31 lines
692 B
Go
31 lines
692 B
Go
package middleware
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import (
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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)
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// CORS adds permissive demo CORS headers for any origin.
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func CORS() gin.HandlerFunc {
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allowedMethods := "GET, POST, PUT, DELETE, OPTIONS"
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allowedHeaders := "Authorization, Content-Type"
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return func(c *gin.Context) {
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if c.GetHeader("Origin") != "" {
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headers := c.Writer.Header()
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headers.Set("Access-Control-Allow-Origin", "*")
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headers.Set("Access-Control-Allow-Methods", allowedMethods)
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headers.Set("Access-Control-Allow-Headers", allowedHeaders)
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}
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if strings.EqualFold(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.Next()
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}
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}
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