Add max memo content length config option

api/v1/system.go

@@ -26,6 +26,8 @@ type SystemStatus struct {
 	DisablePublicMemos bool `json:"disablePublicMemos"`
 	// Max upload size.
 	MaxUploadSizeMiB int `json:"maxUploadSizeMiB"`
+	// Max memo content length.
+	MaxMemoContentLength int `json:"maxMemoContentLength"`
 	// Additional style.
 	AdditionalStyle string `json:"additionalStyle"`
 	// Additional script.
@@ -75,8 +77,9 @@ func (s *APIV1Service) GetSystemStatus(c echo.Context) error {
 			Version: s.Profile.Version,
 		},
 		// Allow sign up by default.
-		AllowSignUp:      true,
-		MaxUploadSizeMiB: 32,
+		AllowSignUp:          true,
+		MaxUploadSizeMiB:     32,
+		MaxMemoContentLength: 8192,
 		CustomizedProfile: CustomizedProfile{
 			Name:       "Memos",
 			Locale:     "en",
@@ -122,6 +125,8 @@ func (s *APIV1Service) GetSystemStatus(c echo.Context) error {
 			systemStatus.DisablePublicMemos = baseValue.(bool)
 		case SystemSettingMaxUploadSizeMiBName.String():
 			systemStatus.MaxUploadSizeMiB = int(baseValue.(float64))
+		case SystemSettingMaxMemoContentLengthName.String():
+			systemStatus.MaxMemoContentLength = int(baseValue.(float64))
 		case SystemSettingAdditionalStyleName.String():
 			systemStatus.AdditionalStyle = baseValue.(string)
 		case SystemSettingAdditionalScriptName.String():

api/v1/system_setting.go

@@ -27,6 +27,8 @@ const (
 	SystemSettingDisablePublicMemosName SystemSettingName = "disable-public-memos"
 	// SystemSettingMaxUploadSizeMiBName is the name of max upload size setting.
 	SystemSettingMaxUploadSizeMiBName SystemSettingName = "max-upload-size-mib"
+	// SystemSettingMaxMemoContentLengthName is the name of max memo content length setting.
+	SystemSettingMaxMemoContentLengthName SystemSettingName = "max-memo-content-length"
 	// SystemSettingAdditionalStyleName is the name of additional style.
 	SystemSettingAdditionalStyleName SystemSettingName = "additional-style"
 	// SystemSettingAdditionalScriptName is the name of additional script.
@@ -209,6 +211,11 @@ func (upsert UpsertSystemSettingRequest) Validate() error {
 		if err := json.Unmarshal([]byte(upsert.Value), &value); err != nil {
 			return errors.Errorf(systemSettingUnmarshalError, settingName)
 		}
+	case SystemSettingMaxMemoContentLengthName:
+		var value int
+		if err := json.Unmarshal([]byte(upsert.Value), &value); err != nil {
+			return errors.Errorf(systemSettingUnmarshalError, settingName)
+		}
 	case SystemSettingAdditionalStyleName:
 		var value string
 		if err := json.Unmarshal([]byte(upsert.Value), &value); err != nil {

api/v2/memo_service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"strconv"
 	"time"
 
 	"github.com/google/cel-go/cel"
@@ -27,10 +28,6 @@ import (
 	"github.com/usememos/memos/store"
 )
 
-const (
-	MaxContentLength = 8 * 1024
-)
-
 func (s *APIV2Service) CreateMemo(ctx context.Context, request *apiv2pb.CreateMemoRequest) (*apiv2pb.CreateMemoResponse, error) {
 	user, err := getCurrentUser(ctx, s.Store)
 	if err != nil {
@@ -39,7 +36,14 @@ func (s *APIV2Service) CreateMemo(ctx context.Context, request *apiv2pb.CreateMe
 	if user == nil {
 		return nil, status.Errorf(codes.PermissionDenied, "permission denied")
 	}
-	if len(request.Content) > MaxContentLength {
+
+	maxContentLengthSetting := s.Store.GetSystemSettingValueWithDefault(ctx, apiv1.SystemSettingMaxMemoContentLengthName.String(), "8192")
+	settingMaxContentLength, err := strconv.Atoi(maxContentLengthSetting)
+	if err != nil {
+		log.Warn("Failed to parse max content length", zap.Error(err))
+	}
+
+	if len(request.Content) > settingMaxContentLength {
 		return nil, status.Errorf(codes.InvalidArgument, "content too long")
 	}
 
@@ -302,7 +306,13 @@ func (s *APIV2Service) UpdateMemo(ctx context.Context, request *apiv2pb.UpdateMe
 			}
 		}
 	}
-	if update.Content != nil && len(*update.Content) > MaxContentLength {
+	maxContentLengthSetting := s.Store.GetSystemSettingValueWithDefault(ctx, apiv1.SystemSettingMaxMemoContentLengthName.String(), "8192")
+	settingMaxContentLength, err := strconv.Atoi(maxContentLengthSetting)
+	if err != nil {
+		log.Warn("Failed to parse max content length", zap.Error(err))
+	}
+
+	if update.Content != nil && len(*update.Content) > settingMaxContentLength {
 		return nil, status.Errorf(codes.InvalidArgument, "content too long")
 	}
 

web/src/components/MemoEditor/index.tsx

@@ -25,6 +25,7 @@ import Editor, { EditorRefActions } from "./Editor";
 import RelationListView from "./RelationListView";
 import ResourceListView from "./ResourceListView";
 import { handleEditorKeydownWithMarkdownShortcuts, hyperlinkHighlightedText } from "./handlers";
+import { ClientError } from "nice-grpc-web";
 
 interface Props {
   className?: string;

web/src/components/Settings/SystemSection.tsx

@@ -19,6 +19,7 @@ interface State {
   additionalStyle: string;
   additionalScript: string;
   maxUploadSizeMiB: number;
+  maxMemoContentLength: number;
   memoDisplayWithUpdatedTs: boolean;
 }
 
@@ -34,6 +35,7 @@ const SystemSection = () => {
     additionalScript: systemStatus.additionalScript,
     disablePublicMemos: systemStatus.disablePublicMemos,
     maxUploadSizeMiB: systemStatus.maxUploadSizeMiB,
+    maxMemoContentLength: systemStatus.maxMemoContentLength,
     memoDisplayWithUpdatedTs: systemStatus.memoDisplayWithUpdatedTs,
   });
   const [telegramBotToken, setTelegramBotToken] = useState<string>("");
@@ -238,10 +240,34 @@ const SystemSection = () => {
     });
   };
 
+  const handleMaxMemoContentLengthChanged = async (event: React.FocusEvent<HTMLInputElement>) => {
+    // fixes cursor skipping position on mobile
+    event.target.selectionEnd = event.target.value.length;
+
+    let num = parseInt(event.target.value);
+    if (Number.isNaN(num)) {
+      num = 0;
+    }
+    setState({
+      ...state,
+      maxMemoContentLength: num,
+    });
+    event.target.value = num.toString();
+    globalStore.setSystemStatus({ maxMemoContentLength: num });
+    await api.upsertSystemSetting({
+      name: "max-memo-content-length",
+      value: JSON.stringify(num),
+    });
+  };
+
   const handleMaxUploadSizeFocus = (event: React.FocusEvent<HTMLInputElement>) => {
     event.target.select();
   };
 
+  const handleMaxMemoContentLengthFocus = (event: React.FocusEvent<HTMLInputElement>) => {
+    event.target.select();
+  };
+
   return (
     <div className="w-full flex flex-col gap-2 pt-2 pb-4">
       <p className="font-medium text-gray-700 dark:text-gray-500">{t("common.basic")}</p>
@@ -296,6 +322,20 @@ const SystemSection = () => {
           onChange={handleMaxUploadSizeChanged}
         />
       </div>
+      <div className="w-full flex flex-row justify-between items-center">
+        <div className="flex flex-row items-center">
+          <span className="text-sm mr-1">{t("setting.system-section.max-memo-content-length")}</span>
+        </div>
+        <Input
+          className="w-16"
+          sx={{
+            fontFamily: "monospace",
+          }}
+          defaultValue={state.maxMemoContentLength}
+          onFocus={handleMaxMemoContentLengthFocus}
+          onChange={handleMaxMemoContentLengthChanged}
+        />
+      </div>
       <Divider className="!mt-3 !my-4" />
       <div className="w-full flex flex-row justify-between items-center">
         <div className="flex flex-row items-center">

web/src/locales/de.json

@@ -345,6 +345,7 @@
       "enable-password-login-warning": "Dadurch wird die Passwortanmeldung für alle Benutzer aktiviert. Fahre nur fort, wenn du möchtest, dass sich Benutzer sowohl mit SSO als auch mit einem Passwort anmelden können",
       "max-upload-size": "Maximale Uploadgröße (MiB)",
       "max-upload-size-hint": "Empfohlene Wert ist 32 MiB.",
+      "max-memo-content-length": "Maximale Länge des Memo-Inhalts",
       "server-name": "Servername",
       "telegram-bot-token": "Telegram Bot Token",
       "telegram-bot-token-description": "Telegram Bot Token oder API Proxy, wie `http…/bot<token>`",

web/src/locales/en.json

@@ -256,6 +256,7 @@
       "disable-public-memos": "Disable public memos",
       "max-upload-size": "Maximum upload size (MiB)",
       "max-upload-size-hint": "Recommended value is 32 MiB.",
+      "max-memo-content-length": "Maximum memo content length",
       "vacuum-hint": "Cleans up unused data.",
       "additional-style": "Additional style",
       "additional-script": "Additional script",

web/src/locales/es.json

@@ -123,7 +123,8 @@
       "additional-style-placeholder": "Código CSS adicional",
       "additional-script-placeholder": "Código JavaScript adicional",
       "disable-public-memos": "Deshabilitar notas públicas",
-      "display-with-updated-time": "Display with updated time"
+      "display-with-updated-time": "Display with updated time",
+      "max-memo-content-length": "Longitud máxima del contenido de la nota"
     },
     "appearance-option": {
       "system": "Según el sistema",

web/src/locales/fr.json

@@ -354,6 +354,7 @@
       "enable-password-login-warning": "Ceci activera la connexion par mot de passe pour tous les utilisateurs. Ne continuez que si vous souhaitez que les utilisateurs puissent se connecter à la fois par SSO et par mot de passe",
       "max-upload-size": "Taille maximale du téléversement (MiB)",
       "max-upload-size-hint": "La valeur recommandée est 32 MiB.",
+      "max-memo-content-length": "Longueur maximale du contenu du memo",
       "server-name": "Nom du serveur",
       "telegram-bot-token": "Jeton du Bot Telegram",
       "telegram-bot-token-description": "Jeton du Bot Telegram ou API Proxy comme `http…/bot<token>`",

web/src/locales/hr.json

@@ -352,6 +352,7 @@
       "enable-password-login-warning": "Ovo će omogućiti prijavu lozinkom za sve korisnike.",
       "max-upload-size": "Maximalna veličina uploada (MiB)",
       "max-upload-size-hint": "Preporučena vrijednost je 32 MiB.",
+      "max-memo-content-length": "Maximalna duljina sadržaja memoa",
       "server-name": "Ime servera",
       "telegram-bot-token": "Token Telegram Bota",
       "telegram-bot-token-description": "Telegram Bot Token ili API Proxy kao `http.../bot<token>`",

web/src/locales/it.json

@@ -339,6 +339,7 @@
       "enable-password-login-warning": "Ciò consentirà l'accesso tramite password per tutti gli utenti. Continua solo se desideri che gli utenti possano accedere utilizzando sia SSO che password❗",
       "max-upload-size": "Dimensione massima caricamento (MiB)",
       "max-upload-size-hint": "Valore consigliato di 32 MiB.",
+      "max-memo-content-length": "Lunghezza massima memo",
       "server-name": "Nome server",
       "telegram-bot-token": "Token Bot Telegram",
       "telegram-bot-token-description": "Token bot Telegram o API Proxy come `http.../bot<token>`",

web/src/locales/ja.json

@@ -336,6 +336,7 @@
       "enable-password-login-warning": "これにより、すべてのユーザーのパスワードでのログインが有効になります。SSOとパスワードの両方を使用してログインできるようにしたい場合のみ、続行してください❗",
       "max-upload-size": "最大ファイルサイズ(MiB)",
       "max-upload-size-hint": "推奨サイズは32 MiBです。",
+      "max-memo-content-length": "メモの最大文字数",
       "server-name": "サーバーの名前",
       "telegram-bot-token": "Telegram Bot Token",
       "telegram-bot-token-description": "Telegram Bot TokenかAPI Proxyを`http.../bot<token>`のように入力してください。",

web/src/locales/ko.json

@@ -349,6 +349,7 @@
       "enable-password-login-warning": "모든 사용자가 비밀번호를 사용해서 로그인할 수 있게 합니다. 사용자들이 SSO와 비밀번호 둘 다 사용할 수 있게 하고 싶은 경우에만 켜 주세요",
       "max-upload-size": "최대 업로드 크기 (MiB)",
       "max-upload-size-hint": "권장값은 32 MiB입니다.",
+      "max-memo-content-length": "메모 내용 최대 길이",
       "server-name": "서버 이름",
       "telegram-bot-token": "텔레그램 봇 연동",
       "telegram-bot-token-description": "`http…/bot<token>` 형태의 API 프록시 또는 텔레그램 봇 토큰",

web/src/locales/nl.json

@@ -182,6 +182,7 @@
       "disable-public-memos": "Openbare memos uitzetten",
       "max-upload-size": "Maximum uploadgrootte (MiB)",
       "max-upload-size-hint": "32 MiB wordt aangeraden.",
+      "max-memo-content-length": "Maximum memo inhoudslengte",
       "display-with-updated-time": "Laten zien met bewerkte tijd",
       "telegram-bot-token": "Telegram bot token",
       "telegram-bot-token-description": "Telegram bot token of API proxy zoals `http://.../bot<token>`",

web/src/locales/pl.json

@@ -224,7 +224,8 @@
       "database-file-size": "Rozmiar bazy danych",
       "disable-public-memos": "Wyłącz publiczne notatki",
       "display-with-updated-time": "Display with updated time",
-      "server-name": "Nazwa serwera"
+      "server-name": "Nazwa serwera",
+      "max-memo-content-length": "Maksymalna długość treści notatki"
     }
   },
   "tag-list": {

web/src/locales/pt-BR.json

@@ -353,6 +353,7 @@
       "enable-password-login-warning": "Isso permitirá o login com senha para todos os usuários. Continue apenas se desejar que os usuários possam fazer login usando SSO e senha local❗",
       "max-upload-size": "Tamanho máximo de upload (MiB)",
       "max-upload-size-hint": "O valor recomendado é 32 MiB.",
+      "max-memo-content-length": "Tamanho máximo do conteúdo do memo",
       "server-name": "Nome do servidor",
       "telegram-bot-token": "Token de Bot do Telegram",
       "telegram-bot-token-description": "Token de Bot do Telegram ou Proxy de API, tipo `http…/bot<token>`",

web/src/locales/ru.json

@@ -326,6 +326,7 @@
       "display-with-updated-time": "Отображать время обновления записи",
       "max-upload-size": "Максимальный размер загрузки (МБ)",
       "max-upload-size-hint": "Рекомендуемое значение 32 MБ.",
+      "max-memo-content-length": "Максимальная длина записи",
       "server-name": "Имя сервера",
       "telegram-bot-token": "Токен Telegram бота",
       "telegram-bot-token-description": "Токен Telegram бота или прокси API вида `http.../bot<token>`",

web/src/locales/sl.json

@@ -161,7 +161,8 @@
       "additional-script": "Dodatne skripte",
       "additional-style-placeholder": "Dodatna CSS koda",
       "additional-script-placeholder": "Dodatna JavaScript koda",
-      "display-with-updated-time": "Display with updated time"
+      "display-with-updated-time": "Display with updated time",
+      "max-memo-content-length": "Največja dolžina vsebine beležke"
     },
     "appearance-option": {
       "system": "Sledi sistemu",

web/src/locales/sv.json

@@ -121,7 +121,8 @@
       "additional-style-placeholder": "Ytterligare CSS kod",
       "additional-script-placeholder": "Ytterligare JavaScript kod",
       "disable-public-memos": "Inaktivera offentliga anteckningar",
-      "display-with-updated-time": "Display with updated time"
+      "display-with-updated-time": "Display with updated time",
+      "max-memo-content-length": "Max anteckningslängd"
     },
     "appearance-option": {
       "system": "Follow system",

web/src/locales/tr.json

@@ -112,7 +112,8 @@
       "additional-style-placeholder": "Ek CSS",
       "additional-script-placeholder": "Ek JavaScript",
       "disable-public-memos": "Halka açık notları devre dışı bırak",
-      "display-with-updated-time": "Display with updated time"
+      "display-with-updated-time": "Display with updated time",
+      "max-memo-content-length": "Maksimum not içeriği uzunluğu"
     },
     "appearance-option": {
       "system": "Otomatik",

web/src/locales/uk.json

@@ -121,7 +121,8 @@
       "additional-style-placeholder": "Додатковий CSS",
       "additional-script-placeholder": "Додатковий JavaScript",
       "disable-public-memos": "Disable public memos",
-      "display-with-updated-time": "Display with updated time"
+      "display-with-updated-time": "Display with updated time",
+      "max-memo-content-length": "Максимальна довжина нотатки"
     },
     "appearance-option": {
       "system": "Автоматично",

web/src/locales/vi.json

@@ -121,7 +121,8 @@
       "additional-style-placeholder": "Mã CSS bổ sung",
       "additional-script-placeholder": "Mã JavaScript bổ sung",
       "disable-public-memos": "Vô hiệu hóa ghi chú công khai",
-      "display-with-updated-time": "Display with updated time"
+      "display-with-updated-time": "Display with updated time",
+      "max-memo-content-length": "Độ dài tối đa của nội dung ghi chú"
     },
     "storage": "Kho lưu trữ",
     "sso": "SSO",

web/src/locales/zh-Hans.json

@@ -349,6 +349,7 @@
       "enable-password-login-warning": "启用所有用户的密码登录。如果希望用户同时使用单点登录和密码登录，请开启密码登录",
       "max-upload-size": "最大上传大小 (MiB)",
       "max-upload-size-hint": "建议值为 32 MiB。",
+      "max-memo-content-length": "最大备忘录内容长度",
       "server-name": "服务名称",
       "telegram-bot-token": "Telegram 机器人 Token",
       "telegram-bot-token-description": "Telegram 机器人 Token 或 `http…/bot<token>` 格式的代理地址",

web/src/locales/zh-Hant.json

@@ -353,6 +353,7 @@
       "enable-password-login-warning": "啟用所有使用者的密碼登入。如果希望使用者同時使用 SSO 和密碼登入，請開啟密碼登入",
       "max-upload-size": "最大上傳檔案大小 (MiB)",
       "max-upload-size-hint": "建議值為 32 MiB。",
+      "max-memo-content-length": "最大備忘錄內容長度",
       "server-name": "伺服器名稱",
       "telegram-bot-token": "Telegram 機器人權杖",
       "telegram-bot-token-description": "Telegram 機器人權杖或 API Proxy，如 `http.../bot<token>`",

web/src/types/modules/system.d.ts

@@ -21,6 +21,7 @@ interface SystemStatus {
   disablePasswordLogin: boolean;
   disablePublicMemos: boolean;
   maxUploadSizeMiB: number;
+  maxMemoContentLength: number;
   additionalStyle: string;
   additionalScript: string;
   customizedProfile: CustomizedProfile;