36 lines
1.5 KiB
JavaScript
36 lines
1.5 KiB
JavaScript
/* Trigger Taler contract generation on the server, and pass the
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contract to the extension once we got it. */
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function taler_pay(form) {
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var contract_request = new XMLHttpRequest();
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/* Note that the URL we give here is simply an example
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and not dictated by the protocol: each web shop can
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have its own way of generating and transmitting the
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contract, there just must be a way to get the contract
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and to pass it to the wallet when the user selects 'Pay'. */
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contract_request.open("GET", "generate-taler-contract", true);
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contract_request.onload = function (e) {
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if (contract_request.readyState == 4) {
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if (contract_request.status == 200) {
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/* Send contract to the extension. */
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handle_contract(contract_request.responseText);
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} else {
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/* There was an error obtaining the contract from the merchant,
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obviously this should not happen. To keep it simple, we just
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alert the user to the error. */
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alert("Failure to download contract " +
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"(" + contract_request.status + "):\n" +
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contract_request.responseText);
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}
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}
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};
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contract_request.onerror = function (e) {
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/* There was an error obtaining the contract from the merchant,
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obviously this should not happen. To keep it simple, we just
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alert the user to the error. */
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alert("Failure requesting the contract:\n" +
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contract_request.statusText);
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};
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contract_request.send();
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}
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