Automated build for v0.01

plugins/af_readability/init.php

@@ -0,0 +1,260 @@
+<?php
+use andreskrey\Readability\Readability;
+use andreskrey\Readability\Configuration;
+
+class Af_Readability extends Plugin {
+
+	/* @var PluginHost $host */
+	private $host;
+
+	function about() {
+		return array(1.0,
+			"Try to inline article content using Readability",
+			"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);
+
+		$host->add_filter_action($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 " " . __("Use Readability for pages shared via bookmarklet.");
+			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' $checked>&nbsp;".__('Inline article content')."</label>";
+
+		print "</fieldset>";
+
+		print "</section>";
+	}
+
+	function hook_prefs_save_feed($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 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;
+	}
+
+}