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Commit30f94a6

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Merge branch '2.2' into 2.3
Conflicts:book/security.rstcookbook/security/entity_provider.rst
2 parentsa535ae0 +58d1cbb commit30f94a6

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‎book/security.rst

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@@ -665,7 +665,7 @@ see :doc:`/cookbook/security/form_login`.
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),
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),
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**3. Be sure``/login_check`` is behind a firewall**
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**3. Be sure /login_check is behind a firewall**
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Next, make sure that your ``check_path`` URL (e.g. ``/login_check``)
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is behind the firewall you're using for your form login (in this example,
@@ -1221,7 +1221,7 @@ in plain text (whether those users are stored in a configuration file or in
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a database somewhere). Of course, in a real application, you'll want to encode
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your users' passwords for security reasons. This is easily accomplished by
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mapping your User class to one of several built-in "encoders". For example,
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to store your users in memory, but obscure their passwords via ``sha1``,
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to store your users in memory, but obscure their passwords via ``bcrypt``,
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do the following:
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..configuration-block::
@@ -1235,14 +1235,17 @@ do the following:
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in_memory:
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memory:
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users:
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ryan:{ password: bb87a29949f3a1ee0559f8a57357487151281386, roles: 'ROLE_USER' }
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admin:{ password: 74913f5cd5f61ec0bcfdb775414c2fb3d161b620, roles: 'ROLE_ADMIN' }
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ryan:
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password:$2a$12$w/aHvnC/XNeDVrrl65b3dept8QcKqpADxUlbraVXXsC03Jam5hvoO
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roles:'ROLE_USER'
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admin:
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password:$2a$12$HmOsqRDJK0HuMDQ5Fb2.AOLMQHyNHGD0seyjU3lEVusjT72QQEIpW
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roles:'ROLE_ADMIN'
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encoders:
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Symfony\Component\Security\Core\User\User:
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algorithm:sha1
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iterations:1
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encode_as_base64:false
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algorithm:bcrypt
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cost:12
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..code-block::xml
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@@ -1252,18 +1255,18 @@ do the following:
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<providername="in_memory">
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<memory>
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<username="ryan"
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password="bb87a29949f3a1ee0559f8a57357487151281386"
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password="$2a$12$w/aHvnC/XNeDVrrl65b3dept8QcKqpADxUlbraVXXsC03Jam5hvoO"
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roles="ROLE_USER" />
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<username="admin"
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password="74913f5cd5f61ec0bcfdb775414c2fb3d161b620"
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password="$2a$12$HmOsqRDJK0HuMDQ5Fb2.AOLMQHyNHGD0seyjU3lEVusjT72QQEIpW"
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roles="ROLE_ADMIN" />
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</memory>
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</provider>
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<encoderclass="Symfony\Component\Security\Core\User\User"
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algorithm="sha1"
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iterations="1"
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encode_as_base64="false"/>
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algorithm="bcrypt"
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cost="12"
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/>
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</config>
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..code-block::php
@@ -1276,11 +1279,11 @@ do the following:
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'memory' => array(
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'users' => array(
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'ryan' => array(
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'password' => 'bb87a29949f3a1ee0559f8a57357487151281386',
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'password' => '$2a$12$w/aHvnC/XNeDVrrl65b3dept8QcKqpADxUlbraVXXsC03Jam5hvoO',
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'roles' => 'ROLE_USER',
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),
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'admin' => array(
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'password' => '74913f5cd5f61ec0bcfdb775414c2fb3d161b620',
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'password' => '$2a$12$HmOsqRDJK0HuMDQ5Fb2.AOLMQHyNHGD0seyjU3lEVusjT72QQEIpW',
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'roles' => 'ROLE_ADMIN',
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),
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),
@@ -1289,77 +1292,36 @@ do the following:
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),
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'encoders' => array(
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'Symfony\Component\Security\Core\User\User' => array(
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'algorithm' => 'sha1',
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'iterations' => 1,
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'encode_as_base64' => false,
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'algorithm' => 'bcrypt',
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'iterations' => 12,
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),
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),
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));
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By setting the ``iterations`` to ``1`` and the ``encode_as_base64`` to false,
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the password is simply run through the ``sha1`` algorithm one time and without
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any extra encoding. You can now calculate the hashed password either programmatically
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(e.g. ``hash('sha1', 'ryanpass')``) or via some online tool like `functions-online.com`_
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..tip::
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Supported algorithms for this method depend on your PHP version.
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A full list is available calling the PHP function:phpfunction:`hash_algos`.
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If you're creating your users dynamically (and storing them in a database),
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you can use even tougher hashing algorithms and then rely on an actual password
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encoder object to help you encode passwords. For example, suppose your User
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object is ``Acme\UserBundle\Entity\User`` (like in the above example). First,
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configure the encoder for that user:
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..configuration-block::
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..code-block::yaml
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# app/config/security.yml
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security:
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# ...
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encoders:
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Acme\UserBundle\Entity\User:sha512
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..code-block::xml
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..versionadded::2.2
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The BCrypt encoder was introduced in Symfony 2.2.
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<!-- app/config/security.xml-->
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<config>
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<!-- ...-->
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You can now calculate the hashed password either programmatically
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(e.g. ``password_hash('ryanpass', PASSWORD_BCRYPT, array('cost' => 12));``)
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or via some online tool.
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<encoderclass="Acme\UserBundle\Entity\User"algorithm="sha512" />
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</config>
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..include::/cookbook/security/_ircmaxwell_password-compat.rst.inc
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..code-block::php
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// app/config/security.php
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$container->loadFromExtension('security', array(
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// ...
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'encoders' => array(
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'Acme\UserBundle\Entity\User' => 'sha512',
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),
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));
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In this case, you're using the stronger ``sha512`` algorithm. Also, since
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you've simply specified the algorithm (``sha512``) as a string, the system
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will default to hashing your password 5000 times in a row and then encoding
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it as base64. In other words, the password has been greatly obfuscated so
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that the hashed password can't be decoded (i.e. you can't determine the password
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from the hashed password).
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Supported algorithms for this method depend on your PHP version. A full list
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is available by calling the PHP function:phpfunction:`hash_algos`.
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..versionadded::2.2
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As of Symfony 2.2 you can also use the:ref:`PBKDF2<reference-security-pbkdf2>`
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and:ref:`BCrypt<reference-security-bcrypt>`passwordencoders.
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passwordencoder.
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Determining the Hashed Password
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...............................
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1359-
If you have some sort of registration form for users, you'll need to be able
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to determine the hashed password so that you can set it on your user. No
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matter what algorithm you configure for your user object, the hashed password
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can always be determined in the following way from a controller::
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If you're storing users in the database and you have some sort of registration
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form for users, you'll need to be able to determine the hashed password so
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that you can set it on your user before inserting it. No matter what algorithm
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you configure for your user object, the hashed password can always be determined
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in the following way from a controller::
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$factory = $this->get('security.encoder_factory');
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$user = new Acme\UserBundle\Entity\User();
@@ -1368,6 +1330,10 @@ can always be determined in the following way from a controller::
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$password = $encoder->encodePassword('ryanpass', $user->getSalt());
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$user->setPassword($password);
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In order for this to work, just make sure that you have the encoder for your
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user class (e.g. ``Acme\UserBundle\Entity\User``) configured under the ``encoders``
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key in ``app/config/security.yml``.
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..caution::
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When you allow a user to submit a plaintext password (e.g. registration
@@ -1956,5 +1922,4 @@ Learn more from the Cookbook
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.. _`JMSSecurityExtraBundle`:http://jmsyst.com/bundles/JMSSecurityExtraBundle/1.2
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.. _`FOSUserBundle`:https://github.com/FriendsOfSymfony/FOSUserBundle
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.. _`implement the\Serializable interface`:http://php.net/manual/en/class.serializable.php
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.. _`functions-online.com`:http://www.functions-online.com/sha1.html
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.. _`Timing attack`:http://en.wikipedia.org/wiki/Timing_attack
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@@ -0,0 +1,13 @@
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.. caution::
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If you're using PHP 5.4 or lower, you'll need to install the ``ircmaxell/password-compat``
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library via Composer in order to be able to use the ``bcrypt`` encoder:
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.. code-block:: json
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{
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"require": {
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...
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"ircmaxell/password-compat":"~1.0.3"
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}
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}

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