diff options
Diffstat (limited to 'init.php')
| -rw-r--r-- | init.php | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/init.php b/init.php new file mode 100644 index 0000000..9ffaa00 --- /dev/null +++ b/init.php @@ -0,0 +1,282 @@ +<?php +use andreskrey\Readability\Readability; +use andreskrey\Readability\Configuration; + +class Af_Readability_Legacy extends Plugin { + + /* @var PluginHost $host */ + private $host; + + function about() { + return array(1.0, + "Try to inline article content using Readability (PHP 5.6 version)", + "fox"); + } + + function flags() { + return array("needs_curl" => true); + } + + function save() { + $enable_share_anything = checkbox_to_sql_bool($_POST["enable_share_anything"]); + + $this->host->set($this, "enable_share_anything", $enable_share_anything); + + echo __("Data saved."); + } + + function init($host) + { + $this->host = $host; + + if (version_compare(PHP_VERSION, '5.6.0', '<')) { + return; + } + + $host->add_hook($host::HOOK_ARTICLE_FILTER, $this); + $host->add_hook($host::HOOK_PREFS_TAB, $this); + $host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this); + $host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this); + + // Note: we have to install the hook even if disabled because init() is being run before plugin data has loaded + // so we can't check for our storage-set options here + $host->add_hook($host::HOOK_GET_FULL_TEXT, $this); + + $host->add_filter_action($this, "action_inline", __("Inline content")); + } + + function hook_prefs_tab($args) { + if ($args != "prefFeeds") return; + + print "<div dojoType='dijit.layout.AccordionPane' + title=\"<i class='material-icons'>extension</i> ".__('Readability settings (af_readability)')."\">"; + + if (version_compare(PHP_VERSION, '5.6.0', '<')) { + print_error("This plugin requires PHP version 5.6."); + } else { + + print "<h2>" . __("Global settings") . "</h2>"; + + print_notice("Enable for specific feeds in the feed editor."); + + print "<form dojoType='dijit.form.Form'>"; + + print "<script type='dojo/method' event='onSubmit' args='evt'> + evt.preventDefault(); + if (this.validate()) { + console.log(dojo.objectToQuery(this.getValues())); + new Ajax.Request('backend.php', { + parameters: dojo.objectToQuery(this.getValues()), + onComplete: function(transport) { + Notify.info(transport.responseText); + } + }); + //this.reset(); + } + </script>"; + + print_hidden("op", "pluginhandler"); + print_hidden("method", "save"); + print_hidden("plugin", "af_readability"); + + $enable_share_anything = $this->host->get($this, "enable_share_anything"); + + print "<fieldset>"; + print "<label class='checkbox'> "; + print_checkbox("enable_share_anything", $enable_share_anything); + print " " . __("Provide full-text services to core code (bookmarklets) and other plugins"); + print "</label>"; + print "</fieldset>"; + + print print_button("submit", __("Save"), "class='alt-primary'"); + print "</form>"; + + $enabled_feeds = $this->host->get($this, "enabled_feeds"); + if (!is_array($enabled_feeds)) $enabled_feeds = array(); + + $enabled_feeds = $this->filter_unknown_feeds($enabled_feeds); + $this->host->set($this, "enabled_feeds", $enabled_feeds); + + if (count($enabled_feeds) > 0) { + print "<h3>" . __("Currently enabled for (click to edit):") . "</h3>"; + + print "<ul class='panel panel-scrollable list list-unstyled'>"; + foreach ($enabled_feeds as $f) { + print "<li><i class='material-icons'>rss_feed</i> <a href='#' + onclick='CommonDialogs.editFeed($f)'>". + Feeds::getFeedTitle($f) . "</a></li>"; + } + print "</ul>"; + } + + } + + print "</div>"; + } + + function hook_prefs_edit_feed($feed_id) { + print "<header>".__("Readability")."</header>"; + print "<section>"; + + $enabled_feeds = $this->host->get($this, "enabled_feeds"); + if (!is_array($enabled_feeds)) $enabled_feeds = array(); + + $key = array_search($feed_id, $enabled_feeds); + $checked = $key !== FALSE ? "checked" : ""; + + print "<fieldset>"; + + print "<label class='checkbox'><input dojoType='dijit.form.CheckBox' type='checkbox' id='af_readability_enabled' + name='af_readability_enabled' $checked> ".__('Inline article content')."</label>"; + + print "</fieldset>"; + + print "</section>"; + } + + function hook_prefs_save_feed($feed_id) { + $enabled_feeds = $this->host->get($this, "enabled_feeds"); + if (!is_array($enabled_feeds)) $enabled_feeds = array(); + + $enable = checkbox_to_sql_bool($_POST["af_readability_enabled"]); + $key = array_search($feed_id, $enabled_feeds); + + if ($enable) { + if ($key === FALSE) { + array_push($enabled_feeds, $feed_id); + } + } else { + if ($key !== FALSE) { + unset($enabled_feeds[$key]); + } + } + + $this->host->set($this, "enabled_feeds", $enabled_feeds); + } + + /** + * @SuppressWarnings(PHPMD.UnusedFormalParameter) + */ + function hook_article_filter_action($article, $action) { + return $this->process_article($article); + } + + public function extract_content($url) { + + global $fetch_effective_url; + + $tmp = fetch_file_contents([ + "url" => $url, + "http_accept" => "text/*", + "type" => "text/html"]); + + if ($tmp && mb_strlen($tmp) < 1024 * 500) { + $tmpdoc = new DOMDocument("1.0", "UTF-8"); + + if (!@$tmpdoc->loadHTML($tmp)) + return false; + + // this is the worst hack yet :( + if (strtolower($tmpdoc->encoding) != 'utf-8') { + $tmp = preg_replace("/<meta.*?charset.*?\/?>/i", "", $tmp); + $tmp = mb_convert_encoding($tmp, 'utf-8', $tmpdoc->encoding); + } + + try { + $r = new Readability(new Configuration()); + + if ($r->parse($tmp)) { + + $tmpxpath = new DOMXPath($r->getDOMDOcument()); + $entries = $tmpxpath->query('(//a[@href]|//img[@src])'); + + foreach ($entries as $entry) { + if ($entry->hasAttribute("href")) { + $entry->setAttribute("href", + rewrite_relative_url($fetch_effective_url, $entry->getAttribute("href"))); + + } + + if ($entry->hasAttribute("src")) { + $entry->setAttribute("src", + rewrite_relative_url($fetch_effective_url, $entry->getAttribute("src"))); + + } + } + + return $r->getContent(); + } + + } catch (Exception $e) { + return false; + } + } + + return false; + } + + function process_article($article) { + + $extracted_content = $this->extract_content($article["link"]); + + # let's see if there's anything of value in there + $content_test = trim(strip_tags(sanitize($extracted_content))); + + if ($content_test) { + $article["content"] = $extracted_content; + } + + return $article; + } + + function hook_article_filter($article) { + + $enabled_feeds = $this->host->get($this, "enabled_feeds"); + if (!is_array($enabled_feeds)) return $article; + + $key = array_search($article["feed"]["id"], $enabled_feeds); + if ($key === FALSE) return $article; + + return $this->process_article($article); + + } + + function hook_get_full_text($link) + { + $enable_share_anything = $this->host->get($this, "enable_share_anything"); + + if ($enable_share_anything) { + $extracted_content = $this->extract_content($link); + + # let's see if there's anything of value in there + $content_test = trim(strip_tags(sanitize($extracted_content))); + + if ($content_test) { + return $extracted_content; + } + } + + return false; + } + + function api_version() { + return 2; + } + + private function filter_unknown_feeds($enabled_feeds) { + $tmp = array(); + + foreach ($enabled_feeds as $feed) { + + $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE id = ? AND owner_uid = ?"); + $sth->execute([$feed, $_SESSION['uid']]); + + if ($row = $sth->fetch()) { + array_push($tmp, $feed); + } + } + + return $tmp; + } + +} |