我的数据库中有一个包含用户的表。他们的密码是用我自己的自定义哈希函数生成的。
如何重写 laravel 4 中的身份验证方法以使用我自己的哈希类？
这就是我一直在努力做的事情：
class CustomUserProvider implements Illuminate\Auth\UserProviderInterface {
public function retrieveByID($identifier)
{
return $this->createModel()->newQuery()->find($identifier);
}
public function retrieveByCredentials(array $credentials)
{
// 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 = $this->createModel()->newQuery();
foreach ($credentials as $key => $value)
{
if ( ! str_contains($key, 'password')) $query->where($key, $value);
}
return $query->first();
}
public function validateCredentials(Illuminate\Auth\UserInterface $user, array $credentials)
{
$plain = $credentials['password'];
return $this->hasher->check($plain, $user->getAuthPassword());
}
}
class CodeIgniter extends Illuminate\Auth\Guard {
}
App::bind('Illuminate\Auth\UserProviderInterface', 'CustomUserProvider');
Auth::extend('codeigniter', function()
{
return new CodeIgniter( App::make('CustomUserProvider'), App::make('session'));
});
当我运行 Auth::attempt 方法时，出现此错误：
ErrorException：警告：G:\Dropbox\Workspaces\www\video\vendor\laravel\framework\src\Illuminate\Foundation\Application.php 第 352 行中 isset 中存在非法偏移类型或空
这就是最终解决问题的方法：
库\CustomHasherServiceProvider.php
use Illuminate\Support\ServiceProvider;
class CustomHasherServiceProvider extends ServiceProvider {
public function register()
{
$this->app->bind('hash', function()
{
return new CustomHasher;
});
}
}
库\CustomHasher.php
class CustomHasher implements Illuminate\Hashing\HasherInterface {
private $NUMBER_OF_ROUNDS = '$5$rounds=7331$';
public function make($value, array $options = array())
{
$salt = uniqid();
$hash = crypt($password, $this->NUMBER_OF_ROUNDS . $salt);
return substr($hash, 15);
}
public function check($value, $hashedValue, array $options = array())
{
return $this->NUMBER_OF_ROUNDS . $hashedValue === crypt($value, $this->NUMBER_OF_ROUNDS . $hashedValue);
}
}
然后我在 app/config/app.php 的提供者数组中将 'Illuminate\Hashing\HashServiceProvider' 替换为 'CustomHasherServiceProvider'
并添加了“app/libraries”以在composer.json中自动加载类映射
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