Feature Compatible File Names

app/src/androidTest/java/com/nextcloud/utils/FileNameValidatorTests.kt

@@ -0,0 +1,193 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2024 Alper Ozturk <[email protected]>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+package com.nextcloud.utils
+
+import com.nextcloud.utils.fileNameValidator.FileNameValidator
+import com.owncloud.android.AbstractIT
+import com.owncloud.android.R
+import com.owncloud.android.lib.resources.status.OCCapability
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+
+@Suppress("TooManyFunctions")
+class FileNameValidatorTests : AbstractIT() {
+
+    private var capability: OCCapability = fileDataStorageManager.getCapability(account.name)
+
+    @Before
+    fun setup() {
+        capability = capability.apply {
+            forbiddenFilenamesJson = """[".htaccess",".htaccess"]"""
+            forbiddenFilenameBaseNamesJson = """
+                                    ["con", "prn", "aux", "nul", "com0", "com1", "com2", "com3", "com4", 
+                                    "com5", "com6", "com7", "com8", "com9", "com¹", "com²", "com³", 
+                                    "lpt0", "lpt1", "lpt2", "lpt3", "lpt4", "lpt5", "lpt6", "lpt7", 
+                                    "lpt8", "lpt9", "lpt¹", "lpt²", "lpt³"]
+                                    """
+            forbiddenFilenameExtensionJson = """[".filepart",".part"]"""
+            forbiddenFilenameCharactersJson = """["<", ">", ":", "\\\\", "/", "|", "?", "*", "&"]"""
+        }
+    }
+
+    @Test
+    fun testInvalidCharacter() {
+        val result = FileNameValidator.checkFileName("file<name", capability, targetContext)
+        assertEquals(
+            String.format(targetContext.getString(R.string.file_name_validator_error_invalid_character), "<"),
+            result
+        )
+    }
+
+    @Test
+    fun testReservedName() {
+        val result = FileNameValidator.checkFileName("CON", capability, targetContext)
+        assertEquals(targetContext.getString(R.string.file_name_validator_error_reserved_names, "CON"), result)
+    }
+
+    @Test
+    fun testForbiddenFilenameExtension() {
+        val result = FileNameValidator.checkFileName("my_fav_file.filepart", capability, targetContext)
+        assertEquals(
+            targetContext.getString(R.string.file_name_validator_error_forbidden_file_extensions, "filepart"),
+            result
+        )
+    }
+
+    @Test
+    fun testEndsWithSpaceOrPeriod() {
+        val result = FileNameValidator.checkFileName("filename ", capability, targetContext)
+        assertEquals(targetContext.getString(R.string.file_name_validator_error_ends_with_space_period), result)
+
+        val result2 = FileNameValidator.checkFileName("filename.", capability, targetContext)
+        assertEquals(targetContext.getString(R.string.file_name_validator_error_ends_with_space_period), result2)
+    }
+
+    @Test
+    fun testEmptyFileName() {
+        val result = FileNameValidator.checkFileName("", capability, targetContext)
+        assertEquals(targetContext.getString(R.string.filename_empty), result)
+    }
+
+    @Test
+    fun testFileAlreadyExists() {
+        val existingFiles = mutableSetOf("existingFile")
+        val result = FileNameValidator.checkFileName("existingFile", capability, targetContext, existingFiles)
+        assertEquals(targetContext.getString(R.string.file_already_exists), result)
+    }
+
+    @Test
+    fun testValidFileName() {
+        val result = FileNameValidator.checkFileName("validFileName", capability, targetContext)
+        assertNull(result)
+    }
+
+    @Test
+    fun testIsFileHidden() {
+        assertTrue(FileNameValidator.isFileHidden(".hiddenFile"))
+        assertFalse(FileNameValidator.isFileHidden("visibleFile"))
+    }
+
+    @Test
+    fun testIsFileNameAlreadyExist() {
+        val existingFiles = mutableSetOf("existingFile")
+        assertTrue(FileNameValidator.isFileNameAlreadyExist("existingFile", existingFiles))
+        assertFalse(FileNameValidator.isFileNameAlreadyExist("newFile", existingFiles))
+    }
+
+    @Test
+    fun testValidFolderAndFilePaths() {
+        val folderPath = "validFolder"
+        val filePaths = listOf("file1.txt", "file2.doc", "file3.jpg")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertTrue(result)
+    }
+
+    @Test
+    fun testFolderPathWithReservedName() {
+        val folderPath = "CON"
+        val filePaths = listOf("file1.txt", "file2.doc", "file3.jpg")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertFalse(result)
+    }
+
+    @Test
+    fun testFilePathWithReservedName() {
+        val folderPath = "validFolder"
+        val filePaths = listOf("file1.txt", "PRN.doc", "file3.jpg")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertFalse(result)
+    }
+
+    @Test
+    fun testFolderPathWithInvalidCharacter() {
+        val folderPath = "invalid<Folder"
+        val filePaths = listOf("file1.txt", "file2.doc", "file3.jpg")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertFalse(result)
+    }
+
+    @Test
+    fun testFilePathWithInvalidCharacter() {
+        val folderPath = "validFolder"
+        val filePaths = listOf("file1.txt", "file|2.doc", "file3.jpg")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertFalse(result)
+    }
+
+    @Test
+    fun testFolderPathEndingWithSpace() {
+        val folderPath = "folderWithSpace "
+        val filePaths = listOf("file1.txt", "file2.doc", "file3.jpg")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertFalse(result)
+    }
+
+    @Test
+    fun testFilePathEndingWithPeriod() {
+        val folderPath = "validFolder"
+        val filePaths = listOf("file1.txt", "file2.doc", "file3.")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertFalse(result)
+    }
+
+    @Test
+    fun testFilePathWithNestedFolder() {
+        val folderPath = "validFolder\\secondValidFolder\\CON"
+        val filePaths = listOf("file1.txt", "file2.doc", "file3.")
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, filePaths, capability, targetContext)
+        assertFalse(result)
+    }
+
+    @Test
+    fun testOnlyFolderPath() {
+        val folderPath = "/A1/Aaaww/W/C2/"
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, listOf(), capability, targetContext)
+        assertTrue(result)
+    }
+
+    @Test
+    fun testOnlyFolderPathWithOneReservedName() {
+        val folderPath = "/A1/Aaaww/CON/W/C2/"
+
+        val result = FileNameValidator.checkFolderAndFilePaths(folderPath, listOf(), capability, targetContext)
+        assertFalse(result)
+    }
+}

app/src/androidTest/java/com/owncloud/android/utils/EspressoIdlingResource.kt

@@ -1,7 +1,7 @@
 /*
  * Nextcloud - Android Client
  *
- * SPDX-FileCopyrightText: 2024 Your Name <your@email.com>
+ * SPDX-FileCopyrightText: 2024 Alper Ozturk <alper.ozturk@nextcloud.com>
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 

app/src/main/java/com/nextcloud/client/assistant/repository/AssistantMockRepository.kt

@@ -31,6 +31,7 @@ class AssistantMockRepository(private val giveEmptyTasks: Boolean = false) : Ass
         return RemoteOperationResult<Void>(RemoteOperationResult.ResultCode.OK)
     }
 
+    @Suppress("LongMethod")
     override fun getTaskList(appId: String): RemoteOperationResult<TaskList> {
         val taskList = if (giveEmptyTasks) {
             TaskList(listOf())

app/src/main/java/com/nextcloud/client/database/NextcloudDatabase.kt

@@ -59,7 +59,8 @@ import com.owncloud.android.db.ProviderMeta
         AutoMigration(from = 77, to = 78),
         AutoMigration(from = 78, to = 79, spec = DatabaseMigrationUtil.ResetCapabilitiesPostMigration::class),
         AutoMigration(from = 79, to = 80),
-        AutoMigration(from = 80, to = 81)
+        AutoMigration(from = 80, to = 81),
+        AutoMigration(from = 81, to = 82)
     ],
     exportSchema = true
 )

app/src/main/java/com/nextcloud/client/database/entity/CapabilityEntity.kt

@@ -122,5 +122,13 @@ data class CapabilityEntity(
     @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_DROP_ACCOUNT)
     val dropAccount: Int?,
     @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_SECURITY_GUARD)
-    val securityGuard: Int?
+    val securityGuard: Int?,
+    @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_FORBIDDEN_FILENAME_CHARACTERS)
+    val forbiddenFileNameCharacters: Int?,
+    @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_FORBIDDEN_FILENAMES)
+    val forbiddenFileNames: Int?,
+    @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_FORBIDDEN_FORBIDDEN_FILENAME_EXTENSIONS)
+    val forbiddenFileNameExtensions: Int?,
+    @ColumnInfo(name = ProviderTableMeta.CAPABILITIES_FORBIDDEN_FORBIDDEN_FILENAME_BASE_NAMES)
+    val forbiddenFilenameBaseNames: Int?
 )

app/src/main/java/com/nextcloud/utils/extensions/OCCapabilityExtensions.kt

@@ -0,0 +1,33 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2024 Alper Ozturk <[email protected]>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+package com.nextcloud.utils.extensions
+
+import com.google.gson.Gson
+import com.owncloud.android.lib.resources.status.OCCapability
+import org.json.JSONException
+
+private val gson = Gson()
+
+fun OCCapability.forbiddenFilenames(): List<String> = jsonToList(forbiddenFilenamesJson)
+
+fun OCCapability.forbiddenFilenameCharacters(): List<String> = jsonToList(forbiddenFilenameCharactersJson)
+
+fun OCCapability.forbiddenFilenameExtension(): List<String> = jsonToList(forbiddenFilenameExtensionJson)
+
+fun OCCapability.forbiddenFilenameBaseNames(): List<String> = jsonToList(forbiddenFilenameBaseNamesJson)
+
+@Suppress("ReturnCount")
+private fun jsonToList(json: String?): List<String> {
+    if (json == null) return emptyList()
+
+    return try {
+        return gson.fromJson(json, Array<String>::class.java).toList()
+    } catch (e: JSONException) {
+        emptyList()
+    }
+}

app/src/main/java/com/nextcloud/utils/extensions/StringExtensions.kt

@@ -15,3 +15,18 @@ fun String.getRandomString(length: Int): String {
 
     return this + result
 }
+
+fun String.removeFileExtension(): String {
+    val dotIndex = lastIndexOf('.')
+    return if (dotIndex != -1) {
+        substring(0, dotIndex)
+    } else {
+        this
+    }
+}
+
+object StringConstants {
+    const val SLASH = "/"
+    const val DOT = "."
+    const val SPACE = " "
+}