2019-03-01 23:45:55 +08:00
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// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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//
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package ghttp
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import (
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2019-07-29 21:01:19 +08:00
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"github.com/gogf/gf/util/gconv"
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2019-03-01 23:45:55 +08:00
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)
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// See https://www.w3.org/TR/cors/ .
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// 服务端允许跨域请求选项
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type CORSOptions struct {
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AllowOrigin string // Access-Control-Allow-Origin
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AllowCredentials string // Access-Control-Allow-Credentials
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ExposeHeaders string // Access-Control-Expose-Headers
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MaxAge int // Access-Control-Max-Age
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AllowMethods string // Access-Control-Allow-Methods
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AllowHeaders string // Access-Control-Allow-Headers
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2019-03-01 23:45:55 +08:00
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}
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// 默认的CORS配置
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func (r *Response) DefaultCORSOptions() CORSOptions {
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return CORSOptions{
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AllowOrigin: "*",
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AllowMethods: HTTP_METHODS,
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AllowCredentials: "true",
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MaxAge: 3628800,
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}
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2019-03-01 23:45:55 +08:00
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}
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// See https://www.w3.org/TR/cors/ .
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// 允许请求跨域访问.
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func (r *Response) CORS(options CORSOptions) {
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if options.AllowOrigin != "" {
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r.Header().Set("Access-Control-Allow-Origin", options.AllowOrigin)
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}
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if options.AllowCredentials != "" {
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r.Header().Set("Access-Control-Allow-Credentials", options.AllowCredentials)
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}
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if options.ExposeHeaders != "" {
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r.Header().Set("Access-Control-Expose-Headers", options.ExposeHeaders)
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}
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if options.MaxAge != 0 {
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r.Header().Set("Access-Control-Max-Age", gconv.String(options.MaxAge))
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}
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if options.AllowMethods != "" {
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r.Header().Set("Access-Control-Allow-Methods", options.AllowMethods)
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}
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if options.AllowHeaders != "" {
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r.Header().Set("Access-Control-Allow-Headers", options.AllowHeaders)
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}
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2019-03-01 23:45:55 +08:00
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}
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2019-03-31 20:52:30 +08:00
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// 允许请求跨域访问(使用默认配置).
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2019-03-01 23:45:55 +08:00
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func (r *Response) CORSDefault() {
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r.CORS(r.DefaultCORSOptions())
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}
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