Social authentication

config.load() alternatives.java

/**
 * Loads the application configuration from the given input stream Format of
 * the input stream should be as follows: <br/>
 * www.google.com.consumer_key = opensource.brickred.com
 * 
 * @param inputStream
 *            property file input stream which contains the configuration.
 * @throws Exception
 */
public void load(final InputStream inputStream) throws Exception { ... }

/**
 * Loads the application configuration from the given file
 * 
 * @param fileName
 *            the file name which contains the application configuration
 *            properties
 * @throws Exception
 */
public void load(final String fileName) throws Exception { ... }

/**
 * Loads the application properties from oauth_consumer.properties file.
 * 
 * @throws Exception
 */
public void load() throws Exception { ... }

/**
 * Loads the application configuration from the given properties
 * 
 * @param properties
 *            application configuration properties
 * @throws Exception
 */
public void load(final Properties properties) throws Exception { ... }

Managed bean.java

@Named(value = "userSession")
@SessionScoped
public class UserSessionBean implements Serializable {
    private SocialAuthManager manager;
    private String            originalURL;
    private String            providerID;
    private Profile           profile;
    
    public UserSessionBean() { ... }
    
    public void socialConnect() throws Exception {
        // Put your keys and secrets from the providers here 
        Properties props = System.getProperties();
        props.put("graph.facebook.com.consumer_key", FACEBOOK_APP_ID);
        props.put("graph.facebook.com.consumer_secret", FACEBOOK_APP_SECRET);
        // Define your custom permission if needed
        props.put("graph.facebook.com.custom_permissions", "publish_stream,email,user_birthday,user_location,offline_access");
        
        // Initiate required components
        SocialAuthConfig config = SocialAuthConfig.getDefault();
        config.load(props);
        manager = new SocialAuthManager();
        manager.setSocialAuthConfig(config);
        
        // 'successURL' is the page you'll be redirected to on successful login
        ExternalContext externalContext   = FacesContext.getCurrentInstance().getExternalContext();
        String          successURL        = externalContext.getRequestContextPath() + "socialLoginSuccess.xhtml"; 
        String          authenticationURL = manager.getAuthenticationUrl(providerID, successURL);
        FacesContext.getCurrentInstance().getExternalContext().redirect(authenticationURL);
    }
    
    public void pullUserInfo() {
        try {
            // Pull user's data from the provider
            ExternalContext    externalContext = FacesContext.getCurrentInstance().getExternalContext();
            HttpServletRequest request         = (HttpServletRequest) externalContext.getRequest();
            Map                map             = SocialAuthUtil.getRequestParametersMap(request);
            if (this.manager != null) {
                AuthProvider provider = manager.connect(map);
                this.profile          = provider.getUserProfile();
            
                // Do what you want with the data (e.g. persist to the database, etc.)
                System.out.println("User's Social profile: " + profile);
            
                // Redirect the user back to where they have been before logging in
                FacesContext.getCurrentInstance().getExternalContext().redirect(originalURL);
            
            } else FacesContext.getCurrentInstance().getExternalContext().redirect(externalContext.getRequestContextPath() + "home.xhtml");
        } catch (Exception ex) {
            System.out.println("UserSession - Exception: " + ex.toString());
        } 
    }
    
    public void logOut() {
        try {
            // Disconnect from the provider
            manager.disconnectProvider(providerID);
            
            // Invalidate session
            ExternalContext    externalContext = FacesContext.getCurrentInstance().getExternalContext();
            HttpServletRequest request         = (HttpServletRequest) externalContext.getRequest();
            this.invalidateSession(request);
            
            // Redirect to home page
            FacesContext.getCurrentInstance().getExternalContext().redirect(externalContext.getRequestContextPath() + "home.xhtml";);
        } catch (IOException ex) {
            System.out.println("UserSessionBean - IOException: " + ex.toString());
        }
    }
    
    // Getters and Setters
}

Provider IDs

Facebook   = "facebook"
Google     = "google"
Twitter    = "twitter"
Yahoo      = "yahoo"
Hotmail    = "hotmail"
LinkedIn   = "linkedin"
Foursquare = "foursquare"
OpenId     = Need users to enter manually

Remember request URL.xhtml

<f:view>
    <ui:param name="originalURL" value="#{request.requestURI}?#{request.queryString}" />
        
    <f:metadata>
        <f:event rendered="#{empty userSession.profile}" type="preRenderView" listener="#{userSession.setOriginalURL(originalURL)}" />
    </f:metadata>
</f:view>

Social buttons.xhtml

<h:form>
    <h:panelGroup rendered="#{empty userSession.profile}" id="socialButtons" >
        <h:commandLink id="facebook" action="#{userSession.socialConnect}" >
            <f:setPropertyActionListener target="#{userSession.providerID}" value="facebook" />
            <h:graphicImage value="/images/facebook_icon.png" />
        </h:commandLink>
  
        <h:commandLink id="google" action="#{userSession.socialConnect}" >
            <f:setPropertyActionListener target="#{userSession.providerID}" value="google" />
            <h:graphicImage value="/images/google-icon.jpg" />
        </h:commandLink>
    </h:panelGroup>

    <h:panelGrid columns="3" rendered="#{not empty userSession.profile}" >
        <h:graphicImage rendered="#{not empty userSession.profile.profileImageURL}" value="#{userSession.profile.profileImageURL}" />
        
        <h:outputText value="Hello, #{userSession.profile.fullName}" />
        
        <h:commandButton value="Log out" actionListener="#{userSession.logOut}" />
    </h:panelGrid>
</h:form>

SocialAuthManager exception

SEVERE: This is not the same SocailAuthManager object that was used for login.Please check if you have called getAuthenticationUrl() method before calling connect()
  at org.brickred.socialauth.SocialAuthManager.connect(SocialAuthManager.java:179)
	at commonBeans.UserSessionBean.pullUserInfo(UserSessionBean.java:117)

socialLoginSuccess.xhtml

<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html">
    <h:head>
        <title>Social login success</title>
    </h:head>
    <h:body>
        <h:outputText style="display:none;" value="#{userSession.pullUserInfo()}" />
    </h:body>
</html>