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cmd: Strict unmarshal for validate (#5383)

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This commit is contained in:
Francis Lavoie 2023-02-22 13:39:40 -05:00 committed by GitHub
parent 8bc05e598d
commit 79de6df93d
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 6 additions and 6 deletions
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2
caddy.go
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@ -314,7 +314,7 @@ func unsyncedDecodeAndRun(cfgJSON []byte, allowPersist bool) error {
strippedCfgJSON := RemoveMetaFields(cfgJSON)
var newCfg *Config
err := strictUnmarshalJSON(strippedCfgJSON, &newCfg)
err := StrictUnmarshalJSON(strippedCfgJSON, &newCfg)
if err != nil {
return err
}

4
cmd/commandfuncs.go
View file

@ -490,7 +490,7 @@ func cmdAdaptConfig(fl Flags) (int, error) {
// validate output if requested
if adaptCmdValidateFlag {
var cfg *caddy.Config
err = json.Unmarshal(adaptedConfig, &cfg)
err = caddy.StrictUnmarshalJSON(adaptedConfig, &cfg)
if err != nil {
return caddy.ExitCodeFailedStartup, fmt.Errorf("decoding config: %v", err)
}
@ -523,7 +523,7 @@ func cmdValidateConfig(fl Flags) (int, error) {
input = caddy.RemoveMetaFields(input)
var cfg *caddy.Config
err = json.Unmarshal(input, &cfg)
err = caddy.StrictUnmarshalJSON(input, &cfg)
if err != nil {
return caddy.ExitCodeFailedStartup, fmt.Errorf("decoding config: %v", err)
}

2
context.go
View file

@ -326,7 +326,7 @@ func (ctx Context) LoadModuleByID(id string, rawMsg json.RawMessage) (any, error
// fill in its config only if there is a config to fill in
if len(rawMsg) > 0 {
err := strictUnmarshalJSON(rawMsg, &val)
err := StrictUnmarshalJSON(rawMsg, &val)
if err != nil {
return nil, fmt.Errorf("decoding module config: %s: %v", modInfo, err)
}

4
modules.go
View file

@ -333,11 +333,11 @@ func ParseStructTag(tag string) (map[string]string, error) {
return results, nil
}
// strictUnmarshalJSON is like json.Unmarshal but returns an error
// StrictUnmarshalJSON is like json.Unmarshal but returns an error
// if any of the fields are unrecognized. Useful when decoding
// module configurations, where you want to be more sure they're
// correct.
func strictUnmarshalJSON(data []byte, v any) error {
func StrictUnmarshalJSON(data []byte, v any) error {
dec := json.NewDecoder(bytes.NewReader(data))
dec.DisallowUnknownFields()
return dec.Decode(v)