X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;ds=sidebyside;f=inc%2Fpoche%2FpochePictures.php;fp=inc%2Fpoche%2FpochePictures.php;h=26bf07063af0b7006fc468863fde1712a2197745;hb=3602405ec0dbc576fce09ff9e865ba2404622080;hp=7c319a857659862c7484afa365fad176a143bfbd;hpb=6400371ff93782d25cdbd50aa224c70145b3890a;p=github%2Fwallabag%2Fwallabag.git diff --git a/inc/poche/pochePictures.php b/inc/poche/pochePictures.php index 7c319a85..26bf0706 100644 --- a/inc/poche/pochePictures.php +++ b/inc/poche/pochePictures.php @@ -5,154 +5,169 @@ * @category wallabag * @author Nicolas Lœuillet * @copyright 2013 - * @license http://www.wtfpl.net/ see COPYING file + * @license http://opensource.org/licenses/MIT see COPYING file */ -/** - * On modifie les URLS des images dans le corps de l'article - */ -function filtre_picture($content, $url, $id) + +final class Picture { - $matches = array(); - $processing_pictures = array(); // list of processing image to avoid processing the same pictures twice - preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER); - foreach($matches as $i => $link) { - $link[1] = trim($link[1]); - if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1])) { - $absolute_path = get_absolute_link($link[2],$url); - $filename = basename(parse_url($absolute_path, PHP_URL_PATH)); - $directory = create_assets_directory($id); - $fullpath = $directory . '/' . $filename; - - if (in_array($absolute_path, $processing_pictures) === true) { - // replace picture's URL only if processing is OK : already processing -> go to next picture - continue; - } - - if (download_pictures($absolute_path, $fullpath) === true) { - $content = str_replace($matches[$i][2], $fullpath, $content); + private function __construct() + { + + } + + /** + * Changing pictures URL in article content + */ + public static function filterPicture($content, $url, $id) + { + $matches = array(); + $processing_pictures = array(); // list of processing image to avoid processing the same pictures twice + preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER); + foreach($matches as $i => $link) { + $link[1] = trim($link[1]); + if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1])) { + $absolute_path = self::_getAbsoluteLink($link[2], $url); + $filename = basename(parse_url($absolute_path, PHP_URL_PATH)); + $directory = self::_createAssetsDirectory($id); + $fullpath = $directory . '/' . $filename; + + if (in_array($absolute_path, $processing_pictures) === true) { + // replace picture's URL only if processing is OK : already processing -> go to next picture + continue; + } + + if (self::_downloadPictures($absolute_path, $fullpath) === true) { + $content = str_replace($matches[$i][2], $fullpath, $content); + } + + $processing_pictures[] = $absolute_path; } - - $processing_pictures[] = $absolute_path; } + return $content; } - return $content; -} + /** + * Get absolute URL + */ + private static function _getAbsoluteLink($relativeLink, $url) + { + /* return if already absolute URL */ + if (parse_url($relativeLink, PHP_URL_SCHEME) != '') return $relativeLink; -/** - * Retourne le lien absolu - */ -function get_absolute_link($relative_link, $url) { - /* return if already absolute URL */ - if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link; + /* queries and anchors */ + if ($relativeLink[0]=='#' || $relativeLink[0]=='?') return $url . $relativeLink; - /* queries and anchors */ - if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link; + /* parse base URL and convert to local variables: + $scheme, $host, $path */ + extract(parse_url($url)); - /* parse base URL and convert to local variables: - $scheme, $host, $path */ - extract(parse_url($url)); + /* remove non-directory element from path */ + $path = preg_replace('#/[^/]*$#', '', $path); - /* remove non-directory element from path */ - $path = preg_replace('#/[^/]*$#', '', $path); + /* destroy path if relative url points to root */ + if ($relativeLink[0] == '/') $path = ''; - /* destroy path if relative url points to root */ - if ($relative_link[0] == '/') $path = ''; + /* dirty absolute URL */ + $abs = $host . $path . '/' . $relativeLink; - /* dirty absolute URL */ - $abs = $host . $path . '/' . $relative_link; + /* replace '//' or '/./' or '/foo/../' with '/' */ + $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); + for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} - /* replace '//' or '/./' or '/foo/../' with '/' */ - $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#'); - for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {} + /* absolute URL is ready! */ + return $scheme.'://'.$abs; + } - /* absolute URL is ready! */ - return $scheme.'://'.$abs; -} + /** + * Downloading pictures + * + * @return bool true if the download and processing is OK, false else + */ + private static function _downloadPictures($absolute_path, $fullpath) + { + $rawdata = Tools::getFile($absolute_path); + $fullpath = urldecode($fullpath); + + if(file_exists($fullpath)) { + unlink($fullpath); + } -/** - * Téléchargement des images - * - * @return bool true if the download and processing is OK, false else - */ -function download_pictures($absolute_path, $fullpath) -{ - $rawdata = Tools::getFile($absolute_path); - $fullpath = urldecode($fullpath); + // check extension + $file_ext = strrchr($fullpath, '.'); + $whitelist = array(".jpg",".jpeg",".gif",".png"); + if (!(in_array($file_ext, $whitelist))) { + Tools::logm('processed image with not allowed extension. Skipping ' . $fullpath); + return false; + } - if(file_exists($fullpath)) { - unlink($fullpath); - } - - // check extension - $file_ext = strrchr($fullpath, '.'); - $whitelist = array(".jpg",".jpeg",".gif",".png"); - if (!(in_array($file_ext, $whitelist))) { - Tools::logm('processed image with not allowed extension. Skipping ' . $fullpath); - return false; - } - - // check headers - $imageinfo = getimagesize($absolute_path); - if ($imageinfo['mime'] != 'image/gif' && $imageinfo['mime'] != 'image/jpeg'&& $imageinfo['mime'] != 'image/jpg'&& $imageinfo['mime'] != 'image/png') { - Tools::logm('processed image with bad header. Skipping ' . $fullpath); - return false; - } - - // regenerate image - $im = imagecreatefromstring($rawdata); - if ($im === false) { - Tools::logm('error while regenerating image ' . $fullpath); - return false; - } - - switch ($imageinfo['mime']) { - case 'image/gif': - $result = imagegif($im, $fullpath); - break; - case 'image/jpeg': - case 'image/jpg': - $result = imagejpeg($im, $fullpath, REGENERATE_PICTURES_QUALITY); - break; - case 'image/png': - $result = imagepng($im, $fullpath, ceil(REGENERATE_PICTURES_QUALITY / 100 * 9)); - break; - } - imagedestroy($im); - - return $result; -} + // check headers + $imageinfo = getimagesize($absolute_path); + if ($imageinfo['mime'] != 'image/gif' && $imageinfo['mime'] != 'image/jpeg'&& $imageinfo['mime'] != 'image/jpg'&& $imageinfo['mime'] != 'image/png') { + Tools::logm('processed image with bad header. Skipping ' . $fullpath); + return false; + } -/** - * Crée un répertoire de médias pour l'article - */ -function create_assets_directory($id) -{ - $assets_path = ABS_PATH; - if(!is_dir($assets_path)) { - mkdir($assets_path, 0715); - } + // regenerate image + $im = imagecreatefromstring($rawdata); + if ($im === false) { + Tools::logm('error while regenerating image ' . $fullpath); + return false; + } + + switch ($imageinfo['mime']) { + case 'image/gif': + $result = imagegif($im, $fullpath); + break; + case 'image/jpeg': + case 'image/jpg': + $result = imagejpeg($im, $fullpath, REGENERATE_PICTURES_QUALITY); + break; + case 'image/png': + $result = imagepng($im, $fullpath, ceil(REGENERATE_PICTURES_QUALITY / 100 * 9)); + break; + } + imagedestroy($im); - $article_directory = $assets_path . $id; - if(!is_dir($article_directory)) { - mkdir($article_directory, 0715); + return $result; } - return $article_directory; -} + /** + * Create a directory for an article + * + * @param $id ID of the article + * @return string + */ + private static function _createAssetsDirectory($id) + { + $assets_path = ABS_PATH; + if (!is_dir($assets_path)) { + mkdir($assets_path, 0715); + } -/** - * Suppression du répertoire d'images - */ -function remove_directory($directory) -{ - if(is_dir($directory)) { - $files = array_diff(scandir($directory), array('.','..')); - foreach ($files as $file) { - (is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file"); + $article_directory = $assets_path . $id; + if (!is_dir($article_directory)) { + mkdir($article_directory, 0715); + } + + return $article_directory; + } + + /** + * Remove the directory + * + * @param $directory + * @return bool + */ + public static function removeDirectory($directory) + { + if (is_dir($directory)) { + $files = array_diff(scandir($directory), array('.','..')); + foreach ($files as $file) { + (is_dir("$directory/$file")) ? self::removeDirectory("$directory/$file") : unlink("$directory/$file"); + } + return rmdir($directory); } - return rmdir($directory); } -} +} \ No newline at end of file