me
/
e4mc
1
1
Fork 0
Code Issues 3 Pull Requests Packages Projects Releases Wiki Activity

feat(node): node.js client

Browse Source
main
Skye 1 year ago
parent 6cefc1a7c2
commit a49079e270
Signed by: me
GPG Key ID: 0104BC05F41B77B8
5 changed files with 265 additions and 0 deletions
Show Stats Download Patch File Download Diff File

2
node/.gitignore vendored
Unescape View File

@ -0,0 +1,2 @@
*.js
node_modules/

115
node/client.ts
Unescape View File

@ -0,0 +1,115 @@
import WebSocket from 'ws';
import net from 'net';
const DEFAULT_REMOTE_SERVER = 'wss://e4mc.skyevg.systems';
const DEFAULT_TCP_ADDRESS = 'localhost';
const DEFAULT_TCP_PORT = 25565;
interface DomainAssignedMessage {
DomainAssigned: string;
}
interface ChannelOpenMessage {
ChannelOpen: [number, string];
}
interface ChannelClosedMessage {
ChannelClosed: number;
}
type ServerMessage = DomainAssignedMessage | ChannelOpenMessage | ChannelClosedMessage;
class e4mcClient {
private tcpAddress: string;
private tcpPort: number;
private channels: Map<number, net.Socket>;
private pendingData: Map<number, Buffer[]>;
private ws: WebSocket;
private onDomainAssigned: ((domain: string) => void) | undefined;
constructor(onDomainAssigned?: (domain: string) => void, tcpPort?: number, tcpAddress?: string, remoteServer?: string) {
this.tcpAddress = tcpAddress ?? DEFAULT_TCP_ADDRESS;
this.tcpPort = tcpPort ?? DEFAULT_TCP_PORT;
this.channels = new Map();
this.pendingData = new Map();
this.onDomainAssigned = onDomainAssigned;
this.ws = new WebSocket(remoteServer ?? DEFAULT_REMOTE_SERVER);
this.ws.on('open', () => this.onOpen());
this.ws.on('message', (data: Buffer, isBinary: boolean) => this.onMessage(data, isBinary));
}
onOpen() {
console.log('Connected to the remote server.');
}
onMessage(data: Buffer, isBinary: boolean) {
if (!isBinary) {
const message: ServerMessage = JSON.parse(data.toString());
if ('DomainAssigned' in message) {
console.log('Domain assigned:', message.DomainAssigned);
if (this.onDomainAssigned) {
this.onDomainAssigned(message.DomainAssigned);
}
} else if ('ChannelOpen' in message) {
this.onChannelOpen(...message.ChannelOpen);
} else if ('ChannelClosed' in message) {
this.onChannelClosed(message.ChannelClosed);
}
} else {
this.onBinaryMessage(data);
}
}
onChannelOpen(channelId: number, clientInfo: string) {
console.log(`Opening channel ${channelId} for ${clientInfo}`);
const tcpSocket = net.createConnection({ host: this.tcpAddress, port: this.tcpPort }, () => {
console.log(`TCP connection established for channel ${channelId}`);
});
tcpSocket.on('data', (chunk) => {
const data = Buffer.concat([Buffer.from([channelId]), chunk]);
this.ws.send(data);
});
tcpSocket.on('close', () => {
console.log(`TCP connection closed for channel ${channelId}`);
this.ws.send(JSON.stringify({ ChannelClosed: channelId }));
this.channels.delete(channelId);
});
this.channels.set(channelId, tcpSocket);
if (this.pendingData.has(channelId)) {
this.pendingData.get(channelId)?.forEach((chunk) => {
tcpSocket.write(chunk);
});
this.pendingData.delete(channelId);
}
}
onChannelClosed(channelId: number) {
console.log(`Closing channel ${channelId}`);
if (this.channels.has(channelId)) {
this.channels.get(channelId)?.end();
this.channels.delete(channelId);
}
}
onBinaryMessage(data: Buffer) {
const channelId = data.readUInt8(0);
const payload = data.slice(1);
if (this.channels.has(channelId)) {
this.channels.get(channelId)?.write(payload);
} else {
if (!this.pendingData.has(channelId)) {
this.pendingData.set(channelId, []);
}
this.pendingData.get(channelId)?.push(payload);
}
}
}
export default e4mcClient;

14
node/package.json
Unescape View File

@ -0,0 +1,14 @@
{
"name": "e4mc-client-node",
"version": "1.0.0",
"main": "client.js",
"license": "MIT",
"devDependencies": {
"@types/node": "^18.15.11",
"@types/ws": "^8.5.4",
"typescript": "^5.0.3"
},
"dependencies": {
"ws": "^8.13.0"
}
}

109
node/tsconfig.json
Unescape View File

@ -0,0 +1,109 @@
{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig to read more about this file */
/* Projects */
// "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
// "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */
// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */
// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
/* Language and Environment */
"target": "es2016", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
// "jsx": "preserve", /* Specify what JSX code is generated. */
// "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */
// "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */
// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
// "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
// "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */
/* Modules */
"module": "commonjs", /* Specify what module code is generated. */
// "rootDir": "./", /* Specify the root folder within your source files. */
// "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
// "types": [], /* Specify type package names to be included without being referenced in a source file. */
// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
// "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */
// "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
// "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */
// "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */
// "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
// "resolveJsonModule": true, /* Enable importing .json files. */
// "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */
// "noResolve": true, /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
/* JavaScript Support */
// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
/* Emit */
// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
// "declarationMap": true, /* Create sourcemaps for d.ts files. */
// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
// "sourceMap": true, /* Create source map files for emitted JavaScript files. */
// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
// "outDir": "./", /* Specify an output folder for all emitted files. */
// "removeComments": true, /* Disable emitting comments. */
// "noEmit": true, /* Disable emitting files from a compilation. */
// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
// "importsNotUsedAsValues": "remove", /* Specify emit/checking behavior for imports that are only used for types. */
// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
// "newLine": "crlf", /* Set the newline character for emitting files. */
// "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
// "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */
// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
// "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */
// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
// "preserveValueImports": true, /* Preserve unused imported values in the JavaScript output that would otherwise be removed. */
/* Interop Constraints */
// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
// "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
"esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
"forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
/* Type Checking */
"strict": true, /* Enable all strict type-checking options. */
// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
// "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */
// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
// "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
// "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */
// "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */
// "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */
// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
// "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */
// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */
// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */
// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
/* Completeness */
// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
"skipLibCheck": true /* Skip type checking all .d.ts files. */
}
}

25
node/yarn.lock
Unescape View File

@ -0,0 +1,25 @@
# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1
"@types/node@*", "@types/node@^18.15.11":
version "18.15.11"
resolved "https://registry.yarnpkg.com/@types/node/-/node-18.15.11.tgz#b3b790f09cb1696cffcec605de025b088fa4225f"
integrity sha512-E5Kwq2n4SbMzQOn6wnmBjuK9ouqlURrcZDVfbo9ftDDTFt3nk7ZKK4GMOzoYgnpQJKcxwQw+lGaBvvlMo0qN/Q==
"@types/ws@^8.5.4":
version "8.5.4"
resolved "https://registry.yarnpkg.com/@types/ws/-/ws-8.5.4.tgz#bb10e36116d6e570dd943735f86c933c1587b8a5"
integrity sha512-zdQDHKUgcX/zBc4GrwsE/7dVdAD8JR4EuiAXiiUhhfyIJXXb2+PrGshFyeXWQPMmmZ2XxgaqclgpIC7eTXc1mg==
dependencies:
"@types/node" "*"
typescript@^5.0.3:
version "5.0.3"
resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.0.3.tgz#fe976f0c826a88d0a382007681cbb2da44afdedf"
integrity sha512-xv8mOEDnigb/tN9PSMTwSEqAnUvkoXMQlicOb0IUVDBSQCgBSaAAROUZYy2IcUy5qU6XajK5jjjO7TMWqBTKZA==
ws@^8.13.0:
version "8.13.0"
resolved "https://registry.yarnpkg.com/ws/-/ws-8.13.0.tgz#9a9fb92f93cf41512a0735c8f4dd09b8a1211cd0"
integrity sha512-x9vcZYTrFPC7aSIbj7sRCYo7L/Xb8Iy+pW0ng0wt2vCJv7M9HOMy0UoN3rr+IFC7hb7vXoqS+P9ktyLLLhO+LA==
Write Preview
Loading…
Cancel
Save