host = $host;
$this->pdo = Db::pdo();
$host->add_hook($host::HOOK_PREFS_TAB, $this);
$host->add_command("xml-import", "import articles from XML", $this, ":", "FILE");
}
function about() {
return array(1.0,
"Imports and exports user data using neutral XML format",
"fox");
}
private function bool_to_sql_bool($s) {
return $s ? 'true' : 'false';
}
function xml_import($args) {
$filename = $args['xml_import'];
if (!is_file($filename)) {
print "error: input filename ($filename) doesn't exist.\n";
return;
}
_debug("please enter your username:");
$username = db_escape_string(trim(read_stdin()));
_debug("importing $filename for user $username...\n");
$sth = $this->pdo->prepare("SELECT id FROM ttrss_users WHERE login = ?");
$sth->execute([$username]);
if ($sth->rowCount() == 0) {
print "error: could not find user $username.\n";
return;
}
$owner_uid = $sth->fetchColumn(0);
$this->perform_data_import($filename, $owner_uid);
}
function save() {
$example_value = db_escape_string($_POST["example_value"]);
echo "Value set to $example_value (not really)";
}
function get_prefs_js() {
return file_get_contents(dirname(__FILE__) . "/import_export.js");
}
function hook_prefs_tab($args) {
if ($args != "prefFeeds") return;
print "
";
print_notice(__("You can export and import your Starred and Archived articles for safekeeping or when migrating between tt-rss instances of same version."));
print "
";
print " ";
print "
";
print "";
print "";
print "";
print "
"; # pane
}
function csrf_ignore($method) {
return in_array($method, array("exportget"));
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
function before($method) {
return $_SESSION["uid"] != false;
}
function after() {
return true;
}
/**
* @SuppressWarnings(unused)
*/
function exportget() {
$exportname = CACHE_DIR . "/export/" .
sha1($_SESSION['uid'] . $_SESSION['login']) . ".xml";
if (file_exists($exportname)) {
header("Content-type: text/xml");
$timestamp_suffix = date("Y-m-d", filemtime($exportname));
if (function_exists('gzencode')) {
header("Content-Disposition: attachment; filename=TinyTinyRSS_exported_${timestamp_suffix}.xml.gz");
echo gzencode(file_get_contents($exportname));
} else {
header("Content-Disposition: attachment; filename=TinyTinyRSS_exported_${timestamp_suffix}.xml");
echo file_get_contents($exportname);
}
} else {
echo "File not found.";
}
}
function exportrun() {
$offset = (int) $_REQUEST['offset'];
$exported = 0;
$limit = 250;
if ($offset < 10000 && is_writable(CACHE_DIR . "/export")) {
$sth = $this->pdo->prepare("SELECT
ttrss_entries.guid,
ttrss_entries.title,
content,
marked,
published,
score,
note,
link,
tag_cache,
label_cache,
ttrss_feeds.title AS feed_title,
ttrss_feeds.feed_url AS feed_url,
ttrss_entries.updated
FROM
ttrss_user_entries LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = feed_id),
ttrss_entries
WHERE
(marked = true OR feed_id IS NULL) AND
ref_id = ttrss_entries.id AND
ttrss_user_entries.owner_uid = ?
ORDER BY ttrss_entries.id LIMIT ? OFFSET ?");
$sth->execute([$_SESSION['uid'], $limit, $offset]);
$exportname = sha1($_SESSION['uid'] . $_SESSION['login']);
if ($offset == 0) {
$fp = fopen(CACHE_DIR . "/export/$exportname.xml", "w");
fputs($fp, "");
} else {
$fp = fopen(CACHE_DIR . "/export/$exportname.xml", "a");
}
if ($fp) {
while ($line = $sth->fetch(PDO::FETCH_ASSOC)) {
fputs($fp, "");
foreach ($line as $k => $v) {
$v = str_replace("]]>", "]]]]>", $v);
fputs($fp, "<$k>");
}
fputs($fp, "");
}
$exported = $sth->rowCount();
if ($exported < $limit && $exported > 0) {
fputs($fp, "");
}
fclose($fp);
}
}
print json_encode(array("exported" => $exported));
}
function perform_data_import($filename, $owner_uid) {
$num_imported = 0;
$num_processed = 0;
$num_feeds_created = 0;
libxml_disable_entity_loader(false);
$doc = @DOMDocument::load($filename);
if (!$doc) {
$contents = file_get_contents($filename);
if ($contents) {
$data = @gzuncompress($contents);
}
if (!$data) {
$data = @gzdecode($contents);
}
if ($data)
$doc = DOMDocument::loadXML($data);
}
libxml_disable_entity_loader(true);
if ($doc) {
$xpath = new DOMXpath($doc);
$container = $doc->firstChild;
if ($container && $container->hasAttribute('schema-version')) {
$schema_version = $container->getAttribute('schema-version');
if ($schema_version != SCHEMA_VERSION) {
print "
" .__("Could not import: incorrect schema version.") . "
";
return;
}
} else {
print "
" . __("Could not import: unrecognized document format.") . "
";
return;
}
$articles = $xpath->query("//article");
foreach ($articles as $article_node) {
if ($article_node->childNodes) {
$ref_id = 0;
$article = array();
foreach ($article_node->childNodes as $child) {
if ($child->nodeName == 'content') {
$article[$child->nodeName] = db_escape_string($child->nodeValue, false);
} else if ($child->nodeName == 'label_cache') {
$article[$child->nodeName] = $child->nodeValue;
} else {
$article[$child->nodeName] = db_escape_string($child->nodeValue);
}
}
//print_r($article);
if ($article['guid']) {
++$num_processed;
//db_query("BEGIN");
//print 'GUID:' . $article['guid'] . "\n";
$sth = $this->pdo->prepare("SELECT id FROM ttrss_entries
WHERE guid = ?");
$sth->execute([$article['guid']]);
if ($sth->rowCount() == 0) {
$sth = $this->pdo->prepare(
"INSERT INTO ttrss_entries
(title,
guid,
link,
updated,
content,
content_hash,
no_orig_date,
date_updated,
date_entered,
comments,
num_comments,
author)
VALUES
(?,
?,
?,
?,
?,
?,
false,
NOW(),
NOW(),
'',
'0',
'')");
$sth->execute([
$article['title'],
$article['guid'],
$article['link'],
$article['updated'],
$article['content'],
sha1($article['content'])
]);
$sth = $this->pdo->prepare("SELECT id FROM ttrss_entries
WHERE guid = ?");
$sth->execute([$article['guid']]);
if ($sth->rowCount() != 0) {
$ref_id = $sth->fetchColumn(0);
}
} else {
$ref_id = $sth->fetchColumn(0);
}
//print "Got ref ID: $ref_id\n";
if ($ref_id) {
$feed_url = $article['feed_url'];
$feed_title = $article['feed_title'];
$feed = 'NULL';
if ($feed_url && $feed_title) {
$sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds
WHERE feed_url = ? AND owner_uid = ?");
$sth->execute([$feed_url, $owner_uid]);
if ($sth->rowCount() != 0) {
$feed = $sth->fetchColumn(0);
} else {
// try autocreating feed in Uncategorized...
$sth = $this->pdo->prepare("INSERT INTO ttrss_feeds (owner_uid,
feed_url, title) VALUES (?, ?, ?)");
$sth->execute([$owner_uid, $feed_url, $feed_title]);
$sth = $this->pdo->prepare("SELECT id FROM ttrss_feeds
WHERE feed_url = ? AND owner_uid = ?");
$sth->execute([$feed_url, $owner_uid]);
if ($sth->rowCount() != 0) {
++$num_feeds_created;
$feed = $sth->fetchColumn(0);
}
}
}
if ($feed != 'NULL')
$feed_qpart = "feed_id = $feed";
else
$feed_qpart = "feed_id IS NULL";
//print "$ref_id / $feed / " . $article['title'] . "\n";
$sth = $this->pdo->prepare("SELECT int_id FROM ttrss_user_entries
WHERE ref_id = ? AND owner_uid = ? AND ?");
$sth->execute([$ref_id, $owner_uid, $feed_qpart]);
if ($sth->rowCount() == 0) {
$marked = $this->bool_to_sql_bool(sql_bool_to_bool($article['marked']));
$published = $this->bool_to_sql_bool(sql_bool_to_bool($article['published']));
$score = (int) $article['score'];
$tag_cache = $article['tag_cache'];
$note = $article['note'];
//print "Importing " . $article['title'] . " ";
++$num_imported;
$sth = $this->pdo->prepare(
"INSERT INTO ttrss_user_entries
(ref_id, owner_uid, feed_id, unread, last_read, marked,
published, score, tag_cache, label_cache, uuid, note)
VALUES (?, ?, ?, false,
NULL, ?, ?, ?, ?,
'', '', ?)");
$sth->execute([$ref_id, $owner_uid, $feed, $marked, $published, $score, $tag_cache, $note]);
$label_cache = json_decode($article['label_cache'], true);
if (is_array($label_cache) && $label_cache["no-labels"] != 1) {
foreach ($label_cache as $label) {
Labels::create($label[1],
$label[2], $label[3], $owner_uid);
Labels::add_article($ref_id, $label[1], $owner_uid);
}
}
//db_query("COMMIT");
}
}
}
}
}
print "