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|
<?php
class Opml extends Protected_Handler {
function csrf_ignore($method) {
$csrf_ignored = array("export", "import");
return array_search($method, $csrf_ignored) !== false;
}
function export() {
$output_name = $_REQUEST["filename"];
if (!$output_name) $output_name = "TinyTinyRSS.opml";
$show_settings = $_REQUEST["settings"];
$owner_uid = $_SESSION["uid"];
return $this->opml_export($output_name, $owner_uid, false, ($show_settings == 1));
}
function import() {
$owner_uid = $_SESSION["uid"];
header('Content-Type: text/html; charset=utf-8');
print "<html>
<head>
<link rel=\"stylesheet\" href=\"utility.css\" type=\"text/css\">
<title>".__("OPML Utility")."</title>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
</head>
<body>
<div class=\"floatingLogo\"><img src=\"images/logo_wide.png\"></div>
<h1>".__('OPML Utility')."</h1>";
add_feed_category($this->link, "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 "</body></html>";
}
// Export
private function opml_export_category($owner_uid, $cat_id, $hide_private_feeds=false) {
if ($cat_id) {
$cat_qpart = "parent_cat = '$cat_id'";
$feed_cat_qpart = "cat_id = '$cat_id'";
} else {
$cat_qpart = "parent_cat IS NULL";
$feed_cat_qpart = "cat_id IS NULL";
}
if ($hide_private_feeds)
$hide_qpart = "(private IS false AND auth_login = '' AND auth_pass = '')";
else
$hide_qpart = "true";
$out = "";
if ($cat_id) {
$result = db_query($this->link, "SELECT title FROM ttrss_feed_categories WHERE id = '$cat_id'
AND owner_uid = '$owner_uid'");
$cat_title = db_fetch_result($result, 0, "title");
}
if ($cat_title) $out .= "<outline title=\"$cat_title\">\n";
$result = db_query($this->link, "SELECT id,title
FROM ttrss_feed_categories WHERE
$cat_qpart AND owner_uid = '$owner_uid' ORDER BY order_id, title");
while ($line = db_fetch_assoc($result)) {
$title = htmlspecialchars($line["title"]);
$out .= $this->opml_export_category($owner_uid, $line["id"], $hide_private_feeds);
}
$feeds_result = db_query($this->link, "select title, feed_url, site_url
from ttrss_feeds where $feed_cat_qpart AND owner_uid = '$owner_uid' AND $hide_qpart
order by order_id, title");
while ($fline = db_fetch_assoc($feeds_result)) {
$title = htmlspecialchars($fline["title"]);
$url = htmlspecialchars($fline["feed_url"]);
$site_url = htmlspecialchars($fline["site_url"]);
if ($site_url) {
$html_url_qpart = "htmlUrl=\"$site_url\"";
} else {
$html_url_qpart = "";
}
$out .= "<outline text=\"$title\" xmlUrl=\"$url\" $html_url_qpart/>\n";
}
if ($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, false, $hide_private_feeds);
# export tt-rss settings
if ($include_settings) {
$out .= "<outline title=\"tt-rss-prefs\" schema-version=\"".SCHEMA_VERSION."\">";
$result = db_query($this->link, "SELECT pref_name, value FROM ttrss_user_prefs WHERE
profile IS NULL AND owner_uid = " . $_SESSION["uid"] . " ORDER BY pref_name");
while ($line = db_fetch_assoc($result)) {
$name = $line["pref_name"];
$value = htmlspecialchars($line["value"]);
$out .= "<outline pref-name=\"$name\" value=\"$value\"/>";
}
$out .= "</outline>";
$out .= "<outline title=\"tt-rss-labels\" schema-version=\"".SCHEMA_VERSION."\">";
$result = db_query($this->link, "SELECT * FROM ttrss_labels2 WHERE
owner_uid = " . $_SESSION['uid']);
while ($line = db_fetch_assoc($result)) {
$name = htmlspecialchars($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 title=\"tt-rss-filters\" schema-version=\"".SCHEMA_VERSION."\">";
$result = db_query($this->link, "SELECT filter_type,
reg_exp,
action_id,
enabled,
action_param,
inverse,
filter_param,
cat_filter,
ttrss_feeds.feed_url AS feed_url,
ttrss_feed_categories.title AS cat_title
FROM ttrss_filters
LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)
LEFT JOIN ttrss_feed_categories ON (ttrss_filters.cat_id = ttrss_feed_categories.id)
WHERE
ttrss_filters.owner_uid = " . $_SESSION['uid']);
while ($line = db_fetch_assoc($result)) {
$name = htmlspecialchars($line['reg_exp']);
foreach (array('enabled', 'inverse', 'cat_filter') as $b) {
$line[$b] = sql_bool_to_bool($line[$b]);
}
$filter = json_encode($line);
$out .= "<outline filter-name=\"$name\">$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 $res;
}
// Import
private function opml_import_feed($doc, $node, $cat_id, $owner_uid) {
$attrs = $node->attributes;
$feed_title = db_escape_string($attrs->getNamedItem('text')->nodeValue);
if (!$feed_title) $feed_title = db_escape_string($attrs->getNamedItem('title')->nodeValue);
$feed_url = db_escape_string($attrs->getNamedItem('xmlUrl')->nodeValue);
if (!$feed_url) $feed_url = db_escape_string($attrs->getNamedItem('xmlURL')->nodeValue);
$site_url = db_escape_string($attrs->getNamedItem('htmlUrl')->nodeValue);
if ($feed_url && $feed_title) {
$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
feed_url = '$feed_url' AND owner_uid = '$owner_uid'");
if (db_num_rows($result) == 0) {
#$this->opml_notice("[FEED] [$feed_title/$feed_url] dst_CAT=$cat_id");
$this->opml_notice(T_sprintf("Adding feed: %s", $feed_title));
$query = "INSERT INTO ttrss_feeds
(title, feed_url, owner_uid, cat_id, site_url, order_id) VALUES
('$feed_title', '$feed_url', '$owner_uid',
'$cat_id', '$site_url', 0)";
db_query($this->link, $query);
} else {
$this->opml_notice(T_sprintf("Duplicate feed: %s", $feed_title));
}
}
}
private function opml_import_label($doc, $node, $owner_uid) {
$attrs = $node->attributes;
$label_name = db_escape_string($attrs->getNamedItem('label-name')->nodeValue);
if ($label_name) {
$fg_color = db_escape_string($attrs->getNamedItem('label-fg-color')->nodeValue);
$bg_color = db_escape_string($attrs->getNamedItem('label-bg-color')->nodeValue);
if (!label_find_id($this->link, $label_name, $_SESSION['uid'])) {
$this->opml_notice(T_sprintf("Adding label %s", htmlspecialchars($label_name)));
label_create($this->link, $label_name, $fg_color, $bg_color);
} else {
$this->opml_notice(T_sprintf("Duplicate label: %s", htmlspecialchars($label_name)));
}
}
}
private function opml_import_preference($doc, $node, $owner_uid) {
$attrs = $node->attributes;
$pref_name = db_escape_string($attrs->getNamedItem('pref-name')->nodeValue);
if ($pref_name) {
$pref_value = db_escape_string($attrs->getNamedItem('value')->nodeValue);
$this->opml_notice(T_sprintf("Setting preference key %s to %s",
$pref_name, $pref_value));
set_pref($this->link, $pref_name, $pref_value);
}
}
private function opml_import_filter($doc, $node, $owner_uid) {
$attrs = $node->attributes;
$filter_name = db_escape_string($attrs->getNamedItem('filter-name')->nodeValue);
if ($filter_name) {
$filter = json_decode($node->nodeValue, true);
if ($filter) {
$reg_exp = db_escape_string($filter['reg_exp']);
$filter_type = (int)$filter['filter_type'];
$action_id = (int)$filter['action_id'];
$result = db_query($this->link, "SELECT id FROM ttrss_filters WHERE
reg_exp = '$reg_exp' AND
filter_type = '$filter_type' AND
action_id = '$action_id' AND
owner_uid = " .$_SESSION['uid']);
if (db_num_rows($result) == 0) {
$enabled = bool_to_sql_bool($filter['enabled']);
$action_param = db_escape_string($filter['action_param']);
$inverse = bool_to_sql_bool($filter['inverse']);
$filter_param = db_escape_string($filter['filter_param']);
$cat_filter = bool_to_sql_bool($filter['cat_filter']);
$feed_url = db_escape_string($filter['feed_url']);
$cat_title = db_escape_string($filter['cat_title']);
$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
feed_url = '$feed_url' AND owner_uid = $owner_uid");
if (db_num_rows($result) != 0) {
$feed_id = db_fetch_result($result, 0, "id");
} else {
$feed_id = "NULL";
}
$result = db_query($this->link, "SELECT id FROM ttrss_feed_categories WHERE
title = '$cat_title' AND owner_uid = $owner_uid");
if (db_num_rows($result) != 0) {
$cat_id = db_fetch_result($result, 0, "id");
} else {
$cat_id = "NULL";
}
$this->opml_notice(T_sprintf("Adding filter %s", htmlspecialchars($reg_exp)));
$query = "INSERT INTO ttrss_filters (filter_type, action_id,
enabled, inverse, action_param, filter_param,
cat_filter, feed_id,
cat_id, reg_exp,
owner_uid)
VALUES ($filter_type, $action_id,
$enabled, $inverse, '$action_param', '$filter_param',
$cat_filter, $feed_id,
$cat_id, '$reg_exp', ".
$_SESSION['uid'].")";
db_query($this->link, $query);
} else {
$this->opml_notice(T_sprintf("Duplicate filter %s", htmlspecialchars($reg_exp)));
}
}
}
}
private function opml_import_category($doc, $root_node, $owner_uid, $parent_id) {
$body = $doc->getElementsByTagName('body');
$default_cat_id = (int) get_feed_category($this->link, 'Imported feeds', false);
if ($root_node) {
$cat_title = db_escape_string($root_node->attributes->getNamedItem('title')->nodeValue);
if (!in_array($cat_title, array("tt-rss-filters", "tt-rss-labels", "tt-rss-prefs"))) {
$cat_id = get_feed_category($this->link, $cat_title, $parent_id);
db_query($this->link, "BEGIN");
if ($cat_id === false) {
add_feed_category($this->link, $cat_title, $parent_id);
$cat_id = get_feed_category($this->link, $cat_title, $parent_id);
}
db_query($this->link, "COMMIT");
} 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;
$node_cat_title = db_escape_string($attrs->getNamedItem('title')->nodeValue);
$node_feed_url = db_escape_string($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":
$this->opml_import_preference($doc, $node, $owner_uid);
break;
case "tt-rss-labels":
$this->opml_import_label($doc, $node, $owner_uid);
break;
case "tt-rss-filters":
$this->opml_import_filter($doc, $node, $owner_uid);
break;
default:
$this->opml_import_feed($doc, $node, $dst_cat_id, $owner_uid);
}
}
}
}
}
function opml_import($owner_uid) {
if (!$owner_uid) return;
$debug = isset($_REQUEST["debug"]);
$doc = false;
#if ($debug) $doc = DOMDocument::load("/tmp/test.opml");
if (is_file($_FILES['opml_file']['tmp_name'])) {
$doc = DOMDocument::load($_FILES['opml_file']['tmp_name']);
} else if (!$doc) {
print_error(__('Error: please upload OPML file.'));
return;
}
if ($doc) {
$this->opml_import_category($doc, false, $owner_uid, false);
} else {
print_error(__('Error while parsing document.'));
}
}
private function opml_notice($msg) {
print "$msg<br/>";
}
}
?>
|
