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    Before a Friend Request Is Responded

    Last updated: 2024-02-07 17:30:51
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      Feature Description

      This API is used by the app backend to:
      View responses to friend requests in real time.
      Block malicious responses to friend requests.

      Notes

      To enable this callback, you must configure a callback URL and toggle on the corresponding protocol. For more information on the configuration method, see Callback Configuration.
      During this callback, the IM backend initiates an HTTP POST request to the app backend.
      After receiving the callback request, the app backend must check whether the SDKAppID contained in the request URL is the SDKAppID of the app.
      For more security considerations, see the Security Considerations section in Third-Party Callback Overview.

      Callback Triggering Scenarios

      An app user initiates a response to accept or reject a friend request.

      Callback Triggering Timing

      IM backend receives a response from an app user to a friend request.
      Caution:
      Responses initiated via RESTful API calls to friend requests will not trigger the callback.

      API Calling Description

      Sample request URL

      In the following sample, the callback URL configured in the app is https://www.example.com. Sample:
      https://www.example.com?SdkAppid=$SDKAppID&CallbackCommand=$CallbackCommand&contenttype=json&ClientIP=$ClientIP&OptPlatform=$OptPlatform

      Request parameters

      Parameter
      Description
      https
      The request protocol is HTTPS and the request method is POST.
      www.example.com
      Callback URL
      SdkAppid
      SDKAppID assigned by the IM console when the app is created
      CallbackCommand
      Always Sns.CallbackPrevFriendResponse
      contenttype
      Always json
      ClientIP
      Client IP, such as 127.0.0.1
      OptPlatform
      Client platform. For valid values, see the description of OptPlatform in the Callback Protocols section of Third-Party Callback Overview.

      Sample request

      {
        "CallbackCommand": "Sns.CallbackPrevFriendResponse",
        "Requester_Account": "id",
        "From_Account": "id",
        "ResponseFriendItem": [
          {
            "To_Account": "id1",
            "Remark": "remark1",
            "TagName": "group1",
            "ResponseAction": "Response_Action_AgreeAndAdd"
          },
          {
            "To_Account": "id2",
            "Remark": "remark2",
            "TagName": "group2",
            "ResponseAction": "Response_Action_Reject"
          }
        ],
        "EventTime": 1631777645424
      }

      Request fields

      Field
      Type
      Description
      CallbackCommand
      String
      Callback command
      Requester_Account
      String
      UserID of the user who initiates the friend request
      From_Account
      String
      UserID of the user who responds to the friend request
      ResponseFriendItem
      Array
      Parameter of the response to the friend request
      To_Account
      String
      UserID of the user who makes the friend request
      Remark
      String
      Friend remarks set by From_Account for To_Account. For more information, see the Standard friend fields section in Relationship Chain Management.
      TagName
      String
      Friend list set by From_Account for To_Account. For more information, see the Standard friend fields section in Relationship Chain Management.
      ResponseAction
      String
      Response method. Valid values:
      Response_Action_AgreeAndAdd: accept the friend request and add the other party as friend.
      Response_Action_Agree: agree to let the other party add you as friend.
      Response_Action_Reject: reject the friend request.
      EventTime
      Integer
      Timestamp in milliseconds

      Sample response

      {
        "ActionStatus": "OK",
        "ErrorCode": 0,
        "ErrorInfo": "",
        "ResultItem": [
          {
            "To_Account": "id1",
            "ResultCode": 0,
            "ResultInfo": ""
          },
          {
            "To_Account": "id2",
            "ResultCode": 0,
            "ResultInfo": ""
          }
        ]
      }

      Response fields

      Field
      Type
      Required
      Description
      ActionStatus
      String
      Yes
      Request result. OK: successful; FAIL: failed
      ErrorCode
      Integer
      Yes
      Error code. Valid values:
      0: processing by the app backend is successful.
      Other values: processing by the app backend fails. The IM backend ignores this error by default.
      If the processing fails, set the error code to a value in the range of [38000, 39000].
      ErrorInfo
      String
      Yes
      Error information
      ResultItem
      Array
      Yes
      Processing result from the app backend
      To_Account
      String
      Yes
      UserID of the user who initiates the friend request
      ResultCode
      Integer
      Yes
      Result code. Valid values:
      0: allow adding as friend.
      Other values: do not allow adding as friend.
      To not allow adding as friend, set the result code to a value in the range of [38000, 39000].
      ResultInfo
      String
      Yes
      Error information

      References

      Third-Party Callback Overview
      Adding Friends
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