Instagram Utils

get user email

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Instagram Utils
// @namespace    http://tampermonkey.net/
// @version      0.0.20
// @description  get user email
// @author       nibnil
// @match        https://www.instagram.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=google.com
// @grant        GM_addStyle
// @grant        GM_xmlhttpRequest
// @grant        GM_download
// @license      MIT
// ==/UserScript==

var zNode = document.createElement('div')
zNode.innerHTML = "<button id='myButton' type='button'>go</button>"
zNode.setAttribute('id', 'myContainer')
document.body.appendChild(zNode)
document.getElementById ("myButton").addEventListener (
    "click", ButtonClickAction, false
)

XMLHttpRequest.prototype.wrappedSetRequestHeader = XMLHttpRequest.prototype.setRequestHeader
XMLHttpRequest.prototype.setRequestHeader = function(header, value) {
    // Call the wrappedSetRequestHeader function first 
    // so we get exceptions if we are in an erronous state etc.
    this.wrappedSetRequestHeader(header, value)

    // Create a headers map if it does not exist
    if(!this.headers) {
        this.headers = {}
    }

    // Create a list for the header that if it does not exist
    if(!this.headers[header]) {
        this.headers[header] = []
    }

    // Add the value to the header
    this.headers[header].push(value)
}
var userId = ''
function getUserId (url) {
    let m
    let result = ''
    let regex = /https:\/\/i\.instagram\.com\/api\/v1\/feed\/user\/([0-9]+)\/story\//gm
    while ((m = regex.exec(url)) !== null) {
        // This is necessary to avoid infinite loops with zero-width matches
        if (m.index === regex.lastIndex) {
            regex.lastIndex++;
        }
        // The result can be accessed through the `m`-variable.
        m.forEach((match, groupIndex) => {
            // console.log(`Found match, group ${groupIndex}: ${match}`)
            result = match
        })
    }
    // console.log(url, result)
    return result
}

function getEmail (responseText) {
    let m
    let result = ''
    let regex = /"public_email":"((?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\]))"/gm
    while ((m = regex.exec(responseText)) !== null) {
        // This is necessary to avoid infinite loops with zero-width matches
        if (m.index === regex.lastIndex) {
            regex.lastIndex++;
        }

        // The result can be accessed through the `m`-variable.
        m.forEach((match, groupIndex) => {
            // console.log(`Found match, group ${groupIndex}: ${match}`)
            if (match) {
                result = match
            }
        })
    }
    return result
}

function ButtonClickAction (zEvent) {
    let url = 'https://i.instagram.com/api/v1/users/' + userId + '/info/'
    runAsync(url).then(
        (result)=> {return result}).then(function(result){
            console.log(result)
            let email = getEmail(result)
            alert('userId: ' + userId + ',eamil: ' + email)
        })
}

function addXMLRequestCallback(callback){
    var oldSend, i;
    if( XMLHttpRequest.callbacks ) {
        // we've already overridden send() so just add the callback
        XMLHttpRequest.callbacks.push( callback )
    } else {
        // create a callback queue
        XMLHttpRequest.callbacks = [callback]
        // store the native send()
        oldSend = XMLHttpRequest.prototype.send
        // override the native send()
        XMLHttpRequest.prototype.send = function(){
            // process the callback queue
            // the xhr instance is passed into each callback but seems pretty useless
            // you can't tell what its destination is or call abort() without an error
            // so only really good for logging that a request has happened
            // I could be wrong, I hope so...
            // EDIT: I suppose you could override the onreadystatechange handler though
            for( i = 0; i < XMLHttpRequest.callbacks.length; i++ ) {
                XMLHttpRequest.callbacks[i]( this )
            }
            // call the native send()
            oldSend.apply(this, arguments)
        }
    }
}

addXMLRequestCallback( function( xhr ) {
        xhr.addEventListener("load", function(){
        if ( xhr.readyState == 4 && xhr.status == 200 ) {
            let res = getUserId(xhr.responseURL)
            if ( res !== ''){
                console.log(xhr.headers)
                userId = res
            }
        }
    })
})

function runAsync(url){
    var p = new Promise((resolve, reject) => {
        let request = new XMLHttpRequest()
        request.withCredentials = true
        request.onreadystatechange = function(){
            if (request.readyState === XMLHttpRequest.DONE) {
                if (request.status === 200) {
                    resolve(request.response)
                } else {
                    console.log(request.response)
                    reject(Error(this.response.status))
                }
            }
        }
        
        request.onerror = function() {
            reject(Error('error'))
        }
        request.open('get', url)
        request.setRequestHeader('x-ig-app-id', '936619743392459')
        request.send()
    })
    return p
}

GM_addStyle ( `
    #myContainer {
        position:               absolute;
        top:                    0;
        left:                   0;
        font-size:              10px;
        background:             orange;
        border:                 3px outset black;
        margin:                 5px;
        opacity:                0.9;
        z-index:                1100;
        padding:                5px 20px;
    }
    #myButton {
        cursor:                 pointer;
    }
    #myContainer p {
        color:                  red;
        background:             white;
    }
` )