/**
* For initializing members of the class.
*
* @param array $args misc. arguments
*
* @return boolean true
*/
function prepare($args)
{
parent::prepare($args);
if (!$this->isPost()) {
throw new ClientException(_('POST only'), 405);
}
$this->checkSessionToken();
$this->url = $this->trimmed('url');
if (empty($this->url)) {
throw new ClientException(_('URL is required.'), 400);
}
if (!Validate::uri($this->url, array('allowed_schemes' => array('http', 'https')))) {
throw new ClientException(_('Invalid URL.'), 400);
}
$f = File::staticGet('url', $this->url);
if (empty($url)) {
$f = File::processNew($this->url);
}
// How about now?
if (!empty($f)) {
$this->oembed = File_oembed::staticGet('file_id', $f->id);
if (!empty($this->oembed)) {
$this->title = $this->oembed->title;
}
$this->thumbnail = File_thumbnail::staticGet('file_id', $f->id);
}
return true;
}
/**
* For initializing members of the class.
*
* @param array $args misc. arguments
*
* @return boolean true
*/
function prepare($args)
{
parent::prepare($args);
if (!$this->isPost()) {
throw new ClientException(_('POST only'), 405);
}
$this->checkSessionToken();
$this->url = $this->trimmed('url');
if (empty($this->url)) {
throw new ClientException(_('URL is required.'), 400);
}
if (!common_valid_http_url($this->url)) {
throw new ClientException(_('Invalid URL.'), 400);
}
try {
// processNew will first try to fetch a locally stored File entry
$f = File::processNew($this->url);
} catch (ServerException $e) {
$f = null;
}
// How about now?
if ($f instanceof File) {
// FIXME: Use some File metadata Event instead
$this->oembed = File_oembed::getKV('file_id', $f->id);
if ($this->oembed instanceof File_oembed) {
$this->title = $this->oembed->title;
}
$this->thumbnail = File_thumbnail::getKV('file_id', $f->id);
}
return true;
}
/**
* @fixme refactor this mess, it's gotten pretty scary.
* @param bool $followRedirects
*/
function processNew($given_url, $notice_id = null, $followRedirects = true)
{
if (empty($given_url)) {
return -1;
}
// error, no url to process
$given_url = File_redirection::_canonUrl($given_url);
if (empty($given_url)) {
return -1;
}
// error, no url to process
$file = File::staticGet('url', $given_url);
if (empty($file)) {
$file_redir = File_redirection::staticGet('url', $given_url);
if (empty($file_redir)) {
// @fixme for new URLs this also looks up non-redirect data
// such as target content type, size, etc, which we need
// for File::saveNew(); so we call it even if not following
// new redirects.
$redir_data = File_redirection::where($given_url);
if (is_array($redir_data)) {
$redir_url = $redir_data['url'];
} elseif (is_string($redir_data)) {
$redir_url = $redir_data;
$redir_data = array();
} else {
throw new ServerException("Can't process url '{$given_url}'");
}
// TODO: max field length
if ($redir_url === $given_url || strlen($redir_url) > 255 || !$followRedirects) {
$x = File::saveNew($redir_data, $given_url);
$file_id = $x->id;
} else {
// This seems kind of messed up... for now skipping this part
// if we're already under a redirect, so we don't go into
// horrible infinite loops if we've been given an unstable
// redirect (where the final destination of the first request
// doesn't match what we get when we ask for it again).
//
// Seen in the wild with clojure.org, which redirects through
// wikispaces for auth and appends session data in the URL params.
$x = File::processNew($redir_url, $notice_id, false);
$file_id = $x->id;
File_redirection::saveNew($redir_data, $file_id, $given_url);
}
} else {
$file_id = $file_redir->file_id;
}
} else {
$file_id = $file->id;
$x = $file;
}
if (empty($x)) {
$x = File::staticGet($file_id);
if (empty($x)) {
throw new ServerException("Robin thinks something is impossible.");
}
}
if (!empty($notice_id)) {
File_to_post::processNew($file_id, $notice_id);
}
return $x;
}
function common_linkify($url)
{
// It comes in special'd, so we unspecial it before passing to the stringifying
// functions
$url = htmlspecialchars_decode($url);
if (strpos($url, '@') !== false && strpos($url, ':') === false) {
//url is an email address without the mailto: protocol
$canon = "mailto:{$url}";
$longurl = "mailto:{$url}";
} else {
$canon = File_redirection::_canonUrl($url);
$longurl_data = File_redirection::where($canon);
if (is_array($longurl_data)) {
$longurl = $longurl_data['url'];
} elseif (is_string($longurl_data)) {
$longurl = $longurl_data;
} else {
throw new ServerException("Can't linkify url '{$url}'");
}
}
$attrs = array('href' => $canon, 'title' => $longurl, 'rel' => 'external');
$is_attachment = false;
$attachment_id = null;
$has_thumb = false;
// Check to see whether this is a known "attachment" URL.
$f = File::staticGet('url', $longurl);
if (empty($f)) {
// XXX: this writes to the database. :<
$f = File::processNew($longurl);
}
if (!empty($f)) {
if ($f->getEnclosure()) {
$is_attachment = true;
$attachment_id = $f->id;
$thumb = File_thumbnail::staticGet('file_id', $f->id);
if (!empty($thumb)) {
$has_thumb = true;
}
}
}
// Add clippy
if ($is_attachment) {
$attrs['class'] = 'attachment';
if ($has_thumb) {
$attrs['class'] = 'attachment thumbnail';
}
$attrs['id'] = "attachment-{$attachment_id}";
}
return XMLStringer::estring('a', $attrs, $url);
}
/**
* Shorten a URL with the current user's configured shortening service,
* or ur1.ca if configured, or not at all if no shortening is set up.
*
* @param string $long_url original URL
* @param User $user to specify a particular user's options
* @param boolean $force Force shortening (used when notice is too long)
* @return string may return the original URL if shortening failed
*
* @fixme provide a way to specify a particular shortener
*/
function common_shorten_url($long_url, User $user = null, $force = false)
{
$long_url = trim($long_url);
$user = common_current_user();
$maxUrlLength = User_urlshortener_prefs::maxUrlLength($user);
// $force forces shortening even if it's not strictly needed
// I doubt URL shortening is ever 'strictly' needed. - ESP
if (mb_strlen($long_url) < $maxUrlLength && !$force) {
return $long_url;
}
$shortenerName = User_urlshortener_prefs::urlShorteningService($user);
if (Event::handle('StartShortenUrl', array($long_url, $shortenerName, &$shortenedUrl))) {
if ($shortenerName == 'internal') {
$f = File::processNew($long_url);
if (empty($f)) {
return $long_url;
} else {
$shortenedUrl = common_local_url('redirecturl', array('id' => $f->id));
return $shortenedUrl;
}
} else {
return $long_url;
}
} else {
//URL was shortened, so return the result
return trim($shortenedUrl);
}
}
function common_linkify($url)
{
// It comes in special'd, so we unspecial it before passing to the stringifying
// functions
$url = htmlspecialchars_decode($url);
if (strpos($url, '@') !== false && strpos($url, ':') === false && Validate::email($url)) {
//url is an email address without the mailto: protocol
$canon = "mailto:{$url}";
$longurl = "mailto:{$url}";
} else {
$canon = File_redirection::_canonUrl($url);
$longurl_data = File_redirection::where($canon, common_config('attachments', 'process_links'));
if (is_array($longurl_data)) {
$longurl = $longurl_data['url'];
} elseif (is_string($longurl_data)) {
$longurl = $longurl_data;
} else {
// Unable to reach the server to verify contents, etc
// Just pass the link on through for now.
common_log(LOG_ERR, "Can't linkify url '{$url}'");
$longurl = $url;
}
}
$attrs = array('href' => $canon, 'title' => $longurl);
$is_attachment = false;
$attachment_id = null;
$has_thumb = false;
// Check to see whether this is a known "attachment" URL.
$f = File::staticGet('url', $longurl);
if (empty($f)) {
if (common_config('attachments', 'process_links')) {
// XXX: this writes to the database. :<
$f = File::processNew($longurl);
}
}
if (!empty($f)) {
if ($f->getEnclosure()) {
$is_attachment = true;
$attachment_id = $f->id;
$thumb = File_thumbnail::staticGet('file_id', $f->id);
if (!empty($thumb)) {
$has_thumb = true;
}
}
}
// Add clippy
if ($is_attachment) {
$attrs['class'] = 'attachment';
if ($has_thumb) {
$attrs['class'] = 'attachment thumbnail';
}
$attrs['id'] = "attachment-{$attachment_id}";
}
// Whether to nofollow
$nf = common_config('nofollow', 'external');
if ($nf == 'never') {
$attrs['rel'] = 'external';
} else {
$attrs['rel'] = 'nofollow external';
}
return XMLStringer::estring('a', $attrs, $url);
}
/**
* Record URL links from the notice. Needed to get thumbnail records
* for referenced photo and video posts, etc.
*
* @param Notice $notice
* @param object $status
*/
function saveStatusAttachments($notice, $status)
{
if (common_config('attachments', 'process_links')) {
if (!empty($status->entities) && !empty($status->entities->urls)) {
foreach ($status->entities->urls as $url) {
File::processNew($url->url, $notice->id);
}
}
}
}
/**
* @private callback
*/
function saveUrl($url, Notice $notice)
{
try {
File::processNew($url, $notice);
} catch (ServerException $e) {
// Could not save URL. Log it?
}
}
function processNew($given_url, $notice_id = null)
{
if (empty($given_url)) {
return -1;
}
// error, no url to process
$given_url = File_redirection::_canonUrl($given_url);
if (empty($given_url)) {
return -1;
}
// error, no url to process
$file = File::staticGet('url', $given_url);
if (empty($file)) {
$file_redir = File_redirection::staticGet('url', $given_url);
if (empty($file_redir)) {
$redir_data = File_redirection::where($given_url);
if (is_array($redir_data)) {
$redir_url = $redir_data['url'];
} elseif (is_string($redir_data)) {
$redir_url = $redir_data;
$redir_data = array();
} else {
throw new ServerException("Can't process url '{$given_url}'");
}
// TODO: max field length
if ($redir_url === $given_url || strlen($redir_url) > 255) {
$x = File::saveNew($redir_data, $given_url);
$file_id = $x->id;
} else {
$x = File::processNew($redir_url, $notice_id);
$file_id = $x->id;
File_redirection::saveNew($redir_data, $file_id, $given_url);
}
} else {
$file_id = $file_redir->file_id;
}
} else {
$file_id = $file->id;
$x = $file;
}
if (empty($x)) {
$x = File::staticGet($file_id);
if (empty($x)) {
throw new ServerException("Robin thinks something is impossible.");
}
}
if (!empty($notice_id)) {
File_to_post::processNew($file_id, $notice_id);
}
return $x;
}
/**
* @private callback
*/
function saveUrl($data)
{
list($url, $notice_id) = $data;
File::processNew($url, $notice_id);
}
function processNew($given_url, $notice_id)
{
if (empty($given_url)) {
return -1;
}
// error, no url to process
$given_url = File_redirection::_canonUrl($given_url);
if (empty($given_url)) {
return -1;
}
// error, no url to process
$file = File::staticGet('url', $given_url);
if (empty($file)) {
$file_redir = File_redirection::staticGet('url', $given_url);
if (empty($file_redir)) {
common_debug("processNew() '{$given_url}' not a known redirect.\n");
$redir_data = File_redirection::where($given_url);
$redir_url = $redir_data['url'];
if ($redir_url === $given_url) {
$x = File::saveNew($redir_data, $given_url);
$file_id = $x->id;
} else {
$x = File::processNew($redir_url, $notice_id);
$file_id = $x->id;
File_redirection::saveNew($redir_data, $file_id, $given_url);
}
} else {
$file_id = $file_redir->file_id;
}
} else {
$file_id = $file->id;
$x = $file;
}
if (empty($x)) {
$x = File::staticGet($file_id);
if (empty($x)) {
die('Impossible!');
}
}
File_to_post::processNew($file_id, $notice_id);
return $x;
}
/**
* @private callback
*/
function saveUrl($url, $notice_id)
{
File::processNew($url, $notice_id);
}
/**
* Record URL links from the notice. Needed to get thumbnail records
* for referenced photo and video posts, etc.
*
* @param Notice $notice
* @param object $status
*/
function saveStatusAttachments(Notice $notice, $status)
{
if (common_config('attachments', 'process_links')) {
if (!empty($status->entities) && !empty($status->entities->urls)) {
foreach ($status->entities->urls as $url) {
try {
File::processNew($url->url, $notice);
} catch (ServerException $e) {
// Could not process attached URL
}
}
}
}
}
