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LEAP Web
---------------------
"LEAP Web" is the web-based component of the LEAP Platform, providing the following services:
* REST API for user registration.
* Admin interface to manage users.
* Client certificate distribution and renewal.
* User support help tickets.
* Billing
This web application is written in Ruby on Rails 3, using CouchDB as the backend data store.
Original code specific to this web application is licensed under the GNU Affero General Public License (version 3.0 or higher). See http://www.gnu.org/licenses/agpl-3.0.html for more information.
Documentation
---------------------------
For more information, see these files in the ``doc`` directory:
* DEPLOY -- for notes on deployment.
* DEVELOP -- for developer notes.
* CUSTOM -- how to customize.
Known problems
---------------------------
* Client certificates are generated without a CSR. The problem is that this makes the web
application extremely vulnerable to denial of service attacks. This was not an issue until we
started to allow the possibility of anonymously fetching a client certificate without
authenticating first.
* By its very nature, the user database is vulnerable to enumeration attacks. These are
very hard to prevent, because our protocol is designed to allow query of a user database via
proxy in order to provide network perspective.
Installation
---------------------------
Typically, this application is installed automatically as part of the LEAP Platform. To install it manually for testing or development, follow these instructions:
### Install system requirements
sudo apt-get install git ruby1.8 rubygems1.8 couchdb
sudo gem install bundler
On Debian Wheezy or later, there is a Debian package for bundler, so you can alternately run ``sudo apt-get install bundler``.
### Download source
git clone git://leap.se/leap_web
cd leap_web
git submodule update --init
### Install required ruby libraries
cd leap_web
bundle
Typically, you run ``bundle`` as a normal user and it will ask you for a sudo password when it is time to install the required gems. If you don't have sudo, run ``bundle`` as root.
Configuration
----------------------------
The configuration file `config/defaults.yml` providers good defaults for most
values. You can override these defaults by creating a file `config/config.yml`.
There are a few values you should make sure to modify:
production:
admins: ["myusername","otherusername"]
domain: example.net
force_ssl: true
secret_token: "4be2f60fafaf615bd4a13b96bfccf2c2c905898dad34..."
client_ca_key: "/etc/ssl/ca.key"
client_ca_cert: "/etc/ssl/ca.crt"
ca_key_password: nil
* `admins` is an array of usernames that are granted special admin privilege.
* `domain` is your fully qualified domain name.
* `force_ssl`, if set to true, will require secure cookies and turn on HSTS. Don't do this if you are using a self-signed server certificate.
* `secret_token`, used for cookie security, you can create one with `rake secret`. Should be at least 30 characters.
* `client_ca_key`, the private key of the CA used to generate client certificates.
* `client_ca_cert`, the public certificate the CA used to generate client certificates.
* `ca_key_password`, used to unlock the client_ca_key, if needed.
Running
-----------------------------
cd leap_web
rails server
Then open http://localhost:3000 in your web browser.
To peruse the database, visit http://localhost:5984/_utils/
Testing
--------------------------------
To run all tests
rake test
To run an individual test:
rake test TEST=certs/test/unit/client_certificate_test.rb
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