✨ feat: add telegram bot (#71)

middleware/telegram.go

@@ -0,0 +1,22 @@
+package middleware
+
+import (
+	"one-api/common/telegram"
+	"os"
+
+	"github.com/gin-gonic/gin"
+)
+
+func Telegram() func(c *gin.Context) {
+	return func(c *gin.Context) {
+		token := c.Param("token")
+
+		if !telegram.TGEnabled || telegram.TGWebHookSecret == "" || token == "" || token != os.Getenv("TG_BOT_API_KEY") {
+			c.String(404, "Page not found")
+			c.Abort()
+			return
+		}
+
+		c.Next()
+	}
+}