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MasterPassword/platform-darwin/Source/iOS/MPEmergencyViewController.m

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//==============================================================================
// This file is part of Master Password.
// Copyright (c) 2011-2017, Maarten Billemont.
//
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// Master Password is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
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// Master Password is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
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// You can find a copy of the GNU General Public License in the
// LICENSE file. Alternatively, see <http://www.gnu.org/licenses/>.
//==============================================================================
#import "MPEmergencyViewController.h"
#import "MPEntities.h"
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@implementation MPEmergencyViewController {
MPKey *_key;
NSOperationQueue *_emergencyKeyQueue;
NSOperationQueue *_emergencyPasswordQueue;
}
- (void)viewDidLoad {
[super viewDidLoad];
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[_emergencyKeyQueue = [NSOperationQueue new] setMaxConcurrentOperationCount:1];
[_emergencyPasswordQueue = [NSOperationQueue new] setMaxConcurrentOperationCount:1];
self.view.backgroundColor = [UIColor clearColor];
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self.dialogView.layer.cornerRadius = 5;
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self reset];
PearlAddNotificationObserver( UIApplicationWillResignActiveNotification, nil, [NSOperationQueue mainQueue],
^(MPEmergencyViewController *self, NSNotification *note) {
[self performSegueWithIdentifier:@"unwind-popover" sender:self];
} );
[self.scrollView automaticallyAdjustInsetsForKeyboard];
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}
- (void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];
PearlRemoveNotificationObservers();
PearlRemoveNotificationObserversFrom( self.scrollView );
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[self reset];
}
- (UIStatusBarStyle)preferredStatusBarStyle {
return UIStatusBarStyleLightContent;
}
#pragma mark - UITextFieldDelegate
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];
return YES;
}
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#pragma mark - Actions
- (IBAction)controlChanged:(UIControl *)control {
if (control == self.fullNameField || control == self.masterPasswordField)
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[self updateKey];
else
[self updatePassword];
}
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- (IBAction)copyPassword:(UITapGestureRecognizer *)recognizer {
if (recognizer.state == UIGestureRecognizerStateEnded) {
NSString *sitePassword = self.passwordLabel.text;
if ([sitePassword length]) {
[UIPasteboard generalPasteboard].string = sitePassword;
[UIView animateWithDuration:0.3f animations:^{
self.tipContainer.alpha = 1;
} completion:^(BOOL finished) {
if (finished)
PearlMainQueueAfter( 3, ^{
self.tipContainer.alpha = 0;
} );
}];
}
}
}
#pragma mark - Private
- (void)updateKey {
NSString *fullName = self.fullNameField.text;
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NSString *masterPassword = self.masterPasswordField.text;
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self.passwordLabel.text = nil;
[self.activity startAnimating];
[_emergencyKeyQueue cancelAllOperations];
[_emergencyKeyQueue addOperationWithBlock:^{
if ([masterPassword length] && [fullName length])
_key = [[MPKey alloc] initForFullName:fullName withMasterPassword:masterPassword];
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else
_key = nil;
PearlMainQueue( ^{
[self updatePassword];
} );
}];
}
- (void)updatePassword {
NSString *siteName = self.siteField.text;
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MPSiteType siteType = [self siteType];
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NSUInteger siteCounter = (NSUInteger)self.counterStepper.value;
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self.counterLabel.text = strf( @"%lu", (unsigned long)siteCounter );
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self.passwordLabel.text = nil;
[self.activity startAnimating];
[_emergencyPasswordQueue cancelAllOperations];
[_emergencyPasswordQueue addOperationWithBlock:^{
NSString *sitePassword = nil;
if (_key && [siteName length])
sitePassword = [MPAlgorithmDefault generatePasswordForSiteNamed:siteName ofType:siteType withCounter:siteCounter usingKey:_key];
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PearlMainQueue( ^{
[self.activity stopAnimating];
self.passwordLabel.text = sitePassword;
} );
}];
}
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- (enum MPSiteType)siteType {
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switch (self.typeControl.selectedSegmentIndex) {
case 0:
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return MPSiteTypeGeneratedMaximum;
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case 1:
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return MPSiteTypeGeneratedLong;
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case 2:
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return MPSiteTypeGeneratedMedium;
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case 3:
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return MPSiteTypeGeneratedBasic;
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case 4:
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return MPSiteTypeGeneratedShort;
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case 5:
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return MPSiteTypeGeneratedPIN;
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default:
Throw( @"Unsupported type index: %ld", (long)self.typeControl.selectedSegmentIndex );
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}
}
- (void)reset {
self.fullNameField.text = nil;
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self.masterPasswordField.text = nil;
self.siteField.text = nil;
self.counterStepper.value = 1;
self.typeControl.selectedSegmentIndex = 1;
[self updateKey];
}
@end