1
|
|
|
<?php |
2
|
|
|
namespace PSFS\base; |
3
|
|
|
|
4
|
|
|
use PSFS\base\types\traits\SecureTrait; |
5
|
|
|
use PSFS\base\types\traits\SingletonTrait; |
6
|
|
|
|
7
|
|
|
/** |
8
|
|
|
* Class Security |
9
|
|
|
* @package PSFS |
10
|
|
|
*/ |
11
|
|
|
class Security |
12
|
|
|
{ |
13
|
|
|
// sha1('user') |
14
|
|
|
const USER_ID_TOKEN = '12dea96fec20593566ab75692c9949596833adc9'; |
15
|
|
|
// sha1('admin') |
16
|
|
|
const MANAGER_ID_TOKEN = 'd033e22ae348aeb5660fc2140aec35850c4da997'; |
17
|
|
|
// sha1('superadmin') |
18
|
|
|
const ADMIN_ID_TOKEN = '889a3a791b3875cfae413574b53da4bb8a90d53e'; |
19
|
|
|
// sha1('FLASHES') |
20
|
|
|
const FLASH_MESSAGE_TOKEN = '4680c68435db1bfbf17c3fcc4f7b39d2c6122504'; |
21
|
|
|
|
22
|
|
|
use SecureTrait; |
23
|
|
|
use SingletonTrait; |
24
|
|
|
/** |
25
|
|
|
* @var array $user |
26
|
|
|
*/ |
27
|
|
|
private $user = null; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* @var array $admin |
31
|
|
|
*/ |
32
|
|
|
private $admin = null; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* @var bool $authorized |
36
|
|
|
*/ |
37
|
|
|
private $authorized = FALSE; |
38
|
|
|
|
39
|
|
|
/** |
40
|
|
|
* @var bool $checked |
41
|
|
|
*/ |
42
|
|
|
private $checked = false; |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* @var array $session |
46
|
|
|
*/ |
47
|
|
|
protected $session; |
48
|
|
|
|
49
|
|
|
/** |
50
|
|
|
* Constructor por defecto |
51
|
|
|
*/ |
52
|
2 |
|
public function init() |
|
|
|
|
53
|
|
|
{ |
54
|
2 |
|
$this->initSession(); |
55
|
2 |
|
$this->session = (is_null($_SESSION)) ? array() : $_SESSION; |
56
|
2 |
|
if (NULL === $this->getSessionKey('__FLASH_CLEAR__')) { |
57
|
2 |
|
$this->clearFlashes(); |
58
|
2 |
|
$this->setSessionKey('__FLASH_CLEAR__', microtime(TRUE)); |
59
|
|
|
} |
60
|
2 |
|
$this->user = (array_key_exists(self::USER_ID_TOKEN, $this->session)) ? unserialize($this->session[self::USER_ID_TOKEN]) : NULL; |
|
|
|
|
61
|
2 |
|
$this->admin = (array_key_exists(self::ADMIN_ID_TOKEN, $this->session)) ? unserialize($this->session[self::ADMIN_ID_TOKEN]) : NULL; |
|
|
|
|
62
|
2 |
|
if (null === $this->admin) { |
63
|
2 |
|
$this->checkAdmin(); |
64
|
|
|
} |
65
|
2 |
|
$this->setLoaded(true); |
66
|
2 |
|
} |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* Initializator for SESSION |
70
|
|
|
*/ |
71
|
2 |
|
private function initSession() { |
|
|
|
|
72
|
2 |
|
if (PHP_SESSION_NONE === session_status() && !headers_sent()) { |
73
|
|
|
session_start(); |
74
|
|
|
} |
75
|
|
|
// Fix for phpunits |
76
|
2 |
|
if(!isset($_SESSION)) { |
77
|
1 |
|
$_SESSION = []; |
78
|
|
|
} |
79
|
2 |
|
} |
80
|
|
|
|
81
|
|
|
/** |
82
|
|
|
* Método estático que devuelve los perfiles de la plataforma |
83
|
|
|
* @return array |
84
|
|
|
*/ |
85
|
1 |
|
public static function getProfiles() |
86
|
|
|
{ |
87
|
|
|
return array( |
88
|
1 |
|
self::ADMIN_ID_TOKEN => _('Administrador'), |
89
|
1 |
|
self::MANAGER_ID_TOKEN => _('Gestor'), |
90
|
1 |
|
self::USER_ID_TOKEN => _('Usuario'), |
91
|
|
|
); |
92
|
|
|
} |
93
|
|
|
|
94
|
|
|
/** |
95
|
|
|
* Method that returns all the available profiles |
96
|
|
|
* @return array |
97
|
|
|
*/ |
98
|
1 |
|
public function getAdminProfiles() |
99
|
|
|
{ |
100
|
1 |
|
return static::getProfiles(); |
101
|
|
|
} |
102
|
|
|
|
103
|
|
|
/** |
104
|
|
|
* Método estático que devuelve los perfiles disponibles |
105
|
|
|
* @return array |
|
|
|
|
106
|
|
|
*/ |
107
|
2 |
|
public static function getCleanProfiles() |
108
|
|
|
{ |
109
|
|
|
return array( |
110
|
2 |
|
'__SUPER_ADMIN__' => self::ADMIN_ID_TOKEN, |
111
|
2 |
|
'__ADMIN__' => self::MANAGER_ID_TOKEN, |
112
|
2 |
|
'__USER__' => self::USER_ID_TOKEN, |
113
|
|
|
); |
114
|
|
|
} |
115
|
|
|
|
116
|
|
|
/** |
117
|
|
|
* Método estático que devuelve los perfiles disponibles |
118
|
|
|
* @return array |
|
|
|
|
119
|
|
|
*/ |
120
|
1 |
|
public function getAdminCleanProfiles() |
121
|
|
|
{ |
122
|
1 |
|
return static::getCleanProfiles(); |
123
|
|
|
} |
124
|
|
|
|
125
|
|
|
/** |
126
|
|
|
* Método que guarda los administradores |
127
|
|
|
* |
128
|
|
|
* @param array $user |
129
|
|
|
* |
130
|
|
|
* @return bool |
131
|
|
|
*/ |
132
|
1 |
|
public static function save($user) |
133
|
|
|
{ |
134
|
1 |
|
$saved = true; |
135
|
|
|
try { |
136
|
1 |
|
$admins = Cache::getInstance()->getDataFromFile(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json', Cache::JSONGZ, true) ?: []; |
|
|
|
|
137
|
1 |
|
$admins[$user['username']]['hash'] = sha1($user['username'] . $user['password']); |
138
|
1 |
|
$admins[$user['username']]['profile'] = $user['profile']; |
139
|
|
|
|
140
|
1 |
|
Cache::getInstance()->storeData(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json', $admins, Cache::JSONGZ, true); |
|
|
|
|
141
|
|
|
} catch(\Exception $e) { |
142
|
|
|
Logger::log($e->getMessage(), LOG_ERR); |
143
|
|
|
$saved = false; |
144
|
|
|
} |
145
|
1 |
|
return $saved; |
146
|
|
|
} |
147
|
|
|
|
148
|
|
|
/** |
149
|
|
|
* Method to save a new admin user |
150
|
|
|
* @param array $user |
151
|
|
|
* @return bool |
152
|
|
|
*/ |
153
|
1 |
|
public function saveUser($user) |
154
|
|
|
{ |
155
|
1 |
|
$saved = false; |
156
|
1 |
|
if (!empty($user)) { |
157
|
1 |
|
$saved = static::save($user); |
158
|
|
|
} |
159
|
1 |
|
return $saved; |
160
|
|
|
} |
161
|
|
|
|
162
|
|
|
/** |
163
|
|
|
* Servicio que actualiza los datos del usuario |
164
|
|
|
* |
165
|
|
|
* @param $user |
166
|
|
|
*/ |
167
|
1 |
|
public function updateUser($user) |
168
|
|
|
{ |
169
|
1 |
|
$this->user = $user; |
170
|
1 |
|
} |
171
|
|
|
|
172
|
|
|
/** |
173
|
|
|
* Método que devuelve los administradores de una plataforma |
174
|
|
|
* @return array|null |
|
|
|
|
175
|
|
|
*/ |
176
|
3 |
|
public function getAdmins() |
177
|
|
|
{ |
178
|
3 |
|
return Cache::getInstance()->getDataFromFile(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json', Cache::JSONGZ, true); |
|
|
|
|
179
|
|
|
} |
180
|
|
|
|
181
|
|
|
/** |
182
|
|
|
* Método que devuelve si un usuario tiene privilegios para acceder a la zona de administración |
183
|
|
|
* |
184
|
|
|
* @param null $user |
185
|
|
|
* @param null $pass |
186
|
|
|
* @param boolean $force |
187
|
|
|
* |
188
|
|
|
* @return bool |
189
|
|
|
* @throws \HttpException |
190
|
|
|
*/ |
191
|
3 |
|
public function checkAdmin($user = NULL, $pass = NULL, $force = false) |
192
|
|
|
{ |
193
|
3 |
|
Logger::log('Checking admin session'); |
194
|
3 |
|
if ((!$this->authorized && !$this->checked) || $force) { |
195
|
3 |
|
$admins = $this->getAdmins(); |
196
|
3 |
|
if (null !== $admins) { |
197
|
1 |
|
$request = Request::getInstance(); |
198
|
|
|
//Sacamos las credenciales de la petición |
199
|
1 |
|
$user = $user ?: $request->getServer('PHP_AUTH_USER'); |
200
|
1 |
|
$pass = $pass ?: $request->getServer('PHP_AUTH_PW'); |
201
|
1 |
|
if (NULL === $user || (array_key_exists($user, $admins) && empty($admins[$user]))) { |
202
|
1 |
|
list($user, $pass) = $this->getAdminFromCookie(); |
203
|
|
|
} |
204
|
1 |
|
if (!empty($user) && !empty($admins[$user])) { |
205
|
1 |
|
$auth = $admins[$user]['hash']; |
206
|
1 |
|
$this->authorized = ($auth == sha1($user . $pass)); |
207
|
1 |
|
if ($this->authorized) { |
208
|
1 |
|
$this->admin = array( |
209
|
1 |
|
'alias' => $user, |
210
|
1 |
|
'profile' => $admins[$user]['profile'], |
211
|
|
|
); |
212
|
1 |
|
$this->setSessionKey(self::ADMIN_ID_TOKEN, serialize($this->admin)); |
213
|
|
|
} |
214
|
|
|
} |
215
|
1 |
|
$this->checked = true; |
216
|
|
|
} |
217
|
|
|
} |
218
|
|
|
|
219
|
3 |
|
return $this->authorized; |
220
|
|
|
} |
221
|
|
|
|
222
|
|
|
/** |
223
|
|
|
* Método que obtiene el usuario y contraseña de la cookie de sesión de administración |
224
|
|
|
* @return array |
225
|
|
|
*/ |
226
|
1 |
|
protected function getAdminFromCookie() |
227
|
|
|
{ |
228
|
1 |
|
$auth_cookie = Request::getInstance()->getCookie($this->getHash()); |
229
|
1 |
|
$user = $pass = array(); |
230
|
1 |
|
if (!empty($auth_cookie)) { |
231
|
1 |
|
list($user, $pass) = explode(':', base64_decode($auth_cookie)); |
232
|
|
|
} |
233
|
|
|
|
234
|
1 |
|
return array($user, $pass); |
235
|
|
|
} |
236
|
|
|
|
237
|
|
|
/** |
238
|
|
|
* Método privado para la generación del hash de la cookie de administración |
239
|
|
|
* @return string |
240
|
|
|
*/ |
241
|
1 |
|
public function getHash() |
242
|
|
|
{ |
243
|
1 |
|
return substr(self::MANAGER_ID_TOKEN, 0, 8); |
244
|
|
|
} |
245
|
|
|
|
246
|
|
|
/** |
247
|
|
|
* Método que devuelve el usuario logado |
248
|
|
|
* @return array |
249
|
|
|
*/ |
250
|
2 |
|
public function getUser() |
251
|
|
|
{ |
252
|
2 |
|
return $this->user; |
253
|
|
|
} |
254
|
|
|
|
255
|
|
|
/** |
256
|
|
|
* Método que devuelve el usuario administrador logado |
257
|
|
|
* @return array |
258
|
|
|
*/ |
259
|
2 |
|
public function getAdmin() |
260
|
|
|
{ |
261
|
2 |
|
return $this->admin; |
262
|
|
|
} |
263
|
|
|
|
264
|
|
|
/** |
265
|
|
|
* Método que calcula si se está logado o para acceder a administración |
266
|
|
|
* @return bool |
267
|
|
|
*/ |
268
|
1 |
|
public function canAccessRestrictedAdmin() |
269
|
|
|
{ |
270
|
1 |
|
return null !== $this->admin && !preg_match('/^\/admin\/login/i', Request::requestUri()); |
271
|
|
|
} |
272
|
|
|
|
273
|
|
|
/** |
274
|
|
|
* Servicio que devuelve una pantalla de error porque se necesita estar authenticado |
275
|
|
|
* |
276
|
|
|
* @param string|null $route |
277
|
|
|
* |
278
|
|
|
* @return string|null |
279
|
|
|
*/ |
280
|
|
|
public function notAuthorized($route) |
281
|
|
|
{ |
282
|
|
|
return Template::getInstance()->render('notauthorized.html.twig', array( |
283
|
|
|
'route' => $route, |
284
|
|
|
)); |
285
|
|
|
} |
286
|
|
|
|
287
|
|
|
/** |
288
|
|
|
* Servicio que chequea si un usuario es super administrador o no |
289
|
|
|
* @return bool |
290
|
|
|
*/ |
291
|
1 |
|
public function isSuperAdmin() |
292
|
|
|
{ |
293
|
1 |
|
$users = $this->getAdmins(); |
294
|
1 |
|
$logged = $this->getAdmin(); |
295
|
1 |
|
if ($users[$logged['alias']]) { |
296
|
1 |
|
$security = $users[$logged['alias']]['profile']; |
297
|
1 |
|
return self::ADMIN_ID_TOKEN === $security; |
298
|
|
|
} |
299
|
|
|
|
300
|
|
|
return FALSE; |
301
|
|
|
} |
302
|
|
|
|
303
|
|
|
/** |
304
|
|
|
* Servicio que devuelve un dato de sesión |
305
|
|
|
* |
306
|
|
|
* @param string $key |
307
|
|
|
* |
308
|
|
|
* @return mixed |
309
|
|
|
*/ |
310
|
6 |
|
public function getSessionKey($key) |
311
|
|
|
{ |
312
|
6 |
|
$data = NULL; |
313
|
6 |
|
if (array_key_exists($key, $this->session)) { |
314
|
4 |
|
$data = $this->session[$key]; |
315
|
|
|
} |
316
|
|
|
|
317
|
6 |
|
return $data; |
318
|
|
|
} |
319
|
|
|
|
320
|
|
|
/** |
321
|
|
|
* Servicio que setea una variable de sesión |
322
|
|
|
* |
323
|
|
|
* @param string $key |
324
|
|
|
* @param mixed $data |
325
|
|
|
* |
326
|
|
|
* @return Security |
327
|
|
|
*/ |
328
|
5 |
|
public function setSessionKey($key, $data = NULL) |
329
|
|
|
{ |
330
|
5 |
|
$this->session[$key] = $data; |
331
|
|
|
|
332
|
5 |
|
return $this; |
333
|
|
|
} |
334
|
|
|
|
335
|
|
|
/** |
336
|
|
|
* Servicio que devuelve los mensajes flash de sesiones |
337
|
|
|
* @return mixed |
338
|
|
|
*/ |
339
|
2 |
|
public function getFlashes() |
340
|
|
|
{ |
341
|
2 |
|
$flashes = $this->getSessionKey(self::FLASH_MESSAGE_TOKEN); |
342
|
|
|
|
343
|
2 |
|
return (NULL !== $flashes) ? $flashes : array(); |
344
|
|
|
} |
345
|
|
|
|
346
|
|
|
/** |
347
|
|
|
* Servicio que limpia los mensajes flash |
348
|
|
|
* @return $this |
349
|
|
|
*/ |
350
|
3 |
|
public function clearFlashes() |
351
|
|
|
{ |
352
|
3 |
|
$this->setSessionKey(self::FLASH_MESSAGE_TOKEN, NULL); |
353
|
|
|
|
354
|
3 |
|
return $this; |
355
|
|
|
} |
356
|
|
|
|
357
|
|
|
/** |
358
|
|
|
* Servicio que inserta un flash en sesión |
359
|
|
|
* |
360
|
|
|
* @param string $key |
361
|
|
|
* @param mixed $data |
362
|
|
|
*/ |
363
|
1 |
|
public function setFlash($key, $data = NULL) |
364
|
|
|
{ |
365
|
1 |
|
$flashes = $this->getFlashes(); |
366
|
1 |
|
if (!is_array($flashes)) { |
367
|
|
|
$flashes = array(); |
368
|
|
|
} |
369
|
1 |
|
$flashes[$key] = $data; |
370
|
1 |
|
$this->setSessionKey(self::FLASH_MESSAGE_TOKEN, $flashes); |
371
|
1 |
|
} |
372
|
|
|
|
373
|
|
|
/** |
374
|
|
|
* Servicio que devuelve un flash de sesión |
375
|
|
|
* |
376
|
|
|
* @param string $key |
377
|
|
|
* |
378
|
|
|
* @return mixed |
379
|
|
|
*/ |
380
|
2 |
|
public function getFlash($key) |
381
|
|
|
{ |
382
|
2 |
|
$flashes = $this->getFlashes(); |
383
|
|
|
|
384
|
2 |
|
return (NULL !== $key && array_key_exists($key, $flashes)) ? $flashes[$key] : NULL; |
385
|
|
|
} |
386
|
|
|
|
387
|
|
|
/** |
388
|
|
|
* Servicio que actualiza |
389
|
|
|
* |
390
|
|
|
* @param boolean $closeSession |
391
|
|
|
* |
392
|
|
|
* @return Security |
393
|
|
|
*/ |
394
|
2 |
|
public function updateSession($closeSession = FALSE) |
395
|
|
|
{ |
396
|
2 |
|
Logger::log('Update session'); |
397
|
2 |
|
$_SESSION = $this->session; |
398
|
2 |
|
$_SESSION[self::USER_ID_TOKEN] = serialize($this->user); |
399
|
2 |
|
$_SESSION[self::ADMIN_ID_TOKEN] = serialize($this->admin); |
400
|
2 |
|
if ($closeSession) { |
401
|
1 |
|
Logger::log('Close session'); |
402
|
1 |
|
@session_write_close(); |
403
|
1 |
|
@session_start(); |
404
|
|
|
} |
405
|
2 |
|
Logger::log('Session updated'); |
406
|
2 |
|
return $this; |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
|
|
|
* Servicio que limpia la sesión |
411
|
|
|
*/ |
412
|
1 |
|
public function closeSession() |
|
|
|
|
413
|
|
|
{ |
414
|
1 |
|
unset($_SESSION); |
415
|
1 |
|
@session_destroy(); |
416
|
1 |
|
@session_regenerate_id(TRUE); |
417
|
1 |
|
@session_start(); |
418
|
1 |
|
} |
419
|
|
|
|
420
|
|
|
} |
421
|
|
|
|
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: