sitecheck

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src\autoLogin.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">src/</a> autoLogin.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 114/114 </div> <div class='fl pad1y space-right2'> 100% Branches 74/74 </div> <div class='fl pad1y space-right2'> 100% Functions 7/7 </div> <div class='fl pad1y space-right2'> 100% Lines 110/110 </div> <div class='fl pad1y'> 2 statements, 1 branch Ignored      </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312</td><td class="line-coverage quiet">                                  1× 1× 1× 1×   1×   1×                                     23×                         19× 1×     18×   18× 18× 3×     15×                           41× 41× 40× 39× 39× 119× 119× 119× 119× 7×     119× 37×   82× 37× 37×       39× 37×       4×                     35× 35× 35× 3× 3×     32× 32×   31× 1×   30× 30× 23×       31×   1×                       619× 619× 1298× 1258× 22×   1236×     619× 619×   619×                         588×   571× 571×   17×       17× 17× 17× 1×     16×                 16×                 16× 16× 1× 1×     15× 15×   15× 15×       15× 14× 14× 14×   14× 443× 38× 38×           1× 1×   15× 15×                                   586×   586× 586×                 586× 1× 1×     586× 586× 2× 2×       584× 584× 1168× 1138×   584× 14× 14×       570×   568×   568× 17611× 1× 1×       569×           1×</td><td class="text"><pre class="prettyprint lang-js">/** * @license Apache-2.0 * Copyright (C) 2016 The Sitecheck Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ "use strict"; var isRelativeUrl = require('is-relative-url'); var request = require('../src/requestwrapper.js'); var Url = require('url'); var inputVector = require('./inputVector.js');   var typicalUserFields = ["user", "username", "name", "email", "log", "id", "login", "usr", "u"];   var headers = { 'content-type': 'application/x-www-form-urlencoded', 'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 'accept-encoding': 'gzip, deflate', 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36' };   /** * A class that automatically finds login form in a webpage and gets connection data to allow subsequent automatic login to a website * This class may be used in 2 typical scenarii : * - crendentials are known and we want to check them : use login() * - crendentials are unknown or we need to make multiple login attempts. Use findLoginInputVector() once to get form data and then logInInputVector() for each connection attempt. */ class AutoLogin {   /** * Constructror. */ constructor() { this.failureIndicators = []; }   /** * Tries to log into a login form on a web page. * An error is returned in case of failure. * user, password and cookieJar are returned in case of success. * @param absoluteLoginFormUri - Url of web page on which to find the login form * @param user - user name, email, id, etc * @param password - password * @param callback - function(err, data). data : { user, password, cookieJar }. data is undefined in case of failure. */ login(absoluteLoginFormUri, user, password, cancellationToken, callback) { if (absoluteLoginFormUri && isRelativeUrl(absoluteLoginFormUri)) { callback(new Error("absoluteLoginFormUri cannot be relative. absoluteLoginFormUri must be absolute.")); } else { var cookieJar = request.jar();   this.findLoginInputVector(absoluteLoginFormUri, cookieJar, cancellationToken, (err, data) => { if (!data) { callback(new Error("Could not find a login form. Login operation canceled.")); } else { this.logInInputVector(absoluteLoginFormUri, data.inputVector, user, password, data.cookieJar, cancellationToken, callback); } }); } }   /** * Tries to find login forms in a page. * Returns the first login form that is found as an InputVector. * If no login form is found, returns null. * @param body - html content */ findLoginInputVectorInContent(body) { // get the list of all forms in the body let ivs = inputVector.parseHtml(body); if (ivs) { for (let iv of ivs) { let passwordFieldsCount = 0; for (let field of iv.fields) { let fieldNameLower = ''; let fieldTypeLower = ''; if (field.name) fieldNameLower = field.name.toLowerCase(); if (field.type) fieldTypeLower = field.type.toLowerCase(); else fieldTypeLower = "text";// default html input type   // note : html default input type is "text" : if no type attribute is found, consider a text field. if ((fieldTypeLower === "" || fieldTypeLower == "text" || fieldTypeLower == "email") && (fieldNameLower.indexOf("user") !== -1 || fieldNameLower.indexOf("name") !== -1 || fieldNameLower.indexOf("mail") !== -1 || fieldNameLower.indexOf("key") !== -1 || typicalUserFields.includes(fieldNameLower))) { iv.userField = field.name; } else if (fieldTypeLower == "password") { iv.passwordField = field.name; passwordFieldsCount++; } }   if (iv.passwordField && passwordFieldsCount == 1) { // if passwordFieldsCount == 2, we probably have an account creation form instead of a login form return iv; } } } return null; }   /** * Tries to find login forms in a page. * The callback is called with (null, {inputVector, cookieJar}) on the first login form that is found. * Action Url is always returned as an absolute url. * If no login form is found, the callback is called with (null, null) * @param callback */ findLoginInputVector(absoluteLoginFormUri, cookieJar, cancellationToken, callback) { var self = this; request.get({ url: absoluteLoginFormUri, headers: headers, timeout: 10000, cancellationToken: cancellationToken, jar: cookieJar }, (err, res, body) => { if (err && err.cancelled) { callback(null, null); return; }   let iv = self.findLoginInputVectorInContent(body); if (iv) { // make sure action url is absolute if (!iv.url) { iv.url = absoluteLoginFormUri; } else { let u = Url.parse(iv.url); if (!u.host) { iv.url = Url.resolve(absoluteLoginFormUri, iv.url); } }   callback(null, { inputVector: iv, cookieJar: cookieJar }); } else { callback(null, null); } }); }   /** * Renders ready-to-submit login form data from an InputVector and credentials * @param inputVector * @param user * @param password */ getFormData(inputVector, user, password) { var f = {}; for (let field of inputVector.fields) { if (field.name) { if (field.value) f[field.name] = field.value; else f[field.name] = ''; } } if (inputVector.userField) f[inputVector.userField] = user; if (inputVector.passwordField) f[inputVector.passwordField] = password;   return f; }   /** * Gets typical response data obtained from failed login attempts. * This data is intented to be compared with other login attempts responses to tell if they're successful. * Results of first call are memorized. Subsequent calls will use memorized results and are instantaneous. * @param absoluteLoginFormUri * @param inputVector * @param cookieJar * @param callback - (err, data) callback. data is an array of {response, body} */ getFailureIndicators(absoluteLoginFormUri, inputVector, unconnectedCookieJar, cancellationToken, callback) { if (this.failureIndicators && this.failureIndicators.length > 0) { // if job has already been done, we can save time and requests by using last result. callback(null, this.failureIndicators); return; } var self = this;   // create a virgin cookie jar // we must be sure to work with an unconnected session let unconnectedCookieJar2 = request.jar(); this.findLoginInputVector(absoluteLoginFormUri, unconnectedCookieJar2, cancellationToken, (err, data) => { if (!data) { callback(new Error("Could not find a login form. Login operation canceled.")); } else { let req1 = { method: inputVector.method, url: inputVector.url, timeout: 10000, cancellationToken: cancellationToken, headers: headers, form: self.getFormData(inputVector, "z86f4d56e489er89", "ecf6er4f8c5.A6ez4"), jar: data.cookieJar, followRedirect: false // we need to get statusCode before any redirection };   let req2 = { method: inputVector.method, url: inputVector.url, timeout: 10000, cancellationToken: cancellationToken, headers: headers, form: self.getFormData(inputVector, "z86f4d56e489er89", ""), // empty password jar: data.cookieJar, followRedirect: false // we need to get statusCode before any redirection };   request(req1, (err, res, body) => { if (err) { callback(new Error(err)); return; }   var ret = [{ res, body }]; request(req2, (err, res, body) => { /* istanbul ignore else */ Eif (!err) { ret.push({ res, body });   // finds the character index until which both body contents are identical. // Store the result in ret[n].bodyIdenticalBeginningLength if (ret[0].body && body) { var maxLength = Math.min(body.length, ret[0].body.length); ret[0].bodyIdenticalBeginningLength = maxLength; ret[1].bodyIdenticalBeginningLength = maxLength;   for (var i = 0; i < maxLength; i++) { if (body[i] !== ret[0].body[i]) { ret[0].bodyIdenticalBeginningLength = i; ret[1].bodyIdenticalBeginningLength = i; } } } } else{ callback(err); return; } self.failureIndicators = ret; // store result for quick further use callback(null, ret); }); }); } }); }   /** * Tries to log in with a triplet user,password,cookieJar. cookieJar contains eventual session id. * Returns an error on failure or data with an updated cookieJar on success. * @param absoluteLoginFormUri * @param inputVector * @param user * @param password * @param cookieJar * @param callback - function(err, data). data : { user, password, cookieJar } */ logInInputVector(absoluteLoginFormUri, inputVector, user, password, cookieJar, cancellationToken, callback) { var f = this.getFormData(inputVector, user, password);   this.getFailureIndicators(absoluteLoginFormUri, inputVector, cookieJar, cancellationToken, (err, failureIndicators) => { let req = { method: inputVector.method, url: inputVector.url, timeout: 10000, cancellationToken: cancellationToken, headers: headers, form: f, jar: cookieJar, followRedirect: false // we need to get statusCode before any redirection };   if (inputVector.enctype == "multipart/form-data") { req.form = undefined; req.formData = f; }   request(req, (err, res, body) => { if (err) { callback(err); return; }   // if http status code is different from failed logins, consider we're logged in. let statusCodeisDifferent = true; for (let failures of failureIndicators) { if (failures.res.statusCode == res.statusCode) statusCodeisDifferent = false; } if (statusCodeisDifferent) { callback(null, { user: user, password: password, cookieJar: cookieJar }); return; }   // could not tell with statusCode, try to check with body content if (failureIndicators[0].bodyIdenticalBeginningLength) { // If content beginning is different from failure cases beginning, consider we're logged in. let maxLength = Math.min(body.length, failureIndicators[0].bodyIdenticalBeginningLength); //failureIndicators[0].body; for (var i = 0; i < maxLength; i++) { if (failureIndicators[0].body[i] != body[i]) { callback(null, { user: user, password: password, cookieJar: cookieJar }); return; } } } callback(new Error("not connected"), null); }); }); } }   module.exports = AutoLogin;</pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Thu Jan 12 2017 18:36:02 GMT+0100 (Paris, Madrid) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>