How to deal with certificates using Selenium

Question

I am using Selenium to launch a browser  How can I deal with the webpages  URLs  that will ask the browser to accept a certificate or not   In Firefox  I may have a website like that asks me to accept its certificate like this     On the Internet Explorer browser  I may get something like this     On Google Chrome     I repeat my question  How can I automate the acceptance of a website s certificate when I launch a browser  Internet Explorer  Firefox and Google Chrome  with Selenium  Python programming language

User · Answer

For Firefox Python   The Firefox Self-signed certificate bug has now been fixed  accept ssl cert with marionette firefox webdrive python splinter   acceptSslCerts  should be replaced by  acceptInsecureCerts   from selenium import webdriver from selenium webdriver common desired capabilities import DesiredCapabilities from selenium webdriver firefox firefox binary import FirefoxBinary  caps   DesiredCapabilities FIREFOX copy   caps  acceptInsecureCerts     True ff binary   FirefoxBinary  path to the Nightly binary    driver   webdriver Firefox firefox binary ff binary  capabilities caps  driver get  https   expired badssl com

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Creating a profile and then a driver helps us get around the certificate issue in Firefox   var profile   new FirefoxProfile    profile SetPreference  network automatic-ntlm-auth trusted-uris   DESIREDURL    driver   new FirefoxDriver profile

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For the Firefox  you need to set accept untrusted certs FirefoxProfile   option to True   from selenium import webdriver  profile   webdriver FirefoxProfile   profile accept untrusted certs   True  driver   webdriver Firefox firefox profile profile  driver get  https   cacert org     driver close     For Chrome  you need to add --ignore-certificate-errors ChromeOptions   argument   from selenium import webdriver  options   webdriver ChromeOptions   options add argument  ignore-certificate-errors    driver   webdriver Chrome chrome options options  driver get  https   cacert org     driver close     For the Internet Explorer  you need to set acceptSslCerts desired capability   from selenium import webdriver  capabilities   webdriver DesiredCapabilities   INTERNETEXPLORER capabilities  acceptSslCerts     True  driver   webdriver Ie capabilities capabilities  driver get  https   cacert org     driver close       Actually  according to the Desired Capabilities documentation  setting acceptSslCerts capability to True should work for all browsers since it is a generic read write capability      acceptSslCerts      boolean      Whether the session should accept all SSL certs   by default      Working demo for Firefox    gt  gt  gt  from selenium import webdriver   Setting acceptSslCerts to False    gt  gt  gt  capabilities   webdriver DesiredCapabilities   FIREFOX  gt  gt  gt  capabilities  acceptSslCerts     False  gt  gt  gt  driver   webdriver Firefox capabilities capabilities   gt  gt  gt  driver get  https   cacert org     gt  gt  gt  print driver title  Untrusted Connection  gt  gt  gt  driver close     Setting acceptSslCerts to True    gt  gt  gt  capabilities   webdriver DesiredCapabilities   FIREFOX  gt  gt  gt  capabilities  acceptSslCerts     True  gt  gt  gt  driver   webdriver Firefox capabilities capabilities   gt  gt  gt  driver get  https   cacert org     gt  gt  gt  print driver title  Welcome to CAcert org  gt  gt  gt  driver close

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In selenium python  you need to set desired capabilities as   desired capabilities          acceptInsecureCerts   True

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Delete all but the necessary certificate from your browser s certificate store and then configure the browser to automatically select the certificate when only one certificate is present

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Just an update regarding this issue   Require Drivers   Linux  Centos 7 64bit  Window 7 64bit  Firefox  52 0 3  Selenium Webdriver  3 4 0  Windows   3 8 1  Linux Centos   GeckoDriver  v0 16 0  Windows   v0 17 0  Linux Centos   Code  System setProperty  webdriver gecko driver     home seleniumproject geckodrivers linux v0 17 geckodriver     ProfilesIni ini   new ProfilesIni         Change the profile name to your own  The profile name can     be found under  mozilla folder    mozilla firefox profile      See you profile ini for the default profile name  FirefoxProfile profile   ini getProfile  default      DesiredCapabilities cap   new DesiredCapabilities    cap setAcceptInsecureCerts true    FirefoxBinary firefoxBinary   new FirefoxBinary     GeckoDriverService service  new GeckoDriverService Builder firefoxBinary       usingDriverExecutable new  File   home seleniumproject geckodrivers linux v0 17 geckodriver         usingAnyFreePort        usingAnyFreePort        build    try       service start      catch  IOException e        e printStackTrace       FirefoxOptions options   new FirefoxOptions   setBinary firefoxBinary  setProfile profile  addCapabilities cap    driver   new FirefoxDriver options   driver get  https   www google com     System out println  Life Title - gt      driver getTitle     driver close

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Whenever I run into this issue with newer browsers  I just use AppRobotic Personal edition to click specific screen coordinates  or tab through the buttons and click    Basically it s just using its macro functionality  but won t work on headless setups though

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I was able to do this on  net c  with PhantomJSDriver with selenium web driver 3 1    TestMethod      public void headless                   var driverService   PhantomJSDriverService CreateDefaultService   C  Driver phantomjs             driverService SuppressInitialDiagnosticInformation   true          driverService AddArgument  --web-security no            driverService AddArgument  --ignore-ssl-errors yes            driver   new PhantomJSDriver driverService            driver Navigate   GoToUrl  XXXXXX aspx             Thread Sleep 6000

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For people coming to this question related to headless chrome via python selenium  you may find https   bugs chromium org p chromium issues detail id 721739 c102 to be useful    It looks like you can either do  chrome options   Options   chrome options add argument  --allow-insecure-localhost     or something along the lines of the following  may need to adapt for python    ChromeOptions options   new ChromeOptions   DesiredCapabilities caps   DesiredCapabilities chrome   caps setCapability ChromeOptions CAPABILITY  options  caps setCapability  acceptInsecureCerts   true  WebDriver driver   new ChromeDriver caps

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Javascript   const capabilities   webdriver Capabilities phantomjs    capabilities set webdriver Capability ACCEPT SSL CERTS  true   capabilities set webdriver Capability SECURE SSL  false   capabilities set  phantomjs cli args     --web-security no    --ssl-protocol any    --ignore-ssl-errors yes     const driver   new webdriver Builder   withCapabilities webdriver Capabilities chrome    capabilities  build

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I ran into the same issue with Selenium and Behat  If you want to pass the parameters via behat yml  here is what it needs to look like   default      extensions          Behat MinkExtension              base url  https   my-app com             default session  selenium2             selenium2                  browser  firefox                 capabilities                      extra capabilities                          acceptInsecureCerts  true

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It looks like it still doesn t have a standard decision of this problem  In other words - you still can t say  Okay  do a certification  whatever if you are Internet nbsp Explorer  Mozilla or Google Chrome   But I found one post that shows how to work around the problem in Mozilla Firefox  If you are interested in it  you can check it here

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I had the exact same issue  However when I tried opening the website manually in the browser the certificate was correct  but in the details the name was  DONOTTRUST    The difference of certificate was caused by Fiddler that was running in background and decrypting all HTTPS content before reencrypting it   To fix my problem  just close Fiddler on machine  If you need to keep Fiddler opened  then you can uncheck Decrypt SSL in Fiddler Settings

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And in C    net core  using Selenium Webdriver and Selenium Chrome Webdriver like this   ChromeOptions options   new ChromeOptions    options AddArgument  --ignore-certificate-errors    using  var driver   new ChromeDriver Path GetDirectoryName Assembly GetExecutingAssembly   Location  options

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For Firefox   ProfilesIni profile   new ProfilesIni    FirefoxProfile myprofile   profile getProfile  default    myprofile setAcceptUntrustedCertificates true   myprofile setAssumeUntrustedCertificateIssuer true   WebDriver driver   new FirefoxDriver myprofile     For Chrome we can use   DesiredCapabilities capabilities   DesiredCapabilities chrome    capabilities setCapability  chrome switches   Arrays asList  --ignore-certificate-errors     driver   new ChromeDriver capabilities     For Internet nbsp Explorer we can use   DesiredCapabilities capabilities   new DesiredCapabilities    capabilities setCapability CapabilityType ACCEPT SSL CERTS  true         Webdriver driver   new InternetExplorerDriver capabilities

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For those who come to this issue using Firefox and the above solutions don t work  you may try the code below  my original answer is here    from selenium import webdriver  profile   webdriver FirefoxProfile   profile DEFAULT PREFERENCES  frozen    marionette contentListener     True profile DEFAULT PREFERENCES  frozen    network stricttransportsecurity preloadlist     False profile DEFAULT PREFERENCES  frozen    security cert pinning enforcement level     0 profile set preference  webdriver assume untrusted issuer   False  profile set preference  browser download folderList   2  profile set preference  browser download manager showWhenStarting   False  profile set preference  browser download dir   temp folder  profile set preference  browser helperApps neverAsk saveToDisk                       text plain  image png   driver   webdriver Firefox firefox profile profile

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WebDriverManager chromedriver   setup    ChromeOptions options   new ChromeOptions    options addArguments  --ignore-certificate-errors    driver   new ChromeDriver options     I have used it for Java with Chrome browser it is working nice

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ChromeOptions options   new ChromeOptions   addArguments  --proxy-server http       proxy       options setAcceptInsecureCerts true

[python] How to deal with certificates using Selenium?

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