121 lines
3.9 KiB
PHP
121 lines
3.9 KiB
PHP
<?php
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/**
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* Name: Libravatar Support
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* Description: If there is no avatar image for a new user or contact this plugin will look for one at Libravatar. Please disable Gravatar addon if you use this one. (requires PHP >= 5.3)
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* Version: 1.1
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* Author: Klaus Weidenbach <http://friendica.dszdw.net/profile/klaus>
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*/
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/**
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* Installs the plugin hook
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*/
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function libravatar_install() {
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if (! version_compare(PHP_VERSION, '5.3.0', '>=')) {
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info(t('Could NOT install Libravatar successfully.<br>It requires PHP >= 5.3') .EOL);
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// avoid registering the hook
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return false;
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}
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register_hook('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup');
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logger("registered libravatar in avatar_lookup hook");
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}
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/**
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* Removes the plugin hook
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*/
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function libravatar_uninstall() {
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unregister_hook('avatar_lookup', 'addon/libravatar/libravatar.php', 'libravatar_lookup');
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logger("unregistered libravatar in avatar_lookup hook");
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}
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/**
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* Looks up the avatar at Libravatar and returns the URL.
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*
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* @param $a array
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* @param &$b array
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*/
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function libravatar_lookup($a, &$b) {
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$default_avatar = get_config('libravatar', 'default_img');
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if (! $default_avatar) {
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// if not set, look up if there was one from the gravatar addon
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$default_avatar = get_config('gravatar', 'default_img');
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// setting default avatar if nothing configured
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if (! $default_avatar)
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$default_avatar = 'identicon'; // default image will be a random pattern
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}
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require_once 'Services/Libravatar.php';
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$libravatar = new Services_Libravatar();
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$libravatar->setSize($b['size']);
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$libravatar->setDefault($default_avatar);
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$avatar_url = $libravatar->getUrl($b['email']);
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$b['url'] = $avatar_url;
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$b['success'] = true;
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}
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/**
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* Display admin settings for this addon
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*/
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function libravatar_plugin_admin (&$a, &$o) {
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$t = get_markup_template( "admin.tpl", "addon/libravatar" );
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$default_avatar = get_config('libravatar', 'default_img');
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// set default values for first configuration
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if(! $default_avatar)
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$default_avatar = 'identicon'; // pseudo-random geometric pattern based on email hash
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// Available options for the select boxes
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$default_avatars = array(
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'mm' => t('generic profile image'),
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'identicon' => t('random geometric pattern'),
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'monsterid' => t('monster face'),
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'wavatar' => t('computer generated face'),
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'retro' => t('retro arcade style face'),
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);
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// Show warning if PHP version is too old
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if (! version_compare(PHP_VERSION, '5.3.0', '>=')) {
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$o = '<h5>' .t('Warning') .'</h5><p>';
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$o .= sprintf(t('Your PHP version %s is lower than the required PHP >= 5.3.'), PHP_VERSION);
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$o .= '<br>' .t('This addon is not functional on your server.') .'<p><br>';
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return;
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}
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// Libravatar falls back to gravatar, so show warning about gravatar addon if enabled
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$r = q("SELECT * FROM `addon` WHERE `name` = '%s' and `installed` = 1",
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dbesc('gravatar')
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);
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if (count($r)) {
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$o = '<h5>' .t('Information') .'</h5><p>' .t('Gravatar addon is installed. Please disable the Gravatar addon.<br>The Libravatar addon will fall back to Gravatar if nothing was found at Libravatar.') .'</p><br><br>';
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}
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// output Libravatar settings
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$o .= '<input type="hidden" name="form_security_token" value="' .get_form_security_token("libravatarsave") .'">';
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$includes = array(
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'$field_input' => 'field_input.tpl',
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);
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$includes = set_template_includes($a->theme['template_engine'], $includes);
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$o .= replace_macros( $t, $includes + array(
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'$submit' => t('Submit'),
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'$default_avatar' => array('avatar', t('Default avatar image'), $default_avatar, t('Select default avatar image if none was found. See README'), $default_avatars),
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));
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}
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/**
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* Save admin settings
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*/
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function libravatar_plugin_admin_post (&$a) {
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check_form_security_token('libravatarrsave');
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$default_avatar = ((x($_POST, 'avatar')) ? notags(trim($_POST['avatar'])) : 'identicon');
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set_config('libravatar', 'default_img', $default_avatar);
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info(t('Libravatar settings updated.') .EOL);
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}
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?>
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