ChatSecure-iOS/ChatSecureCore/Classes/View Controllers/OTRCertificatesViewControll...

121 lines
4.0 KiB
Objective-C

//
// OTRCertificatesViewController.m
// Off the Record
//
// Created by David Chiles on 12/9/13.
// Copyright (c) 2013 Chris Ballinger. All rights reserved.
//
#import "OTRCertificatesViewController.h"
#import "OTRCertificatePinning.h"
@interface OTRCertificatesViewController ()
@end
@implementation OTRCertificatesViewController
{
NSDictionary * certificatesDictionary;
NSArray * certificateHashes;
NSString * hostname;
}
- (id)initWithHostName:(NSString *)newHostname withCertificates:(NSArray *)certificates {
if (self = [self init]) {
self.title = newHostname;
hostname = newHostname;
self.canEdit = YES;
[self reloadCerts:certificates];
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
if (self.canEdit) {
UIBarButtonItem * editButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemEdit target:self action:@selector(toggleEditing:)];
self.navigationItem.rightBarButtonItem = editButton;
}
}
- (void)reloadCerts:(NSArray *)newCerts {
if (![newCerts count]) {
newCerts = [OTRCertificatePinning storedCertificatesWithHostName:hostname];
}
NSMutableArray * tempHashes = [NSMutableArray array];
NSMutableDictionary * tempDict = [NSMutableDictionary dictionary];
[newCerts enumerateObjectsUsingBlock:^(NSData * certData, NSUInteger idx, BOOL *stop) {
NSString * fingerPrint = [OTRCertificatePinning sha256FingerprintForCertificate:[OTRCertificatePinning certForData:certData]];
[tempHashes addObject:fingerPrint];
tempDict[fingerPrint] = certData;
}];
certificateHashes = tempHashes;
certificatesDictionary = tempDict;
}
- (void)toggleEditing:(id)sender
{
UIBarButtonItem * editButton;
if (self.tableView.editing) {
[self.tableView setEditing:NO animated:YES];
editButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemEdit target:self action:@selector(toggleEditing:)];
}
else{
[self.tableView setEditing:YES animated:YES];
editButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(toggleEditing:)];
}
self.navigationItem.rightBarButtonItem = editButton;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return [certificateHashes count];
}
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (self.canEdit) {
return UITableViewCellEditingStyleDelete;
}
return UITableViewCellEditingStyleNone;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString * tableViewCellIdentifier = @"tableViewCellIdentifier";
UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier:tableViewCellIdentifier];
if (!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:tableViewCellIdentifier];
}
cell.textLabel.text = [certificateHashes[indexPath.row] stringByReplacingOccurrencesOfString:@" " withString:@":"];
cell.textLabel.font = [UIFont systemFontOfSize:10.0];
cell.detailTextLabel.text = NSLocalizedString(@"SHA256", @"");
cell.selectionStyle = UITableViewCellSelectionStyleNone;
return cell;
}
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath
{
if (editingStyle == UITableViewCellEditingStyleDelete) {
[OTRCertificatePinning deleteCertificate:[OTRCertificatePinning certForData:certificatesDictionary[certificateHashes[indexPath.row]]] withHostName:hostname];
}
[self reloadCerts:nil];
[tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];
}
@end