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ChenYFan/app.js

Forked from 186526/app.js
Created June 6, 2021 09:14
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app.js
import sw2express from "sw2express";
import * as customPage from "./sw2express.customDefaultPage.js";
const app = new sw2express();
app.extend(customPage.default);
app.use(async(req,rep)=>{
const statusCode = req.path.replace("/", "");
if (!isNaN(statusCode) && customPage.codeAlternative[statusCode] !== undefined) {
console.log(statusCode);
await customPage.getPage({
statusCode: statusCode,
})(req, rep);
}
})
app.listen(8080);
Raw
sw2express.customDefaultPage.js
function uuid() {
const s = []
const hexDigits = '0123456789abcdef'
for (let i = 0; i < 36; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1)
}
s[14] = '4' // bits 12-15 of the time_hi_and_version field to 0010
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1) // bits 6-7 of the clock_seq_hi_and_reserved to 01
s[8] = s[13] = s[18] = s[23] = '-'
const uuid = s.join('')
return uuid
}
export const codeAlternative = {
100: 'Continue',
101: 'Switching Protocols',
102: 'Processing',
103: 'Early Hints',
200: 'OK',
201: 'Created',
202: 'Accepted',
203: 'Non-Authoritative Information',
204: 'No Content',
205: 'Reset Content',
206: 'Partial Content',
207: 'Multi Status',
208: 'Already Reported',
226: 'IM Used',
300: 'Multiple Choices',
301: 'Moved Permanently',
302: 'Found',
303: 'See Other',
304: 'Not Modified',
305: 'Use Proxy',
306: 'Switch Proxy',
307: 'Temporary Redirect',
308: 'Permanent Redirect',
400: 'Bad Request',
401: 'Unauthorized',
402: 'Payment Required',
403: 'Forbidden',
404: 'Not Found',
405: 'Method Not Allowed',
406: 'Not Acceptable',
407: 'Proxy Authentication Required',
408: 'Request Time-out',
409: 'Conflict',
410: 'Gone',
411: 'Length Required',
412: 'Precondition Failed',
413: 'Request Entity Too Large',
414: 'Request-URI Too Large',
415: 'Unsupported Media Type',
416: 'Requested Range not Satisfiable',
417: 'Expectation Failed',
418: 'I\'m a teapot',
421: 'Misdirected Request',
422: 'Unprocessable Entity',
423: 'Locked',
424: 'Failed Dependency',
426: 'Upgrade Required',
428: 'Precondition Required', // RFC 6585
429: 'Too Many Requests',
431: 'Request Header Fields Too Large', // RFC 6585
451: 'Unavailable For Legal Reasons',
500: 'Internal Server Error',
501: 'Not Implemented',
502: 'Bad Gateway',
503: 'Service Unavailable',
504: 'Gateway Time-out',
505: 'HTTP Version not Supported',
506: 'Variant Also Negotiates',
507: 'Insufficient Storage',
508: 'Loop Detected',
510: 'Not Extended',
511: 'Network Authentication Required',
};
export const getPage = ({
statusCode = 404,
explain = `Your request was landed on <a href="https://git.186526.xyz/186526/sw2express">sw2express</a>. But the route you requested is ${codeAlternative[statusCode].toLowerCase()}.`,
howtodo = `You can go to the <a href="/">homepage</a> of the website.`
}) => {
return async (req, rep) => {
rep.statusCode = statusCode;
rep.setHeader('Content-Type', 'text/html; charset=utf-8');
rep.end('<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, shrink-to-fit=no" /><meta name="renderer" content="webkit" /><meta name="force-rendering" content="webkit" /><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /><link rel="preconnect" href="https://fonts.gstatic.com"><link href="https://fonts.googleapis.com/css2?family=Google+Sans&family=Fira+Mono&family=Ubuntu&display=swap" rel="stylesheet"><title>${statusCode} | ${codeAlternative}</title><link href="https://fonts.googleapis.com/icon?family=Material+Icons+Outlined" rel="stylesheet"><style type="text/css">:root{ --background-color: #fff; --font-color: #000; --font-color-lighter: rgb(87, 89, 88); --font-size-main: 3.545rem; --font-size-description: 1.245rem; --box-color: #F2F2F2; --working-color: #137333; --working-color-background: #e6f4ea; --error-color-background: #fce8e6; --error-color: #c5221f; --icon-size: 48px;} body{ margin: 2rem 2rem; font-family: Google Sans, Ubuntu, Roboto, Noto Sans SC, sans-serif; color: var(--font-color); background-color: var(--background-color);} nav{ margin-left: 1rem;} nav description{ font-family: Ubuntu, Roboto, Noto Sans SC, sans-serif; font-size: var(--font-size-description); line-height: var(--fonr-size-description); color: var(--font-color-lighter);} nav main{ font-size: var(--font-size-main); line-height: var(--font-size-main); font-family: Fira Mono, Ubuntu, monospace;} status{ margin-top: 2.5rem; display: flex; flex-direction: row; flex-wrap: wrap; justify-content: center; align-items: center;} status block.status-block{ background-color: var(--box-color); padding: 2rem; margin: 1rem 1rem; min-height: 3rem; border-radius: 9px; flex-grow: 1;} status block.status-block.working-block{ background-color: var(--working-color-background);} status block.status-block.error-block{ background-color: var(--error-color-background);} .status-block main{ font-size: calc(var(--font-size-description) + 0.1rem);} .status-working{ color: var(--working-color);} .status-error{ color: var(--error-color);} icon{ font-size: var(--icon-size) !important;} a{ text-decoration: none; color: #1967d2;} reason{ display: flex; flex-direction: row; flex-wrap: wrap; justify-content: space-between; align-items: center;} reason>*{ display: block; margin: 1rem; flex-grow: 1; max-width: 40%;} reason main{ font-size: calc(var(--font-size-description) + 0.2rem); font-weight: 550;} footer{ margin: 1rem; color: var(--font-color-lighter); font-size: calc(var(--font-size-description) - 0.4rem);} footer>request-status{ font-size: calc(var(--font-size-description) - 0.6rem);} footer>*{ display: block;} @media screen and (max-width:480px){ :root{ --font-size-main: 3.0rem; --font-size-description: 1.045rem;} reason>*{ max-width: 100%;} footer{ font-size: calc(var(--font-size-description) - 0.2rem);} footer>request-status{ font-size: calc(var(--font-size-description) - 0.4rem);}} @media screen and (min-width: 768px){ body{ margin: 8% 10%;} nav *{ display: inline-block; margin-left: 1%;}} @media (prefers-color-scheme: dark){ :root{ --font-color: rgba(255, 255, 255, 0.86); --font-color-lighter: rgba(255, 255, 255, 0.4); --background-color: rgb(0, 0, 0); --box-color: rgb(40 40 40 / 73%); --working-color-background: #07220f; --error-color-background: #270501;}} </style></head><body><nav><main>${statusCode}</main><description>${codeAlternative}</description></nav><status><block class="status-block working-block" id="client-status-block"><icon class="material-icons-outlined status-working">web_asset</icon><main>Your Client</main><status-text class="status-working">Working</status-text></block><block class="status-block working-block" id="edge-status-block"><icon class="material-icons-outlined status-working">alt_route</icon><main>sw2express</main><status-text class="status-working">Working </block><block class="status-block ${ServerStatusLowerCase}-block" id="website-status-block"><icon class="material-icons-outlined status-${ServerStatusLowerCase}">widgets</icon><main>Route</main><status-text class="status-${ServerStatusLowerCase}">${ServerStatus}</status-text></block></status><reason><explain><main>${codeAlternative}</main><p>${explain} </p></explain><howto><main>What can I do?</main><p>${howto} </p></howto></reason><footer><provider>Running with <a href="https://git.186526.xyz/186526/sw2express">sw2express</a>.</provider><br><request-status>Your IP is ${ip} .<br>Request ID is ${id}.</request-status></footer></body></html>'
.replaceAll("${statusCode}", statusCode)
.replaceAll("${codeAlternative}", codeAlternative[statusCode])
.replaceAll("${explain}", explain)
.replaceAll("${howto}", howtodo)
.replaceAll("${id}", rep.CustomDefaultPageRequestID)
.replaceAll('${ServerStatus}', statusCode >= 400 ? "Error" : "Working")
.replaceAll('${ServerStatusLowerCase}', statusCode >= 400 ? "error" : "working")
.replaceAll('${ip}', rep.ip));
}
}
export default {
name: 'customDefaultPage',
func: (that) => that._customDefaultPage,
bootstrap: async (that) => {
if (that._customDefaultPage) {
throw new Error('Custom Default Page is Loaded!');
}
that._customDefaultPage = true;
that.use(async (req, rep) => {
rep.set("CustomDefaultPageRequestID", uuid());
rep.set("ip", ((request) => {
let answer = "";
["x-forwarded-for", "x-real-ip", "cf-connecting-ip"].forEach((e) => {
if (typeof request.headers[e] === "string") {
answer = request.headers[e];
}
});
if (answer === "" && typeof global !== "undefined") {
answer = request.req.socket.remoteAddress.match(/\d+\.\d+\.\d+\.\d+/);
}
return answer;
})(req));
})
that.DefaultPage = {
Code: function (statusCode) {
return {
GenAsync: async (req, rep) => {
rep.statusCode = statusCode;
rep.setHeader('Content-Type', 'text/html; charset=utf-8');
await getPage({
statusCode: statusCode,
})(req, rep)
}
}
}
}
}
}
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