[Provider] Send email on removal (#1463)

bitwarden_license/src/CommCore/Services/ProviderService.cs

@@ -259,7 +259,7 @@ namespace Bit.CommCore.Services
 
                     await _providerUserRepository.ReplaceAsync(providerUser);
                     events.Add((providerUser, EventType.ProviderUser_Confirmed, null));
-                    await _mailService.SendOrganizationConfirmedEmailAsync(provider.Name, user.Email);
+                    await _mailService.SendProviderConfirmedEmailAsync(provider.Name, user.Email);
                     result.Add(Tuple.Create(providerUser, ""));
                 }
                 catch (BadRequestException e)
@@ -293,7 +293,17 @@ namespace Bit.CommCore.Services
         public async Task<List<Tuple<ProviderUser, string>>> DeleteUsersAsync(Guid providerId,
             IEnumerable<Guid> providerUserIds, Guid deletingUserId)
         {
+            var provider = await _providerRepository.GetByIdAsync(providerId);
+
+            if (provider == null)
+            {
+                throw new NotFoundException();
+            }
+
             var providerUsers = await _providerUserRepository.GetManyAsync(providerUserIds);
+            var users = await _userRepository.GetManyAsync(providerUsers.Where(pu => pu.UserId.HasValue)
+                .Select(pu => pu.UserId.Value));
+            var keyedUsers = users.ToDictionary(u => u.Id);
 
             if (!await HasConfirmedProviderAdminExceptAsync(providerId, providerUserIds))
             {
@@ -319,6 +329,13 @@ namespace Bit.CommCore.Services
 
                     events.Add((providerUser, EventType.ProviderUser_Removed, null));
 
+                    var user = keyedUsers.GetValueOrDefault(providerUser.UserId.GetValueOrDefault());
+                    var email = user == null ? providerUser.Email : user.Email;
+                    if (!string.IsNullOrWhiteSpace(email))
+                    {
+                        await _mailService.SendProviderUserRemoved(provider.Name, email);
+                    }
+
                     result.Add(Tuple.Create(providerUser, ""));
                     deletedUserIds.Add(providerUser.Id);
                 }

bitwarden_license/test/CmmCore.Test/Services/ProviderServiceTests.cs

@@ -361,6 +361,7 @@ namespace Bit.CommCore.Test.Services
             }
             providerUsers.Last().ProviderId = default;
 
+            sutProvider.GetDependency<IProviderRepository>().GetByIdAsync(provider.Id).Returns(provider);
             var providerUserRepository = sutProvider.GetDependency<IProviderUserRepository>();
             providerUserRepository.GetManyAsync(default).ReturnsForAnyArgs(providerUsers);
             providerUserRepository.GetManyByProviderAsync(default, default).ReturnsForAnyArgs(new ProviderUser[] {});
@@ -384,6 +385,7 @@ namespace Bit.CommCore.Test.Services
             }
             providerUsers.Last().ProviderId = default;
 
+            sutProvider.GetDependency<IProviderRepository>().GetByIdAsync(provider.Id).Returns(provider);
             var providerUserRepository = sutProvider.GetDependency<IProviderUserRepository>();
             providerUserRepository.GetManyAsync(default).ReturnsForAnyArgs(providerUsers);
             providerUserRepository.GetManyByProviderAsync(default, default).ReturnsForAnyArgs(new[] {remainingOwner});

src/Core/MailTemplates/Handlebars/Provider/ProviderUserRemoved.html.hbs

@@ -0,0 +1,9 @@
+{{#>FullHtmlLayout}}
+<table width="100%" cellpadding="0" cellspacing="0" style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+    <tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
+        <td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top" align="left">
+            You have been removed from <b style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">{{ProviderName}}</b>. You will no longer have access to the Provider Portal. If you have an existing Bitwarden account, your account is unaffected.
+        </td>
+    </tr>
+</table>
+{{/FullHtmlLayout}}

src/Core/MailTemplates/Handlebars/Provider/ProviderUserRemoved.text.hbs

@@ -0,0 +1,4 @@
+{{#>BasicTextLayout}}
+You have been removed from {{ProviderName}}. You will no longer have access to the Provider Portal.
+If you have an existing Bitwarden account, your account is unaffected.
+{{/BasicTextLayout}}

src/Core/Models/Mail/Provider/ProviderUserRemovedViewModel.cs

@@ -0,0 +1,7 @@
+namespace Bit.Core.Models.Mail.Provider
+{
+    public class ProviderUserRemovedViewModel : BaseMailModel
+    {
+        public string ProviderName { get; set; }
+    }
+}

src/Core/Services/IMailService.cs

@@ -45,5 +45,6 @@ namespace Bit.Core.Services
         Task SendProviderSetupInviteEmailAsync(Provider provider, string token, string email);
         Task SendProviderInviteEmailAsync(string providerName, ProviderUser providerUser, string token, string email);
         Task SendProviderConfirmedEmailAsync(string providerName, string email);
+        Task SendProviderUserRemoved(string providerName, string email);
     }
 }

src/Core/Services/Implementations/HandlebarsMailService.cs

@@ -697,5 +697,19 @@ namespace Bit.Core.Services
             message.Category = "ProviderUserConfirmed";
             await _mailDeliveryService.SendEmailAsync(message);
         }
+
+        public async Task SendProviderUserRemoved(string providerName, string email)
+        {
+            var message = CreateDefaultMessage($"You Have Been Removed from {providerName}", email);
+            var model = new ProviderUserRemovedViewModel
+            {
+                ProviderName = CoreHelpers.SanitizeForEmail(providerName),
+                WebVaultUrl = _globalSettings.BaseServiceUri.VaultWithHash,
+                SiteName = _globalSettings.SiteName
+            };
+            await AddMessageContentAsync(message, "Provider.ProviderUserRemoved", model);
+            message.Category = "ProviderUserRemoved";
+            await _mailDeliveryService.SendEmailAsync(message);
+        }
     }
 }

src/Core/Services/NoopImplementations/NoopMailService.cs

@@ -179,5 +179,10 @@ namespace Bit.Core.Services
         {
             return Task.FromResult(0);
         }
+
+        public Task SendProviderUserRemoved(string providerName, string email)
+        {
+            return Task.FromResult(0);
+        }
     }
 }