Avoid breaking the entire UI when naughty characters are present in the file name or directory; closes #2575

resources/scripts/api/server/files/saveFileContents.ts

@@ -1,18 +1,10 @@
 import http from '@/api/http';
 
-export default (uuid: string, file: string, content: string): Promise<void> => {
-    return new Promise((resolve, reject) => {
-        http.post(
-            `/api/client/servers/${uuid}/files/write`,
-            content,
-            {
-                params: { file },
-                headers: {
-                    'Content-Type': 'text/plain',
-                },
-            },
-        )
-            .then(() => resolve())
-            .catch(reject);
+export default async (uuid: string, file: string, content: string): Promise<void> => {
+    await http.post(`/api/client/servers/${uuid}/files/write`, content, {
+        params: { file },
+        headers: {
+            'Content-Type': 'text/plain',
+        },
     });
 };

resources/scripts/components/elements/ErrorBoundary.tsx

@@ -0,0 +1,39 @@
+import React from 'react';
+import tw from 'twin.macro';
+import Icon from '@/components/elements/Icon';
+import { faExclamationTriangle } from '@fortawesome/free-solid-svg-icons';
+
+interface State {
+    hasError: boolean;
+}
+
+// eslint-disable-next-line @typescript-eslint/ban-types
+class ErrorBoundary extends React.Component<{}, State> {
+    state: State = {
+        hasError: false,
+    };
+
+    static getDerivedStateFromError () {
+        return { hasError: true };
+    }
+
+    componentDidCatch (error: Error) {
+        console.error(error);
+    }
+
+    render () {
+        return this.state.hasError ?
+            <div css={tw`flex items-center justify-center w-full my-4`}>
+                <div css={tw`flex items-center bg-neutral-900 rounded p-3 text-red-500`}>
+                    <Icon icon={faExclamationTriangle} css={tw`h-4 w-auto mr-2`}/>
+                    <p css={tw`text-sm text-neutral-100`}>
+                        An error was encountered by the application while rendering this view. Try refreshing the page.
+                    </p>
+                </div>
+            </div>
+            :
+            this.props.children;
+    }
+}
+
+export default ErrorBoundary;

resources/scripts/components/server/files/FileEditContainer.tsx

@@ -16,6 +16,7 @@ import Select from '@/components/elements/Select';
 import modes from '@/modes';
 import useFlash from '@/plugins/useFlash';
 import { ServerContext } from '@/state/server';
+import ErrorBoundary from '@/components/elements/ErrorBoundary';
 
 const LazyCodemirrorEditor = lazy(() => import(/* webpackChunkName: "editor" */'@/components/elements/CodemirrorEditor'));
 
@@ -60,9 +61,7 @@ export default () => {
         setLoading(true);
         clearFlashes('files:view');
         fetchFileContent()
-            .then(content => {
-                return saveFileContents(uuid, name || hash.replace(/^#/, ''), content);
-            })
+            .then(content => saveFileContents(uuid, encodeURIComponent(name || hash.replace(/^#/, '')), content))
             .then(() => {
                 if (name) {
                     history.push(`/server/${id}/files/edit#/${name}`);
@@ -87,7 +86,9 @@ export default () => {
     return (
         <PageContentBlock>
             <FlashMessageRender byKey={'files:view'} css={tw`mb-4`}/>
-            <FileManagerBreadcrumbs withinFileEditor isNewFile={action !== 'edit'}/>
+            <ErrorBoundary>
+                <FileManagerBreadcrumbs withinFileEditor isNewFile={action !== 'edit'}/>
+            </ErrorBoundary>
             {hash.replace(/^#/, '').endsWith('.pteroignore') &&
             <div css={tw`mb-4 p-4 border-l-4 bg-neutral-900 rounded border-cyan-400`}>
                 <p css={tw`text-neutral-300 text-sm`}>

resources/scripts/components/server/files/FileManagerBreadcrumbs.tsx

@@ -33,10 +33,10 @@ export default ({ withinFileEditor, isNewFile }: Props) => {
         .filter(directory => !!directory)
         .map((directory, index, dirs) => {
             if (!withinFileEditor && index === dirs.length - 1) {
-                return { name: decodeURIComponent(directory) };
+                return { name: decodeURIComponent(encodeURIComponent(directory)) };
             }
 
-            return { name: decodeURIComponent(directory), path: `/${dirs.slice(0, index + 1).join('/')}` };
+            return { name: decodeURIComponent(encodeURIComponent(directory)), path: `/${dirs.slice(0, index + 1).join('/')}` };
         });
 
     const onSelectAllClick = (e: React.ChangeEvent<HTMLInputElement>) => {
@@ -79,7 +79,7 @@ export default ({ withinFileEditor, isNewFile }: Props) => {
             }
             {file &&
             <React.Fragment>
-                <span css={tw`px-1 text-neutral-300`}>{decodeURIComponent(file)}</span>
+                <span css={tw`px-1 text-neutral-300`}>{decodeURIComponent(encodeURIComponent(file))}</span>
             </React.Fragment>
             }
         </div>

resources/scripts/components/server/files/FileManagerContainer.tsx

@@ -17,6 +17,7 @@ import MassActionsBar from '@/components/server/files/MassActionsBar';
 import UploadButton from '@/components/server/files/UploadButton';
 import ServerContentBlock from '@/components/elements/ServerContentBlock';
 import { useStoreActions } from '@/state/hooks';
+import ErrorBoundary from '@/components/elements/ErrorBoundary';
 
 const sortFiles = (files: FileObject[]): FileObject[] => {
     return files.sort((a, b) => a.name.localeCompare(b.name))
@@ -50,7 +51,9 @@ export default () => {
 
     return (
         <ServerContentBlock title={'File Manager'} showFlashKey={'files'}>
-            <FileManagerBreadcrumbs/>
+            <ErrorBoundary>
+                <FileManagerBreadcrumbs/>
+            </ErrorBoundary>
             {
                 !files ?
                     <Spinner size={'large'} centered/>
@@ -81,18 +84,20 @@ export default () => {
                             </CSSTransition>
                         }
                         <Can action={'file.create'}>
-                            <div css={tw`flex flex-wrap-reverse justify-end mt-4`}>
-                                <NewDirectoryButton css={tw`w-full flex-none mt-4 sm:mt-0 sm:w-auto sm:mr-4`}/>
-                                <UploadButton css={tw`flex-1 mr-4 sm:flex-none sm:mt-0`}/>
-                                <NavLink
-                                    to={`/server/${id}/files/new${window.location.hash}`}
-                                    css={tw`flex-1 sm:flex-none sm:mt-0`}
-                                >
-                                    <Button css={tw`w-full`}>
-                                        New File
-                                    </Button>
-                                </NavLink>
-                            </div>
+                            <ErrorBoundary>
+                                <div css={tw`flex flex-wrap-reverse justify-end mt-4`}>
+                                    <NewDirectoryButton css={tw`w-full flex-none mt-4 sm:mt-0 sm:w-auto sm:mr-4`}/>
+                                    <UploadButton css={tw`flex-1 mr-4 sm:flex-none sm:mt-0`}/>
+                                    <NavLink
+                                        to={`/server/${id}/files/new${window.location.hash}`}
+                                        css={tw`flex-1 sm:flex-none sm:mt-0`}
+                                    >
+                                        <Button css={tw`w-full`}>
+                                            New File
+                                        </Button>
+                                    </NavLink>
+                                </div>
+                            </ErrorBoundary>
                         </Can>
                     </>
             }

resources/scripts/components/server/files/NewDirectoryButton.tsx

@@ -13,6 +13,7 @@ import useFlash from '@/plugins/useFlash';
 import useFileManagerSwr from '@/plugins/useFileManagerSwr';
 import { WithClassname } from '@/components/types';
 import FlashMessageRender from '@/components/FlashMessageRender';
+import ErrorBoundary from '@/components/elements/ErrorBoundary';
 
 interface Values {
     directoryName: string;
@@ -92,9 +93,9 @@ export default ({ className }: WithClassname) => {
                                 <span css={tw`text-neutral-200`}>This directory will be created as</span>
                                 &nbsp;/home/container/
                                 <span css={tw`text-cyan-200`}>
-                                    {decodeURIComponent(
-                                        join(directory, values.directoryName).replace(/^(\.\.\/|\/)+/, ''),
-                                    )}
+                                    {decodeURIComponent(encodeURIComponent(
+                                        join(directory, values.directoryName).replace(/^(\.\.\/|\/)+/, '')
+                                    ))}
                                 </span>
                             </p>
                             <div css={tw`flex justify-end`}>

resources/scripts/routers/ServerRouter.tsx

@@ -28,6 +28,7 @@ import NetworkContainer from '@/components/server/network/NetworkContainer';
 import InstallListener from '@/components/server/InstallListener';
 import StartupContainer from '@/components/server/startup/StartupContainer';
 import requireServerPermission from '@/hoc/requireServerPermission';
+import ErrorBoundary from '@/components/elements/ErrorBoundary';
 
 const ServerRouter = ({ match, location }: RouteComponentProps<{ id: string }>) => {
     const rootAdmin = useStoreState(state => state.user.data!.rootAdmin);
@@ -120,7 +121,7 @@ const ServerRouter = ({ match, location }: RouteComponentProps<{ id: string }>)
                             message={'Please check back in a few minutes.'}
                         />
                         :
-                        <>
+                        <ErrorBoundary>
                             <TransitionRouter>
                                 <Switch location={location}>
                                     <Route path={`${match.path}`} component={ServerConsole} exact/>
@@ -173,7 +174,7 @@ const ServerRouter = ({ match, location }: RouteComponentProps<{ id: string }>)
                                     <Route path={'*'} component={NotFound}/>
                                 </Switch>
                             </TransitionRouter>
-                        </>
+                        </ErrorBoundary>
                     }
                 </>
             }