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solver.js
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await page.evaluate(() => {
import("https://cdn.jsdelivr.net/npm/axios@1.1.2/dist/axios.min.js")
function qSelectorAll(selector) {
return document.querySelector('iframe[src*="api2/anchor"]').contentWindow.document.querySelectorAll(selector);
}
function qSelector(selector) {
return document.querySelector('iframe[src*="api2/anchor"]').contentWindow.document.querySelector(selector);
}
function ifqSelector(selector) {
return document.querySelector('iframe[src*="api2/bframe"]').contentWindow.document.querySelector(selector)
}
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);
axios({
method: "POST",
url: url,
headers: {
"Content-Type": "application/x-www-form-urlencoded"
},
data: "input=" + encodeURIComponent(URL) + "&lang=" + recaptchaLanguage,
timeout: 60000,
}).then((response) => {
console.log("Response::" + response.data);
try {
if (!!response && !!response.data) {
var responseText = response.data;
console.log("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 (!!ifqSelector(AUDIO_SOURCE) && !!ifqSelector(AUDIO_SOURCE).src && audioUrl == ifqSelector(AUDIO_SOURCE).src && !!ifqSelector(AUDIO_RESPONSE)
&& !ifqSelector(AUDIO_RESPONSE).value && !!ifqSelector(VERIFY_BUTTON)) {
ifqSelector(AUDIO_RESPONSE).value = responseText;
ifqSelector(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;
}
}).catch((e) => {
console.log(e);
waitingForAudioResponse = false;
});
}
async function pingTest(url) {
var start = new Date().getTime();
axios({
method: "GET",
url: url,
headers: {
"Content-Type": "application/x-www-form-urlencoded"
},
data: "",
timeout: 15000
}).then((response) => {
console.log(response)
if (!!response && !response.data && response.data == "0") {
var end = new Date().getTime();
var milliseconds = end - start;
console.log(milliseconds)
// For large values use Hashmap
for (let i = 0; i < serversList.length; i++) {
if (url == serversList[i]) {
latencyList[i] = milliseconds;
}
}
}
});
}
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 (!!ifqSelector(AUDIO_BUTTON) && !isHidden(ifqSelector(AUDIO_BUTTON)) && !!ifqSelector(IMAGE_SELECT)) {
// console.log("Audio button clicked");
ifqSelector(AUDIO_BUTTON).click();
}
if ((!waitingForAudioResponse && !!ifqSelector(AUDIO_SOURCE) && !!ifqSelector(AUDIO_SOURCE).src
&& ifqSelector(AUDIO_SOURCE).src.length > 0 && audioUrl == ifqSelector(AUDIO_SOURCE).src
&& ifqSelector(RELOAD_BUTTON)) ||
(ifqSelector(AUDIO_ERROR_MESSAGE) && ifqSelector(AUDIO_ERROR_MESSAGE).innerText.length > 0 && ifqSelector(RELOAD_BUTTON) &&
!ifqSelector(RELOAD_BUTTON).disabled)) {
ifqSelector(RELOAD_BUTTON).click();
} else if (!waitingForAudioResponse && ifqSelector(RESPONSE_FIELD) && !isHidden(ifqSelector(RESPONSE_FIELD))
&& !ifqSelector(AUDIO_RESPONSE).value && ifqSelector(AUDIO_SOURCE) && ifqSelector(AUDIO_SOURCE).src
&& ifqSelector(AUDIO_SOURCE).src.length > 0 && audioUrl != ifqSelector(AUDIO_SOURCE).src
&& requestCount <= MAX_ATTEMPTS) {
waitingForAudioResponse = true;
audioUrl = ifqSelector(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);
})