2025-01-08 15:52:20 +08:00
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package main
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import (
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"crypto/aes"
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"crypto/cipher"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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2025-01-09 15:17:36 +08:00
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"net/url"
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2025-01-08 15:52:20 +08:00
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credential "github.com/bytedance/douyin-openapi-credential-go/client"
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openApiSdkClient "github.com/bytedance/douyin-openapi-sdk-go/client"
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)
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2025-01-09 15:17:36 +08:00
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type APIResponse struct {
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BaseResp struct {
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StatusCode int `json:"StatusCode"`
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StatusMessage string `json:"StatusMessage"`
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} `json:"BaseResp"`
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Data struct {
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Records []struct {
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Aid string `json:"aid"`
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Cost int `json:"cost"`
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Did string `json:"did"`
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EventName string `json:"event_name"`
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EventTime string `json:"event_time"`
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OpenID string `json:"open_id"`
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ID int `json:"id"`
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} `json:"records"`
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Total int `json:"total"`
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} `json:"data"`
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ErrMsg string `json:"err_msg"`
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ErrNo int `json:"err_no"`
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LogID string `json:"log_id"`
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}
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2025-01-08 15:52:20 +08:00
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// 获取 access_token 的函数
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func GetAccessToken() (string, error) {
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// 初始化 SDK 客户端,设置 app_id 和 secret
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opt := new(credential.Config).
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SetClientKey("tt8b32fd8f14071db707"). // 替换为你的 app_id
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SetClientSecret("44018e80b1bde34395a52de67ce1e0c37c572d80") // 替换为你的 secret
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// 创建 SDK 客户端
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sdkClient, err := openApiSdkClient.NewClient(opt)
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if err != nil {
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return "", fmt.Errorf("SDK 初始化失败: %v", err)
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}
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// 构造获取 token 的请求参数
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sdkRequest := &openApiSdkClient.AppsV2TokenRequest{}
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sdkRequest.SetAppid("tt8b32fd8f14071db707") // 设置应用 ID
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sdkRequest.SetGrantType("client_credential") // 设置授权类型(client_credentials 模式)
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sdkRequest.SetSecret("44018e80b1bde34395a52de67ce1e0c37c572d80") // 设置密钥
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// 调用 SDK 获取 access_token
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sdkResponse, err := sdkClient.AppsV2Token(sdkRequest)
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if err != nil {
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fmt.Println("sdk call err:", err)
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return "", nil
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}
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fmt.Println("sdk数据", sdkResponse.Data)
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// 返回 access_token
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return *sdkResponse.Data.AccessToken, nil
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}
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func DecryptAES128CBC(encryptedData, sessionKey, iv string) ([]byte, error) {
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// Base64 解码 key 和 iv
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aesKey, err := base64.StdEncoding.DecodeString(sessionKey)
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if err != nil {
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return nil, fmt.Errorf("sessionKey Base64 解码失败: %v", err)
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}
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initialVector, err := base64.StdEncoding.DecodeString(iv)
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if err != nil {
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return nil, fmt.Errorf("iv Base64 解码失败: %v", err)
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}
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// 检查 key 和 iv 长度是否为 16 字节
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if len(aesKey) != 16 {
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return nil, fmt.Errorf("AES key 长度必须为 16 字节")
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}
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if len(initialVector) != 16 {
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return nil, fmt.Errorf("IV 长度必须为 16 字节")
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}
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// Base64 解码密文
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ciphertext, err := base64.StdEncoding.DecodeString(encryptedData)
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if err != nil {
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return nil, fmt.Errorf("encryptedData Base64 解码失败: %v", err)
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}
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// 创建 AES 块
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block, err := aes.NewCipher(aesKey)
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if err != nil {
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return nil, fmt.Errorf("创建 AES Cipher 失败: %v", err)
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}
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// 检查密文长度是否为块大小的倍数
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if len(ciphertext)%aes.BlockSize != 0 {
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return nil, fmt.Errorf("密文长度必须是 AES 块大小的倍数")
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}
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// 创建 CBC 解密器
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mode := cipher.NewCBCDecrypter(block, initialVector)
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// 解密数据
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decrypted := make([]byte, len(ciphertext))
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mode.CryptBlocks(decrypted, ciphertext)
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// 去除 PKCS#7 填充
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decrypted, err = PKCS7Unpad(decrypted)
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if err != nil {
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return nil, fmt.Errorf("去除 PKCS#7 填充失败: %v", err)
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}
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return decrypted, nil
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}
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// PKCS#7 填充去除函数
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func PKCS7Unpad(data []byte) ([]byte, error) {
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length := len(data)
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if length == 0 {
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return nil, fmt.Errorf("解密后数据长度为 0")
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}
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padding := int(data[length-1])
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if padding > length || padding == 0 {
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return nil, fmt.Errorf("无效的填充数据")
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}
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return data[:length-padding], nil
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}
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func main() {
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// 定义 HTTP 路由和处理函数
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http.HandleFunc("/get-ecpm", func(w http.ResponseWriter, r *http.Request) {
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// 检查 HTTP 请求方法是否为 GET
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if r.Method != http.MethodGet {
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http.Error(w, "无效的请求方法", http.StatusMethodNotAllowed)
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return
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}
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// 从请求中获取参数
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openID := r.URL.Query().Get("open_id") // 获取 open_id
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mpID := r.URL.Query().Get("mp_id") // 获取 mp_id
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dateHour := r.URL.Query().Get("date_hour") // 获取 date_hour
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pageNo := r.URL.Query().Get("pageNo") // 获取 date_hour
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pageSize := r.URL.Query().Get("pageSize") // 获取 date_hour
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// 检查是否有缺少参数
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if mpID == "" || dateHour == "" {
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http.Error(w, "缺少必要的参数", http.StatusBadRequest)
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return
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}
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// 动态获取 access_token
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accessToken, err := GetAccessToken()
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apiURL := "https://minigame.zijieapi.com/mgplatform/api/apps/data/get_ecpm"
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2025-01-08 15:52:20 +08:00
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if err != nil {
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http.Error(w, fmt.Sprintf("获取 access_token 失败: %v", err), http.StatusInternalServerError)
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return
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}
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fmt.Println("动态token为", accessToken)
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params := url.Values{}
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params.Add("open_id", openID)
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params.Add("mp_id", mpID)
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params.Add("date_hour", dateHour)
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params.Add("access_token", accessToken)
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params.Add("page_no", pageNo)
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params.Add("page_size", pageSize)
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// 构造请求体
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// requestBody := map[string]string{
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// "open_id": openID,
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// "mp_id": mpID,
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// "date_hour": dateHour,
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// "access_token": accessToken,
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// "page_no": pageNo,
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// "page_size": pageSize,
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// }
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fullURL := fmt.Sprintf("%s?%s", apiURL, params.Encode())
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// requestBodyJSON, err := json.Marshal(requestBody) // 转为 JSON 格式
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// if err != nil {
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// http.Error(w, "请求体编码失败", http.StatusInternalServerError)
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// return
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// }
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2025-01-08 15:52:20 +08:00
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2025-01-09 15:17:36 +08:00
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resp, err := http.Get(fullURL)
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2025-01-08 15:52:20 +08:00
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if err != nil {
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http.Error(w, "调用抖音 API 失败", http.StatusInternalServerError)
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return
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}
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defer resp.Body.Close()
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// 读取抖音 API 的响应
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responseBody, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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http.Error(w, "读取抖音 API 响应失败", http.StatusInternalServerError)
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return
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}
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2025-01-09 15:17:36 +08:00
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var apiResponse APIResponse
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err = json.Unmarshal(responseBody, &apiResponse)
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if err != nil {
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fmt.Printf("Error while parsing response JSON: %v\n", err)
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return
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}
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if apiResponse.ErrNo != 0 {
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fmt.Printf("API Error: %s (ErrNo: %d)\n", apiResponse.ErrMsg, apiResponse.ErrNo)
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return
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}
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totalCost := 0
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totalRecords := len(apiResponse.Data.Records)
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for _, record := range apiResponse.Data.Records {
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totalCost += record.Cost
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}
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2025-01-09 15:17:36 +08:00
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if totalRecords == 0 {
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fmt.Println("No records found. Unable to calculate ECPM.")
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return
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}
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ecpm := float64(totalCost) / 100000 * 1000 / float64(totalRecords)
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fmt.Println("返回值为", responseBody)
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// 根据key返回相应的值(这里可以替换为实际的业务逻辑)
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value := fmt.Sprintf("Value for key '%s'", ecpm)
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2025-01-08 15:52:20 +08:00
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// 将抖音 API 的响应返回给客户端
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(resp.StatusCode)
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w.Write([]byte(value))
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})
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http.HandleFunc("/Login", func(w http.ResponseWriter, r *http.Request) {
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// 检查请求方法是否为GET
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if r.Method != http.MethodGet {
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http.Error(w, "Invalid request method", http.StatusMethodNotAllowed)
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return
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}
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// 从请求参数中获取"code"和"Anonymous"
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code := r.URL.Query().Get("code")
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Anonymous := r.URL.Query().Get("Anonymous")
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fmt.Println("code:", code)
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fmt.Println("Anonymous:", Anonymous)
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// 参数校验
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if code == "" {
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http.Error(w, "Missing 'code' or 'Anonymous' parameter", http.StatusBadRequest)
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return
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}
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// 初始化 SDK 客户端
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opt := new(credential.Config).
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SetClientKey("tt8b32fd8f14071db707").
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SetClientSecret("44018e80b1bde34395a52de67ce1e0c37c572d80")
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sdkClient, err := openApiSdkClient.NewClient(opt)
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if err != nil {
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fmt.Println("sdk init err:", err)
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http.Error(w, "SDK 初始化失败", http.StatusInternalServerError)
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return
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}
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// 构建请求参数
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sdkRequest := &openApiSdkClient.V2Jscode2sessionRequest{}
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sdkRequest.SetAnonymousCode(Anonymous)
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sdkRequest.SetAppid("tt8b32fd8f14071db707")
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sdkRequest.SetCode(code)
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sdkRequest.SetSecret("44018e80b1bde34395a52de67ce1e0c37c572d80")
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// 调用 SDK
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sdkResponse, err := sdkClient.V2Jscode2session(sdkRequest)
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if err != nil {
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fmt.Println("sdk call err:", err)
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http.Error(w, "SDK 调用失败", http.StatusInternalServerError)
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return
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}
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// 打印登录数据
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fmt.Println("登录数据:", sdkResponse)
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// 返回响应
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value := fmt.Sprintf("Session Data: %v", sdkResponse.Data)
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(value))
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})
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// 启动 HTTP 服务器
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fmt.Println("服务器已启动:http://localhost:8080")
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err := http.ListenAndServe(":8080", nil) // 监听 8080 端口
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if err != nil {
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fmt.Println("服务器启动失败:", err)
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}
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|
|
|
|
}
|