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Feature Description
This API is used by the app backend to:
View friend requests in real time.
Block malicious 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 Chat 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 friend request on the client.
Callback Triggering Timing
The Chat backend receives a friend request from the app.
Caution:
Friend requests initiated via RESTful API calls 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 Chat console when the app is created |
CallbackCommand | Always Sns.CallbackPrevFriendAdd |
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.CallbackPrevFriendAdd","Requester_Account": "id","From_Account": "id","FriendItem": [{"To_Account": "id1","Remark": "remark1","GroupName": "group1","AddSource": "AddSource_Type_Android","AddWording": "this is id1!"},{"To_Account": "id2","Remark": "remark2","GroupName": "group1","AddSource": "AddSource_Type_Android","AddWording": "this is id2!"}],"AddType": "Add_Type_Both","ForceAddFlags": 0,"EventTime": 1631777344870}
Request fields
Field | Type | Description |
CallbackCommand | String | Callback command |
Requester_Account | String | UserID of the user who initiates the request |
From_Account | String | UserID of the user who requests to add friend |
FriendItem | Array | Parameter of the friend request |
To_Account | String | UserID of user to be added as friend |
Remark | String | Friend remarks set by From_Account for To_Account . For more information, see the Standard friend fields section in Contacts Management. |
GroupName | String | Friend list set by From_Account for To_Account . For more information, see the Standard friend fields section in Contacts Management. |
AddSource | String | Source from which a friend is added. For more information, see the Standard friend fields section in Contacts Management. |
AddWording | String | Friend request content. For more information, see the Standard friend fields section in Contacts Management. |
AddType | String | Friend adding mode. Valid values: Add_Type_Single : one-wayAdd_Type_Both (default): two-way |
ForceAddFlags | Integer | Flag denoting the friend is force added by an admin. Valid values: 1 : force adding0 : normal adding |
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 Chat 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 to be added as friend |
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 |