3 * @file mod/display.php
7 use Friendica\Content\Text\BBCode;
8 use Friendica\Content\Text\HTML;
9 use Friendica\Core\ACL;
10 use Friendica\Core\Config;
11 use Friendica\Core\L10n;
12 use Friendica\Core\Protocol;
13 use Friendica\Core\System;
14 use Friendica\Database\DBM;
15 use Friendica\Model\Contact;
16 use Friendica\Model\Group;
17 use Friendica\Model\Item;
18 use Friendica\Model\Profile;
19 use Friendica\Protocol\DFRN;
21 function display_init(App $a)
23 if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
27 $nick = (($a->argc > 1) ? $a->argv[1] : '');
31 if (substr($a->argv[2], -5) == '.atom') {
32 $item_id = substr($a->argv[2], 0, -5);
33 displayShowFeed($item_id, false);
38 if ($a->argv[3] == 'conversation.atom') {
39 $item_id = $a->argv[2];
40 displayShowFeed($item_id, true);
46 $fields = ['id', 'parent', 'author-id', 'body', 'uid'];
48 // If there is only one parameter, then check if this parameter could be a guid
53 // Does the local user have this item?
55 $r = Item::selectFirstForUser(local_user(), $fields, ['guid' => $a->argv[1], 'uid' => local_user()]);
56 if (DBM::is_result($r)) {
57 $nick = $a->user["nickname"];
61 // Is it an item with uid=0?
62 if (!DBM::is_result($r)) {
63 $r = Item::selectFirstForUser(local_user(), $fields, ['guid' => $a->argv[1], 'private' => false, 'uid' => 0]);
65 } elseif (($a->argc == 3) && ($nick == 'feed-item')) {
66 $r = Item::selectFirstForUser(local_user(), $fields, ['id' => $a->argv[2], 'private' => false, 'uid' => 0]);
69 if (!DBM::is_result($r) || $r['deleted']) {
71 notice(L10n::t('Item not found.') . EOL);
75 if (strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) {
76 logger('Directly serving XML for id '.$r["id"], LOGGER_DEBUG);
77 displayShowFeed($r["id"], false);
80 if ($r["id"] != $r["parent"]) {
81 $r = Item::selectFirstForUser(local_user(), $fields, ['id' => $r["parent"]]);
84 $profiledata = display_fetchauthor($a, $r);
86 if (strstr(normalise_link($profiledata["url"]), normalise_link(System::baseUrl()))) {
87 $nickname = str_replace(normalise_link(System::baseUrl())."/profile/", "", normalise_link($profiledata["url"]));
89 if (($nickname != $a->user["nickname"])) {
90 $r = dba::fetch_first("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
91 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
92 WHERE `user`.`nickname` = ? AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
95 if (DBM::is_result($r)) {
98 $profiledata["network"] = NETWORK_DFRN;
104 Profile::load($a, $nick, 0, $profiledata);
107 function display_fetchauthor($a, $item) {
108 $author = dba::selectFirst('contact', ['name', 'nick', 'photo', 'network', 'url'], ['id' => $item['author-id']]);
111 $profiledata['uid'] = -1;
112 $profiledata['nickname'] = $author['nick'];
113 $profiledata['name'] = $author['name'];
114 $profiledata['picdate'] = '';
115 $profiledata['photo'] = $author['photo'];
116 $profiledata['url'] = $author['url'];
117 $profiledata['network'] = $author['network'];
119 // Check for a repeated message
121 $body = trim($item["body"]);
123 // Skip if it isn't a pure repeated messages
124 // Does it start with a share?
125 if (!$skip && strpos($body, "[share") > 0) {
128 // Does it end with a share?
129 if (!$skip && (strlen($body) > (strrpos($body, "[/share]") + 8))) {
133 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
134 // Skip if there is no shared message in there
135 if ($body == $attributes) {
142 preg_match("/author='(.*?)'/ism", $attributes, $matches);
143 if ($matches[1] != "") {
144 $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
146 preg_match('/author="(.*?)"/ism', $attributes, $matches);
147 if ($matches[1] != "") {
148 $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
151 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
152 if ($matches[1] != "") {
153 $profiledata["url"] = $matches[1];
155 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
156 if ($matches[1] != "") {
157 $profiledata["url"] = $matches[1];
160 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
161 if ($matches[1] != "") {
162 $profiledata["photo"] = $matches[1];
164 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
165 if ($matches[1] != "") {
166 $profiledata["photo"] = $matches[1];
168 $profiledata["nickname"] = $profiledata["name"];
169 $profiledata["network"] = Protocol::matchByProfileUrl($profiledata["url"]);
171 $profiledata["address"] = "";
172 $profiledata["about"] = "";
175 $profiledata = Contact::getDetailsByURL($profiledata["url"], local_user(), $profiledata);
177 $profiledata["photo"] = System::removedBaseUrl($profiledata["photo"]);
180 if (in_array($profiledata["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
181 $profiledata["remoteconnect"] = System::baseUrl()."/follow?url=".urlencode($profiledata["url"]);
183 } elseif ($profiledata["network"] == NETWORK_DFRN) {
184 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
185 $profiledata["remoteconnect"] = $connect;
188 return($profiledata);
191 function display_content(App $a, $update = false, $update_uid = 0) {
192 if (Config::get('system','block_public') && !local_user() && !remote_user()) {
193 notice(L10n::t('Public access denied.') . EOL);
197 require_once 'include/security.php';
198 require_once 'include/conversation.php';
203 $item_id = $_REQUEST['item_id'];
204 $item = dba::selectFirst('item', ['uid', 'parent', 'parent-uri'], ['id' => $item_id]);
205 if ($item['uid'] != 0) {
206 $a->profile = ['uid' => intval($item['uid']), 'profile_uid' => intval($item['uid'])];
208 $a->profile = ['uid' => intval($update_uid), 'profile_uid' => intval($update_uid)];
210 $item_parent = $item['parent'];
211 $item_parent_uri = $item['parent-uri'];
213 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
219 $r = dba::fetch_first("SELECT `id`, `parent`, `parent-uri` 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"];
225 $item_parent_uri = $r['parent-uri'];
229 if ($item_parent == 0) {
230 $r = dba::fetch_first("SELECT `item`.`id`, `item`.`parent`, `item`.`parent-uri` FROM `item`
231 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
232 AND NOT `item`.`private` AND `item`.`uid` = 0
233 AND `item`.`guid` = ?", $a->argv[1]);
234 if (DBM::is_result($r)) {
236 $item_parent = $r["parent"];
237 $item_parent_uri = $r['parent-uri'];
245 notice(L10n::t('Item not found.').EOL);
249 // We are displaying an "alternate" link if that post was public. See issue 2864
250 $is_public = dba::exists('item', ['id' => $item_id, 'private' => false]);
252 // For the atom feed the nickname doesn't matter at all, we only need the item id.
253 $alternate = System::baseUrl().'/display/feed-item/'.$item_id.'.atom';
254 $conversation = System::baseUrl().'/display/feed-item/'.$item_parent.'/conversation.atom';
260 $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'),
261 ['$alternate' => $alternate,
262 '$conversation' => $conversation]);
267 $remote_contact = false;
271 if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) {
272 foreach ($_SESSION['remote'] as $v) {
273 if ($v['uid'] == $a->profile['uid']) {
274 $contact_id = $v['cid'];
281 $groups = Group::getIdsByContactId($contact_id);
282 $r = dba::fetch_first("SELECT * FROM `contact` WHERE `id` = ? AND `uid` = ? LIMIT 1",
286 if (DBM::is_result($r)) {
288 $remote_contact = true;
292 if (!$remote_contact) {
294 $contact_id = $_SESSION['cid'];
295 $contact = $a->contact;
299 $r = dba::fetch_first("SELECT * FROM `contact` WHERE `uid` = ? AND `self` LIMIT 1", $a->profile['uid']);
300 if (DBM::is_result($r)) {
301 $a->page_contact = $r;
303 $is_owner = (local_user() && (in_array($a->profile['profile_uid'], [local_user(), 0])) ? true : false);
305 if (x($a->profile, 'hidewall') && !$is_owner && !$remote_contact) {
306 notice(L10n::t('Access to this profile has been restricted.') . EOL);
310 // We need the editor here to be able to reshare an item.
314 'allow_location' => $a->user['allow_location'],
315 'default_location' => $a->user['default-location'],
316 'nickname' => $a->user['nickname'],
317 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
318 'acl' => ACL::getFullSelectorHTML($a->user, true),
320 'visitor' => 'block',
321 'profile_uid' => local_user(),
323 $o .= status_editor($a, $x, 0, true);
326 $sql_extra = item_permissions_sql($a->profile['uid'], $remote_contact, $groups);
328 if (local_user() && (local_user() == $a->profile['uid'])) {
329 $condition = ['parent-uri' => $item_parent_uri, 'uid' => local_user(), 'unseen' => true];
330 $unseen = dba::exists('item', $condition);
335 if ($update && !$unseen) {
339 $condition = ["`item`.`parent-uri` = (SELECT `parent-uri` FROM `item` WHERE `id` = ?)
340 AND `item`.`uid` IN (0, ?) " . $sql_extra, $item_id, local_user()];
341 $params = ['order' => ['uid', 'parent' => true, 'gravity', 'id']];
342 $r = Item::selectForUser(local_user(), [], $condition, $params);
344 if (!DBM::is_result($r)) {
345 notice(L10n::t('Item not found.') . EOL);
349 $s = dba::inArray($r);
352 $condition = ['parent-uri' => $item_parent_uri, 'uid' => local_user(), 'unseen' => true];
353 Item::update(['unseen' => false], $condition);
356 $items = conv_sort($s, "`commented`");
359 $o .= "<script> var netargs = '?f=&item_id=" . $item_id . "'; </script>";
361 $o .= conversation($a, $items, 'display', $update_uid, false, 'commented', local_user());
363 // Preparing the meta header
364 $description = trim(HTML::toPlaintext(BBCode::convert($s[0]["body"], false), 0, true));
365 $title = trim(HTML::toPlaintext(BBCode::convert($s[0]["title"], false), 0, true));
366 $author_name = $s[0]["author-name"];
368 $image = $a->remove_baseurl($s[0]["author-thumb"]);
371 $title = $author_name;
374 // Limit the description to 160 characters
375 if (strlen($description) > 160) {
376 $description = substr($description, 0, 157) . '...';
379 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
380 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
381 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
383 //<meta name="keywords" content="">
384 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
385 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
386 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
387 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
389 // Schema.org microdata
390 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
391 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
392 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
393 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
396 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
397 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
398 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
399 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
400 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$s[0]["plink"].'" />'."\n";
403 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
404 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
407 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
408 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
409 $a->page['htmlhead'] .= '<meta property="og:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
410 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$s[0]["plink"].'" />'."\n";
411 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
412 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
418 function displayShowFeed($item_id, $conversation) {
419 $xml = DFRN::itemFeed($item_id, $conversation);
421 System::httpExit(500);
423 header("Content-type: application/atom+xml");