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* Adium is the legal property of its developers, whose names are listed in the copyright file included
* with this source distribution.
*
* This program 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 2 of the License,
* or (at your option) any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License along with this program; if not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#import "AdiumPasswords.h"
#import <Adium/AIAccountControllerProtocol.h>
#import <Adium/AILoginControllerProtocol.h>
#import <Adium/AIAccount.h>
#import <Adium/AIService.h>
#import <AIUtilities/AIKeychain.h>
#import <AIUtilities/AIObjectAdditions.h>
#import <AIUtilities/AIStringAdditions.h>
#import <objc/objc-runtime.h>
#import <libkern/OSAtomic.h>
#import "AISpecialPasswordPromptController.h"
#import "ESAccountPasswordPromptController.h"
#import "ESProxyPasswordPromptController.h"
#define KEY_PERFORMED_ACCOUNT_PASSWORD_UPGRADE @"Adium 1.3: Account Passwords Upgraded"
@interface AdiumPasswords ()
+ (NSOperationQueue *)operationQueue;
- (NSString *)_oldStyleAccountNameForAccount:(AIAccount *)inAccount;
- (NSString *)_passKeyForAccount:(AIAccount *)inAccount;
- (NSString *)_accountNameForAccount:(AIAccount *)inAccount;
- (NSString *)_accountNameForSpecialPassword:(AISpecialPasswordType)inType account:(AIAccount *)inAccount name:(NSString *)inName;
- (NSString *)_serverNameForAccount:(AIAccount *)inAccount;
- (NSString *)_accountNameForProxyServer:(NSString *)proxyServer userName:(NSString *)userName;
- (NSString *)_passKeyForProxyServer:(NSString *)proxyServer;
- (void)_upgradeAccountPasswordKeychainEntries;
@end
@implementation AdiumPasswords
/*!
* @brief Finish Initing
*
* Requires that all accounts have been loaded
*/
- (void)controllerDidLoad
{
[self _upgradeAccountPasswordKeychainEntries];
}
+ (NSOperationQueue *)operationQueue {
static OSSpinLock spinLock = OS_SPINLOCK_INIT;
static NSOperationQueue *passwordQueue = nil;
OSSpinLockLock(&spinLock);
if (!passwordQueue) {
passwordQueue = [[NSOperationQueue alloc] init];
if([passwordQueue respondsToSelector:@selector(setName:)]) {
[passwordQueue setName:@"AdiumPasswordsOperationQueue"];
}
}
OSSpinLockUnlock(&spinLock);
return passwordQueue;
}
//Accounts -------------------------------------------------------------------------------------------------------------
#pragma mark Accounts
/*!
* @brief Set the password of an account
*
* @param inPassword password to store
* @param inAccount account the password belongs to
*/
- (void)setPassword:(NSString *)inPassword forAccount:(AIAccount *)inAccount
{
NSError *error = nil;
[[AIKeychain defaultKeychain_error:&error] setInternetPassword:inPassword
forServer:[self _serverNameForAccount:inAccount]
account:[self _accountNameForAccount:inAccount]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't ignore it if we're trying to set the password, though (because that would be strange).
*we don't get here at all for noErr (error will be nil).
*/
if (inPassword || (err != errSecItemNotFound)) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not %@ password for account %@: %@ returned %i (%@)", inPassword ? @"set" : @"remove", [self _accountNameForAccount:inAccount], [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME], err, [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
}
/*!
* @brief Forget the password of an account
*
* @param inAccount account whose password should be forgotten
*/
- (void)forgetPasswordForAccount:(AIAccount *)inAccount
{
NSError *error = nil;
AIKeychain *keychain = [AIKeychain defaultKeychain_error:&error];
[keychain deleteInternetPasswordForServer:[self _serverNameForAccount:inAccount]
account:[self _accountNameForAccount:inAccount]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't get here at all for noErr (error will be nil).
*/
if (err != errSecItemNotFound) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not delete password for account %@: %@ returned %i (%@)", [self _accountNameForAccount:inAccount], [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME], err, [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
}
/*!
* @brief Retrieve the password of an account
*
* @param inAccount account whose password is desired
* @return account password, or nil if the password is not available
*/
- (NSString *)passwordForAccount:(AIAccount *)inAccount
{
NSError *error = nil;
AIKeychain *keychain = [AIKeychain defaultKeychain_error:&error];
NSString *password = [keychain internetPasswordForServer:[self _serverNameForAccount:inAccount]
account:[self _accountNameForAccount:inAccount]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't get here at all for noErr (error will be nil).
*/
if (err != errSecItemNotFound) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not retrieve password for account %@: %@ returned %i (%@)", [self _accountNameForAccount:inAccount], [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME], err, [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
return password;
}
- (void)retrievedPassword:(NSDictionary *)requestDict
{
NSString *password = [requestDict objectForKey:@"Password"];
AIAccount *account = [requestDict objectForKey:@"Account"];
AIPromptOption promptOption = [[requestDict objectForKey:@"AIPromptOption"] integerValue];
id target = [requestDict objectForKey:@"Target"];
SEL selector = NSSelectorFromString([requestDict objectForKey:@"Selector"]);
id context = [requestDict objectForKey:@"Context"];
BOOL shouldPrompt = YES;
switch (promptOption)
{
case AIPromptAlways:
shouldPrompt = YES;
break;
case AIPromptAsNeeded:
{
if (password && [password length])
shouldPrompt = NO;
else
shouldPrompt = YES;
break;
}
case AIPromptNever:
shouldPrompt = NO;
break;
}
if (shouldPrompt) {
//Prompt the user for their password
[ESAccountPasswordPromptController showPasswordPromptForAccount:account
password:password
notifyingTarget:target
selector:selector
context:context];
} else {
//Invoke the target right away
void (*targetMethodSender)(id, SEL, id, AIPasswordPromptReturn, id) = (void (*)(id, SEL, id, AIPasswordPromptReturn, id)) objc_msgSend;
targetMethodSender(target, selector, password, AIPasswordPromptOKReturn, context);
}
}
- (void)threadedPasswordRetrieval:(NSMutableDictionary *)requestDict
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSString *password = [self passwordForAccount:[requestDict objectForKey:@"Account"]];
if (password)
[requestDict setObject:password forKey:@"Password"];
[self performSelectorOnMainThread:@selector(retrievedPassword:)
withObject:requestDict
waitUntilDone:NO];
[pool release];
}
/*!
* @brief Retrieve the password of an account, prompting the user if necessary
*
* @param inAccount account whose password is desired
* @param promptOption An AIPromptOption determining whether and how a prompt for the password should be displayed if it is needed. This allows forcing or suppressing of the prompt dialogue.
* @param inTarget target to notify when password is available
* @param inSelector selector to notify when password is available
* @param inContext context passed to target
*/
- (void)passwordForAccount:(AIAccount *)inAccount promptOption:(AIPromptOption)promptOption notifyingTarget:(id)inTarget selector:(SEL)inSelector context:(id)inContext
{
[[AdiumPasswords operationQueue] addOperation:[[[NSInvocationOperation alloc]
initWithTarget:self
selector:@selector(threadedPasswordRetrieval:)
object:[NSMutableDictionary dictionaryWithObjectsAndKeys:
inAccount, @"Account",
[NSNumber numberWithInteger:promptOption], @"AIPromptOption",
inTarget, @"Target",
NSStringFromSelector(inSelector), @"Selector",
inContext, @"Context" /* may be nil so should be last */,
nil]]
autorelease]];
}
//Proxy Servers --------------------------------------------------------------------------------------------------------
#pragma mark Proxy Servers
/*!
* @brief Set the password for a proxy server
*
* @param inPassword password to store
* @param server proxy server name
* @param userName proxy server user name
*
* XXX - This is inconsistent. Above we have a separate forget method, here we forget when nil is passed...
*/
- (void)setPassword:(NSString *)inPassword forProxyServer:(NSString *)server userName:(NSString *)userName
{
NSError *error = nil;
[[AIKeychain defaultKeychain_error:&error] setInternetPassword:inPassword
forServer:[self _passKeyForProxyServer:server]
account:[self _accountNameForProxyServer:server
userName:userName]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't ignore it if we're trying to set the password, though (because that would be strange).
*we don't get here at all for noErr (error will be nil).
*/
if (inPassword || (err != errSecItemNotFound)) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not %@ password for proxy server %@: %@ returned %i (%@)",
inPassword ? @"set" : @"remove",
[self _accountNameForProxyServer:server
userName:userName],
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME],
err,
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
}
/*!
* @brief Retrieve the password for a proxy server
*
* @param server proxy server name
* @param userName proxy server user name
* @return proxy server password, or nil if the password is not available
*/
- (NSString *)passwordForProxyServer:(NSString *)server userName:(NSString *)userName
{
NSError *error = nil;
AIKeychain *keychain = [AIKeychain defaultKeychain_error:&error];
NSString *password = [keychain internetPasswordForServer:[self _passKeyForProxyServer:server]
account:[self _accountNameForProxyServer:server
userName:userName]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't get here at all for noErr (error will be nil).
*/
if (err != errSecItemNotFound) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not retrieve password for proxy server %@: %@ returned %i (%@)",
[self _accountNameForProxyServer:server
userName:userName],
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME],
err,
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
return password;
}
/*!
* @brief Retrieve the password for a proxy server, prompting the user if necessary
*
* @param server proxy server name
* @param userName proxy server user name
* @param inTarget target to notify when password is available
* @param inSelector selector to notify when password is available
* @param inContext context passed to target
*/
- (void)passwordForProxyServer:(NSString *)server userName:(NSString *)userName notifyingTarget:(id)inTarget selector:(SEL)inSelector context:(id)inContext
{
NSString *password = [self passwordForProxyServer:server userName:userName];
if (password && [password length] != 0) {
//Invoke the target right away
void (*targetMethodSender)(id, SEL, id, AIPasswordPromptReturn, id) = (void (*)(id, SEL, id, AIPasswordPromptReturn, id)) objc_msgSend;
targetMethodSender(inTarget, inSelector, password, AIPasswordPromptOKReturn, inContext);
} else {
//Prompt the user for their password
[ESProxyPasswordPromptController showPasswordPromptForProxyServer:server
userName:userName
notifyingTarget:inTarget
selector:inSelector
context:inContext];
}
}
#pragma mark Special passwords
- (void)setPassword:(NSString *)inPassword forType:(AISpecialPasswordType)inType forAccount:(AIAccount *)inAccount name:(NSString *)inName
{
NSError *error = nil;
[[AIKeychain defaultKeychain_error:&error] setInternetPassword:inPassword
forServer:[self _serverNameForAccount:inAccount]
account:[self _accountNameForSpecialPassword:inType account:inAccount name:inName.lowercaseString]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't ignore it if we're trying to set the password, though (because that would be strange).
*we don't get here at all for noErr (error will be nil).
*/
if (inPassword || (err != errSecItemNotFound)) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not %@ password for special password %@: %@ returned %i (%@)",
inPassword ? @"set" : @"remove",
[self _accountNameForSpecialPassword:inType account:inAccount name:inName],
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME],
err,
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
}
- (NSString *)passwordForType:(AISpecialPasswordType)inType forAccount:(AIAccount *)inAccount name:(NSString *)inName
{
NSError *error = nil;
AIKeychain *keychain = [AIKeychain defaultKeychain_error:&error];
NSString *password = [keychain internetPasswordForServer:[self _serverNameForAccount:inAccount]
account:[self _accountNameForSpecialPassword:inType account:inAccount name:inName.lowercaseString]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't get here at all for noErr (error will be nil).
*/
if (err != errSecItemNotFound) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not retrieve password for special password %@: %@ returned %i (%@)",
[self _accountNameForSpecialPassword:inType account:inAccount name:inName],
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME],
err,
[userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
return password;
}
- (void)passwordForType:(AISpecialPasswordType)inType forAccount:(AIAccount *)inAccount promptOption:(AIPromptOption)inOption name:(NSString *)inName notifyingTarget:(id)inTarget selector:(SEL)inSelector context:(id)inContext
{
NSString *password = [self passwordForType:inType forAccount:inAccount name:inName.lowercaseString];
if (inOption != AIPromptAlways && password && [password length] != 0) {
//Invoke the target right away
void (*targetMethodSender)(id, SEL, id, AIPasswordPromptReturn, id) = (void (*)(id, SEL, id, AIPasswordPromptReturn, id)) objc_msgSend;
targetMethodSender(inTarget, inSelector, password, AIPasswordPromptOKReturn, inContext);
} else {
//Prompt the user for their password
[AISpecialPasswordPromptController showPasswordPromptForType:inType
account:inAccount
name:inName
password:password
notifyingTarget:inTarget
selector:inSelector
context:inContext];
}
}
//Password Keys --------------------------------------------------------------------------------------------------------
#pragma mark Password Keys
/*!
* @brief Old-style Keychain identifier for an account
*/
- (NSString *)_oldStyleAccountNameForAccount:(AIAccount *)inAccount{
return [NSString stringWithFormat:@"%@.%@", inAccount.service.serviceID, inAccount.internalObjectID];
}
- (NSString *)_passKeyForAccount:(AIAccount *)inAccount{
if ([[adium.loginController userArray] count] > 1) {
return [NSString stringWithFormat:@"Adium.%@.%@", adium.loginController.currentUser, [self _oldStyleAccountNameForAccount:inAccount]];
} else {
return [NSString stringWithFormat:@"Adium.%@",[self _oldStyleAccountNameForAccount:inAccount]];
}
}
/*!
* @brief New-style Keychain identifier for an account
*/
- (NSString *)_accountNameForAccount:(AIAccount *)inAccount {
if (inAccount.useInternalObjectIDForPasswordName) {
return [NSString stringWithFormat:@"%@.%@", inAccount.service.serviceID, inAccount.internalObjectID];
} else {
return [inAccount.UID compactedString];
}
}
- (NSString *)_serverNameForAccount:(AIAccount *)inAccount {
if(inAccount.useHostForPasswordServerName) {
return [NSString stringWithFormat:@"%@.%@", inAccount.service.serviceID, inAccount.host];
} else {
return [NSString stringWithFormat:@"%@.%@", inAccount.service.serviceID, [self _accountNameForAccount:inAccount]];
}
}
/*!
* @brief Special password name
*/
- (NSString *)_accountNameForSpecialPassword:(AISpecialPasswordType)inType account:(AIAccount *)inAccount name:(NSString *)inName
{
return [NSString stringWithFormat:@"%@.%d.%@", [self _accountNameForAccount:inAccount], inType, inName];
}
/*!
* @brief Keychain identifier for a proxy server
*/
- (NSString *)_accountNameForProxyServer:(NSString *)proxyServer userName:(NSString *)userName{
return [NSString stringWithFormat:@"%@.%@",proxyServer,userName];
}
- (NSString *)_passKeyForProxyServer:(NSString *)proxyServer{
if ([[adium.loginController userArray] count] > 1) {
return [NSString stringWithFormat:@"Adium.%@.%@",[adium.loginController currentUser],proxyServer];
} else {
return [NSString stringWithFormat:@"Adium.%@",proxyServer];
}
}
#pragma mark Upgrade code
/*!
* @brief Changes the naming of the Keychain password entries from AdIM://Adium.{Service ID}.{Account internalObjectID} to AdIM://{Service ID}.{Account UID}.
*/
- (void)_upgradeAccountPasswordKeychainEntries
{
if (![[NSUserDefaults standardUserDefaults] boolForKey:KEY_PERFORMED_ACCOUNT_PASSWORD_UPGRADE]) {
NSError *error;
AIKeychain *keychain = [AIKeychain defaultKeychain_error:&error];
for (AIAccount *account in adium.accountController.accounts) {
NSString *password = [keychain internetPasswordForServer:[self _passKeyForAccount:account]
account:[self _oldStyleAccountNameForAccount:account]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
if (err != errSecItemNotFound) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not retrieve password for account %@: %@ returned %i (%@)", [self _oldStyleAccountNameForAccount:account], [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME], err, [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
} else {
[self setPassword:password forAccount:account];
// Delete old keychain entry
[keychain deleteInternetPasswordForServer:[self _passKeyForAccount:account]
account:[self _oldStyleAccountNameForAccount:account]
protocol:FOUR_CHAR_CODE('AdIM')
error:&error];
if (error) {
OSStatus err = [error code];
/*errSecItemNotFound: no entry in the keychain. a harmless error.
*we don't get here at all for noErr (error will be nil).
*/
if (err != errSecItemNotFound) {
NSDictionary *userInfo = [error userInfo];
NSLog(@"could not delete password for account %@: %@ returned %i (%@)", [self _oldStyleAccountNameForAccount:account], [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_SECURITYFUNCTIONNAME], err, [userInfo objectForKey:AIKEYCHAIN_ERROR_USERINFO_ERRORDESCRIPTION]);
}
}
}
}
[[NSUserDefaults standardUserDefaults] setBool:YES
forKey:KEY_PERFORMED_ACCOUNT_PASSWORD_UPGRADE];
}
}
@end
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