Basic Authentication with Alamofire

Question

Experiencing an issue when authenticating with Basic Auth. I am using a standard enum that conforms to URLRequestConvertible protocol to construct my requests.

Answer 1

You can try this code:

    let user = ***
    let password = ***
    let credentialData = "\(user):\(password)".dataUsingEncoding(NSUTF8StringEncoding)!
    let base64Credentials = credentialData.base64EncodedStringWithOptions([])
    let headers = ["Authorization": "Basic \(base64Credentials)"]

Alamofire.manager.request(.GET, stringURL,headers: headers, parameters: params as? [String : AnyObject])
        .responseJSON { response  in
            if (response.result.error == nil){
                success(data: response.result.value)
            }else{
                fail(error: response.result.error)
            }
    }

Answer 2

Alamofire provides an even easier approach than manually creating your own headers.

The relevant piece of code from "Basic Auth" section here:

  manager.request(.GET, "https://api.parse.com/1/classes/Spot/")
    .authenticate(user: username, password: password)
    .responseSpotsArray { response in
      completionHandler(response.result)
    }

Answer 3

Alamofire.request(urlString, method: .get).authenticate(user: "username", password: "pwd").responseJSON

JUST authenticate

Answer 4

In swift 3.0

Use following code -

    let user = ***
    let password = ***
    let credentialData = "\(user):\(password)".data(using: String.Encoding.utf8)!
    let base64Credentials = credentialData.base64EncodedString(options: [])
    let headers = ["Authorization": "Basic \(base64Credentials)"]

    Alamofire.request(customerURL,
                      method: .get,
                      parameters: nil,
                      encoding: URLEncoding.default,
                      headers:headers)
        .validate()
        .responseJSON { response in
            if response.result.value != nil{                    
               print(response)
            }else{

            }
    }

Answer 5

Ultimately figured out what the issue was. It ended up being a missing trailing forward slash in the URL. It seems Alamofire does not handle it the same way AFNetworking does. I was able to figure it out logging the requests and seeing that we were losing some bytes in the actual request.

Answer 6

Swift 4

private func getHeaders() -> [String: String] {
        let userName = "xxxx"
        let password = "xxxx"
        let credentialData = "\(userName):\(password)".data(using: .utf8)
        guard let cred = credentialData else { return ["" : ""] }
        let base64Credentials = cred.base64EncodedData(options: [])
        guard let base64Date = Data(base64Encoded: base64Credentials) else { return ["" : ""] }
        return ["Authorization": "Basic \(base64Date.base64EncodedString())"]
    }