Initial commit

1 files changed, 66 insertions, 0 deletions

diff --git a/crsq.js b/crsq.js
new file mode 100644
index 0000000..3fb7ea5
--- /dev/null
+++ b/crsq.js
@@ -0,0 +1,66 @@
+(function () {
+"use strict";
+
+var scheduleLink = document.evaluate('//a[contains(text(), " Schedule")]', document.body).iterateNext();
+
+if (!scheduleLink)
+    return;
+
+if (document.getElementById("loading-notice"))
+    return;
+
+var loadingNotice = document.createElement("span");
+loadingNotice.id = "loading-notice";
+loadingNotice.innerHTML = " (loading, please wait)";
+scheduleLink.parentNode.appendChild(loadingNotice);
+
+var xhr;
+// show the xhr in dev tools
+try {
+    xhr = XPCNativeWrapper(new window.wrappedJSObject.XMLHttpRequest());
+} catch (e) {
+    xhr = new XMLHttpRequest();
+}
+xhr.responseType = 'document';
+xhr.open('GET', scheduleLink.href, true);
+xhr.onreadystatechange = function () {
+    if (xhr.readyState !== xhr.DONE)
+        return;
+
+    if (xhr.status === 200 &&
+        xhr.responseXML &&
+        xhr.responseXML.title === "York University Courses Website - Courses Schedule"
+    ) {
+        // emulate document.write script
+        xhr.responseXML.body.querySelector("script").parentNode.innerHTML =
+            /(?:mayaauth|mayaanyoneauth)/.test(document.cookie) ?
+            '<TABLE width="200" cellpadding="5" cellspacing="0" border="0"><TR><TD><P><a href="https://passportyork.yorku.ca/ppylogin/ppylogout"><IMG src="https://w2prod.sis.yorku.ca/WebObjects/YorkUimages/logout.gif" width="154" height="45" border="0"></a><BR><SPAN class="smallbodytext"><A href="http://www.yorku.ca/yorkweb/currentstudents/ppystudents.html">All About Passport York</A></SPAN></P></TD></TR></TABLE>' :
+            '<TABLE border="0"><TR><TD><img src="https://w2prod.sis.yorku.ca/WebObjects/YorkUimages/passportyorksmall2.gif" width="73" height="42"></TD><TD><B>New Student?</B><BR><a href="http://www.yorku.ca/yorkweb/currentstudents/ppystudents.html">All about Passport&nbsp;York</a></TD></TR></TABLE>';
+
+        var avs = xhr
+            .responseXML
+            .evaluate(
+                '//a[contains(text(), "Please click here to see availability.")]',
+                xhr.responseXML.body
+            );
+        var avsa = [];
+        var av;
+        while ((av = avs.iterateNext()))
+            avsa.push(av);
+        avsa.forEach(function (av) {
+            var newHref = av.href
+                .replace(/(https?:\/\/[^.\/]*\.sis\.yorku\.ca\/Apps\/WebObjects\/cdm\.woa\/wa\/loginppy\?url=).*/,
+                    "$1" + encodeURIComponent(location.pathname + location.search + location.hash)
+                );
+            if (newHref != av.href)
+                av.href = newHref;
+        });
+
+        document.body.replaceChild(xhr.responseXML.body.children[0], document.body.children[0]);
+    } else {
+        loadingNotice.innerHTML = " (loading failed)";
+    }
+};
+xhr.send(null);
+
+}());