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proxy.html
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<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<script type="text/javascript" src="untracked/aws-sdk-2.1048.0-cognito_lambda.min.js"></script>
<script src="untracked/pako.js"></script>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css">
<script type="text/javascript">
AWS.config.update({region: 'us-east-1'});
AWS.config.credentials = new AWS.CognitoIdentityCredentials({IdentityPoolId: ''});
if (AWS.config.credentials.expired == true) {
AWS.config.credentials.get();
}
var Lambda = new AWS.Lambda({region: 'us-east-1', apiVersion: '2015-03-31'});
function getPageFromLambda() {
var url = $("#submit-btn").val();
var lambdaParams = {
FunctionName: 'webproxy',
InvocationType: 'RequestResponse',
Payload: JSON.stringify({"request": {"page_url": url}}),
LogType: 'None'
};
Lambda.invoke(lambdaParams, function(err, data) {
if (err) {
prompt(err);
} else {
response = JSON.parse(data.Payload);
parseAndDisplay(response);
}
});
}
function parseAndDisplay(data) {
var decoded = atob(data)
var charData = new Array(decoded.length);
for (i = 0, il = decoded.length; i < il; ++i) {
charData[i] = decoded.charCodeAt(i);
}
var binData = new Uint8Array(charData);
var decompressedData = pako.inflate(binData);
//strData = String.fromCharCode.apply(null, new Uint16Array(data));
var strData = "";
for (b of decompressedData) strData += String.fromCharCode(b);
document.querySelector("iframe").srcdoc = strData;
}
</script>
</head>
<body>
<div class="container-fluid">
<div class="row justify-content-center bg-light bg-gradient py-3">
<div class="col"></div>
<div class="col-8">
<div class="input-group">
<input type="text" class="form-control" placeholder="Enter the URL to load"/>
<div class="input-group-append">
<input id="submit-btn" type="button" class="btn btn-lg btn-primary btn-gradient" onclick="getPageFromLambda()" value="Load"/>
</div>
</div>
</div>
<div class="col"></div>
</div>
<div class="row bg-light bg-gradient h-100"">
<div class="col">
<!-- https://stackoverflow.com/a/46485340 -->
<iframe src="javascript:void(0);" style="width: 100%; height: 100%;">
</iframe>
</div>
</div>
</div>
</body>
</html>