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feat: support lark app now (close #41)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,161 @@ | ||
| package channel | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "message-pusher/common" | ||
| "message-pusher/model" | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
|
||
| type larkAppTokenRequest struct { | ||
| AppID string `json:"app_id"` | ||
| AppSecret string `json:"app_secret"` | ||
| } | ||
|
|
||
| type larkAppTokenResponse struct { | ||
| Code int `json:"code"` | ||
| Msg string `json:"msg"` | ||
| TenantAccessToken string `json:"tenant_access_token"` | ||
| Expire int `json:"expire"` | ||
| } | ||
|
|
||
| type LarkAppTokenStoreItem struct { | ||
| AppID string | ||
| AppSecret string | ||
| AccessToken string | ||
| } | ||
|
|
||
| func (i *LarkAppTokenStoreItem) Key() string { | ||
| return i.AppID + i.AppSecret | ||
| } | ||
|
|
||
| func (i *LarkAppTokenStoreItem) IsShared() bool { | ||
| var count int64 = 0 | ||
| model.DB.Model(&model.Channel{}).Where("secret = ? and app_id = ? and type = ?", | ||
| i.AppSecret, i.AppID, model.TypeLarkApp).Count(&count) | ||
| return count > 1 | ||
| } | ||
|
|
||
| func (i *LarkAppTokenStoreItem) IsFilled() bool { | ||
| return i.AppID != "" && i.AppSecret != "" | ||
| } | ||
|
|
||
| func (i *LarkAppTokenStoreItem) Token() string { | ||
| return i.AccessToken | ||
| } | ||
|
|
||
| func (i *LarkAppTokenStoreItem) Refresh() { | ||
| // https://open.feishu.cn/document/ukTMukTMukTM/ukDNz4SO0MjL5QzM/auth-v3/auth/tenant_access_token_internal | ||
| tokenRequest := larkAppTokenRequest{ | ||
| AppID: i.AppID, | ||
| AppSecret: i.AppSecret, | ||
| } | ||
| tokenRequestData, err := json.Marshal(tokenRequest) | ||
| responseData, err := http.Post("https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal", | ||
| "application/json; charset=utf-8", bytes.NewBuffer(tokenRequestData)) | ||
| if err != nil { | ||
| common.SysError("failed to refresh access token: " + err.Error()) | ||
| return | ||
| } | ||
| defer responseData.Body.Close() | ||
| var res larkAppTokenResponse | ||
| err = json.NewDecoder(responseData.Body).Decode(&res) | ||
| if err != nil { | ||
| common.SysError("failed to decode larkAppTokenResponse: " + err.Error()) | ||
| return | ||
| } | ||
| if res.Code != 0 { | ||
| common.SysError(res.Msg) | ||
| return | ||
| } | ||
| i.AccessToken = res.TenantAccessToken | ||
| common.SysLog("access token refreshed") | ||
| } | ||
|
|
||
| type larkAppMessageRequest struct { | ||
| ReceiveId string `json:"receive_id"` | ||
| MsgType string `json:"msg_type"` | ||
| Content string `json:"content"` | ||
| } | ||
|
|
||
| type larkAppMessageResponse struct { | ||
| Code int `json:"code"` | ||
| Msg string `json:"msg"` | ||
| } | ||
|
|
||
| func parseLarkAppTarget(target string) (string, string, error) { | ||
| parts := strings.Split(target, ":") | ||
| if len(parts) != 2 { | ||
| return "", "", errors.New("无效的飞书应用号消息接收者参数") | ||
| } | ||
| return parts[0], parts[1], nil | ||
| } | ||
|
|
||
| func SendLarkAppMessage(message *model.Message, user *model.User, channel_ *model.Channel) error { | ||
| // https://open.feishu.cn/document/uAjLw4CM/ukTMukTMukTM/reference/im-v1/message/create | ||
| rawTarget := message.To | ||
| if rawTarget == "" { | ||
| rawTarget = channel_.AccountId | ||
| } | ||
| targetType, target, err := parseLarkAppTarget(rawTarget) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| request := larkAppMessageRequest{ | ||
| ReceiveId: target, | ||
| } | ||
| atPrefix := getLarkAtPrefix(message) | ||
| if message.Description != "" { | ||
| request.MsgType = "text" | ||
| content := larkTextContent{Text: atPrefix + message.Description} | ||
| contentData, err := json.Marshal(content) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| request.Content = string(contentData) | ||
| } else { | ||
| request.MsgType = "interactive" | ||
| content := larkCardContent{} | ||
| content.Config.WideScreenMode = true | ||
| content.Config.EnableForward = true | ||
| content.Elements = append(content.Elements, larkMessageRequestCardElement{ | ||
| Tag: "div", | ||
| Text: larkMessageRequestCardElementText{ | ||
| Content: atPrefix + message.Content, | ||
| Tag: "lark_md", | ||
| }, | ||
| }) | ||
| contentData, err := json.Marshal(content) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| request.Content = string(contentData) | ||
| } | ||
| requestData, err := json.Marshal(request) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| key := fmt.Sprintf("%s%s", channel_.AppId, channel_.Secret) | ||
| accessToken := TokenStoreGetToken(key) | ||
| url := fmt.Sprintf("https://open.feishu.cn/open-apis/im/v1/messages?receive_id_type=%s", targetType) | ||
| req, _ := http.NewRequest("POST", url, bytes.NewReader(requestData)) | ||
| req.Header.Set("Authorization", "Bearer "+accessToken) | ||
| req.Header.Set("Content-Type", "application/json; charset=utf-8") | ||
| resp, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| var res larkAppMessageResponse | ||
| err = json.NewDecoder(resp.Body).Decode(&res) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if res.Code != 0 { | ||
| return errors.New(res.Msg) | ||
| } | ||
| return nil | ||
| } |
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