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[quix0rs-gnu-social.git] / plugins / DomainStatusNetwork / domainstatusnetworkinstaller.php
1 <?php
2 /**
3  * StatusNet - the distributed open-source microblogging tool
4  * Copyright (C) 2011, StatusNet, Inc.
5  *
6  * Installer class for domain-based multi-homing systems
7  *
8  * PHP version 5
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU Affero General Public License as published by
12  * the Free Software Foundation, either version 3 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Affero General Public License for more details.
19  *
20  * You should have received a copy of the GNU Affero General Public License
21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22  *
23  * @category  DomainStatusNetwork
24  * @package   StatusNet
25  * @author    Evan Prodromou <evan@status.net>
26  * @copyright 2011 StatusNet, Inc.
27  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
28  * @link      http://status.net/
29  */
30
31 if (!defined('STATUSNET')) {
32     // This check helps protect against security problems;
33     // your code file can't be executed directly from the web.
34     exit(1);
35 }
36
37 /**
38  * Installer class for domain-based multi-homing systems
39  *
40  * @category  DomainStatusNetwork
41  * @package   StatusNet
42  * @author    Evan Prodromou <evan@status.net>
43  * @copyright 2011 StatusNet, Inc.
44  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
45  * @link      http://status.net/
46  */
47 class DomainStatusNetworkInstaller extends Installer
48 {
49     protected $domain   = null;
50     protected $rootname = null;
51     protected $sitedb   = null;
52     protected $rootpass = null;
53     protected $nickname = null;
54     protected $sn       = null;
55
56     public $verbose     = false;
57
58     function __construct($domain)
59     {
60         $this->domain = $domain;
61     }
62
63     /**
64      * Go for it!
65      * @return boolean success
66      */
67     function main()
68     {
69         // We don't check prereqs. Check 'em before setting up a
70         // multi-home system, kthxbi
71         if ($this->prepare()) {
72             return $this->handle();
73         } else {
74             $this->showHelp();
75             return false;
76         }
77     }
78
79     /**
80      * Get our input parameters...
81      * @return boolean success
82      */
83     function prepare()
84     {
85         $config = $this->getConfig();
86
87         $this->nickname = DomainStatusNetworkPlugin::nicknameForDomain($this->domain);
88
89         // XXX make this configurable
90
91         $this->sitename = sprintf('The %s Status Network', $this->domain);
92
93         $this->server   = $this->nickname.'.'.$config['WILDCARD'];
94         $this->path     = null;
95         $this->fancy    = true;
96
97         $datanick = $this->databaseize($this->nickname);
98
99         $this->host     = $config['DBHOSTNAME'];
100         $this->database = $datanick.$config['DBBASE'];
101         $this->dbtype   = 'mysql'; // XXX: support others... someday
102         $this->username = $datanick.$config['USERBASE'];
103
104         // Max size for MySQL
105
106         if (strlen($this->username) > 16) {
107             $this->username = sprintf('%s%08x', substr($this->username, 0, 8), crc32($this->username));
108         }
109
110         $pwgen = $config['PWDGEN'];
111
112         $password = `$pwgen`;
113
114         $this->password = trim($password);
115
116         // For setting up the database
117
118         $this->rootname = $config['ADMIN'];
119         $this->rootpass = $config['ADMINPASS'];
120         $this->sitehost = $config['DBHOST'];
121         $this->sitedb   = $config['SITEDB'];
122
123         // Explicitly empty
124
125         $this->adminNick    = null;
126         $this->adminPass    = null;
127         $this->adminEmail   = null;
128         $this->adminUpdates = null;
129
130         /** Should we skip writing the configuration file? */
131         $this->skipConfig = true;
132
133         if (!$this->validateDb()) {
134             return false;
135         }
136
137         return true;
138     }
139
140     function handle()
141     {
142         return $this->doInstall();
143     }
144
145     function setupDatabase()
146     {
147         $this->updateStatus('Creating database...');
148         $this->createDatabase();
149         parent::setupDatabase();
150         $this->updateStatus('Creating file directories...');
151         $this->createDirectories();
152         $this->updateStatus('Saving status network...');
153         $this->saveStatusNetwork();
154         $this->updateStatus('Checking schema for plugins...');
155         $this->checkSchema();
156     }
157
158     function saveStatusNetwork()
159     {
160         Status_network::setupDB($this->sitehost,
161                                 $this->rootname,
162                                 $this->rootpass,
163                                 $this->sitedb, array());
164
165         $sn = new Status_network();
166
167         $sn->nickname = $this->nickname;
168         $sn->dbhost   = $this->host;
169         $sn->dbuser   = $this->username;
170         $sn->dbpass   = $this->password;
171         $sn->dbname   = $this->database;
172         $sn->sitename = $this->sitename;
173
174         $result = $sn->insert();
175
176         if (!$result) {
177             throw new ServerException("Could not create status_network: " . print_r($sn, true));
178         }
179
180         $sn->setTags(array('domain='.$this->domain));
181
182         $this->sn = $sn;
183
184     }
185
186     function checkSchema()
187     {
188         $config = $this->getConfig();
189
190         Status_network::$wildcard = $config['WILDCARD'];
191
192         StatusNet::switchSite($this->nickname);
193
194         Event::handle('CheckSchema');
195     }
196
197     function getStatusNetwork()
198     {
199         return $this->sn;
200     }
201
202     function createDirectories()
203     {
204         $config = $this->getConfig();
205
206         foreach (array('AVATARBASE', 'BACKGROUNDBASE', 'FILEBASE') as $key) {
207             $base = $config[$key];
208             mkdir($base.'/'.$this->nickname, 0777, true);
209         }
210     }
211
212     function createDatabase()
213     {
214         // Create the New DB
215         $res = mysql_connect($this->host, $this->rootname, $this->rootpass);
216         if (!$res) {
217             throw new ServerException("Cannot connect to {$this->host} as {$this->rootname}.");
218         }
219
220         mysql_query("CREATE DATABASE ". mysql_real_escape_string($this->database), $res);
221
222         $return = mysql_select_db($this->database, $res);
223
224         if (!$return) {
225             throw new ServerException("Unable to connect to {$this->database} on {$this->host}.");
226         }
227
228         foreach (array('localhost', '%') as $src) {
229             mysql_query("GRANT ALL ON " .
230                         mysql_real_escape_string($this->database).".* TO '" .
231                         $this->username . "'@'".$src."' ".
232                         "IDENTIFIED BY '".$this->password."'", $res);
233         }
234
235         mysql_close($res);
236     }
237
238     function getConfig()
239     {
240         static $config;
241
242         $cfg_file = "/etc/statusnet/setup.cfg";
243
244         if (empty($config)) {
245             $result = parse_ini_file($cfg_file);
246
247             $config = array();
248             foreach ($result as $key => $value) {
249                 $key = str_replace('export ', '', $key);
250                 $config[$key] = $value;
251             }
252         }
253
254         return $config;
255     }
256
257     function showHelp()
258     {
259     }
260
261     function warning($message, $submessage='')
262     {
263         print $this->html2text($message) . "\n";
264         if ($submessage != '') {
265             print "  " . $this->html2text($submessage) . "\n";
266         }
267         print "\n";
268     }
269
270     function updateStatus($status, $error=false)
271     {
272         if ($this->verbose || $error) {
273             if ($error) {
274                 print "ERROR: ";
275             }
276             print $this->html2text($status);
277             print "\n";
278         }
279     }
280
281     private function html2text($html)
282     {
283         // break out any links for text legibility
284         $breakout = preg_replace('/<a[^>+]\bhref="(.*)"[^>]*>(.*)<\/a>/',
285                                  '\2 &lt;\1&gt;',
286                                  $html);
287         return html_entity_decode(strip_tags($breakout), ENT_QUOTES, 'UTF-8');
288     }
289
290     function databaseize($nickname)
291     {
292         $nickname = str_replace('-', '_', $nickname);
293         return $nickname;
294     }
295 }