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ORY Hydra is a hardened, certified OAuth2 and OpenID Connect server optimized for low-latency, high throughput, and low resource consumption. ORY Hydra is not an identity provider (user sign up, user log in, password reset flow), but connects to your existing identity provider through a consent app. Implementing the consent app in a different language is easy, and exemplary consent apps (Go, Node) and SDKs are provided.
Besides mitigating various attack vectors, such as database compromisation and OAuth 2.0 weaknesses, ORY Hydra is also able to securely manage JSON Web Keys. Click here to read more about security.
Table of Contents
- What is ORY Hydra?
- Quickstart
- Ecosystem
- Security
- Benchmarks
- Telemetry
- Documentation
- Libraries and third-party projects
- Blog posts & articles
- Contributors
- Backers
- Sponsors
What is ORY Hydra?
ORY Hydra is a server implementation of the OAuth 2.0 authorization framework and the OpenID Connect Core 1.0. Existing OAuth2 implementations usually ship as libraries or SDKs such as node-oauth2-server or fosite, or as fully featured identity solutions with user management and user interfaces, such as Dex.
Implementing and using OAuth2 without understanding the whole specification is challenging and prone to errors, even when SDKs are being used. The primary goal of ORY Hydra is to make OAuth 2.0 and OpenID Connect 1.0 better accessible.
ORY Hydra implements the flows described in OAuth2 and OpenID Connect 1.0 without forcing you to use a "Hydra User Management" or some template engine or a predefined front-end. Instead it relies on HTTP redirection and cryptographic methods to verify user consent allowing you to use ORY Hydra with any authentication endpoint, be it authboss, User Frosting or your proprietary Java authentication.
OAuth2 and OpenID Connect: Open Standards!
ORY Hydra implements Open Standards set by the IETF:
- The OAuth 2.0 Authorization Framework
- OAuth 2.0 Threat Model and Security Considerations
- OAuth 2.0 Token Revocation
- OAuth 2.0 Token Introspection
- OAuth 2.0 Dynamic Client Registration Protocol
- OAuth 2.0 Dynamic Client Registration Management Protocol
- OAuth 2.0 for Native Apps
- Proof Key for Code Exchange by OAuth Public Clients
and the OpenID Foundation:
OpenID Connect Certified
ORY Hydra is an OpenID Foundation certified OpenID Provider.
The following OpenID profiles are certified:
- Basic OpenID Provider (response types
code) - Implicit OpenID Provider (response types
id_token,id_token+token) - Hybrid OpenID Provider (response types
code+id_token,code+id_token+token,code+token) - OpenID Provider Publishing Configuration Information
- Dynamic OpenID Provider
To obtain certification, we deployed the reference user login and consent app (unmodified) and ORY Hydra v1.0.0.
Quickstart
This section is a quickstart guide to working with ORY Hydra. In-depth docs are available as well:
5 minutes tutorial: Run your very own OAuth2 environment
The tutorial teaches you to set up ORY Hydra, a Postgres instance and an exemplary identity provider written in React using docker compose. It will take you about 5 minutes to complete the tutorial.
Installation
There are various ways of installing ORY Hydra on your system.
Download binaries
The client and server binaries are downloadable at releases.
There is currently no installer available. You have to add the ORY Hydra binary to the PATH environment variable yourself or put
the binary in a location that is already in your path (/usr/bin, ...).
If you do not understand what that all of this means, ask in our chat channel. We are happy to help.
Using Docker
Starting the host is easiest with docker. The host process handles HTTP requests and is backed by a database. Read how to install docker on Linux, OSX or Windows. ORY Hydra is available on Docker Hub.
You can use ORY Hydra without a database, but be aware that restarting, scaling or stopping the container will lose all data:
$ docker run -e "DATABASE_URL=memory" -e "ISSUER=https://localhost:4444/" -d --name my-hydra -p 4444:4444 oryd/hydra
ec91228cb105db315553499c81918258f52cee9636ea2a4821bdb8226872f54b
Note: We had to create a new docker hub repository. Tags prior to 0.7.5 are available here.
Using the client command line interface: You can enter into the ORY Hydra container and execute the ORY Hydra command from there:
$ docker exec -i -t <hydra-container-id> /bin/sh
# e.g. docker exec -i -t ec91228 /bin/sh
root@ec91228cb105:/go/src/github.com/ory/hydra# hydra
Hydra is a twelve factor OAuth2 and OpenID Connect provider
[...]
Building from source
If you wish to compile ORY Hydra yourself, you need to install and set up Go 1.10+ and add $GOPATH/bin
to your $PATH as well as golang/dep.
The following commands will check out the latest release tag of ORY Hydra and compile it and set up flags so that hydra version
works as expected. Please note that this will only work with a linux shell like bash or sh.
go get -d -u github.com/ory/hydra
cd $(go env GOPATH)/src/github.com/ory/hydra
HYDRA_LATEST=$(git describe --abbrev=0 --tags)
git checkout $HYDRA_LATEST
dep ensure -vendor-only
go install \
-ldflags "-X github.com/ory/hydra/cmd.Version=$HYDRA_LATEST -X github.com/ory/hydra/cmd.BuildTime=`TZ=UTC date -u '+%Y-%m-%dT%H:%M:%SZ'` -X github.com/ory/hydra/cmd.GitHash=`git rev-parse HEAD`" \
github.com/ory/hydra
git checkout master
hydra help
Ecosystem
ORY Security Console: Administrative User Interface
The ORY Security Console is a visual admin interface for managing ORY Hydra, ORY Oathkeeper, and ORY Keto.
ORY Oathkeeper: Identity & Access Proxy
ORY Oathkeeper is a BeyondCorp/Zero Trust Identity & Access Proxy (IAP) built on top of OAuth2 and ORY Hydra.
ORY Keto: Access Control Policies as a Server
ORY Keto is a policy decision point. It uses a set of access control policies, similar to AWS IAM Policies, in order to determine whether a subject (user, application, service, car, ...) is authorized to perform a certain action on a resource.
Examples
The ory/examples repository contains numerous examples of setting up this project individually and together with other services from the ORY Ecosystem.
Security
Why should I use ORY Hydra? It's not that hard to implement two OAuth2 endpoints and there are numerous SDKs out there!
OAuth2 and OAuth2 related specifications are over 400 written pages. Implementing OAuth2 is easy, getting it right is hard. ORY Hydra is trusted by companies all around the world, has a vibrant community and faces millions of requests in production each day. Of course, we also compiled a security guide with more details on cryptography and security concepts. Read the security guide now.
Disclosing vulnerabilities
If you think you found a security vulnerability, please refrain from posting it publicly on the forums, the chat, or GitHub and send us an email to hi@ory.am instead.
Benchmarks
Our continuous integration runs a collection of benchmarks against ORY Hydra. You can find the results in ./BENCHMARKS.md.
Telemetry
Our services collect summarized, anonymized data which can optionally be turned off. Click here to learn more.
Documentation
Guide
The Guide is available here.
HTTP API documentation
The HTTP API is documented here.
Upgrading and Changelog
New releases might introduce breaking changes. To help you identify and incorporate those changes, we document these changes in UPGRADE.md and CHANGELOG.md.
Command line documentation
Run hydra -h or hydra help.
Develop
Developing with ORY Hydra is as easy as:
go get -d -u github.com/ory/hydra
cd $GOPATH/src/github.com/ory/hydra
dep ensure
go test ./...
Then run it with in-memory database:
DATABASE_URL=memory go run main.go host
Notes
- We changed organization name from
ory-amtoory. In order to keep backwards compatibility, we did not rename Go packages. - You can ignore warnings similar to
package github.com/ory/hydra/cmd/server: case-insensitive import collision: "github.com/sirupsen/logrus" and "github.com/sirupsen/logrus".
Libraries and third-party projects
Official:
Community:
Blog posts & articles
- Creating an oauth2 custom lamda authorizer for use with Amazons (AWS) API Gateway using Hydra
- Warning, ORY Hydra has changed almost everything since writing this article: Hydra: Run your own Identity and Access Management service in <5 Minutes
Contributors
This project exists thanks to all the people who contribute. [Contribute].
Backers
Thank you to all our backers! 🙏 [Become a backer]
We would also like to thank (past & current) supporters (in alphabetical order) on Patreon: Alexander Alimovs, Chancy Kennedy, Drozzy, Oz Haven, TheCrealm
Sponsors
Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]
A special thanks goes out to Wayne Robinson for supporting this ecosystem with $200 every month since Oktober 2016 on Patreon.