61 lines
1.8 KiB
HTML
61 lines
1.8 KiB
HTML
<html>
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<head>
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<title>Location needed - GLink</title>
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</head>
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<body onload="get_location()">
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This link is geo-restricted. Your location is needed to verify that you are authorized to access this link.
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<script>
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var params = new URLSearchParams(window.location.search);
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var glink = params.get("glink");
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var lat;
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var long;
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var method = "POST";
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var request;
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function requestHandler() {
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if (request.readyState === XMLHttpRequest.DONE) {
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if (request.status === 200) {
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if (request.responseText == "B") {
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alert("You are not authorized to access this GLink, as you are outside the permitted radius. If you think this is an error, please try again on a mobile device.");
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} else {
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window.location.replace(request.responseText);
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}
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} else {
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console.log("Error sending data to server.");
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}
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}
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}
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function storeLocation(position) {
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lat = position.coords.latitude;
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long = position.coords.longitude;
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}
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function callbackFunction(position) {
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storeLocation(position);
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request = new XMLHttpRequest();
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request.onreadystatechange = requestHandler;
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if (method == "GET") {
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request.open("GET","/checkloc.php?latitude=" + encodeURIComponent(lat) + "&longitude=" + encodeURIComponent(long) + "&glink=" + encodeURIComponent(glink));
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request.send();
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} else if (method == "POST") {
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request.open("POST","/checkloc.php");
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request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
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request.send("latitude=" + encodeURIComponent(lat) + "&longitude=" + encodeURIComponent(long) + "&glink=" + encodeURIComponent(glink));
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}
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}
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function get_location() {
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if (navigator.geolocation) {
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navigator.geolocation.getCurrentPosition(callbackFunction);
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} else {
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alert('You cannot access this GLink as your browser does not support geolocation.');
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}
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}
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</script>
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</body>
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</html>
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