grafana/pkg/services/ldap/settings.go

127 lines
3.1 KiB
Go

package ldap
import (
"fmt"
"os"
"github.com/BurntSushi/toml"
"github.com/grafana/grafana/pkg/log"
m "github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/setting"
)
type Config struct {
Servers []*ServerConfig `toml:"servers"`
}
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"`
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"`
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"`
}
type AttributeMap struct {
Username string `toml:"username"`
Name string `toml:"name"`
Surname string `toml:"surname"`
Email string `toml:"email"`
MemberOf string `toml:"member_of"`
}
type GroupToOrgRole struct {
GroupDN string `toml:"group_dn"`
OrgId int64 `toml:"org_id"`
IsGrafanaAdmin *bool `toml:"grafana_admin"` // This is a pointer to know if it was set or not (for backwards compatibility)
OrgRole m.RoleType `toml:"org_role"`
}
var config *Config
var logger = log.New("ldap")
// IsEnabled checks if ldap is enabled
func IsEnabled() bool {
return setting.LdapEnabled
}
// ReadConfig reads the config if
// ldap is enabled otherwise it will return nil
func ReadConfig() *Config {
if IsEnabled() == false {
return nil
}
// Make it a singleton
if config != nil {
return config
}
config = getConfig(setting.LdapConfigFile)
return config
}
func getConfig(configFile string) *Config {
result := &Config{}
logger.Info("Ldap enabled, reading config file", "file", configFile)
_, err := toml.DecodeFile(configFile, result)
if err != nil {
logger.Crit("Failed to load ldap config file", "error", err)
os.Exit(1)
}
if len(result.Servers) == 0 {
logger.Crit("ldap enabled but no ldap servers defined in config file")
os.Exit(1)
}
// set default org id
for _, server := range result.Servers {
assertNotEmptyCfg(server.SearchFilter, "search_filter")
assertNotEmptyCfg(server.SearchBaseDNs, "search_base_dns")
for _, groupMap := range server.Groups {
if groupMap.OrgId == 0 {
groupMap.OrgId = 1
}
}
}
return result
}
func assertNotEmptyCfg(val interface{}, propName string) {
switch v := val.(type) {
case string:
if v == "" {
logger.Crit("LDAP config file is missing option", "option", propName)
os.Exit(1)
}
case []string:
if len(v) == 0 {
logger.Crit("LDAP config file is missing option", "option", propName)
os.Exit(1)
}
default:
fmt.Println("unknown")
}
}