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Bug 519077 - "Add a whitelist+blacklist for the modified prefs list on about:support" [r=johnath]

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This commit is contained in:
Curtis Bartley 2009-10-20 01:50:08 -05:00
parent 7cce950adf
commit 0fc0510b23
1 changed files with 53 additions and 2 deletions
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55
browser/base/content/aboutSupport.xhtml
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@ -134,6 +134,43 @@ td {
const Cc = Components.classes;
const Ci = Components.interfaces;
// We use a preferences whitelist to make sure we only show preferences that
// are useful for support and won't compromise the user's privacy. Note that
// entries are *prefixes*: for example, "accessibility." applies to all prefs
// under the "accessibility.*" branch.
const Whitelist = [
"accessibility.",
"browser.fixup.",
"browser.history_expire_",
"browser.link.open_newwindow",
"browser.mousewheel.",
"browser.places.",
"browser.startup.homepage",
"browser.tabs.",
"browser.zoom.",
"dom.",
"extensions.checkCompatibility",
"extensions.lastAppVersion",
"font.",
"general.useragent.",
"gfx.color_management.mode",
"javascript.",
"keyword.",
"layout.css.dpi",
"network.",
"places.",
"print.",
"privacy.",
"security."
];
// The blacklist, unlike the whitelist, is a list of regular expressions.
const Blacklist = [
/^print[.]print_to_filename$/,
/^print[.].*[.]print_to_filename$/,
/^network[.]proxy[.].*$/
];
window.onload = function () {
// Get the FUEL Application object.
let Application = Cc["@mozilla.org/fuel/application;1"]
@ -214,13 +251,27 @@ function getModifiedPrefs() {
let prefService = Cc["@mozilla.org/preferences-service;1"]
.getService(Ci.nsIPrefService);
let prefRootBranch = prefService.getBranch("");
let prefNames = prefRootBranch.getChildList("", { value: 0 });
let prefNames = getWhitelistedPrefNames(prefRootBranch);
let prefs = [Application.prefs.get(prefName)
for each (prefName in prefNames)
if (prefRootBranch.prefHasUserValue(prefName))];
if (prefRootBranch.prefHasUserValue(prefName)
&& !isBlacklisted(prefName))];
return prefs;
}
function getWhitelistedPrefNames(prefRootBranch) {
let results = [];
for each (let prefStem in Whitelist) {
let prefNames = prefRootBranch.getChildList(prefStem, {});
results = results.concat(prefNames);
}
return results;
}
function isBlacklisted(prefName) {
return Blacklist.some(function (re) {return re.test(prefName);});
}
function createParentElement(tagName, childElems) {
let elem = document.createElement(tagName);
appendChildren(elem, childElems);