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99 lines
3.9 KiB
Swift
99 lines
3.9 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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import GRDB
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import PromiseKit
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import SignalCoreKit
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import SessionUtilitiesKit
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public enum AttachmentUploadJob: JobExecutor {
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public static var maxFailureCount: Int = 10
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public static var requiresThreadId: Bool = true
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public static let requiresInteractionId: Bool = true
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public static func run(
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_ job: Job,
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queue: DispatchQueue,
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success: @escaping (Job, Bool) -> (),
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failure: @escaping (Job, Error?, Bool) -> (),
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deferred: @escaping (Job) -> ()
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) {
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guard
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let threadId: String = job.threadId,
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let detailsData: Data = job.details,
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let details: Details = try? JSONDecoder().decode(Details.self, from: detailsData),
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let (attachment, openGroup): (Attachment, OpenGroup?) = Storage.shared.read({ db in
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guard let attachment: Attachment = try Attachment.fetchOne(db, id: details.attachmentId) else {
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return nil
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}
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return (attachment, try OpenGroup.fetchOne(db, id: threadId))
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})
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else {
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failure(job, JobRunnerError.missingRequiredDetails, false)
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return
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}
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// If the original interaction no longer exists then don't bother uploading the attachment (ie. the
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// message was deleted before it even got sent)
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if let interactionId: Int64 = job.interactionId {
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guard Storage.shared.read({ db in try Interaction.exists(db, id: interactionId) }) == true else {
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failure(job, StorageError.objectNotFound, true)
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return
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}
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}
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// If the attachment is still pending download the hold off on running this job
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guard attachment.state != .pendingDownload && attachment.state != .downloading else {
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deferred(job)
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return
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}
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// Note: In the AttachmentUploadJob we intentionally don't provide our own db instance to prevent
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// reentrancy issues when the success/failure closures get called before the upload as the JobRunner
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// will attempt to update the state of the job immediately
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attachment.upload(
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queue: queue,
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using: { db, data in
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if let openGroup: OpenGroup = openGroup {
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return OpenGroupAPI
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.uploadFile(
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db,
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bytes: data.bytes,
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to: openGroup.roomToken,
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on: openGroup.server
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)
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.map { _, response -> String in response.id }
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}
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return FileServerAPI.upload(data)
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.map { response -> String in response.id }
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},
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encrypt: (openGroup == nil),
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success: { _ in success(job, false) },
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failure: { error in failure(job, error, false) }
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)
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}
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}
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// MARK: - AttachmentUploadJob.Details
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extension AttachmentUploadJob {
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public struct Details: Codable {
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/// This is the id for the messageSend job this attachmentUpload job is associated to, the value isn't used for any of
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/// the logic but we want to mandate that the attachmentUpload job can only be used alongside a messageSend job
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///
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/// **Note:** If we do decide to remove this the `_003_YDBToGRDBMigration` will need to be updated as it
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/// fails if this connection can't be made
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public let messageSendJobId: Int64
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/// The id of the `Attachment` to upload
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public let attachmentId: String
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public init(messageSendJobId: Int64, attachmentId: String) {
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self.messageSendJobId = messageSendJobId
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self.attachmentId = attachmentId
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}
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}
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}
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