diff options
Diffstat (limited to 'toolkit/components/formautofill/AutofillProfileAutoComplete.sys.mjs')
| -rw-r--r-- | toolkit/components/formautofill/AutofillProfileAutoComplete.sys.mjs | 417 |
1 files changed, 417 insertions, 0 deletions
diff --git a/toolkit/components/formautofill/AutofillProfileAutoComplete.sys.mjs b/toolkit/components/formautofill/AutofillProfileAutoComplete.sys.mjs new file mode 100644 index 0000000000..a8955b5fc2 --- /dev/null +++ b/toolkit/components/formautofill/AutofillProfileAutoComplete.sys.mjs @@ -0,0 +1,417 @@ +/* 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/. */ + +/** + * Form Autofill content process module. + */ + +/* eslint-disable no-use-before-define */ + +const Cm = Components.manager; + +import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs"; + +const lazy = {}; + +ChromeUtils.defineESModuleGetters(lazy, { + AddressResult: "resource://autofill/ProfileAutoCompleteResult.sys.mjs", + ComponentUtils: "resource://gre/modules/ComponentUtils.sys.mjs", + CreditCardResult: "resource://autofill/ProfileAutoCompleteResult.sys.mjs", + FormAutofill: "resource://autofill/FormAutofill.sys.mjs", + FormAutofillUtils: "resource://gre/modules/shared/FormAutofillUtils.sys.mjs", + FormAutofillContent: "resource://autofill/FormAutofillContent.sys.mjs", + InsecurePasswordUtils: "resource://gre/modules/InsecurePasswordUtils.sys.mjs", +}); + +const autocompleteController = Cc[ + "@mozilla.org/autocomplete/controller;1" +].getService(Ci.nsIAutoCompleteController); + +XPCOMUtils.defineLazyGetter( + lazy, + "ADDRESSES_COLLECTION_NAME", + () => lazy.FormAutofillUtils.ADDRESSES_COLLECTION_NAME +); +XPCOMUtils.defineLazyGetter( + lazy, + "CREDITCARDS_COLLECTION_NAME", + () => lazy.FormAutofillUtils.CREDITCARDS_COLLECTION_NAME +); +XPCOMUtils.defineLazyGetter( + lazy, + "FIELD_STATES", + () => lazy.FormAutofillUtils.FIELD_STATES +); + +function getActorFromWindow(contentWindow, name = "FormAutofill") { + // In unit tests, contentWindow isn't a real window. + if (!contentWindow) { + return null; + } + + return contentWindow.windowGlobalChild + ? contentWindow.windowGlobalChild.getActor(name) + : null; +} + +// Register/unregister a constructor as a factory. +function AutocompleteFactory() {} +AutocompleteFactory.prototype = { + register(targetConstructor) { + let proto = targetConstructor.prototype; + this._classID = proto.classID; + + let factory = + lazy.ComponentUtils.generateSingletonFactory(targetConstructor); + this._factory = factory; + + let registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar); + registrar.registerFactory( + proto.classID, + proto.classDescription, + proto.contractID, + factory + ); + + if (proto.classID2) { + this._classID2 = proto.classID2; + registrar.registerFactory( + proto.classID2, + proto.classDescription, + proto.contractID2, + factory + ); + } + }, + + unregister() { + let registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar); + registrar.unregisterFactory(this._classID, this._factory); + if (this._classID2) { + registrar.unregisterFactory(this._classID2, this._factory); + } + this._factory = null; + }, +}; + +/** + * @class + * + * @implements {nsIAutoCompleteSearch} + */ +function AutofillProfileAutoCompleteSearch() { + this.log = lazy.FormAutofill.defineLogGetter( + this, + "AutofillProfileAutoCompleteSearch" + ); +} +AutofillProfileAutoCompleteSearch.prototype = { + classID: Components.ID("4f9f1e4c-7f2c-439e-9c9e-566b68bc187d"), + contractID: "@mozilla.org/autocomplete/search;1?name=autofill-profiles", + classDescription: "AutofillProfileAutoCompleteSearch", + QueryInterface: ChromeUtils.generateQI(["nsIAutoCompleteSearch"]), + + // Begin nsIAutoCompleteSearch implementation + + /** + * Searches for a given string and notifies a listener (either synchronously + * or asynchronously) of the result + * + * @param {string} searchString the string to search for + * @param {string} searchParam + * @param {object} previousResult a previous result to use for faster searchinig + * @param {object} listener the listener to notify when the search is complete + */ + startSearch(searchString, searchParam, previousResult, listener) { + let { + activeInput, + activeSection, + activeFieldDetail, + activeHandler, + savedFieldNames, + } = lazy.FormAutofillContent; + this.forceStop = false; + + let isAddressField = lazy.FormAutofillUtils.isAddressField( + activeFieldDetail.fieldName + ); + const isCreditCardField = lazy.FormAutofillUtils.isCreditCardField( + activeFieldDetail.fieldName + ); + let isInputAutofilled = + activeHandler.getFilledStateByElement(activeInput) == + lazy.FIELD_STATES.AUTO_FILLED; + let allFieldNames = activeSection.allFieldNames; + let filledRecordGUID = activeSection.filledRecordGUID; + + let searchPermitted = isAddressField + ? lazy.FormAutofill.isAutofillAddressesEnabled + : lazy.FormAutofill.isAutofillCreditCardsEnabled; + let AutocompleteResult = isAddressField + ? lazy.AddressResult + : lazy.CreditCardResult; + let isFormAutofillSearch = true; + let pendingSearchResult = null; + + ProfileAutocomplete.lastProfileAutoCompleteFocusedInput = activeInput; + // Fallback to form-history if ... + // - specified autofill feature is pref off. + // - no profile can fill the currently-focused input. + // - the current form has already been populated and the field is not + // an empty credit card field. + // - (address only) less than 3 inputs are covered by all saved fields in the storage. + if ( + !searchPermitted || + !savedFieldNames.has(activeFieldDetail.fieldName) || + (!isInputAutofilled && + filledRecordGUID && + !(isCreditCardField && activeInput.value === "")) || + (isAddressField && + allFieldNames.filter(field => savedFieldNames.has(field)).length < + lazy.FormAutofillUtils.AUTOFILL_FIELDS_THRESHOLD) + ) { + isFormAutofillSearch = false; + if (activeInput.autocomplete == "off") { + // Create a dummy result as an empty search result. + pendingSearchResult = new AutocompleteResult("", "", [], [], {}); + } else { + pendingSearchResult = new Promise(resolve => { + let formHistory = Cc[ + "@mozilla.org/autocomplete/search;1?name=form-history" + ].createInstance(Ci.nsIAutoCompleteSearch); + formHistory.startSearch(searchString, searchParam, previousResult, { + onSearchResult: (_, result) => resolve(result), + }); + }); + } + } else if (isInputAutofilled) { + pendingSearchResult = new AutocompleteResult(searchString, "", [], [], { + isInputAutofilled, + }); + } else { + let infoWithoutElement = { ...activeFieldDetail }; + delete infoWithoutElement.elementWeakRef; + + let data = { + collectionName: isAddressField + ? lazy.ADDRESSES_COLLECTION_NAME + : lazy.CREDITCARDS_COLLECTION_NAME, + info: infoWithoutElement, + searchString, + }; + + pendingSearchResult = this._getRecords(activeInput, data).then( + records => { + if (this.forceStop) { + return null; + } + // Sort addresses by timeLastUsed for showing the lastest used address at top. + records.sort((a, b) => b.timeLastUsed - a.timeLastUsed); + + let adaptedRecords = activeSection.getAdaptedProfiles(records); + let handler = lazy.FormAutofillContent.activeHandler; + let isSecure = lazy.InsecurePasswordUtils.isFormSecure(handler.form); + + return new AutocompleteResult( + searchString, + activeFieldDetail.fieldName, + allFieldNames, + adaptedRecords, + { isSecure, isInputAutofilled } + ); + } + ); + } + + Promise.resolve(pendingSearchResult).then(result => { + if (this.forceStop) { + // If we notify the listener the search result when the search is already + // cancelled, it corrupts the internal state of the listener. So we only + // reset the controller's state in this case. + if (isFormAutofillSearch) { + autocompleteController.resetInternalState(); + } + return; + } + + listener.onSearchResult(this, result); + // Don't save cache results or reset state when returning non-autofill results such as the + // form history fallback above. + if (isFormAutofillSearch) { + ProfileAutocomplete.lastProfileAutoCompleteResult = result; + // Reset AutoCompleteController's state at the end of startSearch to ensure that + // none of form autofill result will be cached in other places and make the + // result out of sync. + autocompleteController.resetInternalState(); + } else { + // Clear the cache so that we don't try to autofill from it after falling + // back to form history. + ProfileAutocomplete.lastProfileAutoCompleteResult = null; + } + }); + }, + + /** + * Stops an asynchronous search that is in progress + */ + stopSearch() { + ProfileAutocomplete.lastProfileAutoCompleteResult = null; + this.forceStop = true; + }, + + /** + * Get the records from parent process for AutoComplete result. + * + * @private + * @param {object} input + * Input element for autocomplete. + * @param {object} data + * Parameters for querying the corresponding result. + * @param {string} data.collectionName + * The name used to specify which collection to retrieve records. + * @param {string} data.searchString + * The typed string for filtering out the matched records. + * @param {string} data.info + * The input autocomplete property's information. + * @returns {Promise} + * Promise that resolves when addresses returned from parent process. + */ + _getRecords(input, data) { + if (!input) { + return []; + } + + let actor = getActorFromWindow(input.ownerGlobal); + return actor.sendQuery("FormAutofill:GetRecords", data); + }, +}; + +export const ProfileAutocomplete = { + QueryInterface: ChromeUtils.generateQI(["nsIObserver"]), + + lastProfileAutoCompleteResult: null, + lastProfileAutoCompleteFocusedInput: null, + _registered: false, + _factory: null, + + ensureRegistered() { + if (this._registered) { + return; + } + + this.log = lazy.FormAutofill.defineLogGetter(this, "ProfileAutocomplete"); + this.debug("ensureRegistered"); + this._factory = new AutocompleteFactory(); + this._factory.register(AutofillProfileAutoCompleteSearch); + this._registered = true; + + Services.obs.addObserver(this, "autocomplete-will-enter-text"); + + this.debug( + "ensureRegistered. Finished with _registered:", + this._registered + ); + }, + + ensureUnregistered() { + if (!this._registered) { + return; + } + + this.debug("ensureUnregistered"); + this._factory.unregister(); + this._factory = null; + this._registered = false; + this._lastAutoCompleteResult = null; + + Services.obs.removeObserver(this, "autocomplete-will-enter-text"); + }, + + async observe(subject, topic, data) { + switch (topic) { + case "autocomplete-will-enter-text": { + if (!lazy.FormAutofillContent.activeInput) { + // The observer notification is for autocomplete in a different process. + break; + } + lazy.FormAutofillContent.autofillPending = true; + Services.obs.notifyObservers(null, "autofill-fill-starting"); + await this._fillFromAutocompleteRow( + lazy.FormAutofillContent.activeInput + ); + Services.obs.notifyObservers(null, "autofill-fill-complete"); + lazy.FormAutofillContent.autofillPending = false; + break; + } + } + }, + + _getSelectedIndex(contentWindow) { + let actor = getActorFromWindow(contentWindow, "AutoComplete"); + if (!actor) { + throw new Error("Invalid autocomplete selectedIndex"); + } + + return actor.selectedIndex; + }, + + async _fillFromAutocompleteRow(focusedInput) { + this.debug("_fillFromAutocompleteRow:", focusedInput); + let formDetails = lazy.FormAutofillContent.activeFormDetails; + if (!formDetails) { + // The observer notification is for a different frame. + return; + } + + let selectedIndex = this._getSelectedIndex(focusedInput.ownerGlobal); + if ( + selectedIndex == -1 || + !this.lastProfileAutoCompleteResult || + this.lastProfileAutoCompleteResult.getStyleAt(selectedIndex) != + "autofill-profile" + ) { + return; + } + + let profile = JSON.parse( + this.lastProfileAutoCompleteResult.getCommentAt(selectedIndex) + ); + + await lazy.FormAutofillContent.activeHandler.autofillFormFields(profile); + }, + + _clearProfilePreview() { + if ( + !this.lastProfileAutoCompleteFocusedInput || + !lazy.FormAutofillContent.activeSection + ) { + return; + } + + lazy.FormAutofillContent.activeSection.clearPreviewedFormFields(); + }, + + _previewSelectedProfile(selectedIndex) { + if ( + !lazy.FormAutofillContent.activeInput || + !lazy.FormAutofillContent.activeFormDetails + ) { + // The observer notification is for a different process/frame. + return; + } + + if ( + !this.lastProfileAutoCompleteResult || + this.lastProfileAutoCompleteResult.getStyleAt(selectedIndex) != + "autofill-profile" + ) { + return; + } + + let profile = JSON.parse( + this.lastProfileAutoCompleteResult.getCommentAt(selectedIndex) + ); + lazy.FormAutofillContent.activeSection.previewFormFields(profile); + }, +}; |