src/vs/platform/agentHost/common/agentHostClientProxyChannel.ts
83 LOC · 80 covered · 3 uncovered · 9 ranges · 11 concepts · 2 introducers · 6 tests
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/*---------------------------------------------------------------------------------------------
agentHostRequestService.ts ×11
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Event } from '../../../base/common/event.js';
import { IChannel, IServerChannel } from '../../../base/parts/ipc/common/ipc.js';
import { AuthInfo, Credentials, IRequestService } from '../../request/common/request.js';
/**
* IPC channel name used for in-process agent-host → renderer reverse proxy
* resolution RPCs. The renderer registers a server channel under this name on
* its `MessagePortClient`; the agent host reaches it via
* `server.getChannel(name, c => c.ctx === clientId)` on its
* `UtilityProcessServer`.
*
* Mirrors {@link AGENT_HOST_CLIENT_BYOK_LM_CHANNEL} for the reverse BYOK bridge.
*/
export const AGENT_HOST_CLIENT_PROXY_CHANNEL = 'agentHostClientProxy';
/**
* Node end of the proxy-resolution bridge: `resolveProxy()` ships the target
* URL to the renderer and resolves with the *raw* result of VS Code's
* `IRequestService.resolveProxy` (the Electron session PAC-style string, e.g.
* `PROXY host:port` / `DIRECT`). The node side feeds this into
* `@vscode/proxy-agent`'s `resolveProxyURL` to derive the final proxy URL.
*/
export interface IAgentHostClientProxyConnection {
resolveProxy(url: string): Promise<string | undefined>;
lookupAuthorization(authInfo: AuthInfo): Promise<Credentials | undefined>;
lookupKerberosAuthorization(url: string): Promise<string | undefined>;
}
/**
* Wraps an {@link IChannel} (obtained from the agent host's
* `UtilityProcessServer.getChannel`) into an {@link IAgentHostClientProxyConnection}.
*/
export function createAgentHostClientProxyConnection(channel: IChannel): IAgentHostClientProxyConnection {
resolveProxy: (url) => channel.call('resolveProxy', { url }) as Promise<string | undefined>,
lookupAuthorization: authInfo => channel.call('lookupAuthorization', { authInfo }) as Promise<Credentials | undefined>,
lookupKerberosAuthorization: url => channel.call('lookupKerberosAuthorization', { url }) as Promise<string | undefined>,
};
}
/**
* Server-side channel for in-process reverse proxy-resolution RPCs from the
* local agent host. Thin adapter — forwards `resolveProxy` calls to the
* renderer's {@link IRequestService}, which resolves the proxy through the
* Electron session (system proxy settings, PAC scripts, etc.). The raw result
* is returned verbatim; the node side derives the proxy URL from it.
*/
export class AgentHostClientProxyChannel implements IServerChannel {
constructor(
@IRequestService private readonly _requestService: IRequestService,
agentHostClientProxyChannel.ts ×4
) { }
listen<T>(_ctx: unknown, event: string): Event<T> {
throw new Error(`No event '${event}' on AgentHostClientProxyChannel`);
}
async call<T>(_ctx: unknown, command: string, arg?: unknown): Promise<T> {
case 'resolveProxy': {
const { url } = arg as { url: string };
const proxy = await this._requestService.resolveProxy(url);
return proxy as T;
}
case 'lookupAuthorization': {
const { authInfo } = arg as { authInfo: AuthInfo };
const credentials = await this._requestService.lookupAuthorization(authInfo);
return credentials as T;
}
case 'lookupKerberosAuthorization': {
const { url } = arg as { url: string };
const authorization = await this._requestService.lookupKerberosAuthorization(url);
return authorization as T;
}
}
throw new Error(`Unknown command '${command}' on AgentHostClientProxyChannel`);