28 lines
577 B
Go
28 lines
577 B
Go
package controllers
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import (
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"encoding/json"
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"errors"
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"io"
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"net/http"
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)
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const maxJSONRequestBytes int64 = 64 << 10
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func decodeJSONRequest(w http.ResponseWriter, req *http.Request, target any) error {
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req.Body = http.MaxBytesReader(w, req.Body, maxJSONRequestBytes)
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decoder := json.NewDecoder(req.Body)
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decoder.DisallowUnknownFields()
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if err := decoder.Decode(target); err != nil {
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return err
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}
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var trailing any
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if err := decoder.Decode(&trailing); err != io.EOF {
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if err == nil {
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return errors.New("multiple JSON values")
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}
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return err
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}
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return nil
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}
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