Client-Side iOS SDK

# Run this command to install the cocoapods-art plugin (authored by Artifactory)
gem install cocoapods-art

# Run this command to add the Prove pod repository
pod repo-art add prove.jfrog.io https://prove.jfrog.io/artifactory/api/pods/libs-public-cocoapods

# In your Podfile, paste in the Prove pod repository as a source
plugin 'cocoapods-art', :sources => [
    'prove.jfrog.io'
]

# In your Podfile, paste in the SDK pods
pod 'ProveAuth', '6.3.1'

# Run this command to install the SDK pods
pod install

// The below example uses native iOS URLSession, but any other
// alternative networking approaches should also work
func initialize(phoneNumber: String, possessionType: String, completion: @escaping (Result\<String, Error>) -> Void) {
    guard let url = URL(string: "\(backendUrl)/initialize") else {
        completion(.failure(URLError(.badURL)))
        return
    }
    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    request.addValue("application/json", forHTTPHeaderField: "Accept")
    request.addValue("application/json", forHTTPHeaderField: "Content-Type")
    // Set up the request body
    let body: [String: Any] = [
        "phoneNumber": phoneNumber,
        "possessionType": possessionType
    ]
    do {
        request.httpBody = try JSONSerialization.data(withJSONObject: body, options: \[])
    } catch {
        completion(.failure(error))
        return
    }
    // Perform the request
    let task = URLSession.shared.dataTask(with: request) { \_, response, error in
        // Handle network or connection errors
        if let error = error {
            completion(.failure(error))
            return
        }
        do {
            if let json = try JSONSerialization.jsonObject(with: data, options: \[]) as? [String: Any],
               let authToken = json["authToken"] as? String {
                completion(.success(authToken))
            } else {
                let parsingError = NSError(domain: "", code: 0, userInfo: [NSLocalizedDescriptionKey : "Failed to parse JSON or authToken is missing"])
                completion(.failure(parsingError))
            }
        } catch {
            completion(.failure(error))
        }
    }
    // Start the network call
    task.resume()
}

// Object implementing ProveAuthFinishStep protocols
let finishStep = FinishAuthStep()

// Objects implementing OtpStartStep/OtpFinishStep protocols
let otpStartStep = MobileOtpStartStep()
let otpFinishStep = MobileOtpFinishStep()

let proveAuthSdk: ProveAuth
proveAuthSdk = ProveAuth.builder(authFinish: finishStep)
  .withOtpFallback(otpStart: otpStartStep, otpFinish: otpFinishStep)
  .build()

proveAuthSdk = ProveAuth.builder(authFinish: finishStep)
  .withMobileAuthTestMode() // Test mode flag
  .build()

// authToken retrieved from your server via StartAuthRequest
proveAuthSdk.authenticate(authToken) { error in
  DispatchQueue.main.async {
    self.messages.finalResultMessage = "ProveAuth.authenticate returned error: \(error.localizedDescription)"
    print(self.messages.finalResultMessage)
  }
}

// Send a verify request.
// The below example uses native iOS URLSession, but any other
// alternative networking approaches should also work
func verify(String: authId, completion: @escaping (Error?) -> Void) {
    guard let url = URL(string: "\(backendUrl)/verify") else {
        completion(URLError(.badURL))
        return
    }
    // Create the request
    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    request.addValue("application/json", forHTTPHeaderField: "Accept")
    request.addValue("application/json", forHTTPHeaderField: "Content-Type")
    // Set up the request body (empty JSON object) - authId is not needed so you can ignore.
    let body: [String: Any] = ["authId": authId]
    do {
        request.httpBody = try JSONSerialization.data(withJSONObject: body, options: \[])
    } catch {
        completion(error)
        return
    }
    // Perform the request
    let task = URLSession.shared.dataTask(with: request) { \_, response, error in
        if let error = error {
            completion(error)
            return
        } catch {
            completion(error)
        }
    }
    // Start the network call
    task.resume()
}

import Foundation
import ProveAuth
import SwiftUI

// Implementation of OtpStartStep protocol
class MobileOtpStartStep: OtpStartStep {
    @ObservedObject var sheetObservable: SheetObservable
    var callback: OtpStartStepCallback?

    init(sheetObservable: SheetObservable){
        self.sheetObservable = sheetObservable
    }

    // ProveAuth SDK calls this method when it is time to collect a customer's phone number for SMS OTP and/or obtain
    // the customer's confirmation to initiate the SMS message to the phone number provided
    // 'phoneNumberNeeded' argument indicates whether mobile app needs to collect the phone number
    func execute(phoneNumberNeeded: Bool, phoneValidationError: ProveAuthError?, callback: OtpStartStepCallback) {
        // here - signal to ContentView to display OtpStartView
        DispatchQueue.main.async {
            // SDK returns phoneValidationError if the phone number provided is invalid or blocked
            if case .phoneNumberValidationError = phoneValidationError {
                self.sheetObservable.isPhoneValidationError = true
            } else {
                self.sheetObservable.isPhoneValidationError = false
            }
            self.sheetObservable.isOtpStartActive = true
            self.sheetObservable.isPhoneNumberNeeded = phoneNumberNeeded
            self.callback = callback
        }
    }

    // Here - return collected phone number string to SDK
    func handlePhoneNumber(phoneNumber: String? = nil) {
        guard let callback = self.callback else {
            print("Error: OtpStartStepCallback is not set ")
            return
        }
        if let phoneNumber = phoneNumber {
            let otpStartInput = OtpStartInput(phoneNumber: phoneNumber)
            // This is how you pass collected phone number to SDK
            callback.onSuccess(input: otpStartInput)
            return
        }
        // If phoneNumberNeeded = false (in the OtpStartStep.execute) and phone number was already provided in the initial server-to-server call to /start endpoint
        // Then return nil back to SDK, Prove Auth server already got the phone number
        // calling onSuccess here indicates that the customer's confirmation to send SMS was obtained
        callback.onSuccess(input: nil)
    }

    // Here - communicate to the SDK any issues while trying to obtain the phone number.
    // Error should be reported if the customer explicitly cancels the SMS OTP transaction or presses the back button to exit out the SMS OTP start step screen.
    func handleOtpStartError() {
        guard let callback = self.callback else {
            print("Error: OtpStartStepCallback is not set ")
            return
        }
        callback.onError()
    }
}

import Foundation
import SwiftUI
import ProveAuth

// Implementation of OtpFinishStep protocol
class MobileOtpFinishStep: OtpFinishStep {
    @ObservedObject var sheetObservable: SheetObservable
    var callback: OtpFinishStepCallback?

    init(sheetObservable: SheetObservable){
        self.sheetObservable = sheetObservable
    }
    // SDK calls this method when it is time to collect OTP value delivered in the SMS message
    // otpError will be returned if OTP value was incorrect
    func execute(otpError: ProveAuthError?, callback: OtpFinishStepCallback) {
        self.callback = callback
        // here - signal to ContentView to display OtpFinishView
        DispatchQueue.main.async {
            if case .otpValidationError = otpError {
                print("found otpError: \(String(describing: otpError?.localizedDescription))")
            }
            self.sheetObservable.isOtpFinishActive = true
        }
    }

    // Here - return the OTP value to the SDK
    func handleOtp(_ otp: String) {
        guard let callback = self.callback else {
            print("Error: OtpFinishStepCallback is not set ")
            return
        }
        let otpFinishInput = OtpFinishInput(otp: otp)
        callback.onSuccess(input: otpFinishInput)
    }

    // Here - communicate to the SDK any issues while trying to obtain the OTP value.
    // Error should be reported if the customer explicitly cancels the SMS OTP transaction or presses the back button to exit out the SMS OTP finish step screen.
    func handleOtpFinishError() {
        guard let callback = self.callback else {
            print("Error: OtpFinishStepCallback is not set ")
            return
        }
        callback.onError()
    }
}