An unofficial mirror of the Tiny Tiny RSS, an open-source RSS feed reader and aggregator https://git.tt-rss.org/fox/tt-rss
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<?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 = sprintf("tt-rss_%s_%s.opml", $_SESSION["name"], date("Y-m-d"));
$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("themes/light.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'>";
Feeds::_add_cat("Imported feeds", $owner_uid);
$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, purge_interval
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"];
$purge_interval = (int)$fline["purge_interval"];
$ttrss_specific_qpart = "ttrssSortOrder=\"$order_id\" ttrssPurgeInterval=\"$purge_interval\" ttrssUpdateInterval=\"$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 $out;
}
function opml_export($filename, $owner_uid, $hide_private_feeds = false, $include_settings = true, $file_output = false) {
if (!$owner_uid) return;
if (!$file_output)
if (!isset($_REQUEST["debug"])) {
header("Content-type: application/xml+opml");
header("Content-Disposition: attachment; filename=$filename");
} 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=\"".Config::SCHEMA_VERSION."\">";
$sth = $this->pdo->prepare("SELECT pref_name, value FROM ttrss_user_prefs2 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=\"".Config::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=\"".Config::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 = $tmph->fetch(PDO::FETCH_ASSOC)) {
unset($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::_get_title(
$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::_get_cat_title($feed_id), true, false]);
} else {
array_push($match, [0, true, true]);
}
} else {
if ($feed_id) {
array_push($match, [Feeds::_get_title((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 = $tmph->fetch(PDO::FETCH_ASSOC)) {
unset($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));'),
$res); */
if ($file_output)
return file_put_contents($filename, $res) > 0;
else
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;
$purge_interval = (int) $attrs->getNamedItem('ttrssPurgeInterval')->nodeValue;
if (!$purge_interval) $purge_interval = 0;
$sth = $this->pdo->prepare("INSERT INTO ttrss_feeds
(title, feed_url, owner_uid, cat_id, site_url, order_id, update_interval, purge_interval) VALUES
(?, ?, ?, ?, ?, ?, ?, ?)");
$sth->execute([$feed_title, $feed_url, $owner_uid, $cat_id, $site_url, $order_id, $update_interval, $purge_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 %s...", $title));
foreach ($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:" : "") . $name);
} else {
if (!$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 = $row['id'];
array_push($match_on, $match_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 = $row['id'];
array_push($match_on, "CAT:$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) $root_node->attributes->getNamedItem('ttrssSortOrder')->nodeValue;
Feeds::_add_cat($cat_title, $_SESSION['uid'], $parent_id ? $parent_id : null, (int)$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;
$cat_title = false;
}
#$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 = (string)tempnam(Config::get(Config::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;
}
$loaded = false;
if (is_file($tmp_file)) {
$doc = new DOMDocument();
libxml_disable_entity_loader(false);
$loaded = $doc->load($tmp_file);
libxml_disable_entity_loader(true);
unlink($tmp_file);
} else if (empty($doc)) {
print_error(__('Error: unable to find moved OPML file.'));
return;
}
if ($loaded) {
$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 get_publish_url(){
return Config::get_self_url() .
"/public.php?op=publishOpml&key=" .
Feeds::_get_access_key('OPML:Publish', false, $_SESSION["uid"]);
}
function get_feed_category($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;
}
}
}