mirror of
https://github.com/mozilla/gecko-dev.git
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f143125cc2
MozReview-Commit-ID: DqJdTGopR9G --HG-- extra : rebase_source : e8c9eb03468c075b79013b6e0bd8b367229c24cd
686 lines
22 KiB
JavaScript
686 lines
22 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* vim: set ft=javascript : */
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"use strict";
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var Cu = Components.utils;
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var Ci = Components.interfaces;
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var Cc = Components.classes;
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var Cr = Components.results;
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var Cm = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
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this.EXPORTED_SYMBOLS = ["BrowserElementPromptService"];
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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const NS_PREFBRANCH_PREFCHANGE_TOPIC_ID = "nsPref:changed";
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const BROWSER_FRAMES_ENABLED_PREF = "dom.mozBrowserFramesEnabled";
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function debug(msg) {
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//dump("BrowserElementPromptService - " + msg + "\n");
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}
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function BrowserElementPrompt(win, browserElementChild) {
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this._win = win;
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this._browserElementChild = browserElementChild;
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}
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BrowserElementPrompt.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIPrompt]),
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alert: function(title, text) {
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this._browserElementChild.showModalPrompt(
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this._win, {promptType: "alert", title: title, message: text, returnValue: undefined});
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},
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alertCheck: function(title, text, checkMsg, checkState) {
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// Treat this like a normal alert() call, ignoring the checkState. The
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// front-end can do its own suppression of the alert() if it wants.
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this.alert(title, text);
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},
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confirm: function(title, text) {
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return this._browserElementChild.showModalPrompt(
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this._win, {promptType: "confirm", title: title, message: text, returnValue: undefined});
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},
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confirmCheck: function(title, text, checkMsg, checkState) {
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return this.confirm(title, text);
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},
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// Each button is described by an object with the following schema
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// {
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// string messageType, // 'builtin' or 'custom'
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// string message, // 'ok', 'cancel', 'yes', 'no', 'save', 'dontsave',
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// // 'revert' or a string from caller if messageType was 'custom'.
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// }
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//
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// Expected result from embedder:
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// {
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// int button, // Index of the button that user pressed.
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// boolean checked, // True if the check box is checked.
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// }
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confirmEx: function(title, text, buttonFlags, button0Title, button1Title,
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button2Title, checkMsg, checkState) {
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let buttonProperties = this._buildConfirmExButtonProperties(buttonFlags,
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button0Title,
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button1Title,
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button2Title);
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let defaultReturnValue = { selectedButton: buttonProperties.defaultButton };
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if (checkMsg) {
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defaultReturnValue.checked = checkState.value;
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}
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let ret = this._browserElementChild.showModalPrompt(
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this._win,
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{
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promptType: "custom-prompt",
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title: title,
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message: text,
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defaultButton: buttonProperties.defaultButton,
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buttons: buttonProperties.buttons,
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showCheckbox: !!checkMsg,
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checkboxMessage: checkMsg,
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checkboxCheckedByDefault: !!checkState.value,
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returnValue: defaultReturnValue
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}
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);
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if (checkMsg) {
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checkState.value = ret.checked;
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}
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return buttonProperties.indexToButtonNumberMap[ret.selectedButton];
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},
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prompt: function(title, text, value, checkMsg, checkState) {
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let rv = this._browserElementChild.showModalPrompt(
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this._win,
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{ promptType: "prompt",
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title: title,
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message: text,
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initialValue: value.value,
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returnValue: null });
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value.value = rv;
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// nsIPrompt::Prompt returns true if the user pressed "OK" at the prompt,
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// and false if the user pressed "Cancel".
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//
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// BrowserElementChild returns null for "Cancel" and returns the string the
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// user entered otherwise.
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return rv !== null;
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},
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promptUsernameAndPassword: function(title, text, username, password, checkMsg, checkState) {
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throw Cr.NS_ERROR_NOT_IMPLEMENTED;
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},
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promptPassword: function(title, text, password, checkMsg, checkState) {
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throw Cr.NS_ERROR_NOT_IMPLEMENTED;
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},
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select: function(title, text, aCount, aSelectList, aOutSelection) {
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throw Cr.NS_ERROR_NOT_IMPLEMENTED;
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},
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_buildConfirmExButtonProperties: function(buttonFlags, button0Title,
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button1Title, button2Title) {
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let r = {
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defaultButton: -1,
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buttons: [],
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// This map is for translating array index to the button number that
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// is recognized by Gecko. This shouldn't be exposed to embedder.
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indexToButtonNumberMap: []
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};
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let defaultButton = 0; // Default to Button 0.
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if (buttonFlags & Ci.nsIPrompt.BUTTON_POS_1_DEFAULT) {
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defaultButton = 1;
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} else if (buttonFlags & Ci.nsIPrompt.BUTTON_POS_2_DEFAULT) {
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defaultButton = 2;
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}
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// Properties of each button.
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let buttonPositions = [
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Ci.nsIPrompt.BUTTON_POS_0,
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Ci.nsIPrompt.BUTTON_POS_1,
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Ci.nsIPrompt.BUTTON_POS_2
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];
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function buildButton(buttonTitle, buttonNumber) {
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let ret = {};
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let buttonPosition = buttonPositions[buttonNumber];
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let mask = 0xff * buttonPosition; // 8 bit mask
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let titleType = (buttonFlags & mask) / buttonPosition;
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ret.messageType = 'builtin';
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switch(titleType) {
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case Ci.nsIPrompt.BUTTON_TITLE_OK:
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ret.message = 'ok';
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break;
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case Ci.nsIPrompt.BUTTON_TITLE_CANCEL:
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ret.message = 'cancel';
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break;
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case Ci.nsIPrompt.BUTTON_TITLE_YES:
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ret.message = 'yes';
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break;
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case Ci.nsIPrompt.BUTTON_TITLE_NO:
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ret.message = 'no';
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break;
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case Ci.nsIPrompt.BUTTON_TITLE_SAVE:
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ret.message = 'save';
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break;
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case Ci.nsIPrompt.BUTTON_TITLE_DONT_SAVE:
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ret.message = 'dontsave';
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break;
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case Ci.nsIPrompt.BUTTON_TITLE_REVERT:
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ret.message = 'revert';
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break;
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case Ci.nsIPrompt.BUTTON_TITLE_IS_STRING:
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ret.message = buttonTitle;
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ret.messageType = 'custom';
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break;
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default:
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// This button is not shown.
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return;
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}
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// If this is the default button, set r.defaultButton to
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// the index of this button in the array. This value is going to be
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// exposed to the embedder.
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if (defaultButton === buttonNumber) {
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r.defaultButton = r.buttons.length;
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}
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r.buttons.push(ret);
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r.indexToButtonNumberMap.push(buttonNumber);
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}
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buildButton(button0Title, 0);
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buildButton(button1Title, 1);
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buildButton(button2Title, 2);
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// If defaultButton is still -1 here, it means the default button won't
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// be shown.
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if (r.defaultButton === -1) {
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throw new Components.Exception("Default button won't be shown",
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Cr.NS_ERROR_FAILURE);
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}
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return r;
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},
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};
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function BrowserElementAuthPrompt() {
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}
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BrowserElementAuthPrompt.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIAuthPrompt2]),
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promptAuth: function promptAuth(channel, level, authInfo) {
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throw Cr.NS_ERROR_NOT_IMPLEMENTED;
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},
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asyncPromptAuth: function asyncPromptAuth(channel, callback, context, level, authInfo) {
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debug("asyncPromptAuth");
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// The cases that we don't support now.
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if ((authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY) &&
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(authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD)) {
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throw Cr.NS_ERROR_FAILURE;
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}
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let frame = this._getFrameFromChannel(channel);
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if (!frame) {
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debug("Cannot get frame, asyncPromptAuth fail");
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throw Cr.NS_ERROR_FAILURE;
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}
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let browserElementParent =
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BrowserElementPromptService.getBrowserElementParentForFrame(frame);
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if (!browserElementParent) {
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debug("Failed to load browser element parent.");
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throw Cr.NS_ERROR_FAILURE;
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}
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let consumer = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsICancelable]),
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callback: callback,
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context: context,
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cancel: function() {
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this.callback.onAuthCancelled(this.context, false);
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this.callback = null;
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this.context = null;
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}
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};
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let [hostname, httpRealm] = this._getAuthTarget(channel, authInfo);
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let hashKey = level + "|" + hostname + "|" + httpRealm;
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let asyncPrompt = this._asyncPrompts[hashKey];
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if (asyncPrompt) {
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asyncPrompt.consumers.push(consumer);
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return consumer;
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}
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asyncPrompt = {
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consumers: [consumer],
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channel: channel,
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authInfo: authInfo,
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level: level,
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inProgress: false,
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browserElementParent: browserElementParent
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};
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this._asyncPrompts[hashKey] = asyncPrompt;
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this._doAsyncPrompt();
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return consumer;
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},
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// Utilities for nsIAuthPrompt2 ----------------
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_asyncPrompts: {},
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_asyncPromptInProgress: new WeakMap(),
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_doAsyncPrompt: function() {
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// Find the key of a prompt whose browser element parent does not have
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// async prompt in progress.
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let hashKey = null;
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for (let key in this._asyncPrompts) {
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let prompt = this._asyncPrompts[key];
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if (!this._asyncPromptInProgress.get(prompt.browserElementParent)) {
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hashKey = key;
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break;
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}
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}
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// Didn't find an available prompt, so just return.
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if (!hashKey)
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return;
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let prompt = this._asyncPrompts[hashKey];
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let [hostname, httpRealm] = this._getAuthTarget(prompt.channel,
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prompt.authInfo);
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this._asyncPromptInProgress.set(prompt.browserElementParent, true);
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prompt.inProgress = true;
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let self = this;
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let callback = function(ok, username, password) {
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debug("Async auth callback is called, ok = " +
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ok + ", username = " + username);
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// Here we got the username and password provided by embedder, or
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// ok = false if the prompt was cancelled by embedder.
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delete self._asyncPrompts[hashKey];
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prompt.inProgress = false;
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self._asyncPromptInProgress.delete(prompt.browserElementParent);
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// Fill authentication information with username and password provided
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// by user.
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let flags = prompt.authInfo.flags;
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if (username) {
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if (flags & Ci.nsIAuthInformation.NEED_DOMAIN) {
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// Domain is separated from username by a backslash
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let idx = username.indexOf("\\");
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if (idx == -1) {
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prompt.authInfo.username = username;
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} else {
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prompt.authInfo.domain = username.substring(0, idx);
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prompt.authInfo.username = username.substring(idx + 1);
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}
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} else {
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prompt.authInfo.username = username;
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}
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}
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if (password) {
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prompt.authInfo.password = password;
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}
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for (let consumer of prompt.consumers) {
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if (!consumer.callback) {
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// Not having a callback means that consumer didn't provide it
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// or canceled the notification.
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continue;
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}
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try {
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if (ok) {
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debug("Ok, calling onAuthAvailable to finish auth");
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consumer.callback.onAuthAvailable(consumer.context, prompt.authInfo);
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} else {
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debug("Cancelled, calling onAuthCancelled to finish auth.");
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consumer.callback.onAuthCancelled(consumer.context, true);
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}
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} catch (e) { /* Throw away exceptions caused by callback */ }
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}
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// Process the next prompt, if one is pending.
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self._doAsyncPrompt();
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};
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let runnable = {
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run: function() {
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// Call promptAuth of browserElementParent, to show the prompt.
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prompt.browserElementParent.promptAuth(
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self._createAuthDetail(prompt.channel, prompt.authInfo),
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callback);
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}
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}
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Services.tm.dispatchToMainThread(runnable);
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},
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_getFrameFromChannel: function(channel) {
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let loadContext = channel.notificationCallbacks.getInterface(Ci.nsILoadContext);
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return loadContext.topFrameElement;
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},
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_createAuthDetail: function(channel, authInfo) {
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let [hostname, httpRealm] = this._getAuthTarget(channel, authInfo);
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return {
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host: hostname,
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path: channel.URI.pathQueryRef,
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realm: httpRealm,
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username: authInfo.username,
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isProxy: !!(authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY),
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isOnlyPassword: !!(authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD)
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};
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},
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// The code is taken from nsLoginManagerPrompter.js, with slight
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// modification for parameter name consistency here.
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_getAuthTarget : function (channel, authInfo) {
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let hostname, realm;
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// If our proxy is demanding authentication, don't use the
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// channel's actual destination.
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if (authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY) {
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if (!(channel instanceof Ci.nsIProxiedChannel))
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throw new Error("proxy auth needs nsIProxiedChannel");
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let info = channel.proxyInfo;
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if (!info)
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throw new Error("proxy auth needs nsIProxyInfo");
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// Proxies don't have a scheme, but we'll use "moz-proxy://"
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// so that it's more obvious what the login is for.
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var idnService = Cc["@mozilla.org/network/idn-service;1"].
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getService(Ci.nsIIDNService);
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hostname = "moz-proxy://" +
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idnService.convertUTF8toACE(info.host) +
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":" + info.port;
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realm = authInfo.realm;
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if (!realm)
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realm = hostname;
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return [hostname, realm];
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}
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hostname = this._getFormattedHostname(channel.URI);
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// If a HTTP WWW-Authenticate header specified a realm, that value
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// will be available here. If it wasn't set or wasn't HTTP, we'll use
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// the formatted hostname instead.
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realm = authInfo.realm;
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if (!realm)
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realm = hostname;
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return [hostname, realm];
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},
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/**
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* Strip out things like userPass and path for display.
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*/
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_getFormattedHostname : function(uri) {
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return uri.scheme + "://" + uri.hostPort;
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},
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};
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function AuthPromptWrapper(oldImpl, browserElementImpl) {
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this._oldImpl = oldImpl;
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this._browserElementImpl = browserElementImpl;
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}
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AuthPromptWrapper.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIAuthPrompt2]),
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promptAuth: function(channel, level, authInfo) {
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if (this._canGetParentElement(channel)) {
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return this._browserElementImpl.promptAuth(channel, level, authInfo);
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} else {
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return this._oldImpl.promptAuth(channel, level, authInfo);
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}
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},
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asyncPromptAuth: function(channel, callback, context, level, authInfo) {
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if (this._canGetParentElement(channel)) {
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return this._browserElementImpl.asyncPromptAuth(channel, callback, context, level, authInfo);
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} else {
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return this._oldImpl.asyncPromptAuth(channel, callback, context, level, authInfo);
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}
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},
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_canGetParentElement: function(channel) {
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try {
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let context = channel.notificationCallbacks.getInterface(Ci.nsILoadContext);
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let frame = context.topFrameElement;
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if (!frame) {
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// This function returns a boolean value
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return !!context.nestedFrameId;
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}
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if (!BrowserElementPromptService.getBrowserElementParentForFrame(frame))
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return false;
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return true;
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} catch (e) {
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return false;
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}
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}
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};
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function BrowserElementPromptFactory(toWrap) {
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this._wrapped = toWrap;
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}
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BrowserElementPromptFactory.prototype = {
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classID: Components.ID("{24f3d0cf-e417-4b85-9017-c9ecf8bb1299}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIPromptFactory]),
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_mayUseNativePrompt: function() {
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try {
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return Services.prefs.getBoolPref("browser.prompt.allowNative");
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} catch (e) {
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// This properity is default to true.
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return true;
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}
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},
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_getNativePromptIfAllowed: function(win, iid, err) {
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if (this._mayUseNativePrompt())
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return this._wrapped.getPrompt(win, iid);
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else {
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// Not allowed, throw an exception.
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throw err;
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}
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},
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getPrompt: function(win, iid) {
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// It is possible for some object to get a prompt without passing
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// valid reference of window, like nsNSSComponent. In such case, we
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// should just fall back to the native prompt service
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if (!win)
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return this._getNativePromptIfAllowed(win, iid, Cr.NS_ERROR_INVALID_ARG);
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if (iid.number != Ci.nsIPrompt.number &&
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iid.number != Ci.nsIAuthPrompt2.number) {
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debug("We don't recognize the requested IID (" + iid + ", " +
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"allowed IID: " +
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"nsIPrompt=" + Ci.nsIPrompt + ", " +
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"nsIAuthPrompt2=" + Ci.nsIAuthPrompt2 + ")");
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return this._getNativePromptIfAllowed(win, iid, Cr.NS_ERROR_INVALID_ARG);
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}
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|
|
|
// Try to find a BrowserElementChild for the window.
|
|
let browserElementChild =
|
|
BrowserElementPromptService.getBrowserElementChildForWindow(win);
|
|
|
|
if (iid.number === Ci.nsIAuthPrompt2.number) {
|
|
debug("Caller requests an instance of nsIAuthPrompt2.");
|
|
|
|
if (browserElementChild) {
|
|
// If we are able to get a BrowserElementChild, it means that
|
|
// the auth prompt is for a mozbrowser. Therefore we don't need to
|
|
// fall back.
|
|
return new BrowserElementAuthPrompt().QueryInterface(iid);
|
|
}
|
|
|
|
// Because nsIAuthPrompt2 is called in parent process. If caller
|
|
// wants nsIAuthPrompt2 and we cannot get BrowserElementchild,
|
|
// it doesn't mean that we should fallback. It is possible that we can
|
|
// get the BrowserElementParent from nsIChannel that passed to
|
|
// functions of nsIAuthPrompt2.
|
|
if (this._mayUseNativePrompt()) {
|
|
return new AuthPromptWrapper(
|
|
this._wrapped.getPrompt(win, iid),
|
|
new BrowserElementAuthPrompt().QueryInterface(iid))
|
|
.QueryInterface(iid);
|
|
} else {
|
|
// Falling back is not allowed, so we don't need wrap the
|
|
// BrowserElementPrompt.
|
|
return new BrowserElementAuthPrompt().QueryInterface(iid);
|
|
}
|
|
}
|
|
|
|
if (!browserElementChild) {
|
|
debug("We can't find a browserElementChild for " +
|
|
win + ", " + win.location);
|
|
return this._getNativePromptIfAllowed(win, iid, Cr.NS_ERROR_FAILURE);
|
|
}
|
|
|
|
debug("Returning wrapped getPrompt for " + win);
|
|
return new BrowserElementPrompt(win, browserElementChild)
|
|
.QueryInterface(iid);
|
|
}
|
|
};
|
|
|
|
this.BrowserElementPromptService = {
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
|
|
Ci.nsISupportsWeakReference]),
|
|
|
|
_initialized: false,
|
|
|
|
_init: function() {
|
|
if (this._initialized) {
|
|
return;
|
|
}
|
|
|
|
// If the pref is disabled, do nothing except wait for the pref to change.
|
|
if (!this._browserFramesPrefEnabled()) {
|
|
var prefs = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
|
|
prefs.addObserver(BROWSER_FRAMES_ENABLED_PREF, this, /* ownsWeak = */ true);
|
|
return;
|
|
}
|
|
|
|
this._initialized = true;
|
|
this._browserElementParentMap = new WeakMap();
|
|
|
|
var os = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
|
|
os.addObserver(this, "outer-window-destroyed", /* ownsWeak = */ true);
|
|
|
|
// Wrap the existing @mozilla.org/prompter;1 implementation.
|
|
var contractID = "@mozilla.org/prompter;1";
|
|
var oldCID = Cm.contractIDToCID(contractID);
|
|
var newCID = BrowserElementPromptFactory.prototype.classID;
|
|
var oldFactory = Cm.getClassObject(Cc[contractID], Ci.nsIFactory);
|
|
|
|
if (oldCID == newCID) {
|
|
debug("WARNING: Wrapped prompt factory is already installed!");
|
|
return;
|
|
}
|
|
|
|
Cm.unregisterFactory(oldCID, oldFactory);
|
|
|
|
var oldInstance = oldFactory.createInstance(null, Ci.nsIPromptFactory);
|
|
var newInstance = new BrowserElementPromptFactory(oldInstance);
|
|
|
|
var newFactory = {
|
|
createInstance: function(outer, iid) {
|
|
if (outer != null) {
|
|
throw Cr.NS_ERROR_NO_AGGREGATION;
|
|
}
|
|
return newInstance.QueryInterface(iid);
|
|
}
|
|
};
|
|
Cm.registerFactory(newCID,
|
|
"BrowserElementPromptService's prompter;1 wrapper",
|
|
contractID, newFactory);
|
|
|
|
debug("Done installing new prompt factory.");
|
|
},
|
|
|
|
_getOuterWindowID: function(win) {
|
|
return win.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils)
|
|
.outerWindowID;
|
|
},
|
|
|
|
_browserElementChildMap: {},
|
|
mapWindowToBrowserElementChild: function(win, browserElementChild) {
|
|
this._browserElementChildMap[this._getOuterWindowID(win)] = browserElementChild;
|
|
},
|
|
unmapWindowToBrowserElementChild: function(win) {
|
|
delete this._browserElementChildMap[this._getOuterWindowID(win)];
|
|
},
|
|
|
|
getBrowserElementChildForWindow: function(win) {
|
|
// We only have a mapping for <iframe mozbrowser>s, not their inner
|
|
// <iframes>, so we look up win.top below. window.top (when called from
|
|
// script) respects <iframe mozbrowser> boundaries.
|
|
return this._browserElementChildMap[this._getOuterWindowID(win.top)];
|
|
},
|
|
|
|
mapFrameToBrowserElementParent: function(frame, browserElementParent) {
|
|
this._browserElementParentMap.set(frame, browserElementParent);
|
|
},
|
|
|
|
getBrowserElementParentForFrame: function(frame) {
|
|
return this._browserElementParentMap.get(frame);
|
|
},
|
|
|
|
_observeOuterWindowDestroyed: function(outerWindowID) {
|
|
let id = outerWindowID.QueryInterface(Ci.nsISupportsPRUint64).data;
|
|
debug("observeOuterWindowDestroyed " + id);
|
|
delete this._browserElementChildMap[outerWindowID.data];
|
|
},
|
|
|
|
_browserFramesPrefEnabled: function() {
|
|
var prefs = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch);
|
|
try {
|
|
return prefs.getBoolPref(BROWSER_FRAMES_ENABLED_PREF);
|
|
}
|
|
catch(e) {
|
|
return false;
|
|
}
|
|
},
|
|
|
|
observe: function(subject, topic, data) {
|
|
switch(topic) {
|
|
case NS_PREFBRANCH_PREFCHANGE_TOPIC_ID:
|
|
if (data == BROWSER_FRAMES_ENABLED_PREF) {
|
|
this._init();
|
|
}
|
|
break;
|
|
case "outer-window-destroyed":
|
|
this._observeOuterWindowDestroyed(subject);
|
|
break;
|
|
default:
|
|
debug("Observed unexpected topic " + topic);
|
|
}
|
|
}
|
|
};
|
|
|
|
BrowserElementPromptService._init();
|