22 lines
604 B
Go
22 lines
604 B
Go
package middleware
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import (
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"net/http"
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)
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// APIKey returns middleware that validates the X-API-Key header
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// against the expected key. Returns 401 if missing or invalid.
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func APIKey(expectedKey string) func(http.Handler) http.Handler {
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return func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Header.Get("X-API-Key") != expectedKey {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte(`{"error":"unauthorized"}`))
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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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}
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