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feat: wip visitors stuff

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dusk 2024-11-24 00:18:44 +03:00
parent 630a1c043c
commit 1374dbece4
Signed by: dusk
SSH Key Fingerprint: SHA256:Abmvag+juovVufZTxyWY8KcVgrznxvBjQpJesv071Aw
1 changed files with 48 additions and 18 deletions
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66
src/lib/visits.ts
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@ -7,31 +7,61 @@ import { get, writable } from "svelte/store";
const visitCountFile = `${env.WEBSITE_DATA_DIR}/visitcount`
const visitCount = writable(parseInt(existsSync(visitCountFile) ? readFileSync(visitCountFile).toString() : '0'));
type Visitor = { since: number }
const lastVisitors = writable<Visitor[]>([]);
const MAX_VISITORS = 10
const VISITOR_EXPIRY_SECONDS = 60 * 30 // half an hour is reasonable
export const incrementVisitCount = (request: Request, cookies: Cookies) => {
let currentVisitCount = get(visitCount)
// check whether the request is from a bot or not (this doesnt need to be accurate we just want to filter out honest bots)
const ua = request.headers.get('user-agent')
const isBot = ua ? ua.toLowerCase().match(/(bot|crawl|spider|walk)/) !== null : true
if (!isBot) {
const scopedCookies = scopeCookies(cookies, '/')
// parse the last visit timestamp from cookies if it exists
const visitedTimestamp = parseInt(scopedCookies.get('visitedTimestamp') || "0")
// get unix timestamp
const currentTime = new Date().getTime()
const timeSinceVisit = currentTime - visitedTimestamp
// check if this is the first time a client is visiting or if an hour has passed since they last visited
if (visitedTimestamp === 0 || timeSinceVisit > 1000 * 60 * 60 * 24) {
// increment current and write to the store
currentVisitCount += 1; visitCount.set(currentVisitCount)
// update the cookie with the current timestamp
scopedCookies.set('visitedTimestamp', currentTime.toString())
// write the visit count to a file so we can load it later again
writeFileSync(visitCountFile, currentVisitCount.toString())
}
if (isBot(request)) { return currentVisitCount }
const scopedCookies = scopeCookies(cookies, '/')
// parse the last visit timestamp from cookies if it exists
const visitedTimestamp = parseInt(scopedCookies.get('visitedTimestamp') || "0")
// get unix timestamp
const currentTime = Date.now()
const timeSinceVisit = currentTime - visitedTimestamp
// check if this is the first time a client is visiting or if an hour has passed since they last visited
if (visitedTimestamp === 0 || timeSinceVisit > 1000 * 60 * 60 * 24) {
// increment current and write to the store
currentVisitCount += 1; visitCount.set(currentVisitCount)
// update the cookie with the current timestamp
scopedCookies.set('visitedTimestamp', currentTime.toString())
// write the visit count to a file so we can load it later again
writeFileSync(visitCountFile, currentVisitCount.toString())
}
return currentVisitCount
}
export const addLastVisitor = (request: Request, cookies: Cookies) => {
const currentTime = Date.now()
let visitors = get(lastVisitors).filter(
(value) => { return currentTime - value.since > 1000 * VISITOR_EXPIRY_SECONDS }
)
// check whether the request is from a bot or not (this doesnt need to be accurate we just want to filter out honest bots)
if (isBot(request)) { return visitors }
const scopedCookies = scopeCookies(cookies, '/')
// parse the last visit timestamp from cookies if it exists
const visitorTimestamp = parseInt(scopedCookies.get('visitorTimestamp') || "0")
// get unix timestamp
const timeSinceVisit = currentTime - visitorTimestamp
// check if this is the first time a client is visiting or if an hour has passed since they last visited
if (visitorTimestamp === 0 || timeSinceVisit > 1000 * VISITOR_EXPIRY_SECONDS) {
visitors.push({ since: currentTime })
if (visitors.length > MAX_VISITORS) { visitors.shift() }
// update the cookie with the current timestamp
scopedCookies.set('visitorTimestamp', currentTime.toString())
}
return visitors
}
const isBot = (request: Request) => {
const ua = request.headers.get('user-agent')
return ua ? ua.toLowerCase().match(/(bot|crawl|spider|walk|fetch|scrap|proxy|image)/) !== null : true
}
export const notifyDarkVisitors = (url: URL, request: Request) => {
fetch('https://api.darkvisitors.com/visits', {
method: 'POST',