Using Operations Service

import WultraMobileTokenSDK
import WultraPowerAuthNetworking

let networkingConfig = WPNConfig(
    baseUrl: URL(string: "https://myservice.com/mtoken/operations/api/")!,
    sslValidation: .default
)
// powerAuth is instance of PowerAuthSDK
let opsService = powerAuth.createWMTOperations(networkingConfig: networkingConfig, pollingOptions: [.pauseWhenOnBackground])

import WultraMobileTokenSDK
import WultraPowerAuthNetworking

// networkingService is instance of WPNNetworkingService
let opsService = networkingService.createWMTOperations(pollingOptions: [.pauseWhenOnBackground])

// networkingService is instance of WPNNetworkingService
let opsService = networkingService.createWMTOperations(customUserOperationType: CustomUserOperation.self).

import WultraMobileTokenSDK

DispatchQueue.main.async {
    // This method needs to be called on the main thread.
    operationsService.getOperations { result in
        switch result {
        case .success(let ops):
            // render success UI
        case .failure(let err):
            // render error UI
        }
    }
}

import WultraMobileTokenSDK

// fetch new operations every 7 seconds periodically
if (!operationsService.isPollingOperations) {
    operationsService.startPollingOperations(interval: 7, delayStart: false)
}

import WultraMobileTokenSDK
import PowerAuth2

class MyOperationsManager: WMTOperationsDelegate {

    private let ops: WMTOperations

    init(powerAuth: PowerAuthSDK) {
        let networkingConfig = WPNConfig(
            baseUrl: URL(string: "https://myservice.com/mtoken/operations/api/")!,
            sslValidation: .default
        )
        self.ops = powerAuth.createWMTOperations(networkingConfig: networkingConfig)
        self.ops.delegate = self
    }

    func operationsFailed(error: WMTError) {
        // show UI that the last fetch has failed
    }

    func operationsChanged(operations: [UserOperation], removed: [UserOperation], added: [UserOperation]) {
        // refresh operation list UI
    }

    func operationsLoading(loading: Bool) {
        // show loading UI
    }
}

import WultraMobileTokenSDK
import PowerAuth2

// Approve operation with password
func approve(operation: WMTOperation, password: String) {

    let auth = PowerAuthAuthentication.possessionWithPassword(password: password)

    operationService.authorize(operation: operation, authentication: auth) { error in
        if let error = error {
            // show error UI
        } else {
            // show success UI
        }
    }
}

import WultraMobileTokenSDK
import PowerAuth2

// Approve operation with password
func approveWithBiometry(operation: WMTOperation) {

    let auth = PowerAuthAuthentication.possessionWithBiometry(prompt: "Confirm operation.")

    operationService.authorize(operation: operation, authentication: auth) { error in
        if let error = error {
            // show error UI
        } else {
            // show success UI
        }
    }
}

import WultraMobileTokenSDK
import PowerAuth2

// Reject operation with some reason
func reject(operation: WMTOperation, reason: WMTRejectionReason) {
    operationService.reject(operation: operation, reason: reason) { error in
        if let error = error {
            // show error UI
        } else {
            // show success UI
        }
    }
}

import WultraMobileTokenSDK
import PowerAuth2

// Retrieve operation history with password
func history(password: String) {
    let auth = PowerAuthAuthentication.possessionWithPassword(password: password)
    operationService.getHistory(authentication: auth) { result in
        switch result {
        case .success(let operations):
            // process operation history
            break
        case .failure(let error):
            // process error
            break
        }
    }
}

import WultraMobileTokenSDK

let code = "..." // scanned QR value
let parser = WMTQROperationParser()
switch parser.parse(string: code) {
case .success(let op):
    let isMasterKey = op.signature.signingKey == .master
    guard powerAuth.verifyServerSignedData(op.signedData, signature: op.signature.signature, masterKey: isMasterKey) else {
        // failed to verify signature
        return
    }
    // opeartion is parsed and verify
case .failure(let error):
    // failed to parse. See error for more info.
}

import WultraMobileTokenSDK
import PowerAuth2

func approveQROperation(operation: WMTQROperation, password: String) {

    let auth = PowerAuthAuthentication.possessionWithPassword(password: password)

    operationsService.authorize(qrOperation: operation, authentication: auth) { result in
        switch result {
        case .success(let code):
            // Display the signature to the user so it can be manually rewritten.
            // Note that the operation will be signed even with a wrong password!
        case .failure(let error):
            // Failed to sign the operation
        }
    }
}

import WultraMobileTokenSDK
import PowerAuth2

func approveQROperation(operation: WMTQROperation, password: String) {

    let auth = PowerAuthAuthentication.possessionWithPassword(password: password)

    // using the authorize method with custom uriId
    operationsService.authorize(qrOperation: operation, uriId: "/confirm/offline/operation", authentication: auth) { result in
        switch result {
        case .success(let code):
            // Display the signature to the user so it can be manually rewritten.
            // Note that the operation will be signed even with a wrong password!
        case .failure(let error):
            // Failed to sign the operation
        }
    }
}

import WultraMobileTokenSDK
import PowerAuth2

// Approves QR operation with biometry
func approveQROperationWithBiometry(operation: WMTQROperation) {

    guard operation.flags.allowBiometryFactor else {
        // biometry usage is not allowed on this operation
        return
    }

    let auth = PowerAuthAuthentication.possessionWithBiometry(prompt: "Confirm operation.")

    operationsService.authorize(qrOperation: operation, authentication: auth) { result in
        switch result {
        case .success(let code):
            // Display the signature to the user so it can be manually rewritten.
        case .failure(let error):
            // Failed to sign the operation
        }
    }
}

class WMTUserOperation: WMTOperation {

	/// Unique operation identifier
	public let id: String

	/// System name of the operation.
	///
	/// This property lets you adjust the UI for various operation types.
	/// For example, the "login" operation may display a specialized interface with
	/// an icon or an illustration, instead of an empty list of attributes,
	/// "payment" operation can include a special icon that denotes payments, etc.
	public let name: String

	/// Actual data that will be signed.
	public let data: String

	/// Date and time when the operation was created.
	public let operationCreated: Date

	/// Date and time when the operation will expire.
	public let operationExpires: Date

	/// Data that should be presented to the user.
	public let formData: WMTOperationFormData

	/// Allowed signature types.
	///
	/// This hints if the operation needs a 2nd factor or can be approved simply by
	/// tapping an approve button. If the operation requires 2FA, this value also hints if
	/// the user may use the biometry, or if a password is required.
	public let allowedSignatureType: WMTAllowedOperationSignature
 
    /// Additional UI data to present
    ///
    /// Additional UI data such as Pre-Approval Screen or Post-Approval Screen should be presented.
    public let ui: WMTOperationUIData?   
}

public class WMTOperationFormData {

    /// Title of the operation
    public let title: String

    /// Message for the user
    public let message: String

    /// Other attributes.
    ///
    /// Each attribute presents one line in the UI. Attributes are differentiated by type property
    /// and specific classes such as WMTOperationAttributeNote or WMTOperationAttributeAmount.
    public let attributes: [WMTOperationAttribute]
}

open class WMTOperationUIData: Codable {
    /// Confirm and Reject buttons should be flipped both in position and style
    public let flipButtons: Bool?
    
    /// Block approval when on call (for example when on a phone or Skype call)
    public let blockApprovalOnCall: Bool?
    
    /// UI for pre-approval operation screen
    public let preApprovalScreen: WMTPreApprovalScreen?
    
    /// UI for post-approval opration screen
    ///
    /// Type of PostApprovalScrren is presented with different classes (Starting with `WMTPostApprovalScreen*`)
    public let postApprovalScreen: WMTPostApprovalScreen?
}

class CustomUserOperation: WMTUserOperation {
    
    enum CodingKeys: CodingKey {
        case playSound
    }
    
    /// Should we play a sound when the operation is displayed?
    let playSound: Bool
    
    required init(from decoder: Decoder) throws {
	    /// Decode the playSound property
        playSound = try decoder.container(keyedBy: CodingKeys.self).decode(Bool, forKey: . playSound)
        /// Decode the rest of the properties by the super class
        try super.init(from: decoder)
}

opsService.getOperations { result in
    switch result {
    case .success(let ops):
       // unbox operations into the [CustomUserOperation]
    	let unboxed = ops.map { $0 as! CustomUserOperation }
    case .failure(let error):
    	// do something with the error
    	break
    }
}

public protocol WMTOperation {

    /// Operation identifier
    var id: String { get }

    /// Data for signing
    var data: String { get }
}