Stash is now known as Bitbucket Server.
See the

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of this page, or visit the Bitbucket Server documentation home page.

You can connect Stash to external user directories. This allows you to use existing users and groups stored in an enterprise directory, and to manage those users and groups in one place.

User management functions include:

  • Authentication: determining which user identity is sending a request to Stash.
  • Authorisation: determining the access privileges for an authenticated user.
  • User management: maintaining profile information in user's accounts.
  • Group membership: storing and retrieving groups, and group membership.

It is important to understand that these are separate components of a user management system. You could use an external directory for any or all of the above tasks.

There are several approaches to consider when using external user directories wth Stash, described briefly below:

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  • Stash provides a "read-only" connection to external directories for user management. This means that users and groups, fetched from any external directory, can only be modified or updated in the external directory itself, rather than in Stash.
  • Connecting Atlassian Stash to your external directory is not sufficient to allow your users to log in to Stash. You must explicitly grant them access to Stash in the global permission screen.
  • We recommend that you use groups instead of individual accounts when granting permissions. However, be careful not to add more users to those groups that your Stash license allows. If the license limit is exceeded, your developers will not be able to push commits to repositories, and Stash will display a warning banner. See this FAQ.
  • Stash comes with an internal user directory, already built-in, that is enabled by default at installation. When you create the first administrator during the setup procedure, that administrator's username and other details are stored in the internal directory.
  • See also this information about deleting users and groups in Stash.

LDAP

You should consider connecting to an LDAP directory server if your users and groups are stored in an enterprise directory.

There are two common ways of using an external LDAP directory with Stash:

Stash is able to connect to the following LDAP directory servers:

  • Microsoft Active Directory
  • Apache Directory Server (ApacheDS) 1.0.x and 1.5.x
  • Apple Open Directory (読み取り専用)
  • Fedora Directory Server (Read-Only Posix Schema)
  • Novell eDirectory サーバ
  • OpenDS
  • OpenLDAP
  • OpenLDAP (Read-Only Posix Schema)
  • Generic Posix/RFC2307 ディレクトリ (読み取り専用)
  • Sun Directory Server Enterprise Edition (DSEE)
  • Any generic LDAP directory server

Jira

You can delegate Stash user and group management, as well as user authentication, to an Atlassian JIRA instance. This is a good option if you already use JIRA in your organization. Note that Stash can only connect to a JIRA server running JIRA 4.3 or later.

You should consider using Atlassian Crowd for more complex configurations with a large number of users. 

See Connecting Stash to JIRA for user management for configuration instructions.

Crowd

You can connect Stash to Atlassian Crowd for user and group management, as well as for user authentication.

Crowd is an application security framework that handles authentication and authorisation for your web-based applications. With Crowd you can integrate multiple web applications with multiple user directories, with support for single sign-on (SSO) and centralised identity management. See the Crowd Administration Guide.

You should consider connecting to Crowd if you want to use Crowd to manage existing users and groups in multiple directory types, or if you have users of other web-based applications.

See Connecting Stash to Crowd for configuration instructions.

Multiple directories

When Stash is connected directly to multiple user directories, where duplicate user names and group names are used across those directories, the effective group memberships that Stash uses for authorisation can be determined using either of these two schemes: 

  • 'aggregating membership'
  • 'non-aggregating membership'. 

See Effective memberships with multiple directories for more information about these two schemes.

注意:

  • Aggregating membership is used by default for new installations of Stash.
  • Authentication, for when Stash is connected to multiple directories, only depends on the mapped groups in those directories – the aggregation scheme is not involved at all.
  • For inactive users, Stash only checks if the user is active in the first (highest priority) directory in which they are found for the purpose of determining authentication. Whether a user is active or inactive does not affect how their memberships are determined.
  • When a user is added to a group, they are only added to the first writeable directory available, in priority order.
  • When a user is removed from a group, they are only removed from the group in the first directory the user appears in, when non-aggregating membership is used. With aggregating membership, they are removed from the group in all directories the user exists in.

A Stash admin can change the membership scheme used by Stash using the following commands:

  • To change to aggregating membership, substitute your own values for <username>, <password> and <base-url> in this command:

    curl -H 'Content-type: application/json' -X PUT -d '{"membershipAggregationEnabled":true}' -u <username>:<password> <base-url>/rest/crowd/latest/application

  • To change to non-aggregating membership, substitute your own values for <username>, <password> and <base-url> in this command:

    curl -H 'Content-type: application/json' -X PUT -d '{"membershipAggregationEnabled":false}' -u <username>:<password> <base-url>/rest/crowd/latest/application

Note that these operations are different from how you make these changes in Crowd. Note also that changing the aggregation scheme can affect the authorisation permissions for your Stash users, and how directory update operations are performed. 

 

 

 

 

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