mirror of
https://github.com/gryf/pentadactyl-pm.git
synced 2025-12-20 10:47:59 +01:00
88 lines
3.0 KiB
JavaScript
88 lines
3.0 KiB
JavaScript
/* Adds support for data: URIs with chrome privileges
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* and fragment identifiers.
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*
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* "chrome-data:" <content-type> [; <flag>]* "," [<data>]
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*
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* By Kris Maglione, ideas from Ed Anuff's nsChromeExtensionHandler.
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*
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* Licenced under the MIT License, which allows for sublicensing
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* under any compatible license, including the GNU GPL and the MPL.
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*/
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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const NS_BINDING_ABORTED = 0x804b0002;
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const nsIProtocolHandler = Components.interfaces.nsIProtocolHandler;
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const ioService = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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let channel = Components.classesByID["{61ba33c0-3031-11d3-8cd0-0060b0fc14a3}"]
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.getService(Components.interfaces.nsIProtocolHandler)
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.newChannel(ioService.newURI("chrome://liberator/content/data", null, null))
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.QueryInterface(Components.interfaces.nsIRequest);
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const systemPrincipal = channel.owner;
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channel.cancel(NS_BINDING_ABORTED);
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delete channel;
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var instance;
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function ChromeData() {}
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ChromeData.prototype = {
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contractID: "@mozilla.org/network/protocol;1?name=chrome-data",
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classID: Components.ID("{c1b67a07-18f7-4e13-b361-2edcc35a5a0d}"),
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classDescription: "Data URIs with chrome privileges",
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QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsIProtocolHandler]),
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_xpcom_factory: {
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createInstance: function (outer, iid)
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{
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if (!instance)
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instance = new ChromeData();
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if (outer != null)
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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return instance.QueryInterface(iid);
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}
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},
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scheme: "chrome-data",
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defaultPort: -1,
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allowPort: function (port, scheme) false,
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protocolFlags: nsIProtocolHandler.URI_NORELATIVE
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| nsIProtocolHandler.URI_NOAUTH
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| nsIProtocolHandler.URI_IS_UI_RESOURCE,
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newURI: function (spec, charset, baseURI)
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{
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var uri = Components.classes["@mozilla.org/network/standard-url;1"]
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.createInstance(Components.interfaces.nsIStandardURL)
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.QueryInterface(Components.interfaces.nsIURI);
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uri.init(1, -1, spec, charset, null);
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return uri;
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},
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newChannel: function (uri)
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{
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try
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{
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if (uri.scheme == this.scheme)
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{
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let newURI = ioService.newURI(uri.spec.replace(/^.*?:\/*(.*)(?:#.*)?/, "data:$1"), null, null);
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let channel = ioService.newChannelFromURI(newURI);
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channel.owner = systemPrincipal;
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channel.originalURI = uri;
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return channel;
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}
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}
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catch (e) {}
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throw Components.results.NS_ERROR_FAILURE;
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}
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};
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var components = [ChromeData];
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function NSGetModule(compMgr, fileSpec)
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{
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return XPCOMUtils.generateModule(components);
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}
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// vim: set fdm=marker sw=4 ts=4 et:
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