<?php /** * @file mod/display.php */ use Friendica\App; use Friendica\Content\Text\BBCode; use Friendica\Content\Text\HTML; use Friendica\Core\ACL; use Friendica\Core\Config; use Friendica\Core\L10n; use Friendica\Core\Protocol; use Friendica\Core\System; use Friendica\Database\DBM; use Friendica\Model\Contact; use Friendica\Model\Group; use Friendica\Model\Profile; use Friendica\Protocol\DFRN; function display_init(App $a) { if (Config::get('system', 'block_public') && !local_user() && !remote_user()) { return; } $nick = (($a->argc > 1) ? $a->argv[1] : ''); $profiledata = []; if ($a->argc == 3) { if (substr($a->argv[2], -5) == '.atom') { $item_id = substr($a->argv[2], 0, -5); displayShowFeed($item_id, false); } } if ($a->argc == 4) { if ($a->argv[3] == 'conversation.atom') { $item_id = $a->argv[2]; displayShowFeed($item_id, true); } } $r = false; // If there is only one parameter, then check if this parameter could be a guid if ($a->argc == 2) { $nick = ""; $r = false; // Does the local user have this item? if (local_user()) { $r = dba::fetch_first("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item` WHERE `visible` AND NOT `deleted` AND NOT `moderated` AND `guid` = ? AND `uid` = ? LIMIT 1", $a->argv[1], local_user()); if (DBM::is_result($r)) { $nick = $a->user["nickname"]; } } // Is it an item with uid=0? if (!DBM::is_result($r)) { $r = dba::fetch_first("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item` WHERE `visible` AND NOT `deleted` AND NOT `moderated` AND NOT `private` AND `uid` = 0 AND `guid` = ? LIMIT 1", $a->argv[1]); } if (!DBM::is_result($r)) { $a->error = 404; notice(L10n::t('Item not found.') . EOL); return; } } elseif (($a->argc == 3) && ($nick == 'feed-item')) { $r = dba::fetch_first("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item` WHERE `visible` AND NOT `deleted` AND NOT `moderated` AND NOT `private` AND `uid` = 0 AND `id` = ? LIMIT 1", $a->argv[2]); } if (DBM::is_result($r)) { if (strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) { logger('Directly serving XML for id '.$r["id"], LOGGER_DEBUG); displayShowFeed($r["id"], false); } if ($r["id"] != $r["parent"]) { $r = dba::fetch_first("SELECT `id`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated` AND `id` = ?", $r["parent"]); } $profiledata = display_fetchauthor($a, $r); if (strstr(normalise_link($profiledata["url"]), normalise_link(System::baseUrl()))) { $nickname = str_replace(normalise_link(System::baseUrl())."/profile/", "", normalise_link($profiledata["url"])); if (($nickname != $a->user["nickname"])) { $r = dba::fetch_first("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile` INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid` WHERE `user`.`nickname` = ? AND `profile`.`is-default` AND `contact`.`self` LIMIT 1", $nickname ); if (DBM::is_result($r)) { $profiledata = $r; } $profiledata["network"] = NETWORK_DFRN; } else { $profiledata = []; } } } Profile::load($a, $nick, 0, $profiledata); } function display_fetchauthor($a, $item) { $profiledata = []; $profiledata["uid"] = -1; $profiledata["nickname"] = $item["author-name"]; $profiledata["name"] = $item["author-name"]; $profiledata["picdate"] = ""; $profiledata["photo"] = $item["author-avatar"]; $profiledata["url"] = $item["author-link"]; $profiledata["network"] = $item["network"]; // Check for a repeated message $skip = false; $body = trim($item["body"]); // Skip if it isn't a pure repeated messages // Does it start with a share? if (!$skip && strpos($body, "[share") > 0) { $skip = true; } // Does it end with a share? if (!$skip && (strlen($body) > (strrpos($body, "[/share]") + 8))) { $skip = true; } if (!$skip) { $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body); // Skip if there is no shared message in there if ($body == $attributes) { $skip = true; } } if (!$skip) { $author = ""; preg_match("/author='(.*?)'/ism", $attributes, $matches); if ($matches[1] != "") { $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8'); } preg_match('/author="(.*?)"/ism', $attributes, $matches); if ($matches[1] != "") { $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8'); } $profile = ""; preg_match("/profile='(.*?)'/ism", $attributes, $matches); if ($matches[1] != "") { $profiledata["url"] = $matches[1]; } preg_match('/profile="(.*?)"/ism', $attributes, $matches); if ($matches[1] != "") { $profiledata["url"] = $matches[1]; } $avatar = ""; preg_match("/avatar='(.*?)'/ism", $attributes, $matches); if ($matches[1] != "") { $profiledata["photo"] = $matches[1]; } preg_match('/avatar="(.*?)"/ism', $attributes, $matches); if ($matches[1] != "") { $profiledata["photo"] = $matches[1]; } $profiledata["nickname"] = $profiledata["name"]; $profiledata["network"] = Protocol::matchByProfileUrl($profiledata["url"]); $profiledata["address"] = ""; $profiledata["about"] = ""; } $profiledata = Contact::getDetailsByURL($profiledata["url"], local_user(), $profiledata); $profiledata["photo"] = System::removedBaseUrl($profiledata["photo"]); if (local_user()) { if (in_array($profiledata["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) { $profiledata["remoteconnect"] = System::baseUrl()."/follow?url=".urlencode($profiledata["url"]); } } elseif ($profiledata["network"] == NETWORK_DFRN) { $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]); $profiledata["remoteconnect"] = $connect; } return($profiledata); } function display_content(App $a, $update = false, $update_uid = 0) { if (Config::get('system','block_public') && !local_user() && !remote_user()) { notice(L10n::t('Public access denied.') . EOL); return; } require_once 'include/security.php'; require_once 'include/conversation.php'; $o = ''; if ($update) { $item_id = $_REQUEST['item_id']; $item = dba::selectFirst('item', ['uid', 'parent'], ['id' => $item_id]); if ($item['uid'] != 0) { $a->profile = ['uid' => intval($item['uid']), 'profile_uid' => intval($item['uid'])]; } else { $a->profile = ['uid' => intval($update_uid), 'profile_uid' => intval($update_uid)]; } $item_parent = $item['parent']; } else { $item_id = (($a->argc > 2) ? $a->argv[2] : 0); if ($a->argc == 2) { $item_parent = 0; if (local_user()) { $r = dba::fetch_first("SELECT `id`, `parent` FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated` AND `guid` = ? AND `uid` = ?", $a->argv[1], local_user()); if (DBM::is_result($r)) { $item_id = $r["id"]; $item_parent = $r["parent"]; } } if ($item_parent == 0) { $r = dba::fetch_first("SELECT `item`.`id`, `item`.`parent` FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated` AND NOT `item`.`private` AND `item`.`uid` = 0 AND `item`.`guid` = ?", $a->argv[1]); if (DBM::is_result($r)) { $item_id = $r["id"]; $item_parent = $r["parent"]; } } } } if (!$item_id) { $a->error = 404; notice(L10n::t('Item not found.').EOL); return; } // We are displaying an "alternate" link if that post was public. See issue 2864 $is_public = dba::exists('item', ['id' => $item_id, 'private' => false]); if ($is_public) { // For the atom feed the nickname doesn't matter at all, we only need the item id. $alternate = System::baseUrl().'/display/feed-item/'.$item_id.'.atom'; $conversation = System::baseUrl().'/display/feed-item/'.$item_parent.'/conversation.atom'; } else { $alternate = ''; $conversation = ''; } $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), ['$alternate' => $alternate, '$conversation' => $conversation]); $groups = []; $contact = null; $remote_contact = false; $contact_id = 0; if (x($_SESSION, 'remote') && is_array($_SESSION['remote'])) { foreach ($_SESSION['remote'] as $v) { if ($v['uid'] == $a->profile['uid']) { $contact_id = $v['cid']; break; } } } if ($contact_id) { $groups = Group::getIdsByContactId($contact_id); $r = dba::fetch_first("SELECT * FROM `contact` WHERE `id` = ? AND `uid` = ? LIMIT 1", $contact_id, $a->profile['uid'] ); if (DBM::is_result($r)) { $contact = $r; $remote_contact = true; } } if (!$remote_contact) { if (local_user()) { $contact_id = $_SESSION['cid']; $contact = $a->contact; } } $r = dba::fetch_first("SELECT * FROM `contact` WHERE `uid` = ? AND `self` LIMIT 1", $a->profile['uid']); if (DBM::is_result($r)) { $a->page_contact = $r; } $is_owner = (local_user() && (in_array($a->profile['profile_uid'], [local_user(), 0])) ? true : false); if (x($a->profile, 'hidewall') && !$is_owner && !$remote_contact) { notice(L10n::t('Access to this profile has been restricted.') . EOL); return; } // We need the editor here to be able to reshare an item. if ($is_owner) { $x = [ 'is_owner' => true, 'allow_location' => $a->user['allow_location'], 'default_location' => $a->user['default-location'], 'nickname' => $a->user['nickname'], 'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'), 'acl' => ACL::getFullSelectorHTML($a->user, true), 'bang' => '', 'visitor' => 'block', 'profile_uid' => local_user(), ]; $o .= status_editor($a, $x, 0, true); } $sql_extra = item_permissions_sql($a->profile['uid'], $remote_contact, $groups); if ($update) { $r = dba::p("SELECT `id` FROM `item` WHERE `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = ?) $sql_extra AND `unseen`", $item_id ); if (dba::num_rows($r) == 0) { return ''; } } $r = dba::p(item_query()."AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = ?) $sql_extra ORDER BY `parent` DESC, `gravity` ASC, `id` ASC", $item_id ); if (!DBM::is_result($r)) { notice(L10n::t('Item not found.') . EOL); return $o; } $s = dba::inArray($r); if (local_user() && (local_user() == $a->profile['uid'])) { $unseen = dba::selectFirst('item', ['id'], ['parent' => $s[0]['parent'], 'unseen' => true]); if (DBM::is_result($unseen)) { dba::update('item', ['unseen' => false], ['parent' => $s[0]['parent'], 'unseen' => true]); } } $items = conv_sort($s, "`commented`"); if (!$update) { $o .= "<script> var netargs = '?f=&item_id=" . $item_id . "'; </script>"; } $o .= conversation($a, $items, 'display', $update_uid); // Preparing the meta header $description = trim(HTML::toPlaintext(BBCode::convert($s[0]["body"], false), 0, true)); $title = trim(HTML::toPlaintext(BBCode::convert($s[0]["title"], false), 0, true)); $author_name = $s[0]["author-name"]; $image = $a->remove_baseurl($s[0]["author-thumb"]); if ($title == "") { $title = $author_name; } // Limit the description to 160 characters if (strlen($description) > 160) { $description = substr($description, 0, 157) . '...'; } $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here //<meta name="keywords" content=""> $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n"; // Schema.org microdata $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n"; $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n"; $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n"; $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n"; // Twitter cards $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n"; $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.System::baseUrl().'/'.$image.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$s[0]["plink"].'" />'."\n"; // Dublin Core $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n"; // Open Graph $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n"; $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n"; $a->page['htmlhead'] .= '<meta property="og:image" content="'.System::baseUrl().'/'.$image.'" />'."\n"; $a->page['htmlhead'] .= '<meta property="og:url" content="'.$s[0]["plink"].'" />'."\n"; $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n"; $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n"; // article:tag return $o; } function displayShowFeed($item_id, $conversation) { $xml = DFRN::itemFeed($item_id, $conversation); if ($xml == '') { System::httpExit(500); } header("Content-type: application/atom+xml"); echo $xml; killme(); }