namespace Wallabag\CoreBundle\Helper;
use Graby\Graby;
+use Psr\Log\LoggerInterface as Logger;
use Wallabag\CoreBundle\Entity\Entry;
+use Wallabag\CoreBundle\Entity\Tag;
+use Wallabag\CoreBundle\Tools\Utils;
+use Wallabag\CoreBundle\Repository\TagRepository;
/**
* This kind of proxy class take care of getting the content from an url
- * and update the entry with what it found
+ * and update the entry with what it found.
*/
class ContentProxy
{
protected $graby;
+ protected $tagger;
+ protected $logger;
+ protected $tagRepository;
- public function __construct(Graby $graby)
+ public function __construct(Graby $graby, RuleBasedTagger $tagger, TagRepository $tagRepository, Logger $logger)
{
$this->graby = $graby;
+ $this->tagger = $tagger;
+ $this->logger = $logger;
+ $this->tagRepository = $tagRepository;
}
/**
* Fetch content using graby and hydrate given entry with results information.
- * In case we couldn't find content, we'll try to use Open Graph data
+ * In case we couldn't find content, we'll try to use Open Graph data.
*
- * @param Entry $entry Entry to update
- * @param string $url Url to grab content for
+ * We can also force the content, in case of an import from the v1 for example, so the function won't
+ * fetch the content from the website but rather use information given with the $content parameter.
+ *
+ * @param Entry $entry Entry to update
+ * @param string $url Url to grab content for
+ * @param array $content An array with AT LEAST keys title, html, url, language & content_type to skip the fetchContent from the url
*
* @return Entry
*/
- public function updateEntry(Entry $entry, $url)
+ public function updateEntry(Entry $entry, $url, array $content = [])
{
- $content = $this->graby->fetchContent($url);
+ // do we have to fetch the content or the provided one is ok?
+ if (empty($content) || false === $this->validateContent($content)) {
+ $content = $this->graby->fetchContent($url);
+ }
$title = $content['title'];
if (!$title && isset($content['open_graph']['og_title'])) {
$entry->setUrl($content['url'] ?: $url);
$entry->setTitle($title);
$entry->setContent($html);
+ $entry->setLanguage($content['language']);
$entry->setMimetype($content['content_type']);
+ $entry->setReadingTime(Utils::getReadingTime($html));
+
+ $domainName = parse_url($entry->getUrl(), PHP_URL_HOST);
+ if (false !== $domainName) {
+ $entry->setDomainName($domainName);
+ }
if (isset($content['open_graph']['og_image'])) {
$entry->setPreviewPicture($content['open_graph']['og_image']);
}
+ try {
+ $this->tagger->tag($entry);
+ } catch (\Exception $e) {
+ $this->logger->error('Error while trying to automatically tag an entry.', [
+ 'entry_url' => $url,
+ 'error_msg' => $e->getMessage(),
+ ]);
+ }
+
return $entry;
}
+
+ /**
+ * Assign some tags to an entry.
+ *
+ * @param Entry $entry
+ * @param array|string $tags An array of tag or a string coma separated of tag
+ * @param array $entitiesReady Entities from the EntityManager which are persisted but not yet flushed
+ * It is mostly to fix duplicate tag on import @see http://stackoverflow.com/a/7879164/569101
+ */
+ public function assignTagsToEntry(Entry $entry, $tags, array $entitiesReady = [])
+ {
+ if (!is_array($tags)) {
+ $tags = explode(',', $tags);
+ }
+
+ // keeps only Tag entity from the "not yet flushed entities"
+ $tagsNotYetFlushed = [];
+ foreach ($entitiesReady as $entity) {
+ if ($entity instanceof Tag) {
+ $tagsNotYetFlushed[$entity->getLabel()] = $entity;
+ }
+ }
+
+ foreach ($tags as $label) {
+ $label = trim($label);
+
+ // avoid empty tag
+ if (0 === strlen($label)) {
+ continue;
+ }
+
+ if (isset($tagsNotYetFlushed[$label])) {
+ $tagEntity = $tagsNotYetFlushed[$label];
+ } else {
+ $tagEntity = $this->tagRepository->findOneByLabel($label);
+
+ if (is_null($tagEntity)) {
+ $tagEntity = new Tag();
+ $tagEntity->setLabel($label);
+ }
+ }
+
+ // only add the tag on the entry if the relation doesn't exist
+ if (false === $entry->getTags()->contains($tagEntity)) {
+ $entry->addTag($tagEntity);
+ }
+ }
+ }
+
+ /**
+ * Validate that the given content as enough value to be used
+ * instead of fetch the content from the url.
+ *
+ * @param array $content
+ *
+ * @return bool true if valid otherwise false
+ */
+ private function validateContent(array $content)
+ {
+ return isset($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);
+ }
+ }
}
projects / github / wallabag / wallabag.git / blobdiff