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Browserified chat web worker
Browserified chat web worker
This was done because previously, the worker used importscript to load deps from a CDN, which was vulnerable to attacks like XSS because it does not support SRI. The web worker also cannot access deps from the global head.master
Rohan Sircar
4 years ago
6 changed files with 93 additions and 14 deletions
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1chatto/.gitignore
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20chatto/src/main/javascript/Gruntfile.js
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1chatto/src/main/javascript/package.json
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9chatto/src/main/javascript/workers/encryption-worker/main.ts
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66chatto/src/main/javascript/workers/encryption-worker/tsconfig.json
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10chatto/src/main/resources/static/js/worker.js
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import registerPromiseWorker from 'promise-worker/register'; |
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import * as sjcl from 'sjcl' |
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registerPromiseWorker((payload) => { |
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// console.log(payload)
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// console.log('decrypted = ' + sjcl.decrypt(payload.passphrase, JSON.stringify(payload.cipher)));
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return sjcl.decrypt(payload.passphrase, JSON.stringify(payload.cipher)) |
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}); |
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{ |
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"compilerOptions": { |
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/* Basic Options */ |
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// "incremental": true, /* Enable incremental compilation */ |
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"target": "es6", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */ |
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"module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */ |
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// "lib": [], /* Specify library files to be included in the compilation. */ |
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// "allowJs": true, /* Allow javascript files to be compiled. */ |
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// "checkJs": true, /* Report errors in .js files. */ |
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// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */ |
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// "declaration": true, /* Generates corresponding '.d.ts' file. */ |
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// "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */ |
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// "sourceMap": true, /* Generates corresponding '.map' file. */ |
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// "outFile": "./", /* Concatenate and emit output to single file. */ |
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// "outDir": "./", /* Redirect output structure to the directory. */ |
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// "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */ |
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// "composite": true, /* Enable project compilation */ |
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// "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */ |
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// "removeComments": true, /* Do not emit comments to output. */ |
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// "noEmit": true, /* Do not emit outputs. */ |
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// "importHelpers": true, /* Import emit helpers from 'tslib'. */ |
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// "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */ |
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// "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */ |
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/* Strict Type-Checking Options */ |
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"strict": true, /* Enable all strict type-checking options. */ |
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// "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */ |
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// "strictNullChecks": true, /* Enable strict null checks. */ |
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// "strictFunctionTypes": true, /* Enable strict checking of function types. */ |
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// "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */ |
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// "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */ |
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// "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */ |
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// "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */ |
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/* Additional Checks */ |
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// "noUnusedLocals": true, /* Report errors on unused locals. */ |
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// "noUnusedParameters": true, /* Report errors on unused parameters. */ |
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// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */ |
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// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */ |
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/* Module Resolution Options */ |
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// "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */ |
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// "baseUrl": "./", /* Base directory to resolve non-absolute module names. */ |
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// "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */ |
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// "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */ |
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// "typeRoots": [], /* List of folders to include type definitions from. */ |
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// "types": [], /* Type declaration files to be included in compilation. */ |
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"allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */ |
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"esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */ |
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// "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */ |
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// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ |
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/* Source Map Options */ |
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// "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */ |
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// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ |
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// "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */ |
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// "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */ |
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/* Experimental Options */ |
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// "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ |
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// "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */ |
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/* Advanced Options */ |
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"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */ |
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} |
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} |
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// worker.js
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importScripts('https://unpkg.com/promise-worker/dist/promise-worker.register.js'); |
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// importScripts('https://unpkg.com/promise-worker@2.0.1/dist/promise-worker.register.js')
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importScripts('https://cdnjs.cloudflare.com/ajax/libs/sjcl/1.0.8/sjcl.min.js'); |
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registerPromiseWorker((payload) => { |
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// console.log(payload)
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// console.log('decrypted = ' + sjcl.decrypt(payload.passphrase, JSON.stringify(payload.cipher)));
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return sjcl.decrypt(payload.passphrase, JSON.stringify(payload.cipher)) |
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}); |
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