]> git.wh0rd.org - tt-rss.git/blobdiff - classes/handler/public.php
generate_syndicated_feed: add support for virtual feeds provided by plugins
[tt-rss.git] / classes / handler / public.php
old mode 100644 (file)
new mode 100755 (executable)
index 983f0aa..dbed3fe
@@ -2,7 +2,8 @@
 class Handler_Public extends Handler {
 
        private function generate_syndicated_feed($owner_uid, $feed, $is_cat,
-               $limit, $search, $search_mode, $match_on, $view_mode = false) {
+               $limit, $offset, $search,
+               $view_mode = false, $format = 'atom', $order = false, $orig_guid = false, $start_ts = false) {
 
                require_once "lib/MiniTemplator.class.php";
 
@@ -11,300 +12,1010 @@ class Handler_Public extends Handler {
                        "padding : 5px; border-style : dashed; border-color : #e7d796;".
                        "margin-bottom : 1em; color : #9a8c59;";
 
-               if (!$limit) $limit = 30;
+               if (!$limit) $limit = 60;
 
-               if (get_pref($this->link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
-                       $date_sort_field = "updated";
-               } else {
-                       $date_sort_field = "date_entered";
+               $date_sort_field = "date_entered DESC, updated DESC";
+
+               if ($feed == -2 && !$is_cat) {
+                       $date_sort_field = "last_published DESC";
+               } else if ($feed == -1 && !$is_cat) {
+                       $date_sort_field = "last_marked DESC";
                }
 
-               $qfh_ret = queryFeedHeadlines($this->link, $feed,
-                       $limit, $view_mode, $is_cat, $search, $search_mode,
-                       $match_on, "$date_sort_field DESC", 0, $owner_uid);
+               switch ($order) {
+               case "title":
+                       $date_sort_field = "ttrss_entries.title, date_entered, updated";
+                       break;
+               case "date_reverse":
+                       $date_sort_field = "date_entered, updated";
+                       break;
+               case "feed_dates":
+                       $date_sort_field = "updated DESC";
+                       break;
+               }
+
+               $params = array(
+                       "owner_uid" => $owner_uid,
+                       "feed" => $feed,
+                       "limit" => $limit,
+                       "view_mode" => $view_mode,
+                       "cat_view" => $is_cat,
+                       "search" => $search,
+                       "override_order" => $date_sort_field,
+                       "include_children" => true,
+                       "ignore_vfeed_group" => true,
+                       "offset" => $offset,
+                       "start_ts" => $start_ts
+               );
+
+               if (!$is_cat && is_numeric($feed) && $feed < PLUGIN_FEED_BASE_INDEX && $feed > LABEL_BASE_INDEX) {
+
+                       $user_plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
+
+                       $tmppluginhost = new PluginHost();
+                       $tmppluginhost->load(PLUGINS, PluginHost::KIND_ALL);
+                       $tmppluginhost->load($user_plugins, PluginHost::KIND_USER, $owner_uid);
+                       $tmppluginhost->load_data();
+
+                       $handler = $tmppluginhost->get_feed_handler(
+                               PluginHost::feed_to_pfeed_id($feed));
+
+                       if ($handler) {
+                               $qfh_ret = $handler->get_headlines(PluginHost::feed_to_pfeed_id($feed),
+                                       $options);
+                       }
+
+               } else {
+                       $qfh_ret = Feeds::queryFeedHeadlines($params);
+               }
 
                $result = $qfh_ret[0];
                $feed_title = htmlspecialchars($qfh_ret[1]);
                $feed_site_url = $qfh_ret[2];
-               $last_error = $qfh_ret[3];
+               /* $last_error = $qfh_ret[3]; */
 
                $feed_self_url = get_self_url_prefix() .
-                       "/public.php?op=rss&id=-2&key=" .
-                       get_feed_access_key($this->link, -2, false, $owner_uid);
+                       "/public.php?op=rss&id=$feed&key=" .
+                       get_feed_access_key($feed, false, $owner_uid);
 
                if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
 
-               $tpl = new MiniTemplator;
+               if ($format == 'atom') {
+                       $tpl = new MiniTemplator;
 
-               $tpl->readTemplateFromFile("templates/generated_feed.txt");
+                       $tpl->readTemplateFromFile("templates/generated_feed.txt");
 
-               $tpl->setVariable('FEED_TITLE', $feed_title, true);
-               $tpl->setVariable('VERSION', VERSION, true);
-               $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
+                       $tpl->setVariable('FEED_TITLE', $feed_title, true);
+                       $tpl->setVariable('VERSION', VERSION, true);
+                       $tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
 
-               if (PUBSUBHUBBUB_HUB && $feed == -2) {
-                       $tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
-                       $tpl->addBlock('feed_hub');
-               }
+                       $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
+                       while ($line = $result->fetch()) {
 
-               $tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
+                               $line["content_preview"] = sanitize(truncate_string(strip_tags($line["content"]), 100, '...'));
 
-               while ($line = db_fetch_assoc($result)) {
-                       $tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
-                       $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
-                       $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
-                       $tpl->setVariable('ARTICLE_EXCERPT',
-                               truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
+                               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
+                                       $line = $p->hook_query_headlines($line);
+                               }
+
+                               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_EXPORT_FEED) as $p) {
+                                       $line = $p->hook_article_export_feed($line, $feed, $is_cat);
+                               }
 
-                       $content = sanitize($this->link, $line["content_preview"], false, $owner_uid);
+                               $tpl->setVariable('ARTICLE_ID',
+                                       htmlspecialchars($orig_guid ? $line['link'] :
+                                                       $this->make_article_tag_uri($line['id'], $line['date_entered'])), true);
+                               $tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
+                               $tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
+                               $tpl->setVariable('ARTICLE_EXCERPT', $line["content_preview"], true);
 
-                       if ($line['note']) {
-                               $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
-                                       $content;
-                       }
+                               $content = sanitize($line["content"], false, $owner_uid,
+                                       $feed_site_url, false, $line["id"]);
 
-                       $tpl->setVariable('ARTICLE_CONTENT', $content, true);
+                               if ($line['note']) {
+                                       $content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
+                                               $content;
+                                       $tpl->setVariable('ARTICLE_NOTE', htmlspecialchars($line['note']), true);
+                               }
 
-                       $tpl->setVariable('ARTICLE_UPDATED_ATOM',
-                               date('c', strtotime($line["updated"])), true);
-                       $tpl->setVariable('ARTICLE_UPDATED_RFC822',
-                               date(DATE_RFC822, strtotime($line["updated"])), true);
+                               $tpl->setVariable('ARTICLE_CONTENT', $content, true);
 
-                       $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
+                               $tpl->setVariable('ARTICLE_UPDATED_ATOM',
+                                       date('c', strtotime($line["updated"])), true);
+                               $tpl->setVariable('ARTICLE_UPDATED_RFC822',
+                                       date(DATE_RFC822, strtotime($line["updated"])), true);
 
-                       $tags = get_article_tags($this->link, $line["id"], $owner_uid);
+                               $tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
 
-                       foreach ($tags as $tag) {
-                               $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
-                               $tpl->addBlock('category');
-                       }
+                               $tpl->setVariable('ARTICLE_SOURCE_LINK', htmlspecialchars($line['site_url'] ? $line["site_url"] : get_self_url_prefix()), true);
+                               $tpl->setVariable('ARTICLE_SOURCE_TITLE', htmlspecialchars($line['feed_title'] ? $line['feed_title'] : $feed_title), true);
+
+                               $tags = Article::get_article_tags($line["id"], $owner_uid);
+
+                               foreach ($tags as $tag) {
+                                       $tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
+                                       $tpl->addBlock('category');
+                               }
+
+                               $enclosures = Article::get_article_enclosures($line["id"]);
 
-                       $enclosures = get_article_enclosures($this->link, $line["id"]);
+                               foreach ($enclosures as $e) {
+                                       $type = htmlspecialchars($e['content_type']);
+                                       $url = htmlspecialchars($e['content_url']);
+                                       $length = $e['duration'] ? $e['duration'] : 1;
 
-                       foreach ($enclosures as $e) {
-                               $type = htmlspecialchars($e['content_type']);
-                               $url = htmlspecialchars($e['content_url']);
-                               $length = $e['duration'];
+                                       $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
+                                       $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
+                                       $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
 
-                               $tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
-                               $tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
-                               $tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
+                                       $tpl->addBlock('enclosure');
+                               }
 
-                               $tpl->addBlock('enclosure');
+                               $tpl->addBlock('entry');
                        }
 
-                       $tpl->addBlock('entry');
-               }
+                       $tmp = "";
+
+                       $tpl->addBlock('feed');
+                       $tpl->generateOutputToString($tmp);
+
+                       if (@!clean($_REQUEST["noxml"])) {
+                               header("Content-Type: text/xml; charset=utf-8");
+                       } else {
+                               header("Content-Type: text/plain; charset=utf-8");
+                       }
+
+                       print $tmp;
+               } else if ($format == 'json') {
 
-               $tmp = "";
+                       $feed = array();
 
-               $tpl->addBlock('feed');
-               $tpl->generateOutputToString($tmp);
+                       $feed['title'] = $feed_title;
+                       $feed['version'] = VERSION;
+                       $feed['feed_url'] = $feed_self_url;
+
+                       $feed['self_url'] = get_self_url_prefix();
+
+                       $feed['articles'] = array();
+
+                       while ($line = $result->fetch()) {
+
+                               $line["content_preview"] = sanitize(truncate_string(strip_tags($line["content_preview"]), 100, '...'));
+
+                               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
+                                       $line = $p->hook_query_headlines($line, 100);
+                               }
+
+                               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_EXPORT_FEED) as $p) {
+                                       $line = $p->hook_article_export_feed($line, $feed, $is_cat);
+                               }
 
-               print $tmp;
+                               $article = array();
+
+                               $article['id'] = $line['link'];
+                               $article['link']        = $line['link'];
+                               $article['title'] = $line['title'];
+                               $article['excerpt'] = $line["content_preview"];
+                               $article['content'] = sanitize($line["content"], false, $owner_uid, $feed_site_url, false, $line["id"]);
+                               $article['updated'] = date('c', strtotime($line["updated"]));
+
+                               if ($line['note']) $article['note'] = $line['note'];
+                               if ($article['author']) $article['author'] = $line['author'];
+
+                               $tags = Article::get_article_tags($line["id"], $owner_uid);
+
+                               if (count($tags) > 0) {
+                                       $article['tags'] = array();
+
+                                       foreach ($tags as $tag) {
+                                               array_push($article['tags'], $tag);
+                                       }
+                               }
+
+                               $enclosures = Article::get_article_enclosures($line["id"]);
+
+                               if (count($enclosures) > 0) {
+                                       $article['enclosures'] = array();
+
+                                       foreach ($enclosures as $e) {
+                                               $type = $e['content_type'];
+                                               $url = $e['content_url'];
+                                               $length = $e['duration'];
+
+                                               array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
+                                       }
+                               }
+
+                               array_push($feed['articles'], $article);
+                       }
+
+                       header("Content-Type: text/json; charset=utf-8");
+                       print json_encode($feed);
+
+               } else {
+                       header("Content-Type: text/plain; charset=utf-8");
+                       print json_encode(array("error" => array("message" => "Unknown format")));
+               }
        }
 
        function getUnread() {
-               $login = db_escape_string($_REQUEST["login"]);
-               $fresh = $_REQUEST["fresh"] == "1";
+               $login = clean($_REQUEST["login"]);
+               $fresh = clean($_REQUEST["fresh"]) == "1";
 
-               $result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$login'");
+               $sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE login = ?");
+               $sth->execute([$login]);
 
-               if (db_num_rows($result) == 1) {
-                       $uid = db_fetch_result($result, 0, "id");
+               if ($row = $sth->fetch()) {
+                       $uid = $row["id"];
 
-                       print getGlobalUnread($this->link, $uid);
+                       print Feeds::getGlobalUnread($uid);
 
                        if ($fresh) {
                                print ";";
-                               print getFeedArticles($this->link, -3, false, true, $uid);
+                               print Feeds::getFeedArticles(-3, false, true, $uid);
                        }
 
                } else {
                        print "-1;User not found";
                }
-
        }
 
        function getProfiles() {
-               $login = db_escape_string($_REQUEST["login"]);
-               $password = db_escape_string($_REQUEST["password"]);
+               $login = clean($_REQUEST["login"]);
 
-               if (authenticate_user($this->link, $login, $password)) {
-                       $result = db_query($this->link, "SELECT * FROM ttrss_settings_profiles
-                               WHERE owner_uid = " . $_SESSION["uid"] . " ORDER BY title");
+               $sth = $this->pdo->prepare("SELECT ttrss_settings_profiles.* FROM ttrss_settings_profiles,ttrss_users
+                       WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = ? ORDER BY title");
+               $sth->execute([$login]);
 
-                       print "<select style='width: 100%' name='profile'>";
+               print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
 
-                       print "<option value='0'>" . __("Default profile") . "</option>";
+               print "<option value='0'>" . __("Default profile") . "</option>";
 
-                       while ($line = db_fetch_assoc($result)) {
-                               $id = $line["id"];
-                               $title = $line["title"];
+               while ($line = $sth->fetch()) {
+                       $id = $line["id"];
+                       $title = $line["title"];
 
-                               print "<option value='$id'>$title</option>";
-                       }
+                       print "<option value='$id'>$title</option>";
+               }
+
+               print "</select>";
+       }
+
+       function logout() {
+               logout_user();
+               header("Location: index.php");
+       }
+
+       function share() {
+               $uuid = clean($_REQUEST["key"]);
+
+               $sth = $this->pdo->prepare("SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
+                       uuid = ?");
+               $sth->execute([$uuid]);
+
+               if ($row = $sth->fetch()) {
+                       header("Content-Type: text/html");
+
+                       $id = $row["ref_id"];
+                       $owner_uid = $row["owner_uid"];
 
-                       print "</select>";
+                       $article = Article::format_article($id, false, true, $owner_uid);
 
-                       $_SESSION = array();
+                       print_r($article['content']);
+
+               } else {
+                       print "Article not found.";
                }
+
        }
 
-       function pubsub() {
-               $mode = db_escape_string($_REQUEST['hub_mode']);
-               $feed_id = (int) db_escape_string($_REQUEST['id']);
-               $feed_url = db_escape_string($_REQUEST['hub_topic']);
+       function rss() {
+               $feed = clean($_REQUEST["id"]);
+               $key = clean($_REQUEST["key"]);
+               $is_cat = clean($_REQUEST["is_cat"]);
+               $limit = (int)clean($_REQUEST["limit"]);
+               $offset = (int)clean($_REQUEST["offset"]);
+
+               $search = clean($_REQUEST["q"]);
+               $view_mode = clean($_REQUEST["view-mode"]);
+               $order = clean($_REQUEST["order"]);
+               $start_ts = clean($_REQUEST["ts"]);
+
+               $format = clean($_REQUEST['format']);
+               $orig_guid = clean($_REQUEST["orig_guid"]);
+
+               if (!$format) $format = 'atom';
+
+               if (SINGLE_USER_MODE) {
+                       authenticate_user("admin", null);
+               }
+
+               $owner_id = false;
+
+               if ($key) {
+                       $sth = $this->pdo->prepare("SELECT owner_uid FROM
+                               ttrss_access_keys WHERE access_key = ? AND feed_id = ?");
+                       $sth->execute([$key, $feed]);
+
+                       if ($row = $sth->fetch())
+                               $owner_id = $row["owner_uid"];
+               }
 
-               if (!PUBSUBHUBBUB_ENABLED) {
-                       header('HTTP/1.0 404 Not Found');
-                       echo "404 Not found";
-                       return;
+               if ($owner_id) {
+                       $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
+                               $offset, $search, $view_mode, $format, $order, $orig_guid, $start_ts);
+               } else {
+                       header('HTTP/1.1 403 Forbidden');
                }
+       }
 
-               // TODO: implement hub_verifytoken checking
+       function updateTask() {
+               PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
+       }
 
-               $result = db_query($this->link, "SELECT feed_url FROM ttrss_feeds
-                       WHERE id = '$feed_id'");
+       function housekeepingTask() {
+               PluginHost::getInstance()->run_hooks(PluginHost::HOOK_HOUSE_KEEPING, "hook_house_keeping", false);
+       }
 
-               if (db_num_rows($result) != 0) {
+       function globalUpdateFeeds() {
+               RPC::updaterandomfeed_real();
 
-                       $check_feed_url = db_fetch_result($result, 0, "feed_url");
+               PluginHost::getInstance()->run_hooks(PluginHost::HOOK_UPDATE_TASK, "hook_update_task", false);
+       }
 
-                       if ($check_feed_url && ($check_feed_url == $feed_url || !$feed_url)) {
-                               if ($mode == "subscribe") {
+       function sharepopup() {
+               if (SINGLE_USER_MODE) {
+                       login_sequence();
+               }
 
-                                       db_query($this->link, "UPDATE ttrss_feeds SET pubsub_state = 2
-                                               WHERE id = '$feed_id'");
+               header('Content-Type: text/html; charset=utf-8');
+               print "<html><head><title>Tiny Tiny RSS</title>
+               <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
+               <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
 
-                                       print $_REQUEST['hub_challenge'];
-                                       return;
+               echo stylesheet_tag("css/default.css");
+               echo javascript_tag("lib/prototype.js");
+               echo javascript_tag("lib/scriptaculous/scriptaculous.js?load=effects,controls");
+               print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
+                       </head><body id='sharepopup' class='ttrss_utility'>";
 
-                               } else if ($mode == "unsubscribe") {
+               $action = clean($_REQUEST["action"]);
 
-                                       db_query($this->link, "UPDATE ttrss_feeds SET pubsub_state = 0
-                                               WHERE id = '$feed_id'");
+               if ($_SESSION["uid"]) {
 
-                                       print $_REQUEST['hub_challenge'];
-                                       return;
+                       if ($action == 'share') {
 
-                               } else if (!$mode) {
+                               $title = strip_tags(clean($_REQUEST["title"]));
+                               $url = strip_tags(clean($_REQUEST["url"]));
+                               $content = strip_tags(clean($_REQUEST["content"]));
+                               $labels = strip_tags(clean($_REQUEST["labels"]));
 
-                                       // Received update ping, schedule feed update.
-                                       //update_rss_feed($this->link, $feed_id, true, true);
+                               Article::create_published_article($title, $url, $content, $labels,
+                                       $_SESSION["uid"]);
 
-                                       db_query($this->link, "UPDATE ttrss_feeds SET
-                                               last_update_started = '1970-01-01',
-                                               last_updated = '1970-01-01' WHERE id = '$feed_id'");
+                               print "<script type='text/javascript'>";
+                               print "window.close();";
+                               print "</script>";
 
-                               }
                        } else {
-                               header('HTTP/1.0 404 Not Found');
-                               echo "404 Not found";
+                               $title = htmlspecialchars(clean($_REQUEST["title"]));
+                               $url = htmlspecialchars(clean($_REQUEST["url"]));
+
+                               ?>
+
+                               <table height='100%' width='100%'><tr><td colspan='2'>
+                               <h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
+                               </td></tr>
+
+                               <form id='share_form' name='share_form'>
+
+                               <input type="hidden" name="op" value="sharepopup">
+                               <input type="hidden" name="action" value="share">
+
+                               <tr><td align='right'><?php echo __("Title:") ?></td>
+                               <td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
+                               <tr><td align='right'><?php echo __("URL:") ?></td>
+                               <td><input name='url' value="<?php echo $url ?>"></td></tr>
+                               <tr><td align='right'><?php echo __("Content:") ?></td>
+                               <td><input name='content' value=""></td></tr>
+                               <tr><td align='right'><?php echo __("Labels:") ?></td>
+                               <td><input name='labels' id="labels_value"
+                                       placeholder='Alpha, Beta, Gamma' value="">
+                               </td></tr>
+
+                               <tr><td>
+                                       <div class="autocomplete" id="labels_choices"
+                                               style="display : block"></div></td></tr>
+
+                               <script type='text/javascript'>document.forms[0].title.focus();</script>
+
+                               <script type='text/javascript'>
+                                       new Ajax.Autocompleter('labels_value', 'labels_choices',
+                                  "backend.php?op=rpc&method=completeLabels",
+                                  { tokens: ',', paramName: "search" });
+                               </script>
+
+                               <tr><td colspan='2'>
+                                       <div style='float : right' class='insensitive-small'>
+                                       <?php echo __("Shared article will appear in the Published feed.") ?>
+                                       </div>
+                                       <button type="submit"><?php echo __('Share') ?></button>
+                                       <button onclick="return window.close()"><?php echo __('Cancel') ?></button>
+                                       </td>
+
+                               </form>
+                               </td></tr></table>
+                               </body></html>
+                               <?php
+
                        }
+
                } else {
-                       header('HTTP/1.0 404 Not Found');
-                       echo "404 Not found";
-               }
 
-       }
+                       $return = urlencode($_SERVER["REQUEST_URI"])
+                       ?>
 
-       function logout() {
-               logout_user();
-               header("Location: index.php");
-       }
+                       <form action="public.php?return=<?php echo $return ?>"
+                               method="POST" id="loginForm" name="loginForm">
 
-       function fbexport() {
+                       <input type="hidden" name="op" value="login">
 
-               $access_key = db_escape_string($_POST["key"]);
+                       <table height='100%' width='100%'><tr><td colspan='2'>
+                       <h1><?php echo __("Not logged in") ?></h1></td></tr>
 
-               // TODO: rate limit checking using last_connected
-               $result = db_query($this->link, "SELECT id FROM ttrss_linked_instances
-                       WHERE access_key = '$access_key'");
+                       <tr><td align="right"><?php echo __("Login:") ?></td>
+                       <td align="right"><input name="login"
+                               value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
+                               <tr><td align="right"><?php echo __("Password:") ?></td>
+                               <td align="right"><input type="password" name="password"
+                               value="<?php echo $_SESSION["fake_password"] ?>"></td></tr>
+                       <tr><td colspan='2'>
+                               <button type="submit">
+                                       <?php echo __('Log in') ?></button>
 
-               if (db_num_rows($result) == 1) {
+                               <button onclick="return window.close()">
+                                       <?php echo __('Cancel') ?></button>
+                       </td></tr>
+                       </table>
 
-                       $instance_id = db_fetch_result($result, 0, "id");
+                       </form>
+                       <?php
+               }
+       }
 
-                       $result = db_query($this->link, "SELECT feed_url, site_url, title, subscribers
-                               FROM ttrss_feedbrowser_cache ORDER BY subscribers DESC LIMIT 100");
+       function login() {
+               if (!SINGLE_USER_MODE) {
 
-                       $feeds = array();
+                       $login = clean($_POST["login"]);
+                       $password = clean($_POST["password"]);
+                       $remember_me = clean($_POST["remember_me"]);
 
-                       while ($line = db_fetch_assoc($result)) {
-                               array_push($feeds, $line);
+                       if ($remember_me) {
+                               session_set_cookie_params(SESSION_COOKIE_LIFETIME);
+                       } else {
+                               session_set_cookie_params(0);
                        }
 
-                       db_query($this->link, "UPDATE ttrss_linked_instances SET
-                               last_status_in = 1 WHERE id = '$instance_id'");
+                       if (authenticate_user($login, $password)) {
+                               $_POST["password"] = "";
 
-                       print json_encode(array("feeds" => $feeds));
-               } else {
-                       print json_encode(array("error" => array("code" => 6)));
+                               if (get_schema_version() >= 120) {
+                                       $_SESSION["language"] = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
+                               }
+
+                               $_SESSION["ref_schema_version"] = get_schema_version(true);
+                               $_SESSION["bw_limit"] = !!clean($_POST["bw_limit"]);
+
+                               if (clean($_POST["profile"])) {
+
+                                       $profile = clean($_POST["profile"]);
+
+                                       $sth = $this->pdo->prepare("SELECT id FROM ttrss_settings_profiles
+                                               WHERE id = ? AND owner_uid = ?");
+                                       $sth->execute([$profile, $_SESSION['uid']]);
+
+                                       if ($sth->fetch()) {
+                                               $_SESSION["profile"] = $profile;
+                                       }
+                               }
+                       } else {
+
+                               // start an empty session to deliver login error message
+                               @session_start();
+
+                               if (!isset($_SESSION["login_error_msg"]))
+                                       $_SESSION["login_error_msg"] = __("Incorrect username or password");
+
+                               user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
+                       }
+
+                       if (clean($_REQUEST['return'])) {
+                               header("Location: " . clean($_REQUEST['return']));
+                       } else {
+                               header("Location: " . get_self_url_prefix());
+                       }
                }
        }
 
-       function share() {
-               $uuid = db_escape_string($_REQUEST["key"]);
+       /* function subtest() {
+               header("Content-type: text/plain; charset=utf-8");
 
-               $result = db_query($this->link, "SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
-                       uuid = '$uuid'");
+               $url = clean($_REQUEST["url"]);
 
-               if (db_num_rows($result) != 0) {
-                       header("Content-Type: text/html");
+               print "$url\n\n";
 
-                       $id = db_fetch_result($result, 0, "ref_id");
-                       $owner_uid = db_fetch_result($result, 0, "owner_uid");
 
-                       $article = format_article($this->link, $id, false, true, $owner_uid);
+               print_r(get_feeds_from_html($url, fetch_file_contents($url)));
 
-                       print_r($article['content']);
+       } */
+
+       function subscribe() {
+               if (SINGLE_USER_MODE) {
+                       login_sequence();
+               }
+
+               if ($_SESSION["uid"]) {
+
+                       $feed_url = trim(clean($_REQUEST["feed_url"]));
+
+                       header('Content-Type: text/html; charset=utf-8');
+                       print "<html>
+                               <head>
+                                       <title>Tiny Tiny RSS</title>";
+                       print stylesheet_tag("css/default.css");
+
+            print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
+                <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
+                <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
+
+                               </head>
+                               <body class='claro ttrss_utility'>
+                               <img class=\"floatingLogo\" src=\"images/logo_small.png\"
+                                       alt=\"Tiny Tiny RSS\"/>
+                                       <h1>".__("Subscribe to feed...")."</h1><div class='content'>";
+
+                       $rc = Feeds::subscribe_to_feed($feed_url);
+
+                       switch ($rc['code']) {
+                       case 0:
+                               print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
+                               break;
+                       case 1:
+                               print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
+                               break;
+                       case 2:
+                               print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
+                               break;
+                       case 3:
+                               print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
+                               break;
+                       case 4:
+                               print_notice(__("Multiple feed URLs found."));
+                               $feed_urls = $rc["feeds"];
+                               break;
+                       case 5:
+                               print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
+                               break;
+                       }
+
+                       if ($feed_urls) {
+
+                               print "<form action=\"public.php\">";
+                               print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
+
+                               print "<select name=\"feed_url\">";
+
+                               foreach ($feed_urls as $url => $name) {
+                                       $url = htmlspecialchars($url);
+                                       $name = htmlspecialchars($name);
+
+                                       print "<option value=\"$url\">$name</option>";
+                               }
+
+                               print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
+                                       "\">";
+
+                               print "</form>";
+                       }
+
+                       $tp_uri = get_self_url_prefix() . "/prefs.php";
+                       $tt_uri = get_self_url_prefix();
+
+                       if ($rc['code'] <= 2){
+                           $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE
+                                       feed_url = ? AND owner_uid = ?");
+                           $sth->execute([$feed_url, $_SESSION['uid']]);
+                           $row = $sth->fetch();
+
+                               $feed_id = $row["id"];
+                       } else {
+                               $feed_id = 0;
+                       }
+                       print "<p>";
+
+                       if ($feed_id) {
+                               print "<form method=\"GET\" style='display: inline'
+                                       action=\"$tp_uri\">
+                                       <input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
+                                       <input type=\"hidden\" name=\"method\" value=\"editFeed\">
+                                       <input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
+                                       <input type=\"submit\" value=\"".__("Edit subscription options")."\">
+                                       </form>";
+                       }
+
+                       print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
+                               <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
+                               </form></p>";
+
+                       print "</div></body></html>";
 
                } else {
-                       print "Article not found.";
+                       render_login_form();
                }
+       }
 
+       function index() {
+               header("Content-Type: text/plain");
+               print error_json(13);
        }
 
-       function rss() {
-               header("Content-Type: text/xml; charset=utf-8");
+       function forgotpass() {
+               startup_gettext();
 
-               $feed = db_escape_string($_REQUEST["id"]);
-               $key = db_escape_string($_REQUEST["key"]);
-               $is_cat = $_REQUEST["is_cat"] != false;
-               $limit = (int)db_escape_string($_REQUEST["limit"]);
+               @$hash = clean($_REQUEST["hash"]);
 
-               $search = db_escape_string($_REQUEST["q"]);
-               $match_on = db_escape_string($_REQUEST["m"]);
-               $search_mode = db_escape_string($_REQUEST["smode"]);
-               $view_mode = db_escape_string($_REQUEST["view-mode"]);
+               header('Content-Type: text/html; charset=utf-8');
+               print "<html><head><title>Tiny Tiny RSS</title>
+               <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
+               <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">";
+
+               echo stylesheet_tag("lib/dijit/themes/claro/claro.css");
+               echo stylesheet_tag("css/default.css");
+               echo javascript_tag("lib/prototype.js");
+
+               print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
+                       </head><body class='claro ttrss_utility'>";
+
+               print '<div class="floatingLogo"><img src="images/logo_small.png"></div>';
+               print "<h1>".__("Password recovery")."</h1>";
+               print "<div class='content'>";
+
+               @$method = clean($_POST['method']);
+
+               if ($hash) {
+                       $login = clean($_REQUEST["login"]);
+
+                       if ($login) {
+                               $sth = $this->pdo->prepare("SELECT id, resetpass_token FROM ttrss_users
+                                       WHERE login = ?");
+                               $sth->execute([$login]);
+
+                               if ($row = $sth->fetch()) {
+                                       $id = $row["id"];
+                                       $resetpass_token_full = $row["resetpass_token"];
+                                       list($timestamp, $resetpass_token) = explode(":", $resetpass_token_full);
+
+                                       if ($timestamp && $resetpass_token &&
+                                               $timestamp >= time() - 15*60*60 &&
+                                               $resetpass_token == $hash) {
+
+                                                       $sth = $this->pdo->prepare("UPDATE ttrss_users SET resetpass_token = NULL
+                                                               WHERE id = ?");
+                                                       $sth->execute([$id]);
+
+                                                       Pref_Users::resetUserPassword($id, true);
+
+                                                       print "<p>"."Completed."."</p>";
+
+                                       } else {
+                                               print_error("Some of the information provided is missing or incorrect.");
+                                       }
+                               } else {
+                                       print_error("Some of the information provided is missing or incorrect.");
+                               }
+                       } else {
+                               print_error("Some of the information provided is missing or incorrect.");
+                       }
+
+                       print "<form method=\"GET\" action=\"index.php\">
+                               <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
+                               </form>";
+
+               } else if (!$method) {
+                       print_notice(__("You will need to provide valid account name and email. A password reset link will be sent to your email address."));
+
+                       print "<form method='POST' action='public.php'>";
+                       print "<input type='hidden' name='method' value='do'>";
+                       print "<input type='hidden' name='op' value='forgotpass'>";
+
+                       print "<fieldset>";
+                       print "<label>".__("Login:")."</label>";
+                       print "<input class='input input-text' type='text' name='login' value='' required>";
+                       print "</fieldset>";
+
+                       print "<fieldset>";
+                       print "<label>".__("Email:")."</label>";
+                       print "<input class='input input-text' type='email' name='email' value='' required>";
+                       print "</fieldset>";
+
+                       print "<fieldset>";
+                       print "<label>".__("How much is two plus two:")."</label>";
+                       print "<input class='input input-text' type='text' name='test' value='' required>";
+                       print "</fieldset>";
+
+                       print "<p/>";
+                       print "<button type='submit'>".__("Reset password")."</button>";
+
+                       print "</form>";
+               } else if ($method == 'do') {
+
+                       $login = clean($_POST["login"]);
+                       $email = clean($_POST["email"]);
+                       $test = clean($_POST["test"]);
+
+                       if (($test != 4 && $test != 'four') || !$email || !$login) {
+                               print_error(__('Some of the required form parameters are missing or incorrect.'));
+
+                               print "<form method=\"GET\" action=\"public.php\">
+                                       <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
+                                       <input type=\"submit\" value=\"".__("Go back")."\">
+                                       </form>";
+
+                       } else {
+
+                               print_notice("Password reset instructions are being sent to your email address.");
+
+                               $sth = $this->pdo->prepare("SELECT id FROM ttrss_users
+                                       WHERE login = ? AND email = ?");
+                               $sth->execute([$login, $email]);
+
+                               if ($row = $sth->fetch()) {
+                                       $id = $row["id"];
+
+                                       if ($id) {
+                                               $resetpass_token = sha1(get_random_bytes(128));
+                                               $resetpass_link = get_self_url_prefix() . "/public.php?op=forgotpass&hash=" . $resetpass_token .
+                                                       "&login=" . urlencode($login);
+
+                                               require_once 'classes/ttrssmailer.php';
+                                               require_once "lib/MiniTemplator.class.php";
+
+                                               $tpl = new MiniTemplator;
+
+                                               $tpl->readTemplateFromFile("templates/resetpass_link_template.txt");
+
+                                               $tpl->setVariable('LOGIN', $login);
+                                               $tpl->setVariable('RESETPASS_LINK', $resetpass_link);
+
+                                               $tpl->addBlock('message');
+
+                                               $message = "";
+
+                                               $tpl->generateOutputToString($message);
+
+                                               $mail = new ttrssMailer();
+
+                                               $rc = $mail->quickMail($email, $login,
+                                                       __("[tt-rss] Password reset request"),
+                                                       $message, false);
+
+                                               if (!$rc) print_error($mail->ErrorInfo);
+
+                                               $resetpass_token_full = time() . ":" . $resetpass_token;
+
+                                               $sth = $this->pdo->prepare("UPDATE ttrss_users
+                                                       SET resetpass_token = ?
+                                                       WHERE login = ? AND email = ?");
+
+                                               $sth->execute([$resetpass_token_full, $login, $email]);
+
+                                               //Pref_Users::resetUserPassword($id, false);
+
+                                               print "<p>";
+
+                                               print "<p>"."Completed."."</p>";
+                                       } else {
+                                               print_error("User ID not found.");
+                                       }
+
+                                       print "<form method=\"GET\" action=\"index.php\">
+                                               <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
+                                               </form>";
+
+                               } else {
+                                       print_error(__("Sorry, login and email combination not found."));
+
+                                       print "<form method=\"GET\" action=\"public.php\">
+                                               <input type=\"hidden\" name=\"op\" value=\"forgotpass\">
+                                               <input type=\"submit\" value=\"".__("Go back")."\">
+                                               </form>";
+
+                               }
+                       }
 
-               if (SINGLE_USER_MODE) {
-                       authenticate_user($this->link, "admin", null);
                }
 
-               $owner_id = false;
+               print "</div>";
+               print "</body>";
+               print "</html>";
 
-               if ($key) {
-                       $result = db_query($this->link, "SELECT owner_uid FROM
-                               ttrss_access_keys WHERE access_key = '$key' AND feed_id = '$feed'");
+       }
 
-                       if (db_num_rows($result) == 1)
-                               $owner_id = db_fetch_result($result, 0, "owner_uid");
+       function dbupdate() {
+               startup_gettext();
+
+               if (!SINGLE_USER_MODE && $_SESSION["access_level"] < 10) {
+                       $_SESSION["login_error_msg"] = __("Your access level is insufficient to run this script.");
+                       render_login_form();
+                       exit;
                }
 
-               if ($owner_id) {
-                       $this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
-                               $search, $search_mode, $match_on, $view_mode);
-               } else {
-                       header('HTTP/1.1 403 Forbidden');
+               ?><html>
+                       <head>
+                       <title>Database Updater</title>
+                       <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+                       <link rel="stylesheet" type="text/css" href="css/default.css"/>
+                       <link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
+                       <link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
+                       </head>
+                       <style type="text/css">
+                               span.ok { color : #009000; font-weight : bold; }
+                               span.err { color : #ff0000; font-weight : bold; }
+                       </style>
+               <body class="claro ttrss_utility">
+                       <script type='text/javascript'>
+                       function confirmOP() {
+                               return confirm("Update the database?");
+                       }
+                       </script>
+
+                       <div class="floatingLogo"><img src="images/logo_small.png"></div>
+
+                       <h1><?php echo __("Database Updater") ?></h1>
+
+                       <div class="content">
+
+                       <?php
+                               @$op = clean($_REQUEST["subop"]);
+                               $updater = new DbUpdater(Db::pdo(), DB_TYPE, SCHEMA_VERSION);
+
+                               if ($op == "performupdate") {
+                                       if ($updater->isUpdateRequired()) {
+
+                                               print "<h2>Performing updates</h2>";
+
+                                               print "<h3>Updating to schema version " . SCHEMA_VERSION . "</h3>";
+
+                                               print "<ul>";
+
+                                               for ($i = $updater->getSchemaVersion() + 1; $i <= SCHEMA_VERSION; $i++) {
+                                                       print "<li>Performing update up to version $i...";
+
+                                                       $result = $updater->performUpdateTo($i, true);
+
+                                                       if (!$result) {
+                                                               print "<span class='err'>FAILED!</span></li></ul>";
+
+                                                               print_warning("One of the updates failed. Either retry the process or perform updates manually.");
+                                                               print "<p><form method=\"GET\" action=\"index.php\">
+                                                               <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
+                                                               </form>";
+
+                                                               return;
+                                                       } else {
+                                                               print "<span class='ok'>OK!</span></li>";
+                                                       }
+                                               }
+
+                                               print "</ul>";
+
+                                               print_notice("Your Tiny Tiny RSS database is now updated to the latest version.");
+
+                                               print "<p><form method=\"GET\" action=\"index.php\">
+                                               <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
+                                               </form>";
+
+                                       } else {
+                                               print "<h2>Your database is up to date.</h2>";
+
+                                               print "<p><form method=\"GET\" action=\"index.php\">
+                                               <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
+                                               </form>";
+                                       }
+                               } else {
+                                       if ($updater->isUpdateRequired()) {
+
+                                               print "<h2>Database update required</h2>";
+
+                                               print_notice("<h4>".
+                                               sprintf("Your Tiny Tiny RSS database needs update to the latest version: %d to %d.",
+                                                       $updater->getSchemaVersion(), SCHEMA_VERSION).
+                                               "</h4>");
+
+                                               print_warning("Please backup your database before proceeding.");
+
+                                               print "<form method='POST'>
+                                                       <input type='hidden' name='subop' value='performupdate'>
+                                                       <input type='submit' onclick='return confirmOP()' value='".__("Perform updates")."'>
+                                               </form>";
+
+                                       } else {
+
+                                               print_notice("Tiny Tiny RSS database is up to date.");
+
+                                               print "<p><form method=\"GET\" action=\"index.php\">
+                                                       <input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
+                                               </form>";
+
+                                       }
+                               }
+                       ?>
+
+                       </div>
+                       </body>
+                       </html>
+               <?php
+       }
+
+       function cached_url() {
+               @$req_filename = basename($_GET['hash']);
+
+               // we don't need an extension to find the file, hash is a complete URL
+               $hash = preg_replace("/\.[^\.]*$/", "", $req_filename);
+
+               if ($hash) {
+
+                       $filename = CACHE_DIR . '/images/' . $hash;
+
+                       if (file_exists($filename)) {
+                               header("Content-Disposition: inline; filename=\"$req_filename\"");
+
+                               send_local_file($filename);
+
+                       } else {
+                               header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
+                               echo "File not found.";
+                       }
                }
        }
 
-       function globalUpdateFeeds() {
-               include "rssfuncs.php";
-               // Update all feeds needing a update.
-               update_daemon_common($this->link, 0, true, false);
+       private function make_article_tag_uri($id, $timestamp) {
+
+               $timestamp = date("Y-m-d", strtotime($timestamp));
+
+               return "tag:" . parse_url(get_self_url_prefix(), PHP_URL_HOST) . ",$timestamp:/$id";
+       }
+
+       // this should be used very carefully because this endpoint is exposed to unauthenticated users
+       // plugin data is not loaded because there's no user context and owner_uid/session may or may not be available
+       // in general, don't do anything user-related in here and do not modify $_SESSION
+       public function pluginhandler() {
+               $host = new PluginHost();
+
+               $plugin = basename(clean($_REQUEST["plugin"]));
+               $method = clean($_REQUEST["pmethod"]);
+
+               $host->load($plugin, PluginHost::KIND_USER, 0);
+               $host->load_data();
+
+               $pclass = $host->get_plugin($plugin);
+
+               if ($pclass) {
+                       if (method_exists($pclass, $method)) {
+                               if ($pclass->is_public_method($method)) {
+                                       $pclass->$method();
+                               } else {
+                                       header("Content-Type: text/json");
+                                       print error_json(6);
+                               }
+                       } else {
+                               header("Content-Type: text/json");
+                               print error_json(13);
+                       }
+               } else {
+                       header("Content-Type: text/json");
+                       print error_json(14);
+               }
        }
 }
 ?>