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@ -10,39 +10,12 @@ public final class LokiStorageAPI : LokiDotNetAPI {
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private static let server = "https://file.lokinet.org"
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// #endif
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private static let deviceLinkType = "network.loki.messenger.devicemapping"
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private static let attachmentType = "network.loki"
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// MARK: Database
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override internal class var authTokenCollection: String { return "LokiStorageAuthTokenCollection" }
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// MARK: Public API
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/// Adds the given device link to the user's device mapping on the server.
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public static func addDeviceLink(_ deviceLink: DeviceLink) -> Promise<Void> {
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var deviceLinks: Set<DeviceLink> = []
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storage.dbReadConnection.read { transaction in
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deviceLinks = storage.getDeviceLinks(for: userHexEncodedPublicKey, in: transaction)
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}
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deviceLinks.insert(deviceLink)
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return setDeviceLinks(deviceLinks).map {
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storage.dbReadWriteConnection.readWrite { transaction in
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storage.addDeviceLink(deviceLink, in: transaction)
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}
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}
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}
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/// Removes the given device link from the user's device mapping on the server.
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public static func removeDeviceLink(_ deviceLink: DeviceLink) -> Promise<Void> {
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var deviceLinks: Set<DeviceLink> = []
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storage.dbReadConnection.read { transaction in
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deviceLinks = storage.getDeviceLinks(for: userHexEncodedPublicKey, in: transaction)
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}
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deviceLinks.remove(deviceLink)
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return setDeviceLinks(deviceLinks).map {
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storage.dbReadWriteConnection.readWrite { transaction in
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storage.removeDeviceLink(deviceLink, in: transaction)
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}
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}
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}
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// MARK: Device Links (Public API)
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/// Gets the device links associated with the given hex encoded public key from the
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/// server and stores and returns the valid ones.
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public static func getDeviceLinks(associatedWith hexEncodedPublicKey: String) -> Promise<Set<DeviceLink>> {
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@ -99,14 +72,7 @@ public final class LokiStorageAPI : LokiDotNetAPI {
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}
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}
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}
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// MARK: Public API (Obj-C)
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@objc(getDeviceLinksAssociatedWith:)
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public static func objc_getDeviceLinks(associatedWith hexEncodedPublicKey: String) -> AnyPromise {
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return AnyPromise.from(getDeviceLinks(associatedWith: hexEncodedPublicKey))
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}
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// MARK: Private API
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public static func setDeviceLinks(_ deviceLinks: Set<DeviceLink>) -> Promise<Void> {
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print("[Loki] Updating device links.")
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return getAuthToken(for: server).then { token -> Promise<Void> in
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@ -124,4 +90,112 @@ public final class LokiStorageAPI : LokiDotNetAPI {
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}
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}
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}
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/// Adds the given device link to the user's device mapping on the server.
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public static func addDeviceLink(_ deviceLink: DeviceLink) -> Promise<Void> {
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var deviceLinks: Set<DeviceLink> = []
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storage.dbReadConnection.read { transaction in
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deviceLinks = storage.getDeviceLinks(for: userHexEncodedPublicKey, in: transaction)
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}
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deviceLinks.insert(deviceLink)
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return setDeviceLinks(deviceLinks).map {
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storage.dbReadWriteConnection.readWrite { transaction in
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storage.addDeviceLink(deviceLink, in: transaction)
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}
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}
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}
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/// Removes the given device link from the user's device mapping on the server.
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public static func removeDeviceLink(_ deviceLink: DeviceLink) -> Promise<Void> {
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var deviceLinks: Set<DeviceLink> = []
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storage.dbReadConnection.read { transaction in
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deviceLinks = storage.getDeviceLinks(for: userHexEncodedPublicKey, in: transaction)
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}
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deviceLinks.remove(deviceLink)
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return setDeviceLinks(deviceLinks).map {
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storage.dbReadWriteConnection.readWrite { transaction in
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storage.removeDeviceLink(deviceLink, in: transaction)
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}
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}
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}
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// MARK: Device Links (Public Obj-C API)
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@objc(getDeviceLinksAssociatedWith:)
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public static func objc_getDeviceLinks(associatedWith hexEncodedPublicKey: String) -> AnyPromise {
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return AnyPromise.from(getDeviceLinks(associatedWith: hexEncodedPublicKey))
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}
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// MARK: Attachments (Public API)
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public static func uploadAttachment(_ attachment: TSAttachmentStream, attachmentID: String) -> Promise<Void> {
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return Promise<Void>() { seal in
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getAuthToken(for: server).done { token in
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// Encrypt the attachment
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guard let unencryptedAttachmentData = try? attachment.readDataFromFile() else {
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print("[Loki] Couldn't read attachment data from disk.")
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return seal.reject(Error.generic)
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}
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var encryptionKey = NSData()
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var digest = NSData()
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guard let encryptedAttachmentData = Cryptography.encryptAttachmentData(unencryptedAttachmentData, outKey: &encryptionKey, outDigest: &digest) else {
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print("[Loki] Couldn't encrypt attachment.")
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return seal.reject(Error.encryptionFailed)
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}
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attachment.encryptionKey = encryptionKey as Data
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attachment.digest = digest as Data
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// Create the request
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let url = "\(server)/files"
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let parameters: JSON = [ "type" : attachmentType, "Content-Type" : "application/binary" ]
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var error: NSError?
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var request = AFHTTPRequestSerializer().multipartFormRequest(withMethod: "POST", urlString: url, parameters: parameters, constructingBodyWith: { formData in
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formData.appendPart(withFileData: encryptedAttachmentData, name: "content", fileName: UUID().uuidString, mimeType: "application/binary")
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}, error: &error)
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request.addValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
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if let error = error {
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print("[Loki] Couldn't upload attachment due to error: \(error).")
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throw error
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}
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// Send the request
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let task = AFURLSessionManager(sessionConfiguration: .default).uploadTask(withStreamedRequest: request as URLRequest, progress: { rawProgress in
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// Broadcast progress updates
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let progress = max(0.1, rawProgress.fractionCompleted)
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let userInfo: [String:Any] = [ kAttachmentUploadProgressKey : progress, kAttachmentUploadAttachmentIDKey : attachmentID ]
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DispatchQueue.main.async {
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NotificationCenter.default.post(name: .attachmentUploadProgress, object: nil, userInfo: userInfo)
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}
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}, completionHandler: { response, responseObject, error in
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if let error = error {
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print("[Loki] Couldn't upload attachment due to error: \(error).")
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return seal.reject(error)
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}
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let statusCode = (response as! HTTPURLResponse).statusCode
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let isSuccessful = (200...299) ~= statusCode
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guard isSuccessful else {
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print("[Loki] Couldn't upload attachment.")
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return seal.reject(Error.generic)
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}
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// Parse the server ID & download URL
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guard let json = responseObject as? JSON, let data = json["data"] as? JSON, let serverID = data["id"] as? UInt64, let downloadURL = data["url"] as? String else {
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print("[Loki] Couldn't parse attachment from: \(responseObject).")
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return seal.reject(Error.parsingFailed)
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}
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// Update the attachment
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attachment.serverId = serverID
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attachment.isUploaded = true
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attachment.downloadURL = downloadURL
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attachment.save()
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return seal.fulfill(())
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})
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task.resume()
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}.catch { error in
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print("[Loki] Couldn't upload attachment.")
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seal.reject(error)
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}
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}
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}
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// MARK: Attachments (Public Obj-C API)
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@objc(uploadAttachment:withID:)
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public static func objc_uploadAttachment(_ attachment: TSAttachmentStream, attachmentID: String) -> AnyPromise {
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return AnyPromise.from(uploadAttachment(attachment, attachmentID: attachmentID))
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}
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}
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gmbnt
6 years ago
committed by
GitHub