4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Core\Addon;
12 use Friendica\Core\Config;
13 use Friendica\Core\Lock;
14 use Friendica\Core\Logger;
15 use Friendica\Core\PConfig;
16 use Friendica\Core\Protocol;
17 use Friendica\Core\System;
18 use Friendica\Core\Worker;
19 use Friendica\Database\DBA;
20 use Friendica\Model\Contact;
21 use Friendica\Model\FileTag;
22 use Friendica\Model\PermissionSet;
23 use Friendica\Model\ItemURI;
24 use Friendica\Object\Image;
25 use Friendica\Protocol\Diaspora;
26 use Friendica\Protocol\OStatus;
27 use Friendica\Util\DateTimeFormat;
28 use Friendica\Util\XML;
29 use Friendica\Util\Security;
30 use Text_LanguageDetect;
32 require_once 'boot.php';
33 require_once 'include/items.php';
34 require_once 'include/text.php';
36 class Item extends BaseObject
38 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
45 const PT_DOCUMENT = 19;
47 const PT_PERSONAL_NOTE = 128;
49 // Field list that is used to display the items
50 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
51 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
52 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
53 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
54 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
55 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
56 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
57 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
58 'writable', 'self', 'cid', 'alias',
59 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
60 'event-summary', 'event-desc', 'event-location', 'event-type',
61 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
63 // Field list that is used to deliver items via the protocols
64 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
65 'created', 'edited', 'verb', 'object-type', 'object', 'target',
66 'private', 'title', 'body', 'location', 'coord', 'app',
67 'attach', 'tag', 'deleted', 'extid', 'post-type',
68 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
69 'author-id', 'author-link', 'owner-link', 'contact-uid',
70 'signed_text', 'signature', 'signer', 'network'];
72 // Field list for "item-content" table that is mixed with the item table
73 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
74 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
75 'object-type', 'object', 'target-type', 'target', 'plink'];
77 // Field list for "item-content" table that is not present in the "item" table
78 const CONTENT_FIELDLIST = ['language'];
80 // Field list for additional delivery data
81 const DELIVERY_DATA_FIELDLIST = ['postopts', 'inform'];
83 // All fields in the item table
84 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
85 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
86 'created', 'edited', 'commented', 'received', 'changed', 'verb',
87 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
88 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
89 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
90 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
91 'title', 'content-warning', 'body', 'location', 'coord', 'app',
92 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
93 'author-id', 'author-link', 'author-name', 'author-avatar',
94 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
96 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
97 // The item-activity table only stores the index and needs this array to know the matching activity.
98 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
100 private static $legacy_mode = null;
102 public static function isLegacyMode()
104 if (is_null(self::$legacy_mode)) {
105 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
108 return self::$legacy_mode;
112 * @brief returns an activity index from an activity string
114 * @param string $activity activity string
115 * @return integer Activity index
117 public static function activityToIndex($activity)
119 $index = array_search($activity, self::ACTIVITIES);
121 if (is_bool($index)) {
129 * @brief returns an activity string from an activity index
131 * @param integer $index activity index
132 * @return string Activity string
134 private static function indexToActivity($index)
136 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
140 return self::ACTIVITIES[$index];
144 * @brief Fetch a single item row
146 * @param mixed $stmt statement object
147 * @return array current row
149 public static function fetch($stmt)
151 $row = DBA::fetch($stmt);
157 // ---------------------- Transform item structure data ----------------------
159 // We prefer the data from the user's contact over the public one
160 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
161 ($row['author-link'] == $row['contact-link'])) {
162 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
163 $row['author-avatar'] = $row['contact-avatar'];
165 if (isset($row['author-name']) && !empty($row['contact-name'])) {
166 $row['author-name'] = $row['contact-name'];
170 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
171 ($row['owner-link'] == $row['contact-link'])) {
172 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
173 $row['owner-avatar'] = $row['contact-avatar'];
175 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
176 $row['owner-name'] = $row['contact-name'];
180 // We can always comment on posts from these networks
181 if (array_key_exists('writable', $row) &&
182 in_array($row['internal-network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])) {
183 $row['writable'] = true;
186 // ---------------------- Transform item content data ----------------------
188 // Fetch data from the item-content table whenever there is content there
189 if (self::isLegacyMode()) {
190 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
191 foreach ($legacy_fields as $field) {
192 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
193 $row[$field] = $row['internal-item-' . $field];
195 unset($row['internal-item-' . $field]);
199 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
200 $row['verb'] = self::indexToActivity($row['internal-activity']);
201 if (array_key_exists('title', $row)) {
204 if (array_key_exists('body', $row)) {
205 $row['body'] = $row['verb'];
207 if (array_key_exists('object', $row)) {
210 if (array_key_exists('object-type', $row)) {
211 $row['object-type'] = ACTIVITY_OBJ_NOTE;
213 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
214 // Posts don't have an object or target - but having tags or files.
215 // We safe some performance by building tag and file strings only here.
216 // We remove object and target since they aren't used for this type.
217 if (array_key_exists('object', $row)) {
220 if (array_key_exists('target', $row)) {
225 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
226 // Build the tag string out of the term entries
227 if (array_key_exists('tag', $row) && empty($row['tag'])) {
228 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
231 // Build the file string out of the term entries
232 if (array_key_exists('file', $row) && empty($row['file'])) {
233 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
237 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
238 $row['signed_text'] = $row['interaction'];
241 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
242 $row['ignored'] = $row['internal-user-ignored'];
245 // Remove internal fields
246 unset($row['internal-activity']);
247 unset($row['internal-network']);
248 unset($row['internal-iid']);
249 unset($row['internal-iaid']);
250 unset($row['internal-icid']);
251 unset($row['internal-user-ignored']);
252 unset($row['interaction']);
258 * @brief Fills an array with data from an item query
260 * @param object $stmt statement object
261 * @return array Data array
263 public static function inArray($stmt, $do_close = true) {
264 if (is_bool($stmt)) {
269 while ($row = self::fetch($stmt)) {
279 * @brief Check if item data exists
281 * @param array $condition array of fields for condition
283 * @return boolean Are there rows for that condition?
285 public static function exists($condition) {
286 $stmt = self::select(['id'], $condition, ['limit' => 1]);
288 if (is_bool($stmt)) {
291 $retval = (DBA::numRows($stmt) > 0);
300 * Retrieve a single record from the item table for a given user and returns it in an associative array
302 * @brief Retrieve a single record from a table
303 * @param integer $uid User ID
304 * @param array $fields
305 * @param array $condition
306 * @param array $params
310 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
312 $params['uid'] = $uid;
314 if (empty($selected)) {
315 $selected = Item::DISPLAY_FIELDLIST;
318 return self::selectFirst($selected, $condition, $params);
322 * @brief Select rows from the item table for a given user
324 * @param integer $uid User ID
325 * @param array $selected Array of selected fields, empty for all
326 * @param array $condition Array of fields for condition
327 * @param array $params Array of several parameters
329 * @return boolean|object
331 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
333 $params['uid'] = $uid;
335 if (empty($selected)) {
336 $selected = Item::DISPLAY_FIELDLIST;
339 return self::select($selected, $condition, $params);
343 * Retrieve a single record from the item table and returns it in an associative array
345 * @brief Retrieve a single record from a table
346 * @param array $fields
347 * @param array $condition
348 * @param array $params
352 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
354 $params['limit'] = 1;
356 $result = self::select($fields, $condition, $params);
358 if (is_bool($result)) {
361 $row = self::fetch($result);
368 * @brief Select rows from the item table
370 * @param array $selected Array of selected fields, empty for all
371 * @param array $condition Array of fields for condition
372 * @param array $params Array of several parameters
374 * @return boolean|object
376 public static function select(array $selected = [], array $condition = [], $params = [])
381 if (isset($params['uid'])) {
382 $uid = $params['uid'];
386 $fields = self::fieldlist($usermode);
388 $select_fields = self::constructSelectFields($fields, $selected);
390 $condition_string = DBA::buildCondition($condition);
392 $condition_string = self::addTablesToFields($condition_string, $fields);
395 $condition_string = $condition_string . ' AND ' . self::condition(false);
398 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
400 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
402 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
404 return DBA::p($sql, $condition);
408 * @brief Select rows from the starting post in the item table
410 * @param integer $uid User ID
411 * @param array $fields Array of selected fields, empty for all
412 * @param array $condition Array of fields for condition
413 * @param array $params Array of several parameters
415 * @return boolean|object
417 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
419 $params['uid'] = $uid;
421 if (empty($selected)) {
422 $selected = Item::DISPLAY_FIELDLIST;
425 return self::selectThread($selected, $condition, $params);
429 * Retrieve a single record from the starting post in the item table and returns it in an associative array
431 * @brief Retrieve a single record from a table
432 * @param integer $uid User ID
433 * @param array $selected
434 * @param array $condition
435 * @param array $params
439 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
441 $params['uid'] = $uid;
443 if (empty($selected)) {
444 $selected = Item::DISPLAY_FIELDLIST;
447 return self::selectFirstThread($selected, $condition, $params);
451 * Retrieve a single record from the starting post in the item table and returns it in an associative array
453 * @brief Retrieve a single record from a table
454 * @param array $fields
455 * @param array $condition
456 * @param array $params
460 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
462 $params['limit'] = 1;
463 $result = self::selectThread($fields, $condition, $params);
465 if (is_bool($result)) {
468 $row = self::fetch($result);
475 * @brief Select rows from the starting post in the item table
477 * @param array $selected Array of selected fields, empty for all
478 * @param array $condition Array of fields for condition
479 * @param array $params Array of several parameters
481 * @return boolean|object
483 public static function selectThread(array $selected = [], array $condition = [], $params = [])
488 if (isset($params['uid'])) {
489 $uid = $params['uid'];
493 $fields = self::fieldlist($usermode);
495 $fields['thread'] = ['mention', 'ignored', 'iid'];
497 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
498 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
499 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
500 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
502 $select_fields = self::constructSelectFields($fields, $selected);
504 $condition_string = DBA::buildCondition($condition);
506 $condition_string = self::addTablesToFields($condition_string, $threadfields);
507 $condition_string = self::addTablesToFields($condition_string, $fields);
510 $condition_string = $condition_string . ' AND ' . self::condition(true);
513 $param_string = DBA::buildParameter($params);
514 $param_string = self::addTablesToFields($param_string, $threadfields);
515 $param_string = self::addTablesToFields($param_string, $fields);
517 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
519 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
521 return DBA::p($sql, $condition);
525 * @brief Returns a list of fields that are associated with the item table
527 * @return array field list
529 private static function fieldlist($usermode)
533 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
534 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
535 'created', 'edited', 'commented', 'received', 'changed', 'psid',
536 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
537 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
538 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
539 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
540 'network' => 'internal-network', 'icid' => 'internal-icid',
541 'iaid' => 'internal-iaid'];
544 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
547 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
549 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
551 $fields['item-delivery-data'] = self::DELIVERY_DATA_FIELDLIST;
553 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
555 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
556 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
558 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
559 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
561 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
562 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
563 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
565 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
567 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
569 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
570 'start' => 'event-start','finish' => 'event-finish',
571 'summary' => 'event-summary','desc' => 'event-desc',
572 'location' => 'event-location', 'type' => 'event-type',
573 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
574 'ignore' => 'event-ignore', 'id' => 'event-id'];
576 $fields['sign'] = ['signed_text', 'signature', 'signer'];
578 $fields['diaspora-interaction'] = ['interaction'];
584 * @brief Returns SQL condition for the "select" functions
586 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
588 * @return string SQL condition
590 private static function condition($thread_mode)
593 $master_table = "`thread`";
595 $master_table = "`item`";
597 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
598 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
599 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
600 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
601 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
602 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
603 GRAVITY_PARENT, GRAVITY_PARENT);
607 * @brief Returns all needed "JOIN" commands for the "select" functions
609 * @param integer $uid User ID
610 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
611 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
613 * @return string The SQL joins for the "select" functions
615 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
618 $master_table = "`thread`";
619 $master_table_key = "`thread`.`iid`";
620 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
622 $master_table = "`item`";
623 $master_table_key = "`item`.`id`";
628 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
629 AND NOT `contact`.`blocked`
630 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
631 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
632 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
633 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
634 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
635 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
636 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
637 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
639 if (strpos($sql_commands, "`contact`.") !== false) {
640 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
642 if (strpos($sql_commands, "`author`.") !== false) {
643 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
645 if (strpos($sql_commands, "`owner`.") !== false) {
646 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
650 if (strpos($sql_commands, "`group_member`.") !== false) {
651 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
654 if (strpos($sql_commands, "`user`.") !== false) {
655 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
658 if (strpos($sql_commands, "`event`.") !== false) {
659 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
662 if (strpos($sql_commands, "`sign`.") !== false) {
663 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
666 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
667 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
670 if (strpos($sql_commands, "`item-activity`.") !== false) {
671 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
674 if (strpos($sql_commands, "`item-content`.") !== false) {
675 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
678 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
679 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
682 if (strpos($sql_commands, "`permissionset`.") !== false) {
683 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
686 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
687 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
690 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
691 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
698 * @brief Add the field list for the "select" functions
700 * @param array $fields The field definition array
701 * @param array $selected The array with the selected fields from the "select" functions
703 * @return string The field list
705 private static function constructSelectFields($fields, $selected)
707 if (!empty($selected)) {
708 $selected[] = 'internal-iid';
709 $selected[] = 'internal-iaid';
710 $selected[] = 'internal-icid';
711 $selected[] = 'internal-network';
714 if (in_array('verb', $selected)) {
715 $selected[] = 'internal-activity';
718 if (in_array('ignored', $selected)) {
719 $selected[] = 'internal-user-ignored';
722 if (in_array('signed_text', $selected)) {
723 $selected[] = 'interaction';
727 foreach ($fields as $table => $table_fields) {
728 foreach ($table_fields as $field => $select) {
729 if (empty($selected) || in_array($select, $selected)) {
730 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
731 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
732 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
734 if (is_int($field)) {
735 $selection[] = "`" . $table . "`.`" . $select . "`";
737 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
742 return implode(", ", $selection);
746 * @brief add table definition to fields in an SQL query
748 * @param string $query SQL query
749 * @param array $fields The field definition array
751 * @return string the changed SQL query
753 private static function addTablesToFields($query, $fields)
755 foreach ($fields as $table => $table_fields) {
756 foreach ($table_fields as $alias => $field) {
757 if (is_int($alias)) {
758 $replace_field = $field;
760 $replace_field = $alias;
763 $search = "/([^\.])`" . $field . "`/i";
764 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
765 $query = preg_replace($search, $replace, $query);
772 * @brief Update existing item entries
774 * @param array $fields The fields that are to be changed
775 * @param array $condition The condition for finding the item entries
777 * In the future we may have to change permissions as well.
778 * Then we had to add the user id as third parameter.
780 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
782 * @return integer|boolean number of affected rows - or "false" if there was an error
784 public static function update(array $fields, array $condition)
786 if (empty($condition) || empty($fields)) {
790 // To ensure the data integrity we do it in an transaction
793 // We cannot simply expand the condition to check for origin entries
794 // The condition needn't to be a simple array but could be a complex condition.
795 // And we have to execute this query before the update to ensure to fetch the same data.
796 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
798 $content_fields = [];
799 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
800 if (isset($fields[$field])) {
801 $content_fields[$field] = $fields[$field];
802 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
803 unset($fields[$field]);
805 $fields[$field] = null;
810 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link'];
811 foreach ($clear_fields as $field) {
812 if (array_key_exists($field, $fields)) {
813 $fields[$field] = null;
817 if (array_key_exists('tag', $fields)) {
818 $tags = $fields['tag'];
819 $fields['tag'] = null;
824 if (array_key_exists('file', $fields)) {
825 $files = $fields['file'];
826 $fields['file'] = null;
831 $delivery_data = ['postopts' => defaults($fields, 'postopts', ''),
832 'inform' => defaults($fields, 'inform', '')];
834 $fields['postopts'] = null;
835 $fields['inform'] = null;
837 if (!empty($fields)) {
838 $success = DBA::update('item', $fields, $condition);
847 // When there is no content for the "old" item table, this will count the fetched items
848 $rows = DBA::affectedRows();
850 while ($item = DBA::fetch($items)) {
851 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
852 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
854 if (empty($item['iaid'])) {
855 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
856 if (DBA::isResult($item_activity)) {
857 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
858 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
859 if (self::isLegacyMode()) {
860 $item_fields[$field] = null;
862 unset($item_fields[$field]);
865 DBA::update('item', $item_fields, ['id' => $item['id']]);
867 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
868 DBA::delete('item-content', ['id' => $item['icid']]);
871 } elseif (!empty($item['icid'])) {
872 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
874 if (!DBA::exists('item', ['icid' => $item['icid']])) {
875 DBA::delete('item-content', ['id' => $item['icid']]);
879 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
881 if (empty($item['icid'])) {
882 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
883 if (DBA::isResult($item_content)) {
884 $item_fields = ['icid' => $item_content['id']];
885 // Clear all fields in the item table that have a content in the item-content table
886 foreach ($item_content as $field => $content) {
887 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
888 if (self::isLegacyMode()) {
889 $item_fields[$field] = null;
891 unset($item_fields[$field]);
895 DBA::update('item', $item_fields, ['id' => $item['id']]);
900 if (!is_null($tags)) {
901 Term::insertFromTagFieldByItemId($item['id'], $tags);
902 if (!empty($item['tag'])) {
903 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
907 if (!empty($files)) {
908 Term::insertFromFileFieldByItemId($item['id'], $files);
909 if (!empty($item['file'])) {
910 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
914 self::updateDeliveryData($item['id'], $delivery_data);
916 self::updateThread($item['id']);
918 // We only need to notfiy others when it is an original entry from us.
919 // Only call the notifier when the item has some content relevant change.
920 if ($item['origin'] && in_array('edited', array_keys($fields))) {
921 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
931 * @brief Delete an item and notify others about it - if it was ours
933 * @param array $condition The condition for finding the item entries
934 * @param integer $priority Priority for the notification
936 public static function delete($condition, $priority = PRIORITY_HIGH)
938 $items = self::select(['id'], $condition);
939 while ($item = self::fetch($items)) {
940 self::deleteById($item['id'], $priority);
946 * @brief Delete an item for an user and notify others about it - if it was ours
948 * @param array $condition The condition for finding the item entries
949 * @param integer $uid User who wants to delete this item
951 public static function deleteForUser($condition, $uid)
957 $items = self::select(['id', 'uid'], $condition);
958 while ($item = self::fetch($items)) {
959 // "Deleting" global items just means hiding them
960 if ($item['uid'] == 0) {
961 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
962 } elseif ($item['uid'] == $uid) {
963 self::deleteById($item['id'], PRIORITY_HIGH);
965 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
972 * @brief Delete an item and notify others about it - if it was ours
974 * @param integer $item_id Item ID that should be delete
975 * @param integer $priority Priority for the notification
977 * @return boolean success
979 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
981 // locate item to be deleted
982 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
983 'deleted', 'file', 'resource-id', 'event-id', 'attach',
984 'verb', 'object-type', 'object', 'target', 'contact-id',
985 'icid', 'iaid', 'psid'];
986 $item = self::selectFirst($fields, ['id' => $item_id]);
987 if (!DBA::isResult($item)) {
988 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
992 if ($item['deleted']) {
993 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
997 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
998 if (!DBA::isResult($parent)) {
999 $parent = ['origin' => false];
1002 // clean up categories and tags so they don't end up as orphans
1005 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1009 foreach ($matches as $mtch)
1011 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1017 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1021 foreach ($matches as $mtch)
1023 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1028 * If item is a link to a photo resource, nuke all the associated photos
1029 * (visitors will not have photo resources)
1030 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1031 * generate a resource-id and therefore aren't intimately linked to the item.
1033 if (strlen($item['resource-id'])) {
1034 DBA::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1037 // If item is a link to an event, delete the event.
1038 if (intval($item['event-id'])) {
1039 Event::delete($item['event-id']);
1042 // If item has attachments, drop them
1043 foreach (explode(", ", $item['attach']) as $attach) {
1044 preg_match("|attach/(\d+)|", $attach, $matches);
1045 if (is_array($matches) && count($matches) > 1) {
1046 DBA::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
1050 // Delete tags that had been attached to other items
1051 self::deleteTagsFromItem($item);
1053 // Set the item to "deleted"
1054 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1055 DBA::update('item', $item_fields, ['id' => $item['id']]);
1057 Term::insertFromTagFieldByItemId($item['id'], '');
1058 Term::insertFromFileFieldByItemId($item['id'], '');
1059 self::deleteThread($item['id'], $item['parent-uri']);
1061 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1062 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1065 DBA::delete('item-delivery-data', ['iid' => $item['id']]);
1067 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1069 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1070 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1072 // When the permission set will be used in photo and events as well,
1073 // this query here needs to be extended.
1074 if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1075 DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1078 // If it's the parent of a comment thread, kill all the kids
1079 if ($item['id'] == $item['parent']) {
1080 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1083 // Is it our comment and/or our thread?
1084 if ($item['origin'] || $parent['origin']) {
1086 // When we delete the original post we will delete all existing copies on the server as well
1087 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1089 // send the notification upstream/downstream
1090 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
1091 } elseif ($item['uid'] != 0) {
1093 // When we delete just our local user copy of an item, we have to set a marker to hide it
1094 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1095 if (DBA::isResult($global_item)) {
1096 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1100 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1105 private static function deleteTagsFromItem($item)
1107 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1111 $xo = XML::parseString($item["object"], false);
1112 $xt = XML::parseString($item["target"], false);
1114 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1118 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1119 if (!DBA::isResult($i)) {
1123 // For tags, the owner cannot remove the tag on the author's copy of the post.
1124 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1125 $author_copy = $item["origin"];
1127 if (($owner_remove && $author_copy) || !$owner_remove) {
1131 $tags = explode(',', $i["tag"]);
1134 foreach ($tags as $tag) {
1135 if (trim($tag) !== trim($xo->body)) {
1136 $newtags[] = trim($tag);
1140 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1143 private static function guid($item, $notify)
1145 if (!empty($item['guid'])) {
1146 return notags(trim($item['guid']));
1150 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1151 // We add the hash of our own host because our host is the original creator of the post.
1152 $prefix_host = get_app()->getHostName();
1156 // We are only storing the post so we create a GUID from the original hostname.
1157 if (!empty($item['author-link'])) {
1158 $parsed = parse_url($item['author-link']);
1159 if (!empty($parsed['host'])) {
1160 $prefix_host = $parsed['host'];
1164 if (empty($prefix_host) && !empty($item['plink'])) {
1165 $parsed = parse_url($item['plink']);
1166 if (!empty($parsed['host'])) {
1167 $prefix_host = $parsed['host'];
1171 if (empty($prefix_host) && !empty($item['uri'])) {
1172 $parsed = parse_url($item['uri']);
1173 if (!empty($parsed['host'])) {
1174 $prefix_host = $parsed['host'];
1178 // Is it in the format data@host.tld? - Used for mail contacts
1179 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1180 $mailparts = explode('@', $item['author-link']);
1181 $prefix_host = array_pop($mailparts);
1185 if (!empty($item['plink'])) {
1186 $guid = self::guidFromUri($item['plink'], $prefix_host);
1187 } elseif (!empty($item['uri'])) {
1188 $guid = self::guidFromUri($item['uri'], $prefix_host);
1190 $guid = System::createUUID(hash('crc32', $prefix_host));
1196 private static function contactId($item)
1198 $contact_id = (int)$item["contact-id"];
1200 if (!empty($contact_id)) {
1203 Logger::log('Missing contact-id. Called by: '.System::callstack(), Logger::DEBUG);
1205 * First we are looking for a suitable contact that matches with the author of the post
1206 * This is done only for comments
1208 if ($item['parent-uri'] != $item['uri']) {
1209 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1212 // If not present then maybe the owner was found
1213 if ($contact_id == 0) {
1214 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1217 // Still missing? Then use the "self" contact of the current user
1218 if ($contact_id == 0) {
1219 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1220 if (DBA::isResult($self)) {
1221 $contact_id = $self["id"];
1224 Logger::log("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, Logger::DEBUG);
1229 // This function will finally cover most of the preparation functionality in mod/item.php
1230 public static function prepare(&$item)
1232 $data = BBCode::getAttachmentData($item['body']);
1233 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1234 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1235 $posttype = Item::PT_PAGE;
1236 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1240 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1244 // If it is a posting where users should get notifications, then define it as wall posting
1247 $item['origin'] = 1;
1248 $item['network'] = Protocol::DFRN;
1249 $item['protocol'] = Conversation::PARCEL_DFRN;
1251 if (is_int($notify)) {
1252 $priority = $notify;
1254 $priority = PRIORITY_HIGH;
1257 $item['network'] = trim(defaults($item, 'network', Protocol::PHANTOM));
1260 $item['guid'] = self::guid($item, $notify);
1261 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1264 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1266 // Store conversation data
1267 $item = Conversation::insert($item);
1270 * If a Diaspora signature structure was passed in, pull it out of the
1271 * item array and set it aside for later storage.
1275 if (isset($item['dsprsig'])) {
1276 $encoded_signature = $item['dsprsig'];
1277 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1278 unset($item['dsprsig']);
1281 $diaspora_signed_text = '';
1282 if (isset($item['diaspora_signed_text'])) {
1283 $diaspora_signed_text = $item['diaspora_signed_text'];
1284 unset($item['diaspora_signed_text']);
1287 // Converting the plink
1288 /// @TODO Check if this is really still needed
1289 if ($item['network'] == Protocol::OSTATUS) {
1290 if (isset($item['plink'])) {
1291 $item['plink'] = OStatus::convertHref($item['plink']);
1292 } elseif (isset($item['uri'])) {
1293 $item['plink'] = OStatus::convertHref($item['uri']);
1297 if (!empty($item['thr-parent'])) {
1298 $item['parent-uri'] = $item['thr-parent'];
1301 if (isset($item['gravity'])) {
1302 $item['gravity'] = intval($item['gravity']);
1303 } elseif ($item['parent-uri'] === $item['uri']) {
1304 $item['gravity'] = GRAVITY_PARENT;
1305 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1306 $item['gravity'] = GRAVITY_COMMENT;
1308 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1309 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1312 $uid = intval($item['uid']);
1314 // check for create date and expire time
1315 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1317 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1318 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1319 $expire_interval = $user['expire'];
1322 if (($expire_interval > 0) && !empty($item['created'])) {
1323 $expire_date = time() - ($expire_interval * 86400);
1324 $created_date = strtotime($item['created']);
1325 if ($created_date < $expire_date) {
1326 Logger::log('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), Logger::DEBUG);
1332 * Do we already have this item?
1333 * We have to check several networks since Friendica posts could be repeated
1334 * via OStatus (maybe Diasporsa as well)
1336 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS, ""])) {
1337 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1338 trim($item['uri']), $item['uid'],
1339 Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1340 $existing = self::selectFirst(['id', 'network'], $condition);
1341 if (DBA::isResult($existing)) {
1342 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1344 Logger::log("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1347 return $existing["id"];
1351 $item['wall'] = intval(defaults($item, 'wall', 0));
1352 $item['extid'] = trim(defaults($item, 'extid', ''));
1353 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1354 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1355 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1356 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1357 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1358 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1359 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1360 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1361 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1362 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1363 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1364 $item['title'] = trim(defaults($item, 'title', ''));
1365 $item['location'] = trim(defaults($item, 'location', ''));
1366 $item['coord'] = trim(defaults($item, 'coord', ''));
1367 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1368 $item['deleted'] = 0;
1369 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1370 $item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE);
1371 $item['verb'] = trim(defaults($item, 'verb', ''));
1372 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1373 $item['object'] = trim(defaults($item, 'object', ''));
1374 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1375 $item['target'] = trim(defaults($item, 'target', ''));
1376 $item['plink'] = trim(defaults($item, 'plink', ''));
1377 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1378 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1379 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1380 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1381 $item['private'] = intval(defaults($item, 'private', 0));
1382 $item['body'] = trim(defaults($item, 'body', ''));
1383 $item['tag'] = trim(defaults($item, 'tag', ''));
1384 $item['attach'] = trim(defaults($item, 'attach', ''));
1385 $item['app'] = trim(defaults($item, 'app', ''));
1386 $item['origin'] = intval(defaults($item, 'origin', 0));
1387 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1388 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1389 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1390 $item['inform'] = trim(defaults($item, 'inform', ''));
1391 $item['file'] = trim(defaults($item, 'file', ''));
1393 // When there is no content then we don't post it
1394 if ($item['body'].$item['title'] == '') {
1395 Logger::log('No body, no title.');
1399 self::addLanguageToItemArray($item);
1401 // Items cannot be stored before they happen ...
1402 if ($item['created'] > DateTimeFormat::utcNow()) {
1403 $item['created'] = DateTimeFormat::utcNow();
1406 // We haven't invented time travel by now.
1407 if ($item['edited'] > DateTimeFormat::utcNow()) {
1408 $item['edited'] = DateTimeFormat::utcNow();
1411 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1413 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1414 $item["contact-id"] = self::contactId($item);
1416 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1417 'photo' => $item['author-avatar'], 'network' => $item['network']];
1419 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1421 if (Contact::isBlocked($item["author-id"])) {
1422 Logger::log('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1426 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1427 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1429 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1431 if (Contact::isBlocked($item["owner-id"])) {
1432 Logger::log('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1436 if ($item['network'] == Protocol::PHANTOM) {
1437 Logger::log('Missing network. Called by: '.System::callstack(), Logger::DEBUG);
1439 $item['network'] = Protocol::DFRN;
1440 Logger::log("Set network to " . $item["network"] . " for " . $item["uri"], Logger::DEBUG);
1443 // Checking if there is already an item with the same guid
1444 Logger::log('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], Logger::DEBUG);
1445 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1446 if (self::exists($condition)) {
1447 Logger::log('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], Logger::DEBUG);
1451 // Check for hashtags in the body and repair or add hashtag links
1452 self::setHashtags($item);
1454 $item['thr-parent'] = $item['parent-uri'];
1462 if ($item['parent-uri'] === $item['uri']) {
1464 $parent_deleted = 0;
1465 $allow_cid = $item['allow_cid'];
1466 $allow_gid = $item['allow_gid'];
1467 $deny_cid = $item['deny_cid'];
1468 $deny_gid = $item['deny_gid'];
1469 $notify_type = 'wall-new';
1471 // find the parent and snarf the item id and ACLs
1472 // and anything else we need to inherit
1474 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1475 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1476 'wall', 'private', 'forum_mode', 'origin'];
1477 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1478 $params = ['order' => ['id' => false]];
1479 $parent = self::selectFirst($fields, $condition, $params);
1481 if (DBA::isResult($parent)) {
1482 // is the new message multi-level threaded?
1483 // even though we don't support it now, preserve the info
1484 // and re-attach to the conversation parent.
1486 if ($parent['uri'] != $parent['parent-uri']) {
1487 $item['parent-uri'] = $parent['parent-uri'];
1489 $condition = ['uri' => $item['parent-uri'],
1490 'parent-uri' => $item['parent-uri'],
1491 'uid' => $item['uid']];
1492 $params = ['order' => ['id' => false]];
1493 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1495 if (DBA::isResult($toplevel_parent)) {
1496 $parent = $toplevel_parent;
1500 $parent_id = $parent['id'];
1501 $parent_deleted = $parent['deleted'];
1502 $allow_cid = $parent['allow_cid'];
1503 $allow_gid = $parent['allow_gid'];
1504 $deny_cid = $parent['deny_cid'];
1505 $deny_gid = $parent['deny_gid'];
1506 $item['wall'] = $parent['wall'];
1507 $notify_type = 'comment-new';
1510 * If the parent is private, force privacy for the entire conversation
1511 * This differs from the above settings as it subtly allows comments from
1512 * email correspondents to be private even if the overall thread is not.
1514 if ($parent['private']) {
1515 $item['private'] = $parent['private'];
1519 * Edge case. We host a public forum that was originally posted to privately.
1520 * The original author commented, but as this is a comment, the permissions
1521 * weren't fixed up so it will still show the comment as private unless we fix it here.
1523 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1524 $item['private'] = 0;
1527 // If its a post from myself then tag the thread as "mention"
1528 Logger::log("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], Logger::DEBUG);
1529 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1530 if (DBA::isResult($user)) {
1531 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1532 $self_id = Contact::getIdForURL($self, 0, true);
1533 Logger::log("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], Logger::DEBUG);
1534 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1535 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1536 Logger::log("tagged thread ".$parent_id." as mention for user ".$self, Logger::DEBUG);
1541 * Allow one to see reply tweets from status.net even when
1542 * we don't have or can't see the original post.
1544 if ($force_parent) {
1545 Logger::log('$force_parent=true, reply converted to top-level post.');
1547 $item['parent-uri'] = $item['uri'];
1548 $item['gravity'] = GRAVITY_PARENT;
1550 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1554 $parent_deleted = 0;
1558 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1559 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1561 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1562 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1563 if (self::exists($condition)) {
1564 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1568 // On Friendica and Diaspora the GUID is unique
1569 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1570 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1571 if (self::exists($condition)) {
1572 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1576 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1577 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1578 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1579 if (self::exists($condition)) {
1580 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1585 // Is this item available in the global items (with uid=0)?
1586 if ($item["uid"] == 0) {
1587 $item["global"] = true;
1589 // Set the global flag on all items if this was a global item entry
1590 self::update(['global' => true], ['uri' => $item["uri"]]);
1592 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1596 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1599 $private = $item['private'];
1602 $item["allow_cid"] = $allow_cid;
1603 $item["allow_gid"] = $allow_gid;
1604 $item["deny_cid"] = $deny_cid;
1605 $item["deny_gid"] = $deny_gid;
1606 $item["private"] = $private;
1607 $item["deleted"] = $parent_deleted;
1609 // Fill the cache field
1610 put_item_in_cache($item);
1613 $item['edit'] = false;
1614 $item['parent'] = $parent_id;
1615 Addon::callHooks('post_local', $item);
1616 unset($item['edit']);
1617 unset($item['parent']);
1619 Addon::callHooks('post_remote', $item);
1622 // This array field is used to trigger some automatic reactions
1623 // It is mainly used in the "post_local" hook.
1624 unset($item['api_source']);
1626 if (x($item, 'cancel')) {
1627 Logger::log('post cancelled by addon.');
1632 * Check for already added items.
1633 * There is a timing issue here that sometimes creates double postings.
1634 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1636 if ($item["uid"] == 0) {
1637 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1638 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1643 Logger::log('' . print_r($item,true), Logger::DATA);
1645 if (array_key_exists('tag', $item)) {
1646 $tags = $item['tag'];
1647 unset($item['tag']);
1652 if (array_key_exists('file', $item)) {
1653 $files = $item['file'];
1654 unset($item['file']);
1659 // Creates or assigns the permission set
1660 $item['psid'] = PermissionSet::fetchIDForPost($item);
1662 // We are doing this outside of the transaction to avoid timing problems
1663 if (!self::insertActivity($item)) {
1664 self::insertContent($item);
1667 $delivery_data = ['postopts' => defaults($item, 'postopts', ''),
1668 'inform' => defaults($item, 'inform', '')];
1670 unset($item['postopts']);
1671 unset($item['inform']);
1673 // These fields aren't stored anymore in the item table, they are fetched upon request
1674 unset($item['author-link']);
1675 unset($item['author-name']);
1676 unset($item['author-avatar']);
1678 unset($item['owner-link']);
1679 unset($item['owner-name']);
1680 unset($item['owner-avatar']);
1683 $ret = DBA::insert('item', $item);
1685 // When the item was successfully stored we fetch the ID of the item.
1686 if (DBA::isResult($ret)) {
1687 $current_post = DBA::lastInsertId();
1689 // This can happen - for example - if there are locking timeouts.
1692 // Store the data into a spool file so that we can try again later.
1694 // At first we restore the Diaspora signature that we removed above.
1695 if (isset($encoded_signature)) {
1696 $item['dsprsig'] = $encoded_signature;
1699 // Now we store the data in the spool directory
1700 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1701 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1703 $spoolpath = get_spoolpath();
1704 if ($spoolpath != "") {
1705 $spool = $spoolpath.'/'.$file;
1707 // Ensure to have the removed data from above again in the item array
1708 $item = array_merge($item, $delivery_data);
1710 file_put_contents($spool, json_encode($item));
1711 Logger::log("Item wasn't stored - Item was spooled into file ".$file, Logger::DEBUG);
1716 if ($current_post == 0) {
1717 // This is one of these error messages that never should occur.
1718 Logger::log("couldn't find created item - we better quit now.");
1723 // How much entries have we created?
1724 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1725 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1728 // There are duplicates. We delete our just created entry.
1729 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1731 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1732 DBA::delete('item', ['id' => $current_post]);
1735 } elseif ($entries == 0) {
1736 // This really should never happen since we quit earlier if there were problems.
1737 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1742 Logger::log('created item '.$current_post);
1743 self::updateContact($item);
1745 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1746 $parent_id = $current_post;
1750 self::update(['parent' => $parent_id], ['id' => $current_post]);
1752 $item['id'] = $current_post;
1753 $item['parent'] = $parent_id;
1755 // update the commented timestamp on the parent
1756 // Only update "commented" if it is really a comment
1757 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1758 self::update(['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1760 self::update(['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1765 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1766 * We can check for this condition when we decode and encode the stuff again.
1768 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1769 $dsprsig->signature = base64_decode($dsprsig->signature);
1770 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1773 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1774 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1776 // The other fields are used by very old Friendica servers, so we currently store them differently
1777 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1778 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1782 if (!empty($diaspora_signed_text)) {
1783 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1786 $deleted = self::tagDeliver($item['uid'], $current_post);
1789 * current post can be deleted if is for a community page and no mention are
1792 if (!$deleted && !$dontcache) {
1793 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1794 if (DBA::isResult($posted_item)) {
1796 Addon::callHooks('post_local_end', $posted_item);
1798 Addon::callHooks('post_remote_end', $posted_item);
1801 Logger::log('new item not found in DB, id ' . $current_post);
1805 if ($item['parent-uri'] === $item['uri']) {
1806 self::addThread($current_post);
1808 self::updateThread($parent_id);
1811 $delivery_data['iid'] = $current_post;
1813 self::insertDeliveryData($delivery_data);
1818 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1819 * This is not perfect - but a workable solution until we found the reason for the problem.
1821 if (!empty($tags)) {
1822 Term::insertFromTagFieldByItemId($current_post, $tags);
1825 if (!empty($files)) {
1826 Term::insertFromFileFieldByItemId($current_post, $files);
1829 if ($item['parent-uri'] === $item['uri']) {
1830 self::addShadow($current_post);
1832 self::addShadowPost($current_post);
1835 check_user_notification($current_post);
1838 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1839 } elseif ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin'])) {
1840 if ($item['gravity'] == GRAVITY_ACTIVITY) {
1841 $cmd = $item['origin'] ? 'activity-new' : 'activity-import';
1842 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
1843 $cmd = $item['origin'] ? 'comment-new' : 'comment-import';
1848 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', $cmd, $current_post);
1851 return $current_post;
1855 * @brief Insert a new item delivery data entry
1857 * @param array $item The item fields that are to be inserted
1859 private static function insertDeliveryData($delivery_data)
1861 if (empty($delivery_data['iid']) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1865 DBA::insert('item-delivery-data', $delivery_data);
1869 * @brief Update an existing item delivery data entry
1871 * @param integer $id The item id that is to be updated
1872 * @param array $item The item fields that are to be inserted
1874 private static function updateDeliveryData($id, $delivery_data)
1876 if (empty($id) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1880 DBA::update('item-delivery-data', $delivery_data, ['iid' => $id], true);
1884 * @brief Insert a new item content entry
1886 * @param array $item The item fields that are to be inserted
1888 private static function insertActivity(&$item)
1890 $activity_index = self::activityToIndex($item['verb']);
1892 if ($activity_index < 0) {
1896 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1898 // We just remove everything that is content
1899 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1900 unset($item[$field]);
1903 // To avoid timing problems, we are using locks.
1904 $locked = Lock::acquire('item_insert_activity');
1906 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1909 // Do we already have this content?
1910 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
1911 if (DBA::isResult($item_activity)) {
1912 $item['iaid'] = $item_activity['id'];
1913 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1914 } elseif (DBA::insert('item-activity', $fields)) {
1915 $item['iaid'] = DBA::lastInsertId();
1916 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1918 // This shouldn't happen.
1919 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1920 Lock::release('item_insert_activity');
1924 Lock::release('item_insert_activity');
1930 * @brief Insert a new item content entry
1932 * @param array $item The item fields that are to be inserted
1934 private static function insertContent(&$item)
1936 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1938 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1939 if (isset($item[$field])) {
1940 $fields[$field] = $item[$field];
1941 unset($item[$field]);
1945 // To avoid timing problems, we are using locks.
1946 $locked = Lock::acquire('item_insert_content');
1948 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1951 // Do we already have this content?
1952 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
1953 if (DBA::isResult($item_content)) {
1954 $item['icid'] = $item_content['id'];
1955 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1956 } elseif (DBA::insert('item-content', $fields)) {
1957 $item['icid'] = DBA::lastInsertId();
1958 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1960 // This shouldn't happen.
1961 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
1964 Lock::release('item_insert_content');
1969 * @brief Update existing item content entries
1971 * @param array $item The item fields that are to be changed
1972 * @param array $condition The condition for finding the item content entries
1974 private static function updateActivity($item, $condition)
1976 if (empty($item['verb'])) {
1979 $activity_index = self::activityToIndex($item['verb']);
1981 if ($activity_index < 0) {
1985 $fields = ['activity' => $activity_index];
1987 Logger::log('Update activity for ' . json_encode($condition));
1989 DBA::update('item-activity', $fields, $condition, true);
1995 * @brief Update existing item content entries
1997 * @param array $item The item fields that are to be changed
1998 * @param array $condition The condition for finding the item content entries
2000 private static function updateContent($item, $condition)
2002 // We have to select only the fields from the "item-content" table
2004 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2005 if (isset($item[$field])) {
2006 $fields[$field] = $item[$field];
2010 if (empty($fields)) {
2011 // when there are no fields at all, just use the condition
2012 // This is to ensure that we always store content.
2013 $fields = $condition;
2016 Logger::log('Update content for ' . json_encode($condition));
2018 DBA::update('item-content', $fields, $condition, true);
2022 * @brief Distributes public items to the receivers
2024 * @param integer $itemid Item ID that should be added
2025 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2027 public static function distribute($itemid, $signed_text = '')
2029 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2030 $parent = self::selectFirst(['owner-id'], $condition);
2031 if (!DBA::isResult($parent)) {
2035 // Only distribute public items from native networks
2036 $condition = ['id' => $itemid, 'uid' => 0,
2037 'network' => [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""],
2038 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2039 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2040 if (!DBA::isResult($item)) {
2044 $origin = $item['origin'];
2047 unset($item['parent']);
2048 unset($item['mention']);
2049 unset($item['wall']);
2050 unset($item['origin']);
2051 unset($item['starred']);
2055 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2056 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2057 if (!DBA::isResult($owner)) {
2061 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2062 $contacts = DBA::select('contact', ['uid'], $condition);
2063 while ($contact = DBA::fetch($contacts)) {
2064 if ($contact['uid'] == 0) {
2068 $users[$contact['uid']] = $contact['uid'];
2070 DBA::close($contacts);
2072 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2073 $contacts = DBA::select('contact', ['uid'], $condition);
2074 while ($contact = DBA::fetch($contacts)) {
2075 if ($contact['uid'] == 0) {
2079 $users[$contact['uid']] = $contact['uid'];
2081 DBA::close($contacts);
2083 if (!empty($owner['alias'])) {
2084 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2085 $contacts = DBA::select('contact', ['uid'], $condition);
2086 while ($contact = DBA::fetch($contacts)) {
2087 if ($contact['uid'] == 0) {
2091 $users[$contact['uid']] = $contact['uid'];
2093 DBA::close($contacts);
2098 if ($item['uri'] != $item['parent-uri']) {
2099 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2100 while ($parent = self::fetch($parents)) {
2101 $users[$parent['uid']] = $parent['uid'];
2102 if ($parent['origin'] && !$origin) {
2103 $origin_uid = $parent['uid'];
2108 foreach ($users as $uid) {
2109 if ($origin_uid == $uid) {
2110 $item['diaspora_signed_text'] = $signed_text;
2112 self::storeForUser($itemid, $item, $uid);
2117 * @brief Store public items for the receivers
2119 * @param integer $itemid Item ID that should be added
2120 * @param array $item The item entry that will be stored
2121 * @param integer $uid The user that will receive the item entry
2123 private static function storeForUser($itemid, $item, $uid)
2125 $item['uid'] = $uid;
2126 $item['origin'] = 0;
2128 if ($item['uri'] == $item['parent-uri']) {
2129 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2131 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2134 if (empty($item['contact-id'])) {
2135 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2136 if (!DBA::isResult($self)) {
2139 $item['contact-id'] = $self['id'];
2142 /// @todo Handling of "event-id"
2145 if ($item['uri'] == $item['parent-uri']) {
2146 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2147 if (DBA::isResult($contact)) {
2148 $notify = self::isRemoteSelf($contact, $item);
2152 $distributed = self::insert($item, false, $notify, true);
2154 if (!$distributed) {
2155 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2157 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2162 * @brief Add a shadow entry for a given item id that is a thread starter
2164 * We store every public item entry additionally with the user id "0".
2165 * This is used for the community page and for the search.
2166 * It is planned that in the future we will store public item entries only once.
2168 * @param integer $itemid Item ID that should be added
2170 public static function addShadow($itemid)
2172 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2173 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2174 $item = self::selectFirst($fields, $condition);
2176 if (!DBA::isResult($item)) {
2180 // is it already a copy?
2181 if (($itemid == 0) || ($item['uid'] == 0)) {
2185 // Is it a visible public post?
2186 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2190 // is it an entry from a connector? Only add an entry for natively connected networks
2191 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
2195 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2199 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2201 if (DBA::isResult($item)) {
2202 // Preparing public shadow (removing user specific data)
2205 unset($item['parent']);
2206 unset($item['wall']);
2207 unset($item['mention']);
2208 unset($item['origin']);
2209 unset($item['starred']);
2210 unset($item['postopts']);
2211 unset($item['inform']);
2212 if ($item['uri'] == $item['parent-uri']) {
2213 $item['contact-id'] = $item['owner-id'];
2215 $item['contact-id'] = $item['author-id'];
2218 $public_shadow = self::insert($item, false, false, true);
2220 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2225 * @brief Add a shadow entry for a given item id that is a comment
2227 * This function does the same like the function above - but for comments
2229 * @param integer $itemid Item ID that should be added
2231 public static function addShadowPost($itemid)
2233 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2234 if (!DBA::isResult($item)) {
2238 // Is it a toplevel post?
2239 if ($item['id'] == $item['parent']) {
2240 self::addShadow($itemid);
2244 // Is this a shadow entry?
2245 if ($item['uid'] == 0) {
2249 // Is there a shadow parent?
2250 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2254 // Is there already a shadow entry?
2255 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2259 // Save "origin" and "parent" state
2260 $origin = $item['origin'];
2261 $parent = $item['parent'];
2263 // Preparing public shadow (removing user specific data)
2266 unset($item['parent']);
2267 unset($item['wall']);
2268 unset($item['mention']);
2269 unset($item['origin']);
2270 unset($item['starred']);
2271 unset($item['postopts']);
2272 unset($item['inform']);
2273 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2275 $public_shadow = self::insert($item, false, false, true);
2277 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2279 // If this was a comment to a Diaspora post we don't get our comment back.
2280 // This means that we have to distribute the comment by ourselves.
2281 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2282 self::distribute($public_shadow);
2287 * Adds a language specification in a "language" element of given $arr.
2288 * Expects "body" element to exist in $arr.
2290 private static function addLanguageToItemArray(&$item)
2292 $naked_body = BBCode::toPlaintext($item['body'], false);
2294 $ld = new Text_LanguageDetect();
2295 $ld->setNameMode(2);
2296 $languages = $ld->detect($naked_body, 3);
2298 if (is_array($languages)) {
2299 $item['language'] = json_encode($languages);
2304 * @brief Creates an unique guid out of a given uri
2306 * @param string $uri uri of an item entry
2307 * @param string $host hostname for the GUID prefix
2308 * @return string unique guid
2310 public static function guidFromUri($uri, $host)
2312 // Our regular guid routine is using this kind of prefix as well
2313 // We have to avoid that different routines could accidentally create the same value
2314 $parsed = parse_url($uri);
2316 // We use a hash of the hostname as prefix for the guid
2317 $guid_prefix = hash("crc32", $host);
2319 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2320 unset($parsed["scheme"]);
2322 // Glue it together to be able to make a hash from it
2323 $host_id = implode("/", $parsed);
2325 // We could use any hash algorithm since it isn't a security issue
2326 $host_hash = hash("ripemd128", $host_id);
2328 return $guid_prefix.$host_hash;
2332 * generate an unique URI
2334 * @param integer $uid User id
2335 * @param string $guid An existing GUID (Otherwise it will be generated)
2339 public static function newURI($uid, $guid = "")
2342 $guid = System::createUUID();
2345 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2349 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2351 * This can be used to filter for inactive contacts.
2352 * Only do this for public postings to avoid privacy problems, since poco data is public.
2353 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2355 * @param array $arr Contains the just posted item record
2357 private static function updateContact($arr)
2359 // Unarchive the author
2360 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2361 if (DBA::isResult($contact)) {
2362 Contact::unmarkForArchival($contact);
2365 // Unarchive the contact if it's not our own contact
2366 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2367 if (DBA::isResult($contact)) {
2368 Contact::unmarkForArchival($contact);
2371 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2373 // Is it a forum? Then we don't care about the rules from above
2374 if (!$update && ($arr["network"] == Protocol::DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
2375 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2381 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2382 ['id' => $arr['contact-id']]);
2384 // Now do the same for the system wide contacts with uid=0
2385 if (!$arr['private']) {
2386 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2387 ['id' => $arr['owner-id']]);
2389 if ($arr['owner-id'] != $arr['author-id']) {
2390 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2391 ['id' => $arr['author-id']]);
2396 public static function setHashtags(&$item)
2399 $tags = get_tags($item["body"]);
2402 if (!count($tags)) {
2406 // This sorting is important when there are hashtags that are part of other hashtags
2407 // Otherwise there could be problems with hashtags like #test and #test2
2410 $URLSearchString = "^\[\]";
2412 // All hashtags should point to the home server if "local_tags" is activated
2413 if (Config::get('system', 'local_tags')) {
2414 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2415 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2417 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2418 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2421 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2422 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2424 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2427 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2429 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2432 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2434 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2437 // Repair recursive urls
2438 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2439 "#$2", $item["body"]);
2441 foreach ($tags as $tag) {
2442 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2446 $basetag = str_replace('_',' ',substr($tag,1));
2448 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2450 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2452 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2453 if (strlen($item["tag"])) {
2454 $item["tag"] = ','.$item["tag"];
2456 $item["tag"] = $newtag.$item["tag"];
2460 // Convert back the masked hashtags
2461 $item["body"] = str_replace("#", "#", $item["body"]);
2464 public static function getGuidById($id)
2466 $item = self::selectFirst(['guid'], ['id' => $id]);
2467 if (DBA::isResult($item)) {
2468 return $item['guid'];
2475 * This function is only used for the old Friendica app on Android that doesn't like paths with guid
2476 * @param string $guid item guid
2477 * @param int $uid user id
2478 * @return array with id and nick of the item with the given guid
2480 public static function getIdAndNickByGuid($guid, $uid = 0)
2486 $uid == local_user();
2489 // Does the given user have this item?
2491 $item = self::selectFirst(['id'], ['guid' => $guid, 'uid' => $uid]);
2492 if (DBA::isResult($item)) {
2493 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $uid]);
2494 if (!DBA::isResult($user)) {
2498 $nick = $user['nickname'];
2502 // Or is it anywhere on the server?
2504 $condition = ["`guid` = ? AND `uid` != 0", $guid];
2505 $item = self::selectFirst(['id', 'uid'], $condition);
2506 if (DBA::isResult($item)) {
2507 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
2508 if (!DBA::isResult($user)) {
2512 $nick = $user['nickname'];
2515 return ["nick" => $nick, "id" => $id];
2519 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2521 * @param int $item_id
2522 * @return bool true if item was deleted, else false
2524 private static function tagDeliver($uid, $item_id)
2528 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2529 if (!DBA::isResult($user)) {
2533 $community_page = (($user['page-flags'] == Contact::PAGE_COMMUNITY) ? true : false);
2534 $prvgroup = (($user['page-flags'] == Contact::PAGE_PRVGROUP) ? true : false);
2536 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2537 if (!DBA::isResult($item)) {
2541 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2544 * Diaspora uses their own hardwired link URL in @-tags
2545 * instead of the one we supply with webfinger
2547 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2549 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2551 foreach ($matches as $mtch) {
2552 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2554 Logger::log('mention found: ' . $mtch[2]);
2560 if (($community_page || $prvgroup) &&
2561 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2562 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2564 Logger::log("no-mention top-level post to community or private group. delete.");
2565 DBA::delete('item', ['id' => $item_id]);
2571 $arr = ['item' => $item, 'user' => $user];
2573 Addon::callHooks('tagged', $arr);
2575 if (!$community_page && !$prvgroup) {
2580 * tgroup delivery - setup a second delivery chain
2581 * prevent delivery looping - only proceed
2582 * if the message originated elsewhere and is a top-level post
2584 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2588 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2589 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2590 if (!DBA::isResult($self)) {
2594 $owner_id = Contact::getIdForURL($self['url']);
2596 // also reset all the privacy bits to the forum default permissions
2598 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2600 $psid = PermissionSet::fetchIDForPost($user);
2602 $forum_mode = ($prvgroup ? 2 : 1);
2604 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2605 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2606 self::update($fields, ['id' => $item_id]);
2608 self::updateThread($item_id);
2610 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2613 public static function isRemoteSelf($contact, &$datarray)
2617 if (!$contact['remote_self']) {
2621 // Prevent the forwarding of posts that are forwarded
2622 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2623 Logger::log('Already forwarded', Logger::DEBUG);
2627 // Prevent to forward already forwarded posts
2628 if ($datarray["app"] == $a->getHostName()) {
2629 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2633 // Only forward posts
2634 if ($datarray["verb"] != ACTIVITY_POST) {
2635 Logger::log('No post', Logger::DEBUG);
2639 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2640 Logger::log('Not public', Logger::DEBUG);
2644 $datarray2 = $datarray;
2645 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2646 if ($contact['remote_self'] == 2) {
2647 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2648 ['uid' => $contact['uid'], 'self' => true]);
2649 if (DBA::isResult($self)) {
2650 $datarray['contact-id'] = $self["id"];
2652 $datarray['owner-name'] = $self["name"];
2653 $datarray['owner-link'] = $self["url"];
2654 $datarray['owner-avatar'] = $self["thumb"];
2656 $datarray['author-name'] = $datarray['owner-name'];
2657 $datarray['author-link'] = $datarray['owner-link'];
2658 $datarray['author-avatar'] = $datarray['owner-avatar'];
2660 unset($datarray['created']);
2661 unset($datarray['edited']);
2663 unset($datarray['network']);
2664 unset($datarray['owner-id']);
2665 unset($datarray['author-id']);
2668 if ($contact['network'] != Protocol::FEED) {
2669 $datarray["guid"] = System::createUUID();
2670 unset($datarray["plink"]);
2671 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2672 $datarray["parent-uri"] = $datarray["uri"];
2673 $datarray["thr-parent"] = $datarray["uri"];
2674 $datarray["extid"] = Protocol::DFRN;
2675 $urlpart = parse_url($datarray2['author-link']);
2676 $datarray["app"] = $urlpart["host"];
2678 $datarray['private'] = 0;
2682 if ($contact['network'] != Protocol::FEED) {
2683 // Store the original post
2684 $result = self::insert($datarray2, false, false);
2685 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2687 $datarray["app"] = "Feed";
2691 // Trigger automatic reactions for addons
2692 $datarray['api_source'] = true;
2694 // We have to tell the hooks who we are - this really should be improved
2695 $_SESSION["authenticated"] = true;
2696 $_SESSION["uid"] = $contact['uid'];
2705 * @param array $item
2709 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2711 if (Config::get('system', 'disable_embedded')) {
2715 Logger::log('check for photos', Logger::DEBUG);
2716 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2721 $img_start = strpos($orig_body, '[img');
2722 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2723 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2725 while (($img_st_close !== false) && ($img_len !== false)) {
2726 $img_st_close++; // make it point to AFTER the closing bracket
2727 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2729 Logger::log('found photo ' . $image, Logger::DEBUG);
2731 if (stristr($image, $site . '/photo/')) {
2732 // Only embed locally hosted photos
2734 $i = basename($image);
2735 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2736 $x = strpos($i, '-');
2739 $res = substr($i, $x + 1);
2740 $i = substr($i, 0, $x);
2741 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2742 $photo = DBA::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2743 if (DBA::isResult($photo)) {
2745 * Check to see if we should replace this photo link with an embedded image
2746 * 1. No need to do so if the photo is public
2747 * 2. If there's a contact-id provided, see if they're in the access list
2748 * for the photo. If so, embed it.
2749 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2750 * permissions, regardless of order but first check to see if they're an exact
2751 * match to save some processing overhead.
2753 if (self::hasPermissions($photo)) {
2755 $recips = self::enumeratePermissions($photo);
2756 if (in_array($cid, $recips)) {
2760 if (self::samePermissions($item, $photo)) {
2766 $data = $photo['data'];
2767 $type = $photo['type'];
2769 // If a custom width and height were specified, apply before embedding
2770 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2771 Logger::log('scaling photo', Logger::DEBUG);
2773 $width = intval($match[1]);
2774 $height = intval($match[2]);
2776 $Image = new Image($data, $type);
2777 if ($Image->isValid()) {
2778 $Image->scaleDown(max($width, $height));
2779 $data = $Image->asString();
2780 $type = $Image->getType();
2784 Logger::log('replacing photo', Logger::DEBUG);
2785 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2786 Logger::log('replaced: ' . $image, Logger::DATA);
2792 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2793 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2794 if ($orig_body === false) {
2798 $img_start = strpos($orig_body, '[img');
2799 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2800 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2803 $new_body = $new_body . $orig_body;
2808 private static function hasPermissions($obj)
2810 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2811 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2814 private static function samePermissions($obj1, $obj2)
2816 // first part is easy. Check that these are exactly the same.
2817 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2818 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2819 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2820 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2824 // This is harder. Parse all the permissions and compare the resulting set.
2825 $recipients1 = self::enumeratePermissions($obj1);
2826 $recipients2 = self::enumeratePermissions($obj2);
2830 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2831 return ($recipients1 == $recipients2);
2834 // returns an array of contact-ids that are allowed to see this object
2835 public static function enumeratePermissions($obj)
2837 $allow_people = expand_acl($obj['allow_cid']);
2838 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2839 $deny_people = expand_acl($obj['deny_cid']);
2840 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2841 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2842 $deny = array_unique(array_merge($deny_people, $deny_groups));
2843 $recipients = array_diff($recipients, $deny);
2847 public static function getFeedTags($item)
2851 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2853 for ($x = 0; $x < $cnt; $x ++) {
2854 if ($matches[1][$x]) {
2855 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2860 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2862 for ($x = 0; $x < $cnt; $x ++) {
2863 if ($matches[1][$x]) {
2864 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2871 public static function expire($uid, $days, $network = "", $force = false)
2873 if (!$uid || ($days < 1)) {
2877 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2878 $uid, GRAVITY_PARENT];
2881 * $expire_network_only = save your own wall posts
2882 * and just expire conversations started by others
2884 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2886 if ($expire_network_only) {
2887 $condition[0] .= " AND NOT `wall`";
2890 if ($network != "") {
2891 $condition[0] .= " AND `network` = ?";
2892 $condition[] = $network;
2895 * There is an index "uid_network_received" but not "uid_network_created"
2896 * This avoids the creation of another index just for one purpose.
2897 * And it doesn't really matter wether to look at "received" or "created"
2899 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2900 $condition[] = $days;
2902 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2903 $condition[] = $days;
2906 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2908 if (!DBA::isResult($items)) {
2912 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2914 // Forcing expiring of items - but not notes and marked items
2916 $expire_items = true;
2919 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2920 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2921 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2925 while ($item = Item::fetch($items)) {
2926 // don't expire filed items
2928 if (strpos($item['file'], '[') !== false) {
2932 // Only expire posts, not photos and photo comments
2934 if (!$expire_photos && strlen($item['resource-id'])) {
2936 } elseif (!$expire_starred && intval($item['starred'])) {
2938 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
2940 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
2944 self::deleteById($item['id'], PRIORITY_LOW);
2949 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2952 public static function firstPostDate($uid, $wall = false)
2954 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2955 $params = ['order' => ['created' => false]];
2956 $thread = DBA::selectFirst('thread', ['created'], $condition, $params);
2957 if (DBA::isResult($thread)) {
2958 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2964 * @brief add/remove activity to an item
2966 * Toggle activities as like,dislike,attend of an item
2968 * @param string $item_id
2969 * @param string $verb
2970 * Activity verb. One of
2971 * like, unlike, dislike, undislike, attendyes, unattendyes,
2972 * attendno, unattendno, attendmaybe, unattendmaybe
2973 * @hook 'post_local_end'
2975 * 'post_id' => ID of posted item
2977 public static function performLike($item_id, $verb)
2979 if (!local_user() && !remote_user()) {
2986 $activity = ACTIVITY_LIKE;
2990 $activity = ACTIVITY_DISLIKE;
2994 $activity = ACTIVITY_ATTEND;
2998 $activity = ACTIVITY_ATTENDNO;
3001 case 'unattendmaybe':
3002 $activity = ACTIVITY_ATTENDMAYBE;
3005 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3009 // Enable activity toggling instead of on/off
3010 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
3012 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3014 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3015 if (!DBA::isResult($item)) {
3016 Logger::log('like: unknown item ' . $item_id);
3020 $item_uri = $item['uri'];
3022 $uid = $item['uid'];
3023 if (($uid == 0) && local_user()) {
3024 $uid = local_user();
3027 if (!Security::canWriteToUserWall($uid)) {
3028 Logger::log('like: unable to write on wall ' . $uid);
3032 // Retrieves the local post owner
3033 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3034 if (!DBA::isResult($owner_self_contact)) {
3035 Logger::log('like: unknown owner ' . $uid);
3039 // Retrieve the current logged in user's public contact
3040 $author_id = public_contact();
3042 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3043 if (!DBA::isResult($author_contact)) {
3044 Logger::log('like: unknown author ' . $author_id);
3048 // Contact-id is the uid-dependant author contact
3049 if (local_user() == $uid) {
3050 $item_contact_id = $owner_self_contact['id'];
3051 $item_contact = $owner_self_contact;
3053 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3054 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3055 if (!DBA::isResult($item_contact)) {
3056 Logger::log('like: unknown item contact ' . $item_contact_id);
3061 // Look for an existing verb row
3062 // event participation are essentially radio toggles. If you make a subsequent choice,
3063 // we need to eradicate your first choice.
3064 if ($event_verb_flag) {
3065 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
3067 // Translate to the index based activity index
3069 foreach ($verbs as $verb) {
3070 $activities[] = self::activityToIndex($verb);
3073 $activities = self::activityToIndex($activity);
3076 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3077 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3079 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3081 // If it exists, mark it as deleted
3082 if (DBA::isResult($like_item)) {
3083 self::deleteById($like_item['id']);
3085 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3090 // Verb is "un-something", just trying to delete existing entries
3091 if (strpos($verb, 'un') === 0) {
3095 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE;
3098 'guid' => System::createUUID(),
3099 'uri' => self::newURI($item['uid']),
3100 'uid' => $item['uid'],
3101 'contact-id' => $item_contact_id,
3102 'wall' => $item['wall'],
3104 'network' => Protocol::DFRN,
3105 'gravity' => GRAVITY_ACTIVITY,
3106 'parent' => $item['id'],
3107 'parent-uri' => $item['uri'],
3108 'thr-parent' => $item['uri'],
3109 'owner-id' => $author_id,
3110 'author-id' => $author_id,
3111 'body' => $activity,
3112 'verb' => $activity,
3113 'object-type' => $objtype,
3114 'allow_cid' => $item['allow_cid'],
3115 'allow_gid' => $item['allow_gid'],
3116 'deny_cid' => $item['deny_cid'],
3117 'deny_gid' => $item['deny_gid'],
3122 $signed = Diaspora::createLikeSignature($uid, $new_item);
3123 if (!empty($signed)) {
3124 $new_item['diaspora_signed_text'] = json_encode($signed);
3127 $new_item_id = self::insert($new_item);
3129 // If the parent item isn't visible then set it to visible
3130 if (!$item['visible']) {
3131 self::update(['visible' => true], ['id' => $item['id']]);
3134 $new_item['id'] = $new_item_id;
3136 Addon::callHooks('post_local_end', $new_item);
3141 private static function addThread($itemid, $onlyshadow = false)
3143 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3144 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3145 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3146 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3147 $item = self::selectFirst($fields, $condition);
3149 if (!DBA::isResult($item)) {
3153 $item['iid'] = $itemid;
3156 $result = DBA::insert('thread', $item);
3158 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3162 private static function updateThread($itemid, $setmention = false)
3164 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3165 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3166 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3167 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3169 $item = self::selectFirst($fields, $condition);
3170 if (!DBA::isResult($item)) {
3175 $item["mention"] = 1;
3182 foreach ($item as $field => $data) {
3183 if (!in_array($field, ["guid"])) {
3184 $fields[$field] = $data;
3188 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3190 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3193 private static function deleteThread($itemid, $itemuri = "")
3195 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3196 if (!DBA::isResult($item)) {
3197 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3201 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3203 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3205 if ($itemuri != "") {
3206 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3207 if (!self::exists($condition)) {
3208 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3209 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3214 public static function getPermissionsSQLByUserId($owner_id, $remote_verified = false, $groups = null)
3216 $local_user = local_user();
3217 $remote_user = remote_user();
3220 * Construct permissions
3222 * default permissions - anonymous user
3224 $sql = " AND NOT `item`.`private`";
3226 // Profile owner - everything is visible
3227 if ($local_user && ($local_user == $owner_id)) {
3229 } elseif ($remote_user) {
3231 * Authenticated visitor. Unless pre-verified,
3232 * check that the contact belongs to this $owner_id
3233 * and load the groups the visitor belongs to.
3234 * If pre-verified, the caller is expected to have already
3235 * done this and passed the groups into this function.
3237 $set = PermissionSet::get($owner_id, $remote_user, $groups);
3240 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3245 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";