implement web-based self updater (closes #395)
Andrew Dolgov
12 years ago
parent
1280612515
commit
808dd053c6
@ -1,167 +1,231 @@
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<?php
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function update_self($link, $force = false) {
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function update_self_step($link, $step, $params, $force = false) {
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// __FILE__ is in include/ so we need to go one level up
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$work_dir = dirname(dirname(__FILE__));
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$parent_dir = dirname($work_dir);
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if (!is_writable($work_dir) && !is_writable("$parent_dir")) {
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_debug("Both current and parent directories should be writable as current user.");
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exit;
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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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if (!file_exists("$work_dir/config.php") || !file_exists("$work_dir/include/sanity_check.php")) {
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_debug("Work directory $work_dir doesn't look like tt-rss installation.");
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exit;
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}
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$stop = false;
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$log = array();
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if (!is_array($params)) $params = array();
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if (!is_writable(sys_get_temp_dir())) {
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_debug("System temporary directory should be writable as current user.");
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exit;
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}
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switch ($step) {
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case 0:
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_debug("Checking for tar...");
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if (!is_writable($work_dir) && !is_writable("$parent_dir")) {
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array_push($log, "Both current and parent directories should be writable as current user.");
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$stop = true; break;
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}
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$system_rc = 0;
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system("tar --version >/dev/null", $system_rc);
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if (!file_exists("$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 ($system_rc != 0) {
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_debug("Could not run tar executable (RC=$system_rc).");
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exit;
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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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_debug("Checking for latest version...");
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array_push($log, "Checking for tar...");
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$version_info = json_decode(fetch_file_contents("http://tt-rss.org/version.php"),
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true);
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$system_rc = 0;
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system("tar --version >/dev/null", $system_rc);
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if (!is_array($version_info)) {
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_debug("Unable to fetch version information.");
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exit;
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}
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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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$target_version = $version_info["version"];
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$target_dir = "$parent_dir/tt-rss-$target_version";
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array_push($log, "Checking for latest version...");
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_debug("Target version: $target_version");
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$version_info = json_decode(fetch_file_contents("http://tt-rss.org/version.php"),
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true);
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if (version_compare(VERSION, $target_version) != -1 && !$force) {
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_debug("Your Tiny Tiny RSS installation is up to date.");
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exit;
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}
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if (file_exists($target_dir)) {
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_debug("Target directory $target_dir already exists.");
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exit;
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}
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if (!is_array($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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_debug("Downloading checksums...");
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$md5sum_data = fetch_file_contents("http://tt-rss.org/download/md5sum.txt");
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$target_version = $version_info["version"];
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$target_dir = "$parent_dir/tt-rss-$target_version";
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if (!$md5sum_data) {
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_debug("Could not download checksums.");
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exit;
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}
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array_push($log, "Target version: $target_version");
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$params["target_version"] = $target_version;
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$md5sum_data = explode("\n", $md5sum_data);
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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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$tarball_url = "http://tt-rss.org/download/tt-rss-$target_version.tar.gz";
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$data = fetch_file_contents($tarball_url);
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if (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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if (!$data) {
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_debug("Could not download distribution tarball ($tarball_url).");
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exit;
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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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$md5sum_data = fetch_file_contents("http://tt-rss.org/download/md5sum.txt");
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_debug("Verifying tarball checksum...");
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if (!$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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$target_md5sum = false;
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$md5sum_data = explode("\n", $md5sum_data);
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foreach ($md5sum_data as $line) {
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$pair = explode(" ", $line);
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foreach ($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 = $pair[0];
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break;
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if ($pair[1] == "tt-rss-$target_version.tar.gz") {
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$target_md5sum = $pair[0];
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break;
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}
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}
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}
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if (!$target_md5sum) {
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_debug("Unable to locate checksum for target version.");
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exit;
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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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$stop = true; break;
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}
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$test_md5sum = md5($data);
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$params["target_md5sum"] = $target_md5sum;
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if ($test_md5sum != $target_md5sum) {
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_debug("Downloaded checksum doesn't match (got $test_md5sum, expected $target_md5sum).");
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exit;
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}
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break;
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case 2:
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$target_version = $params["target_version"];
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$target_md5sum = $params["target_md5sum"];
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$tmp_file = tempnam(sys_get_temp_dir(), 'tt-rss');
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_debug("Saving download to $tmp_file");
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array_push($log, "Downloading distribution tarball...");
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if (!file_put_contents($tmp_file, $data)) {
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_debug("Unable to save download.");
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exit;
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}
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$tarball_url = "http://tt-rss.org/download/tt-rss-$target_version.tar.gz";
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$data = fetch_file_contents($tarball_url);
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if (!chdir($parent_dir)) {
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_debug("Unable to change into parent directory.");
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exit;
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}
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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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$old_dir = tmpdirname($parent_dir, "tt-rss-old");
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array_push($log, "Verifying tarball checksum...");
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_debug("Renaming tt-rss directory to ".basename($old_dir));
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if (!rename($work_dir, $old_dir)) {
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_debug("Unable to rename tt-rss directory.");
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exit;
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}
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$test_md5sum = md5($data);
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_debug("Extracting tarball...");
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system("tar zxf $tmp_file", $system_rc);
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if ($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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if ($system_rc != 0) {
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_debug("Error while extracting tarball (RC=$system_rc).");
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exit;
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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 $tmp_file");
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_debug("Renaming target directory...");
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if (!rename($target_dir, $work_dir)) {
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_debug("Unable to rename target directory.");
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exit;
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}
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if (!file_put_contents($tmp_file, $data)) {
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array_push($log, "Unable to save download.");
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$stop = true; break;
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}
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chdir($work_dir);
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$params["tmp_file"] = $tmp_file;
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_debug("Copying config.php...");
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if (!copy("$old_dir/config.php", "$work_dir/config.php")) {
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_debug("Unable to copy config.php to $work_dir.");
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exit;
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}
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break;
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case 3:
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$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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_debug("Cleaning up...");
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unlink($tmp_file);
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$old_dir = tmpdirname($parent_dir, "tt-rss-old");
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_debug("Fixing permissions...");
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array_push($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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$directories = array(
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CACHE_DIR,
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CACHE_DIR . "/htmlpurifier",
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CACHE_DIR . "/export",
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CACHE_DIR . "/images",
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CACHE_DIR . "/magpie",
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CACHE_DIR . "/simplepie",
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ICONS_DIR,
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LOCK_DIRECTORY);
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array_push($log, "Cleaning up...");
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unlink($tmp_file);
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foreach ($directories as $dir) {
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_debug("-> $dir");
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chmod($dir, 0777);
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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 . "/htmlpurifier",
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CACHE_DIR . "/export",
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CACHE_DIR . "/images",
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CACHE_DIR . "/magpie",
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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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_debug("Upgrade completed.");
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_debug("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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_debug("You might need to re-enter current directory in shell to see new files.");
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return array("step" => $step, "stop" => $stop, "params" => $params, "log" => $log);
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}
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function update_self($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 = 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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?>
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