3 * @file mod/display.php
7 use Friendica\Content\Pager;
8 use Friendica\Content\Text\BBCode;
9 use Friendica\Content\Text\HTML;
10 use Friendica\Core\ACL;
11 use Friendica\Core\Config;
12 use Friendica\Core\L10n;
13 use Friendica\Core\Logger;
14 use Friendica\Core\Protocol;
15 use Friendica\Core\Renderer;
16 use Friendica\Core\System;
17 use Friendica\Core\Session;
18 use Friendica\Database\DBA;
20 use Friendica\Model\Contact;
21 use Friendica\Model\Group;
22 use Friendica\Model\Item;
23 use Friendica\Model\Profile;
24 use Friendica\Module\Objects;
25 use Friendica\Network\HTTPException;
26 use Friendica\Protocol\ActivityPub;
27 use Friendica\Protocol\DFRN;
28 use Friendica\Util\Strings;
30 function display_init(App $a)
32 if (ActivityPub::isRequest()) {
33 Objects::rawContent();
36 if (Config::get('system', 'block_public') && !Session::isAuthenticated()) {
40 $nick = (($a->argc > 1) ? $a->argv[1] : '');
43 $item_user = local_user();
45 $fields = ['id', 'parent', 'author-id', 'body', 'uid', 'guid'];
47 // If there is only one parameter, then check if this parameter could be a guid
51 // Does the local user have this item?
53 $item = Item::selectFirstForUser(local_user(), $fields, ['guid' => $a->argv[1], 'uid' => local_user()]);
54 if (DBA::isResult($item)) {
55 $nick = $a->user["nickname"];
59 // Is this item private but could be visible to the remove visitor?
60 if (!DBA::isResult($item) && remote_user()) {
61 $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1, 'origin' => true]);
62 if (DBA::isResult($item)) {
63 if (!Contact::isFollower(remote_user(), $item['uid'])) {
66 $item_user = $item['uid'];
71 // Is it an item with uid=0?
72 if (!DBA::isResult($item)) {
73 $item = Item::selectFirstForUser(local_user(), $fields, ['guid' => $a->argv[1], 'private' => [0, 2], 'uid' => 0]);
75 } elseif ($a->argc >= 3 && $nick == 'feed-item') {
76 $item_id = $a->argv[2];
77 if (substr($item_id, -5) == '.atom') {
78 $item_id = substr($item_id, 0, -5);
80 $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $item_id, 'private' => [0, 2], 'uid' => 0]);
83 if (!DBA::isResult($item)) {
87 if ($a->argc >= 3 && $nick == 'feed-item') {
88 displayShowFeed($item['id'], $a->argc > 3 && $a->argv[3] == 'conversation.atom');
91 if (!empty($_SERVER['HTTP_ACCEPT']) && strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) {
92 Logger::log('Directly serving XML for id '.$item["id"], Logger::DEBUG);
93 displayShowFeed($item["id"], false);
96 if ($item["id"] != $item["parent"]) {
97 $parent = Item::selectFirstForUser($item_user, $fields, ['id' => $item["parent"]]);
98 $item = $parent ?: $item;
101 $profiledata = display_fetchauthor($a, $item);
103 if (strstr(Strings::normaliseLink($profiledata["url"]), Strings::normaliseLink(System::baseUrl()))) {
104 $nickname = str_replace(Strings::normaliseLink(System::baseUrl())."/profile/", "", Strings::normaliseLink($profiledata["url"]));
106 if ($nickname != $a->user["nickname"]) {
107 $profile = DBA::fetchFirst("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
108 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
109 WHERE `user`.`nickname` = ? AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
112 if (DBA::isResult($profile)) {
113 $profiledata = $profile;
115 $profiledata["network"] = Protocol::DFRN;
121 Profile::load($a, $nick, 0, $profiledata);
124 function display_fetchauthor($a, $item)
126 $author = DBA::selectFirst('contact', ['name', 'nick', 'photo', 'network', 'url'], ['id' => $item['author-id']]);
129 $profiledata['uid'] = -1;
130 $profiledata['nickname'] = $author['nick'];
131 $profiledata['name'] = $author['name'];
132 $profiledata['picdate'] = '';
133 $profiledata['photo'] = $author['photo'];
134 $profiledata['url'] = $author['url'];
135 $profiledata['network'] = $author['network'];
137 // Check for a repeated message
138 $shared = Item::getShareArray($item);
139 if (!empty($shared) && empty($shared['comment'])) {
140 if (!empty($shared['author'])) {
141 $profiledata['name'] = $shared['author'];
144 if (!empty($shared['profile'])) {
145 $profiledata['url'] = $shared['profile'];
148 if (!empty($shared['avatar'])) {
149 $profiledata['photo'] = $shared['avatar'];
152 $profiledata["nickname"] = $profiledata["name"];
153 $profiledata["network"] = Protocol::matchByProfileUrl($profiledata["url"]);
155 $profiledata["address"] = "";
156 $profiledata["about"] = "";
159 $profiledata = Contact::getDetailsByURL($profiledata["url"], local_user(), $profiledata);
161 if (!empty($profiledata["photo"])) {
162 $profiledata["photo"] = System::removedBaseUrl($profiledata["photo"]);
168 function display_content(App $a, $update = false, $update_uid = 0)
170 if (Config::get('system','block_public') && !Session::isAuthenticated()) {
171 throw new HTTPException\ForbiddenException(L10n::t('Public access denied.'));
179 $item_id = $_REQUEST['item_id'];
180 $item = Item::selectFirst(['uid', 'parent', 'parent-uri'], ['id' => $item_id]);
181 if ($item['uid'] != 0) {
182 $a->profile = ['uid' => intval($item['uid']), 'profile_uid' => intval($item['uid'])];
184 $a->profile = ['uid' => intval($update_uid), 'profile_uid' => intval($update_uid)];
186 $item_parent = $item['parent'];
187 $item_parent_uri = $item['parent-uri'];
189 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
190 $item_parent = $item_id;
194 $fields = ['id', 'parent', 'parent-uri', 'uid'];
197 $condition = ['guid' => $a->argv[1], 'uid' => local_user()];
198 $item = Item::selectFirstForUser(local_user(), $fields, $condition);
199 if (DBA::isResult($item)) {
200 $item_id = $item["id"];
201 $item_parent = $item["parent"];
202 $item_parent_uri = $item['parent-uri'];
206 if (($item_parent == 0) && remote_user()) {
207 $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1, 'origin' => true]);
208 if (DBA::isResult($item) && Contact::isFollower(remote_user(), $item['uid'])) {
209 $item_id = $item["id"];
210 $item_parent = $item["parent"];
211 $item_parent_uri = $item['parent-uri'];
215 if ($item_parent == 0) {
216 $condition = ['private' => [0, 2], 'guid' => $a->argv[1], 'uid' => 0];
217 $item = Item::selectFirstForUser(local_user(), $fields, $condition);
218 if (DBA::isResult($item)) {
219 $item_id = $item["id"];
220 $item_parent = $item["parent"];
221 $item_parent_uri = $item['parent-uri'];
228 throw new HTTPException\NotFoundException(L10n::t('The requested item doesn\'t exist or has been deleted.'));
231 // We are displaying an "alternate" link if that post was public. See issue 2864
232 $is_public = Item::exists(['id' => $item_id, 'private' => [0, 2]]);
234 // For the atom feed the nickname doesn't matter at all, we only need the item id.
235 $alternate = System::baseUrl().'/display/feed-item/'.$item_id.'.atom';
236 $conversation = System::baseUrl().'/display/feed-item/'.$item_parent.'/conversation.atom';
242 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('display-head.tpl'),
243 ['$alternate' => $alternate,
244 '$conversation' => $conversation]);
246 $is_remote_contact = false;
247 $item_uid = local_user();
250 if (!empty($item_parent_uri)) {
251 $parent = Item::selectFirst(['uid'], ['uri' => $item_parent_uri, 'wall' => true]);
254 if (DBA::isResult($parent)) {
255 $a->profile['uid'] = ($a->profile['uid'] ?? 0) ?: $parent['uid'];
256 $a->profile['profile_uid'] = ($a->profile['profile_uid'] ?? 0) ?: $parent['uid'];
257 $is_remote_contact = Session::getRemoteContactID($a->profile['profile_uid']);
258 if ($is_remote_contact) {
259 $item_uid = $parent['uid'];
262 $a->profile = ['uid' => intval($item['uid']), 'profile_uid' => intval($item['uid'])];
265 $page_contact = DBA::selectFirst('contact', [], ['self' => true, 'uid' => $a->profile['uid']]);
266 if (DBA::isResult($page_contact)) {
267 $a->page_contact = $page_contact;
270 $is_owner = (local_user() && (in_array($a->profile['profile_uid'], [local_user(), 0])) ? true : false);
272 if (!empty($a->profile['hidewall']) && !$is_owner && !$is_remote_contact) {
273 throw new HTTPException\ForbiddenException(L10n::t('Access to this profile has been restricted.'));
276 // We need the editor here to be able to reshare an item.
280 'allow_location' => $a->user['allow_location'],
281 'default_location' => $a->user['default-location'],
282 'nickname' => $a->user['nickname'],
283 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
284 'acl' => ACL::getFullSelectorHTML($a->page, $a->user, true),
286 'visitor' => 'block',
287 'profile_uid' => local_user(),
289 $o .= status_editor($a, $x, 0, true);
291 $sql_extra = Item::getPermissionsSQLByUserId($a->profile['profile_uid']);
293 if (local_user() && (local_user() == $a->profile['profile_uid'])) {
294 $condition = ['parent-uri' => $item_parent_uri, 'uid' => local_user(), 'unseen' => true];
295 $unseen = Item::exists($condition);
300 if ($update && !$unseen) {
304 $condition = ["`id` = ? AND `item`.`uid` IN (0, ?) " . $sql_extra, $item_id, $item_uid];
305 $fields = ['parent-uri', 'body', 'title', 'author-name', 'author-avatar', 'plink', 'author-id', 'owner-id', 'contact-id'];
306 $item = Item::selectFirstForUser($a->profile['profile_uid'], $fields, $condition);
308 if (!DBA::isResult($item)) {
309 throw new HTTPException\NotFoundException(L10n::t('The requested item doesn\'t exist or has been deleted.'));
312 $item['uri'] = $item['parent-uri'];
315 $condition = ['parent-uri' => $item_parent_uri, 'uid' => local_user(), 'unseen' => true];
316 Item::update(['unseen' => false], $condition);
320 $o .= "<script> var netargs = '?f=&item_id=" . $item_id . "'; </script>";
323 $o .= conversation($a, [$item], new Pager($a->query_string), 'display', $update_uid, false, 'commented', $item_uid);
325 // Preparing the meta header
326 $description = trim(HTML::toPlaintext(BBCode::convert($item["body"], false), 0, true));
327 $title = trim(HTML::toPlaintext(BBCode::convert($item["title"], false), 0, true));
328 $author_name = $item["author-name"];
330 $image = DI::baseUrl()->remove($item["author-avatar"]);
333 $title = $author_name;
336 // Limit the description to 160 characters
337 if (strlen($description) > 160) {
338 $description = substr($description, 0, 157) . '...';
341 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
342 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
343 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
345 if (DBA::exists('contact', ['unsearchable' => true, 'id' => [$item['contact-id'], $item['author-id'], $item['owner-id']]])) {
346 $a->page['htmlhead'] .= '<meta content="noindex, noarchive" name="robots" />' . "\n";
349 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
350 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
351 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
352 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
354 // Schema.org microdata
355 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
356 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
357 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
358 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
361 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
362 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
363 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
364 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
365 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$item["plink"].'" />'."\n";
368 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
369 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
372 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
373 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
374 $a->page['htmlhead'] .= '<meta property="og:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
375 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$item["plink"].'" />'."\n";
376 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
377 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
383 function displayShowFeed($item_id, $conversation)
385 $xml = DFRN::itemFeed($item_id, $conversation);
387 throw new HTTPException\InternalServerErrorException(L10n::t('The feed for this item is unavailable.'));
389 header("Content-type: application/atom+xml");