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Despite the `enableSignatureVerification` option/preference being enabled in development mode and TESTING builds, the lack of any `SignatureVerifier` implementation still renders the UI disabled. This seems unfortunate, since it makes it more difficult to check that the digital signature UI works correctly: - That the button is visible when it's supposed to be, and that the panel can be opened/closed. - That the UI looks correct, w.r.t. the HTML elements and their CSS rules. - Currently the viewer JS code is effectively uncovered, with overall test-coverage dropping from `90` to `89` percent when PR 21247 landed. To improve the current situation this patch adds a `FakeSignatureVerifier` class, limited to only development mode and TESTING builds, that treats every digital signature as invalid. This allows easier manual testing, and also the addition of a few *very rudimentary* integration-tests. *Note:* It probably wouldn't be all that difficult to add additional integration-tests for *valid* certificates, by having the test-cases instruct (during setup) the `FakeSignatureVerifier` how to respond to simulate verified certificates.
108 lines
3.3 KiB
JavaScript
108 lines
3.3 KiB
JavaScript
/* Copyright 2026 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { closePages, FSI, loadAndWait, PDI } from "./test_utils.mjs";
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describe("Digital signatures", () => {
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describe("Document without signatures", () => {
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let pages;
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beforeEach(async () => {
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pages = await loadAndWait("tracemonkey.pdf", ".textLayer .endOfContent");
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});
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afterEach(async () => {
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await closePages(pages);
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});
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it("check that the signatureProperties button is hidden", async () => {
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await Promise.all(
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pages.map(async ([browserName, page]) => {
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const buttonHidden = await page.$eval(
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"#signatureProperties",
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el => el.hidden
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);
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expect(buttonHidden).withContext(`In ${browserName}`).toBeTrue();
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const separatorHidden = await page.$eval(
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"#signaturePropertiesSeparator",
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el => el.hidden
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);
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expect(separatorHidden).withContext(`In ${browserName}`).toBeTrue();
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})
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);
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});
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});
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describe("Document with signatures", () => {
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let pages;
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beforeEach(async () => {
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pages = await loadAndWait("issue20433.pdf", ".textLayer .endOfContent");
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});
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afterEach(async () => {
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await closePages(pages);
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});
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it("check that the signatureProperties button is visible", async () => {
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await Promise.all(
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pages.map(async ([browserName, page]) => {
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const buttonHidden = await page.$eval(
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"#signatureProperties",
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el => el.hidden
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);
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expect(buttonHidden).withContext(`In ${browserName}`).toBeFalse();
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const separatorHidden = await page.$eval(
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"#signaturePropertiesSeparator",
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el => el.hidden
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);
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expect(separatorHidden).withContext(`In ${browserName}`).toBeFalse();
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})
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);
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});
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it("check that the signatureProperties panel contains two signatures", async () => {
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await Promise.all(
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pages.map(async ([browserName, page]) => {
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await page.click("#signatureProperties");
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await page.waitForSelector("#signaturePropertiesPanel", {
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hidden: false,
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});
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await page.waitForFunction(
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`document.getElementById("signaturePropertiesBanner").textContent !== ""`
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);
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const bannerMsg = await page.$eval(
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"#signaturePropertiesBanner",
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el => el.textContent
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);
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expect(bannerMsg)
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.withContext(`In ${browserName}`)
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.toEqual(
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`Document signed but ${FSI}2${PDI} digital signatures could not be verified`
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);
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await page.keyboard.press("Escape");
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await page.waitForSelector("#signaturePropertiesPanel", {
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hidden: true,
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});
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})
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);
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});
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});
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});
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