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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * ownCloud - News  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is licensed under the Affero General Public License version 3 or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * later. See the COPYING file.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Bernhard Posselt <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Bernhard Posselt 2012, 2014  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OCA\News\Fetcher;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class YoutubeFetcher implements IFeedFetcher { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $feedFetcher;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function __construct(FeedFetcher $feedFetcher){ | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->feedFetcher = $feedFetcher;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function buildUrl($url) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $baseRegex = '%(?:https?://|//)?(?:www.)?youtube.com';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $playRegex = $baseRegex . '.*?list=([^&]*)%';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (preg_match($playRegex, $url, $matches)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $id = $matches[1];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return 'http://gdata.youtube.com/feeds/api/playlists/' . $id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * This fetcher handles all the remaining urls therefore always returns true  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function canHandle($url){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->buildUrl($url) !== $url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Fetch a feed from remote  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $url remote url of the feed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param boolean $getFavicon if the favicon should also be fetched,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * defaults to true  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $lastModified a last modified value from an http header  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * defaults to false. If lastModified matches the http header from the feed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * no results are fetched  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $etag an etag from an http header.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * If lastModified matches the http header from the feed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * no results are fetched  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param bool fullTextEnabled if true tells the fetcher to enhance the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * articles by fetching custom enhanced content  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $basicAuthUser if given, basic auth is set for this feed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $basicAuthPassword if given, basic auth is set for this  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * feed. Ignored if user is null or an empty string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws FetcherException if it fails  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array an array containing the new feed and its items, first  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * element being the Feed and second element being an array of Items  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function fetch($url, $getFavicon=true, $lastModified=null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                          $etag=null, $fullTextEnabled=false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                          $basicAuthUser=null, $basicAuthPassword=null) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $transformedUrl = $this->buildUrl($url);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $result = $this->feedFetcher->fetch(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $transformedUrl, $getFavicon, $lastModified, $etag,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $fullTextEnabled, $basicAuthUser, $basicAuthPassword  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // reset feed url so we know the correct added url for the feed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $result[0]->setUrl($url);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $result;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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