Move English documentation to folder en_US

1 files changed, 40 insertions, 0 deletions

diff --git a/doc/en_US/plugin-authentication.markdown b/doc/en_US/plugin-authentication.markdown
new file mode 100644
index 00000000..e1ca6f01
--- /dev/null
+++ b/doc/en_US/plugin-authentication.markdown
@@ -0,0 +1,40 @@
+Authentication Plugin
+=====================
+
+New authentication backends can be written with very few lines of code.
+
+Provider Registration
+---------------------
+
+In the method `initialize()` of your plugin, call the method `register()` of the class `AuthenticationManager`:
+
+```php
+public function initialize()
+{
+    $this->authenticationManager->register(new ReverseProxyLdapAuth($this->container));
+}
+```
+
+The object provided to the method `register()` must implement one of the pre-defined authentication interfaces.
+
+Those interfaces are defined in the namepsace `Kanboard\Core\Security`:
+
+- `Kanboard\Core\Security\PreAuthenticationProviderInterface`
+- `Kanboard\Core\Security\PostAuthenticationProviderInterface`
+- `Kanboard\Core\Security\PasswordAuthenticationProviderInterface`
+- `Kanboard\Core\Security\OAuthAuthenticationProviderInterface`
+
+The only requirement is to implement the interfaces, you class can be written the way you want and located anywhere on the disk.
+
+User Provider
+-------------
+
+When the authentication is successful, your driver must return an object that represents the user.
+This object must implement the interface `Kanboard\Core\User\UserProviderInterface`.
+
+Example of authentication plugins
+---------------------------------
+
+- [Authentication providers included in Kanboard](https://github.com/kanboard/kanboard/tree/master/app/Auth)
+- [Reverse-Proxy Authentication with LDAP support](https://github.com/kanboard/plugin-reverse-proxy-ldap)
+- [SMS Two-Factor Authentication](https://github.com/kanboard/plugin-sms-2fa)