]>
git.wh0rd.org - tt-rss.git/blob - plugins/af_readability/init.php
2 class Af_Readability
extends Plugin
{
8 "Try to inline article content using Readability",
13 return array("needs_curl" => true);
17 $enable_share_anything = checkbox_to_sql_bool($_POST["enable_share_anything"]) == "true";
19 $this->host
->set($this, "enable_share_anything", $enable_share_anything);
21 echo __("Data saved.");
28 $host->add_hook($host::HOOK_ARTICLE_FILTER
, $this);
29 $host->add_hook($host::HOOK_PREFS_TAB
, $this);
30 $host->add_hook($host::HOOK_PREFS_EDIT_FEED
, $this);
31 $host->add_hook($host::HOOK_PREFS_SAVE_FEED
, $this);
33 $host->add_filter_action($this, "action_inline", __("Inline content"));
36 function hook_prefs_tab($args) {
37 if ($args != "prefFeeds") return;
39 print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Readability settings (af_readability)')."\">";
41 print_notice("Enable the plugin for specific feeds in the feed editor.");
43 print "<form dojoType=\"dijit.form.Form\">";
45 print "<script type=\"dojo/method\" event=\"onSubmit\" args=\"evt\">
47 if (this.validate()) {
48 console.log(dojo.objectToQuery(this.getValues()));
49 new Ajax.Request('backend.php', {
50 parameters: dojo.objectToQuery(this.getValues()),
51 onComplete: function(transport) {
52 notify_info(transport.responseText);
59 print_hidden("op", "pluginhandler");
60 print_hidden("method", "save");
61 print_hidden("plugin", "af_readability");
63 $enable_share_anything = $this->host
->get($this, "enable_share_anything");
65 print_checkbox("enable_share_anything", $enable_share_anything);
66 print " <label for=\"enable_share_anything\">" . __("Use Readability for pages shared via bookmarklet.") . "</label>";
68 print "<p>"; print_button("submit", __("Save"));
71 $enabled_feeds = $this->host
->get($this, "enabled_feeds");
72 if (!is_array($enabled_feeds)) $enabled_feeds = array();
74 $enabled_feeds = $this->filter_unknown_feeds($enabled_feeds);
75 $this->host
->set($this, "enabled_feeds", $enabled_feeds);
77 if (count($enabled_feeds) > 0) {
78 print "<h3>" . __("Currently enabled for (click to edit):") . "</h3>";
80 print "<ul class=\"browseFeedList\" style=\"border-width : 1px\">";
81 foreach ($enabled_feeds as $f) {
83 "<img src='images/pub_set.png'
84 style='vertical-align : middle'> <a href='#'
85 onclick='editFeed($f)'>".
86 Feeds
::getFeedTitle($f) . "</a></li>";
94 function hook_prefs_edit_feed($feed_id) {
95 print "<div class=\"dlgSec\">".__("Readability")."</div>";
96 print "<div class=\"dlgSecCont\">";
98 $enabled_feeds = $this->host
->get($this, "enabled_feeds");
99 if (!is_array($enabled_feeds)) $enabled_feeds = array();
101 $key = array_search($feed_id, $enabled_feeds);
102 $checked = $key !== FALSE ?
"checked" : "";
104 print "<hr/><input dojoType=\"dijit.form.CheckBox\" type=\"checkbox\" id=\"af_readability_enabled\"
105 name=\"af_readability_enabled\"
106 $checked> <label for=\"af_readability_enabled\">".__('Inline article content')."</label>";
111 function hook_prefs_save_feed($feed_id) {
112 $enabled_feeds = $this->host
->get($this, "enabled_feeds");
113 if (!is_array($enabled_feeds)) $enabled_feeds = array();
115 $enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]) == 'true';
116 $key = array_search($feed_id, $enabled_feeds);
119 if ($key === FALSE) {
120 array_push($enabled_feeds, $feed_id);
123 if ($key !== FALSE) {
124 unset($enabled_feeds[$key]);
128 $this->host
->set($this, "enabled_feeds", $enabled_feeds);
132 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
134 function hook_article_filter_action($article, $action) {
135 return $this->process_article($article);
138 public function extract_content($url) {
139 if (!class_exists("Readability")) require_once(dirname(dirname(__DIR__
)). "/lib/readability/Readability.php");
141 if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
143 $ch = curl_init($url);
145 curl_setopt($ch, CURLOPT_TIMEOUT
, 5);
146 curl_setopt($ch, CURLOPT_RETURNTRANSFER
, 1);
147 curl_setopt($ch, CURLOPT_HEADER
, true);
148 curl_setopt($ch, CURLOPT_NOBODY
, true);
149 curl_setopt($ch, CURLOPT_FOLLOWLOCATION
, true);
150 curl_setopt($ch, CURLOPT_USERAGENT
, SELF_USER_AGENT
);
153 $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE
);
155 if (strpos($content_type, "text/html") === FALSE)
159 $tmp = fetch_file_contents($url);
161 if ($tmp && mb_strlen($tmp) < 1024 * 500) {
162 $tmpdoc = new DOMDocument("1.0", "UTF-8");
164 if (!$tmpdoc->loadHTML('<?xml encoding="utf-8" ?>\n' . $tmp))
167 if (strtolower($tmpdoc->encoding
) != 'utf-8') {
168 $tmpxpath = new DOMXPath($tmpdoc);
170 foreach ($tmpxpath->query("//meta") as $elem) {
171 $elem->parentNode
->removeChild($elem);
174 $tmp = $tmpdoc->saveHTML();
177 $r = new Readability($tmp, $url);
180 $tmpxpath = new DOMXPath($r->dom
);
182 $entries = $tmpxpath->query('(//a[@href]|//img[@src])');
184 foreach ($entries as $entry) {
185 if ($entry->hasAttribute("href")) {
186 $entry->setAttribute("href",
187 rewrite_relative_url($url, $entry->getAttribute("href")));
191 if ($entry->hasAttribute("src")) {
192 $entry->setAttribute("src",
193 rewrite_relative_url($url, $entry->getAttribute("src")));
199 return $r->articleContent
->innerHTML
;
206 function process_article($article) {
208 $extracted_content = $this->extract_content($article["link"]);
210 if ($extracted_content) {
211 $article["content"] = $extracted_content;
217 function hook_article_filter($article) {
219 $enabled_feeds = $this->host
->get($this, "enabled_feeds");
220 if (!is_array($enabled_feeds)) return $article;
222 $key = array_search($article["feed"]["id"], $enabled_feeds);
223 if ($key === FALSE) return $article;
225 return $this->process_article($article);
229 function api_version() {
233 private function filter_unknown_feeds($enabled_feeds) {
236 foreach ($enabled_feeds as $feed) {
238 $result = db_query("SELECT id FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
240 if (db_num_rows($result) != 0) {
241 array_push($tmp, $feed);