28 lines
766 B
Go
28 lines
766 B
Go
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// Package middleware 定义平台 API 自有的 HTTP 中间件。
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package middleware
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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)
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const (
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allowedHeaders = "Origin, Content-Length, Content-Type, Workspace, Request-Id, Authorization, Token"
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allowedMethods = "GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS"
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)
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// Cors 允许平台前端跨域调用 API，包括状态更新使用的 PATCH 方法。
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func Cors() gin.HandlerFunc {
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return func(ctx *gin.Context) {
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ctx.Header("Access-Control-Allow-Origin", "*")
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ctx.Header("Access-Control-Allow-Headers", allowedHeaders)
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ctx.Header("Access-Control-Allow-Methods", allowedMethods)
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if ctx.Request.Method == http.MethodOptions {
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ctx.AbortWithStatus(http.StatusNoContent)
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return
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}
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ctx.Next()
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}
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}
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