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After a One-to-One Message Is Sent

最終更新日:2024-06-25 16:45:14

    Feature Description

    This API is used by the app backend to operate users' one-to-one messages in real time, including:
    Records one-to-one messages in real time, for example, by recording a log or synchronizing the messages to other systems.
    Collects statistics on one-to-one messages, for example, in terms of the number of users or the number of messages.

    Notes

    To enable this callback, you must configure the callback URL and enable the corresponding switch for this callback. For more information on the configuration method, see Callback Configuration.
    During this callback, the IM backend initiates an HTTPS 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.
    If the callback before sending one-to-one messages and the callback after sending one-to-one messages are both enabled and forbidding message sending is returned for the callback before sending one-to-one messages, the callback after sending one-to-one messages cannot be triggered.
    If the callback before sending one-to-one messages and the callback after sending one-to-one messages are both enabled and the message body is modified during the callback before sending one-to-one messages, the callback after sending one-to-one messages will use the modified message for callback.
    For more security considerations, see the Security Considerations section in Third-Party Callback Overview.

    Callback Trigger Scenarios

    An app user sends a one-to-one message on the client.
    The app admin sends a one-to-one message by calling the sendmsg RESTful API.

    Callback Trigger Time

    The callback is triggered after the IM backend receives a one-to-one message sent by a user and sends the message to the target user.
    Note:
    If the IM backend fails to send the message, for example, due to filtering of restricted words, the callback is still triggered.

    API Calling Description

    Sample request URL

    In the following sample, the callback URL configured in the app is https://www.example.com. Example:
    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 an app is created
    CallbackCommand
    The value is always C2C.CallbackAfterSendMsg.
    contenttype
    The value is always JSON.
    ClientIP
    IP address of the client, such as 127.0.0.1
    OptPlatform
    Platform of the client. For more information about valid values, see the description of OptPlatform in the Callback Protocols section of Third-Party Callback Overview.

    Sample requests

    {
    "CallbackCommand": "C2C.CallbackAfterSendMsg", // Callback command
    "From_Account": "jared", // Sender
    "To_Account": "Jonh", // Recipient
    "MsgSeq": 48374, // Sequence number of the message
    "MsgRandom": 2837546, // Random number of the message
    "MsgTime": 1557481126, // Timestamp in seconds indicating when the message is sent
    "MsgKey": "48374_2837546_1557481126", // Unique identifier of the message. It can be used to recall the message via a RESTful API call.
    "OnlineOnlyFlag":1, // The value is `1` if it is an online message and `0` if it's not
    "SendMsgResult": 0, // Message sending result
    "ErrorInfo": "send msg succeed", // Error information related to the failure to send the message. If the message is sent successfully, the value of this field is `send msg succeed`.
    "UnreadMsgNum": 7, // Total number of unread one-to-one messages of `To_Account`
    "MsgBody": [ // Message body
    {
    "MsgType": "TIMTextElem", // Text
    "MsgContent": {
    "Text": "red packet"
    }
    }
    ],
    "CloudCustomData": "your cloud custom data"
    }

    Request fields

    Field
    Type
    Description
    CallbackCommand
    String
    Callback command
    From_Account
    String
    UserID of the message sender
    To_Account
    String
    UserID of the message recipient
    MsgSeq
    Integer
    Sequence number of the message. It is used to identify the message and the value is a random 32-bit unsigned integer.
    MsgRandom
    Integer
    Random number of the message. It is used to identify the message and the value is a random 32-bit unsigned integer.
    MsgTime
    Integer
    Timestamp in seconds indicating when the message is sent.
    One-to-one messages are preferentially sorted by MsgTime. Messages sent in the same second are sorted by MsgSeq. Messages with larger values of MsgSeq are after those with smaller values of MsgSeq.
    MsgKey
    String
    Unique identifier of the message. It can be used to recall the message via a RESTful API call.
    MsgId
    String
    Unique identifier of the message on the client.
    OnlineOnlyFlag
    Integer
    The value is 1 if it means only to online users and 0 if it's not.
    SendMsgResult
    Integer
    Message sending result. 0: successful; other values: failed. For more information, see Error Codes.
    ErrorInfo
    String
    Error information related to the failure to send the message. If the message is sent successfully, the value of this field is send msg succeed.
    UnreadMsgNum
    Integer
    Total number of unread one-to-one messages of To_Account (including all one-to-one conversations). If the message fails to be sent, for example, due to filtering of restricted words, the value of this field is -1.
    MsgBody
    Array
    Message body. For more information, see Message Formats.
    CloudCustomData
    String
    Custom message data. It is saved in the cloud and will be sent to the peer end. Such data can be pulled after the app is uninstalled and reinstalled.

    Sample response

    {
    "ActionStatus":"OK",
    "ErrorInfo": "",
    "ErrorCode": 0 // `0`: callback succeeds; `1`: an error occurs during callback.
    }

    Response fields

    Field
    Type
    Required
    Description
    ActionStatus
    String
    Yes
    Request result. OK: successful; FAIL: failed
    ErrorCode
    Integer
    Yes
    Error code. 0: callback succeeds; 1: an error occurs during callback.
    ErrorInfo
    String
    Yes
    Error information
    References
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