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<!DOCTYPE html>
<html>
<body onload="signal_taler_wallet_onload()">
<?php
include("../frontend_lib/merchants.php");
include("../frontend_lib/util.php");
include("./blog_lib.php");
$article = get($_GET['article']);
if (null == $article){
echo "Please land here just to buy articles";
die();
}
$cc_page = template("./essay_cc-payment.html", array('article' => $article));
echo $cc_page;
?>
</body>
<script type="text/javascript">
function handle_contract(json_contract) {
var cEvent = new CustomEvent('taler-contract',
{detail: json_contract});
document.dispatchEvent(cEvent);
};
function get_contract(article) {
var contract_request = new XMLHttpRequest();
contract_request.open("GET",
"essay_contract.php?article=" + article,
true);
contract_request.onload = function (e) {
if (contract_request.readyState == 4) {
if (contract_request.status == 200) {
console.log("response text:",
contract_request.responseText);
handle_contract(contract_request.responseText);
} else {
alert("Failure to download contract from merchant " +
"(" + contract_request.status + "):\n" +
contract_request.responseText);
}
}
};
contract_request.onerror = function (e) {
alert("Failure requesting the contract:\n"
+ contract_request.statusText);
};
contract_request.send();
}
function has_taler_wallet_cb(aEvent)
{
var article = document.getElementById('article-name');
get_contract(article.value);
};
function signal_taler_wallet_onload()
{
var eve = new Event('taler-probe');
document.dispatchEvent(eve);
};
document.addEventListener("taler-wallet-present",
has_taler_wallet_cb,
false);
// Register event to be triggered by the wallet when it gets enabled while
// the user is on the payment page
document.addEventListener("taler-load",
signal_taler_wallet_onload,
false);
</script>
</html>
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