156 lines
3.8 KiB
PHP
156 lines
3.8 KiB
PHP
<?php
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class Af_Readability extends Plugin {
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private $host;
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function about() {
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return array(1.0,
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"Try to inline article content using Readability",
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"fox");
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}
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function save() {
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//
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}
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function init($host)
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{
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$this->host = $host;
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$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
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$host->add_hook($host::HOOK_PREFS_TAB, $this);
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$host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this);
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$host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this);
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}
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function hook_prefs_tab($args) {
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if ($args != "prefFeeds") return;
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print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_readability settings')."\">";
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print_notice("Enable the plugin for specific feeds in the feed editor.");
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$enabled_feeds = $this->host->get($this, "enabled_feeds");
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if (!array($enabled_feeds)) $enabled_feeds = array();
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$enabled_feeds = $this->filter_unknown_feeds($enabled_feeds);
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$this->host->set($this, "enabled_feeds", $enabled_feeds);
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if (count($enabled_feeds) > 0) {
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print "<h3>" . __("Currently enabled for (click to edit):") . "</h3>";
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print "<ul class=\"browseFeedList\" style=\"border-width : 1px\">";
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foreach ($enabled_feeds as $f) {
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print "<li>" .
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"<img src='images/pub_set.png'
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style='vertical-align : middle'> <a href='#'
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onclick='editFeed($f)'>".
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getFeedTitle($f) . "</a></li>";
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}
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print "</ul>";
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}
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print "</div>";
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}
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function hook_prefs_edit_feed($feed_id) {
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print "<div class=\"dlgSec\">".__("Readability")."</div>";
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print "<div class=\"dlgSecCont\">";
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$enabled_feeds = $this->host->get($this, "enabled_feeds");
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if (!array($enabled_feeds)) $enabled_feeds = array();
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$key = array_search($feed_id, $enabled_feeds);
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$checked = $key !== FALSE ? "checked" : "";
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print "<hr/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" id=\"af_readability_enabled\"
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name=\"af_readability_enabled\"
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$checked> <label for=\"af_readability_enabled\">".__('Inline article content')."</label>";
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print "</div>";
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}
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function hook_prefs_save_feed($feed_id) {
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$enabled_feeds = $this->host->get($this, "enabled_feeds");
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if (!is_array($enabled_feeds)) $enabled_feeds = array();
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$enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]) == 'true';
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$key = array_search($feed_id, $enabled_feeds);
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if ($enable) {
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if ($key === FALSE) {
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array_push($enabled_feeds, $feed_id);
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}
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} else {
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if ($key !== FALSE) {
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unset($enabled_feeds[$key]);
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}
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}
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$this->host->set($this, "enabled_feeds", $enabled_feeds);
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}
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function hook_article_filter($article) {
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$enabled_feeds = $this->host->get($this, "enabled_feeds");
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$key = array_search($article["feed"]["id"], $enabled_feeds);
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if ($key === FALSE) return $article;
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if (!class_exists("Readability")) require_once(__DIR__ . "/classes/Readability.php");
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$tmp = fetch_file_contents($article["link"]);
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if ($tmp) {
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$r = new Readability($tmp, $article["link"]);
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if ($r->init()) {
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$tmpxpath = new DOMXPath($r->dom);
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$entries = $tmpxpath->query('(//a[@href]|//img[@src])');
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foreach ($entries as $entry) {
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if ($entry->hasAttribute("href")) {
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$entry->setAttribute("href",
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rewrite_relative_url($entry->getAttribute("href"), $article["link"]));
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}
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if ($entry->hasAttribute("src")) {
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$entry->setAttribute("src",
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rewrite_relative_url($entry->getAttribute("src"), $article["link"]));
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}
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}
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$article["content"] = $r->articleContent->innerHTML;
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}
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}
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return $article;
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}
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function api_version() {
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return 2;
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}
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private function filter_unknown_feeds($enabled_feeds) {
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$tmp = array();
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foreach ($enabled_feeds as $feed) {
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$result = db_query("SELECT id FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
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if (db_num_rows($result) != 0) {
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array_push($tmp, $feed);
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}
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}
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return $tmp;
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}
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}
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?>
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