oEmbed provider does not use the twitter api library classes any more

1 files changed, 206 insertions, 0 deletions

diff --git a/actions/oembed.php b/actions/oembed.php
new file mode 100644
index 000000000..3e46a7262
--- /dev/null
+++ b/actions/oembed.php
@@ -0,0 +1,206 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Laconica-only extensions to the Twitter-like API
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Twitter
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Oembed provider implementation
+ *
+ * This class handles all /main/oembed(.xml|.json)/ requests.
+ *
+ * @category  oEmbed
+ * @package   Laconica
+ * @author    Craig Andrews <candrews@integralblue.com>
+ * @copyright 2008 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+class OembedAction extends Action
+{
+
+    function handle($args)
+    {
+        common_debug("in oembed api action");
+
+        $url = $args['url'];
+        if( substr(strtolower($url),0,strlen(common_root_url())) == strtolower(common_root_url()) ){
+            $path = substr($url,strlen(common_root_url()));
+
+            $r = Router::get();
+
+            $proxy_args = $r->map($path);
+
+            if (!$proxy_args) {
+                $this->serverError(_("$path not found"), 404);
+            }
+            $oembed=array();
+            $oembed['version']='1.0';
+            $oembed['provider_name']=common_config('site', 'name');
+            $oembed['provider_url']=common_root_url();
+            switch($proxy_args['action']){
+                case 'shownotice':
+                    $oembed['type']='link';
+                    $id = $proxy_args['notice'];
+                    $notice = Notice::staticGet($id);
+                    if(empty($notice)){
+                        $this->serverError(_("notice $id not found"), 404);
+                    }
+                    $profile = $notice->getProfile();
+                    if (empty($profile)) {
+                        $this->serverError(_('Notice has no profile'), 500);
+                    }
+                    if (!empty($profile->fullname)) {
+                        $authorname = $profile->fullname . ' (' . $profile->nickname . ')';
+                    } else {
+                        $authorname = $profile->nickname;
+                    }
+                    $oembed['title'] = sprintf(_('%1$s\'s status on %2$s'),
+                        $authorname,
+                        common_exact_date($notice->created));
+                    $oembed['author_name']=$authorname;
+                    $oembed['author_url']=$profile->profileurl;
+                    $oembed['url']=($notice->url?$notice->url:$notice->uri);
+                    $oembed['html']=$notice->rendered;
+                    break;
+                case 'attachment':
+                    $id = $proxy_args['attachment'];
+                    $attachment = File::staticGet($id);
+                    if(empty($attachment)){
+                        $this->serverError(_("attachment $id not found"), 404);
+                    }
+                    if(empty($attachment->filename) && $file_oembed = File_oembed::staticGet('file_id', $attachment->id)){
+                        // Proxy the existing oembed information
+                        $oembed['type']=$file_oembed->type;
+                        $oembed['provider']=$file_oembed->provider;
+                        $oembed['provider_url']=$file_oembed->provider_url;
+                        $oembed['width']=$file_oembed->width;
+                        $oembed['height']=$file_oembed->height;
+                        $oembed['html']=$file_oembed->html;
+                        $oembed['title']=$file_oembed->title;
+                        $oembed['author_name']=$file_oembed->author_name;
+                        $oembed['author_url']=$file_oembed->author_url;
+                        $oembed['url']=$file_oembed->url;
+                    }else if(substr($attachment->mimetype,0,strlen('image/'))=='image/'){
+                        $oembed['type']='photo';
+                        //TODO set width and height
+                        //$oembed['width']=
+                        //$oembed['height']=
+                        $oembed['url']=$attachment->url;
+                    }else{
+                        $oembed['type']='link';
+                        $oembed['url']=common_local_url('attachment',
+                            array('attachment' => $attachment->id));
+                    }
+                    if($attachment->title) $oembed['title']=$attachment->title;
+                    break;
+                default:
+                    $this->serverError(_("$path not supported for oembed requests"), 501);
+            }
+            switch($args['format']){
+                case 'xml':
+                    $this->init_document('xml');
+                    $this->elementStart('oembed');
+                    $this->element('version',null,$oembed['version']);
+                    $this->element('type',null,$oembed['type']);
+                    if($oembed['provider_name']) $this->element('provider_name',null,$oembed['provider_name']);
+                    if($oembed['provider_url']) $this->element('provider_url',null,$oembed['provider_url']);
+                    if($oembed['title']) $this->element('title',null,$oembed['title']);
+                    if($oembed['author_name']) $this->element('author_name',null,$oembed['author_name']);
+                    if($oembed['author_url']) $this->element('author_url',null,$oembed['author_url']);
+                    if($oembed['url']) $this->element('url',null,$oembed['url']);
+                    if($oembed['html']) $this->element('html',null,$oembed['html']);
+                    if($oembed['width']) $this->element('width',null,$oembed['width']);
+                    if($oembed['height']) $this->element('height',null,$oembed['height']);
+                    if($oembed['cache_age']) $this->element('cache_age',null,$oembed['cache_age']);
+                    if($oembed['thumbnail_url']) $this->element('thumbnail_url',null,$oembed['thumbnail_url']);
+                    if($oembed['thumbnail_width']) $this->element('thumbnail_width',null,$oembed['thumbnail_width']);
+                    if($oembed['thumbnail_height']) $this->element('thumbnail_height',null,$oembed['thumbnail_height']);
+
+                    $this->elementEnd('oembed');
+                    $this->end_document('xml');
+                    break;
+                case 'json': case '':
+                    $this->init_document('json');
+                    print(json_encode($oembed));
+                    $this->end_document('json');
+                    break;
+                default:
+                    $this->serverError(_('content type ' . $apidata['content-type'] . ' not supported'), 501);
+            }
+        }else{
+            $this->serverError(_('Only ' . common_root_url() . ' urls over plain http please'), 404);
+        }
+    }
+
+    function init_document($type)
+    {
+        switch ($type) {
+        case 'xml':
+            header('Content-Type: application/xml; charset=utf-8');
+            $this->startXML();
+            break;
+        case 'json':
+            header('Content-Type: application/json; charset=utf-8');
+
+            // Check for JSONP callback
+            $callback = $this->arg('callback');
+            if ($callback) {
+                print $callback . '(';
+            }
+            break;
+        default:
+            $this->serverError(_('Not a supported data format.'), 501);
+            break;
+        }
+    }
+
+    function end_document($type='xml')
+    {
+        switch ($type) {
+        case 'xml':
+            $this->endXML();
+            break;
+        case 'json':
+            // Check for JSONP callback
+            $callback = $this->arg('callback');
+            if ($callback) {
+                print ')';
+            }
+            break;
+        default:
+            $this->serverError(_('Not a supported data format.'), 501);
+            break;
+        }
+        return;
+    }
+
+}