forked from blallo/rss-bridge
352 lines
11 KiB
PHP
352 lines
11 KiB
PHP
<?php
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class VkBridge extends BridgeAbstract
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{
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const MAINTAINER = 'ahiles3005';
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const NAME = 'VK.com';
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const URI = 'https://vk.com/';
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const CACHE_TIMEOUT = 300; // 5min
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const DESCRIPTION = 'Working with open pages';
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const PARAMETERS = array(
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array(
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'u' => array(
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'name' => 'Group or user name',
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'required' => true
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)
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)
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);
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protected $pageName;
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public function getURI()
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{
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if (!is_null($this->getInput('u'))) {
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return static::URI . urlencode($this->getInput('u'));
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}
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return parent::getURI();
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}
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public function getName()
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{
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if ($this->pageName) {
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return $this->pageName;
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}
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return parent::getName();
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}
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public function collectData()
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{
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$text_html = $this->getContents()
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or returnServerError('No results for group or user name "' . $this->getInput('u') . '".');
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$text_html = iconv('windows-1251', 'utf-8', $text_html);
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// makes album link generating work correctly
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$text_html = str_replace('"class="page_album_link">', '" class="page_album_link">', $text_html);
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$html = str_get_html($text_html);
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$pageName = $html->find('.page_name', 0);
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if (is_object($pageName)) {
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$pageName = $pageName->plaintext;
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$this->pageName = htmlspecialchars_decode($pageName);
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}
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$pinned_post_item = null;
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$last_post_id = 0;
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foreach ($html->find('.post') as $post) {
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$is_pinned_post = false;
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if (strpos($post->getAttribute('class'), 'post_fixed') !== false) {
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$is_pinned_post = true;
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}
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if (is_object($post->find('a.wall_post_more', 0))) {
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//delete link "show full" in content
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$post->find('a.wall_post_more', 0)->outertext = '';
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}
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$content_suffix = '';
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// looking for external links
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$external_link_selectors = array(
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'a.page_media_link_title',
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'div.page_media_link_title > a',
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'div.media_desc > a.lnk',
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);
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foreach($external_link_selectors as $sel) {
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if (is_object($post->find($sel, 0))) {
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$a = $post->find($sel, 0);
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$innertext = $a->innertext;
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$parsed_url = parse_url($a->getAttribute('href'));
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if (strpos($parsed_url['path'], '/away.php') !== 0) continue;
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parse_str($parsed_url['query'], $parsed_query);
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$content_suffix .= "<br>External link: <a href='" . $parsed_query['to'] . "'>$innertext</a>";
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}
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}
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// remove external link from content
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$external_link_selectors_to_remove = array(
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'div.page_media_thumbed_link',
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'div.page_media_link_desc_wrap',
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'div.media_desc > a.lnk',
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);
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foreach($external_link_selectors_to_remove as $sel) {
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if (is_object($post->find($sel, 0))) {
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$post->find($sel, 0)->outertext = '';
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}
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}
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// looking for article
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$article = $post->find('a.article_snippet', 0);
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if (is_object($article)) {
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if (strpos($article->getAttribute('class'), 'article_snippet_mini') !== false) {
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$article_title_selector = 'div.article_snippet_mini_title';
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$article_author_selector = 'div.article_snippet_mini_info > .mem_link,
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div.article_snippet_mini_info > .group_link';
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$article_thumb_selector = 'div.article_snippet_mini_thumb';
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} else {
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$article_title_selector = 'div.article_snippet__title';
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$article_author_selector = 'div.article_snippet__author';
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$article_thumb_selector = 'div.article_snippet__image';
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}
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$article_title = $article->find($article_title_selector, 0)->innertext;
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$article_author = $article->find($article_author_selector, 0)->innertext;
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$article_link = self::URI . ltrim($article->getAttribute('href'), '/');
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$article_img_element_style = $article->find($article_thumb_selector, 0)->getAttribute('style');
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preg_match('/background-image: url\((.*)\)/', $article_img_element_style, $matches);
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if (count($matches) > 0) {
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$content_suffix .= "<br><img src='" . $matches[1] . "'>";
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}
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$content_suffix .= "<br>Article: <a href='$article_link'>$article_title ($article_author)</a>";
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$article->outertext = '';
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}
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// get video on post
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$video = $post->find('div.post_video_desc', 0);
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if (is_object($video)) {
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$video_title = $video->find('div.post_video_title', 0)->plaintext;
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$video_link = self::URI . ltrim( $video->find('a.lnk', 0)->getAttribute('href'), '/' );
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$content_suffix .= "<br>Video: <a href='$video_link'>$video_title</a>";
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$video->outertext = '';
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}
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// get all other videos
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foreach($post->find('a.page_post_thumb_video') as $a) {
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$video_title = $a->getAttribute('aria-label');
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$temp = explode(' ', $video_title, 2);
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if (count($temp) > 1) $video_title = $temp[1];
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$video_link = self::URI . ltrim( $a->getAttribute('href'), '/' );
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$content_suffix .= "<br>Video: <a href='$video_link'>$video_title</a>";
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$a->outertext = '';
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}
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// get all photos
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foreach($post->find('div.wall_text > a.page_post_thumb_wrap') as $a) {
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$result = $this->getPhoto($a);
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if ($result == null) continue;
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$a->outertext = '';
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$content_suffix .= "<br>$result";
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}
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// get albums
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foreach($post->find('.page_album_wrap') as $el) {
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$a = $el->find('.page_album_link', 0);
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$album_title = $a->find('.page_album_title_text', 0)->getAttribute('title');
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$album_link = self::URI . ltrim($a->getAttribute('href'), '/');
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$el->outertext = '';
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$content_suffix .= "<br>Album: <a href='$album_link'>$album_title</a>";
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}
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// get photo documents
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foreach($post->find('a.page_doc_photo_href') as $a) {
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$doc_link = self::URI . ltrim($a->getAttribute('href'), '/');
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$doc_gif_label_element = $a->find('.page_gif_label', 0);
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$doc_title_element = $a->find('.doc_label', 0);
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if (is_object($doc_gif_label_element)) {
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$gif_preview_img = backgroundToImg($a->find('.page_doc_photo', 0));
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$content_suffix .= "<br>Gif: <a href='$doc_link'>$gif_preview_img</a>";
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} else if (is_object($doc_title_element)) {
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$doc_title = $doc_title_element->innertext;
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$content_suffix .= "<br>Doc: <a href='$doc_link'>$doc_title</a>";
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} else {
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continue;
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}
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$a->outertext = '';
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}
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// get other documents
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foreach($post->find('div.page_doc_row') as $div) {
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$doc_title_element = $div->find('a.page_doc_title', 0);
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if (is_object($doc_title_element)) {
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$doc_title = $doc_title_element->innertext;
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$doc_link = self::URI . ltrim($doc_title_element->getAttribute('href'), '/');
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$content_suffix .= "<br>Doc: <a href='$doc_link'>$doc_title</a>";
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} else {
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continue;
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}
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$div->outertext = '';
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}
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// get polls
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foreach($post->find('div.page_media_poll_wrap') as $div) {
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$poll_title = $div->find('.page_media_poll_title', 0)->innertext;
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$content_suffix .= "<br>Poll: $poll_title";
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foreach($div->find('div.page_poll_text') as $poll_stat_title) {
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$content_suffix .= '<br>- ' . $poll_stat_title->innertext;
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}
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$div->outertext = '';
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}
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// get sign
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$post_author = $pageName;
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foreach($post->find('a.wall_signed_by') as $a) {
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$post_author = $a->innertext;
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$a->outertext = '';
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}
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if (is_object($post->find('div.copy_quote', 0))) {
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$copy_quote = $post->find('div.copy_quote', 0);
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if ($copy_post_header = $copy_quote->find('div.copy_post_header', 0)) {
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$copy_post_header->outertext = '';
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}
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$copy_quote_content = $copy_quote->innertext;
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$copy_quote->outertext = "<br>Reposted: <br>$copy_quote_content";
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}
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$item = array();
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$item['content'] = strip_tags(backgroundToImg($post->find('div.wall_text', 0)->innertext), '<br><img>');
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$item['content'] .= $content_suffix;
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$item['categories'] = array();
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// get post hashtags
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foreach($post->find('a') as $a) {
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$href = $a->getAttribute('href');
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$prefix = '/feed?section=search&q=%23';
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$innertext = $a->innertext;
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if ($href && substr($href, 0, strlen($prefix)) === $prefix) {
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$item['categories'][] = urldecode(substr($href, strlen($prefix)));
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} else if (substr($innertext, 0, 1) == '#') {
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$item['categories'][] = $innertext;
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}
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}
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// get post link
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$post_link = $post->find('a.post_link', 0)->getAttribute('href');
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preg_match('/wall-?\d+_(\d+)/', $post_link, $preg_match_result);
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$item['post_id'] = intval($preg_match_result[1]);
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if (substr(self::URI, -1) == '/') {
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$post_link = self::URI . ltrim($post_link, '/');
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} else {
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$post_link = self::URI . $post_link;
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}
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$item['uri'] = $post_link;
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$item['timestamp'] = $this->getTime($post);
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$item['title'] = $this->getTitle($item['content']);
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$item['author'] = $post_author;
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if ($is_pinned_post) {
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// do not append it now
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$pinned_post_item = $item;
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} else {
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$last_post_id = $item['post_id'];
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$this->items[] = $item;
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}
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}
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if (is_null($pinned_post_item)) {
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return;
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} else if (count($this->items) == 0) {
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$this->items[] = $pinned_post_item;
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} else if ($last_post_id < $pinned_post_item['post_id']) {
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$this->items[] = $pinned_post_item;
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usort($this->items, function ($item1, $item2) {
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return $item2['post_id'] - $item1['post_id'];
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});
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}
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}
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private function getPhoto($a) {
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$onclick = $a->getAttribute('onclick');
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preg_match('/return showPhoto\(.+?({.*})/', $onclick, $preg_match_result);
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if (count($preg_match_result) == 0) return;
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$arg = htmlspecialchars_decode( str_replace('queue:1', '"queue":1', $preg_match_result[1]) );
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$data = json_decode($arg, true);
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if ($data == null) return;
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$thumb = $data['temp']['base'] . $data['temp']['x_'][0] . '.jpg';
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$original = '';
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foreach(array('y_', 'z_', 'w_') as $key) {
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if (!isset($data['temp'][$key])) continue;
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if (!isset($data['temp'][$key][0])) continue;
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if (substr($data['temp'][$key][0], 0, 4) == 'http') {
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$base = '';
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} else {
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$base = $data['temp']['base'];
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}
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$original = $base . $data['temp'][$key][0] . '.jpg';
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}
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if ($original) {
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return "<a href='$original'><img src='$thumb'></a>";
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} else {
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return "<img src='$thumb'>";
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}
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}
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private function getTitle($content)
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{
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preg_match('/^["\w\ \p{Cyrillic}\(\)\?#«»-]+/mu', htmlspecialchars_decode($content), $result);
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if (count($result) == 0) return 'untitled';
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return $result[0];
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}
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private function getTime($post)
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{
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if ($time = $post->find('span.rel_date', 0)->getAttribute('time')) {
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return $time;
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} else {
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$strdate = $post->find('span.rel_date', 0)->plaintext;
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$date = date_parse($strdate);
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if (!$date['year']) {
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if (strstr($strdate, 'today') !== false) {
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$strdate = date('d-m-Y') . ' ' . $strdate;
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} elseif (strstr($strdate, 'yesterday ') !== false) {
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$time = time() - 60 * 60 * 24;
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$strdate = date('d-m-Y', $time) . ' ' . $strdate;
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} else {
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$strdate = $strdate . ' ' . date('Y');
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}
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$date = date_parse($strdate);
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}
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return strtotime($date['day'] . '-' . $date['month'] . '-' . $date['year'] . ' ' .
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$date['hour'] . ':' . $date['minute']);
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}
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}
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public function getContents()
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{
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ini_set('user-agent', 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:53.0) Gecko/20100101 Firefox/53.0');
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$header = array('Accept-language: en', 'Cookie: remixlang=3');
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return getContents($this->getURI(), $header);
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}
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}
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