ldap

package
v0.0.0-cloud Latest Latest
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 Go to latest Published: Mar 30, 2023 License: AGPL-3.0 Imports: 18 Imported by: 0

Documentation

Index

Constants

View Source 
const UsersMaxRequest = 500

UsersMaxRequest is a max amount of users we can request via Users(). Since many LDAP servers has limitations on how much items can we return in one request

Variables

View Source 
var (

	// ErrInvalidCredentials is returned if username and password do not match
	ErrInvalidCredentials = errors.New("invalid username or password")

	// ErrCouldNotFindUser is returned when username hasn't been found (not username+password)
	ErrCouldNotFindUser = errors.New("can't find user in LDAP")
)

Functions

func IsMemberOf 

func IsMemberOf(memberOf []string, group string) bool

Types

type AttributeMap 

type AttributeMap struct {
	Username string `toml:"username"`
	Name     string `toml:"name"`
	Surname  string `toml:"surname"`
	Email    string `toml:"email"`
	MemberOf string `toml:"member_of"`
}

AttributeMap is a struct representation for LDAP "attributes" setting

type Config 

type Config struct {
	Servers []*ServerConfig `toml:"servers"`
}

Config holds list of connections to LDAP

func GetConfig 

func GetConfig(cfg *setting.Cfg) (*Config, error)

GetConfig returns the LDAP config if LDAP is enabled otherwise it returns nil. It returns either cached value of the config or it reads it and caches it first.

type GroupToOrgRole 

type GroupToOrgRole struct {
	GroupDN string `toml:"group_dn"`
	OrgId   int64  `toml:"org_id"`

	// This pointer specifies if setting was set (for backwards compatibility)
	IsGrafanaAdmin *bool `toml:"grafana_admin"`

	OrgRole org.RoleType `toml:"org_role"`
}

GroupToOrgRole is a struct representation of LDAP config "group_mappings" setting

type Groups 

type Groups interface {
	GetTeams(groups []string, orgIDs []int64) ([]TeamOrgGroupDTO, error)
}

type IConnection 

type IConnection interface {
	Bind(username, password string) error
	UnauthenticatedBind(username string) error
	Add(*ldap.AddRequest) error
	Del(*ldap.DelRequest) error
	Search(*ldap.SearchRequest) (*ldap.SearchResult, error)
	StartTLS(*tls.Config) error
	Close()
}

IConnection is interface for LDAP connection manipulation

type IServer 

type IServer interface {
	Login(*login.LoginUserQuery) (*login.ExternalUserInfo, error)
	Users([]string) ([]*login.ExternalUserInfo, error)
	Bind() error
	UserBind(string, string) error
	Dial() error
	Close()
}

IServer is interface for LDAP authorization

func New 

func New(config *ServerConfig, cfg *setting.Cfg) IServer

New creates the new LDAP connection

type MockConnection 

type MockConnection struct {
	SearchFunc       searchFunc
	SearchCalled     bool
	SearchAttributes []string

	AddParams *ldap.AddRequest
	AddCalled bool

	DelParams *ldap.DelRequest
	DelCalled bool

	CloseCalled bool

	UnauthenticatedBindCalled bool
	BindCalled                bool

	BindProvider                func(username, password string) error
	UnauthenticatedBindProvider func() error
}

MockConnection struct for testing

func (*MockConnection) Add 

func (c *MockConnection) Add(request *ldap.AddRequest) error

Add mocks Add connection function

func (*MockConnection) Bind 

func (c *MockConnection) Bind(username, password string) error

Bind mocks Bind connection function

func (*MockConnection) Close 

func (c *MockConnection) Close()

Close mocks Close connection function

func (*MockConnection) Del 

func (c *MockConnection) Del(request *ldap.DelRequest) error

Del mocks Del connection function

func (*MockConnection) Search 

func (c *MockConnection) Search(sr *ldap.SearchRequest) (*ldap.SearchResult, error)

Search mocks Search connection function

func (*MockConnection) StartTLS 

func (c *MockConnection) StartTLS(*tls.Config) error

StartTLS mocks StartTLS connection function

func (*MockConnection) UnauthenticatedBind 

func (c *MockConnection) UnauthenticatedBind(username string) error

UnauthenticatedBind mocks UnauthenticatedBind connection function

type OSSGroups 

type OSSGroups struct{}

func ProvideGroupsService 

func ProvideGroupsService() *OSSGroups

func (*OSSGroups) GetTeams 

func (*OSSGroups) GetTeams(_ []string, _ []int64) ([]TeamOrgGroupDTO, error)

type Server 

type Server struct {
	Config     *ServerConfig
	Connection IConnection
	// contains filtered or unexported fields
}

Server is basic struct of LDAP authorization

func (*Server) AdminBind 

func (server *Server) AdminBind() error

AdminBind binds "admin" user with LDAP Dial() sets the connection with the server for this Struct. Therefore, we require a call to Dial() before being able to execute this function.

func (*Server) Bind 

func (server *Server) Bind() error

Bind authenticates the connection with the LDAP server - with the username and password setup in the config - or, anonymously

Dial() sets the connection with the server for this Struct. Therefore, we require a call to Dial() before being able to execute this function.

func (*Server) Close 

func (server *Server) Close()

Close closes the LDAP connection Dial() sets the connection with the server for this Struct. Therefore, we require a call to Dial() before being able to execute this function.

func (*Server) Dial 

func (server *Server) Dial() error

Dial dials in the LDAP TODO: decrease cyclomatic complexity

func (*Server) Login 

func (server *Server) Login(query *login.LoginUserQuery) (
	*login.ExternalUserInfo, error,
)

Login the user. There are several cases - 1. "admin" user Bind the "admin" user (defined in Grafana config file) which has the search privileges in LDAP server, then we search the targeted user through that bind, then the second perform the bind via passed login/password. 2. Single bind // If all the users meant to be used with Grafana have the ability to search in LDAP server then we bind with LDAP server with targeted login/password and then search for the said user in order to retrieve all the information about them 3. Unauthenticated bind For some LDAP configurations it is allowed to search the user without login/password binding with LDAP server, in such case we will perform "unauthenticated bind", then search for the targeted user and then perform the bind with passed login/password.

Dial() sets the connection with the server for this Struct. Therefore, we require a call to Dial() before being able to execute this function.

func (*Server) UserBind 

func (server *Server) UserBind(username, password string) error

UserBind binds the user with the LDAP server Dial() sets the connection with the server for this Struct. Therefore, we require a call to Dial() before being able to execute this function.

func (*Server) Users 

func (server *Server) Users(logins []string) (
	[]*login.ExternalUserInfo,
	error,
)

Users gets LDAP users by logins Dial() sets the connection with the server for this Struct. Therefore, we require a call to Dial() before being able to execute this function.

type ServerConfig 

type ServerConfig struct {
	Host string `toml:"host"`
	Port int    `toml:"port"`

	UseSSL        bool   `toml:"use_ssl"`
	StartTLS      bool   `toml:"start_tls"`
	SkipVerifySSL bool   `toml:"ssl_skip_verify"`
	MinTLSVersion string `toml:"min_tls_version"`

	TLSCiphers []string `toml:"tls_ciphers"`

	RootCACert   string       `toml:"root_ca_cert"`
	ClientCert   string       `toml:"client_cert"`
	ClientKey    string       `toml:"client_key"`
	BindDN       string       `toml:"bind_dn"`
	BindPassword string       `toml:"bind_password"`
	Timeout      int          `toml:"timeout"`
	Attr         AttributeMap `toml:"attributes"`

	SearchFilter  string   `toml:"search_filter"`
	SearchBaseDNs []string `toml:"search_base_dns"`

	GroupSearchFilter              string   `toml:"group_search_filter"`
	GroupSearchFilterUserAttribute string   `toml:"group_search_filter_user_attribute"`
	GroupSearchBaseDNs             []string `toml:"group_search_base_dns"`

	Groups []*GroupToOrgRole `toml:"group_mappings"`
	// contains filtered or unexported fields
}

ServerConfig holds connection data to LDAP

type TeamOrgGroupDTO 

type TeamOrgGroupDTO struct {
	TeamName string `json:"teamName"`
	OrgName  string `json:"orgName"`
	GroupDN  string `json:"groupDN"`
}

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