mirror of
https://github.com/bluenviron/mediamtx
synced 2024-12-14 02:34:52 +00:00
43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
package conf
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import (
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"encoding/json"
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"fmt"
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"regexp"
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"strings"
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)
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var reCredential = regexp.MustCompile(`^[a-zA-Z0-9!\$\(\)\*\+\.;<=>\[\]\^_\-\{\}@#&]+$`)
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const credentialSupportedChars = "A-Z,0-9,!,$,(,),*,+,.,;,<,=,>,[,],^,_,-,\",\",@,#,&"
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// Credential is a parameter that is used as username or password.
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type Credential string
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// MarshalJSON implements json.Marshaler.
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func (d Credential) MarshalJSON() ([]byte, error) {
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return json.Marshal(string(d))
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}
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// UnmarshalJSON implements json.Unmarshaler.
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func (d *Credential) UnmarshalJSON(b []byte) error {
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var in string
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if err := json.Unmarshal(b, &in); err != nil {
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return err
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}
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if in != "" &&
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!strings.HasPrefix(in, "sha256:") &&
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!reCredential.MatchString(in) {
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return fmt.Errorf("credential contains unsupported characters. Supported are: %s", credentialSupportedChars)
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}
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*d = Credential(in)
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return nil
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}
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// UnmarshalEnv implements envUnmarshaler.
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func (d *Credential) UnmarshalEnv(s string) error {
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return d.UnmarshalJSON([]byte(`"` + s + `"`))
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}
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