separate character limits for local and remote notes

packages/backend/src/server/api/endpoints/drive/files/upload-from-url.ts

@@ -4,12 +4,14 @@
  */
 
 import ms from 'ms';
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { GlobalEventService } from '@/core/GlobalEventService.js';
 import { DriveFileEntityService } from '@/core/entities/DriveFileEntityService.js';
 import { DriveService } from '@/core/DriveService.js';
-import { DB_MAX_IMAGE_COMMENT_LENGTH } from '@/const.js';
+import { ApiError } from '@/server/api/error.js';
+import { DI } from '@/di-symbols.js';
+import type { Config } from '@/config.js';
 
 export const meta = {
 	tags: ['drive'],
@@ -26,6 +28,14 @@ export const meta = {
 	prohibitMoved: true,
 
 	kind: 'write:drive',
+
+	errors: {
+		commentTooLong: {
+			message: 'Cannot upload the file because the comment exceeds the instance limit.',
+			code: 'COMMENT_TOO_LONG',
+			id: 'sj3hsm2l-s83j-4sk3-sk3j-sn3k2k4nsm3l',
+		},
+	},
 } as const;
 
 export const paramDef = {
@@ -34,7 +44,7 @@ export const paramDef = {
 		url: { type: 'string' },
 		folderId: { type: 'string', format: 'misskey:id', nullable: true, default: null },
 		isSensitive: { type: 'boolean', default: false },
-		comment: { type: 'string', nullable: true, maxLength: DB_MAX_IMAGE_COMMENT_LENGTH, default: null },
+		comment: { type: 'string', nullable: true, default: null },
 		marker: { type: 'string', nullable: true, default: null },
 		force: { type: 'boolean', default: false },
 	},
@@ -44,11 +54,18 @@ export const paramDef = {
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
+		@Inject(DI.config)
+		private config: Config,
+
 		private driveFileEntityService: DriveFileEntityService,
 		private driveService: DriveService,
 		private globalEventService: GlobalEventService,
 	) {
 		super(meta, paramDef, async (ps, user, _1, _2, _3, ip, headers) => {
+			if (ps.comment && ps.comment.length > this.config.maxAltTextLength) {
+				throw new ApiError(meta.errors.commentTooLong);
+			}
+
 			this.driveService.uploadFromUrl({ url: ps.url, user, folderId: ps.folderId, sensitive: ps.isSensitive, force: ps.force, comment: ps.comment, requestIp: ip, requestHeaders: headers }).then(file => {
 				this.driveFileEntityService.pack(file, { self: true }).then(packedFile => {
 					this.globalEventService.publishMainStream(user.id, 'urlUploadFinished', {