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weconnect.js
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weconnect.js
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/*
Usage example:
weconnect = require('./weconnect');
await weconnect.login(CARNET_USERNAME, CARNET_PASSWORD).catch(err => {
console.log("Exception: ", err);
});
let res = await weconnect.api('/-/vehicle-info/get-vehicle-details');
console.log('API res = ', res);
Alternative:
weconnect = require('./weconnect');
weconnect.login(CARNET_USERNAME, CARNET_PASSWORD)
.then(api => {
api('/-/vehicle-info/get-vehicle-details')
.then(res => {
console.log('API res = ', res);
})
})
Known functions:
'/-/msgc/get-new-messages'
'/-/vsr/request-vsr'
'/-/vsr/get-vsr'
'/-/cf/get-location'
'/-/vehicle-info/get-vehicle-details'
'/-/emanager/get-emanager'
*/
const RP = require("request-promise");
let auth_headers = {};
let headers = {
Accept: "application/json, text/plain, */*",
"Content-Type": "application/json;charset=UTF-8",
"User-Agent":
"Mozilla/5.0 (Linux; Android 6.0.1; D5803 Build/23.5.A.1.291; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36"
};
const AUTH_BASE_URL = "https://identity.vwgroup.io";
const BASE_URL = "https://www.portal.volkswagen-we.com";
const LANDING_PAGE_URL = BASE_URL + "/portal/no_NO/web/guest/home";
const GET_LOGIN_URL =
BASE_URL + "/portal/en_GB/web/guest/home/-/csrftokenhandling/get-login-url";
const COMPLETE_LOGIN_URL = BASE_URL + "/portal/web/guest/complete-login";
const csrf_re = new RegExp('<meta name="_csrf" content="([^"]*)"/>');
const login_action_url_re = new RegExp(
'<formclass="content"id="emailPasswordForm"name="emailPasswordForm"method="POST"novalidate*.*action="([^"]*)">'
);
const login_action_url2_re = new RegExp(
'<formclass="content"id="credentialsForm"name="credentialsForm"method="POST"action="([^"]*)">'
);
const login_relay_state_token_re = new RegExp(
'<inputtype="hidden"id="input_relayState"name="relayState"value="([^"]*)"/>'
);
const login_csrf_re = new RegExp(
'<inputtype="hidden"id="csrf"name="_csrf"value="([^"]*)"/>'
);
const login_hmac_re = new RegExp(
'<inputtype="hidden"id="hmac"name="hmac"value="([^"]*)"/>'
);
const authcode_re = new RegExp('&code=([^"]*)');
let apiUrl = "";
log = function(...args) {
// console.log(args);
};
extract_csrf = function(r) {
return r.match(csrf_re)[1];
};
extract_login_action_url = function(r) {
const loginhtml = r
.replace(/\n/g, "")
.replace(/\r/g, "")
.replace(/ /g, "");
return loginhtml.match(login_action_url_re)[1];
};
extract_login_action2_url = function(r) {
const loginhtml = r
.replace(/\n/g, "")
.replace(/\r/g, "")
.replace(/ /g, "");
return loginhtml.match(login_action_url2_re)[1];
};
extract_login_relay_state_token = function(r) {
const loginhtml = r
.replace(/\n/g, "")
.replace(/\r/g, "")
.replace(/ /g, "");
return loginhtml.match(login_relay_state_token_re)[1];
};
extract_login_hmac = function(r) {
const loginhtml = r
.replace(/\n/g, "")
.replace(/\r/g, "")
.replace(/ /g, "");
return loginhtml.match(login_hmac_re)[1];
};
extract_login_csrf = function(r) {
const loginhtml = r
.replace(/\n/g, "")
.replace(/\r/g, "")
.replace(/ /g, "");
return loginhtml.match(login_csrf_re)[1];
};
extract_code = function(r) {
return r.match(authcode_re)[1];
};
build_complete_login_url = function(state) {
return (
COMPLETE_LOGIN_URL +
"?p_auth=" +
state +
"&p_p_id=33_WAR_cored5portlet&p_p_lifecycle=1&p_p_state=normal&p_p_mode=view&p_p_col_id=column-1&p_p_col_count=1&_33_WAR_cored5portlet_javax.portlet.action=getLoginStatus"
);
};
remove_whitespace = function(r) {
return r
.replace(/\n/g, "")
.replace(/\r/g, "")
.replace(/ /g, "");
};
function JSON_to_URLEncoded(element, key, list) {
var list = list || [];
if (typeof element == "object") {
for (var idx in element)
JSON_to_URLEncoded(element[idx], key ? key + "[" + idx + "]" : idx, list);
} else {
list.push(key + "=" + encodeURIComponent(element));
}
return list.join("&");
}
function catchRedirect(uri, headers, body, method, writefile) {
return new Promise((resolve, reject) => {
rp({
headers: headers,
uri: uri,
body: body,
method: method,
resolveWithFullResponse: true,
followRedirect: false,
rejectUnauthorized: false
})
.then(res => {
log("Failed catching redirect: ", res.statusCode);
if (writefile) {
writefile(res.body);
}
reject("Failed to log in to We Connect (catching redirect)");
})
.catch(err => {
if (err.response && err.response.headers) {
resolve(err.response.headers.location);
} else {
log("Error catching redirect: ", err);
reject("weconnect: Error catching redirect: ", err);
}
});
});
}
let savedEmail = "";
let savedPassword = "";
let rp = null;
let cookieJar = null;
function callLandingPage(landing_page_url) {
// Call landing page and return csrf
return new Promise((resolve, reject) => {
rp({
uri: landing_page_url,
resolveWithFullResponse: true,
rejectUnauthorized: false,
method: "GET"
})
.then(res => {
if (res) {
csrf = extract_csrf(res.body);
resolve(csrf);
} else {
log("Error calling landing page");
reject("Error calling landing page. Status: " + res.statusCode);
}
})
.catch(err => {
log("Error calling landing page: ", err);
reject(err);
});
});
}
function getLoginUrl(base_url, csrf, get_login_url) {
return new Promise((resolve, reject) => {
auth_headers["Referer"] = base_url + "/portal";
auth_headers["X-CSRF-Token"] = csrf;
rp({
headers: auth_headers,
uri: get_login_url,
resolveWithFullResponse: true,
followAllRedirects: true,
rejectUnauthorized: false,
method: "POST"
})
.then(res => {
resolve(JSON.parse(res.body).loginURL["path"]);
})
.catch(err => {
log("Error getting login url: ", err);
reject(err);
});
});
}
function getLoginActionUrl(login_form_url) {
return rp({
headers: auth_headers,
uri: login_form_url,
resolveWithFullResponse: true,
followAllRedirects: true,
rejectUnauthorized: false,
method: "GET"
});
}
function sendLoginUserName(
email,
login_relay_state_token,
login_csrf,
hmac_token,
login_form_url,
login_action_url
) {
let data = {
email: email,
relayState: login_relay_state_token,
_csrf: login_csrf,
hmac: hmac_token
};
let form = JSON_to_URLEncoded(data);
auth_headers["Content-Length"] = form.length;
auth_headers["Referer"] = login_form_url;
auth_headers["Content-Type"] = "application/x-www-form-urlencoded";
delete auth_headers["X-CSRF-Token"];
return rp({
headers: auth_headers,
uri: login_action_url,
form: form,
method: "POST",
resolveWithFullResponse: true,
followAllRedirects: true,
rejectUnauthorized: false
});
}
function sendLoginPasssword(
email,
login_action_url_response_data,
password,
login_action_url,
login_action2_url
) {
// Send login password and get action url
const login_relay_state_token2 = extract_login_relay_state_token(
login_action_url_response_data
);
const hmac_token2 = extract_login_hmac(login_action_url_response_data);
const login_csrf2 = extract_login_csrf(login_action_url_response_data);
data = {
email: email,
relayState: login_relay_state_token2,
_csrf: login_csrf2,
hmac: hmac_token2,
password: password
};
form = JSON_to_URLEncoded(data);
contentLength = form.length;
auth_headers["Content-Length"] = contentLength;
auth_headers["Referer"] = login_action_url;
log("Calling rp:");
log("headers: ", auth_headers);
log("uri: ", login_action2_url);
log("form: ", form);
log("method: ", "POST");
return rp({
headers: auth_headers,
uri: login_action2_url,
form: form,
method: "POST",
resolveWithFullResponse: true,
followAllRedirects: true,
rejectUnauthorized: false
});
}
function getFinalState(api_url) {
// Complete login and get final state
return rp({
headers: auth_headers,
uri: api_url,
resolveWithFullResponse: true,
followAllRedirects: true,
method: "GET",
rejectUnauthorized: false
});
}
exports.login = function(email, password, writefile) {
return new Promise((resolve, reject) => {
savedEmail = email;
savedPassword = password;
cookieJar = RP.jar();
rp = RP.defaults({ jar: cookieJar });
let login_form_url = "";
let login_action_url = "";
let login_action2_url = "";
auth_headers = {
Accept:
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"User-Agent":
"Mozilla/5.0 (Linux; Android 6.0.1; D5803 Build/23.5.A.1.291; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36"
};
log("Calling landing page");
callLandingPage(LANDING_PAGE_URL)
.then(res => {
const csrf = res;
log("Calling getLoginUrl");
log("Calling login url");
return getLoginUrl(BASE_URL, csrf, GET_LOGIN_URL);
})
.then(res => {
const login_url = res;
log("Calling catchRedirect");
return catchRedirect(login_url, auth_headers, "", "GET", writefile);
})
.then(res => {
const login_form_url = res;
log("Calling getLoginActionUrl");
return getLoginActionUrl(login_form_url);
})
.then(res => {
login_action_url = AUTH_BASE_URL + extract_login_action_url(res.body);
const login_relay_state_token = extract_login_relay_state_token(
res.body
);
const hmac_token = extract_login_hmac(res.body);
const login_csrf = extract_login_csrf(res.body);
log("Calling sendLoginUserName");
return sendLoginUserName(
email,
login_relay_state_token,
login_csrf,
hmac_token,
login_form_url,
login_action_url
);
})
.then(res => {
const login_action_url_response_data = remove_whitespace(res.body);
try {
login_action2_url =
AUTH_BASE_URL +
extract_login_action2_url(login_action_url_response_data);
} catch (e) {
log("Error getting login action url: ", e);
reject("weconnect: Failed to log in. Wrong user: " + email);
return;
}
log("Calling sendLoginPasssword");
return sendLoginPasssword(
email,
login_action_url_response_data,
password,
login_action_url,
login_action2_url
);
})
.then(res => {
// Get base url
if (res.statusCode != 200) {
reject("Error getting base url. Status: " + res.statusCode);
}
let portlet_code = "";
log("Extracting portlet code from: ", res.request.path);
try {
portlet_code = extract_code(res.request.path);
} catch (e) {
log("Error calling landing page: ", e);
reject("weconnect: Failed to log in. Wrong password. " + e);
return;
}
auth_headers["Referer"] = login_action2_url;
const csrf = extract_csrf(res.body);
const complete_login_url = build_complete_login_url(csrf);
const data = {
_33_WAR_cored5portlet_code: portlet_code
};
const form = JSON_to_URLEncoded(data);
const contentLength = form.length;
auth_headers["Content-Length"] = contentLength;
log("Calling catchRedirect to complete login url");
log("url: ", complete_login_url);
log("auth_headers: ", auth_headers);
log("form: ", form);
return catchRedirect(
complete_login_url,
auth_headers,
form,
"POST",
writefile
);
})
.then(res => {
if (!res) {
log("weconnect: Failed to login (get base url).");
reject("weconnect: Failed to login (get base url).");
return;
}
apiUrl = res; // Set global API url
delete auth_headers["Content-Length"];
log("Calling getFinalState");
return getFinalState(apiUrl);
})
.then(res => {
log("Last login url response status: " + res.statusCode);
const csrf = extract_csrf(res.body);
headers["Referer"] = apiUrl;
headers["X-CSRF-Token"] = csrf;
log("resolving");
resolve(this.api);
})
.catch(err => {
log("rejecting");
log("Error: ", err);
reject(err);
});
});
};
tryApi = function(uri) {
return new Promise((resolve, reject) => {
if (!apiUrl) {
reject(
"weconnect error: You must successfully call login before doing api calls."
);
return;
}
rp({
headers: headers,
uri: apiUrl + uri,
method: "POST",
resolveWithFullResponse: true,
followAllRedirects: true,
rejectUnauthorized: false
})
.then(res => {
response = res;
resolve(response);
})
.catch(err => {
response = {
statusCode: 0,
body: err.message
};
resolve(response);
});
});
};
exports.api = function(uri, secondTime = false) {
return new Promise((resolve, reject) => {
tryApi(uri)
.then(response => {
if (response.body == '{"errorCode":"2"}') {
if (secondTime) {
const msg = "Second login attempt. Failing.";
console.log(msg);
reject(msg);
return;
}
console.log("weconnect token expired. Logging in again.");
this.login(savedEmail, savedPassword)
.then(api => {
resolve(api(uri, true));
return;
})
.catch(err => {
reject(err);
return;
});
}
resolve(response.body);
})
.catch(err => {
reject(err);
});
});
};