<?php class Opml extends Handler_Protected { function csrf_ignore($method) { $csrf_ignored = array("export", "import"); return array_search($method, $csrf_ignored) !== false; } function export() { $output_name = "tt-rss_".date("Y-m-d").".opml"; $include_settings = $_REQUEST["include_settings"] == "1"; $owner_uid = $_SESSION["uid"]; $rc = $this->opml_export($output_name, $owner_uid, false, $include_settings); return $rc; } function import() { $owner_uid = $_SESSION["uid"]; header('Content-Type: text/html; charset=utf-8'); print "<html> <head> ".stylesheet_tag("css/default.css")." <title>".__("OPML Utility")."</title> <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/> </head> <body class='claro ttrss_utility'> <h1>".__('OPML Utility')."</h1><div class='content'>"; add_feed_category("Imported feeds"); $this->opml_notice(__("Importing OPML...")); $this->opml_import($owner_uid); print "<br><form method=\"GET\" action=\"prefs.php\"> <input type=\"submit\" value=\"".__("Return to preferences")."\"> </form>"; print "</div></body></html>"; } // Export private function opml_export_category($owner_uid, $cat_id, $hide_private_feeds = false, $include_settings = true) { $cat_id = (int) $cat_id; if ($hide_private_feeds) $hide_qpart = "(private IS false AND auth_login = '' AND auth_pass = '')"; else $hide_qpart = "true"; $out = ""; $ttrss_specific_qpart = ""; if ($cat_id) { $sth = $this->pdo->prepare("SELECT title,order_id FROM ttrss_feed_categories WHERE id = ? AND owner_uid = ?"); $sth->execute([$cat_id, $owner_uid]); $row = $sth->fetch(); $cat_title = htmlspecialchars($row['title']); if ($include_settings) { $order_id = (int)$row["order_id"]; $ttrss_specific_qpart = "ttrssSortOrder=\"$order_id\""; } } else { $cat_title = ""; } if ($cat_title) $out .= "<outline text=\"$cat_title\" $ttrss_specific_qpart>\n"; $sth = $this->pdo->prepare("SELECT id,title FROM ttrss_feed_categories WHERE (parent_cat = :cat OR (:cat = 0 AND parent_cat IS NULL)) AND owner_uid = :uid ORDER BY order_id, title"); $sth->execute([':cat' => $cat_id, ':uid' => $owner_uid]); while ($line = $sth->fetch()) { $out .= $this->opml_export_category($owner_uid, $line["id"], $hide_private_feeds, $include_settings); } $fsth = $this->pdo->prepare("select title, feed_url, site_url, update_interval, order_id FROM ttrss_feeds WHERE (cat_id = :cat OR (:cat = 0 AND cat_id IS NULL)) AND owner_uid = :uid AND $hide_qpart ORDER BY order_id, title"); $fsth->execute([':cat' => $cat_id, ':uid' => $owner_uid]); while ($fline = $fsth->fetch()) { $title = htmlspecialchars($fline["title"]); $url = htmlspecialchars($fline["feed_url"]); $site_url = htmlspecialchars($fline["site_url"]); if ($include_settings) { $update_interval = (int)$fline["update_interval"]; $order_id = (int)$fline["order_id"]; $ttrss_specific_qpart = "ttrssSortOrder=\"$order_id\" ttrssUpdateInterval=\"$update_interval\""; } else { $ttrss_specific_qpart = ""; } if ($site_url) { $html_url_qpart = "htmlUrl=\"$site_url\""; } else { $html_url_qpart = ""; } $out .= "<outline type=\"rss\" text=\"$title\" xmlUrl=\"$url\" $ttrss_specific_qpart $html_url_qpart/>\n"; } if ($cat_title) $out .= "</outline>\n"; return $out; } function opml_export($name, $owner_uid, $hide_private_feeds = false, $include_settings = true) { if (!$owner_uid) return; if (!isset($_REQUEST["debug"])) { header("Content-type: application/xml+opml"); header("Content-Disposition: attachment; filename=" . $name ); } else { header("Content-type: text/xml"); } $out = "<?xml version=\"1.0\" encoding=\"utf-8\"?".">"; $out .= "<opml version=\"1.0\">"; $out .= "<head> <dateCreated>" . date("r", time()) . "</dateCreated> <title>Tiny Tiny RSS Feed Export</title> </head>"; $out .= "<body>"; $out .= $this->opml_export_category($owner_uid, 0, $hide_private_feeds, $include_settings); # export tt-rss settings if ($include_settings) { $out .= "<outline text=\"tt-rss-prefs\" schema-version=\"".SCHEMA_VERSION."\">"; $sth = $this->pdo->prepare("SELECT pref_name, value FROM ttrss_user_prefs WHERE profile IS NULL AND owner_uid = ? ORDER BY pref_name"); $sth->execute([$owner_uid]); while ($line = $sth->fetch()) { $name = $line["pref_name"]; $value = htmlspecialchars($line["value"]); $out .= "<outline pref-name=\"$name\" value=\"$value\"/>"; } $out .= "</outline>"; $out .= "<outline text=\"tt-rss-labels\" schema-version=\"".SCHEMA_VERSION."\">"; $sth = $this->pdo->prepare("SELECT * FROM ttrss_labels2 WHERE owner_uid = ?"); $sth->execute([$owner_uid]); while ($line = $sth->fetch()) { $name = htmlspecialchars($line['caption']); $fg_color = htmlspecialchars($line['fg_color']); $bg_color = htmlspecialchars($line['bg_color']); $out .= "<outline label-name=\"$name\" label-fg-color=\"$fg_color\" label-bg-color=\"$bg_color\"/>"; } $out .= "</outline>"; $out .= "<outline text=\"tt-rss-filters\" schema-version=\"".SCHEMA_VERSION."\">"; $sth = $this->pdo->prepare("SELECT * FROM ttrss_filters2 WHERE owner_uid = ? ORDER BY id"); $sth->execute([$owner_uid]); while ($line = $sth->fetch()) { $line["rules"] = array(); $line["actions"] = array(); $tmph = $this->pdo->prepare("SELECT * FROM ttrss_filters2_rules WHERE filter_id = ?"); $tmph->execute([$line['id']]); while ($tmp_line = $tmph->fetch()) { unset($tmp_line["id"]); unset($tmp_line["filter_id"]); $cat_filter = $tmp_line["cat_filter"]; if (!$tmp_line["match_on"]) { if ($cat_filter && $tmp_line["cat_id"] || $tmp_line["feed_id"]) { $tmp_line["feed"] = Feeds::getFeedTitle( $cat_filter ? $tmp_line["cat_id"] : $tmp_line["feed_id"], $cat_filter); } else { $tmp_line["feed"] = ""; } } else { $match = []; foreach (json_decode($tmp_line["match_on"], true) as $feed_id) { if (strpos($feed_id, "CAT:") === 0) { $feed_id = (int)substr($feed_id, 4); if ($feed_id) { array_push($match, [Feeds::getCategoryTitle($feed_id), true, false]); } else { array_push($match, [0, true, true]); } } else { if ($feed_id) { array_push($match, [Feeds::getFeedTitle((int)$feed_id), false, false]); } else { array_push($match, [0, false, true]); } } } $tmp_line["match"] = $match; unset($tmp_line["match_on"]); } unset($tmp_line["feed_id"]); unset($tmp_line["cat_id"]); array_push($line["rules"], $tmp_line); } $tmph = $this->pdo->prepare("SELECT * FROM ttrss_filters2_actions WHERE filter_id = ?"); $tmph->execute([$line['id']]); while ($tmp_line = $tmph->fetch()) { unset($tmp_line["id"]); unset($tmp_line["filter_id"]); array_push($line["actions"], $tmp_line); } unset($line["id"]); unset($line["owner_uid"]); $filter = json_encode($line); $out .= "<outline filter-type=\"2\"><![CDATA[$filter]]></outline>"; } $out .= "</outline>"; } $out .= "</body></opml>"; // Format output. $doc = new DOMDocument(); $doc->formatOutput = true; $doc->preserveWhiteSpace = false; $doc->loadXML($out); $xpath = new DOMXpath($doc); $outlines = $xpath->query("//outline[@title]"); // cleanup empty categories foreach ($outlines as $node) { if ($node->getElementsByTagName('outline')->length == 0) $node->parentNode->removeChild($node); } $res = $doc->saveXML(); /* // saveXML uses a two-space indent. Change to tabs. $res = preg_replace_callback('/^(?: )+/mu', create_function( '$matches', 'return str_repeat("\t", intval(strlen($matches[0])/2));'), $res); */ print $res; } // Import private function opml_import_feed($node, $cat_id, $owner_uid) { $attrs = $node->attributes; $feed_title = mb_substr($attrs->getNamedItem('text')->nodeValue, 0, 250); if (!$feed_title) $feed_title = mb_substr($attrs->getNamedItem('title')->nodeValue, 0, 250); $feed_url = $attrs->getNamedItem('xmlUrl')->nodeValue; if (!$feed_url) $feed_url = $attrs->getNamedItem('xmlURL')->nodeValue; $site_url = mb_substr($attrs->getNamedItem('htmlUrl')->nodeValue, 0, 250); if ($feed_url) { $sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE feed_url = ? AND owner_uid = ?"); $sth->execute([$feed_url, $owner_uid]); if (!$feed_title) $feed_title = '[Unknown]'; if (!$sth->fetch()) { #$this->opml_notice("[FEED] [$feed_title/$feed_url] dst_CAT=$cat_id"); $this->opml_notice(T_sprintf("Adding feed: %s", $feed_title == '[Unknown]' ? $feed_url : $feed_title)); if (!$cat_id) $cat_id = null; $update_interval = (int) $attrs->getNamedItem('ttrssUpdateInterval')->nodeValue; if (!$update_interval) $update_interval = 0; $order_id = (int) $attrs->getNamedItem('ttrssSortOrder')->nodeValue; if (!$order_id) $order_id = 0; $sth = $this->pdo->prepare("INSERT INTO ttrss_feeds (title, feed_url, owner_uid, cat_id, site_url, order_id, update_interval) VALUES (?, ?, ?, ?, ?, ?, ?)"); $sth->execute([$feed_title, $feed_url, $owner_uid, $cat_id, $site_url, $order_id, $update_interval]); } else { $this->opml_notice(T_sprintf("Duplicate feed: %s", $feed_title == '[Unknown]' ? $feed_url : $feed_title)); } } } private function opml_import_label($node, $owner_uid) { $attrs = $node->attributes; $label_name = $attrs->getNamedItem('label-name')->nodeValue; if ($label_name) { $fg_color = $attrs->getNamedItem('label-fg-color')->nodeValue; $bg_color = $attrs->getNamedItem('label-bg-color')->nodeValue; if (!Labels::find_id($label_name, $_SESSION['uid'])) { $this->opml_notice(T_sprintf("Adding label %s", htmlspecialchars($label_name))); Labels::create($label_name, $fg_color, $bg_color, $owner_uid); } else { $this->opml_notice(T_sprintf("Duplicate label: %s", htmlspecialchars($label_name))); } } } private function opml_import_preference($node) { $attrs = $node->attributes; $pref_name = $attrs->getNamedItem('pref-name')->nodeValue; if ($pref_name) { $pref_value = $attrs->getNamedItem('value')->nodeValue; $this->opml_notice(T_sprintf("Setting preference key %s to %s", $pref_name, $pref_value)); set_pref($pref_name, $pref_value); } } private function opml_import_filter($node) { $attrs = $node->attributes; $filter_type = $attrs->getNamedItem('filter-type')->nodeValue; if ($filter_type == '2') { $filter = json_decode($node->nodeValue, true); if ($filter) { $match_any_rule = bool_to_sql_bool($filter["match_any_rule"]); $enabled = bool_to_sql_bool($filter["enabled"]); $inverse = bool_to_sql_bool($filter["inverse"]); $title = $filter["title"]; //print "F: $title, $inverse, $enabled, $match_any_rule"; $sth = $this->pdo->prepare("INSERT INTO ttrss_filters2 (match_any_rule,enabled,inverse,title,owner_uid) VALUES (?, ?, ?, ?, ?)"); $sth->execute([$match_any_rule, $enabled, $inverse, $title, $_SESSION['uid']]); $sth = $this->pdo->prepare("SELECT MAX(id) AS id FROM ttrss_filters2 WHERE owner_uid = ?"); $sth->execute([$_SESSION['uid']]); $row = $sth->fetch(); $filter_id = $row['id']; if ($filter_id) { $this->opml_notice(T_sprintf("Adding filter...")); foreach ($filter["rules"] as $rule) { $feed_id = null; $cat_id = null; if ($rule["match"]) { $match_on = []; foreach ($rule["match"] as $match) { list ($name, $is_cat, $is_id) = $match; if ($is_id) { array_push($match_on, ($is_cat ? "CAT:" : "") . $name); } else { $match_id = false; if (!$is_cat) { $tsth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE title = ? AND owner_uid = ?"); $tsth->execute([$name, $_SESSION['uid']]); if ($row = $tsth->fetch()) { $match_id = $row['id']; } } else { $tsth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories WHERE title = ? AND owner_uid = ?"); $tsth->execute([$name, $_SESSION['uid']]); if ($row = $tsth->fetch()) { $match_id = $row['id']; } } if ($match_id) array_push($match_on, $match_id); } } $reg_exp = $rule["reg_exp"]; $filter_type = (int)$rule["filter_type"]; $inverse = bool_to_sql_bool($rule["inverse"]); $match_on = json_encode($match_on); $usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_rules (feed_id,cat_id,match_on,filter_id,filter_type,reg_exp,cat_filter,inverse) VALUES (NULL, NULL, ?, ?, ?, ?, false, ?)"); $usth->execute([$match_on, $filter_id, $filter_type, $reg_exp, $inverse]); } else { if (!$rule["cat_filter"]) { $tsth = $this->pdo->prepare("SELECT id FROM ttrss_feeds WHERE title = ? AND owner_uid = ?"); $tsth->execute([$rule['feed'], $_SESSION['uid']]); if ($row = $tsth->fetch()) { $feed_id = $row['id']; } } else { $tsth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories WHERE title = ? AND owner_uid = ?"); $tsth->execute([$rule['feed'], $_SESSION['uid']]); if ($row = $tsth->fetch()) { $feed_id = $row['id']; } } $cat_filter = bool_to_sql_bool($rule["cat_filter"]); $reg_exp = $rule["reg_exp"]; $filter_type = (int)$rule["filter_type"]; $inverse = bool_to_sql_bool($rule["inverse"]); $usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_rules (feed_id,cat_id,filter_id,filter_type,reg_exp,cat_filter,inverse) VALUES (?, ?, ?, ?, ?, ?, ?)"); $usth->execute([$feed_id, $cat_id, $filter_id, $filter_type, $reg_exp, $cat_filter, $inverse]); } } foreach ($filter["actions"] as $action) { $action_id = (int)$action["action_id"]; $action_param = $action["action_param"]; $usth = $this->pdo->prepare("INSERT INTO ttrss_filters2_actions (filter_id,action_id,action_param) VALUES (?, ?, ?)"); $usth->execute([$filter_id, $action_id, $action_param]); } } } } } private function opml_import_category($doc, $root_node, $owner_uid, $parent_id) { $default_cat_id = (int) $this->get_feed_category('Imported feeds', false); if ($root_node) { $cat_title = mb_substr($root_node->attributes->getNamedItem('text')->nodeValue, 0, 250); if (!$cat_title) $cat_title = mb_substr($root_node->attributes->getNamedItem('title')->nodeValue, 0, 250); if (!in_array($cat_title, array("tt-rss-filters", "tt-rss-labels", "tt-rss-prefs"))) { $cat_id = $this->get_feed_category($cat_title, $parent_id); if ($cat_id === false) { $order_id = (int) $root_node->attributes->getNamedItem('ttrssSortOrder')->nodeValue; if (!$order_id) $order_id = 0; add_feed_category($cat_title, $parent_id, $order_id); $cat_id = $this->get_feed_category($cat_title, $parent_id); } } else { $cat_id = 0; } $outlines = $root_node->childNodes; } else { $xpath = new DOMXpath($doc); $outlines = $xpath->query("//opml/body/outline"); $cat_id = 0; } #$this->opml_notice("[CAT] $cat_title id: $cat_id P_id: $parent_id"); $this->opml_notice(T_sprintf("Processing category: %s", $cat_title ? $cat_title : __("Uncategorized"))); foreach ($outlines as $node) { if ($node->hasAttributes() && strtolower($node->tagName) == "outline") { $attrs = $node->attributes; $node_cat_title = $attrs->getNamedItem('text')->nodeValue; if (!$node_cat_title) $node_cat_title = $attrs->getNamedItem('title')->nodeValue; $node_feed_url = $attrs->getNamedItem('xmlUrl')->nodeValue; if ($node_cat_title && !$node_feed_url) { $this->opml_import_category($doc, $node, $owner_uid, $cat_id); } else { if (!$cat_id) { $dst_cat_id = $default_cat_id; } else { $dst_cat_id = $cat_id; } switch ($cat_title) { case "tt-rss-prefs": $this->opml_import_preference($node); break; case "tt-rss-labels": $this->opml_import_label($node, $owner_uid); break; case "tt-rss-filters": $this->opml_import_filter($node); break; default: $this->opml_import_feed($node, $dst_cat_id, $owner_uid); } } } } } function opml_import($owner_uid) { if (!$owner_uid) return; $doc = false; if ($_FILES['opml_file']['error'] != 0) { print_error(T_sprintf("Upload failed with error code %d", $_FILES['opml_file']['error'])); return; } if (is_uploaded_file($_FILES['opml_file']['tmp_name'])) { $tmp_file = tempnam(CACHE_DIR . '/upload', 'opml'); $result = move_uploaded_file($_FILES['opml_file']['tmp_name'], $tmp_file); if (!$result) { print_error(__("Unable to move uploaded file.")); return; } } else { print_error(__('Error: please upload OPML file.')); return; } if (is_file($tmp_file)) { $doc = new DOMDocument(); libxml_disable_entity_loader(false); $doc->load($tmp_file); libxml_disable_entity_loader(true); unlink($tmp_file); } else if (!$doc) { print_error(__('Error: unable to find moved OPML file.')); return; } if ($doc) { $this->pdo->beginTransaction(); $this->opml_import_category($doc, false, $owner_uid, false); $this->pdo->commit(); } else { print_error(__('Error while parsing document.')); } } private function opml_notice($msg) { print "$msg<br/>"; } static function opml_publish_url(){ $url_path = get_self_url_prefix(); $url_path .= "/opml.php?op=publish&key=" . get_feed_access_key('OPML:Publish', false, $_SESSION["uid"]); return $url_path; } function get_feed_category($feed_cat, $parent_cat_id = false) { $parent_cat_id = (int) $parent_cat_id; $sth = $this->pdo->prepare("SELECT id FROM ttrss_feed_categories WHERE title = :title AND (parent_cat = :parent OR (:parent = 0 AND parent_cat IS NULL)) AND owner_uid = :uid"); $sth->execute([':title' => $feed_cat, ':parent' => $parent_cat_id, ':uid' => $_SESSION['uid']]); if ($row = $sth->fetch()) { return $row['id']; } else { return false; } } }