tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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GeckoViewAutofill.sys.mjs (3070B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
      3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 const lazy = {};
      6 
      7 import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
      8 
      9 ChromeUtils.defineESModuleGetters(lazy, {
     10  FormAutofillUtils: "resource://gre/modules/shared/FormAutofillUtils.sys.mjs",
     11 });
     12 
     13 class Autofill {
     14  constructor(sessionId, eventDispatcher) {
     15    this.eventDispatcher = eventDispatcher;
     16    this.sessionId = sessionId;
     17  }
     18 
     19  start() {
     20    this.eventDispatcher.sendRequest({
     21      type: "GeckoView:StartAutofill",
     22      sessionId: this.sessionId,
     23    });
     24  }
     25 
     26  add(node) {
     27    return this.eventDispatcher.sendRequestForResult({
     28      type: "GeckoView:AddAutofill",
     29      node,
     30    });
     31  }
     32 
     33  focus(node) {
     34    this.eventDispatcher.sendRequest({
     35      type: "GeckoView:OnAutofillFocus",
     36      node,
     37    });
     38  }
     39 
     40  update(node) {
     41    this.eventDispatcher.sendRequest({
     42      type: "GeckoView:UpdateAutofill",
     43      node,
     44    });
     45  }
     46 
     47  commit(node) {
     48    this.eventDispatcher.sendRequest({
     49      type: "GeckoView:CommitAutofill",
     50      node,
     51    });
     52  }
     53 
     54  clear() {
     55    this.eventDispatcher.sendRequest({
     56      type: "GeckoView:ClearAutofill",
     57    });
     58  }
     59 }
     60 
     61 class AutofillManager {
     62  sessions = new Set();
     63  autofill = null;
     64 
     65  ensure(sessionId, eventDispatcher) {
     66    if (!this.sessions.has(sessionId)) {
     67      this.autofill = new Autofill(sessionId, eventDispatcher);
     68      this.sessions.add(sessionId);
     69      this.autofill.start();
     70    }
     71    // This could be called for an outdated session, in which case we will just
     72    // ignore the autofill call.
     73    if (sessionId !== this.autofill.sessionId) {
     74      return null;
     75    }
     76    return this.autofill;
     77  }
     78 
     79  get(sessionId) {
     80    if (!this.autofill || sessionId !== this.autofill.sessionId) {
     81      warn`Disregarding old session ${sessionId}`;
     82      // We disregard old sessions
     83      return null;
     84    }
     85    return this.autofill;
     86  }
     87 
     88  delete(sessionId) {
     89    this.sessions.delete(sessionId);
     90    if (!this.autofill || sessionId !== this.autofill.sessionId) {
     91      // this delete call might happen *after* the next session already
     92      // started, in that case, we can safely ignore this call.
     93      return;
     94    }
     95    this.autofill.clear();
     96    this.autofill = null;
     97  }
     98 }
     99 
    100 export var gAutofillManager = new AutofillManager();
    101 
    102 // Runtime functionality
    103 export const GeckoViewAutofillRuntime = {
    104  async onEvent(aEvent, aData, aCallback) {
    105    debug`onEvent: event=${aEvent}, data=${aData}`;
    106 
    107    switch (aEvent) {
    108      case "GeckoView:Autofill:GetAddressStructure": {
    109        debug`onEvent: event=${aEvent}, data=${aData}`;
    110        const country = aData.country ? aData.country : "US";
    111        const layout = lazy.FormAutofillUtils.getFormLayout({
    112          country: `${country}`,
    113        });
    114        aCallback.onSuccess({
    115          fields: layout,
    116        });
    117        break;
    118      }
    119    }
    120  },
    121 };
    122 
    123 const { debug, warn } = GeckoViewUtils.initLogging("Autofill");