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Recaptcha Solver (Automatically solves Recaptcha in browser)

Recaptcha Solver in Browser | Automatically solves Recaptcha in browser

// ==UserScript==
// @name         Recaptcha Solver (Automatically solves Recaptcha in browser)
// @namespace    Recaptcha Solver
// @version      2.1
// @description  Recaptcha Solver in Browser | Automatically solves Recaptcha in browser
// @author       engageub
// @match        *://*/recaptcha/*
// @connect      engageub.pythonanywhere.com
// @connect      engageub1.pythonanywhere.com
// @grant        GM_xmlhttpRequest
/*

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/*


/** Note: This script is solely intended for the use of educational purposes only and not to abuse any website.
This script uses audio in order to solve the captcha. Use it wisely and do not abuse any website.
*/
// ==/UserScript==
(function() {
    'use strict';
    var solved = false;
    var checkBoxClicked = false;
    var waitingForAudioResponse = false;
    //Node Selectors
    const CHECK_BOX = ".recaptcha-checkbox-border";
    const AUDIO_BUTTON = "#recaptcha-audio-button";
    const PLAY_BUTTON = ".rc-audiochallenge-play-button .rc-button-default";
    const AUDIO_SOURCE = "#audio-source";
    const IMAGE_SELECT = "#rc-imageselect";
    const RESPONSE_FIELD = ".rc-audiochallenge-response-field";
    const AUDIO_ERROR_MESSAGE = ".rc-audiochallenge-error-message";
    const AUDIO_RESPONSE = "#audio-response";
    const RELOAD_BUTTON = "#recaptcha-reload-button";
    const RECAPTCHA_STATUS = "#recaptcha-accessible-status";
    const DOSCAPTCHA = ".rc-doscaptcha-body";
    const VERIFY_BUTTON = "#recaptcha-verify-button";
    const MAX_ATTEMPTS = 5;
    var requestCount = 0;
    var recaptchaLanguage = qSelector("html").getAttribute("lang");
    var audioUrl = "";
    var recaptchaInitialStatus = qSelector(RECAPTCHA_STATUS) ? qSelector(RECAPTCHA_STATUS).innerText : ""
    var serversList = ["https://engageub.pythonanywhere.com","https://engageub1.pythonanywhere.com"];
    var latencyList = Array(serversList.length).fill(10000);
    //Check for visibility && Click the check box
    function isHidden(el) {
        return(el.offsetParent === null)
    }

    async function getTextFromAudio(URL) {
        var minLatency = 100000;
        var url = "";

        //Selecting the last/latest server by default if latencies are equal
        for(let k=0; k< latencyList.length;k++){
            if(latencyList[k] <= minLatency){
                minLatency = latencyList[k];
                url = serversList[k];
            }
        }

        requestCount = requestCount + 1;
        URL = URL.replace("recaptcha.net", "google.com");
        if(recaptchaLanguage.length < 1) {
            console.log("Recaptcha Language is not recognized");
            recaptchaLanguage = "en-US";
        }
        console.log("Recaptcha Language is " + recaptchaLanguage);

        GM_xmlhttpRequest({
            method: "POST",
            url: url,
            headers: {
                "Content-Type": "application/x-www-form-urlencoded"
            },
            data: "input=" + encodeURIComponent(URL) + "&lang=" + recaptchaLanguage,
            timeout: 60000,
            onload: function(response) {
                console.log("Response::" + response.responseText);
                try {
                    if(response && response.responseText) {
                        var responseText = response.responseText;
                        //Validate Response for error messages or html elements
                        if(responseText == "0" || responseText.includes("<") || responseText.includes(">") || responseText.length < 2 || responseText.length > 50) {
                            //Invalid Response, Reload the captcha
                            console.log("Invalid Response. Retrying..");
                        } else if(qSelector(AUDIO_SOURCE) && qSelector(AUDIO_SOURCE).src && audioUrl == qSelector(AUDIO_SOURCE).src && qSelector(AUDIO_RESPONSE)
                                  && !qSelector(AUDIO_RESPONSE).value && qSelector(AUDIO_BUTTON).style.display == "none" && qSelector(VERIFY_BUTTON)) {
                            qSelector(AUDIO_RESPONSE).value = responseText;
                            qSelector(VERIFY_BUTTON).click();
                        } else {
                            console.log("Could not locate text input box")
                        }
                        waitingForAudioResponse = false;
                    }

                } catch(err) {
                    console.log(err.message);
                    console.log("Exception handling response. Retrying..");
                    waitingForAudioResponse = false;
                }
            },
            onerror: function(e) {
                console.log(e);
                waitingForAudioResponse = false;
            },
            ontimeout: function() {
                console.log("Response Timed out. Retrying..");
                waitingForAudioResponse = false;
            },
        });
    }


    async function pingTest(url) {
        var start = new Date().getTime();
        GM_xmlhttpRequest({
            method: "GET",
            url: url,
            headers: {
                "Content-Type": "application/x-www-form-urlencoded"
            },
            data: "",
            timeout: 8000,
            onload: function(response) {

                if(response && response.responseText && response.responseText=="0") {
                    var end = new Date().getTime();
                    var milliseconds = end - start;

                    // For large values use Hashmap
                    for(let i=0; i< serversList.length;i++){
                        if (url == serversList[i]) {
                            latencyList[i] = milliseconds;
                        }
                    }
                }
            },
            onerror: function(e) {
                console.log(e);
            },
            ontimeout: function() {
                console.log("Ping Test Response Timed out for " + url);
            },
        });
    }


    function qSelectorAll(selector) {
        return document.querySelectorAll(selector);
    }

    function qSelector(selector) {
        return document.querySelector(selector);
    }



    if(qSelector(CHECK_BOX)){
        qSelector(CHECK_BOX).click();
    } else if(window.location.href.includes("bframe")){
        for(let i=0; i< serversList.length;i++){
            pingTest(serversList[i]);
        }
    }

    //Solve the captcha using audio
    var startInterval = setInterval(function() {
        try {
            if(!checkBoxClicked && qSelector(CHECK_BOX) && !isHidden(qSelector(CHECK_BOX))) {
                //console.log("checkbox clicked");
                qSelector(CHECK_BOX).click();
                checkBoxClicked = true;
            }
            //Check if the captcha is solved
            if(qSelector(RECAPTCHA_STATUS) && (qSelector(RECAPTCHA_STATUS).innerText != recaptchaInitialStatus)) {
                solved = true;
                console.log("SOLVED");
                clearInterval(startInterval);
            }
            if(requestCount > MAX_ATTEMPTS) {
                console.log("Attempted Max Retries. Stopping the solver");
                solved = true;
                clearInterval(startInterval);
            }
            if(!solved) {
                if(qSelector(AUDIO_BUTTON) && !isHidden(qSelector(AUDIO_BUTTON)) && qSelector(IMAGE_SELECT)) {
                    // console.log("Audio button clicked");
                    qSelector(AUDIO_BUTTON).click();
                }
                if((!waitingForAudioResponse && qSelector(AUDIO_SOURCE) && qSelector(AUDIO_SOURCE).src
                    && qSelector(AUDIO_SOURCE).src.length > 0 && audioUrl == qSelector(AUDIO_SOURCE).src
                    && qSelector(RELOAD_BUTTON)) ||
                   (qSelector(AUDIO_ERROR_MESSAGE) && qSelector(AUDIO_ERROR_MESSAGE).innerText.length > 0 && qSelector(RELOAD_BUTTON) &&
                    !qSelector(RELOAD_BUTTON).disabled)){
                    qSelector(RELOAD_BUTTON).click();
                } else if(!waitingForAudioResponse && qSelector(RESPONSE_FIELD) && !isHidden(qSelector(RESPONSE_FIELD))
                          && !qSelector(AUDIO_RESPONSE).value && qSelector(AUDIO_SOURCE) && qSelector(AUDIO_SOURCE).src
                          && qSelector(AUDIO_SOURCE).src.length > 0 && audioUrl != qSelector(AUDIO_SOURCE).src
                          && requestCount <= MAX_ATTEMPTS) {
                    waitingForAudioResponse = true;
                    audioUrl = qSelector(AUDIO_SOURCE).src
                    getTextFromAudio(audioUrl);
                }else {
                    //Waiting
                }
            }
            //Stop solving when Automated queries message is shown
            if(qSelector(DOSCAPTCHA) && qSelector(DOSCAPTCHA).innerText.length > 0) {
                console.log("Automated Queries Detected");
                clearInterval(startInterval);
            }
        } catch(err) {
            console.log(err.message);
            console.log("An error occurred while solving. Stopping the solver.");
            clearInterval(startInterval);
        }
    }, 5000);

})();