| /* |
| * Copyright (C) 2021-2022 Savoir-faire Linux Inc. |
| * |
| * Author: Kateryna Kostiuk <kateryna.kostiuk@savoirfairelinux.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| import Foundation |
| import UIKit |
| import MobileCoreServices |
| import Photos |
| import os |
| |
| class AdapterService { |
| enum InteractionAttributes: String { |
| case interactionId = "id" |
| case type = "type" |
| case invited = "invited" |
| case fileId = "fileId" |
| case displayName = "displayName" |
| case body = "body" |
| case author = "author" |
| case timestamp = "timestamp" |
| case parent = "linearizedParent" |
| case action = "action" |
| case duration = "duration" |
| } |
| |
| enum InteractionType: String { |
| case message = "text/plain" |
| case fileTransfer = "application/data-transfer+json" |
| } |
| |
| enum EventType: Int { |
| case message |
| case fileTransferDone |
| case fileTransferInProgress |
| case syncCompleted |
| case conversationCloned |
| case invitation |
| } |
| |
| enum PeerConnectionRequestType { |
| case call(peerId: String, isVideo: Bool) |
| case gitMessage |
| case clone |
| case unknown |
| } |
| |
| enum DataTransferEventCode: Int { |
| case invalid |
| case created |
| case unsupported |
| case waitPeeracceptance |
| case waitHostAcceptance |
| case ongoing |
| case finished |
| case closedByHost |
| case closedByPeer |
| case invalidPathname |
| case unjoinablePeer |
| |
| func isCompleted() -> Bool { |
| switch self { |
| case .finished, .closedByHost, .closedByPeer, .unjoinablePeer, .invalidPathname: |
| return true |
| default: |
| return false |
| } |
| } |
| } |
| |
| private let maxSizeForAutoaccept = 20 * 1024 * 1024 |
| |
| private var adapter: Adapter! |
| var eventHandler: ((EventType, EventData) -> Void)? |
| var loadingFiles = [String: EventData]() |
| |
| init(withAdapter adapter: Adapter) { |
| self.adapter = adapter |
| Adapter.delegate = self |
| } |
| |
| func startAccountsWithListener(accountId: String, listener: @escaping (EventType, EventData) -> Void) { |
| self.eventHandler = listener |
| start(accountId: accountId) |
| } |
| |
| func startAccount(accountId: String) { |
| start(accountId: accountId) |
| } |
| |
| func pushNotificationReceived(accountId: String, data: [String: String]) { |
| self.adapter.pushNotificationReceived(accountId, message: data) |
| } |
| |
| func decrypt(keyPath: String, accountId: String, messagesPath: String, value: [String: Any]) -> PeerConnectionRequestType { |
| let result = adapter.decrypt(keyPath, accountId: accountId, treated: messagesPath, value: value) |
| guard let peerId = result?.keys.first, |
| let type = result?.values.first else { |
| return .unknown} |
| switch type { |
| case "videoCall": |
| return PeerConnectionRequestType.call(peerId: peerId, isVideo: true) |
| case "audioCall": |
| return PeerConnectionRequestType.call(peerId: peerId, isVideo: false) |
| case "text/plain", "application/im-gitmessage-id": |
| return PeerConnectionRequestType.gitMessage |
| case "application/clone": |
| return PeerConnectionRequestType.clone |
| default: |
| return .unknown |
| } |
| } |
| |
| func start(accountId: String) { |
| self.adapter.start(accountId) |
| } |
| |
| func removeDelegate() { |
| Adapter.delegate = nil |
| self.adapter = nil |
| } |
| |
| func stop() { |
| self.adapter.stop() |
| removeDelegate() |
| } |
| |
| func getNameFor(address: String, accountId: String) -> String { |
| return adapter.getNameFor(address, accountId: accountId) |
| } |
| |
| func getNameServerFor(accountId: String) -> String { |
| return adapter.nameServer(forAccountId: accountId) |
| } |
| |
| private func fileAlreadyDownloaded(fileName: String, accountId: String, conversationId: String) -> Bool { |
| guard let url = getFileUrlFor(fileName: fileName, accountId: accountId, conversationId: conversationId) else { |
| return false |
| } |
| return FileManager.default.fileExists(atPath: url.path) |
| } |
| |
| private func getFileUrlFor(fileName: String, accountId: String, conversationId: String) -> URL? { |
| guard let documentsURL = Constants.documentsPath else { |
| return nil |
| } |
| let pathUrl = documentsURL.appendingPathComponent(accountId) |
| .appendingPathComponent("conversation_data") |
| .appendingPathComponent(conversationId) |
| .appendingPathComponent(fileName) |
| return pathUrl |
| } |
| } |
| |
| extension AdapterService: AdapterDelegate { |
| |
| func didReceiveMessage(_ message: [String: String], |
| from senderAccount: String, |
| messageId: String, |
| to receiverAccountId: String) { |
| guard let content = message["text/plain"], |
| let handler = self.eventHandler else { return } |
| handler(.message, EventData(accountId: receiverAccountId, jamiId: senderAccount, conversationId: "", content: content, groupTitle: "")) |
| } |
| |
| func dataTransferEvent(withFileId transferId: String, withEventCode eventCode: Int, accountId: String, conversationId: String, interactionId: String) { |
| guard let handler = self.eventHandler, |
| let data = loadingFiles[transferId], |
| let code = DataTransferEventCode(rawValue: eventCode), |
| code.isCompleted() else { return } |
| handler(.fileTransferDone, data) |
| loadingFiles.removeValue(forKey: transferId) |
| } |
| |
| func conversationSyncCompleted(accountId: String) { |
| guard let handler = self.eventHandler else { |
| return |
| } |
| handler(.syncCompleted, EventData(accountId: accountId)) |
| } |
| |
| func conversationCloned(accountId: String) { |
| guard let handler = self.eventHandler else { |
| return |
| } |
| handler(.conversationCloned, EventData(accountId: accountId)) |
| } |
| |
| func receivedConversationRequest(accountId: String, conversationId: String, metadata: [String: String]) { |
| guard let handler = self.eventHandler else { |
| return |
| } |
| let contentMessage = L10n.Conversation.incomingRequest |
| var groupTitle = "" |
| var peerId = "" |
| if let title = metadata["title"], !title.isEmpty { |
| groupTitle = title |
| } |
| if let from = metadata["from"] { |
| peerId = from |
| } |
| if !peerId.isEmpty || !groupTitle.isEmpty { |
| handler(.invitation, EventData(accountId: accountId, jamiId: peerId, conversationId: conversationId, content: contentMessage, groupTitle: groupTitle)) |
| } |
| } |
| |
| func newInteraction(conversationId: String, accountId: String, message: [String: String]) { |
| guard let handler = self.eventHandler else { |
| return |
| } |
| guard let type = message[InteractionAttributes.type.rawValue], |
| let interactionType = InteractionType(rawValue: type) else { |
| return |
| } |
| let from = message[InteractionAttributes.author.rawValue] ?? "" |
| let content = message[InteractionAttributes.body.rawValue] ?? "" |
| switch interactionType { |
| case .message: |
| handler(.message, EventData(accountId: accountId, jamiId: from, conversationId: conversationId, content: content, groupTitle: "")) |
| case.fileTransfer: |
| guard let fileId = message[InteractionAttributes.fileId.rawValue], |
| let url = self.getFileUrlFor(fileName: fileId, accountId: accountId, conversationId: conversationId) else { |
| return |
| } |
| let data = EventData(accountId: accountId, jamiId: from, conversationId: conversationId, content: url.path, groupTitle: "") |
| // check if the file has already been downloaded. If no, download the file if filesize is less than a downloading limit |
| if fileAlreadyDownloaded(fileName: fileId, accountId: accountId, conversationId: conversationId) { |
| handler(.fileTransferDone, data) |
| } else { |
| guard let interactionId = message[InteractionAttributes.interactionId.rawValue], |
| let size = message["totalSize"], |
| (Int(size) ?? (maxSizeForAutoaccept + 1)) <= maxSizeForAutoaccept else { return } |
| let path = "" |
| self.adapter.downloadFile(withFileId: fileId, accountId: accountId, conversationId: conversationId, interactionId: interactionId, withFilePath: path) |
| self.loadingFiles[fileId] = data |
| handler(.fileTransferInProgress, data) |
| } |
| } |
| } |
| } |