generic_scripting.js 2.2 KB

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  1. /**
  2. * @licstart The following is the entire license notice for the
  3. * JavaScript code in this page
  4. *
  5. * Copyright 2022 Mozilla Foundation
  6. *
  7. * Licensed under the Apache License, Version 2.0 (the "License");
  8. * you may not use this file except in compliance with the License.
  9. * You may obtain a copy of the License at
  10. *
  11. * http://www.apache.org/licenses/LICENSE-2.0
  12. *
  13. * Unless required by applicable law or agreed to in writing, software
  14. * distributed under the License is distributed on an "AS IS" BASIS,
  15. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16. * See the License for the specific language governing permissions and
  17. * limitations under the License.
  18. *
  19. * @licend The above is the entire license notice for the
  20. * JavaScript code in this page
  21. */
  22. "use strict";
  23. Object.defineProperty(exports, "__esModule", {
  24. value: true
  25. });
  26. exports.GenericScripting = void 0;
  27. exports.docPropertiesLookup = docPropertiesLookup;
  28. var _pdf = require("../pdf");
  29. async function docPropertiesLookup(pdfDocument) {
  30. const url = "",
  31. baseUrl = url.split("#")[0];
  32. let {
  33. info,
  34. metadata,
  35. contentDispositionFilename,
  36. contentLength
  37. } = await pdfDocument.getMetadata();
  38. if (!contentLength) {
  39. const {
  40. length
  41. } = await pdfDocument.getDownloadInfo();
  42. contentLength = length;
  43. }
  44. return {
  45. ...info,
  46. baseURL: baseUrl,
  47. filesize: contentLength,
  48. filename: contentDispositionFilename || (0, _pdf.getPdfFilenameFromUrl)(url),
  49. metadata: metadata?.getRaw(),
  50. authors: metadata?.get("dc:creator"),
  51. numPages: pdfDocument.numPages,
  52. URL: url
  53. };
  54. }
  55. class GenericScripting {
  56. constructor(sandboxBundleSrc) {
  57. this._ready = (0, _pdf.loadScript)(sandboxBundleSrc, true).then(() => {
  58. return window.pdfjsSandbox.QuickJSSandbox();
  59. });
  60. }
  61. async createSandbox(data) {
  62. const sandbox = await this._ready;
  63. sandbox.create(data);
  64. }
  65. async dispatchEventInSandbox(event) {
  66. const sandbox = await this._ready;
  67. setTimeout(() => sandbox.dispatchEvent(event), 0);
  68. }
  69. async destroySandbox() {
  70. const sandbox = await this._ready;
  71. sandbox.nukeSandbox();
  72. }
  73. }
  74. exports.GenericScripting = GenericScripting;