File input (#2270)

* doc

* feat: file upload  config

* perf: chat box file params

* feat: markdown show file

* feat: chat file store and clear

* perf: read file contentType

* feat: llm vision config

* feat: file url output

* perf: plugin error text

* perf: image load

* feat: ai chat document

* perf: file block ui

* feat: read file node

* feat: file read response field

* feat: simple mode support read files

* feat: tool call

* feat: read file histories

* perf: select file

* perf: select file config

* i18n

* i18n

* fix: ts; feat: tool response preview result

projects/app/src/pages/api/common/file/read.ts

@@ -38,7 +38,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
     })();
 
     res.setHeader('Content-Type', `${file.contentType}; charset=${encoding}`);
-    res.setHeader('Cache-Control', 'public, max-age=3600');
+    res.setHeader('Cache-Control', 'public, max-age=31536000');
     res.setHeader('Content-Disposition', `inline; filename="${encodeURIComponent(file.filename)}"`);
 
     stream.pipe(res);

projects/app/src/pages/api/common/file/upload.ts

@@ -1,12 +1,14 @@
 import type { NextApiRequest, NextApiResponse } from 'next';
 import { jsonRes } from '@fastgpt/service/common/response';
-import { connectToDatabase } from '@/service/mongo';
 import { authCert } from '@fastgpt/service/support/permission/auth/common';
 import { uploadFile } from '@fastgpt/service/common/file/gridfs/controller';
 import { getUploadModel } from '@fastgpt/service/common/file/multer';
 import { removeFilesByPaths } from '@fastgpt/service/common/file/utils';
+import { NextAPI } from '@/service/middleware/entry';
+import { createFileToken } from '@fastgpt/service/support/permission/controller';
+import { ReadFileBaseUrl } from '@fastgpt/global/common/file/constants';
 
-export default async function handler(req: NextApiRequest, res: NextApiResponse<any>) {
+async function handler(req: NextApiRequest, res: NextApiResponse<any>) {
   /* Creates the multer uploader */
   const upload = getUploadModel({
     maxSize: (global.feConfigs?.uploadFileMaxSize || 500) * 1024 * 1024
@@ -14,11 +16,8 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
   const filePaths: string[] = [];
 
   try {
-    await connectToDatabase();
     const { file, bucketName, metadata } = await upload.doUpload(req, res);
 
-    filePaths.push(file.path);
-
     const { teamId, tmbId } = await authCert({ req, authToken: true });
 
     if (!bucketName) {
@@ -35,8 +34,21 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
       metadata: metadata
     });
 
-    jsonRes(res, {
-      data: fileId
+    jsonRes<{
+      fileId: string;
+      previewUrl: string;
+    }>(res, {
+      data: {
+        fileId,
+        previewUrl: `${ReadFileBaseUrl}?filename=${file.originalname}&token=${await createFileToken(
+          {
+            bucketName,
+            teamId,
+            tmbId,
+            fileId
+          }
+        )}`
+      }
     });
   } catch (error) {
     jsonRes(res, {
@@ -48,6 +60,8 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
   removeFilesByPaths(filePaths);
 }
 
+export default NextAPI(handler);
+
 export const config = {
   api: {
     bodyParser: false