CACKey
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Comment:ChromeOS: Made PIN entry dialog much more robust
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 2c6a5fb7ddeccb1df5d9feb52202588b34134629
User & Date: rkeene on 2016-02-13 10:05:49
Other Links: manifest | tags
Context
2016-02-13
10:08
ChromeOS: Made PIN entry failure code slightly cleaner check-in: 233d1929c2 user: rkeene tags: trunk
10:05
ChromeOS: Made PIN entry dialog much more robust check-in: 2c6a5fb7dd user: rkeene tags: trunk
07:19
ChromeOS: Added start of PIN entry dialog check-in: 32182121df user: rkeene tags: trunk
Changes
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Modified build/chrome/Makefile from [d4c1056478] to [1d85794fd7].

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ifeq (,${NACL_SDK_ROOT})
$(error "Please set NACL_SDK_ROOT")
endif
export NACL_SDK_ROOT

all: cackey.crx

cackey.crx: cackey.pexe cackey.nmf manifest.json cackey.js google-pcsc.js pin.html pin-icon.png
cackey.crx: cackey.pexe cackey.nmf manifest.json cackey.js google-pcsc.js pin.html pin.js pin-icon.png
	rm -f cackey.crx
	zip cackey.crx.new $^
	mv cackey.crx.new cackey.crx

cackey.pexe: cackey-chrome.o cackey-chrome-init.o lib/libcackey.a lib/libpcsc.a lib/libz.a
	$(CXX) $(CXXFLAGS) $(LDFLAGS) -o cackey.pexe.new cackey-chrome.o cackey-chrome-init.o $(LIBS)
	$(FINALIZE) cackey.pexe.new
︙

Modified build/chrome/cackey.js from [097e060f29] to [5dbcaf75a3].

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/*
 * Handle and ID for outstanding callbacks
 */
var cackeyOutstandingCallbacks = []
var cackeyOutstandingCallbackCounter = -1;

/*
 * Communication with the PIN entry window
 */
var pinWindowDidWork = 0;

/*
 * Handle a response from the NaCl side regarding certificates available
 */
function cackeyMessageIncomingListCertificates(message, chromeCallback) {
	var idx;
	var certificates = [];
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	if (chromeCallback == null) {
		console.log("[cackey] Discarding outdated message");

		return;
	}

	if (messageEvent.data.status != "success") {
		console.error("[cackey] Failed to execute command '" + messageEvent.data.command + "': " + messageEvent.data.error);
	switch (messageEvent.data.status) {
		case "error":
			console.error("[cackey] Failed to execute command '" + messageEvent.data.command + "': " + messageEvent.data.error);

		chromeCallback();
	} else {
		switch (messageEvent.data.command) {
			case "listcertificates":
				nextFunction = cackeyMessageIncomingListCertificates;
			chromeCallback();

			break;
		case "retry":
			pinWindowDidWork = 0;

			chrome.app.window.create("pin.html", {
				"id": "cackeyPINEntry",
				"resizable": false,
				"alwaysOnTop": true,
				"focused": true,
				"visibleOnAllWorkspaces": true,
				"innerBounds": {
					"width": 350,
					"minWidth": 350,
					"height": 135,
					"minHeight": 135
				}
			}, function(pinWindow) {
				if (!pinWindow) {
					console.log("[cackey] No window was provided for PIN entry, this will not go well.");

					return;
				}
				pinWindow.drawAttention();
				pinWindow.focus();

				/*
				 * Register a handler to handle the window being closed without
				 * having sent anything
				 */
				pinWindow.onClosed.addListener(function() {
					if (pinWindowDidWork != 1) {
						console.log("[cackey] The PIN dialog was closed without resubmitting the request, treating it as a failure");

						cackeyMessageIncoming(
							{
								"data": {
									"target": "cackey",
									"command": messageEvent.data.command,
									"id": messageEvent.data.id,
									"status": "error",
									"error": "PIN window closed without a PIN being provided"
								}
							}
						)

					}
					return;
				})

				/*
				 * Pass this message off to the other window so that it may resubmit the request.
				 */
				pinWindow.contentWindow.parentWindow = window;
				pinWindow.contentWindow.messageEvent = messageEvent;

				return;
			});

			/*
			 * We return here instead of break to avoid deleting the callback
			 * entry.
			 */
			return;
		case "success":
			switch (messageEvent.data.command) {
				case "listcertificates":
					nextFunction = cackeyMessageIncomingListCertificates;

				break;
			case "sign":
				nextFunction = cackeyMessageIncomingSignMessage;
					break;
				case "sign":
					nextFunction = cackeyMessageIncomingSignMessage;

				break;
		}
					break;
			}

			break;
	}

	if (nextFunction != null) {
		nextFunction(messageEvent.data, chromeCallback);
	}

	delete cackeyOutstandingCallbacks[messageEvent.data.id];
︙

Modified build/chrome/pin.html from [fee4932709] to [80f230e669]. 

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<html>
	<head>
		<title>CACKey PIN Entry</title>
		<style>
			body {
				margin: 0px;
			}
		</style>
		<script type="text/javascript" src="pin.js"></script>
	</head>
	<body bgcolor="#e4e4e4" color="#000000">
		<form>
			<table width="100%" border="0" cellspacing="5" cellpadding="0">
				<tr width="100%" align="left" valign="bottom">
					<td rowspan="4"><img src="pin-icon.png" alt=""></td>
				</tr>
				<tr width="100%" align="left" valign="bottom">
					<td></td>
					<td colspan="2"><div id="prompt" style="font-size: 0.8em;">PIN Entry Required</div></td>
				</tr>
				<tr width="100%" align="left" valign="center">
					<td></td>
					<td>PIN:</td>
					<td><input type="password" name="pin" id="pin" style="width: 100%;"></td>
					<td><input type="password" name="pin" id="pin" style="width: 100%;" autofocus></td>
				</tr>
				<tr width="100%" align="right" valign="top">
					<td></td>
					<td colspan="2">
						<input type="button" class="button" name="ok" id="ok" value="OK" style="min-width: 4em;">
						<input type="button" class="button" name="cancel" id="cancel" value="Cancel" style="min-width: 4em;">
					</td>
				</tr>
			</table>
		</form>
	</body>
</html>

Added build/chrome/pin.js version [73ed093e1a]. 
















































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function clickOk() {

	parentWindow.pinWindowDidWork = 1;

	window.close();

	return;
}

function clickCancel() {
	window.close();

	return;
}

function focusPin() {
	window.focus();

	document.getElementById('pin').focus();

	return;
}

setTimeout(function() {
	var noFocusObjects, idx;

	document.getElementById('ok').onclick = function() {
		clickOk();
	};

	document.getElementById('cancel').onclick = function() {
		clickCancel();
	};

	window.onfocus = function() {
		focusPin();
	}

	document.getElementById('pin').onblur = function() {
		setTimeout(function() {
			if (document.activeElement.className != "button") {
				focusPin();
			}
		}, 1);
	}
}, 1);

















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