crspybits

// Typical parameters to send to a server
// See https://github.com/crspybits/SolidAuthSwift/issues/6

public struct ServerParameters: Codable {
    public let refresh: RefreshParameters
    
    // This should be something like "https://crspybits.trinpod.us", "https://crspybits.inrupt.net", or "https://pod.inrupt.com/crspybits".
    // Aka. host URL; see https://github.com/SyncServerII/ServerSolidAccount/issues/4
    // If this is nil (i.e., it could not be obtained here), and your app needs it, you'll need to prompt the user for it. If it is not nil, you might want to confirm the specific storage location your app plans to use with the user anyways. E.g., your app might want to use "https://pod.inrupt.com/crspybits/YourAppPath/".
    public let storageIRI: URL?

crspybits

public protocol ResourceConfigurable {
    // The public PEM key converted to a JWK.
    var jwk: JWK_RSA { get }
    
    var privateKey: String { get }
    
    var clientId: String { get }
    var clientSecret: String { get }
    
    // The "base URL" to use to make requests to the users Solid Pod.

crspybits

        guard let controller = try? SignInController(config: config) else {
            logger.error("Could not initialize Controller")
            return
        }

        controller.start() { [weak self] result in
            guard let self = self else { return }
            
            switch result {
            case .failure(let error):

crspybits

    /**
     *  Starts off sequence:
     *      1) Discovery: Fetch configuration
     *      2) Client registration
     *      3) Authorization request
     *      4) Get refresh token and id token
     *      5) Get the users webid
     *      6) Attempt to get storage IRI
     */

crspybits

public struct SignInConfiguration {
    // e.g., "https://solidcommunity.net"
    public let issuer: String
    
    // E.g., "biz.SpasticMuffin.Neebla.demo:/mypath"
    public let redirectURI: String
    
    var redirectURL: URL? {
        return URL(string: redirectURI)
    }

crspybits

/// Validate the given refresh token. This does *not* generate a new id token-- the API returns an updated *access token*, which Apple doesn't define a use for (and we don't save).
/// On success, updates the lastRefreshTokenValidation.
func validateRefreshToken(refreshToken: String, completion: @escaping (Swift.Error?) -> ()) {
    self.refreshToken = refreshToken

    let clientSecret:String
    do {
        clientSecret = try createClientSecret()
    } catch let error {
        completion(error)

crspybits

/// This can only be called once for a specific serverAuthCode.
func generateRefreshToken(serverAuthCode: String, completion: @escaping (Swift.Error?) -> ()) {        
    let clientSecret:String
    do {
        clientSecret = try createClientSecret()
    } catch let error {
        completion(error)
        return
    }

crspybits

// CommonCrypto is only available with Xcode 10 for import into Swift; see also https://stackoverflow.com/questions/25248598/importing-commoncrypto-in-a-swift-framework
import CommonCrypto

class Hashing {
    // From https://stackoverflow.com/questions/25388747/sha256-in-swift
    private static func sha256(data : Data) -> Data {
        var hash = [UInt8](repeating: 0, count: Int(CC_SHA256_DIGEST_LENGTH))
        data.withUnsafeBytes {
            _ = CC_SHA256($0, CC_LONG(data.count), &hash)
        }

crspybits

// CommonCrypto is only available with Xcode 10 for import into Swift; see also https://stackoverflow.com/questions/25248598/importing-commoncrypto-in-a-swift-framework
import CommonCrypto

class Hashing {
    // From https://stackoverflow.com/questions/25388747/sha256-in-swift
    private static func sha256(data : Data) -> Data {
        var hash = [UInt8](repeating: 0, count: Int(CC_SHA256_DIGEST_LENGTH))
        data.withUnsafeBytes {
            _ = CC_SHA256($0, CC_LONG(data.count), &hash)
        }

crspybits

// CommonCrypto is only available with Xcode 10 for import into Swift; see also https://stackoverflow.com/questions/25248598/importing-commoncrypto-in-a-swift-framework
import CommonCrypto

class Hashing {
    // From https://stackoverflow.com/questions/25388747/sha256-in-swift
    private static func sha256(data : Data) -> Data {
        var hash = [UInt8](repeating: 0, count: Int(CC_SHA256_DIGEST_LENGTH))
        data.withUnsafeBytes {
            _ = CC_SHA256($0, CC_LONG(data.count), &hash)
        }