安卓：什么是运输和jsonFactory在GoogleIdTokenVerifier.Builder？ [英] Android: What is transport and jsonFactory in GoogleIdTokenVerifier.Builder?
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问题描述
在打击code，什么是交通和 jsonFactory ？ （我不明白）
<一个href=\"https://developers.google.com/identity/sign-in/android/backend-auth#using-a-google-api-client-library\" rel=\"nofollow\">https://developers.google.com/identity/sign-in/android/backend-auth#using-a-google-api-client-library
进口com.google.api.client.googleapis.auth.oauth2.GoogleIdToken;
进口com.google.api.client.googleapis.auth.oauth2.GoogleIdToken.Payload;
进口com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier;...GoogleIdTokenVerifier验证=新GoogleIdTokenVerifier.Builder（运输/ ** **在这里/，jsonFactory / ** **这里/）
.setAudience（Arrays.asList（CLIENT_ID））
//如果使用播放服务API 8.3或更新版本的检索Android上的标记，设置
//发行人https://accounts.google.com。否则，该发行者设定为
//accounts.google.com。如果您需要从多个来源验证令牌，建
//一个GoogleIdTokenVerifier为每间发行机构，并尝试他们俩。
.setIssuer（https://accounts.google.com）
。建立（）;//（通过HTTPS POST接收idTokenString）GoogleIdToken idToken = verifier.verify（idTokenString）;
如果（idToken！= NULL）{
负荷负荷= idToken.getPayload（）; //打印用户标识符
字符串userid = payload.getSubject（）;
的System.out.println（用户ID：+用户id）; //从有效载荷配置文件信息
字符串email = payload.getEmail（）;
布尔emailVerified =通过Boolean.valueOf（payload.getEmailVerified（））;
字符串名称=（字符串）payload.get（名称）;
字符串pictureUrl =（字符串）payload.get（图片）;
string地区=（字符串）payload.get（区域设置）;
字符串familyName =（字符串）payload.get（FAMILY_NAME）;
字符串给定名称=（字符串）payload.get（GIVEN_NAME）; //使用或存储的个人资料信息
// ...}其他{
的System.out.println（无效的ID令牌。）;
}
解决方案
的<一个href=\"https://developers.google.com/api-client-library/java/google-api-java-client/reference/1.19.1/com/google/api/client/googleapis/auth/oauth2/GoogleIdTokenVerifier.Builder\"相对=nofollow> GoogleIdTokenVerifier.Builder 返回GoogleIdTokenVerifier，这将使到<一个请求href=\"https://developers.google.com/identity/sign-in/android/backend-auth#calling-the-tokeninfo-endpoint\"相对=nofollow> tokeninfo端点与<一个href=\"https://developers.google.com/api-client-library/java/google-http-java-client/reference/1.19.0/com/google/api/client/http/HttpTransport\"相对=nofollow>运输你给它，并使用 JSONFactory 来创建一个解析器解析响应。
下面是一个使用GoogleIdTokenVerifier.Builder云端点项目的认证的例子
公共类GoogleAuthenticator实现验证器{ 私有静态最后记录器记录= Logger.getLogger（GoogleAuthenticator.class.getName（））;
私有静态最终JacksonFactory jacksonFactory =新JacksonFactory（）; //来源： https://developers.google.com/identity/sign-in/android/backend-auth#using-a-google-api-client-library
//如果使用播放服务API 8.3或更新版本的检索Android上的标记，设置
//发行人https://accounts.google.com。否则，该发行者设定为
//accounts.google.com。如果您需要从多个来源验证令牌，建
//一个GoogleIdTokenVerifier为每间发行机构，并尝试他们俩。 GoogleIdTokenVerifier verifierForNewAndroidClients =新GoogleIdTokenVerifier.Builder（UrlFetchTransport.getDefaultInstance（），jacksonFactory）
.setAudience（Arrays.asList（CRLConstants.IOS_CLIENT_ID，CRLConstants.ANDROID_CLIENT_ID_RELEASE，CRLConstants.ANDROID_CLIENT_ID_DEBUG））
.setIssuer（https://accounts.google.com）
。建立（）; GoogleIdTokenVerifier verifierForOtherClients =新GoogleIdTokenVerifier.Builder（UrlFetchTransport.getDefaultInstance（），jacksonFactory）
.setAudience（Arrays.asList（CRLConstants.IOS_CLIENT_ID，CRLConstants.ANDROID_CLIENT_ID_RELEASE，CRLConstants.ANDROID_CLIENT_ID_DEBUG））
.setIssuer（accounts.google.com）
。建立（）; //自定义验证器类用于验证谷歌帐户
@覆盖
公众用户进行身份验证（HttpServletRequest的请求）{ 字符串标记= request.getHeader（google_id_token）;
如果（令牌！= NULL）{ GoogleIdToken idToken = NULL;
尝试{
idToken = verifierForNewAndroidClients.verify（令牌）;
如果（idToken == NULL）idToken = verifierForOtherClients.verify（令牌）; 如果（idToken！= NULL）{ GoogleIdToken.Payload有效载荷= idToken.getPayload（）; //从有效载荷配置文件信息
字符串userid = payload.getSubject（）;
字符串email = payload.getEmail（）; 返回新GoogleUser（用户ID，电子邮件）; }其他{
log.warning（无效的谷歌ID令牌。）;
} }赶上（GeneralSecurityException E）{
log.warning（e.getLocalizedMessage（））;
}赶上（IOException异常五）{
log.warning（e.getLocalizedMessage（））;
} } 返回null;
}}
in the blow code, whats is transport and jsonFactory ? (I do not understand)
import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken;
import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken.Payload;
import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier;
...
GoogleIdTokenVerifier verifier = new GoogleIdTokenVerifier.Builder(transport /**Here**/, jsonFactory /**Here**/)
.setAudience(Arrays.asList(CLIENT_ID))
// If you retrieved the token on Android using the Play Services 8.3 API or newer, set
// the issuer to "https://accounts.google.com". Otherwise, set the issuer to
// "accounts.google.com". If you need to verify tokens from multiple sources, build
// a GoogleIdTokenVerifier for each issuer and try them both.
.setIssuer("https://accounts.google.com")
.build();
// (Receive idTokenString by HTTPS POST)
GoogleIdToken idToken = verifier.verify(idTokenString);
if (idToken != null) {
Payload payload = idToken.getPayload();
// Print user identifier
String userId = payload.getSubject();
System.out.println("User ID: " + userId);
// Get profile information from payload
String email = payload.getEmail();
boolean emailVerified = Boolean.valueOf(payload.getEmailVerified());
String name = (String) payload.get("name");
String pictureUrl = (String) payload.get("picture");
String locale = (String) payload.get("locale");
String familyName = (String) payload.get("family_name");
String givenName = (String) payload.get("given_name");
// Use or store profile information
// ...
} else {
System.out.println("Invalid ID token.");
}
解决方案
The GoogleIdTokenVerifier.Builder returns a GoogleIdTokenVerifier that will make a request to the tokeninfo endpoint with the transport you give it and use the JSONFactory to create a parser to parse the response.
Here is an example of an authenticator for a Cloud Endpoints project that uses the GoogleIdTokenVerifier.Builder
public class GoogleAuthenticator implements Authenticator {
private static final Logger log = Logger.getLogger(GoogleAuthenticator.class.getName());
private static final JacksonFactory jacksonFactory = new JacksonFactory();
// From: https://developers.google.com/identity/sign-in/android/backend-auth#using-a-google-api-client-library
// If you retrieved the token on Android using the Play Services 8.3 API or newer, set
// the issuer to "https://accounts.google.com". Otherwise, set the issuer to
// "accounts.google.com". If you need to verify tokens from multiple sources, build
// a GoogleIdTokenVerifier for each issuer and try them both.
GoogleIdTokenVerifier verifierForNewAndroidClients = new GoogleIdTokenVerifier.Builder(UrlFetchTransport.getDefaultInstance(), jacksonFactory)
.setAudience(Arrays.asList(CRLConstants.IOS_CLIENT_ID, CRLConstants.ANDROID_CLIENT_ID_RELEASE, CRLConstants.ANDROID_CLIENT_ID_DEBUG))
.setIssuer("https://accounts.google.com")
.build();
GoogleIdTokenVerifier verifierForOtherClients = new GoogleIdTokenVerifier.Builder(UrlFetchTransport.getDefaultInstance(), jacksonFactory)
.setAudience(Arrays.asList(CRLConstants.IOS_CLIENT_ID, CRLConstants.ANDROID_CLIENT_ID_RELEASE, CRLConstants.ANDROID_CLIENT_ID_DEBUG))
.setIssuer("accounts.google.com")
.build();
// Custom Authenticator class for authenticating google accounts
@Override
public User authenticate(HttpServletRequest request) {
String token = request.getHeader("google_id_token");
if (token != null) {
GoogleIdToken idToken = null;
try {
idToken = verifierForNewAndroidClients.verify(token);
if(idToken == null) idToken = verifierForOtherClients.verify(token);
if (idToken != null) {
GoogleIdToken.Payload payload = idToken.getPayload();
// Get profile information from payload
String userId = payload.getSubject();
String email = payload.getEmail();
return new GoogleUser(userId, email);
} else {
log.warning("Invalid Google ID token.");
}
} catch (GeneralSecurityException e) {
log.warning(e.getLocalizedMessage());
} catch (IOException e) {
log.warning(e.getLocalizedMessage());
}
}
return null;
}
}
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