forked from svrjs/svrjs
Move handlers to JavaScript files in handler directory.
This commit is contained in:
parent
e9e3bf5377
commit
60615cdb5a
3 changed files with 656 additions and 626 deletions
580
src/handlers/clientErrorHandler.js
Normal file
580
src/handlers/clientErrorHandler.js
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@ -0,0 +1,580 @@
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const fs = require("fs");
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const http = require("http");
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const generateErrorStack = require("../utils/generateErrorStack.js");
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const serverHTTPErrorDescs = require("../res/httpErrorDescriptions.js");
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const getOS = require("../utils/getOS.js");
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const generateServerString = require("../utils/generateServerString.js");
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let serverconsole = {};
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function clientErrorHandler(err, socket) {
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const config = Object.assign(process.serverConfig);
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config.generateServerString = () =>
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generateServerString(config.exposeServerVersion);
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// getCustomHeaders() in SVR.JS 3.x
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config.getCustomHeaders = () => Object.assign(config.customHeaders);
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// Prevent multiple error handlers from one request
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if (socket.__assigned__) {
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return;
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} else {
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socket.__assigned__ = true;
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}
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// Estimate fromMain from SVR.JS 3.x
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let fromMain = !(
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config.secure &&
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!socket.encrypted &&
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socket.localPort == config.sport
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);
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// Define response object similar to Node.JS native one
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let res = {
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socket: socket,
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write: (x) => {
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if (err.code === "ECONNRESET" || !socket.writable) {
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return;
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}
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socket.write(x);
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},
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end: (x) => {
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if (err.code === "ECONNRESET" || !socket.writable) {
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return;
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}
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socket.end(x, function () {
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try {
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socket.destroy();
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} catch (err) {
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// Socket is probably already destroyed
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}
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});
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},
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writeHead: (code, name, headers) => {
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if (code >= 400 && code <= 499) process.err4xxcounter++;
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if (code >= 500 && code <= 599) process.err5xxcounter++;
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let head = "HTTP/1.1 " + code.toString() + " " + name + "\r\n";
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headers = Object.assign(headers);
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headers["Date"] = new Date().toGMTString();
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headers["Connection"] = "close";
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Object.keys(headers).forEach(function (headername) {
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if (headername.toLowerCase() == "set-cookie") {
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headers[headername].forEach(function (headerValueS) {
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if (
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headername.match(/[^\x09\x20-\x7e\x80-\xff]|.:/) ||
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headerValueS.match(/[^\x09\x20-\x7e\x80-\xff]/)
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)
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throw new Error("Invalid header!!! (" + headername + ")");
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head += headername + ": " + headerValueS;
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});
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} else {
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if (
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headername.match(/[^\x09\x20-\x7e\x80-\xff]|.:/) ||
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headers[headername].match(/[^\x09\x20-\x7e\x80-\xff]/)
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)
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throw new Error("Invalid header!!! (" + headername + ")");
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head += headername + ": " + headers[headername];
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}
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head += "\r\n";
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});
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head += "\r\n";
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res.write(head);
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},
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};
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let reqIdInt = Math.floor(Math.random() * 16777216);
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if (reqIdInt == 16777216) reqIdInt = 0;
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let reqId =
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"0".repeat(6 - reqIdInt.toString(16).length) + reqIdInt.toString(16);
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// SVR.JS log facilities
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const logFacilities = {
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climessage: (msg) => serverconsole.climessage(msg, reqId),
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reqmessage: (msg) => serverconsole.reqmessage(msg, reqId),
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resmessage: (msg) => serverconsole.resmessage(msg, reqId),
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errmessage: (msg) => serverconsole.errmessage(msg, reqId),
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locerrmessage: (msg) => serverconsole.locerrmessage(msg, reqId),
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locwarnmessage: (msg) => serverconsole.locwarnmessage(msg, reqId),
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locmessage: (msg) => serverconsole.locmessage(msg, reqId),
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};
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socket.on("close", function (hasError) {
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if (
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!hasError ||
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err.code == "ERR_SSL_HTTP_REQUEST" ||
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err.message.indexOf("http request") != -1
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)
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logFacilities.locmessage("Client disconnected.");
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else logFacilities.locmessage("Client disconnected due to error.");
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});
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socket.on("error", function () {});
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// Header and footer placeholders
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let head = "";
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let foot = "";
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const responseEnd = (body) => {
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// If body is Buffer, then it is converted to String anyway.
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res.write(head + body + foot);
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res.end();
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};
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// Server error calling method
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const callServerError = (errorCode, extName, stack, ch) => {
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if (typeof errorCode !== "number") {
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throw new TypeError("HTTP error code parameter needs to be an integer.");
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}
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// Handle optional parameters
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if (extName && typeof extName === "object") {
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ch = stack;
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stack = extName;
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extName = undefined;
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} else if (
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typeof extName !== "string" &&
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extName !== null &&
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extName !== undefined
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) {
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throw new TypeError("Extension name parameter needs to be a string.");
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}
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if (
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stack &&
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typeof stack === "object" &&
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Object.prototype.toString.call(stack) !== "[object Error]"
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) {
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ch = stack;
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stack = undefined;
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} else if (
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typeof stack !== "object" &&
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typeof stack !== "string" &&
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stack
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) {
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throw new TypeError(
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"Error stack parameter needs to be either a string or an instance of Error object.",
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);
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}
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// Determine error file
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const getErrorFileName = (list, callback, _i) => {
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if (
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err.code == "ERR_SSL_HTTP_REQUEST" &&
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process.version &&
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parseInt(process.version.split(".")[0].substring(1)) >= 16
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) {
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// Disable custom error page for HTTP SSL error
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callback(errorCode.toString() + ".html");
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return;
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}
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const medCallback = (p) => {
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if (p) callback(p);
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else {
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if (errorCode == 404) {
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fs.access(config.page404, fs.constants.F_OK, function (err) {
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if (err) {
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fs.access(
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"." + errorCode.toString(),
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fs.constants.F_OK,
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function (err) {
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try {
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if (err) {
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callback(errorCode.toString() + ".html");
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} else {
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callback("." + errorCode.toString());
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}
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} catch (err2) {
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callServerError(500, err2);
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}
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},
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);
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} else {
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try {
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callback(config.page404);
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} catch (err2) {
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callServerError(500, err2);
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}
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}
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});
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} else {
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fs.access(
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"." + errorCode.toString(),
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fs.constants.F_OK,
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function (err) {
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try {
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if (err) {
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callback(errorCode.toString() + ".html");
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} else {
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callback("." + errorCode.toString());
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}
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} catch (err2) {
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callServerError(500, err2);
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}
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},
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);
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}
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}
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};
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if (!_i) _i = 0;
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if (_i >= list.length) {
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medCallback(false);
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return;
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}
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if (list[_i].scode != errorCode) {
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getErrorFileName(list, callback, _i + 1);
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return;
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} else {
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fs.access(list[_i].path, fs.constants.F_OK, function (err) {
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if (err) {
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getErrorFileName(list, callback, _i + 1);
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} else {
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medCallback(list[_i].path);
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}
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});
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}
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};
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getErrorFileName(config.errorPages, function (errorFile) {
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if (Object.prototype.toString.call(stack) === "[object Error]")
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stack = generateErrorStack(stack);
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if (stack === undefined)
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stack = generateErrorStack(new Error("Unknown error"));
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if (errorCode == 500 || errorCode == 502) {
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logFacilities.errmessage(
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"There was an error while processing the request!",
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);
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logFacilities.errmessage("Stack:");
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logFacilities.errmessage(stack);
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}
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if (config.stackHidden) stack = "[error stack hidden]";
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if (serverHTTPErrorDescs[errorCode] === undefined) {
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callServerError(501, extName, stack);
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} else {
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let cheaders = { ...config.getCustomHeaders(), ...ch };
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cheaders["Content-Type"] = "text/html; charset=utf-8";
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if (errorCode == 405 && !cheaders["Allow"])
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cheaders["Allow"] = "GET, POST, HEAD, OPTIONS";
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if (
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err.code == "ERR_SSL_HTTP_REQUEST" &&
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process.version &&
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parseInt(process.version.split(".")[0].substring(1)) >= 16
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) {
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// Disable custom error page for HTTP SSL error
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res.writeHead(errorCode, http.STATUS_CODES[errorCode], cheaders);
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res.write(
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'<!DOCTYPE html><html><head><title>{errorMessage}</title><meta name="viewport" content="width=device-width, initial-scale=1.0" /><style>html{background-color:#dfffdf;color:#000000;font-family:FreeSans, Helvetica, Tahoma, Verdana, Arial, sans-serif;margin:0.75em}body{background-color:#ffffff;padding:0.5em 0.5em 0.1em;margin:0.5em auto;width:90%;max-width:800px;-webkit-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15)}h1{text-align:center;font-size:2.25em;margin:0.3em 0 0.5em}code{background-color:#dfffdf;-webkit-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);display:block;padding:0.2em;font-family:"DejaVu Sans Mono", "Bitstream Vera Sans Mono", Hack, Menlo, Consolas, Monaco, monospace;font-size:0.85em;margin:auto;width:95%;max-width:600px}table{width:95%;border-collapse:collapse;margin:auto;overflow-wrap:break-word;word-wrap:break-word;word-break:break-all;word-break:break-word;position:relative;z-index:0}table tbody{background-color:#ffffff;color:#000000}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);content:\' \';position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1}table img{margin:0;display:inline}th,tr{padding:0.15em;text-align:center}th{background-color:#007000;color:#ffffff}th a{color:#ffffff}td,th{padding:0.225em}td{text-align:left}tr:nth-child(odd){background-color:#dfffdf}hr{color:#ffffff}@media screen and (prefers-color-scheme: dark){html{background-color:#002000;color:#ffffff}body{background-color:#000f00;-webkit-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15)}code{background-color:#002000;-webkit-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1)}a{color:#ffffff}a:hover{color:#00ff00}table tbody{background-color:#000f00;color:#ffffff}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175)}tr:nth-child(odd){background-color:#002000}}</style></head><body><h1>{errorMessage}</h1><p>{errorDesc}</p><p><i>{server}</i></p></body></html>'
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.replace(
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/{errorMessage}/g,
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errorCode.toString() +
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" " +
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http.STATUS_CODES[errorCode]
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">"),
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)
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.replace(/{errorDesc}/g, serverHTTPErrorDescs[errorCode])
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.replace(
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/{stack}/g,
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stack
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/\r\n/g, "<br/>")
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.replace(/\n/g, "<br/>")
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.replace(/\r/g, "<br/>")
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.replace(/ {2}/g, " "),
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)
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.replace(
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/{server}/g,
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"" +
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(
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config.generateServerString() +
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(!config.exposeModsInErrorPages || extName == undefined
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? ""
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: " " + extName)
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)
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">"),
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)
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.replace(
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/{contact}/g,
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config.serverAdministratorEmail
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/\./g, "[dot]")
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.replace(/@/g, "[at]"),
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),
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);
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res.end();
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} else {
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fs.readFile(errorFile, function (err, data) {
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|
try {
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|
if (err) throw err;
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res.writeHead(errorCode, http.STATUS_CODES[errorCode], cheaders);
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responseEnd(
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data
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.toString()
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.replace(
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/{errorMessage}/g,
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errorCode.toString() +
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" " +
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http.STATUS_CODES[errorCode]
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">"),
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)
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.replace(/{errorDesc}/g, serverHTTPErrorDescs[errorCode])
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.replace(
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/{stack}/g,
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|
stack
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/\r\n/g, "<br/>")
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.replace(/\n/g, "<br/>")
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.replace(/\r/g, "<br/>")
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.replace(/ {2}/g, " "),
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)
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.replace(
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/{server}/g,
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|
"" +
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|
(
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|
config.generateServerString() +
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(!config.exposeModsInErrorPages || extName == undefined
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|
? ""
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|
: " " + extName)
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)
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.replace(/&/g, "&")
|
||||||
|
.replace(/</g, "<")
|
||||||
|
.replace(/>/g, ">"),
|
||||||
|
)
|
||||||
|
.replace(
|
||||||
|
/{contact}/g,
|
||||||
|
config.serverAdministratorEmail
|
||||||
|
.replace(/&/g, "&")
|
||||||
|
.replace(/</g, "<")
|
||||||
|
.replace(/>/g, ">")
|
||||||
|
.replace(/\./g, "[dot]")
|
||||||
|
.replace(/@/g, "[at]"),
|
||||||
|
),
|
||||||
|
);
|
||||||
|
} catch (err) {
|
||||||
|
let additionalError = 500;
|
||||||
|
if (err.code == "ENOENT") {
|
||||||
|
additionalError = 404;
|
||||||
|
} else if (err.code == "ENOTDIR") {
|
||||||
|
additionalError = 404; // Assume that file doesn't exist
|
||||||
|
} else if (err.code == "EACCES") {
|
||||||
|
additionalError = 403;
|
||||||
|
} else if (err.code == "ENAMETOOLONG") {
|
||||||
|
additionalError = 414;
|
||||||
|
} else if (err.code == "EMFILE") {
|
||||||
|
additionalError = 503;
|
||||||
|
} else if (err.code == "ELOOP") {
|
||||||
|
additionalError = 508;
|
||||||
|
}
|
||||||
|
res.writeHead(errorCode, http.STATUS_CODES[errorCode], cheaders);
|
||||||
|
res.write(
|
||||||
|
(
|
||||||
|
'<!DOCTYPE html><html><head><title>{errorMessage}</title><meta name="viewport" content="width=device-width, initial-scale=1.0" /><style>html{background-color:#dfffdf;color:#000000;font-family:FreeSans, Helvetica, Tahoma, Verdana, Arial, sans-serif;margin:0.75em}body{background-color:#ffffff;padding:0.5em 0.5em 0.1em;margin:0.5em auto;width:90%;max-width:800px;-webkit-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15)}h1{text-align:center;font-size:2.25em;margin:0.3em 0 0.5em}code{background-color:#dfffdf;-webkit-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);display:block;padding:0.2em;font-family:"DejaVu Sans Mono", "Bitstream Vera Sans Mono", Hack, Menlo, Consolas, Monaco, monospace;font-size:0.85em;margin:auto;width:95%;max-width:600px}table{width:95%;border-collapse:collapse;margin:auto;overflow-wrap:break-word;word-wrap:break-word;word-break:break-all;word-break:break-word;position:relative;z-index:0}table tbody{background-color:#ffffff;color:#000000}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);content:\' \';position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1}table img{margin:0;display:inline}th,tr{padding:0.15em;text-align:center}th{background-color:#007000;color:#ffffff}th a{color:#ffffff}td,th{padding:0.225em}td{text-align:left}tr:nth-child(odd){background-color:#dfffdf}hr{color:#ffffff}@media screen and (prefers-color-scheme: dark){html{background-color:#002000;color:#ffffff}body{background-color:#000f00;-webkit-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15)}code{background-color:#002000;-webkit-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1)}a{color:#ffffff}a:hover{color:#00ff00}table tbody{background-color:#000f00;color:#ffffff}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175)}tr:nth-child(odd){background-color:#002000}}</style></head><body><h1>{errorMessage}</h1><p>{errorDesc}</p>' +
|
||||||
|
(additionalError == 404
|
||||||
|
? ""
|
||||||
|
: "<p>Additionally, a {additionalError} error occurred while loading an error page.</p>") +
|
||||||
|
"<p><i>{server}</i></p></body></html>"
|
||||||
|
)
|
||||||
|
.replace(
|
||||||
|
/{errorMessage}/g,
|
||||||
|
errorCode.toString() +
|
||||||
|
" " +
|
||||||
|
http.STATUS_CODES[errorCode]
|
||||||
|
.replace(/&/g, "&")
|
||||||
|
.replace(/</g, "<")
|
||||||
|
.replace(/>/g, ">"),
|
||||||
|
)
|
||||||
|
.replace(/{errorDesc}/g, serverHTTPErrorDescs[errorCode])
|
||||||
|
.replace(
|
||||||
|
/{stack}/g,
|
||||||
|
stack
|
||||||
|
.replace(/&/g, "&")
|
||||||
|
.replace(/</g, "<")
|
||||||
|
.replace(/>/g, ">")
|
||||||
|
.replace(/\r\n/g, "<br/>")
|
||||||
|
.replace(/\n/g, "<br/>")
|
||||||
|
.replace(/\r/g, "<br/>")
|
||||||
|
.replace(/ {2}/g, " "),
|
||||||
|
)
|
||||||
|
.replace(
|
||||||
|
/{server}/g,
|
||||||
|
(config.generateServerString() +
|
||||||
|
(config.exposeModsInErrorPages || extName == undefined)
|
||||||
|
? ""
|
||||||
|
: " " + extName
|
||||||
|
)
|
||||||
|
.replace(/&/g, "&")
|
||||||
|
.replace(/</g, "<")
|
||||||
|
.replace(/>/g, ">"),
|
||||||
|
)
|
||||||
|
.replace(
|
||||||
|
/{contact}/g,
|
||||||
|
config.serverAdministratorEmail
|
||||||
|
.replace(/&/g, "&")
|
||||||
|
.replace(/</g, "<")
|
||||||
|
.replace(/>/g, ">")
|
||||||
|
.replace(/\./g, "[dot]")
|
||||||
|
.replace(/@/g, "[at]"),
|
||||||
|
)
|
||||||
|
.replace(/{additionalError}/g, additionalError.toString()),
|
||||||
|
);
|
||||||
|
res.end();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
});
|
||||||
|
};
|
||||||
|
let reqip = socket.remoteAddress;
|
||||||
|
let reqport = socket.remotePort;
|
||||||
|
process.reqcounter++;
|
||||||
|
process.malformedcounter++;
|
||||||
|
logFacilities.locmessage(
|
||||||
|
"Somebody connected to " +
|
||||||
|
(config.secure && fromMain
|
||||||
|
? (typeof config.sport == "number" ? "port " : "socket ") + config.sport
|
||||||
|
: (typeof config.port == "number" ? "port " : "socket ") +
|
||||||
|
config.port) +
|
||||||
|
"...",
|
||||||
|
);
|
||||||
|
logFacilities.reqmessage(
|
||||||
|
"Client " +
|
||||||
|
(!reqip || reqip == ""
|
||||||
|
? "[unknown client]"
|
||||||
|
: reqip +
|
||||||
|
(reqport && reqport !== 0 && reqport != "" ? ":" + reqport : "")) +
|
||||||
|
" sent invalid request.",
|
||||||
|
);
|
||||||
|
try {
|
||||||
|
head = fs.existsSync("./.head")
|
||||||
|
? fs.readFileSync("./.head").toString()
|
||||||
|
: fs.existsSync("./head.html")
|
||||||
|
? fs.readFileSync("./head.html").toString()
|
||||||
|
: ""; // header
|
||||||
|
foot = fs.existsSync("./.foot")
|
||||||
|
? fs.readFileSync("./.foot").toString()
|
||||||
|
: fs.existsSync("./foot.html")
|
||||||
|
? fs.readFileSync("./foot.html").toString()
|
||||||
|
: ""; // footer
|
||||||
|
|
||||||
|
if (
|
||||||
|
(err.code &&
|
||||||
|
(err.code.indexOf("ERR_SSL_") == 0 ||
|
||||||
|
err.code.indexOf("ERR_TLS_") == 0)) ||
|
||||||
|
(!err.code && err.message.indexOf("SSL routines") != -1)
|
||||||
|
) {
|
||||||
|
if (
|
||||||
|
err.code == "ERR_SSL_HTTP_REQUEST" ||
|
||||||
|
err.message.indexOf("http request") != -1
|
||||||
|
) {
|
||||||
|
logFacilities.errmessage("Client sent HTTP request to HTTPS port.");
|
||||||
|
callServerError(497);
|
||||||
|
return;
|
||||||
|
} else {
|
||||||
|
logFacilities.errmessage(
|
||||||
|
"An SSL error occured: " + (err.code ? err.code : err.message),
|
||||||
|
);
|
||||||
|
callServerError(400);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (err.code && err.code.indexOf("ERR_HTTP2_") == 0) {
|
||||||
|
logFacilities.errmessage("An HTTP/2 error occured: " + err.code);
|
||||||
|
callServerError(400);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (err.code && err.code == "ERR_HTTP_REQUEST_TIMEOUT") {
|
||||||
|
logFacilities.errmessage("Client timed out.");
|
||||||
|
callServerError(408);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!err.rawPacket) {
|
||||||
|
logFacilities.errmessage("Connection ended prematurely.");
|
||||||
|
callServerError(400);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
const packetLines = err.rawPacket.toString().split("\r\n");
|
||||||
|
if (packetLines.length == 0) {
|
||||||
|
logFacilities.errmessage("Invalid request.");
|
||||||
|
callServerError(400);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
const checkHeaders = (beginsFromFirst) => {
|
||||||
|
for (let i = beginsFromFirst ? 0 : 1; i < packetLines.length; i++) {
|
||||||
|
const header = packetLines[i];
|
||||||
|
if (header == "")
|
||||||
|
return false; // Beginning of body
|
||||||
|
else if (header.indexOf(":") < 1) {
|
||||||
|
logFacilities.errmessage("Invalid header.");
|
||||||
|
callServerError(400);
|
||||||
|
return true;
|
||||||
|
} else if (header.length > 8192) {
|
||||||
|
logFacilities.errmessage("Header too large.");
|
||||||
|
callServerError(431); // Headers too large
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
};
|
||||||
|
const packetLine1 = packetLines[0].split(" ");
|
||||||
|
let method = "GET";
|
||||||
|
let httpVersion = "HTTP/1.1";
|
||||||
|
if (String(packetLine1[0]).indexOf(":") > 0) {
|
||||||
|
if (!checkHeaders(true)) {
|
||||||
|
logFacilities.errmessage(
|
||||||
|
"The request is invalid (it may be a part of larger invalid request).",
|
||||||
|
);
|
||||||
|
callServerError(400); // Also malformed Packet
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (String(packetLine1[0]).length < 50) method = packetLine1.shift();
|
||||||
|
if (String(packetLine1[packetLine1.length - 1]).length < 50)
|
||||||
|
httpVersion = packetLine1.pop();
|
||||||
|
if (packetLine1.length != 1) {
|
||||||
|
logFacilities.errmessage("The head of request is invalid.");
|
||||||
|
callServerError(400); // Malformed Packet
|
||||||
|
} else if (!httpVersion.toString().match(/^HTTP[\/]/i)) {
|
||||||
|
logFacilities.errmessage("Invalid protocol.");
|
||||||
|
callServerError(400); // bad protocol version
|
||||||
|
} else if (http.METHODS.indexOf(method) == -1) {
|
||||||
|
logFacilities.errmessage("Invalid method.");
|
||||||
|
callServerError(405); // Also malformed Packet
|
||||||
|
} else {
|
||||||
|
if (checkHeaders(false)) return;
|
||||||
|
if (packetLine1[0].length > 255) {
|
||||||
|
logFacilities.errmessage("URI too long.");
|
||||||
|
callServerError(414); // Also malformed Packet
|
||||||
|
} else {
|
||||||
|
logFacilities.errmessage("The request is invalid.");
|
||||||
|
callServerError(400); // Also malformed Packet
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} catch (err) {
|
||||||
|
logFacilities.errmessage(
|
||||||
|
"There was an error while determining type of malformed request.",
|
||||||
|
);
|
||||||
|
callServerError(400);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
module.exports = (serverconsoleO) => {
|
||||||
|
serverconsole = serverconsoleO;
|
||||||
|
return clientErrorHandler;
|
||||||
|
};
|
||||||
66
src/handlers/requestHandler.js
Normal file
66
src/handlers/requestHandler.js
Normal file
|
|
@ -0,0 +1,66 @@
|
||||||
|
const generateServerString = require("../utils/generateServerString.js");
|
||||||
|
let serverconsole = {};
|
||||||
|
let middleware = [];
|
||||||
|
|
||||||
|
function requestHandler(req, res) {
|
||||||
|
let reqIdInt = Math.floor(Math.random() * 16777216);
|
||||||
|
if (reqIdInt == 16777216) reqIdInt = 0;
|
||||||
|
const reqId =
|
||||||
|
"0".repeat(6 - reqIdInt.toString(16).length) + reqIdInt.toString(16);
|
||||||
|
|
||||||
|
// SVR.JS log facilities
|
||||||
|
const logFacilities = {
|
||||||
|
climessage: (msg) => serverconsole.climessage(msg, reqId),
|
||||||
|
reqmessage: (msg) => serverconsole.reqmessage(msg, reqId),
|
||||||
|
resmessage: (msg) => serverconsole.resmessage(msg, reqId),
|
||||||
|
errmessage: (msg) => serverconsole.errmessage(msg, reqId),
|
||||||
|
locerrmessage: (msg) => serverconsole.locerrmessage(msg, reqId),
|
||||||
|
locwarnmessage: (msg) => serverconsole.locwarnmessage(msg, reqId),
|
||||||
|
locmessage: (msg) => serverconsole.locmessage(msg, reqId),
|
||||||
|
};
|
||||||
|
|
||||||
|
// SVR.JS configuration object (modified)
|
||||||
|
const config = Object.assign(process.serverConfig);
|
||||||
|
|
||||||
|
let index = 0;
|
||||||
|
|
||||||
|
// Call the next middleware function
|
||||||
|
const next = () => {
|
||||||
|
const currentMiddleware = middleware[index++];
|
||||||
|
if (currentMiddleware) {
|
||||||
|
try {
|
||||||
|
currentMiddleware(req, res, logFacilities, config, next);
|
||||||
|
} catch (err) {
|
||||||
|
if (res.error) res.error(500, err);
|
||||||
|
else {
|
||||||
|
logFacilities.errmessage(
|
||||||
|
"There was an error while processing the request!",
|
||||||
|
);
|
||||||
|
logFacilities.errmessage("Stack:");
|
||||||
|
logFacilities.errmessage(err.stack);
|
||||||
|
res.writeHead(500, "Internal Server Error", {
|
||||||
|
Server: generateServerString(config.exposeServerVersion),
|
||||||
|
});
|
||||||
|
res.end("Error while executing the request handler");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if (res.error) res.error(404);
|
||||||
|
else {
|
||||||
|
res.writeHead(404, "Not Found", {
|
||||||
|
Server: generateServerString(config.exposeServerVersion),
|
||||||
|
});
|
||||||
|
res.end("Request handler missing");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// Handle middleware
|
||||||
|
next();
|
||||||
|
}
|
||||||
|
|
||||||
|
module.exports = (serverconsoleO, middlewareO) => {
|
||||||
|
serverconsole = serverconsoleO;
|
||||||
|
middleware = middlewareO;
|
||||||
|
return requestHandler;
|
||||||
|
};
|
||||||
632
src/index.js
632
src/index.js
|
|
@ -117,9 +117,9 @@ if (!fs.existsSync(process.dirname + "/temp"))
|
||||||
fs.mkdirSync(process.dirname + "/temp");
|
fs.mkdirSync(process.dirname + "/temp");
|
||||||
|
|
||||||
const cluster = require("./utils/clusterBunShim.js"); // Cluster module with shim for Bun
|
const cluster = require("./utils/clusterBunShim.js"); // Cluster module with shim for Bun
|
||||||
const generateErrorStack = require("./utils/generateErrorStack.js");
|
//const generateErrorStack = require("./utils/generateErrorStack.js");
|
||||||
const serverHTTPErrorDescs = require("../res/httpErrorDescriptions.js");
|
//const serverHTTPErrorDescs = require("../res/httpErrorDescriptions.js");
|
||||||
const getOS = require("./utils/getOS.js");
|
//const getOS = require("./utils/getOS.js");
|
||||||
//const parseURL = require("./utils/urlParser.js");
|
//const parseURL = require("./utils/urlParser.js");
|
||||||
//const fixNodeMojibakeURL = require("./utils/urlMojibakeFixer.js");
|
//const fixNodeMojibakeURL = require("./utils/urlMojibakeFixer.js");
|
||||||
|
|
||||||
|
|
@ -299,630 +299,14 @@ function addMiddleware(mw) {
|
||||||
middleware.push(mw);
|
middleware.push(mw);
|
||||||
}
|
}
|
||||||
|
|
||||||
function requestHandler(req, res) {
|
const requestHandler = require("./handlers/requestHandler.js")(
|
||||||
let reqIdInt = Math.floor(Math.random() * 16777216);
|
serverconsole,
|
||||||
if (reqIdInt == 16777216) reqIdInt = 0;
|
middleware,
|
||||||
const reqId =
|
|
||||||
"0".repeat(6 - reqIdInt.toString(16).length) + reqIdInt.toString(16);
|
|
||||||
|
|
||||||
// SVR.JS log facilities
|
|
||||||
const logFacilities = {
|
|
||||||
climessage: (msg) => serverconsole.climessage(msg, reqId),
|
|
||||||
reqmessage: (msg) => serverconsole.reqmessage(msg, reqId),
|
|
||||||
resmessage: (msg) => serverconsole.resmessage(msg, reqId),
|
|
||||||
errmessage: (msg) => serverconsole.errmessage(msg, reqId),
|
|
||||||
locerrmessage: (msg) => serverconsole.locerrmessage(msg, reqId),
|
|
||||||
locwarnmessage: (msg) => serverconsole.locwarnmessage(msg, reqId),
|
|
||||||
locmessage: (msg) => serverconsole.locmessage(msg, reqId),
|
|
||||||
};
|
|
||||||
|
|
||||||
// SVR.JS configuration object (modified)
|
|
||||||
const config = Object.assign(process.serverConfig);
|
|
||||||
|
|
||||||
let index = 0;
|
|
||||||
|
|
||||||
// Call the next middleware function
|
|
||||||
const next = () => {
|
|
||||||
const currentMiddleware = middleware[index++];
|
|
||||||
if (currentMiddleware) {
|
|
||||||
try {
|
|
||||||
currentMiddleware(req, res, logFacilities, config, next);
|
|
||||||
} catch (err) {
|
|
||||||
if (res.error) res.error(500, err);
|
|
||||||
else {
|
|
||||||
logFacilities.errmessage(
|
|
||||||
"There was an error while processing the request!",
|
|
||||||
);
|
|
||||||
logFacilities.errmessage("Stack:");
|
|
||||||
logFacilities.errmessage(err.stack);
|
|
||||||
res.writeHead(500, "Internal Server Error", {
|
|
||||||
Server: generateServerString(config.exposeServerVersion),
|
|
||||||
});
|
|
||||||
res.end("Error while executing the request handler");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
if (res.error) res.error(404);
|
|
||||||
else {
|
|
||||||
res.writeHead(404, "Not Found", {
|
|
||||||
Server: generateServerString(config.exposeServerVersion),
|
|
||||||
});
|
|
||||||
res.end("Request handler missing");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
// Handle middleware
|
|
||||||
next();
|
|
||||||
}
|
|
||||||
|
|
||||||
function clientErrorHandler(err, socket) {
|
|
||||||
const config = Object.assign(process.serverConfig);
|
|
||||||
|
|
||||||
config.generateServerString = () =>
|
|
||||||
generateServerString(config.exposeServerVersion);
|
|
||||||
|
|
||||||
// getCustomHeaders() in SVR.JS 3.x
|
|
||||||
config.getCustomHeaders = () => Object.assign(config.customHeaders);
|
|
||||||
|
|
||||||
// Prevent multiple error handlers from one request
|
|
||||||
if (socket.__assigned__) {
|
|
||||||
return;
|
|
||||||
} else {
|
|
||||||
socket.__assigned__ = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Estimate fromMain from SVR.JS 3.x
|
|
||||||
let fromMain = !(
|
|
||||||
config.secure &&
|
|
||||||
!socket.encrypted &&
|
|
||||||
socket.localPort == config.sport
|
|
||||||
);
|
);
|
||||||
|
|
||||||
// Define response object similar to Node.JS native one
|
const clientErrorHandler = require("./handlers/clientErrorHandler.js")(
|
||||||
let res = {
|
serverconsole,
|
||||||
socket: socket,
|
|
||||||
write: (x) => {
|
|
||||||
if (err.code === "ECONNRESET" || !socket.writable) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
socket.write(x);
|
|
||||||
},
|
|
||||||
end: (x) => {
|
|
||||||
if (err.code === "ECONNRESET" || !socket.writable) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
socket.end(x, function () {
|
|
||||||
try {
|
|
||||||
socket.destroy();
|
|
||||||
} catch (err) {
|
|
||||||
// Socket is probably already destroyed
|
|
||||||
}
|
|
||||||
});
|
|
||||||
},
|
|
||||||
writeHead: (code, name, headers) => {
|
|
||||||
if (code >= 400 && code <= 499) process.err4xxcounter++;
|
|
||||||
if (code >= 500 && code <= 599) process.err5xxcounter++;
|
|
||||||
let head = "HTTP/1.1 " + code.toString() + " " + name + "\r\n";
|
|
||||||
headers = Object.assign(headers);
|
|
||||||
headers["Date"] = new Date().toGMTString();
|
|
||||||
headers["Connection"] = "close";
|
|
||||||
Object.keys(headers).forEach(function (headername) {
|
|
||||||
if (headername.toLowerCase() == "set-cookie") {
|
|
||||||
headers[headername].forEach(function (headerValueS) {
|
|
||||||
if (
|
|
||||||
headername.match(/[^\x09\x20-\x7e\x80-\xff]|.:/) ||
|
|
||||||
headerValueS.match(/[^\x09\x20-\x7e\x80-\xff]/)
|
|
||||||
)
|
|
||||||
throw new Error("Invalid header!!! (" + headername + ")");
|
|
||||||
head += headername + ": " + headerValueS;
|
|
||||||
});
|
|
||||||
} else {
|
|
||||||
if (
|
|
||||||
headername.match(/[^\x09\x20-\x7e\x80-\xff]|.:/) ||
|
|
||||||
headers[headername].match(/[^\x09\x20-\x7e\x80-\xff]/)
|
|
||||||
)
|
|
||||||
throw new Error("Invalid header!!! (" + headername + ")");
|
|
||||||
head += headername + ": " + headers[headername];
|
|
||||||
}
|
|
||||||
head += "\r\n";
|
|
||||||
});
|
|
||||||
head += "\r\n";
|
|
||||||
res.write(head);
|
|
||||||
},
|
|
||||||
};
|
|
||||||
|
|
||||||
let reqIdInt = Math.floor(Math.random() * 16777216);
|
|
||||||
if (reqIdInt == 16777216) reqIdInt = 0;
|
|
||||||
let reqId =
|
|
||||||
"0".repeat(6 - reqIdInt.toString(16).length) + reqIdInt.toString(16);
|
|
||||||
|
|
||||||
// SVR.JS log facilities
|
|
||||||
const logFacilities = {
|
|
||||||
climessage: (msg) => serverconsole.climessage(msg, reqId),
|
|
||||||
reqmessage: (msg) => serverconsole.reqmessage(msg, reqId),
|
|
||||||
resmessage: (msg) => serverconsole.resmessage(msg, reqId),
|
|
||||||
errmessage: (msg) => serverconsole.errmessage(msg, reqId),
|
|
||||||
locerrmessage: (msg) => serverconsole.locerrmessage(msg, reqId),
|
|
||||||
locwarnmessage: (msg) => serverconsole.locwarnmessage(msg, reqId),
|
|
||||||
locmessage: (msg) => serverconsole.locmessage(msg, reqId),
|
|
||||||
};
|
|
||||||
|
|
||||||
socket.on("close", function (hasError) {
|
|
||||||
if (
|
|
||||||
!hasError ||
|
|
||||||
err.code == "ERR_SSL_HTTP_REQUEST" ||
|
|
||||||
err.message.indexOf("http request") != -1
|
|
||||||
)
|
|
||||||
logFacilities.locmessage("Client disconnected.");
|
|
||||||
else logFacilities.locmessage("Client disconnected due to error.");
|
|
||||||
});
|
|
||||||
socket.on("error", function () {});
|
|
||||||
|
|
||||||
// Header and footer placeholders
|
|
||||||
let head = "";
|
|
||||||
let foot = "";
|
|
||||||
|
|
||||||
const responseEnd = (body) => {
|
|
||||||
// If body is Buffer, then it is converted to String anyway.
|
|
||||||
res.write(head + body + foot);
|
|
||||||
res.end();
|
|
||||||
};
|
|
||||||
|
|
||||||
// Server error calling method
|
|
||||||
const callServerError = (errorCode, extName, stack, ch) => {
|
|
||||||
if (typeof errorCode !== "number") {
|
|
||||||
throw new TypeError("HTTP error code parameter needs to be an integer.");
|
|
||||||
}
|
|
||||||
|
|
||||||
// Handle optional parameters
|
|
||||||
if (extName && typeof extName === "object") {
|
|
||||||
ch = stack;
|
|
||||||
stack = extName;
|
|
||||||
extName = undefined;
|
|
||||||
} else if (
|
|
||||||
typeof extName !== "string" &&
|
|
||||||
extName !== null &&
|
|
||||||
extName !== undefined
|
|
||||||
) {
|
|
||||||
throw new TypeError("Extension name parameter needs to be a string.");
|
|
||||||
}
|
|
||||||
|
|
||||||
if (
|
|
||||||
stack &&
|
|
||||||
typeof stack === "object" &&
|
|
||||||
Object.prototype.toString.call(stack) !== "[object Error]"
|
|
||||||
) {
|
|
||||||
ch = stack;
|
|
||||||
stack = undefined;
|
|
||||||
} else if (
|
|
||||||
typeof stack !== "object" &&
|
|
||||||
typeof stack !== "string" &&
|
|
||||||
stack
|
|
||||||
) {
|
|
||||||
throw new TypeError(
|
|
||||||
"Error stack parameter needs to be either a string or an instance of Error object.",
|
|
||||||
);
|
);
|
||||||
}
|
|
||||||
|
|
||||||
// Determine error file
|
|
||||||
const getErrorFileName = (list, callback, _i) => {
|
|
||||||
if (
|
|
||||||
err.code == "ERR_SSL_HTTP_REQUEST" &&
|
|
||||||
process.version &&
|
|
||||||
parseInt(process.version.split(".")[0].substring(1)) >= 16
|
|
||||||
) {
|
|
||||||
// Disable custom error page for HTTP SSL error
|
|
||||||
callback(errorCode.toString() + ".html");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
const medCallback = (p) => {
|
|
||||||
if (p) callback(p);
|
|
||||||
else {
|
|
||||||
if (errorCode == 404) {
|
|
||||||
fs.access(config.page404, fs.constants.F_OK, function (err) {
|
|
||||||
if (err) {
|
|
||||||
fs.access(
|
|
||||||
"." + errorCode.toString(),
|
|
||||||
fs.constants.F_OK,
|
|
||||||
function (err) {
|
|
||||||
try {
|
|
||||||
if (err) {
|
|
||||||
callback(errorCode.toString() + ".html");
|
|
||||||
} else {
|
|
||||||
callback("." + errorCode.toString());
|
|
||||||
}
|
|
||||||
} catch (err2) {
|
|
||||||
callServerError(500, err2);
|
|
||||||
}
|
|
||||||
},
|
|
||||||
);
|
|
||||||
} else {
|
|
||||||
try {
|
|
||||||
callback(config.page404);
|
|
||||||
} catch (err2) {
|
|
||||||
callServerError(500, err2);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
});
|
|
||||||
} else {
|
|
||||||
fs.access(
|
|
||||||
"." + errorCode.toString(),
|
|
||||||
fs.constants.F_OK,
|
|
||||||
function (err) {
|
|
||||||
try {
|
|
||||||
if (err) {
|
|
||||||
callback(errorCode.toString() + ".html");
|
|
||||||
} else {
|
|
||||||
callback("." + errorCode.toString());
|
|
||||||
}
|
|
||||||
} catch (err2) {
|
|
||||||
callServerError(500, err2);
|
|
||||||
}
|
|
||||||
},
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
if (!_i) _i = 0;
|
|
||||||
if (_i >= list.length) {
|
|
||||||
medCallback(false);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (list[_i].scode != errorCode) {
|
|
||||||
getErrorFileName(list, callback, _i + 1);
|
|
||||||
return;
|
|
||||||
} else {
|
|
||||||
fs.access(list[_i].path, fs.constants.F_OK, function (err) {
|
|
||||||
if (err) {
|
|
||||||
getErrorFileName(list, callback, _i + 1);
|
|
||||||
} else {
|
|
||||||
medCallback(list[_i].path);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
getErrorFileName(config.errorPages, function (errorFile) {
|
|
||||||
if (Object.prototype.toString.call(stack) === "[object Error]")
|
|
||||||
stack = generateErrorStack(stack);
|
|
||||||
if (stack === undefined)
|
|
||||||
stack = generateErrorStack(new Error("Unknown error"));
|
|
||||||
if (errorCode == 500 || errorCode == 502) {
|
|
||||||
logFacilities.errmessage(
|
|
||||||
"There was an error while processing the request!",
|
|
||||||
);
|
|
||||||
logFacilities.errmessage("Stack:");
|
|
||||||
logFacilities.errmessage(stack);
|
|
||||||
}
|
|
||||||
if (config.stackHidden) stack = "[error stack hidden]";
|
|
||||||
if (serverHTTPErrorDescs[errorCode] === undefined) {
|
|
||||||
callServerError(501, extName, stack);
|
|
||||||
} else {
|
|
||||||
let cheaders = { ...config.getCustomHeaders(), ...ch };
|
|
||||||
cheaders["Content-Type"] = "text/html; charset=utf-8";
|
|
||||||
if (errorCode == 405 && !cheaders["Allow"])
|
|
||||||
cheaders["Allow"] = "GET, POST, HEAD, OPTIONS";
|
|
||||||
if (
|
|
||||||
err.code == "ERR_SSL_HTTP_REQUEST" &&
|
|
||||||
process.version &&
|
|
||||||
parseInt(process.version.split(".")[0].substring(1)) >= 16
|
|
||||||
) {
|
|
||||||
// Disable custom error page for HTTP SSL error
|
|
||||||
res.writeHead(errorCode, http.STATUS_CODES[errorCode], cheaders);
|
|
||||||
res.write(
|
|
||||||
'<!DOCTYPE html><html><head><title>{errorMessage}</title><meta name="viewport" content="width=device-width, initial-scale=1.0" /><style>html{background-color:#dfffdf;color:#000000;font-family:FreeSans, Helvetica, Tahoma, Verdana, Arial, sans-serif;margin:0.75em}body{background-color:#ffffff;padding:0.5em 0.5em 0.1em;margin:0.5em auto;width:90%;max-width:800px;-webkit-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15)}h1{text-align:center;font-size:2.25em;margin:0.3em 0 0.5em}code{background-color:#dfffdf;-webkit-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);display:block;padding:0.2em;font-family:"DejaVu Sans Mono", "Bitstream Vera Sans Mono", Hack, Menlo, Consolas, Monaco, monospace;font-size:0.85em;margin:auto;width:95%;max-width:600px}table{width:95%;border-collapse:collapse;margin:auto;overflow-wrap:break-word;word-wrap:break-word;word-break:break-all;word-break:break-word;position:relative;z-index:0}table tbody{background-color:#ffffff;color:#000000}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);content:\' \';position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1}table img{margin:0;display:inline}th,tr{padding:0.15em;text-align:center}th{background-color:#007000;color:#ffffff}th a{color:#ffffff}td,th{padding:0.225em}td{text-align:left}tr:nth-child(odd){background-color:#dfffdf}hr{color:#ffffff}@media screen and (prefers-color-scheme: dark){html{background-color:#002000;color:#ffffff}body{background-color:#000f00;-webkit-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15)}code{background-color:#002000;-webkit-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1)}a{color:#ffffff}a:hover{color:#00ff00}table tbody{background-color:#000f00;color:#ffffff}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175)}tr:nth-child(odd){background-color:#002000}}</style></head><body><h1>{errorMessage}</h1><p>{errorDesc}</p><p><i>{server}</i></p></body></html>'
|
|
||||||
.replace(
|
|
||||||
/{errorMessage}/g,
|
|
||||||
errorCode.toString() +
|
|
||||||
" " +
|
|
||||||
http.STATUS_CODES[errorCode]
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">"),
|
|
||||||
)
|
|
||||||
.replace(/{errorDesc}/g, serverHTTPErrorDescs[errorCode])
|
|
||||||
.replace(
|
|
||||||
/{stack}/g,
|
|
||||||
stack
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">")
|
|
||||||
.replace(/\r\n/g, "<br/>")
|
|
||||||
.replace(/\n/g, "<br/>")
|
|
||||||
.replace(/\r/g, "<br/>")
|
|
||||||
.replace(/ {2}/g, " "),
|
|
||||||
)
|
|
||||||
.replace(
|
|
||||||
/{server}/g,
|
|
||||||
"" +
|
|
||||||
(
|
|
||||||
config.generateServerString() +
|
|
||||||
(!config.exposeModsInErrorPages || extName == undefined
|
|
||||||
? ""
|
|
||||||
: " " + extName)
|
|
||||||
)
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">"),
|
|
||||||
)
|
|
||||||
.replace(
|
|
||||||
/{contact}/g,
|
|
||||||
config.serverAdministratorEmail
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">")
|
|
||||||
.replace(/\./g, "[dot]")
|
|
||||||
.replace(/@/g, "[at]"),
|
|
||||||
),
|
|
||||||
);
|
|
||||||
res.end();
|
|
||||||
} else {
|
|
||||||
fs.readFile(errorFile, function (err, data) {
|
|
||||||
try {
|
|
||||||
if (err) throw err;
|
|
||||||
res.writeHead(errorCode, http.STATUS_CODES[errorCode], cheaders);
|
|
||||||
responseEnd(
|
|
||||||
data
|
|
||||||
.toString()
|
|
||||||
.replace(
|
|
||||||
/{errorMessage}/g,
|
|
||||||
errorCode.toString() +
|
|
||||||
" " +
|
|
||||||
http.STATUS_CODES[errorCode]
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">"),
|
|
||||||
)
|
|
||||||
.replace(/{errorDesc}/g, serverHTTPErrorDescs[errorCode])
|
|
||||||
.replace(
|
|
||||||
/{stack}/g,
|
|
||||||
stack
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">")
|
|
||||||
.replace(/\r\n/g, "<br/>")
|
|
||||||
.replace(/\n/g, "<br/>")
|
|
||||||
.replace(/\r/g, "<br/>")
|
|
||||||
.replace(/ {2}/g, " "),
|
|
||||||
)
|
|
||||||
.replace(
|
|
||||||
/{server}/g,
|
|
||||||
"" +
|
|
||||||
(
|
|
||||||
config.generateServerString() +
|
|
||||||
(!config.exposeModsInErrorPages || extName == undefined
|
|
||||||
? ""
|
|
||||||
: " " + extName)
|
|
||||||
)
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">"),
|
|
||||||
)
|
|
||||||
.replace(
|
|
||||||
/{contact}/g,
|
|
||||||
config.serverAdministratorEmail
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">")
|
|
||||||
.replace(/\./g, "[dot]")
|
|
||||||
.replace(/@/g, "[at]"),
|
|
||||||
),
|
|
||||||
);
|
|
||||||
} catch (err) {
|
|
||||||
let additionalError = 500;
|
|
||||||
if (err.code == "ENOENT") {
|
|
||||||
additionalError = 404;
|
|
||||||
} else if (err.code == "ENOTDIR") {
|
|
||||||
additionalError = 404; // Assume that file doesn't exist
|
|
||||||
} else if (err.code == "EACCES") {
|
|
||||||
additionalError = 403;
|
|
||||||
} else if (err.code == "ENAMETOOLONG") {
|
|
||||||
additionalError = 414;
|
|
||||||
} else if (err.code == "EMFILE") {
|
|
||||||
additionalError = 503;
|
|
||||||
} else if (err.code == "ELOOP") {
|
|
||||||
additionalError = 508;
|
|
||||||
}
|
|
||||||
res.writeHead(errorCode, http.STATUS_CODES[errorCode], cheaders);
|
|
||||||
res.write(
|
|
||||||
(
|
|
||||||
'<!DOCTYPE html><html><head><title>{errorMessage}</title><meta name="viewport" content="width=device-width, initial-scale=1.0" /><style>html{background-color:#dfffdf;color:#000000;font-family:FreeSans, Helvetica, Tahoma, Verdana, Arial, sans-serif;margin:0.75em}body{background-color:#ffffff;padding:0.5em 0.5em 0.1em;margin:0.5em auto;width:90%;max-width:800px;-webkit-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15);box-shadow:0 5px 10px 0 rgba(0, 0, 0, 0.15)}h1{text-align:center;font-size:2.25em;margin:0.3em 0 0.5em}code{background-color:#dfffdf;-webkit-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);box-shadow:0 2px 4px 0 rgba(0, 0, 0, 0.1);display:block;padding:0.2em;font-family:"DejaVu Sans Mono", "Bitstream Vera Sans Mono", Hack, Menlo, Consolas, Monaco, monospace;font-size:0.85em;margin:auto;width:95%;max-width:600px}table{width:95%;border-collapse:collapse;margin:auto;overflow-wrap:break-word;word-wrap:break-word;word-break:break-all;word-break:break-word;position:relative;z-index:0}table tbody{background-color:#ffffff;color:#000000}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);box-shadow:0 4px 8px 0 rgba(0, 0, 0, 0.175);content:\' \';position:absolute;top:0;left:0;right:0;bottom:0;z-index:-1}table img{margin:0;display:inline}th,tr{padding:0.15em;text-align:center}th{background-color:#007000;color:#ffffff}th a{color:#ffffff}td,th{padding:0.225em}td{text-align:left}tr:nth-child(odd){background-color:#dfffdf}hr{color:#ffffff}@media screen and (prefers-color-scheme: dark){html{background-color:#002000;color:#ffffff}body{background-color:#000f00;-webkit-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);-moz-box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15);box-shadow:0 5px 10px 0 rgba(127, 127, 127, 0.15)}code{background-color:#002000;-webkit-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);-moz-box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1);box-shadow:0 2px 4px 0 rgba(127, 127, 127, 0.1)}a{color:#ffffff}a:hover{color:#00ff00}table tbody{background-color:#000f00;color:#ffffff}table tbody:after{-webkit-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);-moz-box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175);box-shadow:0 4px 8px 0 rgba(127, 127, 127, 0.175)}tr:nth-child(odd){background-color:#002000}}</style></head><body><h1>{errorMessage}</h1><p>{errorDesc}</p>' +
|
|
||||||
(additionalError == 404
|
|
||||||
? ""
|
|
||||||
: "<p>Additionally, a {additionalError} error occurred while loading an error page.</p>") +
|
|
||||||
"<p><i>{server}</i></p></body></html>"
|
|
||||||
)
|
|
||||||
.replace(
|
|
||||||
/{errorMessage}/g,
|
|
||||||
errorCode.toString() +
|
|
||||||
" " +
|
|
||||||
http.STATUS_CODES[errorCode]
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">"),
|
|
||||||
)
|
|
||||||
.replace(/{errorDesc}/g, serverHTTPErrorDescs[errorCode])
|
|
||||||
.replace(
|
|
||||||
/{stack}/g,
|
|
||||||
stack
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">")
|
|
||||||
.replace(/\r\n/g, "<br/>")
|
|
||||||
.replace(/\n/g, "<br/>")
|
|
||||||
.replace(/\r/g, "<br/>")
|
|
||||||
.replace(/ {2}/g, " "),
|
|
||||||
)
|
|
||||||
.replace(
|
|
||||||
/{server}/g,
|
|
||||||
(config.generateServerString() +
|
|
||||||
(config.exposeModsInErrorPages || extName == undefined)
|
|
||||||
? ""
|
|
||||||
: " " + extName
|
|
||||||
)
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">"),
|
|
||||||
)
|
|
||||||
.replace(
|
|
||||||
/{contact}/g,
|
|
||||||
config.serverAdministratorEmail
|
|
||||||
.replace(/&/g, "&")
|
|
||||||
.replace(/</g, "<")
|
|
||||||
.replace(/>/g, ">")
|
|
||||||
.replace(/\./g, "[dot]")
|
|
||||||
.replace(/@/g, "[at]"),
|
|
||||||
)
|
|
||||||
.replace(/{additionalError}/g, additionalError.toString()),
|
|
||||||
);
|
|
||||||
res.end();
|
|
||||||
}
|
|
||||||
});
|
|
||||||
}
|
|
||||||
}
|
|
||||||
});
|
|
||||||
};
|
|
||||||
let reqip = socket.remoteAddress;
|
|
||||||
let reqport = socket.remotePort;
|
|
||||||
process.reqcounter++;
|
|
||||||
process.malformedcounter++;
|
|
||||||
logFacilities.locmessage(
|
|
||||||
"Somebody connected to " +
|
|
||||||
(config.secure && fromMain
|
|
||||||
? (typeof config.sport == "number" ? "port " : "socket ") + config.sport
|
|
||||||
: (typeof config.port == "number" ? "port " : "socket ") +
|
|
||||||
config.port) +
|
|
||||||
"...",
|
|
||||||
);
|
|
||||||
logFacilities.reqmessage(
|
|
||||||
"Client " +
|
|
||||||
(!reqip || reqip == ""
|
|
||||||
? "[unknown client]"
|
|
||||||
: reqip +
|
|
||||||
(reqport && reqport !== 0 && reqport != "" ? ":" + reqport : "")) +
|
|
||||||
" sent invalid request.",
|
|
||||||
);
|
|
||||||
try {
|
|
||||||
head = fs.existsSync("./.head")
|
|
||||||
? fs.readFileSync("./.head").toString()
|
|
||||||
: fs.existsSync("./head.html")
|
|
||||||
? fs.readFileSync("./head.html").toString()
|
|
||||||
: ""; // header
|
|
||||||
foot = fs.existsSync("./.foot")
|
|
||||||
? fs.readFileSync("./.foot").toString()
|
|
||||||
: fs.existsSync("./foot.html")
|
|
||||||
? fs.readFileSync("./foot.html").toString()
|
|
||||||
: ""; // footer
|
|
||||||
|
|
||||||
if (
|
|
||||||
(err.code &&
|
|
||||||
(err.code.indexOf("ERR_SSL_") == 0 ||
|
|
||||||
err.code.indexOf("ERR_TLS_") == 0)) ||
|
|
||||||
(!err.code && err.message.indexOf("SSL routines") != -1)
|
|
||||||
) {
|
|
||||||
if (
|
|
||||||
err.code == "ERR_SSL_HTTP_REQUEST" ||
|
|
||||||
err.message.indexOf("http request") != -1
|
|
||||||
) {
|
|
||||||
logFacilities.errmessage("Client sent HTTP request to HTTPS port.");
|
|
||||||
callServerError(497);
|
|
||||||
return;
|
|
||||||
} else {
|
|
||||||
logFacilities.errmessage(
|
|
||||||
"An SSL error occured: " + (err.code ? err.code : err.message),
|
|
||||||
);
|
|
||||||
callServerError(400);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (err.code && err.code.indexOf("ERR_HTTP2_") == 0) {
|
|
||||||
logFacilities.errmessage("An HTTP/2 error occured: " + err.code);
|
|
||||||
callServerError(400);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (err.code && err.code == "ERR_HTTP_REQUEST_TIMEOUT") {
|
|
||||||
logFacilities.errmessage("Client timed out.");
|
|
||||||
callServerError(408);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!err.rawPacket) {
|
|
||||||
logFacilities.errmessage("Connection ended prematurely.");
|
|
||||||
callServerError(400);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
const packetLines = err.rawPacket.toString().split("\r\n");
|
|
||||||
if (packetLines.length == 0) {
|
|
||||||
logFacilities.errmessage("Invalid request.");
|
|
||||||
callServerError(400);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
const checkHeaders = (beginsFromFirst) => {
|
|
||||||
for (let i = beginsFromFirst ? 0 : 1; i < packetLines.length; i++) {
|
|
||||||
const header = packetLines[i];
|
|
||||||
if (header == "")
|
|
||||||
return false; // Beginning of body
|
|
||||||
else if (header.indexOf(":") < 1) {
|
|
||||||
logFacilities.errmessage("Invalid header.");
|
|
||||||
callServerError(400);
|
|
||||||
return true;
|
|
||||||
} else if (header.length > 8192) {
|
|
||||||
logFacilities.errmessage("Header too large.");
|
|
||||||
callServerError(431); // Headers too large
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return false;
|
|
||||||
};
|
|
||||||
const packetLine1 = packetLines[0].split(" ");
|
|
||||||
let method = "GET";
|
|
||||||
let httpVersion = "HTTP/1.1";
|
|
||||||
if (String(packetLine1[0]).indexOf(":") > 0) {
|
|
||||||
if (!checkHeaders(true)) {
|
|
||||||
logFacilities.errmessage(
|
|
||||||
"The request is invalid (it may be a part of larger invalid request).",
|
|
||||||
);
|
|
||||||
callServerError(400); // Also malformed Packet
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (String(packetLine1[0]).length < 50) method = packetLine1.shift();
|
|
||||||
if (String(packetLine1[packetLine1.length - 1]).length < 50)
|
|
||||||
httpVersion = packetLine1.pop();
|
|
||||||
if (packetLine1.length != 1) {
|
|
||||||
logFacilities.errmessage("The head of request is invalid.");
|
|
||||||
callServerError(400); // Malformed Packet
|
|
||||||
} else if (!httpVersion.toString().match(/^HTTP[\/]/i)) {
|
|
||||||
logFacilities.errmessage("Invalid protocol.");
|
|
||||||
callServerError(400); // bad protocol version
|
|
||||||
} else if (http.METHODS.indexOf(method) == -1) {
|
|
||||||
logFacilities.errmessage("Invalid method.");
|
|
||||||
callServerError(405); // Also malformed Packet
|
|
||||||
} else {
|
|
||||||
if (checkHeaders(false)) return;
|
|
||||||
if (packetLine1[0].length > 255) {
|
|
||||||
logFacilities.errmessage("URI too long.");
|
|
||||||
callServerError(414); // Also malformed Packet
|
|
||||||
} else {
|
|
||||||
logFacilities.errmessage("The request is invalid.");
|
|
||||||
callServerError(400); // Also malformed Packet
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} catch (err) {
|
|
||||||
logFacilities.errmessage(
|
|
||||||
"There was an error while determining type of malformed request.",
|
|
||||||
);
|
|
||||||
callServerError(400);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Create HTTP server
|
// Create HTTP server
|
||||||
http
|
http
|
||||||
|
|
|
||||||
Reference in a new issue