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| const WHAM_USAGE_URL = "https://chatgpt.com/backend-api/wham/usage";
function text(msg, status = 400) {
return new Response(msg, { status });
}
function json(data, status = 200) {
return new Response(JSON.stringify(data, null, 2), {
status,
headers: { "content-type": "application/json; charset=utf-8" },
});
}
function parseIntSafe(value, fallback) {
const n = Number.parseInt(String(value ?? ""), 10);
return Number.isFinite(n) && n > 0 ? n : fallback;
}
function getAccountId(item) {
for (const key of ["chatgpt_account_id", "chatgptAccountId", "account_id", "accountId"]) {
const value = item?.[key];
if (typeof value === "string" && value.trim()) return value.trim();
}
let token = item?.id_token;
if (typeof token === "string") {
try {
token = JSON.parse(token);
} catch {
token = null;
}
}
if (token && typeof token === "object") {
for (const key of ["chatgpt_account_id", "chatgptAccountId", "account_id", "accountId"]) {
const value = token?.[key];
if (typeof value === "string" && value.trim()) return value.trim();
}
}
return "";
}
function mgmtHeaders(env, includeJson = false) {
const headers = {
Authorization: `Bearer ${env.MANAGEMENT_KEY}`,
Accept: "application/json, text/plain, */*",
};
if (includeJson) headers["Content-Type"] = "application/json";
return headers;
}
async function fetchJSON(url, init) {
const resp = await fetch(url, init);
const bodyText = await resp.text();
let body = null;
if (bodyText) {
try {
body = JSON.parse(bodyText);
} catch {
body = bodyText;
}
}
return { ok: resp.ok, status: resp.status, body };
}
function normalizeAuthFiles(body) {
if (Array.isArray(body)) return body;
if (body && typeof body === "object" && Array.isArray(body.files)) return body.files;
return [];
}
async function scanAndDelete401(env) {
if (!env.MANAGEMENT_KEY || !env.MANAGEMENT_KEY.trim()) {
return { ok: false, error: "MANAGEMENT_KEY is empty" };
}
const upstream = new URL(env.UPSTREAM_BASE_URL);
const typeFilter = (env.WARDEN_TARGET_TYPE || "codex").trim().toLowerCase();
const providerFilter = (env.WARDEN_PROVIDER || "").trim().toLowerCase();
const maxScan = parseIntSafe(env.WARDEN_MAX_SCAN, 500);
const listRes = await fetchJSON(`${upstream.origin}/v0/management/auth-files`, {
method: "GET",
headers: mgmtHeaders(env, false),
});
if (!listRes.ok) {
return {
ok: false,
error: "failed to fetch auth-files",
status: listRes.status,
details: listRes.body,
};
}
const files = normalizeAuthFiles(listRes.body);
const candidates = files
.filter((item) => {
const typ = String(item?.type || "").trim().toLowerCase();
const provider = String(item?.provider || "").trim().toLowerCase();
if (typeFilter && typ !== typeFilter) return false;
if (providerFilter && provider !== providerFilter) return false;
return true;
})
.slice(0, maxScan);
const invalid401 = [];
for (const item of candidates) {
const name = String(item?.name || "").trim();
const authIndex = String(item?.auth_index || "").trim();
if (!name) continue;
if (item?.unavailable === true) {
invalid401.push({ name, reason: "unavailable=true" });
continue;
}
const accountId = getAccountId(item);
if (!authIndex || !accountId) continue;
const payload = {
auth_index: authIndex,
request: {
method: "GET",
url: WHAM_USAGE_URL,
headers: {
Authorization: "Bearer $TOKEN$",
"Content-Type": "application/json",
"User-Agent": "codex_cli_rs/0.76.0 (Cloudflare Worker)",
"Chatgpt-Account-Id": accountId,
},
},
};
const probe = await fetchJSON(`${upstream.origin}/v0/management/api-call`, {
method: "POST",
headers: mgmtHeaders(env, true),
body: JSON.stringify(payload),
});
if (!probe.ok || typeof probe.body !== "object" || probe.body === null) continue;
if (probe.body.status_code === 401) {
invalid401.push({ name, reason: "status_code=401" });
}
}
const deleted = [];
const failed = [];
for (const item of invalid401) {
const del = await fetchJSON(
`${upstream.origin}/v0/management/auth-files?name=${encodeURIComponent(item.name)}`,
{ method: "DELETE", headers: mgmtHeaders(env, false) }
);
const success = del.ok && del.body && typeof del.body === "object" && del.body.status === "ok";
if (success) {
deleted.push(item.name);
} else {
failed.push({
name: item.name,
status: del.status,
details: del.body,
});
}
}
return {
ok: true,
scanned: candidates.length,
detected_401: invalid401.length,
deleted_401: deleted.length,
deleted_names: deleted,
delete_failed: failed,
filters: {
type: typeFilter || null,
provider: providerFilter || null,
max_scan: maxScan,
},
};
}
function isWardenAuthorized(request, env) {
const required = (env.WARDEN_TOKEN || "").trim();
if (!required) return true;
const fromHeader = request.headers.get("x-warden-token") || "";
if (fromHeader === required) return true;
const auth = request.headers.get("authorization") || "";
return auth === `Bearer ${required}`;
}
export default {
async fetch(request, env) {
const base = (env.UPSTREAM_BASE_URL || "").trim();
if (!base) return text("UPSTREAM_BASE_URL not configured", 500);
let upstream;
try {
upstream = new URL(base);
} catch {
return text("Invalid UPSTREAM_BASE_URL", 500);
}
const incoming = new URL(request.url);
if (incoming.pathname === "/warden/maintain-401") {
if (!isWardenAuthorized(request, env)) return text("Unauthorized", 401);
if (request.method !== "POST" && request.method !== "GET") {
return text("Method Not Allowed", 405);
}
const result = await scanAndDelete401(env);
return json(result, result.ok ? 200 : 500);
}
const edgeToken = (env.EDGE_BEARER_TOKEN || "").trim();
if (edgeToken) {
const auth = request.headers.get("authorization") || "";
if (auth !== `Bearer ${edgeToken}`) return text("Unauthorized", 401);
}
if (incoming.pathname === "/") {
return Response.redirect(new URL("/management.html#/login", incoming.origin).toString(), 302);
}
const target = new URL(incoming.pathname + incoming.search, upstream.origin);
const headers = new Headers(request.headers);
headers.set("x-forwarded-host", incoming.host);
headers.set("x-forwarded-proto", incoming.protocol.replace(":", ""));
headers.set("x-forwarded-for", request.headers.get("cf-connecting-ip") || "");
headers.delete("cf-connecting-ip");
headers.delete("cf-ipcountry");
headers.delete("cf-ray");
headers.delete("cf-visitor");
const proxied = new Request(target.toString(), {
method: request.method,
headers,
body: request.body,
redirect: "manual",
});
return fetch(proxied);
},
async scheduled(_event, env, ctx) {
const base = (env.UPSTREAM_BASE_URL || "").trim();
if (!base) return;
let upstream;
try {
upstream = new URL(base);
} catch {
return;
}
const enableKeepalive = String(env.ENABLE_KEEPALIVE || "true").toLowerCase() === "true";
const keepalivePath = String(env.KEEPALIVE_PATH || "/").trim() || "/";
const enableCronWarden = String(env.ENABLE_CRON_WARDEN || "false").toLowerCase() === "true";
if (enableKeepalive) {
const keepaliveURL = new URL(keepalivePath, upstream.origin).toString();
ctx.waitUntil(
fetch(keepaliveURL, { method: "GET" }).catch(() => null)
);
}
if (enableCronWarden) {
ctx.waitUntil(scanAndDelete401(env).catch(() => null));
}
},
};
|
