charts-panel/test-cloudflare-proxy.html at main · zhah2/charts-panel · 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>Cloudflare Workers CORS Proxy Test</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }
        .container {
            border: 2px solid #ddd;
            margin: 20px 0;
            padding: 20px;
            border-radius: 8px;
        }
        .status {
            padding: 10px;
            margin: 10px 0;
            border-radius: 4px;
            font-weight: bold;
        }
        .status.success { background: #d4edda; color: #155724; }
        .status.error { background: #f8d7da; color: #721c24; }
        .status.info { background: #d1ecf1; color: #0c5460; }

        button {
            background: #007bff;
            color: white;
            border: none;
            padding: 10px 20px;
            margin: 5px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
        }
        button:hover { background: #0056b3; }

        .image-container {
            border: 1px solid #ccc;
            padding: 10px;
            margin: 10px 0;
            text-align: center;
            min-height: 200px;
            background: #f8f9fa;
        }

        .image-container img {
            max-width: 100%;
            height: auto;
            border: 1px solid #ddd;
        }

        input[type="text"] {
            width: 100%;
            padding: 8px;
            margin: 5px 0;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        .log {
            background: #f8f9fa;
            border: 1px solid #ddd;
            padding: 10px;
            margin: 10px 0;
            border-radius: 4px;
            font-family: monospace;
            font-size: 12px;
            max-height: 300px;
            overflow-y: auto;
        }
    </style>
</head>
<body>
    <h1>Cloudflare Workers CORS Proxy Test</h1>

    <div class="container">
        <h2>Configuration</h2>
        <label for="workerUrl">Your Cloudflare Worker URL:</label>
        <input type="text" id="workerUrl" value="https://img-cors-proxy.haining-zha.workers.dev" />

        <label for="testUrl">Test URL (Refinitiv):</label>
        <input type="text" id="testUrl" value="https://refini.tv/4gm0WdA" />
    </div>

    <div class="container">
        <h2>Test Proxy</h2>
        <button onclick="testProxy()">Test Cloudflare Proxy</button>
        <button onclick="testAllOrigins()">Test AllOrigins Proxy</button>
        <button onclick="testDirectFetch()">Test Direct Fetch (Should Fail)</button>
        <button onclick="compareProxies()">Compare Both Proxies</button>
        <button onclick="generatePDF()" id="pdfBtn" disabled>Generate PDF</button>

        <div id="status" class="status info">Enter your Worker URL above and click a test button</div>

        <div class="image-container" id="imageContainer">
            <p>Image will appear here after successful proxy test</p>
        </div>
    </div>

    <div class="container">
        <h2>Performance Comparison</h2>
        <div id="comparisonResults" style="display: none;">
            <table style="width: 100%; border-collapse: collapse; margin: 10px 0;">
                <thead>
                    <tr style="background: #f8f9fa;">
                        <th style="border: 1px solid #ddd; padding: 8px; text-align: left;">Proxy Service</th>
                        <th style="border: 1px solid #ddd; padding: 8px; text-align: left;">Response Time</th>
                        <th style="border: 1px solid #ddd; padding: 8px; text-align: left;">File Size</th>
                        <th style="border: 1px solid #ddd; padding: 8px; text-align: left;">Status</th>
                    </tr>
                </thead>
                <tbody id="comparisonTableBody">
                </tbody>
            </table>
        </div>
    </div>

    <div class="container">
        <h2>Debug Log</h2>
        <button onclick="clearLog()">Clear Log</button>
        <div id="log" class="log"></div>
    </div>

    <!-- Libraries for PDF generation -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js"></script>

    <script>
        let currentImage = null;
        let capturedDataURL = null;
        let testResults = {}; // Store test results for comparison

        function log(message, type = 'info') {
            const timestamp = new Date().toLocaleTimeString();
            const logContainer = document.getElementById('log');
            const logEntry = document.createElement('div');
            logEntry.style.color = type === 'error' ? 'red' : type === 'success' ? 'green' : 'black';
            logEntry.textContent = `[${timestamp}] ${message}`;
            logContainer.appendChild(logEntry);
            logContainer.scrollTop = logContainer.scrollHeight;
            console.log(`[${type.toUpperCase()}] ${message}`);
        }

        function clearLog() {
            document.getElementById('log').innerHTML = '';
        }

        function updateStatus(message, type) {
            const status = document.getElementById('status');
            status.textContent = message;
            status.className = `status ${type}`;
        }

        async function testAllOrigins() {
            const testUrl = document.getElementById('testUrl').value.trim();

            log('Testing AllOrigins proxy...');
            updateStatus('Testing AllOrigins proxy...', 'info');

            const startTime = Date.now();

            try {
                // AllOrigins API - use /raw endpoint for direct binary response
                const proxyUrl = `https://api.allorigins.win/raw?url=${encodeURIComponent(testUrl)}`;
                log(`AllOrigins URL: ${proxyUrl}`);

                const response = await fetch(proxyUrl);

                if (!response.ok) {
                    throw new Error(`HTTP ${response.status}: ${response.statusText}`);
                }

                const blob = await response.blob();
                const loadTime = Date.now() - startTime;

                log(`✅ AllOrigins successful in ${loadTime}ms (${blob.size} bytes)`, 'success');

                // Store result for comparison
                testResults.allorigins = {
                    responseTime: loadTime,
                    fileSize: blob.size,
                    status: 'Success'
                };

                // Display image
                const objectURL = URL.createObjectURL(blob);
                const img = new Image();

                img.onload = () => {
                    log(`✅ AllOrigins image loaded: ${img.naturalWidth}x${img.naturalHeight}`, 'success');
                    updateStatus(`AllOrigins test successful! Loaded ${img.naturalWidth}x${img.naturalHeight} image in ${loadTime}ms`, 'success');

                    const container = document.getElementById('imageContainer');
                    container.innerHTML = '';
                    container.appendChild(img);

                    currentImage = img;
                    document.getElementById('pdfBtn').disabled = false;

                    updateComparisonTable();
                };

                img.onerror = () => {
                    log('❌ AllOrigins image failed to load from blob', 'error');
                    updateStatus('AllOrigins image failed to load from response', 'error');
                    testResults.allorigins.status = 'Failed - Image Load Error';
                    updateComparisonTable();
                };

                img.src = objectURL;

            } catch (error) {
                const loadTime = Date.now() - startTime;
                log(`❌ AllOrigins test failed: ${error.message}`, 'error');
                updateStatus(`AllOrigins test failed: ${error.message}`, 'error');

                testResults.allorigins = {
                    responseTime: loadTime,
                    fileSize: 0,
                    status: `Failed - ${error.message}`
                };
                updateComparisonTable();
            }
        }

        async function testProxy() {
            const workerUrl = document.getElementById('workerUrl').value.trim();
            const testUrl = document.getElementById('testUrl').value.trim();

            if (!workerUrl) {
                updateStatus('Please enter your Cloudflare Worker URL', 'error');
                return;
            }

            log('Testing Cloudflare Workers proxy...');
            updateStatus('Testing Cloudflare proxy...', 'info');

            const startTime = Date.now();

            try {
                // Construct proxy URL
                const proxyUrl = `${workerUrl}?url=${encodeURIComponent(testUrl)}`;
                log(`Cloudflare Proxy URL: ${proxyUrl}`);

                const response = await fetch(proxyUrl);

                if (!response.ok) {
                    throw new Error(`HTTP ${response.status}: ${response.statusText}`);
                }

                const blob = await response.blob();
                const loadTime = Date.now() - startTime;

                log(`✅ Cloudflare proxy successful in ${loadTime}ms (${blob.size} bytes)`, 'success');

                // Store result for comparison
                testResults.cloudflare = {
                    responseTime: loadTime,
                    fileSize: blob.size,
                    status: 'Success'
                };

                // Display image
                const objectURL = URL.createObjectURL(blob);
                const img = new Image();

                img.onload = () => {
                    log(`✅ Cloudflare image loaded: ${img.naturalWidth}x${img.naturalHeight}`, 'success');
                    updateStatus(`Cloudflare proxy test successful! Loaded ${img.naturalWidth}x${img.naturalHeight} image in ${loadTime}ms`, 'success');

                    const container = document.getElementById('imageContainer');
                    container.innerHTML = '';
                    container.appendChild(img);

                    currentImage = img;
                    document.getElementById('pdfBtn').disabled = false;

                    updateComparisonTable();
                };

                img.onerror = () => {
                    log('❌ Cloudflare image failed to load from blob', 'error');
                    updateStatus('Cloudflare image failed to load from proxy response', 'error');
                    testResults.cloudflare.status = 'Failed - Image Load Error';
                    updateComparisonTable();
                };

                img.src = objectURL;

            } catch (error) {
                const loadTime = Date.now() - startTime;
                log(`❌ Cloudflare proxy test failed: ${error.message}`, 'error');
                updateStatus(`Cloudflare proxy test failed: ${error.message}`, 'error');

                testResults.cloudflare = {
                    responseTime: loadTime,
                    fileSize: 0,
                    status: `Failed - ${error.message}`
                };
                updateComparisonTable();
            }
        }

        async function compareProxies() {
            log('Starting comprehensive proxy comparison test...');
            updateStatus('Running detailed comparison test...', 'info');

            // Clear previous results
            testResults = {};

            const workerUrl = document.getElementById('workerUrl').value.trim();
            const testUrl = document.getElementById('testUrl').value.trim();

            // Run multiple tests to account for cold starts and caching
            const testRuns = 3;
            log(`Running ${testRuns} test iterations for each proxy...`);

            // Test Cloudflare Workers multiple times
            if (workerUrl) {
                const cfTimes = [];
                let cfSize = 0;
                let cfStatus = 'Failed';

                for (let i = 0; i < testRuns; i++) {
                    log(`Cloudflare test run ${i + 1}/${testRuns}...`);
                    updateStatus(`Testing Cloudflare (run ${i + 1}/${testRuns})...`, 'info');

                    try {
                        const result = await testProxyDetailed('Cloudflare', workerUrl, testUrl);
                        cfTimes.push(result.responseTime);
                        cfSize = result.fileSize;
                        cfStatus = 'Success';

                        if (i === testRuns - 1) {
                            // Display image from last successful test
                            const container = document.getElementById('imageContainer');
                            container.innerHTML = '';
                            container.appendChild(result.img);
                            currentImage = result.img;
                            document.getElementById('pdfBtn').disabled = false;
                        }

                    } catch (error) {
                        cfTimes.push(999999); // Large penalty for failed requests
                        log(`❌ Cloudflare run ${i + 1} failed: ${error.message}`, 'error');
                    }

                    // Small delay between tests
                    if (i < testRuns - 1) await new Promise(resolve => setTimeout(resolve, 500));
                }

                // Calculate statistics
                const avgTime = cfTimes.reduce((a, b) => a + b, 0) / cfTimes.length;
                const minTime = Math.min(...cfTimes);
                const maxTime = Math.max(...cfTimes);

                testResults.cloudflare = {
                    responseTime: Math.round(avgTime),
                    minTime: minTime,
                    maxTime: maxTime,
                    allTimes: cfTimes,
                    fileSize: cfSize,
                    status: cfStatus,
                    runs: testRuns
                };

                log(`Cloudflare results: avg=${Math.round(avgTime)}ms, min=${minTime}ms, max=${maxTime}ms`, 'info');
            }

            // Test AllOrigins multiple times
            const aoTimes = [];
            let aoSize = 0;
            let aoStatus = 'Failed';

            for (let i = 0; i < testRuns; i++) {
                log(`AllOrigins test run ${i + 1}/${testRuns}...`);
                updateStatus(`Testing AllOrigins (run ${i + 1}/${testRuns})...`, 'info');

                try {
                    const proxyUrl = `https://api.allorigins.win/raw?url=${encodeURIComponent(testUrl)}`;
                    const result = await testProxyDetailed('AllOrigins', proxyUrl, testUrl, true);
                    aoTimes.push(result.responseTime);
                    aoSize = result.fileSize;
                    aoStatus = 'Success';

                } catch (error) {
                    aoTimes.push(999999);
                    log(`❌ AllOrigins run ${i + 1} failed: ${error.message}`, 'error');
                }

                // Small delay between tests
                if (i < testRuns - 1) await new Promise(resolve => setTimeout(resolve, 500));
            }

            // Calculate statistics
            const avgTimeAO = aoTimes.reduce((a, b) => a + b, 0) / aoTimes.length;
            const minTimeAO = Math.min(...aoTimes);
            const maxTimeAO = Math.max(...aoTimes);

            testResults.allorigins = {
                responseTime: Math.round(avgTimeAO),
                minTime: minTimeAO,
                maxTime: maxTimeAO,
                allTimes: aoTimes,
                fileSize: aoSize,
                status: aoStatus,
                runs: testRuns
            };

            log(`AllOrigins results: avg=${Math.round(avgTimeAO)}ms, min=${minTimeAO}ms, max=${maxTimeAO}ms`, 'info');

            updateComparisonTable();
            log('Detailed proxy comparison completed');
            updateStatus('Detailed comparison completed - see results below', 'success');
        }

        async function testProxyDetailed(serviceName, proxyUrl, originalUrl, isDirect = false) {
            const startTime = Date.now();

            // Add more detailed timing
            const timingMarks = {
                start: Date.now()
            };

            try {
                log(`[${serviceName}] Starting request to: ${proxyUrl}`);

                // Construct final URL
                const finalUrl = isDirect ? proxyUrl : `${proxyUrl}?url=${encodeURIComponent(originalUrl)}`;

                timingMarks.requestStart = Date.now();
                const response = await fetch(finalUrl);
                timingMarks.responseReceived = Date.now();

                if (!response.ok) {
                    throw new Error(`HTTP ${response.status}: ${response.statusText}`);
                }

                const blob = await response.blob();
                timingMarks.blobCreated = Date.now();

                const totalTime = timingMarks.blobCreated - timingMarks.start;
                const networkTime = timingMarks.responseReceived - timingMarks.requestStart;
                const processingTime = timingMarks.blobCreated - timingMarks.responseReceived;

                log(`[${serviceName}] Timing - Total: ${totalTime}ms, Network: ${networkTime}ms, Processing: ${processingTime}ms`);
                log(`[${serviceName}] Response size: ${blob.size} bytes, Content-Type: ${response.headers.get('content-type') || 'unknown'}`);

                // Create image
                const objectURL = URL.createObjectURL(blob);
                const img = new Image();

                return new Promise((resolve, reject) => {
                    img.onload = () => {
                        const imageLoadTime = Date.now() - timingMarks.blobCreated;
                        log(`[${serviceName}] Image loaded in ${imageLoadTime}ms: ${img.naturalWidth}x${img.naturalHeight}`);
                        resolve({
                            responseTime: totalTime,
                            networkTime: networkTime,
                            processingTime: processingTime,
                            imageLoadTime: imageLoadTime,
                            fileSize: blob.size,
                            img: img,
                            timingMarks: timingMarks
                        });
                    };

                    img.onerror = () => {
                        reject(new Error('Image load failed'));
                    };

                    img.src = objectURL;
                });

            } catch (error) {
                const failTime = Date.now() - startTime;
                log(`[${serviceName}] Failed after ${failTime}ms: ${error.message}`, 'error');
                throw error;
            }
        }

        function updateComparisonTable() {
            const resultsDiv = document.getElementById('comparisonResults');
            const tableBody = document.getElementById('comparisonTableBody');

            if (Object.keys(testResults).length === 0) return;

            resultsDiv.style.display = 'block';
            tableBody.innerHTML = '';

            // Add Cloudflare results with detailed timing
            if (testResults.cloudflare) {
                const cf = testResults.cloudflare;
                const row = createDetailedComparisonRow(
                    'Cloudflare Workers',
                    cf.responseTime,
                    cf.minTime,
                    cf.maxTime,
                    cf.allTimes,
                    cf.fileSize,
                    cf.status,
                    cf.runs
                );
                tableBody.appendChild(row);
            }

            // Add AllOrigins results with detailed timing
            if (testResults.allorigins) {
                const ao = testResults.allorigins;
                const row = createDetailedComparisonRow(
                    'AllOrigins',
                    ao.responseTime,
                    ao.minTime,
                    ao.maxTime,
                    ao.allTimes,
                    ao.fileSize,
                    ao.status,
                    ao.runs
                );
                tableBody.appendChild(row);
            }

            // Add detailed analysis
            if (testResults.cloudflare && testResults.allorigins) {
                const analysisRow = document.createElement('tr');
                analysisRow.style.background = '#e8f4f8';
                analysisRow.style.fontWeight = 'bold';

                const cf = testResults.cloudflare;
                const ao = testResults.allorigins;

                const avgDiff = cf.responseTime - ao.responseTime;
                const minDiff = cf.minTime - ao.minTime;
                const fasterService = avgDiff < 0 ? 'Cloudflare' : 'AllOrigins';
                const fasterMin = minDiff < 0 ? 'Cloudflare' : 'AllOrigins';

                // Check for cold start pattern (first request much slower)
                const cfHasColdStart = cf.allTimes.length > 1 && cf.allTimes[0] > cf.allTimes[1] * 2;
                const aoHasColdStart = ao.allTimes.length > 1 && ao.allTimes[0] > ao.allTimes[1] * 2;

                let analysis = `Avg: ${fasterService} faster by ${Math.abs(avgDiff)}ms, Min: ${fasterMin} faster by ${Math.abs(minDiff)}ms`;
                if (cfHasColdStart) analysis += ', CF cold start detected';
                if (aoHasColdStart) analysis += ', AO cold start detected';

                analysisRow.innerHTML = `
                    <td style="border: 1px solid #ddd; padding: 8px;" colspan="4">${analysis}</td>
                `;

                tableBody.appendChild(analysisRow);
            }
        }

        function createDetailedComparisonRow(service, avgTime, minTime, maxTime, allTimes, fileSize, status, runs) {
            const row = document.createElement('tr');

            const statusColor = status === 'Success' ? '#d4edda' :
                               status.startsWith('Failed') ? '#f8d7da' : '#fff3cd';

            const timingDetails = `Avg: ${avgTime}ms, Min: ${minTime}ms, Max: ${maxTime}ms (${runs} runs)`;
            const allTimesStr = allTimes.map(t => t + 'ms').join(', ');

            row.innerHTML = `
                <td style="border: 1px solid #ddd; padding: 8px;">${service}</td>
                <td style="border: 1px solid #ddd; padding: 8px;" title="${allTimesStr}">${timingDetails}</td>
                <td style="border: 1px solid #ddd; padding: 8px;">${formatFileSize(fileSize)}</td>
                <td style="border: 1px solid #ddd; padding: 8px; background: ${statusColor};">${status}</td>
            `;

            return row;
        }

        function formatFileSize(bytes) {
            if (bytes === 0) return '0 B';
            const k = 1024;
            const sizes = ['B', 'KB', 'MB'];
            const i = Math.floor(Math.log(bytes) / Math.log(k));
            return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
        }

        async function testDirectFetch() {
            const testUrl = document.getElementById('testUrl').value.trim();

            log('Testing direct fetch (should fail due to CORS)...');
            updateStatus('Testing direct fetch...', 'info');

            try {
                const response = await fetch(testUrl);
                log('❌ Direct fetch unexpectedly succeeded!', 'error');
                updateStatus('Direct fetch unexpectedly succeeded', 'error');
            } catch (error) {
                log(`✅ Direct fetch failed as expected: ${error.message}`, 'success');
                updateStatus('Direct fetch failed as expected (CORS blocked)', 'success');
            }
        }

        async function generatePDF() {
            if (!currentImage) {
                log('❌ No image loaded', 'error');
                return;
            }

            updateStatus('Generating PDF...', 'info');
            log('Starting PDF generation...');

            try {
                // Capture with html2canvas
                const canvas = await html2canvas(currentImage, {
                    allowTaint: true,
                    useCORS: true,
                    scale: 1,
                    backgroundColor: null,
                    logging: false
                });

                // Check if canvas has content
                const context = canvas.getContext('2d');
                const pixelBuffer = new Uint32Array(
                    context.getImageData(0, 0, canvas.width, canvas.height).data.buffer
                );
                const hasContent = pixelBuffer.some(pixel => pixel !== 0 && pixel !== 0xFFFFFFFF);

                if (!hasContent) {
                    throw new Error('Canvas is blank');
                }

                capturedDataURL = canvas.toDataURL('image/png');
                log(`✅ html2canvas successful: ${canvas.width}x${canvas.height}`, 'success');

                // Generate PDF
                const { jsPDF } = window.jspdf;
                const pdf = new jsPDF();

                pdf.setFontSize(16);
                pdf.text('Cloudflare Workers CORS Proxy Test', 20, 20);

                pdf.setFontSize(10);
                pdf.text('Original URL: https://refini.tv/4gm0WdA', 20, 35);
                pdf.text(`Proxy URL: ${document.getElementById('workerUrl').value}`, 20, 45);
                pdf.text(`Generated: ${new Date().toLocaleString()}`, 20, 55);

                pdf.addImage(capturedDataURL, 'PNG', 20, 70, 170, 120);
                pdf.save('cloudflare-proxy-test.pdf');

                log('✅ PDF generated and downloaded successfully', 'success');
                updateStatus('PDF generated and downloaded successfully', 'success');

            } catch (error) {
                log(`❌ PDF generation failed: ${error.message}`, 'error');
                updateStatus(`PDF generation failed: ${error.message}`, 'error');
            }
        }

        window.onload = function() {
            log('Cloudflare Workers proxy test page loaded');
        };
    </script>
</body>
</html>