fix(vault): исправил шифрование, meta Yandex и enc-meta при первом открытии

Remember key после encrypt, мягкий auto-open в UnlockManager, StorageMetaLoadState без затирания meta на сетевых ошибках, фильтр storages в YandexVault и создание .enc-meta при FileNotFound.
2026-05-21 11:05:14 +03:00
parent da8b970078
commit 467ed64426
10 changed files with 95 additions and 25 deletions
--- a/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/storages/UnlockManager.kt
+++ b/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/storages/UnlockManager.kt
@@ -58,11 +58,17 @@ class UnlockManager(
                            allStorages.removeAt(allStorages.size - 1)
                            allStorages.add(encStorage)
                        }
-                        catch (_: Exception) {
-                            // ключ не подошёл
+                        catch (e: WallencException.Storage.IncorrectKey) {
                            keysToRemove.add(key)
                            allStorages.removeAt(allStorages.size - 1)
                        }
+                        catch (_: WallencException.Storage.EncInfoMissing) {
+                            keysToRemove.add(key)
+                            allStorages.removeAt(allStorages.size - 1)
+                        }
+                        catch (_: Exception) {
+                            allStorages.removeAt(allStorages.size - 1)
+                        }
                    }
                    keymapRepository.delete(*keysToRemove.toTypedArray()) // удалить мёртвые ключи
                    _openedStorages.value = map.toMap()
@@ -104,6 +110,21 @@ class UnlockManager(
        return UUID(bb.long, bb.long)
    }

+    override suspend fun rememberKey(storage: IStorage, key: EncryptKey) = withContext(ioDispatcher) {
+        mutex.withLock {
+            val encInfo = storage.metaInfo.value.encInfo ?: throw WallencException.Storage.EncInfoMissing()
+            if (!Encryptor.checkKey(key, encInfo)) {
+                throw WallencException.Storage.IncorrectKey()
+            }
+            keymapRepository.add(
+                StorageKeyMap(
+                    sourceUuid = storage.uuid,
+                    key = key,
+                ),
+            )
+        }
+    }
+
    override suspend fun open(
        storage: IStorage,
        key: EncryptKey,
--- a/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/storages/common/BaseStorage.kt
+++ b/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/storages/common/BaseStorage.kt
@@ -3,6 +3,7 @@ package com.github.nullptroma.wallenc.domain.vault.storages.common
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.github.nullptroma.wallenc.domain.common.impl.CommonStorageMetaInfo
 import com.github.nullptroma.wallenc.domain.datatypes.StorageEncryptionInfo
+import com.github.nullptroma.wallenc.domain.datatypes.StorageMetaLoadState
 import com.github.nullptroma.wallenc.domain.errors.WallencException
 import com.github.nullptroma.wallenc.domain.interfaces.IStorage
 import com.github.nullptroma.wallenc.domain.interfaces.IStorageAccessor
@@ -39,6 +40,10 @@ abstract class BaseStorage(
    final override val metaInfo: StateFlow<IStorageMetaInfo>
        get() = _metaInfo

+    private val _metaLoadState = MutableStateFlow(StorageMetaLoadState.Loading)
+    final override val metaLoadState: StateFlow<StorageMetaLoadState>
+        get() = _metaLoadState
+
    final override val size: StateFlow<Long?>
        get() = accessor.size

@@ -71,32 +76,39 @@ abstract class BaseStorage(
    }

    private suspend fun readMetaInfo() = withContext(ioDispatcher) {
-        val meta = try {
-            accessor.openReadSystemFile(metaInfoFileName).use { input ->
-                val bytes = input.readBytes()
-                when {
-                    bytes.isEmpty() -> {
-                        val default = CommonStorageMetaInfo()
-                        updateMetaInfo(default)
-                        default
-                    }
-                    else -> try {
-                        jackson.readValue(bytes, CommonStorageMetaInfo::class.java)
-                    } catch (_: Exception) {
-                        // Битый JSON — не перезаписываем файл на диске
-                        CommonStorageMetaInfo()
-                    }
+        val (meta, state) = loadMetaFromDisk()
+        _metaInfo.value = meta
+        _metaLoadState.value = state
+    }
+
+    private suspend fun loadMetaFromDisk(): Pair<IStorageMetaInfo, StorageMetaLoadState> {
+        return try {
+            val bytes = accessor.openReadSystemFile(metaInfoFileName).use { it.readBytes() }
+            when {
+                bytes.isEmpty() -> {
+                    val default = CommonStorageMetaInfo()
+                    updateMetaInfo(default)
+                    default to StorageMetaLoadState.Ready
+                }
+                else -> try {
+                    jackson.readValue(bytes, CommonStorageMetaInfo::class.java) to StorageMetaLoadState.Ready
+                } catch (_: Exception) {
+                    CommonStorageMetaInfo() to StorageMetaLoadState.Unavailable
                }
            }
        } catch (_: WallencException.Storage.FileNotFound) {
            val default = CommonStorageMetaInfo()
            updateMetaInfo(default)
-            default
+            default to StorageMetaLoadState.Ready
        } catch (_: Exception) {
-            // Сеть/IO — оставляем дефолт в памяти, существующий файл не трогаем
-            CommonStorageMetaInfo()
+            CommonStorageMetaInfo() to StorageMetaLoadState.Unavailable
+        }
+    }
+
+    private suspend fun requireMetaReady() {
+        if (_metaLoadState.value != StorageMetaLoadState.Ready) {
+            throw WallencException.Storage.NotAvailable()
        }
-        _metaInfo.value = meta
    }

    private suspend fun updateMetaInfo(meta: IStorageMetaInfo) = withContext(ioDispatcher) {
@@ -108,6 +120,7 @@ abstract class BaseStorage(
    }

    final override suspend fun rename(newName: String) = withContext(ioDispatcher) {
+        requireMetaReady()
        val cur = metaInfo.value
        updateMetaInfo(
            CommonStorageMetaInfo(
@@ -118,6 +131,7 @@ abstract class BaseStorage(
    }

    final override suspend fun setEncInfo(encInfo: StorageEncryptionInfo?) = withContext(ioDispatcher) {
+        requireMetaReady()
        val cur = metaInfo.value
        updateMetaInfo(
            CommonStorageMetaInfo(
--- a/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/storages/encrypt/EncryptedStorageAccessor.kt
+++ b/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/storages/encrypt/EncryptedStorageAccessor.kt
@@ -1,5 +1,7 @@
 package com.github.nullptroma.wallenc.domain.vault.storages.encrypt

+import com.github.nullptroma.wallenc.domain.errors.WallencException
+import com.github.nullptroma.wallenc.domain.vault.storages.common.readSystemFileBytesOrEmpty
 import com.github.nullptroma.wallenc.domain.vault.utils.CloseHandledStreamExtension.Companion.onClosed
 import com.github.nullptroma.wallenc.domain.vault.utils.CloseHandledStreamExtension.Companion.onClosing
 import com.github.nullptroma.wallenc.domain.common.impl.CommonDirectory
@@ -28,6 +30,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
+import java.io.ByteArrayInputStream
 import java.io.InputStream
 import java.io.OutputStream
 import java.time.Instant
@@ -272,7 +275,11 @@ class EncryptedStorageAccessor(

    override suspend fun openReadSystemFile(name: String): InputStream = scope.run {
        val path = Path(systemHiddenDirName, name).pathString
-        openRead(path)
+        try {
+            openRead(path)
+        } catch (_: WallencException.Storage.FileNotFound) {
+            ByteArrayInputStream(ByteArray(0))
+        }
    }

    override suspend fun openWriteSystemFile(name: String): OutputStream = scope.run {
@@ -284,7 +291,7 @@ class EncryptedStorageAccessor(
    }

    override suspend fun readSyncJournal(): List<StorageSyncJournalEntry> {
-        val bytes = openReadSystemFile(SYNC_JOURNAL_FILENAME).use { it.readBytes() }
+        val bytes = readSystemFileBytesOrEmpty { openReadSystemFile(SYNC_JOURNAL_FILENAME) }
        if (bytes.isEmpty()) {
            return emptyList()
        }
@@ -316,7 +323,7 @@ class EncryptedStorageAccessor(
    }

    override suspend fun readSyncLock(): StorageSyncLock? {
-        val bytes = openReadSystemFile(SYNC_LOCK_FILENAME).use { it.readBytes() }
+        val bytes = readSystemFileBytesOrEmpty { openReadSystemFile(SYNC_LOCK_FILENAME) }
        if (bytes.isEmpty()) {
            return null
        }
--- a/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/vaults/yandex/YandexVault.kt
+++ b/domain-vault/src/main/java/com/github/nullptroma/wallenc/domain/vault/vaults/yandex/YandexVault.kt
@@ -4,6 +4,7 @@ import com.github.nullptroma.wallenc.domain.vault.network.yandexdisk.YandexDiskA
 import com.github.nullptroma.wallenc.domain.vault.network.yandexdisk.repository.YandexDiskRepository
 import com.github.nullptroma.wallenc.domain.vault.storages.yandex.YandexStorage
 import com.github.nullptroma.wallenc.domain.datatypes.StorageEncryptionInfo
+import com.github.nullptroma.wallenc.domain.datatypes.StorageMetaLoadState
 import com.github.nullptroma.wallenc.domain.interfaces.IStorage
 import com.github.nullptroma.wallenc.vault.contract.CloudBrand
 import com.github.nullptroma.wallenc.vault.contract.DescribedVault
@@ -132,7 +133,10 @@ class YandexVault(
            if (attempt > 0) {
                delay(STORAGE_INIT_RETRY_DELAY_MS * attempt)
            }
-            if (runCatching { storage.init() }.isSuccess) {
+            if (
+                runCatching { storage.init() }.isSuccess &&
+                storage.metaLoadState.value == StorageMetaLoadState.Ready
+            ) {
                return storage
            }
        }