Fix 'configure' request for custom stores (#21)

errors/errors.go

@@ -10,79 +10,37 @@ type Code int
 // Error codes that are sent to the browser extension and used as exit codes in the app.
 // DO NOT MODIFY THE VALUES, always append new error codes to the bottom.
 const (
-	// CodeParseRequestLength error parsing a request length
-	CodeParseRequestLength Code = 10
-
-	// CodeParseRequest error parsing a request
-	CodeParseRequest Code = 11
-
-	// CodeInvalidRequestAction error parsing a request action
-	CodeInvalidRequestAction Code = 12
-
-	// CodeInaccessiblePasswordStore error accessing a user-configured password store
-	CodeInaccessiblePasswordStore Code = 13
-
-	// CodeInaccessibleDefaultPasswordStore error accessing the default password store
-	CodeInaccessibleDefaultPasswordStore Code = 14
-
-	// CodeUnknownDefaultPasswordStoreLocation error determining the location of the default password store
-	CodeUnknownDefaultPasswordStoreLocation Code = 15
-
-	// CodeUnreadablePasswordStoreDefaultSettings error reading the default settings of a user-configured password store
-	CodeUnreadablePasswordStoreDefaultSettings Code = 16
-
-	// CodeUnreadableDefaultPasswordStoreDefaultSettings error reading the default settings of the default password store
-	CodeUnreadableDefaultPasswordStoreDefaultSettings Code = 17
-
-	// CodeUnableToListFilesInPasswordStore error listing files in a password store
-	CodeUnableToListFilesInPasswordStore Code = 18
-
-	// CodeUnableToDetermineRelativeFilePathInPasswordStore error determining a relative path for a file in a password store
+	CodeParseRequestLength                               Code = 10
+	CodeParseRequest                                     Code = 11
+	CodeInvalidRequestAction                             Code = 12
+	CodeInaccessiblePasswordStore                        Code = 13
+	CodeInaccessibleDefaultPasswordStore                 Code = 14
+	CodeUnknownDefaultPasswordStoreLocation              Code = 15
+	CodeUnreadablePasswordStoreDefaultSettings           Code = 16
+	CodeUnreadableDefaultPasswordStoreDefaultSettings    Code = 17
+	CodeUnableToListFilesInPasswordStore                 Code = 18
 	CodeUnableToDetermineRelativeFilePathInPasswordStore Code = 19
-
-	// CodeInvalidPasswordStore error looking for a password store with the given ID
-	CodeInvalidPasswordStore Code = 20
-
-	// CodeInvalidGpgPath error looking for a gpg binary at the given path
-	CodeInvalidGpgPath Code = 21
-
-	// CodeUnableToDetectGpgPath error detecting the location of the gpg binary
-	CodeUnableToDetectGpgPath Code = 22
-
-	// CodeInvalidPasswordFileExtension error unexpected password file extension
-	CodeInvalidPasswordFileExtension Code = 23
-
-	// CodeUnableToDecryptPasswordFile error decrypting a password file
-	CodeUnableToDecryptPasswordFile Code = 24
+	CodeInvalidPasswordStore                             Code = 20
+	CodeInvalidGpgPath                                   Code = 21
+	CodeUnableToDetectGpgPath                            Code = 22
+	CodeInvalidPasswordFileExtension                     Code = 23
+	CodeUnableToDecryptPasswordFile                      Code = 24
 )
 
 // Field extra field in the error response params
 type Field string
 
+// Extra fields that can be sent to the browser extension as part of an error response.
+// FieldMessage is always present, others are optional.
 const (
-	// FieldMessage a user-friendly error message, always present
-	FieldMessage Field = "message"
-
-	// FieldAction a browser request action that resulted in a failure
-	FieldAction Field = "action"
-
-	// FieldError an error message returned from an external system
-	FieldError Field = "error"
-
-	// FieldStoreID a password store id
-	FieldStoreID Field = "storeId"
-
-	// FieldStoreName a password store name
+	FieldMessage   Field = "message"
+	FieldAction    Field = "action"
+	FieldError     Field = "error"
+	FieldStoreID   Field = "storeId"
 	FieldStoreName Field = "storeName"
-
-	// FieldStorePath a password store path
 	FieldStorePath Field = "storePath"
-
-	// FieldFile a password file
-	FieldFile Field = "file"
-
-	// FieldGpgPath a path to the gpg binary
-	FieldGpgPath Field = "gpgPath"
+	FieldFile      Field = "file"
+	FieldGpgPath   Field = "gpgPath"
 )
 
 // ExitWithCode exit with error code

main.go

@@ -24,7 +24,7 @@ func main() {
 		os.Exit(0)
 	}
 
-	openbsd.Pledge("stdio rpath proc exec")
+	openbsd.Pledge("stdio rpath proc exec getpw")
 
 	log.SetFormatter(&log.TextFormatter{FullTimestamp: true})
 	if isVerbose {

request/common.go

@@ -8,6 +8,10 @@ import (
 )
 
 func normalizePasswordStorePath(storePath string) (string, error) {
+	if storePath == "" {
+		return "", errors.New("The store path cannot be empty")
+	}
+
 	if strings.HasPrefix(storePath, "~/") {
 		storePath = filepath.Join("$HOME", storePath[2:])
 	}

request/configure.go

@@ -138,7 +138,7 @@ func readDefaultSettings(storePath string) (string, error) {
 		return string(content), nil
 	}
 	if os.IsNotExist(err) {
-		return "", nil
+		return "{}", nil
 	}
 	return "", err
 }

request/fetch.go

@@ -2,7 +2,6 @@ package request
 
 import (
 	"bytes"
-	goerrors "errors"
 	"fmt"
 	"os"
 	"os/exec"
@@ -135,8 +134,7 @@ func detectGpgBinary() (string, error) {
 			return binary, nil
 		}
 	}
-
-	return "", goerrors.New("Unable to detect the location of the gpg binary to use")
+	return "", fmt.Errorf("Unable to detect the location of the gpg binary to use")
 }
 
 func validateGpgBinary(gpgPath string) error {
@@ -159,7 +157,7 @@ func decryptFile(store *store, file string, gpgPath string) (string, error) {
 	cmd.Stderr = &stderr
 
 	if err := cmd.Run(); err != nil {
-		return "", goerrors.New(fmt.Sprintf("Error: %s, Stderr: %s", err.Error(), stderr.String()))
+		return "", fmt.Errorf("Error: %s, Stderr: %s", err.Error(), stderr.String())
 	}
 
 	return stdout.String(), nil