修改cors设置

This commit is contained in:
2025-11-01 19:36:39 +08:00
parent e882c335e4
commit f274cadc3c

View File

@@ -10,36 +10,53 @@ import (
func CorsMiddleware(serverConfig *config.ServerConfig) gin.HandlerFunc { func CorsMiddleware(serverConfig *config.ServerConfig) gin.HandlerFunc {
return func(c *gin.Context) { return func(c *gin.Context) {
// 1. 打印配置的允许源(调试用,确认配置是否正确加载 // 1. 打印配置的允许源(调试用)
fmt.Printf("允许的前端源:%v\n", serverConfig.AllowedOrigins) fmt.Printf("允许的前端源配置%v\n", serverConfig.AllowedOrigins)
// 2. 获取请求的Origin头 // 2. 获取请求的Origin头
origin := c.Request.Header.Get("Origin") origin := c.Request.Header.Get("Origin")
fmt.Printf("当前请求源:%s\n", origin) // 调试用 fmt.Printf("当前请求源:%s\n", origin) // 调试用
// 3. 宽松的跨域匹配逻辑 // 3. 简化跨域逻辑:如果配置了*,直接允许所有源
allowOrigin := "" allowOrigin := ""
if len(serverConfig.AllowedOrigins) > 0 { hasWildcard := false
for _, allowed := range serverConfig.AllowedOrigins { for _, allowed := range serverConfig.AllowedOrigins {
// 支持通配符*,或精确匹配 if allowed == "*" {
if allowed == "*" || allowed == origin { hasWildcard = true
break
}
}
if hasWildcard {
// 配置了*,直接设置为*(兼容所有源)
allowOrigin = "*"
} else {
// 没有*,精确匹配
for _, allowed := range serverConfig.AllowedOrigins {
if allowed == origin {
allowOrigin = origin allowOrigin = origin
break break
} }
} }
} }
// 设置跨域头
if allowOrigin != "" { if allowOrigin != "" {
c.Writer.Header().Set("Access-Control-Allow-Origin", allowOrigin) c.Writer.Header().Set("Access-Control-Allow-Origin", allowOrigin)
} }
c.Writer.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS,PATCH") // 允许的方法包含上传需要的POST
c.Writer.Header().Set("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, Authorization") c.Writer.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS, PATCH")
// 允许的头包含上传可能用到的Content-Type
c.Writer.Header().Set("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, Authorization, X-Requested-With")
// 允许携带凭证(如果前端需要)
c.Writer.Header().Set("Access-Control-Allow-Credentials", "true") c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
c.Writer.Header().Set("Access-Control-Max-Age", "86400") // 24小时缓存预检请求 // 预检请求缓存时间24小时
c.Writer.Header().Set("Access-Control-Max-Age", "86400")
// 6. 处理OPTIONS预检请求 // 4. 处理OPTIONS预检请求(上传文件前浏览器会先发这个请求)
if c.Request.Method == "OPTIONS" { if c.Request.Method == "OPTIONS" {
c.AbortWithStatus(http.StatusNoContent) // 使用204更规范 fmt.Println("收到OPTIONS预检请求返回204") // 调试用
c.AbortWithStatus(http.StatusNoContent)
return return
} }