339 lines
9.4 KiB
PHP
339 lines
9.4 KiB
PHP
<?php
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class Updater extends Plugin {
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private $link;
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private $host;
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function about() {
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return array(1.0,
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"Updates tt-rss installation to latest version.",
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"fox",
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true);
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}
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function init($host) {
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$this->link = $host->get_link();
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$this->host = $host;
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$host->add_hook($host::HOOK_PREFS_TAB, $this);
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$host->add_command("update-self",
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"update tt-rss installation to latest version",
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$this);
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}
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function update_self_step($link, $step, $params, $force = false) {
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// __FILE__ is in plugins/updater so we need to go one level up
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$work_dir = dirname(dirname(dirname(__FILE__)));
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$parent_dir = dirname($work_dir);
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$log = array();
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if (!is_array($params)) $params = array();
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$stop = false;
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if (!chdir($work_dir)) {
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array_push($log, "Unable to change to work directory: $work_dir");
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$stop = true;
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}
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if (!$stop) {
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switch ($step) {
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case 0:
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array_push($log, "Work directory: $work_dir");
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if (!is_writable($work_dir) && !is_writable("$parent_dir")) {
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$user = posix_getpwuid(posix_geteuid());
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$user = $user["name"];
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array_push($log, "Both tt-rss and parent directories should be writable as current user ($user).");
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$stop = true; break;
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}
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if (!file_exists("$work_dir/config.php") || !file_exists("$work_dir/include/sanity_check.php")) {
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array_push($log, "Work directory $work_dir doesn't look like tt-rss installation.");
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$stop = true; break;
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}
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if (!is_writable(sys_get_temp_dir())) {
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array_push($log, "System temporary directory should be writable as current user.");
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$stop = true; break;
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}
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array_push($log, "Checking for tar...");
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$system_rc = 0;
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system("which tar >/dev/null", $system_rc);
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if ($system_rc != 0) {
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array_push($log, "Could not run tar executable (RC=$system_rc).");
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$stop = true; break;
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}
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array_push($log, "Checking for gunzip...");
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$system_rc = 0;
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system("which gunzip >/dev/null", $system_rc);
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if ($system_rc != 0) {
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array_push($log, "Could not run gunzip executable (RC=$system_rc).");
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$stop = true; break;
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}
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array_push($log, "Checking for latest version...");
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$version_info = json_decode(fetch_file_contents("http://tt-rss.org/version.php"),
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true);
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if (!is_array($version_info)) {
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array_push($log, "Unable to fetch version information.");
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$stop = true; break;
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}
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$target_version = $version_info["version"];
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$target_dir = "$parent_dir/tt-rss-$target_version";
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array_push($log, "Target version: $target_version");
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$params["target_version"] = $target_version;
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if (version_compare(VERSION, $target_version) != -1 && !$force) {
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array_push($log, "Your Tiny Tiny RSS installation is up to date.");
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$stop = true; break;
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}
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if (file_exists($target_dir)) {
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array_push($log, "Target directory $target_dir already exists.");
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$stop = true; break;
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}
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break;
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case 1:
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$target_version = $params["target_version"];
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array_push($log, "Downloading checksums...");
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$md5sum_data = fetch_file_contents("http://tt-rss.org/download/md5sum.txt");
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if (!$md5sum_data) {
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array_push($log, "Could not download checksums.");
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$stop = true; break;
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}
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$md5sum_data = explode("\n", $md5sum_data);
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foreach ($md5sum_data as $line) {
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$pair = explode(" ", $line);
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if ($pair[1] == "tt-rss-$target_version.tar.gz") {
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$target_md5sum = $pair[0];
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break;
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}
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}
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if (!$target_md5sum) {
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array_push($log, "Unable to locate checksum for target version.");
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$stop = true; break;
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}
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$params["target_md5sum"] = $target_md5sum;
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break;
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case 2:
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$target_version = $params["target_version"];
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$target_md5sum = $params["target_md5sum"];
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array_push($log, "Downloading distribution tarball...");
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$tarball_url = "http://tt-rss.org/download/tt-rss-$target_version.tar.gz";
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$data = fetch_file_contents($tarball_url);
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if (!$data) {
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array_push($log, "Could not download distribution tarball ($tarball_url).");
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$stop = true; break;
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}
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array_push($log, "Verifying tarball checksum...");
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$test_md5sum = md5($data);
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if ($test_md5sum != $target_md5sum) {
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array_push($log, "Downloaded checksum doesn't match (got $test_md5sum, expected $target_md5sum).");
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$stop = true; break;
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}
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$tmp_file = tempnam(sys_get_temp_dir(), 'tt-rss');
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array_push($log, "Saving download to $tmp_file");
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if (!file_put_contents($tmp_file, $data)) {
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array_push($log, "Unable to save download.");
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$stop = true; break;
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}
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$params["tmp_file"] = $tmp_file;
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break;
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case 3:
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$tmp_file = $params["tmp_file"];
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$target_version = $params["target_version"];
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if (!chdir($parent_dir)) {
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array_push($log, "Unable to change into parent directory.");
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$stop = true; break;
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}
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$old_dir = tmpdirname($parent_dir, "tt-rss-old");
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array_push($log, "Renaming tt-rss directory to ".basename($old_dir));
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if (!rename($work_dir, $old_dir)) {
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array_push($log, "Unable to rename tt-rss directory.");
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$stop = true; break;
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}
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array_push($log, "Extracting tarball...");
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system("tar zxf $tmp_file", $system_rc);
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if ($system_rc != 0) {
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array_push($log, "Error while extracting tarball (RC=$system_rc).");
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$stop = true; break;
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}
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$target_dir = "$parent_dir/tt-rss-$target_version";
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array_push($log, "Renaming target directory...");
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if (!rename($target_dir, $work_dir)) {
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array_push($log, "Unable to rename target directory.");
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$stop = true; break;
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}
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if (!chdir($work_dir)) {
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array_push($log, "Unable to change to work directory: $work_dir");
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$stop = true; break;
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}
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array_push($log, "Copying config.php...");
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if (!copy("$old_dir/config.php", "$work_dir/config.php")) {
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array_push($log, "Unable to copy config.php to $work_dir.");
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$stop = true; break;
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}
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array_push($log, "Cleaning up...");
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unlink($tmp_file);
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array_push($log, "Fixing permissions...");
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$directories = array(
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CACHE_DIR,
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CACHE_DIR . "/export",
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CACHE_DIR . "/images",
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CACHE_DIR . "/simplepie",
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ICONS_DIR,
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LOCK_DIRECTORY);
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foreach ($directories as $dir) {
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array_push($log, "-> $dir");
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chmod($dir, 0777);
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}
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array_push($log, "Upgrade completed.");
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array_push($log, "Your old tt-rss directory is saved at $old_dir. ".
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"Please migrate locally modified files (if any) and remove it.");
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array_push($log, "You might need to re-enter current directory in shell to see new files.");
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$stop = true;
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break;
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default:
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$stop = true;
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}
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}
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return array("step" => $step, "stop" => $stop, "params" => $params, "log" => $log);
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}
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function update_self_cli($link, $force = false) {
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$step = 0;
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$stop = false;
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$params = array();
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while (!$stop) {
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$rc = $this->update_self_step($link, $step, $params, $force);
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$params = $rc['params'];
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$stop = $rc['stop'];
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foreach ($rc['log'] as $line) {
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_debug($line);
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}
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++$step;
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}
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}
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function update_self($args) {
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_debug("Warning: self-updating is experimental. Use at your own risk.");
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_debug("Please backup your tt-rss directory before continuing. Your database will not be modified.");
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_debug("Type 'yes' to continue.");
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if (read_stdin() != 'yes')
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exit;
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$this->update_self_cli($link, in_array("-force", $args));
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}
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function get_prefs_js() {
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return file_get_contents(dirname(__FILE__) . "/updater.js");
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}
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function hook_prefs_tab($args) {
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if ($args != "prefPrefs") return;
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if (($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
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print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Update Tiny Tiny RSS')."\">";
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if ($_SESSION["pref_last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
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$_SESSION["version_data"] = @check_for_update($this->link);
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$_SESSION["pref_last_version_check"] = time();
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}
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if (is_array($_SESSION["version_data"])) {
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$version = $_SESSION["version_data"]["version"];
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print_notice(T_sprintf("New version of Tiny Tiny RSS is available (%s).", "<b>$version</b>"));
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print "<p><button dojoType=\"dijit.form.Button\" onclick=\"return updateSelf()\">".
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__('Update Tiny Tiny RSS')."</button></p>";
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} else {
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print_notice(__("Your Tiny Tiny RSS installation is up to date."));
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}
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print "</div>"; #pane
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}
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}
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function updateSelf() {
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print "<form style='display : block' name='self_update_form' id='self_update_form'>";
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print "<div class='error'>".__("Do not close this dialog until updating is finished. Backup your tt-rss directory before continuing.")."</div>";
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print "<ul class='selfUpdateList' id='self_update_log'>";
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print "<li>" . __("Ready to update.") . "</li>";
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print "</ul>";
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print "<div class='dlgButtons'>";
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print "<button id=\"self_update_start_btn\" dojoType=\"dijit.form.Button\" onclick=\"return dijit.byId('updateSelfDlg').start()\" >".
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__("Start update")."</button>";
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print "<button id=\"self_update_stop_btn\" onclick=\"return dijit.byId('updateSelfDlg').close()\" dojoType=\"dijit.form.Button\">".
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__("Close this window")."</button>";
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print "</div>";
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print "</form>";
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}
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function performUpdate() {
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$step = (int) $_REQUEST["step"];
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$params = json_decode($_REQUEST["params"], true);
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$force = (bool) $_REQUEST["force"];
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if (($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) && CHECK_FOR_NEW_VERSION) {
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print json_encode($this->update_self_step($this->link, $step, $params, $force));
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}
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}
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}
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?>
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