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/*
Copyright 2024 New Vector Ltd.
Copyright 2019 The Matrix.org Foundation C.I.C
Copyright 2017 Vector Creations Ltd
Copyright 2015 OpenMarket Ltd
SPDX-License-Identifier: AGPL-3.0-only
Please see LICENSE in the repository root for full details.
*/
#import "MXKAuthenticationViewController.h"
#import "MXKAuthInputsEmailCodeBasedView.h"
#import "MXKAuthInputsPasswordBasedView.h"
#import "MXKAccountManager.h"
#import "NSBundle+MatrixKit.h"
#import <AFNetworking/AFNetworking.h>
#import "MXKAppSettings.h"
#import "MXKSwiftHeader.h"
#import "GeneratedInterface-Swift.h"
@interface MXKAuthenticationViewController ()
{
/**
The matrix REST client used to make matrix API requests.
*/
MXRestClient *mxRestClient;
/**
Current request in progress.
*/
MXHTTPOperation *mxCurrentOperation;
/**
The MXKAuthInputsView class or a sub-class used when logging in.
*/
Class loginAuthInputsViewClass;
/**
The MXKAuthInputsView class or a sub-class used when registering.
*/
Class registerAuthInputsViewClass;
/**
The MXKAuthInputsView class or a sub-class used to handle forgot password case.
*/
Class forgotPasswordAuthInputsViewClass;
/**
Customized block used to handle unrecognized certificate (nil by default).
*/
MXHTTPClientOnUnrecognizedCertificate onUnrecognizedCertificateCustomBlock;
/**
The current authentication fallback URL (if any).
*/
NSString *authenticationFallback;
/**
The cancel button added in navigation bar when fallback page is opened.
*/
UIBarButtonItem *cancelFallbackBarButton;
/**
The timer used to postpone the registration when the authentication is pending (for example waiting for email validation)
*/
NSTimer* registrationTimer;
/**
Identity server discovery.
*/
MXAutoDiscovery *autoDiscovery;
MXHTTPOperation *checkIdentityServerOperation;
}
/**
The identity service used to make identity server API requests.
*/
@property (nonatomic) MXIdentityService *identityService;
@property (nonatomic) AnalyticsScreenTracker *screenTracker;
@property (nonatomic) BOOL isViewVisible;
@end
@implementation MXKAuthenticationViewController
#pragma mark - Class methods
+ (UINib *)nib
{
return [UINib nibWithNibName:NSStringFromClass([MXKAuthenticationViewController class])
bundle:[NSBundle bundleForClass:[MXKAuthenticationViewController class]]];
}
+ (instancetype)authenticationViewController
{
return [[[self class] alloc] initWithNibName:NSStringFromClass([MXKAuthenticationViewController class])
bundle:[NSBundle bundleForClass:[MXKAuthenticationViewController class]]];
}
#pragma mark -
- (void)finalizeInit
{
[super finalizeInit];
// Set initial auth type
_authType = MXKAuthenticationTypeLogin;
_deviceDisplayName = nil;
// Initialize authInputs view classes
loginAuthInputsViewClass = MXKAuthInputsPasswordBasedView.class;
registerAuthInputsViewClass = nil; // No registration flow is supported yet
forgotPasswordAuthInputsViewClass = nil;
}
#pragma mark -
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
// Check whether the view controller has been pushed via storyboard
if (!_authenticationScrollView)
{
// Instantiate view controller objects
[[[self class] nib] instantiateWithOwner:self options:nil];
}
self.authFallbackWebView = [[MXKAuthenticationFallbackWebView alloc] initWithFrame:self.authFallbackWebViewContainer.bounds];
[self.authFallbackWebViewContainer addSubview:self.authFallbackWebView];
[self.authFallbackWebView.leadingAnchor constraintEqualToAnchor:self.authFallbackWebViewContainer.leadingAnchor constant:0].active = YES;
[self.authFallbackWebView.trailingAnchor constraintEqualToAnchor:self.authFallbackWebViewContainer.trailingAnchor constant:0].active = YES;
[self.authFallbackWebView.topAnchor constraintEqualToAnchor:self.authFallbackWebViewContainer.topAnchor constant:0].active = YES;
[self.authFallbackWebView.bottomAnchor constraintEqualToAnchor:self.authFallbackWebViewContainer.bottomAnchor constant:0].active = YES;
// Load welcome image from MatrixKit asset bundle
self.welcomeImageView.image = [NSBundle mxk_imageFromMXKAssetsBundleWithName:@"logoHighRes"];
_authenticationScrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
_subTitleLabel.numberOfLines = 0;
_submitButton.enabled = NO;
_authSwitchButton.enabled = YES;
_homeServerTextField.text = _defaultHomeServerUrl;
_identityServerTextField.text = _defaultIdentityServerUrl;
// Hide the identity server by default
[self setIdentityServerHidden:YES];
// Create here REST client (if homeserver is defined)
[self updateRESTClient];
// Localize labels
_homeServerLabel.text = [VectorL10n loginHomeServerTitle];
_homeServerTextField.placeholder = [VectorL10n loginServerUrlPlaceholder];
_homeServerInfoLabel.text = [VectorL10n loginHomeServerInfo];
_identityServerLabel.text = [VectorL10n loginIdentityServerTitle];
_identityServerTextField.placeholder = [VectorL10n loginServerUrlPlaceholder];
_identityServerInfoLabel.text = [VectorL10n loginIdentityServerInfo];
[_cancelAuthFallbackButton setTitle:[VectorL10n cancel] forState:UIControlStateNormal];
[_cancelAuthFallbackButton setTitle:[VectorL10n cancel] forState:UIControlStateHighlighted];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onTextFieldChange:) name:UITextFieldTextDidChangeNotification object:nil];
self.isViewVisible = YES;
[self.screenTracker trackScreen];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
[self dismissKeyboard];
// close any opened alert
if (alert)
{
[alert dismissViewControllerAnimated:NO completion:nil];
alert = nil;
}
[[NSNotificationCenter defaultCenter] removeObserver:self name:AFNetworkingReachabilityDidChangeNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:UITextFieldTextDidChangeNotification object:nil];
}
- (void)viewDidDisappear:(BOOL)animated
{
[super viewDidDisappear:animated];
self.isViewVisible = NO;
}
#pragma mark - Override MXKViewController
- (void)onKeyboardShowAnimationComplete
{
// Report the keyboard view in order to track keyboard frame changes
// TODO define inputAccessoryView for each text input
// and report the inputAccessoryView.superview of the firstResponder in self.keyboardView.
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated"
- (void)setKeyboardHeight:(CGFloat)keyboardHeight
{
// Deduce the bottom inset for the scroll view (Don't forget the potential tabBar)
CGFloat scrollViewInsetBottom = keyboardHeight - self.bottomLayoutGuide.length;
// Check whether the keyboard is over the tabBar
if (scrollViewInsetBottom < 0)
{
scrollViewInsetBottom = 0;
}
UIEdgeInsets insets = self.authenticationScrollView.contentInset;
insets.bottom = scrollViewInsetBottom;
self.authenticationScrollView.contentInset = insets;
}
#pragma clang diagnostic pop
- (void)destroy
{
self.authInputsView = nil;
if (registrationTimer)
{
[registrationTimer invalidate];
registrationTimer = nil;
}
if (mxCurrentOperation)
{
[mxCurrentOperation cancel];
mxCurrentOperation = nil;
}
[self cancelIdentityServerCheck];
[mxRestClient close];
mxRestClient = nil;
authenticationFallback = nil;
cancelFallbackBarButton = nil;
[super destroy];
}
#pragma mark - Class methods
- (void)registerAuthInputsViewClass:(Class)authInputsViewClass forAuthType:(MXKAuthenticationType)authType
{
// Sanity check: accept only MXKAuthInputsView classes or sub-classes
NSParameterAssert([authInputsViewClass isSubclassOfClass:MXKAuthInputsView.class]);
if (authType == MXKAuthenticationTypeLogin)
{
loginAuthInputsViewClass = authInputsViewClass;
}
else if (authType == MXKAuthenticationTypeRegister)
{
registerAuthInputsViewClass = authInputsViewClass;
}
else if (authType == MXKAuthenticationTypeForgotPassword)
{
forgotPasswordAuthInputsViewClass = authInputsViewClass;
}
}
- (void)setAuthType:(MXKAuthenticationType)authType
{
if (_authType != authType)
{
_authType = authType;
// Cancel external registration parameters if any
_externalRegistrationParameters = nil;
// Remove the current inputs view
self.authInputsView = nil;
isPasswordReseted = NO;
[self.authInputsContainerView bringSubviewToFront: _authenticationActivityIndicator];
[_authenticationActivityIndicator startAnimating];
}
// Restore user interaction
self.userInteractionEnabled = YES;
if (authType == MXKAuthenticationTypeLogin)
{
_subTitleLabel.hidden = YES;
[_submitButton setTitle:[VectorL10n login] forState:UIControlStateNormal];
[_submitButton setTitle:[VectorL10n login] forState:UIControlStateHighlighted];
[_authSwitchButton setTitle:[VectorL10n createAccount] forState:UIControlStateNormal];
[_authSwitchButton setTitle:[VectorL10n createAccount] forState:UIControlStateHighlighted];
// Update supported authentication flow and associated information (defined in authentication session)
[self refreshAuthenticationSession];
self.screenTracker = [[AnalyticsScreenTracker alloc] initWithScreen:AnalyticsScreenLogin];
}
else if (authType == MXKAuthenticationTypeRegister)
{
_subTitleLabel.hidden = NO;
_subTitleLabel.text = [VectorL10n loginCreateAccount];
[_submitButton setTitle:[VectorL10n signUp] forState:UIControlStateNormal];
[_submitButton setTitle:[VectorL10n signUp] forState:UIControlStateHighlighted];
[_authSwitchButton setTitle:[VectorL10n back] forState:UIControlStateNormal];
[_authSwitchButton setTitle:[VectorL10n back] forState:UIControlStateHighlighted];
// Update supported authentication flow and associated information (defined in authentication session)
[self refreshAuthenticationSession];
self.screenTracker = [[AnalyticsScreenTracker alloc] initWithScreen:AnalyticsScreenRegister];
}
else if (authType == MXKAuthenticationTypeForgotPassword)
{
_subTitleLabel.hidden = YES;
if (isPasswordReseted)
{
[_submitButton setTitle:[VectorL10n back] forState:UIControlStateNormal];
[_submitButton setTitle:[VectorL10n back] forState:UIControlStateHighlighted];
}
else
{
[_submitButton setTitle:[VectorL10n submit] forState:UIControlStateNormal];
[_submitButton setTitle:[VectorL10n submit] forState:UIControlStateHighlighted];
[self refreshForgotPasswordSession];
}
[_authSwitchButton setTitle:[VectorL10n back] forState:UIControlStateNormal];
[_authSwitchButton setTitle:[VectorL10n back] forState:UIControlStateHighlighted];
self.screenTracker = [[AnalyticsScreenTracker alloc] initWithScreen:AnalyticsScreenForgotPassword];
}
if (self.isViewVisible)
{
[self.screenTracker trackScreen];
}
[self checkIdentityServer];
}
- (void)setAuthInputsView:(MXKAuthInputsView *)authInputsView
{
// Here a new view will be loaded, hide first subviews which depend on auth flow
_submitButton.hidden = YES;
_noFlowLabel.hidden = YES;
_retryButton.hidden = YES;
if (_authInputsView)
{
[_authInputsView removeObserver:self forKeyPath:@"viewHeightConstraint.constant"];
[NSLayoutConstraint deactivateConstraints:_authInputsView.constraints];
[_authInputsView removeFromSuperview];
_authInputsView.delegate = nil;
[_authInputsView destroy];
_authInputsView = nil;
}
_authInputsView = authInputsView;
CGFloat previousInputsContainerViewHeight = _authInputContainerViewHeightConstraint.constant;
if (_authInputsView)
{
_authInputsView.translatesAutoresizingMaskIntoConstraints = NO;
[_authInputsContainerView addSubview:_authInputsView];
_authInputsView.delegate = self;
_submitButton.hidden = NO;
_authInputsView.hidden = NO;
_authInputContainerViewHeightConstraint.constant = _authInputsView.viewHeightConstraint.constant;
NSLayoutConstraint* topConstraint = [NSLayoutConstraint constraintWithItem:_authInputsContainerView
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:_authInputsView
attribute:NSLayoutAttributeTop
multiplier:1.0f
constant:0.0f];
NSLayoutConstraint* leadingConstraint = [NSLayoutConstraint constraintWithItem:_authInputsContainerView
attribute:NSLayoutAttributeLeading
relatedBy:NSLayoutRelationEqual
toItem:_authInputsView
attribute:NSLayoutAttributeLeading
multiplier:1.0f
constant:0.0f];
NSLayoutConstraint* trailingConstraint = [NSLayoutConstraint constraintWithItem:_authInputsContainerView
attribute:NSLayoutAttributeTrailing
relatedBy:NSLayoutRelationEqual
toItem:_authInputsView
attribute:NSLayoutAttributeTrailing
multiplier:1.0f
constant:0.0f];
[NSLayoutConstraint activateConstraints:@[topConstraint, leadingConstraint, trailingConstraint]];
[_authInputsView addObserver:self forKeyPath:@"viewHeightConstraint.constant" options:0 context:nil];
}
else
{
// No input fields are displayed
_authInputContainerViewHeightConstraint.constant = _authInputContainerViewMinHeightConstraint.constant;
}
[self.view layoutIfNeeded];
// Refresh content view height by considering the updated height of inputs container
_contentViewHeightConstraint.constant += (_authInputContainerViewHeightConstraint.constant - previousInputsContainerViewHeight);
}
- (void)setDefaultHomeServerUrl:(NSString *)defaultHomeServerUrl
{
_defaultHomeServerUrl = defaultHomeServerUrl;
if (!_homeServerTextField.text.length)
{
[self setHomeServerTextFieldText:defaultHomeServerUrl];
}
}
- (void)setDefaultIdentityServerUrl:(NSString *)defaultIdentityServerUrl
{
_defaultIdentityServerUrl = defaultIdentityServerUrl;
if (!_identityServerTextField.text.length)
{
[self setIdentityServerTextFieldText:defaultIdentityServerUrl];
}
}
- (void)setHomeServerTextFieldText:(NSString *)homeServerUrl
{
if (!homeServerUrl.length)
{
// Force refresh with default value
homeServerUrl = _defaultHomeServerUrl;
}
_homeServerTextField.text = homeServerUrl;
if (!mxRestClient || ![mxRestClient.homeserver isEqualToString:homeServerUrl])
{
[self updateRESTClient];
if (_authType == MXKAuthenticationTypeLogin || _authType == MXKAuthenticationTypeRegister)
{
// Restore default UI
self.authType = _authType;
}
else
{
// Refresh the IS anyway
[self checkIdentityServer];
}
}
}
- (void)setIdentityServerTextFieldText:(NSString *)identityServerUrl
{
_identityServerTextField.text = identityServerUrl;
[self updateIdentityServerURL:identityServerUrl];
}
- (void)updateIdentityServerURL:(NSString*)url
{
if (![self.identityService.identityServer isEqualToString:url])
{
if (url.length)
{
self.identityService = [[MXIdentityService alloc] initWithIdentityServer:url accessToken:nil andHomeserverRestClient:mxRestClient];
}
else
{
self.identityService = nil;
}
}
[mxRestClient setIdentityServer:url.length ? url : nil];
}
- (void)setIdentityServerHidden:(BOOL)hidden
{
_identityServerContainer.hidden = hidden;
}
- (void)checkIdentityServer
{
[self cancelIdentityServerCheck];
// Hide the field while checking data
[self setIdentityServerHidden:YES];
NSString *homeserver = mxRestClient.homeserver;
// First, fetch the IS advertised by the HS
if (homeserver)
{
MXLogDebug(@"[MXKAuthenticationVC] checkIdentityServer for homeserver %@", homeserver);
autoDiscovery = [[MXAutoDiscovery alloc] initWithUrl:homeserver];
MXWeakify(self);
checkIdentityServerOperation = [autoDiscovery findClientConfig:^(MXDiscoveredClientConfig * _Nonnull discoveredClientConfig) {
MXStrongifyAndReturnIfNil(self);
NSString *identityServer = discoveredClientConfig.wellKnown.identityServer.baseUrl;
MXLogDebug(@"[MXKAuthenticationVC] checkIdentityServer: Identity server: %@", identityServer);
if (identityServer)
{
// Apply the provided IS
[self setIdentityServerTextFieldText:identityServer];
}
// Then, check if the HS needs an IS for running
MXWeakify(self);
MXHTTPOperation *operation = [self checkIdentityServerRequirementWithCompletion:^(BOOL identityServerRequired) {
MXStrongifyAndReturnIfNil(self);
self->checkIdentityServerOperation = nil;
// Show the field only if an IS is required so that the user can customise it
[self setIdentityServerHidden:!identityServerRequired];
}];
if (operation)
{
[self->checkIdentityServerOperation mutateTo:operation];
}
else
{
self->checkIdentityServerOperation = nil;
}
self->autoDiscovery = nil;
} failure:^(NSError *error) {
MXStrongifyAndReturnIfNil(self);
// No need to report this error to the end user
// There will be already an error about failing to get the auth flow from the HS
MXLogDebug(@"[MXKAuthenticationVC] checkIdentityServer. Error: %@", error);
self->autoDiscovery = nil;
}];
}
}
- (void)cancelIdentityServerCheck
{
if (checkIdentityServerOperation)
{
[checkIdentityServerOperation cancel];
checkIdentityServerOperation = nil;
}
}
- (MXHTTPOperation*)checkIdentityServerRequirementWithCompletion:(void (^)(BOOL identityServerRequired))completion
{
MXHTTPOperation *operation;
if (_authType == MXKAuthenticationTypeLogin)
{
// The identity server is only required for registration and password reset
// It is then stored in the user account data
completion(NO);
}
else
{
operation = [mxRestClient supportedMatrixVersions:^(MXMatrixVersions *matrixVersions) {
MXLogDebug(@"[MXKAuthenticationVC] checkIdentityServerRequirement: %@", matrixVersions.doesServerRequireIdentityServerParam ? @"YES": @"NO");
completion(matrixVersions.doesServerRequireIdentityServerParam);
} failure:^(NSError *error) {
// No need to report this error to the end user
// There will be already an error about failing to get the auth flow from the HS
MXLogDebug(@"[MXKAuthenticationVC] checkIdentityServerRequirement. Error: %@", error);
}];
}
return operation;
}
- (void)setUserInteractionEnabled:(BOOL)userInteractionEnabled
{
_submitButton.enabled = (userInteractionEnabled && _authInputsView.areAllRequiredFieldsSet);
_authSwitchButton.enabled = userInteractionEnabled;
_homeServerTextField.enabled = userInteractionEnabled;
_identityServerTextField.enabled = userInteractionEnabled;
_userInteractionEnabled = userInteractionEnabled;
}
- (void)refreshAuthenticationSession
{
// Remove reachability observer
[[NSNotificationCenter defaultCenter] removeObserver:self name:AFNetworkingReachabilityDidChangeNotification object:nil];
// Cancel potential request in progress
[mxCurrentOperation cancel];
mxCurrentOperation = nil;
// Reset potential authentication fallback url
authenticationFallback = nil;
if (mxRestClient && (self.authType == MXKAuthenticationTypeLogin || self.authType == MXKAuthenticationTypeRegister))
{
MXWeakify(self);
// Get the login session to determine available SSO flows.
mxCurrentOperation = [mxRestClient getLoginSession:^(MXAuthenticationSession* loginAuthSession) {
MXStrongifyAndReturnIfNil(self);
if (self.authType == MXKAuthenticationTypeRegister)
{
MXWeakify(self);
self->mxCurrentOperation = [self->mxRestClient getRegisterSession:^(MXAuthenticationSession* registerAuthSession) {
MXStrongifyAndReturnIfNil(self);
// Handle the register session along with any SSO flows from the login session
MXLoginSSOFlow *loginSSOFlow = [self loginSSOFlowWithProvidersFromFlows:loginAuthSession.flows];
[self handleAuthenticationSession:registerAuthSession withFallbackSSOFlow:loginSSOFlow];
} failure:^(NSError *error) {
[self onFailureDuringMXOperation:error];
}];
}
else
{
// Handle the login session by itself
[self handleAuthenticationSession:loginAuthSession withFallbackSSOFlow:nil];
}
} failure:^(NSError *error) {
MXStrongifyAndReturnIfNil(self);
[self onFailureDuringMXOperation:error];
}];
}
else
{
// Not supported for other types
MXLogDebug(@"[MXKAuthenticationVC] refreshAuthenticationSession is ignored");
}
}
- (void)handleAuthenticationSession:(MXAuthenticationSession *)authSession withFallbackSSOFlow:(MXLoginSSOFlow *)fallbackSSOFlow
{
mxCurrentOperation = nil;
[_authenticationActivityIndicator stopAnimating];
// Check whether fallback is defined, and retrieve the right input view class.
Class authInputsViewClass;
if (_authType == MXKAuthenticationTypeLogin)
{
authenticationFallback = [mxRestClient loginFallback];
authInputsViewClass = loginAuthInputsViewClass;
}
else if (_authType == MXKAuthenticationTypeRegister)
{
authenticationFallback = [mxRestClient registerFallback];
authInputsViewClass = registerAuthInputsViewClass;
}
else
{
// Not supported for other types
MXLogDebug(@"[MXKAuthenticationVC] handleAuthenticationSession is ignored");
return;
}
MXKAuthInputsView *authInputsView = nil;
if (authInputsViewClass)
{
// Instantiate a new auth inputs view, except if the current one is already an instance of this class.
if (self.authInputsView && self.authInputsView.class == authInputsViewClass)
{
// Use the current view
authInputsView = self.authInputsView;
}
else
{
authInputsView = [authInputsViewClass authInputsView];
}
}
if (authInputsView)
{
// Apply authentication session on inputs view
if ([authInputsView setAuthSession:authSession withAuthType:_authType] == NO)
{
MXLogDebug(@"[MXKAuthenticationVC] Received authentication settings are not supported");
authInputsView = nil;
}
else if (!_softLogoutCredentials)
{
// If all listed flows in this authentication session are not supported we suggest using the fallback page.
if (authenticationFallback.length && authInputsView.authSession.flows.count == 0)
{
MXLogDebug(@"[MXKAuthenticationVC] No supported flow, suggest using fallback page");
authInputsView = nil;
}
else if (authInputsView.authSession.flows.count != authSession.flows.count)
{
MXLogDebug(@"[MXKAuthenticationVC] The authentication session contains at least one unsupported flow");
}
}
}
if (authInputsView)
{
// Check whether the current view must be replaced
if (self.authInputsView != authInputsView)
{
// Refresh layout
self.authInputsView = authInputsView;
}
// Refresh user interaction
self.userInteractionEnabled = _userInteractionEnabled;
// Check whether an external set of parameters have been defined to pursue a registration
if (self.externalRegistrationParameters)
{
if ([authInputsView setExternalRegistrationParameters:self.externalRegistrationParameters])
{
// Launch authentication now
[self onButtonPressed:_submitButton];
}
else
{
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:[VectorL10n notSupportedYet]}]];
_externalRegistrationParameters = nil;
// Restore login screen on failure
self.authType = MXKAuthenticationTypeLogin;
}
}
if (_softLogoutCredentials)
{
[authInputsView setSoftLogoutCredentials:_softLogoutCredentials];
}
}
else
{
// Remove the potential auth inputs view
self.authInputsView = nil;
// Cancel external registration parameters if any
_externalRegistrationParameters = nil;
// Notify user that no flow is supported
if (_authType == MXKAuthenticationTypeLogin)
{
_noFlowLabel.text = [VectorL10n loginErrorDoNotSupportLoginFlows];
}
else
{
_noFlowLabel.text = [VectorL10n loginErrorRegistrationIsNotSupported];
}
MXLogDebug(@"[MXKAuthenticationVC] Warning: %@", _noFlowLabel.text);
if (authenticationFallback.length)
{
[_retryButton setTitle:[VectorL10n loginUseFallback] forState:UIControlStateNormal];
[_retryButton setTitle:[VectorL10n loginUseFallback] forState:UIControlStateNormal];
}
else
{
[_retryButton setTitle:[VectorL10n retry] forState:UIControlStateNormal];
[_retryButton setTitle:[VectorL10n retry] forState:UIControlStateNormal];
}
_noFlowLabel.hidden = NO;
_retryButton.hidden = NO;
}
}
- (void)setExternalRegistrationParameters:(NSDictionary*)parameters
{
if (parameters.count)
{
MXLogDebug(@"[MXKAuthenticationVC] setExternalRegistrationParameters");
// Cancel the current operation if any.
[self cancel];
// Load the view controllers view if it has not yet been loaded.
// This is required before updating view's textfields (homeserver url...)
[self loadViewIfNeeded];
// Force register mode
self.authType = MXKAuthenticationTypeRegister;
// Apply provided homeserver if any
id hs_url = parameters[@"hs_url"];
NSString *homeserverURL = nil;
if (hs_url && [hs_url isKindOfClass:NSString.class])
{
homeserverURL = hs_url;
}
[self setHomeServerTextFieldText:homeserverURL];
// Apply provided identity server if any
id is_url = parameters[@"is_url"];
NSString *identityURL = nil;
if (is_url && [is_url isKindOfClass:NSString.class])
{
identityURL = is_url;
}
[self setIdentityServerTextFieldText:identityURL];
// Disable user interaction
self.userInteractionEnabled = NO;
// Cancel potential request in progress
[mxCurrentOperation cancel];
mxCurrentOperation = nil;
// Remove the current auth inputs view
self.authInputsView = nil;
// Set external parameters and trigger a refresh (the parameters will be taken into account during [handleAuthenticationSession:])
_externalRegistrationParameters = parameters;
[self refreshAuthenticationSession];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] reset externalRegistrationParameters");
_externalRegistrationParameters = nil;
// Restore default UI
self.authType = _authType;
}
}
- (void)setSoftLogoutCredentials:(MXCredentials *)softLogoutCredentials
{
MXLogDebug(@"[MXKAuthenticationVC] setSoftLogoutCredentials");
// Cancel the current operation if any.
[self cancel];
// Load the view controllers view if it has not yet been loaded.
// This is required before updating view's textfields (homeserver url...)
[self loadViewIfNeeded];
if (softLogoutCredentials)
{
// Force register mode
self.authType = MXKAuthenticationTypeLogin;
[self setHomeServerTextFieldText:softLogoutCredentials.homeServer];
[self setIdentityServerTextFieldText:softLogoutCredentials.identityServer];
// Cancel potential request in progress
[mxCurrentOperation cancel];
mxCurrentOperation = nil;
// Remove the current auth inputs view
self.authInputsView = nil;
}
// Set parameters and trigger a refresh (the parameters will be taken into account during [handleAuthenticationSession:])
_softLogoutCredentials = softLogoutCredentials;
[self refreshAuthenticationSession];
}
- (void)setOnUnrecognizedCertificateBlock:(MXHTTPClientOnUnrecognizedCertificate)onUnrecognizedCertificateBlock
{
onUnrecognizedCertificateCustomBlock = onUnrecognizedCertificateBlock;
}
- (void)isUserNameInUse:(void (^)(BOOL isUserNameInUse))callback
{
mxCurrentOperation = [mxRestClient isUserNameInUse:self.authInputsView.userId callback:^(BOOL isUserNameInUse) {
self->mxCurrentOperation = nil;
if (callback)
{
callback (isUserNameInUse);
}
}];
}
- (void)testUserRegistration:(void (^)(MXError *mxError))callback
{
mxCurrentOperation = [mxRestClient testUserRegistration:self.authInputsView.userId callback:callback];
}
- (MXLoginSSOFlow*)loginSSOFlowWithProvidersFromFlows:(NSArray<MXLoginFlow*>*)loginFlows
{
MXLoginSSOFlow *ssoFlowWithProviders;
for (MXLoginFlow *loginFlow in loginFlows)
{
if ([loginFlow isKindOfClass:MXLoginSSOFlow.class])
{
MXLoginSSOFlow *ssoFlow = (MXLoginSSOFlow *)loginFlow;
if (ssoFlow.identityProviders.count)
{
ssoFlowWithProviders = ssoFlow;
break;
}
}
}
return ssoFlowWithProviders;
}
- (IBAction)onButtonPressed:(id)sender
{
[self dismissKeyboard];
if (sender == _submitButton)
{
// Disable user interaction to prevent multiple requests
self.userInteractionEnabled = NO;
// Check parameters validity
NSString *errorMsg = [self.authInputsView validateParameters];
if (errorMsg)
{
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:errorMsg}]];
}
else
{
[self.authInputsContainerView bringSubviewToFront: _authenticationActivityIndicator];
// Launch the authentication according to its type
if (_authType == MXKAuthenticationTypeLogin)
{
// Prepare the parameters dict
[self.authInputsView prepareParameters:^(NSDictionary *parameters, NSError *error) {
if (parameters && self->mxRestClient)
{
[self->_authenticationActivityIndicator startAnimating];
[self loginWithParameters:parameters];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Failed to prepare parameters");
[self onFailureDuringAuthRequest:error];
}
}];
}
else if (_authType == MXKAuthenticationTypeRegister)
{
// Check here the availability of the userId
if (self.authInputsView.userId.length)
{
[_authenticationActivityIndicator startAnimating];
if (self.authInputsView.password.length)
{
// Trigger here a register request in order to associate the filled userId and password to the current session id
// This will check the availability of the userId at the same time
NSDictionary *parameters = @{@"auth": @{
@"session": self.authInputsView.authSession.session,
@"type": kMXLoginFlowTypeDummy
},
@"username": self.authInputsView.userId,
@"password": self.authInputsView.password,
@"bind_email": @(NO),
@"initial_device_display_name":self.deviceDisplayName
};
mxCurrentOperation = [mxRestClient registerWithParameters:parameters success:^(NSDictionary *JSONResponse) {
// Unexpected case where the registration succeeds without any other stages
MXLoginResponse *loginResponse;
MXJSONModelSetMXJSONModel(loginResponse, MXLoginResponse, JSONResponse);
MXCredentials *credentials = [[MXCredentials alloc] initWithLoginResponse:loginResponse
andDefaultCredentials:self->mxRestClient.credentials];
// Sanity check
if (!credentials.userId || !credentials.accessToken)
{
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:[VectorL10n notSupportedYet]}]];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Registration succeeded");
// Report the certificate trusted by user (if any)
credentials.allowedCertificate = self->mxRestClient.allowedCertificate;
[self onSuccessfulLogin:credentials];
}
} failure:^(NSError *error) {
self->mxCurrentOperation = nil;
// An updated authentication session should be available in response data in case of unauthorized request.
NSDictionary *JSONResponse = nil;
if (error.userInfo[MXHTTPClientErrorResponseDataKey])
{
JSONResponse = error.userInfo[MXHTTPClientErrorResponseDataKey];
}
if (JSONResponse)
{
MXAuthenticationSession *authSession = [MXAuthenticationSession modelFromJSON:JSONResponse];
[self->_authenticationActivityIndicator stopAnimating];
// Update session identifier
self.authInputsView.authSession.session = authSession.session;
// Launch registration by preparing parameters dict
[self.authInputsView prepareParameters:^(NSDictionary *parameters, NSError *error) {
if (parameters && self->mxRestClient)
{
[self->_authenticationActivityIndicator startAnimating];
[self registerWithParameters:parameters];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Failed to prepare parameters");
[self onFailureDuringAuthRequest:error];
}
}];
}
else
{
[self onFailureDuringAuthRequest:error];
}
}];
}
else
{
[self isUserNameInUse:^(BOOL isUserNameInUse) {
if (isUserNameInUse)
{
MXLogDebug(@"[MXKAuthenticationVC] User name is already use");
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:[VectorL10n authUsernameInUse]}]];
}
else
{
[self->_authenticationActivityIndicator stopAnimating];
// Launch registration by preparing parameters dict
[self.authInputsView prepareParameters:^(NSDictionary *parameters, NSError *error) {
if (parameters && self->mxRestClient)
{
[self->_authenticationActivityIndicator startAnimating];
[self registerWithParameters:parameters];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Failed to prepare parameters");
[self onFailureDuringAuthRequest:error];
}
}];
}
}];
}
}
else if (self.externalRegistrationParameters)
{
// Launch registration by preparing parameters dict
[self.authInputsView prepareParameters:^(NSDictionary *parameters, NSError *error) {
if (parameters && self->mxRestClient)
{
[self->_authenticationActivityIndicator startAnimating];
[self registerWithParameters:parameters];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Failed to prepare parameters");
[self onFailureDuringAuthRequest:error];
}
}];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] User name is missing");
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:[VectorL10n authInvalidUserName]}]];
}
}
else if (_authType == MXKAuthenticationTypeForgotPassword)
{
// Check whether the password has been reseted
if (isPasswordReseted)
{
// Return to login screen
self.authType = MXKAuthenticationTypeLogin;
}
else
{
// Prepare the parameters dict
[self.authInputsView prepareParameters:^(NSDictionary *parameters, NSError *error) {
if (parameters && self->mxRestClient)
{
[self->_authenticationActivityIndicator startAnimating];
[self resetPasswordWithParameters:parameters];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Failed to prepare parameters");
[self onFailureDuringAuthRequest:error];
}
}];
}
}
}
}
else if (sender == _authSwitchButton)
{
if (_authType == MXKAuthenticationTypeLogin)
{
self.authType = MXKAuthenticationTypeRegister;
}
else
{
self.authType = MXKAuthenticationTypeLogin;
}
}
else if (sender == _retryButton)
{
if (authenticationFallback)
{
[self showAuthenticationFallBackView:authenticationFallback];
}
else
{
[self refreshAuthenticationSession];
}
}
else if (sender == _cancelAuthFallbackButton)
{
// Hide fallback webview
[self hideRegistrationFallbackView];
}
}
- (void)cancel
{
MXLogDebug(@"[MXKAuthenticationVC] cancel");
// Cancel external registration parameters if any
_externalRegistrationParameters = nil;
if (registrationTimer)
{
[registrationTimer invalidate];
registrationTimer = nil;
}
// Cancel request in progress
if (mxCurrentOperation)
{
[mxCurrentOperation cancel];
mxCurrentOperation = nil;
}
[_authenticationActivityIndicator stopAnimating];
self.userInteractionEnabled = YES;
// Reset potential completed stages
self.authInputsView.authSession.completed = nil;
// Update authentication inputs view to return in initial step
[self.authInputsView setAuthSession:self.authInputsView.authSession withAuthType:_authType];
}
- (void)onFailureDuringAuthRequest:(NSError *)error
{
mxCurrentOperation = nil;
[_authenticationActivityIndicator stopAnimating];
self.userInteractionEnabled = YES;
// Ignore connection cancellation error
if (([error.domain isEqualToString:NSURLErrorDomain] && error.code == NSURLErrorCancelled))
{
MXLogDebug(@"[MXKAuthenticationVC] Auth request cancelled");
return;
}
MXLogDebug(@"[MXKAuthenticationVC] Auth request failed: %@", error);
// Cancel external registration parameters if any
_externalRegistrationParameters = nil;
// Translate the error code to a human message
NSString *title = error.localizedFailureReason;
if (!title)
{
if (self.authType == MXKAuthenticationTypeLogin)
{
title = [VectorL10n loginErrorTitle];
}
else if (self.authType == MXKAuthenticationTypeRegister)
{
title = [VectorL10n registerErrorTitle];
}
else
{
title = [VectorL10n error];
}
}
NSString* message = error.localizedDescription;
NSDictionary* dict = error.userInfo;
// detect if it is a Matrix SDK issue
if (dict)
{
NSString* localizedError = [dict valueForKey:@"error"];
NSString* errCode = [dict valueForKey:@"errcode"];
if (localizedError.length > 0)
{
message = localizedError;
}
if (errCode)
{
if ([errCode isEqualToString:kMXErrCodeStringForbidden])
{
message = [VectorL10n loginErrorForbidden];
}
else if ([errCode isEqualToString:kMXErrCodeStringUnknownToken])
{
message = [VectorL10n loginErrorUnknownToken];
}
else if ([errCode isEqualToString:kMXErrCodeStringBadJSON])
{
message = [VectorL10n loginErrorBadJson];
}
else if ([errCode isEqualToString:kMXErrCodeStringNotJSON])
{
message = [VectorL10n loginErrorNotJson];
}
else if ([errCode isEqualToString:kMXErrCodeStringLimitExceeded])
{
message = [VectorL10n loginErrorLimitExceeded];
}
else if ([errCode isEqualToString:kMXErrCodeStringUserInUse])
{
message = [VectorL10n loginErrorUserInUse];
}
else if ([errCode isEqualToString:kMXErrCodeStringLoginEmailURLNotYet])
{
message = [VectorL10n loginErrorLoginEmailNotYet];
}
else if ([errCode isEqualToString:kMXErrCodeStringResourceLimitExceeded])
{
[self showResourceLimitExceededError:dict onAdminContactTapped:nil];
return;
}
else if (!message.length)
{
message = errCode;
}
}
}
// Alert user
if (alert)
{
[alert dismissViewControllerAnimated:NO completion:nil];
}
alert = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
[alert addAction:[UIAlertAction actionWithTitle:[VectorL10n ok]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
self->alert = nil;
}]];
[self presentViewController:alert animated:YES completion:nil];
// Update authentication inputs view to return in initial step
[self.authInputsView setAuthSession:self.authInputsView.authSession withAuthType:_authType];
if (self.softLogoutCredentials)
{
self.authInputsView.softLogoutCredentials = self.softLogoutCredentials;
}
}
- (void)showResourceLimitExceededError:(NSDictionary *)errorDict onAdminContactTapped:(void (^)(NSURL *adminContact))onAdminContactTapped
{
mxCurrentOperation = nil;
[_authenticationActivityIndicator stopAnimating];
self.userInteractionEnabled = YES;
// Alert user
if (alert)
{
[alert dismissViewControllerAnimated:NO completion:nil];
}
// Parse error data
NSString *limitType, *adminContactString;
NSURL *adminContact;
MXJSONModelSetString(limitType, errorDict[kMXErrorResourceLimitExceededLimitTypeKey]);
MXJSONModelSetString(adminContactString, errorDict[kMXErrorResourceLimitExceededAdminContactKey]);
if (adminContactString)
{
adminContact = [NSURL URLWithString:adminContactString];
}
NSString *title = [VectorL10n loginErrorResourceLimitExceededTitle];
// Build the message content
NSMutableString *message = [NSMutableString new];
if ([limitType isEqualToString:kMXErrorResourceLimitExceededLimitTypeMonthlyActiveUserValue])
{
[message appendString:[VectorL10n loginErrorResourceLimitExceededMessageMonthlyActiveUser]];
}
else
{
[message appendString:[VectorL10n loginErrorResourceLimitExceededMessageDefault]];
}
[message appendString:[VectorL10n loginErrorResourceLimitExceededMessageContact]];
// Build the alert
alert = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
MXWeakify(self);
if (adminContact && onAdminContactTapped)
{
[alert addAction:[UIAlertAction actionWithTitle:[VectorL10n loginErrorResourceLimitExceededContactButton]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action)
{
MXStrongifyAndReturnIfNil(self);
self->alert = nil;
// Let the system handle the URI
// It could be something like "mailto: server.admin@example.com"
onAdminContactTapped(adminContact);
}]];
}
[alert addAction:[UIAlertAction actionWithTitle:[VectorL10n cancel]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action)
{
MXStrongifyAndReturnIfNil(self);
self->alert = nil;
}]];
[self presentViewController:alert animated:YES completion:nil];
// Update authentication inputs view to return in initial step
[self.authInputsView setAuthSession:self.authInputsView.authSession withAuthType:_authType];
}
- (void)onSuccessfulLogin:(MXCredentials*)credentials
{
mxCurrentOperation = nil;
[_authenticationActivityIndicator stopAnimating];
self.userInteractionEnabled = YES;
if (self.softLogoutCredentials)
{
// Hydrate the account with the new access token
MXKAccount *account = [[MXKAccountManager sharedManager] accountForUserId:self.softLogoutCredentials.userId];
[[MXKAccountManager sharedManager] hydrateAccount:account withCredentials:credentials];
if (_delegate)
{
[_delegate authenticationViewController:self didLogWithUserId:credentials.userId];
}
}
// Sanity check: check whether the user is not already logged in with this id
else if ([[MXKAccountManager sharedManager] accountForUserId:credentials.userId])
{
//Alert user
__weak typeof(self) weakSelf = self;
if (alert)
{
[alert dismissViewControllerAnimated:NO completion:nil];
}
alert = [UIAlertController alertControllerWithTitle:[VectorL10n loginErrorAlreadyLoggedIn] message:nil preferredStyle:UIAlertControllerStyleAlert];
[alert addAction:[UIAlertAction actionWithTitle:[VectorL10n ok]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
// We remove the authentication view controller.
typeof(self) self = weakSelf;
self->alert = nil;
[self withdrawViewControllerAnimated:YES completion:nil];
}]];
[self presentViewController:alert animated:YES completion:nil];
}
else
{
// Report the new account in account manager
if (!credentials.identityServer)
{
credentials.identityServer = _identityServerTextField.text;
}
[self createAccountWithCredentials:credentials];
}
}
- (MXHTTPOperation *)currentHttpOperation
{
return mxCurrentOperation;
}
#pragma mark - Privates
// Hook point for triggering device rehydration in subclasses
// Avoid cycles by using a separate private method do to the actual work
- (void)createAccountWithCredentials:(MXCredentials *)credentials
{
[self _createAccountWithCredentials:credentials];
}
- (void)_createAccountWithCredentials:(MXCredentials *)credentials
{
MXKAccount *account = [[MXKAccount alloc] initWithCredentials:credentials];
account.identityServerURL = credentials.identityServer;
[[MXKAccountManager sharedManager] addAccount:account andOpenSession:YES];
if (_delegate)
{
[_delegate authenticationViewController:self didLogWithUserId:credentials.userId];
}
}
- (NSString *)deviceDisplayName
{
if (_deviceDisplayName)
{
return _deviceDisplayName;
}
#if TARGET_OS_IPHONE
NSString *deviceName = [[UIDevice currentDevice].model isEqualToString:@"iPad"] ? [VectorL10n loginTabletDevice] : [VectorL10n loginMobileDevice];
#elif TARGET_OS_OSX
NSString *deviceName = [VectorL10n loginDesktopDevice];
#endif
return deviceName;
}
- (void)refreshForgotPasswordSession
{
[_authenticationActivityIndicator stopAnimating];
MXKAuthInputsView *authInputsView = nil;
if (forgotPasswordAuthInputsViewClass)
{
// Instantiate a new auth inputs view, except if the current one is already an instance of this class.
if (self.authInputsView && self.authInputsView.class == forgotPasswordAuthInputsViewClass)
{
// Use the current view
authInputsView = self.authInputsView;
}
else
{
authInputsView = [forgotPasswordAuthInputsViewClass authInputsView];
}
}
if (authInputsView)
{
// Update authentication inputs view to return in initial step
[authInputsView setAuthSession:nil withAuthType:MXKAuthenticationTypeForgotPassword];
// Check whether the current view must be replaced
if (self.authInputsView != authInputsView)
{
// Refresh layout
self.authInputsView = authInputsView;
}
// Refresh user interaction
self.userInteractionEnabled = _userInteractionEnabled;
}
else
{
// Remove the potential auth inputs view
self.authInputsView = nil;
_noFlowLabel.text = [VectorL10n loginErrorForgotPasswordIsNotSupported];
MXLogDebug(@"[MXKAuthenticationVC] Warning: %@", _noFlowLabel.text);
_noFlowLabel.hidden = NO;
}
}
- (void)updateRESTClient
{
NSString *homeserverURL = [HomeserverAddress sanitized:_homeServerTextField.text];
if (homeserverURL.length)
{
// Check change
if ([homeserverURL isEqualToString:mxRestClient.homeserver] == NO)
{
mxRestClient = [[MXRestClient alloc] initWithHomeServer:homeserverURL andOnUnrecognizedCertificateBlock:^BOOL(NSData *certificate) {
// Check first if the app developer provided its own certificate handler.
if (self->onUnrecognizedCertificateCustomBlock)
{
return self->onUnrecognizedCertificateCustomBlock (certificate);
}
// Else prompt the user by displaying a fingerprint (SHA256) of the certificate.
__block BOOL isTrusted;
dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
NSString *title = [VectorL10n sslCouldNotVerify];
NSString *homeserverURLStr = [VectorL10n sslHomeserverUrl:homeserverURL];
NSString *fingerprint = [VectorL10n sslFingerprintHash:@"SHA256"];
NSString *certFingerprint = [certificate mx_SHA256AsHexString];
NSString *msg = [NSString stringWithFormat:@"%@\n\n%@\n\n%@\n\n%@\n\n%@\n\n%@", [VectorL10n sslCertNotTrust], [VectorL10n sslCertNewAccountExpl], homeserverURLStr, fingerprint, certFingerprint, [VectorL10n sslOnlyAccept]];
if (self->alert)
{
[self->alert dismissViewControllerAnimated:NO completion:nil];
}
self->alert = [UIAlertController alertControllerWithTitle:title message:msg preferredStyle:UIAlertControllerStyleAlert];
[self->alert addAction:[UIAlertAction actionWithTitle:[VectorL10n cancel]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
self->alert = nil;
isTrusted = NO;
dispatch_semaphore_signal(semaphore);
}]];
[self->alert addAction:[UIAlertAction actionWithTitle:[VectorL10n sslTrust]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
self->alert = nil;
isTrusted = YES;
dispatch_semaphore_signal(semaphore);
}]];
dispatch_async(dispatch_get_main_queue(), ^{
[self presentViewController:self->alert animated:YES completion:nil];
});
dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
if (!isTrusted)
{
// Cancel request in progress
[self->mxCurrentOperation cancel];
self->mxCurrentOperation = nil;
[[NSNotificationCenter defaultCenter] removeObserver:self name:AFNetworkingReachabilityDidChangeNotification object:nil];
[self->_authenticationActivityIndicator stopAnimating];
}
return isTrusted;
}];
if (_identityServerTextField.text.length)
{
[self updateIdentityServerURL:self.identityServerTextField.text];
}
}
}
else
{
[mxRestClient close];
mxRestClient = nil;
}
}
- (void)loginWithParameters:(NSDictionary*)parameters
{
// Add the device name
NSMutableDictionary *theParameters = [NSMutableDictionary dictionaryWithDictionary:parameters];
theParameters[@"initial_device_display_name"] = self.deviceDisplayName;
mxCurrentOperation = [mxRestClient login:theParameters success:^(NSDictionary *JSONResponse) {
MXLoginResponse *loginResponse;
MXJSONModelSetMXJSONModel(loginResponse, MXLoginResponse, JSONResponse);
MXCredentials *credentials = [[MXCredentials alloc] initWithLoginResponse:loginResponse
andDefaultCredentials:self->mxRestClient.credentials];
// Sanity check
if (!credentials.userId || !credentials.accessToken)
{
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:[VectorL10n notSupportedYet]}]];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Login process succeeded");
// Report the certificate trusted by user (if any)
credentials.allowedCertificate = self->mxRestClient.allowedCertificate;
[self onSuccessfulLogin:credentials];
}
} failure:^(NSError *error) {
[self onFailureDuringAuthRequest:error];
}];
}
- (void)registerWithParameters:(NSDictionary*)parameters
{
if (registrationTimer)
{
[registrationTimer invalidate];
registrationTimer = nil;
}
// Add the device name
NSMutableDictionary *theParameters = [NSMutableDictionary dictionaryWithDictionary:parameters];
theParameters[@"initial_device_display_name"] = self.deviceDisplayName;
mxCurrentOperation = [mxRestClient registerWithParameters:theParameters success:^(NSDictionary *JSONResponse) {
MXLoginResponse *loginResponse;
MXJSONModelSetMXJSONModel(loginResponse, MXLoginResponse, JSONResponse);
MXCredentials *credentials = [[MXCredentials alloc] initWithLoginResponse:loginResponse
andDefaultCredentials:self->mxRestClient.credentials];
// Sanity check
if (!credentials.userId || !credentials.accessToken)
{
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:[VectorL10n notSupportedYet]}]];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Registration succeeded");
// Report the certificate trusted by user (if any)
credentials.allowedCertificate = self->mxRestClient.allowedCertificate;
[self onSuccessfulLogin:credentials];
}
} failure:^(NSError *error) {
self->mxCurrentOperation = nil;
// Check whether the authentication is pending (for example waiting for email validation)
MXError *mxError = [[MXError alloc] initWithNSError:error];
if (mxError && [mxError.errcode isEqualToString:kMXErrCodeStringUnauthorized])
{
MXLogDebug(@"[MXKAuthenticationVC] Wait for email validation");
// Postpone a new attempt in 10 sec
self->registrationTimer = [NSTimer scheduledTimerWithTimeInterval:10 target:self selector:@selector(registrationTimerFireMethod:) userInfo:parameters repeats:NO];
}
else
{
// The completed stages should be available in response data in case of unauthorized request.
NSDictionary *JSONResponse = nil;
if (error.userInfo[MXHTTPClientErrorResponseDataKey])
{
JSONResponse = error.userInfo[MXHTTPClientErrorResponseDataKey];
}
if (JSONResponse)
{
MXAuthenticationSession *authSession = [MXAuthenticationSession modelFromJSON:JSONResponse];
if (authSession.completed)
{
[self->_authenticationActivityIndicator stopAnimating];
// Update session identifier in case of change
self.authInputsView.authSession.session = authSession.session;
[self.authInputsView updateAuthSessionWithCompletedStages:authSession.completed didUpdateParameters:^(NSDictionary *parameters, NSError *error) {
if (parameters)
{
MXLogDebug(@"[MXKAuthenticationVC] Pursue registration");
[self->_authenticationActivityIndicator startAnimating];
[self registerWithParameters:parameters];
}
else
{
MXLogDebug(@"[MXKAuthenticationVC] Failed to update parameters");
[self onFailureDuringAuthRequest:error];
}
}];
return;
}
[self onFailureDuringAuthRequest:[NSError errorWithDomain:MXKAuthErrorDomain code:0 userInfo:@{NSLocalizedDescriptionKey:[VectorL10n notSupportedYet]}]];
}
else
{
[self onFailureDuringAuthRequest:error];
}
}
}];
}
- (void)registrationTimerFireMethod:(NSTimer *)timer
{
if (timer == registrationTimer && timer.isValid)
{
MXLogDebug(@"[MXKAuthenticationVC] Retry registration");
[self registerWithParameters:registrationTimer.userInfo];
}
}
- (void)resetPasswordWithParameters:(NSDictionary*)parameters
{
mxCurrentOperation = [mxRestClient resetPasswordWithParameters:parameters success:^() {
MXLogDebug(@"[MXKAuthenticationVC] Reset password succeeded");
self->mxCurrentOperation = nil;
[self->_authenticationActivityIndicator stopAnimating];
self->isPasswordReseted = YES;
// Force UI update to refresh submit button title.
self.authType = self->_authType;
// Refresh the authentication inputs view on success.
[self.authInputsView nextStep];
} failure:^(NSError *error) {
MXError *mxError = [[MXError alloc] initWithNSError:error];
if (mxError && [mxError.errcode isEqualToString:kMXErrCodeStringUnauthorized])
{
MXLogDebug(@"[MXKAuthenticationVC] Forgot Password: wait for email validation");
self->mxCurrentOperation = nil;
[self->_authenticationActivityIndicator stopAnimating];
if (self->alert)
{
[self->alert dismissViewControllerAnimated:NO completion:nil];
}
self->alert = [UIAlertController alertControllerWithTitle:[VectorL10n error] message:[VectorL10n authResetPasswordErrorUnauthorized] preferredStyle:UIAlertControllerStyleAlert];
[self->alert addAction:[UIAlertAction actionWithTitle:[VectorL10n ok]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
self->alert = nil;
}]];
[self presentViewController:self->alert animated:YES completion:nil];
}
else if (mxError && [mxError.errcode isEqualToString:kMXErrCodeStringNotFound])
{
MXLogDebug(@"[MXKAuthenticationVC] Forgot Password: not found");
NSMutableDictionary *userInfo;
if (error.userInfo)
{
userInfo = [NSMutableDictionary dictionaryWithDictionary:error.userInfo];
}
else
{
userInfo = [NSMutableDictionary dictionary];
}
userInfo[NSLocalizedDescriptionKey] = [VectorL10n authResetPasswordErrorNotFound];
[self onFailureDuringAuthRequest:[NSError errorWithDomain:kMXNSErrorDomain code:0 userInfo:userInfo]];
}
else
{
[self onFailureDuringAuthRequest:error];
}
}];
}
- (void)onFailureDuringMXOperation:(NSError*)error
{
mxCurrentOperation = nil;
[_authenticationActivityIndicator stopAnimating];
if ([error.domain isEqualToString:NSURLErrorDomain] && error.code == NSURLErrorCancelled)
{
// Ignore this error
MXLogDebug(@"[MXKAuthenticationVC] flows request cancelled");
return;
}
MXLogDebug(@"[MXKAuthenticationVC] Failed to get %@ flows: %@", (_authType == MXKAuthenticationTypeLogin ? @"Login" : @"Register"), error);
// Cancel external registration parameters if any
_externalRegistrationParameters = nil;
// Alert user
NSString *title = [error.userInfo valueForKey:NSLocalizedFailureReasonErrorKey];
if (!title)
{
title = [VectorL10n error];
}
NSString *msg = [error.userInfo valueForKey:NSLocalizedDescriptionKey];
if (alert)
{
[alert dismissViewControllerAnimated:NO completion:nil];
}
alert = [UIAlertController alertControllerWithTitle:title message:msg preferredStyle:UIAlertControllerStyleAlert];
[alert addAction:[UIAlertAction actionWithTitle:[VectorL10n dismiss]
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
self->alert = nil;
}]];
[self presentViewController:alert animated:YES completion:nil];
// Handle specific error code here
if ([error.domain isEqualToString:NSURLErrorDomain])
{
// Check network reachability
if (error.code == NSURLErrorNotConnectedToInternet)
{
// Add reachability observer in order to launch a new request when network will be available
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onReachabilityStatusChange:) name:AFNetworkingReachabilityDidChangeNotification object:nil];
}
else if (error.code == kCFURLErrorTimedOut)
{
// Send a new request in 2 sec
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[self refreshAuthenticationSession];
});
}
else
{
// Remove the potential auth inputs view
self.authInputsView = nil;
}
}
else
{
// Remove the potential auth inputs view
self.authInputsView = nil;
}
if (!_authInputsView)
{
// Display failure reason
_noFlowLabel.hidden = NO;
_noFlowLabel.text = [error.userInfo valueForKey:NSLocalizedDescriptionKey];
if (!_noFlowLabel.text.length)
{
_noFlowLabel.text = [VectorL10n loginErrorNoLoginFlow];
}
[_retryButton setTitle:[VectorL10n retry] forState:UIControlStateNormal];
[_retryButton setTitle:[VectorL10n retry] forState:UIControlStateNormal];
_retryButton.hidden = NO;
}
}
- (void)onReachabilityStatusChange:(NSNotification *)notif
{
AFNetworkReachabilityManager *reachabilityManager = [AFNetworkReachabilityManager sharedManager];
AFNetworkReachabilityStatus status = reachabilityManager.networkReachabilityStatus;
if (status == AFNetworkReachabilityStatusReachableViaWiFi || status == AFNetworkReachabilityStatusReachableViaWWAN)
{
dispatch_async(dispatch_get_main_queue(), ^{
[self refreshAuthenticationSession];
});
}
else if (status == AFNetworkReachabilityStatusNotReachable)
{
_noFlowLabel.text = [VectorL10n networkErrorNotReachable];
}
}
#pragma mark - Keyboard handling
- (void)dismissKeyboard
{
// Hide the keyboard
[_authInputsView dismissKeyboard];
[_homeServerTextField resignFirstResponder];
[_identityServerTextField resignFirstResponder];
}
#pragma mark - UITextField delegate
- (void)onTextFieldChange:(NSNotification *)notif
{
_submitButton.enabled = _authInputsView.areAllRequiredFieldsSet;
if (notif.object == _homeServerTextField)
{
// If any, the current request is obsolete
[self cancelIdentityServerCheck];
[self setIdentityServerHidden:YES];
}
}
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
if (textField == _homeServerTextField)
{
// Cancel supported AuthFlow refresh if a request is in progress
[[NSNotificationCenter defaultCenter] removeObserver:self name:AFNetworkingReachabilityDidChangeNotification object:nil];
if (mxCurrentOperation)
{
// Cancel potential request in progress
[mxCurrentOperation cancel];
mxCurrentOperation = nil;
}
}
return YES;
}
- (void)textFieldDidEndEditing:(UITextField *)textField
{
if (textField == _homeServerTextField)
{
[self setHomeServerTextFieldText:textField.text];
}
else if (textField == _identityServerTextField)
{
[self setIdentityServerTextFieldText:textField.text];
}
}
- (BOOL)textFieldShouldReturn:(UITextField*)textField
{
if (textField.returnKeyType == UIReturnKeyDone)
{
// "Done" key has been pressed
[textField resignFirstResponder];
}
return YES;
}
#pragma mark - AuthInputsViewDelegate delegate
- (void)authInputsView:(MXKAuthInputsView*)authInputsView presentAlertController:(UIAlertController*)inputsAlert
{
[self dismissKeyboard];
[self presentViewController:inputsAlert animated:YES completion:nil];
}
- (void)authInputsViewDidPressDoneKey:(MXKAuthInputsView *)authInputsView
{
if (_submitButton.isEnabled)
{
// Launch authentication now
[self onButtonPressed:_submitButton];
}
}
- (MXRestClient *)authInputsViewThirdPartyIdValidationRestClient:(MXKAuthInputsView *)authInputsView
{
return mxRestClient;
}
- (MXIdentityService *)authInputsViewThirdPartyIdValidationIdentityService:(MXIdentityService *)authInputsView
{
return self.identityService;
}
#pragma mark - Authentication Fallback
- (void)showAuthenticationFallBackView
{
[self showAuthenticationFallBackView:authenticationFallback];
}
- (void)showAuthenticationFallBackView:(NSString*)fallbackPage
{
_authenticationScrollView.hidden = YES;
_authFallbackContentView.hidden = NO;
// Add a cancel button in case of navigation controller use.
if (self.navigationController)
{
if (!cancelFallbackBarButton)
{
cancelFallbackBarButton = [[UIBarButtonItem alloc] initWithTitle:[VectorL10n loginLeaveFallback] style:UIBarButtonItemStylePlain target:self action:@selector(hideRegistrationFallbackView)];
}
// Add cancel button in right bar items
NSArray *rightBarButtonItems = self.navigationItem.rightBarButtonItems;
self.navigationItem.rightBarButtonItems = rightBarButtonItems ? [rightBarButtonItems arrayByAddingObject:cancelFallbackBarButton] : @[cancelFallbackBarButton];
}
if (self.softLogoutCredentials)
{
// Add device_id as query param of the fallback
NSURLComponents *components = [[NSURLComponents alloc] initWithString:fallbackPage];
NSMutableArray<NSURLQueryItem*> *queryItems = [components.queryItems mutableCopy];
if (!queryItems)
{
queryItems = [NSMutableArray array];
}
[queryItems addObject:[NSURLQueryItem queryItemWithName:@"device_id"
value:self.softLogoutCredentials.deviceId]];
components.queryItems = queryItems;
fallbackPage = components.URL.absoluteString;
}
[_authFallbackWebView openFallbackPage:fallbackPage success:^(MXLoginResponse *loginResponse) {
MXCredentials *credentials = [[MXCredentials alloc] initWithLoginResponse:loginResponse andDefaultCredentials:self->mxRestClient.credentials];
// TODO handle unrecognized certificate (if any) during registration through fallback webview.
[self onSuccessfulLogin:credentials];
}];
}
- (void)hideRegistrationFallbackView
{
if (cancelFallbackBarButton)
{
NSMutableArray *rightBarButtonItems = [NSMutableArray arrayWithArray: self.navigationItem.rightBarButtonItems];
[rightBarButtonItems removeObject:cancelFallbackBarButton];
self.navigationItem.rightBarButtonItems = rightBarButtonItems;
}
[_authFallbackWebView stopLoading];
_authenticationScrollView.hidden = NO;
_authFallbackContentView.hidden = YES;
}
#pragma mark - KVO
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
if ([@"viewHeightConstraint.constant" isEqualToString:keyPath])
{
// Refresh the height of the auth inputs view container.
CGFloat previousInputsContainerViewHeight = _authInputContainerViewHeightConstraint.constant;
_authInputContainerViewHeightConstraint.constant = _authInputsView.viewHeightConstraint.constant;
// Force to render the view
[self.view layoutIfNeeded];
// Refresh content view height by considering the updated height of inputs container
_contentViewHeightConstraint.constant += (_authInputContainerViewHeightConstraint.constant - previousInputsContainerViewHeight);
}
else
{
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
}
@end