Files
pangolin/src/app/rdp/RdpClient.tsx
2026-06-04 22:10:38 -07:00

562 lines
21 KiB
TypeScript

"use client";
import { useEffect, useRef, useState } from "react";
import { useForm } from "react-hook-form";
import { zodResolver } from "@hookform/resolvers/zod";
import * as z from "zod";
import { Button } from "@app/components/ui/button";
import { Input } from "@app/components/ui/input";
import {
Form,
FormControl,
FormField,
FormItem,
FormLabel,
FormMessage
} from "@app/components/ui/form";
import { toast } from "@app/hooks/useToast";
import type {
UserInteraction,
IronError,
FileTransferProvider
} from "@devolutions/iron-remote-desktop/dist";
import type {
RdpFileTransferProvider,
FileInfo
} from "@devolutions/iron-remote-desktop-rdp/dist";
import { GetBrowserTargetResponse } from "@server/routers/browserGatewayTarget";
import {
Card,
CardContent,
CardHeader,
CardTitle,
CardDescription
} from "@app/components/ui/card";
import { Alert, AlertDescription } from "@app/components/ui/alert";
import BrandedAuthSurface from "@app/components/BrandedAuthSurface";
import PoweredByPangolin from "@app/components/PoweredByPangolin";
import { useTranslations } from "next-intl";
declare module "react" {
namespace JSX {
interface IntrinsicElements {
"iron-remote-desktop": React.DetailedHTMLProps<
React.HTMLAttributes<HTMLElement> & {
scale?: string;
verbose?: string;
flexcenter?: string;
module?: unknown;
},
HTMLElement
>;
}
}
}
type RdpCredentialsForm = {
username: string;
password: string;
domain: string;
kdcProxyUrl: string;
pcb: string;
enableClipboard: boolean;
};
function loadStoredCredentials(key: string): RdpCredentialsForm {
try {
const saved = localStorage.getItem(key);
if (saved) return JSON.parse(saved) as RdpCredentialsForm;
} catch {
// ignore
}
return {
username: "",
password: "",
domain: "",
kdcProxyUrl: "",
pcb: "",
enableClipboard: true
};
}
const isIronError = (error: unknown): error is IronError => {
return (
typeof error === "object" &&
error !== null &&
typeof (error as IronError).backtrace === "function" &&
typeof (error as IronError).kind === "function"
);
};
export default function RdpClient({
target,
error,
primaryColor
}: {
target: GetBrowserTargetResponse | null;
error: string | null;
primaryColor?: string | null;
}) {
const t = useTranslations();
const STORAGE_KEY = "pangolin_rdp_credentials";
const resourceName = target?.name?.trim() || null;
const formSchema = z.object({
username: z.string().min(1, { message: t("usernameRequired") }),
password: z.string().min(1, { message: t("passwordRequired") }),
domain: z.string(),
kdcProxyUrl: z.string(),
pcb: z.string(),
enableClipboard: z.boolean()
});
const form = useForm<RdpCredentialsForm>({
resolver: zodResolver(formSchema),
defaultValues: loadStoredCredentials(STORAGE_KEY)
});
const [showLogin, setShowLogin] = useState(true);
const [moduleReady, setModuleReady] = useState(false);
const [connecting, setConnecting] = useState(false);
const [submitError, setSubmitError] = useState<string | null>(null);
const [unicodeMode, setUnicodeMode] = useState(false);
const [cursorOverrideActive, setCursorOverrideActive] = useState(false);
const userInteractionRef = useRef<UserInteraction | null>(null);
const backendRef = useRef<unknown>(null);
// Holds the RdpFileTransferProvider constructor so we can create a fresh
// instance per session (avoids stale upload state across reconnects).
const fileTransferClassRef = useRef<typeof RdpFileTransferProvider | null>(
null
);
// Active session's provider instance; replaced on each connect.
const fileTransferRef = useRef<RdpFileTransferProvider | null>(null);
const extensionsRef = useRef<{
displayControl: (enable: boolean) => unknown;
preConnectionBlob: (pcb: string) => unknown;
kdcProxyUrl: (url: string) => unknown;
} | null>(null);
// Load the iron-remote-desktop modules client-side and register the
// `<iron-remote-desktop>` custom element.
useEffect(() => {
let cancelled = false;
(async () => {
const [coreMod, rdpMod] = await Promise.all([
import("@devolutions/iron-remote-desktop/dist"),
import("@devolutions/iron-remote-desktop-rdp/dist")
]);
if (cancelled) return;
await rdpMod.init("INFO");
backendRef.current = rdpMod.Backend;
extensionsRef.current = {
displayControl: rdpMod.displayControl,
preConnectionBlob: rdpMod.preConnectionBlob,
kdcProxyUrl: rdpMod.kdcProxyUrl
};
// Store the class; a fresh instance is created per session.
fileTransferClassRef.current =
rdpMod.RdpFileTransferProvider as unknown as typeof RdpFileTransferProvider;
// Importing the package registers the custom element as a side
// effect. Touch the default export to avoid tree-shaking.
void coreMod;
setModuleReady(true);
})().catch((err) => {
console.error("Failed to load iron-remote-desktop modules", err);
toast({
variant: "destructive",
title: t("rdpFailedToLoadModule"),
description: `${err}`
});
});
return () => {
cancelled = true;
};
}, []);
// Attach the "ready" listener synchronously the moment the custom
// element mounts. The custom element dispatches `ready` from its own
// `onMount`, so a deferred useEffect can race and miss it.
const remoteElementRef = (el: HTMLElement | null) => {
if (!el) return;
const onReady = (e: Event) => {
const event = e as CustomEvent;
userInteractionRef.current = event.detail.irgUserInteraction;
};
el.addEventListener("ready", onReady);
};
const startSession = async (values: RdpCredentialsForm) => {
setConnecting(true);
const userInteraction = userInteractionRef.current;
const exts = extensionsRef.current;
if (!userInteraction || !exts) {
setConnecting(false);
setSubmitError(t("rdpModuleInitializing"));
return;
}
userInteraction.setEnableClipboard(values.enableClipboard);
// Dispose any previous session's provider and create a fresh one so
// there is no stale upload state from a prior connection.
fileTransferRef.current?.dispose();
const ProviderClass = fileTransferClassRef.current;
const fileTransfer = ProviderClass ? new ProviderClass() : null;
fileTransferRef.current = fileTransfer;
if (fileTransfer) {
// Auto-download files when the remote copies them to clipboard.
fileTransfer.on("files-available", (files: FileInfo[]) => {
const downloadable = files.filter((f) => !f.isDirectory);
if (downloadable.length === 0) return;
toast({
title: t("rdpDownloadingFiles", {
count: downloadable.length
})
});
for (let i = 0; i < files.length; i++) {
const file = files[i];
if (file.isDirectory) continue;
const { completion } = fileTransfer.downloadFile(file, i);
completion
.then((blob) => {
const url = URL.createObjectURL(blob);
const a = document.createElement("a");
a.href = url;
a.download = file.name;
a.click();
URL.revokeObjectURL(url);
})
.catch((err) => {
toast({
variant: "destructive",
title: t("rdpDownloadFailed", {
fileName: file.name
}),
description: `${err}`
});
});
}
});
// Notify when individual uploads complete (remote pasted a file).
fileTransfer.on("upload-complete", (file: File) => {
toast({ title: t("rdpUploaded", { fileName: file.name }) });
});
// Register with the web component so CLIPRDR extensions are
// wired up before connect() builds the session.
userInteraction.enableFileTransfer(
fileTransfer as unknown as FileTransferProvider
);
}
if (!target) {
setConnecting(false);
setSubmitError(t("rdpNoConnectionTarget"));
return;
}
const destination = `${target.ip}:${target.port}`;
const builder = userInteraction
.configBuilder()
.withUsername(values.username)
.withPassword(values.password)
.withDestination(destination)
.withProxyAddress(
`${window.location.protocol === "https:" ? "wss" : "ws"}://${window.location.host}/gateway/rdp`
)
.withServerDomain(values.domain)
.withAuthToken(target.authToken)
.withDesktopSize({
width: window.innerWidth,
height: window.innerHeight
})
.withExtension(exts.displayControl(true));
if (values.pcb !== "") {
builder.withExtension(exts.preConnectionBlob(values.pcb));
}
if (values.kdcProxyUrl !== "") {
builder.withExtension(exts.kdcProxyUrl(values.kdcProxyUrl));
}
try {
const sessionInfo = await userInteraction.connect(builder.build());
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify(values));
} catch {
// ignore
}
setConnecting(false);
setShowLogin(false);
userInteraction.setVisibility(true);
const termInfo = await sessionInfo.run();
fileTransferRef.current?.dispose();
fileTransferRef.current = null;
setShowLogin(true);
} catch (err) {
setConnecting(false);
setShowLogin(true);
if (isIronError(err)) {
setSubmitError(err.backtrace());
} else {
setSubmitError(`${err}`);
}
}
};
const onSubmit = (values: RdpCredentialsForm) => {
setSubmitError(null);
startSession(values);
};
const ui = () => userInteractionRef.current;
const toggleCursorKind = () => {
const u = ui();
if (!u) return;
if (cursorOverrideActive) {
u.setCursorStyleOverride(null);
} else {
u.setCursorStyleOverride('url("crosshair.png") 7 7, default');
}
setCursorOverrideActive((v) => !v);
};
if (error) {
return (
<BrandedAuthSurface primaryColor={primaryColor}>
<PoweredByPangolin />
<Card className="w-full">
<CardHeader>
<CardTitle>{t("rdpTitle")}</CardTitle>
</CardHeader>
<CardContent>
<Alert variant="destructive">
<AlertDescription>{error}</AlertDescription>
</Alert>
</CardContent>
</Card>
</BrandedAuthSurface>
);
}
return (
<>
{showLogin && (
<BrandedAuthSurface primaryColor={primaryColor}>
<PoweredByPangolin />
<Card className="w-full">
<CardHeader>
<CardTitle>
{resourceName
? `${t("rdpSignInTitle")} - ${resourceName}`
: t("rdpSignInTitle")}
</CardTitle>
<CardDescription>
{resourceName
? `${t("rdpSignInDescription")} (${resourceName})`
: t("rdpSignInDescription")}
</CardDescription>
</CardHeader>
<CardContent>
<Form {...form}>
<form
onSubmit={form.handleSubmit(onSubmit)}
className="space-y-4"
>
<FormField
control={form.control}
name="domain"
render={({ field }) => (
<FormItem>
<FormLabel>
{t("domain")}
</FormLabel>
<FormControl>
<Input {...field} />
</FormControl>
<FormMessage />
</FormItem>
)}
/>
<FormField
control={form.control}
name="username"
render={({ field }) => (
<FormItem>
<FormLabel>
{t("username")}
</FormLabel>
<FormControl>
<Input {...field} />
</FormControl>
<FormMessage />
</FormItem>
)}
/>
<FormField
control={form.control}
name="password"
render={({ field }) => (
<FormItem>
<FormLabel>
{t("password")}
</FormLabel>
<FormControl>
<Input
type="password"
{...field}
/>
</FormControl>
<FormMessage />
</FormItem>
)}
/>
<Button
type="submit"
disabled={!moduleReady || connecting}
loading={connecting}
className="w-full"
>
{t("browserGatewayConnect")}
</Button>
{submitError && (
<Alert variant="destructive">
<AlertDescription>
{submitError}
</AlertDescription>
</Alert>
)}
</form>
</Form>
</CardContent>
</Card>
</BrandedAuthSurface>
)}
<div
className="fixed inset-0 z-50 flex flex-col bg-neutral-900"
style={{ display: showLogin ? "none" : "flex" }}
>
<div className="flex flex-wrap items-center gap-2 bg-black p-2 text-white">
<Button
size="sm"
variant="secondary"
onClick={() => ui()?.setScale(1)}
>
{t("rdpFit")}
</Button>
<Button
size="sm"
variant="secondary"
onClick={() => ui()?.setScale(2)}
>
{t("rdpFull")}
</Button>
<Button
size="sm"
variant="secondary"
onClick={() => ui()?.setScale(3)}
>
{t("rdpReal")}
</Button>
<Button
size="sm"
variant="secondary"
onClick={() => ui()?.ctrlAltDel()}
>
{t("browserGatewayCtrlAltDel")}
</Button>
<Button
size="sm"
variant="secondary"
onClick={() => ui()?.metaKey()}
>
{t("rdpMeta")}
</Button>
{/* <Button
size="sm"
variant="secondary"
onClick={toggleCursorKind}
>
Toggle cursor
</Button> */}
<Button
size="sm"
variant="secondary"
onClick={async () => {
const ft = fileTransferRef.current;
if (!ft) return;
const files = await ft.showFilePicker({
multiple: true
});
if (files.length === 0) return;
try {
ft.uploadFiles(files);
toast({
title: t("rdpFilesReadyToPaste"),
description: t(
"rdpFilesReadyToPasteDescription",
{ count: files.length }
)
});
} catch (err) {
toast({
variant: "destructive",
title: t("rdpUploadFailed"),
description: `${err}`
});
}
}}
>
{t("rdpUploadFiles")}
</Button>
<Button
size="sm"
variant="destructive"
onClick={() => {
ui()?.shutdown();
setShowLogin(true);
}}
>
{t("sshTerminate")}
</Button>
<label className="ml-2 flex items-center gap-2">
<input
type="checkbox"
checked={unicodeMode}
onChange={(e) => {
setUnicodeMode(e.target.checked);
ui()?.setKeyboardUnicodeMode(e.target.checked);
}}
/>
{t("rdpUnicodeKeyboardMode")}
</label>
</div>
{moduleReady && (
<iron-remote-desktop
ref={remoteElementRef}
verbose="true"
scale="fit"
flexcenter="true"
module={backendRef.current}
/>
)}
</div>
</>
);
}