36 lines
867 B
Go
36 lines
867 B
Go
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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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func CORS(allowOrigins []string) gin.HandlerFunc {
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originSet := make(map[string]bool, len(allowOrigins))
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for _, o := range allowOrigins {
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originSet[o] = true
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}
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return func(c *gin.Context) {
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origin := c.GetHeader("Origin")
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if originSet["*"] || originSet[origin] {
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c.Header("Access-Control-Allow-Origin", origin)
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}
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c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS")
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c.Header("Access-Control-Allow-Headers", "Origin, Content-Type, Authorization, X-Request-ID")
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c.Header("Access-Control-Expose-Headers", "X-Request-ID")
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c.Header("Access-Control-Allow-Credentials", "true")
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c.Header("Access-Control-Max-Age", "86400")
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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.Next()
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}
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}
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