Improve mimetype handling and mapstructure downgrade

mitchellh/mapstructure added mitchellh/mapstructure#187
with 1.3.2 which somehow breaks the decode() function of kusible.

Added TODOs where applicable to check later

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/imdario/mergo v0.3.11
 	github.com/kjk/lzmadec v0.0.0-20200118223809-980b947af806
 	github.com/kr/pretty v0.2.1 // indirect
-	github.com/mitchellh/mapstructure v1.4.1
+	github.com/mitchellh/mapstructure v1.3.1
 	github.com/pborman/ansi v1.0.0
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.7.0

go.sum

@@ -534,9 +534,10 @@ github.com/mitchellh/gox v1.0.1/go.mod h1:ED6BioOGXMswlXa2zxfh/xdd5QhwYliBFn9V18
 github.com/mitchellh/hashstructure v1.0.0/go.mod h1:QjSHrPWS+BGUVBYkbTZWEnOh3G1DutKwClXU/ABz6AQ=
 github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mitchellh/mapstructure v1.4.1 h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag=
-github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/mitchellh/mapstructure v1.3.1 h1:cCBH2gTD2K0OtLlv/Y5H01VQCqmlDxz30kS5Y5bqfLA=
+github.com/mitchellh/mapstructure v1.3.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/osext v0.0.0-20151018003038-5e2d6d41470f h1:2+myh5ml7lgEU/51gbeLHfKGNfgEQQIWrlbdaOsidbQ=
 github.com/mitchellh/osext v0.0.0-20151018003038-5e2d6d41470f/go.mod h1:OkQIRizQZAeMln+1tSwduZz7+Af5oFlKirV/MSYes2A=
 github.com/mitchellh/reflectwalk v1.0.0 h1:9D+8oIskB4VJBN5SFlmc27fSlIBZaov1Wpk/IfikLNY=

pkg/inventory/config/types.go

@@ -56,6 +56,8 @@ type Params map[string]interface{}
 
 // decode the given data with the default decoder settings
 func decode(data *map[string]interface{}, result interface{}) error {
+	// TODO: check https://github.com/mitchellh/mapstructure/issues/187 to
+	// support mitchellh/mapstructure > 1.3.1
 	decoderConfig := &mapstructure.DecoderConfig{
 		ZeroFields:       true,
 		ErrorUnused:      false,

pkg/loader/file.go

@@ -69,23 +69,22 @@ func (b *FileBackend) Load() ([]byte, error) {
 	}
 
 	var raw []byte
-	switch mime.String() {
-	case "text/plain":
+	if mime.Is("text/plain") {
 		raw, err = ioutil.ReadFile(b.config.Path)
 		if err != nil {
 			return nil, err
 		}
-	case "application/x-7z-compressed":
+	} else if mime.Is("application/x-7z-compressed") {
 		raw, err = extractSingleTar7ZipFile(b.config.Path, b.config.DecryptKey)
 		if err != nil {
 			return nil, err
 		}
-	case "application/octet-stream":
+	} else if mime.Is("application/octet-stream") {
 		raw, err = decryptOpensslSymmetricFile(b.config.Path, b.config.DecryptKey)
 		if err != nil {
 			return nil, err
 		}
-	default:
+	} else {
 		return nil, errors.New("Unknown source file type: " + mime.String())
 	}
 

pkg/loader/s3.go

@@ -138,20 +138,19 @@ func (b *S3Backend) Load() ([]byte, error) {
 
 	var rawKubeconfig []byte
 
-	switch mime.String() {
-	case "text/plain":
+	if mime.Is("text/plain") {
 		rawKubeconfig = data
-	case "application/x-7z-compressed":
+	} else if mime.Is("application/x-7z-compressed") {
 		rawKubeconfig, err = extractSingleTar7Zip(data, b.config.DecryptKey)
 		if err != nil {
 			return nil, err
 		}
-	case "application/octet-stream":
+	} else if mime.Is("application/octet-stream") {
 		rawKubeconfig, err = decryptOpensslSymmetric(data, b.config.DecryptKey)
 		if err != nil {
 			return nil, err
 		}
-	default:
+	} else {
 		return nil, errors.New("Unknown kubeconfig source file type: " + mime.String())
 	}
 

pkg/loader/util.go

@@ -58,7 +58,7 @@ func extractSingleTar7ZipFile(path string, password string) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	if mime.String() != "application/x-7z-compressed" {
+	if !mime.Is("application/x-7z-compressed") {
 		return nil, errors.New("expected MIME type application/x-7z-compressed but got " + mime.String())
 	}
 

pkg/playbook/config/config.go

@@ -28,6 +28,8 @@ import (
 
 // decode the given data with the default decoder settings
 func decode(data *map[string]interface{}, result interface{}) error {
+	// TODO: check https://github.com/mitchellh/mapstructure/issues/187 to
+	// support mitchellh/mapstructure > 1.3.1
 	decoderConfig := &mapstructure.DecoderConfig{
 		ZeroFields:       true,
 		ErrorUnused:      false,