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phab/src/applications/people/storage/user/PhabricatorUser.php
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PhabricatorUser.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class PhabricatorUser extends PhabricatorUserDAO {
const PHID_TYPE = 'USER';
protected $phid;
protected $userName;
protected $realName;
protected $email;
protected $passwordSalt;
protected $passwordHash;
protected $facebookUID;
protected $profileImagePHID;
private $sessionKey;
public function getConfiguration() {
return array(
self::CONFIG_AUX_PHID => true,
) + parent::getConfiguration();
}
public function generatePHID() {
return PhabricatorPHID::generateNewPHID(self::PHID_TYPE);
}
public function setPassword($password) {
$this->setPasswordSalt(md5(mt_rand()));
$hash = $this->hashPassword($password);
$this->setPasswordHash($hash);
return $this;
}
public function comparePassword($password) {
$password = $this->hashPassword($password);
return ($password === $this->getPasswordHash());
}
private function hashPassword($password) {
$password = $this->getUsername().
$password.
$this->getPHID().
$this->getPasswordSalt();
for ($ii = 0; $ii < 1000; $ii++) {
$password = md5($password);
}
return $password;
}
const CSRF_CYCLE_FREQUENCY = 3600;
const CSRF_TOKEN_LENGTH = 16;
const EMAIL_CYCLE_FREQUENCY = 86400;
const EMAIL_TOKEN_LENGTH = 24;
public function getCSRFToken($offset = 0) {
return $this->generateToken(
time() + (self::CSRF_CYCLE_FREQUENCY * $offset),
self::CSRF_CYCLE_FREQUENCY,
PhabricatorEnv::getEnvConfig('phabricator.csrf-key'),
self::CSRF_TOKEN_LENGTH);
}
public function validateCSRFToken($token) {
for ($ii = -1; $ii <= 1; $ii++) {
$valid = $this->getCSRFToken($ii);
if ($token == $valid) {
return true;
}
}
return false;
}
private function generateToken($epoch, $frequency, $key, $len) {
$time_block = floor($epoch / $frequency);
$vec = $this->getPHID().$this->passwordHash.$key.$time_block;
return substr(sha1($vec), 0, $len);
}
public function establishSession($session_type) {
$conn_w = $this->establishConnection('w');
$urandom = fopen('/dev/urandom', 'r');
if (!$urandom) {
throw new Exception("Failed to open /dev/urandom!");
}
$entropy = fread($urandom, 20);
if (strlen($entropy) != 20) {
throw new Exception("Failed to read /dev/urandom!");
}
$session_key = sha1($entropy);
queryfx(
$conn_w,
'INSERT INTO phabricator_session '.
'(userPHID, type, sessionKey, sessionStart)'.
' VALUES '.
'(%s, %s, %s, UNIX_TIMESTAMP()) '.
'ON DUPLICATE KEY UPDATE '.
'sessionKey = VALUES(sessionKey), '.
'sessionStart = VALUES(sessionStart)',
$this->getPHID(),
$session_type,
$session_key);
return $session_key;
}
public function generateEmailToken($offset = 0) {
return $this->generateToken(
time() + ($offset * self::EMAIL_CYCLE_FREQUENCY),
self::EMAIL_CYCLE_FREQUENCY,
PhabricatorEnv::getEnvConfig('phabricator.csrf-key').$this->getEmail(),
self::EMAIL_TOKEN_LENGTH);
}
public function validateEmailToken($token) {
for ($ii = -1; $ii <= 1; $ii++) {
$valid = $this->generateEmailToken($ii);
if ($token == $valid) {
return true;
}
}
return false;
}
}
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