mirror of
https://github.com/wallabag/wallabag.git
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117 lines
2.9 KiB
PHP
117 lines
2.9 KiB
PHP
<?php
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/**
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* Description of OnlineArticle
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*
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* @author Sander
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*/
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class OnlineArticle extends ContentProvider {
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private $text;
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private $images;
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private $metadata = array();
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private $imgCounter = 0;
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public function __construct($url) {
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if (!preg_match('!^https?://!i', $url)) $url = 'http://'.$url;
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$data = Http::Request($url);
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//$enc = mb_detect_encoding($str, "UTF-8,ISO-8859-1,ASCII");
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$html = mb_convert_encoding($data, "UTF-8", "UTF-8,ISO-8859-1,ASCII");
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//$html = utf8_encode($html);
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$r = new Readability($html, $url);
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$r->init();
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if(!isset($this->metadata["title"])){
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$this->metadata["title"] = CharacterEntities::convert(strip_tags($r->getTitle()->innerHTML));
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}
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if(!isset($this->metadata["author"])){
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$parts = parse_url($url);
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$this->metadata["author"] = $parts["host"];
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}
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$article = $r->getContent()->innerHTML;
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if(substr($article, 0, 5) == "<body"){
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$article = "<html><head><meta http-equiv='Content-Type' content='text/html; charset=UTF-8'/></head>".$article."</html>";
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}else{
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$article = "<html><head><meta http-equiv='Content-Type' content='text/html; charset=UTF-8'/></head><body>".$article."</body></html>";
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}
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$doc = new DOMDocument();
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@$doc->loadHTML($article) or die($article);
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$doc->normalizeDocument();
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$this->images = $this->handleImages($doc, $url);
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$this->text = $doc->saveHTML();
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}
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/**
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* Get the text data to be integrated in the MOBI file
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* @return string
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*/
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public function getTextData(){
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return $this->text;
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}
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/**
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* Get the images (an array containing the jpeg data). Array entry 0 will
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* correspond to image record 0.
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* @return array
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*/
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public function getImages(){
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return $this->images;
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}
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/**
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* Get the metadata in the form of a hashtable (for example, title or author).
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* @return array
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*/
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public function getMetaData(){
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return $this->metadata;
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}
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/**
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*
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* @param DOMElement $dom
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* @return array
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*/
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private function handleImages($dom, $url){
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$images = array();
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$parts = parse_url($url);
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$savedImages = array();
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$imgElements = $dom->getElementsByTagName('img');
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foreach($imgElements as $img) {
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$src = $img->getAttribute("src");
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$is_root = false;
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if(substr($src, 0, 1) == "/"){
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$is_root = true;
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}
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$parsed = parse_url($src);
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if(!isset($parsed["host"])){
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if($is_root){
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$src = http_build_url($url, $parsed, HTTP_URL_REPLACE);
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}else{
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$src = http_build_url($url, $parsed, HTTP_URL_JOIN_PATH);
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}
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}
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$img->setAttribute("src", "");
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if(isset($savedImages[$src])){
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$img->setAttribute("recindex", $savedImages[$src]);
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}else{
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$image = ImageHandler::DownloadImage($src);
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if($image !== false){
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$images[$this->imgCounter] = new FileRecord(new Record($image));
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$img->setAttribute("recindex", $this->imgCounter);
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$savedImages[$src] = $this->imgCounter;
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$this->imgCounter++;
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}
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}
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}
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return $images;
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}
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}
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?>
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