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            Revision <a href="/changeset/6401">6401</a>, <span title="54302 bytes">53.0 KB</span>
            (checked in by cdaboo@…, <a class="timeline" href="/timeline?from=2010-10-06T07%3A54%3A17-0700&amp;precision=second" title="2010-10-06T07:54:17-0700 in Timeline">21 months</a> ago)
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Sharing extension specification.<br />
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    <table class="code"><thead><tr><th class="lineno" title="Line numbers">Line</th><th class="content"> </th></tr></thead><tbody><tr><th id="L1"><a href="#L1">1</a></th><td></td></tr><tr><th id="L2"><a href="#L2">2</a></th><td></td></tr><tr><th id="L3"><a href="#L3">3</a></th><td></td></tr><tr><th id="L4"><a href="#L4">4</a></th><td>Calendar Server Extension                                       C. Daboo</td></tr><tr><th id="L5"><a href="#L5">5</a></th><td>                                                                 E. York</td></tr><tr><th id="L6"><a href="#L6">6</a></th><td>                                                              Apple Inc.</td></tr><tr><th id="L7"><a href="#L7">7</a></th><td>                                                         October 6, 2010</td></tr><tr><th id="L8"><a href="#L8">8</a></th><td></td></tr><tr><th id="L9"><a href="#L9">9</a></th><td></td></tr><tr><th id="L10"><a href="#L10">10</a></th><td>                Shared and Published Calendars in CalDAV</td></tr><tr><th id="L11"><a href="#L11">11</a></th><td></td></tr><tr><th id="L12"><a href="#L12">12</a></th><td>Abstract</td></tr><tr><th id="L13"><a href="#L13">13</a></th><td></td></tr><tr><th id="L14"><a href="#L14">14</a></th><td>   This specification defines an extension to CalDAV that enables the</td></tr><tr><th id="L15"><a href="#L15">15</a></th><td>   sharing of calendars between users on a CalDAV server.</td></tr><tr><th id="L16"><a href="#L16">16</a></th><td></td></tr><tr><th id="L17"><a href="#L17">17</a></th><td></td></tr><tr><th id="L18"><a href="#L18">18</a></th><td>Table of Contents</td></tr><tr><th id="L19"><a href="#L19">19</a></th><td></td></tr><tr><th id="L20"><a href="#L20">20</a></th><td>   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3</td></tr><tr><th id="L21"><a href="#L21">21</a></th><td>   2.  Conventions Used in This Document  . . . . . . . . . . . . . .  3</td></tr><tr><th id="L22"><a href="#L22">22</a></th><td>   3.  Overview . . . . . . . . . . . . . . . . . . . . . . . . . . .  4</td></tr><tr><th id="L23"><a href="#L23">23</a></th><td>   4.  Notifications  . . . . . . . . . . . . . . . . . . . . . . . .  5</td></tr><tr><th id="L24"><a href="#L24">24</a></th><td>     4.1.  Additional Principal Properties  . . . . . . . . . . . . .  5</td></tr><tr><th id="L25"><a href="#L25">25</a></th><td>       4.1.1.  CS:notification-URL Property . . . . . . . . . . . . .  6</td></tr><tr><th id="L26"><a href="#L26">26</a></th><td>     4.2.  Properties on Notification Resources . . . . . . . . . . .  6</td></tr><tr><th id="L27"><a href="#L27">27</a></th><td>       4.2.1.  CS:notificationtype Property . . . . . . . . . . . . .  6</td></tr><tr><th id="L28"><a href="#L28">28</a></th><td>   5.  Shared Calendaring . . . . . . . . . . . . . . . . . . . . . .  7</td></tr><tr><th id="L29"><a href="#L29">29</a></th><td>     5.1.  Feature Discovery  . . . . . . . . . . . . . . . . . . . .  7</td></tr><tr><th id="L30"><a href="#L30">30</a></th><td>     5.2.  Additional Properties for Calendars  . . . . . . . . . . .  7</td></tr><tr><th id="L31"><a href="#L31">31</a></th><td>       5.2.1.  DAV:resourcetype Property  . . . . . . . . . . . . . .  7</td></tr><tr><th id="L32"><a href="#L32">32</a></th><td>       5.2.2.  CS:invite Property . . . . . . . . . . . . . . . . . .  8</td></tr><tr><th id="L33"><a href="#L33">33</a></th><td>       5.2.3.  CS:allowed-sharing-modes Property  . . . . . . . . . .  8</td></tr><tr><th id="L34"><a href="#L34">34</a></th><td>       5.2.4.  CS:shared-url Property . . . . . . . . . . . . . . . .  9</td></tr><tr><th id="L35"><a href="#L35">35</a></th><td>     5.3.  Sharer Actions on Shared Calendars . . . . . . . . . . . .  9</td></tr><tr><th id="L36"><a href="#L36">36</a></th><td>       5.3.1.  Creating a Shared Calendar . . . . . . . . . . . . . .  9</td></tr><tr><th id="L37"><a href="#L37">37</a></th><td>         5.3.1.1.  Example: Successful MKCALENDAR Request . . . . . . 10</td></tr><tr><th id="L38"><a href="#L38">38</a></th><td>         5.3.1.2.  Example: Successful Extended MKCOL Request . . . . 10</td></tr><tr><th id="L39"><a href="#L39">39</a></th><td>       5.3.2.  Sharing an Existing Calendar . . . . . . . . . . . . . 11</td></tr><tr><th id="L40"><a href="#L40">40</a></th><td>         5.3.2.1.  Example: Successful PROPPATCH Request  . . . . . . 11</td></tr><tr><th id="L41"><a href="#L41">41</a></th><td>       5.3.3.  Manipulating Sharees of a Shared Calendar  . . . . . . 12</td></tr><tr><th id="L42"><a href="#L42">42</a></th><td>         5.3.3.1.  Example: Successful Sharee Add Request . . . . . . 13</td></tr><tr><th id="L43"><a href="#L43">43</a></th><td>         5.3.3.2.  Example: Successful Multiple Sharee Change</td></tr><tr><th id="L44"><a href="#L44">44</a></th><td>                   Request  . . . . . . . . . . . . . . . . . . . . . 14</td></tr><tr><th id="L45"><a href="#L45">45</a></th><td>     5.4.  Sharee Actions on Shared Calendars . . . . . . . . . . . . 15</td></tr><tr><th id="L46"><a href="#L46">46</a></th><td>       5.4.1.  Replying to a Sharing Invite . . . . . . . . . . . . . 15</td></tr><tr><th id="L47"><a href="#L47">47</a></th><td>       5.4.2.  Removing a Shared Calendar . . . . . . . . . . . . . . 16</td></tr><tr><th id="L48"><a href="#L48">48</a></th><td>     5.5.  General Considerations . . . . . . . . . . . . . . . . . . 16</td></tr><tr><th id="L49"><a href="#L49">49</a></th><td>       5.5.1.  Access Levels  . . . . . . . . . . . . . . . . . . . . 16</td></tr><tr><th id="L50"><a href="#L50">50</a></th><td>       5.5.2.  Allowing or Disallowing Sharing  . . . . . . . . . . . 16</td></tr><tr><th id="L51"><a href="#L51">51</a></th><td>       5.5.3.  Per-user WebDAV Properties . . . . . . . . . . . . . . 17</td></tr><tr><th id="L52"><a href="#L52">52</a></th><td></td></tr><tr><th id="L53"><a href="#L53">53</a></th><td></td></tr><tr><th id="L54"><a href="#L54">54</a></th><td></td></tr><tr><th id="L55"><a href="#L55">55</a></th><td>Daboo &amp; York                                                    [Page 1]</td></tr><tr><th id="L56"><a href="#L56">56</a></th><td></td></tr><tr><th id="L57"><a href="#L57">57</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L58"><a href="#L58">58</a></th><td></td></tr><tr><th id="L59"><a href="#L59">59</a></th><td></td></tr><tr><th id="L60"><a href="#L60">60</a></th><td>       5.5.4.  Per-user Calendar Data . . . . . . . . . . . . . . . . 17</td></tr><tr><th id="L61"><a href="#L61">61</a></th><td>       5.5.5.  Scheduling . . . . . . . . . . . . . . . . . . . . . . 18</td></tr><tr><th id="L62"><a href="#L62">62</a></th><td>   6.  XML Element Definitions  . . . . . . . . . . . . . . . . . . . 19</td></tr><tr><th id="L63"><a href="#L63">63</a></th><td>     6.1.  CS:shared-owner  . . . . . . . . . . . . . . . . . . . . . 19</td></tr><tr><th id="L64"><a href="#L64">64</a></th><td>     6.2.  CS:shared  . . . . . . . . . . . . . . . . . . . . . . . . 20</td></tr><tr><th id="L65"><a href="#L65">65</a></th><td>     6.3.  CS:can-be-shared . . . . . . . . . . . . . . . . . . . . . 20</td></tr><tr><th id="L66"><a href="#L66">66</a></th><td>     6.4.  CS:can-be-published  . . . . . . . . . . . . . . . . . . . 21</td></tr><tr><th id="L67"><a href="#L67">67</a></th><td>     6.5.  CS:user  . . . . . . . . . . . . . . . . . . . . . . . . . 21</td></tr><tr><th id="L68"><a href="#L68">68</a></th><td>     6.6.  CS:invite-noresponse . . . . . . . . . . . . . . . . . . . 21</td></tr><tr><th id="L69"><a href="#L69">69</a></th><td>     6.7.  CS:invite-deleted  . . . . . . . . . . . . . . . . . . . . 22</td></tr><tr><th id="L70"><a href="#L70">70</a></th><td>     6.8.  CS:invite-accepted . . . . . . . . . . . . . . . . . . . . 22</td></tr><tr><th id="L71"><a href="#L71">71</a></th><td>     6.9.  CS:invite-declined . . . . . . . . . . . . . . . . . . . . 22</td></tr><tr><th id="L72"><a href="#L72">72</a></th><td>     6.10. CS:invite-invalid  . . . . . . . . . . . . . . . . . . . . 23</td></tr><tr><th id="L73"><a href="#L73">73</a></th><td>     6.11. CS:access  . . . . . . . . . . . . . . . . . . . . . . . . 23</td></tr><tr><th id="L74"><a href="#L74">74</a></th><td>     6.12. CS:read  . . . . . . . . . . . . . . . . . . . . . . . . . 24</td></tr><tr><th id="L75"><a href="#L75">75</a></th><td>     6.13. CS:read-write  . . . . . . . . . . . . . . . . . . . . . . 24</td></tr><tr><th id="L76"><a href="#L76">76</a></th><td>     6.14. CS:summary . . . . . . . . . . . . . . . . . . . . . . . . 24</td></tr><tr><th id="L77"><a href="#L77">77</a></th><td>     6.15. CS:invite-notification . . . . . . . . . . . . . . . . . . 25</td></tr><tr><th id="L78"><a href="#L78">78</a></th><td>     6.16. CS:uid . . . . . . . . . . . . . . . . . . . . . . . . . . 25</td></tr><tr><th id="L79"><a href="#L79">79</a></th><td>     6.17. CS:hosturl . . . . . . . . . . . . . . . . . . . . . . . . 25</td></tr><tr><th id="L80"><a href="#L80">80</a></th><td>     6.18. CS:organizer . . . . . . . . . . . . . . . . . . . . . . . 26</td></tr><tr><th id="L81"><a href="#L81">81</a></th><td>     6.19. CS:common-name . . . . . . . . . . . . . . . . . . . . . . 26</td></tr><tr><th id="L82"><a href="#L82">82</a></th><td>     6.20. CS:invite-reply  . . . . . . . . . . . . . . . . . . . . . 26</td></tr><tr><th id="L83"><a href="#L83">83</a></th><td>     6.21. CS:in-reply-to . . . . . . . . . . . . . . . . . . . . . . 27</td></tr><tr><th id="L84"><a href="#L84">84</a></th><td>     6.22. CS:notification  . . . . . . . . . . . . . . . . . . . . . 27</td></tr><tr><th id="L85"><a href="#L85">85</a></th><td>     6.23. CS:dtstamp . . . . . . . . . . . . . . . . . . . . . . . . 28</td></tr><tr><th id="L86"><a href="#L86">86</a></th><td>     6.24. CS:share . . . . . . . . . . . . . . . . . . . . . . . . . 28</td></tr><tr><th id="L87"><a href="#L87">87</a></th><td>     6.25. CS:set . . . . . . . . . . . . . . . . . . . . . . . . . . 28</td></tr><tr><th id="L88"><a href="#L88">88</a></th><td>     6.26. CS:remove  . . . . . . . . . . . . . . . . . . . . . . . . 29</td></tr><tr><th id="L89"><a href="#L89">89</a></th><td>     6.27. CS:shared-as . . . . . . . . . . . . . . . . . . . . . . . 29</td></tr><tr><th id="L90"><a href="#L90">90</a></th><td>   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 29</td></tr><tr><th id="L91"><a href="#L91">91</a></th><td>   8.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 29</td></tr><tr><th id="L92"><a href="#L92">92</a></th><td>   9.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 30</td></tr><tr><th id="L93"><a href="#L93">93</a></th><td>   10. Normative References . . . . . . . . . . . . . . . . . . . . . 30</td></tr><tr><th id="L94"><a href="#L94">94</a></th><td>   Appendix A.  Change History  . . . . . . . . . . . . . . . . . . . 30</td></tr><tr><th id="L95"><a href="#L95">95</a></th><td>   Appendix B.  Change History  . . . . . . . . . . . . . . . . . . . 30</td></tr><tr><th id="L96"><a href="#L96">96</a></th><td>   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 31</td></tr><tr><th id="L97"><a href="#L97">97</a></th><td></td></tr><tr><th id="L98"><a href="#L98">98</a></th><td></td></tr><tr><th id="L99"><a href="#L99">99</a></th><td></td></tr><tr><th id="L100"><a href="#L100">100</a></th><td></td></tr><tr><th id="L101"><a href="#L101">101</a></th><td></td></tr><tr><th id="L102"><a href="#L102">102</a></th><td></td></tr><tr><th id="L103"><a href="#L103">103</a></th><td></td></tr><tr><th id="L104"><a href="#L104">104</a></th><td></td></tr><tr><th id="L105"><a href="#L105">105</a></th><td></td></tr><tr><th id="L106"><a href="#L106">106</a></th><td></td></tr><tr><th id="L107"><a href="#L107">107</a></th><td></td></tr><tr><th id="L108"><a href="#L108">108</a></th><td></td></tr><tr><th id="L109"><a href="#L109">109</a></th><td></td></tr><tr><th id="L110"><a href="#L110">110</a></th><td></td></tr><tr><th id="L111"><a href="#L111">111</a></th><td>Daboo &amp; York                                                    [Page 2]</td></tr><tr><th id="L112"><a href="#L112">112</a></th><td></td></tr><tr><th id="L113"><a href="#L113">113</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L114"><a href="#L114">114</a></th><td></td></tr><tr><th id="L115"><a href="#L115">115</a></th><td></td></tr><tr><th id="L116"><a href="#L116">116</a></th><td>1.  Introduction</td></tr><tr><th id="L117"><a href="#L117">117</a></th><td></td></tr><tr><th id="L118"><a href="#L118">118</a></th><td>   CalDAV [RFC4791] provides a way for calendar users to store calendar</td></tr><tr><th id="L119"><a href="#L119">119</a></th><td>   data and exchange this data via scheduling operations.  Based on the</td></tr><tr><th id="L120"><a href="#L120">120</a></th><td>   WebDAV [RFC4918] protocol, it also includes the ability to manage</td></tr><tr><th id="L121"><a href="#L121">121</a></th><td>   access to calendar data via the WebDAV ACL [RFC3744] extension.</td></tr><tr><th id="L122"><a href="#L122">122</a></th><td></td></tr><tr><th id="L123"><a href="#L123">123</a></th><td>   WebDAV ACL [RFC3744] provides a way to manage fine-grained access</td></tr><tr><th id="L124"><a href="#L124">124</a></th><td>   controls on WebDAV resources.  Whilst this could be used directly to</td></tr><tr><th id="L125"><a href="#L125">125</a></th><td>   manage sharing of calendars, experience has shown that client</td></tr><tr><th id="L126"><a href="#L126">126</a></th><td>   developers are averse to using it due to its complexity.  Instead a</td></tr><tr><th id="L127"><a href="#L127">127</a></th><td>   simpler process for sharing calendars is preferred.</td></tr><tr><th id="L128"><a href="#L128">128</a></th><td></td></tr><tr><th id="L129"><a href="#L129">129</a></th><td>   This extension defines a way for individual calendar users to share</td></tr><tr><th id="L130"><a href="#L130">130</a></th><td>   calendars with other users.  This is done via an "opt-in" process in</td></tr><tr><th id="L131"><a href="#L131">131</a></th><td>   which a sharing invite is sent from the sharer to a sharee, allowing</td></tr><tr><th id="L132"><a href="#L132">132</a></th><td>   the sharee to accept or decline.  If the sharee accepts the sharing</td></tr><tr><th id="L133"><a href="#L133">133</a></th><td>   invite, the shared calendar is made available to them in their own</td></tr><tr><th id="L134"><a href="#L134">134</a></th><td>   calendar home collection (i.e., alongside their own personal</td></tr><tr><th id="L135"><a href="#L135">135</a></th><td>   calendars).  HTTP POST operations are used to manage the sharing</td></tr><tr><th id="L136"><a href="#L136">136</a></th><td>   invitations and replies, and WebDAV properties are used to expose the</td></tr><tr><th id="L137"><a href="#L137">137</a></th><td>   state of shared calendars.</td></tr><tr><th id="L138"><a href="#L138">138</a></th><td></td></tr><tr><th id="L139"><a href="#L139">139</a></th><td></td></tr><tr><th id="L140"><a href="#L140">140</a></th><td>2.  Conventions Used in This Document</td></tr><tr><th id="L141"><a href="#L141">141</a></th><td></td></tr><tr><th id="L142"><a href="#L142">142</a></th><td>   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",</td></tr><tr><th id="L143"><a href="#L143">143</a></th><td>   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this</td></tr><tr><th id="L144"><a href="#L144">144</a></th><td>   document are to be interpreted as described in [RFC2119].</td></tr><tr><th id="L145"><a href="#L145">145</a></th><td></td></tr><tr><th id="L146"><a href="#L146">146</a></th><td>   When XML element types in the namespaces "DAV:" and</td></tr><tr><th id="L147"><a href="#L147">147</a></th><td>   "urn:ietf:params:xml:ns:caldav" are referenced in this document</td></tr><tr><th id="L148"><a href="#L148">148</a></th><td>   outside of the context of an XML fragment, the string "DAV:" and</td></tr><tr><th id="L149"><a href="#L149">149</a></th><td>   "CALDAV:" will be prefixed to the element type names respectively.</td></tr><tr><th id="L150"><a href="#L150">150</a></th><td></td></tr><tr><th id="L151"><a href="#L151">151</a></th><td>   The namespace "http://calendarserver.org/ns/" is used for XML</td></tr><tr><th id="L152"><a href="#L152">152</a></th><td>   elements defined in this specification.  When XML element types in</td></tr><tr><th id="L153"><a href="#L153">153</a></th><td>   that namespace are referenced in this document outside of the context</td></tr><tr><th id="L154"><a href="#L154">154</a></th><td>   of an XML fragment, the string "CS:" will be prefixed to the element</td></tr><tr><th id="L155"><a href="#L155">155</a></th><td>   type names.</td></tr><tr><th id="L156"><a href="#L156">156</a></th><td></td></tr><tr><th id="L157"><a href="#L157">157</a></th><td>   Terms Used:</td></tr><tr><th id="L158"><a href="#L158">158</a></th><td></td></tr><tr><th id="L159"><a href="#L159">159</a></th><td>   Sharer  A calendar user who is sharing a calendar with other calendar</td></tr><tr><th id="L160"><a href="#L160">160</a></th><td>      users.</td></tr><tr><th id="L161"><a href="#L161">161</a></th><td></td></tr><tr><th id="L162"><a href="#L162">162</a></th><td></td></tr><tr><th id="L163"><a href="#L163">163</a></th><td></td></tr><tr><th id="L164"><a href="#L164">164</a></th><td></td></tr><tr><th id="L165"><a href="#L165">165</a></th><td></td></tr><tr><th id="L166"><a href="#L166">166</a></th><td></td></tr><tr><th id="L167"><a href="#L167">167</a></th><td>Daboo &amp; York                                                    [Page 3]</td></tr><tr><th id="L168"><a href="#L168">168</a></th><td></td></tr><tr><th id="L169"><a href="#L169">169</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L170"><a href="#L170">170</a></th><td></td></tr><tr><th id="L171"><a href="#L171">171</a></th><td></td></tr><tr><th id="L172"><a href="#L172">172</a></th><td>   Sharee  A calendar user to whom a calendar has been shared.</td></tr><tr><th id="L173"><a href="#L173">173</a></th><td></td></tr><tr><th id="L174"><a href="#L174">174</a></th><td>   Sharing Invite  A message sent by a sharer to a sharee to indicate</td></tr><tr><th id="L175"><a href="#L175">175</a></th><td>      the status of a shared calendar.</td></tr><tr><th id="L176"><a href="#L176">176</a></th><td></td></tr><tr><th id="L177"><a href="#L177">177</a></th><td>   Sharing Reply  A message sent by a sharee to a sharer to indicate the</td></tr><tr><th id="L178"><a href="#L178">178</a></th><td>      status of a shared calendar.</td></tr><tr><th id="L179"><a href="#L179">179</a></th><td></td></tr><tr><th id="L180"><a href="#L180">180</a></th><td></td></tr><tr><th id="L181"><a href="#L181">181</a></th><td>3.  Overview</td></tr><tr><th id="L182"><a href="#L182">182</a></th><td></td></tr><tr><th id="L183"><a href="#L183">183</a></th><td>   This section provides a basic overview of this protocol by way of a</td></tr><tr><th id="L184"><a href="#L184">184</a></th><td>   simple use case of a sharer sharing a calendar with a single sharee.</td></tr><tr><th id="L185"><a href="#L185">185</a></th><td></td></tr><tr><th id="L186"><a href="#L186">186</a></th><td>   To share a calendar with another user, the sharer's client executes</td></tr><tr><th id="L187"><a href="#L187">187</a></th><td>   an HTTP POST request against the calendar collection resource for the</td></tr><tr><th id="L188"><a href="#L188">188</a></th><td>   calendar to be shared.  The POST request body will contain details of</td></tr><tr><th id="L189"><a href="#L189">189</a></th><td>   the calendar user to whom the calendar is to be shared as well as the</td></tr><tr><th id="L190"><a href="#L190">190</a></th><td>   access right to be granted to them.  If the request succeeds, a</td></tr><tr><th id="L191"><a href="#L191">191</a></th><td>   notification is sent to the sharee with details of the calendar being</td></tr><tr><th id="L192"><a href="#L192">192</a></th><td>   shared to them.</td></tr><tr><th id="L193"><a href="#L193">193</a></th><td></td></tr><tr><th id="L194"><a href="#L194">194</a></th><td>   The sharer's client will show the notification to the sharee and</td></tr><tr><th id="L195"><a href="#L195">195</a></th><td>   present them with the choice to accept or decline the invitation to</td></tr><tr><th id="L196"><a href="#L196">196</a></th><td>   the shared calendar.  If the sharee chooses to decline, then nothing</td></tr><tr><th id="L197"><a href="#L197">197</a></th><td>   changes for that sharee.  If the sharee chooses to accept, then the</td></tr><tr><th id="L198"><a href="#L198">198</a></th><td>   server automatically creates a new calendar collection resource in</td></tr><tr><th id="L199"><a href="#L199">199</a></th><td>   the sharee's calendar home collection, and ensures that calendar</td></tr><tr><th id="L200"><a href="#L200">200</a></th><td>   provides a mapping to the actual shared calendar of the sharer.  Thus</td></tr><tr><th id="L201"><a href="#L201">201</a></th><td>   the shared calendar is available to the sharee as just another</td></tr><tr><th id="L202"><a href="#L202">202</a></th><td>   calendar in their calendar home.  The server enforces the appropriare</td></tr><tr><th id="L203"><a href="#L203">203</a></th><td>   access privileges for the sharee.</td></tr><tr><th id="L204"><a href="#L204">204</a></th><td></td></tr><tr><th id="L205"><a href="#L205">205</a></th><td>   At any time, the sharer can inspect properties on the calendar</td></tr><tr><th id="L206"><a href="#L206">206</a></th><td>   collection being shared, and determine the accept/decline status of</td></tr><tr><th id="L207"><a href="#L207">207</a></th><td>   each sharee.  Additional sharees can be added and existing ones</td></tr><tr><th id="L208"><a href="#L208">208</a></th><td>   removed.  The access privileges for existing sharees can also be</td></tr><tr><th id="L209"><a href="#L209">209</a></th><td>   changed.</td></tr><tr><th id="L210"><a href="#L210">210</a></th><td></td></tr><tr><th id="L211"><a href="#L211">211</a></th><td>   Once a sharee has a shared calendar set to appear in their calendar</td></tr><tr><th id="L212"><a href="#L212">212</a></th><td>   home collection, they can remove it and decline the sharing invite by</td></tr><tr><th id="L213"><a href="#L213">213</a></th><td>   simply having their client issue an HTTP DELETE request on the shared</td></tr><tr><th id="L214"><a href="#L214">214</a></th><td>   calendar collection.  That does not delete any calendar data, but</td></tr><tr><th id="L215"><a href="#L215">215</a></th><td>   rather simply removes the "link" to the sharer's calendar collection</td></tr><tr><th id="L216"><a href="#L216">216</a></th><td>   and sets the sharee's inviate status to declined.</td></tr><tr><th id="L217"><a href="#L217">217</a></th><td></td></tr><tr><th id="L218"><a href="#L218">218</a></th><td></td></tr><tr><th id="L219"><a href="#L219">219</a></th><td></td></tr><tr><th id="L220"><a href="#L220">220</a></th><td></td></tr><tr><th id="L221"><a href="#L221">221</a></th><td></td></tr><tr><th id="L222"><a href="#L222">222</a></th><td></td></tr><tr><th id="L223"><a href="#L223">223</a></th><td>Daboo &amp; York                                                    [Page 4]</td></tr><tr><th id="L224"><a href="#L224">224</a></th><td></td></tr><tr><th id="L225"><a href="#L225">225</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L226"><a href="#L226">226</a></th><td></td></tr><tr><th id="L227"><a href="#L227">227</a></th><td></td></tr><tr><th id="L228"><a href="#L228">228</a></th><td>4.  Notifications</td></tr><tr><th id="L229"><a href="#L229">229</a></th><td></td></tr><tr><th id="L230"><a href="#L230">230</a></th><td>   In order to facilitate the process of sharing invitations, this</td></tr><tr><th id="L231"><a href="#L231">231</a></th><td>   specification defines a new generic notification mechanism for CalDAV</td></tr><tr><th id="L232"><a href="#L232">232</a></th><td>   servers.  When this feature is available, a CS:notification-URL</td></tr><tr><th id="L233"><a href="#L233">233</a></th><td>   (Section 4.1.1) property appears on principal resources for those</td></tr><tr><th id="L234"><a href="#L234">234</a></th><td>   principals who are able to receive notifications.  That property</td></tr><tr><th id="L235"><a href="#L235">235</a></th><td>   specifies a single DAV:href element whose content refers to a WebDAV</td></tr><tr><th id="L236"><a href="#L236">236</a></th><td>   collection resource.  Notification "messages" are deposited into this</td></tr><tr><th id="L237"><a href="#L237">237</a></th><td>   collection and can be retrieved by clients and acted on accordingly.</td></tr><tr><th id="L238"><a href="#L238">238</a></th><td></td></tr><tr><th id="L239"><a href="#L239">239</a></th><td>   The notification collection referenced by the CS:notification-URL</td></tr><tr><th id="L240"><a href="#L240">240</a></th><td>   (Section 4.1.1) property MUST have a DAV:resourcetype property with</td></tr><tr><th id="L241"><a href="#L241">241</a></th><td>   DAV:collection and CS:notification (Section 6.22) child elements.</td></tr><tr><th id="L242"><a href="#L242">242</a></th><td></td></tr><tr><th id="L243"><a href="#L243">243</a></th><td>   Notification "messages" are XML documents stored as resources in the</td></tr><tr><th id="L244"><a href="#L244">244</a></th><td>   notification collection.  Each XML document contains a CS:</td></tr><tr><th id="L245"><a href="#L245">245</a></th><td>   notification (Section 6.22) element as its root.  The root element</td></tr><tr><th id="L246"><a href="#L246">246</a></th><td>   contains a CS:dtstamp (Section 6.23) element, and one additional</td></tr><tr><th id="L247"><a href="#L247">247</a></th><td>   element which represents the type of notification being conveyed in</td></tr><tr><th id="L248"><a href="#L248">248</a></th><td>   the message.  That child element will typically contain additional</td></tr><tr><th id="L249"><a href="#L249">249</a></th><td>   content that describes the notification.</td></tr><tr><th id="L250"><a href="#L250">250</a></th><td></td></tr><tr><th id="L251"><a href="#L251">251</a></th><td>   Each notification resource has a CS:notificationtype (Section 4.2.1)</td></tr><tr><th id="L252"><a href="#L252">252</a></th><td>   property which contains as its single child element an empty element</td></tr><tr><th id="L253"><a href="#L253">253</a></th><td>   that matches the child element of the notification resource XML</td></tr><tr><th id="L254"><a href="#L254">254</a></th><td>   document root.  Any attributes on the child element in the XML</td></tr><tr><th id="L255"><a href="#L255">255</a></th><td>   document are also present in the property child element.</td></tr><tr><th id="L256"><a href="#L256">256</a></th><td></td></tr><tr><th id="L257"><a href="#L257">257</a></th><td>   Notifications are automatically generated by the server (perhaps in</td></tr><tr><th id="L258"><a href="#L258">258</a></th><td>   response to a client action) with an appropriate resource stored in</td></tr><tr><th id="L259"><a href="#L259">259</a></th><td>   the notifications collection of the user to whom the notification is</td></tr><tr><th id="L260"><a href="#L260">260</a></th><td>   targeted.  Clients SHOULD monitor the notification collection looking</td></tr><tr><th id="L261"><a href="#L261">261</a></th><td>   for new notification resources.  When doing so, clients SHOULD look</td></tr><tr><th id="L262"><a href="#L262">262</a></th><td>   at the CS:notificationtype (Section 4.2.1) property to ensure that</td></tr><tr><th id="L263"><a href="#L263">263</a></th><td>   the notification is of a type that the client can handle.  Once a</td></tr><tr><th id="L264"><a href="#L264">264</a></th><td>   client has handled the notification in whatever way is appropriate it</td></tr><tr><th id="L265"><a href="#L265">265</a></th><td>   SHOULD delete the notification resource.  Servers MAY delete</td></tr><tr><th id="L266"><a href="#L266">266</a></th><td>   notification resources on their own if they determine that the</td></tr><tr><th id="L267"><a href="#L267">267</a></th><td>   notifications are no longer relevant or valid.  Servers MAY coalesce</td></tr><tr><th id="L268"><a href="#L268">268</a></th><td>   notifications as appropriate.</td></tr><tr><th id="L269"><a href="#L269">269</a></th><td></td></tr><tr><th id="L270"><a href="#L270">270</a></th><td>4.1.  Additional Principal Properties</td></tr><tr><th id="L271"><a href="#L271">271</a></th><td></td></tr><tr><th id="L272"><a href="#L272">272</a></th><td>   This section defines new properties for WebDAV principal resources as</td></tr><tr><th id="L273"><a href="#L273">273</a></th><td>   defined in RFC3744 [RFC3744].  These properties are likely to be</td></tr><tr><th id="L274"><a href="#L274">274</a></th><td>   protected but the server MAY allow them to be written by appropriate</td></tr><tr><th id="L275"><a href="#L275">275</a></th><td>   users.</td></tr><tr><th id="L276"><a href="#L276">276</a></th><td></td></tr><tr><th id="L277"><a href="#L277">277</a></th><td></td></tr><tr><th id="L278"><a href="#L278">278</a></th><td></td></tr><tr><th id="L279"><a href="#L279">279</a></th><td>Daboo &amp; York                                                    [Page 5]</td></tr><tr><th id="L280"><a href="#L280">280</a></th><td></td></tr><tr><th id="L281"><a href="#L281">281</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L282"><a href="#L282">282</a></th><td></td></tr><tr><th id="L283"><a href="#L283">283</a></th><td></td></tr><tr><th id="L284"><a href="#L284">284</a></th><td>4.1.1.  CS:notification-URL Property</td></tr><tr><th id="L285"><a href="#L285">285</a></th><td></td></tr><tr><th id="L286"><a href="#L286">286</a></th><td>   Name:  notification-URL</td></tr><tr><th id="L287"><a href="#L287">287</a></th><td></td></tr><tr><th id="L288"><a href="#L288">288</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L289"><a href="#L289">289</a></th><td></td></tr><tr><th id="L290"><a href="#L290">290</a></th><td>   Purpose:  Identify the URL of the notification collection owned by</td></tr><tr><th id="L291"><a href="#L291">291</a></th><td>      the associated principal resource.</td></tr><tr><th id="L292"><a href="#L292">292</a></th><td></td></tr><tr><th id="L293"><a href="#L293">293</a></th><td>   Protected:  This property SHOULD be protected.</td></tr><tr><th id="L294"><a href="#L294">294</a></th><td></td></tr><tr><th id="L295"><a href="#L295">295</a></th><td>   PROPFIND behavior:  This property SHOULD NOT be returned by a</td></tr><tr><th id="L296"><a href="#L296">296</a></th><td>      PROPFIND allprop request (as defined in Section 14.2 of</td></tr><tr><th id="L297"><a href="#L297">297</a></th><td>      [RFC4918]).</td></tr><tr><th id="L298"><a href="#L298">298</a></th><td></td></tr><tr><th id="L299"><a href="#L299">299</a></th><td>   COPY/MOVE behavior:  This property value SHOULD be preserved in COPY</td></tr><tr><th id="L300"><a href="#L300">300</a></th><td>      and MOVE operations.</td></tr><tr><th id="L301"><a href="#L301">301</a></th><td></td></tr><tr><th id="L302"><a href="#L302">302</a></th><td>   Description:  This property is needed for a client to determine where</td></tr><tr><th id="L303"><a href="#L303">303</a></th><td>      the notification collection of the current user is located so that</td></tr><tr><th id="L304"><a href="#L304">304</a></th><td>      processing of notification messages can occur.  If not present,</td></tr><tr><th id="L305"><a href="#L305">305</a></th><td>      then the associated calendar user is not enabled for notification</td></tr><tr><th id="L306"><a href="#L306">306</a></th><td>      messages on the server.</td></tr><tr><th id="L307"><a href="#L307">307</a></th><td></td></tr><tr><th id="L308"><a href="#L308">308</a></th><td>   Definition:</td></tr><tr><th id="L309"><a href="#L309">309</a></th><td></td></tr><tr><th id="L310"><a href="#L310">310</a></th><td>   &lt;!ELEMENT notification-URL (DAV:href)&gt;</td></tr><tr><th id="L311"><a href="#L311">311</a></th><td></td></tr><tr><th id="L312"><a href="#L312">312</a></th><td>4.2.  Properties on Notification Resources</td></tr><tr><th id="L313"><a href="#L313">313</a></th><td></td></tr><tr><th id="L314"><a href="#L314">314</a></th><td>   The following new WebDAV properties are defined for notification</td></tr><tr><th id="L315"><a href="#L315">315</a></th><td>   resources.</td></tr><tr><th id="L316"><a href="#L316">316</a></th><td></td></tr><tr><th id="L317"><a href="#L317">317</a></th><td>4.2.1.  CS:notificationtype Property</td></tr><tr><th id="L318"><a href="#L318">318</a></th><td></td></tr><tr><th id="L319"><a href="#L319">319</a></th><td>   Name:  notificationtype</td></tr><tr><th id="L320"><a href="#L320">320</a></th><td></td></tr><tr><th id="L321"><a href="#L321">321</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L322"><a href="#L322">322</a></th><td></td></tr><tr><th id="L323"><a href="#L323">323</a></th><td>   Purpose:  Identify the type of notification of the corresponding</td></tr><tr><th id="L324"><a href="#L324">324</a></th><td>      resource.</td></tr><tr><th id="L325"><a href="#L325">325</a></th><td></td></tr><tr><th id="L326"><a href="#L326">326</a></th><td>   Protected:  This property MUST be protected.</td></tr><tr><th id="L327"><a href="#L327">327</a></th><td></td></tr><tr><th id="L328"><a href="#L328">328</a></th><td>   PROPFIND behavior:  This property SHOULD NOT be returned by a</td></tr><tr><th id="L329"><a href="#L329">329</a></th><td>      PROPFIND allprop request (as defined in Section 14.2 of</td></tr><tr><th id="L330"><a href="#L330">330</a></th><td>      [RFC4918]).</td></tr><tr><th id="L331"><a href="#L331">331</a></th><td></td></tr><tr><th id="L332"><a href="#L332">332</a></th><td></td></tr><tr><th id="L333"><a href="#L333">333</a></th><td></td></tr><tr><th id="L334"><a href="#L334">334</a></th><td></td></tr><tr><th id="L335"><a href="#L335">335</a></th><td>Daboo &amp; York                                                    [Page 6]</td></tr><tr><th id="L336"><a href="#L336">336</a></th><td></td></tr><tr><th id="L337"><a href="#L337">337</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L338"><a href="#L338">338</a></th><td></td></tr><tr><th id="L339"><a href="#L339">339</a></th><td></td></tr><tr><th id="L340"><a href="#L340">340</a></th><td>   COPY/MOVE behavior:  This property value MUST be preserved in COPY</td></tr><tr><th id="L341"><a href="#L341">341</a></th><td>      and MOVE operations.</td></tr><tr><th id="L342"><a href="#L342">342</a></th><td></td></tr><tr><th id="L343"><a href="#L343">343</a></th><td>   Description:  This property allows a client, via a PROPFIND Depth:1</td></tr><tr><th id="L344"><a href="#L344">344</a></th><td>      request, to quickly find notification messages that the client can</td></tr><tr><th id="L345"><a href="#L345">345</a></th><td>      handle in a notification collection.  The single child element is</td></tr><tr><th id="L346"><a href="#L346">346</a></th><td>      the notification resource root element's child defining the</td></tr><tr><th id="L347"><a href="#L347">347</a></th><td>      notification itself.  This element MUST be empty, though any</td></tr><tr><th id="L348"><a href="#L348">348</a></th><td>      attributes on the element in the notification resource MUST be</td></tr><tr><th id="L349"><a href="#L349">349</a></th><td>      present in the property element.</td></tr><tr><th id="L350"><a href="#L350">350</a></th><td></td></tr><tr><th id="L351"><a href="#L351">351</a></th><td>   Definition:</td></tr><tr><th id="L352"><a href="#L352">352</a></th><td></td></tr><tr><th id="L353"><a href="#L353">353</a></th><td>   &lt;!ELEMENT notificationtype (invite-notification | invite-reply)&gt;</td></tr><tr><th id="L354"><a href="#L354">354</a></th><td>   &lt;!-- Child elements are empty but will have appropriate attributes.</td></tr><tr><th id="L355"><a href="#L355">355</a></th><td>        Any valid notification message child element can appear.--&gt;</td></tr><tr><th id="L356"><a href="#L356">356</a></th><td></td></tr><tr><th id="L357"><a href="#L357">357</a></th><td></td></tr><tr><th id="L358"><a href="#L358">358</a></th><td>5.  Shared Calendaring</td></tr><tr><th id="L359"><a href="#L359">359</a></th><td></td></tr><tr><th id="L360"><a href="#L360">360</a></th><td>5.1.  Feature Discovery</td></tr><tr><th id="L361"><a href="#L361">361</a></th><td></td></tr><tr><th id="L362"><a href="#L362">362</a></th><td>   A server that supports the features described in this document MUST</td></tr><tr><th id="L363"><a href="#L363">363</a></th><td>   include "calendarserver-sharing" as a field in the DAV response</td></tr><tr><th id="L364"><a href="#L364">364</a></th><td>   header from an OPTIONS request on any resource that supports these</td></tr><tr><th id="L365"><a href="#L365">365</a></th><td>   features.</td></tr><tr><th id="L366"><a href="#L366">366</a></th><td></td></tr><tr><th id="L367"><a href="#L367">367</a></th><td>5.2.  Additional Properties for Calendars</td></tr><tr><th id="L368"><a href="#L368">368</a></th><td></td></tr><tr><th id="L369"><a href="#L369">369</a></th><td>   The following new or modified WebDAV properties are defined for</td></tr><tr><th id="L370"><a href="#L370">370</a></th><td>   calendar collections and used to view or manipulate shared calendar</td></tr><tr><th id="L371"><a href="#L371">371</a></th><td>   features.</td></tr><tr><th id="L372"><a href="#L372">372</a></th><td></td></tr><tr><th id="L373"><a href="#L373">373</a></th><td>5.2.1.  DAV:resourcetype Property</td></tr><tr><th id="L374"><a href="#L374">374</a></th><td></td></tr><tr><th id="L375"><a href="#L375">375</a></th><td>   Calendar collections that are shared have addition elements listed in</td></tr><tr><th id="L376"><a href="#L376">376</a></th><td>   their DAV:resourcetype property in addition to DAV:collection and</td></tr><tr><th id="L377"><a href="#L377">377</a></th><td>   CALDAV:calendar.</td></tr><tr><th id="L378"><a href="#L378">378</a></th><td></td></tr><tr><th id="L379"><a href="#L379">379</a></th><td>   o  CS:shared-owner (Section 6.1): used to indicate that the calendar</td></tr><tr><th id="L380"><a href="#L380">380</a></th><td>      is owned by the current user and is being shared by them.</td></tr><tr><th id="L381"><a href="#L381">381</a></th><td></td></tr><tr><th id="L382"><a href="#L382">382</a></th><td>   o  CS:shared (Section 6.2): used to indicate that the calendar is</td></tr><tr><th id="L383"><a href="#L383">383</a></th><td>      owned by another user and is being shared to the current user.</td></tr><tr><th id="L384"><a href="#L384">384</a></th><td></td></tr><tr><th id="L385"><a href="#L385">385</a></th><td></td></tr><tr><th id="L386"><a href="#L386">386</a></th><td></td></tr><tr><th id="L387"><a href="#L387">387</a></th><td></td></tr><tr><th id="L388"><a href="#L388">388</a></th><td></td></tr><tr><th id="L389"><a href="#L389">389</a></th><td></td></tr><tr><th id="L390"><a href="#L390">390</a></th><td></td></tr><tr><th id="L391"><a href="#L391">391</a></th><td>Daboo &amp; York                                                    [Page 7]</td></tr><tr><th id="L392"><a href="#L392">392</a></th><td></td></tr><tr><th id="L393"><a href="#L393">393</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L394"><a href="#L394">394</a></th><td></td></tr><tr><th id="L395"><a href="#L395">395</a></th><td></td></tr><tr><th id="L396"><a href="#L396">396</a></th><td>5.2.2.  CS:invite Property</td></tr><tr><th id="L397"><a href="#L397">397</a></th><td></td></tr><tr><th id="L398"><a href="#L398">398</a></th><td>   Name:  invite</td></tr><tr><th id="L399"><a href="#L399">399</a></th><td></td></tr><tr><th id="L400"><a href="#L400">400</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L401"><a href="#L401">401</a></th><td></td></tr><tr><th id="L402"><a href="#L402">402</a></th><td>   Purpose:  Used to show to whom a calendar has been shared.</td></tr><tr><th id="L403"><a href="#L403">403</a></th><td></td></tr><tr><th id="L404"><a href="#L404">404</a></th><td>   Protected:  This property MUST be protected.</td></tr><tr><th id="L405"><a href="#L405">405</a></th><td></td></tr><tr><th id="L406"><a href="#L406">406</a></th><td>   PROPFIND behavior:  This property SHOULD NOT be returned by a</td></tr><tr><th id="L407"><a href="#L407">407</a></th><td>      PROPFIND allprop request (as defined in Section 14.2 of</td></tr><tr><th id="L408"><a href="#L408">408</a></th><td>      [RFC4918]).</td></tr><tr><th id="L409"><a href="#L409">409</a></th><td></td></tr><tr><th id="L410"><a href="#L410">410</a></th><td>   COPY/MOVE behavior:  This property value MUST be preserved in COPY</td></tr><tr><th id="L411"><a href="#L411">411</a></th><td>      and MOVE operations.</td></tr><tr><th id="L412"><a href="#L412">412</a></th><td></td></tr><tr><th id="L413"><a href="#L413">413</a></th><td>   Description:  This WebDAV property is present on a calendar</td></tr><tr><th id="L414"><a href="#L414">414</a></th><td>      collection resource that has been shared by the owner.  It MUST</td></tr><tr><th id="L415"><a href="#L415">415</a></th><td>      NOT appear on the calendar collection resources of the sharees of</td></tr><tr><th id="L416"><a href="#L416">416</a></th><td>      the calendar.  It provides a list of users to whom the calendar</td></tr><tr><th id="L417"><a href="#L417">417</a></th><td>      has been shared, along with the "status" of the sharing invites</td></tr><tr><th id="L418"><a href="#L418">418</a></th><td>      sent to each user.</td></tr><tr><th id="L419"><a href="#L419">419</a></th><td></td></tr><tr><th id="L420"><a href="#L420">420</a></th><td>   Definition:</td></tr><tr><th id="L421"><a href="#L421">421</a></th><td></td></tr><tr><th id="L422"><a href="#L422">422</a></th><td>   &lt;!ELEMENT invite (user*)&gt;</td></tr><tr><th id="L423"><a href="#L423">423</a></th><td></td></tr><tr><th id="L424"><a href="#L424">424</a></th><td>5.2.3.  CS:allowed-sharing-modes Property</td></tr><tr><th id="L425"><a href="#L425">425</a></th><td></td></tr><tr><th id="L426"><a href="#L426">426</a></th><td>   Name:  allowed-sharing-modes</td></tr><tr><th id="L427"><a href="#L427">427</a></th><td></td></tr><tr><th id="L428"><a href="#L428">428</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L429"><a href="#L429">429</a></th><td></td></tr><tr><th id="L430"><a href="#L430">430</a></th><td>   Purpose:  Used to show which modes of sharing are supported on a</td></tr><tr><th id="L431"><a href="#L431">431</a></th><td>      calendar collection.</td></tr><tr><th id="L432"><a href="#L432">432</a></th><td></td></tr><tr><th id="L433"><a href="#L433">433</a></th><td>   Protected:  This property MUST be protected.</td></tr><tr><th id="L434"><a href="#L434">434</a></th><td></td></tr><tr><th id="L435"><a href="#L435">435</a></th><td>   PROPFIND behavior:  This property SHOULD NOT be returned by a</td></tr><tr><th id="L436"><a href="#L436">436</a></th><td>      PROPFIND allprop request (as defined in Section 14.2 of</td></tr><tr><th id="L437"><a href="#L437">437</a></th><td>      [RFC4918]).</td></tr><tr><th id="L438"><a href="#L438">438</a></th><td></td></tr><tr><th id="L439"><a href="#L439">439</a></th><td>   COPY/MOVE behavior:  This property value MUST be preserved in COPY</td></tr><tr><th id="L440"><a href="#L440">440</a></th><td>      and MOVE operations.</td></tr><tr><th id="L441"><a href="#L441">441</a></th><td></td></tr><tr><th id="L442"><a href="#L442">442</a></th><td></td></tr><tr><th id="L443"><a href="#L443">443</a></th><td></td></tr><tr><th id="L444"><a href="#L444">444</a></th><td></td></tr><tr><th id="L445"><a href="#L445">445</a></th><td></td></tr><tr><th id="L446"><a href="#L446">446</a></th><td></td></tr><tr><th id="L447"><a href="#L447">447</a></th><td>Daboo &amp; York                                                    [Page 8]</td></tr><tr><th id="L448"><a href="#L448">448</a></th><td></td></tr><tr><th id="L449"><a href="#L449">449</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L450"><a href="#L450">450</a></th><td></td></tr><tr><th id="L451"><a href="#L451">451</a></th><td></td></tr><tr><th id="L452"><a href="#L452">452</a></th><td>   Description:  This WebDAV property is present on a calendar</td></tr><tr><th id="L453"><a href="#L453">453</a></th><td>      collection resource that can been shared or published.  It</td></tr><tr><th id="L454"><a href="#L454">454</a></th><td>      provides a list of options indicating what sharing modes are</td></tr><tr><th id="L455"><a href="#L455">455</a></th><td>      allowed as per Section 5.5.2.</td></tr><tr><th id="L456"><a href="#L456">456</a></th><td></td></tr><tr><th id="L457"><a href="#L457">457</a></th><td>   Definition:</td></tr><tr><th id="L458"><a href="#L458">458</a></th><td></td></tr><tr><th id="L459"><a href="#L459">459</a></th><td>   &lt;!ELEMENT allowed-sharing-modes</td></tr><tr><th id="L460"><a href="#L460">460</a></th><td>             (can-be-shared?, can-be-published?)&gt;</td></tr><tr><th id="L461"><a href="#L461">461</a></th><td></td></tr><tr><th id="L462"><a href="#L462">462</a></th><td>5.2.4.  CS:shared-url Property</td></tr><tr><th id="L463"><a href="#L463">463</a></th><td></td></tr><tr><th id="L464"><a href="#L464">464</a></th><td>   Name:  shared-url</td></tr><tr><th id="L465"><a href="#L465">465</a></th><td></td></tr><tr><th id="L466"><a href="#L466">466</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L467"><a href="#L467">467</a></th><td></td></tr><tr><th id="L468"><a href="#L468">468</a></th><td>   Purpose:  Indicates the URL of the owner's copy of a shared calendar.</td></tr><tr><th id="L469"><a href="#L469">469</a></th><td></td></tr><tr><th id="L470"><a href="#L470">470</a></th><td>   Protected:  This property MUST be protected.</td></tr><tr><th id="L471"><a href="#L471">471</a></th><td></td></tr><tr><th id="L472"><a href="#L472">472</a></th><td>   PROPFIND behavior:  This property SHOULD NOT be returned by a</td></tr><tr><th id="L473"><a href="#L473">473</a></th><td>      PROPFIND allprop request (as defined in Section 14.2 of</td></tr><tr><th id="L474"><a href="#L474">474</a></th><td>      [RFC4918]).</td></tr><tr><th id="L475"><a href="#L475">475</a></th><td></td></tr><tr><th id="L476"><a href="#L476">476</a></th><td>   COPY/MOVE behavior:  This property value MUST be preserved in COPY</td></tr><tr><th id="L477"><a href="#L477">477</a></th><td>      and MOVE operations.</td></tr><tr><th id="L478"><a href="#L478">478</a></th><td></td></tr><tr><th id="L479"><a href="#L479">479</a></th><td>   Description:  This WebDAV property is present on a shared calendar</td></tr><tr><th id="L480"><a href="#L480">480</a></th><td>      collection resource that appears in a sharee's calendar home</td></tr><tr><th id="L481"><a href="#L481">481</a></th><td>      collection.  Its content is a single DAV:href element whose value</td></tr><tr><th id="L482"><a href="#L482">482</a></th><td>      is the URL of the sharer's calendar being shared.</td></tr><tr><th id="L483"><a href="#L483">483</a></th><td></td></tr><tr><th id="L484"><a href="#L484">484</a></th><td>   Definition:</td></tr><tr><th id="L485"><a href="#L485">485</a></th><td></td></tr><tr><th id="L486"><a href="#L486">486</a></th><td>   &lt;!ELEMENT shared-url (DAV:href)&gt;</td></tr><tr><th id="L487"><a href="#L487">487</a></th><td></td></tr><tr><th id="L488"><a href="#L488">488</a></th><td>5.3.  Sharer Actions on Shared Calendars</td></tr><tr><th id="L489"><a href="#L489">489</a></th><td></td></tr><tr><th id="L490"><a href="#L490">490</a></th><td>5.3.1.  Creating a Shared Calendar</td></tr><tr><th id="L491"><a href="#L491">491</a></th><td></td></tr><tr><th id="L492"><a href="#L492">492</a></th><td>   To create a shared calendar, clients use the MKCALENDAR [RFC4791] or</td></tr><tr><th id="L493"><a href="#L493">493</a></th><td>   extended MKCOL [RFC5689] requests, and include a DAV:resourcetype</td></tr><tr><th id="L494"><a href="#L494">494</a></th><td>   property to be set upon creation.  That property MUST contain DAV:</td></tr><tr><th id="L495"><a href="#L495">495</a></th><td>   collection, CALDAV:calendar and CS:shared-owner child elements to</td></tr><tr><th id="L496"><a href="#L496">496</a></th><td>   enable sharing.</td></tr><tr><th id="L497"><a href="#L497">497</a></th><td></td></tr><tr><th id="L498"><a href="#L498">498</a></th><td></td></tr><tr><th id="L499"><a href="#L499">499</a></th><td></td></tr><tr><th id="L500"><a href="#L500">500</a></th><td></td></tr><tr><th id="L501"><a href="#L501">501</a></th><td></td></tr><tr><th id="L502"><a href="#L502">502</a></th><td></td></tr><tr><th id="L503"><a href="#L503">503</a></th><td>Daboo &amp; York                                                    [Page 9]</td></tr><tr><th id="L504"><a href="#L504">504</a></th><td></td></tr><tr><th id="L505"><a href="#L505">505</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L506"><a href="#L506">506</a></th><td></td></tr><tr><th id="L507"><a href="#L507">507</a></th><td></td></tr><tr><th id="L508"><a href="#L508">508</a></th><td>5.3.1.1.  Example: Successful MKCALENDAR Request</td></tr><tr><th id="L509"><a href="#L509">509</a></th><td></td></tr><tr><th id="L510"><a href="#L510">510</a></th><td>   This example shows how the MKCALENDAR request is used to create a</td></tr><tr><th id="L511"><a href="#L511">511</a></th><td>   shared calendar collection.  The response body is empty as the</td></tr><tr><th id="L512"><a href="#L512">512</a></th><td>   request completed successfully.</td></tr><tr><th id="L513"><a href="#L513">513</a></th><td></td></tr><tr><th id="L514"><a href="#L514">514</a></th><td>   &gt;&gt; Request &lt;&lt;</td></tr><tr><th id="L515"><a href="#L515">515</a></th><td></td></tr><tr><th id="L516"><a href="#L516">516</a></th><td>   MKCALENDAR /calendars/users/cyrus/shared/ HTTP/1.1</td></tr><tr><th id="L517"><a href="#L517">517</a></th><td>   Host: calendar.example.com</td></tr><tr><th id="L518"><a href="#L518">518</a></th><td>   Content-Type: application/xml; charset="utf-8"</td></tr><tr><th id="L519"><a href="#L519">519</a></th><td>   Content-Length: xxxx</td></tr><tr><th id="L520"><a href="#L520">520</a></th><td></td></tr><tr><th id="L521"><a href="#L521">521</a></th><td>   &lt;?xml version="1.0" encoding="utf-8" ?&gt;</td></tr><tr><th id="L522"><a href="#L522">522</a></th><td>   &lt;C:mkcalendar xmlns:D="DAV:"</td></tr><tr><th id="L523"><a href="#L523">523</a></th><td>                 xmlns:C="urn:ietf:params:xml:ns:caldav"</td></tr><tr><th id="L524"><a href="#L524">524</a></th><td>                 xmlns:CS="http://calendarserver.org/ns/"&gt;</td></tr><tr><th id="L525"><a href="#L525">525</a></th><td>     &lt;D:set&gt;</td></tr><tr><th id="L526"><a href="#L526">526</a></th><td>       &lt;D:prop&gt;</td></tr><tr><th id="L527"><a href="#L527">527</a></th><td>         &lt;D:resourcetype&gt;</td></tr><tr><th id="L528"><a href="#L528">528</a></th><td>           &lt;D:collection/&gt;</td></tr><tr><th id="L529"><a href="#L529">529</a></th><td>           &lt;C:calendar/&gt;</td></tr><tr><th id="L530"><a href="#L530">530</a></th><td>           &lt;CS:shared-owner/&gt;</td></tr><tr><th id="L531"><a href="#L531">531</a></th><td>         &lt;/D:resourcetype&gt;</td></tr><tr><th id="L532"><a href="#L532">532</a></th><td>       &lt;/D:prop&gt;</td></tr><tr><th id="L533"><a href="#L533">533</a></th><td>     &lt;/D:set&gt;</td></tr><tr><th id="L534"><a href="#L534">534</a></th><td>   &lt;/C:mkcalendar&gt;</td></tr><tr><th id="L535"><a href="#L535">535</a></th><td></td></tr><tr><th id="L536"><a href="#L536">536</a></th><td>   &gt;&gt; Response &lt;&lt;</td></tr><tr><th id="L537"><a href="#L537">537</a></th><td></td></tr><tr><th id="L538"><a href="#L538">538</a></th><td>   HTTP/1.1 201 Created</td></tr><tr><th id="L539"><a href="#L539">539</a></th><td>   Cache-Control: no-cache</td></tr><tr><th id="L540"><a href="#L540">540</a></th><td>   Date: Sat, 11 Nov 2006 09:32:12 GMT</td></tr><tr><th id="L541"><a href="#L541">541</a></th><td></td></tr><tr><th id="L542"><a href="#L542">542</a></th><td>5.3.1.2.  Example: Successful Extended MKCOL Request</td></tr><tr><th id="L543"><a href="#L543">543</a></th><td></td></tr><tr><th id="L544"><a href="#L544">544</a></th><td>   This example shows how the extended MKCOL request is used to create a</td></tr><tr><th id="L545"><a href="#L545">545</a></th><td>   shared calendar collection.  The response body is empty as the</td></tr><tr><th id="L546"><a href="#L546">546</a></th><td>   request completed successfully.</td></tr><tr><th id="L547"><a href="#L547">547</a></th><td></td></tr><tr><th id="L548"><a href="#L548">548</a></th><td></td></tr><tr><th id="L549"><a href="#L549">549</a></th><td></td></tr><tr><th id="L550"><a href="#L550">550</a></th><td></td></tr><tr><th id="L551"><a href="#L551">551</a></th><td></td></tr><tr><th id="L552"><a href="#L552">552</a></th><td></td></tr><tr><th id="L553"><a href="#L553">553</a></th><td></td></tr><tr><th id="L554"><a href="#L554">554</a></th><td></td></tr><tr><th id="L555"><a href="#L555">555</a></th><td></td></tr><tr><th id="L556"><a href="#L556">556</a></th><td></td></tr><tr><th id="L557"><a href="#L557">557</a></th><td></td></tr><tr><th id="L558"><a href="#L558">558</a></th><td></td></tr><tr><th id="L559"><a href="#L559">559</a></th><td>Daboo &amp; York                                                   [Page 10]</td></tr><tr><th id="L560"><a href="#L560">560</a></th><td></td></tr><tr><th id="L561"><a href="#L561">561</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L562"><a href="#L562">562</a></th><td></td></tr><tr><th id="L563"><a href="#L563">563</a></th><td></td></tr><tr><th id="L564"><a href="#L564">564</a></th><td>   &gt;&gt; Request &lt;&lt;</td></tr><tr><th id="L565"><a href="#L565">565</a></th><td></td></tr><tr><th id="L566"><a href="#L566">566</a></th><td>   MKCOL /calendars/users/cyrus/shared/ HTTP/1.1</td></tr><tr><th id="L567"><a href="#L567">567</a></th><td>   Host: calendar.example.com</td></tr><tr><th id="L568"><a href="#L568">568</a></th><td>   Content-Type: application/xml; charset="utf-8"</td></tr><tr><th id="L569"><a href="#L569">569</a></th><td>   Content-Length: xxxx</td></tr><tr><th id="L570"><a href="#L570">570</a></th><td></td></tr><tr><th id="L571"><a href="#L571">571</a></th><td>   &lt;?xml version="1.0" encoding="utf-8" ?&gt;</td></tr><tr><th id="L572"><a href="#L572">572</a></th><td>   &lt;D:mkcol xmlns:D="DAV:"</td></tr><tr><th id="L573"><a href="#L573">573</a></th><td>                 xmlns:C="urn:ietf:params:xml:ns:caldav"</td></tr><tr><th id="L574"><a href="#L574">574</a></th><td>                 xmlns:CS="http://calendarserver.org/ns/"&gt;</td></tr><tr><th id="L575"><a href="#L575">575</a></th><td>     &lt;D:set&gt;</td></tr><tr><th id="L576"><a href="#L576">576</a></th><td>       &lt;D:prop&gt;</td></tr><tr><th id="L577"><a href="#L577">577</a></th><td>         &lt;D:resourcetype&gt;</td></tr><tr><th id="L578"><a href="#L578">578</a></th><td>           &lt;D:collection/&gt;</td></tr><tr><th id="L579"><a href="#L579">579</a></th><td>           &lt;C:calendar/&gt;</td></tr><tr><th id="L580"><a href="#L580">580</a></th><td>           &lt;CS:shared-owner/&gt;</td></tr><tr><th id="L581"><a href="#L581">581</a></th><td>         &lt;/D:resourcetype&gt;</td></tr><tr><th id="L582"><a href="#L582">582</a></th><td>       &lt;/D:prop&gt;</td></tr><tr><th id="L583"><a href="#L583">583</a></th><td>     &lt;/D:set&gt;</td></tr><tr><th id="L584"><a href="#L584">584</a></th><td>   &lt;/D:mkcol&gt;</td></tr><tr><th id="L585"><a href="#L585">585</a></th><td></td></tr><tr><th id="L586"><a href="#L586">586</a></th><td>   &gt;&gt; Response &lt;&lt;</td></tr><tr><th id="L587"><a href="#L587">587</a></th><td></td></tr><tr><th id="L588"><a href="#L588">588</a></th><td>   HTTP/1.1 201 Created</td></tr><tr><th id="L589"><a href="#L589">589</a></th><td>   Cache-Control: no-cache</td></tr><tr><th id="L590"><a href="#L590">590</a></th><td>   Date: Sat, 11 Nov 2006 09:32:12 GMT</td></tr><tr><th id="L591"><a href="#L591">591</a></th><td></td></tr><tr><th id="L592"><a href="#L592">592</a></th><td>5.3.2.  Sharing an Existing Calendar</td></tr><tr><th id="L593"><a href="#L593">593</a></th><td></td></tr><tr><th id="L594"><a href="#L594">594</a></th><td>   Sharing an existing calendar can be accomplished in two ways.  One</td></tr><tr><th id="L595"><a href="#L595">595</a></th><td>   option is to use a PROPPATCH request to set the DAV:resourcetype</td></tr><tr><th id="L596"><a href="#L596">596</a></th><td>   property to include CS:shared-owner as a child element.  Another</td></tr><tr><th id="L597"><a href="#L597">597</a></th><td>   option is to add sharee's directly to the calendar collection (as</td></tr><tr><th id="L598"><a href="#L598">598</a></th><td>   described in Section 5.3.3) - that action MUST upgrade a non-shared</td></tr><tr><th id="L599"><a href="#L599">599</a></th><td>   calendar to a shared calendar when it completes successfully,</td></tr><tr><th id="L600"><a href="#L600">600</a></th><td>   assuming that such an upgrade is allowed as per Section 5.5.2.</td></tr><tr><th id="L601"><a href="#L601">601</a></th><td></td></tr><tr><th id="L602"><a href="#L602">602</a></th><td>5.3.2.1.  Example: Successful PROPPATCH Request</td></tr><tr><th id="L603"><a href="#L603">603</a></th><td></td></tr><tr><th id="L604"><a href="#L604">604</a></th><td>   This example shows how the PROPPATCH request is used to upgrade to a</td></tr><tr><th id="L605"><a href="#L605">605</a></th><td>   shared calendar collection.</td></tr><tr><th id="L606"><a href="#L606">606</a></th><td></td></tr><tr><th id="L607"><a href="#L607">607</a></th><td></td></tr><tr><th id="L608"><a href="#L608">608</a></th><td></td></tr><tr><th id="L609"><a href="#L609">609</a></th><td></td></tr><tr><th id="L610"><a href="#L610">610</a></th><td></td></tr><tr><th id="L611"><a href="#L611">611</a></th><td></td></tr><tr><th id="L612"><a href="#L612">612</a></th><td></td></tr><tr><th id="L613"><a href="#L613">613</a></th><td></td></tr><tr><th id="L614"><a href="#L614">614</a></th><td></td></tr><tr><th id="L615"><a href="#L615">615</a></th><td>Daboo &amp; York                                                   [Page 11]</td></tr><tr><th id="L616"><a href="#L616">616</a></th><td></td></tr><tr><th id="L617"><a href="#L617">617</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L618"><a href="#L618">618</a></th><td></td></tr><tr><th id="L619"><a href="#L619">619</a></th><td></td></tr><tr><th id="L620"><a href="#L620">620</a></th><td>   &gt;&gt; Request &lt;&lt;</td></tr><tr><th id="L621"><a href="#L621">621</a></th><td></td></tr><tr><th id="L622"><a href="#L622">622</a></th><td>   PROPPATCH /calendars/users/cyrus/shared/ HTTP/1.1</td></tr><tr><th id="L623"><a href="#L623">623</a></th><td>   Host: calendar.example.com</td></tr><tr><th id="L624"><a href="#L624">624</a></th><td>   Content-Type: application/xml; charset="utf-8"</td></tr><tr><th id="L625"><a href="#L625">625</a></th><td>   Content-Length: xxxx</td></tr><tr><th id="L626"><a href="#L626">626</a></th><td></td></tr><tr><th id="L627"><a href="#L627">627</a></th><td>   &lt;?xml version="1.0" encoding="utf-8" ?&gt;</td></tr><tr><th id="L628"><a href="#L628">628</a></th><td>   &lt;D:propertyupdate xmlns:D="DAV:"</td></tr><tr><th id="L629"><a href="#L629">629</a></th><td>                 xmlns:C="urn:ietf:params:xml:ns:caldav"</td></tr><tr><th id="L630"><a href="#L630">630</a></th><td>                 xmlns:CS="http://calendarserver.org/ns/"&gt;</td></tr><tr><th id="L631"><a href="#L631">631</a></th><td>     &lt;D:set&gt;</td></tr><tr><th id="L632"><a href="#L632">632</a></th><td>       &lt;D:prop&gt;</td></tr><tr><th id="L633"><a href="#L633">633</a></th><td>         &lt;D:resourcetype&gt;</td></tr><tr><th id="L634"><a href="#L634">634</a></th><td>           &lt;D:collection/&gt;</td></tr><tr><th id="L635"><a href="#L635">635</a></th><td>           &lt;C:calendar/&gt;</td></tr><tr><th id="L636"><a href="#L636">636</a></th><td>           &lt;CS:shared-owner/&gt;</td></tr><tr><th id="L637"><a href="#L637">637</a></th><td>         &lt;/D:resourcetype&gt;</td></tr><tr><th id="L638"><a href="#L638">638</a></th><td>       &lt;/D:prop&gt;</td></tr><tr><th id="L639"><a href="#L639">639</a></th><td>     &lt;/D:set&gt;</td></tr><tr><th id="L640"><a href="#L640">640</a></th><td>   &lt;/D:propertyupdate&gt;</td></tr><tr><th id="L641"><a href="#L641">641</a></th><td></td></tr><tr><th id="L642"><a href="#L642">642</a></th><td>   &gt;&gt; Response &lt;&lt;</td></tr><tr><th id="L643"><a href="#L643">643</a></th><td></td></tr><tr><th id="L644"><a href="#L644">644</a></th><td>   HTTP/1.1 207 Multi-Status</td></tr><tr><th id="L645"><a href="#L645">645</a></th><td>   Date: Sat, 11 Nov 2006 09:32:12 GMT</td></tr><tr><th id="L646"><a href="#L646">646</a></th><td>   Content-Type: application/xml; charset="utf-8"</td></tr><tr><th id="L647"><a href="#L647">647</a></th><td>   Content-Length: xxxx</td></tr><tr><th id="L648"><a href="#L648">648</a></th><td></td></tr><tr><th id="L649"><a href="#L649">649</a></th><td>   &lt;?xml version="1.0" encoding="utf-8" ?&gt;</td></tr><tr><th id="L650"><a href="#L650">650</a></th><td>   &lt;D:multistatus xmlns:D="DAV:"&gt;</td></tr><tr><th id="L651"><a href="#L651">651</a></th><td>     &lt;D:response&gt;</td></tr><tr><th id="L652"><a href="#L652">652</a></th><td>       &lt;D:href&gt;/calendars/users/cyrus/shared/&lt;/D:href&gt;</td></tr><tr><th id="L653"><a href="#L653">653</a></th><td>       &lt;D:propstat&gt;</td></tr><tr><th id="L654"><a href="#L654">654</a></th><td>         &lt;D:prop&gt;</td></tr><tr><th id="L655"><a href="#L655">655</a></th><td>           &lt;D:resourcetype/&gt;</td></tr><tr><th id="L656"><a href="#L656">656</a></th><td>         &lt;/D:prop&gt;</td></tr><tr><th id="L657"><a href="#L657">657</a></th><td>         &lt;D:status&gt;HTTP/1.1 200 OK&lt;/D:status&gt;</td></tr><tr><th id="L658"><a href="#L658">658</a></th><td>       &lt;/D:propstat&gt;</td></tr><tr><th id="L659"><a href="#L659">659</a></th><td>     &lt;/D:response&gt;</td></tr><tr><th id="L660"><a href="#L660">660</a></th><td>   &lt;/D:multistatus&gt;</td></tr><tr><th id="L661"><a href="#L661">661</a></th><td></td></tr><tr><th id="L662"><a href="#L662">662</a></th><td>5.3.3.  Manipulating Sharees of a Shared Calendar</td></tr><tr><th id="L663"><a href="#L663">663</a></th><td></td></tr><tr><th id="L664"><a href="#L664">664</a></th><td>   The sharer of a shared calendar is able to manipulate the sharee list</td></tr><tr><th id="L665"><a href="#L665">665</a></th><td>   by issuing a POST request targeted at the shared calendar collection</td></tr><tr><th id="L666"><a href="#L666">666</a></th><td>   resource.  The POST request MUST contain an XML document as its body</td></tr><tr><th id="L667"><a href="#L667">667</a></th><td>   with the root element being CS:share (Section 6.24).</td></tr><tr><th id="L668"><a href="#L668">668</a></th><td></td></tr><tr><th id="L669"><a href="#L669">669</a></th><td></td></tr><tr><th id="L670"><a href="#L670">670</a></th><td></td></tr><tr><th id="L671"><a href="#L671">671</a></th><td>Daboo &amp; York                                                   [Page 12]</td></tr><tr><th id="L672"><a href="#L672">672</a></th><td></td></tr><tr><th id="L673"><a href="#L673">673</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L674"><a href="#L674">674</a></th><td></td></tr><tr><th id="L675"><a href="#L675">675</a></th><td></td></tr><tr><th id="L676"><a href="#L676">676</a></th><td>   The CS:share (Section 6.24) element in the POST requests MUST contain</td></tr><tr><th id="L677"><a href="#L677">677</a></th><td>   one or more CS:set (Section 6.25) or CS:remove (Section 6.26)</td></tr><tr><th id="L678"><a href="#L678">678</a></th><td>   elements.  For each CS:set (Section 6.25) element, the server MUST</td></tr><tr><th id="L679"><a href="#L679">679</a></th><td>   add the specified sharee access to the shared calendar.  For each CS:</td></tr><tr><th id="L680"><a href="#L680">680</a></th><td>   remove (Section 6.26) element the server MUST remove the specified</td></tr><tr><th id="L681"><a href="#L681">681</a></th><td>   sharee access from the shared calendar.  In each case the server MUST</td></tr><tr><th id="L682"><a href="#L682">682</a></th><td>   send a notification message to any sharees whose status is changed</td></tr><tr><th id="L683"><a href="#L683">683</a></th><td>   (added, modified or removed), indicating to them a change in status</td></tr><tr><th id="L684"><a href="#L684">684</a></th><td>   for the shared calendar.  The server SHOULD NOT send notification</td></tr><tr><th id="L685"><a href="#L685">685</a></th><td>   messages to sharees whose status is unchanged.</td></tr><tr><th id="L686"><a href="#L686">686</a></th><td></td></tr><tr><th id="L687"><a href="#L687">687</a></th><td>   Sharee's are identified via a DAV:href element whose value is either</td></tr><tr><th id="L688"><a href="#L688">688</a></th><td>   a principal-URL for a sharee hosted on the same server, a calendar</td></tr><tr><th id="L689"><a href="#L689">689</a></th><td>   user address or email address.  In the case of the later two, the</td></tr><tr><th id="L690"><a href="#L690">690</a></th><td>   sharee might not be a user on the same server - though in that case</td></tr><tr><th id="L691"><a href="#L691">691</a></th><td>   how invitations are sent or access enabled is out of scope for this</td></tr><tr><th id="L692"><a href="#L692">692</a></th><td>   specification.  A server MAY change the sharee's "address" to any</td></tr><tr><th id="L693"><a href="#L693">693</a></th><td>   suitable alternative that it might prefer when returning the list of</td></tr><tr><th id="L694"><a href="#L694">694</a></th><td>   sharees via the CS:invite property (Section 5.2.2).</td></tr><tr><th id="L695"><a href="#L695">695</a></th><td></td></tr><tr><th id="L696"><a href="#L696">696</a></th><td>   The client MAY include a CS:common-name (Section 6.19) element in the</td></tr><tr><th id="L697"><a href="#L697">697</a></th><td>   CS:set (Section 6.25) element.  When provided, the value represents</td></tr><tr><th id="L698"><a href="#L698">698</a></th><td>   the common name for the sharee, and is returned in the list of</td></tr><tr><th id="L699"><a href="#L699">699</a></th><td>   sharees via the CS:invite property (Section 5.2.2).  The server MAY</td></tr><tr><th id="L700"><a href="#L700">700</a></th><td>   change this to a suitable alternative when it is able to match the</td></tr><tr><th id="L701"><a href="#L701">701</a></th><td>   sharee to a known user.  If absent from the client request, the</td></tr><tr><th id="L702"><a href="#L702">702</a></th><td>   server SHOULD add a CS:common-name when it is able to match the</td></tr><tr><th id="L703"><a href="#L703">703</a></th><td>   sharee with a known user, and a common name for that user can be</td></tr><tr><th id="L704"><a href="#L704">704</a></th><td>   determined.</td></tr><tr><th id="L705"><a href="#L705">705</a></th><td></td></tr><tr><th id="L706"><a href="#L706">706</a></th><td>   When the sharee list on a shared calendar is changed, the server MUST</td></tr><tr><th id="L707"><a href="#L707">707</a></th><td>   send notifications to each sharee to update them on their current</td></tr><tr><th id="L708"><a href="#L708">708</a></th><td>   sharing status.  This is accomplished by sending a CS:invite-</td></tr><tr><th id="L709"><a href="#L709">709</a></th><td>   notification (Section 6.15) notification to each sharee.</td></tr><tr><th id="L710"><a href="#L710">710</a></th><td></td></tr><tr><th id="L711"><a href="#L711">711</a></th><td>5.3.3.1.  Example: Successful Sharee Add Request</td></tr><tr><th id="L712"><a href="#L712">712</a></th><td></td></tr><tr><th id="L713"><a href="#L713">713</a></th><td>   This example shows how to add a single sharee (with calendar user</td></tr><tr><th id="L714"><a href="#L714">714</a></th><td>   address "mailto:eric@example.com") to a shared calendar with CS:read-</td></tr><tr><th id="L715"><a href="#L715">715</a></th><td>   write access.</td></tr><tr><th id="L716"><a href="#L716">716</a></th><td></td></tr><tr><th id="L717"><a href="#L717">717</a></th><td></td></tr><tr><th id="L718"><a href="#L718">718</a></th><td></td></tr><tr><th id="L719"><a href="#L719">719</a></th><td></td></tr><tr><th id="L720"><a href="#L720">720</a></th><td></td></tr><tr><th id="L721"><a href="#L721">721</a></th><td></td></tr><tr><th id="L722"><a href="#L722">722</a></th><td></td></tr><tr><th id="L723"><a href="#L723">723</a></th><td></td></tr><tr><th id="L724"><a href="#L724">724</a></th><td></td></tr><tr><th id="L725"><a href="#L725">725</a></th><td></td></tr><tr><th id="L726"><a href="#L726">726</a></th><td></td></tr><tr><th id="L727"><a href="#L727">727</a></th><td>Daboo &amp; York                                                   [Page 13]</td></tr><tr><th id="L728"><a href="#L728">728</a></th><td></td></tr><tr><th id="L729"><a href="#L729">729</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L730"><a href="#L730">730</a></th><td></td></tr><tr><th id="L731"><a href="#L731">731</a></th><td></td></tr><tr><th id="L732"><a href="#L732">732</a></th><td>   &gt;&gt; Request &lt;&lt;</td></tr><tr><th id="L733"><a href="#L733">733</a></th><td></td></tr><tr><th id="L734"><a href="#L734">734</a></th><td>   POST /calendars/users/cyrus/shared/ HTTP/1.1</td></tr><tr><th id="L735"><a href="#L735">735</a></th><td>   Host: calendar.example.com</td></tr><tr><th id="L736"><a href="#L736">736</a></th><td>   Content-Type: application/xml; charset="utf-8"</td></tr><tr><th id="L737"><a href="#L737">737</a></th><td>   Content-Length: xxxx</td></tr><tr><th id="L738"><a href="#L738">738</a></th><td></td></tr><tr><th id="L739"><a href="#L739">739</a></th><td>   &lt;?xml version="1.0" encoding="utf-8" ?&gt;</td></tr><tr><th id="L740"><a href="#L740">740</a></th><td>   &lt;CS:share xmlns:D="DAV:"</td></tr><tr><th id="L741"><a href="#L741">741</a></th><td>                 xmlns:CS="http://calendarserver.org/ns/"&gt;</td></tr><tr><th id="L742"><a href="#L742">742</a></th><td>     &lt;CS:set&gt;</td></tr><tr><th id="L743"><a href="#L743">743</a></th><td>       &lt;D:href&gt;mailto:eric@example.com&lt;/D:href&gt;</td></tr><tr><th id="L744"><a href="#L744">744</a></th><td>       &lt;CS:common-name&gt;Eric York&lt;/CS:common-name&gt;</td></tr><tr><th id="L745"><a href="#L745">745</a></th><td>       &lt;CS:summary&gt;Shared workspace&lt;/CS:summary&gt;</td></tr><tr><th id="L746"><a href="#L746">746</a></th><td>       &lt;CS:read-write /&gt;</td></tr><tr><th id="L747"><a href="#L747">747</a></th><td>     &lt;/CS:set&gt;</td></tr><tr><th id="L748"><a href="#L748">748</a></th><td>   &lt;/CS:share&gt;</td></tr><tr><th id="L749"><a href="#L749">749</a></th><td></td></tr><tr><th id="L750"><a href="#L750">750</a></th><td>   &gt;&gt; Response &lt;&lt;</td></tr><tr><th id="L751"><a href="#L751">751</a></th><td></td></tr><tr><th id="L752"><a href="#L752">752</a></th><td>   HTTP/1.1 200 OK</td></tr><tr><th id="L753"><a href="#L753">753</a></th><td>   Cache-Control: no-cache</td></tr><tr><th id="L754"><a href="#L754">754</a></th><td>   Date: Sat, 11 Nov 2006 09:32:12 GMT</td></tr><tr><th id="L755"><a href="#L755">755</a></th><td></td></tr><tr><th id="L756"><a href="#L756">756</a></th><td>5.3.3.2.  Example: Successful Multiple Sharee Change Request</td></tr><tr><th id="L757"><a href="#L757">757</a></th><td></td></tr><tr><th id="L758"><a href="#L758">758</a></th><td>   This example shows how multiple sharee's can be manipulated in a</td></tr><tr><th id="L759"><a href="#L759">759</a></th><td>   single request.  The sharee with calendar user address</td></tr><tr><th id="L760"><a href="#L760">760</a></th><td>   "mailto:eric@example.com" has their access downgraded to CS:read,</td></tr><tr><th id="L761"><a href="#L761">761</a></th><td>   whilst another sharee is removed from the access list entirely.</td></tr><tr><th id="L762"><a href="#L762">762</a></th><td></td></tr><tr><th id="L763"><a href="#L763">763</a></th><td></td></tr><tr><th id="L764"><a href="#L764">764</a></th><td></td></tr><tr><th id="L765"><a href="#L765">765</a></th><td></td></tr><tr><th id="L766"><a href="#L766">766</a></th><td></td></tr><tr><th id="L767"><a href="#L767">767</a></th><td></td></tr><tr><th id="L768"><a href="#L768">768</a></th><td></td></tr><tr><th id="L769"><a href="#L769">769</a></th><td></td></tr><tr><th id="L770"><a href="#L770">770</a></th><td></td></tr><tr><th id="L771"><a href="#L771">771</a></th><td></td></tr><tr><th id="L772"><a href="#L772">772</a></th><td></td></tr><tr><th id="L773"><a href="#L773">773</a></th><td></td></tr><tr><th id="L774"><a href="#L774">774</a></th><td></td></tr><tr><th id="L775"><a href="#L775">775</a></th><td></td></tr><tr><th id="L776"><a href="#L776">776</a></th><td></td></tr><tr><th id="L777"><a href="#L777">777</a></th><td></td></tr><tr><th id="L778"><a href="#L778">778</a></th><td></td></tr><tr><th id="L779"><a href="#L779">779</a></th><td></td></tr><tr><th id="L780"><a href="#L780">780</a></th><td></td></tr><tr><th id="L781"><a href="#L781">781</a></th><td></td></tr><tr><th id="L782"><a href="#L782">782</a></th><td></td></tr><tr><th id="L783"><a href="#L783">783</a></th><td>Daboo &amp; York                                                   [Page 14]</td></tr><tr><th id="L784"><a href="#L784">784</a></th><td></td></tr><tr><th id="L785"><a href="#L785">785</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L786"><a href="#L786">786</a></th><td></td></tr><tr><th id="L787"><a href="#L787">787</a></th><td></td></tr><tr><th id="L788"><a href="#L788">788</a></th><td>   &gt;&gt; Request &lt;&lt;</td></tr><tr><th id="L789"><a href="#L789">789</a></th><td></td></tr><tr><th id="L790"><a href="#L790">790</a></th><td>   POST /calendars/users/cyrus/shared/ HTTP/1.1</td></tr><tr><th id="L791"><a href="#L791">791</a></th><td>   Host: calendar.example.com</td></tr><tr><th id="L792"><a href="#L792">792</a></th><td>   Content-Type: application/xml; charset="utf-8"</td></tr><tr><th id="L793"><a href="#L793">793</a></th><td>   Content-Length: xxxx</td></tr><tr><th id="L794"><a href="#L794">794</a></th><td></td></tr><tr><th id="L795"><a href="#L795">795</a></th><td>   &lt;?xml version="1.0" encoding="utf-8" ?&gt;</td></tr><tr><th id="L796"><a href="#L796">796</a></th><td>   &lt;CS:share xmlns:D="DAV:"</td></tr><tr><th id="L797"><a href="#L797">797</a></th><td>                 xmlns:CS="http://calendarserver.org/ns/"&gt;</td></tr><tr><th id="L798"><a href="#L798">798</a></th><td>     &lt;CS:set&gt;</td></tr><tr><th id="L799"><a href="#L799">799</a></th><td>       &lt;D:href&gt;mailto:eric@example.com&lt;/D:href&gt;</td></tr><tr><th id="L800"><a href="#L800">800</a></th><td>       &lt;CS:summary&gt;Shared workspace&lt;/CS:summary&gt;</td></tr><tr><th id="L801"><a href="#L801">801</a></th><td>       &lt;CS:read-write /&gt;</td></tr><tr><th id="L802"><a href="#L802">802</a></th><td>     &lt;/CS:set&gt;</td></tr><tr><th id="L803"><a href="#L803">803</a></th><td>     &lt;CS:remove&gt;</td></tr><tr><th id="L804"><a href="#L804">804</a></th><td>       &lt;D:href&gt;mailto:wilfredo@example.com&lt;/D:href&gt;</td></tr><tr><th id="L805"><a href="#L805">805</a></th><td>     &lt;/CS:remove&gt;</td></tr><tr><th id="L806"><a href="#L806">806</a></th><td>   &lt;/CS:share&gt;</td></tr><tr><th id="L807"><a href="#L807">807</a></th><td></td></tr><tr><th id="L808"><a href="#L808">808</a></th><td>   &gt;&gt; Response &lt;&lt;</td></tr><tr><th id="L809"><a href="#L809">809</a></th><td></td></tr><tr><th id="L810"><a href="#L810">810</a></th><td>   HTTP/1.1 200 OK</td></tr><tr><th id="L811"><a href="#L811">811</a></th><td>   Cache-Control: no-cache</td></tr><tr><th id="L812"><a href="#L812">812</a></th><td>   Date: Sat, 11 Nov 2006 09:32:12 GMT</td></tr><tr><th id="L813"><a href="#L813">813</a></th><td></td></tr><tr><th id="L814"><a href="#L814">814</a></th><td>5.4.  Sharee Actions on Shared Calendars</td></tr><tr><th id="L815"><a href="#L815">815</a></th><td></td></tr><tr><th id="L816"><a href="#L816">816</a></th><td>5.4.1.  Replying to a Sharing Invite</td></tr><tr><th id="L817"><a href="#L817">817</a></th><td></td></tr><tr><th id="L818"><a href="#L818">818</a></th><td>   When a sharee is invited to a shared calendar they can accept or</td></tr><tr><th id="L819"><a href="#L819">819</a></th><td>   decline the invite by issuing a POST request to the sharee's calendar</td></tr><tr><th id="L820"><a href="#L820">820</a></th><td>   home collection resource.  The POST request MUST contain an XML</td></tr><tr><th id="L821"><a href="#L821">821</a></th><td>   document as its body with the root element being CS:invite-reply</td></tr><tr><th id="L822"><a href="#L822">822</a></th><td>   (Section 6.20).</td></tr><tr><th id="L823"><a href="#L823">823</a></th><td></td></tr><tr><th id="L824"><a href="#L824">824</a></th><td>   The CS:invite-reply (Section 6.20) element in the POST request</td></tr><tr><th id="L825"><a href="#L825">825</a></th><td>   specifies the sharee who is replying in the DAV:href element, the</td></tr><tr><th id="L826"><a href="#L826">826</a></th><td>   accept or decline action via the CS:invite-accepted or CS:invite-</td></tr><tr><th id="L827"><a href="#L827">827</a></th><td>   declined elements, the URL of the shared calendar in the CS:hosturl</td></tr><tr><th id="L828"><a href="#L828">828</a></th><td>   element, the unique identifier of the invite to which it is a reply</td></tr><tr><th id="L829"><a href="#L829">829</a></th><td>   in the CS:in-reply-to element, and an optional CS:summary element.</td></tr><tr><th id="L830"><a href="#L830">830</a></th><td></td></tr><tr><th id="L831"><a href="#L831">831</a></th><td>   The response to a POST request that accepts a shared calendar invite</td></tr><tr><th id="L832"><a href="#L832">832</a></th><td>   MUST be an XML document containing CS:shared-as (Section 6.27) as its</td></tr><tr><th id="L833"><a href="#L833">833</a></th><td>   root element.  That root element contains a single DAV:href element</td></tr><tr><th id="L834"><a href="#L834">834</a></th><td>   whose content is the URI of the shared calendar in the sharee's</td></tr><tr><th id="L835"><a href="#L835">835</a></th><td>   calendar home created by the invite acceptance.</td></tr><tr><th id="L836"><a href="#L836">836</a></th><td></td></tr><tr><th id="L837"><a href="#L837">837</a></th><td></td></tr><tr><th id="L838"><a href="#L838">838</a></th><td></td></tr><tr><th id="L839"><a href="#L839">839</a></th><td>Daboo &amp; York                                                   [Page 15]</td></tr><tr><th id="L840"><a href="#L840">840</a></th><td></td></tr><tr><th id="L841"><a href="#L841">841</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L842"><a href="#L842">842</a></th><td></td></tr><tr><th id="L843"><a href="#L843">843</a></th><td></td></tr><tr><th id="L844"><a href="#L844">844</a></th><td>   When the sharee replies to an invite, the server SHOULD send a</td></tr><tr><th id="L845"><a href="#L845">845</a></th><td>   notification to the sharer to update them on the change in the sharee</td></tr><tr><th id="L846"><a href="#L846">846</a></th><td>   state.  This is accomplished by sending a CS:invite-reply</td></tr><tr><th id="L847"><a href="#L847">847</a></th><td>   (Section 6.20) notification to the sharer.</td></tr><tr><th id="L848"><a href="#L848">848</a></th><td></td></tr><tr><th id="L849"><a href="#L849">849</a></th><td>5.4.2.  Removing a Shared Calendar</td></tr><tr><th id="L850"><a href="#L850">850</a></th><td></td></tr><tr><th id="L851"><a href="#L851">851</a></th><td>   To remove a shared calendar from a sharee's calendar home collection</td></tr><tr><th id="L852"><a href="#L852">852</a></th><td>   a DELETE request is targeted at the shared calendar URI.  When such a</td></tr><tr><th id="L853"><a href="#L853">853</a></th><td>   request is received the server MUST remove the shared calendar from</td></tr><tr><th id="L854"><a href="#L854">854</a></th><td>   the sharee's calendar home and automatically update the sharee's</td></tr><tr><th id="L855"><a href="#L855">855</a></th><td>   status in the sharer's calendar's CS:invite property.</td></tr><tr><th id="L856"><a href="#L856">856</a></th><td></td></tr><tr><th id="L857"><a href="#L857">857</a></th><td>5.5.  General Considerations</td></tr><tr><th id="L858"><a href="#L858">858</a></th><td></td></tr><tr><th id="L859"><a href="#L859">859</a></th><td>5.5.1.  Access Levels</td></tr><tr><th id="L860"><a href="#L860">860</a></th><td></td></tr><tr><th id="L861"><a href="#L861">861</a></th><td>   Two levels of access ca be granted by a sharer to any sharee.  These</td></tr><tr><th id="L862"><a href="#L862">862</a></th><td>   are governed by the CS:access element used in the CS:invite/CS:user</td></tr><tr><th id="L863"><a href="#L863">863</a></th><td>   element that specifies a shared user invite.  CS:access contains a</td></tr><tr><th id="L864"><a href="#L864">864</a></th><td>   single empty element that defines the type of access granted:</td></tr><tr><th id="L865"><a href="#L865">865</a></th><td></td></tr><tr><th id="L866"><a href="#L866">866</a></th><td>   CS:read  When present this indicates that sharees can read calendar</td></tr><tr><th id="L867"><a href="#L867">867</a></th><td>      data but cannot change it.</td></tr><tr><th id="L868"><a href="#L868">868</a></th><td></td></tr><tr><th id="L869"><a href="#L869">869</a></th><td>   CS:read-write  When present this indicates that sharees can read and</td></tr><tr><th id="L870"><a href="#L870">870</a></th><td>      write calendar data.</td></tr><tr><th id="L871"><a href="#L871">871</a></th><td></td></tr><tr><th id="L872"><a href="#L872">872</a></th><td>5.5.2.  Allowing or Disallowing Sharing</td></tr><tr><th id="L873"><a href="#L873">873</a></th><td></td></tr><tr><th id="L874"><a href="#L874">874</a></th><td>   Servers MAY support calendar sharing on a per-calendar basis - e.g.,</td></tr><tr><th id="L875"><a href="#L875">875</a></th><td>   they could treat some calendars as always private (cannot be shared)</td></tr><tr><th id="L876"><a href="#L876">876</a></th><td>   or always public (always shared).  As a result clients need a way to</td></tr><tr><th id="L877"><a href="#L877">877</a></th><td>   determine which calendar could be shared so they can enable or</td></tr><tr><th id="L878"><a href="#L878">878</a></th><td>   disable sharing options on a per-calendar basis.</td></tr><tr><th id="L879"><a href="#L879">879</a></th><td></td></tr><tr><th id="L880"><a href="#L880">880</a></th><td>   This specification adds a CS:allowed-sharing-modes (Section 5.2.3)</td></tr><tr><th id="L881"><a href="#L881">881</a></th><td>   WebDAV property which servers can return on calendar collection</td></tr><tr><th id="L882"><a href="#L882">882</a></th><td>   resources.  This property contains XML elements that describe which</td></tr><tr><th id="L883"><a href="#L883">883</a></th><td>   sharing or publishing capabilities can be supported by the</td></tr><tr><th id="L884"><a href="#L884">884</a></th><td>   corresponding calendar collection:</td></tr><tr><th id="L885"><a href="#L885">885</a></th><td></td></tr><tr><th id="L886"><a href="#L886">886</a></th><td>      CS:can-be-shared (Section 6.3): when present indicates that the</td></tr><tr><th id="L887"><a href="#L887">887</a></th><td>      calendar collection can be shared.  When not present, the calendar</td></tr><tr><th id="L888"><a href="#L888">888</a></th><td>      collection cannot be shared.</td></tr><tr><th id="L889"><a href="#L889">889</a></th><td></td></tr><tr><th id="L890"><a href="#L890">890</a></th><td>      CS:can-be-published (Section 6.4): when present indicates that the</td></tr><tr><th id="L891"><a href="#L891">891</a></th><td>      calendar collection can be published.  When not present, the</td></tr><tr><th id="L892"><a href="#L892">892</a></th><td></td></tr><tr><th id="L893"><a href="#L893">893</a></th><td></td></tr><tr><th id="L894"><a href="#L894">894</a></th><td></td></tr><tr><th id="L895"><a href="#L895">895</a></th><td>Daboo &amp; York                                                   [Page 16]</td></tr><tr><th id="L896"><a href="#L896">896</a></th><td></td></tr><tr><th id="L897"><a href="#L897">897</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L898"><a href="#L898">898</a></th><td></td></tr><tr><th id="L899"><a href="#L899">899</a></th><td></td></tr><tr><th id="L900"><a href="#L900">900</a></th><td>      calendar collection cannot be published.</td></tr><tr><th id="L901"><a href="#L901">901</a></th><td></td></tr><tr><th id="L902"><a href="#L902">902</a></th><td>   When not present on a calendar collection, sharing or publishing of</td></tr><tr><th id="L903"><a href="#L903">903</a></th><td>   that calendar is not allowed.  Clients SHOULD NOT attempt to use</td></tr><tr><th id="L904"><a href="#L904">904</a></th><td>   requests to enable sharing or publishing targeted at those calendar</td></tr><tr><th id="L905"><a href="#L905">905</a></th><td>   collections.</td></tr><tr><th id="L906"><a href="#L906">906</a></th><td></td></tr><tr><th id="L907"><a href="#L907">907</a></th><td>5.5.3.  Per-user WebDAV Properties</td></tr><tr><th id="L908"><a href="#L908">908</a></th><td></td></tr><tr><th id="L909"><a href="#L909">909</a></th><td>   Servers MUST support "per-user" WebDAV properties on shared calendar</td></tr><tr><th id="L910"><a href="#L910">910</a></th><td>   collections and MAY support them on calendar object resources within</td></tr><tr><th id="L911"><a href="#L911">911</a></th><td>   shared calendar collections.  A "per-user" WebDAV property is one</td></tr><tr><th id="L912"><a href="#L912">912</a></th><td>   whose value can be set and retrieved independently by each user with</td></tr><tr><th id="L913"><a href="#L913">913</a></th><td>   appropriate access rights. e.g., user "A" changes the DAV:displayname</td></tr><tr><th id="L914"><a href="#L914">914</a></th><td>   property on a shared calendar in their calendar home to "My</td></tr><tr><th id="L915"><a href="#L915">915</a></th><td>   calendar", and user "B" changes the same property to "Shared" on the</td></tr><tr><th id="L916"><a href="#L916">916</a></th><td>   same shared calendar in their calendar home.  When each user</td></tr><tr><th id="L917"><a href="#L917">917</a></th><td>   retrieves the property value they will see their own last stored</td></tr><tr><th id="L918"><a href="#L918">918</a></th><td>   value and not the value of the other user.</td></tr><tr><th id="L919"><a href="#L919">919</a></th><td></td></tr><tr><th id="L920"><a href="#L920">920</a></th><td>   For shared calendars, the server MUST allow all users to write "per-</td></tr><tr><th id="L921"><a href="#L921">921</a></th><td>   user" WebDAV properties on the shared calendar collection and MAY</td></tr><tr><th id="L922"><a href="#L922">922</a></th><td>   allow property writes on calendar object resources within the shared</td></tr><tr><th id="L923"><a href="#L923">923</a></th><td>   calendar collection.  This is required even in the case where the</td></tr><tr><th id="L924"><a href="#L924">924</a></th><td>   sharee has been granted read access only (i.e., the ability to change</td></tr><tr><th id="L925"><a href="#L925">925</a></th><td>   calendar data is disallowed).  This requirement ensures that sharees</td></tr><tr><th id="L926"><a href="#L926">926</a></th><td>   can always change "personal" properties such as calendar colors and</td></tr><tr><th id="L927"><a href="#L927">927</a></th><td>   display names.</td></tr><tr><th id="L928"><a href="#L928">928</a></th><td></td></tr><tr><th id="L929"><a href="#L929">929</a></th><td>   Servers MUST treat the following properties as "per-user":</td></tr><tr><th id="L930"><a href="#L930">930</a></th><td></td></tr><tr><th id="L931"><a href="#L931">931</a></th><td>      DAV:displayname</td></tr><tr><th id="L932"><a href="#L932">932</a></th><td></td></tr><tr><th id="L933"><a href="#L933">933</a></th><td>      CALDAV:calendar-description</td></tr><tr><th id="L934"><a href="#L934">934</a></th><td></td></tr><tr><th id="L935"><a href="#L935">935</a></th><td>      CALDAV:schedule-calendar-transp</td></tr><tr><th id="L936"><a href="#L936">936</a></th><td></td></tr><tr><th id="L937"><a href="#L937">937</a></th><td>      ICAL:calendar-color</td></tr><tr><th id="L938"><a href="#L938">938</a></th><td></td></tr><tr><th id="L939"><a href="#L939">939</a></th><td>   Servers MAY treat any dead property as per-user.</td></tr><tr><th id="L940"><a href="#L940">940</a></th><td></td></tr><tr><th id="L941"><a href="#L941">941</a></th><td>   Servers MUST NOT treat live properties as per-user.</td></tr><tr><th id="L942"><a href="#L942">942</a></th><td></td></tr><tr><th id="L943"><a href="#L943">943</a></th><td>5.5.4.  Per-user Calendar Data</td></tr><tr><th id="L944"><a href="#L944">944</a></th><td></td></tr><tr><th id="L945"><a href="#L945">945</a></th><td>   Servers MUST support "per-user" calendar data in calendar object</td></tr><tr><th id="L946"><a href="#L946">946</a></th><td>   resources stored in shared calendars.  This allows each sharee and</td></tr><tr><th id="L947"><a href="#L947">947</a></th><td>   the sharer to store their own alarms and free busy transparency</td></tr><tr><th id="L948"><a href="#L948">948</a></th><td></td></tr><tr><th id="L949"><a href="#L949">949</a></th><td></td></tr><tr><th id="L950"><a href="#L950">950</a></th><td></td></tr><tr><th id="L951"><a href="#L951">951</a></th><td>Daboo &amp; York                                                   [Page 17]</td></tr><tr><th id="L952"><a href="#L952">952</a></th><td></td></tr><tr><th id="L953"><a href="#L953">953</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L954"><a href="#L954">954</a></th><td></td></tr><tr><th id="L955"><a href="#L955">955</a></th><td></td></tr><tr><th id="L956"><a href="#L956">956</a></th><td>   status without "interfering" with other users who also have access to</td></tr><tr><th id="L957"><a href="#L957">957</a></th><td>   the same calendar object resources.</td></tr><tr><th id="L958"><a href="#L958">958</a></th><td></td></tr><tr><th id="L959"><a href="#L959">959</a></th><td>   For calendaring object resources in shared calendar collections, the</td></tr><tr><th id="L960"><a href="#L960">960</a></th><td>   server MUST treat the following iCalendar data objects as per-user:</td></tr><tr><th id="L961"><a href="#L961">961</a></th><td></td></tr><tr><th id="L962"><a href="#L962">962</a></th><td>      TRANSP property</td></tr><tr><th id="L963"><a href="#L963">963</a></th><td></td></tr><tr><th id="L964"><a href="#L964">964</a></th><td>      VALARM component</td></tr><tr><th id="L965"><a href="#L965">965</a></th><td></td></tr><tr><th id="L966"><a href="#L966">966</a></th><td>   Servers MAY treat any non-standard X- iCalendar properties as per-</td></tr><tr><th id="L967"><a href="#L967">967</a></th><td>   user.</td></tr><tr><th id="L968"><a href="#L968">968</a></th><td></td></tr><tr><th id="L969"><a href="#L969">969</a></th><td>   When handling per-user data in recurring components, servers SHOULD</td></tr><tr><th id="L970"><a href="#L970">970</a></th><td>   eliminate overridden instances when returning iCalendar data to</td></tr><tr><th id="L971"><a href="#L971">971</a></th><td>   clients in the case where there are no differences between the</td></tr><tr><th id="L972"><a href="#L972">972</a></th><td>   overridden component and the instance that could be derived from the</td></tr><tr><th id="L973"><a href="#L973">973</a></th><td>   "master" recurrence component.  For example, consider a daily</td></tr><tr><th id="L974"><a href="#L974">974</a></th><td>   recurring event, Monday through Friday, initially defined without any</td></tr><tr><th id="L975"><a href="#L975">975</a></th><td>   overridden instances, that is in a shared calendar.  If user "A"</td></tr><tr><th id="L976"><a href="#L976">976</a></th><td>   overrides the Tuesday instance and adds their own "VALARM" component</td></tr><tr><th id="L977"><a href="#L977">977</a></th><td>   only, then when user "A" later retrieves the data again they would</td></tr><tr><th id="L978"><a href="#L978">978</a></th><td>   see that overridden instance, but when user "B" does so, they would</td></tr><tr><th id="L979"><a href="#L979">979</a></th><td>   not.  This ensures that each user sees the most "compact"</td></tr><tr><th id="L980"><a href="#L980">980</a></th><td>   representation of the calendar data.</td></tr><tr><th id="L981"><a href="#L981">981</a></th><td></td></tr><tr><th id="L982"><a href="#L982">982</a></th><td>5.5.5.  Scheduling</td></tr><tr><th id="L983"><a href="#L983">983</a></th><td></td></tr><tr><th id="L984"><a href="#L984">984</a></th><td>   CalDAV Scheduling [I-D.desruisseaux-caldav-sched] defines how a</td></tr><tr><th id="L985"><a href="#L985">985</a></th><td>   CalDAV server carries out scheduling operations when calendar object</td></tr><tr><th id="L986"><a href="#L986">986</a></th><td>   resources are created, modified or deleted and include "ORGANIZER"</td></tr><tr><th id="L987"><a href="#L987">987</a></th><td>   and "ATTENDEE" iCalendar properties.</td></tr><tr><th id="L988"><a href="#L988">988</a></th><td></td></tr><tr><th id="L989"><a href="#L989">989</a></th><td>   When calendar object resources are created, modified or deleted in</td></tr><tr><th id="L990"><a href="#L990">990</a></th><td>   shared calendars by sharees, the following restrictions apply:</td></tr><tr><th id="L991"><a href="#L991">991</a></th><td></td></tr><tr><th id="L992"><a href="#L992">992</a></th><td>   1.  The "ORGANIZER" iCalendar property value in the iCalendar data</td></tr><tr><th id="L993"><a href="#L993">993</a></th><td>       MUST match a calendar user address of the sharer (owner) of the</td></tr><tr><th id="L994"><a href="#L994">994</a></th><td>       shared calendar.  The DAV:owner WebDAV property MUST be present</td></tr><tr><th id="L995"><a href="#L995">995</a></th><td>       on a shared calendar and MUST provide a reference to a principal-</td></tr><tr><th id="L996"><a href="#L996">996</a></th><td>       URL of the sharer (owner) of the shared calendar.  Clients can</td></tr><tr><th id="L997"><a href="#L997">997</a></th><td>       use this value to determine what the allowed "ORGANIZER"</td></tr><tr><th id="L998"><a href="#L998">998</a></th><td>       iCalendar property values are.  The server MUST reject any</td></tr><tr><th id="L999"><a href="#L999">999</a></th><td>       attempt by a sharee to create an iCalendar component with an</td></tr><tr><th id="L1000"><a href="#L1000">1000</a></th><td>       "ORGANIZER" property value other than the sharer (owner) of the</td></tr><tr><th id="L1001"><a href="#L1001">1001</a></th><td>       shared calendar.</td></tr><tr><th id="L1002"><a href="#L1002">1002</a></th><td></td></tr><tr><th id="L1003"><a href="#L1003">1003</a></th><td></td></tr><tr><th id="L1004"><a href="#L1004">1004</a></th><td></td></tr><tr><th id="L1005"><a href="#L1005">1005</a></th><td></td></tr><tr><th id="L1006"><a href="#L1006">1006</a></th><td></td></tr><tr><th id="L1007"><a href="#L1007">1007</a></th><td>Daboo &amp; York                                                   [Page 18]</td></tr><tr><th id="L1008"><a href="#L1008">1008</a></th><td></td></tr><tr><th id="L1009"><a href="#L1009">1009</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1010"><a href="#L1010">1010</a></th><td></td></tr><tr><th id="L1011"><a href="#L1011">1011</a></th><td></td></tr><tr><th id="L1012"><a href="#L1012">1012</a></th><td>   2.  The server MUST reject any attempt by a sharee to MOVE a calendar</td></tr><tr><th id="L1013"><a href="#L1013">1013</a></th><td>       object resource in a shared calendar to some other collection.</td></tr><tr><th id="L1014"><a href="#L1014">1014</a></th><td></td></tr><tr><th id="L1015"><a href="#L1015">1015</a></th><td>   3.  When a sharee is listed as an Attendee in a calendar object</td></tr><tr><th id="L1016"><a href="#L1016">1016</a></th><td>       resource in a shared calendar, and write access is granted, the</td></tr><tr><th id="L1017"><a href="#L1017">1017</a></th><td>       sharee is allowed to change not only iCalendar data related to</td></tr><tr><th id="L1018"><a href="#L1018">1018</a></th><td>       the Organizer, but also data related to the Attendee. i.e., a</td></tr><tr><th id="L1019"><a href="#L1019">1019</a></th><td>       sharee can change their own participation status on the</td></tr><tr><th id="L1020"><a href="#L1020">1020</a></th><td>       "ATTENDEE" iCalendar property referring to them.  Additionally,</td></tr><tr><th id="L1021"><a href="#L1021">1021</a></th><td>       if the sharee is not listed as an Attendee, and write access is</td></tr><tr><th id="L1022"><a href="#L1022">1022</a></th><td>       granted, the sharee can add themselves as an Attendee.</td></tr><tr><th id="L1023"><a href="#L1023">1023</a></th><td></td></tr><tr><th id="L1024"><a href="#L1024">1024</a></th><td>   4.  The default calendar collection defined in Section 6.3 of</td></tr><tr><th id="L1025"><a href="#L1025">1025</a></th><td>       [I-D.desruisseaux-caldav-sched] MUST NOT be a calendar shared to</td></tr><tr><th id="L1026"><a href="#L1026">1026</a></th><td>       the corresponding calendar user.</td></tr><tr><th id="L1027"><a href="#L1027">1027</a></th><td></td></tr><tr><th id="L1028"><a href="#L1028">1028</a></th><td>   Following are additional considerations for scheduling with shared</td></tr><tr><th id="L1029"><a href="#L1029">1029</a></th><td>   calendars:</td></tr><tr><th id="L1030"><a href="#L1030">1030</a></th><td></td></tr><tr><th id="L1031"><a href="#L1031">1031</a></th><td>   1.  A scheduled iCalendar component could appear in more than one</td></tr><tr><th id="L1032"><a href="#L1032">1032</a></th><td>       calendar collection within a sharee's calendar home if the sharee</td></tr><tr><th id="L1033"><a href="#L1033">1033</a></th><td>       is an Attendee and the Organizer or other Attendees have shared a</td></tr><tr><th id="L1034"><a href="#L1034">1034</a></th><td>       calendar with the sharee that includes their copies of the</td></tr><tr><th id="L1035"><a href="#L1035">1035</a></th><td>       iCalendar component.  It is important to note that the scheduled</td></tr><tr><th id="L1036"><a href="#L1036">1036</a></th><td>       component in the shared calendar could have different access</td></tr><tr><th id="L1037"><a href="#L1037">1037</a></th><td>       rights than the one in the sharee's owned calendar.</td></tr><tr><th id="L1038"><a href="#L1038">1038</a></th><td></td></tr><tr><th id="L1039"><a href="#L1039">1039</a></th><td>   2.  A scheduled iCalendar component appearing in a sharee's shared</td></tr><tr><th id="L1040"><a href="#L1040">1040</a></th><td>       calendar could include the sharee as an Attendee.  For recurring</td></tr><tr><th id="L1041"><a href="#L1041">1041</a></th><td>       events, it is possible for the sharee to only be listed as an</td></tr><tr><th id="L1042"><a href="#L1042">1042</a></th><td>       Attendee in some instances, as opposed to all.  Clients will need</td></tr><tr><th id="L1043"><a href="#L1043">1043</a></th><td>       to be aware of this when allowing sharee's to set their own</td></tr><tr><th id="L1044"><a href="#L1044">1044</a></th><td>       participation status.</td></tr><tr><th id="L1045"><a href="#L1045">1045</a></th><td></td></tr><tr><th id="L1046"><a href="#L1046">1046</a></th><td>   In addition, when a shared calendar is first accepted by a sharee,</td></tr><tr><th id="L1047"><a href="#L1047">1047</a></th><td>   the server SHOULD set the CALDAV:schedule-calendar-transp property to</td></tr><tr><th id="L1048"><a href="#L1048">1048</a></th><td>   the value CALDAV:transparent to ensure newly accepted shared</td></tr><tr><th id="L1049"><a href="#L1049">1049</a></th><td>   calendars do not contribute to the sharee's freebusy time until the</td></tr><tr><th id="L1050"><a href="#L1050">1050</a></th><td>   sharee explicitly requests it.</td></tr><tr><th id="L1051"><a href="#L1051">1051</a></th><td></td></tr><tr><th id="L1052"><a href="#L1052">1052</a></th><td></td></tr><tr><th id="L1053"><a href="#L1053">1053</a></th><td>6.  XML Element Definitions</td></tr><tr><th id="L1054"><a href="#L1054">1054</a></th><td></td></tr><tr><th id="L1055"><a href="#L1055">1055</a></th><td>6.1.  CS:shared-owner</td></tr><tr><th id="L1056"><a href="#L1056">1056</a></th><td></td></tr><tr><th id="L1057"><a href="#L1057">1057</a></th><td></td></tr><tr><th id="L1058"><a href="#L1058">1058</a></th><td></td></tr><tr><th id="L1059"><a href="#L1059">1059</a></th><td></td></tr><tr><th id="L1060"><a href="#L1060">1060</a></th><td></td></tr><tr><th id="L1061"><a href="#L1061">1061</a></th><td></td></tr><tr><th id="L1062"><a href="#L1062">1062</a></th><td></td></tr><tr><th id="L1063"><a href="#L1063">1063</a></th><td>Daboo &amp; York                                                   [Page 19]</td></tr><tr><th id="L1064"><a href="#L1064">1064</a></th><td></td></tr><tr><th id="L1065"><a href="#L1065">1065</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1066"><a href="#L1066">1066</a></th><td></td></tr><tr><th id="L1067"><a href="#L1067">1067</a></th><td></td></tr><tr><th id="L1068"><a href="#L1068">1068</a></th><td>   Name:  shared-owner</td></tr><tr><th id="L1069"><a href="#L1069">1069</a></th><td></td></tr><tr><th id="L1070"><a href="#L1070">1070</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1071"><a href="#L1071">1071</a></th><td></td></tr><tr><th id="L1072"><a href="#L1072">1072</a></th><td>   Purpose:  Used to indicate that a calendar is being shared by the</td></tr><tr><th id="L1073"><a href="#L1073">1073</a></th><td>      owner.</td></tr><tr><th id="L1074"><a href="#L1074">1074</a></th><td></td></tr><tr><th id="L1075"><a href="#L1075">1075</a></th><td>   Description:  This property appears in the DAV:resourcetype property</td></tr><tr><th id="L1076"><a href="#L1076">1076</a></th><td>      on the calendar collection resource shared by a sharer.  See</td></tr><tr><th id="L1077"><a href="#L1077">1077</a></th><td>      Section 5.2.</td></tr><tr><th id="L1078"><a href="#L1078">1078</a></th><td></td></tr><tr><th id="L1079"><a href="#L1079">1079</a></th><td>   Definition:</td></tr><tr><th id="L1080"><a href="#L1080">1080</a></th><td></td></tr><tr><th id="L1081"><a href="#L1081">1081</a></th><td>   &lt;!ELEMENT shared-owner EMPTY&gt;</td></tr><tr><th id="L1082"><a href="#L1082">1082</a></th><td></td></tr><tr><th id="L1083"><a href="#L1083">1083</a></th><td>6.2.  CS:shared</td></tr><tr><th id="L1084"><a href="#L1084">1084</a></th><td></td></tr><tr><th id="L1085"><a href="#L1085">1085</a></th><td>   Name:  shared</td></tr><tr><th id="L1086"><a href="#L1086">1086</a></th><td></td></tr><tr><th id="L1087"><a href="#L1087">1087</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1088"><a href="#L1088">1088</a></th><td></td></tr><tr><th id="L1089"><a href="#L1089">1089</a></th><td>   Purpose:  Used to indicate that a calendar is being shared to a</td></tr><tr><th id="L1090"><a href="#L1090">1090</a></th><td>      sharee.</td></tr><tr><th id="L1091"><a href="#L1091">1091</a></th><td></td></tr><tr><th id="L1092"><a href="#L1092">1092</a></th><td>   Description:  This property appears in the DAV:resourcetype property</td></tr><tr><th id="L1093"><a href="#L1093">1093</a></th><td>      on a calendar collection resource that is shared to a sharee and</td></tr><tr><th id="L1094"><a href="#L1094">1094</a></th><td>      appears in the sharee's calendar home collection.  See</td></tr><tr><th id="L1095"><a href="#L1095">1095</a></th><td>      Section 5.2.</td></tr><tr><th id="L1096"><a href="#L1096">1096</a></th><td></td></tr><tr><th id="L1097"><a href="#L1097">1097</a></th><td>   Definition:</td></tr><tr><th id="L1098"><a href="#L1098">1098</a></th><td></td></tr><tr><th id="L1099"><a href="#L1099">1099</a></th><td>   &lt;!ELEMENT shared EMPTY&gt;</td></tr><tr><th id="L1100"><a href="#L1100">1100</a></th><td></td></tr><tr><th id="L1101"><a href="#L1101">1101</a></th><td>6.3.  CS:can-be-shared</td></tr><tr><th id="L1102"><a href="#L1102">1102</a></th><td></td></tr><tr><th id="L1103"><a href="#L1103">1103</a></th><td>   Name:  can-be-shared</td></tr><tr><th id="L1104"><a href="#L1104">1104</a></th><td></td></tr><tr><th id="L1105"><a href="#L1105">1105</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1106"><a href="#L1106">1106</a></th><td></td></tr><tr><th id="L1107"><a href="#L1107">1107</a></th><td>   Purpose:  Used to indicate that a calendar can be shared.</td></tr><tr><th id="L1108"><a href="#L1108">1108</a></th><td></td></tr><tr><th id="L1109"><a href="#L1109">1109</a></th><td>   Description:  This element indicates that a calendar can be shared</td></tr><tr><th id="L1110"><a href="#L1110">1110</a></th><td>      with other users.  See Section 5.2.3</td></tr><tr><th id="L1111"><a href="#L1111">1111</a></th><td></td></tr><tr><th id="L1112"><a href="#L1112">1112</a></th><td>   Definition:</td></tr><tr><th id="L1113"><a href="#L1113">1113</a></th><td></td></tr><tr><th id="L1114"><a href="#L1114">1114</a></th><td>   &lt;!ELEMENT can-be-shared EMPTY&gt;</td></tr><tr><th id="L1115"><a href="#L1115">1115</a></th><td></td></tr><tr><th id="L1116"><a href="#L1116">1116</a></th><td></td></tr><tr><th id="L1117"><a href="#L1117">1117</a></th><td></td></tr><tr><th id="L1118"><a href="#L1118">1118</a></th><td></td></tr><tr><th id="L1119"><a href="#L1119">1119</a></th><td>Daboo &amp; York                                                   [Page 20]</td></tr><tr><th id="L1120"><a href="#L1120">1120</a></th><td></td></tr><tr><th id="L1121"><a href="#L1121">1121</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1122"><a href="#L1122">1122</a></th><td></td></tr><tr><th id="L1123"><a href="#L1123">1123</a></th><td></td></tr><tr><th id="L1124"><a href="#L1124">1124</a></th><td>6.4.  CS:can-be-published</td></tr><tr><th id="L1125"><a href="#L1125">1125</a></th><td></td></tr><tr><th id="L1126"><a href="#L1126">1126</a></th><td>   Name:  can-be-published</td></tr><tr><th id="L1127"><a href="#L1127">1127</a></th><td></td></tr><tr><th id="L1128"><a href="#L1128">1128</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1129"><a href="#L1129">1129</a></th><td></td></tr><tr><th id="L1130"><a href="#L1130">1130</a></th><td>   Purpose:  Used to indicate that a calendar can be published.</td></tr><tr><th id="L1131"><a href="#L1131">1131</a></th><td></td></tr><tr><th id="L1132"><a href="#L1132">1132</a></th><td>   Description:  This element indicates that a calendar can be published</td></tr><tr><th id="L1133"><a href="#L1133">1133</a></th><td>      to anyone.  See Section 5.2.3</td></tr><tr><th id="L1134"><a href="#L1134">1134</a></th><td></td></tr><tr><th id="L1135"><a href="#L1135">1135</a></th><td>   Definition:</td></tr><tr><th id="L1136"><a href="#L1136">1136</a></th><td></td></tr><tr><th id="L1137"><a href="#L1137">1137</a></th><td>   &lt;!ELEMENT can-be-published EMPTY&gt;</td></tr><tr><th id="L1138"><a href="#L1138">1138</a></th><td></td></tr><tr><th id="L1139"><a href="#L1139">1139</a></th><td>6.5.  CS:user</td></tr><tr><th id="L1140"><a href="#L1140">1140</a></th><td></td></tr><tr><th id="L1141"><a href="#L1141">1141</a></th><td>   Name:  user</td></tr><tr><th id="L1142"><a href="#L1142">1142</a></th><td></td></tr><tr><th id="L1143"><a href="#L1143">1143</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1144"><a href="#L1144">1144</a></th><td></td></tr><tr><th id="L1145"><a href="#L1145">1145</a></th><td>   Purpose:  Used to show status of sharing invites sent to sharees.</td></tr><tr><th id="L1146"><a href="#L1146">1146</a></th><td></td></tr><tr><th id="L1147"><a href="#L1147">1147</a></th><td>   Description:  This element provides the "status" of a sharing invite</td></tr><tr><th id="L1148"><a href="#L1148">1148</a></th><td>      sent to a particular user.  See Section 5.2.2.</td></tr><tr><th id="L1149"><a href="#L1149">1149</a></th><td></td></tr><tr><th id="L1150"><a href="#L1150">1150</a></th><td>   Definition:</td></tr><tr><th id="L1151"><a href="#L1151">1151</a></th><td></td></tr><tr><th id="L1152"><a href="#L1152">1152</a></th><td>   &lt;!ELEMENT user (DAV:href, common-name?, (invite-noresponse |</td></tr><tr><th id="L1153"><a href="#L1153">1153</a></th><td>                   invite-accepted | invite-declined | invite-invalid),</td></tr><tr><th id="L1154"><a href="#L1154">1154</a></th><td>                   access, summary?)&gt;</td></tr><tr><th id="L1155"><a href="#L1155">1155</a></th><td></td></tr><tr><th id="L1156"><a href="#L1156">1156</a></th><td>6.6.  CS:invite-noresponse</td></tr><tr><th id="L1157"><a href="#L1157">1157</a></th><td></td></tr><tr><th id="L1158"><a href="#L1158">1158</a></th><td>   Name:  invite-noresponse</td></tr><tr><th id="L1159"><a href="#L1159">1159</a></th><td></td></tr><tr><th id="L1160"><a href="#L1160">1160</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1161"><a href="#L1161">1161</a></th><td></td></tr><tr><th id="L1162"><a href="#L1162">1162</a></th><td>   Purpose:  Sharing invite status.</td></tr><tr><th id="L1163"><a href="#L1163">1163</a></th><td></td></tr><tr><th id="L1164"><a href="#L1164">1164</a></th><td>   Description:  When used in a CS:user (Section 6.5) element, this</td></tr><tr><th id="L1165"><a href="#L1165">1165</a></th><td>      element is used to indicate that the sharee has never replied to</td></tr><tr><th id="L1166"><a href="#L1166">1166</a></th><td>      the corresponding sharing invite.  When used in a CS:invite-</td></tr><tr><th id="L1167"><a href="#L1167">1167</a></th><td>      notification (Section 6.15) element, this element is used to</td></tr><tr><th id="L1168"><a href="#L1168">1168</a></th><td>      indicate to the sharee that a sharing reply is needed.</td></tr><tr><th id="L1169"><a href="#L1169">1169</a></th><td></td></tr><tr><th id="L1170"><a href="#L1170">1170</a></th><td></td></tr><tr><th id="L1171"><a href="#L1171">1171</a></th><td></td></tr><tr><th id="L1172"><a href="#L1172">1172</a></th><td></td></tr><tr><th id="L1173"><a href="#L1173">1173</a></th><td></td></tr><tr><th id="L1174"><a href="#L1174">1174</a></th><td></td></tr><tr><th id="L1175"><a href="#L1175">1175</a></th><td>Daboo &amp; York                                                   [Page 21]</td></tr><tr><th id="L1176"><a href="#L1176">1176</a></th><td></td></tr><tr><th id="L1177"><a href="#L1177">1177</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1178"><a href="#L1178">1178</a></th><td></td></tr><tr><th id="L1179"><a href="#L1179">1179</a></th><td></td></tr><tr><th id="L1180"><a href="#L1180">1180</a></th><td>   Definition:</td></tr><tr><th id="L1181"><a href="#L1181">1181</a></th><td></td></tr><tr><th id="L1182"><a href="#L1182">1182</a></th><td>   &lt;!ELEMENT invite-noresponse EMPTY&gt;</td></tr><tr><th id="L1183"><a href="#L1183">1183</a></th><td></td></tr><tr><th id="L1184"><a href="#L1184">1184</a></th><td>6.7.  CS:invite-deleted</td></tr><tr><th id="L1185"><a href="#L1185">1185</a></th><td></td></tr><tr><th id="L1186"><a href="#L1186">1186</a></th><td>   Name:  invite-deleted</td></tr><tr><th id="L1187"><a href="#L1187">1187</a></th><td></td></tr><tr><th id="L1188"><a href="#L1188">1188</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1189"><a href="#L1189">1189</a></th><td></td></tr><tr><th id="L1190"><a href="#L1190">1190</a></th><td>   Purpose:  Sharing invite status.</td></tr><tr><th id="L1191"><a href="#L1191">1191</a></th><td></td></tr><tr><th id="L1192"><a href="#L1192">1192</a></th><td>   Description:  When used in a CS:invite-notification (Section 6.15)</td></tr><tr><th id="L1193"><a href="#L1193">1193</a></th><td>      element, this element is used to indicate to the sharee that a</td></tr><tr><th id="L1194"><a href="#L1194">1194</a></th><td>      shared calendar has been unshared by the sharer.</td></tr><tr><th id="L1195"><a href="#L1195">1195</a></th><td></td></tr><tr><th id="L1196"><a href="#L1196">1196</a></th><td>   Definition:</td></tr><tr><th id="L1197"><a href="#L1197">1197</a></th><td></td></tr><tr><th id="L1198"><a href="#L1198">1198</a></th><td>   &lt;!ELEMENT invite-deleted EMPTY&gt;</td></tr><tr><th id="L1199"><a href="#L1199">1199</a></th><td></td></tr><tr><th id="L1200"><a href="#L1200">1200</a></th><td>6.8.  CS:invite-accepted</td></tr><tr><th id="L1201"><a href="#L1201">1201</a></th><td></td></tr><tr><th id="L1202"><a href="#L1202">1202</a></th><td>   Name:  invite-accepted</td></tr><tr><th id="L1203"><a href="#L1203">1203</a></th><td></td></tr><tr><th id="L1204"><a href="#L1204">1204</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1205"><a href="#L1205">1205</a></th><td></td></tr><tr><th id="L1206"><a href="#L1206">1206</a></th><td>   Purpose:  Sharing invite status.</td></tr><tr><th id="L1207"><a href="#L1207">1207</a></th><td></td></tr><tr><th id="L1208"><a href="#L1208">1208</a></th><td>   Description:  When used in a CS:user (Section 6.5) element, this</td></tr><tr><th id="L1209"><a href="#L1209">1209</a></th><td>      element is used to indicate that the sharee has accepted the</td></tr><tr><th id="L1210"><a href="#L1210">1210</a></th><td>      corresponding sharing invite.  When used in a CS:invite-</td></tr><tr><th id="L1211"><a href="#L1211">1211</a></th><td>      notification (Section 6.15) element, this element is used to</td></tr><tr><th id="L1212"><a href="#L1212">1212</a></th><td>      indicate to the sharee that the sharing invite is an update for</td></tr><tr><th id="L1213"><a href="#L1213">1213</a></th><td>      one they previously accepted.</td></tr><tr><th id="L1214"><a href="#L1214">1214</a></th><td></td></tr><tr><th id="L1215"><a href="#L1215">1215</a></th><td>   Definition:</td></tr><tr><th id="L1216"><a href="#L1216">1216</a></th><td></td></tr><tr><th id="L1217"><a href="#L1217">1217</a></th><td>   &lt;!ELEMENT invite-accepted EMPTY&gt;</td></tr><tr><th id="L1218"><a href="#L1218">1218</a></th><td></td></tr><tr><th id="L1219"><a href="#L1219">1219</a></th><td>6.9.  CS:invite-declined</td></tr><tr><th id="L1220"><a href="#L1220">1220</a></th><td></td></tr><tr><th id="L1221"><a href="#L1221">1221</a></th><td>   Name:  invite-declined</td></tr><tr><th id="L1222"><a href="#L1222">1222</a></th><td></td></tr><tr><th id="L1223"><a href="#L1223">1223</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1224"><a href="#L1224">1224</a></th><td></td></tr><tr><th id="L1225"><a href="#L1225">1225</a></th><td></td></tr><tr><th id="L1226"><a href="#L1226">1226</a></th><td></td></tr><tr><th id="L1227"><a href="#L1227">1227</a></th><td></td></tr><tr><th id="L1228"><a href="#L1228">1228</a></th><td></td></tr><tr><th id="L1229"><a href="#L1229">1229</a></th><td></td></tr><tr><th id="L1230"><a href="#L1230">1230</a></th><td></td></tr><tr><th id="L1231"><a href="#L1231">1231</a></th><td>Daboo &amp; York                                                   [Page 22]</td></tr><tr><th id="L1232"><a href="#L1232">1232</a></th><td></td></tr><tr><th id="L1233"><a href="#L1233">1233</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1234"><a href="#L1234">1234</a></th><td></td></tr><tr><th id="L1235"><a href="#L1235">1235</a></th><td></td></tr><tr><th id="L1236"><a href="#L1236">1236</a></th><td>   Purpose:  Sharing invite status.</td></tr><tr><th id="L1237"><a href="#L1237">1237</a></th><td></td></tr><tr><th id="L1238"><a href="#L1238">1238</a></th><td>   Description:  When used in a CS:user (Section 6.5) element, this</td></tr><tr><th id="L1239"><a href="#L1239">1239</a></th><td>      element is used to indicate that the sharee has declined the</td></tr><tr><th id="L1240"><a href="#L1240">1240</a></th><td>      corresponding sharing invite.  When used in a CS:invite-</td></tr><tr><th id="L1241"><a href="#L1241">1241</a></th><td>      notification (Section 6.15) element, this element is used to</td></tr><tr><th id="L1242"><a href="#L1242">1242</a></th><td>      indicate to the sharee that the sharing invite is an update for</td></tr><tr><th id="L1243"><a href="#L1243">1243</a></th><td>      one they previously declined.</td></tr><tr><th id="L1244"><a href="#L1244">1244</a></th><td></td></tr><tr><th id="L1245"><a href="#L1245">1245</a></th><td>   Definition:</td></tr><tr><th id="L1246"><a href="#L1246">1246</a></th><td></td></tr><tr><th id="L1247"><a href="#L1247">1247</a></th><td>   &lt;!ELEMENT invite-declined EMPTY&gt;</td></tr><tr><th id="L1248"><a href="#L1248">1248</a></th><td></td></tr><tr><th id="L1249"><a href="#L1249">1249</a></th><td>6.10.  CS:invite-invalid</td></tr><tr><th id="L1250"><a href="#L1250">1250</a></th><td></td></tr><tr><th id="L1251"><a href="#L1251">1251</a></th><td>   Name:  invite-invalid</td></tr><tr><th id="L1252"><a href="#L1252">1252</a></th><td></td></tr><tr><th id="L1253"><a href="#L1253">1253</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1254"><a href="#L1254">1254</a></th><td></td></tr><tr><th id="L1255"><a href="#L1255">1255</a></th><td>   Purpose:  Sharing invite status.</td></tr><tr><th id="L1256"><a href="#L1256">1256</a></th><td></td></tr><tr><th id="L1257"><a href="#L1257">1257</a></th><td>   Description:  When used in a CS:user (Section 6.5) element, this</td></tr><tr><th id="L1258"><a href="#L1258">1258</a></th><td>      element is used to indicate that the corresponding sharee is not a</td></tr><tr><th id="L1259"><a href="#L1259">1259</a></th><td>      valid calendar user known to the server.</td></tr><tr><th id="L1260"><a href="#L1260">1260</a></th><td></td></tr><tr><th id="L1261"><a href="#L1261">1261</a></th><td>   Definition:</td></tr><tr><th id="L1262"><a href="#L1262">1262</a></th><td></td></tr><tr><th id="L1263"><a href="#L1263">1263</a></th><td>   &lt;!ELEMENT invite-invalid EMPTY&gt;</td></tr><tr><th id="L1264"><a href="#L1264">1264</a></th><td></td></tr><tr><th id="L1265"><a href="#L1265">1265</a></th><td>6.11.  CS:access</td></tr><tr><th id="L1266"><a href="#L1266">1266</a></th><td></td></tr><tr><th id="L1267"><a href="#L1267">1267</a></th><td>   Name:  access</td></tr><tr><th id="L1268"><a href="#L1268">1268</a></th><td></td></tr><tr><th id="L1269"><a href="#L1269">1269</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1270"><a href="#L1270">1270</a></th><td></td></tr><tr><th id="L1271"><a href="#L1271">1271</a></th><td>   Purpose:  Shared calendar access level.</td></tr><tr><th id="L1272"><a href="#L1272">1272</a></th><td></td></tr><tr><th id="L1273"><a href="#L1273">1273</a></th><td>   Description:  When used in a CS:user (Section 6.5) element, this</td></tr><tr><th id="L1274"><a href="#L1274">1274</a></th><td>      element is used to indicate the sharing access level granted to</td></tr><tr><th id="L1275"><a href="#L1275">1275</a></th><td>      the corresponding sharee.</td></tr><tr><th id="L1276"><a href="#L1276">1276</a></th><td></td></tr><tr><th id="L1277"><a href="#L1277">1277</a></th><td>   Definition:</td></tr><tr><th id="L1278"><a href="#L1278">1278</a></th><td></td></tr><tr><th id="L1279"><a href="#L1279">1279</a></th><td>   &lt;!ELEMENT invite-invalid (read | read-write)&gt;</td></tr><tr><th id="L1280"><a href="#L1280">1280</a></th><td></td></tr><tr><th id="L1281"><a href="#L1281">1281</a></th><td></td></tr><tr><th id="L1282"><a href="#L1282">1282</a></th><td></td></tr><tr><th id="L1283"><a href="#L1283">1283</a></th><td></td></tr><tr><th id="L1284"><a href="#L1284">1284</a></th><td></td></tr><tr><th id="L1285"><a href="#L1285">1285</a></th><td></td></tr><tr><th id="L1286"><a href="#L1286">1286</a></th><td></td></tr><tr><th id="L1287"><a href="#L1287">1287</a></th><td>Daboo &amp; York                                                   [Page 23]</td></tr><tr><th id="L1288"><a href="#L1288">1288</a></th><td></td></tr><tr><th id="L1289"><a href="#L1289">1289</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1290"><a href="#L1290">1290</a></th><td></td></tr><tr><th id="L1291"><a href="#L1291">1291</a></th><td></td></tr><tr><th id="L1292"><a href="#L1292">1292</a></th><td>6.12.  CS:read</td></tr><tr><th id="L1293"><a href="#L1293">1293</a></th><td></td></tr><tr><th id="L1294"><a href="#L1294">1294</a></th><td>   Name:  read</td></tr><tr><th id="L1295"><a href="#L1295">1295</a></th><td></td></tr><tr><th id="L1296"><a href="#L1296">1296</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1297"><a href="#L1297">1297</a></th><td></td></tr><tr><th id="L1298"><a href="#L1298">1298</a></th><td>   Purpose:  Shared calendar access level privilege.</td></tr><tr><th id="L1299"><a href="#L1299">1299</a></th><td></td></tr><tr><th id="L1300"><a href="#L1300">1300</a></th><td>   Description:  Indicates that the access level granted only allows</td></tr><tr><th id="L1301"><a href="#L1301">1301</a></th><td>      sharees to read data in the shared calendar (though they can write</td></tr><tr><th id="L1302"><a href="#L1302">1302</a></th><td>      per-user data (Section 5.5.4)).</td></tr><tr><th id="L1303"><a href="#L1303">1303</a></th><td></td></tr><tr><th id="L1304"><a href="#L1304">1304</a></th><td>   Definition:</td></tr><tr><th id="L1305"><a href="#L1305">1305</a></th><td></td></tr><tr><th id="L1306"><a href="#L1306">1306</a></th><td>   &lt;!ELEMENT read EMPTY&gt;</td></tr><tr><th id="L1307"><a href="#L1307">1307</a></th><td></td></tr><tr><th id="L1308"><a href="#L1308">1308</a></th><td>6.13.  CS:read-write</td></tr><tr><th id="L1309"><a href="#L1309">1309</a></th><td></td></tr><tr><th id="L1310"><a href="#L1310">1310</a></th><td>   Name:  read-write</td></tr><tr><th id="L1311"><a href="#L1311">1311</a></th><td></td></tr><tr><th id="L1312"><a href="#L1312">1312</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1313"><a href="#L1313">1313</a></th><td></td></tr><tr><th id="L1314"><a href="#L1314">1314</a></th><td>   Purpose:  Shared calendar access level privilege.</td></tr><tr><th id="L1315"><a href="#L1315">1315</a></th><td></td></tr><tr><th id="L1316"><a href="#L1316">1316</a></th><td>   Description:  Indicates that the access level granted allows sharees</td></tr><tr><th id="L1317"><a href="#L1317">1317</a></th><td>      to read and write all data in the shared calendar, with the</td></tr><tr><th id="L1318"><a href="#L1318">1318</a></th><td>      exception of components that would trigger scheduling.</td></tr><tr><th id="L1319"><a href="#L1319">1319</a></th><td></td></tr><tr><th id="L1320"><a href="#L1320">1320</a></th><td>   Definition:</td></tr><tr><th id="L1321"><a href="#L1321">1321</a></th><td></td></tr><tr><th id="L1322"><a href="#L1322">1322</a></th><td>   &lt;!ELEMENT read-write EMPTY&gt;</td></tr><tr><th id="L1323"><a href="#L1323">1323</a></th><td></td></tr><tr><th id="L1324"><a href="#L1324">1324</a></th><td>6.14.  CS:summary</td></tr><tr><th id="L1325"><a href="#L1325">1325</a></th><td></td></tr><tr><th id="L1326"><a href="#L1326">1326</a></th><td>   Name:  summary</td></tr><tr><th id="L1327"><a href="#L1327">1327</a></th><td></td></tr><tr><th id="L1328"><a href="#L1328">1328</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1329"><a href="#L1329">1329</a></th><td></td></tr><tr><th id="L1330"><a href="#L1330">1330</a></th><td>   Purpose:  Summary or title of shared calendar.</td></tr><tr><th id="L1331"><a href="#L1331">1331</a></th><td></td></tr><tr><th id="L1332"><a href="#L1332">1332</a></th><td>   Description:  A brief description of a shared calendar.  This can be</td></tr><tr><th id="L1333"><a href="#L1333">1333</a></th><td>      used by sharers to communicate the nature of a shared calendar to</td></tr><tr><th id="L1334"><a href="#L1334">1334</a></th><td>      sharees, as well as used by sharees to indicate back to the sharer</td></tr><tr><th id="L1335"><a href="#L1335">1335</a></th><td>      how each sharee is refering to the shared calendar.</td></tr><tr><th id="L1336"><a href="#L1336">1336</a></th><td></td></tr><tr><th id="L1337"><a href="#L1337">1337</a></th><td></td></tr><tr><th id="L1338"><a href="#L1338">1338</a></th><td></td></tr><tr><th id="L1339"><a href="#L1339">1339</a></th><td></td></tr><tr><th id="L1340"><a href="#L1340">1340</a></th><td></td></tr><tr><th id="L1341"><a href="#L1341">1341</a></th><td></td></tr><tr><th id="L1342"><a href="#L1342">1342</a></th><td></td></tr><tr><th id="L1343"><a href="#L1343">1343</a></th><td>Daboo &amp; York                                                   [Page 24]</td></tr><tr><th id="L1344"><a href="#L1344">1344</a></th><td></td></tr><tr><th id="L1345"><a href="#L1345">1345</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1346"><a href="#L1346">1346</a></th><td></td></tr><tr><th id="L1347"><a href="#L1347">1347</a></th><td></td></tr><tr><th id="L1348"><a href="#L1348">1348</a></th><td>   Definition:</td></tr><tr><th id="L1349"><a href="#L1349">1349</a></th><td></td></tr><tr><th id="L1350"><a href="#L1350">1350</a></th><td>   &lt;!ELEMENT summary (#PCDATA)&gt;</td></tr><tr><th id="L1351"><a href="#L1351">1351</a></th><td></td></tr><tr><th id="L1352"><a href="#L1352">1352</a></th><td>6.15.  CS:invite-notification</td></tr><tr><th id="L1353"><a href="#L1353">1353</a></th><td></td></tr><tr><th id="L1354"><a href="#L1354">1354</a></th><td>   Name:  invite-notification</td></tr><tr><th id="L1355"><a href="#L1355">1355</a></th><td></td></tr><tr><th id="L1356"><a href="#L1356">1356</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1357"><a href="#L1357">1357</a></th><td></td></tr><tr><th id="L1358"><a href="#L1358">1358</a></th><td>   Purpose:  A notification used as a shared calendar invite.</td></tr><tr><th id="L1359"><a href="#L1359">1359</a></th><td></td></tr><tr><th id="L1360"><a href="#L1360">1360</a></th><td>   Description:  Defines a notification message sent automatically by</td></tr><tr><th id="L1361"><a href="#L1361">1361</a></th><td>      the server when a sharer adds, changes or removes a sharee from a</td></tr><tr><th id="L1362"><a href="#L1362">1362</a></th><td>      shared calendar.  The DAV:href element specifies the calendar user</td></tr><tr><th id="L1363"><a href="#L1363">1363</a></th><td>      address of the sharee to whom the message was sent.</td></tr><tr><th id="L1364"><a href="#L1364">1364</a></th><td></td></tr><tr><th id="L1365"><a href="#L1365">1365</a></th><td>   Definition:</td></tr><tr><th id="L1366"><a href="#L1366">1366</a></th><td></td></tr><tr><th id="L1367"><a href="#L1367">1367</a></th><td>   &lt;!ELEMENT invite-notification (uid, DAV:href,</td></tr><tr><th id="L1368"><a href="#L1368">1368</a></th><td>                                  (invite-noresponse | invite-deleted |</td></tr><tr><th id="L1369"><a href="#L1369">1369</a></th><td>                                   invite-accepted | invite-declined),</td></tr><tr><th id="L1370"><a href="#L1370">1370</a></th><td>                                  access, hosturl, organizer, summary?&gt;</td></tr><tr><th id="L1371"><a href="#L1371">1371</a></th><td></td></tr><tr><th id="L1372"><a href="#L1372">1372</a></th><td>6.16.  CS:uid</td></tr><tr><th id="L1373"><a href="#L1373">1373</a></th><td></td></tr><tr><th id="L1374"><a href="#L1374">1374</a></th><td>   Name:  uid</td></tr><tr><th id="L1375"><a href="#L1375">1375</a></th><td></td></tr><tr><th id="L1376"><a href="#L1376">1376</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1377"><a href="#L1377">1377</a></th><td></td></tr><tr><th id="L1378"><a href="#L1378">1378</a></th><td>   Purpose:  Unique identifier.</td></tr><tr><th id="L1379"><a href="#L1379">1379</a></th><td></td></tr><tr><th id="L1380"><a href="#L1380">1380</a></th><td>   Description:  A unique identifier for an invitation to a shared</td></tr><tr><th id="L1381"><a href="#L1381">1381</a></th><td>      calendar.</td></tr><tr><th id="L1382"><a href="#L1382">1382</a></th><td></td></tr><tr><th id="L1383"><a href="#L1383">1383</a></th><td>   Definition:</td></tr><tr><th id="L1384"><a href="#L1384">1384</a></th><td></td></tr><tr><th id="L1385"><a href="#L1385">1385</a></th><td>   &lt;!ELEMENT uid (#PCDATA)&gt;</td></tr><tr><th id="L1386"><a href="#L1386">1386</a></th><td></td></tr><tr><th id="L1387"><a href="#L1387">1387</a></th><td>6.17.  CS:hosturl</td></tr><tr><th id="L1388"><a href="#L1388">1388</a></th><td></td></tr><tr><th id="L1389"><a href="#L1389">1389</a></th><td>   Name:  hosturl</td></tr><tr><th id="L1390"><a href="#L1390">1390</a></th><td></td></tr><tr><th id="L1391"><a href="#L1391">1391</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1392"><a href="#L1392">1392</a></th><td></td></tr><tr><th id="L1393"><a href="#L1393">1393</a></th><td></td></tr><tr><th id="L1394"><a href="#L1394">1394</a></th><td></td></tr><tr><th id="L1395"><a href="#L1395">1395</a></th><td></td></tr><tr><th id="L1396"><a href="#L1396">1396</a></th><td></td></tr><tr><th id="L1397"><a href="#L1397">1397</a></th><td></td></tr><tr><th id="L1398"><a href="#L1398">1398</a></th><td></td></tr><tr><th id="L1399"><a href="#L1399">1399</a></th><td>Daboo &amp; York                                                   [Page 25]</td></tr><tr><th id="L1400"><a href="#L1400">1400</a></th><td></td></tr><tr><th id="L1401"><a href="#L1401">1401</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1402"><a href="#L1402">1402</a></th><td></td></tr><tr><th id="L1403"><a href="#L1403">1403</a></th><td></td></tr><tr><th id="L1404"><a href="#L1404">1404</a></th><td>   Purpose:  Identifies the source URL of a shared calendar.</td></tr><tr><th id="L1405"><a href="#L1405">1405</a></th><td></td></tr><tr><th id="L1406"><a href="#L1406">1406</a></th><td>   Description:  Contains a single DAV:href element that refers to the</td></tr><tr><th id="L1407"><a href="#L1407">1407</a></th><td>      source of a shared calendar - i.e., the URL of the calendar shared</td></tr><tr><th id="L1408"><a href="#L1408">1408</a></th><td>      by the sharer.</td></tr><tr><th id="L1409"><a href="#L1409">1409</a></th><td></td></tr><tr><th id="L1410"><a href="#L1410">1410</a></th><td>   Definition:</td></tr><tr><th id="L1411"><a href="#L1411">1411</a></th><td></td></tr><tr><th id="L1412"><a href="#L1412">1412</a></th><td>   &lt;!ELEMENT hosturl (DAV:href)&gt;</td></tr><tr><th id="L1413"><a href="#L1413">1413</a></th><td></td></tr><tr><th id="L1414"><a href="#L1414">1414</a></th><td>6.18.  CS:organizer</td></tr><tr><th id="L1415"><a href="#L1415">1415</a></th><td></td></tr><tr><th id="L1416"><a href="#L1416">1416</a></th><td>   Name:  organizer</td></tr><tr><th id="L1417"><a href="#L1417">1417</a></th><td></td></tr><tr><th id="L1418"><a href="#L1418">1418</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1419"><a href="#L1419">1419</a></th><td></td></tr><tr><th id="L1420"><a href="#L1420">1420</a></th><td>   Purpose:  Identifies the sharer of a shared calendar.</td></tr><tr><th id="L1421"><a href="#L1421">1421</a></th><td></td></tr><tr><th id="L1422"><a href="#L1422">1422</a></th><td>   Description:  Contains a single DAV:href element that identifies the</td></tr><tr><th id="L1423"><a href="#L1423">1423</a></th><td>      calendar user address of the sharer of a shared calendar, and an</td></tr><tr><th id="L1424"><a href="#L1424">1424</a></th><td>      optional CS:common-name element that matches that user.</td></tr><tr><th id="L1425"><a href="#L1425">1425</a></th><td></td></tr><tr><th id="L1426"><a href="#L1426">1426</a></th><td>   Definition:</td></tr><tr><th id="L1427"><a href="#L1427">1427</a></th><td></td></tr><tr><th id="L1428"><a href="#L1428">1428</a></th><td>   &lt;!ELEMENT organizer (DAV:href, CS:common-name?)&gt;</td></tr><tr><th id="L1429"><a href="#L1429">1429</a></th><td></td></tr><tr><th id="L1430"><a href="#L1430">1430</a></th><td>6.19.  CS:common-name</td></tr><tr><th id="L1431"><a href="#L1431">1431</a></th><td></td></tr><tr><th id="L1432"><a href="#L1432">1432</a></th><td>   Name:  common-name</td></tr><tr><th id="L1433"><a href="#L1433">1433</a></th><td></td></tr><tr><th id="L1434"><a href="#L1434">1434</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1435"><a href="#L1435">1435</a></th><td></td></tr><tr><th id="L1436"><a href="#L1436">1436</a></th><td>   Purpose:  The common name of a sharer or sharee.</td></tr><tr><th id="L1437"><a href="#L1437">1437</a></th><td></td></tr><tr><th id="L1438"><a href="#L1438">1438</a></th><td>   Description:  The common name is optionally provided by a client when</td></tr><tr><th id="L1439"><a href="#L1439">1439</a></th><td>      adding a sharee and optionally included (or modified) by the</td></tr><tr><th id="L1440"><a href="#L1440">1440</a></th><td>      server when returning results for sharers or sharees and in</td></tr><tr><th id="L1441"><a href="#L1441">1441</a></th><td>      notifications.</td></tr><tr><th id="L1442"><a href="#L1442">1442</a></th><td></td></tr><tr><th id="L1443"><a href="#L1443">1443</a></th><td>   Definition:</td></tr><tr><th id="L1444"><a href="#L1444">1444</a></th><td></td></tr><tr><th id="L1445"><a href="#L1445">1445</a></th><td>   &lt;!ELEMENT common-name (#PCDATA)&gt;</td></tr><tr><th id="L1446"><a href="#L1446">1446</a></th><td></td></tr><tr><th id="L1447"><a href="#L1447">1447</a></th><td>6.20.  CS:invite-reply</td></tr><tr><th id="L1448"><a href="#L1448">1448</a></th><td></td></tr><tr><th id="L1449"><a href="#L1449">1449</a></th><td></td></tr><tr><th id="L1450"><a href="#L1450">1450</a></th><td></td></tr><tr><th id="L1451"><a href="#L1451">1451</a></th><td></td></tr><tr><th id="L1452"><a href="#L1452">1452</a></th><td></td></tr><tr><th id="L1453"><a href="#L1453">1453</a></th><td></td></tr><tr><th id="L1454"><a href="#L1454">1454</a></th><td></td></tr><tr><th id="L1455"><a href="#L1455">1455</a></th><td>Daboo &amp; York                                                   [Page 26]</td></tr><tr><th id="L1456"><a href="#L1456">1456</a></th><td></td></tr><tr><th id="L1457"><a href="#L1457">1457</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1458"><a href="#L1458">1458</a></th><td></td></tr><tr><th id="L1459"><a href="#L1459">1459</a></th><td></td></tr><tr><th id="L1460"><a href="#L1460">1460</a></th><td>   Name:  invite-reply</td></tr><tr><th id="L1461"><a href="#L1461">1461</a></th><td></td></tr><tr><th id="L1462"><a href="#L1462">1462</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1463"><a href="#L1463">1463</a></th><td></td></tr><tr><th id="L1464"><a href="#L1464">1464</a></th><td>   Purpose:  A notification used as a reply to a shared calendar invite.</td></tr><tr><th id="L1465"><a href="#L1465">1465</a></th><td></td></tr><tr><th id="L1466"><a href="#L1466">1466</a></th><td>   Description:  Defines a notification message sent automatically by</td></tr><tr><th id="L1467"><a href="#L1467">1467</a></th><td>      the server when a sharee replies to a shared calendar invite.  The</td></tr><tr><th id="L1468"><a href="#L1468">1468</a></th><td>      DAV:href element specifies the calendar user address of the sharee</td></tr><tr><th id="L1469"><a href="#L1469">1469</a></th><td>      to whom the original invite message was sent.</td></tr><tr><th id="L1470"><a href="#L1470">1470</a></th><td></td></tr><tr><th id="L1471"><a href="#L1471">1471</a></th><td>   Definition:</td></tr><tr><th id="L1472"><a href="#L1472">1472</a></th><td></td></tr><tr><th id="L1473"><a href="#L1473">1473</a></th><td>   &lt;!ELEMENT invite-reply (DAV:href,</td></tr><tr><th id="L1474"><a href="#L1474">1474</a></th><td>                           (invite-accepted | invite-declined),</td></tr><tr><th id="L1475"><a href="#L1475">1475</a></th><td>                           hosturl, in-reply-to, summary?&gt;</td></tr><tr><th id="L1476"><a href="#L1476">1476</a></th><td></td></tr><tr><th id="L1477"><a href="#L1477">1477</a></th><td>6.21.  CS:in-reply-to</td></tr><tr><th id="L1478"><a href="#L1478">1478</a></th><td></td></tr><tr><th id="L1479"><a href="#L1479">1479</a></th><td>   Name:  in-reply-to</td></tr><tr><th id="L1480"><a href="#L1480">1480</a></th><td></td></tr><tr><th id="L1481"><a href="#L1481">1481</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1482"><a href="#L1482">1482</a></th><td></td></tr><tr><th id="L1483"><a href="#L1483">1483</a></th><td>   Purpose:  Unique identifier.</td></tr><tr><th id="L1484"><a href="#L1484">1484</a></th><td></td></tr><tr><th id="L1485"><a href="#L1485">1485</a></th><td>   Description:  Specifies the unique identifier of the inviate message</td></tr><tr><th id="L1486"><a href="#L1486">1486</a></th><td>      that this notification message is a reply to.</td></tr><tr><th id="L1487"><a href="#L1487">1487</a></th><td></td></tr><tr><th id="L1488"><a href="#L1488">1488</a></th><td>   Definition:</td></tr><tr><th id="L1489"><a href="#L1489">1489</a></th><td></td></tr><tr><th id="L1490"><a href="#L1490">1490</a></th><td>   &lt;!ELEMENT in-reply-to (#PCDATA)&gt;</td></tr><tr><th id="L1491"><a href="#L1491">1491</a></th><td></td></tr><tr><th id="L1492"><a href="#L1492">1492</a></th><td>6.22.  CS:notification</td></tr><tr><th id="L1493"><a href="#L1493">1493</a></th><td></td></tr><tr><th id="L1494"><a href="#L1494">1494</a></th><td>   Name:  notification</td></tr><tr><th id="L1495"><a href="#L1495">1495</a></th><td></td></tr><tr><th id="L1496"><a href="#L1496">1496</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1497"><a href="#L1497">1497</a></th><td></td></tr><tr><th id="L1498"><a href="#L1498">1498</a></th><td>   Purpose:  Notification message root element.</td></tr><tr><th id="L1499"><a href="#L1499">1499</a></th><td></td></tr><tr><th id="L1500"><a href="#L1500">1500</a></th><td>   Description:  The root element used in notification resources.</td></tr><tr><th id="L1501"><a href="#L1501">1501</a></th><td></td></tr><tr><th id="L1502"><a href="#L1502">1502</a></th><td>   Definition:</td></tr><tr><th id="L1503"><a href="#L1503">1503</a></th><td></td></tr><tr><th id="L1504"><a href="#L1504">1504</a></th><td>   &lt;!ELEMENT notification (CS:dtstamp,</td></tr><tr><th id="L1505"><a href="#L1505">1505</a></th><td>                           (invite-notification | invite-reply)&gt;</td></tr><tr><th id="L1506"><a href="#L1506">1506</a></th><td>   &lt;!-- Any notification type element can appear after CS:dtstamp,</td></tr><tr><th id="L1507"><a href="#L1507">1507</a></th><td>        this specification defines only the two listed above --&gt;</td></tr><tr><th id="L1508"><a href="#L1508">1508</a></th><td></td></tr><tr><th id="L1509"><a href="#L1509">1509</a></th><td></td></tr><tr><th id="L1510"><a href="#L1510">1510</a></th><td></td></tr><tr><th id="L1511"><a href="#L1511">1511</a></th><td>Daboo &amp; York                                                   [Page 27]</td></tr><tr><th id="L1512"><a href="#L1512">1512</a></th><td></td></tr><tr><th id="L1513"><a href="#L1513">1513</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1514"><a href="#L1514">1514</a></th><td></td></tr><tr><th id="L1515"><a href="#L1515">1515</a></th><td></td></tr><tr><th id="L1516"><a href="#L1516">1516</a></th><td>6.23.  CS:dtstamp</td></tr><tr><th id="L1517"><a href="#L1517">1517</a></th><td></td></tr><tr><th id="L1518"><a href="#L1518">1518</a></th><td>   Name:  dtstamp</td></tr><tr><th id="L1519"><a href="#L1519">1519</a></th><td></td></tr><tr><th id="L1520"><a href="#L1520">1520</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1521"><a href="#L1521">1521</a></th><td></td></tr><tr><th id="L1522"><a href="#L1522">1522</a></th><td>   Purpose:  Date-time stamp.</td></tr><tr><th id="L1523"><a href="#L1523">1523</a></th><td></td></tr><tr><th id="L1524"><a href="#L1524">1524</a></th><td>   Description:  Contains the date-time stamp corresponding to the</td></tr><tr><th id="L1525"><a href="#L1525">1525</a></th><td>      creation of a notification message.</td></tr><tr><th id="L1526"><a href="#L1526">1526</a></th><td></td></tr><tr><th id="L1527"><a href="#L1527">1527</a></th><td>   Definition:</td></tr><tr><th id="L1528"><a href="#L1528">1528</a></th><td></td></tr><tr><th id="L1529"><a href="#L1529">1529</a></th><td>   &lt;!ELEMENT dtstamp (#PCDATA)&gt;</td></tr><tr><th id="L1530"><a href="#L1530">1530</a></th><td></td></tr><tr><th id="L1531"><a href="#L1531">1531</a></th><td>6.24.  CS:share</td></tr><tr><th id="L1532"><a href="#L1532">1532</a></th><td></td></tr><tr><th id="L1533"><a href="#L1533">1533</a></th><td>   Name:  share</td></tr><tr><th id="L1534"><a href="#L1534">1534</a></th><td></td></tr><tr><th id="L1535"><a href="#L1535">1535</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1536"><a href="#L1536">1536</a></th><td></td></tr><tr><th id="L1537"><a href="#L1537">1537</a></th><td>   Purpose:  Describes changes to sharees.</td></tr><tr><th id="L1538"><a href="#L1538">1538</a></th><td></td></tr><tr><th id="L1539"><a href="#L1539">1539</a></th><td>   Description:  The root element used in POST requests on calendars by</td></tr><tr><th id="L1540"><a href="#L1540">1540</a></th><td>      sharers to manipulate the sharee list of a shared calendar.</td></tr><tr><th id="L1541"><a href="#L1541">1541</a></th><td></td></tr><tr><th id="L1542"><a href="#L1542">1542</a></th><td>   Definition:</td></tr><tr><th id="L1543"><a href="#L1543">1543</a></th><td></td></tr><tr><th id="L1544"><a href="#L1544">1544</a></th><td>   &lt;!ELEMENT share (set | remove)*&gt;</td></tr><tr><th id="L1545"><a href="#L1545">1545</a></th><td></td></tr><tr><th id="L1546"><a href="#L1546">1546</a></th><td>6.25.  CS:set</td></tr><tr><th id="L1547"><a href="#L1547">1547</a></th><td></td></tr><tr><th id="L1548"><a href="#L1548">1548</a></th><td>   Name:  set</td></tr><tr><th id="L1549"><a href="#L1549">1549</a></th><td></td></tr><tr><th id="L1550"><a href="#L1550">1550</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1551"><a href="#L1551">1551</a></th><td></td></tr><tr><th id="L1552"><a href="#L1552">1552</a></th><td>   Purpose:  Sets access for a sharee.</td></tr><tr><th id="L1553"><a href="#L1553">1553</a></th><td></td></tr><tr><th id="L1554"><a href="#L1554">1554</a></th><td>   Description:  Used to add or modify sharee access to a shared</td></tr><tr><th id="L1555"><a href="#L1555">1555</a></th><td>      calendar.  The specified access to the shared calendar is given to</td></tr><tr><th id="L1556"><a href="#L1556">1556</a></th><td>      the sharee.</td></tr><tr><th id="L1557"><a href="#L1557">1557</a></th><td></td></tr><tr><th id="L1558"><a href="#L1558">1558</a></th><td>   Definition:</td></tr><tr><th id="L1559"><a href="#L1559">1559</a></th><td></td></tr><tr><th id="L1560"><a href="#L1560">1560</a></th><td>   &lt;!ELEMENT set (DAV:href, common-name?, summary?,</td></tr><tr><th id="L1561"><a href="#L1561">1561</a></th><td>                  (read | read-write)&gt;</td></tr><tr><th id="L1562"><a href="#L1562">1562</a></th><td></td></tr><tr><th id="L1563"><a href="#L1563">1563</a></th><td></td></tr><tr><th id="L1564"><a href="#L1564">1564</a></th><td></td></tr><tr><th id="L1565"><a href="#L1565">1565</a></th><td></td></tr><tr><th id="L1566"><a href="#L1566">1566</a></th><td></td></tr><tr><th id="L1567"><a href="#L1567">1567</a></th><td>Daboo &amp; York                                                   [Page 28]</td></tr><tr><th id="L1568"><a href="#L1568">1568</a></th><td></td></tr><tr><th id="L1569"><a href="#L1569">1569</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1570"><a href="#L1570">1570</a></th><td></td></tr><tr><th id="L1571"><a href="#L1571">1571</a></th><td></td></tr><tr><th id="L1572"><a href="#L1572">1572</a></th><td>6.26.  CS:remove</td></tr><tr><th id="L1573"><a href="#L1573">1573</a></th><td></td></tr><tr><th id="L1574"><a href="#L1574">1574</a></th><td>   Name:  remove</td></tr><tr><th id="L1575"><a href="#L1575">1575</a></th><td></td></tr><tr><th id="L1576"><a href="#L1576">1576</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1577"><a href="#L1577">1577</a></th><td></td></tr><tr><th id="L1578"><a href="#L1578">1578</a></th><td>   Purpose:  Removes access for a sharee.</td></tr><tr><th id="L1579"><a href="#L1579">1579</a></th><td></td></tr><tr><th id="L1580"><a href="#L1580">1580</a></th><td>   Description:  Used to remove sharee access to a shared calendar.  All</td></tr><tr><th id="L1581"><a href="#L1581">1581</a></th><td>      access to the shared calendar is removed for the sharee.</td></tr><tr><th id="L1582"><a href="#L1582">1582</a></th><td></td></tr><tr><th id="L1583"><a href="#L1583">1583</a></th><td>   Definition:</td></tr><tr><th id="L1584"><a href="#L1584">1584</a></th><td></td></tr><tr><th id="L1585"><a href="#L1585">1585</a></th><td>   &lt;!ELEMENT remove (DAV:href)&gt;</td></tr><tr><th id="L1586"><a href="#L1586">1586</a></th><td></td></tr><tr><th id="L1587"><a href="#L1587">1587</a></th><td>6.27.  CS:shared-as</td></tr><tr><th id="L1588"><a href="#L1588">1588</a></th><td></td></tr><tr><th id="L1589"><a href="#L1589">1589</a></th><td>   Name:  shared-as</td></tr><tr><th id="L1590"><a href="#L1590">1590</a></th><td></td></tr><tr><th id="L1591"><a href="#L1591">1591</a></th><td>   Namespace:  http://calendarserver.org/ns/</td></tr><tr><th id="L1592"><a href="#L1592">1592</a></th><td></td></tr><tr><th id="L1593"><a href="#L1593">1593</a></th><td>   Purpose:  Identifies a shared calendar.</td></tr><tr><th id="L1594"><a href="#L1594">1594</a></th><td></td></tr><tr><th id="L1595"><a href="#L1595">1595</a></th><td>   Description:  Returned by the server for a POST request by a sharee</td></tr><tr><th id="L1596"><a href="#L1596">1596</a></th><td>      accepting a shared calendar invite.  The DAV:href element</td></tr><tr><th id="L1597"><a href="#L1597">1597</a></th><td>      specifies the URI of the calendar created by the acceptance.</td></tr><tr><th id="L1598"><a href="#L1598">1598</a></th><td></td></tr><tr><th id="L1599"><a href="#L1599">1599</a></th><td>   Definition:</td></tr><tr><th id="L1600"><a href="#L1600">1600</a></th><td></td></tr><tr><th id="L1601"><a href="#L1601">1601</a></th><td>   &lt;!ELEMENT shared-as (DAV:href)&gt;</td></tr><tr><th id="L1602"><a href="#L1602">1602</a></th><td></td></tr><tr><th id="L1603"><a href="#L1603">1603</a></th><td></td></tr><tr><th id="L1604"><a href="#L1604">1604</a></th><td>7.  Security Considerations</td></tr><tr><th id="L1605"><a href="#L1605">1605</a></th><td></td></tr><tr><th id="L1606"><a href="#L1606">1606</a></th><td>   Per-user WebDAV properties and iCalendar data MUST only be accessible</td></tr><tr><th id="L1607"><a href="#L1607">1607</a></th><td>   by the user that created them.</td></tr><tr><th id="L1608"><a href="#L1608">1608</a></th><td></td></tr><tr><th id="L1609"><a href="#L1609">1609</a></th><td>   Alarms set by the sharer SHOULD NOT be propagated to sharees by</td></tr><tr><th id="L1610"><a href="#L1610">1610</a></th><td>   default.  Clients SHOULD NOT automatically enable triggering of</td></tr><tr><th id="L1611"><a href="#L1611">1611</a></th><td>   alarms on shared calendars that have just been accepted without</td></tr><tr><th id="L1612"><a href="#L1612">1612</a></th><td>   confirmation by the user.</td></tr><tr><th id="L1613"><a href="#L1613">1613</a></th><td></td></tr><tr><th id="L1614"><a href="#L1614">1614</a></th><td>   TBD</td></tr><tr><th id="L1615"><a href="#L1615">1615</a></th><td></td></tr><tr><th id="L1616"><a href="#L1616">1616</a></th><td></td></tr><tr><th id="L1617"><a href="#L1617">1617</a></th><td>8.  IANA Considerations</td></tr><tr><th id="L1618"><a href="#L1618">1618</a></th><td></td></tr><tr><th id="L1619"><a href="#L1619">1619</a></th><td>   This document does not require any actions on the part of IANA.</td></tr><tr><th id="L1620"><a href="#L1620">1620</a></th><td></td></tr><tr><th id="L1621"><a href="#L1621">1621</a></th><td></td></tr><tr><th id="L1622"><a href="#L1622">1622</a></th><td></td></tr><tr><th id="L1623"><a href="#L1623">1623</a></th><td>Daboo &amp; York                                                   [Page 29]</td></tr><tr><th id="L1624"><a href="#L1624">1624</a></th><td></td></tr><tr><th id="L1625"><a href="#L1625">1625</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1626"><a href="#L1626">1626</a></th><td></td></tr><tr><th id="L1627"><a href="#L1627">1627</a></th><td></td></tr><tr><th id="L1628"><a href="#L1628">1628</a></th><td>9.  Acknowledgments</td></tr><tr><th id="L1629"><a href="#L1629">1629</a></th><td></td></tr><tr><th id="L1630"><a href="#L1630">1630</a></th><td>   This specification is the result of discussions between the Apple</td></tr><tr><th id="L1631"><a href="#L1631">1631</a></th><td>   calendar server and client teams.</td></tr><tr><th id="L1632"><a href="#L1632">1632</a></th><td></td></tr><tr><th id="L1633"><a href="#L1633">1633</a></th><td></td></tr><tr><th id="L1634"><a href="#L1634">1634</a></th><td>10.  Normative References</td></tr><tr><th id="L1635"><a href="#L1635">1635</a></th><td></td></tr><tr><th id="L1636"><a href="#L1636">1636</a></th><td>   [I-D.desruisseaux-caldav-sched]</td></tr><tr><th id="L1637"><a href="#L1637">1637</a></th><td>              Daboo, C. and B. Desruisseaux, "CalDAV Scheduling</td></tr><tr><th id="L1638"><a href="#L1638">1638</a></th><td>              Extensions to WebDAV", draft-desruisseaux-caldav-sched-08</td></tr><tr><th id="L1639"><a href="#L1639">1639</a></th><td>              (work in progress), August 2009.</td></tr><tr><th id="L1640"><a href="#L1640">1640</a></th><td></td></tr><tr><th id="L1641"><a href="#L1641">1641</a></th><td>   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate</td></tr><tr><th id="L1642"><a href="#L1642">1642</a></th><td>              Requirement Levels", BCP 14, RFC 2119, March 1997.</td></tr><tr><th id="L1643"><a href="#L1643">1643</a></th><td></td></tr><tr><th id="L1644"><a href="#L1644">1644</a></th><td>   [RFC3744]  Clemm, G., Reschke, J., Sedlar, E., and J. Whitehead, "Web</td></tr><tr><th id="L1645"><a href="#L1645">1645</a></th><td>              Distributed Authoring and Versioning (WebDAV)</td></tr><tr><th id="L1646"><a href="#L1646">1646</a></th><td>              Access Control Protocol", RFC 3744, May 2004.</td></tr><tr><th id="L1647"><a href="#L1647">1647</a></th><td></td></tr><tr><th id="L1648"><a href="#L1648">1648</a></th><td>   [RFC4791]  Daboo, C., Desruisseaux, B., and L. Dusseault,</td></tr><tr><th id="L1649"><a href="#L1649">1649</a></th><td>              "Calendaring Extensions to WebDAV (CalDAV)", RFC 4791,</td></tr><tr><th id="L1650"><a href="#L1650">1650</a></th><td>              March 2007.</td></tr><tr><th id="L1651"><a href="#L1651">1651</a></th><td></td></tr><tr><th id="L1652"><a href="#L1652">1652</a></th><td>   [RFC4918]  Dusseault, L., "HTTP Extensions for Web Distributed</td></tr><tr><th id="L1653"><a href="#L1653">1653</a></th><td>              Authoring and Versioning (WebDAV)", RFC 4918, June 2007.</td></tr><tr><th id="L1654"><a href="#L1654">1654</a></th><td></td></tr><tr><th id="L1655"><a href="#L1655">1655</a></th><td>   [RFC5689]  Daboo, C., "Extended MKCOL for Web Distributed Authoring</td></tr><tr><th id="L1656"><a href="#L1656">1656</a></th><td>              and Versioning (WebDAV)", RFC 5689, September 2009.</td></tr><tr><th id="L1657"><a href="#L1657">1657</a></th><td></td></tr><tr><th id="L1658"><a href="#L1658">1658</a></th><td></td></tr><tr><th id="L1659"><a href="#L1659">1659</a></th><td>Appendix A.  Change History</td></tr><tr><th id="L1660"><a href="#L1660">1660</a></th><td></td></tr><tr><th id="L1661"><a href="#L1661">1661</a></th><td>   Changes in -02:</td></tr><tr><th id="L1662"><a href="#L1662">1662</a></th><td></td></tr><tr><th id="L1663"><a href="#L1663">1663</a></th><td>   1.  Removed read-write-shared access mode - now a server that does</td></tr><tr><th id="L1664"><a href="#L1664">1664</a></th><td>       not support shared scheduling should advertise that via a DAV</td></tr><tr><th id="L1665"><a href="#L1665">1665</a></th><td>       header</td></tr><tr><th id="L1666"><a href="#L1666">1666</a></th><td></td></tr><tr><th id="L1667"><a href="#L1667">1667</a></th><td></td></tr><tr><th id="L1668"><a href="#L1668">1668</a></th><td>Appendix B.  Change History</td></tr><tr><th id="L1669"><a href="#L1669">1669</a></th><td></td></tr><tr><th id="L1670"><a href="#L1670">1670</a></th><td>   Changes in -01:</td></tr><tr><th id="L1671"><a href="#L1671">1671</a></th><td></td></tr><tr><th id="L1672"><a href="#L1672">1672</a></th><td>   1.  Added CS:shared-url property</td></tr><tr><th id="L1673"><a href="#L1673">1673</a></th><td></td></tr><tr><th id="L1674"><a href="#L1674">1674</a></th><td>   2.  Clarified that notifications are only required to be sent when</td></tr><tr><th id="L1675"><a href="#L1675">1675</a></th><td>       sharee status is changed</td></tr><tr><th id="L1676"><a href="#L1676">1676</a></th><td></td></tr><tr><th id="L1677"><a href="#L1677">1677</a></th><td></td></tr><tr><th id="L1678"><a href="#L1678">1678</a></th><td></td></tr><tr><th id="L1679"><a href="#L1679">1679</a></th><td>Daboo &amp; York                                                   [Page 30]</td></tr><tr><th id="L1680"><a href="#L1680">1680</a></th><td></td></tr><tr><th id="L1681"><a href="#L1681">1681</a></th><td>                      CalDAV Sharing and Publishing         October 2010</td></tr><tr><th id="L1682"><a href="#L1682">1682</a></th><td></td></tr><tr><th id="L1683"><a href="#L1683">1683</a></th><td></td></tr><tr><th id="L1684"><a href="#L1684">1684</a></th><td>Authors' Addresses</td></tr><tr><th id="L1685"><a href="#L1685">1685</a></th><td></td></tr><tr><th id="L1686"><a href="#L1686">1686</a></th><td>   Cyrus Daboo</td></tr><tr><th id="L1687"><a href="#L1687">1687</a></th><td>   Apple Inc.</td></tr><tr><th id="L1688"><a href="#L1688">1688</a></th><td>   1 Infinite Loop</td></tr><tr><th id="L1689"><a href="#L1689">1689</a></th><td>   Cupertino, CA  95014</td></tr><tr><th id="L1690"><a href="#L1690">1690</a></th><td>   USA</td></tr><tr><th id="L1691"><a href="#L1691">1691</a></th><td></td></tr><tr><th id="L1692"><a href="#L1692">1692</a></th><td>   Email: cyrus@daboo.name</td></tr><tr><th id="L1693"><a href="#L1693">1693</a></th><td>   URI:   http://www.apple.com/</td></tr><tr><th id="L1694"><a href="#L1694">1694</a></th><td></td></tr><tr><th id="L1695"><a href="#L1695">1695</a></th><td></td></tr><tr><th id="L1696"><a href="#L1696">1696</a></th><td>   Eric York</td></tr><tr><th id="L1697"><a href="#L1697">1697</a></th><td>   Apple Inc.</td></tr><tr><th id="L1698"><a href="#L1698">1698</a></th><td>   1 Infinite Loop</td></tr><tr><th id="L1699"><a href="#L1699">1699</a></th><td>   Cupertino, CA  95014</td></tr><tr><th id="L1700"><a href="#L1700">1700</a></th><td>   USA</td></tr><tr><th id="L1701"><a href="#L1701">1701</a></th><td></td></tr><tr><th id="L1702"><a href="#L1702">1702</a></th><td>   Email:</td></tr><tr><th id="L1703"><a href="#L1703">1703</a></th><td>   URI:   http://www.apple.com/</td></tr><tr><th id="L1704"><a href="#L1704">1704</a></th><td></td></tr><tr><th id="L1705"><a href="#L1705">1705</a></th><td></td></tr><tr><th id="L1706"><a href="#L1706">1706</a></th><td></td></tr><tr><th id="L1707"><a href="#L1707">1707</a></th><td></td></tr><tr><th id="L1708"><a href="#L1708">1708</a></th><td></td></tr><tr><th id="L1709"><a href="#L1709">1709</a></th><td></td></tr><tr><th id="L1710"><a href="#L1710">1710</a></th><td></td></tr><tr><th id="L1711"><a href="#L1711">1711</a></th><td></td></tr><tr><th id="L1712"><a href="#L1712">1712</a></th><td></td></tr><tr><th id="L1713"><a href="#L1713">1713</a></th><td></td></tr><tr><th id="L1714"><a href="#L1714">1714</a></th><td></td></tr><tr><th id="L1715"><a href="#L1715">1715</a></th><td></td></tr><tr><th id="L1716"><a href="#L1716">1716</a></th><td></td></tr><tr><th id="L1717"><a href="#L1717">1717</a></th><td></td></tr><tr><th id="L1718"><a href="#L1718">1718</a></th><td></td></tr><tr><th id="L1719"><a href="#L1719">1719</a></th><td></td></tr><tr><th id="L1720"><a href="#L1720">1720</a></th><td></td></tr><tr><th id="L1721"><a href="#L1721">1721</a></th><td></td></tr><tr><th id="L1722"><a href="#L1722">1722</a></th><td></td></tr><tr><th id="L1723"><a href="#L1723">1723</a></th><td></td></tr><tr><th id="L1724"><a href="#L1724">1724</a></th><td></td></tr><tr><th id="L1725"><a href="#L1725">1725</a></th><td></td></tr><tr><th id="L1726"><a href="#L1726">1726</a></th><td></td></tr><tr><th id="L1727"><a href="#L1727">1727</a></th><td></td></tr><tr><th id="L1728"><a href="#L1728">1728</a></th><td></td></tr><tr><th id="L1729"><a href="#L1729">1729</a></th><td></td></tr><tr><th id="L1730"><a href="#L1730">1730</a></th><td></td></tr><tr><th id="L1731"><a href="#L1731">1731</a></th><td></td></tr><tr><th id="L1732"><a href="#L1732">1732</a></th><td></td></tr><tr><th id="L1733"><a href="#L1733">1733</a></th><td></td></tr><tr><th id="L1734"><a href="#L1734">1734</a></th><td></td></tr><tr><th id="L1735"><a href="#L1735">1735</a></th><td>Daboo &amp; York                                                   [Page 31]</td></tr><tr><th id="L1736"><a href="#L1736">1736</a></th><td></td></tr></tbody></table>
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