How to make an HTTP request basic auth in Swift

Question

I have a RESTFull service with basic authentication and I want to invoke it from iOS swift  How and where I must provide Credential for this request   My code  sorry  I just start learn iOS obj-c swift    class APIProxy  NSObject   var data  NSMutableData   NSMutableData    func connectToWebApi         var urlPath    http   xx xx xx xx BP3 0 32 ru hs testservis somemethod      NSLog  connection string   urlPath        var url  NSURL   NSURL string  urlPath      var request   NSMutableURLRequest URL  url      let username    hs      let password    1      let loginString   NSString format           username  password      let loginData  NSData   loginString dataUsingEncoding NSUTF8StringEncoding      let base64LoginString   loginData base64EncodedStringWithOptions NSDataBase64EncodingOptions fromMask 0       request setValue base64LoginString  forHTTPHeaderField   Authorization        var connection  NSURLConnection   NSURLConnection request  request  delegate  self       connection start         NSURLConnection delegate method func connection connection  NSURLConnection   didFailWithError error  NSError         println  Failed with error   error localizedDescription         NSURLConnection delegate method func connection didReceiveResponse  NSURLConnection   didReceiveResponse response  NSURLResponse           New request so we need to clear the data object     self data   NSMutableData        NSURLConnection delegate method func connection connection  NSURLConnection   didReceiveData data  NSData           Append incoming data     self data appendData data       NSURLConnection delegate method func connectionDidFinishLoading connection  NSURLConnection         NSLog  connectionDidFinishLoading

User · Answer

I had a similar problem trying to POST to MailGun for some automated emails I was implementing in an app.

I was able to get this working properly with a large HTTP response. I put the full path into Keys.plist so that I can upload my code to github and broke out some of the arguments into variables so I can have them programmatically set later down the road.

// Email the FBO with desired information
// Parse our Keys.plist so we can use our path
var keys: NSDictionary?

if let path = NSBundle.mainBundle().pathForResource("Keys", ofType: "plist") {
    keys = NSDictionary(contentsOfFile: path)
}

if let dict = keys {
    // variablize our https path with API key, recipient and message text
    let mailgunAPIPath = dict["mailgunAPIPath"] as? String
    let emailRecipient = "[email protected]"
    let emailMessage = "Testing%20email%20sender%20variables"

    // Create a session and fill it with our request
    let session = NSURLSession.sharedSession()
    let request = NSMutableURLRequest(URL: NSURL(string: mailgunAPIPath! + "from=FBOGo%20Reservation%20%3Cscheduler@<my domain>.com%3E&to=reservations@<my domain>.com&to=\(emailRecipient)&subject=A%20New%20Reservation%21&text=\(emailMessage)")!)

    // POST and report back with any errors and response codes
    request.HTTPMethod = "POST"
    let task = session.dataTaskWithRequest(request, completionHandler: {(data, response, error) in
        if let error = error {
            print(error)
        }

        if let response = response {
            print("url = \(response.URL!)")
            print("response = \(response)")
            let httpResponse = response as! NSHTTPURLResponse
            print("response code = \(httpResponse.statusCode)")
        }
    })
    task.resume()
}

The Mailgun Path is in Keys.plist as a string called mailgunAPIPath with the value:

https://API:key-<my key>@api.mailgun.net/v3/<my domain>.com/messages?

Hope this helps offers a solution to someone trying to avoid using 3rd party code for their POST requests!

User · Answer

swift 4   let username    username  let password    password  let loginString      username    password    guard let loginData   loginString data using  String Encoding utf8  else       return   let base64LoginString   loginData base64EncodedString    request httpMethod    GET  request setValue  Basic   base64LoginString    forHTTPHeaderField   Authorization

User · Answer

create authentication base 64 encoding string      let PasswordString      txtUserName text    txtPassword text       let PasswordData   PasswordString dataUsingEncoding NSUTF8StringEncoding      let base64EncodedCredential   PasswordData  base64EncodedStringWithOptions NSDataBase64EncodingOptions Encoding64CharacterLineLength        let base64EncodedCredential   PasswordData  base64EncodedStringWithOptions nil      create authentication url      let urlPath  String    http         auth      var url  NSURL   NSURL string  urlPath      create and initialize basic authentication request      var request  NSMutableURLRequest   NSMutableURLRequest URL  url      request setValue  Basic   base64EncodedCredential    forHTTPHeaderField   Authorization       request HTTPMethod    GET      You can use one of below methods    1 URL request with NSURLConnectionDataDelegate      let queue NSOperationQueue   NSOperationQueue       let urlConnection   NSURLConnection request  request  delegate  self      urlConnection start       2 URL Request with AsynchronousRequest       NSURLConnection sendAsynchronousRequest request  queue  NSOperationQueue mainQueue      response  data  error  in         println NSString data  data  encoding  NSUTF8StringEncoding             2 URL Request with AsynchronousRequest with json output        NSURLConnection sendAsynchronousRequest request  queue  NSOperationQueue mainQueue    completionHandler    response  NSURLResponse   data  NSData   error  NSError   - gt  Void in         var err  NSError         var jsonResult  NSDictionary   NSJSONSerialization JSONObjectWithData data  options  NSJSONReadingOptions MutableContainers  error  nil  as NSDictionary         println    jsonResult               3 URL Request with SynchronousRequest      var response  AutoreleasingUnsafePointer lt NSURLResponse  gt  nil     var dataVal  NSData    NSURLConnection sendSynchronousRequest request  returningResponse  response  error nil      var err  NSError     var jsonResult  NSDictionary   NSJSONSerialization JSONObjectWithData dataVal  options  NSJSONReadingOptions MutableContainers  error  nil  as NSDictionary     println    jsonResult        4 URL Request with NSURLSession      let config   NSURLSessionConfiguration defaultSessionConfiguration       let authString    Basic   base64EncodedCredential       config HTTPAdditionalHeaders     Authorization    authString      let session   NSURLSession configuration  config       session dataTaskWithURL url             let data  let response  let error  in         if let httpResponse   response as  NSHTTPURLResponse               let dataString   NSString data  data  encoding  NSUTF8StringEncoding              println dataString                  resume        you may be get fatal error if you changed the request HTTPMethod    POST  when server request GET request

User · Answer

I am calling the json on login button click   IBAction func loginClicked sender   AnyObject    var request   NSMutableURLRequest URL  NSURL string  kLoginURL      Here  kLogin contains the Login API    var session   NSURLSession sharedSession    request HTTPMethod    POST   var err  NSError  request HTTPBody   NSJSONSerialization dataWithJSONObject self criteriaDic    options  nil  error   amp err     This Line fills the web service with required parameters  request addValue  application json   forHTTPHeaderField   Content-Type   request addValue  application json   forHTTPHeaderField   Accept    var task   session dataTaskWithRequest request  completionHandler   data  response  error - gt  Void in       println  Response    response    var strData   NSString data  data  encoding  NSUTF8StringEncoding  println  Body    strData           var err1  NSError  var json2   NSJSONSerialization JSONObjectWithData strData dataUsingEncoding NSUTF8StringEncoding   options   MutableLeaves  error  amp err1   as NSDictionary  println  json2    json2     if err        println err  localizedDescription    else       var success   json2  success   as  Int     println  Succes    success          task resume        Here  I have made a seperate dictionary for the parameters   var params     format   json    MobileType   IOS   MIN   f8d16d98ad12acdbbe1de647414495ec   UserName  emailTxtField text  PWD  passwordTxtField text  SigninVia   SH  as NSDictionary      return params

User · Answer

In Swift 2   extension NSMutableURLRequest       func setAuthorizationHeader username username  String  password  String  - gt  Bool           guard let data      username    password   dataUsingEncoding NSUTF8StringEncoding  else   return false            let base64   data base64EncodedStringWithOptions             setValue  Basic   base64    forHTTPHeaderField   Authorization           return true

User · Answer

my solution works as follows   import UIKit   class LoginViewController  UIViewController  NSURLConnectionDataDelegate       IBOutlet var usernameTextField  UITextField    IBOutlet var passwordTextField  UITextField     IBAction func login sender  AnyObject        var url   NSURL string   YOUR URL       var request   NSURLRequest URL  url      var connection   NSURLConnection request  request  delegate  self  startImmediately  true          func connection connection NSURLConnection   willSendRequestForAuthenticationChallenge challenge NSURLAuthenticationChallenge          if challenge previousFailureCount  gt  1          else           let creds   NSURLCredential user  usernameTextField text  password  passwordTextField text  persistence  NSURLCredentialPersistence None          challenge sender useCredential creds  forAuthenticationChallenge  challenge               func connection connection NSURLConnection   didReceiveResponse response  NSURLResponse        let status    response as NSHTTPURLResponse  statusCode     println  status code is   status           200  Yeah authentication was successful         override func viewDidLoad         super viewDidLoad           override func didReceiveMemoryWarning         super didReceiveMemoryWarning              You can use this class as the implementation of a ViewController  Connect your fields to the IBOutlet annotated vars and your Button to the IBAction annotated function   Explanation  In function login you create your request with NSURL  NSURLRequest and NSURLConnection  Essential here is the delegate which references to this class  self   For receiving the delegates calls you need to   Add the protocol NSURLConnectionDataDelegate to the class Implement the protocols  function  connection willSendRequestForAuthenticationChallenge  This is used for adding the credentials to the request Implement the protocols  function  connection didReceiveResponse  This will check the http response status code

User · Answer

You provide credentials in a URLRequest instance  like this in Swift 3   let username    user  let password    pass  let loginString   String format           username  password  let loginData   loginString data using  String Encoding utf8   let base64LoginString   loginData base64EncodedString       create the request let url   URL string   http   www example com     var request   URLRequest url  url  request httpMethod    POST  request setValue  Basic   base64LoginString    forHTTPHeaderField   Authorization       fire off the request    make sure your class conforms to NSURLConnectionDelegate let urlConnection   NSURLConnection request  request  delegate  self    Or in an NSMutableURLRequest in Swift 2      set up the base64-encoded credentials let username    user  let password    pass  let loginString   NSString format           username  password  let loginData  NSData   loginString dataUsingEncoding NSUTF8StringEncoding   let base64LoginString   loginData base64EncodedStringWithOptions         create the request let url   NSURL string   http   www example com    let request   NSMutableURLRequest URL  url  request HTTPMethod    POST  request setValue  Basic   base64LoginString    forHTTPHeaderField   Authorization       fire off the request    make sure your class conforms to NSURLConnectionDelegate let urlConnection   NSURLConnection request  request  delegate  self

User · Answer

go plain for SWIFT 3 and APACHE simple Auth   func urlSession   session  URLSession  task  URLSessionTask                  didReceive challenge  URLAuthenticationChallenge                  completionHandler   escaping  URLSession AuthChallengeDisposition  URLCredential   - gt  Void         let credential   URLCredential user   test                                      password   test                                      persistence   none       completionHandler  useCredential  credential

[ios] How to make an HTTP request + basic auth in Swift

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