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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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@interface MPEmergencyViewController()
@property(nonatomic, strong) MPKey *key;
@property(nonatomic, strong) NSOperationQueue *emergencyKeyQueue;
@property(nonatomic, strong) NSOperationQueue *emergencyPasswordQueue;
@end
@implementation MPEmergencyViewController
- (void)viewDidLoad {
[super viewDidLoad];
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[self.emergencyKeyQueue = [NSOperationQueue new] setMaxConcurrentOperationCount:1];
[self.emergencyPasswordQueue = [NSOperationQueue new] setMaxConcurrentOperationCount:1];
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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];
}
- (IBAction)copyPassword:(id)sender {
NSString *sitePassword = [self.passwordButton titleForState:UIControlStateNormal];
if (![sitePassword length])
return;
UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
if ([pasteboard respondsToSelector:@selector( setItems:options: )])
[pasteboard setItems:@[ @{ UIPasteboardTypeAutomatic: sitePassword } ]
options:@{
UIPasteboardOptionLocalOnly : @NO,
UIPasteboardOptionExpirationDate: [NSDate dateWithTimeIntervalSinceNow:3 * 60]
}];
else
pasteboard.string = sitePassword;
[UIView animateWithDuration:0.3f animations:^{
self.tipContainer.visible = YES;
} completion:^(BOOL finished) {
PearlMainQueueAfter( 3, ^{
[UIView animateWithDuration:0.3f animations:^{
self.tipContainer.visible = NO;
}];
} );
}];
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}
#pragma mark - Private
- (void)updateKey {
NSString *fullName = self.fullNameField.text;
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NSString *masterPassword = self.masterPasswordField.text;
[self.passwordButton setTitle:nil forState:UIControlStateNormal];
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[self.activity startAnimating];
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[self.emergencyKeyQueue cancelAllOperations];
[self.emergencyKeyQueue addOperationWithBlock:^{
if ([masterPassword length] && [fullName length])
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self.key = [[MPKey alloc] initForFullName:fullName withMasterPassword:masterPassword];
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else
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self.key = nil;
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PearlMainQueue( ^{
[self updatePassword];
} );
}];
}
- (void)updatePassword {
NSString *siteName = self.siteField.text;
MPResultType 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.passwordButton setTitle:nil forState:UIControlStateNormal];
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[self.activity startAnimating];
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[self.emergencyPasswordQueue cancelAllOperations];
[self.emergencyPasswordQueue addOperationWithBlock:^{
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NSString *sitePassword = nil;
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if (self.key && [siteName length])
sitePassword = [MPAlgorithmDefault mpwTemplateForSiteNamed:siteName ofType:siteType withCounter:siteCounter
usingKey:self.key];
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PearlMainQueue( ^{
[self.activity stopAnimating];
[self.passwordButton setTitle:sitePassword forState:UIControlStateNormal];
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} );
}];
}
- (MPResultType)siteType {
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switch (self.typeControl.selectedSegmentIndex) {
case 0:
return MPResultTypeTemplateMaximum;
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case 1:
return MPResultTypeTemplateLong;
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case 2:
return MPResultTypeTemplateMedium;
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case 3:
return MPResultTypeTemplateBasic;
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case 4:
return MPResultTypeTemplateShort;
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case 5:
return MPResultTypeTemplatePIN;
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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