add tiny-OOP style backend RPC

2 files changed, 807 insertions, 0 deletions

diff --git a/classes/handler.php b/classes/handler.php
new file mode 100644
index 000000000..3bd82c725
--- /dev/null
+++ b/classes/handler.php
@@ -0,0 +1,15 @@
+<?php
+class Handler {
+	protected $link;
+	protected $args;
+
+	function __construct($link, $args) {
+		$this->link = $link;
+		$this->args = $args;
+	}
+
+	function before() {
+		return true;
+	}
+}
+?>
diff --git a/classes/rpc.php b/classes/rpc.php
new file mode 100644
index 000000000..8f03381f8
--- /dev/null
+++ b/classes/rpc.php
@@ -0,0 +1,792 @@
+<?php
+class RPC extends Handler {
+
+	function setprofile() {
+		$id = db_escape_string($_REQUEST["id"]);
+		
+		$_SESSION["profile"] = $id;
+		$_SESSION["prefs_cache"] = array();
+	}
+
+	function remprofiles() {
+		$ids = explode(",", db_escape_string(trim($_REQUEST["ids"])));
+
+		foreach ($ids as $id) {
+			if ($_SESSION["profile"] != $id) {
+				db_query($this->link, "DELETE FROM ttrss_settings_profiles WHERE id = '$id' AND
+							owner_uid = " . $_SESSION["uid"]);
+			}
+		}
+	}
+
+	// Silent
+	function addprofile() {
+		$title = db_escape_string(trim($_REQUEST["title"]));
+		if ($title) {
+			db_query($this->link, "BEGIN");
+
+			$result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles
+				WHERE title = '$title' AND owner_uid = " . $_SESSION["uid"]);
+
+			if (db_num_rows($result) == 0) {
+
+				db_query($this->link, "INSERT INTO ttrss_settings_profiles (title, owner_uid)
+							VALUES ('$title', ".$_SESSION["uid"] .")");
+
+				$result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles WHERE
+					title = '$title'");
+
+				if (db_num_rows($result) != 0) {
+					$profile_id = db_fetch_result($result, 0, "id");
+
+					if ($profile_id) {
+						initialize_user_prefs($this->link, $_SESSION["uid"], $profile_id);
+					}
+				}
+			}
+
+			db_query($this->link, "COMMIT");
+		}
+	}
+
+	// Silent
+	function saveprofile() {
+		$id = db_escape_string($_REQUEST["id"]);
+		$title = db_escape_string(trim($_REQUEST["value"]));
+
+		if ($id == 0) {
+			print __("Default profile");
+			return;
+		}
+
+		if ($title) {
+			db_query($this->link, "BEGIN");
+
+			$result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles
+				WHERE title = '$title' AND owner_uid =" . $_SESSION["uid"]);
+
+			if (db_num_rows($result) == 0) {
+				db_query($this->link, "UPDATE ttrss_settings_profiles
+							SET title = '$title' WHERE id = '$id' AND
+							owner_uid = " . $_SESSION["uid"]);
+				print $title;
+			} else {
+				$result = db_query($this->link, "SELECT title FROM ttrss_settings_profiles
+							WHERE id = '$id' AND owner_uid =" . $_SESSION["uid"]);
+				print db_fetch_result($result, 0, "title");
+			}
+
+			db_query($this->link, "COMMIT");
+		}
+	}
+
+	// Silent
+	function remarchive() {
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+
+		foreach ($ids as $id) {
+			$result = db_query($this->link, "DELETE FROM ttrss_archived_feeds WHERE
+		(SELECT COUNT(*) FROM ttrss_user_entries
+							WHERE orig_feed_id = '$id') = 0 AND
+		id = '$id' AND owner_uid = ".$_SESSION["uid"]);
+
+			$rc = db_affected_rows($this->link, $result);
+		}
+	}
+
+	function addfeed() {
+		$feed = db_escape_string($_REQUEST['feed']);
+		$cat = db_escape_string($_REQUEST['cat']);
+		$login = db_escape_string($_REQUEST['login']);
+		$pass = db_escape_string($_REQUEST['pass']);
+
+		$rc = subscribe_to_feed($this->link, $feed, $cat, $login, $pass);
+
+		print json_encode(array("result" => $rc));
+	}
+
+	function extractfeedurls() {
+		$urls = get_feeds_from_html($_REQUEST['url']);
+
+		print json_encode(array("urls" => $urls));
+	}
+
+	function togglepref() {
+		$key = db_escape_string($_REQUEST["key"]);
+		set_pref($this->link, $key, !get_pref($this->link, $key));
+		$value = get_pref($this->link, $key);
+
+		print json_encode(array("param" =>$key, "value" => $value));
+	}
+
+	function setpref() {
+		$value = str_replace("\n", "<br/>", $_REQUEST['value']);
+
+		$key = db_escape_string($_REQUEST["key"]);
+		$value = db_escape_string($value);
+
+		set_pref($this->link, $key, $value);
+
+		print json_encode(array("param" =>$key, "value" => $value));
+	}
+
+	function mark() {
+		$mark = $_REQUEST["mark"];
+		$id = db_escape_string($_REQUEST["id"]);
+
+		if ($mark == "1") {
+			$mark = "true";
+		} else {
+			$mark = "false";
+		}
+
+		$result = db_query($this->link, "UPDATE ttrss_user_entries SET marked = $mark
+					WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function delete() {
+		$ids = db_escape_string($_REQUEST["ids"]);
+
+		$result = db_query($this->link, "DELETE FROM ttrss_user_entries
+		WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function unarchive() {
+		$ids = db_escape_string($_REQUEST["ids"]);
+
+		$result = db_query($this->link, "UPDATE ttrss_user_entries
+					SET feed_id = orig_feed_id, orig_feed_id = NULL
+					WHERE ref_id IN ($ids) AND owner_uid = " . $_SESSION["uid"]);
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function archive() {
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+
+		foreach ($ids as $id) {
+			archive_article($this->link, $id, $_SESSION["uid"]);
+		}
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function publ() {
+		$pub = $_REQUEST["pub"];
+		$id = db_escape_string($_REQUEST["id"]);
+		$note = trim(strip_tags(db_escape_string($_REQUEST["note"])));
+
+		if ($pub == "1") {
+			$pub = "true";
+		} else {
+			$pub = "false";
+		}
+
+		$result = db_query($this->link, "UPDATE ttrss_user_entries SET
+			published = $pub
+			WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
+
+		$pubsub_result = false;
+
+		if (PUBSUBHUBBUB_HUB) {
+			$rss_link = get_self_url_prefix() .
+				"/public.php?op=rss&id=-2&key=" .
+				get_feed_access_key($this->link, -2, false);
+
+			$p = new Publisher(PUBSUBHUBBUB_HUB);
+
+			$pubsub_result = $p->publish_update($rss_link);
+		}
+
+		print json_encode(array("message" => "UPDATE_COUNTERS",
+			"pubsub_result" => $pubsub_result));
+	}
+
+	function getAllCounters() {
+		$last_article_id = (int) $_REQUEST["last_article_id"];
+
+		$reply = array();
+
+		 if ($seq) $reply['seq'] = $seq;
+
+		 if ($last_article_id != getLastArticleId($this->link)) {
+				$omode = $_REQUEST["omode"];
+	
+			if ($omode != "T")
+				$reply['counters'] = getAllCounters($this->link, $omode);
+			else
+				$reply['counters'] = getGlobalCounters($this->link);
+		 }
+
+		 $reply['runtime-info'] = make_runtime_info($this->link);
+
+		 print json_encode($reply);
+	}
+
+	/* GET["cmode"] = 0 - mark as read, 1 - as unread, 2 - toggle */
+	function catchupSelected() {
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+		$cmode = sprintf("%d", $_REQUEST["cmode"]);
+
+		catchupArticlesById($this->link, $ids, $cmode);
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function markSelected() {
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+		$cmode = sprintf("%d", $_REQUEST["cmode"]);
+
+		markArticlesById($this->link, $ids, $cmode);
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function publishSelected() {
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+		$cmode = sprintf("%d", $_REQUEST["cmode"]);
+
+		publishArticlesById($this->link, $ids, $cmode);
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function sanityCheck() {
+		$_SESSION["hasAudio"] = $_REQUEST["hasAudio"] === "true";
+
+		$reply = array();
+
+		$reply['error'] = sanity_check($this->link);
+
+		if ($reply['error']['code'] == 0) {
+			$reply['init-params'] = make_init_params($this->link);
+			$reply['runtime-info'] = make_runtime_info($this->link);
+		}
+
+		print json_encode($reply);
+	}
+
+	function setArticleTags() {
+		global $memcache;
+
+		$id = db_escape_string($_REQUEST["id"]);
+
+		$tags_str = db_escape_string($_REQUEST["tags_str"]);
+		$tags = array_unique(trim_array(explode(",", $tags_str)));
+
+		db_query($this->link, "BEGIN");
+
+		$result = db_query($this->link, "SELECT int_id FROM ttrss_user_entries WHERE
+				ref_id = '$id' AND owner_uid = '".$_SESSION["uid"]."' LIMIT 1");
+
+		if (db_num_rows($result) == 1) {
+
+			$tags_to_cache = array();
+
+			$int_id = db_fetch_result($result, 0, "int_id");
+
+			db_query($this->link, "DELETE FROM ttrss_tags WHERE
+				post_int_id = $int_id AND owner_uid = '".$_SESSION["uid"]."'");
+
+			foreach ($tags as $tag) {
+				$tag = sanitize_tag($tag);
+
+				if (!tag_is_valid($tag)) {
+					continue;
+				}
+
+				if (preg_match("/^[0-9]*$/", $tag)) {
+					continue;
+				}
+
+				//					print "<!-- $id : $int_id : $tag -->";
+
+				if ($tag != '') {
+					db_query($this->link, "INSERT INTO ttrss_tags
+								(post_int_id, owner_uid, tag_name) VALUES ('$int_id', '".$_SESSION["uid"]."', '$tag')");
+				}
+
+				array_push($tags_to_cache, $tag);
+			}
+
+			/* update tag cache */
+
+			sort($tags_to_cache);
+			$tags_str = join(",", $tags_to_cache);
+
+			db_query($this->link, "UPDATE ttrss_user_entries
+				SET tag_cache = '$tags_str' WHERE ref_id = '$id'
+						AND owner_uid = " . $_SESSION["uid"]);
+		}
+
+		db_query($this->link, "COMMIT");
+
+		if ($memcache) {
+			$obj_id = md5("TAGS:".$_SESSION["uid"].":$id");
+			$memcache->delete($obj_id);
+		}
+
+		$tags = get_article_tags($this->link, $id);
+		$tags_str = format_tags_string($tags, $id);
+		$tags_str_full = join(", ", $tags);
+
+		if (!$tags_str_full) $tags_str_full = __("no tags");
+
+		print json_encode(array("tags_str" => array("id" => $id,
+				"content" => $tags_str, "content_full" => $tags_str_full)));
+	}
+
+	function regenOPMLKey() {
+		update_feed_access_key($this->link, 'OPML:Publish',
+		false, $_SESSION["uid"]);
+
+		$new_link = opml_publish_url($this->link);
+
+		print json_encode(array("link" => $new_link));
+	}
+
+	function completeTags() {
+		$search = db_escape_string($_REQUEST["search"]);
+
+		$result = db_query($this->link, "SELECT DISTINCT tag_name FROM ttrss_tags
+				WHERE owner_uid = '".$_SESSION["uid"]."' AND
+				tag_name LIKE '$search%' ORDER BY tag_name
+				LIMIT 10");
+
+		print "<ul>";
+		while ($line = db_fetch_assoc($result)) {
+			print "<li>" . $line["tag_name"] . "</li>";
+		}
+		print "</ul>";
+	}
+
+	function purge() {
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+		$days = sprintf("%d", $_REQUEST["days"]);
+
+		foreach ($ids as $id) {
+
+			$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
+				id = '$id' AND owner_uid = ".$_SESSION["uid"]);
+
+			if (db_num_rows($result) == 1) {
+				purge_feed($this->link, $id, $days);
+			}
+		}
+	}
+
+	function getArticles() {
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+		$articles = array();
+
+		foreach ($ids as $id) {
+			if ($id) {
+				array_push($articles, format_article($this->link, $id, 0, false));
+			}
+		}
+
+		print json_encode($articles);
+	}
+
+	function checkDate() {
+		$date = db_escape_string($_REQUEST["date"]);
+		$date_parsed = strtotime($date);
+
+		print json_encode(array("result" => (bool)$date_parsed,
+			"date" => date("c", $date_parsed)));
+	}
+
+	function assigntolabel() {
+		return labelops(true);
+	}
+	
+	function removefromlabel() {
+		return labelops(false);
+	}
+	
+	function labelops($assign) {
+		$reply = array();
+
+		$ids = explode(",", db_escape_string($_REQUEST["ids"]));
+		$label_id = db_escape_string($_REQUEST["lid"]);
+
+		$label = db_escape_string(label_find_caption($this->link, $label_id,
+		$_SESSION["uid"]));
+
+		$reply["info-for-headlines"] = array();
+
+		if ($label) {
+
+			foreach ($ids as $id) {
+
+				if ($assign)
+					label_add_article($this->link, $id, $label, $_SESSION["uid"]);
+				else
+					label_remove_article($this->link, $id, $label, $_SESSION["uid"]);
+
+				$labels = get_article_labels($this->link, $id, $_SESSION["uid"]);
+
+				array_push($reply["info-for-headlines"],
+				array("id" => $id, "labels" => format_article_labels($labels, $id)));
+
+			}
+		}
+
+		$reply["message"] = "UPDATE_COUNTERS";
+
+		print json_encode($reply);
+	}
+
+	function updateFeedBrowser() {
+		$search = db_escape_string($_REQUEST["search"]);
+		$limit = db_escape_string($_REQUEST["limit"]);
+		$mode = (int) db_escape_string($_REQUEST["mode"]);
+
+		print json_encode(array("content" =>
+			make_feed_browser($this->link, $search, $limit, $mode),
+				"mode" => $mode));
+	}
+
+	// Silent
+	function massSubscribe() {
+
+		$payload = json_decode($_REQUEST["payload"], false);
+		$mode = $_REQUEST["mode"];
+
+		if (!$payload || !is_array($payload)) return;
+
+		if ($mode == 1) {
+			foreach ($payload as $feed) {
+
+				$title = db_escape_string($feed[0]);
+				$feed_url = db_escape_string($feed[1]);
+
+				$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
+					feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
+
+				if (db_num_rows($result) == 0) {
+					$result = db_query($this->link, "INSERT INTO ttrss_feeds
+									(owner_uid,feed_url,title,cat_id,site_url)
+									VALUES ('".$_SESSION["uid"]."',
+									'$feed_url', '$title', NULL, '')");
+				}
+			}
+		} else if ($mode == 2) {
+			// feed archive
+			foreach ($payload as $id) {
+				$result = db_query($this->link, "SELECT * FROM ttrss_archived_feeds
+					WHERE id = '$id' AND owner_uid = " . $_SESSION["uid"]);
+
+				if (db_num_rows($result) != 0) {
+					$site_url = db_escape_string(db_fetch_result($result, 0, "site_url"));
+					$feed_url = db_escape_string(db_fetch_result($result, 0, "feed_url"));
+					$title = db_escape_string(db_fetch_result($result, 0, "title"));
+
+					$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
+						feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
+
+					if (db_num_rows($result) == 0) {
+						$result = db_query($this->link, "INSERT INTO ttrss_feeds
+										(owner_uid,feed_url,title,cat_id,site_url)
+									VALUES ('$id','".$_SESSION["uid"]."',
+									'$feed_url', '$title', NULL, '$site_url')");
+					}
+				}
+			}
+		}
+	}
+
+	function digestgetcontents() {
+		$article_id = db_escape_string($_REQUEST['article_id']);
+
+		$result = db_query($this->link, "SELECT content,title,link,marked,published
+			FROM ttrss_entries, ttrss_user_entries
+			WHERE id = '$article_id' AND ref_id = id AND owner_uid = ".$_SESSION['uid']);
+
+		$content = sanitize_rss($this->link, db_fetch_result($result, 0, "content"));
+		$title = strip_tags(db_fetch_result($result, 0, "title"));
+		$article_url = htmlspecialchars(db_fetch_result($result, 0, "link"));
+		$marked = sql_bool_to_bool(db_fetch_result($result, 0, "marked"));
+		$published = sql_bool_to_bool(db_fetch_result($result, 0, "published"));
+
+		print json_encode(array("article" =>
+			array("id" => $article_id, "url" => $article_url,
+				"tags" => get_article_tags($this->link, $article_id),
+				"marked" => $marked, "published" => $published,
+				"title" => $title, "content" => $content)));
+	}
+
+	function digestupdate() {
+		$feed_id = db_escape_string($_REQUEST['feed_id']);
+		$offset = db_escape_string($_REQUEST['offset']);
+		$seq = db_escape_string($_REQUEST['seq']);
+
+		if (!$feed_id) $feed_id = -4;
+		if (!$offset) $offset = 0;
+
+		$reply = array();
+
+		$reply['seq'] = $seq;
+
+		$headlines = api_get_headlines($this->link, $feed_id, 30, $offset,
+				'', ($feed_id == -4), true, false, "unread", "updated DESC", 0, 0);
+
+		$reply['headlines'] = array();
+		$reply['headlines']['title'] = getFeedTitle($this->link, $feed_id);
+		$reply['headlines']['content'] = $headlines;
+
+		print json_encode($reply);
+	}
+
+	function digestinit() {
+		$tmp_feeds = api_get_feeds($this->link, -4, true, false, 0);
+
+		$feeds = array();
+
+		foreach ($tmp_feeds as $f) {
+			if ($f['id'] > 0 || $f['id'] == -4) array_push($feeds, $f);
+		}
+
+		print json_encode(array("feeds" => $feeds));
+	}
+
+	function catchupFeed() {
+		$feed_id = db_escape_string($_REQUEST['feed_id']);
+		$is_cat = db_escape_string($_REQUEST['is_cat']) == "true";
+
+		catchup_feed($this->link, $feed_id, $is_cat);
+
+		print json_encode(array("message" => "UPDATE_COUNTERS"));
+	}
+
+	function sendEmail() {
+		$secretkey = $_REQUEST['secretkey'];
+
+		require_once 'lib/phpmailer/class.phpmailer.php';
+
+		$reply = array();
+
+		if (DIGEST_ENABLE && $_SESSION['email_secretkey'] &&
+		$secretkey == $_SESSION['email_secretkey']) {
+
+			$_SESSION['email_secretkey'] = '';
+
+			$destination = $_REQUEST['destination'];
+			$subject = $_REQUEST['subject'];
+			$content = $_REQUEST['content'];
+
+			$replyto = strip_tags($_SESSION['email_replyto']);
+			$fromname = strip_tags($_SESSION['email_fromname']);
+
+			$mail = new PHPMailer();
+
+			$mail->PluginDir = "lib/phpmailer/";
+			$mail->SetLanguage("en", "lib/phpmailer/language/");
+
+			$mail->CharSet = "UTF-8";
+
+			$mail->From = $replyto;
+			$mail->FromName = $fromname;
+			$mail->AddAddress($destination);
+
+			if (DIGEST_SMTP_HOST) {
+				$mail->Host = DIGEST_SMTP_HOST;
+				$mail->Mailer = "smtp";
+				$mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
+				$mail->Username = DIGEST_SMTP_LOGIN;
+				$mail->Password = DIGEST_SMTP_PASSWORD;
+			}
+
+			$mail->IsHTML(false);
+			$mail->Subject = $subject;
+			$mail->Body = $content;
+
+			$rc = $mail->Send();
+
+			if (!$rc) {
+				$reply['error'] =  $mail->ErrorInfo;
+			} else {
+				save_email_address($this->link, db_escape_string($destination));
+				$reply['message'] = "UPDATE_COUNTERS";
+			}
+
+		} else {
+			$reply['error'] = "Not authorized.";
+		}
+
+		print json_encode($reply);
+	}
+
+	function completeEmails() {
+		$search = db_escape_string($_REQUEST["search"]);
+
+		print "<ul>";
+
+		foreach ($_SESSION['stored_emails'] as $email) {
+			if (strpos($email, $search) !== false) {
+				print "<li>$email</li>";
+			}
+		}
+
+		print "</ul>";
+	}
+
+	function quickAddCat() {
+		$cat = db_escape_string($_REQUEST["cat"]);
+
+		add_feed_category($this->link, $cat);
+
+		$result = db_query($this->link, "SELECT id FROM ttrss_feed_categories WHERE
+			title = '$cat' AND owner_uid = " . $_SESSION["uid"]);
+
+		if (db_num_rows($result) == 1) {
+			$id = db_fetch_result($result, 0, "id");
+		} else {
+			$id = 0;
+		}
+
+		print_feed_cat_select($this->link, "cat_id", $id);
+	}
+
+	function regenFeedKey() {
+		$feed_id = db_escape_string($_REQUEST['id']);
+		$is_cat = db_escape_string($_REQUEST['is_cat']) == "true";
+
+		$new_key = update_feed_access_key($this->link, $feed_id, $is_cat);
+
+		print json_encode(array("link" => $new_key));
+	}
+
+	// Silent
+	function clearKeys() {
+		db_query($this->link, "DELETE FROM ttrss_access_keys WHERE
+			owner_uid = " . $_SESSION["uid"]);
+	}
+
+	// Silent
+	function clearArticleKeys() {
+		db_query($this->link, "UPDATE ttrss_user_entries SET uuid = '' WHERE
+			owner_uid = " . $_SESSION["uid"]);
+
+		return;
+	}
+
+
+	function verifyRegexp() {
+		$reg_exp = $_REQUEST["reg_exp"];
+
+		$status = @preg_match("/$reg_exp/i", "TEST") !== false;
+
+		print json_encode(array("status" => $status));
+	}
+
+	// TODO: unify with digest-get-contents?
+	function cdmGetArticle() {
+		$ids = array(db_escape_string($_REQUEST["id"]));
+		$cids = explode(",", $_REQUEST["cids"]);
+
+		$ids = array_merge($ids, $cids);
+
+		$rv = array();
+
+		foreach ($ids as $id) {
+			$id = (int)$id;
+
+			$result = db_query($this->link, "SELECT content,
+					ttrss_feeds.site_url AS site_url FROM ttrss_user_entries, ttrss_feeds,
+					ttrss_entries
+					WHERE feed_id = ttrss_feeds.id AND ref_id = '$id' AND
+					ttrss_entries.id = ref_id AND
+					ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
+
+			if (db_num_rows($result) != 0) {
+				$line = db_fetch_assoc($result);
+
+				$article_content = sanitize_rss($this->link, $line["content"],
+					false, false, $line['site_url']);
+
+				array_push($rv,
+					array("id" => $id, "content" => $article_content));
+			}
+		}
+
+		print json_encode($rv);
+	}
+
+	function scheduleFeedUpdate() {
+		$feed_id = db_escape_string($_REQUEST["id"]);
+		$is_cat =  db_escape_string($_REQUEST['is_cat']) == 'true';
+
+		$message = __("Your request could not be completed.");
+
+		if ($feed_id >= 0) {
+			if (!$is_cat) {
+				$message = __("Feed update has been scheduled.");
+
+				db_query($this->link, "UPDATE ttrss_feeds SET
+					last_update_started = '1970-01-01',
+					last_updated = '1970-01-01' WHERE id = '$feed_id' AND
+					owner_uid = ".$_SESSION["uid"]);
+
+			} else {
+				$message = __("Category update has been scheduled.");
+
+				if ($feed_id)
+				$cat_query = "cat_id = '$feed_id'";
+				else
+				$cat_query = "cat_id IS NULL";
+
+				db_query($this->link, "UPDATE ttrss_feeds SET
+						last_update_started = '1970-01-01',
+						last_updated = '1970-01-01' WHERE $cat_query AND
+						owner_uid = ".$_SESSION["uid"]);
+			}
+		} else {
+			$message = __("Can't update this kind of feed.");
+		}
+
+		print json_encode(array("message" => $message));
+		return;
+	}
+
+	function getTweetInfo() {
+		$id = db_escape_string($_REQUEST['id']);
+
+		$result = db_query($this->link, "SELECT title, link
+				FROM ttrss_entries, ttrss_user_entries
+				WHERE id = '$id' AND ref_id = id AND owner_uid = " .$_SESSION['uid']);
+
+		if (db_num_rows($result) != 0) {
+			$title = truncate_string(strip_tags(db_fetch_result($result, 0, 'title')),
+				100, '...');
+			$article_link = db_fetch_result($result, 0, 'link');
+		}
+
+		print json_encode(array("title" => $title, "link" => $article_link,
+				"id" => $id));
+	}
+
+	function setNote() {
+		$id = db_escape_string($_REQUEST["id"]);
+		$note = trim(strip_tags(db_escape_string($_REQUEST["note"])));
+
+		db_query($this->link, "UPDATE ttrss_user_entries SET note = '$note'
+			WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
+
+		$formatted_note = format_article_note($id, $note);
+
+		print json_encode(array("note" => $formatted_note,
+				"raw_length" => mb_strlen($note)));
+	}
+
+	function genHash() {
+		$hash = sha1(uniqid(rand(), true));
+
+		print json_encode(array("hash" => $hash));
+	}
+}
+?>