Fail early if adding an entry to a directory that does not exist (or if the directory is a file)

src/backend/utilitiesMisc.go

@@ -40,7 +40,15 @@ func TargetIsFile(targetLocation string, errorOnFail bool, failCondition uint8)
 }
 
 // WriteEntry writes entryData to an encrypted file at targetLocation
-func WriteEntry(targetLocation string, entryData []string) {
+func WriteEntry(targetLocation string, entryData []string, verifyEntryDoesNotExist bool) {
+	if verifyEntryDoesNotExist {
+		_, isAccessible := TargetIsFile(targetLocation, false, 0)
+		if isAccessible {
+			fmt.Println(AnsiError + "Target location already exists" + AnsiReset)
+			os.Exit(1)
+		}
+	}
+
 	encryptedBytes := EncryptGPG(entryData)
 	err := os.WriteFile(targetLocation, encryptedBytes, 0600)
 	if err != nil {

src/cli/add.go

@@ -3,6 +3,7 @@ package cli
 import (
 	"fmt"
 	"os"
+	"strings"
 
 	"github.com/rwinkhart/MUTN/src/backend"
 )
@@ -10,12 +11,16 @@ import (
 // AddEntry creates a new entry at targetLocation by taking user input via CLI prompts
 // entryType: 0 = standard (password), 1 = auto-generated password, 2 = note
 func AddEntry(targetLocation string, hideSecrets bool, entryType uint8) {
+	// ensure target location does not already exist
 	_, isAccessible := backend.TargetIsFile(targetLocation, false, 0)
 	if isAccessible {
 		fmt.Println(backend.AnsiError + "Target location already exists" + backend.AnsiReset)
 		os.Exit(1)
 	}
 
+	// ensure target containing directory exists and is a directory (not a file)
+	backend.TargetIsFile(targetLocation[:strings.LastIndex(targetLocation, "/")], true, 1)
+
 	var unencryptedEntry []string
 
 	if entryType < 2 {
@@ -43,5 +48,5 @@ func AddEntry(targetLocation string, hideSecrets bool, entryType uint8) {
 	}
 
 	// write and preview the new entry
-	writeEntryCLI(targetLocation, unencryptedEntry, hideSecrets)
+	writeEntryCLI(targetLocation, unencryptedEntry, hideSecrets, false)
 }

src/cli/edit.go

@@ -51,7 +51,7 @@ func EditEntryField(targetLocation string, hideSecrets bool, field int) {
 	}
 
 	// write and preview the modified entry
-	writeEntryCLI(targetLocation, unencryptedEntry, hideSecrets)
+	writeEntryCLI(targetLocation, unencryptedEntry, hideSecrets, false)
 }
 
 // GenUpdate generates a new password for an entry at targetLocation (user input)
@@ -63,7 +63,7 @@ func GenUpdate(targetLocation string, hideSecrets bool) {
 	unencryptedEntry[0] = backend.StringGen(inputInt("Password length:", -1), inputBinary("Generate a complex (special characters) password?"), 0.2, false)
 
 	// write and preview the modified entry
-	writeEntryCLI(targetLocation, unencryptedEntry, hideSecrets)
+	writeEntryCLI(targetLocation, unencryptedEntry, hideSecrets, false)
 }
 
 // editNote uses the user-specified text editor to edit an existing note (or create a new one if baseNote is empty)

src/cli/utilitiesMisc.go

@@ -65,10 +65,10 @@ func inputMenuGen(prompt string, options []string) int {
 }
 
 // writeEntryCLI writes an entry to targetLocation and previews it (errors if no data is supplied)
-func writeEntryCLI(targetLocation string, unencryptedEntry []string, hideSecrets bool) {
+func writeEntryCLI(targetLocation string, unencryptedEntry []string, hideSecrets, verifyEntryDoesNotExist bool) {
 	if backend.EntryIsNotEmpty(unencryptedEntry) {
 		// write the entry to the target location
-		backend.WriteEntry(targetLocation, unencryptedEntry)
+		backend.WriteEntry(targetLocation, unencryptedEntry, verifyEntryDoesNotExist)
 		// preview the entry
 		fmt.Println(AnsiBold + "\nEntry Preview:" + backend.AnsiReset)
 		EntryReader(unencryptedEntry, hideSecrets, true)