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

1<?php
2/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
3/*
4# ***** BEGIN LICENSE BLOCK *****
5# This file is part of InDefero, an open source project management application.
6# Copyright (C) 2008 Céondo Ltd and contributors.
7#
8# InDefero is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# InDefero is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21#
22# ***** END LICENSE BLOCK ***** */
23
24/**
25 * Synchronize the SSH keys with InDefero.
26 */
27class IDF_Plugin_SyncGit_Cron
28{
29    /**
30     * Template for the SSH key.
31     */
32    public $template = 'command="python %s %s",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty %s';
33
34    /**
35     * Synchronize.
36     */
37    public static function sync()
38    {
39        $template = Pluf::factory(__CLASS__)->template;
40        $cmd = Pluf::f('idf_plugin_syncgit_path_gitserve', '/dev/null');
41        $authorized_keys = Pluf::f('idf_plugin_syncgit_path_authorized_keys', false);
42        if (false == $authorized_keys) {
43            throw new Pluf_Exception_SettingError('Setting idf_plugin_syncgit_path_authorized_keys not set.');
44        }
45        if (!is_writable($authorized_keys)) {
46            throw new Exception('Cannot create file: '.$authorized_keys);
47        }
48        $out = '';
49        $keys = Pluf::factory('IDF_Key')->getList(array('view'=>'join_user'));
50        foreach ($keys as $key) {
51            if (strlen($key->content) > 40 // minimal check
52                and preg_match('/^[a-zA-Z][a-zA-Z0-9_.-]*(@[a-zA-Z][a-zA-Z0-9.-]*)?$/', $key->login)) {
53                $content = trim(str_replace(array("\n", "\r"), '', $key->content));
54                $out .= sprintf($template, $cmd, $key->login, $content)."\n";
55            }
56        }
57        file_put_contents($authorized_keys, $out, LOCK_EX);
58    }
59
60    /**
61     * Mark export of git repositories for the daemon.
62     */
63    public static function markExport()
64    {
65        foreach (Pluf::factory('IDF_Project')->getList() as $project) {
66            $rep = sprintf(Pluf::f('git_repositories'), $project->shortname);
67            $serve = new IDF_Plugin_SyncGit_Serve();
68            $serve->setGitExport($project->shortname, $rep);
69        }
70    }
71
72    /**
73     * Remove orphan repositories.
74     */
75    public static function removeOrphanRepositories()
76    {
77        $path = Pluf::f('idf_plugin_syncgit_base_repositories', '/home/git/repositories');
78        if (!is_dir($path) || is_link($path)) {
79            throw new Pluf_Exception_SettingError(sprintf(
80                'Directory %s does not exist! Setting "idf_plugin_syncgit_base_repositories not set.',
81                $path));
82        }
83        if (!is_writable($path)) {
84            throw new Exception(sprintf('Repository %s is not writable.', $path));
85        }
86        $projects = array();
87        foreach (Pluf::factory('IDF_Project')->getList() as $project) {
88            $projects[] = $project->shortname;
89        }
90        unset($project);
91        $it = new DirectoryIterator($path);
92        $orphans = array();
93        while ($it->valid()) {
94            if (!$it->isDot() && $it->isDir() && !in_array(basename($it->getFileName(), '.git'), $projects)) {
95                $orphans[] = $it->getPathName();
96            }
97            $it->next();
98        }
99        if (count($orphans)) {
100            $cmd = Pluf::f('idf_exec_cmd_prefix', '').'rm -rf '.implode(' ', $orphans);
101            exec($cmd);
102            while (list(, $project) = each($orphans)) {
103                if (is_dir($project)) {
104                    throw new Exception(sprintf('Cannot remove %s directory.', $project));
105                }
106            }
107        }
108    }
109
110    /**
111     * Check if a sync is needed.
112     *
113     */
114    public static function main()
115    {
116        if (file_exists(Pluf::f('idf_plugin_syncgit_sync_file'))) {
117            @unlink(Pluf::f('idf_plugin_syncgit_sync_file'));
118            self::sync();
119            self::markExport();
120            if (Pluf::f('idf_plugin_syncgit_remove_orphans', false)) {
121                self::removeOrphanRepositories();
122            }
123        }
124    }
125}
126

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