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perf(authentication): improve active directory default users filter (#2181)

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This adds a performance change to the default Active Directory users filter. Basically as per TechNet the (sAMAccountType=805306368) filter is the same as (&(objectCategory=person)(objectClass=user)) except the performance is better.
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James Elliott 2021-07-14 20:30:25 +10:00 committed by GitHub
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3 changed files with 6 additions and 8 deletions
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6
docs/configuration/authentication/ldap.md
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@ -206,9 +206,13 @@ makes sure that value is not 0 which means the password requires changing at the
|Implementation |Users Filter |Groups Filter|
|:-------------:|:------------:|:-----------:|
|custom |n/a |n/a |
|activedirectory|(&(|({username_attribute}={input})({mail_attribute}={input}))(objectCategory=person)(objectClass=user)(!userAccountControl:1.2.840.113556.1.4.803:=2)(!pwdLastSet=0))|(&(member={dn})(objectClass=group)(objectCategory=group))|
|activedirectory|(&(|({username_attribute}={input})({mail_attribute}={input}))(sAMAccountType=805306368)(!(userAccountControl:1.2.840.113556.1.4.803:=2))(!(pwdLastSet=0)))|(&(member={dn})(objectClass=group)(objectCategory=group))|
_**Note:**_ The Active Directory filter `(sAMAccountType=805306368)` is exactly the same as
`(&(objectCategory=person)(objectClass=user))` except that the former is more performant, you can read more about this
and other Active Directory filters on the [TechNet wiki](https://social.technet.microsoft.com/wiki/contents/articles/5392.active-directory-ldap-syntax-filters.aspx).
## Refresh Interval
This setting takes a [duration notation](../index.md#duration-notation-format) that sets the max frequency

2
internal/configuration/schema/authentication.go
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@ -84,7 +84,7 @@ var DefaultLDAPAuthenticationBackendConfiguration = LDAPAuthenticationBackendCon
// DefaultLDAPAuthenticationBackendImplementationActiveDirectoryConfiguration represents the default LDAP config for the MSAD Implementation.
var DefaultLDAPAuthenticationBackendImplementationActiveDirectoryConfiguration = LDAPAuthenticationBackendConfiguration{
UsersFilter: "(&(|({username_attribute}={input})({mail_attribute}={input}))(objectCategory=person)(objectClass=user)(!userAccountControl:1.2.840.113556.1.4.803:=2)(!pwdLastSet=0))",
UsersFilter: "(&(|({username_attribute}={input})({mail_attribute}={input}))(sAMAccountType=805306368)(!(userAccountControl:1.2.840.113556.1.4.803:=2))(!(pwdLastSet=0)))",
UsernameAttribute: "sAMAccountName",
MailAttribute: "mail",
DisplayNameAttribute: "displayName",

6
internal/suites/ActiveDirectory/configuration.yml
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@ -24,14 +24,8 @@ authentication_backend:
skip_verify: true
start_tls: true
base_dn: DC=example,DC=com
username_attribute: sAMAccountName
additional_users_dn: OU=Users
users_filter: (&(|({username_attribute}={input})({mail_attribute}={input}))(objectClass=person)(objectClass=user))
additional_groups_dn: OU=Groups
groups_filter: (&(member={dn})(objectClass=group))
group_name_attribute: cn
mail_attribute: mail
display_name_attribute: displayName
user: CN=Administrator,CN=Users,DC=example,DC=com
password: password