/
PasswordBroker.php
executable file
·287 lines (247 loc) · 8.08 KB
/
PasswordBroker.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
<?php
namespace Illuminate\Auth\Passwords;
use Closure;
use Illuminate\Support\Arr;
use UnexpectedValueException;
use Illuminate\Contracts\Auth\UserProvider;
use Illuminate\Contracts\Mail\Mailer as MailerContract;
use Illuminate\Contracts\Auth\PasswordBroker as PasswordBrokerContract;
use Illuminate\Contracts\Auth\CanResetPassword as CanResetPasswordContract;
class PasswordBroker implements PasswordBrokerContract
{
/**
* The password token repository.
*
* @var \Illuminate\Auth\Passwords\TokenRepositoryInterface
*/
protected $tokens;
/**
* The user provider implementation.
*
* @var \Illuminate\Contracts\Auth\UserProvider
*/
protected $users;
/**
* The mailer instance.
*
* @var \Illuminate\Contracts\Mail\Mailer
*/
protected $mailer;
/**
* The view of the password reset link e-mail.
*
* @var string
*/
protected $emailView;
/**
* The custom password validator callback.
*
* @var \Closure
*/
protected $passwordValidator;
/**
* Create a new password broker instance.
*
* @param \Illuminate\Auth\Passwords\TokenRepositoryInterface $tokens
* @param \Illuminate\Contracts\Auth\UserProvider $users
* @param \Illuminate\Contracts\Mail\Mailer $mailer
* @param string $emailView
* @return void
*/
public function __construct(TokenRepositoryInterface $tokens,
UserProvider $users,
MailerContract $mailer,
$emailView)
{
$this->users = $users;
$this->mailer = $mailer;
$this->tokens = $tokens;
$this->emailView = $emailView;
}
/**
* Send a password reset link to a user.
*
* @param array $credentials
* @param \Closure|null $callback
* @return string
*/
public function sendResetLink(array $credentials, Closure $callback = null)
{
// First we will check to see if we found a user at the given credentials and
// if we did not we will redirect back to this current URI with a piece of
// "flash" data in the session to indicate to the developers the errors.
$user = $this->getUser($credentials);
if (is_null($user)) {
return static::INVALID_USER;
}
// Once we have the reset token, we are ready to send the message out to this
// user with a link to reset their password. We will then redirect back to
// the current URI having nothing set in the session to indicate errors.
$token = $this->tokens->create($user);
$this->emailResetLink($user, $token, $callback);
return static::RESET_LINK_SENT;
}
/**
* Send the password reset link via e-mail.
*
* @param \Illuminate\Contracts\Auth\CanResetPassword $user
* @param string $token
* @param \Closure|null $callback
* @return int
*/
public function emailResetLink(CanResetPasswordContract $user, $token, Closure $callback = null)
{
// We will use the reminder view that was given to the broker to display the
// password reminder e-mail. We'll pass a "token" variable into the views
// so that it may be displayed for an user to click for password reset.
$view = $this->emailView;
return $this->mailer->send($view, compact('token', 'user'), function ($m) use ($user, $token, $callback) {
$m->to($user->getEmailForPasswordReset());
if (! is_null($callback)) {
call_user_func($callback, $m, $user, $token);
}
});
}
/**
* Reset the password for the given token.
*
* @param array $credentials
* @param \Closure $callback
* @return mixed
*/
public function reset(array $credentials, Closure $callback)
{
// If the responses from the validate method is not a user instance, we will
// assume that it is a redirect and simply return it from this method and
// the user is properly redirected having an error message on the post.
$user = $this->validateReset($credentials);
if (! $user instanceof CanResetPasswordContract) {
return $user;
}
$pass = $credentials['password'];
// Once we have called this callback, we will remove this token row from the
// table and return the response from this callback so the user gets sent
// to the destination given by the developers from the callback return.
call_user_func($callback, $user, $pass);
$this->tokens->delete($credentials['token']);
return static::PASSWORD_RESET;
}
/**
* Validate a password reset for the given credentials.
*
* @param array $credentials
* @return \Illuminate\Contracts\Auth\CanResetPassword
*/
protected function validateReset(array $credentials)
{
if (is_null($user = $this->getUser($credentials))) {
return static::INVALID_USER;
}
if (! $this->validateNewPassword($credentials)) {
return static::INVALID_PASSWORD;
}
if (! $this->tokens->exists($user, $credentials['token'])) {
return static::INVALID_TOKEN;
}
return $user;
}
/**
* Set a custom password validator.
*
* @param \Closure $callback
* @return void
*/
public function validator(Closure $callback)
{
$this->passwordValidator = $callback;
}
/**
* Determine if the passwords match for the request.
*
* @param array $credentials
* @return bool
*/
public function validateNewPassword(array $credentials)
{
list($password, $confirm) = [
$credentials['password'],
$credentials['password_confirmation'],
];
if (isset($this->passwordValidator)) {
return call_user_func(
$this->passwordValidator, $credentials) && $password === $confirm;
}
return $this->validatePasswordWithDefaults($credentials);
}
/**
* Determine if the passwords are valid for the request.
*
* @param array $credentials
* @return bool
*/
protected function validatePasswordWithDefaults(array $credentials)
{
list($password, $confirm) = [
$credentials['password'],
$credentials['password_confirmation'],
];
return $password === $confirm && mb_strlen($password) >= 6;
}
/**
* Get the user for the given credentials.
*
* @param array $credentials
* @return \Illuminate\Contracts\Auth\CanResetPassword
*
* @throws \UnexpectedValueException
*/
public function getUser(array $credentials)
{
$credentials = Arr::except($credentials, ['token']);
$user = $this->users->retrieveByCredentials($credentials);
if ($user && ! $user instanceof CanResetPasswordContract) {
throw new UnexpectedValueException('User must implement CanResetPassword interface.');
}
return $user;
}
/**
* Create a new password reset token for the given user.
*
* @param CanResetPasswordContract $user
* @return string
*/
public function createToken(CanResetPasswordContract $user)
{
return $this->tokens->create($user);
}
/**
* Delete the given password reset token.
*
* @param string $token
* @return void
*/
public function deleteToken($token)
{
$this->tokens->delete($token);
}
/**
* Validate the given password reset token.
*
* @param CanResetPasswordContract $user
* @param string $token
* @return bool
*/
public function tokenExists(CanResetPasswordContract $user, $token)
{
return $this->tokens->exists($user, $token);
}
/**
* Get the password reset token repository implementation.
*
* @return \Illuminate\Auth\Passwords\TokenRepositoryInterface
*/
public function getRepository()
{
return $this->tokens;
}
}