235 lines
8.2 KiB
Swift
235 lines
8.2 KiB
Swift
// ── Platform HTTP Client ─────────────────────────────────────
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// Generic URLSession wrapper with auth header injection, x-request-id,
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// timeout, and product ID header. Used by all BL* services.
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import Foundation
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public final class BLPlatformClient: @unchecked Sendable {
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public let config: BLPlatformConfig
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private let session: URLSession
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private let encoder: JSONEncoder
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private let decoder: JSONDecoder
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/// Auth token injected by BLAuthClient after login/refresh.
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private var _authToken: String?
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private let tokenLock = NSLock()
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public var authToken: String? {
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get { tokenLock.lock(); defer { tokenLock.unlock() }; return _authToken }
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set { tokenLock.lock(); defer { tokenLock.unlock() }; _authToken = newValue }
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}
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public init(config: BLPlatformConfig, timeoutSeconds: TimeInterval = 15) {
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self.config = config
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let urlConfig = URLSessionConfiguration.default
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urlConfig.timeoutIntervalForRequest = timeoutSeconds
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urlConfig.waitsForConnectivity = true
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session = URLSession(configuration: urlConfig)
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encoder = JSONEncoder()
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encoder.dateEncodingStrategy = .iso8601
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decoder = JSONDecoder()
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decoder.dateDecodingStrategy = .iso8601
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}
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/// Test-only initializer accepting a custom URLSessionConfiguration
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/// so callers can inject MockURLProtocol for intercepting requests.
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public init(config: BLPlatformConfig, sessionConfiguration: URLSessionConfiguration) {
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self.config = config
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session = URLSession(configuration: sessionConfiguration)
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encoder = JSONEncoder()
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encoder.dateEncodingStrategy = .iso8601
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decoder = JSONDecoder()
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decoder.dateDecodingStrategy = .iso8601
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}
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// MARK: - Public Request Methods
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/// Perform an authenticated request and decode the response.
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public func request<T: Decodable>(
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path: String,
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method: String = "GET",
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body: (any Encodable)? = nil,
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responseType: T.Type
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) async throws -> T {
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let (data, _) = try await rawRequest(path: path, method: method, body: body)
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return try decoder.decode(T.self, from: data)
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}
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/// Perform an authenticated request, returning raw (Data, HTTPURLResponse).
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public func rawRequest(
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path: String,
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method: String = "GET",
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body: (any Encodable)? = nil
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) async throws -> (Data, HTTPURLResponse) {
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guard let url = URL(string: "\(config.baseURL)\(path)") else {
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throw BLNetworkError.invalidURL(path)
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}
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var request = URLRequest(url: url)
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request.httpMethod = method
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request.setValue("application/json", forHTTPHeaderField: "Content-Type")
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request.setValue(config.productId, forHTTPHeaderField: "X-Product-Id")
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request.setValue(UUID().uuidString, forHTTPHeaderField: "X-Request-Id")
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if let token = authToken {
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request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
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}
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if let body {
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request.httpBody = try encoder.encode(body)
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}
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let (data, response) = try await session.data(for: request)
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guard let http = response as? HTTPURLResponse else {
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throw BLNetworkError.invalidResponse
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}
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guard (200...299).contains(http.statusCode) else {
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// Try to extract server error message
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let message: String? = {
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if let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
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let msg = json["message"] as? String { return msg }
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return nil
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}()
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throw BLNetworkError.httpError(statusCode: http.statusCode, message: message)
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}
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return (data, http)
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}
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/// Perform an authenticated request with pre-encoded JSON body data.
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/// Used by passkey methods that need to send raw JSON (e.g. from JSONSerialization).
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public func rawRequest(
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path: String,
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method: String = "GET",
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rawBody: Data? = nil
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) async throws -> (Data, HTTPURLResponse) {
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guard let url = URL(string: "\(config.baseURL)\(path)") else {
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throw BLNetworkError.invalidURL(path)
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}
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var request = URLRequest(url: url)
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request.httpMethod = method
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request.setValue("application/json", forHTTPHeaderField: "Content-Type")
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request.setValue(config.productId, forHTTPHeaderField: "X-Product-Id")
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request.setValue(UUID().uuidString, forHTTPHeaderField: "X-Request-Id")
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if let token = authToken {
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request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
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}
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request.httpBody = rawBody
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let (data, response) = try await session.data(for: request)
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guard let http = response as? HTTPURLResponse else {
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throw BLNetworkError.invalidResponse
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}
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guard (200...299).contains(http.statusCode) else {
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let message: String? = {
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if let json = try? JSONSerialization.jsonObject(with: data) as? [String: Any],
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let msg = json["message"] as? String { return msg }
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return nil
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}()
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throw BLNetworkError.httpError(statusCode: http.statusCode, message: message)
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}
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return (data, http)
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}
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/// Fire-and-forget POST (used by telemetry — errors silently ignored).
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public func fireAndForget(path: String, body: Data) {
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guard let url = URL(string: "\(config.baseURL)\(path)") else { return }
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var request = URLRequest(url: url)
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request.httpMethod = "POST"
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request.httpBody = body
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request.setValue("application/json", forHTTPHeaderField: "Content-Type")
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request.setValue(config.productId, forHTTPHeaderField: "X-Product-Id")
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request.setValue(UUID().uuidString, forHTTPHeaderField: "X-Request-Id")
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request.timeoutInterval = 10
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if let token = authToken {
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request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
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}
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session.dataTask(with: request) { _, _, _ in }.resume()
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}
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// MARK: - Request Builder
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/// Build an authenticated URLRequest (used by BLBroadcastClient, BLSurveyClient).
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public func buildRequest(
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path: String,
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method: String = "GET",
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body: [String: Any]? = nil
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) throws -> URLRequest {
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guard let url = URL(string: "\(config.baseURL)\(path)") else {
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throw BLNetworkError.invalidURL(path)
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}
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var request = URLRequest(url: url)
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request.httpMethod = method
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request.setValue("application/json", forHTTPHeaderField: "Content-Type")
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request.setValue(config.productId, forHTTPHeaderField: "X-Product-Id")
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request.setValue(UUID().uuidString, forHTTPHeaderField: "X-Request-Id")
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if let token = authToken {
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request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
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}
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if let body {
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request.httpBody = try JSONSerialization.data(withJSONObject: body)
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}
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return request
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}
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// MARK: - Encoder/Decoder Access
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public var jsonEncoder: JSONEncoder { encoder }
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public var jsonDecoder: JSONDecoder { decoder }
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}
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// MARK: - Errors
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/// Legacy alias used by BLBroadcastClient, BLSurveyClient, BLDeepLinkRouter.
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public enum BLPlatformError: LocalizedError {
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case requestFailed(String)
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public var errorDescription: String? {
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switch self {
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case .requestFailed(let msg): return msg
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}
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}
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}
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public enum BLNetworkError: LocalizedError {
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case invalidURL(String)
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case invalidResponse
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case httpError(statusCode: Int, message: String?)
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case notAuthenticated
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public var errorDescription: String? {
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switch self {
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case .invalidURL(let path): return "Invalid URL: \(path)"
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case .invalidResponse: return "Invalid server response"
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case .httpError(let code, let msg): return msg ?? "Server error (\(code))"
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case .notAuthenticated: return "Not signed in"
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}
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}
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public var statusCode: Int? {
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if case .httpError(let code, _) = self { return code }
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return nil
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}
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}
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