$entry->setUrl($content['url'] ?: $url);
$entry->setTitle($title);
- $entry->setContent($html);
+
$entry->setLanguage($content['language']);
$entry->setMimetype($content['content_type']);
$entry->setReadingTime(Utils::getReadingTime($html));
$entry->setDomainName($domainName);
}
+ if (true) {
+ $this->logger->log('debug','Starting to download images');
+ $downloadImages = new DownloadImages($html, $url, $this->logger);
+ $html = $downloadImages->process();
+ }
+
+ $entry->setContent($html);
+
if (isset($content['open_graph']['og_image'])) {
$entry->setPreviewPicture($content['open_graph']['og_image']);
}
{
return isset($content['title']) && isset($content['html']) && isset($content['url']) && isset($content['language']) && isset($content['content_type']);
}
-
- /**
- * Changing pictures URL in article content.
- */
- public static function filterPicture($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[$i][2], Tools::getPocheUrl().$fullpath, $content);
- }
-
- $processing_pictures[] = $absolute_path;
- }
- }
-
- return $content;
- }
-
- /**
- * Get absolute URL.
- */
- private static function _getAbsoluteLink($relativeLink, $url)
- {
- /* return if already absolute URL */
- if (parse_url($relativeLink, PHP_URL_SCHEME) != '') {
- return $relativeLink;
- }
-
- /* queries and anchors */
- if ($relativeLink[0] == '#' || $relativeLink[0] == '?') {
- return $url.$relativeLink;
- }
-
- /* parse base URL and convert to local variables:
- $scheme, $host, $path */
- extract(parse_url($url));
-
- /* remove non-directory element from path */
- $path = preg_replace('#/[^/]*$#', '', $path);
-
- /* destroy path if relative url points to root */
- if ($relativeLink[0] == '/') {
- $path = '';
- }
-
- /* dirty absolute URL */
- $abs = $host.$path.'/'.$relativeLink;
-
- /* 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;
- }
-
- /**
- * 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);
- }
-
- // 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;
- }
-
- /**
- * 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);
- }
-
- $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);
- }
- }
}
--- /dev/null
+<?php
+
+namespace Wallabag\CoreBundle\Helper;
+
+use Psr\Log\LoggerInterface as Logger;
+use Symfony\Component\DomCrawler\Crawler;
+
+define('REGENERATE_PICTURES_QUALITY', 75);
+
+class DownloadImages {
+ private $folder;
+ private $url;
+ private $html;
+ private $fileName;
+ private $logger;
+
+ public function __construct($html, $url, Logger $logger) {
+ $this->html = $html;
+ $this->url = $url;
+ $this->setFolder();
+ $this->logger = $logger;
+ }
+
+ public function setFolder($folder = "assets/images") {
+ // if folder doesn't exist, attempt to create one and store the folder name in property $folder
+ if(!file_exists($folder)) {
+ mkdir($folder);
+ }
+ $this->folder = $folder;
+ }
+
+ public function process() {
+ //instantiate the symfony DomCrawler Component
+ $crawler = new Crawler($this->html);
+ // create an array of all scrapped image links
+ $this->logger->log('debug', 'Finding images inside document');
+ $result = $crawler
+ ->filterXpath('//img')
+ ->extract(array('src'));
+
+ // download and save the image to the folder
+ foreach ($result as $image) {
+ $file = file_get_contents($image);
+
+ // Checks
+ $absolute_path = self::getAbsoluteLink($image, $this->url);
+ $filename = basename(parse_url($absolute_path, PHP_URL_PATH));
+ $fullpath = $this->folder."/".$filename;
+ self::checks($file, $fullpath, $absolute_path);
+ $this->html = str_replace($image, $fullpath, $this->html);
+ }
+
+ return $this->html;
+ }
+
+ private function checks($rawdata, $fullpath, $absolute_path) {
+ $fullpath = urldecode($fullpath);
+
+ if (file_exists($fullpath)) {
+ unlink($fullpath);
+ }
+
+ // check extension
+ $this->logger->log('debug','Checking extension');
+
+ $file_ext = strrchr($fullpath, '.');
+ $whitelist = array('.jpg', '.jpeg', '.gif', '.png');
+ if (!(in_array($file_ext, $whitelist))) {
+ $this->logger->log('debug','processed image with not allowed extension. Skipping '.$fullpath);
+
+ return false;
+ }
+
+ // check headers
+ $this->logger->log('debug','Checking headers');
+ $imageinfo = getimagesize($absolute_path);
+ if ($imageinfo['mime'] != 'image/gif' && $imageinfo['mime'] != 'image/jpeg' && $imageinfo['mime'] != 'image/jpg' && $imageinfo['mime'] != 'image/png') {
+ $this->logger->log('debug','processed image with bad header. Skipping '.$fullpath);
+
+ return false;
+ }
+
+ // regenerate image
+ $this->logger->log('debug','regenerating image');
+ $im = imagecreatefromstring($rawdata);
+ if ($im === false) {
+ $this->logger->log('error','error while regenerating image '.$fullpath);
+
+ return false;
+ }
+
+ switch ($imageinfo['mime']) {
+ case 'image/gif':
+ $result = imagegif($im, $fullpath);
+ $this->logger->log('debug','Re-creating gif');
+ break;
+ case 'image/jpeg':
+ case 'image/jpg':
+ $result = imagejpeg($im, $fullpath, REGENERATE_PICTURES_QUALITY);
+ $this->logger->log('debug','Re-creating jpg');
+ break;
+ case 'image/png':
+ $this->logger->log('debug','Re-creating png');
+ $result = imagepng($im, $fullpath, ceil(REGENERATE_PICTURES_QUALITY / 100 * 9));
+ break;
+ }
+ imagedestroy($im);
+
+ return $result;
+ }
+
+ private static function getAbsoluteLink($relativeLink, $url)
+ {
+ /* return if already absolute URL */
+ if (parse_url($relativeLink, PHP_URL_SCHEME) != '') {
+ return $relativeLink;
+ }
+
+ /* queries and anchors */
+ if ($relativeLink[0] == '#' || $relativeLink[0] == '?') {
+ return $url.$relativeLink;
+ }
+
+ /* parse base URL and convert to local variables:
+ $scheme, $host, $path */
+ extract(parse_url($url));
+
+ /* remove non-directory element from path */
+ $path = preg_replace('#/[^/]*$#', '', $path);
+
+ /* destroy path if relative url points to root */
+ if ($relativeLink[0] == '/') {
+ $path = '';
+ }
+
+ /* dirty absolute URL */
+ $abs = $host.$path.'/'.$relativeLink;
+
+ /* 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;
+ }
+}
projects / github / wallabag / wallabag.git / commitdiff
