Running local binaries with NSTask

GBAppDelegate.h

#import <Cocoa/Cocoa.h>

@interface GBAppDelegate : NSObject <NSApplicationDelegate>

@end

GBAppDelegate.m

#import "GBAppDelegate.h"
#import "GBViewController.h"

@interface GBAppDelegate ()

@property (assign) IBOutlet NSWindow *window;
@property (nonatomic, strong) IBOutlet GBViewController *viewController;

@end

@implementation GBAppDelegate

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
    self.viewController = [[GBViewController alloc] initWithNibName:@"GBViewController" bundle:nil];
    [self.window.contentView addSubview:self.viewController.view];
    self.viewController.view.frame = ((NSView *)self.window.contentView).bounds;
}

- (void)applicationWillTerminate:(NSNotification *)aNotification {
    // Insert code here to tear down your application
}

@end

GBViewController.h

#import <Cocoa/Cocoa.h>

@interface GBViewController : NSViewController

@property (strong) NSString *username;
@property (strong) NSString *password;

@end

GBViewController.m

#import "GBViewController.h"

@interface GBViewController ()

// User interface fields
@property (weak) IBOutlet NSTextField *usernameField;
@property (weak) IBOutlet NSSecureTextField *passwordField;
@property (weak) IBOutlet NSButton *loginButton;
@property (weak) IBOutlet NSProgressIndicator *loginIndicator;
@property (weak) IBOutlet NSTextField *errorView;

@property (nonatomic, copy) NSString *pathString;

- (IBAction)loginInitiated:(id)sender;
- (BOOL)verifyAccountWithUsername:(NSString *)username AndPassword:(NSString *)password;

@end

@implementation GBViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
        NSFileManager *filemgr = [[NSFileManager alloc] init];
        
        self.pathString = [[NSString alloc] initWithString:filemgr.currentDirectoryPath];
        NSLog(@"The working directory is %@", self.pathString);
        self.username = @"";
        self.password = @"";
        [self.loginIndicator setHidden:YES];

    }
    return self;
}

- (IBAction)loginInitiated:(id)sender {
    NSString *username = self.usernameField.stringValue;
    NSString *password = self.passwordField.stringValue;
    
    self.username = username;
    self.password = password;
    
    BOOL verified = [self verifyAccountWithUsername:username AndPassword:password];
    NSLog(@"%d", verified);
}


- (BOOL)verifyAccountWithUsername:(NSString *)username AndPassword:(NSString *)password {
    
    [self.loginIndicator setHidden: NO];
    
    NSFileManager *filemgr = [[NSFileManager alloc] init];
    NSString *currentPath = filemgr.currentDirectoryPath;
    
    NSString *launchPath = [currentPath stringByAppendingString:@"/X.app/Contents/Resources/loginFromClient"];
    
    NSTask *task;
    task = [[NSTask alloc] init];
    [task setLaunchPath: launchPath];
    
    NSArray *arguments;
    arguments = [NSArray arrayWithObjects:username, password, nil];
    [task setArguments: arguments];
    
    NSPipe *pipe;
    pipe = [NSPipe pipe];
    [task setStandardOutput: pipe];
    
    NSFileHandle *file;
    file = [pipe fileHandleForReading];
    
    [task launch];
    
    NSData *data;
    data = [file readDataToEndOfFile];
    
    NSString *string;
    string = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
    
    NSLog(@"Request with username %@ and password %@ was %@", username, password, string);
    
    [self.loginIndicator setHidden:YES];
    
    return FALSE;
}


@end