+++ /dev/null
-// Copyright (c) 2008-2010 Kris Maglione <maglione.k at Gmail>
-//
-// This work is licensed for reuse under an MIT license. Details are
-// given in the LICENSE.txt file included with this file.
-"use strict";
-function reportError(e) {
- dump("dactyl: protocols: " + e + "\n" + (e.stack || Error().stack));
- Cu.reportError(e);
-}
-
-/* Adds support for data: URIs with chrome privileges
- * and fragment identifiers.
- *
- * "chrome-data:" <content-type> [; <flag>]* "," [<data>]
- *
- * By Kris Maglione, ideas from Ed Anuff's nsChromeExtensionHandler.
- */
-
-var NAME = "protocols";
-var global = this;
-var Cc = Components.classes;
-var Ci = Components.interfaces;
-var Cu = Components.utils;
-
-var ioService = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
-var systemPrincipal = Cc["@mozilla.org/systemprincipal;1"].getService(Ci.nsIPrincipal);
-
-var DNE = "resource://dactyl/content/does/not/exist";
-var _DNE;
-
-Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
-
-function makeChannel(url, orig) {
- try {
- if (url == null)
- return fakeChannel(orig);
-
- if (typeof url === "function")
- return let ([type, data] = url(orig)) StringChannel(data, type, orig);
-
- if (isArray(url))
- return let ([type, data] = url) StringChannel(data, type, orig);
-
- let uri = ioService.newURI(url, null, null);
- return (new XMLChannel(uri)).channel;
- }
- catch (e) {
- util.reportError(e);
- throw e;
- }
-}
-function fakeChannel(orig) {
- let channel = ioService.newChannel(DNE, null, null);
- channel.originalURI = orig;
- return channel;
-}
-function redirect(to, orig, time) {
- let html = <html><head><meta http-equiv="Refresh" content={(time || 0) + ";" + to}/></head></html>.toXMLString();
- return StringChannel(html, "text/html", ioService.newURI(to, null, null));
-}
-
-function Factory(clas) ({
- __proto__: clas.prototype,
- createInstance: function (outer, iid) {
- try {
- if (outer != null)
- throw Components.results.NS_ERROR_NO_AGGREGATION;
- if (!clas.instance)
- clas.instance = new clas();
- return clas.instance.QueryInterface(iid);
- }
- catch (e) {
- reportError(e);
- throw e;
- }
- }
-});
-
-function ChromeData() {}
-ChromeData.prototype = {
- contractID: "@mozilla.org/network/protocol;1?name=chrome-data",
- classID: Components.ID("{c1b67a07-18f7-4e13-b361-2edcc35a5a0d}"),
- classDescription: "Data URIs with chrome privileges",
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIProtocolHandler]),
- _xpcom_factory: Factory(ChromeData),
-
- scheme: "chrome-data",
- defaultPort: -1,
- allowPort: function (port, scheme) false,
- protocolFlags: Ci.nsIProtocolHandler.URI_NORELATIVE
- | Ci.nsIProtocolHandler.URI_NOAUTH
- | Ci.nsIProtocolHandler.URI_IS_UI_RESOURCE,
-
- newURI: function (spec, charset, baseURI) {
- var uri = Components.classes["@mozilla.org/network/standard-url;1"]
- .createInstance(Components.interfaces.nsIStandardURL)
- .QueryInterface(Components.interfaces.nsIURI);
- uri.init(uri.URLTYPE_STANDARD, this.defaultPort, spec, charset, null);
- return uri;
- },
-
- newChannel: function (uri) {
- try {
- if (uri.scheme == this.scheme) {
- let channel = ioService.newChannel(uri.spec.replace(/^.*?:\/*(.*)(?:#.*)?/, "data:$1"),
- null, null);
- channel.contentCharset = "UTF-8";
- channel.owner = systemPrincipal;
- channel.originalURI = uri;
- return channel;
- }
- }
- catch (e) {}
- return fakeChannel(uri);
- }
-};
-
-function Dactyl() {
- // Kill stupid validator warning.
- this["wrapped" + "JSObject"] = this;
-
- this.HELP_TAGS = {};
- this.FILE_MAP = {};
- this.OVERLAY_MAP = {};
-
- this.pages = {};
- this.providers = {};
-
- Cu.import("resource://dactyl/bootstrap.jsm");
- if (!JSMLoader.initialized)
- JSMLoader.init();
- JSMLoader.load("base.jsm", global);
- require(global, "config");
- require(global, "services");
- require(global, "util");
- _DNE = ioService.newChannel(DNE, null, null).name;
-
- // Doesn't belong here:
- AboutHandler.prototype.register();
-}
-Dactyl.prototype = {
- contractID: "@mozilla.org/network/protocol;1?name=dactyl",
- classID: Components.ID("{9c8f2530-51c8-4d41-b356-319e0b155c44}"),
- classDescription: "Dactyl utility protocol",
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsIProtocolHandler]),
- _xpcom_factory: Factory(Dactyl),
-
- init: function (obj) {
- for each (let prop in ["HELP_TAGS", "FILE_MAP", "OVERLAY_MAP"]) {
- this[prop] = this[prop].constructor();
- for (let [k, v] in Iterator(obj[prop] || {}))
- this[prop][k] = v;
- }
- this.initialized = true;
- },
-
- scheme: "dactyl",
- defaultPort: -1,
- allowPort: function (port, scheme) false,
- protocolFlags: 0
- | Ci.nsIProtocolHandler.URI_IS_UI_RESOURCE
- | Ci.nsIProtocolHandler.URI_IS_LOCAL_RESOURCE,
-
- newURI: function newURI(spec, charset, baseURI) {
- var uri = Cc["@mozilla.org/network/standard-url;1"]
- .createInstance(Ci.nsIStandardURL)
- .QueryInterface(Ci.nsIURI);
- if (baseURI && baseURI.host === "data")
- baseURI = null;
- uri.init(uri.URLTYPE_STANDARD, this.defaultPort, spec, charset, baseURI);
- return uri;
- },
-
- newChannel: function newChannel(uri) {
- try {
- if (/^help/.test(uri.host) && !("all" in this.FILE_MAP))
- return redirect(uri.spec, uri, 1);
-
- if (uri.host in this.providers)
- return makeChannel(this.providers[uri.host](uri), uri);
-
- let path = decodeURIComponent(uri.path.replace(/^\/|#.*/g, ""));
- switch(uri.host) {
- case "content":
- return makeChannel(this.pages[path] || "resource://dactyl-content/" + path, uri);
- case "data":
- try {
- var channel = ioService.newChannel(uri.path.replace(/^\/(.*)(?:#.*)?/, "data:$1"),
- null, null);
- }
- catch (e) {
- var error = e;
- break;
- }
- channel.contentCharset = "UTF-8";
- channel.owner = systemPrincipal;
- channel.originalURI = uri;
- return channel;
- case "help":
- return makeChannel(this.FILE_MAP[path], uri);
- case "help-overlay":
- return makeChannel(this.OVERLAY_MAP[path], uri);
- case "help-tag":
- let tag = decodeURIComponent(uri.path.substr(1));
- if (tag in this.FILE_MAP)
- return redirect("dactyl://help/" + tag, uri);
- if (tag in this.HELP_TAGS)
- return redirect("dactyl://help/" + this.HELP_TAGS[tag] + "#" + tag.replace(/#/g, encodeURIComponent), uri);
- break;
- case "locale":
- return LocaleChannel("dactyl-locale", path, uri);
- case "locale-local":
- return LocaleChannel("dactyl-local-locale", path, uri);
- }
- }
- catch (e) {
- util.reportError(e);
- }
- if (error)
- throw error;
- return fakeChannel(uri);
- },
-
- // FIXME: Belongs elsewhere
- _xpcom_categories: [{
- category: "profile-after-change",
- entry: "m-dactyl"
- }],
-
- observe: function observe(subject, topic, data) {
- if (topic === "profile-after-change") {
- Cu.import("resource://dactyl/bootstrap.jsm");
- JSMLoader.init();
- require(global, "overlay");
- }
- }
-};
-
-function LocaleChannel(pkg, path, orig) {
- for each (let locale in [config.locale, "en-US"])
- for each (let sep in "-/") {
- var channel = makeChannel(["resource:/", pkg + sep + config.locale, path].join("/"), orig);
- if (channel.name !== _DNE)
- return channel;
- }
- return channel;
-}
-
-function StringChannel(data, contentType, uri) {
- let channel = services.StreamChannel(uri);
- channel.contentStream = services.CharsetConv("UTF-8").convertToInputStream(data);
- if (contentType)
- channel.contentType = contentType;
- channel.contentCharset = "UTF-8";
- channel.owner = systemPrincipal;
- if (uri)
- channel.originalURI = uri;
- return channel;
-}
-
-function XMLChannel(uri, contentType) {
- try {
- var channel = services.io.newChannelFromURI(uri);
- var channelStream = channel.open();
- }
- catch (e) {
- this.channel = fakeChannel(uri);
- return;
- }
-
- this.uri = uri;
- this.sourceChannel = services.io.newChannelFromURI(uri);
- this.pipe = services.Pipe(true, true, 0, 0, null);
- this.writes = [];
-
- this.channel = services.StreamChannel(uri);
- this.channel.contentStream = this.pipe.inputStream;
- this.channel.contentType = contentType || channel.contentType;
- this.channel.contentCharset = "UTF-8";
- this.channel.owner = systemPrincipal;
-
- let stream = services.InputStream(channelStream);
- let [, pre, doctype, url, open, post] = util.regexp(<![CDATA[
- ^ ([^]*?)
- (?:
- (<!DOCTYPE \s+ \S+ \s+) SYSTEM \s+ "([^"]*)"
- (\s+ \[)?
- ([^]*)
- )?
- $
- ]]>, "x").exec(stream.read(4096));
- this.writes.push(pre);
- if (doctype) {
- this.writes.push(doctype + "[\n");
- try {
- this.writes.push(services.io.newChannel(url, null, null).open());
- }
- catch (e) {}
- if (!open)
- this.writes.push("\n]");
- this.writes.push(post);
- }
- this.writes.push(channelStream);
-
- this.writeNext();
-}
-XMLChannel.prototype = {
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIRequestObserver]),
- writeNext: function () {
- try {
- if (!this.writes.length)
- this.pipe.outputStream.close();
- else {
- let stream = this.writes.shift();
- if (isString(stream))
- stream = services.StringStream(stream);
-
- services.StreamCopier(stream, this.pipe.outputStream, null,
- false, true, 4096, true, false)
- .asyncCopy(this, null);
- }
- }
- catch (e) {
- util.reportError(e);
- }
- },
-
- onStartRequest: function (request, context) {},
- onStopRequest: function (request, context, statusCode) {
- this.writeNext();
- }
-};
-
-function AboutHandler() {}
-AboutHandler.prototype = {
- register: function () {
- try {
- JSMLoader.registerFactory(Factory(AboutHandler));
- }
- catch (e) {
- util.reportError(e);
- }
- },
-
- get classDescription() "About " + config.appName + " Page",
-
- classID: Components.ID("81495d80-89ee-4c36-a88d-ea7c4e5ac63f"),
-
- get contractID() "@mozilla.org/network/protocol/about;1?what=" + config.name,
-
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIAboutModule]),
-
- newChannel: function (uri) {
- let channel = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService)
- .newChannel("dactyl://content/about.xul", null, null);
- channel.originalURI = uri;
- return channel;
- },
-
- getURIFlags: function (uri) Ci.nsIAboutModule.ALLOW_SCRIPT,
-};
-
-// A hack to get information about interfaces.
-// Doesn't belong here.
-function Shim() {}
-Shim.prototype = {
- contractID: "@dactyl.googlecode.com/base/xpc-interface-shim",
- classID: Components.ID("{f4506a17-5b4d-4cd9-92d4-2eb4630dc388}"),
- classDescription: "XPCOM empty interface shim",
- QueryInterface: function (iid) {
- if (iid.equals(Ci.nsISecurityCheckedComponent))
- throw Components.results.NS_ERROR_NO_INTERFACE;
- return this;
- },
- getHelperForLanguage: function () null,
- getInterfaces: function (count) { count.value = 0; }
-};
-
-if (XPCOMUtils.generateNSGetFactory)
- var NSGetFactory = XPCOMUtils.generateNSGetFactory([ChromeData, Dactyl, Shim]);
-else
- var NSGetModule = XPCOMUtils.generateNSGetModule([ChromeData, Dactyl, Shim]);
-var EXPORTED_SYMBOLS = ["NSGetFactory", "global"];
-
-// vim: set fdm=marker sw=4 ts=4 et:
projects / dactyl.git / blobdiff