3 * @file mod/display.php
6 use Friendica\Core\Config;
7 use Friendica\Core\System;
8 use Friendica\Database\DBM;
9 use Friendica\Model\Contact;
10 use Friendica\Model\Group;
11 use Friendica\Model\Profile;
12 use Friendica\Protocol\DFRN;
14 function display_init(App $a)
16 if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
20 $nick = (($a->argc > 1) ? $a->argv[1] : '');
24 if (substr($a->argv[2], -5) == '.atom') {
25 $item_id = substr($a->argv[2], 0, -5);
26 displayShowFeed($item_id, false);
31 if ($a->argv[3] == 'conversation.atom') {
32 $item_id = $a->argv[2];
33 displayShowFeed($item_id, true);
39 // If there is only one parameter, then check if this parameter could be a guid
44 // Does the local user have this item?
46 $r = dba::fetch_first("SELECT `id`, `parent`, `author-name`, `author-link`,
47 `author-avatar`, `network`, `body`, `uid`, `owner-link`
48 FROM `item` WHERE `visible` AND NOT `deleted` AND NOT `moderated`
49 AND `guid` = ? AND `uid` = ? LIMIT 1", $a->argv[1], local_user());
50 if (DBM::is_result($r)) {
51 $nick = $a->user["nickname"];
55 // Is it an item with uid=0?
56 if (!DBM::is_result($r)) {
57 $r = dba::fetch_first("SELECT `id`, `parent`, `author-name`, `author-link`,
58 `author-avatar`, `network`, `body`, `uid`, `owner-link`
59 FROM `item` WHERE `visible` AND NOT `deleted` AND NOT `moderated`
60 AND NOT `private` AND `uid` = 0
61 AND `guid` = ? LIMIT 1", $a->argv[1]);
64 if (!DBM::is_result($r)) {
66 notice(t('Item not found.') . EOL);
69 } elseif (($a->argc == 3) && ($nick == 'feed-item')) {
70 $r = dba::fetch_first("SELECT `id`, `parent`, `author-name`, `author-link`,
71 `author-avatar`, `network`, `body`, `uid`, `owner-link`
72 FROM `item` WHERE `visible` AND NOT `deleted` AND NOT `moderated`
73 AND NOT `private` AND `uid` = 0
74 AND `id` = ? LIMIT 1", $a->argv[2]);
77 if (DBM::is_result($r)) {
78 if (strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) {
79 logger('Directly serving XML for id '.$r["id"], LOGGER_DEBUG);
80 displayShowFeed($r["id"], false);
83 if ($r["id"] != $r["parent"]) {
84 $r = dba::fetch_first("SELECT `id`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
85 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
86 AND `id` = ?", $r["parent"]);
89 $profiledata = display_fetchauthor($a, $r);
91 if (strstr(normalise_link($profiledata["url"]), normalise_link(System::baseUrl()))) {
92 $nickname = str_replace(normalise_link(System::baseUrl())."/profile/", "", normalise_link($profiledata["url"]));
94 if (($nickname != $a->user["nickname"])) {
95 $r = dba::fetch_first("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
96 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
97 WHERE `user`.`nickname` = ? AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
100 if (DBM::is_result($r)) {
103 $profiledata["network"] = NETWORK_DFRN;
110 Profile::load($a, $nick, 0, $profiledata);
113 function display_fetchauthor($a, $item) {
115 $profiledata["uid"] = -1;
116 $profiledata["nickname"] = $item["author-name"];
117 $profiledata["name"] = $item["author-name"];
118 $profiledata["picdate"] = "";
119 $profiledata["photo"] = $item["author-avatar"];
120 $profiledata["url"] = $item["author-link"];
121 $profiledata["network"] = $item["network"];
123 // Check for a repeated message
125 $body = trim($item["body"]);
127 // Skip if it isn't a pure repeated messages
128 // Does it start with a share?
129 if (!$skip && strpos($body, "[share") > 0) {
132 // Does it end with a share?
133 if (!$skip && (strlen($body) > (strrpos($body, "[/share]") + 8))) {
137 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
138 // Skip if there is no shared message in there
139 if ($body == $attributes) {
146 preg_match("/author='(.*?)'/ism", $attributes, $matches);
147 if ($matches[1] != "") {
148 $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
150 preg_match('/author="(.*?)"/ism', $attributes, $matches);
151 if ($matches[1] != "") {
152 $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
155 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
156 if ($matches[1] != "") {
157 $profiledata["url"] = $matches[1];
159 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
160 if ($matches[1] != "") {
161 $profiledata["url"] = $matches[1];
164 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
165 if ($matches[1] != "") {
166 $profiledata["photo"] = $matches[1];
168 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
169 if ($matches[1] != "") {
170 $profiledata["photo"] = $matches[1];
172 $profiledata["nickname"] = $profiledata["name"];
173 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
175 $profiledata["address"] = "";
176 $profiledata["about"] = "";
179 $profiledata = Contact::getDetailsByURL($profiledata["url"], local_user(), $profiledata);
181 $profiledata["photo"] = System::removedBaseUrl($profiledata["photo"]);
184 if (in_array($profiledata["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
185 $profiledata["remoteconnect"] = System::baseUrl()."/follow?url=".urlencode($profiledata["url"]);
187 } elseif ($profiledata["network"] == NETWORK_DFRN) {
188 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
189 $profiledata["remoteconnect"] = $connect;
192 return($profiledata);
195 function display_content(App $a, $update = false, $update_uid = 0) {
196 if (Config::get('system','block_public') && !local_user() && !remote_user()) {
197 notice(t('Public access denied.') . EOL);
201 require_once 'include/security.php';
202 require_once 'include/conversation.php';
203 require_once 'include/acl_selectors.php';
208 $item_id = $_REQUEST['item_id'];
209 $item = dba::selectFirst('item', ['uid', 'parent'], ['id' => $item_id]);
210 $a->profile = ['uid' => intval($item['uid']), 'profile_uid' => intval($item['uid'])];
211 $item_parent = $item['parent'];
213 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
219 $r = dba::fetch_first("SELECT `id`, `parent` FROM `item`
220 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
221 AND `guid` = ? AND `uid` = ?", $a->argv[1], local_user());
222 if (DBM::is_result($r)) {
224 $item_parent = $r["parent"];
228 if ($item_parent == 0) {
229 $r = dba::fetch_first("SELECT `item`.`id`, `item`.`parent` FROM `item`
230 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
231 AND NOT `item`.`private` AND `item`.`uid` = 0
232 AND `item`.`guid` = ?", $a->argv[1]);
233 if (DBM::is_result($r)) {
235 $item_parent = $r["parent"];
243 notice(t('Item not found.').EOL);
247 // We are displaying an "alternate" link if that post was public. See issue 2864
248 $is_public = dba::exists('item', ['id' => $item_id, 'private' => false]);
250 // For the atom feed the nickname doesn't matter at all, we only need the item id.
251 $alternate = System::baseUrl().'/display/feed-item/'.$item_id.'.atom';
252 $conversation = System::baseUrl().'/display/feed-item/'.$item_parent.'/conversation.atom';
258 $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'),
259 ['$alternate' => $alternate,
260 '$conversation' => $conversation]);
265 $remote_contact = false;
269 if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
270 foreach ($_SESSION['remote'] as $v) {
271 if ($v['uid'] == $a->profile['uid']) {
272 $contact_id = $v['cid'];
279 $groups = Group::getIdsByContactId($contact_id);
280 $r = dba::fetch_first("SELECT * FROM `contact` WHERE `id` = ? AND `uid` = ? LIMIT 1",
284 if (DBM::is_result($r)) {
286 $remote_contact = true;
290 if (!$remote_contact) {
292 $contact_id = $_SESSION['cid'];
293 $contact = $a->contact;
297 $r = dba::fetch_first("SELECT * FROM `contact` WHERE `uid` = ? AND `self` LIMIT 1", $a->profile['uid']);
298 if (DBM::is_result($r)) {
299 $a->page_contact = $r;
301 $is_owner = (local_user() && (in_array($a->profile['profile_uid'], [local_user(), 0])) ? true : false);
303 if (x($a->profile, 'hidewall') && !$is_owner && !$remote_contact) {
304 notice(t('Access to this profile has been restricted.') . EOL);
308 // We need the editor here to be able to reshare an item.
312 'allow_location' => $a->user['allow_location'],
313 'default_location' => $a->user['default-location'],
314 'nickname' => $a->user['nickname'],
315 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
316 'acl' => populate_acl($a->user, true),
318 'visitor' => 'block',
319 'profile_uid' => local_user(),
321 $o .= status_editor($a, $x, 0, true);
324 $sql_extra = item_permissions_sql($a->profile['uid'], $remote_contact, $groups);
327 $r = dba::p("SELECT `id` FROM `item` WHERE
328 `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = ?)
329 $sql_extra AND `unseen`",
333 if (dba::num_rows($r) == 0) {
338 $r = dba::p(item_query()."AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = ?)
340 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
344 if (!DBM::is_result($r)) {
345 notice(t('Item not found.') . EOL);
349 $s = dba::inArray($r);
351 if (local_user() && (local_user() == $a->profile['uid'])) {
352 $unseen = dba::selectFirst('item', ['id'], ['parent' => $s[0]['parent'], 'unseen' => true]);
353 if (DBM::is_result($unseen)) {
354 dba::update('item', ['unseen' => false], ['parent' => $s[0]['parent'], 'unseen' => true]);
358 $items = conv_sort($s, "`commented`");
361 $o .= "<script> var netargs = '?f=&item_id=" . $item_id . "'; </script>";
363 $o .= conversation($a, $items, 'display', $update_uid);
365 // Preparing the meta header
366 require_once 'include/bbcode.php';
367 require_once 'include/html2plain.php';
368 $description = trim(html2plain(bbcode($s[0]["body"], false, false), 0, true));
369 $title = trim(html2plain(bbcode($s[0]["title"], false, false), 0, true));
370 $author_name = $s[0]["author-name"];
372 $image = $a->remove_baseurl($s[0]["author-thumb"]);
375 $title = $author_name;
378 // Limit the description to 160 characters
379 if (strlen($description) > 160) {
380 $description = substr($description, 0, 157) . '...';
383 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
384 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
385 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
387 //<meta name="keywords" content="">
388 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
389 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
390 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
391 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
393 // Schema.org microdata
394 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
395 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
396 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
397 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
400 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
401 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
402 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
403 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
404 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$s[0]["plink"].'" />'."\n";
407 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
408 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
411 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
412 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
413 $a->page['htmlhead'] .= '<meta property="og:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
414 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$s[0]["plink"].'" />'."\n";
415 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
416 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
422 function displayShowFeed($item_id, $conversation) {
423 $xml = DFRN::itemFeed($item_id, $conversation);
425 http_status_exit(500);
427 header("Content-type: application/atom+xml");