🎨 添加中间件 && 完善预设注入功能 && 新增流式传输

server/middleware/cors.go

@@ -0,0 +1,25 @@
+package middleware
+
+import (
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+// Cors 直接放行全部跨域请求
+func Cors() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		method := c.Request.Method
+		origin := c.Request.Header.Get("Origin")
+		c.Header("Access-Control-Allow-Origin", origin)
+		c.Header("Access-Control-Allow-Headers", "Content-Type,AccessToken,X-CSRF-Token, Authorization, Token,X-Token,X-User-Id")
+		c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS,DELETE,PUT")
+		c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Content-Type, New-Token, New-Expires-At")
+		c.Header("Access-Control-Allow-Credentials", "true")
+
+		// 放行所有OPTIONS方法
+		if method == "OPTIONS" {
+			c.AbortWithStatus(http.StatusNoContent)
+		}
+		c.Next()
+	}
+}