fix: harden file previews and downloads

This commit is contained in:
Bohdan Triapitsyn
2026-06-13 01:44:03 +03:00
parent 823cefd4b5
commit ca87428216
7 changed files with 305 additions and 59 deletions
@@ -221,7 +221,10 @@ const FileRow: React.FC<FileRowProps> = ({
{!isDir && downloadFile && (
<Item onClick={(e: React.MouseEvent) => {
e.stopPropagation();
void downloadFile(node.path);
void downloadFile(node.path).catch((error) => {
console.error('Download failed:', error);
toast.error(t('sidebarFilesTree.toast.operationFailed'));
});
}}>
<Icon name="download" className="mr-2 h-4 w-4" /> {t('sidebarFilesTree.menu.save')}
</Item>
+153 -51
View File
@@ -358,13 +358,13 @@ const isJsonFile = (path: string): boolean => {
return ext === 'json' || ext === 'jsonc' || ext === 'json5' || ext === 'geojson';
};
const isHtmlFile = (path: string): boolean => {
if (!path) return false;
const ext = path.toLowerCase().split('.').pop();
return ext === 'html' || ext === 'htm';
};
interface FileRowProps {
const isHtmlFile = (path: string): boolean => {
if (!path) return false;
const ext = path.toLowerCase().split('.').pop();
return ext === 'html' || ext === 'htm';
};
interface FileRowProps {
node: FileNode;
root: string;
isExpanded: boolean;
@@ -478,7 +478,10 @@ const FileRow: React.FC<FileRowProps> = ({
{!isDir && downloadFile && (
<Item onClick={(e: React.MouseEvent) => {
e.stopPropagation();
void downloadFile(node.path);
void downloadFile(node.path).catch((error) => {
console.error('Download failed:', error);
toast.error(t('sidebarFilesTree.toast.operationFailed'));
});
}}>
<Icon name="download" className="mr-2 size-4" /> {t('sidebarFilesTree.menu.save')}
</Item>
@@ -769,10 +772,28 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
};
}, []);
const openFiles = React.useMemo(() => openPaths.map(toFileNode), [openPaths, toFileNode]);
const effectiveSelectedPath = React.useMemo(() => selectedPath ?? openPaths[0] ?? null, [openPaths, selectedPath]);
const openFiles = React.useMemo(() => openPaths.map(toFileNode), [openPaths, toFileNode]);
const effectiveSelectedPath = React.useMemo(() => {
if (selectedPath) {
const comparableSelected = toComparablePath(selectedPath);
if (openPaths.some((path) => toComparablePath(path) === comparableSelected)) {
return selectedPath;
}
}
return openPaths[0] ?? null;
}, [openPaths, selectedPath]);
const selectedFile = React.useMemo(() => (effectiveSelectedPath ? toFileNode(effectiveSelectedPath) : null), [effectiveSelectedPath, toFileNode]);
const selectedFilePath = selectedFile?.path ?? '';
React.useEffect(() => {
if (!root || !selectedPath) return;
const comparableSelected = toComparablePath(selectedPath);
const selectedIsOpen = openPaths.some((path) => toComparablePath(path) === comparableSelected);
if (!selectedIsOpen) {
setSelectedPath(root, openPaths[0] ?? null);
}
}, [openPaths, root, selectedPath, setSelectedPath]);
const selectedFileIsOutsideWorkspace = Boolean(root && selectedFilePath && !isPathWithinRoot(selectedFilePath, root));
const selectedOutsideFileGrant = selectedFileIsOutsideWorkspace ? getOutsideFileGrant(selectedFilePath) : undefined;
const selectedFileReadOptions = React.useMemo(
@@ -825,7 +846,9 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
const [fileLoading, setFileLoading] = React.useState(false);
const [fileError, setFileError] = React.useState<string | null>(null);
const [desktopImageSrc, setDesktopImageSrc] = React.useState<string>('');
const desktopImageBlobUrlRef = React.useRef<string>('');
const [imageAssetAuthReadyKey, setImageAssetAuthReadyKey] = React.useState('');
const [htmlAssetAuthReadyKey, setHtmlAssetAuthReadyKey] = React.useState('');
const [pdfAssetAuthReadyKey, setPdfAssetAuthReadyKey] = React.useState('');
const [loadedFilePath, setLoadedFilePath] = React.useState<string | null>(null);
@@ -2835,6 +2858,10 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
const pdfAssetAuthKey = selectedFile?.path && isSelectedPdf
? `${selectedFile.path}|${selectedFileReadOptions.allowOutsideWorkspace ? 'outside' : 'workspace'}|${selectedFileReadOptions.outsideFileGrant ?? ''}`
: '';
const htmlAssetAuthKey = selectedFile?.path && isHtml && htmlViewMode === 'preview' && !runtime.isVSCode
? selectedFile.path
: '';
React.useEffect(() => {
if (!imageAssetAuthKey) {
@@ -2857,6 +2884,33 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
const isImageAssetAuthLoading = Boolean(imageAssetAuthKey && imageAssetAuthReadyKey !== imageAssetAuthKey);
React.useEffect(() => {
if (!htmlAssetAuthKey) {
setHtmlAssetAuthReadyKey('');
return;
}
let cancelled = false;
setHtmlAssetAuthReadyKey('');
void refreshRuntimeUrlAuthToken(getRuntimeApiBaseUrl())
.then((token) => {
if (!cancelled && token) {
setHtmlAssetAuthReadyKey(htmlAssetAuthKey);
}
})
.catch((error) => {
if (!cancelled) {
setFileError(error instanceof Error ? error.message : t('filesView.error.readFileFailed'));
}
});
return () => {
cancelled = true;
};
}, [htmlAssetAuthKey, t]);
const isHtmlAssetAuthLoading = Boolean(htmlAssetAuthKey && htmlAssetAuthReadyKey !== htmlAssetAuthKey);
React.useEffect(() => {
if (!pdfAssetAuthKey) {
setPdfAssetAuthReadyKey('');
@@ -2918,21 +2972,45 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
React.useEffect(() => {
let cancelled = false;
const resolveDesktopImage = async () => {
if (!runtime.isDesktop || !selectedFile?.path || !isSelectedImage || isSelectedSvg) {
setDesktopImageSrc('');
return;
}
setFileError(null);
const srcPromise = files.readFileBinary
? files.readFileBinary(selectedFile.path, selectedFileReadOptions).then((result) => result.dataUrl)
: Promise.resolve(getRuntimeUrlResolver().authenticatedAsset('/api/fs/raw', {
path: selectedFile.path,
allowOutsideWorkspace: selectedFileReadOptions.allowOutsideWorkspace ? 'true' : undefined,
outsideFileGrant: selectedFileReadOptions.outsideFileGrant,
}));
const resolveDesktopImage = async () => {
if (!runtime.isDesktop || !selectedFile?.path || !isSelectedImage || isSelectedSvg) {
if (desktopImageBlobUrlRef.current) {
URL.revokeObjectURL(desktopImageBlobUrlRef.current);
desktopImageBlobUrlRef.current = '';
}
setDesktopImageSrc('');
return;
}
setFileError(null);
if (desktopImageBlobUrlRef.current) {
URL.revokeObjectURL(desktopImageBlobUrlRef.current);
desktopImageBlobUrlRef.current = '';
}
const srcPromise = files.readFileBinary
? files.readFileBinary(selectedFile.path, selectedFileReadOptions).then((result) => result.dataUrl)
: (async () => {
const response = await runtimeFetch('/api/fs/raw', {
query: {
path: selectedFile.path,
allowOutsideWorkspace: selectedFileReadOptions.allowOutsideWorkspace ? 'true' : undefined,
outsideFileGrant: selectedFileReadOptions.outsideFileGrant,
},
});
if (!response.ok) {
throw new Error(t('filesView.error.readFileFailed'));
}
const blob = await response.blob();
const url = URL.createObjectURL(blob);
if (cancelled) {
URL.revokeObjectURL(url);
return '';
}
desktopImageBlobUrlRef.current = url;
return url;
})();
await srcPromise
.then((src) => {
@@ -2940,11 +3018,15 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
setDesktopImageSrc(src);
setLoadedFilePath(selectedFile.path);
}
})
.catch((error) => {
if (!cancelled) {
setDesktopImageSrc('');
setFileError(error instanceof Error ? error.message : t('filesView.error.readFileFailed'));
})
.catch((error) => {
if (desktopImageBlobUrlRef.current) {
URL.revokeObjectURL(desktopImageBlobUrlRef.current);
desktopImageBlobUrlRef.current = '';
}
if (!cancelled) {
setDesktopImageSrc('');
setFileError(error instanceof Error ? error.message : t('filesView.error.readFileFailed'));
setLoadedFilePath(null);
}
})
@@ -2957,10 +3039,19 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
void resolveDesktopImage();
return () => {
cancelled = true;
};
}, [files, isSelectedImage, isSelectedSvg, runtime.isDesktop, selectedFile?.path, selectedFileReadOptions, t]);
return () => {
cancelled = true;
};
}, [files, isSelectedImage, isSelectedSvg, runtime.isDesktop, selectedFile?.path, selectedFileReadOptions, t]);
React.useEffect(() => {
return () => {
if (desktopImageBlobUrlRef.current) {
URL.revokeObjectURL(desktopImageBlobUrlRef.current);
desktopImageBlobUrlRef.current = '';
}
};
}, []);
const handleCloseDialog = React.useCallback(() => setActiveDialog(null), []);
@@ -3353,7 +3444,10 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
size="sm"
onClick={() => {
const fn = files.downloadFile;
if (fn) void fn(selectedFile.path);
if (fn) void fn(selectedFile.path).catch((error) => {
console.error('Download failed:', error);
toast.error(t('sidebarFilesTree.toast.operationFailed'));
});
}}
className="size-6 p-0 hover:bg-transparent focus-visible:bg-transparent active:bg-transparent"
title={t('filesView.editor.saveFile')}
@@ -3702,22 +3796,30 @@ export const FilesView: React.FC<FilesViewProps> = ({ mode = 'full' }) => {
/>
</ErrorBoundary>
</div>
) : selectedFile && isHtml && htmlViewMode === 'preview' ? (
<div className="h-full overflow-hidden">
<iframe
srcDoc={(() => {
// Inject base tag for relative paths (CSS/JS/images) to work
const basePath = selectedFile.path.substring(0, selectedFile.path.lastIndexOf('/') + 1);
if (!basePath) return fileContent;
const baseTag = `<base href="${runtime.isDesktop ? basePath : basePath}">`;
return fileContent.replace(/<head([^>]*)>/i, `<head$1>${baseTag}`);
})()}
className="w-full h-full border-none"
sandbox="allow-scripts allow-same-origin allow-forms"
title={t('filesView.editor.htmlPreviewTitle')}
/>
</div>
) : selectedFile && canUseShikiFileView && textViewMode === 'view' ? (
) : selectedFile && isHtml && htmlViewMode === 'preview' ? (
isHtmlAssetAuthLoading ? (
<div className="flex h-full items-center justify-center text-muted-foreground typography-ui-label">
{t('common.loading')}
</div>
) : (
<div className="h-full overflow-hidden">
<iframe
src={!runtime.isVSCode && htmlAssetAuthReadyKey === htmlAssetAuthKey ? (() => {
const encoded = selectedFile.path.split('/').map((segment) => encodeURIComponent(segment)).join('/');
return getRuntimeUrlResolver().authenticatedAsset(`/api/fs/serve${encoded.startsWith('/') ? encoded : `/${encoded}`}`);
})() : undefined}
srcDoc={runtime.isVSCode ? (() => {
const basePath = selectedFile.path.substring(0, selectedFile.path.lastIndexOf('/') + 1);
if (!basePath) return fileContent;
return fileContent.replace(/<head([^>]*)>/i, `<head$1><base href="${basePath}">`);
})() : undefined}
className="w-full h-full border-none"
sandbox="allow-scripts allow-same-origin allow-forms"
title={t('filesView.editor.htmlPreviewTitle')}
/>
</div>
)
) : selectedFile && canUseShikiFileView && textViewMode === 'view' ? (
renderShikiFileView(selectedFile, draftContent)
) : (
<div
@@ -14,6 +14,7 @@ Own filesystem API behavior for the web server runtime, including workspace-boun
- `POST /api/fs/mkdir`
- `GET /api/fs/read`
- `GET /api/fs/raw`
- `GET /api/fs/serve/:path(*)`
- `POST /api/fs/write`
- `POST /api/fs/delete`
- `POST /api/fs/rename`
+93
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@@ -98,6 +98,38 @@ const createGitCheckIgnoreTimeoutMs = () => {
return 2500;
};
const FILE_MIME_MAP = Object.freeze({
'.html': 'text/html',
'.htm': 'text/html',
'.css': 'text/css',
'.js': 'application/javascript',
'.mjs': 'application/javascript',
'.json': 'application/json',
'.wasm': 'application/wasm',
'.xml': 'application/xml',
'.txt': 'text/plain',
'.md': 'text/markdown',
'.pdf': 'application/pdf',
'.csv': 'text/csv',
'.woff2': 'font/woff2',
'.woff': 'font/woff',
'.ttf': 'font/ttf',
'.eot': 'application/vnd.ms-fontobject',
'.mp3': 'audio/mpeg',
'.mp4': 'video/mp4',
'.png': 'image/png',
'.jpg': 'image/jpeg',
'.jpeg': 'image/jpeg',
'.gif': 'image/gif',
'.svg': 'image/svg+xml',
'.webp': 'image/webp',
'.ico': 'image/x-icon',
'.bmp': 'image/bmp',
'.avif': 'image/avif',
});
const MAX_SERVE_BYTES = 100 * 1024 * 1024;
// Only deterministic, side-effect-free git plumbing path queries are cacheable.
// Anything outside this allowlist (including any non-git command) runs normally
// — we never cache arbitrary exec.
@@ -869,6 +901,67 @@ export const registerFsRoutes = (app, dependencies) => {
}
});
app.get(/^\/api\/fs\/serve\/(.+)$/, async (req, res) => {
const rawPath = req.params[0] || '';
if (!rawPath) {
return res.status(400).json({ error: 'Path is required' });
}
try {
if (req.query?.allowOutsideWorkspace === 'true') {
return res.status(403).json({ error: 'allowOutsideWorkspace is not permitted for this endpoint' });
}
const filePath = path.resolve('/', rawPath);
const resolved = await resolveReadPathFromContext({
req,
targetPath: filePath,
resolveProjectDirectory,
path,
os,
normalizeDirectoryPath,
openchamberUserConfigRoot,
});
if (!resolved.ok) {
return res.status(400).json({ error: resolved.error });
}
const [canonicalPath, canonicalBase] = await Promise.all([
fsPromises.realpath(resolved.resolved),
fsPromises.realpath(resolved.base).catch(() => path.resolve(resolved.base)),
]);
if (!isPathWithinRoot(canonicalPath, canonicalBase, path, os)) {
return res.status(403).json({ error: 'Access to file denied' });
}
const stats = await fsPromises.stat(canonicalPath);
if (!stats.isFile()) {
return res.status(400).json({ error: 'Specified path is not a file' });
}
if (stats.size > MAX_SERVE_BYTES) {
return res.status(413).json({ error: 'File too large to serve' });
}
const ext = path.extname(canonicalPath).toLowerCase();
const mimeType = FILE_MIME_MAP[ext] || 'application/octet-stream';
const content = await fsPromises.readFile(canonicalPath);
res.setHeader('Cache-Control', 'no-store');
res.setHeader('X-Content-Type-Options', 'nosniff');
return res.type(mimeType).send(content);
} catch (error) {
const err = error;
if (err && typeof err === 'object' && err.code === 'ENOENT') {
return res.status(404).json({ error: 'File not found' });
}
if (err && typeof err === 'object' && err.code === 'EACCES') {
return res.status(403).json({ error: 'Access to file denied' });
}
console.error('Failed to serve file:', error);
return res.status(500).json({ error: (error && error.message) || 'Failed to serve file' });
}
});
app.post('/api/fs/write', async (req, res) => {
const { path: filePath, content } = req.body || {};
if (!filePath || typeof filePath !== 'string') {
+13 -6
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@@ -270,14 +270,19 @@ const getUrlAuthTokenFromRequest = (req) => {
};
const getRequestPathname = (req) => {
if (typeof req?.path === 'string' && req.path) return req.path;
const rawUrl = req?.originalUrl || req?.url;
if (typeof rawUrl !== 'string' || !rawUrl) return '';
try {
return new URL(rawUrl, 'http://localhost').pathname;
} catch {
return '';
if (typeof rawUrl === 'string' && rawUrl) {
try {
return new URL(rawUrl, 'http://localhost').pathname;
} catch {
// Fall through to Express' derived path fields.
}
}
if (typeof req?.baseUrl === 'string' && req.baseUrl && typeof req?.path === 'string' && req.path) {
return `${req.baseUrl}${req.path}`.replace(/\/+/g, '/');
}
if (typeof req?.path === 'string' && req.path) return req.path;
return '';
};
const isWebSocketUpgrade = (req) => {
@@ -292,6 +297,8 @@ const isUrlAuthReadableHttpPath = (pathname) => {
|| pathname === '/api/openchamber/events'
|| pathname === '/api/notifications/stream'
|| pathname === '/api/fs/raw'
|| pathname === '/api/fs/serve'
|| pathname.startsWith('/api/fs/serve/')
|| pathname.startsWith('/api/preview/proxy/')
|| /^\/api\/terminal\/[^/]+\/stream$/.test(pathname)
|| /^\/api\/projects\/[^/]+\/icon$/.test(pathname);
@@ -182,6 +182,37 @@ describe('ui auth client credential seam', () => {
expect(await auth.ensureSessionToken(urlReq, urlRes)).toBe('client:device-1');
expect(await auth.resolveAuthContext(urlReq, urlRes, { allowUrlToken: false })).toBe(null);
const serveReq = { method: 'GET', path: '/api/fs/serve/tmp/index.html', url: `/api/fs/serve/tmp/index.html?oc_url_token=${encodeURIComponent(urlToken)}`, headers: {} };
const serveRes = createResponse();
let serveCalled = false;
await auth.requireAuth(serveReq, serveRes, () => {
serveCalled = true;
});
expect(serveCalled).toBe(true);
const absoluteServeReq = { method: 'GET', path: '/api/fs/serve/Users/test/project/preview-test.html', url: `/api/fs/serve/Users/test/project/preview-test.html?oc_url_token=${encodeURIComponent(urlToken)}`, headers: {} };
const absoluteServeRes = createResponse();
let absoluteServeCalled = false;
await auth.requireAuth(absoluteServeReq, absoluteServeRes, () => {
absoluteServeCalled = true;
});
expect(absoluteServeCalled).toBe(true);
const mountedServeReq = {
method: 'GET',
baseUrl: '/api',
path: '/fs/serve/Users/test/project/preview-test.html',
originalUrl: `/api/fs/serve/Users/test/project/preview-test.html?oc_url_token=${encodeURIComponent(urlToken)}`,
url: `/fs/serve/Users/test/project/preview-test.html?oc_url_token=${encodeURIComponent(urlToken)}`,
headers: {},
};
const mountedServeRes = createResponse();
let mountedServeCalled = false;
await auth.requireAuth(mountedServeReq, mountedServeRes, () => {
mountedServeCalled = true;
});
expect(mountedServeCalled).toBe(true);
const arbitraryGetReq = { method: 'GET', path: '/api/config/settings', url: `/api/config/settings?oc_url_token=${encodeURIComponent(urlToken)}`, headers: { accept: 'application/json' } };
const arbitraryGetRes = createResponse();
let arbitraryGetCalled = false;
+10 -1
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@@ -243,12 +243,21 @@ export const createWebFilesAPI = ({ urls }: WebFilesAPIOptions): FilesAPI => ({
async downloadFile(path: string): Promise<void> {
const target = normalizePath(path);
const url = urls.rawFile(target, { download: true });
const response = await runtimeFetch('/api/fs/raw', {
query: { path: target, download: true },
});
if (!response.ok) {
throw new Error(`Download failed (${response.status})`);
}
const blob = await response.blob();
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = target.split('/').pop() || 'file';
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
setTimeout(() => URL.revokeObjectURL(url), 100);
},
});