86 lines
3.1 KiB
Swift
86 lines
3.1 KiB
Swift
//
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// Copyright 2018 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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import Foundation
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public import LibSignalClient
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// A class used for making HTTP requests against the main service.
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public class NetworkManager {
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private let restNetworkManager = RESTNetworkManager()
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private let reachabilityDidChangeObserver: Task<Void, Never>?
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public let libsignalNet: Net?
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public init(libsignalNet: Net?) {
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self.libsignalNet = libsignalNet
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if let libsignalNet {
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self.reachabilityDidChangeObserver = Task {
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for await _ in NotificationCenter.default.notifications(named: SSKReachability.owsReachabilityDidChange) {
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do {
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try libsignalNet.networkDidChange()
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} catch {
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owsFailDebug("error notify libsignal of network change: \(error)")
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}
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}
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}
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} else {
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self.reachabilityDidChangeObserver = nil
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}
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SwiftSingletons.register(self)
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}
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deinit {
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if let reachabilityDidChangeObserver {
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reachabilityDidChangeObserver.cancel()
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}
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}
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public func asyncRequest(_ request: TSRequest, canUseWebSocket: Bool = false) async throws -> HTTPResponse {
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if canUseWebSocket && OWSChatConnection.canAppUseSocketsToMakeRequests {
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return try await DependenciesBridge.shared.chatConnectionManager.makeRequest(request)
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} else {
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return try await restNetworkManager.asyncRequest(request)
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}
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}
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/// Deprecated. Please use ``asyncRequest(_:canUseWebSocket:)``.
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public func makePromise(request: TSRequest, canUseWebSocket: Bool = false) -> Promise<HTTPResponse> {
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// Try the web socket first if it's allowed for this request.
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let useWebSocket = canUseWebSocket && OWSChatConnection.canAppUseSocketsToMakeRequests
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return useWebSocket ? websocketRequestPromise(request: request) : restRequestPromise(request: request)
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}
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private func restRequestPromise(request: TSRequest) -> Promise<HTTPResponse> {
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restNetworkManager.makePromise(request: request)
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}
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private func websocketRequestPromise(request: TSRequest) -> Promise<HTTPResponse> {
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Promise.wrapAsync {
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try await DependenciesBridge.shared.chatConnectionManager.makeRequest(request)
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}
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}
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}
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// MARK: -
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#if TESTABLE_BUILD
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public class OWSFakeNetworkManager: NetworkManager {
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public override func asyncRequest(_ request: TSRequest, canUseWebSocket: Bool = false) async throws -> any HTTPResponse {
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Logger.info("Ignoring request: \(request)")
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// Never resolve.
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return try await withUnsafeThrowingContinuation { (_ continuation: UnsafeContinuation<any HTTPResponse, any Error>) -> Void in }
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}
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public override func makePromise(request: TSRequest, canUseWebSocket: Bool = false) -> Promise<HTTPResponse> {
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Logger.info("Ignoring request: \(request)")
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// Never resolve.
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let (promise, _) = Promise<HTTPResponse>.pending()
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return promise
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}
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}
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#endif
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