GMB-Scraper/sandbox.html at main · LeadGenerationTools/GMB-Scraper · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Sandbox</title>
</head>
<body>
<script>
// Helper function to add timestamp prefix to console logs
function getTimestamp() {
    var now = new Date();
    return '[' + now.toISOString() + ']';
}

// This sandboxed page can execute arbitrary scripts without CSP restrictions
// It communicates with the content script via postMessage

// Queue to handle parallel requests sequentially
var requestQueue = [];
var isProcessing = false;

function processNextRequest() {
    if (isProcessing || requestQueue.length === 0) {
        return;
    }

    isProcessing = true;
    var request = requestQueue.shift();
    var requestId = request.requestId;
    var htmlContent = request.html;
    var source = request.source;

    console.log(getTimestamp(), 'Processing request', requestId);
    console.log(getTimestamp(), 'HTML length:', htmlContent.length);

    // First, try to extract APP_INITIALIZATION_STATE directly from the HTML string using regex
    // This is more reliable than trying to execute scripts
    var statePatterns = [
        /window\.APP_INITIALIZATION_STATE\s*=\s*(\[[\s\S]*?\]);/,
        /var\s+APP_INITIALIZATION_STATE\s*=\s*(\[[\s\S]*?\]);/,
        /APP_INITIALIZATION_STATE\s*=\s*(\[[\s\S]*?\]);/,
        /"APP_INITIALIZATION_STATE"\s*:\s*(\[[\s\S]*?\])\s*[,}]/,
        /APP_INITIALIZATION_STATE\s*=\s*(\[[^\]]*\])/
    ];

    var appStateString = null;
    var matchedPattern = null;

    for (var p = 0; p < statePatterns.length; p++) {
        var match = htmlContent.match(statePatterns[p]);
        if (match && match[1]) {
            appStateString = match[1];
            matchedPattern = p;
            console.log(getTimestamp(), 'Found APP_INITIALIZATION_STATE using pattern', p, 'for request', requestId);
            break;
        }
    }

    if (appStateString) {
        // Try to parse the extracted data
        try {
            var appState = JSON.parse(appStateString);
            console.log(getTimestamp(), 'Successfully parsed APP_INITIALIZATION_STATE for request', requestId);

            source.postMessage({
                action: 'appStateExtracted',
                requestId: requestId,
                success: true,
                data: appState
            }, '*');

            // Process next request
            isProcessing = false;
            setTimeout(processNextRequest, 10);
            return;

        } catch (parseErr) {
            console.error(getTimestamp(), 'Failed to parse APP_INITIALIZATION_STATE:', parseErr.message);
            console.log(getTimestamp(), 'Extracted string preview:', appStateString.substring(0, 500));
        }
    }

    // If regex extraction failed, try executing scripts
    console.log(getTimestamp(), 'Regex extraction failed, trying script execution...');

    // Extract all inline script content
    var scriptRegex = /<script(?:\s+[^>]*)?>([\s\S]*?)<\/script>/gi;
    var scripts = [];
    var scriptMatch;

    while ((scriptMatch = scriptRegex.exec(htmlContent)) !== null) {
        // Skip script tags with src attribute (external scripts)
        var scriptTag = scriptMatch[0];
        if (!/\ssrc\s*=/.test(scriptTag)) {
            scripts.push(scriptMatch[1]);
        }
    }

    console.log(getTimestamp(), 'Found ' + scripts.length + ' inline scripts to execute for request', requestId);

    // Execute each script in this window's global context
    try {
        for (var i = 0; i < scripts.length; i++) {
            try {
                // Use indirect eval to execute in global scope
                (1, eval)(scripts[i]);
            } catch (scriptErr) {
                console.warn(getTimestamp(), 'Script ' + i + ' execution error:', scriptErr.message);
                // Continue executing other scripts
            }
        }

        // Check for APP_INITIALIZATION_STATE with retries
        var attempts = 0;
        var maxAttempts = 10;

        var checkForState = function() {
            attempts++;

            if (typeof window.APP_INITIALIZATION_STATE !== 'undefined') {
                console.log(getTimestamp(), 'APP_INITIALIZATION_STATE found on attempt', attempts, 'for request', requestId);

                // Clone the data before deleting
                var data = window.APP_INITIALIZATION_STATE;

                source.postMessage({
                    action: 'appStateExtracted',
                    requestId: requestId,
                    success: true,
                    data: data
                }, '*');

                // Clean up
                delete window.APP_INITIALIZATION_STATE;

                // Process next request
                isProcessing = false;
                setTimeout(processNextRequest, 10);

            } else if (attempts < maxAttempts) {
                setTimeout(checkForState, 300);
            } else {
                console.error(getTimestamp(), 'APP_INITIALIZATION_STATE not found after', maxAttempts, 'attempts for request', requestId);
                console.log(getTimestamp(), 'Available window properties:', Object.keys(window).filter(function(k) {
                    return k.includes('APP') || k.includes('STATE') || k.includes('INIT');
                }));
                console.log(getTimestamp(), 'HTML preview:', htmlContent.substring(0, 1000));

                source.postMessage({
                    action: 'appStateExtracted',
                    requestId: requestId,
                    success: false,
                    error: 'APP_INITIALIZATION_STATE not found after ' + maxAttempts + ' attempts'
                }, '*');

                // Process next request
                isProcessing = false;
                setTimeout(processNextRequest, 10);
            }
        };

        // Start checking after a brief delay
        setTimeout(checkForState, 100);

    } catch (err) {
        source.postMessage({
            action: 'appStateExtracted',
            requestId: requestId,
            success: false,
            error: 'Script execution error: ' + err.message
        }, '*');

        // Process next request
        isProcessing = false;
        setTimeout(processNextRequest, 10);
    }
}

window.addEventListener('message', function(event) {
    try {
        if (event.data.action === 'extractAppState') {
            console.log(getTimestamp(), 'Received extractAppState request:', event.data.requestId);

            // Add request to queue
            requestQueue.push({
                requestId: event.data.requestId,
                html: event.data.html,
                source: event.source
            });

            console.log(getTimestamp(), 'Queue length:', requestQueue.length);

            // Start processing if not already processing
            processNextRequest();
        }
    } catch (err) {
        console.error(getTimestamp(), 'Error handling message:', err);
        event.source.postMessage({
            action: 'appStateExtracted',
            requestId: event.data.requestId,
            success: false,
            error: 'Sandbox error: ' + err.message
        }, '*');
    }
});

// Signal that sandbox is ready
window.parent.postMessage({action: 'sandboxReady'}, '*');
console.log(getTimestamp(), 'Sandbox initialized and ready');
</script>
</body>
</html>