<?php
namespace Illuminate\Auth;
use Illuminate\Contracts\Auth\Authenticatable as UserContract;
use Illuminate\Contracts\Auth\UserProvider;
use Illuminate\Contracts\Hashing\Hasher as HasherContract;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Support\Str;
class EloquentUserProvider implements UserProvider
{
/**
* The hasher implementation.
*
* @var \Illuminate\Contracts\Hashing\Hasher
*/
protected $hasher;
/**
* The Eloquent user model.
*
* @var string
*/
protected $model;
/**
* Create a new database user provider.
*
* @param \Illuminate\Contracts\Hashing\Hasher $hasher
* @param string $model
* @return void
*/
public function __construct(HasherContract $hasher, $model)
{
$this->model = $model;
$this->hasher = $hasher;
}
/**
* Retrieve a user by their unique identifier.
*
* @param mixed $identifier
* @return \Illuminate\Contracts\Auth\Authenticatable|null
*/
public function retrieveById($identifier)
{
$model = $this->createModel();
return $this->newModelQuery($model)
->where($model->getAuthIdentifierName(), $identifier)
->first();
}
/**
* Retrieve a user by their unique identifier and "remember me" token.
*
* @param mixed $identifier
* @param string $token
* @return \Illuminate\Contracts\Auth\Authenticatable|null
*/
public function retrieveByToken($identifier, $token)
{
$model = $this->createModel();
$retrievedModel = $this->newModelQuery($model)->where(
$model->getAuthIdentifierName(), $identifier
)->first();
if (! $retrievedModel) {
return;
}
$rememberToken = $retrievedModel->getRememberToken();
return $rememberToken && hash_equals($rememberToken, $token)
? $retrievedModel : null;
}
/**
* Update the "remember me" token for the given user in storage.
*
* @param \Illuminate\Contracts\Auth\Authenticatable|\Illuminate\Database\Eloquent\Model $user
* @param string $token
* @return void
*/
public function updateRememberToken(UserContract $user, $token)
{
$user->setRememberToken($token);
$timestamps = $user->timestamps;
$user->timestamps = false;
$user->save();
$user->timestamps = $timestamps;
}
/**
* Retrieve a user by the given credentials.
*
* @param array $credentials
* @return \Illuminate\Contracts\Auth\Authenticatable|null
*/
public function retrieveByCredentials(array $credentials)
{
if (empty($credentials) ||
(count($credentials) === 1 &&
Str::contains($this->firstCredentialKey($credentials), 'password'))) {
return;
}
// First we will add each credential element to the query as a where clause.
// Then we can execute the query and, if we found a user, return it in a
// Eloquent User "model" that will be utilized by the Guard instances.
$query = $this->newModelQuery();
foreach ($credentials as $key => $value) {
if (Str::contains($key, 'password')) {
continue;
}
if (is_array($value) || $value instanceof Arrayable) {
$query->whereIn($key, $value);
} else {
$query->where($key, $value);
}
}
return $query->first();
}
/**
* Get the first key from the credential array.
*
* @param array $credentials
* @return string|null
*/
protected function firstCredentialKey(array $credentials)
{
foreach ($credentials as $key => $value) {
return $key;
}
}
/**
* Validate a user against the given credentials.
*
* @param \Illuminate\Contracts\Auth\Authenticatable $user
* @param array $credentials
* @return bool
*/
public function validateCredentials(UserContract $user, array $credentials)
{
$plain = $credentials['password'];
return $this->hasher->check($plain, $user->getAuthPassword());
}
/**
* Get a new query builder for the model instance.
*
* @param \Illuminate\Database\Eloquent\Model|null $model
* @return \Illuminate\Database\Eloquent\Builder
*/
protected function newModelQuery($model = null)
{
return is_null($model)
? $this->createModel()->newQuery()
: $model->newQuery();
}
/**
* Create a new instance of the model.
*
* @return \Illuminate\Database\Eloquent\Model
*/
public function createModel()
{
$class = '\\'.ltrim($this->model, '\\');
return new $class;
}
/**
* Gets the hasher implementation.
*
* @return \Illuminate\Contracts\Hashing\Hasher
*/
public function getHasher()
{
return $this->hasher;
}
/**
* Sets the hasher implementation.
*
* @param \Illuminate\Contracts\Hashing\Hasher $hasher
* @return $this
*/
public function setHasher(HasherContract $hasher)
{
$this->hasher = $hasher;
return $this;
}
/**
* Gets the name of the Eloquent user model.
*
* @return string
*/
public function getModel()
{
return $this->model;
}
/**
* Sets the name of the Eloquent user model.
*
* @param string $model
* @return $this
*/
public function setModel($model)
{
$this->model = $model;
return $this;
}
}