| 1 | import Foundation |
| 2 | |
| 3 | #if canImport(FoundationNetworking) |
| 4 | import FoundationNetworking |
| 5 | #endif |
| 6 | |
| 7 | /// Headless smbCloud Auth client for a tenant auth app. |
| 8 | /// |
| 9 | /// A faithful Swift port of the canonical `smbcloud-auth-sdk` tenant client |
| 10 | /// surface (`login`, `signup`, `me`, `logout`, `remove`, and the Apple provider |
| 11 | /// helpers). It performs no UI and has no dependency on AuthenticationServices |
| 12 | /// or the Keychain, so it builds on Apple platforms, Linux, Windows, and |
| 13 | /// Android — including inside a server. |
| 14 | /// |
| 15 | /// This client uses confidential ``ClientCredentials`` (`appId` + `appSecret`). |
| 16 | /// Construct and use it where the secret is safe (a backend / BFF). For native |
| 17 | /// or browser public clients, use ``OIDC`` or the Apple flow, or call your own |
| 18 | /// backend. |
| 19 | public struct AuthCoreClient: Sendable { |
| 20 | public let environment: SmbCloudEnvironment |
| 21 | public let credentials: ClientCredentials |
| 22 | private let http: HTTPTransport |
| 23 | |
| 24 | public init(environment: SmbCloudEnvironment, credentials: ClientCredentials) { |
| 25 | self.environment = environment |
| 26 | self.credentials = credentials |
| 27 | self.http = HTTPTransport() |
| 28 | } |
| 29 | |
| 30 | init( |
| 31 | environment: SmbCloudEnvironment, |
| 32 | credentials: ClientCredentials, |
| 33 | session: URLSession |
| 34 | ) { |
| 35 | self.environment = environment |
| 36 | self.credentials = credentials |
| 37 | self.http = HTTPTransport(session: session) |
| 38 | } |
| 39 | |
| 40 | // MARK: - Email / password (tenant credential flow) |
| 41 | |
| 42 | /// `POST /v1/client/users/sign_in` — mirrors `login_with_client`. |
| 43 | public func login(username: String, password: String) async throws -> AccountStatus { |
| 44 | let url = credentials.tenantURL(environment: environment, path: "v1/client/users/sign_in") |
| 45 | var request = URLRequest(url: url) |
| 46 | request.httpMethod = "POST" |
| 47 | request.setValue("application/json", forHTTPHeaderField: "Content-Type") |
| 48 | request.setValue("application/json", forHTTPHeaderField: "Accept") |
| 49 | request.setValue(credentials.appId, forHTTPHeaderField: "User-agent") |
| 50 | request.httpBody = try JSONEncoder().encode( |
| 51 | UserEnvelope(user: .init(email: username, password: password)) |
| 52 | ) |
| 53 | return try await http.requestLogin(request) |
| 54 | } |
| 55 | |
| 56 | /// `POST /v1/client/users` — mirrors `signup_with_client`. |
| 57 | public func signup(email: String, password: String) async throws -> SignupResult { |
| 58 | let url = credentials.tenantURL(environment: environment, path: "v1/client/users") |
| 59 | var request = URLRequest(url: url) |
| 60 | request.httpMethod = "POST" |
| 61 | request.setValue("application/json", forHTTPHeaderField: "Content-Type") |
| 62 | request.setValue("application/json", forHTTPHeaderField: "Accept") |
| 63 | request.setValue(credentials.appId, forHTTPHeaderField: "User-agent") |
| 64 | request.httpBody = try JSONEncoder().encode( |
| 65 | UserEnvelope(user: .init(email: email, password: password)) |
| 66 | ) |
| 67 | return try await http.requestJSON(request, as: SignupResult.self) |
| 68 | } |
| 69 | |
| 70 | /// `GET /v1/client/me` — mirrors `me_with_client`. |
| 71 | /// |
| 72 | /// `accessToken` is the value returned in ``AccountStatus/ready(accessToken:)`` |
| 73 | /// and is sent verbatim as the `Authorization` header (it already carries |
| 74 | /// the `Bearer ` prefix). |
| 75 | public func me(accessToken: String) async throws -> User { |
| 76 | let url = credentials.tenantURL(environment: environment, path: "v1/client/me") |
| 77 | var request = URLRequest(url: url) |
| 78 | request.httpMethod = "GET" |
| 79 | request.setValue(accessToken, forHTTPHeaderField: "Authorization") |
| 80 | request.setValue("application/json", forHTTPHeaderField: "Accept") |
| 81 | request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type") |
| 82 | return try await http.requestJSON(request, as: User.self) |
| 83 | } |
| 84 | |
| 85 | /// `DELETE /v1/client/users/sign_out` — mirrors `logout_with_client`. |
| 86 | public func logout(accessToken: String) async throws { |
| 87 | let url = credentials.tenantURL(environment: environment, path: "v1/client/users/sign_out") |
| 88 | var request = URLRequest(url: url) |
| 89 | request.httpMethod = "DELETE" |
| 90 | request.setValue(accessToken, forHTTPHeaderField: "Authorization") |
| 91 | request.setValue("application/json", forHTTPHeaderField: "Accept") |
| 92 | request.setValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-Type") |
| 93 | do { |
| 94 | try await http.requestVoid(request) |
| 95 | } catch { |
| 96 | // Mirror the Rust SDK: any non-OK is surfaced as unauthorized. |
| 97 | throw SmbCloudError(code: .unauthorized) |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | /// `DELETE /v1/client/me` — mirrors `remove_with_client`. |
| 102 | public func remove(accessToken: String) async throws { |
| 103 | let url = credentials.tenantURL(environment: environment, path: "v1/client/me") |
| 104 | var request = URLRequest(url: url) |
| 105 | request.httpMethod = "DELETE" |
| 106 | request.setValue(accessToken, forHTTPHeaderField: "Authorization") |
| 107 | request.setValue(credentials.appId, forHTTPHeaderField: "User-agent") |
| 108 | try await http.requestVoid(request) |
| 109 | } |
| 110 | |
| 111 | // MARK: - Account recovery |
| 112 | // |
| 113 | // NOTE: these wrap backend endpoints that the canonical `smbcloud-auth-sdk` |
| 114 | // crate does not expose yet (only the CLI-internal `smbcloud-auth` crate |
| 115 | // does). They're faithful to the backend contract; upstream them to |
| 116 | // `smbcloud-auth-sdk` to restore full cross-binding parity. Each returns the |
| 117 | // server's user-facing message. |
| 118 | |
| 119 | /// `POST /v1/client/users/reset_password` — sends reset instructions. |
| 120 | @discardableResult |
| 121 | public func requestPasswordReset(email: String) async throws -> String { |
| 122 | try await postMessage(path: "v1/client/users/reset_password", body: EmailEnvelope(user: .init(email: email))) |
| 123 | } |
| 124 | |
| 125 | /// `POST /v1/client/users/reset_password/complete` — sets a new password |
| 126 | /// using the token from the reset email. |
| 127 | @discardableResult |
| 128 | public func completePasswordReset( |
| 129 | token: String, |
| 130 | password: String, |
| 131 | passwordConfirmation: String? = nil |
| 132 | ) async throws -> String { |
| 133 | let body = ResetPasswordComplete( |
| 134 | resetPasswordToken: token, |
| 135 | password: password, |
| 136 | passwordConfirmation: passwordConfirmation ?? password |
| 137 | ) |
| 138 | return try await postMessage(path: "v1/client/users/reset_password/complete", body: body) |
| 139 | } |
| 140 | |
| 141 | /// `POST /v1/client/users/resend_confirmation` — re-sends the confirmation email. |
| 142 | @discardableResult |
| 143 | public func resendConfirmation(email: String) async throws -> String { |
| 144 | try await postMessage(path: "v1/client/users/resend_confirmation", body: EmailEnvelope(user: .init(email: email))) |
| 145 | } |
| 146 | |
| 147 | private func postMessage<Body: Encodable>(path: String, body: Body) async throws -> String { |
| 148 | let url = credentials.tenantURL(environment: environment, path: path) |
| 149 | var request = URLRequest(url: url) |
| 150 | request.httpMethod = "POST" |
| 151 | request.setValue("application/json", forHTTPHeaderField: "Content-Type") |
| 152 | request.setValue("application/json", forHTTPHeaderField: "Accept") |
| 153 | request.setValue(credentials.appId, forHTTPHeaderField: "User-agent") |
| 154 | request.httpBody = try JSONEncoder().encode(body) |
| 155 | return try await http.requestJSON(request, as: MessageResponse.self).message |
| 156 | } |
| 157 | |
| 158 | // MARK: - Apple provider (tenant) |
| 159 | |
| 160 | /// Builds the tenant Apple authorization request — mirrors |
| 161 | /// `apple::build_authorization_request_with_client`. |
| 162 | public func buildAppleAuthorizationRequest( |
| 163 | redirectURI: String, |
| 164 | state: String? = nil |
| 165 | ) -> AppleAuthorizationRequest { |
| 166 | let resolvedState = state ?? UUID().uuidString |
| 167 | let url = credentials.tenantURL( |
| 168 | environment: environment, |
| 169 | path: "v1/client/oauth/apple/authorize", |
| 170 | extraQuery: [ |
| 171 | URLQueryItem(name: "redirect_uri", value: redirectURI), |
| 172 | URLQueryItem(name: "state", value: resolvedState), |
| 173 | ] |
| 174 | ) |
| 175 | return AppleAuthorizationRequest( |
| 176 | authorizeURL: url, |
| 177 | redirectURI: redirectURI, |
| 178 | state: resolvedState |
| 179 | ) |
| 180 | } |
| 181 | |
| 182 | /// Parses an Apple callback URL into a session — mirrors `apple::parse_callback_url`. |
| 183 | public func parseAppleCallbackURL( |
| 184 | _ callbackURL: String, |
| 185 | expectedState: String? = nil |
| 186 | ) throws -> AppleAuthSession { |
| 187 | guard let components = URLComponents(string: callbackURL) else { |
| 188 | throw SmbCloudError(code: .parseError, message: "Invalid Apple callback URL.") |
| 189 | } |
| 190 | let items = components.queryItems ?? [] |
| 191 | func value(_ name: String) -> String? { |
| 192 | items.first { $0.name == name }?.value |
| 193 | } |
| 194 | |
| 195 | if let error = value("error") { |
| 196 | throw SmbCloudError(code: .invalidParams, message: error) |
| 197 | } |
| 198 | let state = value("state") |
| 199 | if let expectedState, state != expectedState { |
| 200 | throw SmbCloudError(code: .invalidParams, message: "Apple callback state mismatch.") |
| 201 | } |
| 202 | guard let accessToken = value("access_token") else { |
| 203 | throw SmbCloudError(code: .invalidParams, message: "Missing `access_token` in Apple callback URL.") |
| 204 | } |
| 205 | guard let providerAccountId = value("provider_account_id") else { |
| 206 | throw SmbCloudError(code: .invalidParams, message: "Missing `provider_account_id` in Apple callback URL.") |
| 207 | } |
| 208 | return AppleAuthSession( |
| 209 | accessToken: accessToken, |
| 210 | refreshToken: value("refresh_token"), |
| 211 | email: value("email"), |
| 212 | name: value("name"), |
| 213 | provider: value("provider") ?? "apple", |
| 214 | providerAccountId: providerAccountId, |
| 215 | state: state |
| 216 | ) |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | // MARK: - Request bodies |
| 221 | |
| 222 | private struct UserEnvelope: Encodable { |
| 223 | struct Credentials: Encodable { |
| 224 | let email: String |
| 225 | let password: String |
| 226 | } |
| 227 | let user: Credentials |
| 228 | } |
| 229 | |
| 230 | private struct EmailEnvelope: Encodable { |
| 231 | struct EmailOnly: Encodable { let email: String } |
| 232 | let user: EmailOnly |
| 233 | } |
| 234 | |
| 235 | private struct ResetPasswordComplete: Encodable { |
| 236 | let resetPasswordToken: String |
| 237 | let password: String |
| 238 | let passwordConfirmation: String |
| 239 | |
| 240 | enum CodingKeys: String, CodingKey { |
| 241 | case resetPasswordToken = "reset_password_token" |
| 242 | case password |
| 243 | case passwordConfirmation = "password_confirmation" |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | /// `{ "message": "…" }` — the recovery endpoints' response envelope. |
| 248 | private struct MessageResponse: Decodable { |
| 249 | let message: String |
| 250 | } |