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TROUBLESHOOTING.md

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Troubleshooting Gitter

Node.js / NPM

  • After changing to a different Node.js version it is a good idea to delete npm_modules and re-install all dependencies from scratch with npm install
  • If during npm install the sqlite3 or libxmljs binaries cannot be downloaded for your system, the setup falls back to building from source with node-gyp. Check the node-gyp installation instructions for additional tools you might need to install (e.g. Python 2.7, GCC, Visual C++ Build Tools etc.)
  • If npm install fails on Ubuntu you might have to install a recent version of Node.js and try again.
  • If npm install runs into a Unexpected end of JSON input error you might need to clean your NPM cache with npm cache clean --force and then try again

Docker

  • If using Docker Toolbox on Windows make sure that you also enable port forwarding from Host 127.0.0.1:3000 to 0.0.0.0:3000 for TCP for the default VM in VirtualBox.

Vagrant

  • Using the Vagrant script (on Windows) might not work while your virus scanner is running. This problem was experienced at least with F-Secure Internet Security.

OAuth

  • If you are missing the Login with Google button, you are running OWASP Juice Shop under an unrecognized URL. You can still solve the OAuth related challenge! If you want to manually make the OAuth integration work to get the full user experience, follow these steps:
    1. Add your server URL to variable authorizedRedirectURIs in /frontend/src/app/login/login.component.ts using your URL for both the property name and value.
    2. Setup your own OAuth binding in Google https://console.developers.google.com/apis/library by clicking Credentials and afterwards Create credentials.
    3. Update the clientId variable in login.component.ts to use your new OAuth client id from Google.
    4. Re-deploy your server. You will now have the option to login with Google on the login page.

One thing to note: Make sure that you setup the redirect_uri to match your app's URL. If you for some reason have to modify the redirect_uri, this gets cached on Google's end and takes longer than you'll want to wait to reset.

Miscellaneous

  • You may find it easier to find vulnerabilities using a pen test tool. We strongly recommend Zed Attack Proxy which is open source and very powerful, yet beginner friendly.