OldTwitter/sandbox.html at master · dimdenGD/OldTwitter · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sandbox</title>
    <meta name="twitter-site-verification" content="loading" />
</head>

<body>
    <div id="anims"></div>
    <script>
        function sleep(ms) {
            return new Promise(resolve => setTimeout(resolve, ms));
        }

        let initError = false, solver;
        let solveChain = Promise.resolve();

        async function waitForSolver() {
            if (solver || initError) return;
            const waits = [50, 100, 500, 1000, 2500, 3000];
            for (const ms of waits) {
                await sleep(ms);
                if (solver || initError) return;
            }
        }

        async function runSolve(event, data) {
            if (initError) {
                console.error('Initialization error');
                event.source.postMessage({ action: 'error', error: 'Initialization error', id: data.id }, event.origin);
                return;
            }
            if (!solver) {
                await waitForSolver();
                if (initError || !solver) {
                    console.error('Solver not initialized');
                    event.source.postMessage({ action: 'error', error: 'Solver timed out', id: data.id }, event.origin);
                    return;
                }
            }
            try {
                let result = await solver(data.path, data.method);
                event.source.postMessage({ action: 'solved', result, id: data.id }, event.origin);
            } catch (e) {
                console.error('Solver error:', e);
                event.source.postMessage({ action: 'error', error: `${e.message}\n${e.stack}`, id: data.id }, event.origin);
            }
        }

        window.addEventListener('message', async function (event) {
            if (event.origin !== 'https://twitter.com' && event.origin !== 'https://x.com') {
                return;
            }
            let data = event.data;
            if (data.action === 'init') {
                try {
                    window.__SCRIPTS_LOADED__ = {
                        runtime: true
                    };
                    const [vendorData, challengeData] = await Promise.all([
                        fetch(`https://abs.twimg.com/responsive-web/client-web/vendor.${data.vendorCode}.js`).then(res => res.text()),
                        fetch(`https://abs.twimg.com/responsive-web/client-web/ondemand.s.${data.challengeCode}a.js`).then(res => res.text())
                    ]);
                    eval(vendorData);

                    let animsDiv = document.getElementById('anims');
                    animsDiv.innerHTML = '';
                    for (let anim of data.anims) {
                        animsDiv.innerHTML += `\n${anim}`;
                    }
                    let verif = document.querySelector('meta[name="twitter-site-verification"]');
                    verif.content = data.verificationCode;
                    const idMatch = challengeData.match(/\.push\(\[\[\d+\],\{(\d+)[:(]/);
                    if (!idMatch) {
                        console.error('Module ID not found');
                        event.source.postMessage({ action: 'initError', error: 'Module ID not found' }, event.origin);
                        initError = true;
                        return;
                    }
                    const id = idMatch[1];

                    const assignMatch = challengeData.match(/(\w+\s*\.\s*default\s*=\s*)\(\s*\)\s*=>/);
                    const propMatch = challengeData.match(/default:\(\)=>(\w+)\}\)/);
                    if (!assignMatch && !propMatch) {
                        console.error('Default export not found');
                        event.source.postMessage({ action: 'initError', error: 'Default export not found' }, event.origin);
                        initError = true;
                        return;
                    }

                    // TO EXTENSION REVIEWERS (mostly Mozilla):
                    // This script is part of Twitter's security challenge, before mindlessly rejecting extension actually review what code does please! It's in sandbox for a reason.
                    // It only ever executes code from trusted Twitter domain, abs.twimg.com (specifically their script that generates security headers)
                    // It's impossible to have it contained in extension itself, since it's generated dynamically
                    // you can see where script is loaded in scripts/twchallenge.js
                    // it also can't use any extension APIs, since it's contained in object url iframe
                    let patchedChallengeData;
                    if (assignMatch) {
                        patchedChallengeData = challengeData.replace(
                            assignMatch[0],
                            `${assignMatch[1]}window.__CHALLENGE_FN__=()=>`
                        );
                    } else {
                        const defaultVar = propMatch[1];
                        patchedChallengeData = challengeData.replace(
                            `default:()=>${defaultVar}`,
                            `default:(window._CHALLENGE=()=>${defaultVar})`
                        );
                    }
                    eval(patchedChallengeData);

                    // 1) Collect all module factories that have already been pushed
                    const chunks = self.webpackChunk_twitter_responsive_web || [];
                    const registry = {};
                    for (const payload of chunks) {
                        // Each payload looks like: [chunkIds, moreModules, runtime]
                        // where moreModules is an object: { [moduleId]: factory }
                        if (payload && payload[1]) Object.assign(registry, payload[1]);
                    }

                    // 2) A minimal __webpack_require__ with a cache and a few helpers
                    const cache = {};
                    function wreq(id) {
                        if (cache[id]) return cache[id].exports;
                        const factory = registry[id];
                        if (!factory) throw new Error("No module with id " + id);

                        const module = { id, loaded: false, exports: {} };
                        cache[id] = module;

                        factory(module, module.exports, wreq);

                        module.loaded = true;
                        return module.exports;
                    }

                    wreq.d = (exports, definition) => {
                        for (const key in definition) {
                            Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
                        }
                    };
                    wreq.r = (exports) => {
                        if (typeof Symbol !== "undefined" && Symbol.toStringTag) {
                            Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
                        }
                        Object.defineProperty(exports, "__esModule", { value: true });
                    };
                    wreq.n = (mod) => {
                        const getter = mod && mod.__esModule ? () => mod.default : () => mod;
                        wreq.d(getter, { a: getter });
                        return getter;
                    };
                    wreq.o = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop);
                    webpackChunk_twitter_responsive_web[1][1][id](chunks, cache, wreq);

                    if (window.__CHALLENGE_FN__) {
                        window._CHALLENGE = () => window.__CHALLENGE_FN__;
                    }
                    solver = window._CHALLENGE()();
                    event.source.postMessage({ action: 'ready' }, event.origin);
                } catch (e) {
                    console.error(e);
                    event.source.postMessage({ action: 'initError', error: String(e) }, event.origin);
                    initError = true;
                }
            } else if (data.action === 'solve') {
                solveChain = solveChain.then(() => runSolve(event, data), () => runSolve(event, data));
            }
        });
    </script>
</body>

</html>