4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Content\Text\HTML;
12 use Friendica\Core\Addon;
13 use Friendica\Core\Config;
14 use Friendica\Core\Lock;
15 use Friendica\Core\Logger;
16 use Friendica\Core\L10n;
17 use Friendica\Core\PConfig;
18 use Friendica\Core\Protocol;
19 use Friendica\Core\Renderer;
20 use Friendica\Core\System;
21 use Friendica\Core\Worker;
22 use Friendica\Database\DBA;
23 use Friendica\Model\Contact;
24 use Friendica\Model\Event;
25 use Friendica\Model\FileTag;
26 use Friendica\Model\PermissionSet;
27 use Friendica\Model\Term;
28 use Friendica\Model\ItemURI;
29 use Friendica\Object\Image;
30 use Friendica\Protocol\Diaspora;
31 use Friendica\Protocol\OStatus;
32 use Friendica\Util\DateTimeFormat;
33 use Friendica\Util\Map;
34 use Friendica\Util\XML;
35 use Friendica\Util\Security;
36 use Friendica\Util\Strings;
37 use Text_LanguageDetect;
39 class Item extends BaseObject
41 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
48 const PT_DOCUMENT = 19;
50 const PT_PERSONAL_NOTE = 128;
52 // Field list that is used to display the items
53 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
54 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
55 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
56 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
57 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
58 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
59 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
60 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
61 'writable', 'self', 'cid', 'alias',
62 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
63 'event-summary', 'event-desc', 'event-location', 'event-type',
64 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
66 // Field list that is used to deliver items via the protocols
67 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
68 'created', 'edited', 'verb', 'object-type', 'object', 'target',
69 'private', 'title', 'body', 'location', 'coord', 'app',
70 'attach', 'tag', 'deleted', 'extid', 'post-type',
71 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
72 'author-id', 'author-link', 'owner-link', 'contact-uid',
73 'signed_text', 'signature', 'signer', 'network'];
75 // Field list for "item-content" table that is mixed with the item table
76 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
77 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
78 'object-type', 'object', 'target-type', 'target', 'plink'];
80 // Field list for "item-content" table that is not present in the "item" table
81 const CONTENT_FIELDLIST = ['language'];
83 // Field list for additional delivery data
84 const DELIVERY_DATA_FIELDLIST = ['postopts', 'inform'];
86 // All fields in the item table
87 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
88 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
89 'created', 'edited', 'commented', 'received', 'changed', 'verb',
90 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
91 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
92 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
93 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
94 'title', 'content-warning', 'body', 'location', 'coord', 'app',
95 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
96 'author-id', 'author-link', 'author-name', 'author-avatar',
97 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
99 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
100 // The item-activity table only stores the index and needs this array to know the matching activity.
101 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
103 private static $legacy_mode = null;
105 public static function isLegacyMode()
107 if (is_null(self::$legacy_mode)) {
108 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
111 return self::$legacy_mode;
115 * @brief returns an activity index from an activity string
117 * @param string $activity activity string
118 * @return integer Activity index
120 public static function activityToIndex($activity)
122 $index = array_search($activity, self::ACTIVITIES);
124 if (is_bool($index)) {
132 * @brief returns an activity string from an activity index
134 * @param integer $index activity index
135 * @return string Activity string
137 private static function indexToActivity($index)
139 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
143 return self::ACTIVITIES[$index];
147 * @brief Fetch a single item row
149 * @param mixed $stmt statement object
150 * @return array current row
152 public static function fetch($stmt)
154 $row = DBA::fetch($stmt);
160 // ---------------------- Transform item structure data ----------------------
162 // We prefer the data from the user's contact over the public one
163 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
164 ($row['author-link'] == $row['contact-link'])) {
165 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
166 $row['author-avatar'] = $row['contact-avatar'];
168 if (isset($row['author-name']) && !empty($row['contact-name'])) {
169 $row['author-name'] = $row['contact-name'];
173 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
174 ($row['owner-link'] == $row['contact-link'])) {
175 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
176 $row['owner-avatar'] = $row['contact-avatar'];
178 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
179 $row['owner-name'] = $row['contact-name'];
183 // We can always comment on posts from these networks
184 if (array_key_exists('writable', $row) &&
185 in_array($row['internal-network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])) {
186 $row['writable'] = true;
189 // ---------------------- Transform item content data ----------------------
191 // Fetch data from the item-content table whenever there is content there
192 if (self::isLegacyMode()) {
193 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
194 foreach ($legacy_fields as $field) {
195 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
196 $row[$field] = $row['internal-item-' . $field];
198 unset($row['internal-item-' . $field]);
202 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
203 $row['verb'] = self::indexToActivity($row['internal-activity']);
204 if (array_key_exists('title', $row)) {
207 if (array_key_exists('body', $row)) {
208 $row['body'] = $row['verb'];
210 if (array_key_exists('object', $row)) {
213 if (array_key_exists('object-type', $row)) {
214 $row['object-type'] = ACTIVITY_OBJ_NOTE;
216 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
217 // Posts don't have an object or target - but having tags or files.
218 // We safe some performance by building tag and file strings only here.
219 // We remove object and target since they aren't used for this type.
220 if (array_key_exists('object', $row)) {
223 if (array_key_exists('target', $row)) {
228 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
229 // Build the tag string out of the term entries
230 if (array_key_exists('tag', $row) && empty($row['tag'])) {
231 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
234 // Build the file string out of the term entries
235 if (array_key_exists('file', $row) && empty($row['file'])) {
236 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
240 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
241 $row['signed_text'] = $row['interaction'];
244 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
245 $row['ignored'] = $row['internal-user-ignored'];
248 // Remove internal fields
249 unset($row['internal-activity']);
250 unset($row['internal-network']);
251 unset($row['internal-iid']);
252 unset($row['internal-iaid']);
253 unset($row['internal-icid']);
254 unset($row['internal-user-ignored']);
255 unset($row['interaction']);
261 * @brief Fills an array with data from an item query
263 * @param object $stmt statement object
264 * @return array Data array
266 public static function inArray($stmt, $do_close = true) {
267 if (is_bool($stmt)) {
272 while ($row = self::fetch($stmt)) {
282 * @brief Check if item data exists
284 * @param array $condition array of fields for condition
286 * @return boolean Are there rows for that condition?
288 public static function exists($condition) {
289 $stmt = self::select(['id'], $condition, ['limit' => 1]);
291 if (is_bool($stmt)) {
294 $retval = (DBA::numRows($stmt) > 0);
303 * Retrieve a single record from the item table for a given user and returns it in an associative array
305 * @brief Retrieve a single record from a table
306 * @param integer $uid User ID
307 * @param array $fields
308 * @param array $condition
309 * @param array $params
313 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
315 $params['uid'] = $uid;
317 if (empty($selected)) {
318 $selected = Item::DISPLAY_FIELDLIST;
321 return self::selectFirst($selected, $condition, $params);
325 * @brief Select rows from the item table for a given user
327 * @param integer $uid User ID
328 * @param array $selected Array of selected fields, empty for all
329 * @param array $condition Array of fields for condition
330 * @param array $params Array of several parameters
332 * @return boolean|object
334 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
336 $params['uid'] = $uid;
338 if (empty($selected)) {
339 $selected = Item::DISPLAY_FIELDLIST;
342 return self::select($selected, $condition, $params);
346 * Retrieve a single record from the item table and returns it in an associative array
348 * @brief Retrieve a single record from a table
349 * @param array $fields
350 * @param array $condition
351 * @param array $params
355 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
357 $params['limit'] = 1;
359 $result = self::select($fields, $condition, $params);
361 if (is_bool($result)) {
364 $row = self::fetch($result);
371 * @brief Select rows from the item table
373 * @param array $selected Array of selected fields, empty for all
374 * @param array $condition Array of fields for condition
375 * @param array $params Array of several parameters
377 * @return boolean|object
379 public static function select(array $selected = [], array $condition = [], $params = [])
384 if (isset($params['uid'])) {
385 $uid = $params['uid'];
389 $fields = self::fieldlist($usermode);
391 $select_fields = self::constructSelectFields($fields, $selected);
393 $condition_string = DBA::buildCondition($condition);
395 $condition_string = self::addTablesToFields($condition_string, $fields);
398 $condition_string = $condition_string . ' AND ' . self::condition(false);
401 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
403 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
405 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
407 return DBA::p($sql, $condition);
411 * @brief Select rows from the starting post in the item table
413 * @param integer $uid User ID
414 * @param array $fields Array of selected fields, empty for all
415 * @param array $condition Array of fields for condition
416 * @param array $params Array of several parameters
418 * @return boolean|object
420 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
422 $params['uid'] = $uid;
424 if (empty($selected)) {
425 $selected = Item::DISPLAY_FIELDLIST;
428 return self::selectThread($selected, $condition, $params);
432 * Retrieve a single record from the starting post in the item table and returns it in an associative array
434 * @brief Retrieve a single record from a table
435 * @param integer $uid User ID
436 * @param array $selected
437 * @param array $condition
438 * @param array $params
442 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
444 $params['uid'] = $uid;
446 if (empty($selected)) {
447 $selected = Item::DISPLAY_FIELDLIST;
450 return self::selectFirstThread($selected, $condition, $params);
454 * Retrieve a single record from the starting post in the item table and returns it in an associative array
456 * @brief Retrieve a single record from a table
457 * @param array $fields
458 * @param array $condition
459 * @param array $params
463 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
465 $params['limit'] = 1;
466 $result = self::selectThread($fields, $condition, $params);
468 if (is_bool($result)) {
471 $row = self::fetch($result);
478 * @brief Select rows from the starting post in the item table
480 * @param array $selected Array of selected fields, empty for all
481 * @param array $condition Array of fields for condition
482 * @param array $params Array of several parameters
484 * @return boolean|object
486 public static function selectThread(array $selected = [], array $condition = [], $params = [])
491 if (isset($params['uid'])) {
492 $uid = $params['uid'];
496 $fields = self::fieldlist($usermode);
498 $fields['thread'] = ['mention', 'ignored', 'iid'];
500 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
501 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
502 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
503 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
505 $select_fields = self::constructSelectFields($fields, $selected);
507 $condition_string = DBA::buildCondition($condition);
509 $condition_string = self::addTablesToFields($condition_string, $threadfields);
510 $condition_string = self::addTablesToFields($condition_string, $fields);
513 $condition_string = $condition_string . ' AND ' . self::condition(true);
516 $param_string = DBA::buildParameter($params);
517 $param_string = self::addTablesToFields($param_string, $threadfields);
518 $param_string = self::addTablesToFields($param_string, $fields);
520 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
522 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
524 return DBA::p($sql, $condition);
528 * @brief Returns a list of fields that are associated with the item table
530 * @return array field list
532 private static function fieldlist($usermode)
536 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
537 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
538 'created', 'edited', 'commented', 'received', 'changed', 'psid',
539 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
540 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
541 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
542 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
543 'network' => 'internal-network', 'icid' => 'internal-icid',
544 'iaid' => 'internal-iaid'];
547 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
550 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
552 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
554 $fields['item-delivery-data'] = self::DELIVERY_DATA_FIELDLIST;
556 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
558 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
559 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
561 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
562 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
564 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
565 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
566 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
568 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
570 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
572 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
573 'start' => 'event-start','finish' => 'event-finish',
574 'summary' => 'event-summary','desc' => 'event-desc',
575 'location' => 'event-location', 'type' => 'event-type',
576 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
577 'ignore' => 'event-ignore', 'id' => 'event-id'];
579 $fields['sign'] = ['signed_text', 'signature', 'signer'];
581 $fields['diaspora-interaction'] = ['interaction'];
587 * @brief Returns SQL condition for the "select" functions
589 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
591 * @return string SQL condition
593 private static function condition($thread_mode)
596 $master_table = "`thread`";
598 $master_table = "`item`";
600 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
601 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
602 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
603 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
604 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
605 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
606 GRAVITY_PARENT, GRAVITY_PARENT);
610 * @brief Returns all needed "JOIN" commands for the "select" functions
612 * @param integer $uid User ID
613 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
614 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
616 * @return string The SQL joins for the "select" functions
618 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
621 $master_table = "`thread`";
622 $master_table_key = "`thread`.`iid`";
623 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
625 $master_table = "`item`";
626 $master_table_key = "`item`.`id`";
631 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
632 AND NOT `contact`.`blocked`
633 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
634 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
635 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
636 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
637 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
638 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
639 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
640 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
642 if (strpos($sql_commands, "`contact`.") !== false) {
643 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
645 if (strpos($sql_commands, "`author`.") !== false) {
646 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
648 if (strpos($sql_commands, "`owner`.") !== false) {
649 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
653 if (strpos($sql_commands, "`group_member`.") !== false) {
654 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
657 if (strpos($sql_commands, "`user`.") !== false) {
658 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
661 if (strpos($sql_commands, "`event`.") !== false) {
662 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
665 if (strpos($sql_commands, "`sign`.") !== false) {
666 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
669 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
670 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
673 if (strpos($sql_commands, "`item-activity`.") !== false) {
674 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
677 if (strpos($sql_commands, "`item-content`.") !== false) {
678 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
681 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
682 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
685 if (strpos($sql_commands, "`permissionset`.") !== false) {
686 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
689 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
690 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
693 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
694 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
701 * @brief Add the field list for the "select" functions
703 * @param array $fields The field definition array
704 * @param array $selected The array with the selected fields from the "select" functions
706 * @return string The field list
708 private static function constructSelectFields($fields, $selected)
710 if (!empty($selected)) {
711 $selected[] = 'internal-iid';
712 $selected[] = 'internal-iaid';
713 $selected[] = 'internal-icid';
714 $selected[] = 'internal-network';
717 if (in_array('verb', $selected)) {
718 $selected[] = 'internal-activity';
721 if (in_array('ignored', $selected)) {
722 $selected[] = 'internal-user-ignored';
725 if (in_array('signed_text', $selected)) {
726 $selected[] = 'interaction';
730 foreach ($fields as $table => $table_fields) {
731 foreach ($table_fields as $field => $select) {
732 if (empty($selected) || in_array($select, $selected)) {
733 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
734 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
735 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
737 if (is_int($field)) {
738 $selection[] = "`" . $table . "`.`" . $select . "`";
740 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
745 return implode(", ", $selection);
749 * @brief add table definition to fields in an SQL query
751 * @param string $query SQL query
752 * @param array $fields The field definition array
754 * @return string the changed SQL query
756 private static function addTablesToFields($query, $fields)
758 foreach ($fields as $table => $table_fields) {
759 foreach ($table_fields as $alias => $field) {
760 if (is_int($alias)) {
761 $replace_field = $field;
763 $replace_field = $alias;
766 $search = "/([^\.])`" . $field . "`/i";
767 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
768 $query = preg_replace($search, $replace, $query);
775 * @brief Update existing item entries
777 * @param array $fields The fields that are to be changed
778 * @param array $condition The condition for finding the item entries
780 * In the future we may have to change permissions as well.
781 * Then we had to add the user id as third parameter.
783 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
785 * @return integer|boolean number of affected rows - or "false" if there was an error
787 public static function update(array $fields, array $condition)
789 if (empty($condition) || empty($fields)) {
793 // To ensure the data integrity we do it in an transaction
796 // We cannot simply expand the condition to check for origin entries
797 // The condition needn't to be a simple array but could be a complex condition.
798 // And we have to execute this query before the update to ensure to fetch the same data.
799 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
801 $content_fields = [];
802 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
803 if (isset($fields[$field])) {
804 $content_fields[$field] = $fields[$field];
805 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
806 unset($fields[$field]);
808 $fields[$field] = null;
813 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link'];
814 foreach ($clear_fields as $field) {
815 if (array_key_exists($field, $fields)) {
816 $fields[$field] = null;
820 if (array_key_exists('tag', $fields)) {
821 $tags = $fields['tag'];
822 $fields['tag'] = null;
827 if (array_key_exists('file', $fields)) {
828 $files = $fields['file'];
829 $fields['file'] = null;
834 $delivery_data = ['postopts' => defaults($fields, 'postopts', ''),
835 'inform' => defaults($fields, 'inform', '')];
837 $fields['postopts'] = null;
838 $fields['inform'] = null;
840 if (!empty($fields)) {
841 $success = DBA::update('item', $fields, $condition);
850 // When there is no content for the "old" item table, this will count the fetched items
851 $rows = DBA::affectedRows();
853 while ($item = DBA::fetch($items)) {
854 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
855 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
857 if (empty($item['iaid'])) {
858 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
859 if (DBA::isResult($item_activity)) {
860 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
861 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
862 if (self::isLegacyMode()) {
863 $item_fields[$field] = null;
865 unset($item_fields[$field]);
868 DBA::update('item', $item_fields, ['id' => $item['id']]);
870 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
871 DBA::delete('item-content', ['id' => $item['icid']]);
874 } elseif (!empty($item['icid'])) {
875 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
877 if (!DBA::exists('item', ['icid' => $item['icid']])) {
878 DBA::delete('item-content', ['id' => $item['icid']]);
882 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
884 if (empty($item['icid'])) {
885 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
886 if (DBA::isResult($item_content)) {
887 $item_fields = ['icid' => $item_content['id']];
888 // Clear all fields in the item table that have a content in the item-content table
889 foreach ($item_content as $field => $content) {
890 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
891 if (self::isLegacyMode()) {
892 $item_fields[$field] = null;
894 unset($item_fields[$field]);
898 DBA::update('item', $item_fields, ['id' => $item['id']]);
903 if (!is_null($tags)) {
904 Term::insertFromTagFieldByItemId($item['id'], $tags);
905 if (!empty($item['tag'])) {
906 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
910 if (!is_null($files)) {
911 Term::insertFromFileFieldByItemId($item['id'], $files);
912 if (!empty($item['file'])) {
913 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
917 self::updateDeliveryData($item['id'], $delivery_data);
919 self::updateThread($item['id']);
921 // We only need to notfiy others when it is an original entry from us.
922 // Only call the notifier when the item has some content relevant change.
923 if ($item['origin'] && in_array('edited', array_keys($fields))) {
924 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
934 * @brief Delete an item and notify others about it - if it was ours
936 * @param array $condition The condition for finding the item entries
937 * @param integer $priority Priority for the notification
939 public static function delete($condition, $priority = PRIORITY_HIGH)
941 $items = self::select(['id'], $condition);
942 while ($item = self::fetch($items)) {
943 self::deleteById($item['id'], $priority);
949 * @brief Delete an item for an user and notify others about it - if it was ours
951 * @param array $condition The condition for finding the item entries
952 * @param integer $uid User who wants to delete this item
954 public static function deleteForUser($condition, $uid)
960 $items = self::select(['id', 'uid'], $condition);
961 while ($item = self::fetch($items)) {
962 // "Deleting" global items just means hiding them
963 if ($item['uid'] == 0) {
964 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
965 } elseif ($item['uid'] == $uid) {
966 self::deleteById($item['id'], PRIORITY_HIGH);
968 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
975 * @brief Delete an item and notify others about it - if it was ours
977 * @param integer $item_id Item ID that should be delete
978 * @param integer $priority Priority for the notification
980 * @return boolean success
982 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
984 // locate item to be deleted
985 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
986 'deleted', 'file', 'resource-id', 'event-id', 'attach',
987 'verb', 'object-type', 'object', 'target', 'contact-id',
988 'icid', 'iaid', 'psid'];
989 $item = self::selectFirst($fields, ['id' => $item_id]);
990 if (!DBA::isResult($item)) {
991 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
995 if ($item['deleted']) {
996 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1000 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1001 if (!DBA::isResult($parent)) {
1002 $parent = ['origin' => false];
1005 // clean up categories and tags so they don't end up as orphans
1008 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1011 foreach ($matches as $mtch) {
1012 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1018 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1021 foreach ($matches as $mtch) {
1022 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1027 * If item is a link to a photo resource, nuke all the associated photos
1028 * (visitors will not have photo resources)
1029 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1030 * generate a resource-id and therefore aren't intimately linked to the item.
1032 if (strlen($item['resource-id'])) {
1033 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1036 // If item is a link to an event, delete the event.
1037 if (intval($item['event-id'])) {
1038 Event::delete($item['event-id']);
1041 // If item has attachments, drop them
1042 foreach (explode(", ", $item['attach']) as $attach) {
1043 preg_match("|attach/(\d+)|", $attach, $matches);
1044 if (is_array($matches) && count($matches) > 1) {
1045 DBA::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
1049 // Delete tags that had been attached to other items
1050 self::deleteTagsFromItem($item);
1052 // Set the item to "deleted"
1053 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1054 DBA::update('item', $item_fields, ['id' => $item['id']]);
1056 Term::insertFromTagFieldByItemId($item['id'], '');
1057 Term::insertFromFileFieldByItemId($item['id'], '');
1058 self::deleteThread($item['id'], $item['parent-uri']);
1060 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1061 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1064 DBA::delete('item-delivery-data', ['iid' => $item['id']]);
1066 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1068 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1069 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1071 // When the permission set will be used in photo and events as well,
1072 // this query here needs to be extended.
1073 if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1074 DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1077 // If it's the parent of a comment thread, kill all the kids
1078 if ($item['id'] == $item['parent']) {
1079 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1082 // Is it our comment and/or our thread?
1083 if ($item['origin'] || $parent['origin']) {
1085 // When we delete the original post we will delete all existing copies on the server as well
1086 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1088 // send the notification upstream/downstream
1089 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
1090 } elseif ($item['uid'] != 0) {
1092 // When we delete just our local user copy of an item, we have to set a marker to hide it
1093 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1094 if (DBA::isResult($global_item)) {
1095 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1099 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1104 private static function deleteTagsFromItem($item)
1106 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1110 $xo = XML::parseString($item["object"], false);
1111 $xt = XML::parseString($item["target"], false);
1113 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1117 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1118 if (!DBA::isResult($i)) {
1122 // For tags, the owner cannot remove the tag on the author's copy of the post.
1123 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1124 $author_copy = $item["origin"];
1126 if (($owner_remove && $author_copy) || !$owner_remove) {
1130 $tags = explode(',', $i["tag"]);
1133 foreach ($tags as $tag) {
1134 if (trim($tag) !== trim($xo->body)) {
1135 $newtags[] = trim($tag);
1139 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1142 private static function guid($item, $notify)
1144 if (!empty($item['guid'])) {
1145 return Strings::escapeTags(trim($item['guid']));
1149 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1150 // We add the hash of our own host because our host is the original creator of the post.
1151 $prefix_host = \get_app()->getHostName();
1155 // We are only storing the post so we create a GUID from the original hostname.
1156 if (!empty($item['author-link'])) {
1157 $parsed = parse_url($item['author-link']);
1158 if (!empty($parsed['host'])) {
1159 $prefix_host = $parsed['host'];
1163 if (empty($prefix_host) && !empty($item['plink'])) {
1164 $parsed = parse_url($item['plink']);
1165 if (!empty($parsed['host'])) {
1166 $prefix_host = $parsed['host'];
1170 if (empty($prefix_host) && !empty($item['uri'])) {
1171 $parsed = parse_url($item['uri']);
1172 if (!empty($parsed['host'])) {
1173 $prefix_host = $parsed['host'];
1177 // Is it in the format data@host.tld? - Used for mail contacts
1178 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1179 $mailparts = explode('@', $item['author-link']);
1180 $prefix_host = array_pop($mailparts);
1184 if (!empty($item['plink'])) {
1185 $guid = self::guidFromUri($item['plink'], $prefix_host);
1186 } elseif (!empty($item['uri'])) {
1187 $guid = self::guidFromUri($item['uri'], $prefix_host);
1189 $guid = System::createUUID(hash('crc32', $prefix_host));
1195 private static function contactId($item)
1197 $contact_id = (int)$item["contact-id"];
1199 if (!empty($contact_id)) {
1202 Logger::log('Missing contact-id. Called by: '.System::callstack(), Logger::DEBUG);
1204 * First we are looking for a suitable contact that matches with the author of the post
1205 * This is done only for comments
1207 if ($item['parent-uri'] != $item['uri']) {
1208 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1211 // If not present then maybe the owner was found
1212 if ($contact_id == 0) {
1213 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1216 // Still missing? Then use the "self" contact of the current user
1217 if ($contact_id == 0) {
1218 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1219 if (DBA::isResult($self)) {
1220 $contact_id = $self["id"];
1223 Logger::log("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, Logger::DEBUG);
1228 // This function will finally cover most of the preparation functionality in mod/item.php
1229 public static function prepare(&$item)
1231 $data = BBCode::getAttachmentData($item['body']);
1232 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1233 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1234 $posttype = Item::PT_PAGE;
1235 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1239 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1243 // If it is a posting where users should get notifications, then define it as wall posting
1246 $item['origin'] = 1;
1247 $item['network'] = Protocol::DFRN;
1248 $item['protocol'] = Conversation::PARCEL_DFRN;
1250 if (is_int($notify)) {
1251 $priority = $notify;
1253 $priority = PRIORITY_HIGH;
1256 $item['network'] = trim(defaults($item, 'network', Protocol::PHANTOM));
1259 $item['guid'] = self::guid($item, $notify);
1260 $item['uri'] = Strings::escapeTags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1263 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1265 // Store conversation data
1266 $item = Conversation::insert($item);
1269 * If a Diaspora signature structure was passed in, pull it out of the
1270 * item array and set it aside for later storage.
1274 if (isset($item['dsprsig'])) {
1275 $encoded_signature = $item['dsprsig'];
1276 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1277 unset($item['dsprsig']);
1280 $diaspora_signed_text = '';
1281 if (isset($item['diaspora_signed_text'])) {
1282 $diaspora_signed_text = $item['diaspora_signed_text'];
1283 unset($item['diaspora_signed_text']);
1286 // Converting the plink
1287 /// @TODO Check if this is really still needed
1288 if ($item['network'] == Protocol::OSTATUS) {
1289 if (isset($item['plink'])) {
1290 $item['plink'] = OStatus::convertHref($item['plink']);
1291 } elseif (isset($item['uri'])) {
1292 $item['plink'] = OStatus::convertHref($item['uri']);
1296 if (!empty($item['thr-parent'])) {
1297 $item['parent-uri'] = $item['thr-parent'];
1300 if (isset($item['gravity'])) {
1301 $item['gravity'] = intval($item['gravity']);
1302 } elseif ($item['parent-uri'] === $item['uri']) {
1303 $item['gravity'] = GRAVITY_PARENT;
1304 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1305 $item['gravity'] = GRAVITY_COMMENT;
1307 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1308 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1311 $uid = intval($item['uid']);
1313 // check for create date and expire time
1314 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1316 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1317 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1318 $expire_interval = $user['expire'];
1321 if (($expire_interval > 0) && !empty($item['created'])) {
1322 $expire_date = time() - ($expire_interval * 86400);
1323 $created_date = strtotime($item['created']);
1324 if ($created_date < $expire_date) {
1325 Logger::log('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), Logger::DEBUG);
1331 * Do we already have this item?
1332 * We have to check several networks since Friendica posts could be repeated
1333 * via OStatus (maybe Diasporsa as well)
1335 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS, ""])) {
1336 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1337 trim($item['uri']), $item['uid'],
1338 Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1339 $existing = self::selectFirst(['id', 'network'], $condition);
1340 if (DBA::isResult($existing)) {
1341 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1343 Logger::log("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1346 return $existing["id"];
1350 $item['wall'] = intval(defaults($item, 'wall', 0));
1351 $item['extid'] = trim(defaults($item, 'extid', ''));
1352 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1353 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1354 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1355 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1356 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1357 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1358 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1359 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1360 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1361 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1362 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1363 $item['title'] = trim(defaults($item, 'title', ''));
1364 $item['location'] = trim(defaults($item, 'location', ''));
1365 $item['coord'] = trim(defaults($item, 'coord', ''));
1366 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1367 $item['deleted'] = 0;
1368 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1369 $item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE);
1370 $item['verb'] = trim(defaults($item, 'verb', ''));
1371 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1372 $item['object'] = trim(defaults($item, 'object', ''));
1373 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1374 $item['target'] = trim(defaults($item, 'target', ''));
1375 $item['plink'] = trim(defaults($item, 'plink', ''));
1376 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1377 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1378 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1379 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1380 $item['private'] = intval(defaults($item, 'private', 0));
1381 $item['body'] = trim(defaults($item, 'body', ''));
1382 $item['tag'] = trim(defaults($item, 'tag', ''));
1383 $item['attach'] = trim(defaults($item, 'attach', ''));
1384 $item['app'] = trim(defaults($item, 'app', ''));
1385 $item['origin'] = intval(defaults($item, 'origin', 0));
1386 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1387 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1388 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1389 $item['inform'] = trim(defaults($item, 'inform', ''));
1390 $item['file'] = trim(defaults($item, 'file', ''));
1392 // When there is no content then we don't post it
1393 if ($item['body'].$item['title'] == '') {
1394 Logger::log('No body, no title.');
1398 self::addLanguageToItemArray($item);
1400 // Items cannot be stored before they happen ...
1401 if ($item['created'] > DateTimeFormat::utcNow()) {
1402 $item['created'] = DateTimeFormat::utcNow();
1405 // We haven't invented time travel by now.
1406 if ($item['edited'] > DateTimeFormat::utcNow()) {
1407 $item['edited'] = DateTimeFormat::utcNow();
1410 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1412 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1413 $item["contact-id"] = self::contactId($item);
1415 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1416 'photo' => $item['author-avatar'], 'network' => $item['network']];
1418 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1420 if (Contact::isBlocked($item["author-id"])) {
1421 Logger::log('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1425 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1426 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1428 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1430 if (Contact::isBlocked($item["owner-id"])) {
1431 Logger::log('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1435 if ($item['network'] == Protocol::PHANTOM) {
1436 Logger::log('Missing network. Called by: '.System::callstack(), Logger::DEBUG);
1438 $item['network'] = Protocol::DFRN;
1439 Logger::log("Set network to " . $item["network"] . " for " . $item["uri"], Logger::DEBUG);
1442 // Checking if there is already an item with the same guid
1443 Logger::log('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], Logger::DEBUG);
1444 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1445 if (self::exists($condition)) {
1446 Logger::log('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], Logger::DEBUG);
1450 // Check for hashtags in the body and repair or add hashtag links
1451 self::setHashtags($item);
1453 $item['thr-parent'] = $item['parent-uri'];
1461 if ($item['parent-uri'] === $item['uri']) {
1463 $parent_deleted = 0;
1464 $allow_cid = $item['allow_cid'];
1465 $allow_gid = $item['allow_gid'];
1466 $deny_cid = $item['deny_cid'];
1467 $deny_gid = $item['deny_gid'];
1468 $notify_type = 'wall-new';
1470 // find the parent and snarf the item id and ACLs
1471 // and anything else we need to inherit
1473 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1474 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1475 'wall', 'private', 'forum_mode', 'origin'];
1476 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1477 $params = ['order' => ['id' => false]];
1478 $parent = self::selectFirst($fields, $condition, $params);
1480 if (DBA::isResult($parent)) {
1481 // is the new message multi-level threaded?
1482 // even though we don't support it now, preserve the info
1483 // and re-attach to the conversation parent.
1485 if ($parent['uri'] != $parent['parent-uri']) {
1486 $item['parent-uri'] = $parent['parent-uri'];
1488 $condition = ['uri' => $item['parent-uri'],
1489 'parent-uri' => $item['parent-uri'],
1490 'uid' => $item['uid']];
1491 $params = ['order' => ['id' => false]];
1492 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1494 if (DBA::isResult($toplevel_parent)) {
1495 $parent = $toplevel_parent;
1499 $parent_id = $parent['id'];
1500 $parent_deleted = $parent['deleted'];
1501 $allow_cid = $parent['allow_cid'];
1502 $allow_gid = $parent['allow_gid'];
1503 $deny_cid = $parent['deny_cid'];
1504 $deny_gid = $parent['deny_gid'];
1505 $item['wall'] = $parent['wall'];
1506 $notify_type = 'comment-new';
1509 * If the parent is private, force privacy for the entire conversation
1510 * This differs from the above settings as it subtly allows comments from
1511 * email correspondents to be private even if the overall thread is not.
1513 if ($parent['private']) {
1514 $item['private'] = $parent['private'];
1518 * Edge case. We host a public forum that was originally posted to privately.
1519 * The original author commented, but as this is a comment, the permissions
1520 * weren't fixed up so it will still show the comment as private unless we fix it here.
1522 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1523 $item['private'] = 0;
1526 // If its a post from myself then tag the thread as "mention"
1527 Logger::log("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], Logger::DEBUG);
1528 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1529 if (DBA::isResult($user)) {
1530 $self = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
1531 $self_id = Contact::getIdForURL($self, 0, true);
1532 Logger::log("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], Logger::DEBUG);
1533 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1534 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1535 Logger::log("tagged thread ".$parent_id." as mention for user ".$self, Logger::DEBUG);
1540 * Allow one to see reply tweets from status.net even when
1541 * we don't have or can't see the original post.
1543 if ($force_parent) {
1544 Logger::log('$force_parent=true, reply converted to top-level post.');
1546 $item['parent-uri'] = $item['uri'];
1547 $item['gravity'] = GRAVITY_PARENT;
1549 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1553 $parent_deleted = 0;
1557 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1558 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1560 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1561 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1562 if (self::exists($condition)) {
1563 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1567 // On Friendica and Diaspora the GUID is unique
1568 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1569 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1570 if (self::exists($condition)) {
1571 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1575 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1576 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1577 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1578 if (self::exists($condition)) {
1579 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1584 // Is this item available in the global items (with uid=0)?
1585 if ($item["uid"] == 0) {
1586 $item["global"] = true;
1588 // Set the global flag on all items if this was a global item entry
1589 self::update(['global' => true], ['uri' => $item["uri"]]);
1591 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1595 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1598 $private = $item['private'];
1601 $item["allow_cid"] = $allow_cid;
1602 $item["allow_gid"] = $allow_gid;
1603 $item["deny_cid"] = $deny_cid;
1604 $item["deny_gid"] = $deny_gid;
1605 $item["private"] = $private;
1606 $item["deleted"] = $parent_deleted;
1608 // Fill the cache field
1609 self::putInCache($item);
1612 $item['edit'] = false;
1613 $item['parent'] = $parent_id;
1614 Addon::callHooks('post_local', $item);
1615 unset($item['edit']);
1616 unset($item['parent']);
1618 Addon::callHooks('post_remote', $item);
1621 // This array field is used to trigger some automatic reactions
1622 // It is mainly used in the "post_local" hook.
1623 unset($item['api_source']);
1625 if (!empty($item['cancel'])) {
1626 Logger::log('post cancelled by addon.');
1631 * Check for already added items.
1632 * There is a timing issue here that sometimes creates double postings.
1633 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1635 if ($item["uid"] == 0) {
1636 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1637 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1642 Logger::log('' . print_r($item,true), Logger::DATA);
1644 if (array_key_exists('tag', $item)) {
1645 $tags = $item['tag'];
1646 unset($item['tag']);
1651 if (array_key_exists('file', $item)) {
1652 $files = $item['file'];
1653 unset($item['file']);
1658 // Creates or assigns the permission set
1659 $item['psid'] = PermissionSet::fetchIDForPost($item);
1661 // We are doing this outside of the transaction to avoid timing problems
1662 if (!self::insertActivity($item)) {
1663 self::insertContent($item);
1666 $delivery_data = ['postopts' => defaults($item, 'postopts', ''),
1667 'inform' => defaults($item, 'inform', '')];
1669 unset($item['postopts']);
1670 unset($item['inform']);
1672 // These fields aren't stored anymore in the item table, they are fetched upon request
1673 unset($item['author-link']);
1674 unset($item['author-name']);
1675 unset($item['author-avatar']);
1677 unset($item['owner-link']);
1678 unset($item['owner-name']);
1679 unset($item['owner-avatar']);
1682 $ret = DBA::insert('item', $item);
1684 // When the item was successfully stored we fetch the ID of the item.
1685 if (DBA::isResult($ret)) {
1686 $current_post = DBA::lastInsertId();
1688 // This can happen - for example - if there are locking timeouts.
1691 // Store the data into a spool file so that we can try again later.
1693 // At first we restore the Diaspora signature that we removed above.
1694 if (isset($encoded_signature)) {
1695 $item['dsprsig'] = $encoded_signature;
1698 // Now we store the data in the spool directory
1699 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1700 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1702 $spoolpath = get_spoolpath();
1703 if ($spoolpath != "") {
1704 $spool = $spoolpath.'/'.$file;
1706 // Ensure to have the removed data from above again in the item array
1707 $item = array_merge($item, $delivery_data);
1709 file_put_contents($spool, json_encode($item));
1710 Logger::log("Item wasn't stored - Item was spooled into file ".$file, Logger::DEBUG);
1715 if ($current_post == 0) {
1716 // This is one of these error messages that never should occur.
1717 Logger::log("couldn't find created item - we better quit now.");
1722 // How much entries have we created?
1723 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1724 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1727 // There are duplicates. We delete our just created entry.
1728 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1730 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1731 DBA::delete('item', ['id' => $current_post]);
1734 } elseif ($entries == 0) {
1735 // This really should never happen since we quit earlier if there were problems.
1736 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1741 Logger::log('created item '.$current_post);
1742 self::updateContact($item);
1744 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1745 $parent_id = $current_post;
1749 self::update(['parent' => $parent_id], ['id' => $current_post]);
1751 $item['id'] = $current_post;
1752 $item['parent'] = $parent_id;
1754 // update the commented timestamp on the parent
1755 // Only update "commented" if it is really a comment
1756 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1757 self::update(['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1759 self::update(['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1764 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1765 * We can check for this condition when we decode and encode the stuff again.
1767 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1768 $dsprsig->signature = base64_decode($dsprsig->signature);
1769 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1772 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1773 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1775 // The other fields are used by very old Friendica servers, so we currently store them differently
1776 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1777 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1781 if (!empty($diaspora_signed_text)) {
1782 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1785 $deleted = self::tagDeliver($item['uid'], $current_post);
1788 * current post can be deleted if is for a community page and no mention are
1791 if (!$deleted && !$dontcache) {
1792 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1793 if (DBA::isResult($posted_item)) {
1795 Addon::callHooks('post_local_end', $posted_item);
1797 Addon::callHooks('post_remote_end', $posted_item);
1800 Logger::log('new item not found in DB, id ' . $current_post);
1804 if ($item['parent-uri'] === $item['uri']) {
1805 self::addThread($current_post);
1807 self::updateThread($parent_id);
1810 $delivery_data['iid'] = $current_post;
1812 self::insertDeliveryData($delivery_data);
1817 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1818 * This is not perfect - but a workable solution until we found the reason for the problem.
1820 if (!empty($tags)) {
1821 Term::insertFromTagFieldByItemId($current_post, $tags);
1824 if (!empty($files)) {
1825 Term::insertFromFileFieldByItemId($current_post, $files);
1828 if ($item['parent-uri'] === $item['uri']) {
1829 self::addShadow($current_post);
1831 self::addShadowPost($current_post);
1834 check_user_notification($current_post);
1837 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1838 } elseif ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin'])) {
1839 if ($item['gravity'] == GRAVITY_ACTIVITY) {
1840 $cmd = $item['origin'] ? 'activity-new' : 'activity-import';
1841 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
1842 $cmd = $item['origin'] ? 'comment-new' : 'comment-import';
1847 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', $cmd, $current_post);
1850 return $current_post;
1854 * @brief Insert a new item delivery data entry
1856 * @param array $item The item fields that are to be inserted
1858 private static function insertDeliveryData($delivery_data)
1860 if (empty($delivery_data['iid']) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1864 DBA::insert('item-delivery-data', $delivery_data);
1868 * @brief Update an existing item delivery data entry
1870 * @param integer $id The item id that is to be updated
1871 * @param array $item The item fields that are to be inserted
1873 private static function updateDeliveryData($id, $delivery_data)
1875 if (empty($id) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1879 DBA::update('item-delivery-data', $delivery_data, ['iid' => $id], true);
1883 * @brief Insert a new item content entry
1885 * @param array $item The item fields that are to be inserted
1887 private static function insertActivity(&$item)
1889 $activity_index = self::activityToIndex($item['verb']);
1891 if ($activity_index < 0) {
1895 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1897 // We just remove everything that is content
1898 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1899 unset($item[$field]);
1902 // To avoid timing problems, we are using locks.
1903 $locked = Lock::acquire('item_insert_activity');
1905 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1908 // Do we already have this content?
1909 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
1910 if (DBA::isResult($item_activity)) {
1911 $item['iaid'] = $item_activity['id'];
1912 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1913 } elseif (DBA::insert('item-activity', $fields)) {
1914 $item['iaid'] = DBA::lastInsertId();
1915 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1917 // This shouldn't happen.
1918 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1919 Lock::release('item_insert_activity');
1923 Lock::release('item_insert_activity');
1929 * @brief Insert a new item content entry
1931 * @param array $item The item fields that are to be inserted
1933 private static function insertContent(&$item)
1935 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1937 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1938 if (isset($item[$field])) {
1939 $fields[$field] = $item[$field];
1940 unset($item[$field]);
1944 // To avoid timing problems, we are using locks.
1945 $locked = Lock::acquire('item_insert_content');
1947 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1950 // Do we already have this content?
1951 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
1952 if (DBA::isResult($item_content)) {
1953 $item['icid'] = $item_content['id'];
1954 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1955 } elseif (DBA::insert('item-content', $fields)) {
1956 $item['icid'] = DBA::lastInsertId();
1957 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1959 // This shouldn't happen.
1960 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
1963 Lock::release('item_insert_content');
1968 * @brief Update existing item content entries
1970 * @param array $item The item fields that are to be changed
1971 * @param array $condition The condition for finding the item content entries
1973 private static function updateActivity($item, $condition)
1975 if (empty($item['verb'])) {
1978 $activity_index = self::activityToIndex($item['verb']);
1980 if ($activity_index < 0) {
1984 $fields = ['activity' => $activity_index];
1986 Logger::log('Update activity for ' . json_encode($condition));
1988 DBA::update('item-activity', $fields, $condition, true);
1994 * @brief Update existing item content entries
1996 * @param array $item The item fields that are to be changed
1997 * @param array $condition The condition for finding the item content entries
1999 private static function updateContent($item, $condition)
2001 // We have to select only the fields from the "item-content" table
2003 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2004 if (isset($item[$field])) {
2005 $fields[$field] = $item[$field];
2009 if (empty($fields)) {
2010 // when there are no fields at all, just use the condition
2011 // This is to ensure that we always store content.
2012 $fields = $condition;
2015 Logger::log('Update content for ' . json_encode($condition));
2017 DBA::update('item-content', $fields, $condition, true);
2021 * @brief Distributes public items to the receivers
2023 * @param integer $itemid Item ID that should be added
2024 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2026 public static function distribute($itemid, $signed_text = '')
2028 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2029 $parent = self::selectFirst(['owner-id'], $condition);
2030 if (!DBA::isResult($parent)) {
2034 // Only distribute public items from native networks
2035 $condition = ['id' => $itemid, 'uid' => 0,
2036 'network' => [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""],
2037 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2038 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2039 if (!DBA::isResult($item)) {
2043 $origin = $item['origin'];
2046 unset($item['parent']);
2047 unset($item['mention']);
2048 unset($item['wall']);
2049 unset($item['origin']);
2050 unset($item['starred']);
2054 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2055 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2056 if (!DBA::isResult($owner)) {
2060 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2061 $contacts = DBA::select('contact', ['uid'], $condition);
2062 while ($contact = DBA::fetch($contacts)) {
2063 if ($contact['uid'] == 0) {
2067 $users[$contact['uid']] = $contact['uid'];
2069 DBA::close($contacts);
2071 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2072 $contacts = DBA::select('contact', ['uid'], $condition);
2073 while ($contact = DBA::fetch($contacts)) {
2074 if ($contact['uid'] == 0) {
2078 $users[$contact['uid']] = $contact['uid'];
2080 DBA::close($contacts);
2082 if (!empty($owner['alias'])) {
2083 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2084 $contacts = DBA::select('contact', ['uid'], $condition);
2085 while ($contact = DBA::fetch($contacts)) {
2086 if ($contact['uid'] == 0) {
2090 $users[$contact['uid']] = $contact['uid'];
2092 DBA::close($contacts);
2097 if ($item['uri'] != $item['parent-uri']) {
2098 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2099 while ($parent = self::fetch($parents)) {
2100 $users[$parent['uid']] = $parent['uid'];
2101 if ($parent['origin'] && !$origin) {
2102 $origin_uid = $parent['uid'];
2107 foreach ($users as $uid) {
2108 if ($origin_uid == $uid) {
2109 $item['diaspora_signed_text'] = $signed_text;
2111 self::storeForUser($itemid, $item, $uid);
2116 * @brief Store public items for the receivers
2118 * @param integer $itemid Item ID that should be added
2119 * @param array $item The item entry that will be stored
2120 * @param integer $uid The user that will receive the item entry
2122 private static function storeForUser($itemid, $item, $uid)
2124 $item['uid'] = $uid;
2125 $item['origin'] = 0;
2127 if ($item['uri'] == $item['parent-uri']) {
2128 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2130 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2133 if (empty($item['contact-id'])) {
2134 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2135 if (!DBA::isResult($self)) {
2138 $item['contact-id'] = $self['id'];
2141 /// @todo Handling of "event-id"
2144 if ($item['uri'] == $item['parent-uri']) {
2145 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2146 if (DBA::isResult($contact)) {
2147 $notify = self::isRemoteSelf($contact, $item);
2151 $distributed = self::insert($item, false, $notify, true);
2153 if (!$distributed) {
2154 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2156 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2161 * @brief Add a shadow entry for a given item id that is a thread starter
2163 * We store every public item entry additionally with the user id "0".
2164 * This is used for the community page and for the search.
2165 * It is planned that in the future we will store public item entries only once.
2167 * @param integer $itemid Item ID that should be added
2169 public static function addShadow($itemid)
2171 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2172 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2173 $item = self::selectFirst($fields, $condition);
2175 if (!DBA::isResult($item)) {
2179 // is it already a copy?
2180 if (($itemid == 0) || ($item['uid'] == 0)) {
2184 // Is it a visible public post?
2185 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2189 // is it an entry from a connector? Only add an entry for natively connected networks
2190 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
2194 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2198 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2200 if (DBA::isResult($item)) {
2201 // Preparing public shadow (removing user specific data)
2204 unset($item['parent']);
2205 unset($item['wall']);
2206 unset($item['mention']);
2207 unset($item['origin']);
2208 unset($item['starred']);
2209 unset($item['postopts']);
2210 unset($item['inform']);
2211 if ($item['uri'] == $item['parent-uri']) {
2212 $item['contact-id'] = $item['owner-id'];
2214 $item['contact-id'] = $item['author-id'];
2217 $public_shadow = self::insert($item, false, false, true);
2219 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2224 * @brief Add a shadow entry for a given item id that is a comment
2226 * This function does the same like the function above - but for comments
2228 * @param integer $itemid Item ID that should be added
2230 public static function addShadowPost($itemid)
2232 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2233 if (!DBA::isResult($item)) {
2237 // Is it a toplevel post?
2238 if ($item['id'] == $item['parent']) {
2239 self::addShadow($itemid);
2243 // Is this a shadow entry?
2244 if ($item['uid'] == 0) {
2248 // Is there a shadow parent?
2249 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2253 // Is there already a shadow entry?
2254 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2258 // Save "origin" and "parent" state
2259 $origin = $item['origin'];
2260 $parent = $item['parent'];
2262 // Preparing public shadow (removing user specific data)
2265 unset($item['parent']);
2266 unset($item['wall']);
2267 unset($item['mention']);
2268 unset($item['origin']);
2269 unset($item['starred']);
2270 unset($item['postopts']);
2271 unset($item['inform']);
2272 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2274 $public_shadow = self::insert($item, false, false, true);
2276 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2278 // If this was a comment to a Diaspora post we don't get our comment back.
2279 // This means that we have to distribute the comment by ourselves.
2280 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2281 self::distribute($public_shadow);
2286 * Adds a language specification in a "language" element of given $arr.
2287 * Expects "body" element to exist in $arr.
2289 private static function addLanguageToItemArray(&$item)
2291 $naked_body = BBCode::toPlaintext($item['body'], false);
2293 $ld = new Text_LanguageDetect();
2294 $ld->setNameMode(2);
2295 $languages = $ld->detect($naked_body, 3);
2297 if (is_array($languages)) {
2298 $item['language'] = json_encode($languages);
2303 * @brief Creates an unique guid out of a given uri
2305 * @param string $uri uri of an item entry
2306 * @param string $host hostname for the GUID prefix
2307 * @return string unique guid
2309 public static function guidFromUri($uri, $host)
2311 // Our regular guid routine is using this kind of prefix as well
2312 // We have to avoid that different routines could accidentally create the same value
2313 $parsed = parse_url($uri);
2315 // We use a hash of the hostname as prefix for the guid
2316 $guid_prefix = hash("crc32", $host);
2318 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2319 unset($parsed["scheme"]);
2321 // Glue it together to be able to make a hash from it
2322 $host_id = implode("/", $parsed);
2324 // We could use any hash algorithm since it isn't a security issue
2325 $host_hash = hash("ripemd128", $host_id);
2327 return $guid_prefix.$host_hash;
2331 * generate an unique URI
2333 * @param integer $uid User id
2334 * @param string $guid An existing GUID (Otherwise it will be generated)
2338 public static function newURI($uid, $guid = "")
2341 $guid = System::createUUID();
2344 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2348 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2350 * This can be used to filter for inactive contacts.
2351 * Only do this for public postings to avoid privacy problems, since poco data is public.
2352 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2354 * @param array $arr Contains the just posted item record
2356 private static function updateContact($arr)
2358 // Unarchive the author
2359 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2360 if (DBA::isResult($contact)) {
2361 Contact::unmarkForArchival($contact);
2364 // Unarchive the contact if it's not our own contact
2365 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2366 if (DBA::isResult($contact)) {
2367 Contact::unmarkForArchival($contact);
2370 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2372 // Is it a forum? Then we don't care about the rules from above
2373 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2374 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2380 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2381 ['id' => $arr['contact-id']]);
2383 // Now do the same for the system wide contacts with uid=0
2384 if (!$arr['private']) {
2385 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2386 ['id' => $arr['owner-id']]);
2388 if ($arr['owner-id'] != $arr['author-id']) {
2389 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2390 ['id' => $arr['author-id']]);
2395 public static function setHashtags(&$item)
2398 $tags = BBCode::getTags($item["body"]);
2401 if (!count($tags)) {
2405 // This sorting is important when there are hashtags that are part of other hashtags
2406 // Otherwise there could be problems with hashtags like #test and #test2
2409 $URLSearchString = "^\[\]";
2411 // All hashtags should point to the home server if "local_tags" is activated
2412 if (Config::get('system', 'local_tags')) {
2413 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2414 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2416 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2417 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2420 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2421 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2423 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2426 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2428 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2431 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2433 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2436 // Repair recursive urls
2437 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2438 "#$2", $item["body"]);
2440 foreach ($tags as $tag) {
2441 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2445 $basetag = str_replace('_',' ',substr($tag,1));
2447 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2449 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2451 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2452 if (strlen($item["tag"])) {
2453 $item["tag"] = ',' . $item["tag"];
2455 $item["tag"] = $newtag . $item["tag"];
2459 // Convert back the masked hashtags
2460 $item["body"] = str_replace("#", "#", $item["body"]);
2463 public static function getGuidById($id)
2465 $item = self::selectFirst(['guid'], ['id' => $id]);
2466 if (DBA::isResult($item)) {
2467 return $item['guid'];
2474 * This function is only used for the old Friendica app on Android that doesn't like paths with guid
2475 * @param string $guid item guid
2476 * @param int $uid user id
2477 * @return array with id and nick of the item with the given guid
2479 public static function getIdAndNickByGuid($guid, $uid = 0)
2485 $uid == local_user();
2488 // Does the given user have this item?
2490 $item = self::selectFirst(['id'], ['guid' => $guid, 'uid' => $uid]);
2491 if (DBA::isResult($item)) {
2492 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $uid]);
2493 if (!DBA::isResult($user)) {
2497 $nick = $user['nickname'];
2501 // Or is it anywhere on the server?
2503 $condition = ["`guid` = ? AND `uid` != 0", $guid];
2504 $item = self::selectFirst(['id', 'uid'], $condition);
2505 if (DBA::isResult($item)) {
2506 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
2507 if (!DBA::isResult($user)) {
2511 $nick = $user['nickname'];
2514 return ["nick" => $nick, "id" => $id];
2518 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2520 * @param int $item_id
2521 * @return bool true if item was deleted, else false
2523 private static function tagDeliver($uid, $item_id)
2527 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2528 if (!DBA::isResult($user)) {
2532 $community_page = (($user['page-flags'] == Contact::PAGE_COMMUNITY) ? true : false);
2533 $prvgroup = (($user['page-flags'] == Contact::PAGE_PRVGROUP) ? true : false);
2535 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2536 if (!DBA::isResult($item)) {
2540 $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
2543 * Diaspora uses their own hardwired link URL in @-tags
2544 * instead of the one we supply with webfinger
2546 $dlink = Strings::normaliseLink(System::baseUrl() . '/u/' . $user['nickname']);
2548 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2550 foreach ($matches as $mtch) {
2551 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2553 Logger::log('mention found: ' . $mtch[2]);
2559 if (($community_page || $prvgroup) &&
2560 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2561 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2563 Logger::log("no-mention top-level post to community or private group. delete.");
2564 DBA::delete('item', ['id' => $item_id]);
2570 $arr = ['item' => $item, 'user' => $user];
2572 Addon::callHooks('tagged', $arr);
2574 if (!$community_page && !$prvgroup) {
2579 * tgroup delivery - setup a second delivery chain
2580 * prevent delivery looping - only proceed
2581 * if the message originated elsewhere and is a top-level post
2583 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2587 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2588 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2589 if (!DBA::isResult($self)) {
2593 $owner_id = Contact::getIdForURL($self['url']);
2595 // also reset all the privacy bits to the forum default permissions
2597 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2599 $psid = PermissionSet::fetchIDForPost($user);
2601 $forum_mode = ($prvgroup ? 2 : 1);
2603 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2604 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2605 self::update($fields, ['id' => $item_id]);
2607 self::updateThread($item_id);
2609 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2612 public static function isRemoteSelf($contact, &$datarray)
2616 if (!$contact['remote_self']) {
2620 // Prevent the forwarding of posts that are forwarded
2621 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2622 Logger::log('Already forwarded', Logger::DEBUG);
2626 // Prevent to forward already forwarded posts
2627 if ($datarray["app"] == $a->getHostName()) {
2628 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2632 // Only forward posts
2633 if ($datarray["verb"] != ACTIVITY_POST) {
2634 Logger::log('No post', Logger::DEBUG);
2638 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2639 Logger::log('Not public', Logger::DEBUG);
2643 $datarray2 = $datarray;
2644 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2645 if ($contact['remote_self'] == 2) {
2646 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2647 ['uid' => $contact['uid'], 'self' => true]);
2648 if (DBA::isResult($self)) {
2649 $datarray['contact-id'] = $self["id"];
2651 $datarray['owner-name'] = $self["name"];
2652 $datarray['owner-link'] = $self["url"];
2653 $datarray['owner-avatar'] = $self["thumb"];
2655 $datarray['author-name'] = $datarray['owner-name'];
2656 $datarray['author-link'] = $datarray['owner-link'];
2657 $datarray['author-avatar'] = $datarray['owner-avatar'];
2659 unset($datarray['created']);
2660 unset($datarray['edited']);
2662 unset($datarray['network']);
2663 unset($datarray['owner-id']);
2664 unset($datarray['author-id']);
2667 if ($contact['network'] != Protocol::FEED) {
2668 $datarray["guid"] = System::createUUID();
2669 unset($datarray["plink"]);
2670 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2671 $datarray["parent-uri"] = $datarray["uri"];
2672 $datarray["thr-parent"] = $datarray["uri"];
2673 $datarray["extid"] = Protocol::DFRN;
2674 $urlpart = parse_url($datarray2['author-link']);
2675 $datarray["app"] = $urlpart["host"];
2677 $datarray['private'] = 0;
2681 if ($contact['network'] != Protocol::FEED) {
2682 // Store the original post
2683 $result = self::insert($datarray2, false, false);
2684 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2686 $datarray["app"] = "Feed";
2690 // Trigger automatic reactions for addons
2691 $datarray['api_source'] = true;
2693 // We have to tell the hooks who we are - this really should be improved
2694 $_SESSION["authenticated"] = true;
2695 $_SESSION["uid"] = $contact['uid'];
2704 * @param array $item
2708 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2710 if (Config::get('system', 'disable_embedded')) {
2714 Logger::log('check for photos', Logger::DEBUG);
2715 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2720 $img_start = strpos($orig_body, '[img');
2721 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2722 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2724 while (($img_st_close !== false) && ($img_len !== false)) {
2725 $img_st_close++; // make it point to AFTER the closing bracket
2726 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2728 Logger::log('found photo ' . $image, Logger::DEBUG);
2730 if (stristr($image, $site . '/photo/')) {
2731 // Only embed locally hosted photos
2733 $i = basename($image);
2734 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2735 $x = strpos($i, '-');
2738 $res = substr($i, $x + 1);
2739 $i = substr($i, 0, $x);
2740 $photo = Photo::getPhotoForUser($uid, $i, $res);
2741 if (DBA::isResult($photo)) {
2743 * Check to see if we should replace this photo link with an embedded image
2744 * 1. No need to do so if the photo is public
2745 * 2. If there's a contact-id provided, see if they're in the access list
2746 * for the photo. If so, embed it.
2747 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2748 * permissions, regardless of order but first check to see if they're an exact
2749 * match to save some processing overhead.
2751 if (self::hasPermissions($photo)) {
2753 $recips = self::enumeratePermissions($photo);
2754 if (in_array($cid, $recips)) {
2758 if (self::samePermissions($item, $photo)) {
2764 $photo_img = Photo::getImageForPhoto($photo);
2765 // If a custom width and height were specified, apply before embedding
2766 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2767 Logger::log('scaling photo', Logger::DEBUG);
2769 $width = intval($match[1]);
2770 $height = intval($match[2]);
2772 $photo_img->scaleDown(max($width, $height));
2775 $data = $photo_img->asString();
2776 $type = $photo_img->getType();
2778 Logger::log('replacing photo', Logger::DEBUG);
2779 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2780 Logger::log('replaced: ' . $image, Logger::DATA);
2786 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2787 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2788 if ($orig_body === false) {
2792 $img_start = strpos($orig_body, '[img');
2793 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2794 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2797 $new_body = $new_body . $orig_body;
2802 private static function hasPermissions($obj)
2804 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2805 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2808 private static function samePermissions($obj1, $obj2)
2810 // first part is easy. Check that these are exactly the same.
2811 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2812 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2813 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2814 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2818 // This is harder. Parse all the permissions and compare the resulting set.
2819 $recipients1 = self::enumeratePermissions($obj1);
2820 $recipients2 = self::enumeratePermissions($obj2);
2824 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2825 return ($recipients1 == $recipients2);
2828 // returns an array of contact-ids that are allowed to see this object
2829 public static function enumeratePermissions($obj)
2831 $allow_people = expand_acl($obj['allow_cid']);
2832 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2833 $deny_people = expand_acl($obj['deny_cid']);
2834 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2835 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2836 $deny = array_unique(array_merge($deny_people, $deny_groups));
2837 $recipients = array_diff($recipients, $deny);
2841 public static function getFeedTags($item)
2845 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2847 for ($x = 0; $x < $cnt; $x ++) {
2848 if ($matches[1][$x]) {
2849 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2854 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2856 for ($x = 0; $x < $cnt; $x ++) {
2857 if ($matches[1][$x]) {
2858 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2865 public static function expire($uid, $days, $network = "", $force = false)
2867 if (!$uid || ($days < 1)) {
2871 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2872 $uid, GRAVITY_PARENT];
2875 * $expire_network_only = save your own wall posts
2876 * and just expire conversations started by others
2878 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2880 if ($expire_network_only) {
2881 $condition[0] .= " AND NOT `wall`";
2884 if ($network != "") {
2885 $condition[0] .= " AND `network` = ?";
2886 $condition[] = $network;
2889 * There is an index "uid_network_received" but not "uid_network_created"
2890 * This avoids the creation of another index just for one purpose.
2891 * And it doesn't really matter wether to look at "received" or "created"
2893 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2894 $condition[] = $days;
2896 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2897 $condition[] = $days;
2900 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2902 if (!DBA::isResult($items)) {
2906 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2908 // Forcing expiring of items - but not notes and marked items
2910 $expire_items = true;
2913 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2914 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2915 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2919 while ($item = Item::fetch($items)) {
2920 // don't expire filed items
2922 if (strpos($item['file'], '[') !== false) {
2926 // Only expire posts, not photos and photo comments
2928 if (!$expire_photos && strlen($item['resource-id'])) {
2930 } elseif (!$expire_starred && intval($item['starred'])) {
2932 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
2934 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
2938 self::deleteById($item['id'], PRIORITY_LOW);
2943 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2946 public static function firstPostDate($uid, $wall = false)
2948 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2949 $params = ['order' => ['created' => false]];
2950 $thread = DBA::selectFirst('thread', ['created'], $condition, $params);
2951 if (DBA::isResult($thread)) {
2952 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2958 * @brief add/remove activity to an item
2960 * Toggle activities as like,dislike,attend of an item
2962 * @param string $item_id
2963 * @param string $verb
2964 * Activity verb. One of
2965 * like, unlike, dislike, undislike, attendyes, unattendyes,
2966 * attendno, unattendno, attendmaybe, unattendmaybe
2967 * @hook 'post_local_end'
2969 * 'post_id' => ID of posted item
2971 public static function performLike($item_id, $verb)
2973 if (!local_user() && !remote_user()) {
2980 $activity = ACTIVITY_LIKE;
2984 $activity = ACTIVITY_DISLIKE;
2988 $activity = ACTIVITY_ATTEND;
2992 $activity = ACTIVITY_ATTENDNO;
2995 case 'unattendmaybe':
2996 $activity = ACTIVITY_ATTENDMAYBE;
2999 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3003 // Enable activity toggling instead of on/off
3004 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
3006 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3008 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3009 if (!DBA::isResult($item)) {
3010 Logger::log('like: unknown item ' . $item_id);
3014 $item_uri = $item['uri'];
3016 $uid = $item['uid'];
3017 if (($uid == 0) && local_user()) {
3018 $uid = local_user();
3021 if (!Security::canWriteToUserWall($uid)) {
3022 Logger::log('like: unable to write on wall ' . $uid);
3026 // Retrieves the local post owner
3027 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3028 if (!DBA::isResult($owner_self_contact)) {
3029 Logger::log('like: unknown owner ' . $uid);
3033 // Retrieve the current logged in user's public contact
3034 $author_id = public_contact();
3036 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3037 if (!DBA::isResult($author_contact)) {
3038 Logger::log('like: unknown author ' . $author_id);
3042 // Contact-id is the uid-dependant author contact
3043 if (local_user() == $uid) {
3044 $item_contact_id = $owner_self_contact['id'];
3045 $item_contact = $owner_self_contact;
3047 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3048 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3049 if (!DBA::isResult($item_contact)) {
3050 Logger::log('like: unknown item contact ' . $item_contact_id);
3055 // Look for an existing verb row
3056 // event participation are essentially radio toggles. If you make a subsequent choice,
3057 // we need to eradicate your first choice.
3058 if ($event_verb_flag) {
3059 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
3061 // Translate to the index based activity index
3063 foreach ($verbs as $verb) {
3064 $activities[] = self::activityToIndex($verb);
3067 $activities = self::activityToIndex($activity);
3070 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3071 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3073 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3075 // If it exists, mark it as deleted
3076 if (DBA::isResult($like_item)) {
3077 self::deleteById($like_item['id']);
3079 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3084 // Verb is "un-something", just trying to delete existing entries
3085 if (strpos($verb, 'un') === 0) {
3089 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE;
3092 'guid' => System::createUUID(),
3093 'uri' => self::newURI($item['uid']),
3094 'uid' => $item['uid'],
3095 'contact-id' => $item_contact_id,
3096 'wall' => $item['wall'],
3098 'network' => Protocol::DFRN,
3099 'gravity' => GRAVITY_ACTIVITY,
3100 'parent' => $item['id'],
3101 'parent-uri' => $item['uri'],
3102 'thr-parent' => $item['uri'],
3103 'owner-id' => $author_id,
3104 'author-id' => $author_id,
3105 'body' => $activity,
3106 'verb' => $activity,
3107 'object-type' => $objtype,
3108 'allow_cid' => $item['allow_cid'],
3109 'allow_gid' => $item['allow_gid'],
3110 'deny_cid' => $item['deny_cid'],
3111 'deny_gid' => $item['deny_gid'],
3116 $signed = Diaspora::createLikeSignature($uid, $new_item);
3117 if (!empty($signed)) {
3118 $new_item['diaspora_signed_text'] = json_encode($signed);
3121 $new_item_id = self::insert($new_item);
3123 // If the parent item isn't visible then set it to visible
3124 if (!$item['visible']) {
3125 self::update(['visible' => true], ['id' => $item['id']]);
3128 $new_item['id'] = $new_item_id;
3130 Addon::callHooks('post_local_end', $new_item);
3135 private static function addThread($itemid, $onlyshadow = false)
3137 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3138 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3139 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3140 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3141 $item = self::selectFirst($fields, $condition);
3143 if (!DBA::isResult($item)) {
3147 $item['iid'] = $itemid;
3150 $result = DBA::insert('thread', $item);
3152 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3156 private static function updateThread($itemid, $setmention = false)
3158 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3159 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3160 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3161 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3163 $item = self::selectFirst($fields, $condition);
3164 if (!DBA::isResult($item)) {
3169 $item["mention"] = 1;
3176 foreach ($item as $field => $data) {
3177 if (!in_array($field, ["guid"])) {
3178 $fields[$field] = $data;
3182 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3184 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3187 private static function deleteThread($itemid, $itemuri = "")
3189 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3190 if (!DBA::isResult($item)) {
3191 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3195 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3197 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3199 if ($itemuri != "") {
3200 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3201 if (!self::exists($condition)) {
3202 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3203 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3208 public static function getPermissionsSQLByUserId($owner_id, $remote_verified = false, $groups = null, $remote_cid = null)
3210 $local_user = local_user();
3211 $remote_user = remote_user();
3214 * Construct permissions
3216 * default permissions - anonymous user
3218 $sql = " AND NOT `item`.`private`";
3220 // Profile owner - everything is visible
3221 if ($local_user && ($local_user == $owner_id)) {
3223 } elseif ($remote_user) {
3225 * Authenticated visitor. Unless pre-verified,
3226 * check that the contact belongs to this $owner_id
3227 * and load the groups the visitor belongs to.
3228 * If pre-verified, the caller is expected to have already
3229 * done this and passed the groups into this function.
3231 $set = PermissionSet::get($owner_id, $remote_cid, $groups);
3234 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3239 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3246 * get translated item type
3248 * @param array $itme
3251 public static function postType($item)
3253 if (!empty($item['event-id'])) {
3254 return L10n::t('event');
3255 } elseif (!empty($item['resource-id'])) {
3256 return L10n::t('photo');
3257 } elseif (!empty($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
3258 return L10n::t('activity');
3259 } elseif ($item['id'] != $item['parent']) {
3260 return L10n::t('comment');
3263 return L10n::t('post');
3267 * Sets the "rendered-html" field of the provided item
3269 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3271 * @param array $item
3272 * @param bool $update
3274 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3276 public static function putInCache(&$item, $update = false)
3278 $body = $item["body"];
3280 $rendered_hash = defaults($item, 'rendered-hash', '');
3281 $rendered_html = defaults($item, 'rendered-html', '');
3283 if ($rendered_hash == ''
3284 || $rendered_html == ""
3285 || $rendered_hash != hash("md5", $item["body"])
3286 || Config::get("system", "ignore_cache")
3288 $a = self::getApp();
3289 redir_private_images($a, $item);
3291 $item["rendered-html"] = prepare_text($item["body"]);
3292 $item["rendered-hash"] = hash("md5", $item["body"]);
3294 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3295 Addon::callHooks('put_item_in_cache', $hook_data);
3296 $item['rendered-html'] = $hook_data['rendered-html'];
3297 $item['rendered-hash'] = $hook_data['rendered-hash'];
3300 // Force an update if the generated values differ from the existing ones
3301 if ($rendered_hash != $item["rendered-hash"]) {
3305 // Only compare the HTML when we forcefully ignore the cache
3306 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3310 if ($update && !empty($item["id"])) {
3313 'rendered-html' => $item["rendered-html"],
3314 'rendered-hash' => $item["rendered-hash"]
3316 ['id' => $item["id"]]
3321 $item["body"] = $body;
3325 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3326 * If attach is true, also add icons for item attachments.
3328 * @param array $item
3329 * @param boolean $attach
3330 * @param boolean $is_preview
3331 * @return string item body html
3332 * @hook prepare_body_init item array before any work
3333 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3334 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3335 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3337 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3339 $a = self::getApp();
3340 Addon::callHooks('prepare_body_init', $item);
3342 // In order to provide theme developers more possibilities, event items
3343 // are treated differently.
3344 if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
3345 $ev = Event::getItemHTML($item);
3349 $tags = Term::populateTagsFromItem($item);
3351 $item['tags'] = $tags['tags'];
3352 $item['hashtags'] = $tags['hashtags'];
3353 $item['mentions'] = $tags['mentions'];
3355 // Compile eventual content filter reasons
3356 $filter_reasons = [];
3357 if (!$is_preview && public_contact() != $item['author-id']) {
3358 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3359 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3364 'filter_reasons' => $filter_reasons
3366 Addon::callHooks('prepare_body_content_filter', $hook_data);
3367 $filter_reasons = $hook_data['filter_reasons'];
3371 // Update the cached values if there is no "zrl=..." on the links.
3372 $update = (!local_user() && !remote_user() && ($item["uid"] == 0));
3374 // Or update it if the current viewer is the intented viewer.
3375 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3379 self::putInCache($item, $update);
3380 $s = $item["rendered-html"];
3385 'preview' => $is_preview,
3386 'filter_reasons' => $filter_reasons
3388 Addon::callHooks('prepare_body', $hook_data);
3389 $s = $hook_data['html'];
3393 // Replace the blockquotes with quotes that are used in mails.
3394 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3395 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3402 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3403 foreach ($matches as $mtch) {
3406 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3408 if (strpos($mime, 'video') !== false) {
3411 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'), [
3412 '$baseurl' => System::baseUrl(),
3416 $url_parts = explode('/', $the_url);
3417 $id = end($url_parts);
3418 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3421 'title' => L10n::t('View Video'),
3428 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3430 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3431 $filesubtype = str_replace('.', '-', $filesubtype);
3434 $filesubtype = 'unkn';
3437 $title = Strings::escapeHtml(trim(defaults($mtch, 4, $mtch[1])));
3438 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3440 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3441 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3445 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3449 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3450 $x = Map::byCoordinates(trim($item['coord']));
3452 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3457 // Look for spoiler.
3458 $spoilersearch = '<blockquote class="spoiler">';
3460 // Remove line breaks before the spoiler.
3461 while ((strpos($s, "\n" . $spoilersearch) !== false)) {
3462 $s = str_replace("\n" . $spoilersearch, $spoilersearch, $s);
3464 while ((strpos($s, "<br />" . $spoilersearch) !== false)) {
3465 $s = str_replace("<br />" . $spoilersearch, $spoilersearch, $s);
3468 while ((strpos($s, $spoilersearch) !== false)) {
3469 $pos = strpos($s, $spoilersearch);
3470 $rnd = Strings::getRandomHex(8);
3471 $spoilerreplace = '<br /> <span id="spoiler-wrap-' . $rnd . '" class="spoiler-wrap fakelink" onclick="openClose(\'spoiler-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
3472 '<blockquote class="spoiler" id="spoiler-' . $rnd . '" style="display: none;">';
3473 $s = substr($s, 0, $pos) . $spoilerreplace . substr($s, $pos + strlen($spoilersearch));
3476 // Look for quote with author.
3477 $authorsearch = '<blockquote class="author">';
3479 while ((strpos($s, $authorsearch) !== false)) {
3480 $pos = strpos($s, $authorsearch);
3481 $rnd = Strings::getRandomHex(8);
3482 $authorreplace = '<br /> <span id="author-wrap-' . $rnd . '" class="author-wrap fakelink" onclick="openClose(\'author-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
3483 '<blockquote class="author" id="author-' . $rnd . '" style="display: block;">';
3484 $s = substr($s, 0, $pos) . $authorreplace . substr($s, $pos + strlen($authorsearch));
3487 // Replace friendica image url size with theme preference.
3488 if (!empty($a->theme_info['item_image_size'])) {
3489 $ps = $a->theme_info['item_image_size'];
3490 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3493 $s = HTML::applyContentFilter($s, $filter_reasons);
3495 $hook_data = ['item' => $item, 'html' => $s];
3496 Addon::callHooks('prepare_body_final', $hook_data);
3498 return $hook_data['html'];
3502 * get private link for item
3503 * @param array $item
3504 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3506 public static function getPlink($item)
3508 $a = self::getApp();
3510 if ($a->user['nickname'] != "") {
3512 'href' => "display/" . $item['guid'],
3513 'orig' => "display/" . $item['guid'],
3514 'title' => L10n::t('View on separate page'),
3515 'orig_title' => L10n::t('view on separate page'),
3518 if (!empty($item['plink'])) {
3519 $ret["href"] = $a->removeBaseURL($item['plink']);
3520 $ret["title"] = L10n::t('link to source');
3523 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3525 'href' => $item['plink'],
3526 'orig' => $item['plink'],
3527 'title' => L10n::t('link to source'),