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Added support for Facebook login

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mposolda 2013-08-09 20:04:11 +02:00
parent 25888b2ef4
commit 13ea0ee609
6 changed files with 263 additions and 0 deletions
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5
examples/as7-eap-demo/server/pom.xml
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@ -45,6 +45,11 @@
<artifactId>keycloak-social-twitter</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-social-facebook</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-sdk-html</artifactId>

34
social/facebook/pom.xml Normal file
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@ -0,0 +1,34 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>keycloak-social-parent</artifactId>
<groupId>org.keycloak</groupId>
<version>1.0-alpha-1</version>
<relativePath>../pom.xml</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<packaging>jar</packaging>
<artifactId>keycloak-social-facebook</artifactId>
<name>Keycloak Social Facebook</name>
<description/>
<dependencies>
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-social-core</artifactId>
<version>${project.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.jboss.resteasy</groupId>
<artifactId>resteasy-client</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
</project>

145
social/facebook/src/main/java/org/keycloak/social/facebook/FacebookProvider.java Normal file
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@ -0,0 +1,145 @@
package org.keycloak.social.facebook;
import java.net.URI;
import java.util.UUID;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.Form;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import org.jboss.resteasy.client.jaxrs.ResteasyClient;
import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.keycloak.social.AuthCallback;
import org.keycloak.social.AuthRequest;
import org.keycloak.social.AuthRequestBuilder;
import org.keycloak.social.SocialProvider;
import org.keycloak.social.SocialProviderConfig;
import org.keycloak.social.SocialProviderException;
import org.keycloak.social.SocialUser;
/**
* Social provider for Facebook
*
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class FacebookProvider implements SocialProvider {
private static final String AUTHENTICATION_ENDPOINT_URL = "https://graph.facebook.com/oauth/authorize";
private static final String ACCESS_TOKEN_ENDPOINT_URL = "https://graph.facebook.com/oauth/access_token";
private static final String PROFILE_ENDPOINT_URL = "https://graph.facebook.com/me";
private static final String DEFAULT_RESPONSE_TYPE = "code";
private static final String DEFAULT_SCOPE = "email";
@Override
public String getId() {
return "facebook";
}
@Override
public AuthRequest getAuthUrl(SocialProviderConfig config) throws SocialProviderException {
String state = UUID.randomUUID().toString();
AuthRequestBuilder b = AuthRequestBuilder.create(state, AUTHENTICATION_ENDPOINT_URL).setQueryParam("client_id", config.getKey())
.setQueryParam("response_type", DEFAULT_RESPONSE_TYPE).setQueryParam("scope", DEFAULT_SCOPE)
.setQueryParam("redirect_uri", config.getCallbackUrl()).setQueryParam("state", state);
b.setAttribute("state", state);
return b.build();
}
@Override
public String getRequestIdParamName() {
return "state";
}
@Override
public String getName() {
return "Facebook";
}
@Override
public SocialUser processCallback(SocialProviderConfig config, AuthCallback callback) throws SocialProviderException {
String code = callback.getQueryParam(DEFAULT_RESPONSE_TYPE);
try {
if (!callback.getQueryParam("state").equals(callback.getAttribute("state"))) {
throw new SocialProviderException("Invalid state");
}
ResteasyClient client = new ResteasyClientBuilder()
.hostnameVerification(ResteasyClientBuilder.HostnameVerificationPolicy.ANY).build();
String accessToken = loadAccessToken(code, config, client);
FacebookUser facebookUser = loadUser(accessToken, client);
SocialUser socialUser = new SocialUser(facebookUser.getId());
socialUser.setEmail(facebookUser.getEmail());
socialUser.setLastName(facebookUser.getLastName());
socialUser.setFirstName(facebookUser.getFirstName());
return socialUser;
} catch (SocialProviderException spe) {
throw spe;
} catch (Exception e) {
throw new SocialProviderException(e);
}
}
protected String loadAccessToken(String code, SocialProviderConfig config, ResteasyClient client) throws SocialProviderException {
Form form = new Form();
form.param("grant_type", "authorization_code")
.param("code", code)
.param("client_id", config.getKey())
.param("client_secret", config.getSecret())
.param("redirect_uri", config.getCallbackUrl());
Response response = client.target(ACCESS_TOKEN_ENDPOINT_URL).request().post(Entity.form(form));
if (response.getStatus() != 200) {
String errorTokenResponse = response.readEntity(String.class);
throw new SocialProviderException("Access token request to Facebook failed. Status: " + response.getStatus() + ", response: " + errorTokenResponse);
}
String accessTokenResponse = response.readEntity(String.class);
return parseParameter(accessTokenResponse, "access_token");
}
protected FacebookUser loadUser(String accessToken, ResteasyClient client) throws SocialProviderException {
URI userDetailsUri = UriBuilder.fromUri(PROFILE_ENDPOINT_URL)
.queryParam("access_token", accessToken)
.queryParam("fields", "id,name,username,first_name,last_name,email")
.build();
Response response = client.target(userDetailsUri).request()
.header(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON)
.get();
if (response.getStatus() != 200) {
String errorTokenResponse = response.readEntity(String.class);
throw new SocialProviderException("Request to Facebook for obtaining user failed. Status: " + response.getStatus() + ", response: " + errorTokenResponse);
}
return response.readEntity(FacebookUser.class);
}
// Parses value of given parameter from input string like "my_param=abcd&another_param=xyz"
private String parseParameter(String input, String paramName) {
int start = input.indexOf(paramName + "=");
if (start != -1) {
input = input.substring(start + paramName.length() + 1);
int end = input.indexOf("&");
return end==-1 ? input : input.substring(0, end);
} else {
throw new IllegalArgumentException("Parameter " + paramName + " not available in response " + input);
}
}
}

77
social/facebook/src/main/java/org/keycloak/social/facebook/FacebookUser.java Normal file
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@ -0,0 +1,77 @@
package org.keycloak.social.facebook;
import org.codehaus.jackson.annotate.JsonProperty;
/**
* Wrap info about user from Facebook
*
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class FacebookUser {
@JsonProperty("id")
private String id;
@JsonProperty("first_name")
private String firstName;
@JsonProperty("last_name")
private String lastName;
@JsonProperty("username")
private String username;
@JsonProperty("name")
private String name;
@JsonProperty("email")
private String email;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}

1
social/facebook/src/main/resources/META-INF/services/org.keycloak.social.SocialProvider Normal file
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@ -0,0 +1 @@
org.keycloak.social.facebook.FacebookProvider

1
social/pom.xml
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@ -17,6 +17,7 @@
<module>core</module>
<module>google</module>
<module>twitter</module>
<module>facebook</module>
</modules>
</project>