我尝试获取 Facebook 登录的访问 token ,但出现错误。我找到的所有答案都告诉我有关错误的redirect_uri 格式。 这是我得到的错误:
{
"error": {
"message": "Error validating verification code. Please make sure your redirect_uri is identical to the one you used in the OAuth dialog request",
"type": "OAuthException",
"code": 100,
"fbtrace_id": "Ht12b5BKgRK"
}
}
我所做的步骤:
- https://graph.facebook.com/oauth/authorize?client_id=APP_ID&redirect_uri=http://127.0.0.1:8080/MyProject/Mapping&scope=user_posts&response_type=code
- 此链接将我重定向到 http://127.0.0.1:8080/MyProject/Mapping?code=GENERATED_CODE
- 然后在代码中我生成下一个 URI: https://graph.facebook.com/oauth/access_token?client_id=549422435210997&redirect_uri=http://127.0.0.1:8080/MyProject/Mapping&client_secret=CLIENT_SECRET&code=GENERATED_CODE
- 请求此 URI 会出现错误,而不是
access_token
我也尝试过redirect_uri=http://127.0.0.1:8080/MyProject/Mapping/
。仍然没有结果。
此外,我使用 Java 的 RestFB 库绑定(bind)了相同的步骤。并得到同样的错误。
ScopeBuilder scopeBuilder = new ScopeBuilder();
scopeBuilder.addPermission(UserDataPermissions.USER_POSTS);
FacebookClient client = new DefaultFacebookClient(Version.LATEST);
String loginDialogUrlString = client.getLoginDialogUrl(APP_ID, "http://127.0.0.1:8080/MyProject/Mapping", scopeBuilder);
System.out.println(loginDialogUrlString);
System.out.println();
AccessToken appAccessToken = client.obtainAppAccessToken(APP_ID, APP_SECRET);
System.out.println(appAccessToken.getAccessToken());
System.out.println(appAccessToken.getTokenType());
//On this step i got the same error
AccessToken userAccessToken = client.obtainUserAccessToken(APP_ID, APP_SECRET, "http://127.0.0.1:8080/MyProject/Mapping/", appAccessToken.getAccessToken());
System.out.println(userAccessToken.getAccessToken());
最佳答案
当我这样做时,让我困扰的一件事是确保redirect_uri是URL编码的。在 Java 中,我的代码做了类似的事情:
import java.net.URLEncoder;
URLEncoder.encode("http://127.0.0.1:8080/MyProject/Mapping", "UTF-8")
我的重定向 URL。不要对整个 URL 进行编码,仅对您的redirect_uri 部分进行编码。
关于java - Facebook OAuth 错误 : Error validating verification code,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36774231/