NameAndPasswordPlugin.m

/*

File: NameAndPasswordPlugin.m

Abstract: SFAuthorizationPluginView subclass

Version: 1.1 improved by skycocker

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*/

#import "NameAndPasswordPlugin.h"
#import <Security/AuthorizationTags.h>


@implementation EXNameAndPassword


- (void)buttonPressed:(SFButtonType)inButtonType
{
    NSString *userNameString;
    NSString *passwordString;
    
    // check which type of view was asked for
    if (mUseIPView)
    {
        // it was the Identity and Credentials view so use the name field to get the user's identity
        userNameString = [mNameTextField stringValue];
        passwordString = [mIPPasswordSecureTextField stringValue];
    }
    else
    {
        // it was just the Credentials view so use the existing user name
        userNameString = mUserName;
        passwordString = [mPPasswordSecureTextField stringValue];
    }
    
    // if the OK button was pressed, write the identity and credentials and allow authorization,
    // otherwise, if the cancel button was pressed, cancel the authorization
    
    if (inButtonType == SFButtonTypeOK)
    {
        const char *userName = [userNameString UTF8String];
        const char *password = [passwordString UTF8String];
        
        AuthorizationValue userNameValue = { strlen(userName) + 1, (char*)userName };
        AuthorizationValue userPasswordValue = { strlen(password) + 1, (char*)password };
        
        // add the username and password to the context values
        [self callbacks]->SetContextValue([self engineRef], kAuthorizationEnvironmentUsername, 1, &userNameValue);
        [self callbacks]->SetContextValue([self engineRef], kAuthorizationEnvironmentPassword, 1, &userPasswordValue);
        
        // allow authorization
        [self callbacks]->SetResult([self engineRef], kAuthorizationResultAllow);
    }
    else if (inButtonType == SFButtonTypeCancel)
    {
        // cancel authorization
        [self callbacks]->SetResult([self engineRef], kAuthorizationResultUserCanceled); 
    }
}

- (NSView *)firstKeyView
{
	// return the appropriate view depending on whether or not identity and credentials
	// or just credentials are being asked for
	if (mUseIPView)
		return mNameTextField;
	else
		return mPPasswordSecureTextField;
}

- (NSView *)firstResponderView
{
	NSView					*view;
	
	// return the appropriate view depending on whether or not identity and credentials
	// or just credentials are being asked for
	if (mUseIPView)
	{
		// if the name field doesn't already has a user name, then return the name text field view
		// otherwise, return the password secure text field
		if ([[mNameTextField stringValue] length] == 0)
		{
			view = mNameTextField;
		}
		else
		{
			view = mIPPasswordSecureTextField;
		}
	}
	else
	{
		view = mPPasswordSecureTextField;
	}
	
	return view;
}

- (NSView *)lastKeyView
{
	// return the appropriate view depending on whether or not identity and credentials
	// or just credentials are being asked for
	if (mUseIPView)
		return mIPPasswordSecureTextField;
	else
		return mPPasswordSecureTextField;
}

- (void)setEnabled:(BOOL)inEnabled
{
	// enable or disable the text fields as appropriate
	[mNameTextField setEnabled: inEnabled];
	[mIPPasswordSecureTextField setEnabled: inEnabled];
	[mPPasswordSecureTextField setEnabled: inEnabled];
}

- (void)willActivateWithUser:(NSDictionary *)inUserInformation
{
	// save the user name and set the name text field
	mUserName = [[inUserInformation objectForKey: SFAuthorizationPluginViewUserShortNameKey] retain];
	if (mUserName)
	{
		[mNameTextField setStringValue: mUserName];
	}
}

- (NSView*)viewForType:(SFViewType)inType
{
	NSView *view = nil;
    
	// return the appropriate view for the type of view being requested
	if (inType == SFViewTypeIdentityAndCredentials)
	{
		view = mIdentityAndPasswordView;
		mUseIPView = YES;
	}
	else if (inType == SFViewTypeCredentials)
	{
		view = mPasswordView;
		mUseIPView = NO;
	}
	
	return view;
}

// --------------------------------------------------------------------------------
- (id)initWithCallbacks:(const AuthorizationCallbacks *)callbacks andEngineRef:(AuthorizationEngineRef)engineRef
{
	self = [super initWithCallbacks: callbacks andEngineRef: engineRef];
	if (self)
	{
		// do any additional initialization
	}
	return self;
}

- (void)dealloc
{
	[mUserName release];
	[super dealloc];
}

@end