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client.js
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client.js
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/*
Apache header:
Copyright 2020 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
const path = require("path")
const { performance } = require("perf_hooks")
const readJson = require("r-json")
const { exec } = require("child_process")
const https = require("https")
const http = require("http")
const express = require("express")
const app = express()
var ips = readJson(path.resolve(__dirname, "ips.json"))
var config = readJson(path.resolve(__dirname, "config.json"))
var socketLocalhost = null
// searchOnAllCells get the list of the ips and call searchVideoByTitle for each of them, returning, as a promise, the response of that query
async function searchOnAllCells({title, videoId, description, isPublic, searchOnlyId}={}) {
var promises = []
for (const [cellName, ipscell] of Object.entries(ips)) {
for (let i = 0; i < ipscell.length - 1; ++i) {
let ip = "https://" + ipscell[i] + "/"
promises.push(
new Promise((resolve) => {
searchVideoByTitle({
title,
videoId,
description,
ip,
cellName,
isPublic,
startRequest: performance.now(),
searchOnlyId
})
.then((data) => {
data = {
success: data[0],
time: data[1],
title,
description,
videoId,
ip,
cellName,
isPublic,
}
resolve(data)
})
.catch((err) => {
console.log(err)
})
})
)
}
}
return Promise.all(promises)
}
// searchMultipleParameters resolve the promises from searchOnAllCells and display an error in case something went wrong, or a log in case everything was fine
async function searchMultipleParameters(title, videoId, description="", isPublic=true, searchOnlyId=true) {
searchOnAllCells({
title,
videoId,
description,
isPublic,
searchOnlyId
}).then((data) => {
let any_errors = false
for(let i = 0; i < data.length; ++i){
if(data[i].success === false){
// TODO: Alert
console.error("ALERT", data[i])
any_errors = true
}
}
if(!any_errors){
console.log("Everything is working!")
}
})
}
// multipleDaysSearch keep searching constantly at a regular time (INTERVAL_SEARCH_DAYS_IN_MILLISECONDS) for DAYS_OF_SEARCH_IN_MILLISECONDS days
async function multipleDaysSearch(title, videoId) {
var start = performance.now()
var interval = window.setInterval(() => {
if (performance.now() - start >= config.DAYS_OF_SEARCH_IN_MILLISECONDS) {
window.clearInterval(interval)
}
searchMultipleParameters({
title: title,
videoId: videoId,
searchOnlyId: true,
})
}, config.INTERVAL_SEARCH_DAYS_IN_MILLISECONDS)
}
// searchVideoByTitle get the title and the id of the video, and make a request to a specific ip to see if the video is correctly shown
// In case searchOnlyId is false, it also search for the description
// It also takes into account whether the video is private or public
async function searchVideoByTitle({title, videoId, description, ip, cellName, isPublic, startRequest, searchOnlyId}={}) {
return new Promise((resolve, reject) => {
https.get(ip + "results?search_query=" + title,
{ headers: { host: "www.youtube.com" } },
(res) => {
res.setEncoding("utf8")
var data = ""
res.on("data", function (chunk) {
data += chunk
})
res.on("end", function () {
let idFound = false
if (data.includes(videoId)) { // check if the id is inside the result found
idFound = true
}
if(searchOnlyId === true){
resolve([idFound, parseInt(performance.now() - startRequest)])
}
let ok = false
if(!isPublic && !idFound) ok = true
if(isPublic && idFound && data.includes(description)) ok = true
resolve([ok, parseInt(performance.now() - startRequest)])
})
}
)
.on("error", (error) => {
reject(error.message)
})
})
.then((data) => {
if (data[0] === false) {
let timeout
if(searchOnlyId === true){
timeout = config.SEARCH_ID_TIMEOUT_IN_MILLISECONDS
} else {
timeout = config.SEARCH_ID_AND_FEATURES_TIMEOUT_IN_MILLISECONDS
}
if (data[1] >= timeout) {
// exceeded the double of the average to find the id of the video
return data
}
return searchVideoByTitle({
title,
videoId,
description,
ip,
cellName,
isPublic,
startRequest,
searchOnlyId
})
} else {
// query name, cellName, result search,
if (socketLocalhost !== null) {
console.log("send data to graphs\nCell name:", cellName,
"\nDid it found the result:", data[0] === true, "\nTime from start to end of the request", data[1])
socketLocalhost.emit("update-graphs", cellName, data[0] === true, data[1])
}
return data
}
})
.catch((err) => {
console.error(err)
})
}
// a simple CLI. The commands are basic-upload, upload-and-update, upload-days
const yargs = require("yargs")
const argv = yargs
.command(
"basic-upload",
"Upload a random video and search it until all ips found it"
)
.command(
"upload-and-update",
"Upload a random video, wait for the upload, update the video (change title, description etc.) and then search it"
)
.command(
"upload-days",
"Upload a random video and keep searching for it for 3 days"
)
.option("webserver", {
alias: "ws",
type: "boolean",
description: "Run local web server to show graphs of the data collected",
})
.help()
.alias("help", "h").argv
if ((argv._.length === 0 || argv._.length > 1) ||
(argv._[0] !== "basic-upload" && argv._[0] !== "upload-days" && argv._[0] !== "upload-and-update")) {
yargs.showHelp()
return
}
// start a webserver that will then be used by the client (inside the client folder), to show some graphs of the data collected
if (argv.webserver) {
var localServerio = http.createServer(app)
var localServer = require("socket.io")(localServerio)
localServer.on("connection", (socket) => {
socketLocalhost = socket
})
localServerio.listen(config.CLIENT_WEBSERVER_PORT, () => {
console.log("listening on port", config.CLIENT_WEBSERVER_PORT)
})
// TODO instead of yarn start, would be better to have a react build of it, and run it with express in some port
var pathClient = path.resolve(__dirname, "client/")
exec("cd " + pathClient + " && npm run start")
}
// connect to the server, and send/recive messages for it
const io = require("socket.io-client")
const server = io.connect("http://localhost:"+config.SERVER_PORT)
server.on("connect", () => {
if (argv._[0] === "basic-upload" || argv._[0] === "upload-days") {
server.emit("upload-video")
} else if(argv._[0] === "upload-and-update") {
server.emit("upload-video-and-update")
}
server.on("upload-video-server", async (title, videoId) => {
if (argv._[0] === "basic-upload") {
searchMultipleParameters(title, videoId)
} else if (argv._[0] === "upload-days") {
multipleDaysSearch(title, videoId)
}
})
server.on("upload-video-and-update-server", async (title, videoId, description, privacyStatus) => {
if (argv._[0] === "upload-and-update") {
searchMultipleParameters(title, videoId, description, privacyStatus, false)
}
})
})