forked from svrjs/svrjs
Lint out the codebase.
This commit is contained in:
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67fec5fe98
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519988fbdb
1 changed files with 146 additions and 73 deletions
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@ -3,108 +3,181 @@ const path = require("path");
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// Function to get URL path for use in forbidden path adding.
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function getInitializePath(to) {
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var cwd = process.cwd();
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if (os.platform() == "win32") {
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to = to.replace(/\//g, "\\");
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if (to[0] == "\\") to = cwd.split("\\")[0] + to;
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}
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var absoluteTo = path.isAbsolute(to) ? to : (__dirname + (os.platform() == "win32" ? "\\" : "/") + to);
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if (os.platform() == "win32" && cwd[0] != absoluteTo[0]) return "";
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var relative = path.relative(cwd, absoluteTo);
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if (os.platform() == "win32") {
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return "/" + relative.replace(/\\/g, "/");
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} else {
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return "/" + relative;
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}
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var cwd = process.cwd();
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if (os.platform() == "win32") {
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to = to.replace(/\//g, "\\");
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if (to[0] == "\\") to = cwd.split("\\")[0] + to;
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}
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// Function to check if URL path name is a forbidden path.
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function isForbiddenPath(decodedHref, match) {
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var forbiddenPath = forbiddenPaths[match];
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if (!forbiddenPath) return false;
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if (typeof forbiddenPath === "string") {
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return decodedHref === forbiddenPath || (os.platform() === "win32" && decodedHref.toLowerCase() === forbiddenPath.toLowerCase());
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}
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if (typeof forbiddenPath === "object") {
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return forbiddenPath.some(function (forbiddenPathSingle) {
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return (decodedHref === forbiddenPathSingle || (os.platform() === "win32" && decodedHref.toLowerCase() === forbiddenPathSingle.toLowerCase()));
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});
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}
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return false;
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var absoluteTo = path.isAbsolute(to)
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? to
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: __dirname + (os.platform() == "win32" ? "\\" : "/") + to;
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if (os.platform() == "win32" && cwd[0] != absoluteTo[0]) return "";
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var relative = path.relative(cwd, absoluteTo);
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if (os.platform() == "win32") {
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return "/" + relative.replace(/\\/g, "/");
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} else {
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return "/" + relative;
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}
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// Function to check if URL path name is index of one of defined forbidden paths.
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function isIndexOfForbiddenPath(decodedHref, match) {
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var forbiddenPath = forbiddenPaths[match];
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if (!forbiddenPath) return false;
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if (typeof forbiddenPath === "string") {
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return decodedHref === forbiddenPath || decodedHref.indexOf(forbiddenPath + "/") === 0 || (os.platform() === "win32" && (decodedHref.toLowerCase() === forbiddenPath.toLowerCase() || decodedHref.toLowerCase().indexOf(forbiddenPath.toLowerCase() + "/") === 0));
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}
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if (typeof forbiddenPath === "object") {
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return forbiddenPath.some(function (forbiddenPathSingle) {
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return (decodedHref === forbiddenPathSingle || decodedHref.indexOf(forbiddenPathSingle + "/") === 0 || (os.platform() === "win32" && (decodedHref.toLowerCase() === forbiddenPathSingle.toLowerCase() || decodedHref.toLowerCase().indexOf(forbiddenPathSingle.toLowerCase() + "/") === 0)));
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});
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}
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return false;
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}
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// Function to check if URL path name is a forbidden path.
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function isForbiddenPath(decodedHref, match) {
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var forbiddenPath = forbiddenPaths[match];
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if (!forbiddenPath) return false;
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if (typeof forbiddenPath === "string") {
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return (
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decodedHref === forbiddenPath ||
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(os.platform() === "win32" &&
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decodedHref.toLowerCase() === forbiddenPath.toLowerCase())
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);
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}
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// Set up forbidden paths
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var forbiddenPaths = {};
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forbiddenPaths.config = getInitializePath("./config.json");
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forbiddenPaths.certificates = [];
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if (process.serverConfig.secure) {
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forbiddenPaths.certificates.push(getInitializePath(configJSON.cert));
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forbiddenPaths.certificates.push(getInitializePath(configJSON.key));
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Object.keys(sni).forEach(function (sniHostName) {
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forbiddenPaths.certificates.push(getInitializePath(sni[sniHostName].cert));
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forbiddenPaths.certificates.push(getInitializePath(sni[sniHostName].key));
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if (typeof forbiddenPath === "object") {
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return forbiddenPath.some(function (forbiddenPathSingle) {
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return (
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decodedHref === forbiddenPathSingle ||
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(os.platform() === "win32" &&
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decodedHref.toLowerCase() === forbiddenPathSingle.toLowerCase())
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);
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});
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}
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forbiddenPaths.svrjs = getInitializePath("./" + ((__dirname[__dirname.length - 1] != "/") ? __filename.replace(__dirname + "/", "") : __filename.replace(__dirname, "")));
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forbiddenPaths.serverSideScripts = [];
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if (process.serverConfig.useWebRootServerSideScript) {
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forbiddenPaths.serverSideScripts.push("/serverSideScript.js");
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} else {
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forbiddenPaths.serverSideScripts.push(getInitializePath("./serverSideScript.js"));
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}
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forbiddenPaths.serverSideScriptDirectories = [];
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forbiddenPaths.serverSideScriptDirectories.push(getInitializePath("./node_modules"));
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forbiddenPaths.serverSideScriptDirectories.push(getInitializePath("./mods"));
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forbiddenPaths.temp = getInitializePath("./temp");
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forbiddenPaths.log = getInitializePath("./log");
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return false;
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}
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// Function to check if URL path name is index of one of defined forbidden paths.
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function isIndexOfForbiddenPath(decodedHref, match) {
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var forbiddenPath = forbiddenPaths[match];
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if (!forbiddenPath) return false;
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if (typeof forbiddenPath === "string") {
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return (
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decodedHref === forbiddenPath ||
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decodedHref.indexOf(forbiddenPath + "/") === 0 ||
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(os.platform() === "win32" &&
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(decodedHref.toLowerCase() === forbiddenPath.toLowerCase() ||
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decodedHref
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.toLowerCase()
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.indexOf(forbiddenPath.toLowerCase() + "/") === 0))
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);
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}
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if (typeof forbiddenPath === "object") {
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return forbiddenPath.some(function (forbiddenPathSingle) {
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return (
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decodedHref === forbiddenPathSingle ||
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decodedHref.indexOf(forbiddenPathSingle + "/") === 0 ||
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(os.platform() === "win32" &&
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(decodedHref.toLowerCase() === forbiddenPathSingle.toLowerCase() ||
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decodedHref
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.toLowerCase()
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.indexOf(forbiddenPathSingle.toLowerCase() + "/") === 0))
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);
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});
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}
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return false;
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}
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// Set up forbidden paths
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var forbiddenPaths = {};
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forbiddenPaths.config = getInitializePath("./config.json");
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forbiddenPaths.certificates = [];
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if (process.serverConfig.secure) {
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forbiddenPaths.certificates.push(
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getInitializePath(process.serverConfig.cert),
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);
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forbiddenPaths.certificates.push(getInitializePath(process.serverConfig.key));
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Object.keys(process.serverConfig.sni).forEach(function (sniHostname) {
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forbiddenPaths.certificates.push(
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getInitializePath(process.serverConfig.sni[sniHostname].cert),
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);
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forbiddenPaths.certificates.push(
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getInitializePath(process.serverConfig.sni[sniHostname].key),
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);
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});
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}
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forbiddenPaths.svrjs = getInitializePath(
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"./" +
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(__dirname[__dirname.length - 1] != "/"
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? __filename.replace(__dirname + "/", "")
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: __filename.replace(__dirname, "")),
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);
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forbiddenPaths.serverSideScripts = [];
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if (process.serverConfig.useWebRootServerSideScript) {
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forbiddenPaths.serverSideScripts.push("/serverSideScript.js");
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} else {
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forbiddenPaths.serverSideScripts.push(
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getInitializePath("./serverSideScript.js"),
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);
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}
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forbiddenPaths.serverSideScriptDirectories = [];
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forbiddenPaths.serverSideScriptDirectories.push(
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getInitializePath("./node_modules"),
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);
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forbiddenPaths.serverSideScriptDirectories.push(getInitializePath("./mods"));
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forbiddenPaths.temp = getInitializePath("./temp");
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forbiddenPaths.log = getInitializePath("./log");
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module.exports = (req, res, logFacilities, config, next) => {
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let decodedHrefWithoutDuplicateSlashes = "";
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try {
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decodedHrefWithoutDuplicateSlashes = decodeURIComponent(req.parsedURL.pathname).replace(/\/+/g,"/");
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decodedHrefWithoutDuplicateSlashes = decodeURIComponent(
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req.parsedURL.pathname,
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).replace(/\/+/g, "/");
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} catch (err) {
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res.error(400);
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}
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// Check if path is forbidden
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if ((isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "config") || isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "certificates")) && !req.isProxy) {
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if (
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(isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "config") ||
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isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "certificates")) &&
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!req.isProxy
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) {
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res.error(403);
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logFacilities.errmessage("Access to configuration file/certificates is denied.");
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logFacilities.errmessage(
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"Access to configuration file/certificates is denied.",
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);
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return;
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} else if (isIndexOfForbiddenPath(decodedHrefWithoutDuplicateSlashes, "temp") && !isProxy) {
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} else if (
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isIndexOfForbiddenPath(decodedHrefWithoutDuplicateSlashes, "temp") &&
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!req.isProxy
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) {
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res.error(403);
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logFacilities.errmessage("Access to temporary folder is denied.");
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return;
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} else if (isIndexOfForbiddenPath(decodedHrefWithoutDuplicateSlashes, "log") && !isProxy && (config.enableLogging || config.enableLogging == undefined) && !config.enableRemoteLogBrowsing) {
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} else if (
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isIndexOfForbiddenPath(decodedHrefWithoutDuplicateSlashes, "log") &&
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!req.isProxy &&
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(config.enableLogging || config.enableLogging == undefined) &&
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!config.enableRemoteLogBrowsing
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) {
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res.error(403);
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logFacilities.errmessage("Access to log files is denied.");
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return;
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} else if (isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "svrjs") && !isProxy && !exposeServerVersion) {
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} else if (
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isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "svrjs") &&
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!req.isProxy &&
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!config.exposeServerVersion
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) {
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res.error(403);
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logFacilities.errmessage("Access to SVR.JS script is denied.");
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return;
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} else if ((isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "svrjs") || isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "serverSideScripts") || isIndexOfForbiddenPath(decodedHrefWithoutDuplicateSlashes, "serverSideScriptDirectories")) && !isProxy && (config.disableServerSideScriptExpose || config.disableServerSideScriptExpose === undefined)) {
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} else if (
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(isForbiddenPath(decodedHrefWithoutDuplicateSlashes, "svrjs") ||
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isForbiddenPath(
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decodedHrefWithoutDuplicateSlashes,
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"serverSideScripts",
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) ||
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isIndexOfForbiddenPath(
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decodedHrefWithoutDuplicateSlashes,
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"serverSideScriptDirectories",
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)) &&
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!req.isProxy &&
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(config.disableServerSideScriptExpose ||
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config.disableServerSideScriptExpose === undefined)
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) {
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res.error(403);
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logFacilities.errmessage("Access to sources is denied.");
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return;
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}
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next();
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}
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};
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