pdfjs-dist/lib/web/chromecom.js

/* Copyright 2017 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.ChromeCom = undefined;

var _app = require('./app');

var _overlay_manager = require('./overlay_manager');

var _pdfjs = require('./pdfjs');

var _preferences = require('./preferences');

{
  throw new Error('Module "pdfjs-web/chromecom" shall not be used outside ' + 'CHROME build.');
}
var ChromeCom = {};
ChromeCom.request = function ChromeCom_request(action, data, callback) {
  var message = {
    action: action,
    data: data
  };
  if (!chrome.runtime) {
    console.error('chrome.runtime is undefined.');
    if (callback) {
      callback();
    }
  } else if (callback) {
    chrome.runtime.sendMessage(message, callback);
  } else {
    chrome.runtime.sendMessage(message);
  }
};
ChromeCom.resolvePDFFile = function ChromeCom_resolvePDFFile(file, callback) {
  file = file.replace(/^drive:/i, 'filesystem:' + location.origin + '/external/');
  if (/^filesystem:/.test(file) && !_pdfjs.PDFJS.disableWorker) {
    var resolveLocalFileSystemURL = window.resolveLocalFileSystemURL || window.webkitResolveLocalFileSystemURL;
    resolveLocalFileSystemURL(file, function onResolvedFSURL(fileEntry) {
      fileEntry.file(function (fileObject) {
        var blobUrl = URL.createObjectURL(fileObject);
        callback(blobUrl, fileObject.size);
      });
    }, function onFileSystemError(error) {
      console.warn('Cannot resolve file ' + file + ', ' + error.name + ' ' + error.message);
      callback(file);
    });
    return;
  }
  if (/^https?:/.test(file)) {
    setReferer(file, function () {
      callback(file);
    });
    return;
  }
  if (/^file?:/.test(file)) {
    getEmbedderOrigin(function (origin) {
      if (origin && !/^file:|^chrome-extension:/.test(origin)) {
        _app.PDFViewerApplication.error('Blocked ' + origin + ' from loading ' + file + '. Refused to load a local file in a non-local page ' + 'for security reasons.');
        return;
      }
      isAllowedFileSchemeAccess(function (isAllowedAccess) {
        if (isAllowedAccess) {
          callback(file);
        } else {
          requestAccessToLocalFile(file);
        }
      });
    });
    return;
  }
  callback(file);
};
function getEmbedderOrigin(callback) {
  var origin = window === top ? location.origin : location.ancestorOrigins[0];
  if (origin === 'null') {
    getParentOrigin(callback);
  } else {
    callback(origin);
  }
}
function getParentOrigin(callback) {
  ChromeCom.request('getParentOrigin', null, callback);
}
function isAllowedFileSchemeAccess(callback) {
  ChromeCom.request('isAllowedFileSchemeAccess', null, callback);
}
function isRuntimeAvailable() {
  try {
    if (chrome.runtime && chrome.runtime.getManifest()) {
      return true;
    }
  } catch (e) {}
  return false;
}
function reloadIfRuntimeIsUnavailable() {
  if (!isRuntimeAvailable()) {
    location.reload();
  }
}
var chromeFileAccessOverlayPromise;
function requestAccessToLocalFile(fileUrl) {
  var onCloseOverlay = null;
  if (top !== window) {
    window.addEventListener('focus', reloadIfRuntimeIsUnavailable);
    onCloseOverlay = function () {
      window.removeEventListener('focus', reloadIfRuntimeIsUnavailable);
      reloadIfRuntimeIsUnavailable();
      _overlay_manager.OverlayManager.close('chromeFileAccessOverlay');
    };
  }
  if (!chromeFileAccessOverlayPromise) {
    chromeFileAccessOverlayPromise = _overlay_manager.OverlayManager.register('chromeFileAccessOverlay', document.getElementById('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) + ')';
    var i18nFileAccessLabel = {
      "am": "\u1208\u134b\u12ed\u120d \u12e9\u12a0\u122d\u12a4\u120d\u12ce\u127d \u1218\u12f3\u1228\u123b \u134d\u1240\u12f5",
      "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",
      "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",
      "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",
      "ca": "Permet l'acc\u00e9s als URL de fitxer",
      "cs": "Umo\u017enit p\u0159\u00edstup k adres\u00e1m URL soubor\u016f",
      "da": "Tillad adgang til webadresser p\u00e5 filer",
      "de": "Zugriff auf Datei-URLs zulassen",
      "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",
      "en-GB": "Allow access to file URLs",
      "es": "Permitir acceso a URL de archivo",
      "es-419": "Permitir el acceso a las URL del archivo",
      "et": "Luba juurdep\u00e4\u00e4s failide URL-idele",
      "fa": "\u200f\u0627\u062c\u0627\u0632\u0647\u0654 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 URL \u0647\u0627\u06cc \u0641\u0627\u06cc\u0644",
      "fi": "Salli tiedostojen URL-osoitteiden k\u00e4ytt\u00f6",
      "fil": "Payagan ang access na mag-file ng mga URL",
      "fr": "Autoriser l'acc\u00e8s aux URL de fichier",
      "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",
      "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",
      "hr": "Dozvoli pristup URL-ovima datoteke",
      "hu": "F\u00e1jl URL-ekhez val\u00f3 hozz\u00e1f\u00e9r\u00e9s enged\u00e9lyez\u00e9se",
      "id": "Izinkan akses ke URL file",
      "it": "Consenti l'accesso agli URL dei file",
      "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",
      "ja": "\u30d5\u30a1\u30a4\u30eb\u306e URL \u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b",
      "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",
      "ko": "\ud30c\uc77c URL\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4 \ud5c8\uc6a9",
      "lt": "Leisti pasiekti failo URL",
      "lv": "At\u013caut piek\u013cuvi faila vietr\u0101\u017eiem URL",
      "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",
      "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",
      "ms": "Membenarkan akses ke URL fail",
      "nl": "Toegang tot bestand-URL's toestaan",
      "no": "Tillat tilgang til filnettadresser",
      "pl": "Zezwalaj na dost\u0119p do adres\u00f3w URL plik\u00f3w",
      "pt-BR": "Permitir acesso aos URLs do arquivo",
      "pt-PT": "Permitir acesso a URLs de ficheiro",
      "ro": "Permite accesul la adresele URL de fi\u0219iere",
      "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",
      "sk": "Povoli\u0165 pr\u00edstup k webov\u00fdm adres\u00e1m s\u00faboru",
      "sl": "Dovoli dostop do URL-jev datoteke",
      "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",
      "sv": "Till\u00e5t \u00e5tkomst till webbadresser i filen",
      "sw": "Ruhusu kufikia URL za faili",
      "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",
      "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",
      "th": "\u0e2d\u0e19\u0e38\u0e0d\u0e32\u0e15\u0e43\u0e2b\u0e49\u0e40\u0e02\u0e49\u0e32\u0e16\u0e36\u0e07\u0e44\u0e1f\u0e25\u0e4c URL",
      "tr": "Dosya URL'lerine eri\u015fime izin ver",
      "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",
      "vi": "Cho ph\u00e9p truy c\u1eadp v\u00e0o c\u00e1c URL c\u1ee7a t\u1ec7p",
      "zh-CN": "\u5141\u8bb8\u8bbf\u95ee\u6587\u4ef6\u7f51\u5740",
      "zh-TW": "\u5141\u8a31\u5b58\u53d6\u6a94\u6848\u7db2\u5740"
    }[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) {
      e.preventDefault();
      ChromeCom.request('openExtensionsPageForFileAccess', { newTab: e.ctrlKey || e.metaKey || e.button === 1 || window !== top });
    };
    document.getElementById('chrome-url-of-local-file').textContent = fileUrl;
    _overlay_manager.OverlayManager.open('chromeFileAccessOverlay');
  });
}
if (window === top) {
  addEventListener('unload', function () {
    if (!isRuntimeAvailable()) {
      localStorage.setItem('unload-' + Date.now() + '-' + document.hidden + '-' + location.href, JSON.stringify(history.state));
    }
  });
}
var port;
function setReferer(url, callback) {
  if (!port) {
    port = chrome.runtime.connect({ name: 'chromecom-referrer' });
  }
  port.onDisconnect.addListener(onDisconnect);
  port.onMessage.addListener(onMessage);
  port.postMessage({
    referer: window.history.state && window.history.state.chromecomState,
    requestUrl: url
  });
  function onMessage(referer) {
    if (referer) {
      var state = window.history.state || {};
      state.chromecomState = referer;
      window.history.replaceState(state, '');
    }
    onCompleted();
  }
  function onDisconnect() {
    port = null;
    callback();
  }
  function onCompleted() {
    port.onDisconnect.removeListener(onDisconnect);
    port.onMessage.removeListener(onMessage);
    callback();
  }
}
var storageArea = chrome.storage.sync || chrome.storage.local;
_preferences.Preferences._writeToStorage = function (prefObj) {
  return new Promise(function (resolve) {
    if (prefObj === _preferences.Preferences.defaults) {
      var keysToRemove = Object.keys(_preferences.Preferences.defaults);
      storageArea.remove(keysToRemove, function () {
        resolve();
      });
    } else {
      storageArea.set(prefObj, function () {
        resolve();
      });
    }
  });
};
_preferences.Preferences._readFromStorage = function (prefObj) {
  return new Promise(function (resolve) {
    if (chrome.storage.managed) {
      chrome.storage.managed.get(_preferences.Preferences.defaults, getPreferences);
    } else {
      getPreferences(_preferences.Preferences.defaults);
    }
    function getPreferences(defaultPrefs) {
      if (chrome.runtime.lastError) {
        defaultPrefs = _preferences.Preferences.defaults;
      }
      storageArea.get(defaultPrefs, function (readPrefs) {
        resolve(readPrefs);
      });
    }
  });
};
var ChromeExternalServices = Object.create(_app.DefaultExternalServices);
ChromeExternalServices.initPassiveLoading = function (callbacks) {
  var appConfig = _app.PDFViewerApplication.appConfig;
  ChromeCom.resolvePDFFile(appConfig.defaultUrl, function (url, length, originalURL) {
    callbacks.onOpenWithURL(url, length, originalURL);
  });
};
_app.PDFViewerApplication.externalServices = ChromeExternalServices;
exports.ChromeCom = ChromeCom;