Move client-relative path logic to helper function

server.js

@@ -48,7 +48,7 @@ const { jsonParser, urlencodedParser } = require('./src/express-common.js');
 const contentManager = require('./src/endpoints/content-manager');
 const statsHelpers = require('./statsHelpers.js');
 const { readSecret, migrateSecrets, SECRET_KEYS } = require('./src/endpoints/secrets');
-const { delay, getVersion, getConfigValue, color, uuidv4, humanizedISO8601DateTime, tryParse } = require('./src/util');
+const { delay, getVersion, getConfigValue, color, uuidv4, humanizedISO8601DateTime, tryParse, clientRelativePath } = require('./src/util');
 const { invalidateThumbnail, ensureThumbnailCache } = require('./src/endpoints/thumbnails');
 const { getTokenizerModel, getTiktokenTokenizer, loadTokenizers, TEXT_COMPLETION_MODELS, getSentencepiceTokenizer, sentencepieceTokenizers } = require('./src/endpoints/tokenizers');
 const { convertClaudePrompt } = require('./src/chat-completion');
@@ -1587,10 +1587,7 @@ app.post('/uploadimage', jsonParser, async (request, response) => {
         ensureDirectoryExistence(pathToNewFile);
         const imageBuffer = Buffer.from(base64Data, 'base64');
         await fs.promises.writeFile(pathToNewFile, imageBuffer);
-        // send the path to the image, relative to the client folder, which means removing the first folder from the path which is 'public'
-        // Use forward slashes, even on Windows
-        pathToNewFile = pathToNewFile.split(path.sep).slice(1).join('/');
-        response.send({ path: pathToNewFile });
+        response.send({ path: clientRelativePath(pathToNewFile) });
     } catch (error) {
         console.log(error);
         response.status(500).send({ error: 'Failed to save the image' });

src/endpoints/assets.js

@@ -6,6 +6,7 @@ const fetch = require('node-fetch').default;
 const { finished } = require('stream/promises');
 const { DIRECTORIES, UNSAFE_EXTENSIONS } = require('../constants');
 const { jsonParser } = require('../express-common');
+const { clientRelativePath } = require('../util');
 
 const VALID_CATEGORIES = ['bgm', 'ambient', 'blip', 'live2d'];
 
@@ -99,10 +100,9 @@ router.post('/get', jsonParser, async (_, response) => {
                     const files = getFiles(live2d_folder);
                     //console.debug("FILE FOUND:",files)
                     for (let file of files) {
-                        file = path.normalize(file.replace('public' + path.sep, ''));
                         if (file.includes('model') && file.endsWith('.json')) {
                             //console.debug("Asset live2d model found:",file)
-                            output[folder].push(path.normalize(file).replace(/\\/g, '/'));
+                            output[folder].push(clientRelativePath(file));
                         }
                     }
                     continue;
@@ -115,7 +115,7 @@ router.post('/get', jsonParser, async (_, response) => {
                     });
                 output[folder] = [];
                 for (const file of files) {
-                    output[folder].push(path.join('assets', folder, file).replace(/\\/g, '/'));
+                    output[folder].push(`assets/${folder}/${file}`);
                 }
             }
         }

src/endpoints/files.js

@@ -5,6 +5,7 @@ const router = express.Router();
 const { validateAssetFileName } = require('./assets');
 const { jsonParser } = require('../express-common');
 const { DIRECTORIES } = require('../constants');
+const { clientRelativePath } = require('../util');
 
 router.post('/upload', jsonParser, async (request, response) => {
     try {
@@ -23,7 +24,7 @@ router.post('/upload', jsonParser, async (request, response) => {
 
         const pathToUpload = path.join(DIRECTORIES.files, request.body.name);
         writeFileSyncAtomic(pathToUpload, request.body.data, 'base64');
-        const url = path.normalize(pathToUpload.replace('public' + path.sep, '').replace(/\\/g, '/'));
+        const url = clientRelativePath(pathToUpload);
         return response.send({ path: url });
     } catch (error) {
         console.log(error);

src/util.js

@@ -288,6 +288,16 @@ function tryParse(str) {
     }
 }
 
+/**
+ * Takes a path to a client-accessible file in the `public` folder and converts it to a relative URL segment that the
+ * client can fetch it from. This involves stripping the `public/` prefix and always using `/` as the separator.
+ * @param {string} inputPath The path to be converted.
+ * @returns The relative URL path from which the client can access the file.
+ */
+function clientRelativePath(inputPath) {
+    return path.normalize(inputPath).split(path.sep).slice(1).join('/');
+}
+
 module.exports = {
     getConfig,
     getConfigValue,
@@ -302,4 +312,5 @@ module.exports = {
     uuidv4,
     humanizedISO8601DateTime,
     tryParse,
+    clientRelativePath,
 };