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24 lines
645 B
Go
24 lines
645 B
Go
package middleware
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import "net/http"
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func CORS(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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origin := r.Header.Get("Origin")
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if origin == "" {
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origin = "*"
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}
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w.Header().Set("Access-Control-Allow-Origin", origin)
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w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization, X-Wallet-Address, X-Wallet-Chain")
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w.Header().Set("Access-Control-Max-Age", "86400")
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if r.Method == http.MethodOptions {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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