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ark-stronghold-protocol/public/js/skland/captcha.js
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herryyun 7c25c89992
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实现账号绑定、持久登录与跨设备对局恢复
2026-10-14 23:22:50 +08:00

70 lines
2.9 KiB
JavaScript

// Interactive Geetest hand-off, following the official HG account SDK. The user completes the provider's widget;
// only its proof is returned to the original login request. No phone, password or account token is sent here.
const scripts = new Map();
const PROVIDERS = {
v4: { src: 'https://static.geetest.com/v4/gt4.js', init: 'initGeetest4' },
v3: { src: 'https://static.geetest.com/static/tools/gt.js', init: 'initGeetest' },
};
async function loadProvider(version) {
const provider = PROVIDERS[version];
if (typeof globalThis[provider.init] === 'function') return;
if (!scripts.has(version)) {
const pending = new Promise((resolve, reject) => {
const script = document.createElement('script');
const fail = () => { clearTimeout(timer); script.remove(); reject(new Error('captcha_load')); };
const timer = setTimeout(fail, 20_000);
script.src = provider.src;
script.async = true;
script.onerror = fail;
script.onload = () => {
clearTimeout(timer);
if (typeof globalThis[provider.init] === 'function') resolve();
else fail();
};
document.head.append(script);
});
scripts.set(version, pending);
pending.catch(() => scripts.delete(version));
}
await scripts.get(version);
}
/**
* Called only by the user's captcha button. `scope` and `load` allow isolated widget contract tests without a
* network call or a real challenge. Resolves null on user cancellation; never completes a real puzzle itself.
*/
export async function solveCaptcha(challenge, { scope = globalThis, load = loadProvider } = {}) {
const version = challenge.geetestId ? 'v4' : challenge.gt && challenge.challenge ? 'v3' : null;
if (!version) throw new Error('captcha_type');
await load(version);
return new Promise((resolve, reject) => {
let settled = false;
const init = scope[PROVIDERS[version].init];
const options = version === 'v4'
? { captchaId: challenge.geetestId, riskType: challenge.riskType, product: 'bind', language: 'zho' }
: { gt: challenge.gt, challenge: challenge.challenge, new_captcha: challenge.new_captcha,
offline: false, product: 'bind', https: true, lang: 'zh-cn' };
init(options, (widget) => {
const finish = (proof, error) => {
if (settled) return;
settled = true;
widget.destroy?.();
if (error) reject(error); else resolve(proof);
};
widget.onSuccess(() => {
const proof = widget.getValidate();
if (!proof) { finish(null, new Error('captcha_validate')); return; }
finish(version === 'v4' ? { ...proof, challenge: challenge.challenge } : proof);
});
widget.onError((error) => {
if (error?.error_code !== 'error_01') finish(null, new Error('captcha_validate'));
});
widget.onClose(() => finish(null));
widget.onReady(() => {
if (version === 'v4') widget.showCaptcha(); else widget.verify();
});
});
});
}