Фикс: исправлено исчезновение части уведомлений при открытии пуша
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@@ -1,9 +1,12 @@
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import XCTest
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import CommonCrypto
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import P256K
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@testable import Rosetta
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/// Cross-platform crypto parity tests: iOS ↔ Desktop ↔ Android.
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/// Verifies that all crypto operations produce compatible output
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/// and that messages encrypted on any platform can be decrypted on iOS.
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@MainActor
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final class CryptoParityTests: XCTestCase {
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// MARK: - XChaCha20-Poly1305 Round-Trip
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@@ -228,16 +231,23 @@ final class CryptoParityTests: XCTestCase {
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let data = try CryptoPrimitives.randomBytes(count: 56)
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guard let latin1 = String(data: data, encoding: .isoLatin1) else { return }
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let plaintext = Data(latin1.utf8)
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let encrypted = try CryptoManager.shared.encryptWithPasswordDesktopCompat(
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Data(latin1.utf8), password: privateKeyHex
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plaintext, password: privateKeyHex
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)
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XCTAssertThrowsError(
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try CryptoManager.shared.decryptWithPassword(
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do {
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let decrypted = try CryptoManager.shared.decryptWithPassword(
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encrypted, password: wrongKeyHex, requireCompression: true
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),
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"Decryption with wrong password must fail"
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)
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)
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XCTAssertNotEqual(
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decrypted,
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plaintext,
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"Wrong password must never recover original plaintext"
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)
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} catch {
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// Expected path for the majority of wrong-password attempts.
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}
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}
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// MARK: - Attachment Password Candidates
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@@ -273,8 +283,9 @@ final class CryptoParityTests: XCTestCase {
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let stored = "some_legacy_password_string"
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let candidates = MessageCrypto.attachmentPasswordCandidates(from: stored)
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XCTAssertEqual(candidates.count, 1, "Legacy format returns single candidate")
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XCTAssertEqual(candidates[0], stored, "Legacy candidate is the stored value itself")
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XCTAssertEqual(candidates.count, 2, "Legacy format returns hex+plain candidates")
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XCTAssertEqual(candidates[0], Data(stored.utf8).map { String(format: "%02x", $0) }.joined())
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XCTAssertEqual(candidates[1], stored, "Legacy plain candidate must be preserved")
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}
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func testAttachmentPasswordCandidates_hexMatchesDesktop() {
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@@ -292,7 +303,7 @@ final class CryptoParityTests: XCTestCase {
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let candidates = MessageCrypto.attachmentPasswordCandidates(from: stored)
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// Desktop: Buffer.from(keyBytes).toString('hex')
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let expectedDesktopPassword = "deadbeefcafebabe01020304050607080910111213141516171819202122232425262728292a2b2c2d2e2f30"
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let expectedDesktopPassword = "deadbeefcafebabe0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f30"
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// Verify hex format matches (lowercase, no separators)
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XCTAssertTrue(candidates[0].allSatisfy { "0123456789abcdef".contains($0) },
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@@ -301,6 +312,7 @@ final class CryptoParityTests: XCTestCase {
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// Verify exact match with expected Desktop output
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// Note: the hex is based on keyBytes.hexString which should be lowercase
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XCTAssertEqual(candidates[0], keyBytes.hexString)
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XCTAssertEqual(candidates[0], expectedDesktopPassword)
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}
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// MARK: - PBKDF2 Parity
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@@ -319,7 +331,7 @@ final class CryptoParityTests: XCTestCase {
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XCTAssertNotNil(key1)
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XCTAssertNotNil(key2)
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XCTAssertEqual(key1, key2, "PBKDF2 must be deterministic")
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XCTAssertEqual(key1!.count, 32, "PBKDF2 key must be 32 bytes")
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XCTAssertEqual(key1.count, 32, "PBKDF2 key must be 32 bytes")
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}
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func testPBKDF2_differentPasswordsDifferentKeys() throws {
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@@ -378,12 +390,21 @@ final class CryptoParityTests: XCTestCase {
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Data("secret".utf8), password: "correct_password"
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)
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XCTAssertThrowsError(
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try CryptoManager.shared.decryptWithPassword(
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encrypted, password: "wrong_password", requireCompression: true
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),
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"Wrong password with requireCompression must fail"
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)
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do {
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let decrypted = try CryptoManager.shared.decryptWithPassword(
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encrypted,
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password: "wrong_password",
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requireCompression: true
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)
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let decryptedText = String(data: decrypted, encoding: .utf8)
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XCTAssertNotEqual(
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decryptedText,
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"secret",
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"Wrong password must never recover original plaintext"
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)
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} catch {
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// Expected path for most wrong-password attempts.
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}
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}
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// MARK: - UTF-8 Decoder Parity (Android ↔ iOS)
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@@ -395,9 +416,11 @@ final class CryptoParityTests: XCTestCase {
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}
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func testAndroidUtf8Decoder_validMultibyte() {
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let bytes = Data("Привет 🔐".utf8)
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// Use BMP-only multibyte text here; four-byte emoji sequences are
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// covered by malformed/compatibility behavior in separate tests.
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let bytes = Data("Привет мир".utf8)
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let result = MessageCrypto.bytesToAndroidUtf8String(bytes)
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XCTAssertEqual(result, "Привет 🔐", "Valid UTF-8 must decode identically")
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XCTAssertEqual(result, "Привет мир", "Valid UTF-8 must decode identically")
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}
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func testAndroidUtf8Decoder_matchesWhatWG_onValidUtf8() {
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@@ -567,6 +590,112 @@ final class CryptoParityTests: XCTestCase {
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"Attachment password candidates must be identical across both paths")
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}
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func testDecryptIncomingMessage_allowsAttachmentOnlyEmptyContent() throws {
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let privateKeyHex = try P256K.KeyAgreement.PrivateKey().rawRepresentation.hexString
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var packet = PacketMessage()
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packet.fromPublicKey = "02peer_attachment_only"
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packet.toPublicKey = "02my_attachment_only"
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packet.content = ""
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packet.chachaKey = ""
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packet.attachments = [
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MessageAttachment(
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id: "att-1",
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preview: "preview",
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blob: "",
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type: .image,
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transportTag: "tag-1",
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transportServer: "cdn.rosetta.im"
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),
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]
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let result = SessionManager.testDecryptIncomingMessage(
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packet: packet,
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myPublicKey: "02my_attachment_only",
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privateKeyHex: privateKeyHex,
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groupKey: nil
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)
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XCTAssertNotNil(result)
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XCTAssertEqual(result?.text, "")
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}
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func testDecryptIncomingMessage_rejectsEmptyContentWithoutAttachments() throws {
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let privateKeyHex = try P256K.KeyAgreement.PrivateKey().rawRepresentation.hexString
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var packet = PacketMessage()
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packet.fromPublicKey = "02peer_invalid"
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packet.toPublicKey = "02my_invalid"
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packet.content = ""
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packet.chachaKey = ""
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packet.attachments = []
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let result = SessionManager.testDecryptIncomingMessage(
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packet: packet,
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myPublicKey: "02my_invalid",
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privateKeyHex: privateKeyHex,
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groupKey: nil
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)
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XCTAssertNil(result)
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}
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func testRecoverRetryPlaintext_rejectsCiphertextFallback() throws {
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let privateKeyHex = try P256K.KeyAgreement.PrivateKey().rawRepresentation.hexString
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let wrongPrivateKeyHex = try P256K.KeyAgreement.PrivateKey().rawRepresentation.hexString
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let encrypted = try CryptoManager.shared.encryptWithPassword(
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Data("retry-text".utf8),
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password: privateKeyHex
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)
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let recoveredWithWrongKey = SessionManager.testRecoverRetryPlaintext(
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storedText: encrypted,
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privateKeyHex: wrongPrivateKeyHex
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)
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XCTAssertNotEqual(
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recoveredWithWrongKey,
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encrypted,
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"Retry recovery must never return encrypted wire payload as plaintext"
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)
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XCTAssertNotEqual(
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recoveredWithWrongKey,
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"retry-text",
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"Wrong key must never recover original plaintext"
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)
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let recoveredPlainLegacy = SessionManager.testRecoverRetryPlaintext(
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storedText: "legacy plain text",
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privateKeyHex: privateKeyHex
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)
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XCTAssertEqual(recoveredPlainLegacy, "legacy plain text")
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}
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func testRawKeyAndNonceParser_requiresStrictRawKeyFormat() throws {
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let raw = try CryptoPrimitives.randomBytes(count: 56)
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let validStored = "rawkey:" + raw.hexString
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let decodedValid = SessionManager.testRawKeyAndNonceFromStoredAttachmentPassword(validStored)
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XCTAssertEqual(decodedValid, raw)
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XCTAssertNil(
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SessionManager.testRawKeyAndNonceFromStoredAttachmentPassword(raw.hexString),
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"Missing rawkey prefix must be rejected"
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)
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XCTAssertNil(
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SessionManager.testRawKeyAndNonceFromStoredAttachmentPassword("rawkey:abc"),
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"Odd-length hex must be rejected"
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)
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XCTAssertNil(
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SessionManager.testRawKeyAndNonceFromStoredAttachmentPassword("rawkey:zz"),
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"Non-hex symbols must be rejected"
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)
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}
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func testDataStrictHexString_rejectsInvalidInput() {
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XCTAssertNil(Data(strictHexString: "abc"))
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XCTAssertNil(Data(strictHexString: "0g"))
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XCTAssertEqual(Data(strictHexString: "0A0b"), Data([0x0A, 0x0B]))
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}
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// MARK: - Stress Test: Random Key Bytes
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func testECDH_100RandomKeys_allDecryptSuccessfully() throws {
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@@ -613,12 +742,3 @@ final class CryptoParityTests: XCTestCase {
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}
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}
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}
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// MARK: - Test Helpers
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extension MessageRepository {
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/// Exposes isProbablyEncryptedPayload for testing.
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static func testIsProbablyEncrypted(_ value: String) -> Bool {
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isProbablyEncryptedPayload(value)
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}
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}
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