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33 lines
973 B
Go
33 lines
973 B
Go
2 years ago
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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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"golang.org/x/exp/slices"
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)
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func CORSMiddleware(allowOrigin []string) gin.HandlerFunc {
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return func(c *gin.Context) {
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httpOrigin := c.Request.Header.Get("Origin")
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// 检测origin是否在CORS列表内
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if slices.Contains(allowOrigin, httpOrigin) {
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c.Writer.Header().Set("Access-Control-Allow-Origin", httpOrigin)
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c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
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c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE")
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c.Writer.Header().Set("Access-Control-Allow-Headers", "Accept, Authorization, Content-Type, Content-Length, X-CSRF-Token, Token, session, Origin, Host, Connection, Accept-Encoding, Accept-Language, X-Requested-With, Range")
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}
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// 直接返回OPTIONS请求
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if c.Request.Method == http.MethodOptions {
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c.AbortWithStatus(http.StatusNoContent)
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return
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}
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c.Request.Header.Del("Origin")
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c.Next()
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}
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}
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