Initial release

.eslintrc

+const path = require('path');
+
+module.exports = {
+  parser: 'babel-eslint',
+  env: {
+    browser: true,
+    es6: true,
+  },
+  plugins: ['jsx-a11y', 'sonarjs'],
+  extends: [
+    'react-app',
+    'airbnb',
+    'plugin:import/errors',
+    'plugin:import/warnings',
+    'plugin:react/recommended',
+    'plugin:react-hooks/recommended',
+    'plugin:jsx-a11y/recommended',
+    'plugin:sonarjs/recommended',
+    'plugin:unicorn/recommended',
+    'plugin:promise/recommended',
+    'plugin:prettier/recommended',
+  ],
+  globals: {
+    Atomics: 'readonly',
+    SharedArrayBuffer: 'readonly',
+  },
+  parserOptions: {
+    ecmaFeatures: {
+      jsx: true,
+    },
+    ecmaVersion: 2018,
+    sourceType: 'module',
+  },
+  settings: {
+    'import/resolver': {
+      node: {
+        paths: [path.join(__dirname, './src')],
+      },
+    },
+  },
+  rules: {
+    'jsx-a11y/autocomplete-valid': 'off', // craco seams to not understand this...
+    'no-unused-vars': 2,
+    'no-console': 1,
+    'max-lines': [1, 400],
+    complexity: 2,
+    'new-cap': 0,
+    'prefer-promise-reject-errors': 0,
+    'react/prop-types': 0,
+    'react/require-default-props': 0,
+    'react/jsx-filename-extension': 0,
+    'react-hooks/exhaustive-deps': 2,
+    'import/prefer-default-export': 0,
+    'import/no-default-export': 2,
+    'import/no-namespace': 0,
+    'unicorn/better-regex': 1,
+    'unicorn/consistent-destructuring': 0,
+    'unicorn/explicit-length-check': 0,
+    'unicorn/filename-case': 0,
+    'unicorn/no-array-for-each': 0,
+    'unicorn/no-array-reduce': 0,
+    'unicorn/no-new-array': 0,
+    'unicorn/no-null': 0,
+    'unicorn/prefer-number-properties': 0,
+    'unicorn/prefer-regexp-test': 0,
+    'unicorn/prevent-abbreviations': 2,
+    'unicorn/consistent-function-scoping': 0, // https://github.com/sindresorhus/eslint-plugin-unicorn/issues/374#issuecomment-532348080,
+    'promise/always-return': 0,
+    'promise/no-return-wrap': 1,
+    'sonarjs/no-small-switch': 0,
+    'sonarjs/cognitive-complexity': 1,
+    'react/no-array-index-key': 1,
+    'unicorn/number-literal-case': 0,
+    'no-restricted-syntax': ['error', 'LabeledStatement', 'WithStatement'],
+    'import/no-extraneous-dependencies': [
+      'error',
+      {
+        devDependencies: ['**/*.test.js', 'src/testHelper/*'],
+      },
+    ],
+  },
+  overrides: [
+    {
+      files: ['src/graphql/**', '*.query.js'],
+      rules: {
+        camelcase: 'off',
+      },
+    },
+  ],
+};
\ No newline at end of file

.gitignore

+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
\ No newline at end of file

.prettierrc

+{
+    "printWidth": 80,
+    "tabWidth": 2,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "es5",
+    "bracketSpacing": true,
+    "jsxBracketSameLine": false,
+    "arrowParens": "avoid",
+    "requirePragma": false,
+    "insertPragma": false,
+    "proseWrap": "always"
+  }
\ No newline at end of file

CHANGELOG.md

+# Changelog
+
+### 1.0.0 (2021-05-24)
+
+* initial public release
\ No newline at end of file

LICENSE

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+   Copyright 2021 culture4life GmbH
+
+   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
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+   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.
\ No newline at end of file

README.md

+# Luca CWA Event
+
+[luca](https://luca-app.de) ensures a data protection-compliant, decentralized
+encryption of your data, undertakes the obligation to record contact data for
+events and gastronomy, relieves the health authorities through digital, lean,
+and integrated processes to enable efficient and complete tracing.
+
+This service contains the source code of the Luca CWA Event package.
+Purpose of this package, is to port the event qr code registration logic from the corona war app (CWA) to a browser-compatible easy-to-use package.
+The goal is to take all the parameters like event description and time and generate the payload data that is going to be appended to the URL behind a QR Code.
+
+
+The Luca CWA Event package is used in [Luca Web Services](https://gitlab.com/lucaapp/web/).
+
+## Acknowledgements 
+The logic and code used in this repository are adapted from the CWA repositories that offer the logic to generate the CWA QR code payload. The primary repositories used are
+* [cwa-event-qr-code](https://github.com/corona-warn-app/cwa-event-qr-code)
+* [cwa-website](https://github.com/corona-warn-app/cwa-website)
+
+
+## Changelog
+
+An overview of all releases can be found
+[here](https://gitlab.com/lucaapp/web-crypto/-/blob/master/CHANGELOG.md).
+
+## Issues & Support
+
+Please [create an issue](https://gitlab.com/lucaapp/cwa-event/-/issues) for
+suggestions or problems related to this application. For general questions,
+please check out our [FAQ](https://www.luca-app.de/faq/) or contact our support
+team at [hello@luca-app.de](mailto:hello@luca-app.de).
+
+## License
+
+The Luca CWA Event is Free Software (Open Source) and is distributed
+with a number of components with compatible licenses.
+
+```
+SPDX-License-Identifier: Apache-2.0
+
+SPDX-FileCopyrightText: 2021 culture4life GmbH <https://luca-app.de>
+```
+
+For details see
+* [license file](https://gitlab.com/lucaapp/cwa-event/-/blob/master/LICENSE)
\ No newline at end of file

jest.config.js

+module.exports = {
+    roots: ['<rootDir>/src'],
+    transform: {
+        '^.+\\.tsx?$': 'ts-jest',
+    },
+    testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$',
+    moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+    testEnvironment: 'node',
+}
\ No newline at end of file

lib/constants.js

+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CROWD_NOTIFIER_PUBLIC_KEY = void 0;
+exports.CROWD_NOTIFIER_PUBLIC_KEY = 'gwLMzE153tQwAOf2MZoUXXfzWTdlSpfS99iZffmcmxOG9njSK4RTimFOFwDh6t0Tyw8XR01ugDYjtuKwjjuK49Oh83FWct6XpefPi9Skjxvvz53i9gaMmUEc96pbtoaA';

lib/eventregistration.js

+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.LOCATION_TYPES = exports.generateQRPayload = exports.generateSerializedPayload = exports.validateQRData = void 0;
+const moment_1 = __importDefault(require("moment"));
+const uint8_to_base64_1 = require("uint8-to-base64");
+const trace_location_pb_1 = require("./lib/trace_location_pb");
+const constants_1 = require("./constants");
+const validateQRData = (qrCodeData) => {
+    let errors = 0;
+    if (!qrCodeData.locationType) {
+        errors++;
+    }
+    if (!qrCodeData.description || !qrCodeData.description.length) {
+        errors++;
+    }
+    else if (qrCodeData.description.length > 100) {
+        errors++;
+    }
+    if (!qrCodeData.address || !qrCodeData.address.length) {
+        errors++;
+    }
+    else if (qrCodeData.address.length > 100) {
+        errors++;
+    }
+    if (!qrCodeData.defaultcheckinlengthMinutes) {
+        errors++;
+    }
+    if (qrCodeData.locationType >= 9 || qrCodeData.locationType === 2) {
+        const timeReg = /^([0-1]?[0-9]|2[0-3]):[0-5][0-9]$/;
+        const dateReg = /^\d{2}.\d{2}.\d{4}$/;
+        if (!qrCodeData.starttime || !qrCodeData.startdate) {
+            errors++;
+        }
+        else {
+            if (!dateReg.test(qrCodeData.startdate) ||
+                !moment_1.default(qrCodeData.startdate.split('.').reverse().join('-')).isValid()) {
+                errors++;
+            }
+            if (!timeReg.test(qrCodeData.starttime)) {
+                errors++;
+            }
+        }
+        if (!qrCodeData.endtime || !qrCodeData.enddate) {
+            errors++;
+        }
+        else {
+            if (!dateReg.test(qrCodeData.enddate) ||
+                !moment_1.default(qrCodeData.enddate.split('.').reverse().join('-')).isValid()) {
+                errors++;
+            }
+            if (!timeReg.test(qrCodeData.endtime)) {
+                errors++;
+            }
+        }
+    }
+    return errors === 0;
+};
+exports.validateQRData = validateQRData;
+const generateSerializedPayload = (qrCodeData) => {
+    const locationData = new trace_location_pb_1.proto.CWALocationData();
+    locationData.setVersion(1);
+    locationData.setType(qrCodeData.locationType);
+    locationData.setDefaultcheckinlengthinminutes(qrCodeData.defaultcheckinlengthMinutes);
+    const crowdNotifierData = new trace_location_pb_1.proto.CrowdNotifierData();
+    crowdNotifierData.setVersion(1);
+    crowdNotifierData.setPublickey(constants_1.CROWD_NOTIFIER_PUBLIC_KEY);
+    const seed = new Uint8Array(16);
+    crypto.getRandomValues(seed);
+    console.log('seed', seed);
+    crowdNotifierData.setCryptographicseed(seed);
+    const traceLocation = new trace_location_pb_1.proto.TraceLocation();
+    traceLocation.setVersion(1);
+    traceLocation.setDescription(qrCodeData.description);
+    traceLocation.setAddress(qrCodeData.address);
+    if (qrCodeData.locationType >= 9 || qrCodeData.locationType === 2) {
+        traceLocation.setStarttimestamp(moment_1.default(qrCodeData.startdate.reverse().join('-') + ' ' + qrCodeData.starttime).format('X'));
+        traceLocation.setEndtimestamp(moment_1.default(qrCodeData.enddate.reverse().join('-') + ' ' + qrCodeData.endtime).format('X'));
+    }
+    const payload = new trace_location_pb_1.proto.QRCodePayload();
+    payload.setLocationdata(traceLocation);
+    payload.setCrowdnotifierdata(crowdNotifierData);
+    payload.setVendordata(locationData.serializeBinary());
+    payload.setVersion(1);
+    return payload.serializeBinary();
+};
+exports.generateSerializedPayload = generateSerializedPayload;
+const generateQRPayload = (qrCodeData) => {
+    const qrContent = uint8_to_base64_1.encode(exports.generateSerializedPayload(qrCodeData))
+        .replace(/\+/g, '-')
+        .replace(/\//g, '_')
+        .replace(/=+$/, '');
+    return qrContent;
+};
+exports.generateQRPayload = generateQRPayload;
+exports.LOCATION_TYPES = trace_location_pb_1.proto.TraceLocationType;

lib/index.js

+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+__exportStar(require("./eventregistration"), exports);

lib/lib/trace_location_pb.js

+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const google_protobuf_1 = __importDefault(require("google-protobuf/google-protobuf"));
+var jspb = require('google-protobuf');
+var goog = jspb;
+var global = function () {
+    return this;
+};
+goog.exportSymbol('proto.CWALocationData', null, global);
+goog.exportSymbol('proto.CrowdNotifierData', null, global);
+goog.exportSymbol('proto.QRCodePayload', null, global);
+goog.exportSymbol('proto.TraceLocation', null, global);
+goog.exportSymbol('proto.TraceLocationType', null, global);
+google_protobuf_1.default.QRCodePayload = function (opt_data) {
+    jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(google_protobuf_1.default.QRCodePayload, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+    google_protobuf_1.default.QRCodePayload.displayName = 'proto.QRCodePayload';
+}
+google_protobuf_1.default.TraceLocation = function (opt_data) {
+    jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(google_protobuf_1.default.TraceLocation, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+    google_protobuf_1.default.TraceLocation.displayName = 'proto.TraceLocation';
+}
+google_protobuf_1.default.CrowdNotifierData = function (opt_data) {
+    jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(google_protobuf_1.default.CrowdNotifierData, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+    google_protobuf_1.default.CrowdNotifierData.displayName = 'proto.CrowdNotifierData';
+}
+google_protobuf_1.default.CWALocationData = function (opt_data) {
+    jspb.Message.initialize(this, opt_data, 0, -1, null, null);
+};
+goog.inherits(google_protobuf_1.default.CWALocationData, jspb.Message);
+if (goog.DEBUG && !COMPILED) {
+    google_protobuf_1.default.CWALocationData.displayName = 'proto.CWALocationData';
+}
+if (jspb.Message.GENERATE_TO_OBJECT) {
+    google_protobuf_1.default.QRCodePayload.prototype.toObject = function (opt_includeInstance) {
+        return google_protobuf_1.default.QRCodePayload.toObject(opt_includeInstance, this);
+    };
+    google_protobuf_1.default.QRCodePayload.toObject = function (includeInstance, msg) {
+        var f, obj = {
+            version: jspb.Message.getFieldWithDefault(msg, 1, 0),
+            locationdata: (f = msg.getLocationdata()) &&
+                google_protobuf_1.default.TraceLocation.toObject(includeInstance, f),
+            crowdnotifierdata: (f = msg.getCrowdnotifierdata()) &&
+                google_protobuf_1.default.CrowdNotifierData.toObject(includeInstance, f),
+            vendordata: msg.getVendordata_asB64(),
+        };
+        if (includeInstance) {
+            obj.$jspbMessageInstance = msg;
+        }
+        return obj;
+    };
+}
+google_protobuf_1.default.QRCodePayload.deserializeBinary = function (bytes) {
+    var reader = new jspb.BinaryReader(bytes);
+    var msg = new google_protobuf_1.default.QRCodePayload();
+    return google_protobuf_1.default.QRCodePayload.deserializeBinaryFromReader(msg, reader);
+};
+google_protobuf_1.default.QRCodePayload.deserializeBinaryFromReader = function (msg, reader) {
+    while (reader.nextField()) {
+        if (reader.isEndGroup()) {
+            break;
+        }
+        var field = reader.getFieldNumber();
+        switch (field) {
+            case 1:
+                var value = reader.readUint32();
+                msg.setVersion(value);
+                break;
+            case 2:
+                var value = new google_protobuf_1.default.TraceLocation();
+                reader.readMessage(value, google_protobuf_1.default.TraceLocation.deserializeBinaryFromReader);
+                msg.setLocationdata(value);
+                break;
+            case 3:
+                var value = new google_protobuf_1.default.CrowdNotifierData();
+                reader.readMessage(value, google_protobuf_1.default.CrowdNotifierData.deserializeBinaryFromReader);
+                msg.setCrowdnotifierdata(value);
+                break;
+            case 4:
+                var value = reader.readBytes();
+                msg.setVendordata(value);
+                break;
+            default:
+                reader.skipField();
+                break;
+        }
+    }
+    return msg;
+};
+google_protobuf_1.default.QRCodePayload.prototype.serializeBinary = function () {
+    var writer = new jspb.BinaryWriter();
+    google_protobuf_1.default.QRCodePayload.serializeBinaryToWriter(this, writer);
+    return writer.getResultBuffer();
+};