gecko-dev/devtools/client/storage/ui.js

1368 строки
44 KiB
JavaScript

/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const EventEmitter = require("devtools/shared/event-emitter");
const {LocalizationHelper, ELLIPSIS} = require("devtools/shared/l10n");
const KeyShortcuts = require("devtools/client/shared/key-shortcuts");
const JSOL = require("devtools/client/shared/vendor/jsol");
const {KeyCodes} = require("devtools/client/shared/keycodes");
const { getUnicodeHostname } = require("devtools/client/shared/unicode-url");
// GUID to be used as a separator in compound keys. This must match the same
// constant in devtools/server/actors/storage.js,
// devtools/client/storage/test/head.js and
// devtools/server/tests/browser/head.js
const SEPARATOR_GUID = "{9d414cc5-8319-0a04-0586-c0a6ae01670a}";
loader.lazyRequireGetter(this, "TreeWidget",
"devtools/client/shared/widgets/TreeWidget", true);
loader.lazyRequireGetter(this, "TableWidget",
"devtools/client/shared/widgets/TableWidget", true);
loader.lazyImporter(this, "VariablesView",
"resource://devtools/client/shared/widgets/VariablesView.jsm");
/**
* Localization convenience methods.
*/
const STORAGE_STRINGS = "devtools/client/locales/storage.properties";
const L10N = new LocalizationHelper(STORAGE_STRINGS);
const GENERIC_VARIABLES_VIEW_SETTINGS = {
lazyEmpty: true,
// ms
lazyEmptyDelay: 10,
searchEnabled: true,
searchPlaceholder: L10N.getStr("storage.search.placeholder"),
preventDescriptorModifiers: true
};
const REASON = {
NEW_ROW: "new-row",
NEXT_50_ITEMS: "next-50-items",
POPULATE: "populate",
UPDATE: "update"
};
const COOKIE_KEY_MAP = {
path: "Path",
host: "Domain",
expires: "Expires",
isSecure: "Secure",
isHttpOnly: "HttpOnly",
isDomain: "HostOnly",
creationTime: "CreationTime",
lastAccessed: "LastAccessed"
};
const SAFE_HOSTS_PREFIXES_REGEX = /^(about:|https?:|file:|moz-extension:)/;
// Maximum length of item name to show in context menu label - will be
// trimmed with ellipsis if it's longer.
const ITEM_NAME_MAX_LENGTH = 32;
/**
* StorageUI is controls and builds the UI of the Storage Inspector.
*
* @param {Front} front
* Front for the storage actor
* @param {Target} target
* Interface for the page we're debugging
* @param {Window} panelWin
* Window of the toolbox panel to populate UI in.
*/
class StorageUI {
constructor(front, target, panelWin, toolbox) {
EventEmitter.decorate(this);
this._target = target;
this._window = panelWin;
this._panelDoc = panelWin.document;
this._toolbox = toolbox;
this.front = front;
this.storageTypes = null;
this.sidebarToggledOpen = null;
this.shouldLoadMoreItems = true;
const treeNode = this._panelDoc.getElementById("storage-tree");
this.tree = new TreeWidget(treeNode, {
defaultType: "dir",
contextMenuId: "storage-tree-popup"
});
this.onHostSelect = this.onHostSelect.bind(this);
this.tree.on("select", this.onHostSelect);
const tableNode = this._panelDoc.getElementById("storage-table");
this.table = new TableWidget(tableNode, {
emptyText: L10N.getStr("table.emptyText"),
highlightUpdated: true,
cellContextMenuId: "storage-table-popup"
});
this.updateObjectSidebar = this.updateObjectSidebar.bind(this);
this.table.on(TableWidget.EVENTS.ROW_SELECTED, this.updateObjectSidebar);
this.handleScrollEnd = this.handleScrollEnd.bind(this);
this.table.on(TableWidget.EVENTS.SCROLL_END, this.handleScrollEnd);
this.editItem = this.editItem.bind(this);
this.table.on(TableWidget.EVENTS.CELL_EDIT, this.editItem);
this.sidebar = this._panelDoc.getElementById("storage-sidebar");
this.sidebar.setAttribute("width", "300");
this.view = new VariablesView(this.sidebar.firstChild,
GENERIC_VARIABLES_VIEW_SETTINGS);
this.filterItems = this.filterItems.bind(this);
this.onPaneToggleButtonClicked = this.onPaneToggleButtonClicked.bind(this);
this.setupToolbar();
const shortcuts = new KeyShortcuts({
window: this._panelDoc.defaultView,
});
const key = L10N.getStr("storage.filter.key");
shortcuts.on(key, event => {
event.preventDefault();
this.searchBox.focus();
});
this.front.listStores().then(storageTypes => {
// When we are in the browser console we list indexedDBs internal to
// Firefox e.g. defined inside a .jsm. Because there is no way before this
// point to know whether or not we are inside the browser toolbox we have
// already fetched the hostnames of these databases.
//
// If we are not inside the browser toolbox we need to delete these
// hostnames.
if (!this._target.chrome && storageTypes.indexedDB) {
const hosts = storageTypes.indexedDB.hosts;
const newHosts = {};
for (const [host, dbs] of Object.entries(hosts)) {
if (SAFE_HOSTS_PREFIXES_REGEX.test(host)) {
newHosts[host] = dbs;
}
}
storageTypes.indexedDB.hosts = newHosts;
}
this.populateStorageTree(storageTypes);
}).catch(e => {
if (!this._toolbox || this._toolbox._destroyer) {
// The toolbox is in the process of being destroyed... in this case throwing here
// is expected and normal so let's ignore the error.
return;
}
// The toolbox is open so the error is unexpected and real so let's log it.
console.error(e);
});
this.onEdit = this.onEdit.bind(this);
this.front.on("stores-update", this.onEdit);
this.onCleared = this.onCleared.bind(this);
this.front.on("stores-cleared", this.onCleared);
this.handleKeypress = this.handleKeypress.bind(this);
this._panelDoc.addEventListener("keypress", this.handleKeypress);
this.onTreePopupShowing = this.onTreePopupShowing.bind(this);
this._treePopup = this._panelDoc.getElementById("storage-tree-popup");
this._treePopup.addEventListener("popupshowing", this.onTreePopupShowing);
this.onTablePopupShowing = this.onTablePopupShowing.bind(this);
this._tablePopup = this._panelDoc.getElementById("storage-table-popup");
this._tablePopup.addEventListener("popupshowing", this.onTablePopupShowing);
this.onRefreshTable = this.onRefreshTable.bind(this);
this.onAddItem = this.onAddItem.bind(this);
this.onRemoveItem = this.onRemoveItem.bind(this);
this.onRemoveAllFrom = this.onRemoveAllFrom.bind(this);
this.onRemoveAll = this.onRemoveAll.bind(this);
this.onRemoveAllSessionCookies = this.onRemoveAllSessionCookies.bind(this);
this.onRemoveTreeItem = this.onRemoveTreeItem.bind(this);
this._refreshButton = this._panelDoc.getElementById("refresh-button");
this._refreshButton.addEventListener("command", this.onRefreshTable);
this._addButton = this._panelDoc.getElementById("add-button");
this._addButton.addEventListener("command", this.onAddItem);
this._tablePopupAddItem = this._panelDoc.getElementById(
"storage-table-popup-add");
this._tablePopupAddItem.addEventListener("command", this.onAddItem);
this._tablePopupDelete = this._panelDoc.getElementById(
"storage-table-popup-delete");
this._tablePopupDelete.addEventListener("command", this.onRemoveItem);
this._tablePopupDeleteAllFrom = this._panelDoc.getElementById(
"storage-table-popup-delete-all-from");
this._tablePopupDeleteAllFrom.addEventListener("command",
this.onRemoveAllFrom);
this._tablePopupDeleteAll = this._panelDoc.getElementById(
"storage-table-popup-delete-all");
this._tablePopupDeleteAll.addEventListener("command", this.onRemoveAll);
this._tablePopupDeleteAllSessionCookies = this._panelDoc.getElementById(
"storage-table-popup-delete-all-session-cookies");
this._tablePopupDeleteAllSessionCookies.addEventListener("command",
this.onRemoveAllSessionCookies);
this._treePopupDeleteAll = this._panelDoc.getElementById(
"storage-tree-popup-delete-all");
this._treePopupDeleteAll.addEventListener("command", this.onRemoveAll);
this._treePopupDeleteAllSessionCookies = this._panelDoc.getElementById(
"storage-tree-popup-delete-all-session-cookies");
this._treePopupDeleteAllSessionCookies.addEventListener("command",
this.onRemoveAllSessionCookies);
this._treePopupDelete = this._panelDoc.getElementById("storage-tree-popup-delete");
this._treePopupDelete.addEventListener("command", this.onRemoveTreeItem);
}
set animationsEnabled(value) {
this._panelDoc.documentElement.classList.toggle("no-animate", !value);
}
destroy() {
this.table.off(TableWidget.EVENTS.ROW_SELECTED, this.updateObjectSidebar);
this.table.off(TableWidget.EVENTS.SCROLL_END, this.handleScrollEnd);
this.table.off(TableWidget.EVENTS.CELL_EDIT, this.editItem);
this.table.destroy();
this.front.off("stores-update", this.onEdit);
this.front.off("stores-cleared", this.onCleared);
this._panelDoc.removeEventListener("keypress", this.handleKeypress);
this.searchBox.removeEventListener("input", this.filterItems);
this.searchBox = null;
this.sidebarToggleBtn.removeEventListener("click", this.onPaneToggleButtonClicked);
this.sidebarToggleBtn = null;
this._treePopup.removeEventListener("popupshowing", this.onTreePopupShowing);
this._refreshButton.removeEventListener("command", this.onRefreshTable);
this._addButton.removeEventListener("command", this.onAddItem);
this._tablePopupAddItem.removeEventListener("command", this.onAddItem);
this._treePopupDeleteAll.removeEventListener("command", this.onRemoveAll);
this._treePopupDeleteAllSessionCookies.removeEventListener("command",
this.onRemoveAllSessionCookies);
this._treePopupDelete.removeEventListener("command", this.onRemoveTreeItem);
this._tablePopup.removeEventListener("popupshowing", this.onTablePopupShowing);
this._tablePopupDelete.removeEventListener("command", this.onRemoveItem);
this._tablePopupDeleteAllFrom.removeEventListener("command", this.onRemoveAllFrom);
this._tablePopupDeleteAll.removeEventListener("command", this.onRemoveAll);
this._tablePopupDeleteAllSessionCookies.removeEventListener("command",
this.onRemoveAllSessionCookies);
}
setupToolbar() {
this.searchBox = this._panelDoc.getElementById("storage-searchbox");
this.searchBox.addEventListener("command", this.filterItems);
// Setup the sidebar toggle button.
this.sidebarToggleBtn = this._panelDoc.querySelector(".sidebar-toggle");
this.updateSidebarToggleButton();
this.sidebarToggleBtn.addEventListener("click", this.onPaneToggleButtonClicked);
}
onPaneToggleButtonClicked() {
if (this.sidebar.hidden && this.table.selectedRow) {
this.sidebar.hidden = false;
this.sidebarToggledOpen = true;
this.updateSidebarToggleButton();
} else {
this.sidebarToggledOpen = false;
this.hideSidebar();
}
}
updateSidebarToggleButton() {
let title;
this.sidebarToggleBtn.hidden = !this.table.hasSelectedRow;
if (this.sidebar.hidden) {
this.sidebarToggleBtn.classList.add("pane-collapsed");
title = L10N.getStr("storage.expandPane");
} else {
this.sidebarToggleBtn.classList.remove("pane-collapsed");
title = L10N.getStr("storage.collapsePane");
}
this.sidebarToggleBtn.setAttribute("tooltiptext", title);
}
/**
* Hide the object viewer sidebar
*/
hideSidebar() {
this.sidebar.hidden = true;
this.updateSidebarToggleButton();
}
getCurrentFront() {
const type = this.table.datatype;
return this.storageTypes[type];
}
/**
* Make column fields editable
*
* @param {Array} editableFields
* An array of keys of columns to be made editable
*/
makeFieldsEditable(editableFields) {
if (editableFields && editableFields.length > 0) {
this.table.makeFieldsEditable(editableFields);
} else if (this.table._editableFieldsEngine) {
this.table._editableFieldsEngine.destroy();
}
}
editItem(data) {
const front = this.getCurrentFront();
front.editItem(data);
}
/**
* Removes the given item from the storage table. Reselects the next item in
* the table and repopulates the sidebar with that item's data if the item
* being removed was selected.
*/
async removeItemFromTable(name) {
if (this.table.isSelected(name) && this.table.items.size > 1) {
if (this.table.selectedIndex == 0) {
this.table.selectNextRow();
} else {
this.table.selectPreviousRow();
}
}
this.table.remove(name);
await this.updateObjectSidebar();
}
/**
* Event handler for "stores-cleared" event coming from the storage actor.
*
* @param {object} response
* An object containing which storage types were cleared
*/
onCleared(response) {
function* enumPaths() {
for (const type in response) {
if (Array.isArray(response[type])) {
// Handle the legacy response with array of hosts
for (const host of response[type]) {
yield [type, host];
}
} else {
// Handle the new format that supports clearing sub-stores in a host
for (const host in response[type]) {
const paths = response[type][host];
if (!paths.length) {
yield [type, host];
} else {
for (let path of paths) {
try {
path = JSON.parse(path);
yield [type, host, ...path];
} catch (ex) {
// ignore
}
}
}
}
}
}
}
for (const path of enumPaths()) {
// Find if the path is selected (there is max one) and clear it
if (this.tree.isSelected(path)) {
this.table.clear();
this.hideSidebar();
this.emit("store-objects-cleared");
break;
}
}
}
/**
* Event handler for "stores-update" event coming from the storage actor.
*
* @param {object} argument0
* An object containing the details of the added, changed and deleted
* storage objects.
* Each of these 3 objects are of the following format:
* {
* <store_type1>: {
* <host1>: [<store_names1>, <store_name2>...],
* <host2>: [<store_names34>...], ...
* },
* <store_type2>: {
* <host1>: [<store_names1>, <store_name2>...],
* <host2>: [<store_names34>...], ...
* }, ...
* }
* Where store_type1 and store_type2 is one of cookies, indexedDB,
* sessionStorage and localStorage; host1, host2 are the host in which
* this change happened; and [<store_namesX] is an array of the names
* of the changed store objects. This array is empty for deleted object
* if the host was completely removed.
*/
async onEdit({ changed, added, deleted }) {
if (added) {
await this.handleAddedItems(added);
}
if (changed) {
await this.handleChangedItems(changed);
}
// We are dealing with batches of changes here. Deleted **MUST** come last in case it
// is in the same batch as added and changed events e.g.
// - An item is changed then deleted in the same batch: deleted then changed will
// display an item that has been deleted.
// - An item is added then deleted in the same batch: deleted then added will
// display an item that has been deleted.
if (deleted) {
await this.handleDeletedItems(deleted);
}
if (added || deleted || changed) {
this.emit("store-objects-edit");
}
}
/**
* Handle added items received by onEdit
*
* @param {object} See onEdit docs
*/
async handleAddedItems(added) {
for (const type in added) {
for (const host in added[type]) {
const label = this.getReadableLabelFromHostname(host);
this.tree.add([type, {id: host, label: label, type: "url"}]);
for (let name of added[type][host]) {
try {
name = JSON.parse(name);
if (name.length == 3) {
name.splice(2, 1);
}
this.tree.add([type, host, ...name]);
if (!this.tree.selectedItem) {
this.tree.selectedItem = [type, host, name[0], name[1]];
await this.fetchStorageObjects(type, host, [JSON.stringify(name)],
REASON.NEW_ROW);
}
} catch (ex) {
// Do nothing
}
}
if (this.tree.isSelected([type, host])) {
await this.fetchStorageObjects(type, host, added[type][host],
REASON.NEW_ROW);
}
}
}
}
/**
* Handle deleted items received by onEdit
*
* @param {object} See onEdit docs
*/
async handleDeletedItems(deleted) {
for (const type in deleted) {
for (const host in deleted[type]) {
if (!deleted[type][host].length) {
// This means that the whole host is deleted, thus the item should
// be removed from the storage tree
if (this.tree.isSelected([type, host])) {
this.table.clear();
this.hideSidebar();
this.tree.selectPreviousItem();
}
this.tree.remove([type, host]);
} else {
for (const name of deleted[type][host]) {
try {
// trying to parse names in case of indexedDB or cache
const names = JSON.parse(name);
// Is a whole cache, database or objectstore deleted?
// Then remove it from the tree.
if (names.length < 3) {
if (this.tree.isSelected([type, host, ...names])) {
this.table.clear();
this.hideSidebar();
this.tree.selectPreviousItem();
}
this.tree.remove([type, host, ...names]);
}
// Remove the item from table if currently displayed.
if (names.length > 0) {
const tableItemName = names.pop();
if (this.tree.isSelected([type, host, ...names])) {
await this.removeItemFromTable(tableItemName);
}
}
} catch (ex) {
if (this.tree.isSelected([type, host])) {
await this.removeItemFromTable(name);
}
}
}
}
}
}
}
/**
* Handle changed items received by onEdit
*
* @param {object} See onEdit docs
*/
async handleChangedItems(changed) {
const selectedItem = this.tree.selectedItem;
if (!selectedItem) {
return;
}
const [type, host, db, objectStore] = selectedItem;
if (!changed[type] || !changed[type][host] ||
changed[type][host].length == 0) {
return;
}
try {
const toUpdate = [];
for (const name of changed[type][host]) {
const names = JSON.parse(name);
if (names[0] == db && names[1] == objectStore && names[2]) {
toUpdate.push(name);
}
}
await this.fetchStorageObjects(type, host, toUpdate, REASON.UPDATE);
} catch (ex) {
await this.fetchStorageObjects(type, host, changed[type][host], REASON.UPDATE);
}
}
/**
* Fetches the storage objects from the storage actor and populates the
* storage table with the returned data.
*
* @param {string} type
* The type of storage. Ex. "cookies"
* @param {string} host
* Hostname
* @param {array} names
* Names of particular store objects. Empty if all are requested
* @param {Constant} reason
* See REASON constant at top of file.
*/
async fetchStorageObjects(type, host, names, reason) {
const fetchOpts = reason === REASON.NEXT_50_ITEMS ? {offset: this.itemOffset}
: {};
const storageType = this.storageTypes[type];
this.sidebarToggledOpen = null;
if (reason !== REASON.NEXT_50_ITEMS &&
reason !== REASON.UPDATE &&
reason !== REASON.NEW_ROW &&
reason !== REASON.POPULATE) {
throw new Error("Invalid reason specified");
}
try {
if (reason === REASON.POPULATE) {
let subType = null;
// The indexedDB type could have sub-type data to fetch.
// If having names specified, then it means
// we are fetching details of specific database or of object store.
if (type === "indexedDB" && names) {
const [ dbName, objectStoreName ] = JSON.parse(names[0]);
if (dbName) {
subType = "database";
}
if (objectStoreName) {
subType = "object store";
}
}
this.actorSupportsAddItem = await this._target.actorHasMethod(type, "addItem");
this.actorSupportsRemoveItem =
await this._target.actorHasMethod(type, "removeItem");
this.actorSupportsRemoveAll =
await this._target.actorHasMethod(type, "removeAll");
this.actorSupportsRemoveAllSessionCookies =
await this._target.actorHasMethod(type, "removeAllSessionCookies");
await this.resetColumns(type, host, subType);
}
const {data} = await storageType.getStoreObjects(host, names, fetchOpts);
if (data.length) {
await this.populateTable(data, reason);
}
this.updateToolbar();
this.emit("store-objects-updated");
} catch (ex) {
console.error(ex);
}
}
/**
* Updates the toolbar hiding and showing buttons as appropriate.
*/
updateToolbar() {
const item = this.tree.selectedItem;
const howManyNodesIn = item ? item.length : 0;
// The first node is just a title e.g. "Cookies" so we need to be at least
// 2 nodes in to show the add button.
const canAdd = this.actorSupportsAddItem && howManyNodesIn > 1;
if (canAdd) {
this._addButton.hidden = false;
this._addButton.setAttribute("tooltiptext",
L10N.getFormatStr("storage.popupMenu.addItemLabel"));
} else {
this._addButton.hidden = true;
this._addButton.removeAttribute("tooltiptext");
}
}
/**
* Populates the storage tree which displays the list of storages present for
* the page.
*
* @param {object} storageTypes
* List of storages and their corresponding hosts returned by the
* StorageFront.listStores call.
*/
populateStorageTree(storageTypes) {
this.storageTypes = {};
for (const type in storageTypes) {
// Ignore `from` field, which is just a protocol.js implementation
// artifact.
if (type === "from") {
continue;
}
let typeLabel = type;
try {
typeLabel = L10N.getStr("tree.labels." + type);
} catch (e) {
console.error("Unable to localize tree label type:" + type);
}
this.tree.add([{id: type, label: typeLabel, type: "store"}]);
if (!storageTypes[type].hosts) {
continue;
}
this.storageTypes[type] = storageTypes[type];
for (const host in storageTypes[type].hosts) {
const label = this.getReadableLabelFromHostname(host);
this.tree.add([type, {id: host, label: label, type: "url"}]);
for (const name of storageTypes[type].hosts[host]) {
try {
const names = JSON.parse(name);
this.tree.add([type, host, ...names]);
if (!this.tree.selectedItem) {
this.tree.selectedItem = [type, host, names[0], names[1]];
}
} catch (ex) {
// Do Nothing
}
}
if (!this.tree.selectedItem) {
this.tree.selectedItem = [type, host];
}
}
}
}
/**
* Populates the selected entry from the table in the sidebar for a more
* detailed view.
*/
async updateObjectSidebar() {
const item = this.table.selectedRow;
let value;
// Get the string value (async action) and the update the UI synchronously.
if (item && item.name && item.valueActor) {
value = await item.valueActor.string();
}
// Bail if the selectedRow is no longer selected, the item doesn't exist or the state
// changed in another way during the above yield.
if (this.table.items.size === 0 ||
!item ||
!this.table.selectedRow ||
item.uniqueKey !== this.table.selectedRow.uniqueKey) {
this.hideSidebar();
return;
}
// Start updating the UI. Everything is sync beyond this point.
if (this.sidebarToggledOpen === null || this.sidebarToggledOpen === true) {
this.sidebar.hidden = false;
}
this.updateSidebarToggleButton();
this.view.empty();
const mainScope = this.view.addScope(L10N.getStr("storage.data.label"));
mainScope.expanded = true;
if (value) {
const itemVar = mainScope.addItem(item.name + "", {}, {relaxed: true});
// The main area where the value will be displayed
itemVar.setGrip(value);
// May be the item value is a json or a key value pair itself
this.parseItemValue(item.name, value);
// By default the item name and value are shown. If this is the only
// information available, then nothing else is to be displayed.
const itemProps = Object.keys(item);
if (itemProps.length > 3) {
// Display any other information other than the item name and value
// which may be available.
const rawObject = Object.create(null);
const otherProps = itemProps.filter(
e => !["name", "value", "valueActor"].includes(e));
for (const prop of otherProps) {
const column = this.table.columns.get(prop);
if (column && column.private) {
continue;
}
const cookieProp = COOKIE_KEY_MAP[prop] || prop;
// The pseduo property of HostOnly refers to converse of isDomain property
rawObject[cookieProp] = (prop === "isDomain") ? !item[prop] : item[prop];
}
itemVar.populate(rawObject, {sorted: true});
itemVar.twisty = true;
itemVar.expanded = true;
}
} else {
// Case when displaying IndexedDB db/object store properties.
for (const key in item) {
const column = this.table.columns.get(key);
if (column && column.private) {
continue;
}
mainScope.addItem(key, {}, true).setGrip(item[key]);
this.parseItemValue(key, item[key]);
}
}
this.emit("sidebar-updated");
}
/**
* Gets a readable label from the hostname. If the hostname is a Punycode
* domain(I.e. an ASCII domain name representing a Unicode domain name), then
* this function decodes it to the readable Unicode domain name, and label
* the Unicode domain name toggether with the original domian name, and then
* return the label; if the hostname isn't a Punycode domain(I.e. it isn't
* encoded and is readable on its own), then this function simply returns the
* original hostname.
*
* @param {string} host
* The string representing a host, e.g, example.com, example.com:8000
*/
getReadableLabelFromHostname(host) {
try {
const { hostname } = new URL(host);
const unicodeHostname = getUnicodeHostname(hostname);
if (hostname !== unicodeHostname) {
// If the hostname is a Punycode domain representing a Unicode domain,
// we decode it to the Unicode domain name, and then label the Unicode
// domain name together with the original domain name.
return host.replace(hostname, unicodeHostname) + " [ " + host + " ]";
}
} catch (_) {
// Skip decoding for a host which doesn't include a domain name, simply
// consider them to be readable.
}
return host;
}
/**
* Tries to parse a string value into either a json or a key-value separated
* object and populates the sidebar with the parsed value. The value can also
* be a key separated array.
*
* @param {string} name
* The key corresponding to the `value` string in the object
* @param {string} originalValue
* The string to be parsed into an object
*/
parseItemValue(name, originalValue) {
// Find if value is URLEncoded ie
let decodedValue = "";
try {
decodedValue = decodeURIComponent(originalValue);
} catch (e) {
// Unable to decode, nothing to do
}
const value = (decodedValue && decodedValue !== originalValue)
? decodedValue : originalValue;
let json = null;
try {
json = JSOL.parse(value);
} catch (ex) {
json = null;
}
if (!json && value) {
json = this._extractKeyValPairs(value);
}
// return if json is null, or same as value, or just a string.
if (!json || json == value || typeof json == "string") {
return;
}
// One special case is a url which gets separated as key value pair on :
if ((json.length == 2 || Object.keys(json).length == 1) &&
((json[0] || Object.keys(json)[0]) + "").match(/^(http|file|ftp)/)) {
return;
}
const jsonObject = Object.create(null);
const view = this.view;
jsonObject[name] = json;
const valueScope = view.getScopeAtIndex(1) ||
view.addScope(L10N.getStr("storage.parsedValue.label"));
valueScope.expanded = true;
const jsonVar = valueScope.addItem("", Object.create(null), {relaxed: true});
jsonVar.expanded = true;
jsonVar.twisty = true;
jsonVar.populate(jsonObject, {expanded: true});
}
/**
* Tries to parse a string into an object on the basis of key-value pairs,
* separated by various separators. If failed, tries to parse for single
* separator separated values to form an array.
*
* @param {string} value
* The string to be parsed into an object or array
*/
_extractKeyValPairs(value) {
const makeObject = (keySep, pairSep) => {
const object = {};
for (const pair of value.split(pairSep)) {
const [key, val] = pair.split(keySep);
object[key] = val;
}
return object;
};
// Possible separators.
const separators = ["=", ":", "~", "#", "&", "\\*", ",", "\\."];
// Testing for object
for (let i = 0; i < separators.length; i++) {
const kv = separators[i];
for (let j = 0; j < separators.length; j++) {
if (i == j) {
continue;
}
const p = separators[j];
const word = `[^${kv}${p}]*`;
const keyValue = `${word}${kv}${word}`;
const keyValueList = `${keyValue}(${p}${keyValue})*`;
const regex = new RegExp(`^${keyValueList}$`);
if (value.match && value.match(regex) && value.includes(kv) &&
(value.includes(p) || value.split(kv).length == 2)) {
return makeObject(kv, p);
}
}
}
// Testing for array
for (const p of separators) {
const word = `[^${p}]*`;
const wordList = `(${word}${p})+${word}`;
const regex = new RegExp(`^${wordList}$`);
if (value.match && value.match(regex)) {
return value.split(p.replace(/\\*/g, ""));
}
}
return null;
}
/**
* Select handler for the storage tree. Fetches details of the selected item
* from the storage details and populates the storage tree.
*
* @param {array} item
* An array of ids which represent the location of the selected item in
* the storage tree
*/
async onHostSelect(item) {
if (!item) {
return;
}
this.table.clear();
this.hideSidebar();
this.searchBox.value = "";
const [type, host] = item;
this.table.host = host;
this.table.datatype = type;
this.updateToolbar();
let names = null;
if (!host) {
return;
}
if (item.length > 2) {
names = [JSON.stringify(item.slice(2))];
}
await this.fetchStorageObjects(type, host, names, REASON.POPULATE);
this.itemOffset = 0;
}
/**
* Resets the column headers in the storage table with the pased object `data`
*
* @param {string} type
* The type of storage corresponding to the after-reset columns in the
* table.
* @param {string} host
* The host name corresponding to the table after reset.
*
* @param {string} [subType]
* The sub type under the given type.
*/
async resetColumns(type, host, subtype) {
this.table.host = host;
this.table.datatype = type;
let uniqueKey = null;
const columns = {};
const editableFields = [];
const hiddenFields = [];
const privateFields = [];
const fields = await this.getCurrentFront().getFields(subtype);
fields.forEach(f => {
if (!uniqueKey) {
this.table.uniqueId = uniqueKey = f.name;
}
if (f.editable) {
editableFields.push(f.name);
}
if (f.hidden) {
hiddenFields.push(f.name);
}
if (f.private) {
privateFields.push(f.name);
}
columns[f.name] = f.name;
let columnName;
try {
// Path key names for l10n in the case of a string change.
const name = f.name === "keyPath" ? "keyPath2" : f.name;
columnName = L10N.getStr("table.headers." + type + "." + name);
} catch (e) {
columnName = COOKIE_KEY_MAP[f.name];
}
if (!columnName) {
console.error("Unable to localize table header type:" + type + " key:" + f.name);
} else {
columns[f.name] = columnName;
}
});
this.table.setColumns(columns, null, hiddenFields, privateFields);
this.hideSidebar();
this.makeFieldsEditable(editableFields);
}
/**
* Populates or updates the rows in the storage table.
*
* @param {array[object]} data
* Array of objects to be populated in the storage table
* @param {Constant} reason
* See REASON constant at top of file.
*/
async populateTable(data, reason) {
for (const item of data) {
if (item.value) {
item.valueActor = item.value;
item.value = item.value.initial || "";
}
if (item.expires != null) {
item.expires = item.expires
? new Date(item.expires).toUTCString()
: L10N.getStr("label.expires.session");
}
if (item.creationTime != null) {
item.creationTime = new Date(item.creationTime).toUTCString();
}
if (item.lastAccessed != null) {
item.lastAccessed = new Date(item.lastAccessed).toUTCString();
}
switch (reason) {
case REASON.POPULATE:
case REASON.NEXT_50_ITEMS:
// Update without flashing the row.
this.table.push(item, true);
break;
case REASON.NEW_ROW:
// Update and flash the row.
this.table.push(item, false);
break;
case REASON.UPDATE:
this.table.update(item);
if (item == this.table.selectedRow && !this.sidebar.hidden) {
await this.updateObjectSidebar();
}
break;
}
this.shouldLoadMoreItems = true;
}
}
/**
* Handles keypress event on the body table to close the sidebar when open
*
* @param {DOMEvent} event
* The event passed by the keypress event.
*/
handleKeypress(event) {
if (event.keyCode == KeyCodes.DOM_VK_ESCAPE && !this.sidebar.hidden) {
// Stop Propagation to prevent opening up of split console
this.hideSidebar();
this.sidebarToggledOpen = false;
event.stopPropagation();
event.preventDefault();
}
}
/**
* Handles filtering the table
*/
filterItems() {
const value = this.searchBox.value;
this.table.filterItems(value, ["valueActor"]);
this._panelDoc.documentElement.classList.toggle("filtering", !!value);
}
/**
* Handles endless scrolling for the table
*/
async handleScrollEnd() {
if (!this.shouldLoadMoreItems) {
return;
}
this.shouldLoadMoreItems = false;
this.itemOffset += 50;
const item = this.tree.selectedItem;
const [type, host] = item;
let names = null;
if (item.length > 2) {
names = [JSON.stringify(item.slice(2))];
}
await this.fetchStorageObjects(type, host, names, REASON.NEXT_50_ITEMS);
}
/**
* Fires before a cell context menu with the "Add" or "Delete" action is
* shown. If the currently selected storage object doesn't support adding or
* removing items, prevent showing the menu.
*/
onTablePopupShowing(event) {
const selectedItem = this.tree.selectedItem;
const type = selectedItem[0];
// IndexedDB only supports removing items from object stores (level 4 of the tree)
if ((!this.actorSupportsAddItem && !this.actorSupportsRemoveItem &&
type !== "cookies") ||
(type === "indexedDB" && selectedItem.length !== 4)) {
event.preventDefault();
return;
}
const rowId = this.table.contextMenuRowId;
const data = this.table.items.get(rowId);
if (this.actorSupportsRemoveItem) {
const name = data[this.table.uniqueId];
const separatorRegex = new RegExp(SEPARATOR_GUID, "g");
const label = addEllipsis((name + "").replace(separatorRegex, "-"));
this._tablePopupDelete.hidden = false;
this._tablePopupDelete.setAttribute("label",
L10N.getFormatStr("storage.popupMenu.deleteLabel", label));
} else {
this._tablePopupDelete.hidden = true;
}
if (this.actorSupportsAddItem) {
this._tablePopupAddItem.hidden = false;
this._tablePopupAddItem.setAttribute("label",
L10N.getFormatStr("storage.popupMenu.addItemLabel"));
} else {
this._tablePopupAddItem.hidden = true;
}
let showDeleteAllSessionCookies = false;
if (this.actorSupportsRemoveAllSessionCookies) {
if (type === "cookies" && selectedItem.length === 2) {
showDeleteAllSessionCookies = true;
}
}
this._tablePopupDeleteAllSessionCookies.hidden = !showDeleteAllSessionCookies;
if (type === "cookies") {
const host = addEllipsis(data.host);
this._tablePopupDeleteAllFrom.hidden = false;
this._tablePopupDeleteAllFrom.setAttribute("label",
L10N.getFormatStr("storage.popupMenu.deleteAllFromLabel", host));
} else {
this._tablePopupDeleteAllFrom.hidden = true;
}
}
onTreePopupShowing(event) {
let showMenu = false;
const selectedItem = this.tree.selectedItem;
if (selectedItem) {
const type = selectedItem[0];
// The delete all (aka clear) action is displayed for IndexedDB object stores
// (level 4 of tree), for Cache objects (level 3) and for the whole host (level 2)
// for other storage types (cookies, localStorage, ...).
let showDeleteAll = false;
if (this.actorSupportsRemoveAll) {
let level;
if (type == "indexedDB") {
level = 4;
} else if (type == "Cache") {
level = 3;
} else {
level = 2;
}
if (selectedItem.length == level) {
showDeleteAll = true;
}
}
this._treePopupDeleteAll.hidden = !showDeleteAll;
// The delete all session cookies action is displayed for cookie object stores
// (level 2 of tree)
let showDeleteAllSessionCookies = false;
if (this.actorSupportsRemoveAllSessionCookies) {
if (type === "cookies" && selectedItem.length === 2) {
showDeleteAllSessionCookies = true;
}
}
this._treePopupDeleteAllSessionCookies.hidden = !showDeleteAllSessionCookies;
// The delete action is displayed for:
// - IndexedDB databases (level 3 of the tree)
// - Cache objects (level 3 of the tree)
const showDelete = (type == "indexedDB" || type == "Cache") &&
selectedItem.length == 3;
this._treePopupDelete.hidden = !showDelete;
if (showDelete) {
const itemName = addEllipsis(selectedItem[selectedItem.length - 1]);
this._treePopupDelete.setAttribute("label",
L10N.getFormatStr("storage.popupMenu.deleteLabel", itemName));
}
showMenu = showDeleteAll || showDelete;
}
if (!showMenu) {
event.preventDefault();
}
}
/**
* Handles refreshing the selected storage
*/
async onRefreshTable() {
await this.onHostSelect(this.tree.selectedItem);
}
/**
* Handles adding an item from the storage
*/
onAddItem() {
const selectedItem = this.tree.selectedItem;
if (!selectedItem) {
return;
}
const front = this.getCurrentFront();
const [, host] = selectedItem;
// Prepare to scroll into view.
this.table.scrollIntoViewOnUpdate = true;
this.table.editBookmark = createGUID();
front.addItem(this.table.editBookmark, host);
}
/**
* Handles removing an item from the storage
*/
onRemoveItem() {
const [, host, ...path] = this.tree.selectedItem;
const front = this.getCurrentFront();
const rowId = this.table.contextMenuRowId;
const data = this.table.items.get(rowId);
let name = data[this.table.uniqueId];
if (path.length > 0) {
name = JSON.stringify([...path, name]);
}
front.removeItem(host, name);
}
/**
* Handles removing all items from the storage
*/
onRemoveAll() {
// Cannot use this.currentActor() if the handler is called from the
// tree context menu: it returns correct value only after the table
// data from server are successfully fetched (and that's async).
const [, host, ...path] = this.tree.selectedItem;
const front = this.getCurrentFront();
const name = path.length > 0 ? JSON.stringify(path) : undefined;
front.removeAll(host, name);
}
/**
* Handles removing all session cookies from the storage
*/
onRemoveAllSessionCookies() {
// Cannot use this.currentActor() if the handler is called from the
// tree context menu: it returns the correct value only after the
// table data from server is successfully fetched (and that's async).
const [, host, ...path] = this.tree.selectedItem;
const front = this.getCurrentFront();
const name = path.length > 0 ? JSON.stringify(path) : undefined;
front.removeAllSessionCookies(host, name);
}
/**
* Handles removing all cookies with exactly the same domain as the
* cookie in the selected row.
*/
onRemoveAllFrom() {
const [, host] = this.tree.selectedItem;
const front = this.getCurrentFront();
const rowId = this.table.contextMenuRowId;
const data = this.table.items.get(rowId);
front.removeAll(host, data.host);
}
onRemoveTreeItem() {
const [type, host, ...path] = this.tree.selectedItem;
if (type == "indexedDB" && path.length == 1) {
this.removeDatabase(host, path[0]);
} else if (type == "Cache" && path.length == 1) {
this.removeCache(host, path[0]);
}
}
removeDatabase(host, dbName) {
const front = this.getCurrentFront();
front.removeDatabase(host, dbName).then(result => {
if (result.blocked) {
const notificationBox = this._toolbox.getNotificationBox();
notificationBox.appendNotification(
L10N.getFormatStr("storage.idb.deleteBlocked", dbName),
"storage-idb-delete-blocked",
null,
notificationBox.PRIORITY_WARNING_LOW);
}
}).catch(error => {
const notificationBox = this._toolbox.getNotificationBox();
notificationBox.appendNotification(
L10N.getFormatStr("storage.idb.deleteError", dbName),
"storage-idb-delete-error",
null,
notificationBox.PRIORITY_CRITICAL_LOW);
});
}
removeCache(host, cacheName) {
const front = this.getCurrentFront();
front.removeItem(host, JSON.stringify([ cacheName ]));
}
}
exports.StorageUI = StorageUI;
// Helper Functions
function createGUID() {
return "{cccccccc-cccc-4ccc-yccc-cccccccccccc}".replace(/[cy]/g, c => {
const r = Math.random() * 16 | 0;
const v = c == "c" ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
function addEllipsis(name) {
if (name.length > ITEM_NAME_MAX_LENGTH) {
if (/^https?:/.test(name)) {
// For URLs, add ellipsis in the middle
const halfLen = ITEM_NAME_MAX_LENGTH / 2;
return name.slice(0, halfLen) + ELLIPSIS + name.slice(-halfLen);
}
// For other strings, add ellipsis at the end
return name.substr(0, ITEM_NAME_MAX_LENGTH) + ELLIPSIS;
}
return name;
}