203 lines
6.3 KiB
Markdown
203 lines
6.3 KiB
Markdown
---
|
|
title: Gitea
|
|
---
|
|
|
|
<span class="badge badge--secondary">Support level: Community</span>
|
|
|
|
## What is Gitea
|
|
|
|
From https://gitea.io/
|
|
|
|
:::note
|
|
Gitea is a community managed lightweight code hosting solution written in Go. It is published under the MIT license.
|
|
:::
|
|
|
|
:::note
|
|
This is based on authentik 2022.10.1 and Gitea 1.17.3 installed using the official docker image [https://docs.gitea.io/en-us/install-with-docker/](https://docs.gitea.io/en-us/install-with-docker/). Instructions may differ between versions.
|
|
:::
|
|
|
|
## Preparation
|
|
|
|
The following placeholders will be used:
|
|
|
|
- `authentik.company` is the FQDN of authentik.
|
|
- `gitea.company` is the FQDN of Gitea.
|
|
|
|
### Step 1
|
|
|
|
In authentik, create an _OAuth2/OpenID Provider_ (under _Applications/Providers_) with these settings:
|
|
|
|
:::note
|
|
Only settings that have been modified from default have been listed.
|
|
:::
|
|
|
|
**Protocol Settings**
|
|
|
|
- Name: Gitea
|
|
- Signing Key: Select any available key
|
|
|
|
:::note
|
|
Take note of the `Client ID` and `Client Secret`, you'll need to give them to Gitea in _Step 3_.
|
|
:::
|
|
|
|
### Step 2
|
|
|
|
In authentik, create an application (under _Applications/Applications_) which uses this provider. Optionally apply access restrictions to the application using policy bindings.
|
|
|
|
:::note
|
|
Only settings that have been modified from default have been listed.
|
|
:::
|
|
|
|
- Name: Gitea
|
|
- Slug: gitea-slug
|
|
- Provider: Gitea
|
|
|
|
### Step 3
|
|
|
|
Navigate to the _Authentication Sources_ page at https://gitea.company/admin/auths and click `Add Authentication Source`
|
|
|
|
Change the following fields
|
|
|
|
- Authentication Name: authentik
|
|
- OAuth2 Provider: OpenID Connect
|
|
- Client ID (Key): Step 1
|
|
- Client Secret: Step 1
|
|
- Icon URL: https://authentik.company/static/dist/assets/icons/icon.svg
|
|
- OpenID Connect Auto Discovery URL: https://authentik.company/application/o/gitea-slug/.well-known/openid-configuration
|
|
- Additional Scopes: `email profile`
|
|
|
|
|
|
|
|
`Add Authentication Source` and you should be done. Your Gitea login page should now have a `Sign in With` followed by the authentik logo which you can click on to sign-in to Gitea with Authentik creds.
|
|
|
|
### Step 4 _(optional Claims for authorization management)_
|
|
|
|
:::note
|
|
This step is **optional** and shows how to set claims to control the permissions of users in gitea by adding them to groups.
|
|
:::
|
|
|
|
#### Define Groups
|
|
|
|
The following groups will be used:
|
|
|
|
- `gituser` for normal Gitea users.
|
|
- `gitadmin` for Gitea users with administrative permissions.
|
|
- `gitrestricted` for restricted Gitea users.
|
|
|
|
:::note
|
|
Users who are in none of these groups will not be able to log in to gitea.
|
|
:::
|
|
|
|
In authentik, create three groups (under _Directory/Groups_) with the _Name_ as mentioned above and leave other settings untouched.
|
|
|
|
:::note
|
|
You can add Members to the groups now or anytime later.
|
|
:::
|
|
|
|
#### Create Custom Property Mapping
|
|
|
|
In authentik, create a custom property mapping (under _Customization/Property Mappings_) which has the type **Scope Mapping**.
|
|
|
|
:::note
|
|
Only settings that have been modified from default have been listed.
|
|
:::
|
|
|
|
- Name: authentik gitea OAuth Mapping: OpenID 'gitea'
|
|
- Scope name: gitea
|
|
|
|
And as **Expression** set the following:
|
|
|
|
```(python)
|
|
gitea_claims = {}
|
|
if request.user.ak_groups.filter(name="gituser").exists():
|
|
gitea_claims["gitea"]= "user"
|
|
if request.user.ak_groups.filter(name="gitadmin").exists():
|
|
gitea_claims["gitea"]= "admin"
|
|
if request.user.ak_groups.filter(name="gitrestricted").exists():
|
|
gitea_claims["gitea"]= "restricted"
|
|
|
|
return gitea_claims
|
|
```
|
|
|
|
#### Add the custom Property Mapping to the Gitea Provider
|
|
|
|
In authentik, edit the **Gitea** provider (under _Applications/Providers_) by clicking the pencil Icon.
|
|
|
|
Unfold the _Advanced protocol settings_ and activate these Mappings:
|
|
|
|
- authentik default OAuth Mapping: OpenID 'email'
|
|
- authentik default OAuth Mapping: OpenID 'profile'
|
|
- authentik default OAuth Mapping: OpenID 'openid'
|
|
- authentik gitea OAuth Mapping: OpenID 'gitea'
|
|
|
|
Click `Update` and the configuration authentik is done.
|
|
|
|
#### Configure Gitea to use the new claims
|
|
|
|
Navigate to the _Authentication Sources_ page at https://gitea.company/admin/auths and edit the **authentik** Authentication Source.
|
|
|
|
Change the following fields
|
|
|
|
- Additional Scopes: `email profile gitea`
|
|
- Required Claim Name: `gitea`
|
|
- Claim name providing group names for this source. (Optional): `gitea`
|
|
- Group Claim value for administrator users. (Optional - requires claim name above): `admin`
|
|
- Group Claim value for restricted users. (Optional - requires claim name above): `restricted`
|
|
|
|
`Update Authentication Source` and you should be done.
|
|
|
|
Users without any of the defined groups should no longer be able to log in.
|
|
Users of the group **gitadmin** should have administrative privileges, and users in the group **gitrestricted** should be restricted.
|
|
|
|
## Helm Chart Configuration
|
|
|
|
authentik can be configured automatically in Gitea Kubernetes deployments via it's [Helm Chart](https://gitea.com/gitea/helm-chart/).
|
|
|
|
:::note
|
|
This is based on authentik 2022.8.2, Gitea v17.2, and Gitea Helm Chart v6.0.1. Instructions may differ between versions.
|
|
:::
|
|
|
|
Add the following to the Gitea Helm Chart `values.yaml` file:
|
|
|
|
```yaml
|
|
gitea:
|
|
oauth:
|
|
- name: "authentik"
|
|
provider: "openidConnect"
|
|
key: "CLIENT_ID_FROM_AUTHENTIK" #Step 1
|
|
secret: "CLIENT_SECRET_FROM_AUTHENTIK" #Step 1
|
|
autoDiscoveryUrl: "https://authentik.company/application/o/gitea-slug/.well-known/openid-configuration"
|
|
iconUrl: "https://goauthentik.io/img/icon.png"
|
|
scopes: "email profile"
|
|
```
|
|
|
|
### Kubernetes Secret
|
|
|
|
Alternatively you can use a Kubernetes secret to set the `key` and `secret` values.
|
|
|
|
Create a Kubernetes secret with the following:
|
|
|
|
```yaml
|
|
apiVersion: v1
|
|
kind: Secret
|
|
metadata:
|
|
name: gitea-authentik-secret
|
|
type: Opaque
|
|
stringData:
|
|
key: "CLIENT_ID_FROM_AUTHENTIK" #Step 1
|
|
secret: "CLIENT_SECRET_FROM_AUTHENTIK" #Step 1
|
|
```
|
|
|
|
Add the following to the Gitea Helm Chart `values.yaml` file:
|
|
|
|
```yaml
|
|
gitea:
|
|
oauth:
|
|
- name: "authentik"
|
|
provider: "openidConnect"
|
|
existingSecret: gitea-authentik-secret
|
|
autoDiscoveryUrl: "https://authentik.company/application/o/gitea-slug/.well-known/openid-configuration"
|
|
iconUrl: "https://goauthentik.io/img/icon.png"
|
|
scopes: "email profile"
|
|
```
|