$m->connect('main/oembed', array('action' => 'oembed'));
}
+ public function onGetRemoteUrlMetadataFromDom($url, DOMDocument $dom, stdClass &$metadata)
+ {
+ try {
+ common_log(LOG_INFO, 'Trying to discover an oEmbed endpoint using link headers.');
+ $api = oEmbedHelper::oEmbedEndpointFromHTML($dom);
+ common_log(LOG_INFO, 'Found oEmbed API endpoint ' . $api . ' for URL ' . $url);
+ $params = array(
+ 'maxwidth' => common_config('thumbnail', 'width'),
+ 'maxheight' => common_config('thumbnail', 'height'),
+ );
+ $metadata = oEmbedHelper::getOembedFrom($api, $url, $params);
+
+ // Facebook just gives us javascript in its oembed html,
+ // so use the content of the title element instead
+ if(strpos($url,'https://www.facebook.com/') === 0) {
+ $metadata->html = @$dom->getElementsByTagName('title')->item(0)->nodeValue;
+ }
+
+ // Wordpress sometimes also just gives us javascript, use og:description if it is available
+ $xpath = new DomXpath($dom);
+ $generatorNode = @$xpath->query('//meta[@name="generator"][1]')->item(0);
+ if ($generatorNode instanceof DomElement) {
+ // when wordpress only gives us javascript, the html stripped from tags
+ // is the same as the title, so this helps us to identify this (common) case
+ if(strpos($generatorNode->getAttribute('content'),'WordPress') === 0
+ && trim(strip_tags($metadata->html)) == trim($metadata->title)) {
+ $propertyNode = @$xpath->query('//meta[@property="og:description"][1]')->item(0);
+ if ($propertyNode instanceof DomElement) {
+ $metadata->html = $propertyNode->getAttribute('content');
+ }
+ }
+ }
+ } catch (Exception $e) {
+ common_log(LOG_INFO, 'Could not find an oEmbed endpoint using link headers, trying OpenGraph from HTML.');
+ // Just ignore it!
+ $metadata = OpenGraphHelper::ogFromHtml($dom);
+ }
+
+ if (isset($metadata->thumbnail_url)) {
+ // sometimes sites serve the path, not the full URL, for images
+ // let's "be liberal in what you accept from others"!
+ // add protocol and host if the thumbnail_url starts with /
+ if(substr($metadata->thumbnail_url,0,1) == '/') {
+ $thumbnail_url_parsed = parse_url($metadata->url);
+ $metadata->thumbnail_url = $thumbnail_url_parsed['scheme']."://".$thumbnail_url_parsed['host'].$metadata->thumbnail_url;
+ }
+
+ // some wordpress opengraph implementations sometimes return a white blank image
+ // no need for us to save that!
+ if($metadata->thumbnail_url == 'https://s0.wp.com/i/blank.jpg') {
+ unset($metadata->thumbnail_url);
+ }
+ }
+
+ }
+
public function onEndShowHeadElements(Action $action)
{
switch ($action->getActionName()) {
array(),
array('format'=>'json', 'url'=>
common_local_url('attachment',
- array('attachment' => $action->attachment->id)))),
+ array('attachment' => $action->attachment->getID())))),
'title'=>'oEmbed'),null);
$action->element('link',array('rel'=>'alternate',
'type'=>'text/xml+oembed',
array(),
array('format'=>'xml','url'=>
common_local_url('attachment',
- array('attachment' => $action->attachment->id)))),
+ array('attachment' => $action->attachment->getID())))),
'title'=>'oEmbed'),null);
break;
case 'shownotice':
+ if (!$action->notice->isLocal()) {
+ break;
+ }
try {
$action->element('link',array('rel'=>'alternate',
'type'=>'application/json+oembed',
return true;
}
+ public function onEndShowStylesheets(Action $action) {
+ $action->cssLink($this->path('css/oembed.css'));
+ return true;
+ }
+
/**
* Save embedding information for a File, if applicable.
*
*/
public function onEndFileSaveNew(File $file)
{
- $fo = File_oembed::getKV('file_id', $file->id);
+ $fo = File_oembed::getKV('file_id', $file->getID());
if ($fo instanceof File_oembed) {
- common_log(LOG_WARNING, "Strangely, a File_oembed object exists for new file {$file->id}", __FILE__);
+ common_log(LOG_WARNING, "Strangely, a File_oembed object exists for new file {$file->getID()}", __FILE__);
return true;
}
if ($oembed_data === false) {
throw new Exception('Did not get oEmbed data from URL');
}
+ $file->setTitle($oembed_data->title);
} catch (Exception $e) {
+ common_log(LOG_WARNING, sprintf(__METHOD__.': %s thrown when getting oEmbed data: %s', get_class($e), _ve($e->getMessage())));
return true;
}
- File_oembed::saveNew($oembed_data, $file->id);
+ File_oembed::saveNew($oembed_data, $file->getID());
}
return true;
}
public function onEndShowAttachmentLink(HTMLOutputter $out, File $file)
{
- $oembed = File_oembed::getKV('file_id', $file->id);
+ $oembed = File_oembed::getKV('file_id', $file->getID());
if (empty($oembed->author_name) && empty($oembed->provider)) {
return true;
}
{
// Never treat generic HTML links as an enclosure type!
// But if we have oEmbed info, we'll consider it golden.
- $oembed = File_oembed::getKV('file_id', $file->id);
+ $oembed = File_oembed::getKV('file_id', $file->getID());
if (!$oembed instanceof File_oembed || !in_array($oembed->type, array('photo', 'video'))) {
return true;
}
- foreach (array('mimetype', 'url', 'title', 'modified') as $key) {
- if (!empty($oembed->{$key})) {
+ foreach (array('mimetype', 'url', 'title', 'modified', 'width', 'height') as $key) {
+ if (isset($oembed->{$key}) && !empty($oembed->{$key})) {
$enclosure->{$key} = $oembed->{$key};
}
}
return true;
}
-
+
public function onStartShowAttachmentRepresentation(HTMLOutputter $out, File $file)
{
try {
return true;
}
+ // Show thumbnail as usual if it's a photo.
+ if ($oembed->type === 'photo') {
+ return true;
+ }
+
+ $out->elementStart('article', ['class'=>'h-entry oembed']);
+ $out->elementStart('header');
+ try {
+ $thumb = $file->getThumbnail(128, 128);
+ $out->element('img', $thumb->getHtmlAttrs(['class'=>'u-photo oembed']));
+ unset($thumb);
+ } catch (Exception $e) {
+ $out->element('div', ['class'=>'error'], $e->getMessage());
+ }
+ $out->elementStart('h5', ['class'=>'p-name oembed']);
+ $out->element('a', ['class'=>'u-url', 'href'=>$file->getUrl()], common_strip_html($oembed->title));
+ $out->elementEnd('h5');
+ $out->elementStart('div', ['class'=>'p-author oembed']);
+ if (!empty($oembed->author_name)) {
+ // TRANS: text before the author name of oEmbed attachment representation
+ // FIXME: The whole "By x from y" should be i18n because of different language constructions.
+ $out->text(_('By '));
+ $attrs = ['class'=>'h-card p-author'];
+ if (!empty($oembed->author_url)) {
+ $attrs['href'] = $oembed->author_url;
+ $tag = 'a';
+ } else {
+ $tag = 'span';
+ }
+ $out->element($tag, $attrs, $oembed->author_name);
+ }
+ if (!empty($oembed->provider)) {
+ // TRANS: text between the oEmbed author name and provider url
+ // FIXME: The whole "By x from y" should be i18n because of different language constructions.
+ $out->text(_(' from '));
+ $attrs = ['class'=>'h-card'];
+ if (!empty($oembed->provider_url)) {
+ $attrs['href'] = $oembed->provider_url;
+ $tag = 'a';
+ } else {
+ $tag = 'span';
+ }
+ $out->element($tag, $attrs, $oembed->provider);
+ }
+ $out->elementEnd('div');
+ $out->elementEnd('header');
+ $out->elementStart('div', ['class'=>'p-summary oembed']);
+ $out->raw(common_purify($oembed->html));
+ $out->elementEnd('div');
+ $out->elementStart('footer');
+ $out->elementEnd('footer');
+ $out->elementEnd('article');
+
+ return false;
+ }
+
+ public function onShowUnsupportedAttachmentRepresentation(HTMLOutputter $out, File $file)
+ {
+ try {
+ $oembed = File_oembed::getByFile($file);
+ } catch (NoResultException $e) {
+ return true;
+ }
+
+ // the 'photo' type is shown through ordinary means, using StartShowAttachmentRepresentation!
switch ($oembed->type) {
- case 'rich':
case 'video':
case 'link':
if (!empty($oembed->html)
&& (GNUsocial::isAjax() || common_config('attachments', 'show_html'))) {
- require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
- $config = array(
- 'safe'=>1,
- 'elements'=>'*+object+embed');
- $out->raw(htmLawed($oembed->html,$config));
+ require_once INSTALLDIR.'/extlib/HTMLPurifier/HTMLPurifier.auto.php';
+ $purifier = new HTMLPurifier();
+ // FIXME: do we allow <object> and <embed> here? we did that when we used htmLawed, but I'm not sure anymore...
+ $out->raw($purifier->purify($oembed->html));
}
+ return false;
break;
-
- case 'photo':
- $out->element('img', array('src' => $oembed->url, 'width' => $oembed->width, 'height' => $oembed->height, 'alt' => 'alt'));
- break;
-
- default:
- Event::handle('ShowUnsupportedAttachmentRepresentation', array($out, $file));
}
+
+ return true;
}
public function onCreateFileImageThumbnailSource(File $file, &$imgPath, $media=null)
// and File_thumbnail tables respectively. If not, we're not going to do anything.
$file_oembed = File_oembed::getByFile($file);
$thumbnail = File_thumbnail::byFile($file);
- } catch (Exception $e) {
+ } catch (NoResultException $e) {
// Not Oembed data, or at least nothing we either can or want to use.
return true;
}
protected function storeRemoteFileThumbnail(File_thumbnail $thumbnail)
{
if (!empty($thumbnail->filename) && file_exists($thumbnail->getPath())) {
- throw new AlreadyFulfilledException(sprintf('A thumbnail seems to already exist for remote file with id==%u', $thumbnail->file_id));
+ throw new AlreadyFulfilledException(sprintf('A thumbnail seems to already exist for remote file with id==%u', $thumbnail->getFileId()));
}
- $url = $thumbnail->getUrl();
- $this->checkWhitelist($url);
+ $remoteUrl = $thumbnail->getUrl();
+ $this->checkWhitelist($remoteUrl);
- // First we download the file to memory and test whether it's actually an image file
+ $http = new HTTPClient();
+ // First see if it's too large for us
+ common_debug(__METHOD__ . ': '.sprintf('Performing HEAD request for remote file id==%u to avoid unnecessarily downloading too large files. URL: %s', $thumbnail->getFileId(), $remoteUrl));
+ $head = $http->head($remoteUrl);
+ $remoteUrl = $head->getEffectiveUrl(); // to avoid going through redirects again
+
+ $headers = $head->getHeader();
+ $filesize = isset($headers['content-length']) ? $headers['content-length'] : null;
+
+ // FIXME: I just copied some checks from StoreRemoteMedia, maybe we should have other checks for thumbnails? Or at least embed into some class somewhere.
+ if (empty($filesize)) {
+ // file size not specified on remote server
+ common_debug(sprintf('%s: Ignoring remote thumbnail because we did not get a content length for thumbnail for file id==%u', __CLASS__, $thumbnail->getFileId()));
+ return true;
+ } elseif ($filesize > common_config('attachments', 'file_quota')) {
+ // file too big according to site configuration
+ common_debug(sprintf('%s: Skip downloading remote thumbnail because content length (%u) is larger than file_quota (%u) for file id==%u', __CLASS__, intval($filesize), common_config('attachments', 'file_quota'), $thumbnail->getFileId()));
+ return true;
+ }
+
+ // Then we download the file to memory and test whether it's actually an image file
// FIXME: To support remote video/whatever files, this needs reworking.
- common_debug(sprintf('Downloading remote thumbnail for file id==%u with thumbnail URL: %s', $thumbnail->file_id, $url));
- $imgData = HTTPClient::quickGet($url);
+ common_debug(sprintf('Downloading remote thumbnail for file id==%u (should be size %u) with effective URL: %s', $thumbnail->getFileId(), $filesize, _ve($remoteUrl)));
+ $imgData = HTTPClient::quickGet($remoteUrl);
$info = @getimagesizefromstring($imgData);
if ($info === false) {
throw new UnsupportedMediaException(_('Remote file format was not identified as an image.'), $url);
throw new UnsupportedMediaException(_('Image file had impossible geometry (0 width or height)'));
}
+ $ext = File::guessMimeExtension($info['mime']);
+
// We'll trust sha256 (File::FILEHASH_ALG) not to have collision issues any time soon :)
- $filename = hash(File::FILEHASH_ALG, $imgData) . '.' . common_supported_mime_to_ext($info['mime']);
+ $filename = 'oembed-'.hash(File::FILEHASH_ALG, $imgData) . ".{$ext}";
$fullpath = File_thumbnail::path($filename);
// Write the file to disk. Throw Exception on failure
if (!file_exists($fullpath) && file_put_contents($fullpath, $imgData) === false) {
$thumbnail->width = $info[0]; // array indexes documented on php.net:
$thumbnail->height = $info[1]; // https://php.net/manual/en/function.getimagesize.php
// Throws exception on failure.
- $thumbnail->updateWithKeys($orig, 'file_id');
+ $thumbnail->updateWithKeys($orig);
}
public function onPluginVersion(array &$versions)
projects / quix0rs-gnu-social.git / blobdiff