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BBQ
35 lines
738 B
Go
35 lines
738 B
Go
package media
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import (
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"errors"
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"fmt"
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"io"
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)
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const (
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// MaxAssetBytes is the global max accepted payload size.
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MaxAssetBytes int64 = 200 * 1024 * 1024
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)
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// ReadAllWithLimit reads from reader and rejects payloads larger than maxBytes.
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func ReadAllWithLimit(reader io.Reader, maxBytes int64) ([]byte, error) {
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if reader == nil {
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return nil, errors.New("reader is required")
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}
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if maxBytes <= 0 {
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return nil, errors.New("max bytes must be greater than 0")
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}
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limited := &io.LimitedReader{
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R: reader,
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N: maxBytes + 1,
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}
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data, err := io.ReadAll(limited)
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if err != nil {
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return nil, err
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}
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if int64(len(data)) > maxBytes {
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return nil, fmt.Errorf("%w: max %d bytes", ErrAssetTooLarge, maxBytes)
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}
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return data, nil
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}
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