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30 lines
885 B
30 lines
885 B
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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// CORSMiddleware 跨域中间件
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func CORSMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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origin := c.Request.Header.Get("Origin")
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if origin == "" {
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c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
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} else {
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c.Writer.Header().Set("Access-Control-Allow-Origin", origin)
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}
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c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
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c.Header("Access-Control-Allow-Headers", "Authorization, Content-Length, Content-Type")
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c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers")
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c.Header("Access-Control-Max-Age", "172800")
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c.Header("Access-Control-Allow-Credentials", "true")
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if c.Request.Method == http.MethodOptions {
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c.AbortWithStatus(http.StatusOK)
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return
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}
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c.Next()
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}
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}
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