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am 432fbcc5: docs: enforce alphanumeric strings for video id to prevent XSS bug 4399806

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* commit '432fbcc55ff3e0900a50b70b9d5dbdab77a276f7':
  docs: enforce alphanumeric strings for video id to prevent XSS bug 4399806
This commit is contained in:
Scott Main
2011-05-13 10:55:09 -07:00
committed by Android Git Automerger
parent a8138732a0 432fbcc55f
commit d32aeafc41
1 changed files with 33 additions and 16 deletions
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49
docs/html/videos/index.jd
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@@ -62,7 +62,7 @@ $(window).history(function(e, hash) {
*/
function loadVideo(id, title, autoplay) {
if($("." + id).hasClass("noplay")) {
console.log("noplay");
//console.log("noplay");
autoplay = false;
$("." + id).removeClass("noplay");
}
@@ -255,42 +255,59 @@ var clickVideoAttempts = 0; // Used with clickVideo()
* @param videoId The ID of the video to click
*/
function clickVideo(videoId) {
if (!isAlphaNumeric(videoId)) {
clickDefaultVideo();
return;
}
if ($("." + videoId).length != 0) { // if we find the video, click it and return
$("." + videoId).addClass("noplay"); // add class to indicate we should NOT autoplay (class removed by loadVideo)
$("." + videoId + ":first").click();
return;
$("." + videoId).addClass("noplay"); // add class to indicate we should NOT autoplay (class removed by loadVideo)
$("." + videoId + ":first").click();
return;
} else { // if we don't find it, increment clickVideoAttempts
console.log("video NOT found: " + videoId);
clickVideoAttempts++;
console.log("video NOT found: " + videoId);
clickVideoAttempts++;
}
// if we don't find it after 20 attempts (2 seconds), click the first feature video
if (clickVideoAttempts > 10) {
console.log("video never found, clicking default...");
console.log("video never found, clicking default...");
clickVideoAttempts = 0;
clickDefaultVideo();
} else { // try again after 100 milliseconds
setTimeout('clickVideo("'+videoId+'")', 100);
setTimeout('clickVideo("' + videoId + '")', 100);
}
}
/* returns true if the provided text is alphanumeric, false otherwise
TODO: move this to the dev site js library */
function isAlphaNumeric(text){
var regex=/^[0-9A-Za-z]+$/; //^[a-zA-z]+$/
if(regex.test(text)){
return true;
} else {
console.log("Bogus video ID");
return false;
}
}
/* Click the default video that should be loaded on page load (the first video in the featured list) */
function clickDefaultVideo() {
if ($("#mainBodyRight .videoPreviews a:first").length != 0) {
var videoId = $("#mainBodyRight .videoPreviews a:first").attr("class");
if ($("#mainBodyRight .videoPreviews a:first").length != 0) {
var videoId = $("#mainBodyRight .videoPreviews a:first").attr("class");
$("." + videoId).addClass("noplay"); // add class to indicate we should NOT autoplay (class removed by loadVideo)
$("." + videoId + ":first").click();
return;
$("." + videoId + ":first").click();
return;
} else { // if we don't find it, increment clickVideoAttempts
console.log("default video NOT found");
clickVideoAttempts++;
console.log("default video NOT found");
clickVideoAttempts++;
}
// if we don't find it after 50 attempts (5 seconds), just fail
if (clickVideoAttempts > 50) {
console.log("default video never found...");
console.log("default video never found...");
} else { // try again after 100 milliseconds
setTimeout('clickDefaultVideo()', 100);
setTimeout('clickDefaultVideo()', 100);
}
}
</script>