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perf(authentication): improve ldap dynamic replacement performance (#2239)

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This change means we only check the filters for the existence of placeholders that cannot be replaced at startup. We then utilized cached results of that lookup for subsequent replacements.
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James Elliott 2021-08-05 14:17:07 +10:00 committed by GitHub
parent c5c6bda8b0
commit a3b14871ba
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19 changed files with 312 additions and 217 deletions
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21
config.template.yml
View File

@ -183,10 +183,8 @@ authentication_backend:
additional_users_dn: ou=users
## The users filter used in search queries to find the user profile based on input filled in login form.
## Various placeholders are available in the user filter:
## - {input} is a placeholder replaced by what the user inputs in the login form.
## - {username_attribute} is a mandatory placeholder replaced by what is configured in `username_attribute`.
## - {mail_attribute} is a placeholder replaced by what is configured in `mail_attribute`.
## Various placeholders are available in the user filter which you can read about in the documentation which can
## be found at: https://www.authelia.com/docs/configuration/authentication/ldap.html#users-filter-replacements
##
## Recommended settings are as follows:
## - Microsoft Active Directory: (&({username_attribute}={input})(objectCategory=person)(objectClass=user))
@ -202,16 +200,13 @@ authentication_backend:
## i.e. with this set to OU=Groups and base_dn set to DC=a,DC=com; OU=Groups,DC=a,DC=com is searched for groups.
additional_groups_dn: ou=groups
## The groups filter used in search queries to find the groups of the user.
## - {input} is a placeholder replaced by what the user inputs in the login form.
## - {username} is a placeholder replace by the username stored in LDAP (based on `username_attribute`).
## - {dn} is a matcher replaced by the user distinguished name, aka, user DN.
## - {username_attribute} is a placeholder replaced by what is configured in `username_attribute`.
## - {mail_attribute} is a placeholder replaced by what is configured in `mail_attribute`.
## The groups filter used in search queries to find the groups based on relevant authenticated user.
## Various placeholders are available in the groups filter which you can read about in the documentation which can
## be found at: https://www.authelia.com/docs/configuration/authentication/ldap.html#groups-filter-replacements
##
## If your groups use the `groupOfUniqueNames` structure use this instead:
## (&(uniquemember={dn})(objectclass=groupOfUniqueNames))
groups_filter: (&(member={dn})(objectclass=groupOfNames))
## (&(uniqueMember={dn})(objectClass=groupOfUniqueNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
## The attribute holding the name of the group.
# group_name_attribute: cn
@ -221,7 +216,7 @@ authentication_backend:
# mail_attribute: mail
## The attribute holding the display name of the user. This will be used to greet an authenticated user.
# display_name_attribute: displayname
# display_name_attribute: displayName
## The username and password of the admin user.
user: cn=admin,dc=example,dc=com

34
docs/configuration/authentication/ldap.md
View File

@ -29,10 +29,10 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&({username_attribute}={input})(objectClass=person))
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
display_name_attribute: displayname
display_name_attribute: displayName
user: cn=admin,dc=example,dc=com
password: password
```
@ -182,6 +182,28 @@ must be used if you wish to allow users to change or reset their password as Act
uses a custom attribute for this, and an input format other implementations do not use. The long term
intention of this is to have logical defaults for various RFC implementations of LDAP.
### Filter replacements
Various replacements occur in the user and groups filter. The replacements either occur at startup or upon an LDAP
search.
#### Users filter replacements
|Placeholder |Phase |Replacement |
|:----------------------:|:-----:|:--------------------------------------------------------------:|
|{username_attribute} |startup|The [username attribute](#username_attribute) configured |
|{mail_attribute} |startup|The [mail attribute](#mail_attribute) configured |
|{display_name_attribute}|startup|The [display name attribute](#display_name_attribute) configured|
|{input} |search |The input into the username field |
#### Groups filter replacements
|Placeholder |Phase |Replacement |
|:----------------------:|:-----:|:-------------------------------------------------------------------------:|
|{input} |search |The input into the username field |
|{username} |search |The username from the profile lookup obtained from the [username attribute]|
|{dn} |search |The distinguished name from the profile lookup |
### Defaults
The below tables describes the current attribute defaults for each implementation.
@ -192,8 +214,8 @@ described by the Username column.
|Implementation |Username |Display Name|Mail|Group Name|
|:-------------:|:------------:|:----------:|:--:|:--------:|
|custom |n/a |displayname |mail|cn |
|activedirectory|sAMAccountName|displayname |mail|cn |
|custom |n/a |displayName |mail|cn |
|activedirectory|sAMAccountName|displayName |mail|cn |
#### Filter defaults
@ -245,3 +267,7 @@ As of versions > `4.24.0` the `users_filter` must include the `username_attribut
result in Authelia throwing an error.
In versions <= `4.24.0` not including the `username_attribute` placeholder will cause issues with the session refresh
and will result in session resets when the refresh interval has expired, default of 5 minutes.
[LDAP GeneralizedTime]: https://ldapwiki.com/wiki/GeneralizedTime
[username attribute]: #username_attribute
[TechNet wiki]: https://social.technet.microsoft.com/wiki/contents/articles/5392.active-directory-ldap-syntax-filters.aspx

6
internal/authentication/const.go
View File

@ -30,6 +30,12 @@ const (
ldapOIDPasswdModifyExtension = "1.3.6.1.4.1.4203.1.11.1" // http://oidref.com/1.3.6.1.4.1.4203.1.11.1
)
const (
ldapPlaceholderInput = "{input}"
ldapPlaceholderDistinguishedName = "{dn}"
ldapPlaceholderUsername = "{username}"
)
// PossibleMethods is the set of all possible 2FA methods.
var PossibleMethods = []string{TOTP, U2F, Push}

154
internal/authentication/ldap_user_provider.go
View File

@ -15,17 +15,28 @@ import (
"github.com/authelia/authelia/internal/utils"
)
// LDAPUserProvider is a provider using a LDAP or AD as a user database.
// LDAPUserProvider is a UserProvider that connects to LDAP servers like ActiveDirectory, OpenLDAP, OpenDJ, FreeIPA, etc.
type LDAPUserProvider struct {
configuration schema.LDAPAuthenticationBackendConfiguration
tlsConfig *tls.Config
dialOpts ldap.DialOpt
logger *logrus.Logger
connectionFactory LDAPConnectionFactory
usersBaseDN string
groupsBaseDN string
// Automatically detected ldap features.
supportExtensionPasswdModify bool
// Dynamically generated users values.
usersBaseDN string
usersAttributes []string
usersFilterReplacementInput bool
// Dynamically generated groups values.
groupsBaseDN string
groupsAttributes []string
groupsFilterReplacementInput bool
groupsFilterReplacementUsername bool
groupsFilterReplacementDN bool
}
// NewLDAPUserProvider creates a new instance of LDAPUserProvider.
@ -72,74 +83,12 @@ func newLDAPUserProvider(configuration schema.LDAPAuthenticationBackendConfigura
connectionFactory: factory,
}
provider.parseDynamicConfiguration()
provider.parseDynamicUsersConfiguration()
provider.parseDynamicGroupsConfiguration()
return provider
}
func (p *LDAPUserProvider) parseDynamicConfiguration() {
p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{username_attribute}", p.configuration.UsernameAttribute)
p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{mail_attribute}", p.configuration.MailAttribute)
p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{display_name_attribute}", p.configuration.DisplayNameAttribute)
p.logger.Tracef("Dynamically generated users filter is %s", p.configuration.UsersFilter)
if p.configuration.AdditionalUsersDN != "" {
p.usersBaseDN = p.configuration.AdditionalUsersDN + "," + p.configuration.BaseDN
} else {
p.usersBaseDN = p.configuration.BaseDN
}
p.logger.Tracef("Dynamically generated users BaseDN is %s", p.usersBaseDN)
if p.configuration.AdditionalGroupsDN != "" {
p.groupsBaseDN = ldap.EscapeFilter(p.configuration.AdditionalGroupsDN + "," + p.configuration.BaseDN)
} else {
p.groupsBaseDN = p.configuration.BaseDN
}
p.logger.Tracef("Dynamically generated groups BaseDN is %s", p.groupsBaseDN)
}
func (p *LDAPUserProvider) checkServer() (err error) {
conn, err := p.connect(p.configuration.User, p.configuration.Password)
if err != nil {
return err
}
defer conn.Close()
searchRequest := ldap.NewSearchRequest("", ldap.ScopeBaseObject, ldap.NeverDerefAliases,
1, 0, false, "(objectClass=*)", []string{ldapSupportedExtensionAttribute}, nil)
sr, err := conn.Search(searchRequest)
if err != nil {
return err
}
if len(sr.Entries) != 1 {
return nil
}
// Iterate the attribute values to see what the server supports.
for _, attr := range sr.Entries[0].Attributes {
if attr.Name == ldapSupportedExtensionAttribute {
p.logger.Tracef("LDAP Supported Extension OIDs: %s", strings.Join(attr.Values, ", "))
for _, oid := range attr.Values {
if oid == ldapOIDPasswdModifyExtension {
p.supportExtensionPasswdModify = true
break
}
}
break
}
}
return nil
}
func (p *LDAPUserProvider) connect(userDN string, password string) (LDAPConnection, error) {
conn, err := p.connectionFactory.DialURL(p.configuration.URL, p.dialOpts)
if err != nil {
@ -197,34 +146,31 @@ type ldapUserProfile struct {
Username string
}
func (p *LDAPUserProvider) resolveUsersFilter(userFilter string, inputUsername string) string {
inputUsername = p.ldapEscape(inputUsername)
func (p *LDAPUserProvider) resolveUsersFilter(inputUsername string) (filter string) {
filter = p.configuration.UsersFilter
// The {input} placeholder is replaced by the users username input.
userFilter = strings.ReplaceAll(userFilter, "{input}", inputUsername)
if p.usersFilterReplacementInput {
// The {input} placeholder is replaced by the users username input.
filter = strings.ReplaceAll(filter, ldapPlaceholderInput, p.ldapEscape(inputUsername))
}
p.logger.Tracef("Computed user filter is %s", userFilter)
p.logger.Tracef("Computed user filter is %s", filter)
return userFilter
return filter
}
func (p *LDAPUserProvider) getUserProfile(conn LDAPConnection, inputUsername string) (*ldapUserProfile, error) {
userFilter := p.resolveUsersFilter(p.configuration.UsersFilter, inputUsername)
attributes := []string{"dn",
p.configuration.DisplayNameAttribute,
p.configuration.MailAttribute,
p.configuration.UsernameAttribute}
userFilter := p.resolveUsersFilter(inputUsername)
// Search for the given username.
searchRequest := ldap.NewSearchRequest(
p.usersBaseDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,
1, 0, false, userFilter, attributes, nil,
1, 0, false, userFilter, p.usersAttributes, nil,
)
sr, err := conn.Search(searchRequest)
if err != nil {
return nil, fmt.Errorf("Cannot find user DN of user %s. Cause: %s", inputUsername, err)
return nil, fmt.Errorf("cannot find user DN of user '%s'. Cause: %w", inputUsername, err)
}
if len(sr.Entries) == 0 {
@ -232,7 +178,7 @@ func (p *LDAPUserProvider) getUserProfile(conn LDAPConnection, inputUsername str
}
if len(sr.Entries) > 1 {
return nil, fmt.Errorf("Multiple users %s found", inputUsername)
return nil, fmt.Errorf("multiple users %s found", inputUsername)
}
userProfile := ldapUserProfile{
@ -250,7 +196,7 @@ func (p *LDAPUserProvider) getUserProfile(conn LDAPConnection, inputUsername str
if attr.Name == p.configuration.UsernameAttribute {
if len(attr.Values) != 1 {
return nil, fmt.Errorf("User %s cannot have multiple value for attribute %s",
return nil, fmt.Errorf("user '%s' cannot have multiple value for attribute '%s'",
inputUsername, p.configuration.UsernameAttribute)
}
@ -259,26 +205,33 @@ func (p *LDAPUserProvider) getUserProfile(conn LDAPConnection, inputUsername str
}
if userProfile.DN == "" {
return nil, fmt.Errorf("No DN has been found for user %s", inputUsername)
return nil, fmt.Errorf("no DN has been found for user %s", inputUsername)
}
return &userProfile, nil
}
func (p *LDAPUserProvider) resolveGroupsFilter(inputUsername string, profile *ldapUserProfile) (string, error) { //nolint:unparam
inputUsername = p.ldapEscape(inputUsername)
func (p *LDAPUserProvider) resolveGroupsFilter(inputUsername string, profile *ldapUserProfile) (filter string, err error) { //nolint:unparam
filter = p.configuration.GroupsFilter
// The {input} placeholder is replaced by the users username input.
groupFilter := strings.ReplaceAll(p.configuration.GroupsFilter, "{input}", inputUsername)
if profile != nil {
groupFilter = strings.ReplaceAll(groupFilter, "{username}", ldap.EscapeFilter(profile.Username))
groupFilter = strings.ReplaceAll(groupFilter, "{dn}", ldap.EscapeFilter(profile.DN))
if p.groupsFilterReplacementInput {
// The {input} placeholder is replaced by the users username input.
filter = strings.ReplaceAll(p.configuration.GroupsFilter, ldapPlaceholderInput, p.ldapEscape(inputUsername))
}
p.logger.Tracef("Computed groups filter is %s", groupFilter)
if profile != nil {
if p.groupsFilterReplacementUsername {
filter = strings.ReplaceAll(filter, ldapPlaceholderUsername, ldap.EscapeFilter(profile.Username))
}
return groupFilter, nil
if p.groupsFilterReplacementDN {
filter = strings.ReplaceAll(filter, ldapPlaceholderDistinguishedName, ldap.EscapeFilter(profile.DN))
}
}
p.logger.Tracef("Computed groups filter is %s", filter)
return filter, nil
}
// GetDetails retrieve the groups a user belongs to.
@ -296,19 +249,19 @@ func (p *LDAPUserProvider) GetDetails(inputUsername string) (*UserDetails, error
groupsFilter, err := p.resolveGroupsFilter(inputUsername, profile)
if err != nil {
return nil, fmt.Errorf("Unable to create group filter for user %s. Cause: %s", inputUsername, err)
return nil, fmt.Errorf("unable to create group filter for user '%s'. Cause: %w", inputUsername, err)
}
// Search for the given username.
searchGroupRequest := ldap.NewSearchRequest(
p.groupsBaseDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases,
0, 0, false, groupsFilter, []string{p.configuration.GroupNameAttribute}, nil,
0, 0, false, groupsFilter, p.groupsAttributes, nil,
)
sr, err := conn.Search(searchGroupRequest)
if err != nil {
return nil, fmt.Errorf("Unable to retrieve groups of user %s. Cause: %s", inputUsername, err)
return nil, fmt.Errorf("unable to retrieve groups of user '%s'. Cause: %w", inputUsername, err)
}
groups := make([]string, 0)
@ -318,6 +271,7 @@ func (p *LDAPUserProvider) GetDetails(inputUsername string) (*UserDetails, error
p.logger.Warningf("No groups retrieved from LDAP for user %s", inputUsername)
break
}
// Append all values of the document. Normally there should be only one per document.
groups = append(groups, res.Attributes[0].Values...)
}
@ -334,14 +288,14 @@ func (p *LDAPUserProvider) GetDetails(inputUsername string) (*UserDetails, error
func (p *LDAPUserProvider) UpdatePassword(inputUsername string, newPassword string) error {
conn, err := p.connect(p.configuration.User, p.configuration.Password)
if err != nil {
return fmt.Errorf("Unable to update password. Cause: %s", err)
return fmt.Errorf("unable to update password. Cause: %w", err)
}
defer conn.Close()
profile, err := p.getUserProfile(conn, inputUsername)
if err != nil {
return fmt.Errorf("Unable to update password. Cause: %s", err)
return fmt.Errorf("unable to update password. Cause: %w", err)
}
switch {
@ -370,7 +324,7 @@ func (p *LDAPUserProvider) UpdatePassword(inputUsername string, newPassword stri
}
if err != nil {
return fmt.Errorf("Unable to update password. Cause: %s", err)
return fmt.Errorf("unable to update password. Cause: %w", err)
}
return nil

103
internal/authentication/ldap_user_provider_startup.go Normal file
View File

@ -0,0 +1,103 @@
package authentication
import (
"strings"
"github.com/go-ldap/ldap/v3"
)
func (p *LDAPUserProvider) checkServer() (err error) {
conn, err := p.connect(p.configuration.User, p.configuration.Password)
if err != nil {
return err
}
defer conn.Close()
searchRequest := ldap.NewSearchRequest("", ldap.ScopeBaseObject, ldap.NeverDerefAliases,
1, 0, false, "(objectClass=*)", []string{ldapSupportedExtensionAttribute}, nil)
sr, err := conn.Search(searchRequest)
if err != nil {
return err
}
if len(sr.Entries) != 1 {
return nil
}
// Iterate the attribute values to see what the server supports.
for _, attr := range sr.Entries[0].Attributes {
if attr.Name == ldapSupportedExtensionAttribute {
p.logger.Tracef("LDAP Supported Extension OIDs: %s", strings.Join(attr.Values, ", "))
for _, oid := range attr.Values {
if oid == ldapOIDPasswdModifyExtension {
p.supportExtensionPasswdModify = true
break
}
}
break
}
}
return nil
}
func (p *LDAPUserProvider) parseDynamicUsersConfiguration() {
p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{username_attribute}", p.configuration.UsernameAttribute)
p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{mail_attribute}", p.configuration.MailAttribute)
p.configuration.UsersFilter = strings.ReplaceAll(p.configuration.UsersFilter, "{display_name_attribute}", p.configuration.DisplayNameAttribute)
p.logger.Tracef("Dynamically generated users filter is %s", p.configuration.UsersFilter)
p.usersAttributes = []string{
p.configuration.DisplayNameAttribute,
p.configuration.MailAttribute,
p.configuration.UsernameAttribute,
}
if p.configuration.AdditionalUsersDN != "" {
p.usersBaseDN = p.configuration.AdditionalUsersDN + "," + p.configuration.BaseDN
} else {
p.usersBaseDN = p.configuration.BaseDN
}
p.logger.Tracef("Dynamically generated users BaseDN is %s", p.usersBaseDN)
if strings.Contains(p.configuration.UsersFilter, ldapPlaceholderInput) {
p.usersFilterReplacementInput = true
}
p.logger.Tracef("Detected user filter replacements that need to be resolved per lookup are: %s=%v",
ldapPlaceholderInput, p.usersFilterReplacementInput)
}
func (p *LDAPUserProvider) parseDynamicGroupsConfiguration() {
p.groupsAttributes = []string{
p.configuration.GroupNameAttribute,
}
if p.configuration.AdditionalGroupsDN != "" {
p.groupsBaseDN = ldap.EscapeFilter(p.configuration.AdditionalGroupsDN + "," + p.configuration.BaseDN)
} else {
p.groupsBaseDN = p.configuration.BaseDN
}
p.logger.Tracef("Dynamically generated groups BaseDN is %s", p.groupsBaseDN)
if strings.Contains(p.configuration.GroupsFilter, ldapPlaceholderInput) {
p.groupsFilterReplacementInput = true
}
if strings.Contains(p.configuration.GroupsFilter, ldapPlaceholderUsername) {
p.groupsFilterReplacementUsername = true
}
if strings.Contains(p.configuration.GroupsFilter, ldapPlaceholderDistinguishedName) {
p.groupsFilterReplacementDN = true
}
p.logger.Tracef("Detected group filter replacements that need to be resolved per lookup are: input=%v, username=%v, dn=%v", p.groupsFilterReplacementInput, p.groupsFilterReplacementUsername, p.groupsFilterReplacementDN)
}

60
internal/authentication/ldap_user_provider_test.go
View File

@ -174,7 +174,7 @@ func TestShouldCheckLDAPServerExtensions(t *testing.T) {
UsersFilter: "(|({username_attribute}={input})({mail_attribute}={input}))",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
Password: "password",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -230,7 +230,7 @@ func TestShouldNotEnablePasswdModifyExtension(t *testing.T) {
UsersFilter: "(|({username_attribute}={input})({mail_attribute}={input}))",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
Password: "password",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -286,7 +286,7 @@ func TestShouldReturnCheckServerConnectError(t *testing.T) {
UsersFilter: "(|({username_attribute}={input})({mail_attribute}={input}))",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
Password: "password",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -318,7 +318,7 @@ func TestShouldReturnCheckServerSearchError(t *testing.T) {
UsersFilter: "(|({username_attribute}={input})({mail_attribute}={input}))",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
Password: "password",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -379,7 +379,7 @@ func TestShouldEscapeUserInput(t *testing.T) {
UsersFilter: "(|({username_attribute}={input})({mail_attribute}={input}))",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
Password: "password",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -414,11 +414,13 @@ func TestShouldCombineUsernameFilterAndUsersFilter(t *testing.T) {
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
},
nil,
mockFactory)
assert.True(t, ldapClient.usersFilterReplacementInput)
mockConn.EXPECT().
Search(NewSearchRequestMatcher("(&(uid=john)(&(objectCategory=person)(objectClass=user)))")).
Return(&ldap.SearchResult{}, nil)
@ -456,7 +458,7 @@ func TestShouldNotCrashWhenGroupsAreNotRetrievedFromLDAP(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -486,7 +488,7 @@ func TestShouldNotCrashWhenGroupsAreNotRetrievedFromLDAP(t *testing.T) {
DN: "uid=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -587,7 +589,7 @@ func TestShouldReturnUsernameFromLDAP(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -617,7 +619,7 @@ func TestShouldReturnUsernameFromLDAP(t *testing.T) {
DN: "uid=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -658,7 +660,7 @@ func TestShouldUpdateUserPasswordPasswdModifyExtension(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -716,7 +718,7 @@ func TestShouldUpdateUserPasswordPasswdModifyExtension(t *testing.T) {
DN: "uid=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -822,7 +824,7 @@ func TestShouldUpdateUserPasswordActiveDirectory(t *testing.T) {
DN: "cn=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -968,7 +970,7 @@ func TestShouldCheckValidUserPassword(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -991,7 +993,7 @@ func TestShouldCheckValidUserPassword(t *testing.T) {
DN: "uid=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -1035,7 +1037,7 @@ func TestShouldCheckInvalidUserPassword(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -1058,7 +1060,7 @@ func TestShouldCheckInvalidUserPassword(t *testing.T) {
DN: "uid=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -1102,7 +1104,7 @@ func TestShouldCallStartTLSWhenEnabled(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -1136,7 +1138,7 @@ func TestShouldCallStartTLSWhenEnabled(t *testing.T) {
DN: "uid=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -1176,7 +1178,7 @@ func TestShouldParseDynamicConfiguration(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "(&(|({username_attribute}={input})({mail_attribute}={input})({display_name_attribute}={input}))(objectCategory=person)(objectClass=user)(!userAccountControl:1.2.840.113556.1.4.803:=2)(!pwdLastSet=0))",
GroupsFilter: "(&(|(member={dn})(member={input})(member={username}))(objectClass=group))",
AdditionalUsersDN: "ou=users",
@ -1187,7 +1189,13 @@ func TestShouldParseDynamicConfiguration(t *testing.T) {
nil,
mockFactory)
assert.Equal(t, "(&(|(uid={input})(mail={input})(displayname={input}))(objectCategory=person)(objectClass=user)(!userAccountControl:1.2.840.113556.1.4.803:=2)(!pwdLastSet=0))", ldapClient.configuration.UsersFilter)
assert.True(t, ldapClient.groupsFilterReplacementInput)
assert.True(t, ldapClient.groupsFilterReplacementUsername)
assert.True(t, ldapClient.groupsFilterReplacementDN)
assert.True(t, ldapClient.usersFilterReplacementInput)
assert.Equal(t, "(&(|(uid={input})(mail={input})(displayName={input}))(objectCategory=person)(objectClass=user)(!userAccountControl:1.2.840.113556.1.4.803:=2)(!pwdLastSet=0))", ldapClient.configuration.UsersFilter)
assert.Equal(t, "(&(|(member={dn})(member={input})(member={username}))(objectClass=group))", ldapClient.configuration.GroupsFilter)
assert.Equal(t, "ou=users,dc=example,dc=com", ldapClient.usersBaseDN)
assert.Equal(t, "ou=groups,dc=example,dc=com", ldapClient.groupsBaseDN)
@ -1207,7 +1215,7 @@ func TestShouldCallStartTLSWithInsecureSkipVerifyWhenSkipVerifyTrue(t *testing.T
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",
@ -1219,6 +1227,10 @@ func TestShouldCallStartTLSWithInsecureSkipVerifyWhenSkipVerifyTrue(t *testing.T
nil,
mockFactory)
assert.False(t, ldapClient.groupsFilterReplacementInput)
assert.False(t, ldapClient.groupsFilterReplacementUsername)
assert.False(t, ldapClient.groupsFilterReplacementDN)
dialURL := mockFactory.EXPECT().
DialURL(gomock.Eq("ldap://127.0.0.1:389"), gomock.Any()).
Return(mockConn, nil)
@ -1244,7 +1256,7 @@ func TestShouldCallStartTLSWithInsecureSkipVerifyWhenSkipVerifyTrue(t *testing.T
DN: "uid=test,dc=example,dc=com",
Attributes: []*ldap.EntryAttribute{
{
Name: "displayname",
Name: "displayName",
Values: []string{"John Doe"},
},
{
@ -1285,7 +1297,7 @@ func TestShouldReturnLDAPSAlreadySecuredWhenStartTLSAttempted(t *testing.T) {
Password: "password",
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
UsersFilter: "uid={input}",
AdditionalUsersDN: "ou=users",
BaseDN: "dc=example,dc=com",

21
internal/configuration/config.template.yml
View File

@ -183,10 +183,8 @@ authentication_backend:
additional_users_dn: ou=users
## The users filter used in search queries to find the user profile based on input filled in login form.
## Various placeholders are available in the user filter:
## - {input} is a placeholder replaced by what the user inputs in the login form.
## - {username_attribute} is a mandatory placeholder replaced by what is configured in `username_attribute`.
## - {mail_attribute} is a placeholder replaced by what is configured in `mail_attribute`.
## Various placeholders are available in the user filter which you can read about in the documentation which can
## be found at: https://www.authelia.com/docs/configuration/authentication/ldap.html#users-filter-replacements
##
## Recommended settings are as follows:
## - Microsoft Active Directory: (&({username_attribute}={input})(objectCategory=person)(objectClass=user))
@ -202,16 +200,13 @@ authentication_backend:
## i.e. with this set to OU=Groups and base_dn set to DC=a,DC=com; OU=Groups,DC=a,DC=com is searched for groups.
additional_groups_dn: ou=groups
## The groups filter used in search queries to find the groups of the user.
## - {input} is a placeholder replaced by what the user inputs in the login form.
## - {username} is a placeholder replace by the username stored in LDAP (based on `username_attribute`).
## - {dn} is a matcher replaced by the user distinguished name, aka, user DN.
## - {username_attribute} is a placeholder replaced by what is configured in `username_attribute`.
## - {mail_attribute} is a placeholder replaced by what is configured in `mail_attribute`.
## The groups filter used in search queries to find the groups based on relevant authenticated user.
## Various placeholders are available in the groups filter which you can read about in the documentation which can
## be found at: https://www.authelia.com/docs/configuration/authentication/ldap.html#groups-filter-replacements
##
## If your groups use the `groupOfUniqueNames` structure use this instead:
## (&(uniquemember={dn})(objectclass=groupOfUniqueNames))
groups_filter: (&(member={dn})(objectclass=groupOfNames))
## (&(uniqueMember={dn})(objectClass=groupOfUniqueNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
## The attribute holding the name of the group.
# group_name_attribute: cn
@ -221,7 +216,7 @@ authentication_backend:
# mail_attribute: mail
## The attribute holding the display name of the user. This will be used to greet an authenticated user.
# display_name_attribute: displayname
# display_name_attribute: displayName
## The username and password of the admin user.
user: cn=admin,dc=example,dc=com

2
internal/configuration/schema/authentication.go
View File

@ -75,7 +75,7 @@ var DefaultLDAPAuthenticationBackendConfiguration = LDAPAuthenticationBackendCon
Implementation: LDAPImplementationCustom,
UsernameAttribute: "uid",
MailAttribute: "mail",
DisplayNameAttribute: "displayname",
DisplayNameAttribute: "displayName",
GroupNameAttribute: "cn",
TLS: &TLSConfig{
MinimumVersion: "TLS1.2",

2
internal/configuration/test_resources/config.yml
View File

@ -23,7 +23,7 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&({username_attribute}={input})(objectCategory=person)(objectClass=user))
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
user: cn=admin,dc=example,dc=com

2
internal/configuration/test_resources/config_alt.yml
View File

@ -23,7 +23,7 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&({username_attribute}={input})(objectCategory=person)(objectClass=user))
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
user: cn=admin,dc=example,dc=com

2
internal/configuration/test_resources/config_bad_keys.yml
View File

@ -24,7 +24,7 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&({username_attribute}={input})(objectCategory=person)(objectClass=user))
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
user: cn=admin,dc=example,dc=com

2
internal/configuration/test_resources/config_with_secret.yml
View File

@ -25,7 +25,7 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&({username_attribute}={input})(objectCategory=person)(objectClass=user))
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
user: cn=admin,dc=example,dc=com

2
internal/configuration/validator/authentication_test.go
View File

@ -387,7 +387,7 @@ func (suite *LDAPAuthenticationBackendSuite) TestShouldSetDefaultDisplayNameAttr
suite.Assert().False(suite.validator.HasWarnings())
suite.Assert().False(suite.validator.HasErrors())
suite.Assert().Equal("displayname", suite.configuration.LDAP.DisplayNameAttribute)
suite.Assert().Equal("displayName", suite.configuration.LDAP.DisplayNameAttribute)
}
func (suite *LDAPAuthenticationBackendSuite) TestShouldSetDefaultRefreshInterval() {

2
internal/suites/HighAvailability/configuration.yml
View File

@ -25,7 +25,7 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&({username_attribute}={input})(objectClass=person))
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
display_name_attribute: displayName

2
internal/suites/LDAP/configuration.yml
View File

@ -26,7 +26,7 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&(|({username_attribute}={input})({mail_attribute}={input}))(objectClass=person)(objectClass=inetOrgPerson)) # yamllint disable-line rule:line-length
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
display_name_attribute: displayName

54
internal/suites/example/compose/ldap/ldif/03-base.ldif
View File

@ -1,78 +1,78 @@
dn: cn=pwmanager,{{ LDAP_BASE_DN }}
cn: Password Manager
displayname: Password Manager
displayName: Password Manager
givenName: Password
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: password.manager@authelia.com
sn: Manager
uid: pwmanager
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: ou=groups,{{ LDAP_BASE_DN }}
objectclass: organizationalUnit
objectclass: top
objectClass: organizationalUnit
objectClass: top
ou: groups
dn: ou=users,{{ LDAP_BASE_DN }}
objectclass: organizationalUnit
objectclass: top
objectClass: organizationalUnit
objectClass: top
ou: users
dn: cn=dev,ou=groups,{{ LDAP_BASE_DN }}
cn: dev
member: cn=John Doe (external),ou=users,{{ LDAP_BASE_DN }}
member: cn=Bob Dylan,ou=users,{{ LDAP_BASE_DN }}
objectclass: groupOfNames
objectclass: top
objectClass: groupOfNames
objectClass: top
dn: cn=admins,ou=groups,{{ LDAP_BASE_DN }}
cn: admins
member: cn=John Doe (external),ou=users,{{ LDAP_BASE_DN }}
objectclass: groupOfNames
objectclass: top
objectClass: groupOfNames
objectClass: top
dn: cn=John Doe (external),ou=users,{{ LDAP_BASE_DN }}
cn: John Doe (external)
displayname: John Doe
displayName: John Doe
givenName: John
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: john.doe@authelia.com
sn: Doe
uid: john
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: cn=Harry Potter,ou=users,{{ LDAP_BASE_DN }}
cn: Harry Potter
displayname: Harry Potter
displayName: Harry Potter
givenName: Harry
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: harry.potter@authelia.com
sn: Potter
uid: harry
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: cn=Bob Dylan,ou=users,{{ LDAP_BASE_DN }}
cn: Bob Dylan
displayname: Bob Dylan
displayName: Bob Dylan
givenName: Bob
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: bob.dylan@authelia.com
sn: Dylan
uid: bob
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: cn=James Dean,ou=users,{{ LDAP_BASE_DN }}
cn: James Dean
displayname: James Dean
displayName: James Dean
givenName: James
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: james.dean@authelia.com
sn: Dean
uid: james
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/

2
internal/suites/example/kube/authelia/configs/configuration.yml
View File

@ -24,7 +24,7 @@ authentication_backend:
additional_users_dn: ou=users
users_filter: (&({username_attribute}={input})(objectClass=person))
additional_groups_dn: ou=groups
groups_filter: (&(member={dn})(objectclass=groupOfNames))
groups_filter: (&(member={dn})(objectClass=groupOfNames))
group_name_attribute: cn
mail_attribute: mail
display_name_attribute: displayName

46
internal/suites/example/kube/ldap/base.ldif
View File

@ -1,67 +1,67 @@
dn: ou=groups,dc=example,dc=com
objectclass: organizationalUnit
objectclass: top
objectClass: organizationalUnit
objectClass: top
ou: groups
dn: ou=users,dc=example,dc=com
objectclass: organizationalUnit
objectclass: top
objectClass: organizationalUnit
objectClass: top
ou: users
dn: cn=dev,ou=groups,dc=example,dc=com
cn: dev
member: uid=john,ou=users,dc=example,dc=com
member: uid=bob,ou=users,dc=example,dc=com
objectclass: groupOfNames
objectclass: top
objectClass: groupOfNames
objectClass: top
dn: cn=admins,ou=groups,dc=example,dc=com
cn: admins
member: uid=john,ou=users,dc=example,dc=com
objectclass: groupOfNames
objectclass: top
objectClass: groupOfNames
objectClass: top
dn: uid=john,ou=users,dc=example,dc=com
uid: john
cn: john
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: john.doe@authelia.com
sn: John Doe
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: uid=harry,ou=users,dc=example,dc=com
uid: harry
cn: harry
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: harry.potter@authelia.com
sn: Harry Potter
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: uid=bob,ou=users,dc=example,dc=com
uid: bob
cn: bob
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: bob.dylan@authelia.com
sn: Bob Dylan
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: uid=james,ou=users,dc=example,dc=com
uid: james
cn: james
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: james.dean@authelia.com
sn: James Dean
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
dn: uid=blackhat,ou=users,dc=example,dc=com
uid: blackhat
cn: blackhat
objectclass: inetOrgPerson
objectclass: top
objectClass: inetOrgPerson
objectClass: top
mail: billy.blackhat@authelia.com
sn: Billy BlackHat
userpassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/
userPassword: {CRYPT}$6$rounds=500000$jgiCMRyGXzoqpxS3$w2pJeZnnH8bwW3zzvoMWtTRfQYsHbWbD/hquuQ5vUeIyl9gdwBIt6RWk2S6afBA0DPakbeWgD/4SZPiS0hYtU/

12
internal/utils/const.go
View File

@ -26,6 +26,12 @@ const (
// TLS10 is the textual representation of TLS 1.0.
TLS10 = "1.0"
clean = "clean"
tagged = "tagged"
unknown = "unknown"
)
const (
// Hour is an int based representation of the time unit.
Hour = time.Minute * 60
@ -40,11 +46,9 @@ const (
// Month is an int based representation of the time unit.
Month = Year / 12
)
clean = "clean"
tagged = "tagged"
unknown = "unknown"
const (
errFmtLinuxNotFound = "open %s: no such file or directory"
)