[OEmbed][Embed] Renamed OEmbed plugin to Embed

lib/default.php

@@ -349,7 +349,7 @@ $default =
                             'DirectMessage' => array(),
                             'EmailAuthentication' => array(),
                             'Event' => array(),
-                            'Oembed' => array(),
+                            'Embed' => array(),
                             'OpenID' => array(),
                             'OpportunisticQM' => array(),
                             'OStatus' => array(),

plugins/Embed/EmbedPlugin.php

@@ -15,13 +15,14 @@
 // along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * OembedPlugin implementation for GNU social
+ * OEmbed and OpenGraph implementation for GNU social
  *
  * @package   GNUsocial
  * @author    Stephen Paul Weber
  * @author    hannes
  * @author    Mikael Nordfeldth
  * @author    Diogo Cordeiro <diogo@fc.up.pt>
+ * @author    Miguel Dantas <biodantasgs@gmail.com>
  * @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
@@ -29,29 +30,31 @@
 defined('GNUSOCIAL') || die();
 
 /**
- * Base class for the oEmbed plugin that does most of the heavy lifting to get
+ * Base class for the Embed plugin that does most of the heavy lifting to get
  * and display representations for remote content.
  *
  * @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
-class OembedPlugin extends Plugin
+class EmbedPlugin extends Plugin
 {
-    const PLUGIN_VERSION = '2.0.1';
+    const PLUGIN_VERSION = '0.1.0';
 
-    // settings which can be set in config.php with addPlugin('Oembed', array('param'=>'value', ...));
-    // WARNING, these are _regexps_ (slashes added later). Always escape your dots and end your strings
-    public $domain_whitelist = array(       // hostname => service provider
+    // settings which can be set in config.php with addPlugin('Embed', array('param'=>'value', ...));
+    // WARNING, these are _regexps_ (slashes added later). Always escape your dots and end ('$') your strings
+
+    public $domain_whitelist = [
+        // hostname => service provider
         '^i\d*\.ytimg\.com$' => 'YouTube',
         '^i\d*\.vimeocdn\.com$' => 'Vimeo',
-                                    );
+    ];
     public $append_whitelist = array();  // fill this array as domain_whitelist to add more trusted sources
     public $check_whitelist  = false;    // security/abuse precaution
 
     protected $imgData = array();
 
     /**
-     * Initialize the oEmbed plugin and set up the environment it needs for it.
+     * Initialize the Embed plugin and set up the environment it needs for it.
      * Returns true if it initialized properly, the exception object if it
      * doesn't.
      */
@@ -77,19 +80,19 @@ class OembedPlugin extends Plugin
 
     /**
      * This code executes when GNU social creates the page routing, and we hook
-     * on this event to add our action handler for oEmbed.
+     * on this event to add our action handler for Embed.
      *
      * @param $m URLMapper the router that was initialized.
      * @return bool true if successful, the exception object if it isn't.
      */
     public function onRouterInitialized(URLMapper $m)
     {
-        $m->connect('main/oembed', ['action' => 'oembed']);
+        $m->connect('main/embed', ['action' => 'embed']);
     }
 
     /**
      * This event executes when GNU social encounters a remote URL we then decide
-     * to interrogate for metadata.  oEmbed gloms onto it to see if we have an
+     * to interrogate for metadata.  Embed gloms onto it to see if we have an
      * oEmbed endpoint or image to try to represent in the post.
      *
      * @param $url string        the remote URL we're looking at
@@ -218,7 +221,7 @@ class OembedPlugin extends Plugin
 
     public function onEndShowStylesheets(Action $action)
     {
-        $action->cssLink($this->path('css/oembed.css'));
+        $action->cssLink($this->path('css/embed.css'));
         return true;
     }
 
@@ -233,9 +236,9 @@ class OembedPlugin extends Plugin
      */
     public function onEndFileSaveNew(File $file)
     {
-        $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->getID()}", __FILE__);
+        $fo = File_embed::getKV('file_id', $file->getID());
+        if ($fo instanceof File_embed) {
+            common_log(LOG_WARNING, "Strangely, a File_embed object exists for new file {$file->getID()}", __FILE__);
             return true;
         }
 
@@ -243,51 +246,51 @@ class OembedPlugin extends Plugin
             && (('text/html' === substr($file->mimetype, 0, 9)
             || 'application/xhtml+xml' === substr($file->mimetype, 0, 21)))) {
             try {
-                $oembed_data = File_oembed::_getOembed($file->url);
-                if ($oembed_data === false) {
-                    throw new Exception('Did not get oEmbed data from URL');
+                $embed_data = File_embed::_getEmbed($file->url);
+                if ($embed_data === false) {
+                    throw new Exception('Did not get embed data from URL');
                 }
-                $file->setTitle($oembed_data->title);
+                $file->setTitle($embed_data->title);
             } catch (Exception $e) {
-                common_log(LOG_WARNING, sprintf(__METHOD__.': %s thrown when getting oEmbed data: %s', get_class($e), _ve($e->getMessage())));
+                common_log(LOG_WARNING, sprintf(__METHOD__.': %s thrown when getting embed data: %s', get_class($e), _ve($e->getMessage())));
                 return true;
             }
 
-            File_oembed::saveNew($oembed_data, $file->getID());
+            File_embed::saveNew($embed_data, $file->getID());
         }
         return true;
     }
 
     public function onEndShowAttachmentLink(HTMLOutputter $out, File $file)
     {
-        $oembed = File_oembed::getKV('file_id', $file->getID());
-        if (empty($oembed->author_name) && empty($oembed->provider)) {
+        $embed = File_embed::getKV('file_id', $file->getID());
+        if (empty($embed->author_name) && empty($embed->provider)) {
             return true;
         }
         $out->elementStart('div', array('id'=>'oembed_info', 'class'=>'e-content'));
-        if (!empty($oembed->author_name)) {
+        if (!empty($embed->author_name)) {
             $out->elementStart('div', 'fn vcard author');
-            if (empty($oembed->author_url)) {
-                $out->text($oembed->author_name);
+            if (empty($embed->author_url)) {
+                $out->text($embed->author_name);
             } else {
                 $out->element(
                     'a',
-                    array('href' => $oembed->author_url,
+                    array('href' => $embed->author_url,
                           'class' => 'url'),
-                    $oembed->author_name
+                    $embed->author_name
                 );
             }
         }
-        if (!empty($oembed->provider)) {
+        if (!empty($embed->provider)) {
             $out->elementStart('div', 'fn vcard');
-            if (empty($oembed->provider_url)) {
-                $out->text($oembed->provider);
+            if (empty($embed->provider_url)) {
+                $out->text($embed->provider);
             } else {
                 $out->element(
                     'a',
-                    array('href' => $oembed->provider_url,
+                    array('href' => $embed->provider_url,
                           'class' => 'url'),
-                    $oembed->provider
+                    $embed->provider
                 );
             }
         }
@@ -297,15 +300,15 @@ class OembedPlugin extends Plugin
     public function onFileEnclosureMetadata(File $file, &$enclosure)
     {
         // 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', $file->getID());
-        if (!$oembed instanceof File_oembed || !in_array($oembed->type, array('photo', 'video'))) {
+        // But if we have embed info, we'll consider it golden.
+        $embed = File_embed::getKV('file_id', $file->getID());
+        if (!$embed instanceof File_embed || !in_array($embed->type, array('photo', 'video'))) {
             return true;
         }
 
         foreach (array('mimetype', 'url', 'title', 'modified', 'width', 'height') as $key) {
-            if (isset($oembed->{$key}) && !empty($oembed->{$key})) {
-                $enclosure->{$key} = $oembed->{$key};
+            if (isset($embed->{$key}) && !empty($embed->{$key})) {
+                $enclosure->{$key} = $embed->{$key};
             }
         }
         return true;
@@ -314,59 +317,59 @@ class OembedPlugin extends Plugin
     public function onStartShowAttachmentRepresentation(HTMLOutputter $out, File $file)
     {
         try {
-            $oembed = File_oembed::getByFile($file);
+            $embed = File_embed::getByFile($file);
         } catch (NoResultException $e) {
             return true;
         }
 
         // Show thumbnail as usual if it's a photo.
-        if ($oembed->type === 'photo') {
+        if ($embed->type === 'photo') {
             return true;
         }
 
-        $out->elementStart('article', ['class'=>'h-entry oembed']);
+        $out->elementStart('article', ['class'=>'h-entry embed']);
         $out->elementStart('header');
         try {
             $thumb = $file->getThumbnail(128, 128);
-            $out->element('img', $thumb->getHtmlAttrs(['class'=>'u-photo oembed']));
+            $out->element('img', $thumb->getHtmlAttrs(['class'=>'u-photo embed']));
             unset($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->elementStart('h5', ['class'=>'p-name embed']);
+        $out->element('a', ['class'=>'u-url', 'href'=>$file->getUrl()], common_strip_html($embed->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
+        $out->elementStart('div', ['class'=>'p-author embed']);
+        if (!empty($embed->author_name)) {
+            // TRANS: text before the author name of embed 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'] = $oembed->author_url;
+            if (!empty($embed->author_url)) {
+                $attrs['href'] = $embed->author_url;
                 $tag = 'a';
             } else {
                 $tag = 'span';
             }
-            $out->element($tag, $attrs, $oembed->author_name);
+            $out->element($tag, $attrs, $embed->author_name);
         }
-        if (!empty($oembed->provider)) {
-            // TRANS: text between the oEmbed author name and provider url
+        if (!empty($embed->provider)) {
+            // TRANS: text between the embed 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'] = $oembed->provider_url;
+            if (!empty($embed->provider_url)) {
+                $attrs['href'] = $embed->provider_url;
                 $tag = 'a';
             } else {
                 $tag = 'span';
             }
-            $out->element($tag, $attrs, $oembed->provider);
+            $out->element($tag, $attrs, $embed->provider);
         }
         $out->elementEnd('div');
         $out->elementEnd('header');
         $out->elementStart('div', ['class'=>'p-summary oembed']);
-        $out->raw(common_purify($oembed->html));
+        $out->raw(common_purify($embed->html));
         $out->elementEnd('div');
         $out->elementStart('footer');
         $out->elementEnd('footer');
@@ -378,20 +381,21 @@ class OembedPlugin extends Plugin
     public function onShowUnsupportedAttachmentRepresentation(HTMLOutputter $out, File $file)
     {
         try {
-            $oembed = File_oembed::getByFile($file);
+            $embed = File_embed::getByFile($file);
         } catch (NoResultException $e) {
             return true;
         }
 
         // the 'photo' type is shown through ordinary means, using StartShowAttachmentRepresentation!
-        switch ($oembed->type) {
+        switch ($embed->type) {
         case 'video':
         case 'link':
-            if (!empty($oembed->html)
+            if (!empty($embed->html)
                     && (GNUsocial::isAjax() || common_config('attachments', 'show_html'))) {
-                $purifier = new \HTMLPurifier();
+                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));
+                $out->raw($purifier->purify($embed->html));
             }
             return false;
         }
@@ -401,7 +405,7 @@ class OembedPlugin extends Plugin
 
     /**
      * This event executes when GNU social is creating a file thumbnail entry in
-     * the database.  We glom onto this to create proper information for oEmbed
+     * the database.  We glom onto this to create proper information for Embed
      * object thumbnails.
      *
      * @param $file File the file of the created thumbnail
@@ -418,20 +422,20 @@ class OembedPlugin extends Plugin
             return true;
         }
 
-        // All our remote Oembed images lack a local filename property in the File object
+        // All our remote Embed images lack a local filename property in the File object
         if (!is_null($file->filename)) {
-            common_debug(sprintf('Filename of file id==%d is not null (%s), so nothing oEmbed '.
+            common_debug(sprintf('Filename of file id==%d is not null (%s), so nothing Embed '.
                                  'should handle.', $file->getID(), _ve($file->filename)));
             return true;
         }
 
         try {
-            // If we have proper oEmbed data, there should be an entry in the File_oembed
+            // If we have proper Embed data, there should be an entry in the File_embed
             // and File_thumbnail tables respectively. If not, we're not going to do anything.
             $thumbnail = File_thumbnail::byFile($file);
         } catch (NoResultException $e) {
-            // Not Oembed data, or at least nothing we either can or want to use.
-            common_debug('No oEmbed data found for file id=='.$file->getID());
+            // Not Embed data, or at least nothing we either can or want to use.
+            common_debug('No Embed data found for file id=='.$file->getID());
             return true;
         }
 
@@ -440,7 +444,7 @@ class OembedPlugin extends Plugin
         } catch (AlreadyFulfilledException $e) {
             // aw yiss!
         } catch (Exception $e) {
-            common_debug(sprintf('oEmbed encountered an exception (%s) for file id==%d: %s',
+            common_debug(sprintf('Embed encountered an exception (%s) for file id==%d: %s',
                                  get_class($e), $file->getID(), _ve($e->getMessage())));
             throw $e;
         }
@@ -512,11 +516,11 @@ class OembedPlugin extends Plugin
     private function isRemoteImage($url)
     {
         if (!filter_var($url, FILTER_VALIDATE_URL)) {
-            common_log(LOG_ERR, "Invalid URL in OEmbed::isRemoteImage()");
+            common_log(LOG_ERR, "Invalid URL in Embed::isRemoteImage()");
             return false;
         }
         if ($url==null) {
-            common_log(LOG_ERR, "URL not specified in OEmbed::isRemoteImage()");
+            common_log(LOG_ERR, "URL not specified in Embed::isRemoteImage()");
             return false;
         }
         try {
@@ -585,7 +589,7 @@ class OembedPlugin extends Plugin
 
         try {
             // We'll trust sha256 (File::FILEHASH_ALG) not to have collision issues any time soon :)
-            $original_filename = bin2hex('oembed.' . $ext);
+            $original_filename = bin2hex('embed.' . $ext);
             $filehash = hash(File::FILEHASH_ALG, $imgData);
             $filename = "{$original_filename}-{$filehash}";
             $fullpath = File_thumbnail::path($filename);
@@ -594,7 +598,7 @@ class OembedPlugin extends Plugin
                 throw new ServerException(_('Could not write downloaded file to disk.'));
             }
         } catch (Exception $err) {
-            common_log(LOG_ERROR, "Went to write a thumbnail to disk in OembedPlugin::storeRemoteThumbnail " .
+            common_log(LOG_ERROR, "Went to write a thumbnail to disk in EmbedPlugin::storeRemoteThumbnail " .
                        "but encountered error: {$err}");
             return $err;
         } finally {
@@ -611,7 +615,7 @@ class OembedPlugin extends Plugin
             $thumbnail->updateWithKeys($orig);
         } catch (exception $err) {
             common_log(LOG_ERROR, "Went to write a thumbnail entry to the database in " .
-                       "OembedPlugin::storeRemoteThumbnail but encountered error: ".$err);
+                       "EmbedPlugin::storeRemoteThumbnail but encountered error: ".$err);
             return $err;
         }
         return true;
@@ -626,13 +630,13 @@ class OembedPlugin extends Plugin
      */
     public function onPluginVersion(array &$versions)
     {
-        $versions[] = array('name' => 'Oembed',
+        $versions[] = array('name' => 'Embed',
                             'version' => self::PLUGIN_VERSION,
                             'author' => 'Mikael Nordfeldth',
                             'homepage' => 'http://gnu.io/social/',
                             'description' =>
                             // TRANS: Plugin description.
-                            _m('Plugin for using and representing Oembed data.'));
+                            _m('Plugin for using and representing oEmbed, OpenGraph and other data.'));
         return true;
     }
 }

plugins/Embed/actions/oembed.php

@@ -36,7 +36,7 @@ defined('GNUSOCIAL') || die();
  * @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
-class OembedAction extends Action
+class EmbedAction extends Action
 {
     protected function handle()
     {

plugins/Embed/classes/File_embed.php

@@ -92,7 +92,7 @@ class File_oembed extends Managed_DataObject
      */
     public static function getByFile(File $file)
     {
-        $fo = new File_oembed();
+        $fo = new File_embed();
         $fo->file_id = $file->id;
         if (!$fo->find(true)) {
             throw new NoResultException($fo);
@@ -113,47 +113,47 @@ class File_oembed extends Managed_DataObject
      */
     public static function saveNew($data, $file_id)
     {
-        $file_oembed = new File_oembed;
-        $file_oembed->file_id = $file_id;
+        $file_embed = new File_embed;
+        $file_embed->file_id = $file_id;
         if (!isset($data->version)) {
             common_debug('DEBUGGING oEmbed: data->version undefined in variable $data: '.var_export($data, true));
         }
-        $file_oembed->version = $data->version;
-        $file_oembed->type = $data->type;
+        $file_embed->version = $data->version;
+        $file_embed->type = $data->type;
         if (!empty($data->provider_name)) {
-            $file_oembed->provider = $data->provider_name;
+            $file_embed->provider = $data->provider_name;
         }
         if (!empty($data->provider)) {
-            $file_oembed->provider = $data->provider;
+            $file_embed->provider = $data->provider;
         }
         if (!empty($data->provider_url)) {
-            $file_oembed->provider_url = $data->provider_url;
+            $file_embed->provider_url = $data->provider_url;
         }
         if (!empty($data->width)) {
-            $file_oembed->width = intval($data->width);
+            $file_embed->width = intval($data->width);
         }
         if (!empty($data->height)) {
-            $file_oembed->height = intval($data->height);
+            $file_embed->height = intval($data->height);
         }
         if (!empty($data->html)) {
-            $file_oembed->html = $data->html;
+            $file_embed->html = $data->html;
         }
         if (!empty($data->title)) {
-            $file_oembed->title = $data->title;
+            $file_embed->title = $data->title;
         }
         if (!empty($data->author_name)) {
-            $file_oembed->author_name = $data->author_name;
+            $file_embed->author_name = $data->author_name;
         }
         if (!empty($data->author_url)) {
-            $file_oembed->author_url = $data->author_url;
+            $file_embed->author_url = $data->author_url;
         }
         if (!empty($data->url)) {
-            $file_oembed->url = $data->url;
-            $given_url = File_redirection::_canonUrl($file_oembed->url);
+            $file_embed->url = $data->url;
+            $given_url = File_redirection::_canonUrl($file_embed->url);
             if (! empty($given_url)) {
                 try {
                     $file = File::getByUrl($given_url);
-                    $file_oembed->mimetype = $file->mimetype;
+                    $file_embed->mimetype = $file->mimetype;
                 } catch (NoResultException $e) {
                     // File_redirection::where argument 'discover' is false to avoid loops
                     $redir = File_redirection::where($given_url, false);
@@ -163,9 +163,9 @@ class File_oembed extends Managed_DataObject
                 }
             }
         }
-        $result = $file_oembed->insert();
+        $result = $file_embed->insert();
         if ($result === false) {
-            throw new ServerException('Failed to insert File_oembed data into database!');
+            throw new ServerException('Failed to insert File_embed data into database!');
         }
         if (!empty($data->thumbnail_url) || ($data->type == 'photo')) {
             $ft = File_thumbnail::getKV('file_id', $file_id);