indefero/src/IDF/Plugin/SyncGit/Cron.php

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<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of InDefero, an open source project management application.
# Copyright (C) 2008 Céondo Ltd and contributors.
#
# InDefero is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# InDefero is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
/**
* Synchronize the SSH keys with InDefero.
*/
class IDF_Plugin_SyncGit_Cron
{
/**
* Template for the SSH key.
*/
public $template = 'command="python %s %s",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty %s';
/**
* Synchronize.
*/
public static function sync()
{
$template = Pluf::factory(__CLASS__)->template;
$cmd = Pluf::f('idf_plugin_syncgit_path_gitserve', '/dev/null');
$authorized_keys = Pluf::f('idf_plugin_syncgit_path_authorized_keys', false);
if (false == $authorized_keys) {
throw new Pluf_Exception_SettingError('Setting git_path_authorized_keys not set.');
}
if (!is_writable($authorized_keys)) {
throw new Exception('Cannot create file: '.$authorized_keys);
}
$out = '';
$keys = Pluf::factory('IDF_Key')->getList(array('view'=>'join_user'));
foreach ($keys as $key) {
if (strlen($key->content) > 40 // minimal check
and preg_match('/^[a-zA-Z][a-zA-Z0-9_.-]*(@[a-zA-Z][a-zA-Z0-9.-]*)?$/', $key->login)) {
$content = trim(str_replace(array("\n", "\r"), '', $key->content));
$out .= sprintf($template, $cmd, $key->login, $content)."\n";
}
}
file_put_contents($authorized_keys, $out, LOCK_EX);
}
/**
* Mark export of git repositories for the daemon.
*/
public static function markExport()
{
foreach (Pluf::factory('IDF_Project')->getList() as $project) {
$rep = sprintf(Pluf::f('git_repositories'), $project->shortname);
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$serve = new IDF_Plugin_SyncGit_Serve();
$serve->setGitExport($project->shortname, $rep);
}
}
/**
* Remove orphan repositories.
*/
public static function removeOrphanRepositories()
{
$path = Pluf::f('idf_plugin_syncgit_base_repositories', '/home/git/repositories');
if (!is_dir($path) || is_link($path)) {
throw new Pluf_Exception_SettingError(sprintf(
'Directory %s does not exist! Setting "idf_plugin_syncgit_base_repositories not set.',
$path));
}
if (!is_writable($path)) {
throw new Exception(sprintf('Repository %s is not writable.', $path));
}
$projects = array();
foreach (Pluf::factory('IDF_Project')->getList() as $project) {
$projects[] = $project->shortname;
}
unset($project);
$it = new DirectoryIterator($path);
$orphans = array();
while ($it->valid()) {
if (!$it->isDot() && $it->isDir() && !in_array(basename($it->getFileName(), '.git'), $projects)) {
$orphans[] = $it->getPathName();
}
$it->next();
}
if (count($orphans)) {
$cmd = Pluf::f('idf_exec_cmd_prefix', '').'rm -rf '.implode(' ', $orphans);
exec($cmd);
while (list(, $project) = each($orphans)) {
if (is_dir($project)) {
throw new Exception(sprintf('Cannot remove %s directory.', $project));
}
}
}
}
/**
* Check if a sync is needed.
*
*/
public static function main()
{
if (file_exists(Pluf::f('idf_plugin_syncgit_sync_file'))) {
@unlink(Pluf::f('idf_plugin_syncgit_sync_file'));
self::sync();
self::markExport();
if (Pluf::f('idf_plugin_syncgit_remove_orphans', false)) {
self::removeOrphanRepositories();
}
}
}
}