Linkedin OAuth2授权码错误 [英] Linkedin OAuth2 authorization code error

问题描述

1. 在linkedin中添加了我自己的应用程序。
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2. 生成授权网址： https://www.linkedin.com/uas/oauth2/authorization?response_type=code&client_id=XXX&范围= r_basicprofile％20r_fullprofile％20r_emailaddress& state = DCEEFWF454Us5dffef424& redirect_uri = http：// localhost：9090 / springmvc / token.htm


3. 介绍linkedin的登录名/密码新的弹出窗口。
   
4. 在redirect_uri之前取回成功的请求，并获取授权代码code


5. 生成accessToken URL
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6. 通过以下方式进行发布： https://www.linkedin.com/uas/ oauth2 / accessToken？grant_type = authorization_code& code = YYY& redirect_uri = http：// localhost：9090 / SpringMVC / token.htm& client_id = XXX& client_secret = ZZZ 获取响应中的下一个错误：{error_description：缺少必需的参数，包含一个无效的参数值，参数不止一次。 ：无法检索访问令牌：appId或重定向URI与授权码或授权码过期不匹配，error：invalid_request}

我已验证的网址参数是正确的：
- code是在步骤4中接收到的令牌。

• redirect_uri与第2步和第4步中的网址相同。我在我的APP上的OAuth 2.0重定向网址部分添加了此网址。

client_id和client_secret是我APP上的客户端API和秘密API。


• 第一次和第二次请求之间的时间小于20秒。
  

解决方案您的 redirect_uri 参数必须是URL编码的，所以在6. do：

  https：// www。 linkedin.com/uas/oauth2/accessToken?grant_type=authorization_code&code=YYY&redirect_uri=http%3A%2F%2Flocalhost%3A9090%2FSpringMVC%2Ftoken.htm&client_id=XXX&client_secret=ZZZ 
  

，它不需要作为POST发送，而是作为GET发送。

I´m trying to connect via Linkedin Auth2 from a java web application:

1. Added my own app in linkedin.
2. Generate the authorization URL: https://www.linkedin.com/uas/oauth2/authorization?response_type=code&client_id=XXX&scope=r_basicprofile%20r_fullprofile%20r_emailaddress&state=DCEEFWF454Us5dffef424&redirect_uri=http://localhost:9090/springmvc/token.htm
3. Introduce my login/password for linkedin in the new popup.
4. Get back successful the request on the redirect_uri previus, and take the authorization code "code"
5. Generate the accessToken URL
6. Make a POST with: https://www.linkedin.com/uas/oauth2/accessToken?grant_type=authorization_code&code=YYY&redirect_uri=http://localhost:9090/SpringMVC/token.htm&client_id=XXX&client_secret=ZZZ
7. Get next error in response: {"error_description":"missing required parameters, includes an invalid parameter value, parameter more than once. : Unable to retrieve access token : appId or redirect uri does not match authorization code or authorization code expired","error":"invalid_request"}

I´ve verified url parameters are correct: - "code" is the token receive on step 4.

• "redirect_uri" is the same URL on step 2 and 4. I added this URL on section "OAuth 2.0 redirect URL" on my APP.

• "client_id" and "client_secret" are the "Client API" and "Secret API" on my APP.

• Time between first and second request is less than 20 seconds.

解决方案

The value of your redirect_uri parameter must be URL-encoded, so at 6. do:

 https://www.linkedin.com/uas/oauth2/accessToken?grant_type=authorization_code&code=YYY&redirect_uri=http%3A%2F%2Flocalhost%3A9090%2FSpringMVC%2Ftoken.htm&client_id=XXX&client_secret=ZZZ

and it need not be sent as a POST but as a GET.

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