57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
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package config
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import (
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"bytes"
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"compress/gzip"
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"encoding/base64"
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"fmt"
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)
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func DecodeBase64Content(content string) ([]byte, error) {
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output, err := base64.StdEncoding.DecodeString(content)
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if err != nil {
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return nil, fmt.Errorf("Unable to decode base64: %q", err)
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}
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return output, nil
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}
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func DecodeGzipContent(content string) ([]byte, error) {
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gzr, err := gzip.NewReader(bytes.NewReader([]byte(content)))
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if err != nil {
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return nil, fmt.Errorf("Unable to decode gzip: %q", err)
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}
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defer gzr.Close()
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buf := new(bytes.Buffer)
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buf.ReadFrom(gzr)
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return buf.Bytes(), nil
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}
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func DecodeContent(content string, encoding string) ([]byte, error) {
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switch encoding {
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case "":
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return []byte(content), nil
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case "b64", "base64":
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return DecodeBase64Content(content)
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case "gz", "gzip":
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return DecodeGzipContent(content)
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case "gz+base64", "gzip+base64", "gz+b64", "gzip+b64":
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gz, err := DecodeBase64Content(content)
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if err != nil {
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return nil, err
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}
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return DecodeGzipContent(string(gz))
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}
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return nil, fmt.Errorf("Unsupported encoding %q", encoding)
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}
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