ethanyoo.com/static/js/pdf-js/build/pdf.sandbox.js

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/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2023 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.
*
* @licend The above is the entire license notice for the
* JavaScript code in this page
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define("pdfjs-dist/build/pdf.sandbox", [], factory);
else if(typeof exports === 'object')
exports["pdfjs-dist/build/pdf.sandbox"] = factory();
else
root["pdfjs-dist/build/pdf.sandbox"] = root.pdfjsSandbox = factory();
})(globalThis, () => {
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/******/ "use strict";
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/***/ }),
/* 2 */
/***/ ((__unused_webpack_module, exports) => {
class SandboxSupportBase {
constructor(win) {
this.win = win;
this.timeoutIds = new Map();
this.commFun = null;
}
destroy() {
this.commFun = null;
for (const id of this.timeoutIds.values()) {
this.win.clearTimeout(id);
}
this.timeoutIds = null;
}
exportValueToSandbox(val) {
throw new Error("Not implemented");
}
importValueFromSandbox(val) {
throw new Error("Not implemented");
}
createErrorForSandbox(errorMessage) {
throw new Error("Not implemented");
}
callSandboxFunction(name, args) {
try {
args = this.exportValueToSandbox(args);
this.commFun(name, args);
} catch (e) {
this.win.console.error(e);
}
}
createSandboxExternals() {
const externals = {
setTimeout: (callbackId, nMilliseconds) => {
if (typeof callbackId !== "number" || typeof nMilliseconds !== "number") {
return;
}
if (callbackId === 0) {
this.win.clearTimeout(this.timeoutIds.get(callbackId));
}
const id = this.win.setTimeout(() => {
this.timeoutIds.delete(callbackId);
this.callSandboxFunction("timeoutCb", {
callbackId,
interval: false
});
}, nMilliseconds);
this.timeoutIds.set(callbackId, id);
},
clearTimeout: callbackId => {
this.win.clearTimeout(this.timeoutIds.get(callbackId));
this.timeoutIds.delete(callbackId);
},
setInterval: (callbackId, nMilliseconds) => {
if (typeof callbackId !== "number" || typeof nMilliseconds !== "number") {
return;
}
const id = this.win.setInterval(() => {
this.callSandboxFunction("timeoutCb", {
callbackId,
interval: true
});
}, nMilliseconds);
this.timeoutIds.set(callbackId, id);
},
clearInterval: callbackId => {
this.win.clearInterval(this.timeoutIds.get(callbackId));
this.timeoutIds.delete(callbackId);
},
alert: cMsg => {
if (typeof cMsg !== "string") {
return;
}
this.win.alert(cMsg);
},
confirm: cMsg => {
if (typeof cMsg !== "string") {
return false;
}
return this.win.confirm(cMsg);
},
prompt: (cQuestion, cDefault) => {
if (typeof cQuestion !== "string" || typeof cDefault !== "string") {
return null;
}
return this.win.prompt(cQuestion, cDefault);
},
parseURL: cUrl => {
const url = new this.win.URL(cUrl);
const props = ["hash", "host", "hostname", "href", "origin", "password", "pathname", "port", "protocol", "search", "searchParams", "username"];
return Object.fromEntries(props.map(name => [name, url[name].toString()]));
},
send: data => {
if (!data) {
return;
}
const event = new this.win.CustomEvent("updatefromsandbox", {
detail: this.importValueFromSandbox(data)
});
this.win.dispatchEvent(event);
}
};
Object.setPrototypeOf(externals, null);
return (name, args) => {
try {
const result = externals[name](...args);
return this.exportValueToSandbox(result);
} catch (error) {
throw this.createErrorForSandbox(error?.toString() ?? "");
}
};
}
}
{
exports.SandboxSupportBase = SandboxSupportBase;
}
/***/ })
/******/ ]);
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __w_pdfjs_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
(() => {
var exports = __webpack_exports__;
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.QuickJSSandbox = QuickJSSandbox;
var _quickjsEval = _interopRequireDefault(__w_pdfjs_require__(1));
var _pdfSandboxExternal = __w_pdfjs_require__(2);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const pdfjsVersion = '3.4.120';
const pdfjsBuild = 'af6414988';
class SandboxSupport extends _pdfSandboxExternal.SandboxSupportBase {
exportValueToSandbox(val) {
return JSON.stringify(val);
}
importValueFromSandbox(val) {
return val;
}
createErrorForSandbox(errorMessage) {
return new Error(errorMessage);
}
}
class Sandbox {
constructor(win, module) {
this.support = new SandboxSupport(win, this);
module.externalCall = this.support.createSandboxExternals();
this._module = module;
this._alertOnError = 0;
}
create(data) {
const code = ['(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === \'object\' && typeof module === \'object\')\n\t\tmodule.exports = factory();\n\telse if(typeof define === \'function\' && define.amd)\n\t\tdefine("pdfjs-dist/build/pdf.scripting", [], factory);\n\telse if(typeof exports === \'object\')\n\t\texports["pdfjs-dist/build/pdf.scripting"] = factory();\n\telse\n\t\troot.pdfjsScripting = factory();\n})(globalThis, () => {\nreturn /******/ (() => { // webpackBootstrap\n/******/ \t"use strict";\n/******/ \tvar __webpack_modules__ = ([\n/* 0 */,\n/* 1 */\n/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {\n\n\n\nObject.defineProperty(exports, "__esModule", ({\n value: true\n}));\nexports.initSandbox = initSandbox;\nvar _constants = __w_pdfjs_require__(2);\nvar _field = __w_pdfjs_require__(3);\nvar _aform = __w_pdfjs_require__(8);\nvar _app = __w_pdfjs_require__(9);\nvar _color = __w_pdfjs_require__(5);\nvar _console = __w_pdfjs_require__(15);\nvar _doc = __w_pdfjs_require__(11);\nvar _proxy = __w_pdfjs_require__(16);\nvar _util = __w_pdfjs_require__(17);\nfunction initSandbox(params) {\n delete globalThis.pdfjsScripting;\n const externalCall = globalThis.callExternalFunction;\n delete globalThis.callExternalFunction;\n const globalEval = code => globalThis.eval(code);\n const send = data => externalCall("send", [data]);\n const proxyHandler = new _proxy.ProxyHandler();\n const {\n data\n } = params;\n const doc = new _doc.Doc({\n send,\n globalEval,\n ...data.docInfo\n });\n const _document = {\n obj: doc,\n wrapped: new Proxy(doc, proxyHandler)\n };\n const app = new _app.App({\n send,\n globalEval,\n externalCall,\n _document,\n calculationOrder: data.calculationOrder,\n proxyHandler,\n ...data.appInfo\n });\n const util = new _util.Util({\n externalCall\n });\n const appObjects = app._objects;\n if (data.objects) {\n const annotations = [];\n for (const [name, objs] of Object.entries(data.objects)) {\n annotations.length = 0;\n let container = null;\n for (const obj of objs) {\n if (obj.type !== "") {\n annotations.push(obj);\n } else {\n container = obj;\n }\n }\n let obj = container;\n if (annotations.length > 0) {\n obj = annotations[0];\n obj.send = send;\n }\n obj.globalEval = globalEval;\n obj.doc = _document;\n obj.fieldPath = name;\n obj.appObjects = appObjects;\n let field;\n switch (obj.type) {\n case "radiobutton":\n {\n const otherButtons = annotations.slice(1);\n field = new _field.RadioButtonField(otherButtons, obj);\n break;\n }\n case "checkbox":\n {\n const otherButtons = annotations.slice(1);\n field = new _field.CheckboxField(otherButtons, obj);\n break;\n }\n case "text":\n if (annotations.length <= 1) {\n field = new _field.Field(obj);\n break;\n }\n obj.siblings = annotations.map(x => x.id).slice(1);\n field = new _field.Field(obj);\n break;\n default:\n field = new _field.Field(obj);\n }\n const wrapped = new Proxy(field, proxyHandler);\n const _object = {\n obj: field,\n wrapped\n };\n doc._addField(name, _object);\n for (const object of objs) {\n appObjects[object.id] = _object;\n }\n if (container) {\n appObjects[container.id] = _object;\n }\n }\n }\n const color = new _color.Color();\n globalThis.event = null;\n globalThis.global = Object.create(null);\n globalThis.app = new Proxy(app, proxyHandler);\n globalThis.color = new Proxy(color, proxyHandler);\n globalThis.console = new Proxy(new _console.Console({\n send\n }), proxyHandler);\n globalThis.util = new Proxy(util, proxyHandler);\n globalThis.border = _constants.Border;\n globalThis.cursor = _constants.Curs
code.push("delete dump;");
let success = false;
let buf = 0;
try {
const sandboxData = JSON.stringify(data);
code.push(`pdfjsScripting.initSandbox({ data: ${sandboxData} })`);
buf = this._module.stringToNewUTF8(code.join("\n"));
success = !!this._module.ccall("init", "number", ["number", "number"], [buf, this._alertOnError]);
} catch (error) {
console.error(error);
} finally {
if (buf) {
this._module.ccall("free", "number", ["number"], [buf]);
}
}
if (success) {
this.support.commFun = this._module.cwrap("commFun", null, ["string", "string"]);
} else {
this.nukeSandbox();
throw new Error("Cannot start sandbox");
}
}
dispatchEvent(event) {
this.support?.callSandboxFunction("dispatchEvent", event);
}
dumpMemoryUse() {
if (this._module) {
this._module.ccall("dumpMemoryUse", null, []);
}
}
nukeSandbox() {
if (this._module !== null) {
this.support.destroy();
this.support = null;
this._module.ccall("nukeSandbox", null, []);
this._module = null;
}
}
evalForTesting(code, key) {
throw new Error("Not implemented: evalForTesting");
}
}
function QuickJSSandbox() {
return (0, _quickjsEval.default)().then(module => {
return new Sandbox(window, module);
});
}
})();
/******/ return __webpack_exports__;
/******/ })()
;
});
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