hermes/sshfrontend/src/commands/connections.ts
2024-12-21 18:27:40 -05:00

504 lines
13 KiB
TypeScript

import type { Axios } from "axios";
import { SSHCommand } from "../libs/patchCommander.js";
import type { PrintLine } from "../commands.js";
// https://stackoverflow.com/questions/37938504/what-is-the-best-way-to-find-all-items-are-deleted-inserted-from-original-arra
function difference(a: any[], b: any[]) {
return a.filter(x => b.indexOf(x) < 0);
}
type InboundConnectionSuccess = {
success: true;
data: {
ip: string;
port: number;
connectionDetails: {
sourceIP: string;
sourcePort: number;
destPort: number;
enabled: boolean;
};
}[];
};
type LookupCommandSuccess = {
success: true;
data: {
id: number;
name: string;
description: string;
sourceIP: string;
sourcePort: number;
destPort: number;
providerID: number;
autoStart: boolean;
}[];
};
export async function run(
argv: string[],
println: PrintLine,
axios: Axios,
token: string,
) {
if (argv.length == 1)
return println(
"error: no arguments specified! run %s --help to see commands.\n",
argv[0],
);
const program = new SSHCommand(println);
program.description("Manages connections for NextNet");
program.version("v1.0.0");
const addCommand = new SSHCommand(println, "add");
addCommand.description("Creates a new connection");
addCommand.argument(
"<backend_id>",
"The backend ID to use. Can be fetched by the command 'backend search'",
);
addCommand.argument("<name>", "The name for the tunnel");
addCommand.argument("<protocol>", "The protocol to use. Either TCP or UDP");
addCommand.argument(
"<source>",
"Source IP and port combo (ex. '192.168.0.63:25565'",
);
addCommand.argument("<dest_port>", "Destination port to use");
addCommand.option("-d, --description", "Description for the tunnel");
addCommand.action(
async (
providerIDStr: string,
name: string,
protocolRaw: string,
source: string,
destPortRaw: string,
options: {
description?: string;
},
) => {
const providerID = parseInt(providerIDStr);
if (Number.isNaN(providerID)) {
println("ID (%s) is not a number\n", providerIDStr);
return;
}
const protocol = protocolRaw.toLowerCase().trim();
if (protocol != "tcp" && protocol != "udp") {
return println("Protocol is not a valid option (not tcp or udp)\n");
}
const sourceSplit: string[] = source.split(":");
if (sourceSplit.length != 2) {
return println(
"Source could not be splitted down (are you missing the ':' in the source to specify port?)\n",
);
}
const sourceIP: string = sourceSplit[0];
const sourcePort: number = parseInt(sourceSplit[1]);
if (Number.isNaN(sourcePort)) {
return println("Port splitted is not a number\n");
}
const destinationPort: number = parseInt(destPortRaw);
if (Number.isNaN(destinationPort)) {
return println("Destination port could not be parsed into a number\n");
}
const response = await axios.post("/api/v1/forward/create", {
token,
name,
description: options.description,
protocol,
sourceIP,
sourcePort,
destinationPort,
providerID,
});
if (response.status != 200) {
if (process.env.NODE_ENV != "production") console.log(response);
if (response.data.error) {
println(`Error: ${response.data.error}\n`);
} else {
println("Error creating a connection!\n");
}
return;
}
println("Successfully created connection.\n");
},
);
const lookupCommand = new SSHCommand(println, "find");
lookupCommand.description(
"Looks up all connections based on the arguments you specify",
);
lookupCommand.option(
"-b, --backend-id <id>",
"The backend ID to use. Can be fetched by 'back find'",
);
lookupCommand.option("-n, --name <name>", "The name for the tunnel");
lookupCommand.option(
"-p, --protocol <protocol>",
"The protocol to use. Either TCP or UDP",
);
lookupCommand.option(
"-s <source>, --source",
"Source IP and port combo (ex. '192.168.0.63:25565'",
);
lookupCommand.option("-d, --dest-port <port>", "Destination port to use");
lookupCommand.option(
"-o, --description <description>",
"Description for the tunnel",
);
lookupCommand.action(
async (options: {
backendId?: string;
destPort?: string;
name?: string;
protocol?: string;
source?: string;
description?: string;
}) => {
let numberBackendID: number | undefined;
let sourceIP: string | undefined;
let sourcePort: number | undefined;
let destPort: number | undefined;
if (options.backendId) {
numberBackendID = parseInt(options.backendId);
if (Number.isNaN(numberBackendID)) {
println("ID (%s) is not a number\n", options.backendId);
return;
}
}
if (options.source) {
const sourceSplit: string[] = options.source.split(":");
if (sourceSplit.length != 2) {
return println(
"Source could not be splitted down (are you missing the ':' in the source to specify port?)\n",
);
}
sourceIP = sourceSplit[0];
sourcePort = parseInt(sourceSplit[1]);
if (Number.isNaN(sourcePort)) {
return println("Port splitted is not a number\n");
}
}
if (options.destPort) {
destPort = parseInt(options.destPort);
if (Number.isNaN(destPort)) {
println("ID (%s) is not a number\n", options.destPort);
return;
}
}
const response = await axios.post("/api/v1/forward/lookup", {
token,
name: options.name,
description: options.description,
protocol: options.protocol,
sourceIP,
sourcePort,
destinationPort: destPort,
});
if (response.status != 200) {
if (process.env.NODE_ENV != "production") console.log(response);
if (response.data.error) {
println(`Error: ${response.data.error}\n`);
} else {
println("Error requesting connections!\n");
}
return;
}
const { data }: LookupCommandSuccess = response.data;
for (const connection of data) {
println(
"ID: %s%s:\n",
connection.id,
connection.autoStart ? " (automatically starts)" : "",
);
println(" - Backend ID: %s\n", connection.providerID);
println(" - Name: %s\n", connection.name);
if (connection.description)
println(" - Description: %s\n", connection.description);
println(
" - Source: %s:%s\n",
connection.sourceIP,
connection.sourcePort,
);
println(" - Destination port: %s\n", connection.destPort);
println("\n");
}
println("%s connections found.\n", data.length);
},
);
const startTunnel = new SSHCommand(println, "start");
startTunnel.description("Starts a tunnel");
startTunnel.argument("<id>", "Tunnel ID to start");
startTunnel.action(async (idStr: string) => {
const id = parseInt(idStr);
if (Number.isNaN(id)) {
println("ID (%s) is not a number\n", idStr);
return;
}
const response = await axios.post("/api/v1/forward/start", {
token,
id,
});
if (response.status != 200) {
if (process.env.NODE_ENV != "production") console.log(response);
if (response.data.error) {
println(`Error: ${response.data.error}\n`);
} else {
println("Error starting the connection!\n");
}
return;
}
println("Successfully started tunnel.\n");
return;
});
const stopTunnel = new SSHCommand(println, "stop");
stopTunnel.description("Stops a tunnel");
stopTunnel.argument("<id>", "Tunnel ID to stop");
stopTunnel.action(async (idStr: string) => {
const id = parseInt(idStr);
if (Number.isNaN(id)) {
println("ID (%s) is not a number\n", idStr);
return;
}
const response = await axios.post("/api/v1/forward/stop", {
token,
id,
});
if (response.status != 200) {
if (process.env.NODE_ENV != "production") console.log(response);
if (response.data.error) {
println(`Error: ${response.data.error}\n`);
} else {
println("Error stopping a connection!\n");
}
return;
}
println("Successfully stopped tunnel.\n");
});
const getInbound = new SSHCommand(println, "get-inbound");
getInbound.description("Shows all current connections");
getInbound.argument("<id>", "Tunnel ID to view inbound connections of");
getInbound.option("-t, --tail", "Live-view of connection list");
getInbound.option(
"-s, --tail-pull-rate <ms>",
"Controls the speed to pull at (in ms)",
);
getInbound.action(
async (
idStr: string,
options: {
tail?: boolean;
tailPullRate?: string;
},
): Promise<void> => {
const pullRate: number = options.tailPullRate
? parseInt(options.tailPullRate)
: 2000;
const id = parseInt(idStr);
if (Number.isNaN(id)) {
println("ID (%s) is not a number\n", idStr);
return;
}
if (Number.isNaN(pullRate)) {
println("Pull rate is not a number\n");
return;
}
if (options.tail) {
let previousEntries: string[] = [];
// FIXME?
// eslint-disable-next-line no-constant-condition
while (true) {
const response = await axios.post("/api/v1/forward/connections", {
token,
id,
});
if (response.status != 200) {
if (process.env.NODE_ENV != "production") console.log(response);
if (response.data.error) {
println(`Error: ${response.data.error}\n`);
} else {
println("Error requesting inbound connections!\n");
}
return;
}
const { data }: InboundConnectionSuccess = response.data;
const simplifiedArray: string[] = data.map(i => `${i.ip}:${i.port}`);
const insertedItems: string[] = difference(
simplifiedArray,
previousEntries,
);
const removedItems: string[] = difference(
previousEntries,
simplifiedArray,
);
insertedItems.forEach(i => println("CONNECTED: %s\n", i));
removedItems.forEach(i => println("DISCONNECTED: %s\n", i));
previousEntries = simplifiedArray;
await new Promise(i => setTimeout(i, pullRate));
}
} else {
const response = await axios.post("/api/v1/forward/connections", {
token,
id,
});
if (response.status != 200) {
if (process.env.NODE_ENV != "production") console.log(response);
if (response.data.error) {
println(`Error: ${response.data.error}\n`);
} else {
println("Error requesting connections!\n");
}
return;
}
const { data }: InboundConnectionSuccess = response.data;
if (data.length == 0) {
println("There are currently no connected clients.\n");
return;
}
println(
"Connected clients (for source: %s:%s):\n",
data[0].connectionDetails.sourceIP,
data[0].connectionDetails.sourcePort,
);
for (const entry of data) {
println(" - %s:%s\n", entry.ip, entry.port);
}
}
},
);
const removeTunnel = new SSHCommand(println, "rm");
removeTunnel.description("Removes a tunnel");
removeTunnel.argument("<id>", "Tunnel ID to remove");
removeTunnel.action(async (idStr: string) => {
const id = parseInt(idStr);
if (Number.isNaN(id)) {
println("ID (%s) is not a number\n", idStr);
return;
}
const response = await axios.post("/api/v1/forward/remove", {
token,
id,
});
if (response.status != 200) {
if (process.env.NODE_ENV != "production") console.log(response);
if (response.data.error) {
println(`Error: ${response.data.error}\n`);
} else {
println("Error deleting connection!\n");
}
return;
}
println("Successfully deleted connection.\n");
});
program.addCommand(addCommand);
program.addCommand(lookupCommand);
program.addCommand(startTunnel);
program.addCommand(stopTunnel);
program.addCommand(getInbound);
program.addCommand(removeTunnel);
program.parse(argv);
await new Promise(resolve => program.onExit(resolve));
}