API wrapper for using DeathByCaptcha's decaptcha service
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.greatest.deepsurf.us/scripts/9125/158918/DeathByCatpcha%20API%20Wrapper.js
// ==UserScript==
// @name DeathByCatpcha API Wrapper
// @grant GM_xmlhttpRequest
// ==/UserScript==
function DeathByCaptcha (dbc_user, dbc_pass) {
this.user = dbc_user;
this.pass = dbc_pass;
this.balance = function balance(callback) {
var reqUrl = 'http://api.dbcapi.me/api/user';
var formData = new FormData();
formData.append('username', this.user);
formData.append('password', this.pass);
GM_xmlhttpRequest({
method: 'POST',
headers: {
'Accept': 'application/json'
},
data: formData,
url: reqUrl,
onload: function (response) {
if (response.status === 200) {
var balance = JSON.parse(response.responseText).balance;
callback(null, balance);
} else {
callback(new Error(response.status), null);
}
}
});
};
this.report = function report(capId, callback) {
var reportUrl = 'http://api.dbcapi.me/api/captcha/' + capId + '/report';
var formData = new FormData();
formData.append('username', this.user);
formData.append('password', this.pass);
GM_xmlhttpRequest({
method: 'POST',
data: formData,
url: reportUrl,
onload: function (response) {
if (response.status === 200) {
console.log('DeathByCaptcha: captcha reported as incorrect');
callback(null);
} else {
callback(new Error(response.status));
}
}
});
};
this.solve = function solve(imgNode, callback) {
//create base64 uri
var canvas = document.createElement('CANVAS');
var ctx = canvas.getContext('2d');
canvas.height = imgNode.height;
canvas.width = imgNode.width;
ctx.drawImage(img, 0, 0);
var imgB64 = canvas.toDataURL().replace(/data:image\/(png|jpg);base64,/, 'base64:');
//create form to submit to DBC
var formData = new FormData();
formData.append('username', this.user);
formData.append('password', this.pass);
formData.append('captchafile', imgB64);
//upload captcha to DBC
GM_xmlhttpRequest({
method: 'POST',
data: formData,
url: 'http://api.dbcapi.me/api/captcha',
onload: function (response) {
//return http errors
switch (response.status) {
case 403:
console.error('DeathByCaptcha: 403 Forbidden - Invalid credentails or insufficient credits');
callback(new Error(403));
return;
case 400:
console.error('DeathByCaptcha: 300 Bad Request');
callback(new Error(400));
return;
case 500:
callback(new Error(500));
console.error('DeathByCaptcha: 500 Internal Server Error');
return;
case 503:
console.error('DeathByCaptcha: 503 Service Temporarily Unavailable');
callback(new Error(503));
return;
}
console.log('DeathByCaptcha: Uploaded captcha');
console.log("DeathByCaptcha: URL - " + response.finalUrl);
//check every 2 seconds if captcha is solved
var pollTimer = setInterval(function () {
GM_xmlhttpRequest({
method: 'GET',
headers: {
'Accept': 'application/json'
},
url: capUrl,
onload: function (response) {
console.log('DeathByCaptcha: Checking for solved captcha.');
if (response.status === 404) {
clearInterval(pollTimer);
console.log('DeathByCaptcha: Captcha ID Not Found.');
callback(new Error(404));
} else if (response.status === 200) {
var solution = JSON.parse(response.responseText).text;
var capId = JSON.parse(response.responseText).captcha;
if (solution !== '') {
clearInterval(pollTimer);
console.log('DeathByCaptcha: Captcha solved');
callback(null, solution, capId);
}
}
}
});
}, 2000);
}
});
};
}