* @category wallabag
* @author Nicolas Lœuillet <nicolas@loeuillet.org>
* @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
projects / github / wallabag / wallabag.git / blobdiff