Bitburner-Scripts/servers/home/utils.ts

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// noinspection JSUnusedGlobalSymbols
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/**
* @file Utility functions for Bitburner
* @note Some functions are currently untested
*/
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import {NS} from "NetscriptDefinitions";
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/**
* Recursively scans all servers connected to the current server, excluding home
* @param ns global NS object
* @returns A list of all servers connected to the current server
*/
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export function recursiveScan(ns: NS) {
// Starting case
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let servers = ns.scan("home");
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// Add all servers to the list
let allServers: string[] = [];
while (servers.length > 0) {
let server = servers.shift();
if(server) {
let newServers = ns.scan(server);
for (let newServer of newServers) {
if (!allServers.includes(newServer)) {
allServers.push(newServer);
servers.push(newServer);
}
}
}
}
// Remove the current server
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allServers.splice(allServers.indexOf("home"), 1);
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// Print all servers
return allServers;
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}
/**
* Removes files passed in from all servers
* @param ns Global NS object
* @param files The files to remove
* @returns void
* @example Removes all files from the folder "no-ports" from all servers.
* removeFilesOnAllServers(ns, ns.ls("home", "no-ports"));
* @note ns.ls() returns the full path of every file, so if the file is not in the same place in every server,
* you will need to modify each file path to match the server you are removing it from.
*/
export function removeFilesOnAllServers(ns: NS, files: string[]) {
let hosts = recursiveScan(ns);
for(const host of hosts) {
for (const file of files) {
ns.rm(file, host)
}
}
}
/**
* Tries to gain root access to a server
* @param ns Global NS object
* @param server The server to gain root access to
* @returns The number of programs used to gain root access
*/
export function rootServer(ns: NS, server: string) {
let counter = 0;
if (ns.fileExists("BruteSSH.exe", "home")) {
ns.brutessh(server);
counter++;
}
if (ns.fileExists("FTPCrack.exe", "home")) {
ns.ftpcrack(server);
counter++;
}
if (ns.fileExists("SMTPCrack.exe", "home")) {
ns.relaysmtp(server);
counter++;
}
if (ns.fileExists("HTTPWorm.exe", "home")) {
ns.httpworm(server);
counter++;
}
if (ns.fileExists("SQLInject.exe", "home")) {
ns.sqlinject(server);
counter++;
}
ns.nuke(server)
return counter;
}
/**
* Performs a function on a server if the player is capable of doing so, otherwise returns false
* @param ns Global NS object
* @param server The server to perform the function on
* @param func The function to perform
* @param args The arguments to pass to the function
* @returns The result of the function if it is performed or true if the function does not return anything, otherwise false
*/
export function performFunctionIfCapable(ns: NS, server: string, func: CallableFunction, args: any[]) {
if (ns.getHackingLevel() < ns.getServerRequiredHackingLevel(server)) {
return false;
}
if (ns.getServerNumPortsRequired(server) < ns.getServer(server).openPortCount) {
if (rootServer(ns, server) < ns.getServerNumPortsRequired(server)) {
return false;
}
}
if (!ns.hasRootAccess(server)) {
return false;
}
let result = func(...args);
if (result === undefined) {
return true;
} else {
return result;
}
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}
/**
* Executes a script on a server from another server
* @param ns Global NS object
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* @param server The server to execute the script on
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* @param script The file path of the script to execute
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* @param threads The number of threads to use
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* @param args The arguments to pass to the script
*/
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export function executeScriptOnServerFromAnother(ns: NS, server: string, script: string, threads: number = 1, args: any[]) {
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ns.scp(script, server);
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performFunctionIfCapable(ns, server, ns.exec, [script, server, threads, ...args])
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ns.atExit(
() => {
ns.rm(script, server);
}
)
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}