array(), 'By keyword' => array( 'q' => array( 'name' => 'Keyword', 'type' => 'text', 'required' => true, 'title' => 'Insert keyword', 'exampleValue' => 'bird' ), 'media' => array( 'name' => 'Media', 'type' => 'list', 'values' => array( 'All (Photos & videos)' => 'all', 'Photos' => 'photos', 'Videos' => 'videos', ), 'defaultValue' => 'all', ), 'sort' => array( 'name' => 'Sort By', 'type' => 'list', 'values' => array( 'Relevance' => 'relevance', 'Date uploaded' => 'date-posted-desc', 'Date taken' => 'date-taken-desc', 'Interesting' => 'interestingness-desc', ), 'defaultValue' => 'relevance', ) ), 'By username' => array( 'u' => array( 'name' => 'Username', 'type' => 'text', 'required' => true, 'title' => 'Insert username (as shown in the address bar)', 'exampleValue' => 'flickr' ), 'media' => array( 'name' => 'Media', 'type' => 'list', 'values' => array( 'All (Photos & videos)' => 'all', 'Photos' => 'photos', 'Videos' => 'videos', ), 'defaultValue' => 'all', ), 'sort' => array( 'name' => 'Sort By', 'type' => 'list', 'values' => array( 'Relevance' => 'relevance', 'Date uploaded' => 'date-posted-desc', 'Date taken' => 'date-taken-desc', 'Interesting' => 'interestingness-desc', ), 'defaultValue' => 'date-posted-desc', ) ) ); private $username = ''; public function collectData() { switch($this->queriedContext) { case 'Explore': $filter = 'photo-lite-models'; $html = getSimpleHTMLDOM($this->getURI()); break; case 'By keyword': $filter = 'photo-lite-models'; $html = getSimpleHTMLDOM($this->getURI()); break; case 'By username': //$filter = 'photo-models'; $filter = 'photo-lite-models'; $html = getSimpleHTMLDOM($this->getURI()); $this->username = $this->getInput('u'); if ($html->find('span.search-pill-name', 0)) { $this->username = $html->find('span.search-pill-name', 0)->plaintext; } break; default: returnClientError('Invalid context: ' . $this->queriedContext); } $model_json = $this->extractJsonModel($html); $photo_models = $this->getPhotoModels($model_json, $filter); foreach($photo_models as $model) { $item = array(); /* Author name depends on scope. On a keyword search the * author is part of the picture data. On a username search * the author is part of the owner data. */ if(array_key_exists('username', $model)) { $item['author'] = urldecode($model['username']); } elseif (array_key_exists('owner', reset($model_json)[0])) { $item['author'] = urldecode(reset($model_json)[0]['owner']['username']); } $item['title'] = urldecode((array_key_exists('title', $model) ? $model['title'] : 'Untitled')); $item['uri'] = self::URI . 'photo.gne?id=' . $model['id']; $description = (array_key_exists('description', $model) ? $model['description'] : ''); $item['content'] = '

' . urldecode($description) . '

'; $item['enclosures'] = $this->extractEnclosures($model); $this->items[] = $item; } } public function getURI() { switch($this->queriedContext) { case 'Explore': return self::URI . 'explore'; break; case 'By keyword': return self::URI . 'search/?q=' . urlencode($this->getInput('q')) . '&sort=' . $this->getInput('sort') . '&media=' . $this->getInput('media'); break; case 'By username': return self::URI . 'search/?user_id=' . urlencode($this->getInput('u')) . '&sort=' . $this->getInput('sort') . '&media=' . $this->getInput('media'); break; default: return parent::getURI(); } } public function getName() { switch($this->queriedContext) { case 'Explore': return 'Explore - ' . self::NAME; break; case 'By keyword': return $this->getInput('q') . ' - keyword - ' . self::NAME; break; case 'By username': return $this->username . ' - ' . self::NAME; break; default: return parent::getName(); } return parent::getName(); } private function extractJsonModel($html) { // Find SCRIPT containing JSON data $model = $html->find('.modelExport', 0); $model_text = $model->innertext; // Find start and end of JSON data $start = strpos($model_text, 'modelExport:') + strlen('modelExport:'); $end = strpos($model_text, 'auth:') - strlen('auth:'); // Extract JSON data, remove trailing comma $model_text = trim(substr($model_text, $start, $end - $start)); $model_text = substr($model_text, 0, strlen($model_text) - 1); return json_decode($model_text, true); } private function getPhotoModels($json, $filter) { // The JSON model contains a "legend" array, where each element contains // the path to an element in the "main" object $photo_models = array(); foreach($json['legend'] as $legend) { $photo_model = $json['main']; foreach($legend as $element) { // Traverse tree $photo_model = $photo_model[$element]; } // We are only interested in content if($photo_model['_flickrModelRegistry'] === $filter) { $photo_models[] = $photo_model; } } return $photo_models; } private function extractEnclosures($model) { $areas = array(); foreach($model['sizes'] as $size) { $areas[$size['width'] * $size['height']] = $size['url']; } return array($this->fixURL(max($areas))); } private function extractContentImage($model) { $areas = array(); $limit = 320 * 240; foreach($model['sizes'] as $size) { $image_area = $size['width'] * $size['height']; if($image_area >= $limit) { $areas[$image_area] = $size['url']; } } return $this->fixURL(min($areas)); } private function fixURL($url) { // For some reason the image URLs don't include the protocol (https) if(strpos($url, '//') === 0) { $url = 'https:' . $url; } return $url; } }