Refactor error handling in prompt mode; add cred flag and reset func

sp/commands/commands.go

@@ -19,9 +19,10 @@ var errSourceNotFound = errors.New("source host not found")
 
 type credentialFlagSet struct {
 	includePasswordFlags bool
-	includeHostFlag      bool
+	includeCredFlags     bool
 
 	sourceHost string
+	primary    string
 	noNumbers  bool
 	noSpecials bool
 	length     uint
@@ -32,35 +33,47 @@ func (set credentialFlagSet) withPasswordFlags() credentialFlagSet {
 	return set
 }
 
-func (set credentialFlagSet) withHostFlag() credentialFlagSet {
-	set.includeHostFlag = true
+func (set credentialFlagSet) withCredFlags() credentialFlagSet {
+	set.includeCredFlags = true
 	return set
 }
 
 func (set *credentialFlagSet) register(cmd *cobra.Command) {
-	if set.includeHostFlag {
+	if set.includeCredFlags {
 		cmd.Flags().StringVarP(&set.sourceHost, "source-host", "s", "", "filter results to this source host")
+		cmd.Flags().StringVarP(&set.primary, "primary", "p", "", "specify a primary user key (must include tag if applicable)")
 	}
 
 	if set.includePasswordFlags {
 		cmd.Flags().BoolVarP(&set.noNumbers, "no-numbers", "n", false, "do not use numbers in the generated password")
-		cmd.Flags().BoolVarP(&set.noSpecials, "no-specials", "p", false, "do not use special characters in the generated password")
+		cmd.Flags().BoolVarP(&set.noSpecials, "no-specials", "e", false, "do not use special characters in the generated password")
 		cmd.Flags().UintVarP(&set.length, "length", "l", 32, "length of the generated password")
 	}
 }
 
+func (set *credentialFlagSet) resetValues() {
+	set.sourceHost = ""
+	set.primary = ""
+	set.noNumbers = false
+	set.noSpecials = false
+	set.length = 0
+}
+
+var checkPromptMode = false
+
 func check(err error) {
 	if err != nil {
-		fmt.Println(err)
+		if checkPromptMode {
+			panic(err)
+		}
+
+		fmt.Fprintln(os.Stdout, err)
 		os.Exit(1)
 	}
 }
 
-func selectCredential(client types.CredentialsClient, sourceHost string) types.Credential {
-	var (
-		idKey  string
-		prompt survey.Prompt
-	)
+func selectCredential(client types.CredentialsClient, sourceHost string, primary string) types.Credential {
+	var prompt survey.Prompt
 
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
 	defer cancel()
@@ -128,19 +141,24 @@ receive:
 		keyIDMap[key] = md.ID
 	}
 
-	prompt = &survey.Select{
-		Message:  "Primary user key (and tag):",
-		Options:  keys,
-		PageSize: 20,
-		VimMode:  true,
-	}
+	if primary == "" {
+		var idKey string
+		prompt = &survey.Select{
+			Message:  "Primary user key (and tag):",
+			Options:  keys,
+			PageSize: 20,
+			VimMode:  true,
+		}
 
-	check(survey.AskOne(prompt, &idKey, nil))
+		check(survey.AskOne(prompt, &idKey, nil))
+
+		primary = idKey
+	}
 
 	ctx, cancel = context.WithTimeout(context.Background(), time.Second*5)
 	defer cancel()
 
-	cred, err := client.Get(ctx, keyIDMap[idKey])
+	cred, err := client.Get(ctx, keyIDMap[primary])
 	check(err)
 
 	return cred

sp/commands/create.go

@@ -27,6 +27,8 @@ func makeCreate(repo clitypes.ConfigRepo, initClient credentialsClientInit) *cob
 password.`,
 
 		Run: func(_ *cobra.Command, args []string) {
+			defer flags.resetValues()
+
 			var (
 				otp     bool
 				cleancb bool

sp/commands/delete.go

@@ -10,7 +10,7 @@ import (
 )
 
 func makeDelete(initClient credentialsClientInit) *cobra.Command {
-	flags := credentialFlagSet{}.withHostFlag()
+	flags := credentialFlagSet{}.withCredFlags()
 
 	deleteCmd := &cobra.Command{
 		Use:   "delete",
@@ -18,12 +18,14 @@ func makeDelete(initClient credentialsClientInit) *cobra.Command {
 		Long:  `Delete a credential using the given ID, permanently. THERE IS NO UNDOING THIS ACTION.`,
 
 		Run: func(cmd *cobra.Command, args []string) {
+			defer flags.resetValues()
+
 			ctx, cancel := context.WithTimeout(context.Background(), time.Second*60)
 			defer cancel()
 
 			client := initClient(ctx)
 
-			cred := selectCredential(client, flags.sourceHost)
+			cred := selectCredential(client, flags.sourceHost, flags.primary)
 
 			fmt.Println(cred)
 

sp/commands/get.go

@@ -16,7 +16,7 @@ import (
 )
 
 func makeGet(repo clitypes.ConfigRepo, initClient credentialsClientInit) *cobra.Command {
-	flags := credentialFlagSet{}.withHostFlag()
+	flags := credentialFlagSet{}.withCredFlags()
 
 	getCmd := &cobra.Command{
 		Use:   "get",
@@ -25,6 +25,8 @@ func makeGet(repo clitypes.ConfigRepo, initClient credentialsClientInit) *cobra.
 decrypting password.`,
 
 		Run: func(cmd *cobra.Command, args []string) {
+			defer flags.resetValues()
+
 			var (
 				copyPass bool
 				cleancb  bool
@@ -38,7 +40,7 @@ decrypting password.`,
 			masterpass, cfg, err := repo.OpenConfig()
 			check(err)
 
-			cred := selectCredential(client, flags.sourceHost)
+			cred := selectCredential(client, flags.sourceHost, flags.primary)
 
 			fmt.Println(cred)
 

sp/commands/list.go

@@ -12,7 +12,7 @@ import (
 )
 
 func makeList(initClient credentialsClientInit) *cobra.Command {
-	flags := credentialFlagSet{}.withHostFlag()
+	flags := credentialFlagSet{}.withCredFlags()
 
 	listCmd := &cobra.Command{
 		Use:   "list",
@@ -21,6 +21,8 @@ func makeList(initClient credentialsClientInit) *cobra.Command {
 includes almost all the information but the most sensitive.`,
 
 		Run: func(cmd *cobra.Command, args []string) {
+			defer flags.resetValues()
+
 			ctx, cancel := context.WithTimeout(context.Background(), time.Second*60)
 			defer cancel()
 

sp/commands/root.go

@@ -19,10 +19,13 @@ import (
 func Execute() {
 	rootCmd := &cobra.Command{
 		Use:   "sp",
-		Run:   run,
+		Run:   runPromptMode,
 		Short: "This is the CLI client for Selfpass.",
 		Long: `This is the CLI client for Selfpass, the self-hosted password manager. With this tool you
-can interact with the entire Selfpass API.`,
+can interact with the entire Selfpass API.
+
+When run without a command specified sp enters prompt mode. All commands and flags are the same,
+but your master pass only need be entered once until you exit the prompt.`,
 		Version: "v0.1.0",
 	}
 
@@ -47,7 +50,7 @@ can interact with the entire Selfpass API.`,
 	check(rootCmd.Execute())
 }
 
-func run(cmd *cobra.Command, _ []string) {
+func runPromptMode(cmd *cobra.Command, _ []string) {
 	ss := []prompt.Suggest{
 		{Text: "exit", Description: "Exit selfpass prompt"},
 	}
@@ -67,6 +70,8 @@ func run(cmd *cobra.Command, _ []string) {
 		return prompt.FilterHasPrefix(ss, d.TextBeforeCursor(), true)
 	}
 
+	checkPromptMode = true
+
 	executor := func(argstr string) {
 		args := strings.Split(argstr, " ")
 
@@ -75,11 +80,15 @@ func run(cmd *cobra.Command, _ []string) {
 			os.Exit(0)
 		}
 
+		defer func() {
+			if err := recover(); err != nil {
+				fmt.Fprint(os.Stderr, err, "\n\n")
+			}
+		}()
+
 		cmd.SetArgs(args)
-		err := cmd.Execute()
-		if err != nil {
-			fmt.Println(err)
-		}
+		cmd.Execute()
+
 		fmt.Println()
 	}
 
@@ -98,6 +107,7 @@ func run(cmd *cobra.Command, _ []string) {
 		prompt.OptionPreviewSuggestionTextColor(prompt.Red),
 	)
 
+	fmt.Println("\nWelcome to the selfpass prompt.")
 	p.Run()
 }
 

sp/commands/update.go

@@ -18,7 +18,7 @@ import (
 )
 
 func makeUpdate(repo clitypes.ConfigRepo, initClient credentialsClientInit) *cobra.Command {
-	flags := credentialFlagSet{}.withHostFlag().withPasswordFlags()
+	flags := credentialFlagSet{}.withCredFlags().withPasswordFlags()
 
 	updateCmd := &cobra.Command{
 		Use:   "update",
@@ -27,6 +27,8 @@ func makeUpdate(repo clitypes.ConfigRepo, initClient credentialsClientInit) *cob
 password.`,
 
 		Run: func(_ *cobra.Command, args []string) {
+			defer flags.resetValues()
+
 			var (
 				newpass bool
 				otp     bool
@@ -43,7 +45,7 @@ password.`,
 
 			client := initClient(ctx)
 
-			cred := selectCredential(client, flags.sourceHost)
+			cred := selectCredential(client, flags.sourceHost, flags.primary)
 
 			mdqs := []*survey.Question{
 				{

sp/repositories/config.go

@@ -71,6 +71,7 @@ func (mgr *ConfigManager) OpenConfig() (output string, v *viper.Viper, err error
 	if err == errConfigDecrypted {
 		configDecrypted = true
 	} else if err != nil && err.Error() == crypto.ErrAuthenticationFailed.Error() {
+		mgr.masterpass = ""
 		return output, nil, errors.New("incorrect masterpass")
 	} else if err != nil {
 		return output, nil, err