Security::updateSession() - Code Metrics - Inspection of "FIxed issue on first start and improve port bindin..." - psfs/core - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( e9d973...038fa0 )

by Fran

created 2017-01-10 09:22 UTC

Security::updateSession() A

↳ Parent: Security

Complexity

Conditions	2
Paths	2

Size

Total Lines	13
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
cc	2
eloc	10
nc	2
nop	1
dl	0
loc	13
rs	9.4285
c	0
b	0
f	0
ccs	0
cts	11
cp	0
crap	6

<?php

namespace PSFS\base;

use PSFS\base\types\SingletonTrait;


/**
 * Class Security
 * @package PSFS
 */
class Security
{
    // sha1('user')
    const USER_ID_TOKEN = '12dea96fec20593566ab75692c9949596833adc9';
    // sha1('admin')
    const MANAGER_ID_TOKEN = 'd033e22ae348aeb5660fc2140aec35850c4da997';
    // sha1('superadmin')
    const ADMIN_ID_TOKEN = '889a3a791b3875cfae413574b53da4bb8a90d53e';
    // sha1('FLASHES')
    const FLASH_MESSAGE_TOKEN = '4680c68435db1bfbf17c3fcc4f7b39d2c6122504';

    use SingletonTrait;
    /**
     * @var array $user
     */
    private $user = null;

    /**
     * @var array $admin
     */
    private $admin = null;

    /**
     * @var bool $authorized
     */
    private $authorized = FALSE;

    /**
     * @var bool $checked
     */
    private $checked = false;

    /**
     * @var array $session
     */
    protected $session;

    /**
     * Constructor por defecto
     */
    public function __construct()
    {
        if (PHP_SESSION_NONE === session_status()) {
            session_start();
        }
        $this->session = (is_null($_SESSION)) ? array() : $_SESSION;
        if (NULL === $this->getSessionKey('__FLASH_CLEAR__')) {
            $this->clearFlashes();
            $this->setSessionKey('__FLASH_CLEAR__', microtime(TRUE));
        }
        $this->user = (array_key_exists(self::USER_ID_TOKEN, $this->session)) ? unserialize($this->session[self::USER_ID_TOKEN]) : NULL;

        $this->admin = (array_key_exists(self::ADMIN_ID_TOKEN, $this->session)) ? unserialize($this->session[self::ADMIN_ID_TOKEN]) : NULL;

        if(null === $this->admin) {
            $this->checkAdmin();
        }
    }

    /**
     * Método estático que devuelve los perfiles de la plataforma
     * @return array
     */
    public static function getProfiles()
    {
        return array(
            self::ADMIN_ID_TOKEN => _('Administrador'),
            self::MANAGER_ID_TOKEN => _('Gestor'),
            self::USER_ID_TOKEN => _('Usuario'),
        );
    }

    /**
     * Method that returns all the available profiles
     * @return array
     */
    public function getAdminProfiles()
    {
        return static::getProfiles();
    }

    /**
     * Método estático que devuelve los perfiles disponibles
     * @return array

     */
    public static function getCleanProfiles()
    {
        return array(
            '__SUPER_ADMIN__' => self::ADMIN_ID_TOKEN,
            '__ADMIN__' => self::MANAGER_ID_TOKEN,
            '__USER__' => self::USER_ID_TOKEN,
        );
    }

    /**
     * Método estático que devuelve los perfiles disponibles
     * @return array

     */
    public function getAdminCleanProfiles()
    {
        return static::getCleanProfiles();
    }

    /**
     * Método que guarda los administradores
     *
     * @param array $user
     *
     * @return bool
     */
    public static function save($user)
    {
        $admins = array();
        if (file_exists(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json')) {
            $admins = json_decode(file_get_contents(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json'), TRUE);
        }
        $admins[$user['username']]['hash'] = sha1($user['username'] . $user['password']);
        $admins[$user['username']]['profile'] = $user['profile'];

        return (FALSE !== file_put_contents(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json', json_encode($admins, JSON_PRETTY_PRINT)));

    }

    /**
     * Method to save a new admin user
     * @param array $user
     * @return bool
     */
    public function saveUser($user)
    {
        $saved = false;
        if (!empty($user)) {
            $saved = static::save($user);
        }
        return $saved;
    }

    /**
     * Servicio que actualiza los datos del usuario
     *
     * @param $user
     */
    public function updateUser($user)
    {
        $this->user = $user;
    }

    /**
     * Método que devuelve los administradores de una plataforma
     * @return array|mixed
     */
    public function getAdmins()
    {
        $admins = array();
        if (file_exists(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json')) {
            $admins = json_decode(file_get_contents(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json'), TRUE);
        }

        return $admins;
    }

    /**
     * Método que devuelve si un usuario tiene privilegios para acceder a la zona de administración
     *
     * @param null $user
     * @param null $pass
     *
     * @return bool
     * @throws \HttpException
     */
    public function checkAdmin($user = NULL, $pass = NULL)
    {
        Logger::log('Checking admin session');
        if (!$this->authorized && !$this->checked) {
            if (file_exists(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json')) {
                $request = Request::getInstance();
                $admins = $this->getAdmins();
                //Sacamos las credenciales de la petición
                $user = $user ?: $request->getServer('PHP_AUTH_USER');
                $pass = $pass ?: $request->getServer('PHP_AUTH_PW');
                if (NULL === $user || (array_key_exists($user, $admins) && empty($admins[$user]))) {
                    list($user, $pass) = $this->getAdminFromCookie();
                }
                if (!empty($user) && !empty($admins[$user])) {
                    $auth = $admins[$user]['hash'];
                    $this->authorized = ($auth == sha1($user . $pass));
                    if($this->authorized) {
                        $this->admin = array(
                            'alias' => $user,
                            'profile' => $admins[$user]['profile'],
                        );
                        $this->setSessionKey(self::ADMIN_ID_TOKEN, serialize($this->admin));
                    }
                }
            }
            $this->checked = true;
        }

        return $this->authorized;
    }

    /**
     * Método que obtiene el usuario y contraseña de la cookie de sesión de administración
     * @return array
     */
    protected function getAdminFromCookie()
    {
        $auth_cookie = Request::getInstance()->getCookie($this->getHash());
        $user = $pass = array();
        if (!empty($auth_cookie)) {
            list($user, $pass) = explode(':', base64_decode($auth_cookie));
        }

        return array($user, $pass);
    }

    /**
     * Método privado para la generación del hash de la cookie de administración
     * @return string
     */
    public function getHash()
    {
        return substr(md5('admin'), 0, 8);
    }

    /**
     * Método que devuelve el usuario logado
     * @return array
     */
    public function getUser()
    {
        return $this->user;
    }

    /**
     * Método que devuelve el usuario administrador logado
     * @return array
     */
    public function getAdmin()
    {
        return $this->admin;
    }

    /**
     * Método que calcula si se está logado o para acceder a administración
     * @return bool
     */
    public function canAccessRestrictedAdmin()
    {
        return null !== $this->admin || false != preg_match('/^\/admin\/login/i', Request::requestUri());

    }

    /**
     * Servicio que devuelve una pantalla de error porque se necesita estar authenticado
     *
     * @param string|null $route
     *
     * @return string|null
     */
    public function notAuthorized($route)
    {
        return Template::getInstance()->render('notauthorized.html.twig', array(
            'route' => $route,
        ));
    }

    /**
     * Servicio que chequea si un usuario es super administrador o no
     * @return bool
     */
    public function isSuperAdmin()
    {
        $users = $this->getAdmins();
        $logged = $this->getAdminFromCookie();
        $profiles = Security::getCleanProfiles();
        if ($users[$logged[0]]) {
            $security = $users[$logged[0]]['profile'];

            return $profiles['__SUPER_ADMIN__'] === $security;
        }

        return FALSE;
    }

    /**
     * Servicio que devuelve un dato de sesión
     *
     * @param string $key
     *
     * @return mixed
     */
    public function getSessionKey($key)
    {
        $data = NULL;
        if (array_key_exists($key, $this->session)) {
            $data = $this->session[$key];
        }

        return $data;
    }

    /**
     * Servicio que setea una variable de sesión
     *
     * @param string $key
     * @param mixed $data
     *
     * @return Security
     */
    public function setSessionKey($key, $data = NULL)
    {
        $this->session[$key] = $data;

        return $this;
    }

    /**
     * Servicio que devuelve los mensajes flash de sesiones
     * @return mixed
     */
    public function getFlashes()
    {
        $flashes = $this->getSessionKey(self::FLASH_MESSAGE_TOKEN);

        return (NULL !== $flashes) ? $flashes : array();
    }

    /**
     * Servicio que limpia los mensajes flash
     * @return $this
     */
    public function clearFlashes()
    {
        $this->setSessionKey(self::FLASH_MESSAGE_TOKEN, NULL);

        return $this;
    }

    /**
     * Servicio que inserta un flash en sesión
     *
     * @param string $key
     * @param mixed $data
     */
    public function setFlash($key, $data = NULL)
    {
        $flashes = $this->getFlashes();
        if (!is_array($flashes)) {
            $flashes = array();
        }
        $flashes[$key] = $data;
        $this->setSessionKey(self::FLASH_MESSAGE_TOKEN, $flashes);
    }

    /**
     * Servicio que devuelve un flash de sesión
     *
     * @param string $key
     *
     * @return mixed
     */
    public function getFlash($key)
    {
        $flashes = $this->getFlashes();

        return (NULL !== $key && array_key_exists($key, $flashes)) ? $flashes[$key] : NULL;
    }

    /**
     * Servicio que actualiza
     *
     * @param boolean $closeSession
     *
     * @return Security
     */
    public function updateSession($closeSession = FALSE)
    {
        Logger::log('Update session');
        $_SESSION = $this->session;
        $_SESSION[self::USER_ID_TOKEN] = serialize($this->user);
        $_SESSION[self::ADMIN_ID_TOKEN] = serialize($this->admin);
        if ($closeSession) {
            Logger::log('Close session');
            session_write_close();
        }
        Logger::log('Session updated');
        return $this;
    }

    /**
     * Servicio que limpia la sesión
     */
    public function closeSession()
    {
        session_destroy();
        session_regenerate_id(TRUE);
    }

    /**
     * Extract parts from token
     * @param string $token
     *
     * @return array

     */
    private static function extractTokenParts($token)
    {
        $axis = 0;
        $parts = array();
        try {
            $partLength = floor(strlen($token) / 10);
            for ($i = 0, $ct = ceil(strlen($token) / $partLength); $i < $ct; $i++) {
                $parts[] = substr($token, $axis, $partLength);
                $axis += $partLength;
            }
        } catch (\Exception $e) {
            $partLength = 0;
        }

        return array($partLength, $parts);
    }

    /**
     * Extract Ts and Module from token
     * @param array $parts
     * @param int $partLength
     *
     * @return array

     */
    private static function extractTsAndMod(array &$parts, $partLength)
    {
        $ts = '';

        $mod = '';
        foreach ($parts as &$part) {
            if (strlen($part) == $partLength) {
                $ts .= substr($part, 0, 1);
                $mod .= substr($part, $partLength - 2, 2);
                $part = substr($part, 1, $partLength - 3);
            }
        }
        return array($ts, $mod);
    }

    /**
     * Decode token to check authorized request
     * @param string $token
     * @param string $module
     *
     * @return null|string
     */
    private static function decodeToken($token, $module = 'PSFS')
    {
        $decoded = NULL;
        list($partLength, $parts) = self::extractTokenParts($token);
        list($ts, $mod) = self::extractTsAndMod($parts, $partLength);

        $hashMod = substr(strtoupper(sha1($module)), strlen($ts) / 2, strlen($ts) * 2);
        if (time() - (integer)$ts < 300 && $hashMod === $mod) {
            $decoded = implode('', $parts);
        }
        return $decoded;
    }

    /**
     * Generate a authorized token
     * @param string $secret
     * @param string $module
     *
     * @return string
     */
    public static function generateToken($secret, $module = 'PSFS')
    {
        $ts = time();

        $hashModule = substr(strtoupper(sha1($module)), strlen($ts) / 2, strlen($ts) * 2);
        $hash = hash('sha256', $secret);
        $insert = floor(strlen($hash) / strlen($ts));
        $j = 0;

        $token = '';
        for ($i = 0, $ct = strlen($ts); $i < $ct; $i++) {
            $token .= substr($ts, $i, 1) . substr($hash, $j, $insert) . substr($hashModule, $i, 2);
            $j += $insert;
        }
        $token .= substr($hash, ($insert * strlen($ts)), strlen($hash) - ($insert * strlen($ts)));
        return $token;
    }

    /**
     * Checks if auth token is correct
     * @param string $token
     * @param string $secret
     * @param string $module
     *
     * @return bool
     */
    public static function checkToken($token, $secret, $module = 'PSFS')
    {
        if (0 === strlen($token) || 0 === strlen($secret)) {
            return false;
        }
        $module = strtolower($module);
        $decodedToken = self::decodeToken($token, $module);
        $expectedToken = self::decodeToken(self::generateToken($secret, $module), $module);

        return $decodedToken === $expectedToken;
    }

}


1			<?php
2
3			namespace PSFS\base;
4
5			use PSFS\base\types\SingletonTrait;
6
7
8			/**
9			* Class Security
10			* @package PSFS
11			*/
12			class Security
13			{
14			// sha1('user')
15			const USER_ID_TOKEN = '12dea96fec20593566ab75692c9949596833adc9';
16			// sha1('admin')
17			const MANAGER_ID_TOKEN = 'd033e22ae348aeb5660fc2140aec35850c4da997';
18			// sha1('superadmin')
19			const ADMIN_ID_TOKEN = '889a3a791b3875cfae413574b53da4bb8a90d53e';
20			// sha1('FLASHES')
21			const FLASH_MESSAGE_TOKEN = '4680c68435db1bfbf17c3fcc4f7b39d2c6122504';
22
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	3		public function __construct()
53			{
54	3		if (PHP_SESSION_NONE === session_status()) {
55	1		session_start();
56			}
57	2		$this->session = (is_null($_SESSION)) ? array() : $_SESSION;
58	2		if (NULL === $this->getSessionKey('__FLASH_CLEAR__')) {
59	2		$this->clearFlashes();
60	2		$this->setSessionKey('__FLASH_CLEAR__', microtime(TRUE));
61	2		}
62	2		$this->user = (array_key_exists(self::USER_ID_TOKEN, $this->session)) ? unserialize($this->session[self::USER_ID_TOKEN]) : NULL;
			0 ignored issues – show Coding Style introduced 2016-08-18 23:39 UTC by Report Bug Copy Issue Report This line exceeds maximum limit of 120 characters; contains 136 characters Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line. Loading history...
63	2		$this->admin = (array_key_exists(self::ADMIN_ID_TOKEN, $this->session)) ? unserialize($this->session[self::ADMIN_ID_TOKEN]) : NULL;
			0 ignored issues – show Coding Style introduced 2016-08-18 23:39 UTC by Report Bug Copy Issue Report This line exceeds maximum limit of 120 characters; contains 139 characters Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line. Loading history...
64	2		if(null === $this->admin) {
65	2		$this->checkAdmin();
66	2		}
67	2		}
68
69			/**
70			* Método estático que devuelve los perfiles de la plataforma
71			* @return array
72			*/
73	1		public static function getProfiles()
74			{
75			return array(
76	1		self::ADMIN_ID_TOKEN => _('Administrador'),
77	1		self::MANAGER_ID_TOKEN => _('Gestor'),
78	1		self::USER_ID_TOKEN => _('Usuario'),
79	1		);
80			}
81
82			/**
83			* Method that returns all the available profiles
84			* @return array
85			*/
86			public function getAdminProfiles()
87			{
88			return static::getProfiles();
89			}
90
91			/**
92			* Método estático que devuelve los perfiles disponibles
93			* @return array
			0 ignored issues – show Documentation introduced 2016-08-18 21:22 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `array<string,string>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
94			*/
95			public static function getCleanProfiles()
96			{
97			return array(
98			'__SUPER_ADMIN__' => self::ADMIN_ID_TOKEN,
99			'__ADMIN__' => self::MANAGER_ID_TOKEN,
100			'__USER__' => self::USER_ID_TOKEN,
101			);
102			}
103
104			/**
105			* Método estático que devuelve los perfiles disponibles
106			* @return array
			0 ignored issues – show Documentation introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `array<string,string>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
107			*/
108			public function getAdminCleanProfiles()
109			{
110			return static::getCleanProfiles();
111			}
112
113			/**
114			* Método que guarda los administradores
115			*
116			* @param array $user
117			*
118			* @return bool
119			*/
120			public static function save($user)
121			{
122			$admins = array();
123		View Code Duplication	if (file_exists(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json')) {
124			$admins = json_decode(file_get_contents(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json'), TRUE);
125			}
126			$admins[$user['username']]['hash'] = sha1($user['username'] . $user['password']);
127			$admins[$user['username']]['profile'] = $user['profile'];
128
129			return (FALSE !== file_put_contents(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json', json_encode($admins, JSON_PRETTY_PRINT)));
			0 ignored issues – show Coding Style introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report This line exceeds maximum limit of 120 characters; contains 136 characters Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line. Loading history...
130			}
131
132			/**
133			* Method to save a new admin user
134			* @param array $user
135			* @return bool
136			*/
137			public function saveUser($user)
138			{
139			$saved = false;
140			if (!empty($user)) {
141			$saved = static::save($user);
142			}
143			return $saved;
144			}
145
146			/**
147			* Servicio que actualiza los datos del usuario
148			*
149			* @param $user
150			*/
151			public function updateUser($user)
152			{
153			$this->user = $user;
154			}
155
156			/**
157			* Método que devuelve los administradores de una plataforma
158			* @return array\|mixed
159			*/
160	1		public function getAdmins()
161			{
162	1		$admins = array();
163	1	View Code Duplication	if (file_exists(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json')) {
164			$admins = json_decode(file_get_contents(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json'), TRUE);
165			}
166
167	1		return $admins;
168			}
169
170			/**
171			* Método que devuelve si un usuario tiene privilegios para acceder a la zona de administración
172			*
173			* @param null $user
174			* @param null $pass
175			*
176			* @return bool
177			* @throws \HttpException
178			*/
179	1		public function checkAdmin($user = NULL, $pass = NULL)
180			{
181	1		Logger::log('Checking admin session');
182	1		if (!$this->authorized && !$this->checked) {
183	1		if (file_exists(CONFIG_DIR . DIRECTORY_SEPARATOR . 'admins.json')) {
184			$request = Request::getInstance();
185			$admins = $this->getAdmins();
186			//Sacamos las credenciales de la petición
187			$user = $user ?: $request->getServer('PHP_AUTH_USER');
188			$pass = $pass ?: $request->getServer('PHP_AUTH_PW');
189			if (NULL === $user \|\| (array_key_exists($user, $admins) && empty($admins[$user]))) {
190			list($user, $pass) = $this->getAdminFromCookie();
191			}
192			if (!empty($user) && !empty($admins[$user])) {
193			$auth = $admins[$user]['hash'];
194			$this->authorized = ($auth == sha1($user . $pass));
195			if($this->authorized) {
196			$this->admin = array(
197			'alias' => $user,
198			'profile' => $admins[$user]['profile'],
199			);
200			$this->setSessionKey(self::ADMIN_ID_TOKEN, serialize($this->admin));
201			}
202			}
203			}
204	1		$this->checked = true;
205	1		}
206
207	1		return $this->authorized;
208			}
209
210			/**
211			* Método que obtiene el usuario y contraseña de la cookie de sesión de administración
212			* @return array
213			*/
214			protected function getAdminFromCookie()
215			{
216			$auth_cookie = Request::getInstance()->getCookie($this->getHash());
217			$user = $pass = array();
218			if (!empty($auth_cookie)) {
219			list($user, $pass) = explode(':', base64_decode($auth_cookie));
220			}
221
222			return array($user, $pass);
223			}
224
225			/**
226			* Método privado para la generación del hash de la cookie de administración
227			* @return string
228			*/
229			public function getHash()
230			{
231			return substr(md5('admin'), 0, 8);
232			}
233
234			/**
235			* Método que devuelve el usuario logado
236			* @return array
237			*/
238			public function getUser()
239			{
240			return $this->user;
241			}
242
243			/**
244			* Método que devuelve el usuario administrador logado
245			* @return array
246			*/
247			public function getAdmin()
248			{
249			return $this->admin;
250			}
251
252			/**
253			* Método que calcula si se está logado o para acceder a administración
254			* @return bool
255			*/
256	1		public function canAccessRestrictedAdmin()
257			{
258	1		return null !== $this->admin \|\| false != preg_match('/^\/admin\/login/i', Request::requestUri());
			0 ignored issues – show Bug Best Practice introduced 2016-11-28 09:30 UTC by Report Bug Copy Issue Report It seems like you are loosely comparing `preg_match('/^\\/admin\\...\Request::requestUri())` of type `integer` to the boolean `false`. If you are specifically checking for non-zero, consider using something more explicit like `> 0` or `!== 0` instead. Loading history...
259			}
260
261			/**
262			* Servicio que devuelve una pantalla de error porque se necesita estar authenticado
263			*
264			* @param string\|null $route
265			*
266			* @return string\|null
267			*/
268			public function notAuthorized($route)
269			{
270			return Template::getInstance()->render('notauthorized.html.twig', array(
271			'route' => $route,
272			));
273			}
274
275			/**
276			* Servicio que chequea si un usuario es super administrador o no
277			* @return bool
278			*/
279			public function isSuperAdmin()
280			{
281			$users = $this->getAdmins();
282			$logged = $this->getAdminFromCookie();
283			$profiles = Security::getCleanProfiles();
284			if ($users[$logged[0]]) {
285			$security = $users[$logged[0]]['profile'];
286
287			return $profiles['__SUPER_ADMIN__'] === $security;
288			}
289
290			return FALSE;
291			}
292
293			/**
294			* Servicio que devuelve un dato de sesión
295			*
296			* @param string $key
297			*
298			* @return mixed
299			*/
300	2		public function getSessionKey($key)
301			{
302	2		$data = NULL;
303	2		if (array_key_exists($key, $this->session)) {
304	1		$data = $this->session[$key];
305	1		}
306
307	2		return $data;
308			}
309
310			/**
311			* Servicio que setea una variable de sesión
312			*
313			* @param string $key
314			* @param mixed $data
315			*
316			* @return Security
317			*/
318	2		public function setSessionKey($key, $data = NULL)
319			{
320	2		$this->session[$key] = $data;
321
322	2		return $this;
323			}
324
325			/**
326			* Servicio que devuelve los mensajes flash de sesiones
327			* @return mixed
328			*/
329			public function getFlashes()
330			{
331			$flashes = $this->getSessionKey(self::FLASH_MESSAGE_TOKEN);
332
333			return (NULL !== $flashes) ? $flashes : array();
334			}
335
336			/**
337			* Servicio que limpia los mensajes flash
338			* @return $this
339			*/
340	1		public function clearFlashes()
341			{
342	1		$this->setSessionKey(self::FLASH_MESSAGE_TOKEN, NULL);
343
344	1		return $this;
345			}
346
347			/**
348			* Servicio que inserta un flash en sesión
349			*
350			* @param string $key
351			* @param mixed $data
352			*/
353			public function setFlash($key, $data = NULL)
354			{
355			$flashes = $this->getFlashes();
356			if (!is_array($flashes)) {
357			$flashes = array();
358			}
359			$flashes[$key] = $data;
360			$this->setSessionKey(self::FLASH_MESSAGE_TOKEN, $flashes);
361			}
362
363			/**
364			* Servicio que devuelve un flash de sesión
365			*
366			* @param string $key
367			*
368			* @return mixed
369			*/
370			public function getFlash($key)
371			{
372			$flashes = $this->getFlashes();
373
374			return (NULL !== $key && array_key_exists($key, $flashes)) ? $flashes[$key] : NULL;
375			}
376
377			/**
378			* Servicio que actualiza
379			*
380			* @param boolean $closeSession
381			*
382			* @return Security
383			*/
384			public function updateSession($closeSession = FALSE)
385			{
386			Logger::log('Update session');
387			$_SESSION = $this->session;
388			$_SESSION[self::USER_ID_TOKEN] = serialize($this->user);
389			$_SESSION[self::ADMIN_ID_TOKEN] = serialize($this->admin);
390			if ($closeSession) {
391			Logger::log('Close session');
392			session_write_close();
393			}
394			Logger::log('Session updated');
395			return $this;
396			}
397
398			/**
399			* Servicio que limpia la sesión
400			*/
401			public function closeSession()
402			{
403			session_destroy();
404			session_regenerate_id(TRUE);
405			}
406
407			/**
408			* Extract parts from token
409			* @param string $token
410			*
411			* @return array
			0 ignored issues – show Documentation introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `array<double\|integer\|array>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
412			*/
413			private static function extractTokenParts($token)
414			{
415			$axis = 0;
416			$parts = array();
417			try {
418			$partLength = floor(strlen($token) / 10);
419			for ($i = 0, $ct = ceil(strlen($token) / $partLength); $i < $ct; $i++) {
420			$parts[] = substr($token, $axis, $partLength);
421			$axis += $partLength;
422			}
423			} catch (\Exception $e) {
424			$partLength = 0;
425			}
426
427			return array($partLength, $parts);
428			}
429
430			/**
431			* Extract Ts and Module from token
432			* @param array $parts
433			* @param int $partLength
434			*
435			* @return array
			0 ignored issues – show Documentation introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `string[]`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
436			*/
437			private static function extractTsAndMod(array &$parts, $partLength)
438			{
439			$ts = '';
			0 ignored issues – show Comprehensibility introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report Avoid variables with short names like $ts. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
440			$mod = '';
441			foreach ($parts as &$part) {
442			if (strlen($part) == $partLength) {
443			$ts .= substr($part, 0, 1);
444			$mod .= substr($part, $partLength - 2, 2);
445			$part = substr($part, 1, $partLength - 3);
446			}
447			}
448			return array($ts, $mod);
449			}
450
451			/**
452			* Decode token to check authorized request
453			* @param string $token
454			* @param string $module
455			*
456			* @return null\|string
457			*/
458			private static function decodeToken($token, $module = 'PSFS')
459			{
460			$decoded = NULL;
461			list($partLength, $parts) = self::extractTokenParts($token);
462			list($ts, $mod) = self::extractTsAndMod($parts, $partLength);
			0 ignored issues – show Comprehensibility introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report Avoid variables with short names like $ts. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
463			$hashMod = substr(strtoupper(sha1($module)), strlen($ts) / 2, strlen($ts) * 2);
464			if (time() - (integer)$ts < 300 && $hashMod === $mod) {
465			$decoded = implode('', $parts);
466			}
467			return $decoded;
468			}
469
470			/**
471			* Generate a authorized token
472			* @param string $secret
473			* @param string $module
474			*
475			* @return string
476			*/
477			public static function generateToken($secret, $module = 'PSFS')
478			{
479			$ts = time();
			0 ignored issues – show Comprehensibility introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report Avoid variables with short names like $ts. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
480			$hashModule = substr(strtoupper(sha1($module)), strlen($ts) / 2, strlen($ts) * 2);
481			$hash = hash('sha256', $secret);
482			$insert = floor(strlen($hash) / strlen($ts));
483			$j = 0;
			0 ignored issues – show Comprehensibility introduced 2016-05-07 10:58 UTC by Report Bug Copy Issue Report Avoid variables with short names like $j. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
484			$token = '';
485			for ($i = 0, $ct = strlen($ts); $i < $ct; $i++) {
486			$token .= substr($ts, $i, 1) . substr($hash, $j, $insert) . substr($hashModule, $i, 2);
487			$j += $insert;
488			}
489			$token .= substr($hash, ($insert * strlen($ts)), strlen($hash) - ($insert * strlen($ts)));
490			return $token;
491			}
492
493			/**
494			* Checks if auth token is correct
495			* @param string $token
496			* @param string $secret
497			* @param string $module
498			*
499			* @return bool
500			*/
501			public static function checkToken($token, $secret, $module = 'PSFS')
502			{
503			if (0 === strlen($token) \|\| 0 === strlen($secret)) {
504			return false;
505			}
506			$module = strtolower($module);
507			$decodedToken = self::decodeToken($token, $module);
508			$expectedToken = self::decodeToken(self::generateToken($secret, $module), $module);
509
510			return $decodedToken === $expectedToken;
511			}
512
513			}
514

psfs / core

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Security::updateSession() A

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