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Merge pull request #252 from RyanRory/open-group-message-ordering

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Fix Open Group Message Ordering
pull/254/head
Niels Andriesse 5 years ago committed by GitHub
parent f2b67cc78a d6604c10ff
commit 57d8d9bc69
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 30 additions and 10 deletions
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11
SignalServiceKit/src/Loki/API/Open Groups/PublicChatAPI.swift
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@ -122,13 +122,16 @@ public final class PublicChatAPI : DotNetAPI {
return rawMessages.flatMap { message in
let isDeleted = (message["is_deleted"] as? Int == 1)
guard !isDeleted else { return nil }
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
guard let annotations = message["annotations"] as? [JSON], let annotation = annotations.first(where: { $0["type"] as? String == publicChatMessageType }), let value = annotation["value"] as? JSON,
let serverID = message["id"] as? UInt64, let hexEncodedSignatureData = value["sig"] as? String, let signatureVersion = value["sigver"] as? UInt64,
let body = message["text"] as? String, let user = message["user"] as? JSON, let hexEncodedPublicKey = user["username"] as? String,
let timestamp = value["timestamp"] as? UInt64 else {
let timestamp = value["timestamp"] as? UInt64, let dateAsString = message["created_at"] as? String, let date = dateFormatter.date(from: dateAsString) else {
print("[Loki] Couldn't parse message for public chat channel with ID: \(channel) on server: \(server) from: \(message).")
return nil
}
let servertTimestamp = UInt64(date.timeIntervalSince1970) * 1000
var profilePicture: PublicChatMessage.ProfilePicture? = nil
let displayName = user["name"] as? String ?? NSLocalizedString("Anonymous", comment: "")
if let userAnnotations = user["annotations"] as? [JSON], let profilePictureAnnotation = userAnnotations.first(where: { $0["type"] as? String == profilePictureType }),
@ -168,7 +171,7 @@ public final class PublicChatAPI : DotNetAPI {
width: width, height: height, caption: caption, url: url, linkPreviewURL: linkPreviewURL, linkPreviewTitle: linkPreviewTitle)
}
let result = PublicChatMessage(serverID: serverID, senderPublicKey: hexEncodedPublicKey, displayName: displayName, profilePicture: profilePicture,
body: body, type: publicChatMessageType, timestamp: timestamp, quote: quote, attachments: attachments, signature: signature)
body: body, type: publicChatMessageType, timestamp: timestamp, quote: quote, attachments: attachments, signature: signature, serverTimestamp: servertTimestamp)
guard result.hasValidSignature() else {
print("[Loki] Ignoring public chat message with invalid signature.")
return nil
@ -182,7 +185,7 @@ public final class PublicChatAPI : DotNetAPI {
return nil
}
return result
}.sorted { $0.timestamp < $1.timestamp }
}.sorted { $0.serverTimestamp < $1.serverTimestamp}
}
}
}.handlingInvalidAuthTokenIfNeeded(for: server)
@ -217,7 +220,7 @@ public final class PublicChatAPI : DotNetAPI {
throw DotNetAPIError.parsingFailed
}
let timestamp = UInt64(date.timeIntervalSince1970) * 1000
return PublicChatMessage(serverID: serverID, senderPublicKey: getUserHexEncodedPublicKey(), displayName: displayName, profilePicture: signedMessage.profilePicture, body: body, type: publicChatMessageType, timestamp: timestamp, quote: signedMessage.quote, attachments: signedMessage.attachments, signature: signedMessage.signature)
return PublicChatMessage(serverID: serverID, senderPublicKey: getUserHexEncodedPublicKey(), displayName: displayName, profilePicture: signedMessage.profilePicture, body: body, type: publicChatMessageType, timestamp: timestamp, quote: signedMessage.quote, attachments: signedMessage.attachments, signature: signedMessage.signature, serverTimestamp: timestamp)
}
}
}.handlingInvalidAuthTokenIfNeeded(for: server)

12
SignalServiceKit/src/Loki/API/Open Groups/PublicChatMessage.swift
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@ -14,6 +14,9 @@ public final class PublicChatMessage : NSObject {
public var attachments: [Attachment] = []
public let signature: Signature?
// MARK: Server Timestamp (use for sorting)
public let serverTimestamp: UInt64
@objc(serverID)
public var objc_serverID: UInt64 { return serverID ?? 0 }
@ -72,7 +75,7 @@ public final class PublicChatMessage : NSObject {
}
// MARK: Initialization
public init(serverID: UInt64?, senderPublicKey: String, displayName: String, profilePicture: ProfilePicture?, body: String, type: String, timestamp: UInt64, quote: Quote?, attachments: [Attachment], signature: Signature?) {
public init(serverID: UInt64?, senderPublicKey: String, displayName: String, profilePicture: ProfilePicture?, body: String, type: String, timestamp: UInt64, quote: Quote?, attachments: [Attachment], signature: Signature?, serverTimestamp: UInt64) {
self.serverID = serverID
self.senderPublicKey = senderPublicKey
self.displayName = displayName
@ -83,10 +86,11 @@ public final class PublicChatMessage : NSObject {
self.quote = quote
self.attachments = attachments
self.signature = signature
self.serverTimestamp = serverTimestamp
super.init()
}
@objc public convenience init(senderPublicKey: String, displayName: String, body: String, type: String, timestamp: UInt64, quotedMessageTimestamp: UInt64, quoteePublicKey: String?, quotedMessageBody: String?, quotedMessageServerID: UInt64, signatureData: Data?, signatureVersion: UInt64) {
@objc public convenience init(senderPublicKey: String, displayName: String, body: String, type: String, timestamp: UInt64, quotedMessageTimestamp: UInt64, quoteePublicKey: String?, quotedMessageBody: String?, quotedMessageServerID: UInt64, signatureData: Data?, signatureVersion: UInt64, serverTimestamp: UInt64) {
let quote: Quote?
if quotedMessageTimestamp != 0, let quoteeHexEncodedPublicKey = quoteePublicKey, let quotedMessageBody = quotedMessageBody {
let quotedMessageServerID = (quotedMessageServerID != 0) ? quotedMessageServerID : nil
@ -100,7 +104,7 @@ public final class PublicChatMessage : NSObject {
} else {
signature = nil
}
self.init(serverID: nil, senderPublicKey: senderPublicKey, displayName: displayName, profilePicture: nil, body: body, type: type, timestamp: timestamp, quote: quote, attachments: [], signature: signature)
self.init(serverID: nil, senderPublicKey: senderPublicKey, displayName: displayName, profilePicture: nil, body: body, type: type, timestamp: timestamp, quote: quote, attachments: [], signature: signature, serverTimestamp: serverTimestamp)
}
// MARK: Crypto
@ -115,7 +119,7 @@ public final class PublicChatMessage : NSObject {
return nil
}
let signature = Signature(data: signatureData, version: signatureVersion)
return PublicChatMessage(serverID: serverID, senderPublicKey: senderPublicKey, displayName: displayName, profilePicture: profilePicture, body: body, type: type, timestamp: timestamp, quote: quote, attachments: attachments, signature: signature)
return PublicChatMessage(serverID: serverID, senderPublicKey: senderPublicKey, displayName: displayName, profilePicture: profilePicture, body: body, type: type, timestamp: timestamp, quote: quote, attachments: attachments, signature: signature, serverTimestamp: serverTimestamp)
}
internal func hasValidSignature() -> Bool {

2
SignalServiceKit/src/Loki/API/Open Groups/PublicChatPoller.swift
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@ -75,7 +75,7 @@ public final class PublicChatPoller : NSObject {
}
*/
// Sorting the messages by timestamp before importing them fixes an issue where messages that quote older messages can't find those older messages
messages.sorted { $0.timestamp < $1.timestamp }.forEach { message in
messages.sorted { $0.serverTimestamp < $1.serverTimestamp }.forEach { message in
var wasSentByCurrentUser = false
OWSPrimaryStorage.shared().dbReadConnection.read { transaction in
wasSentByCurrentUser = LokiDatabaseUtilities.isUserLinkedDevice(message.senderPublicKey, transaction: transaction)

13
SignalServiceKit/src/Messages/Interactions/TSInteraction.m
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@ -5,6 +5,7 @@
#import "TSInteraction.h"
#import "TSDatabaseSecondaryIndexes.h"
#import "TSThread.h"
#import "TSGroupThread.h"
#import <SessionCoreKit/NSDate+OWS.h>
#import <SessionServiceKit/SessionServiceKit-Swift.h>
@ -191,6 +192,18 @@ NSString *NSStringFromOWSInteractionType(OWSInteractionType value)
// Loki: Sort the messages by the sender's timestamp (Signal uses sortId)
uint64_t sortId1 = self.timestamp;
uint64_t sortId2 = other.timestamp;
// Loki: In open groups, we use the server time to sort the messages
// SortId represents the order that a message is processed
// Since we have sorted the messages in the poller using server time
// SortId can represent the order by server time.
if (self.thread.isGroupThread) {
TSGroupThread *thread = (TSGroupThread *)self.thread;
if (thread.isPublicChat) {
sortId1 = self.sortId;
sortId2 = other.sortId;
}
}
if (sortId1 > sortId2) {
return NSOrderedDescending;

2
SignalServiceKit/src/Messages/OWSMessageSender.m
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@ -1043,7 +1043,7 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
}
NSString *body = (message.body != nil && message.body.length > 0) ? message.body : [NSString stringWithFormat:@"%@", @(message.timestamp)]; // Workaround for the fact that the back-end doesn't accept messages without a body
LKPublicChatMessage *groupMessage = [[LKPublicChatMessage alloc] initWithSenderPublicKey:userPublicKey displayName:displayName body:body type:LKPublicChatAPI.publicChatMessageType
timestamp:message.timestamp quotedMessageTimestamp:quoteID quoteePublicKey:quoteePublicKey quotedMessageBody:quote.body quotedMessageServerID:quotedMessageServerID signatureData:nil signatureVersion:0];
timestamp:message.timestamp quotedMessageTimestamp:quoteID quoteePublicKey:quoteePublicKey quotedMessageBody:quote.body quotedMessageServerID:quotedMessageServerID signatureData:nil signatureVersion:0 serverTimestamp:0];
OWSLinkPreview *linkPreview = message.linkPreview;
if (linkPreview != nil) {
TSAttachmentStream *attachment = [TSAttachmentStream fetchObjectWithUniqueID:linkPreview.imageAttachmentId];

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