보안 (React)

이 샘플에서는 PdfDocumentuserPassword, ownerPassword, permissions, version 속성 및 wijmo.pdf.security 모듈을 사용해 PDF 파일을 암호로 보호하는 방법과 PDF 파일 권한을 설정하는 방법을 보여 줍니다.

Wijmo 알아보기 | PdfDocument API Reference

이 데모는 React를 기반으로합니다.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './app.css'; // import * as React from 'react'; import * as ReactDOM from 'react-dom/client'; import { PdfVersion, PdfPrintPermission, saveBlob, PdfDocument } from '@grapecity/wijmo.pdf'; import '@grapecity/wijmo.pdf.security'; import * as wjInput from '@grapecity/wijmo.react.input'; // class App extends React.Component { constructor(props) { super(props); // this.state = { userPassword: undefined, ownerPassword: undefined, version: PdfVersion.v1_3, permissions: { annotating: false, contentAccessibility: false, copying: false, documentAssembly: false, fillingForms: false, modifying: false, printing: PdfPrintPermission.NotAllowed } }; } // render() { return <div className="container-fluid"> <div className="panel panel-default"> <div className="panel-heading"> Security settings </div> <div className="panel-body"> <div className="row"> <div className="col-sm-3"> <input type="text" className="form-control" placeholder="User password" onChange={this._userPasswordChange.bind(this)} value={this.state.userPassword}/> </div> <div className="col-sm-3"> <input type="text" className="form-control" placeholder="Owner password" onChange={this._ownerPasswordChange.bind(this)} value={this.state.ownerPassword}/> </div> </div> <hr /> <div className="row"> <div className="col-sm-3"> <wjInput.Menu header='PDF version' itemClicked={this._versionChanged.bind(this)} value={this.state.version}> <wjInput.MenuItem value={PdfVersion.v1_3}>1.3</wjInput.MenuItem> <wjInput.MenuItem value={PdfVersion.v1_4}>1.4</wjInput.MenuItem> <wjInput.MenuItem value={PdfVersion.v1_5}>1.5</wjInput.MenuItem> <wjInput.MenuItem value={PdfVersion.v1_6}>1.6</wjInput.MenuItem> <wjInput.MenuItem value={PdfVersion.v1_7}>1.7</wjInput.MenuItem> <wjInput.MenuItem value={PdfVersion.v1_7Ext3}>1.7 ExtensionLevel 3</wjInput.MenuItem> </wjInput.Menu> </div> </div> <hr /> <div className="row"> <div className="col"> <b>Permissions</b> (require owner password) </div> </div> <div className="row"> <div className="col-sm-3"> <div className="checkbox"> <label> <input type="checkbox" checked={this.state.permissions.annotating} onChange={this._permChanged.bind(this, 'annotating')}/>Annotating </label> </div> <div className="checkbox"> <label> <input type="checkbox" checked={this.state.permissions.contentAccessibility} onChange={this._permChanged.bind(this, 'contentAccessibility')}/>ContentAccessibility </label> </div> <div className="checkbox"> <label> <input type="checkbox" checked={this.state.permissions.copying} onChange={this._permChanged.bind(this, 'copying')}/>Copying </label> </div> <div className="checkbox"> <label> <input type="checkbox" checked={this.state.permissions.documentAssembly} onChange={this._permChanged.bind(this, 'documentAssembly')}/>DocumentAssembly </label> </div> <div className="checkbox"> <label> <input type="checkbox" checked={this.state.permissions.fillingForms} onChange={this._permChanged.bind(this, 'fillingForms')}/>FillingForms </label> </div> <div className="checkbox"> <label> <input type="checkbox" checked={this.state.permissions.modifying} onChange={this._permChanged.bind(this, 'modifying')}/>Modifying </label> </div> </div> </div> <div className="row"> <div className="col-sm-2">Printing</div> </div> <div className="row"> <div className="col-sm-6"> <label className="radio-inline"> <input name="printing" type="radio" value={PdfPrintPermission.NotAllowed} checked={this.state.permissions.printing == PdfPrintPermission.NotAllowed} onChange={this._printingChanged.bind(this)}/>NotAllowed </label> <label className="radio-inline"> <input name="printing" type="radio" value={PdfPrintPermission.AllowLowResolution} checked={this.state.permissions.printing == PdfPrintPermission.AllowLowResolution} onChange={this._printingChanged.bind(this)}/>AllowLowResolution </label> <label className="radio-inline"> <input name="printing" type="radio" value={PdfPrintPermission.AllowHighResolution} checked={this.state.permissions.printing == PdfPrintPermission.AllowHighResolution} onChange={this._printingChanged.bind(this)}/>AllowHighResolution </label> </div> </div> </div> </div> <button className="btn btn-default" onClick={this._drawPdf.bind(this)}>Draw PDF</button> </div>; } // _drawPdf() { let s = this.state, p = s.permissions, doc = new PdfDocument({ userPassword: s.userPassword, ownerPassword: s.ownerPassword, version: s.version, permissions: { annotating: p.annotating, contentAccessibility: p.contentAccessibility, copying: p.copying, documentAssembly: p.documentAssembly, fillingForms: p.fillingForms, modifying: p.modifying, printing: p.printing }, ended: (doc, args) => saveBlob(args.blob, 'Document.pdf') }); // doc.drawText('Demo page.'); // doc.end(); } // _userPasswordChange(event) { this.setState({ userPassword: event.target.value }); } // _ownerPasswordChange(event) { this.setState({ ownerPassword: event.target.value }); } // _versionChanged(menu) { if (menu.selectedValue) { this.setState({ version: menu.selectedValue }); } } // _permChanged(stateProp, event) { let val = event.target.checked; this.setState((state) => { state.permissions[stateProp] = val; return state; }); } // _printingChanged(event) { let val = event.target.value; this.setState((state) => { state.permissions.printing = val; return state; }); } } // setTimeout(() => { const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); } }, 100);
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo PDF Security</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
body { margin-bottom: 24px; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true, react: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.js', '@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js', '@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js', '@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles', '@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures', '@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js', '@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js', '@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js', '@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js', '@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js', '@grapecity/wijmo.chart.finance.analytics': 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