3 * @file include/items.php
6 use Friendica\BaseObject;
7 use Friendica\Content\Feature;
8 use Friendica\Core\Addon;
9 use Friendica\Core\Config;
10 use Friendica\Core\L10n;
11 use Friendica\Core\PConfig;
12 use Friendica\Core\Protocol;
13 use Friendica\Core\System;
14 use Friendica\Database\DBA;
15 use Friendica\Model\Item;
16 use Friendica\Protocol\DFRN;
17 use Friendica\Protocol\Feed;
18 use Friendica\Protocol\OStatus;
19 use Friendica\Util\DateTimeFormat;
20 use Friendica\Util\Network;
21 use Friendica\Util\ParseUrl;
22 use Friendica\Util\Temporal;
24 require_once 'include/text.php';
25 require_once 'mod/share.php';
26 require_once 'include/enotify.php';
28 function add_page_info_data(array $data, $no_photos = false)
30 Addon::callHooks('page_info_data', $data);
32 // It maybe is a rich content, but if it does have everything that a link has,
33 // then treat it that way
34 if (($data["type"] == "rich") && is_string($data["title"]) &&
35 is_string($data["text"]) && !empty($data["images"])) {
36 $data["type"] = "link";
39 $data["title"] = defaults($data, "title", "");
41 if ((($data["type"] != "link") && ($data["type"] != "video") && ($data["type"] != "photo")) || ($data["title"] == $data["url"])) {
45 if ($no_photos && ($data["type"] == "photo")) {
49 // Escape some bad characters
50 $data["url"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["url"], ENT_QUOTES, 'UTF-8', false));
51 $data["title"] = str_replace(["[", "]"], ["[", "]"], htmlentities($data["title"], ENT_QUOTES, 'UTF-8', false));
53 $text = "[attachment type='".$data["type"]."'";
55 if (empty($data["text"])) {
56 $data["text"] = $data["title"];
59 if (empty($data["text"])) {
60 $data["text"] = $data["url"];
63 if (!empty($data["url"])) {
64 $text .= " url='".$data["url"]."'";
67 if (!empty($data["title"])) {
68 $text .= " title='".$data["title"]."'";
71 if (!empty($data["images"])) {
72 $preview = str_replace(["[", "]"], ["[", "]"], htmlentities($data["images"][0]["src"], ENT_QUOTES, 'UTF-8', false));
73 // if the preview picture is larger than 500 pixels then show it in a larger mode
74 // But only, if the picture isn't higher than large (To prevent huge posts)
75 if (!Config::get('system', 'always_show_preview') && ($data["images"][0]["width"] >= 500)
76 && ($data["images"][0]["width"] >= $data["images"][0]["height"])) {
77 $text .= " image='".$preview."'";
79 $text .= " preview='".$preview."'";
83 $text .= "]".$data["text"]."[/attachment]";
86 if (isset($data["keywords"]) && count($data["keywords"])) {
88 foreach ($data["keywords"] as $keyword) {
89 /// @TODO make a positive list of allowed characters
90 $hashtag = str_replace([" ", "+", "/", ".", "#", "'", "’", "`", "(", ")", "„", "“"],
91 ["", "", "", "", "", "", "", "", "", "", "", ""], $keyword);
92 $hashtags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url] ";
96 return "\n".$text.$hashtags;
99 function query_page_info($url, $photo = "", $keywords = false, $keyword_blacklist = "")
101 $data = ParseUrl::getSiteinfoCached($url, true);
104 $data["images"][0]["src"] = $photo;
107 logger('fetch page info for ' . $url . ' ' . print_r($data, true), LOGGER_DEBUG);
109 if (!$keywords && isset($data["keywords"])) {
110 unset($data["keywords"]);
113 if (($keyword_blacklist != "") && isset($data["keywords"])) {
114 $list = explode(", ", $keyword_blacklist);
116 foreach ($list as $keyword) {
117 $keyword = trim($keyword);
119 $index = array_search($keyword, $data["keywords"]);
120 if ($index !== false) {
121 unset($data["keywords"][$index]);
129 function add_page_keywords($url, $photo = "", $keywords = false, $keyword_blacklist = "")
131 $data = query_page_info($url, $photo, $keywords, $keyword_blacklist);
134 if (isset($data["keywords"]) && count($data["keywords"])) {
135 foreach ($data["keywords"] as $keyword) {
136 $hashtag = str_replace([" ", "+", "/", ".", "#", "'"],
137 ["", "", "", "", "", ""], $keyword);
143 $tags .= "#[url=" . System::baseUrl() . "/search?tag=" . rawurlencode($hashtag) . "]" . $hashtag . "[/url]";
150 function add_page_info($url, $no_photos = false, $photo = "", $keywords = false, $keyword_blacklist = "")
152 $data = query_page_info($url, $photo, $keywords, $keyword_blacklist);
156 if (is_array($data)) {
157 $text = add_page_info_data($data, $no_photos);
163 function add_page_info_to_body($body, $texturl = false, $no_photos = false)
165 logger('add_page_info_to_body: fetch page info for body ' . $body, LOGGER_DEBUG);
167 $URLSearchString = "^\[\]";
169 // Fix for Mastodon where the mentions are in a different format
170 $body = preg_replace("/\[url\=([$URLSearchString]*)\]([#!@])(.*?)\[\/url\]/ism",
171 '$2[url=$1]$3[/url]', $body);
173 // Adding these spaces is a quick hack due to my problems with regular expressions :)
174 preg_match("/[^!#@]\[url\]([$URLSearchString]*)\[\/url\]/ism", " " . $body, $matches);
177 preg_match("/[^!#@]\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", " " . $body, $matches);
180 // Convert urls without bbcode elements
181 if (!$matches && $texturl) {
182 preg_match("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", " ".$body, $matches);
184 // Yeah, a hack. I really hate regular expressions :)
186 $matches[1] = $matches[2];
191 $footer = add_page_info($matches[1], $no_photos);
194 // Remove the link from the body if the link is attached at the end of the post
195 if (isset($footer) && (trim($footer) != "") && (strpos($footer, $matches[1]))) {
196 $removedlink = trim(str_replace($matches[1], "", $body));
197 if (($removedlink == "") || strstr($body, $removedlink)) {
198 $body = $removedlink;
201 $url = str_replace(['/', '.'], ['\/', '\.'], $matches[1]);
202 $removedlink = preg_replace("/\[url\=" . $url . "\](.*?)\[\/url\]/ism", '', $body);
203 if (($removedlink == "") || strstr($body, $removedlink)) {
204 $body = $removedlink;
208 // Add the page information to the bottom
209 if (isset($footer) && (trim($footer) != "")) {
218 * consume_feed - process atom feed and update anything/everything we might need to update
220 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
222 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
223 * It is this person's stuff that is going to be updated.
224 * $contact = the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
225 * from an external network and MAY create an appropriate contact record. Otherwise, we MUST
226 * have a contact record.
227 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
228 * might not) try and subscribe to it.
229 * $datedir sorts in reverse order
230 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
231 * imported prior to its children being seen in the stream unless we are certain
232 * of how the feed is arranged/ordered.
233 * With $pass = 1, we only pull parent items out of the stream.
234 * With $pass = 2, we only pull children (comments/likes).
236 * So running this twice, first with pass 1 and then with pass 2 will do the right
237 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
238 * model where comments can have sub-threads. That would require some massive sorting
239 * to get all the feed items into a mostly linear ordering, and might still require
242 function consume_feed($xml, array $importer, array $contact, &$hub, $datedir = 0, $pass = 0)
244 if ($contact['network'] === Protocol::OSTATUS) {
246 // Test - remove before flight
247 //$tempfile = tempnam(get_temppath(), "ostatus2");
248 //file_put_contents($tempfile, $xml);
249 logger("Consume OStatus messages ", LOGGER_DEBUG);
250 OStatus::import($xml, $importer, $contact, $hub);
256 if ($contact['network'] === Protocol::FEED) {
258 logger("Consume feeds", LOGGER_DEBUG);
259 Feed::import($xml, $importer, $contact, $hub);
265 if ($contact['network'] === Protocol::DFRN) {
266 logger("Consume DFRN messages", LOGGER_DEBUG);
268 $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
269 `contact`.`pubkey` AS `cpubkey`,
270 `contact`.`prvkey` AS `cprvkey`,
271 `contact`.`thumb` AS `thumb`,
272 `contact`.`url` as `url`,
273 `contact`.`name` as `senderName`,
276 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
277 WHERE `contact`.`id` = %d AND `user`.`uid` = %d",
278 DBA::escape($contact["id"]), DBA::escape($importer["uid"])
281 if (DBA::isResult($r)) {
282 logger("Now import the DFRN feed");
283 DFRN::import($xml, $r[0], true);
289 function subscribe_to_hub($url, array $importer, array $contact, $hubmode = 'subscribe')
291 $a = BaseObject::getApp();
294 if (!empty($importer)) {
295 $r = q("SELECT `nickname` FROM `user` WHERE `uid` = %d LIMIT 1",
296 intval($importer['uid'])
301 * Diaspora has different message-ids in feeds than they do
302 * through the direct Diaspora protocol. If we try and use
303 * the feed, we'll get duplicates. So don't.
305 if ((!DBA::isResult($r)) || $contact['network'] === Protocol::DIASPORA) {
309 $push_url = System::baseUrl() . '/pubsub/' . $r[0]['nickname'] . '/' . $contact['id'];
311 // Use a single verify token, even if multiple hubs
312 $verify_token = ((strlen($contact['hub-verify'])) ? $contact['hub-verify'] : random_string());
314 $params= 'hub.mode=' . $hubmode . '&hub.callback=' . urlencode($push_url) . '&hub.topic=' . urlencode($contact['poll']) . '&hub.verify=async&hub.verify_token=' . $verify_token;
316 logger('subscribe_to_hub: ' . $hubmode . ' ' . $contact['name'] . ' to hub ' . $url . ' endpoint: ' . $push_url . ' with verifier ' . $verify_token);
318 if (!strlen($contact['hub-verify']) || ($contact['hub-verify'] != $verify_token)) {
319 DBA::update('contact', ['hub-verify' => $verify_token], ['id' => $contact['id']]);
322 Network::post($url, $params);
324 logger('subscribe_to_hub: returns: ' . $a->get_curl_code(), LOGGER_DEBUG);
330 function drop_items(array $items)
334 if (!local_user() && !remote_user()) {
338 if (!empty($items)) {
339 foreach ($items as $item) {
340 $owner = Item::deleteForUser(['id' => $item], local_user());
342 if ($owner && !$uid) {
349 function drop_item($id)
351 $a = BaseObject::getApp();
353 // locate item to be deleted
355 $fields = ['id', 'uid', 'contact-id', 'deleted'];
356 $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $id]);
358 if (!DBA::isResult($item)) {
359 notice(L10n::t('Item not found.') . EOL);
360 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
363 if ($item['deleted']) {
369 // check if logged in user is either the author or owner of this item
371 if (!empty($_SESSION['remote'])) {
372 foreach ($_SESSION['remote'] as $visitor) {
373 if ($visitor['uid'] == $item['uid'] && $visitor['cid'] == $item['contact-id']) {
374 $contact_id = $visitor['cid'];
380 if ((local_user() == $item['uid']) || $contact_id) {
381 // Check if we should do HTML-based delete confirmation
382 if ($_REQUEST['confirm']) {
383 // <form> can't take arguments in its "action" parameter
384 // so add any arguments as hidden inputs
385 $query = explode_querystring($a->query_string);
388 foreach ($query['args'] as $arg) {
389 if (strpos($arg, 'confirm=') === false) {
390 $arg_parts = explode('=', $arg);
391 $inputs[] = ['name' => $arg_parts[0], 'value' => $arg_parts[1]];
395 return replace_macros(get_markup_template('confirm.tpl'), [
397 '$message' => L10n::t('Do you really want to delete this item?'),
398 '$extra_inputs' => $inputs,
399 '$confirm' => L10n::t('Yes'),
400 '$confirm_url' => $query['base'],
401 '$confirm_name' => 'confirmed',
402 '$cancel' => L10n::t('Cancel'),
405 // Now check how the user responded to the confirmation query
406 if ($_REQUEST['canceled']) {
407 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
411 Item::deleteForUser(['id' => $item['id']], local_user());
413 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
416 notice(L10n::t('Permission denied.') . EOL);
417 goaway(System::baseUrl() . '/' . $_SESSION['return_url']);
422 /* arrange the list in years */
423 function list_post_dates($uid, $wall)
425 $dnow = DateTimeFormat::localNow('Y-m-d');
427 $dthen = Item::firstPostDate($uid, $wall);
432 // Set the start and end date to the beginning of the month
433 $dnow = substr($dnow, 0, 8) . '01';
434 $dthen = substr($dthen, 0, 8) . '01';
439 * Starting with the current month, get the first and last days of every
440 * month down to and including the month of the first post
442 while (substr($dnow, 0, 7) >= substr($dthen, 0, 7)) {
443 $dyear = intval(substr($dnow, 0, 4));
444 $dstart = substr($dnow, 0, 8) . '01';
445 $dend = substr($dnow, 0, 8) . Temporal::getDaysInMonth(intval($dnow), intval(substr($dnow, 5)));
446 $start_month = DateTimeFormat::utc($dstart, 'Y-m-d');
447 $end_month = DateTimeFormat::utc($dend, 'Y-m-d');
448 $str = day_translate(DateTimeFormat::utc($dnow, 'F'));
450 if (empty($ret[$dyear])) {
454 $ret[$dyear][] = [$str, $end_month, $start_month];
455 $dnow = DateTimeFormat::utc($dnow . ' -1 month', 'Y-m-d');
460 function posted_date_widget($url, $uid, $wall)
464 if (!Feature::isEnabled($uid, 'archives')) {
468 // For former Facebook folks that left because of "timeline"
470 * @TODO old-lost code?
471 if ($wall && intval(PConfig::get($uid, 'system', 'no_wall_archive_widget')))
475 $visible_years = PConfig::get($uid, 'system', 'archive_visible_years', 5);
477 $ret = list_post_dates($uid, $wall);
479 if (!DBA::isResult($ret)) {
483 $cutoff_year = intval(DateTimeFormat::localNow('Y')) - $visible_years;
484 $cutoff = ((array_key_exists($cutoff_year, $ret))? true : false);
486 $o = replace_macros(get_markup_template('posted_date_widget.tpl'),[
487 '$title' => L10n::t('Archives'),
488 '$size' => $visible_years,
489 '$cutoff_year' => $cutoff_year,
490 '$cutoff' => $cutoff,
493 '$showmore' => L10n::t('show more')