diff options
Diffstat (limited to 'browser/components/preferences/permissions.js')
| -rw-r--r-- | browser/components/preferences/permissions.js | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/browser/components/preferences/permissions.js b/browser/components/preferences/permissions.js new file mode 100644 index 000000000..4944f79a4 --- /dev/null +++ b/browser/components/preferences/permissions.js @@ -0,0 +1,462 @@ +/* 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/. */ + +Components.utils.import("resource://gre/modules/Services.jsm"); + +const nsIPermissionManager = Components.interfaces.nsIPermissionManager; +const nsICookiePermission = Components.interfaces.nsICookiePermission; + +const NOTIFICATION_FLUSH_PERMISSIONS = "flush-pending-permissions"; + +function Permission(principal, type, capability) +{ + this.principal = principal; + this.origin = principal.origin; + this.type = type; + this.capability = capability; +} + +var gPermissionManager = { + _type : "", + _permissions : [], + _permissionsToAdd : new Map(), + _permissionsToDelete : new Map(), + _bundle : null, + _tree : null, + _observerRemoved : false, + + _view: { + _rowCount: 0, + get rowCount() + { + return this._rowCount; + }, + getCellText: function (aRow, aColumn) + { + if (aColumn.id == "siteCol") + return gPermissionManager._permissions[aRow].origin; + else if (aColumn.id == "statusCol") + return gPermissionManager._permissions[aRow].capability; + return ""; + }, + + isSeparator: function(aIndex) { return false; }, + isSorted: function() { return false; }, + isContainer: function(aIndex) { return false; }, + setTree: function(aTree) {}, + getImageSrc: function(aRow, aColumn) {}, + getProgressMode: function(aRow, aColumn) {}, + getCellValue: function(aRow, aColumn) {}, + cycleHeader: function(column) {}, + getRowProperties: function(row) { return ""; }, + getColumnProperties: function(column) { return ""; }, + getCellProperties: function(row, column) { + if (column.element.getAttribute("id") == "siteCol") + return "ltr"; + + return ""; + } + }, + + _getCapabilityString: function (aCapability) + { + var stringKey = null; + switch (aCapability) { + case nsIPermissionManager.ALLOW_ACTION: + stringKey = "can"; + break; + case nsIPermissionManager.DENY_ACTION: + stringKey = "cannot"; + break; + case nsICookiePermission.ACCESS_ALLOW_FIRST_PARTY_ONLY: + stringKey = "canAccessFirstParty"; + break; + case nsICookiePermission.ACCESS_SESSION: + stringKey = "canSession"; + break; + } + return this._bundle.getString(stringKey); + }, + + addPermission: function (aCapability) + { + var textbox = document.getElementById("url"); + var input_url = textbox.value.replace(/^\s*/, ""); // trim any leading space + let principal; + try { + // The origin accessor on the principal object will throw if the + // principal doesn't have a canonical origin representation. This will + // help catch cases where the URI parser parsed something like + // `localhost:8080` as having the scheme `localhost`, rather than being + // an invalid URI. A canonical origin representation is required by the + // permission manager for storage, so this won't prevent any valid + // permissions from being entered by the user. + let uri; + try { + uri = Services.io.newURI(input_url, null, null); + principal = Services.scriptSecurityManager.createCodebasePrincipal(uri, {}); + // If we have ended up with an unknown scheme, the following will throw. + principal.origin; + } catch (ex) { + uri = Services.io.newURI("http://" + input_url, null, null); + principal = Services.scriptSecurityManager.createCodebasePrincipal(uri, {}); + // If we have ended up with an unknown scheme, the following will throw. + principal.origin; + } + } catch (ex) { + var message = this._bundle.getString("invalidURI"); + var title = this._bundle.getString("invalidURITitle"); + Services.prompt.alert(window, title, message); + return; + } + + var capabilityString = this._getCapabilityString(aCapability); + + // check whether the permission already exists, if not, add it + let permissionExists = false; + let capabilityExists = false; + for (var i = 0; i < this._permissions.length; ++i) { + if (this._permissions[i].principal.equals(principal)) { + permissionExists = true; + capabilityExists = this._permissions[i].capability == capabilityString; + if (!capabilityExists) { + this._permissions[i].capability = capabilityString; + } + break; + } + } + + let permissionParams = {principal: principal, type: this._type, capability: aCapability}; + if (!permissionExists) { + this._permissionsToAdd.set(principal.origin, permissionParams); + this._addPermission(permissionParams); + } + else if (!capabilityExists) { + this._permissionsToAdd.set(principal.origin, permissionParams); + this._handleCapabilityChange(); + } + + textbox.value = ""; + textbox.focus(); + + // covers a case where the site exists already, so the buttons don't disable + this.onHostInput(textbox); + + // enable "remove all" button as needed + document.getElementById("removeAllPermissions").disabled = this._permissions.length == 0; + }, + + _removePermission: function(aPermission) + { + this._removePermissionFromList(aPermission.principal); + + // If this permission was added during this session, let's remove + // it from the pending adds list to prevent calls to the + // permission manager. + let isNewPermission = this._permissionsToAdd.delete(aPermission.principal.origin); + + if (!isNewPermission) { + this._permissionsToDelete.set(aPermission.principal.origin, aPermission); + } + + }, + + _handleCapabilityChange: function () + { + // Re-do the sort, if the status changed from Block to Allow + // or vice versa, since if we're sorted on status, we may no + // longer be in order. + if (this._lastPermissionSortColumn == "statusCol") { + this._resortPermissions(); + } + this._tree.treeBoxObject.invalidate(); + }, + + _addPermission: function(aPermission) + { + this._addPermissionToList(aPermission); + ++this._view._rowCount; + this._tree.treeBoxObject.rowCountChanged(this._view.rowCount - 1, 1); + // Re-do the sort, since we inserted this new item at the end. + this._resortPermissions(); + }, + + _resortPermissions: function() + { + gTreeUtils.sort(this._tree, this._view, this._permissions, + this._lastPermissionSortColumn, + this._permissionsComparator, + this._lastPermissionSortColumn, + !this._lastPermissionSortAscending); // keep sort direction + }, + + onHostInput: function (aSiteField) + { + document.getElementById("btnSession").disabled = !aSiteField.value; + document.getElementById("btnBlock").disabled = !aSiteField.value; + document.getElementById("btnAllow").disabled = !aSiteField.value; + }, + + onWindowKeyPress: function (aEvent) + { + if (aEvent.keyCode == KeyEvent.DOM_VK_ESCAPE) + window.close(); + }, + + onHostKeyPress: function (aEvent) + { + if (aEvent.keyCode == KeyEvent.DOM_VK_RETURN) + document.getElementById("btnAllow").click(); + }, + + onLoad: function () + { + this._bundle = document.getElementById("bundlePreferences"); + var params = window.arguments[0]; + this.init(params); + }, + + init: function (aParams) + { + if (this._type) { + // reusing an open dialog, clear the old observer + this.uninit(); + } + + this._type = aParams.permissionType; + this._manageCapability = aParams.manageCapability; + + var permissionsText = document.getElementById("permissionsText"); + while (permissionsText.hasChildNodes()) + permissionsText.removeChild(permissionsText.firstChild); + permissionsText.appendChild(document.createTextNode(aParams.introText)); + + document.title = aParams.windowTitle; + + document.getElementById("btnBlock").hidden = !aParams.blockVisible; + document.getElementById("btnSession").hidden = !aParams.sessionVisible; + document.getElementById("btnAllow").hidden = !aParams.allowVisible; + + var urlFieldVisible = (aParams.blockVisible || aParams.sessionVisible || aParams.allowVisible); + + var urlField = document.getElementById("url"); + urlField.value = aParams.prefilledHost; + urlField.hidden = !urlFieldVisible; + + this.onHostInput(urlField); + + var urlLabel = document.getElementById("urlLabel"); + urlLabel.hidden = !urlFieldVisible; + + if (aParams.hideStatusColumn) { + document.getElementById("statusCol").hidden = true; + } + + let treecols = document.getElementsByTagName("treecols")[0]; + treecols.addEventListener("click", event => { + if (event.target.nodeName != "treecol" || event.button != 0) { + return; + } + + let sortField = event.target.getAttribute("data-field-name"); + if (!sortField) { + return; + } + + gPermissionManager.onPermissionSort(sortField); + }); + + Services.obs.notifyObservers(null, NOTIFICATION_FLUSH_PERMISSIONS, this._type); + Services.obs.addObserver(this, "perm-changed", false); + + this._loadPermissions(); + + urlField.focus(); + }, + + uninit: function () + { + if (!this._observerRemoved) { + Services.obs.removeObserver(this, "perm-changed"); + + this._observerRemoved = true; + } + }, + + observe: function (aSubject, aTopic, aData) + { + if (aTopic == "perm-changed") { + var permission = aSubject.QueryInterface(Components.interfaces.nsIPermission); + + // Ignore unrelated permission types. + if (permission.type != this._type) + return; + + if (aData == "added") { + this._addPermission(permission); + } + else if (aData == "changed") { + for (var i = 0; i < this._permissions.length; ++i) { + if (permission.matches(this._permissions[i].principal, true)) { + this._permissions[i].capability = this._getCapabilityString(permission.capability); + break; + } + } + this._handleCapabilityChange(); + } + else if (aData == "deleted") { + this._removePermissionFromList(permission.principal); + } + } + }, + + onPermissionSelected: function () + { + var hasSelection = this._tree.view.selection.count > 0; + var hasRows = this._tree.view.rowCount > 0; + document.getElementById("removePermission").disabled = !hasRows || !hasSelection; + document.getElementById("removeAllPermissions").disabled = !hasRows; + }, + + onPermissionDeleted: function () + { + if (!this._view.rowCount) + return; + var removedPermissions = []; + gTreeUtils.deleteSelectedItems(this._tree, this._view, this._permissions, removedPermissions); + for (var i = 0; i < removedPermissions.length; ++i) { + var p = removedPermissions[i]; + this._removePermission(p); + } + document.getElementById("removePermission").disabled = !this._permissions.length; + document.getElementById("removeAllPermissions").disabled = !this._permissions.length; + }, + + onAllPermissionsDeleted: function () + { + if (!this._view.rowCount) + return; + var removedPermissions = []; + gTreeUtils.deleteAll(this._tree, this._view, this._permissions, removedPermissions); + for (var i = 0; i < removedPermissions.length; ++i) { + var p = removedPermissions[i]; + this._removePermission(p); + } + document.getElementById("removePermission").disabled = true; + document.getElementById("removeAllPermissions").disabled = true; + }, + + onPermissionKeyPress: function (aEvent) + { + if (aEvent.keyCode == KeyEvent.DOM_VK_DELETE) { + this.onPermissionDeleted(); + } else if (AppConstants.platform == "macosx" && + aEvent.keyCode == KeyEvent.DOM_VK_BACK_SPACE) { + this.onPermissionDeleted(); + } + }, + + _lastPermissionSortColumn: "", + _lastPermissionSortAscending: false, + _permissionsComparator : function (a, b) + { + return a.toLowerCase().localeCompare(b.toLowerCase()); + }, + + + onPermissionSort: function (aColumn) + { + this._lastPermissionSortAscending = gTreeUtils.sort(this._tree, + this._view, + this._permissions, + aColumn, + this._permissionsComparator, + this._lastPermissionSortColumn, + this._lastPermissionSortAscending); + this._lastPermissionSortColumn = aColumn; + }, + + onApplyChanges: function() + { + // Stop observing permission changes since we are about + // to write out the pending adds/deletes and don't need + // to update the UI + this.uninit(); + + for (let permissionParams of this._permissionsToAdd.values()) { + Services.perms.addFromPrincipal(permissionParams.principal, permissionParams.type, permissionParams.capability); + } + + for (let p of this._permissionsToDelete.values()) { + Services.perms.removeFromPrincipal(p.principal, p.type); + } + + window.close(); + }, + + _loadPermissions: function () + { + this._tree = document.getElementById("permissionsTree"); + this._permissions = []; + + // load permissions into a table + var enumerator = Services.perms.enumerator; + while (enumerator.hasMoreElements()) { + var nextPermission = enumerator.getNext().QueryInterface(Components.interfaces.nsIPermission); + this._addPermissionToList(nextPermission); + } + + this._view._rowCount = this._permissions.length; + + // sort and display the table + this._tree.view = this._view; + this.onPermissionSort("origin"); + + // disable "remove all" button if there are none + document.getElementById("removeAllPermissions").disabled = this._permissions.length == 0; + }, + + _addPermissionToList: function (aPermission) + { + if (aPermission.type == this._type && + (!this._manageCapability || + (aPermission.capability == this._manageCapability))) { + + var principal = aPermission.principal; + var capabilityString = this._getCapabilityString(aPermission.capability); + var p = new Permission(principal, + aPermission.type, + capabilityString); + this._permissions.push(p); + } + }, + + _removePermissionFromList: function (aPrincipal) + { + for (let i = 0; i < this._permissions.length; ++i) { + if (this._permissions[i].principal.equals(aPrincipal)) { + this._permissions.splice(i, 1); + this._view._rowCount--; + this._tree.treeBoxObject.rowCountChanged(this._view.rowCount - 1, -1); + this._tree.treeBoxObject.invalidate(); + break; + } + } + }, + + setOrigin: function (aOrigin) + { + document.getElementById("url").value = aOrigin; + } +}; + +function setOrigin(aOrigin) +{ + gPermissionManager.setOrigin(aOrigin); +} + +function initWithParams(aParams) +{ + gPermissionManager.init(aParams); +} |