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var pinWindowPINValue = "";
var pinWindowPreviousHandle = null;
/*
* Messages that may need to be retried after getting a PIN
*/
var cackeyMessagesToRetry = [];
/*
* Stored PIN for a given certificate
*/
var cackeyCertificateToPINMap = {};
/*
* Compute a text-based handle for a certificate to be hashed by
*/
function cackeyCertificateToPINID(certificate) {
var id;
var certificateArray;
id = "";
certificateArray = new Uint8Array(certificate);
certificateArray.map(
function(byte) {
id += ("0" + byte.toString(16)).slice(-2);
}
);
delete certificateArray;
return(id);
}
/*
* Handle a response from the NaCl side regarding certificates available
*/
function cackeyMessageIncomingListCertificates(message, chromeCallback) {
var idx;
var certificates = [];
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if (messageEvent.data.target != "cackey") {
return;
}
console.log("START MESSAGE");
console.log(messageEvent.data);
console.log("END MESSAGE");
/*
* If we failed for some reason and we have a certificate in the original
* request then forget any PIN associated with that certificate
*/
if (messageEvent.data.status != "success") {
if (messageEvent.data.originalrequest.certificate) {
delete cackeyCertificateToPINMap[cackeyCertificateToPINID(messageEvent.data.originalrequest.certificate)];
}
}
if (messageEvent.data.id == null) {
return;
}
chromeCallback = cackeyOutstandingCallbacks[messageEvent.data.id];
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tmpMessageEvent.data.status = "error";
tmpMessageEvent.data.error = "PIN window closed without a PIN being provided";
cackeyMessageIncoming(tmpMessageEvent);
} else {
tmpMessageEvent.data.originalrequest.pin = pinWindowPINValue;
cackeyCertificateToPINMap[cackeyCertificateToPINID(tmpMessageEvent.data.originalrequest.certificate)] = pinWindowPINValue;
cackeyHandle.postMessage(tmpMessageEvent.data.originalrequest);
}
delete cackeyMessagesToRetry[messageIdx];
}
/*
* We are done fetching the user PIN, clear the value
*/
pinWindowPINValue = "";
return;
})
/*
* Pass this message off to the other window so that it may resubmit the request.
*/
pinWindow.contentWindow.parentWindow = window;
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}
/*
* Handler for messages from Chrome related to signing a hash of some sort
*/
function cackeySignMessage(signRequest, chromeCallback) {
var callbackId;
var command;
var certificateId;
console.log("[cackey] Asked to sign a message -- throwing that request over to the NaCl side... ");
callbackId = cackeyOutstandingCallbackCounter + 1;
cackeyHandle.postMessage(
command = {
{
'target': "cackey",
'command': "sign",
'id': callbackId,
'certificate': signRequest.certificate,
'data': signRequest.digest /* XXX:TODO: This needs to be prefixed based on the signRequest.hash */
}
);
|