/// <summary>
/// We need a way to generate users on the fly.
/// </summary>
/// <param name="addRecipientRequest"></param>
/// <returns></returns>
private async Task <UserModel> GenerateUserForEDiscovery(AddRecipientRequest addRecipientRequest, string password)
{
await InitializePrivilegedConnectionAsync();
var folderIdentifier = addRecipientRequest.FolderIdentifier;
var userModel = new UserModel
{
Identifier = ModuleUtility.GetFolderScopedUserIdentifier(folderIdentifier, addRecipientRequest.RecipientEmail),
EmailAddress = addRecipientRequest.RecipientEmail,
FirstName = addRecipientRequest.FirstName,
LastName = addRecipientRequest.LastName,
};
userModel = await privilegedConnection.User.PostAsync(userModel);
await privilegedConnection.User.PasswordPutAsync(userModel.Identifier, password);
var accessIdentifiers = new[]
{
$"o:{folderIdentifier.OrganizationKey}",
$"r:eDiscovery{{{folderIdentifier.FolderKey.Replace(" ", "_")}}}", // used to actually control access
$"r:eDiscovery", // used to test whether a given user is an eDiscovery user
$"x:pcms", // disable PCMS rules
$"x:leo", // disable LEO rules
};
await privilegedConnection.User.AccessIdentifiersPutAsync(userModel.Identifier, accessIdentifiers);
return(userModel);
}
private async Task <UserModel> GenerateUser(RecipientRequestBase addRecipientRequest, string password)
{
await InitializePrivilegedConnectionAsync();
var folderIdentifier = addRecipientRequest.FolderIdentifier;
var userModel = new UserModel
{
Identifier = ModuleUtility.GetFolderScopedUserIdentifier(folderIdentifier, addRecipientRequest.RecipientEmail, "leo"),
EmailAddress = addRecipientRequest.RecipientEmail,
FirstName = addRecipientRequest.FirstName,
LastName = addRecipientRequest.LastName,
};
userModel = await privilegedConnection.User.PostAsync(userModel);
await privilegedConnection.User.PasswordPutAsync(userModel.Identifier, password);
await privilegedConnection.User.AccessIdentifiersPutAsync(userModel.Identifier, new[] {
"r:leoUpload",
$"o:{folderIdentifier.OrganizationKey}",
"x:pcms",
"x:eDiscovery",
$"u:{userModel.Identifier.UserKey.Replace(" ", "_")}"
});
return(userModel);
}
public async Task <RecipientResponse> RemoveRecipientAsync(RemoveRecipientRequest removeRequest)
{
var folder = await connection.Folder.GetAsync(removeRequest.FolderIdentifier);
var recipients = folder.MetaEDiscoveryRecipientListRead();
folder.MetaEDiscoveryRecipientListRemove(removeRequest.RecipientEmail);
await connection.Folder.PutAsync(folder);
await InitializePrivilegedConnectionAsync();
// Using the special connection here to delete the user.
await privilegedConnection.User.DeleteAsync(ModuleUtility.GetFolderScopedUserIdentifier(folder.Identifier, removeRequest.RecipientEmail));
await this.auditLogStore.AddEntry(
new AuditLogEntry()
{
EntryType = AuditLogEntryType.eDiscoveryRecipientDeleted,
Message = $"An eDiscovery User has been removed {removeRequest.RecipientEmail}",
ModuleType = Modules.ModuleType.eDiscovery
},
folder.Identifier
);
return(new RecipientResponse()
{
Email = removeRequest.RecipientEmail,
});
}
public async Task <RecipientResponse> RegenerateRecipientPasswordAsync(RegenerateRecipientPasswordRequest regenRequest)
{
var folder = await connection.Folder.GetAsync(regenRequest.FolderIdentifier);
var recipients = folder.MetaEDiscoveryRecipientListRead();
var password = ModuleUtility.GeneratePassword(folder, MetadataKeyConstants.E_DISCOVERY_RND_PASSWORD_LENGTH, EDiscoveryUtility.E_DISCOVERY_DEFAULT_PASSWORD_LENGTH, MetadataKeyConstants.E_DISCOVERY_RND_PASSWORD_CHARS);
var recipient = recipients.Where(rec => rec.Email.ToLower() == regenRequest.RecipientEmail.ToLower()).FirstOrDefault();
if (recipient != null)
{
// Using the special connection here to update their password.
var userIdentifier = ModuleUtility.GetFolderScopedUserIdentifier(folder.Identifier, regenRequest.RecipientEmail);
await InitializePrivilegedConnectionAsync();
await privilegedConnection.User.PasswordPutAsync(userIdentifier, password.Plain);
await this.auditLogStore.AddEntry(
new AuditLogEntry()
{
EntryType = AuditLogEntryType.eDiscoveryRecipientRegenerated,
Message = $"An eDiscovery has had their password regenerated {recipient.Email}",
ModuleType = Modules.ModuleType.eDiscovery
},
folder.Identifier
);
recipient.PasswordHash = password.Hashed;
recipient.ExpirationDate = ModuleUtility.GetLinkExpirationDate(folder, MetadataKeyConstants.E_DISCOVERY_EXPIRATION_LENGTH_SECONDS).Value;
recipient.MagicLink = ModuleUtility.CreateMagicLink(regenRequest, managerConfiguration.EDiscoveryLandingLocation, managerConfiguration.EDiscoveryLinkEncryptionKey, regenRequest.FolderIdentifier, recipient.ExpirationDate, userIdentifier);
await connection.ConcurrencyRetryBlock(async() =>
{
folder = await connection.Folder.GetAsync(regenRequest.FolderIdentifier);
folder.MetaEDiscoveryRecipientListUpsert(recipient);
await connection.Folder.PutAsync(folder);
});
// now we also want to send back the magic link that we generated before.
return(new RecipientResponse()
{
Email = regenRequest.RecipientEmail,
FirstName = recipient.FirstName,
LastName = recipient.LastName,
Password = password.Plain,
MagicLink = recipient.MagicLink,
ExpirationDate = recipient.ExpirationDate,
});
}
return(new RecipientResponse());
}
private async Task <ModelBase> RemoveOfficerAsync(RemoveOfficerRequest removeRequest)
{
FolderModel folder = null;
await connection.ConcurrencyRetryBlock(async() =>
{
folder = await connection.Folder.GetAsync(removeRequest.FolderIdentifier);
var recipients = folder.MetaLEOUploadOfficerListRead();
var recipient = recipients.FirstOrDefault(f => f.Email == removeRequest.RecipientEmail);
folder.MetaLEOUploadOfficerListRemove(removeRequest.RecipientEmail);
var paths = folder.Read <List <string> >("_paths");
if (paths != null && recipient != null)
{
var officerPath = GetOfficerPath(folder.Identifier, recipient.FirstName, recipient.LastName);
if (paths.Contains(officerPath.PathKey))
{
paths = paths.Where(p => !p.StartsWith(officerPath.PathKey)).ToList();
}
folder.Write("_paths", paths);
}
await connection.Folder.PutAsync(folder);
});
await InitializePrivilegedConnectionAsync();
// Using the special connection here to delete the user.
await privilegedConnection.User.DeleteAsync(ModuleUtility.GetFolderScopedUserIdentifier(folder.Identifier, removeRequest.RecipientEmail, "leo"));
await this.auditLogStore.AddEntry(
new AuditLogEntry()
{
EntryType = AuditLogEntryType.LEOUploadOfficerDeleted,
Message = $"An officer has been removed {removeRequest.RecipientEmail}",
ModuleType = Modules.ModuleType.LEOUpload
},
folder.Identifier
);
return(new RecipientResponse()
{
Email = removeRequest.RecipientEmail,
});
}
public async Task <RecipientResponse> AddRecipientAsync(AddRecipientRequest addRecipientRequest, string landingLocation, string passphrase)
{
var folder = await connection.Folder.GetAsync(addRecipientRequest.FolderIdentifier);
DateTime?expirationDate = ModuleUtility.GetLinkExpirationDate(folder, MetadataKeyConstants.E_DISCOVERY_EXPIRATION_LENGTH_SECONDS);
var password = ModuleUtility.GeneratePassword(folder, MetadataKeyConstants.E_DISCOVERY_RND_PASSWORD_LENGTH, EDiscoveryUtility.E_DISCOVERY_DEFAULT_PASSWORD_LENGTH, MetadataKeyConstants.E_DISCOVERY_RND_PASSWORD_CHARS);
// We're going to generate a user for eDicsovery. This user will have restricted priveleges.
var user = await GenerateUserForEDiscovery(addRecipientRequest, password.Plain);
string completeUrl = ModuleUtility.CreateMagicLink(addRecipientRequest, landingLocation, passphrase, folder.Identifier, expirationDate, user.Identifier);
folder.MetaEDiscoveryRecipientListUpsert(new ExternalUser()
{
Email = addRecipientRequest.RecipientEmail,
FirstName = addRecipientRequest.FirstName,
LastName = addRecipientRequest.LastName,
PasswordHash = password.Hashed,
MagicLink = completeUrl,
ExpirationDate = expirationDate.GetValueOrDefault()
});
await connection.Folder.PutAsync(folder);
await EnsureFolderSecurityConfiguration(folder.Identifier);
await this.auditLogStore.AddEntry(
new AuditLogEntry()
{
EntryType = AuditLogEntryType.eDiscoveryRecipientAdded,
Message = $"An eDiscovery User has been added. {addRecipientRequest.RecipientEmail}",
ModuleType = Modules.ModuleType.eDiscovery
},
folder.Identifier
);
// build up the response
return(new RecipientResponse()
{
Email = addRecipientRequest.RecipientEmail,
ExpirationDate = expirationDate.GetValueOrDefault(),
MagicLink = completeUrl,
Password = password.Plain,
FirstName = addRecipientRequest.FirstName,
LastName = addRecipientRequest.LastName,
});
}
public async Task <RecipientResponse> AddRecipientAsync(AddOfficerRequest addOfficerRequest, string landingLocation, string passphrase)
{
var folder = await connection.Folder.GetAsync(addOfficerRequest.FolderIdentifier);
DateTime?expirationDate = ModuleUtility.GetLinkExpirationDate(folder, MetadataKeyConstants.LEO_UPLOAD_EXPIRATION_LENGTH_SECONDS);
var password = ModuleUtility.GeneratePassword(
folder,
MetadataKeyConstants.LEO_UPLOAD_RND_PASSWORD_LENGTH,
LEOUploadUtility.LEO_UPLOAD_DEFAULT_PASSWORD_LENGTH,
MetadataKeyConstants.LEO_UPLOAD_RND_PASSWORD_CHARS);
// We're going to generate a user for eDicsovery. This user will have restricted priveleges.
var user = await GenerateUser(addOfficerRequest, password.Plain);
string completeUrl = ModuleUtility.CreateMagicLink(addOfficerRequest, landingLocation, passphrase, folder.Identifier, expirationDate, user.Identifier);
await connection.ConcurrencyRetryBlock(async() =>
{
folder = await connection.Folder.GetAsync(addOfficerRequest.FolderIdentifier);
folder.MetaLEOUploadOfficerListUpsert(new ExternalUser()
{
Email = addOfficerRequest.RecipientEmail,
FirstName = addOfficerRequest.FirstName,
LastName = addOfficerRequest.LastName,
PasswordHash = password.Hashed,
MagicLink = completeUrl,
ExpirationDate = expirationDate.GetValueOrDefault()
});
var childPath = GetOfficerPath(addOfficerRequest.FolderIdentifier, addOfficerRequest.FirstName, addOfficerRequest.LastName);
var allPaths = folder.Read("_paths", defaultValue: new List <string>());
allPaths.Add(childPath.FullName);
folder.Write("_paths", allPaths);
await connection.Folder.PutAsync(folder);
});
await this.auditLogStore.AddEntry(
new AuditLogEntry()
{
EntryType = AuditLogEntryType.LEOUploadOfficerAdded,
Message = $"A LEO officer has been added. {addOfficerRequest.RecipientEmail}",
ModuleType = Modules.ModuleType.LEOUpload
},
folder.Identifier
);
// build up the response
return(new RecipientResponse()
{
Email = addOfficerRequest.RecipientEmail,
ExpirationDate = expirationDate.GetValueOrDefault(),
MagicLink = completeUrl,
Password = password.Plain,
FirstName = addOfficerRequest.FirstName,
LastName = addOfficerRequest.LastName,
});
}
public async Task <UserAuthenticatedResponse> AuthenticateUserAsync(AuthenticateUserRequest authenticateUserRequest, string linkEncryptionKey)
{
if (String.IsNullOrEmpty(authenticateUserRequest.Token))
{
return(new UserAuthenticatedResponse()
{
IsAuthenticated = false
});
}
// Get the magic link object back out from the token.
var magicLink = ModuleUtility.DecryptMagicLink(authenticateUserRequest.Token, linkEncryptionKey);
// Now we have a magic link object, we need to compare the email on the token, with the one that was passed in.
if (magicLink.RecipientEmail.ToLower() != authenticateUserRequest.Email.ToLower() ||
magicLink.ExipirationDate < DateTime.UtcNow // next let's check that this link hasn't expired.
) // Next we check to make sure the folder keys are the same.
{
return(new UserAuthenticatedResponse()
{
IsAuthenticated = false
});
}
// Before we can operate, and get any folder details, we're also going to need to authenticate the user in the backend. This will properly set things on the connection
// such that it can make a backed call.
try
{
await connection.User.AuthenticateAsync(new TokenRequestModel
{
Identifier = ModuleUtility.GetFolderScopedUserIdentifier(magicLink.FolderIdentifier, authenticateUserRequest.Email, "leo"),
Password = authenticateUserRequest.Password
});
connection.AddCookieTokenToResponse();
// Now we can do the password check. We're going to check that the password in our database matches on hash
// the password that came in on the request.
var folder = await connection.Folder.GetAsync(magicLink.FolderIdentifier);
// get the recipients, so we can find this particular recipient.
var officers = folder.MetaLEOUploadOfficerListRead();
var recipient = officers.Where(rec => rec.Email.ToLower() == magicLink.RecipientEmail.ToLower()).FirstOrDefault();
// We check to make sure that there's a recipient on this folder that matches by email, and that the plain text
// password that was passed in matches the password in our database.
if (recipient != null && BCrypt.Verify(authenticateUserRequest.Password, recipient.PasswordHash))
{
await this.auditLogStore.AddEntry(
new AuditLogEntry()
{
EntryType = AuditLogEntryType.LEOUploadUserLogin,
Message = "An officer Has Logged in.",
ModuleType = Modules.ModuleType.LEOUpload
},
folder.Identifier,
connection
);
return(new UserAuthenticatedResponse()
{
IsAuthenticated = true,
FolderIdentifier = folder.Identifier,
PathIdentifier = GetOfficerPath(folder.Identifier, recipient.FirstName, recipient.LastName)
});
}
else
{
return(new UserAuthenticatedResponse()
{
IsAuthenticated = false
});
}
}
catch (Exception)
{
return(new UserAuthenticatedResponse()
{
IsAuthenticated = false
});
}
}