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import type { ExecApprovalDecision } from "../../infra/exec-approvals.js";
import type { ExecApprovalForwarder } from "../../infra/exec-approval-forwarder.js";
import type { ExecApprovalManager } from "../exec-approval-manager.js";
import {
ErrorCodes,
errorShape,
formatValidationErrors,
validateExecApprovalRequestParams,
validateExecApprovalResolveParams,
} from "../protocol/index.js";
import type { GatewayRequestHandlers } from "./types.js";
export function createExecApprovalHandlers(
manager: ExecApprovalManager,
opts?: { forwarder?: ExecApprovalForwarder },
): GatewayRequestHandlers {
return {
"exec.approval.request": async ({ params, respond, context }) => {
if (!validateExecApprovalRequestParams(params)) {
respond(
false,
undefined,
errorShape(
ErrorCodes.INVALID_REQUEST,
`invalid exec.approval.request params: ${formatValidationErrors(
validateExecApprovalRequestParams.errors,
)}`,
),
);
return;
}
const p = params as {
id?: string;
command: string;
cwd?: string;
host?: string;
security?: string;
ask?: string;
agentId?: string;
resolvedPath?: string;
sessionKey?: string;
timeoutMs?: number;
};
const timeoutMs = typeof p.timeoutMs === "number" ? p.timeoutMs : 120_000;
const explicitId = typeof p.id === "string" && p.id.trim().length > 0 ? p.id.trim() : null;
if (explicitId && manager.getSnapshot(explicitId)) {
respond(
false,
undefined,
errorShape(ErrorCodes.INVALID_REQUEST, "approval id already pending"),
);
return;
}
const request = {
command: p.command,
cwd: p.cwd ?? null,
host: p.host ?? null,
security: p.security ?? null,
ask: p.ask ?? null,
agentId: p.agentId ?? null,
resolvedPath: p.resolvedPath ?? null,
sessionKey: p.sessionKey ?? null,
};
const record = manager.create(request, timeoutMs, explicitId);
const decisionPromise = manager.waitForDecision(record, timeoutMs);
context.broadcast(
"exec.approval.requested",
{
id: record.id,
request: record.request,
createdAtMs: record.createdAtMs,
expiresAtMs: record.expiresAtMs,
},
{ dropIfSlow: true },
);
void opts?.forwarder
?.handleRequested({
id: record.id,
request: record.request,
createdAtMs: record.createdAtMs,
expiresAtMs: record.expiresAtMs,
})
.catch((err) => {
context.logGateway?.error?.(`exec approvals: forward request failed: ${String(err)}`);
});
const decision = await decisionPromise;
respond(
true,
{
id: record.id,
decision,
createdAtMs: record.createdAtMs,
expiresAtMs: record.expiresAtMs,
},
undefined,
);
},
"exec.approval.resolve": async ({ params, respond, client, context }) => {
if (!validateExecApprovalResolveParams(params)) {
respond(
false,
undefined,
errorShape(
ErrorCodes.INVALID_REQUEST,
`invalid exec.approval.resolve params: ${formatValidationErrors(
validateExecApprovalResolveParams.errors,
)}`,
),
);
return;
}
const p = params as { id: string; decision: string };
const decision = p.decision as ExecApprovalDecision;
if (decision !== "allow-once" && decision !== "allow-always" && decision !== "deny") {
respond(false, undefined, errorShape(ErrorCodes.INVALID_REQUEST, "invalid decision"));
return;
}
const resolvedBy = client?.connect?.client?.displayName ?? client?.connect?.client?.id;
const ok = manager.resolve(p.id, decision, resolvedBy ?? null);
if (!ok) {
respond(false, undefined, errorShape(ErrorCodes.INVALID_REQUEST, "unknown approval id"));
return;
}
context.broadcast(
"exec.approval.resolved",
{ id: p.id, decision, resolvedBy, ts: Date.now() },
{ dropIfSlow: true },
);
void opts?.forwarder
?.handleResolved({ id: p.id, decision, resolvedBy, ts: Date.now() })
.catch((err) => {
context.logGateway?.error?.(`exec approvals: forward resolve failed: ${String(err)}`);
});
respond(true, { ok: true }, undefined);
},
};
}
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