mirror of https://github.com/oxen-io/session-ios
Merge pull request #710 from mpretty-cyro/fix/theming-tweaks
Theming tweaks and bug fixespull/711/head
Morgan Pretty
3 years ago
committed by
GitHub
commit
2d8fa193e2
@ -1,11 +0,0 @@
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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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@interface NSData (messagePadding)
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- (NSData *)removePadding;
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- (NSData *)paddedMessageBody;
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@end
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@ -1,60 +0,0 @@
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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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#import "OWSAsserts.h"
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#import "NSData+messagePadding.h"
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@implementation NSData (messagePadding)
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- (NSData *)removePadding {
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unsigned long paddingStart = self.length;
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Byte data[self.length];
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[self getBytes:data length:self.length];
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for (long i = (long)self.length - 1; i >= 0; i--) {
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if (data[i] == (Byte)0x80) {
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paddingStart = (unsigned long)i;
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break;
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} else if (data[i] != (Byte)0x00) {
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OWSLogWarn(@"Failed to remove padding, returning unstripped padding");
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return self;
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}
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}
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return [self subdataWithRange:NSMakeRange(0, paddingStart)];
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}
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- (NSData *)paddedMessageBody {
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// From
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// https://github.com/signalapp/TextSecure/blob/master/libtextsecure/src/main/java/org/whispersystems/textsecure/internal/push/PushTransportDetails.java#L55
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// NOTE: This is dumb. We have our own padding scheme, but so does the cipher.
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// The +1 -1 here is to make sure the Cipher has room to add one padding byte,
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// otherwise it'll add a full 16 extra bytes.
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NSUInteger paddedMessageLength = [self paddedMessageLength:(self.length + 1)] - 1;
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NSMutableData *paddedMessage = [NSMutableData dataWithLength:paddedMessageLength];
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Byte paddingByte = 0x80;
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[paddedMessage replaceBytesInRange:NSMakeRange(0, self.length) withBytes:[self bytes]];
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[paddedMessage replaceBytesInRange:NSMakeRange(self.length, 1) withBytes:&paddingByte];
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return paddedMessage;
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}
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- (NSUInteger)paddedMessageLength:(NSUInteger)messageLength {
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NSUInteger messageLengthWithTerminator = messageLength + 1;
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NSUInteger messagePartCount = messageLengthWithTerminator / 160;
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if (messageLengthWithTerminator % 160 != 0) {
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messagePartCount++;
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}
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return messagePartCount * 160;
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}
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@end
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@ -0,0 +1,26 @@
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// 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 YapDatabase
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import SessionUtilitiesKit
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enum _004_FlagMessageHashAsDeletedOrInvalid: Migration {
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static let target: TargetMigrations.Identifier = .snodeKit
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static let identifier: String = "FlagMessageHashAsDeletedOrInvalid"
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static let needsConfigSync: Bool = false
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/// This migration adds a flat to the `SnodeReceivedMessageInfo` so that when deleting interactions we can
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/// ignore their hashes when subsequently trying to fetch new messages (which results in the storage server returning
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/// messages from the beginning of time)
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static let minExpectedRunDuration: TimeInterval = 0.2
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static func migrate(_ db: Database) throws {
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try db.alter(table: SnodeReceivedMessageInfo.self) { t in
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t.add(.wasDeletedOrInvalid, .boolean)
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.indexed() // Faster querying
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}
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Storage.update(progress: 1, for: self, in: target) // In case this is the last migration
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}
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}
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