### Home Classes Methods

### In Files

- lib/merb-core/controller/mixins/authentication.rb

### Namespace

- CLASS Merb::AuthenticationMixin::BasicAuthentication

### Methods

- #basic_authentication

### Files

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No matching classes.

# Merb::AuthenticationMixin

### Public Instance Methods

basic_authentication(realm = "Application", &authenticator) click to toggle source

Attempts to authenticate the user via HTTP Basic authentication. Takes a block with the username and password, if the block yields false the authentication is not accepted and :halt is thrown.

If no block is passed, `basic_authentication`, the `request` and `authenticate` methods can be chained. These can be used to independently request authentication or confirm it, if more control is desired.

#### Parameters

realm<~to_s> | The realm to authenticate against. Defaults to 'Application'.
&authenticator | A block to check if the authentication is valid.

#### Returns

Merb::AuthenticationMixin::BasicAuthentication

#### Examples

    class Application < Merb::Controller

      before :authenticate

      protected

      def authenticate
        basic_authentication("My App") do |username, password|
          password == "secret"
        end
      end

    end

    class Application < Merb::Controller

      before :authenticate

      def authenticate
        user = basic_authentication.authenticate do |username, password|
          User.authenticate(username, password)
        end

        if user
          @current_user = user
        else
          basic_authentication.request
        end
      end

    end

If you need to request basic authentication inside an action you need to use the request! method.

#### Example

    class Sessions < Application

      def new
        case content_type
        when :html
          render

        else
         user = basic_authentication.authenticate do |username, password|
           User.authenticate(username, password)
         end

         if user
           display(user)
         else
           basic_authentication.request
         end
        end
      end

    end

:api: public

    # File lib/merb-core/controller/mixins/authentication.rb, line 79
    def basic_authentication(realm = "Application", &authenticator)
      @_basic_authentication ||= BasicAuthentication.new(self, realm, &authenticator)
    end

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