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README.md

picketlink-authentication-twitter: PicketLink Authentication with Twitter login

Author: Anil Saldhana
Technologies: CDI, PicketLink
Summary: Basic example that demonstrates Twitter authentication using PicketLink
Target Product: EAP
Source: https://github.com/jboss-developer/jboss-picketlink-quickstarts/

What is it?

This example demonstrates the use of CDI 1.0 and PicketLink in JBoss Enterprise Application Platform 6. This quickstart demonstrates using Twitter Login as the authentication mechanism for a Java EE application. This example uses an application filter called TwitterFilter that makes use of PicketLink provided authenticator called TwitterAuthenticator, for Twitter login functionality.

System requirements

All you need to build this project is Java 6.0 (Java SDK 1.6) or better, Maven 3.0 or better.

The application this project produces is designed to be run on JBoss Enterprise Application Platform 6.

Configure Maven

If you have not yet done so, you must Configure Maven before testing the quickstarts.

Obtain Twitter Application ClientID, ClientSecret

You will have to log in to Twitter Developer (https://dev.twitter.com/) account and register an application. Then you will be provided a ClientID and ClientSecret.

As an example,

 Consumer Key: provided by Twitter
 Consumer Secret: provided by Twitter
 Website: some publicly accessible url
 Callback URL: http://SOMEHOST.com:8080/jboss-as-picketlink-authentication-twitter/ 

NOTE: Twitter does not allow localhost as callback url due to security reasons. If you are testing an app on localhost, you can do some type of host mapping such as /etc/hosts as follows:

 127.0.0.1 SOMEHOST.com    localhost

Configure the JBoss Enterprise Application Platform 6.1

These steps asume that you are running the server in standalone mode and using the default standalone.xml supplied with the distribution.

You can configure the server system-property values by running the configure-twitter.cli script provided in the root directory of this quickstart, by using the JBoss CLI interactively, or by manually editing the configuration file. The three different approaches are described below. Whichever approach you choose, it must be completed before you deploy the quickstart.

NOTE - Before you begin:

  1. If it is running, stop the JBoss Enterprise Application Platform 6.
  2. Backup the file: JBOSS_HOME/standalone/configuration/standalone.xml
  3. After you have completed testing this quickstart, you can replace this file to restore the server to its original configuration.

Configure the Twitter system-properties by Running the JBoss CLI Script

  1. Start the JBoss Enterprise Application Platform 6 Server by typing the following:

    For Linux:  JBOSS_HOME/bin/standalone.sh 
    For Windows:  JBOSS_HOME\bin\standalone.bat
    
  2. Open the configure-twitter.cli file in an editor. Replace YOUR_CLIENT_ID, YOUR_CLIENT_SECRET_CODE, and YOUR_RETURN_URL with the values provided when you registered as a Twitter developer.
  3. Open a new command line, navigate to the root directory of this quickstart, and run the following command, replacing JBOSS_HOME with the path to your server:

    JBOSS_HOME/bin/jboss-cli.sh --connect --file=configure-twitter.cli
    

    This script adds the system-property valuse to the the server configuration. You should see the following result when you run the script:

    #1 /system-property=TWIT_CLIENT_ID:add(value="YOUR_CLIENT_ID")
    #2 /system-property=TWIT_CLIENT_SECRET:add(value="YOUR_CLIENT_SECRET_CODE")
    #3 /system-property=TWIT_RETURN_URL:add(value="YOUR_RETURN_URL/")
    The batch executed successfully.
    {"outcome" => "success"}
    

Configure the Twitter system-properties Using the JBoss CLI Interactively

  1. Start the JBoss Enterprise Application Platform 6 server by typing the following:

    For Linux:  JBOSS_HOME_SERVER_1/bin/standalone.sh
    For Windows:  JBOSS_HOME_SERVER_1\bin\standalone.bat
    
  2. To start the JBoss CLI tool, open a new command line, navigate to the JBOSS_HOME directory, and type the following:

    For Linux: bin/jboss-cli.sh --connect
    For Windows: bin\jboss-cli.bat --connect
    
  3. Add the Twitter system properties. At the prompt, enter the following series of commands, making sure to replace YOUR_CLIENT_ID, YOUR_CLIENT_SECRET_CODE, and YOUR_RETURN_URL with the values provided when you registered as a Twitter developer.

    [standalone@localhost:9999 /] /system-property=TWIT_CLIENT_ID:add(value="YOUR_CLIENT_ID")
    [standalone@localhost:9999 /] /system-property=TWIT_CLIENT_SECRET:add(value="YOUR_CLIENT_SECRET_CODE")
    [standalone@localhost:9999 /] /system-property=TWIT_CLIENT_RETURN_URL:add(value="YOUR_RETURN_URL/")
    
    [standalone@localhost:9999 /] :reload
    

You should see {"outcome" => "success"} after each command.

Configure the Twitter system-properties by Manually Editing the Server Configuration File

  1. If it is running, stop the JBoss Enterprise Application Platform 6 Server.
  2. Backup the file: JBOSS_HOME/standalone/configuration/standalone.xml
  3. Open the file: JBOSS_HOME/standalone/configuration/standalone.xml
  4. Add the following XML, right after . Be sure to replace YOUR_CLIENT_ID, YOUR_CLIENT_SECRET_CODE, and YOUR_RETURN_URL with the values provided when you registered as a Twitter developer.

    <system-properties>
        <property name="TWIT_CLIENT_ID" value="YOUR_CLIENT_ID"/>
        <property name="TWIT_CLIENT_SECRET" value="YOUR_CLIENT_SECRET_CODE"/>
        <property name="TWIT_RETURN_URL" value="YOUR_RETURN_URL"/>
    </system-properties>
    

An example of TWIT_RETURN_URL setting would be:

Start JBoss Enterprise Application Platform 6

  1. Open a command line and navigate to the root of the JBoss server directory.
  2. The following shows the command line to start the server with the web profile:

    For Linux:   JBOSS_HOME/bin/standalone.sh
    For Windows: JBOSS_HOME\bin\standalone.bat
    

Build and Deploy the Quickstart

NOTE: The following build command assumes you have configured your Maven user settings. If you have not, you must include Maven setting arguments on the command line. See Build and Deploy the Quickstarts for complete instructions and additional options.

  1. Make sure you have started the JBoss Server as described above.
  2. Open a command line and navigate to the root directory of this quickstart.
  3. Type this command to build and deploy the archive:

    For EAP 6:     mvn clean package jboss-as:deploy
    For WildFly:   mvn -Pwildfly clean package wildfly:deploy
    
  4. This will deploy target/jboss-as-picketlink-authentication-twitter.war to the running instance of the server.

Access the application

The application will be running at the following URL: http://localhost:8080/jboss-as-picketlink-authentication-twitter/.

Undeploy the Archive

  1. Make sure you have started the JBoss Server as described above.
  2. Open a command line and navigate to the root directory of this quickstart.
  3. When you are finished testing, type this command to undeploy the archive:

    For EAP 6:     mvn jboss-as:undeploy
    For WildFly:   mvn -Pwildfly wildfly:undeploy
    

Remove the Twitter Configuration

You can remove the Twitter system-properties by running the remove-twitter.cli script provided in the root directory of this quickstart or by manually restoring the back-up copy the configuration file.

Remove the Twitter Configuration by Running the JBoss CLI Script

  1. Start the JBoss Enterprise Application Platform 6 Server by typing the following:

    For Linux:  JBOSS_HOME_SERVER_1/bin/standalone.sh
    For Windows:  JBOSS_HOME_SERVER_1\bin\standalone.bat
    
  2. Open a new command line, navigate to the root directory of this quickstart, and run the following command, replacing JBOSS_HOME with the path to your server:

    JBOSS_HOME/bin/jboss-cli.sh --connect --file=remove-twitter.cli 
    

    This script removes the test queue from the messaging subsystem in the server configuration. You should see the following result when you run the script:

    #1 /system-property=TWIT_CLIENT_ID:remove
    #2 /system-property=TWIT_CLIENT_SECRET:remove
    #3 /system-property=TWIT_RETURN_URL:remove
    The batch executed successfully.
    {"outcome" => "success"}
    

Remove the Twitter Configuration Manually

  1. If it is running, stop the JBoss Enterprise Application Platform 6.
  2. Replace the JBOSS_HOME/standalone/configuration/standalone.xml file with the back-up copy of the file.

Run the Quickstart in JBoss Developer Studio or Eclipse

You can also start the server and deploy the quickstarts from Eclipse using JBoss tools. For more information, see Use JBoss Developer Studio or Eclipse to Run the Quickstarts

Debug the Application

If you want to debug the source code or look at the Javadocs of any library in the project, run either of the following commands to pull them into your local repository. The IDE should then detect them.

    mvn dependency:sources
    mvn dependency:resolve -Dclassifier=javadoc
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