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Diffstat (limited to 'doc/integration')
-rw-r--r-- | doc/integration/README.md | 17 | ||||
-rw-r--r-- | doc/integration/github.md | 2 | ||||
-rw-r--r-- | doc/integration/ldap.md | 227 | ||||
-rw-r--r-- | doc/integration/omniauth.md | 23 | ||||
-rw-r--r-- | doc/integration/saml.md | 71 | ||||
-rw-r--r-- | doc/integration/shibboleth.md | 47 |
6 files changed, 146 insertions, 241 deletions
diff --git a/doc/integration/README.md b/doc/integration/README.md index 7c8f785a61f..6fe04aa2a06 100644 --- a/doc/integration/README.md +++ b/doc/integration/README.md @@ -19,26 +19,15 @@ See the documentation below for details on how to configure these services. GitLab Enterprise Edition contains [advanced Jenkins support][jenkins]. +[jenkins]: http://doc.gitlab.com/ee/integration/jenkins.html + + ## Project services Integration with services such as Campfire, Flowdock, Gemnasium, HipChat, Pivotal Tracker, and Slack are available in the form of a [Project Service][]. -You can find these within GitLab in the Services page under Project Settings if -you are at least a master on the project. -Project Services are a bit like plugins in that they allow a lot of freedom in -adding functionality to GitLab. For example there is also a service that can -send an email every time someone pushes new commits. -Because GitLab is open source we can ship with the code and tests for all -plugins. This allows the community to keep the plugins up to date so that they -always work in newer GitLab versions. - -For an overview of what projects services are available without logging in, -please see the [project_services directory][projects-code]. - -[jenkins]: http://doc.gitlab.com/ee/integration/jenkins.html [Project Service]: ../project_services/project_services.md -[projects-code]: https://gitlab.com/gitlab-org/gitlab-ce/tree/master/app/models/project_services ## SSL certificate errors diff --git a/doc/integration/github.md b/doc/integration/github.md index 886784a27c9..1890edd7a4c 100644 --- a/doc/integration/github.md +++ b/doc/integration/github.md @@ -17,7 +17,7 @@ GitHub will generate an application ID and secret key for you to use. - Application name: This can be anything. Consider something like "\<Organization\>'s GitLab" or "\<Your Name\>'s GitLab" or something else descriptive. - Homepage URL: The URL to your GitLab installation. 'https://gitlab.company.com' - Application description: Fill this in if you wish. - - Authorization callback URL: 'https://gitlab.company.com/' + - Default authorization callback URL is '${YOUR_DOMAIN}/import/github/callback' 1. Select "Register application". 1. You should now see a Client ID and Client Secret near the top right of the page (see screenshot). diff --git a/doc/integration/ldap.md b/doc/integration/ldap.md index cf1f98492ea..30f0c15dacc 100644 --- a/doc/integration/ldap.md +++ b/doc/integration/ldap.md @@ -1,228 +1,3 @@ # GitLab LDAP integration -GitLab can be configured to allow your users to sign with their LDAP credentials to integrate with e.g. Active Directory. - -The first time a user signs in with LDAP credentials, GitLab will create a new GitLab user associated with the LDAP Distinguished Name (DN) of the LDAP user. - -GitLab user attributes such as nickname and email will be copied from the LDAP user entry. - -## Security - -GitLab assumes that LDAP users are not able to change their LDAP 'mail', 'email' or 'userPrincipalName' attribute. -An LDAP user who is allowed to change their email on the LDAP server can [take over any account](#enabling-ldap-sign-in-for-existing-gitlab-users) on your GitLab server. - -We recommend against using GitLab LDAP integration if your LDAP users are allowed to change their 'mail', 'email' or 'userPrincipalName' attribute on the LDAP server. - -If a user is deleted from the LDAP server, they will be blocked in GitLab as well. -Users will be immediately blocked from logging in. However, there is an LDAP check -cache time of one hour. The means users that are already logged in or are using Git -over SSH will still be able to access GitLab for up to one hour. Manually block -the user in the GitLab Admin area to immediately block all access. - -## Configuring GitLab for LDAP integration - -To enable GitLab LDAP integration you need to add your LDAP server settings in `/etc/gitlab/gitlab.rb` or `/home/git/gitlab/config/gitlab.yml`. -In GitLab Enterprise Edition you can have multiple LDAP servers connected to one GitLab server. - -Please note that before version 7.4, GitLab used a different syntax for configuring LDAP integration. -The old LDAP integration syntax still works in GitLab 7.4. -If your `gitlab.rb` or `gitlab.yml` file contains LDAP settings in both the old syntax and the new syntax, only the __old__ syntax will be used by GitLab. - -```ruby -# For omnibus packages -gitlab_rails['ldap_enabled'] = true -gitlab_rails['ldap_servers'] = YAML.load <<-EOS # remember to close this block with 'EOS' below -main: # 'main' is the GitLab 'provider ID' of this LDAP server - ## label - # - # A human-friendly name for your LDAP server. It is OK to change the label later, - # for instance if you find out it is too large to fit on the web page. - # - # Example: 'Paris' or 'Acme, Ltd.' - label: 'LDAP' - - host: '_your_ldap_server' - port: 389 - uid: 'sAMAccountName' - method: 'plain' # "tls" or "ssl" or "plain" - bind_dn: '_the_full_dn_of_the_user_you_will_bind_with' - password: '_the_password_of_the_bind_user' - - # Set a timeout, in seconds, for LDAP queries. This helps avoid blocking - # a request if the LDAP server becomes unresponsive. - # A value of 0 means there is no timeout. - timeout: 10 - - # This setting specifies if LDAP server is Active Directory LDAP server. - # For non AD servers it skips the AD specific queries. - # If your LDAP server is not AD, set this to false. - active_directory: true - - # If allow_username_or_email_login is enabled, GitLab will ignore everything - # after the first '@' in the LDAP username submitted by the user on login. - # - # Example: - # - the user enters 'jane.doe@example.com' and 'p@ssw0rd' as LDAP credentials; - # - GitLab queries the LDAP server with 'jane.doe' and 'p@ssw0rd'. - # - # If you are using "uid: 'userPrincipalName'" on ActiveDirectory you need to - # disable this setting, because the userPrincipalName contains an '@'. - allow_username_or_email_login: false - - # To maintain tight control over the number of active users on your GitLab installation, - # enable this setting to keep new users blocked until they have been cleared by the admin - # (default: false). - block_auto_created_users: false - - # Base where we can search for users - # - # Ex. ou=People,dc=gitlab,dc=example - # - base: '' - - # Filter LDAP users - # - # Format: RFC 4515 https://tools.ietf.org/search/rfc4515 - # Ex. (employeeType=developer) - # - # Note: GitLab does not support omniauth-ldap's custom filter syntax. - # - user_filter: '' - - # LDAP attributes that GitLab will use to create an account for the LDAP user. - # The specified attribute can either be the attribute name as a string (e.g. 'mail'), - # or an array of attribute names to try in order (e.g. ['mail', 'email']). - # Note that the user's LDAP login will always be the attribute specified as `uid` above. - attributes: - # The username will be used in paths for the user's own projects - # (like `gitlab.example.com/username/project`) and when mentioning - # them in issues, merge request and comments (like `@username`). - # If the attribute specified for `username` contains an email address, - # the GitLab username will be the part of the email address before the '@'. - username: ['uid', 'userid', 'sAMAccountName'] - email: ['mail', 'email', 'userPrincipalName'] - - # If no full name could be found at the attribute specified for `name`, - # the full name is determined using the attributes specified for - # `first_name` and `last_name`. - name: 'cn' - first_name: 'givenName' - last_name: 'sn' - -# GitLab EE only: add more LDAP servers -# Choose an ID made of a-z and 0-9 . This ID will be stored in the database -# so that GitLab can remember which LDAP server a user belongs to. -# uswest2: -# label: -# host: -# .... -EOS -``` - -If you are getting 'Connection Refused' errors when trying to connect to the LDAP server please double-check the LDAP `port` and `method` settings used by GitLab. -Common combinations are `method: 'plain'` and `port: 389`, OR `method: 'ssl'` and `port: 636`. - -If you are using a GitLab installation from source you can find the LDAP settings in `/home/git/gitlab/config/gitlab.yml`: - -``` -production: - # snip... - ldap: - enabled: false - servers: - main: # 'main' is the GitLab 'provider ID' of this LDAP server - ## label - # - # A human-friendly name for your LDAP server. It is OK to change the label later, - # for instance if you find out it is too large to fit on the web page. - # - # Example: 'Paris' or 'Acme, Ltd.' - label: 'LDAP' - # snip... -``` - -## Enabling LDAP sign-in for existing GitLab users - -When a user signs in to GitLab with LDAP for the first time, and their LDAP email address is the primary email address of an existing GitLab user, then the LDAP DN will be associated with the existing user. - -If the LDAP email attribute is not found in GitLab's database, a new user is created. - -In other words, if an existing GitLab user wants to enable LDAP sign-in for themselves, they should check that their GitLab email address matches their LDAP email address, and then sign into GitLab via their LDAP credentials. - -GitLab recognizes the following LDAP attributes as email addresses: `mail`, `email` and `userPrincipalName`. - -If multiple LDAP email attributes are present, e.g. `mail: foo@bar.com` and `email: foo@example.com`, then the first attribute found wins -- in this case `foo@bar.com`. - -## Using an LDAP filter to limit access to your GitLab server - -If you want to limit all GitLab access to a subset of the LDAP users on your LDAP server you can set up an LDAP user filter. -The filter must comply with [RFC 4515](https://tools.ietf.org/search/rfc4515). - -```ruby -# For omnibus packages; new LDAP server syntax -gitlab_rails['ldap_servers'] = YAML.load <<-EOS -main: - # snip... - user_filter: '(employeeType=developer)' -EOS -``` - -```yaml -# For installations from source; new LDAP server syntax -production: - ldap: - servers: - main: - # snip... - user_filter: '(employeeType=developer)' -``` - -Tip: if you want to limit access to the nested members of an Active Directory group you can use the following syntax: - -``` -(memberOf:1.2.840.113556.1.4.1941:=CN=My Group,DC=Example,DC=com) -``` - -Please note that GitLab does not support the custom filter syntax used by omniauth-ldap. - -## Limitations - -GitLab's LDAP client is based on [omniauth-ldap](https://gitlab.com/gitlab-org/omniauth-ldap) -which encapsulates Ruby's `Net::LDAP` class. It provides a pure-Ruby implementation -of the LDAP client protocol. As a result, GitLab is limited by `omniauth-ldap` and may impact your LDAP -server settings. - -### TLS Client Authentication -Not implemented by `Net::LDAP`. -So you should disable anonymous LDAP authentication and enable simple or SASL -authentication. TLS client authentication setting in your LDAP server cannot be -mandatory and clients cannot be authenticated with the TLS protocol. - -### TLS Server Authentication -Not supported by GitLab's configuration options. -When setting `method: ssl`, the underlying authentication method used by -`omniauth-ldap` is `simple_tls`. This method establishes TLS encryption with -the LDAP server before any LDAP-protocol data is exchanged but no validation of -the LDAP server's SSL certificate is performed. - -## Troubleshooting - -### Invalid credentials when logging in - -Make sure the user you are binding with has enough permissions to read the user's -tree and traverse it. - -Also make sure that the `user_filter` is not blocking otherwise valid users. - -To make sure that the LDAP settings are correct and GitLab can see your users, -execute the following command: - - -```bash -# For Omnibus installations -sudo gitlab-rake gitlab:ldap:check - -# For installations from source -sudo -u git -H bundle exec rake gitlab:ldap:check RAILS_ENV=production -``` - +This document was moved under [`administration/auth/ldap`](../administration/auth/ldap.md). diff --git a/doc/integration/omniauth.md b/doc/integration/omniauth.md index 25f35988305..cab329c0dec 100644 --- a/doc/integration/omniauth.md +++ b/doc/integration/omniauth.md @@ -120,6 +120,29 @@ OmniAuth provider for an existing user. The chosen OmniAuth provider is now active and can be used to sign in to GitLab from then on. +## Configure OmniAuth Providers as External + +>**Note:** +This setting was introduced with version 8.7 of GitLab + +You can define which OmniAuth providers you want to be `external` so that all users +creating accounts via these providers will not be able to have access to internal +projects. You will need to use the full name of the provider, like `google_oauth2` +for Google. Refer to the examples for the full names of the supported providers. + +**For Omnibus installations** + +```ruby + gitlab_rails['omniauth_external_providers'] = ['twitter', 'google_oauth2'] +``` + +**For installations from source** + +```yaml + omniauth: + external_providers: ['twitter', 'google_oauth2'] +``` + ## Using Custom Omniauth Providers >**Note:** diff --git a/doc/integration/saml.md b/doc/integration/saml.md index 1c3dc707f6d..8a7205caaa4 100644 --- a/doc/integration/saml.md +++ b/doc/integration/saml.md @@ -131,8 +131,75 @@ On the sign in page there should now be a SAML button below the regular sign in Click the icon to begin the authentication process. If everything goes well the user will be returned to GitLab and will be signed in. +## External Groups + +>**Note:** +This setting is only available on GitLab 8.7 and above. + +SAML login includes support for external groups. You can define in the SAML +settings which groups, to which your users belong in your IdP, you wish to be +marked as [external](../permissions/permissions.md). + +### Requirements + +First you need to tell GitLab where to look for group information. For this you +need to make sure that your IdP server sends a specific `AttributeStament` along +with the regular SAML response. Here is an example: + +```xml +<saml:AttributeStatement> + <saml:Attribute Name="Groups"> + <saml:AttributeValue xsi:type="xs:string">SecurityGroup</saml:AttributeValue> + <saml:AttributeValue xsi:type="xs:string">Developers</saml:AttributeValue> + <saml:AttributeValue xsi:type="xs:string">Designers</saml:AttributeValue> + </saml:Attribute> +</saml:AttributeStatement> +``` + +The name of the attribute can be anything you like, but it must contain the groups +to which a user belongs. In order to tell GitLab where to find these groups, you need +to add a `groups_attribute:` element to your SAML settings. You will also need to +tell GitLab which groups are external via the `external_groups:` element: + +```yaml +{ name: 'saml', + label: 'Our SAML Provider', + groups_attribute: 'Groups', + external_groups: ['Freelancers', 'Interns'], + args: { + assertion_consumer_service_url: 'https://gitlab.example.com/users/auth/saml/callback', + idp_cert_fingerprint: '43:51:43:a1:b5:fc:8b:b7:0a:3a:a9:b1:0f:66:73:a8', + idp_sso_target_url: 'https://login.example.com/idp', + issuer: 'https://gitlab.example.com', + name_identifier_format: 'urn:oasis:names:tc:SAML:2.0:nameid-format:transient' + } } +``` + ## Customization +### `auto_sign_in_with_provider` + +You can add this setting to your GitLab configuration to automatically redirect you +to your SAML server for authentication, thus removing the need to click a button +before actually signing in. + +For omnibus package: + +```ruby +gitlab_rails['omniauth_auto_sign_in_with_provider'] = 'saml' +``` + +For installations from source: + +```yaml +omniauth: + auto_sign_in_with_provider: saml +``` + +Please keep in mind that every sign in attempt will be redirected to the SAML server, +so you will not be able to sign in using local credentials. Make sure that at least one +of the SAML users has admin permissions. + ### `attribute_statements` >**Note:** @@ -205,6 +272,10 @@ To bypass this you can add `skip_before_action :verify_authenticity_token` to th where it can then be seen in the usual logs, or as a flash message in the login screen. +That file is located at `/opt/gitlab/embedded/service/gitlab-rails/app/controllers` +for Omnibus installations and by default on `/home/git/gitlab/app/controllers` for +installations from source. + ### Invalid audience This error means that the IdP doesn't recognize GitLab as a valid sender and diff --git a/doc/integration/shibboleth.md b/doc/integration/shibboleth.md index a0be3dd4e5c..b6b2d4e5e88 100644 --- a/doc/integration/shibboleth.md +++ b/doc/integration/shibboleth.md @@ -76,3 +76,50 @@ sudo gitlab-ctl reconfigure ``` On the sign in page there should now be a "Sign in with: Shibboleth" icon below the regular sign in form. Click the icon to begin the authentication process. You will be redirected to IdP server (Depends on your Shibboleth module configuration). If everything goes well the user will be returned to GitLab and will be signed in. + +## Apache 2.4 / GitLab 8.6 update +The order of the first 2 Location directives is important. If they are reversed, +you will not get a shibboleth session! + +``` + <Location /> + Require all granted + ProxyPassReverse http://127.0.0.1:8181 + ProxyPassReverse http://YOUR_SERVER_FQDN/ + </Location> + + <Location /users/auth/shibboleth/callback> + AuthType shibboleth + ShibRequestSetting requireSession 1 + ShibUseHeaders On + Require shib-session + </Location> + + Alias /shibboleth-sp /usr/share/shibboleth + + <Location /shibboleth-sp> + Require all granted + </Location> + + <Location /Shibboleth.sso> + SetHandler shib + </Location> + + RewriteEngine on + + #Don't escape encoded characters in api requests + RewriteCond %{REQUEST_URI} ^/api/v3/.* + RewriteCond %{REQUEST_URI} !/Shibboleth.sso + RewriteCond %{REQUEST_URI} !/shibboleth-sp + RewriteRule .* http://127.0.0.1:8181%{REQUEST_URI} [P,QSA,NE] + + #Forward all requests to gitlab-workhorse except existing files + RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f [OR] + RewriteCond %{REQUEST_URI} ^/uploads/.* + RewriteCond %{REQUEST_URI} !/Shibboleth.sso + RewriteCond %{REQUEST_URI} !/shibboleth-sp + RewriteRule .* http://127.0.0.1:8181%{REQUEST_URI} [P,QSA] + + RequestHeader set X_FORWARDED_PROTO 'https' + RequestHeader set X-Forwarded-Ssl on +```
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