34 lines
701 B
Go
34 lines
701 B
Go
package middleware
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import (
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"encoding/json"
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"net/http"
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)
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func Auth(expectedAPIKey string, next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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apiKey := r.Header.Get("Authorization")
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if apiKey == "" {
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writeError(w, 401, "missing credentials: Authorization header is required")
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return
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}
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if expectedAPIKey != "" && apiKey != expectedAPIKey {
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writeError(w, 403, "invalid api key")
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return
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}
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next(w, r)
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}
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}
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func writeError(w http.ResponseWriter, code int, msg string) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(code)
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json.NewEncoder(w).Encode(map[string]any{
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"code": code,
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"message": msg,
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})
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}
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