Add Bitwarden importer scaffolding (#542)

src/AliasVault.Client/Main/Pages/Settings/ImportExport/Components/ImportServiceBitwarden.razor

@@ -1,3 +1,4 @@
+@using AliasVault.ImportExport.Importers
 @inject ILogger<ImportServiceBitwarden> Logger
 
 <ImportServiceCard
@@ -5,19 +6,33 @@
     Description="Import passwords from your Bitwarden vault"
     LogoUrl="img/importers/bitwarden.svg"
     OnImportComplete="RefreshVault"
->
+    @ref="_importServiceCard">
     <div class="mb-4">
-        <p class="mb-4 text-gray-700 dark:text-gray-300">Upload your Bitwarden JSON export file:</p>
+        <p class="mb-4 text-gray-700 dark:text-gray-300">Upload your Bitwarden CSV export file:</p>
     </div>
     <InputFile OnChange="HandleFileUpload" />
 </ImportServiceCard>
 
 @code {
+    private ImportServiceCard _importServiceCard = null!;
+
     private async Task HandleFileUpload(InputFileChangeEventArgs e)
     {
         // Bitwarden specific file upload and parsing logic
-        await Task.Delay(500);
-        Logger.LogInformation($"Processing Bitwarden file: {e.File.Name}");
+        try
+        {
+            await using var stream = e.File.OpenReadStream();
+            using var reader = new StreamReader(stream);
+            var fileContents = await reader.ReadToEndAsync();
+
+            var importCredentials = await BitwardenImporter.ImportFromCsvAsync(fileContents);
+            _importServiceCard.SetImportedCredentials(importCredentials);
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError(ex, "Error processing KeePass CSV file");
+            throw;
+        }
     }
 
     private void RefreshVault()
@@ -25,4 +40,4 @@
         // Refresh the vault
         // ...
     }
-}
+}

src/AliasVault.Client/Main/Pages/Settings/ImportExport/Components/ImportServiceKeePass.razor

@@ -22,7 +22,7 @@
 
         try
         {
-            using var stream = e.File.OpenReadStream();
+            await using var stream = e.File.OpenReadStream();
             using var reader = new StreamReader(stream);
             var fileContents = await reader.ReadToEndAsync();
 

src/Utilities/AliasVault.ImportExport/Importers/BitwardenImporter.cs

@@ -0,0 +1,56 @@
+//-----------------------------------------------------------------------
+// <copyright file="BitwardenImporter.cs" company="lanedirt">
+// Copyright (c) lanedirt. All rights reserved.
+// Licensed under the MIT license. See LICENSE.md file in the project root for full license information.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace AliasVault.ImportExport.Importers;
+
+using AliasVault.ImportExport.Models;
+using AliasVault.ImportExport.Models.Imports;
+using CsvHelper;
+using CsvHelper.Configuration;
+using System.Globalization;
+
+/// <summary>
+/// Imports credentials from Bitwarden.
+/// </summary>
+public class BitwardenImporter
+{
+    /// <summary>
+    /// Imports Bitwarden CSV file and converts contents to list of ImportedCredential model objects.
+    /// </summary>
+    /// <param name="fileContent">The content of the CSV file.</param>
+    /// <returns>The imported list of ImportedCredential objects.</returns>
+    public static async Task<List<ImportedCredential>> ImportFromCsvAsync(string fileContent)
+    {
+        using var reader = new StringReader(fileContent);
+        using var csv = new CsvReader(reader, new CsvConfiguration(CultureInfo.InvariantCulture));
+
+        var credentials = new List<ImportedCredential>();
+        await foreach (var record in csv.GetRecordsAsync<BitwardenCsvRecord>())
+        {
+            // TODO: OTPAuth should be converted from URL to a secret key during import or during
+            // the actual creation of the imported credential object.
+            var credential = new ImportedCredential
+            {
+                ServiceName = record.Title,
+                ServiceUrl = record.URL,
+                Username = record.Username,
+                Password = record.Password,
+                TwoFactorSecret = record.OTPAuth,
+                Notes = record.Notes
+            };
+
+            credentials.Add(credential);
+        }
+
+        if (credentials.Count == 0)
+        {
+            throw new InvalidOperationException("No records found in the CSV file.");
+        }
+
+        return credentials;
+    }
+}

src/Utilities/AliasVault.ImportExport/Models/Imports/BitwardenCsvRecord.cs

@@ -0,0 +1,82 @@
+//-----------------------------------------------------------------------
+// <copyright file="BitwardenCsvRecord.cs" company="lanedirt">
+// Copyright (c) lanedirt. All rights reserved.
+// Licensed under the MIT license. See LICENSE.md file in the project root for full license information.
+// </copyright>
+//-----------------------------------------------------------------------
+
+using CsvHelper.Configuration.Attributes;
+
+namespace AliasVault.ImportExport.Models.Imports;
+
+/// <summary>
+/// Represents a Bitwarden CSV record that is being imported from a Bitwarden CSV export file.
+/// </summary>
+public class BitwardenCsvRecord
+{
+    /// <summary>
+    /// Gets or sets the folder name.
+    /// </summary>
+    [Name("folder")]
+    public string Folder { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets whether the item is favorited.
+    /// </summary>
+    [Name("favorite")]
+    public bool Favorite { get; set; }
+
+    /// <summary>
+    /// Gets or sets the type of the item.
+    /// </summary>
+    [Name("type")]
+    public string Type { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets the title/service name (e.g., "Facebook", "Gmail").
+    /// </summary>
+    [Name("name")]
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Gets or sets any additional notes.
+    /// </summary>
+    [Name("notes")]
+    public string? Notes { get; set; }
+
+    /// <summary>
+    /// Gets or sets custom fields.
+    /// </summary>
+    [Name("fields")]
+    public string? Fields { get; set; }
+
+    /// <summary>
+    /// Gets or sets whether to reprompt for the master password.
+    /// </summary>
+    [Name("reprompt")]
+    public bool Reprompt { get; set; }
+
+    /// <summary>
+    /// Gets or sets the service URL.
+    /// </summary>
+    [Name("login_uri")]
+    public string? URL { get; set; }
+
+    /// <summary>
+    /// Gets or sets the username.
+    /// </summary>
+    [Name("login_username")]
+    public string? Username { get; set; }
+
+    /// <summary>
+    /// Gets or sets the password.
+    /// </summary>
+    [Name("login_password")]
+    public string? Password { get; set; }
+
+    /// <summary>
+    /// Gets or sets the OTP (One-Time Password) authentication secret.
+    /// </summary>
+    [Name("login_totp")]
+    public string? OTPAuth { get; set; }
+}