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\Database\DBA;
18 use Friendica\Model\Contact;
19 use Friendica\Model\Group;
20 use Friendica\Model\Item;
21 use Friendica\Model\Profile;
22 use Friendica\Module\Objects;
23 use Friendica\Network\HTTPException;
24 use Friendica\Protocol\ActivityPub;
25 use Friendica\Protocol\DFRN;
26 use Friendica\Util\Strings;
28 function display_init(App $a)
30 if (ActivityPub::isRequest()) {
31 Objects::rawContent();
34 if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
38 $nick = (($a->argc > 1) ? $a->argv[1] : '');
41 $item_user = local_user();
43 $fields = ['id', 'parent', 'author-id', 'body', 'uid', 'guid'];
45 // If there is only one parameter, then check if this parameter could be a guid
49 // Does the local user have this item?
51 $item = Item::selectFirstForUser(local_user(), $fields, ['guid' => $a->argv[1], 'uid' => local_user()]);
52 if (DBA::isResult($item)) {
53 $nick = $a->user["nickname"];
55 // Is this item private but could be visible to the remove visitor?
56 } elseif (remote_user()) {
57 $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1]);
58 if (DBA::isResult($item)) {
59 if (!Contact::isFollower(remote_user(), $item['uid'])) {
62 $item_user = $item['uid'];
67 // Is it an item with uid=0?
68 if (!DBA::isResult($item)) {
69 $item = Item::selectFirstForUser(local_user(), $fields, ['guid' => $a->argv[1], 'private' => [0, 2], 'uid' => 0]);
71 } elseif ($a->argc >= 3 && $nick == 'feed-item') {
72 $item_id = $a->argv[2];
73 if (substr($item_id, -5) == '.atom') {
74 $item_id = substr($item_id, 0, -5);
76 $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $item_id, 'private' => [0, 2], 'uid' => 0]);
79 if (!DBA::isResult($item)) {
83 if ($a->argc >= 3 && $nick == 'feed-item') {
84 displayShowFeed($item['id'], $a->argc > 3 && $a->argv[3] == 'conversation.atom');
87 if (!empty($_SERVER['HTTP_ACCEPT']) && strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) {
88 Logger::log('Directly serving XML for id '.$item["id"], Logger::DEBUG);
89 displayShowFeed($item["id"], false);
92 if ($item["id"] != $item["parent"]) {
93 $item = Item::selectFirstForUser($item_user, $fields, ['id' => $item["parent"]]);
96 $profiledata = display_fetchauthor($a, $item);
98 if (strstr(Strings::normaliseLink($profiledata["url"]), Strings::normaliseLink(System::baseUrl()))) {
99 $nickname = str_replace(Strings::normaliseLink(System::baseUrl())."/profile/", "", Strings::normaliseLink($profiledata["url"]));
101 if (($nickname != $a->user["nickname"])) {
102 $profile = DBA::fetchFirst("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
103 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
104 WHERE `user`.`nickname` = ? AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
107 if (DBA::isResult($profile)) {
108 $profiledata = $profile;
110 $profiledata["network"] = Protocol::DFRN;
116 Profile::load($a, $nick, 0, $profiledata);
119 function display_fetchauthor($a, $item)
121 $author = DBA::selectFirst('contact', ['name', 'nick', 'photo', 'network', 'url'], ['id' => $item['author-id']]);
124 $profiledata['uid'] = -1;
125 $profiledata['nickname'] = $author['nick'];
126 $profiledata['name'] = $author['name'];
127 $profiledata['picdate'] = '';
128 $profiledata['photo'] = $author['photo'];
129 $profiledata['url'] = $author['url'];
130 $profiledata['network'] = $author['network'];
132 // Check for a repeated message
134 $body = trim($item["body"]);
136 // Skip if it isn't a pure repeated messages
137 // Does it start with a share?
138 if (!$skip && strpos($body, "[share") > 0) {
141 // Does it end with a share?
142 if (!$skip && (strlen($body) > (strrpos($body, "[/share]") + 8))) {
146 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
147 // Skip if there is no shared message in there
148 if ($body == $attributes) {
154 preg_match("/author='(.*?)'/ism", $attributes, $matches);
155 if (!empty($matches[1])) {
156 $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
158 preg_match('/author="(.*?)"/ism', $attributes, $matches);
159 if (!empty($matches[1])) {
160 $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
162 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
163 if (!empty($matches[1])) {
164 $profiledata["url"] = $matches[1];
166 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
167 if (!empty($matches[1])) {
168 $profiledata["url"] = $matches[1];
170 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
171 if (!empty($matches[1])) {
172 $profiledata["photo"] = $matches[1];
174 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
175 if (!empty($matches[1])) {
176 $profiledata["photo"] = $matches[1];
178 $profiledata["nickname"] = $profiledata["name"];
179 $profiledata["network"] = Protocol::matchByProfileUrl($profiledata["url"]);
181 $profiledata["address"] = "";
182 $profiledata["about"] = "";
185 $profiledata = Contact::getDetailsByURL($profiledata["url"], local_user(), $profiledata);
187 $profiledata["photo"] = System::removedBaseUrl($profiledata["photo"]);
192 function display_content(App $a, $update = false, $update_uid = 0)
194 if (Config::get('system','block_public') && !local_user() && !remote_user()) {
195 throw new HTTPException\ForbiddenException(L10n::t('Public access denied.'));
201 $item_id = $_REQUEST['item_id'];
202 $item = Item::selectFirst(['uid', 'parent', 'parent-uri'], ['id' => $item_id]);
203 if ($item['uid'] != 0) {
204 $a->profile = ['uid' => intval($item['uid']), 'profile_uid' => intval($item['uid'])];
206 $a->profile = ['uid' => intval($update_uid), 'profile_uid' => intval($update_uid)];
208 $item_parent = $item['parent'];
209 $item_parent_uri = $item['parent-uri'];
211 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
212 $item_parent = $item_id;
216 $fields = ['id', 'parent', 'parent-uri', 'uid'];
219 $condition = ['guid' => $a->argv[1], 'uid' => local_user()];
220 $item = Item::selectFirstForUser(local_user(), $fields, $condition);
221 if (DBA::isResult($item)) {
222 $item_id = $item["id"];
223 $item_parent = $item["parent"];
224 $item_parent_uri = $item['parent-uri'];
226 } elseif (remote_user()) {
227 $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1]);
228 if (DBA::isResult($item) && Contact::isFollower(remote_user(), $item['uid'])) {
229 $item_id = $item["id"];
230 $item_parent = $item["parent"];
231 $item_parent_uri = $item['parent-uri'];
235 if ($item_parent == 0) {
236 $condition = ['private' => [0, 2], 'guid' => $a->argv[1], 'uid' => 0];
237 $item = Item::selectFirstForUser(local_user(), $fields, $condition);
238 if (DBA::isResult($item)) {
239 $item_id = $item["id"];
240 $item_parent = $item["parent"];
241 $item_parent_uri = $item['parent-uri'];
248 throw new HTTPException\NotFoundException(L10n::t('The requested item doesn\'t exist or has been deleted.'));
251 // We are displaying an "alternate" link if that post was public. See issue 2864
252 $is_public = Item::exists(['id' => $item_id, 'private' => [0, 2]]);
254 // For the atom feed the nickname doesn't matter at all, we only need the item id.
255 $alternate = System::baseUrl().'/display/feed-item/'.$item_id.'.atom';
256 $conversation = System::baseUrl().'/display/feed-item/'.$item_parent.'/conversation.atom';
262 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('display-head.tpl'),
263 ['$alternate' => $alternate,
264 '$conversation' => $conversation]);
268 $is_remote_contact = false;
269 $item_uid = local_user();
271 if (isset($item_parent_uri)) {
272 $parent = Item::selectFirst(['uid'], ['uri' => $item_parent_uri, 'wall' => true]);
273 if (DBA::isResult($parent)) {
274 $a->profile['uid'] = defaults($a->profile, 'uid', $parent['uid']);
275 $a->profile['profile_uid'] = defaults($a->profile, 'profile_uid', $parent['uid']);
276 $is_remote_contact = Contact::isFollower(remote_user(), $a->profile['profile_uid']);
278 if ($is_remote_contact) {
279 $cdata = Contact::getPublicAndUserContacID(remote_user(), $a->profile['profile_uid']);
280 if (!empty($cdata['user'])) {
281 $groups = Group::getIdsByContactId($cdata['user']);
282 $remote_cid = $cdata['user'];
283 $item_uid = $parent['uid'];
290 $page_contact = DBA::selectFirst('contact', [], ['self' => true, 'uid' => $a->profile['uid']]);
291 if (DBA::isResult($page_contact)) {
292 $a->page_contact = $page_contact;
294 $is_owner = (local_user() && (in_array($a->profile['profile_uid'], [local_user(), 0])) ? true : false);
296 if (!empty($a->profile['hidewall']) && !$is_owner && !$is_remote_contact) {
297 throw new HTTPException\ForbiddenException(L10n::t('Access to this profile has been restricted.'));
300 // We need the editor here to be able to reshare an item.
304 'allow_location' => $a->user['allow_location'],
305 'default_location' => $a->user['default-location'],
306 'nickname' => $a->user['nickname'],
307 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
308 'acl' => ACL::getFullSelectorHTML($a->user, true),
310 'visitor' => 'block',
311 'profile_uid' => local_user(),
313 $o .= status_editor($a, $x, 0, true);
315 $sql_extra = Item::getPermissionsSQLByUserId($a->profile['profile_uid'], $is_remote_contact, $groups, $remote_cid);
317 if (local_user() && (local_user() == $a->profile['profile_uid'])) {
318 $condition = ['parent-uri' => $item_parent_uri, 'uid' => local_user(), 'unseen' => true];
319 $unseen = Item::exists($condition);
324 if ($update && !$unseen) {
328 $condition = ["`id` = ? AND `item`.`uid` IN (0, ?) " . $sql_extra, $item_id, $item_uid];
329 $fields = ['parent-uri', 'body', 'title', 'author-name', 'author-avatar', 'plink'];
330 $item = Item::selectFirstForUser(local_user(), $fields, $condition);
332 if (!DBA::isResult($item)) {
333 throw new HTTPException\NotFoundException(L10n::t('The requested item doesn\'t exist or has been deleted.'));
336 $item['uri'] = $item['parent-uri'];
339 $condition = ['parent-uri' => $item_parent_uri, 'uid' => local_user(), 'unseen' => true];
340 Item::update(['unseen' => false], $condition);
344 $o .= "<script> var netargs = '?f=&item_id=" . $item_id . "'; </script>";
347 $o .= conversation($a, [$item], new Pager($a->query_string), 'display', $update_uid, false, 'commented', $item_uid);
349 // Preparing the meta header
350 $description = trim(HTML::toPlaintext(BBCode::convert($item["body"], false), 0, true));
351 $title = trim(HTML::toPlaintext(BBCode::convert($item["title"], false), 0, true));
352 $author_name = $item["author-name"];
354 $image = $a->removeBaseURL($item["author-avatar"]);
357 $title = $author_name;
360 // Limit the description to 160 characters
361 if (strlen($description) > 160) {
362 $description = substr($description, 0, 157) . '...';
365 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
366 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
367 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
369 //<meta name="keywords" content="">
370 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
371 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
372 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
373 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
375 // Schema.org microdata
376 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
377 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
378 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
379 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
382 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
383 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
384 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
385 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
386 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$item["plink"].'" />'."\n";
389 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
390 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
393 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
394 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
395 $a->page['htmlhead'] .= '<meta property="og:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
396 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$item["plink"].'" />'."\n";
397 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
398 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
404 function displayShowFeed($item_id, $conversation)
406 $xml = DFRN::itemFeed($item_id, $conversation);
408 throw new HTTPException\InternalServerErrorException(L10n::t('The feed for this item is unavailable.'));
410 header("Content-type: application/atom+xml");