File size: 4,282 Bytes
bc4a7e8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | import { Buffer } from "node:buffer";
import { randomBytes } from "crypto";
import { NextResponse } from "next/server";
import { z } from "zod";
import { hashCommandCodeAuthState } from "@/lib/db/commandCodeAuth";
export const COMMAND_CODE_AUTH_TTL_MS = 15 * 60 * 1000;
export const COMMAND_CODE_STUDIO_AUTH_URL = "https://commandcode.ai/studio/auth/cli";
export const MAX_CALLBACK_BODY_BYTES = 10 * 1024;
export const COMMAND_CODE_CLI_CALLBACK_PORTS = [
5959, 5960, 5961, 5962, 5963, 5964, 5965, 5966, 5967, 5968,
] as const;
const LOCAL_CALLBACK_ORIGIN = "http://localhost:3000";
const PRODUCTION_CALLBACK_ORIGINS = ["https://commandcode.ai", "https://staging.commandcode.ai"];
export const commandCodeCallbackSchema = z.object({
apiKey: z.string().trim().min(1).max(4096),
state: z.string().trim().min(32).max(512),
userId: z.string().trim().max(256).optional(),
userName: z.string().trim().max(256).optional(),
keyName: z.string().trim().max(256).optional(),
});
export const commandCodeStateSchema = z.object({
state: z.string().trim().min(32).max(512),
});
export const commandCodeApplySchema = commandCodeStateSchema.extend({
connectionId: z.string().trim().min(1).max(256).optional(),
name: z.string().trim().min(1).max(256).optional(),
setDefault: z.boolean().optional(),
});
export function generateCommandCodeState(): string {
return randomBytes(32).toString("base64url");
}
export function stateHashFromState(state: string): string {
return hashCommandCodeAuthState(state);
}
export function noStoreJson(body: unknown, init: ResponseInit = {}): NextResponse {
return NextResponse.json(body, {
...init,
headers: {
"Cache-Control": "no-store",
...(init.headers || {}),
},
});
}
export function getAllowedCallbackOrigin(origin: string | null): string | null {
const allowed =
process.env.NODE_ENV === "production"
? PRODUCTION_CALLBACK_ORIGINS
: [...PRODUCTION_CALLBACK_ORIGINS, LOCAL_CALLBACK_ORIGIN];
return origin && allowed.includes(origin) ? origin : null;
}
export function callbackCorsHeaders(request: Request): HeadersInit {
const requestHeaders = request.headers.get("access-control-request-headers") || "content-type";
const origin = getAllowedCallbackOrigin(request.headers.get("origin"));
const headers: Record<string, string> = {
"Access-Control-Allow-Methods": "POST, OPTIONS",
"Access-Control-Allow-Headers": requestHeaders,
"Access-Control-Allow-Private-Network": "true",
"Content-Type": "application/json",
"Cache-Control": "no-store",
Vary: "Origin, Access-Control-Request-Headers",
};
if (origin) headers["Access-Control-Allow-Origin"] = origin;
return headers;
}
export function rejectDisallowedCallbackOrigin(request: Request): Response | null {
const origin = request.headers.get("origin");
if (!origin || getAllowedCallbackOrigin(origin)) return null;
return new Response(JSON.stringify({ success: false, error: "Origin not allowed" }), {
status: 403,
headers: callbackCorsHeaders(request),
});
}
export async function readJsonBodyWithLimit(request: Request, maxBytes: number): Promise<unknown> {
const reader = request.body?.getReader();
if (!reader) return request.json();
const chunks: Uint8Array[] = [];
let total = 0;
while (true) {
const { value, done } = await reader.read();
if (done) break;
if (!value) continue;
total += value.byteLength;
if (total > maxBytes) {
await reader.cancel();
throw new Error("BODY_TOO_LARGE");
}
chunks.push(value);
}
const body = new TextDecoder().decode(Buffer.concat(chunks));
return JSON.parse(body);
}
export function buildCommandCodeCliCallbackUrl(): string {
const configuredPort = process.env.COMMAND_CODE_CALLBACK_PORT || "";
const port = /^\d+$/.test(configuredPort)
? Number.parseInt(configuredPort, 10)
: COMMAND_CODE_CLI_CALLBACK_PORTS[0];
const safePort = COMMAND_CODE_CLI_CALLBACK_PORTS.includes(
port as (typeof COMMAND_CODE_CLI_CALLBACK_PORTS)[number]
)
? port
: COMMAND_CODE_CLI_CALLBACK_PORTS[0];
return `http://localhost:${safePort}/callback`;
}
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