mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
349 lines
14 KiB
Swift
349 lines
14 KiB
Swift
import Foundation
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import Postbox
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import MtProtoKit
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import SwiftSignalKit
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import TelegramApi
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private func roundUp(_ value: Int, to multiple: Int) -> Int {
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if multiple == 0 {
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return value
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}
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let remainder = value % multiple
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if remainder == 0 {
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return value
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}
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return value + multiple - remainder
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}
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enum UploadPartError {
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case generic
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case invalidMedia
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}
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class Download: NSObject, MTRequestMessageServiceDelegate {
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let datacenterId: Int
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let isCdn: Bool
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let context: MTContext
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let mtProto: MTProto
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let requestService: MTRequestMessageService
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private var shouldKeepConnectionDisposable: Disposable?
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init(queue: Queue, datacenterId: Int, isMedia: Bool, isCdn: Bool, context: MTContext, masterDatacenterId: Int, usageInfo: MTNetworkUsageCalculationInfo?, shouldKeepConnection: Signal<Bool, NoError>) {
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self.datacenterId = datacenterId
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self.isCdn = isCdn
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self.context = context
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var requiredAuthToken: Any?
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var authTokenMasterDatacenterId: Int = 0
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if !isCdn && datacenterId != masterDatacenterId {
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authTokenMasterDatacenterId = masterDatacenterId
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requiredAuthToken = Int(datacenterId) as NSNumber
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}
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self.mtProto = MTProto(context: self.context, datacenterId: datacenterId, usageCalculationInfo: usageInfo, requiredAuthToken: requiredAuthToken, authTokenMasterDatacenterId: authTokenMasterDatacenterId)
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self.mtProto.cdn = isCdn
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self.mtProto.useTempAuthKeys = self.context.useTempAuthKeys && !isCdn
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self.mtProto.media = isMedia
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self.requestService = MTRequestMessageService(context: self.context)
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self.requestService.forceBackgroundRequests = true
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super.init()
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self.requestService.delegate = self
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self.mtProto.add(self.requestService)
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let mtProto = self.mtProto
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self.shouldKeepConnectionDisposable = (shouldKeepConnection |> distinctUntilChanged |> deliverOn(queue)).start(next: { [weak mtProto] value in
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if let mtProto = mtProto {
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if value {
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Logger.shared.log("Network", "Resume worker network connection")
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mtProto.resume()
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} else {
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Logger.shared.log("Network", "Pause worker network connection")
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mtProto.pause()
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}
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}
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})
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}
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deinit {
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self.mtProto.remove(self.requestService)
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self.mtProto.stop()
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self.mtProto.finalizeSession()
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self.shouldKeepConnectionDisposable?.dispose()
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}
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func requestMessageServiceAuthorizationRequired(_ requestMessageService: MTRequestMessageService!) {
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self.context.updateAuthTokenForDatacenter(withId: self.datacenterId, authToken: nil)
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self.context.authTokenForDatacenter(withIdRequired: self.datacenterId, authToken:self.mtProto.requiredAuthToken, masterDatacenterId: self.mtProto.authTokenMasterDatacenterId)
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}
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static func uploadPart(multiplexedManager: MultiplexedRequestManager, datacenterId: Int, consumerId: Int64, tag: MediaResourceFetchTag?, fileId: Int64, index: Int, data: Data, asBigPart: Bool, bigTotalParts: Int? = nil) -> Signal<Void, UploadPartError> {
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let saveFilePart: (FunctionDescription, Buffer, DeserializeFunctionResponse<Api.Bool>)
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if asBigPart {
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let totalParts: Int32
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if let bigTotalParts = bigTotalParts {
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totalParts = Int32(bigTotalParts)
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} else {
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totalParts = -1
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}
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saveFilePart = Api.functions.upload.saveBigFilePart(fileId: fileId, filePart: Int32(index), fileTotalParts: totalParts, bytes: Buffer(data: data))
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} else {
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saveFilePart = Api.functions.upload.saveFilePart(fileId: fileId, filePart: Int32(index), bytes: Buffer(data: data))
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}
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return multiplexedManager.request(to: .main(datacenterId), consumerId: consumerId, data: saveFilePart, tag: tag, continueInBackground: true)
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|> mapError { error -> UploadPartError in
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if error.errorCode == 400 {
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return .invalidMedia
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} else {
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return .generic
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}
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}
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|> mapToSignal { _ -> Signal<Void, UploadPartError> in
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return .complete()
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}
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}
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func uploadPart(fileId: Int64, index: Int, data: Data, asBigPart: Bool, bigTotalParts: Int? = nil) -> Signal<Void, UploadPartError> {
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return Signal<Void, MTRpcError> { subscriber in
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let request = MTRequest()
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let saveFilePart: (FunctionDescription, Buffer, DeserializeFunctionResponse<Api.Bool>)
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if asBigPart {
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let totalParts: Int32
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if let bigTotalParts = bigTotalParts {
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totalParts = Int32(bigTotalParts)
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} else {
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totalParts = -1
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}
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saveFilePart = Api.functions.upload.saveBigFilePart(fileId: fileId, filePart: Int32(index), fileTotalParts: totalParts, bytes: Buffer(data: data))
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} else {
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saveFilePart = Api.functions.upload.saveFilePart(fileId: fileId, filePart: Int32(index), bytes: Buffer(data: data))
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}
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request.setPayload(saveFilePart.1.makeData() as Data, metadata: WrappedRequestMetadata(metadata: WrappedFunctionDescription(saveFilePart.0), tag: nil), shortMetadata: WrappedRequestShortMetadata(shortMetadata: WrappedShortFunctionDescription(saveFilePart.0)), responseParser: { response in
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if let result = saveFilePart.2.parse(Buffer(data: response)) {
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return BoxedMessage(result)
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}
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return nil
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})
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request.dependsOnPasswordEntry = false
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request.shouldContinueExecutionWithErrorContext = { errorContext in
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return true
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}
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request.completed = { (boxedResponse, timestamp, error) -> () in
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if let error = error {
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subscriber.putError(error)
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} else {
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subscriber.putCompletion()
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}
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}
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let internalId: Any! = request.internalId
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self.requestService.add(request)
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return ActionDisposable {
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self.requestService.removeRequest(byInternalId: internalId)
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}
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} |> `catch` { value -> Signal<Void, UploadPartError> in
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if value.errorCode == 400 {
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return .fail(.invalidMedia)
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} else {
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return .fail(.generic)
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}
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}
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}
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func webFilePart(location: Api.InputWebFileLocation, offset: Int, length: Int) -> Signal<Data, NoError> {
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return Signal<Data, MTRpcError> { subscriber in
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let request = MTRequest()
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var updatedLength = roundUp(length, to: 4096)
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while updatedLength % 4096 != 0 || 1048576 % updatedLength != 0 {
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updatedLength += 1
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}
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let data = Api.functions.upload.getWebFile(location: location, offset: Int32(offset), limit: Int32(updatedLength))
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request.setPayload(data.1.makeData() as Data, metadata: WrappedRequestMetadata(metadata: WrappedFunctionDescription(data.0), tag: nil), shortMetadata: WrappedRequestShortMetadata(shortMetadata: WrappedFunctionDescription(data.0)), responseParser: { response in
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if let result = data.2.parse(Buffer(data: response)) {
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return BoxedMessage(result)
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}
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return nil
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})
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request.dependsOnPasswordEntry = false
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request.shouldContinueExecutionWithErrorContext = { errorContext in
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return true
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}
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request.completed = { (boxedResponse, timestamp, error) -> () in
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if let error = error {
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subscriber.putError(error)
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} else {
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if let result = (boxedResponse as! BoxedMessage).body as? Api.upload.WebFile {
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switch result {
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case .webFile(_, _, _, _, let bytes):
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subscriber.putNext(bytes.makeData())
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}
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subscriber.putCompletion()
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}
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else {
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subscriber.putError(MTRpcError(errorCode: 500, errorDescription: "TL_VERIFICATION_ERROR"))
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}
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}
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}
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let internalId: Any! = request.internalId
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self.requestService.add(request)
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return ActionDisposable {
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self.requestService.removeRequest(byInternalId: internalId)
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}
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} |> retryRequest
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}
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func part(location: Api.InputFileLocation, offset: Int, length: Int) -> Signal<Data, NoError> {
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return Signal<Data, MTRpcError> { subscriber in
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let request = MTRequest()
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var updatedLength = roundUp(length, to: 4096)
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while updatedLength % 4096 != 0 || 1048576 % updatedLength != 0 {
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updatedLength += 1
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}
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let data = Api.functions.upload.getFile(flags: 0, location: location, offset: Int32(offset), limit: Int32(updatedLength))
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request.setPayload(data.1.makeData() as Data, metadata: WrappedRequestMetadata(metadata: WrappedFunctionDescription(data.0), tag: nil), shortMetadata: WrappedRequestShortMetadata(shortMetadata: WrappedShortFunctionDescription(data.0)), responseParser: { response in
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if let result = data.2.parse(Buffer(data: response)) {
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return BoxedMessage(result)
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}
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return nil
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})
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request.dependsOnPasswordEntry = false
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request.shouldContinueExecutionWithErrorContext = { errorContext in
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return true
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}
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request.completed = { (boxedResponse, timestamp, error) -> () in
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if let error = error {
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subscriber.putError(error)
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} else {
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if let result = (boxedResponse as! BoxedMessage).body as? Api.upload.File {
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switch result {
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case let .file(_, _, bytes):
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subscriber.putNext(bytes.makeData())
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case .fileCdnRedirect:
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break
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}
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subscriber.putCompletion()
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}
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else {
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subscriber.putError(MTRpcError(errorCode: 500, errorDescription: "TL_VERIFICATION_ERROR"))
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}
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}
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}
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let internalId: Any! = request.internalId
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self.requestService.add(request)
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return ActionDisposable {
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self.requestService.removeRequest(byInternalId: internalId)
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}
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}
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|> retryRequest
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}
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func request<T>(_ data: (FunctionDescription, Buffer, DeserializeFunctionResponse<T>)) -> Signal<T, MTRpcError> {
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return Signal { subscriber in
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let request = MTRequest()
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request.setPayload(data.1.makeData() as Data, metadata: WrappedRequestMetadata(metadata: WrappedFunctionDescription(data.0), tag: nil), shortMetadata: WrappedRequestShortMetadata(shortMetadata: WrappedShortFunctionDescription(data.0)), responseParser: { response in
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if let result = data.2.parse(Buffer(data: response)) {
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return BoxedMessage(result)
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}
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return nil
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})
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request.dependsOnPasswordEntry = false
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request.shouldContinueExecutionWithErrorContext = { errorContext in
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return true
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}
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request.completed = { (boxedResponse, timestamp, error) -> () in
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if let error = error {
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subscriber.putError(error)
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} else {
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if let result = (boxedResponse as! BoxedMessage).body as? T {
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subscriber.putNext(result)
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subscriber.putCompletion()
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}
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else {
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subscriber.putError(MTRpcError(errorCode: 500, errorDescription: "TL_VERIFICATION_ERROR"))
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}
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}
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}
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let internalId: Any! = request.internalId
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self.requestService.add(request)
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return ActionDisposable {
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self.requestService.removeRequest(byInternalId: internalId)
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}
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}
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}
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func rawRequest(_ data: (FunctionDescription, Buffer, (Buffer) -> Any?)) -> Signal<Any, MTRpcError> {
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let requestService = self.requestService
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return Signal { subscriber in
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let request = MTRequest()
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request.setPayload(data.1.makeData() as Data, metadata: WrappedRequestMetadata(metadata: WrappedFunctionDescription(data.0), tag: nil), shortMetadata: WrappedRequestShortMetadata(shortMetadata: WrappedShortFunctionDescription(data.0)), responseParser: { response in
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if let result = data.2(Buffer(data: response)) {
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return BoxedMessage(result)
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}
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return nil
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})
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request.dependsOnPasswordEntry = false
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request.shouldContinueExecutionWithErrorContext = { errorContext in
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return true
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}
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request.completed = { (boxedResponse, timestamp, error) -> () in
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if let error = error {
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subscriber.putError(error)
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} else {
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subscriber.putNext((boxedResponse as! BoxedMessage).body)
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subscriber.putCompletion()
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}
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}
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let internalId: Any! = request.internalId
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requestService.add(request)
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return ActionDisposable { [weak requestService] in
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requestService?.removeRequest(byInternalId: internalId)
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}
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}
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}
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}
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