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Add restricted user filter to LDAP authentication (#10600)

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* Add restricted user filter to LDAP authentification

* Fix unit test cases
This commit is contained in:
Lauris BH 2020-03-05 08:30:33 +02:00 committed by GitHub
parent be544e8e6a
commit 37c3db7be6
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 146 additions and 52 deletions
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7
cmd/admin_auth_ldap.go
View file

@ -61,6 +61,10 @@ var (
Name: "admin-filter",
Usage: "An LDAP filter specifying if a user should be given administrator privileges.",
},
cli.StringFlag{
Name: "restricted-filter",
Usage: "An LDAP filter specifying if a user should be given restricted status.",
},
cli.BoolFlag{
Name: "allow-deactivate-all",
Usage: "Allow empty search results to deactivate all users.",
@ -235,6 +239,9 @@ func parseLdapConfig(c *cli.Context, config *models.LDAPConfig) error {
if c.IsSet("admin-filter") {
config.Source.AdminFilter = c.String("admin-filter")
}
if c.IsSet("restricted-filter") {
config.Source.RestrictedFilter = c.String("restricted-filter")
}
if c.IsSet("allow-deactivate-all") {
config.Source.AllowDeactivateAll = c.Bool("allow-deactivate-all")
}

8
cmd/admin_auth_ldap_test.go
View file

@ -39,6 +39,7 @@ func TestAddLdapBindDn(t *testing.T) {
"--user-search-base", "ou=Users,dc=full-domain-bind,dc=org",
"--user-filter", "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)",
"--admin-filter", "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)",
"--restricted-filter", "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)",
"--username-attribute", "uid-bind full",
"--firstname-attribute", "givenName-bind full",
"--surname-attribute", "sn-bind full",
@ -74,6 +75,7 @@ func TestAddLdapBindDn(t *testing.T) {
SearchPageSize: 99,
Filter: "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)",
AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)",
RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)",
Enabled: true,
},
},
@ -265,6 +267,7 @@ func TestAddLdapSimpleAuth(t *testing.T) {
"--user-search-base", "ou=Users,dc=full-domain-simple,dc=org",
"--user-filter", "(&(objectClass=posixAccount)(full-simple-cn=%s))",
"--admin-filter", "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)",
"--restricted-filter", "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)",
"--username-attribute", "uid-simple full",
"--firstname-attribute", "givenName-simple full",
"--surname-attribute", "sn-simple full",
@ -292,6 +295,7 @@ func TestAddLdapSimpleAuth(t *testing.T) {
AttributeSSHPublicKey: "publickey-simple full",
Filter: "(&(objectClass=posixAccount)(full-simple-cn=%s))",
AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)",
RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)",
Enabled: true,
},
},
@ -499,6 +503,7 @@ func TestUpdateLdapBindDn(t *testing.T) {
"--user-search-base", "ou=Users,dc=full-domain-bind,dc=org",
"--user-filter", "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)",
"--admin-filter", "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)",
"--restricted-filter", "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)",
"--username-attribute", "uid-bind full",
"--firstname-attribute", "givenName-bind full",
"--surname-attribute", "sn-bind full",
@ -543,6 +548,7 @@ func TestUpdateLdapBindDn(t *testing.T) {
SearchPageSize: 99,
Filter: "(memberOf=cn=user-group,ou=example,dc=full-domain-bind,dc=org)",
AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-bind,dc=org)",
RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-bind,dc=org)",
Enabled: true,
},
},
@ -978,6 +984,7 @@ func TestUpdateLdapSimpleAuth(t *testing.T) {
"--user-search-base", "ou=Users,dc=full-domain-simple,dc=org",
"--user-filter", "(&(objectClass=posixAccount)(full-simple-cn=%s))",
"--admin-filter", "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)",
"--restricted-filter", "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)",
"--username-attribute", "uid-simple full",
"--firstname-attribute", "givenName-simple full",
"--surname-attribute", "sn-simple full",
@ -1006,6 +1013,7 @@ func TestUpdateLdapSimpleAuth(t *testing.T) {
AttributeSSHPublicKey: "publickey-simple full",
Filter: "(&(objectClass=posixAccount)(full-simple-cn=%s))",
AdminFilter: "(memberOf=cn=admin-group,ou=example,dc=full-domain-simple,dc=org)",
RestrictedFilter: "(memberOf=cn=restricted-group,ou=example,dc=full-domain-simple,dc=org)",
},
},
},

6
docs/content/doc/usage/command-line.en-us.md
View file

@ -134,6 +134,7 @@ Admin operations:
- `--user-search-base value`: The LDAP base at which user accounts will be searched for. Required.
- `--user-filter value`: An LDAP filter declaring how to find the user record that is attempting to authenticate. Required.
- `--admin-filter value`: An LDAP filter specifying if a user should be given administrator privileges.
- `--restricted-filter value`: An LDAP filter specifying if a user should be given restricted status.
- `--username-attribute value`: The attribute of the user’s LDAP record containing the user name.
- `--firstname-attribute value`: The attribute of the user’s LDAP record containing the user’s first name.
- `--surname-attribute value`: The attribute of the user’s LDAP record containing the user’s surname.
@ -158,6 +159,7 @@ Admin operations:
- `--user-search-base value`: The LDAP base at which user accounts will be searched for.
- `--user-filter value`: An LDAP filter declaring how to find the user record that is attempting to authenticate.
- `--admin-filter value`: An LDAP filter specifying if a user should be given administrator privileges.
- `--restricted-filter value`: An LDAP filter specifying if a user should be given restricted status.
- `--username-attribute value`: The attribute of the user’s LDAP record containing the user name.
- `--firstname-attribute value`: The attribute of the user’s LDAP record containing the user’s first name.
- `--surname-attribute value`: The attribute of the user’s LDAP record containing the user’s surname.
@ -182,6 +184,7 @@ Admin operations:
- `--user-search-base value`: The LDAP base at which user accounts will be searched for.
- `--user-filter value`: An LDAP filter declaring how to find the user record that is attempting to authenticate. Required.
- `--admin-filter value`: An LDAP filter specifying if a user should be given administrator privileges.
- `--restricted-filter value`: An LDAP filter specifying if a user should be given restricted status.
- `--username-attribute value`: The attribute of the user’s LDAP record containing the user name.
- `--firstname-attribute value`: The attribute of the user’s LDAP record containing the user’s first name.
- `--surname-attribute value`: The attribute of the user’s LDAP record containing the user’s surname.
@ -202,6 +205,7 @@ Admin operations:
- `--user-search-base value`: The LDAP base at which user accounts will be searched for.
- `--user-filter value`: An LDAP filter declaring how to find the user record that is attempting to authenticate.
- `--admin-filter value`: An LDAP filter specifying if a user should be given administrator privileges.
- `--restricted-filter value`: An LDAP filter specifying if a user should be given restricted status.
- `--username-attribute value`: The attribute of the user’s LDAP record containing the user name.
- `--firstname-attribute value`: The attribute of the user’s LDAP record containing the user’s first name.
- `--surname-attribute value`: The attribute of the user’s LDAP record containing the user’s surname.
@ -313,4 +317,4 @@ var checklist = []check{
}
```
This function will receive a command line context and return a list of details about the problems or error.
This function will receive a command line context and return a list of details about the problems or error.

30
integrations/auth_ldap_test.go
View file

@ -18,13 +18,14 @@ import (
)
type ldapUser struct {
UserName string
Password string
FullName string
Email string
OtherEmails []string
IsAdmin bool
SSHKeys []string
UserName string
Password string
FullName string
Email string
OtherEmails []string
IsAdmin bool
IsRestricted bool
SSHKeys []string
}
var gitLDAPUsers = []ldapUser{
@ -55,10 +56,11 @@ var gitLDAPUsers = []ldapUser{
Email: "fry@planetexpress.com",
},
{
UserName: "leela",
Password: "leela",
FullName: "Leela Turanga",
Email: "leela@planetexpress.com",
UserName: "leela",
Password: "leela",
FullName: "Leela Turanga",
Email: "leela@planetexpress.com",
IsRestricted: true,
},
{
UserName: "bender",
@ -109,6 +111,7 @@ func addAuthSourceLDAP(t *testing.T, sshKeyAttribute string) {
"user_base": "ou=people,dc=planetexpress,dc=com",
"filter": "(&(objectClass=inetOrgPerson)(memberOf=cn=git,ou=people,dc=planetexpress,dc=com)(uid=%s))",
"admin_filter": "(memberOf=cn=admin_staff,ou=people,dc=planetexpress,dc=com)",
"restricted_filter": "(uid=leela)",
"attribute_username": "uid",
"attribute_name": "givenName",
"attribute_surname": "sn",
@ -173,6 +176,11 @@ func TestLDAPUserSync(t *testing.T) {
} else {
assert.True(t, tds.Find("td:nth-child(5) i").HasClass("fa-square-o"))
}
if u.IsRestricted {
assert.True(t, tds.Find("td:nth-child(6) i").HasClass("fa-check-square-o"))
} else {
assert.True(t, tds.Find("td:nth-child(6) i").HasClass("fa-square-o"))
}
}
// Check if no users exist

43
models/login_source.go
View file

@ -475,13 +475,23 @@ func LoginViaLDAP(user *User, login, password string, source *LoginSource) (*Use
return nil, err
}
}
if user != nil &&
!user.ProhibitLogin && len(source.LDAP().AdminFilter) > 0 && user.IsAdmin != sr.IsAdmin {
// Change existing admin flag only if AdminFilter option is set
user.IsAdmin = sr.IsAdmin
err = UpdateUserCols(user, "is_admin")
if err != nil {
return nil, err
if user != nil && !user.ProhibitLogin {
cols := make([]string, 0)
if len(source.LDAP().AdminFilter) > 0 && user.IsAdmin != sr.IsAdmin {
// Change existing admin flag only if AdminFilter option is set
user.IsAdmin = sr.IsAdmin
cols = append(cols, "is_admin")
}
if !user.IsAdmin && len(source.LDAP().RestrictedFilter) > 0 && user.IsRestricted != sr.IsRestricted {
// Change existing restricted flag only if RestrictedFilter option is set
user.IsRestricted = sr.IsRestricted
cols = append(cols, "is_restricted")
}
if len(cols) > 0 {
err = UpdateUserCols(user, cols...)
if err != nil {
return nil, err
}
}
}
}
@ -504,15 +514,16 @@ func LoginViaLDAP(user *User, login, password string, source *LoginSource) (*Use
}
user = &User{
LowerName: strings.ToLower(sr.Username),
Name: sr.Username,
FullName: composeFullName(sr.Name, sr.Surname, sr.Username),
Email: sr.Mail,
LoginType: source.Type,
LoginSource: source.ID,
LoginName: login,
IsActive: true,
IsAdmin: sr.IsAdmin,
LowerName: strings.ToLower(sr.Username),
Name: sr.Username,
FullName: composeFullName(sr.Name, sr.Surname, sr.Username),
Email: sr.Mail,
LoginType: source.Type,
LoginSource: source.ID,
LoginName: login,
IsActive: true,
IsAdmin: sr.IsAdmin,
IsRestricted: sr.IsRestricted,
}
err := CreateUser(user)

26
models/user.go
View file

@ -1875,15 +1875,16 @@ func SyncExternalUsers(ctx context.Context) {
log.Trace("SyncExternalUsers[%s]: Creating user %s", s.Name, su.Username)
usr = &User{
LowerName: strings.ToLower(su.Username),
Name: su.Username,
FullName: fullName,
LoginType: s.Type,
LoginSource: s.ID,
LoginName: su.Username,
Email: su.Mail,
IsAdmin: su.IsAdmin,
IsActive: true,
LowerName: strings.ToLower(su.Username),
Name: su.Username,
FullName: fullName,
LoginType: s.Type,
LoginSource: s.ID,
LoginName: su.Username,
Email: su.Mail,
IsAdmin: su.IsAdmin,
IsRestricted: su.IsRestricted,
IsActive: true,
}
err = CreateUser(usr)
@ -1906,6 +1907,7 @@ func SyncExternalUsers(ctx context.Context) {
// Check if user data has changed
if (len(s.LDAP().AdminFilter) > 0 && usr.IsAdmin != su.IsAdmin) ||
(len(s.LDAP().RestrictedFilter) > 0 && usr.IsRestricted != su.IsRestricted) ||
!strings.EqualFold(usr.Email, su.Mail) ||
usr.FullName != fullName ||
!usr.IsActive {
@ -1918,9 +1920,13 @@ func SyncExternalUsers(ctx context.Context) {
if len(s.LDAP().AdminFilter) > 0 {
usr.IsAdmin = su.IsAdmin
}
// Change existing restricted flag only if RestrictedFilter option is set
if !usr.IsAdmin && len(s.LDAP().RestrictedFilter) > 0 {
usr.IsRestricted = su.IsRestricted
}
usr.IsActive = true
err = UpdateUserCols(usr, "full_name", "email", "is_admin", "is_active")
err = UpdateUserCols(usr, "full_name", "email", "is_admin", "is_restricted", "is_active")
if err != nil {
log.Error("SyncExternalUsers[%s]: Error updating user %s: %v", s.Name, usr.Name, err)
}

1
modules/auth/auth_form.go
View file

@ -30,6 +30,7 @@ type AuthenticationForm struct {
SearchPageSize int
Filter string
AdminFilter string
RestrictedFilter string
AllowDeactivateAll bool
IsActive bool
IsSyncEnabled bool

64
modules/auth/ldap/ldap.go
View file

@ -46,6 +46,7 @@ type Source struct {
SearchPageSize uint32 // Search with paging page size
Filter string // Query filter to validate entry
AdminFilter string // Query filter to check if user is admin
RestrictedFilter string // Query filter to check if user is restricted
Enabled bool // if this source is disabled
AllowDeactivateAll bool // Allow an empty search response to deactivate all users from this source
}
@ -58,6 +59,7 @@ type SearchResult struct {
Mail string // E-mail address
SSHPublicKey []string // SSH Public Key
IsAdmin bool // if user is administrator
IsRestricted bool // if user is restricted
}
func (ls *Source) sanitizedUserQuery(username string) (string, bool) {
@ -153,22 +155,48 @@ func bindUser(l *ldap.Conn, userDN, passwd string) error {
}
func checkAdmin(l *ldap.Conn, ls *Source, userDN string) bool {
if len(ls.AdminFilter) > 0 {
log.Trace("Checking admin with filter %s and base %s", ls.AdminFilter, userDN)
search := ldap.NewSearchRequest(
userDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false, ls.AdminFilter,
[]string{ls.AttributeName},
nil)
if len(ls.AdminFilter) == 0 {
return false
}
log.Trace("Checking admin with filter %s and base %s", ls.AdminFilter, userDN)
search := ldap.NewSearchRequest(
userDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false, ls.AdminFilter,
[]string{ls.AttributeName},
nil)
sr, err := l.Search(search)
sr, err := l.Search(search)
if err != nil {
log.Error("LDAP Admin Search failed unexpectedly! (%v)", err)
} else if len(sr.Entries) < 1 {
log.Trace("LDAP Admin Search found no matching entries.")
} else {
return true
}
if err != nil {
log.Error("LDAP Admin Search failed unexpectedly! (%v)", err)
} else if len(sr.Entries) < 1 {
log.Trace("LDAP Admin Search found no matching entries.")
} else {
return true
}
return false
}
func checkRestricted(l *ldap.Conn, ls *Source, userDN string) bool {
if len(ls.RestrictedFilter) == 0 {
return false
}
if ls.RestrictedFilter == "*" {
return true
}
log.Trace("Checking restricted with filter %s and base %s", ls.RestrictedFilter, userDN)
search := ldap.NewSearchRequest(
userDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false, ls.RestrictedFilter,
[]string{ls.AttributeName},
nil)
sr, err := l.Search(search)
if err != nil {
log.Error("LDAP Restrictred Search failed unexpectedly! (%v)", err)
} else if len(sr.Entries) < 1 {
log.Trace("LDAP Restricted Search found no matching entries.")
} else {
return true
}
return false
}
@ -284,6 +312,10 @@ func (ls *Source) SearchEntry(name, passwd string, directBind bool) *SearchResul
sshPublicKey = sr.Entries[0].GetAttributeValues(ls.AttributeSSHPublicKey)
}
isAdmin := checkAdmin(l, ls, userDN)
var isRestricted bool
if !isAdmin {
isRestricted = checkRestricted(l, ls, userDN)
}
if !directBind && ls.AttributesInBind {
// binds user (checking password) after looking-up attributes in BindDN context
@ -300,6 +332,7 @@ func (ls *Source) SearchEntry(name, passwd string, directBind bool) *SearchResul
Mail: mail,
SSHPublicKey: sshPublicKey,
IsAdmin: isAdmin,
IsRestricted: isRestricted,
}
}
@ -364,6 +397,9 @@ func (ls *Source) SearchEntries() ([]*SearchResult, error) {
Mail: v.GetAttributeValue(ls.AttributeMail),
IsAdmin: checkAdmin(l, ls, v.DN),
}
if !result[i].IsAdmin {
result[i].IsRestricted = checkRestricted(l, ls, v.DN)
}
if isAttributeSSHPublicKeySet {
result[i].SSHPublicKey = v.GetAttributeValues(ls.AttributeSSHPublicKey)
}

2
options/locale/locale_en-US.ini
View file

@ -1893,6 +1893,8 @@ auths.use_paged_search = Use Paged Search
auths.search_page_size = Page Size
auths.filter = User Filter
auths.admin_filter = Admin Filter
auths.restricted_filter = Restricted Filter
auths.restricted_filter_helper = Leave empty to not set any users as restricted. Use an asterisk ('*') to set all users that do not match Admin Filter as restricted.
auths.ms_ad_sa = MS AD Search Attributes
auths.smtp_auth = SMTP Authentication Type
auths.smtphost = SMTP Host

1
routers/admin/auths.go
View file

@ -130,6 +130,7 @@ func parseLDAPConfig(form auth.AuthenticationForm) *models.LDAPConfig {
SearchPageSize: pageSize,
Filter: form.Filter,
AdminFilter: form.AdminFilter,
RestrictedFilter: form.RestrictedFilter,
AllowDeactivateAll: form.AllowDeactivateAll,
Enabled: true,
},

5
templates/admin/auth/edit.tmpl
View file

@ -74,6 +74,11 @@
<label for="admin_filter">{{.i18n.Tr "admin.auths.admin_filter"}}</label>
<input id="admin_filter" name="admin_filter" value="{{$cfg.AdminFilter}}">
</div>
<div class="field">
<label for="restricted_filter">{{.i18n.Tr "admin.auths.restricted_filter"}}</label>
<input id="restricted_filter" name="restricted_filter" value="{{$cfg.RestrictedFilter}}">
<p class="help">{{.i18n.Tr "admin.auths.restricted_filter_helper"}}</p>
</div>
<div class="field">
<label for="attribute_username">{{.i18n.Tr "admin.auths.attribute_username"}}</label>
<input id="attribute_username" name="attribute_username" value="{{$cfg.AttributeUsername}}" placeholder="{{.i18n.Tr "admin.auths.attribute_username_placeholder"}}">

5
templates/admin/auth/source/ldap.tmpl
View file

@ -46,6 +46,11 @@
<label for="admin_filter">{{.i18n.Tr "admin.auths.admin_filter"}}</label>
<input id="admin_filter" name="admin_filter" value="{{.admin_filter}}">
</div>
<div class="field">
<label for="restricted_filter">{{.i18n.Tr "admin.auths.restricted_filter"}}</label>
<input id="restricted_filter" name="admin_filter" value="{{.restricted_filter}}">
<p class="help">{{.i18n.Tr "admin.auths.restricted_filter_helper"}}</p>
</div>
<div class="field">
<label for="attribute_username">{{.i18n.Tr "admin.auths.attribute_username"}}</label>
<input id="attribute_username" name="attribute_username" value="{{.attribute_username}}" placeholder="{{.i18n.Tr "admin.auths.attribute_username_placeholder"}}">