feat: Implement comprehensive webhook notification system

service/webhook.go

@@ -0,0 +1,118 @@
+package service
+
+import (
+	"bytes"
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"one-api/dto"
+	"one-api/setting"
+	"time"
+)
+
+// WebhookPayload webhook 通知的负载数据
+type WebhookPayload struct {
+	Type      string        `json:"type"`
+	Title     string        `json:"title"`
+	Content   string        `json:"content"`
+	Values    []interface{} `json:"values,omitempty"`
+	Timestamp int64         `json:"timestamp"`
+}
+
+// generateSignature 生成 webhook 签名
+func generateSignature(secret string, payload []byte) string {
+	h := hmac.New(sha256.New, []byte(secret))
+	h.Write(payload)
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+// SendWebhookNotify 发送 webhook 通知
+func SendWebhookNotify(webhookURL string, secret string, data dto.Notify) error {
+	// 处理占位符
+	content := data.Content
+	for _, value := range data.Values {
+		content = fmt.Sprintf(content, value)
+	}
+
+	// 构建 webhook 负载
+	payload := WebhookPayload{
+		Type:      data.Type,
+		Title:     data.Title,
+		Content:   content,
+		Values:    data.Values,
+		Timestamp: time.Now().Unix(),
+	}
+
+	// 序列化负载
+	payloadBytes, err := json.Marshal(payload)
+	if err != nil {
+		return fmt.Errorf("failed to marshal webhook payload: %v", err)
+	}
+
+	// 创建 HTTP 请求
+	var req *http.Request
+	var resp *http.Response
+
+	if setting.EnableWorker() {
+		// 构建worker请求数据
+		workerReq := &WorkerRequest{
+			URL:    webhookURL,
+			Key:    setting.WorkerValidKey,
+			Method: http.MethodPost,
+			Headers: map[string]string{
+				"Content-Type": "application/json",
+			},
+			Body: payloadBytes,
+		}
+
+		// 如果有secret，添加签名到headers
+		if secret != "" {
+			signature := generateSignature(secret, payloadBytes)
+			workerReq.Headers["X-Webhook-Signature"] = signature
+			workerReq.Headers["Authorization"] = "Bearer " + secret
+		}
+
+		resp, err = DoWorkerRequest(workerReq)
+		if err != nil {
+			return fmt.Errorf("failed to send webhook request through worker: %v", err)
+		}
+		defer resp.Body.Close()
+
+		// 检查响应状态
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			return fmt.Errorf("webhook request failed with status code: %d", resp.StatusCode)
+		}
+	} else {
+		req, err = http.NewRequest(http.MethodPost, webhookURL, bytes.NewBuffer(payloadBytes))
+		if err != nil {
+			return fmt.Errorf("failed to create webhook request: %v", err)
+		}
+
+		// 设置请求头
+		req.Header.Set("Content-Type", "application/json")
+
+		// 如果有 secret，生成签名
+		if secret != "" {
+			signature := generateSignature(secret, payloadBytes)
+			req.Header.Set("X-Webhook-Signature", signature)
+		}
+
+		// 发送请求
+		client := GetImpatientHttpClient()
+		resp, err = client.Do(req)
+		if err != nil {
+			return fmt.Errorf("failed to send webhook request: %v", err)
+		}
+		defer resp.Body.Close()
+
+		// 检查响应状态
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			return fmt.Errorf("webhook request failed with status code: %d", resp.StatusCode)
+		}
+	}
+
+	return nil
+}