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GPGToolsPrefController.m
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GPGToolsPrefController.m
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//
// UpdateButton.m
// GPGTools
//
// Created by Alexander Willner on 04.08.10.
// Edited by Roman Zechmeister 11.07.2011
// Copyright 2010 GPGTools Project Team. All rights reserved.
//
#import "GPGToolsPrefController.h"
#import <Security/Security.h>
#import <Security/SecItem.h>
#import <Sparkle/Sparkle.h>
#define GPG_SERVICE_NAME "GnuPG"
static NSString * const kKeyserver = @"keyserver";
static NSString * const kAutoKeyLocate = @"auto-key-locate";
static NSString * const kDefaultKey = @"default-key";
static NSString * const kIndexOfSelectedSecretKey = @"indexOfSelectedSecretKey";
@interface GPGToolsPrefController()
@property (retain) SUUpdater *updater;
@end
@implementation GPGToolsPrefController
@synthesize updater;
@synthesize options=options;
- (id)init {
if (!(self = [super init])) {
return nil;
}
secretKeysLock = [[NSLock alloc] init];
gpgc = [GPGController new];
gpgc.delegate = self;
options = [[GPGOptions sharedOptions] retain];
[options addObserver:self forKeyPath:kKeyserver options:NSKeyValueObservingOptionNew context:nil];
[options addObserver:self forKeyPath:kDefaultKey options:NSKeyValueObservingOptionNew context:nil];
self.updater = [SUUpdater updaterForBundle:[NSBundle bundleForClass:[self class]]];
//updater.delegate = self;
//[updater resetUpdateCycle];
return self;
}
- (void)dealloc {
[gpgc release];
[secretKeysLock release];
[options removeObserver:self forKeyPath:kKeyserver];
[options removeObserver:self forKeyPath:kDefaultKey];
[options release];
self.updater = nil;
[super dealloc];
}
/*- (NSString *)pathToRelaunchForUpdater:(SUUpdater *)updater {
return @"/Applications/Mail.app";
}*/
+ (NSSet *)keyPathsForValuesAffectingValueForKey:(NSString *)key {
NSSet *mySet = nil;
NSSet *keysAffectedBySecretKeys = [NSSet setWithObjects:@"secretKeyDescriptions", kIndexOfSelectedSecretKey, nil];
if ([keysAffectedBySecretKeys containsObject:key]) {
mySet = [NSSet setWithObject:@"secretKeys"];
}
NSSet *superSet = [super keyPathsForValuesAffectingValueForKey:key];
return [superSet setByAddingObjectsFromSet:mySet];
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
if ([kKeyserver isEqualToString:keyPath]) {
[self willChangeValueForKey:kKeyserver];
[self didChangeValueForKey:kKeyserver];
}
else if ([kDefaultKey isEqualToString:keyPath]) {
[self willChangeValueForKey:kIndexOfSelectedSecretKey];
[self didChangeValueForKey:kIndexOfSelectedSecretKey];
}
}
/*
* Delete stored passphrases from the Mac OS X keychain.
*/
- (IBAction)deletePassphrases:(id)sender {
@try {
[options gpgAgentFlush];
NSDictionary *query = [NSDictionary dictionaryWithObjectsAndKeys:@"genp", kSecClass, kSecMatchLimitAll, kSecMatchLimit, kCFBooleanTrue, kSecReturnRef, kCFBooleanTrue, kSecReturnAttributes, @"GnuPG", kSecAttrService, nil];
NSArray *result = nil;
OSStatus status = SecItemCopyMatching((CFDictionaryRef)query, (CFTypeRef *)&result);
NSCharacterSet *nonHexCharSet = [[NSCharacterSet characterSetWithCharactersInString:@"0123456789abcdefABCDEF"] invertedSet];
if (status == noErr) {
for (NSDictionary *item in result) {
if (![[item objectForKey:kSecAttrService] isEqualToString:@"GnuPG"]) {
continue;
}
NSString *fingerprint = [item objectForKey:kSecAttrAccount];
if ([fingerprint length] < 8 || [fingerprint length] > 40) {
continue;
}
if ([fingerprint rangeOfCharacterFromSet:nonHexCharSet].length > 0) {
continue;
}
status = SecKeychainItemDelete((SecKeychainItemRef)[item objectForKey:kSecValueRef]);
if (status) {
NSLog(@"ERROR %i: %@", status, SecCopyErrorMessageString(status, nil));
}
}
}
[result release];
} @catch (NSException *exception) {
NSLog(@"deletePassphrases failed: %@", exception);
}
}
/*
* Get and set the PassphraseCacheTime, with a dafault value of 600.
*/
- (NSInteger)passphraseCacheTime {
NSNumber *value = [options valueForKey:@"PassphraseCacheTime"];
if (!value) {
[self setPassphraseCacheTime:600];
return 600;
}
return [value integerValue];
}
- (void)setPassphraseCacheTime:(NSInteger)value {
[options setValue:[NSNumber numberWithInteger:value] forKey:@"PassphraseCacheTime"];
}
/*
* Handle external key changes.
*/
- (void)gpgController:(GPGController *)gpgc keysDidChanged:(NSObject<EnumerationList> *)keys external:(BOOL)external {
[self willChangeValueForKey:@"secretKeys"];
[secretKeysLock lock];
[secretKeys release];
secretKeys = nil;
[secretKeysLock unlock];
[self didChangeValueForKey:@"secretKeys"];
}
/*
* Returns all usable secret keys.
*/
- (NSArray *)secretKeys {
[secretKeysLock lock];
if (!secretKeys) {
secretKeys = [[[[gpgc allSecretKeys] usableGPGKeys] allObjects] retain];
}
NSArray *value = [[secretKeys retain] autorelease];
[secretKeysLock unlock];
return value;
}
/*
* Displays a simple sheet.
*/
- (void)simpleSheetWithTitle:(NSString *)title informativeText:(NSString *)informativeText {
NSAlert *alert = [NSAlert alertWithMessageText:title defaultButton:nil alternateButton:nil otherButton:nil informativeTextWithFormat:@"%@", informativeText];
[alert setIcon:[[NSImage alloc] initWithContentsOfFile:[self.myBundle pathForImageResource:@"GPGTools"]]];
[alert beginSheetModalForWindow:[NSApp mainWindow] modalDelegate:nil didEndSelector:nil contextInfo:nil];
}
/*
* The NSBundle for GPGPreferences.prefPane.
*/
- (NSBundle *)myBundle {
if (!myBundle) {
myBundle = [NSBundle bundleForClass:[self class]];
}
return myBundle;
}
/*
* Remove GPGMail plug-in.
*
* @todo Is there a method that returns the bundle path?
*/
- (IBAction)gpgmailRemove:(id)sender {
NSFileManager *fileManager = [NSFileManager defaultManager];
NSString *path;
path = [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Mail/Bundles/GPGMail.mailbundle"];
NSLog(@"Removing '%@'...", path);
[fileManager removeItemAtPath: path error:NULL];
path = [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Preferences/org.gpgmail.plist"];
NSLog(@"Removing '%@'...", path);
[fileManager removeItemAtPath: path error:NULL];
[self simpleSheetWithTitle:@"GPGMail removed" informativeText:@"GPGMail removed."];
}
/*
* Fix GPGTools.
*
* @todo Do not use shell script, implement it using objective-c instead
*/
- (IBAction)gpgFix:(id)sender {
NSString *path = [self.myBundle pathForResource:@"gpgtools-autofix" ofType:@"sh"];
NSLog(@"Starting '%@'...", path);
NSTask *task=[[NSTask alloc] init];
NSPipe *pipe = [NSPipe pipe];
NSFileHandle *file = [pipe fileHandleForReading];
[task setStandardOutput:pipe];
[task setLaunchPath:path];
[task launch];
[task waitUntilExit];
NSData *data = [file readDataToEndOfFile];
NSString *result = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
[self simpleSheetWithTitle:@"GPGTools fix result:" informativeText:result];
}
/*
* Open FAQ.
*
*/
- (IBAction)openFAQ:(id)sender {
[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"http://gpgtools.org/faq.html"]];
}
/*
* Open Contact.
*
*/
- (IBAction)openContact:(id)sender {
[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"http://gpgtools.org/about.html"]];
}
/*
* Open Donate.
*
*/
- (IBAction)openDonate:(id)sender {
[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"http://gpgtools.org/donate.html"]];
}
/*
* Give the credits from Credits.rtf.
*/
- (NSAttributedString *)credits {
return [[[NSAttributedString alloc] initWithPath:[self.myBundle pathForResource:@"Credits" ofType:@"rtf"] documentAttributes:nil] autorelease];
}
/*
* Returns the bundle version.
*/
- (NSString *)bundleVersion {
return [self.myBundle objectForInfoDictionaryKey:@"CFBundleVersion"];
}
/*
* Array of readable descriptions of the secret keys.
*/
- (NSArray *)secretKeyDescriptions {
NSArray *keys = self.secretKeys;
NSMutableArray *decriptions = [NSMutableArray arrayWithCapacity:[keys count]];
for (GPGKey *key in keys) {
[decriptions addObject:[NSString stringWithFormat:@"%@ – %@", key.userID, key.shortKeyID]];
}
return decriptions;
}
/*
* Index of the default key.
*/
- (NSInteger)indexOfSelectedSecretKey {
NSString *defaultKey = [options valueForKey:kDefaultKey];
if ([defaultKey length] == 0) {
return -1;
}
NSArray *keys = self.secretKeys;
NSInteger i, count = [keys count];
for (i = 0; i < count; i++) {
GPGKey *key = [keys objectAtIndex:i];
if ([key.textForFilter rangeOfString:defaultKey options:NSCaseInsensitiveSearch].length > 0) {
return i;
}
}
return -1;
}
- (void)setIndexOfSelectedSecretKey:(NSInteger)index {
NSArray *keys = self.secretKeys;
if (index < [keys count] && index >= 0) {
[options setValue:[[keys objectAtIndex:index] fingerprint] forKey:kDefaultKey];
}
else if (index == -1) {
[options setValue:nil forKey:kDefaultKey];
}
}
- (IBAction)unsetDefaultKey:(id)sender {
[self setIndexOfSelectedSecretKey:-1];
}
- (NSArray*)keyservers {
return [options keyservers];
}
- (NSString*)keyserver {
return [options valueForKey:kKeyserver];
}
- (void)setKeyserver:(NSString *)keyserver {
[options setValue:keyserver forKey:kKeyserver];
NSArray *autoklOptions = [options valueForKey:kAutoKeyLocate];
if (!autoklOptions || ![autoklOptions containsObject:kKeyserver]) {
NSMutableArray *newOptions = [NSMutableArray array];
if (autoklOptions)
[newOptions addObjectsFromArray:autoklOptions];
[newOptions insertObject:kKeyserver atIndex:0];
[options setValue:newOptions forKey:kAutoKeyLocate];
}
}
@end