250 lines
6,7 KiB
PHP
Executable file
250 lines
6,7 KiB
PHP
Executable file
<?php
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class Af_Readability extends Plugin {
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private $host;
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function about() {
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return array(1.0,
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"Try to inline article content using Readability",
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"fox");
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}
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function flags() {
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return array("needs_curl" => true);
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}
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function save() {
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$enable_share_anything = checkbox_to_sql_bool($_POST["enable_share_anything"]) == "true";
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$this->host->set($this, "enable_share_anything", $enable_share_anything);
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echo __("Data saved.");
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}
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function init($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, $this);
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$host->add_filter_action($this, "action_inline", __("Inline content"));
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}
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function hook_prefs_tab($args) {
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if ($args != "prefFeeds") return;
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print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('af_readability settings')."\">";
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print_notice("Enable the plugin for specific feeds in the feed editor.");
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print "<form dojoType=\"dijit.form.Form\">";
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print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
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evt.preventDefault();
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if (this.validate()) {
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console.log(dojo.objectToQuery(this.getValues()));
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new Ajax.Request('backend.php', {
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parameters: dojo.objectToQuery(this.getValues()),
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onComplete: function(transport) {
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notify_info(transport.responseText);
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}
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});
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//this.reset();
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}
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</script>";
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print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pluginhandler\">";
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print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"save\">";
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print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"plugin\" value=\"af_readability\">";
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$enable_share_anything = $this->host->get($this, "enable_share_anything");
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$enable_share_anything_checked = $enable_share_anything ? "checked" : "";
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print "<input dojoType=\"dijit.form.CheckBox\"
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$enable_share_anything_checked name=\"enable_share_anything\" id=\"enable_share_anything\">
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<label for=\"enable_share_anything\">" . __("Use Readability for pages shared via bookmarklet.") . "</label>";
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print "<p><button dojoType=\"dijit.form.Button\" type=\"submit\">".
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__("Save")."</button>";
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print "</form>";
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$enabled_feeds = $this->host->get($this, "enabled_feeds");
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if (!is_array($enabled_feeds)) $enabled_feeds = array();
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$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 (!is_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", $enabled_feeds);
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}
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function hook_article_filter_action($article, $action) {
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return $this->process_article($article);
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}
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public function extract_content($url) {
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if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__)). "/lib/readability/Readability.php");
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if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
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$ch = curl_init($url);
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_NOBODY, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
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@$result = curl_exec($ch);
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$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
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if (strpos($content_type, "text/html") === FALSE)
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return false;
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}
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$tmp = fetch_file_contents($url);
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if ($tmp && mb_strlen($tmp) < 65535 * 4) {
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$tmpdoc = new DOMDocument("1.0", "UTF-8");
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if (!$tmpdoc->loadHTML($tmp))
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return false;
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if (strtolower($tmpdoc->encoding) != 'utf-8') {
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$tmpxpath = new DOMXPath($tmpdoc);
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foreach ($tmpxpath->query("//meta") as $elem) {
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$elem->parentNode->removeChild($elem);
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}
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$tmp = $tmpdoc->saveHTML();
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}
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$r = new Readability($tmp, $url);
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if ($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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$entry->setAttribute("href",
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rewrite_relative_url($url, $entry->getAttribute("href")));
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}
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if ($entry->hasAttribute("src")) {
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$entry->setAttribute("src",
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rewrite_relative_url($url, $entry->getAttribute("src")));
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}
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}
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return $r->articleContent->innerHTML;
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}
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}
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return false;
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}
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function process_article($article) {
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$extracted_content = $this->extract_content($article["link"]);
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if ($extracted_content) {
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$article["content"] = $extracted_content;
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}
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return $article;
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}
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function hook_article_filter($article) {
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$enabled_feeds = $this->host->get($this, "enabled_feeds");
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if (!is_array($enabled_feeds)) return $article;
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$key = array_search($article["feed"]["id"], $enabled_feeds);
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if ($key === FALSE) return $article;
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return $this->process_article($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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