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expose DOMParser to sandbox. this is way harder than it should be, but actually seems to work.

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This commit is contained in:
Simon Kornblith 2011-02-07 08:21:23 +00:00
parent 481fed9c38
commit d89dcd3b87
1 changed files with 24 additions and 18 deletions
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42
chrome/content/zotero/xpcom/translation/browser_firefox.js
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@ -45,24 +45,30 @@ Zotero.Translate.SandboxManager = function(translate, sandboxLocation) {
// import functions missing from global scope into Fx sandbox
this.sandbox.XPathResult = Components.interfaces.nsIDOMXPathResult;
this.sandbox.DOMParser = Zotero.Translate.SandboxManager.DOMParserWrapper;
}
/**
* A wrapper to make new DOMParser work in the sandbox
*/
Zotero.Translate.SandboxManager.DOMParserWrapper = function() {
this._DOMParser = Components.classes["@mozilla.org/xmlextras/domparser;1"]
.createInstance(Components.interfaces.nsIDOMParser);
}
Zotero.Translate.SandboxManager.DOMParserWrapper.__exposedProps__ = {"prototype":"r"};
Zotero.Translate.SandboxManager.DOMParserWrapper.prototype.__exposedProps__ = {"parseFromString":"r"};
Zotero.Translate.SandboxManager.DOMParserWrapper.prototype.parseFromString = function(str, contentType) {
var doc = this._DOMParser.parseFromString(str, contentType);
doc.documentElement; // Ugh. without this line, Firefox throws NS_ERROR_UNEXPECTED when one
// tries to access the documentElement.
return doc;
this.sandbox.DOMParser = function() {
// get principal
if(typeof sandboxLocation !== "string") { // if sandbox specified by DOM document
var principal = sandboxLocation.nodePrincipal;
} else { // if sandbox specified by URI
var secMan = Components.classes["@mozilla.org/scriptsecuritymanager;1"]
.getService(Components.interfaces.nsIScriptSecurityManager);
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
var uri = ioService.newURI(sandboxLocation, "UTF-8", null);
var principal = secMan.getCodebasePrincipal(uri);
}
// initialize DOM parser
var _DOMParser = Components.classes["@mozilla.org/xmlextras/domparser;1"]
.createInstance(Components.interfaces.nsIDOMParser);
_DOMParser.init(principal, uri, uri);
// expose parseFromString
this.__exposedProps__ = {"parseFromString":"r"};
this.parseFromString = function(str, contentType) _DOMParser.parseFromString(str, contentType);
}
this.sandbox.DOMParser.__exposedProps__ = {"prototype":"r"};
this.sandbox.DOMParser.prototype = {};
}
Zotero.Translate.SandboxManager.prototype = {