ScrapeAction/index.js at main · themojache/ScrapeAction · GitHub

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const jsdom = require("jsdom");
const axios = require("axios");
const fs = require("fs");
const retry = require("axios-retry-after");
let archiveFile = require("./codes.json");

let [htmlstart, htmlEnd] = ['<!doctype html><html><head><title>Valid Genshin Codes</title><style>@media (prefers-color-scheme: dark){body,html{background: #222;color: #eee;}}</style></head><body><ul>', '</ul></body></html>'];


function lessThanAWeek(date) {
  return date > Date.now() - (1000 * 60 * 60 * 24 * 7);
}
function documentTypeParse(response) {
    let document = null;
    try {
        document = JSON.parse(response);
    } catch (e) {
        /*if(response instanceof HTMLDocument || response instanceof Document) {
            document = response;
        } else*/ if(typeof response === "object" && response !== null && !Array.isArray(response) && response.responseText) {
            document = stringToDoc(response.responseText);
        } else if (response instanceof String || typeof response === "string" || Object.prototype.toString.call(response) === "[object String]") {
            document = stringToDoc(response);
        } else {
            console.log("Unsupported type:", typeof response);
        }
    }
    return document;
}
const virtualConsole = new jsdom.VirtualConsole();
virtualConsole.on("error", () => {
  // No-op to skip console errors.
});
function stringToDoc(str) {
    if(jsdom) {
        const dom = new jsdom.JSDOM(str, { virtualConsole });
        return dom.window.document;
    } else if(DOMParser) {
        const parser = new DOMParser(); //https://developer.mozilla.org/en-US/docs/Web/API/DOMParser/parseFromString
        return parser.parseFromString(str, "text/html");
    }
}


function fromGiftURL(url, base) {
    var parse = new URL(url, base);
    const params = new URLSearchParams(parse.search);
    return params.has("code") ? params.get("code") : "";
}
function AllExcept(els, except) {
    return Array.isArray(except) ? [...els].filter(el => !except.includes(el)) : [...els].filter(el => el != except);
}
function parseStdUL(uls) {
    return [...new Set([...uls].filter(el => el)?.map(el => textOf(el?.querySelectorAll("li strong:first-child")).filter(no => !exceptions.includes(no)))?.flat(Infinity))];
}
function textOf(list) {
    return [...new Set([...list].map(no => (no.innerText ?? no.textContent ?? "").trim()))];
}
function fromAElements(list, base) {
    return [...new Set([...list].map(el => fromGiftURL(el.href, base)))];
}
function fromLinksWithCodes(list, base) {
    return [...new Set([...fromAElements(list, base), ...textOf(list)])];
}

function parseCodes(host, dt, codes, acc, code) {
	var isForums = host == "bbs-api-os.hoyolab.com";
	for(var segment of code.trim().split(/[\s\-–\/,:]/)) { //.filter(el => el.length > 0 && !codes.has(el.toLowerCase()))
		var addTo = testCode.test(segment) && ((isForums && testCode2.test(segment)) || !isForums);
		var target = (addTo ? "valid" : "invalid");
		var newCode = segment.toLowerCase();
		if(!codes.has(newCode) && newCode.length > 0) {
			codes.add(newCode);
			if(!acc[target]) {
				acc[target] = {};
			}
			var dat = "" + (+dt);
			if(host in acc[target]) {
				if(dat in acc[target][host]) {
					acc[target][host][dat] = [...acc[target][host][dat], segment];
				} else {
					acc[target][host][dat] = [segment];
				}
			} else {
				acc[target][host] = {[dat]: [segment]};
			}
		}
	}
}

function staggerRequests(sites) {
	var newSites = [];
	var overflow = new Map();
	for(var site of sites) {
		var url = new URL(site).hostname;
		overflow.set(url, [...(overflow.get(url) ?? []), site]);
	}
	for(var key of overflow.keys()) {
		var arr = overflow.get(key);
		if(arr.length == 1) {
			newSites.push(arr[0]);
			overflow.delete(key);
		} else {
			newSites.push(arr.shift());
			overflow.set(key, arr);
		}
	}
	var sizing = [...overflow.keys()].reduce((acc, el) => {
		acc[el] = overflow.get(el).length;
		return acc;
	}, {});
	var baseLen = newSites.length - [...overflow.keys()].length;
	for(var i = 0, len = newSites.length; i < len; i++) {
		var current = new URL(newSites[i]).hostname;
		var next = newSites[i + 1] ? new URL(newSites[i + 1]).hostname : "";
		var keys = [...overflow.keys()].filter(el => el.localeCompare(current) != 0 && el.localeCompare(next) != 0);
		if(keys.length > 0) {
			for(var key of keys) {
				var arr = overflow.get(key);
				var size = Math.round(sizing[key] / baseLen);
				var newAdditions = arr.splice(0, size);
				for(var j = 0, addLen = newAdditions.length; j < addLen; j++) {
					newSites.splice(i + j + 1, 0, newAdditions[j]);
					i++; len++;
				}
				if(arr.length == 0) {
					overflow.delete(key);
				} else {
					overflow.set(key, arr);
				}
			}
		}
	}
	return newSites;
}

function genshinData(response, url) {
	return [...(response.data.posts ?? response.data.list).reduce((acc, post) => {
		var date = new Date(post.post.created_at * 1000);
		if(lessThanAWeek(date)) {
			var body = [post.post.subject, post.post.content].join("\n");
			for(var code of [...body.matchAll(validCode)].map(el => el[1].trim())) {
				acc.add(code);
			}
		}
		return acc;
	}, new Set())];
}


var map = {
	"https://bbs-api-os.hoyolab.com/community/search/wapi/search/post?author_type=0&game_id=2&is_all_game=false&keyword=primos&order_type=0&page_num=1&page_size=100&preview=true&recommend_word=code&scene=SCENE_GENERAL": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/topic/post/new?loading_type=0&page_size=100&reload_times=0&tab_id=2&topic_id=33651": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/topic/post/new?loading_type=0&page_size=100&reload_times=0&tab_id=2&topic_id=15593": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/topic/post/new?loading_type=0&page_size=100&reload_times=0&tab_id=2&topic_id=112964": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/topic/post/new?loading_type=0&page_size=100&reload_times=0&tab_id=2&topic_id=857": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/topic/post/new?loading_type=0&page_size=100&reload_times=0&tab_id=2&topic_id=203049": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/topic/post/new?loading_type=0&page_size=100&reload_times=0&tab_id=2&topic_id=3070": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/topic/post/new?loading_type=0&page_size=100&reload_times=0&tab_id=2&topic_id=918": genshinData,
    "https://bbs-api-os.hoyolab.com/community/search/wapi/search/post?author_type=0&game_id=2&is_all_game=false&keyword=primos&order_type=0&page_num=1&page_size=100&preview=true&recommend_word=code&scene=SCENE_GENERAL": genshinData,
    "https://bbs-api-os.hoyolab.com/community/painter/wapi/search?game_id=2&keyword=Redeem%20Code": genshinData,
    "https://genshin-impact.fandom.com/wiki/Promotional_Code": (response, url) => {
        let document = documentTypeParse(response);
        var target = document.querySelector(".wikitable");//document.querySelector("#All_Codes").parentElement.nextElementSibling.nextElementSibling;
        if(target.nodeName == "TABLE") {
            var parse = /((?:\d{4}\-\d{2}\-\d{2})|indefinite|expired)/igm;
            var now = new Date(); //.toLocaleString("en-US",{ timeZone: "America/Los_Angeles"});
            return [...[...target.querySelectorAll("tbody tr td[data-sort-val]")].reduce((acc, cell) => {
                var status = [...cell.getAttribute("data-sort-val").matchAll(parse)].map(date => date[0].toLowerCase());
                if(status.includes("expired")) {
                } else if(status.includes("indefinite")) {
					for(var code of [...textOf(cell.parentElement.firstElementChild.querySelectorAll("code")), ...fromAElements(cell.parentElement.querySelectorAll("a[href^='https://genshin.hoyoverse.com/en/gift?code=']"), url)]) {
						acc.add(code);
					}
                } else {
                    var dateParsed = status.map(date => new Date(date)).sort((a,b) => b - a);
                    if(+dateParsed[0] > +now && +now > +dateParsed[1]) {
						for(var code of [...textOf(cell.parentElement.firstElementChild.querySelectorAll("code")), ...fromAElements(cell.parentElement.querySelectorAll("a[href^='https://genshin.hoyoverse.com/en/gift?code=']"), url)]) {
							acc.add(code);
						}
                    }
                }
				return acc;
            }, new Set())];
        }
    },
    "https://www.pockettactics.com/genshin-impact/codes": (response, url) => {
        let document = documentTypeParse(response);
        var active = [...document.querySelectorAll("a[data-target='Active-codes'], a[href='#Active-codes']")];
        var uls = active.map(el => el.parentElement.parentElement.parentElement.parentElement.nextElementSibling.nextElementSibling).filter(el => el.nodeName == "UL");
        return parseStdUL(uls);
    },
    "https://scoofszlo.github.io/genshinimpact_codetracker/": (response, url) => {
        let document = documentTypeParse(response);
        return fromLinksWithCodes(document.querySelector("div.list_of_codes div.card_container").querySelectorAll(".reward_code a"), url);
    },
    /*"https://www.pcgamesn.com/genshin-impact/codes-redeem-promo": (response, url) => {
        let document = documentTypeParse(response);
        return parseStdUL(AllExcept(document.querySelectorAll(".entry-content ul"), document.querySelector("h3 ~ ul")));
    },*/
    /*"https://www.supereasy.com/genshin-impact-promo-codes/": (response, url) => {
        let document = documentTypeParse(response);
        var uls = [document.querySelector("#h-available-codes ~ ul")];
        var lastNode = uls[uls.length - 1];
        while(lastNode.nextElementSibling.nodeName == "UL") {
            uls.push(lastNode = lastNode.nextElementSibling);
        }
        return parseStdUL(uls);
    },*/
    "https://progameguides.com/genshin-impact/genshin-impact-codes/": (response, url) => {
        let document = documentTypeParse(response);
        return parseStdUL(["h2#genshin-impact-livestream-codes ~ ul", "h3#active-genshin-impact-codes-working ~ ul"].map(el => document.querySelector(el))).filter(el => el.toLowerCase() != "there are currently no active genshin impact livestream codes.");
    },
    "https://www.gamesradar.com/genshin-impact-codes-redeem/": (response, url) => {
        let document = documentTypeParse(response);
        return parseStdUL(AllExcept(document.querySelectorAll("#article-body ul"), document.querySelector("h2#expired-genshin-impact-redemption-codes-xa0 ~ ul")));
    },
    "https://www.rockpapershotgun.com/genshin-impact-codes-list": (response, url) => {
        let document = documentTypeParse(response);
        return parseStdUL(["h2#section-1 ~ ul", "h2#section-6 ~ ul"].map(el => document.querySelector(el)));
    },
    "https://www.vg247.com/genshin-impact-codes": (response, url) => {
        let document = documentTypeParse(response);
        return parseStdUL(["h2#codes ~ ul", "h2#livestream-codes ~ ul"].map(el => document.querySelector(el)));
    },
    "https://www.pocketgamer.com/genshin-impact/codes/": (response, url) => {
        let document = documentTypeParse(response);
        return parseStdUL(document.querySelectorAll(".body-copy ul:first-of-type"));
    },
    "https://www.ggrecon.com/guides/genshin-impact-codes/": (response, url) => {
        let document = documentTypeParse(response);
        return textOf(document.querySelectorAll("table tbody tr:not(:first-of-type) strong:first-child"));
    },
    "https://ucngame.com/codes/genshin-impact-codes/": (response, url) => {
        let document = documentTypeParse(response); //formatting inconsistent, strong tags are inside and outside of a tags. Luckily the a tag seems to contain "just the code"'s text'.
        return fromLinksWithCodes(document.querySelectorAll("h3#new-valid-redeem-codes-for-genshin-impact ~ figure table tr td a[href]"), url);
    },
    "https://game8.co/games/Genshin-Impact/archives/304759": (response, url) => {
        let document = documentTypeParse(response);
        var selector = "h2#hl_1 + h3#hm_1 ~ ol a[href^='https://genshin.hoyoverse.com/en/gift?code='], h2#hl_2 + h3#hm_2 ~ ol a[href^='https://genshin.hoyoverse.com/en/gift?code=']";
        return fromLinksWithCodes(document.querySelectorAll(selector), url);
    },
    "https://gamewith.net/genshin-impact/article/show/22737": (response, url) => {
        let document = documentTypeParse(response);
        //var table = document.querySelector("a.gdb-btn--green[href='https://genshin.mihoyo.com/en/gift'] ~ div.genshin_table_table table");
        return fromAElements(document.querySelectorAll("tr td a[href^='https://genshin.hoyoverse.com/en/gift?code=']"), url);
    }
};
var validCode = /(?:^|[\s\b\W])([A-Z0-9]{10,25})(?:[\s\b\W]|$)/igm; //longest known is 21, giving a bit of a buffer.
var testCode = /^([A-Z0-9]{10,25})$/i;
var testCode2 = /^.*([A-Z].*\d|\d.*[A-Z]).*$/i;
var exceptions = ["–","-",""," ",":"];
var sites = Object.keys(map);

const client = axios.create();
client.interceptors.response.use(null, retry(client));

function MakeConcurrentRequests(concurrentRequests) {
	if(concurrentRequests.length == 0) {
		var valid = new Set();
		for(var site in archiveFile["valid"]) {
			for(var dt in archiveFile["valid"][site]) {
				for(var code of archiveFile["valid"][site][dt]) {
					valid.add(code);
				}
			}
		}
		fs.writeFile("codes.json", JSON.stringify(archiveFile), (err) => {
			if(err) {
				throw err;
			}
			//console.log("Saved");
		});
		fs.writeFile("valid.json", JSON.stringify([...valid]), (err) => {
			if(err) {
				throw err;
			}
			//console.log("Saved");
		});
		fs.writeFile("valid.html", htmlstart + [...valid].map(el => "<li><a href='https://genshin.hoyoverse.com/en/gift?code=" + el + "'>" + el + "</a></li>").join('\n') + htmlEnd, (err) => {
			if(err) {
				throw err;
			}
			//console.log("Saved");
		});
		return "Done";
	}
	var promises = concurrentRequests.map(el => client.get(el));
	Promise.allSettled(promises).catch(err => { //should be irrelevant
		console.log(err);
		return promises;
	}).then(res => {
		var codes = new Set();
		for(var category in archiveFile) {
			for(var site in archiveFile[category]) {
				for(var dt in archiveFile[category][site]) {
					for(var code of archiveFile[category][site][dt]) {
						codes.add(code.toLowerCase());
					}
				}
			}
		}


		for(var site in archiveFile["valid"]) {
			for(var dt in archiveFile["valid"][site]) {
				if(!lessThanAWeek(new Date(+dt))) {
					var acc = archiveFile;
					var target = "invalid";
					if(!acc[target]) {
						acc[target] = {};
					}
					if(site in acc[target]) {
						if(dt in acc[target][site]) {
							acc[target][site][dt] = [...acc[target][site][dt], code];
						} else {
							acc[target][site][dt] = [code];
						}
					} else {
						acc[target][site] = {[dt]: [code]};
					}
					delete archiveFile["valid"][site][dt];
					if(Object.keys(archiveFile["valid"][site]).length == 0) {
						delete archiveFile["valid"][site];
					}
				}
			}
		}
		for(var site in archiveFile["invalid"]) {
			for(var dt in archiveFile["invalid"][site]) {
				if(!lessThanAWeek(new Date(+dt))) { //Bye!
					console.log('Getting rid of old entries from', new Date(+dt));
					delete archiveFile["invalid"][site][dt];
					if(Object.keys(archiveFile["invalid"][site]).length == 0) {
						delete archiveFile["invalid"][site];
					}
				}
			}
		}
		for(var resp of res) {
			var dt = new Date();
			var hasError = resp.value ?? resp;
			var url = hasError.config?.url;
			if(url) {
				var host = new URL(url).hostname;
				for(var code of map[url](hasError.data, url)) {
					parseCodes(host, dt, codes, archiveFile, code);
				}
			}
		}
		setTimeout(() => {
			MakeConcurrentRequests(hosts.filter(site => overflow.get(site).length > 0).map(site => overflow.get(site).pop()));
		}, delay++ * 1000);
	});
}

var delay = 0;
var hosts = new Set();
var overflow = new Map();
for(var site of sites) {
	var url = new URL(site).hostname;
	hosts.add(url);
	overflow.set(url, [...(overflow.get(url) ?? []), site]);
}
hosts = [...hosts]; //inline set to array conversion
var concurrentRequests = hosts.filter(site => overflow.get(site).length > 0).map(site => overflow.get(site).pop());
MakeConcurrentRequests(concurrentRequests);