✨ discard oversized non-file paste items to prevent huge database rows

app/src/commonMain/kotlin/com/crosspaste/paste/PasteReleaseService.kt

@@ -3,11 +3,15 @@ package com.crosspaste.paste
 import com.crosspaste.Database
 import com.crosspaste.config.CommonConfigManager
 import com.crosspaste.db.paste.PasteDao
+import com.crosspaste.db.sync.SyncRuntimeInfoDao
+import com.crosspaste.notification.MessageType
+import com.crosspaste.notification.NotificationManager
 import com.crosspaste.paste.item.PasteFiles
 import com.crosspaste.paste.item.PasteItem
 import com.crosspaste.paste.item.PasteItemProperties
 import com.crosspaste.paste.item.PasteItemReader
 import com.crosspaste.paste.item.bindItem
+import com.crosspaste.paste.plugin.process.DiscardOversizedNonFilePlugin
 import com.crosspaste.paste.plugin.process.PasteProcessPlugin
 import com.crosspaste.path.UserDataPathProvider
 import com.crosspaste.presist.FilesIndex
@@ -36,10 +40,12 @@ class PasteReleaseService(
     private val commonConfigManager: CommonConfigManager,
     private val currentPaste: CurrentPaste,
     private val database: Database,
+    private val notificationManager: NotificationManager,
     private val pasteDao: PasteDao,
     private val pasteItemReader: PasteItemReader,
     private val pasteProcessPlugins: List<PasteProcessPlugin>,
     private val searchContentService: SearchContentService,
+    private val syncRuntimeInfoDao: SyncRuntimeInfoDao,
     private val taskSubmitter: TaskSubmitter,
     private val userDataPathProvider: UserDataPathProvider,
 ) {
@@ -194,11 +200,47 @@ class PasteReleaseService(
         return newPasteData
     }
 
+    /**
+     * Remote pastes bypass the plugin pipeline (they are persisted as-is), so the
+     * non-file size limit is enforced here. The whole paste is skipped instead of
+     * degrading flavors: the remote PasteData's hash/pasteType/searchContent are
+     * already assembled, and dropping individual items would break the
+     * hash-content consistency that markDeleteSameHash dedup relies on. The
+     * sender keeps the full data, so nothing is lost.
+     */
+    private suspend fun discardOversizedRemoteNonFilePaste(pasteData: PasteData): Boolean {
+        val maxSize = fileUtils.bytesSize(commonConfigManager.getCurrentConfig().maxNonFilePasteSize)
+        val oversized =
+            pasteData.getPasteAppearItems().any {
+                DiscardOversizedNonFilePlugin.isNonFilePasteType(it.getPasteType()) && it.size > maxSize
+            }
+        if (!oversized) {
+            return false
+        }
+        logger.info {
+            "Discard oversized remote non-file paste from ${pasteData.appInstanceId}: " +
+                "size=${pasteData.size}, limit=$maxSize"
+        }
+        val deviceName =
+            syncRuntimeInfoDao
+                .getSyncRuntimeInfo(pasteData.appInstanceId)
+                ?.getDeviceDisplayName()
+                ?: pasteData.appInstanceId
+        notificationManager.sendNotification(
+            title = { it.getText("remote_non_file_paste_discarded_too_large", deviceName) },
+            messageType = MessageType.Warning,
+        )
+        return true
+    }
+
     suspend fun releaseRemotePasteData(
         pasteData: PasteData,
         tryWritePasteboard: (PasteData) -> Unit,
     ): Result<Unit> {
         return runCatching {
+            if (discardOversizedRemoteNonFilePaste(pasteData)) {
+                return@runCatching
+            }
             val remotePasteDataId = pasteData.id
             val isFileType = pasteData.isFileType()
             val existIconFile: Boolean? =

app/src/commonMain/kotlin/com/crosspaste/paste/plugin/process/DiscardOversizedNonFilePlugin.kt

@@ -0,0 +1,69 @@
+package com.crosspaste.paste.plugin.process
+
+import com.crosspaste.config.CommonConfigManager
+import com.crosspaste.notification.MessageType
+import com.crosspaste.notification.NotificationManager
+import com.crosspaste.paste.PasteType
+import com.crosspaste.paste.item.PasteCoordinate
+import com.crosspaste.paste.item.PasteItem
+import com.crosspaste.utils.getFileUtils
+import io.github.oshai.kotlinlogging.KotlinLogging
+
+/**
+ * Discards non-file paste items larger than [com.crosspaste.config.AppConfig.maxNonFilePasteSize].
+ *
+ * Only non-file carrier types (text/html/rtf/url/color) are subject to the limit;
+ * file and image pastes store their payload on disk and are governed by
+ * maxSyncFileSize instead. Oversized items are silently dropped (flavor
+ * degradation); a notification is pushed only when every item is discarded —
+ * the resulting empty list makes PasteReleaseService mark-delete the paste row.
+ */
+class DiscardOversizedNonFilePlugin(
+    private val configManager: CommonConfigManager,
+    private val notificationManager: NotificationManager,
+) : PasteProcessPlugin {
+
+    companion object {
+        private val NON_FILE_PASTE_TYPES =
+            setOf(
+                PasteType.TEXT_TYPE,
+                PasteType.HTML_TYPE,
+                PasteType.RTF_TYPE,
+                PasteType.URL_TYPE,
+                PasteType.COLOR_TYPE,
+            )
+
+        private val fileUtils = getFileUtils()
+
+        fun isNonFilePasteType(pasteType: PasteType): Boolean = pasteType in NON_FILE_PASTE_TYPES
+    }
+
+    private val logger = KotlinLogging.logger {}
+
+    override fun process(
+        pasteCoordinate: PasteCoordinate,
+        pasteItems: List<PasteItem>,
+        source: String?,
+    ): List<PasteItem> {
+        val maxSize = fileUtils.bytesSize(configManager.getCurrentConfig().maxNonFilePasteSize)
+        val retainedItems =
+            pasteItems.filter { pasteItem ->
+                val oversized =
+                    isNonFilePasteType(pasteItem.getPasteType()) && pasteItem.size > maxSize
+                if (oversized) {
+                    logger.info {
+                        "Discard oversized ${pasteItem.getPasteType().name} paste item: " +
+                            "size=${pasteItem.size}, limit=$maxSize, id=${pasteCoordinate.id}"
+                    }
+                }
+                !oversized
+            }
+        if (retainedItems.isEmpty() && pasteItems.isNotEmpty()) {
+            notificationManager.sendNotification(
+                title = { it.getText("non_file_paste_discarded_too_large") },
+                messageType = MessageType.Warning,
+            )
+        }
+        return retainedItems
+    }
+}

app/src/commonMain/kotlin/com/crosspaste/ui/settings/PasteboardSettingsContentView.kt

@@ -15,6 +15,7 @@ import com.composables.icons.materialsymbols.rounded.Content_paste
 import com.composables.icons.materialsymbols.rounded.Music_note
 import com.composables.icons.materialsymbols.rounded.Skip_next
 import com.composables.icons.materialsymbols.rounded.Stacks
+import com.composables.icons.materialsymbols.rounded.Title
 import com.crosspaste.config.CommonConfigManager
 import com.crosspaste.paste.PasteboardService
 import com.crosspaste.ui.LocalThemeExtState
@@ -90,6 +91,19 @@ fun PasteboardSettingsContentView(extContent: @Composable () -> Unit = {}) {
                         }
                     },
                 )
+                HorizontalDivider(modifier = Modifier.padding(start = xxxxLarge))
+                SettingListItem(
+                    title = "max_non_file_paste_size",
+                    subtitle = "max_non_file_paste_size_desc",
+                    icon = IconData(MaterialSymbols.Rounded.Title, themeExt.cyanIconColor),
+                    trailingContent = {
+                        Counter(defaultValue = config.maxNonFilePasteSize, unit = "MB", rule = {
+                            it > 0
+                        }) { currentMaxNonFilePasteSize ->
+                            configManager.updateConfig("maxNonFilePasteSize", currentMaxNonFilePasteSize)
+                        }
+                    },
+                )
                 extContent()
             }
         }

app/src/desktopMain/kotlin/com/crosspaste/DesktopPasteComponentModule.kt

@@ -32,6 +32,7 @@ import com.crosspaste.paste.getDesktopPasteboardService
 import com.crosspaste.paste.item.DefaultPasteItemReader
 import com.crosspaste.paste.item.PasteItemReader
 import com.crosspaste.paste.item.UpdatePasteItemHelper
+import com.crosspaste.paste.plugin.process.DiscardOversizedNonFilePlugin
 import com.crosspaste.paste.plugin.process.DistinctPlugin
 import com.crosspaste.paste.plugin.process.FileToUrlPlugin
 import com.crosspaste.paste.plugin.process.FilesToImagesPlugin
@@ -165,11 +166,13 @@ fun desktopPasteComponentModule(headless: Boolean): Module =
                 commonConfigManager = get(),
                 currentPaste = get(),
                 database = get(),
+                notificationManager = get(),
                 pasteDao = get(),
                 pasteItemReader = get(),
                 pasteProcessPlugins =
                     listOf(
                         RemoveInvalidPlugin,
+                        DiscardOversizedNonFilePlugin(get(), get()),
                         DistinctPlugin(get()),
                         GenerateTextPlugin(get()),
                         GenerateUrlPlugin,
@@ -181,6 +184,7 @@ fun desktopPasteComponentModule(headless: Boolean): Module =
                         SortPlugin,
                     ),
                 searchContentService = get(),
+                syncRuntimeInfoDao = get(),
                 taskSubmitter = get(),
                 userDataPathProvider = get(),
             )

app/src/desktopMain/kotlin/com/crosspaste/config/DesktopAppConfig.kt

@@ -39,6 +39,8 @@ data class DesktopAppConfig(
     override val maxBackupFileSize: Long = 32,
     override val enabledSyncFileSizeLimit: Boolean = true,
     override val maxSyncFileSize: Long = 512,
+    // MB
+    override val maxNonFilePasteSize: Long = 8,
     override val useDefaultStoragePath: Boolean = true,
     override val storagePath: String = "",
     override val enableSoundEffect: Boolean = true,
@@ -141,6 +143,7 @@ data class DesktopAppConfig(
                     enabledSyncFileSizeLimit
                 },
             maxSyncFileSize = if (key == "maxSyncFileSize") toLong(value) else maxSyncFileSize,
+            maxNonFilePasteSize = if (key == "maxNonFilePasteSize") toLong(value) else maxNonFilePasteSize,
             useDefaultStoragePath = if (key == "useDefaultStoragePath") toBoolean(value) else useDefaultStoragePath,
             storagePath = if (key == "storagePath") toString(value) else storagePath,
             enableSoundEffect = if (key == "enableSoundEffect") toBoolean(value) else enableSoundEffect,

app/src/desktopMain/kotlin/com/crosspaste/ui/settings/Settings.desktop.kt

@@ -1,7 +1,7 @@
 package com.crosspaste.ui.settings
 
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.heightIn
 import androidx.compose.material3.ListItem
 import androidx.compose.material3.ListItemDefaults
 import androidx.compose.material3.MaterialTheme
@@ -32,8 +32,8 @@ actual fun SettingListItem(
     ListItem(
         modifier =
             Modifier
-                .height(
-                    if (isSmallItem) xxxxLarge else huge,
+                .heightIn(
+                    min = if (isSmallItem) xxxxLarge else huge,
                 ).then(
                     if (onClick != null) Modifier.clickable { onClick() } else Modifier,
                 ),
@@ -78,8 +78,8 @@ actual fun SettingListItem(
     ListItem(
         modifier =
             Modifier
-                .height(
-                    if (isSmallItem) xxxxLarge else huge,
+                .heightIn(
+                    min = if (isSmallItem) xxxxLarge else huge,
                 ).then(
                     if (onClick != null) Modifier.clickable { onClick() } else Modifier,
                 ),
@@ -117,8 +117,8 @@ actual fun SettingListItem(
     ListItem(
         modifier =
             Modifier
-                .height(
-                    if (isSmallItem) xxxxLarge else huge,
+                .heightIn(
+                    min = if (isSmallItem) xxxxLarge else huge,
                 ).then(
                     if (onClick != null) Modifier.clickable { onClick() } else Modifier,
                 ),
@@ -152,8 +152,8 @@ actual fun SettingListSwitchItem(
     val isSmallItem = LocalSmallSettingItemState.current
     ListItem(
         modifier =
-            Modifier.height(
-                if (isSmallItem) xxxxLarge else huge,
+            Modifier.heightIn(
+                min = if (isSmallItem) xxxxLarge else huge,
             ),
         headlineContent = { Text(copywriter.getText(title), style = MaterialTheme.typography.bodyMedium) },
         supportingContent =

app/src/desktopMain/resources/i18n/de.properties

@@ -138,6 +138,8 @@ local_version_low_desc=Aktuelle Softwareversion zu niedrig, Upgrade empfohlen.
 manual_clear=Manuelle Bereinigung
 manual_proxy_configuration=Manuelle Proxy-Konfiguration
 max_back_up_file_size=Maximale Backup-Dateigröße
+max_non_file_paste_size=Maximale Größe für Nicht-Datei-Einträge
+max_non_file_paste_size_desc=Dateien und Bilder sind nicht betroffen
 max_sync_file_size=Maximale Sync-Dateigröße
 maximum_storage=Maximaler Speicher
 mcp_claude_config_hint=Führen Sie diesen Befehl im Terminal aus, um CrossPaste zu Claude Code hinzuzufügen:
@@ -169,6 +171,7 @@ no_data_found=Keine Daten gefunden
 no_data_import=Kein Datenimport
 no_new_version_available=Keine neue Version verfügbar
 new_version_available=Eine neue Version ist verfügbar
+non_file_paste_discarded_too_large=Text-, HTML-, Rich-Text- oder Link-Inhalt ist zu groß und wurde nicht gespeichert
 update_available=Eine neue Version ist verfügbar
 update_available_dialog_desc=Eine neuere Version von CrossPaste ist bereit. Jetzt aktualisieren, um herunterzuladen und neu zu starten, oder später.
 update_now=Jetzt aktualisieren
@@ -265,6 +268,7 @@ relative_seconds_ago=vor %s Sekunden
 relative_weeks_ago=vor %s Wochen
 relative_years_ago=vor %s Jahren
 remote=Remote
+remote_non_file_paste_discarded_too_large=Text-, HTML-, Rich-Text- oder Link-Inhalt von %s ist zu groß und wurde nicht synchronisiert
 remote_version_low_desc=Softwareversion des verbundenen Geräts zu niedrig, Upgrade empfohlen.
 remove=Entfernen
 remove_blacklist=Von der Blacklist entfernen

app/src/desktopMain/resources/i18n/en.properties

@@ -138,6 +138,8 @@ local_version_low_desc=Current software version is too low, upgrading is recomme
 manual_clear=Manual clear
 manual_proxy_configuration=Manual proxy configuration
 max_back_up_file_size=Max back up file size
+max_non_file_paste_size=Max non-file paste size
+max_non_file_paste_size_desc=Files and images are not limited
 max_sync_file_size=Max sync file size
 maximum_storage=Maximum Storage
 mcp_claude_config_hint=Run this command in your terminal to add CrossPaste to Claude Code:
@@ -169,6 +171,7 @@ no_data_found=No data found
 no_data_import=No data import
 no_new_version_available=No new version available
 new_version_available=A new version is available
+non_file_paste_discarded_too_large=Text, HTML, rich text, or link content is too large and was not recorded
 update_available=A new version is available
 update_available_dialog_desc=A newer version of CrossPaste is ready. Update now to download and restart, or do it later.
 update_now=Update now
@@ -265,6 +268,7 @@ relative_seconds_ago=%s seconds ago
 relative_weeks_ago=%s weeks ago
 relative_years_ago=%s years ago
 remote=Remote
+remote_non_file_paste_discarded_too_large=Text, HTML, rich text, or link content from %s is too large and was not synced
 remote_version_low_desc=Connected device software version is too low, upgrading is recommended.
 remove=Remove
 remove_blacklist=Remove from blacklist

app/src/desktopMain/resources/i18n/es.properties

@@ -138,6 +138,8 @@ local_version_low_desc=La versión actual de software es demasiado baja, se reco
 manual_clear=Limpieza manual
 manual_proxy_configuration=Configuración manual de proxy
 max_back_up_file_size=Tamaño máximo de archivo backup
+max_non_file_paste_size=Tamaño máximo de elementos que no son archivos
+max_non_file_paste_size_desc=Los archivos e imágenes no están limitados
 max_sync_file_size=Tamaño máximo de archivo de sincronización
 maximum_storage=Almacenamiento máximo
 mcp_claude_config_hint=Ejecute este comando en su terminal para añadir CrossPaste a Claude Code:
@@ -169,6 +171,7 @@ no_data_found=No se encontraron datos
 no_data_import=No hay datos para importar
 no_new_version_available=No hay una nueva versión disponible
 new_version_available=Hay una nueva versión disponible
+non_file_paste_discarded_too_large=El contenido de texto, HTML, texto enriquecido o enlace es demasiado grande y no se registró
 update_available=Hay una nueva versión disponible
 update_available_dialog_desc=Hay una versión más reciente de CrossPaste lista. Actualiza ahora para descargar y reiniciar, o hazlo más tarde.
 update_now=Actualizar ahora
@@ -265,6 +268,7 @@ relative_seconds_ago=hace %s segundos
 relative_weeks_ago=hace %s semanas
 relative_years_ago=hace %s años
 remote=Remoto
+remote_non_file_paste_discarded_too_large=El contenido de texto, HTML, texto enriquecido o enlace de %s es demasiado grande y no se sincronizó
 remote_version_low_desc=La versión de software del dispositivo conectado es demasiado baja, se recomienda actualizar.
 remove=Eliminar
 remove_blacklist=Quitar de la lista negra

app/src/desktopMain/resources/i18n/fa.properties

@@ -138,6 +138,8 @@ local_version_low_desc=نسخه نرم‌افزار فعلی بیش از حد ق
 manual_clear=پاک‌سازی دستی
 manual_proxy_configuration=پیکربندی دستی پروکسی
 max_back_up_file_size=حداکثر اندازه فایل پشتیبان
+max_non_file_paste_size=حداکثر اندازه موارد غیرفایلی
+max_non_file_paste_size_desc=فایل‌ها و تصاویر محدود نمی‌شوند
 max_sync_file_size=حداکثر اندازه فایل برای همگام‌سازی
 maximum_storage=حداکثر فضای ذخیره‌سازی
 mcp_claude_config_hint=این دستور را در ترمینال اجرا کنید تا CrossPaste به Claude Code اضافه شود:
@@ -169,6 +171,7 @@ no_data_found=داده‌ای یافت نشد
 no_data_import=داده‌ای برای درون‌ریزی نیست
 no_new_version_available=نسخه جدیدی در دسترس نیست
 new_version_available=نسخه جدیدی در دسترس است
+non_file_paste_discarded_too_large=محتوای متن / HTML / متن غنی / پیوند بسیار بزرگ است و ثبت نشد
 update_available=نسخه جدیدی در دسترس است
 update_available_dialog_desc=نسخه جدیدتری از CrossPaste آماده است. اکنون به‌روزرسانی کنید تا دانلود و راه‌اندازی مجدد شود، یا بعداً انجام دهید.
 update_now=اکنون به‌روزرسانی کن
@@ -265,6 +268,7 @@ relative_seconds_ago=%s ثانیه پیش
 relative_weeks_ago=%s هفته پیش
 relative_years_ago=%s سال پیش
 remote=ریموت
+remote_non_file_paste_discarded_too_large=محتوای متن / HTML / متن غنی / پیوند از %s بسیار بزرگ است و همگام‌سازی نشد
 remote_version_low_desc=نسخه نرم‌افزار دستگاه متصل بیش از حد قدیمی است، ارتقا توصیه می‌شود.
 remove=حذف
 remove_blacklist=حذف از لیست سیاه