Merge pull request #6233 from Rob--W/crx-local-files
Improve support for viewing PDFs from file://-URLs in the Chrome extension
This commit is contained in:
Jonas Jenwald
commit
421289c7bc
@ -83,6 +83,7 @@ limitations under the License.
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// When session restore is used, viewer pages may be loaded before the
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// webRequest event listener is attached (= page not found).
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// Or the extension could have been crashed (OOM), leaving a sad tab behind.
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// Reload these tabs.
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chrome.tabs.query({
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url: CRX_BASE_URL + '*:*'
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@ -92,4 +93,25 @@ limitations under the License.
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}
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});
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console.log('Set up extension URL router.');
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Object.keys(localStorage).forEach(function(key) {
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// The localStorage item is set upon unload by chromecom.js.
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var parsedKey = /^unload-(\d+)-(true|false)-(.+)/.exec(key);
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if (parsedKey) {
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var timeStart = parseInt(parsedKey[1], 10);
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var isHidden = parsedKey[2] === 'true';
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var url = parsedKey[3];
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if (Date.now() - timeStart < 3000) {
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// Is it a new item (younger than 3 seconds)? Assume that the extension
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// just reloaded, so restore the tab (work-around for crbug.com/511670).
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chrome.tabs.create({
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url: chrome.runtime.getURL('restoretab.html') +
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'?' + encodeURIComponent(url) +
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'#' + encodeURIComponent(localStorage.getItem(key)),
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active: !isHidden
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});
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}
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localStorage.removeItem(key);
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}
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});
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})();
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@ -22,3 +22,4 @@ limitations under the License.
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<script src="pdfHandler-v2.js"></script>
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<script src="pdfHandler-vcros.js"></script>
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<script src="pageAction/background.js"></script>
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<script src="suppress-update.js"></script>
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@ -226,3 +226,51 @@ chrome.webRequest.onBeforeRequest.addListener(
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types: ['main_frame', 'sub_frame']
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},
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['blocking']);
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chrome.extension.isAllowedFileSchemeAccess(function(isAllowedAccess) {
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if (isAllowedAccess) {
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return;
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}
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// If the user has not granted access to file:-URLs, then the webRequest API
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// will not catch the request. It is still visible through the webNavigation
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// API though, and we can replace the tab with the viewer.
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// The viewer will detect that it has no access to file:-URLs, and prompt the
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// user to activate file permissions.
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chrome.webNavigation.onBeforeNavigate.addListener(function(details) {
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if (details.frameId === 0 && !isPdfDownloadable(details)) {
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chrome.tabs.update(details.tabId, {
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url: getViewerURL(details.url)
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});
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}
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}, {
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url: [{
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urlPrefix: 'file://',
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pathSuffix: '.pdf'
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}, {
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urlPrefix: 'file://',
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pathSuffix: '.PDF'
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}]
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});
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});
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chrome.runtime.onMessage.addListener(function(message, sender, sendResponse) {
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if (message && message.action === 'isAllowedFileSchemeAccess') {
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chrome.extension.isAllowedFileSchemeAccess(sendResponse);
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return true;
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}
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if (message && message.action === 'openExtensionsPageForFileAccess') {
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var url = 'chrome://extensions/?id=' + chrome.runtime.id;
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if (message.data.newTab) {
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chrome.tabs.create({
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windowId: sender.tab.windowId,
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index: sender.tab.index + 1,
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url: url,
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openerTabId: sender.tab.id
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});
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} else {
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chrome.tabs.update(sender.tab.id, {
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url: url
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});
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}
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}
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});
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17
extensions/chromium/restoretab.html
Normal file
17
extensions/chromium/restoretab.html
Normal file
@ -0,0 +1,17 @@
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<!doctype html>
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<!--
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Copyright 2015 Mozilla Foundation
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<script src="restoretab.js"></script>
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33
extensions/chromium/restoretab.js
Normal file
33
extensions/chromium/restoretab.js
Normal file
@ -0,0 +1,33 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/*
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Copyright 2015 Mozilla Foundation
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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/**
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* This is part of the work-around for crbug.com/511670.
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* - chromecom.js sets the URL and history state upon unload.
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* - extension-router.js retrieves the saved state and opens restoretab.html
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* - restoretab.html (this script) restores the URL and history state.
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*/
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'use strict';
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var url = decodeURIComponent(location.search.slice(1));
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var historyState = decodeURIComponent(location.hash.slice(1));
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historyState = historyState === 'undefined' ? null : JSON.parse(historyState);
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history.replaceState(historyState, null, url);
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location.reload();
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29
extensions/chromium/suppress-update.js
Normal file
29
extensions/chromium/suppress-update.js
Normal file
@ -0,0 +1,29 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/*
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Copyright 2015 Mozilla Foundation
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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/* globals chrome */
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'use strict';
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// Do not reload the extension when an update becomes available, UNLESS the PDF
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// viewer is not displaying any PDF files. Otherwise the tabs would close, which
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// is quite disruptive (crbug.com/511670).
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chrome.runtime.onUpdateAvailable.addListener(function() {
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if (chrome.extension.getViews({type: 'tab'}).length === 0) {
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chrome.runtime.reload();
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}
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});
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54
web/chrome-i18n-allow-access-to-file-urls.json
Normal file
54
web/chrome-i18n-allow-access-to-file-urls.json
Normal file
@ -0,0 +1,54 @@
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{
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"am": "\u1208\u134b\u12ed\u120d \u12e9\u12a0\u122d\u12a4\u120d\u12ce\u127d \u1218\u12f3\u1228\u123b \u134d\u1240\u12f5",
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"ar": "\u200f\u0627\u0644\u0633\u0645\u0627\u062d \u0628\u0627\u0644\u062f\u062e\u0648\u0644 \u0625\u0644\u0649 \u0639\u0646\u0627\u0648\u064a\u0646 URL \u0644\u0644\u0645\u0644\u0641\u0627\u062a",
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"bg": "\u0414\u0430 \u0441\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0438 \u0434\u043e\u0441\u0442\u044a\u043f \u0434\u043e URL \u0430\u0434\u0440\u0435\u0441\u0438\u0442\u0435 \u043d\u0430 \u0444\u0430\u0439\u043b\u043e\u0432\u0435\u0442\u0435",
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"bn": "\u09ab\u09be\u0987\u09b2 URL\u0997\u09c1\u09b2\u09bf\u09a4\u09c7 \u0985\u09cd\u09af\u09be\u0995\u09cd\u09b8\u09c7\u09b8 \u09ae\u099e\u09cd\u099c\u09c1\u09b0 \u0995\u09b0\u09c1\u09a8",
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"ca": "Permet l'acc\u00e9s als URL de fitxer",
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"cs": "Umo\u017enit p\u0159\u00edstup k adres\u00e1m URL soubor\u016f",
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"da": "Tillad adgang til webadresser p\u00e5 filer",
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"de": "Zugriff auf Datei-URLs zulassen",
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"el": "\u039d\u03b1 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03b4\u03b9\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 URL \u03b1\u03c1\u03c7\u03b5\u03af\u03c9\u03bd",
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"en-GB": "Allow access to file URLs",
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"es": "Permitir acceso a URL de archivo",
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"es-419": "Permitir el acceso a las URL del archivo",
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"et": "Luba juurdep\u00e4\u00e4s failide URL-idele",
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"fa": "\u200f\u0627\u062c\u0627\u0632\u0647\u0654 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 URL \u0647\u0627\u06cc \u0641\u0627\u06cc\u0644",
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"fi": "Salli tiedostojen URL-osoitteiden k\u00e4ytt\u00f6",
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"fil": "Payagan ang access na mag-file ng mga URL",
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"fr": "Autoriser l'acc\u00e8s aux URL de fichier",
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"gu": "URL \u0aab\u0abe\u0a87\u0ab2 \u0a95\u0ab0\u0ab5\u0abe \u0a8d\u0a95\u0acd\u0ab8\u0ac7\u0ab8\u0aa8\u0ac0 \u0aae\u0a82\u0a9c\u0ac2\u0ab0\u0ac0 \u0a86\u0aaa\u0acb",
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"hi": "\u092b\u093c\u093e\u0907\u0932 URL \u0924\u0915 \u092a\u0939\u0941\u0902\u091a\u0928\u0947 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0902",
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"hr": "Dozvoli pristup URL-ovima datoteke",
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"hu": "F\u00e1jl URL-ekhez val\u00f3 hozz\u00e1f\u00e9r\u00e9s enged\u00e9lyez\u00e9se",
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"id": "Izinkan akses ke URL file",
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"it": "Consenti l'accesso agli URL dei file",
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"iw": "\u05d0\u05e4\u05e9\u05e8 \u05d2\u05d9\u05e9\u05d4 \u05dc\u05db\u05ea\u05d5\u05d1\u05d5\u05ea \u05d0\u05ea\u05e8\u05d9\u05dd \u05e9\u05dc \u05e7\u05d1\u05e6\u05d9\u05dd",
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"ja": "\u30d5\u30a1\u30a4\u30eb\u306e URL \u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b",
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"kn": "URL \u0c97\u0cb3\u0ca8\u0ccd\u0ca8\u0cc1 \u0cab\u0cc8\u0cb2\u0ccd\u200c\u0c97\u0cb3\u0cbf\u0c97\u0cc6 \u0caa\u0ccd\u0cb0\u0cb5\u0cc7\u0cb6\u0cbf\u0cb8\u0cb2\u0cc1 \u0c85\u0ca8\u0cc1\u0cae\u0ca4\u0cbf\u0cb8\u0cbf",
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"ko": "\ud30c\uc77c URL\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4 \ud5c8\uc6a9",
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"lt": "Leisti pasiekti failo URL",
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"lv": "At\u013caut piek\u013cuvi faila vietr\u0101\u017eiem URL",
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"ml": "URL \u0d15\u0d33\u0d4d\u200d\u200c \u0d2b\u0d2f\u0d32\u0d4d\u200d\u200c \u0d1a\u0d46\u0d2f\u0d4d\u0d2f\u0d41\u0d28\u0d4d\u0d28\u0d24\u0d3f\u0d28\u0d4d \u0d06\u0d15\u0d4d\u200d\u0d38\u0d38\u0d4d\u0d38\u0d4d \u0d05\u0d28\u0d41\u0d35\u0d26\u0d3f\u0d15\u0d4d\u0d15\u0d41\u0d15",
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"mr": "\u092b\u093e\u0907\u0932 URL \u092e\u0927\u094d\u092f\u0947 \u092a\u094d\u0930\u0935\u0947\u0936\u093e\u0938 \u0905\u0928\u0941\u092e\u0924\u0940 \u0926\u094d\u092f\u093e",
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"ms": "Membenarkan akses ke URL fail",
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"nl": "Toegang tot bestand-URL's toestaan",
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"no": "Tillat tilgang til filnettadresser",
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"pl": "Zezwalaj na dost\u0119p do adres\u00f3w URL plik\u00f3w",
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"pt-BR": "Permitir acesso aos URLs do arquivo",
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"pt-PT": "Permitir acesso a URLs de ficheiro",
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"ro": "Permite accesul la adresele URL de fi\u0219iere",
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"ru": "\u0420\u0430\u0437\u0440\u0435\u0448\u0438\u0442\u044c \u043e\u0442\u043a\u0440\u044b\u0432\u0430\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u043f\u043e \u0441\u0441\u044b\u043b\u043a\u0430\u043c",
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"sk": "Povoli\u0165 pr\u00edstup k webov\u00fdm adres\u00e1m s\u00faboru",
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"sl": "Dovoli dostop do URL-jev datoteke",
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"sr": "\u0414\u043e\u0437\u0432\u043e\u043b\u0438 \u043f\u0440\u0438\u0441\u0442\u0443\u043f URL \u0430\u0434\u0440\u0435\u0441\u0430\u043c\u0430 \u0434\u0430\u0442\u043e\u0442\u0435\u043a\u0430",
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"sv": "Till\u00e5t \u00e5tkomst till webbadresser i filen",
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"sw": "Ruhusu kufikia URL za faili",
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"ta": "\u0b95\u0bcb\u0baa\u0bcd\u0baa\u0bc1 URL\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b85\u0ba3\u0bc1\u0b95\u0bb2\u0bc8 \u0b85\u0ba9\u0bc1\u0bae\u0ba4\u0bbf",
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"te": "\u0c2b\u0c48\u0c32\u0c4d URL\u0c32\u0c15\u0c41 \u0c2a\u0c4d\u0c30\u0c3e\u0c2a\u0c4d\u0c24\u0c3f\u0c28\u0c3f \u0c05\u0c28\u0c41\u0c2e\u0c24\u0c3f\u0c02\u0c1a\u0c41",
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"th": "\u0e2d\u0e19\u0e38\u0e0d\u0e32\u0e15\u0e43\u0e2b\u0e49\u0e40\u0e02\u0e49\u0e32\u0e16\u0e36\u0e07\u0e44\u0e1f\u0e25\u0e4c URL",
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"tr": "Dosya URL'lerine eri\u015fime izin ver",
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"uk": "\u041d\u0430\u0434\u0430\u0432\u0430\u0442\u0438 \u0434\u043e\u0441\u0442\u0443\u043f \u0434\u043e URL-\u0430\u0434\u0440\u0435\u0441 \u0444\u0430\u0439\u043b\u0443",
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"vi": "Cho ph\u00e9p truy c\u1eadp v\u00e0o c\u00e1c URL c\u1ee7a t\u1ec7p",
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"zh-CN": "\u5141\u8bb8\u8bbf\u95ee\u6587\u4ef6\u7f51\u5740",
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"zh-TW": "\u5141\u8a31\u5b58\u53d6\u6a94\u6848\u7db2\u5740"
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}
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117
web/chromecom.js
117
web/chromecom.js
@ -14,7 +14,7 @@
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* limitations under the License.
|
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*/
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/* globals chrome, PDFJS, PDFViewerApplication */
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/* globals chrome, PDFJS, PDFViewerApplication, OverlayManager */
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'use strict';
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var ChromeCom = (function ChromeComClosure() {
|
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@ -113,10 +113,125 @@ var ChromeCom = (function ChromeComClosure() {
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});
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return;
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}
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if (/^file?:/.test(file)) {
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if (top !== window && !/^file:/i.test(location.ancestorOrigins[0])) {
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PDFViewerApplication.error('Blocked ' + location.ancestorOrigins[0] +
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' from loading ' + file + '. Refused to load a local file in a ' +
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' non-local page for security reasons.');
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return;
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}
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isAllowedFileSchemeAccess(function(isAllowedAccess) {
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if (isAllowedAccess) {
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PDFViewerApplication.open(file, 0);
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} else {
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requestAccessToLocalFile(file);
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}
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});
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return;
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}
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PDFViewerApplication.open(file, 0);
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});
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};
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function isAllowedFileSchemeAccess(callback) {
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ChromeCom.request('isAllowedFileSchemeAccess', null, callback);
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}
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function isRuntimeAvailable() {
|
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try {
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// When the extension is reloaded, the extension runtime is destroyed and
|
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// the extension APIs become unavailable.
|
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if (chrome.runtime && chrome.runtime.getManifest()) {
|
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return true;
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}
|
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} catch (e) {}
|
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return false;
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}
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function reloadIfRuntimeIsUnavailable() {
|
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if (!isRuntimeAvailable()) {
|
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location.reload();
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}
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}
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|
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var chromeFileAccessOverlayPromise;
|
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function requestAccessToLocalFile(fileUrl) {
|
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var onCloseOverlay = null;
|
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if (top !== window) {
|
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// When the extension reloads after receiving new permissions, the pages
|
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// have to be reloaded to restore the extension runtime. Auto-reload
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// frames, because users should not have to reload the whole page just to
|
||||
// update the viewer.
|
||||
// Top-level frames are closed by Chrome upon reload, so there is no need
|
||||
// for detecting unload of the top-level frame. Should this ever change
|
||||
// (crbug.com/511670), then the user can just reload the tab.
|
||||
window.addEventListener('focus', reloadIfRuntimeIsUnavailable);
|
||||
onCloseOverlay = function() {
|
||||
window.removeEventListener('focus', reloadIfRuntimeIsUnavailable);
|
||||
reloadIfRuntimeIsUnavailable();
|
||||
OverlayManager.close('chromeFileAccessOverlay');
|
||||
};
|
||||
}
|
||||
if (!chromeFileAccessOverlayPromise) {
|
||||
chromeFileAccessOverlayPromise = OverlayManager.register(
|
||||
'chromeFileAccessOverlay', onCloseOverlay, true);
|
||||
}
|
||||
chromeFileAccessOverlayPromise.then(function() {
|
||||
var iconPath = chrome.runtime.getManifest().icons[48];
|
||||
document.getElementById('chrome-pdfjs-logo-bg').style.backgroundImage =
|
||||
'url(' + chrome.runtime.getURL(iconPath) + ')';
|
||||
|
||||
// Use Chrome's definition of UI language instead of PDF.js's #lang=...,
|
||||
// because the shown string should match the UI at chrome://extensions.
|
||||
// These strings are from chrome/app/resources/generated_resources_*.xtb.
|
||||
var i18nFileAccessLabel =
|
||||
//#include chrome-i18n-allow-access-to-file-urls.json
|
||||
[chrome.i18n.getUILanguage && chrome.i18n.getUILanguage()];
|
||||
|
||||
if (i18nFileAccessLabel) {
|
||||
document.getElementById('chrome-file-access-label').textContent =
|
||||
i18nFileAccessLabel;
|
||||
}
|
||||
|
||||
var link = document.getElementById('chrome-link-to-extensions-page');
|
||||
link.href = 'chrome://extensions/?id=' + chrome.runtime.id;
|
||||
link.onclick = function(e) {
|
||||
// Direct navigation to chrome:// URLs is blocked by Chrome, so we
|
||||
// have to ask the background page to open chrome://extensions/?id=...
|
||||
e.preventDefault();
|
||||
// Open in the current tab by default, because toggling the file access
|
||||
// checkbox causes the extension to reload, and Chrome will close all
|
||||
// tabs upon reload.
|
||||
ChromeCom.request('openExtensionsPageForFileAccess', {
|
||||
newTab: e.ctrlKey || e.metaKey || e.button === 1 || window !== top
|
||||
});
|
||||
};
|
||||
|
||||
// Show which file is being opened to help the user with understanding
|
||||
// why this permission request is shown.
|
||||
document.getElementById('chrome-url-of-local-file').textContent = fileUrl;
|
||||
|
||||
OverlayManager.open('chromeFileAccessOverlay');
|
||||
});
|
||||
}
|
||||
|
||||
if (window === top) {
|
||||
// Chrome closes all extension tabs (crbug.com/511670) when the extension
|
||||
// reloads. To counter this, the tab URL and history state is saved to
|
||||
// localStorage and restored by extension-router.js.
|
||||
// Unfortunately, the window and tab index are not restored. And if it was
|
||||
// the only tab in an incognito window, then the tab is not restored either.
|
||||
addEventListener('unload', function() {
|
||||
// If the runtime is still available, the unload is most likely a normal
|
||||
// tab closure. Otherwise it is most likely an extension reload.
|
||||
if (!isRuntimeAvailable()) {
|
||||
localStorage.setItem(
|
||||
'unload-' + Date.now() + '-' + document.hidden + '-' + location.href,
|
||||
JSON.stringify(history.state));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// This port is used for several purposes:
|
||||
// 1. When disconnected, the background page knows that the frame has unload.
|
||||
// 2. When the referrer was saved in history.state.chromecomState, it is sent
|
||||
|
||||
26
web/viewer-snippet-chrome-overlays.html
Normal file
26
web/viewer-snippet-chrome-overlays.html
Normal file
@ -0,0 +1,26 @@
|
||||
<div id="chromeFileAccessOverlay" class="container hidden">
|
||||
<div class="dialog">
|
||||
<div class="row">
|
||||
<!-- The extension icon (PDF.js logo) will be shown at the left, to help
|
||||
users with recognizing which checkbox they have to click when they
|
||||
visit chrome://extensions.
|
||||
-->
|
||||
<p id="chrome-pdfjs-logo-bg" style="
|
||||
display: block;
|
||||
padding-left: 60px;
|
||||
min-height: 48px;
|
||||
background-size: 48px;
|
||||
background-repeat: no-repeat;
|
||||
font-size: 14px;
|
||||
line-height: 1.8em;
|
||||
word-break: break-all;">
|
||||
Click on
|
||||
"<span id="chrome-file-access-label">Allow access to file URLs</span>"
|
||||
at
|
||||
<a id="chrome-link-to-extensions-page">chrome://extensions</a>
|
||||
<br>
|
||||
to view <span id="chrome-url-of-local-file">this PDF file.</span>
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
@ -1372,6 +1372,10 @@ html[dir='rtl'] .attachmentsItem > button {
|
||||
vertical-align: middle;
|
||||
}
|
||||
|
||||
.dialog :link {
|
||||
color: white;
|
||||
}
|
||||
|
||||
#passwordOverlay > .dialog {
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
@ -388,6 +388,9 @@ See https://github.com/adobe-type-tools/cmap-resources
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<!--#if CHROME-->
|
||||
<!--#include viewer-snippet-chrome-overlays.html-->
|
||||
<!--#endif-->
|
||||
</div> <!-- overlayContainer -->
|
||||
|
||||
</div> <!-- outerContainer -->
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user