friendica/mod/search.php

242 lines
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PHP
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<?php
require_once("include/bbcode.php");
require_once('include/security.php');
require_once('include/conversation.php');
require_once('mod/dirfind.php');
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function search_saved_searches() {
$o = '';
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if(! feature_enabled(local_user(),'savedsearch'))
return $o;
$r = q("SELECT `id`,`term` FROM `search` WHERE `uid` = %d",
intval(local_user())
);
if(count($r)) {
$saved = array();
foreach($r as $rr) {
$saved[] = array(
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'id' => $rr['id'],
'term' => $rr['term'],
'encodedterm' => urlencode($rr['term']),
'delete' => t('Remove term'),
'selected' => ($search==$rr['term']),
);
}
$tpl = get_markup_template("saved_searches_aside.tpl");
$o .= replace_macros($tpl, array(
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'$title' => t('Saved Searches'),
'$add' => '',
'$searchbox' => '',
'$saved' => $saved,
));
}
return $o;
}
function search_init(&$a) {
$search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
if(local_user()) {
if(x($_GET,'save') && $search) {
$r = q("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
intval(local_user()),
dbesc($search)
);
if(! count($r)) {
q("INSERT INTO `search` (`uid`,`term`) VALUES ( %d, '%s')",
intval(local_user()),
dbesc($search)
);
}
}
if(x($_GET,'remove') && $search) {
q("delete from `search` where `uid` = %d and `term` = '%s' limit 1",
intval(local_user()),
dbesc($search)
);
}
$a->page['aside'] .= search_saved_searches();
}
else {
unset($_SESSION['theme']);
unset($_SESSION['mobile-theme']);
}
}
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function search_post(&$a) {
if(x($_POST,'search'))
$a->data['search'] = $_POST['search'];
}
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function search_content(&$a) {
if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
notice( t('Public access denied.') . EOL);
return;
}
if(get_config('system','local_search') AND !local_user()) {
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http_status_exit(403,
array("title" => t("Public access denied."),
"description" => t("Only logged in users are permitted to perform a search.")));
killme();
//notice(t('Public access denied.').EOL);
//return;
}
if (get_config('system','permit_crawling') AND !local_user()) {
// To-Do:
// - 10 requests are "free", after the 11th only a call per minute is allowed
$remote = $_SERVER["REMOTE_ADDR"];
$result = Cache::get("remote_search:".$remote);
if (!is_null($result)) {
if ($result > (time() - 60)) {
http_status_exit(429,
array("title" => t("Too Many Requests"),
"description" => t("Only one search per minute is permitted for not logged in users.")));
killme();
}
}
Cache::set("remote_search:".$remote, time(), CACHE_HOUR);
}
nav_set_selected('search');
$o = '<h3>' . t('Search') . '</h3>';
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if(x($a->data,'search'))
$search = notags(trim($a->data['search']));
else
$search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
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$tag = false;
if(x($_GET,'tag')) {
$tag = true;
$search = ((x($_GET,'tag')) ? notags(trim(rawurldecode($_GET['tag']))) : '');
}
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$o .= search($search,'search-box','/search',((local_user()) ? true : false), false);
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if(strpos($search,'#') === 0) {
$tag = true;
$search = substr($search,1);
}
if(strpos($search,'@') === 0) {
return dirfind_content($a);
}
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if(strpos($search,'!') === 0) {
return dirfind_content($a);
}
if(x($_GET,'search-option'))
switch($_GET['search-option']) {
case 'fulltext':
break;
case 'tags':
$tag = true;
break;
case 'contacts':
return dirfind_content($a, "@");
break;
case 'forums':
return dirfind_content($a, "!");
break;
}
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if(! $search)
return $o;
if (get_config('system','only_tag_search'))
$tag = true;
// Here is the way permissions work in the search module...
// Only public posts can be shown
// OR your own posts if you are a logged in member
// No items will be shown if the member has a blocked profile wall.
if($tag) {
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logger("Start tag search for '".$search."'", LOGGER_DEBUG);
$r = q("SELECT STRAIGHT_JOIN `item`.`uri`, `item`.*, `item`.`id` AS `item_id`,
`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`alias`, `contact`.`rel`,
`contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
FROM `term`
INNER JOIN `item` ON `item`.`id`=`term`.`oid`
INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
AND (`term`.`uid` = 0 OR (`term`.`uid` = %d AND NOT `term`.`global`)) AND `term`.`otype` = %d AND `term`.`type` = %d AND `term`.`term` = '%s'
ORDER BY term.created DESC LIMIT %d , %d ",
intval(local_user()), intval(TERM_OBJ_POST), intval(TERM_HASHTAG), dbesc(protect_sprintf($search)),
intval($a->pager['start']), intval($a->pager['itemspage']));
} else {
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logger("Start fulltext search for '".$search."'", LOGGER_DEBUG);
if (get_config('system','use_fulltext_engine')) {
$sql_extra = sprintf(" AND MATCH (`item`.`body`, `item`.`title`) AGAINST ('%s' in boolean mode) ", dbesc(protect_sprintf($search)));
} else {
$sql_extra = sprintf(" AND `item`.`body` REGEXP '%s' ", dbesc(protect_sprintf(preg_quote($search))));
}
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$r = q("SELECT STRAIGHT_JOIN `item`.`uri`, `item`.*, `item`.`id` AS `item_id`,
`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`alias`, `contact`.`rel`,
`contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
FROM `item`
INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
AND (`item`.`uid` = 0 OR (`item`.`uid` = %s AND (`item`.`private` OR NOT `item`.`network` IN ('%s', '%s', '%s'))))
$sql_extra
GROUP BY `item`.`uri` ORDER BY `item`.`id` DESC LIMIT %d , %d ",
intval(local_user()), dbesc(NETWORK_DFRN), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DIASPORA),
intval($a->pager['start']), intval($a->pager['itemspage']));
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}
if(! count($r)) {
info( t('No results.') . EOL);
return $o;
}
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if($tag)
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$title = sprintf( t('Items tagged with: %s'), $search);
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else
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$title = sprintf( t('Search results for: %s'), $search);
$o .= replace_macros(get_markup_template("section_title.tpl"),array(
'$title' => $title
));
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logger("Start Conversation for '".$search."'", LOGGER_DEBUG);
$o .= conversation($a,$r,'search',false);
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$o .= alt_pager($a,count($r));
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logger("Done '".$search."'", LOGGER_DEBUG);
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return $o;
}