friendica_2021-01/mod/search.php
Andrej Stieben db949bb802 Updated modules to allow for partial overrides without errors
Only define functions if they have not been defined before, e.g. in themes. This makes it possible to override parts of a module and still use the other functions.
2016-02-05 21:52:39 +01:00

253 lines
7.4 KiB
PHP

<?php
require_once("include/bbcode.php");
require_once('include/security.php');
require_once('include/conversation.php');
require_once('mod/dirfind.php');
if(! function_exists('search_saved_searches')) {
function search_saved_searches() {
$o = '';
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(
'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(
'$title' => t('Saved Searches'),
'$add' => '',
'$searchbox' => '',
'$saved' => $saved,
));
}
return $o;
}
}
if(! function_exists('search_init')) {
function search_init(&$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($_SESSION['mobile-theme']);
}
}
}
if(! function_exists('search_post')) {
function search_post(&$a) {
if(x($_POST,'search'))
$a->data['search'] = $_POST['search'];
}
}
if(! function_exists('search_content')) {
function search_content(&$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()) {
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()) {
// Default values:
// 10 requests are "free", after the 11th only a call per minute is allowed
$free_crawls = intval(get_config('system','free_crawls'));
if ($free_crawls == 0)
$free_crawls = 10;
$crawl_permit_period = intval(get_config('system','crawl_permit_period'));
if ($crawl_permit_period == 0)
$crawl_permit_period = 10;
$remote = $_SERVER["REMOTE_ADDR"];
$result = Cache::get("remote_search:".$remote);
if (!is_null($result)) {
$resultdata = json_decode($result);
if (($resultdata->time > (time() - $crawl_permit_period)) AND ($resultdata->accesses > $free_crawls)) {
http_status_exit(429,
array("title" => t("Too Many Requests"),
"description" => t("Only one search per minute is permitted for not logged in users.")));
killme();
}
Cache::set("remote_search:".$remote, json_encode(array("time" => time(), "accesses" => $resultdata->accesses + 1)), CACHE_HOUR);
} else
Cache::set("remote_search:".$remote, json_encode(array("time" => time(), "accesses" => 1)), CACHE_HOUR);
}
nav_set_selected('search');
$o = '<h3>' . t('Search') . '</h3>';
if(x($a->data,'search'))
$search = notags(trim($a->data['search']));
else
$search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
$tag = false;
if(x($_GET,'tag')) {
$tag = true;
$search = ((x($_GET,'tag')) ? notags(trim(rawurldecode($_GET['tag']))) : '');
}
$o .= search($search,'search-box','/search',((local_user()) ? true : false), false);
if(strpos($search,'#') === 0) {
$tag = true;
$search = substr($search,1);
}
if(strpos($search,'@') === 0) {
return dirfind_content($a);
}
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;
}
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) {
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 {
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))));
}
$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($a->pager['itemspage']));
}
if(! count($r)) {
info( t('No results.') . EOL);
return $o;
}
if($tag)
$title = sprintf( t('Items tagged with: %s'), $search);
else
$title = sprintf( t('Search results for: %s'), $search);
$o .= replace_macros(get_markup_template("section_title.tpl"),array(
'$title' => $title
));
logger("Start Conversation for '".$search."'", LOGGER_DEBUG);
$o .= conversation($a,$r,'search',false);
$o .= alt_pager($a,count($r));
logger("Done '".$search."'", LOGGER_DEBUG);
return $o;
}
}