feat: add ldap support (#232)

* feat: add ldap support

* feat: add insecure option for self-signed certificates

* fix: recognize ldap as a username provider

* test: fix tests

* feat: add configurable search filter

* fix: fix error message in ldap search result

* refactor: bot suggestions

internal/types/config.go

@@ -36,6 +36,12 @@ type Config struct {
 	LoginMaxRetries         int    `mapstructure:"login-max-retries"`
 	FogotPasswordMessage    string `mapstructure:"forgot-password-message" validate:"required"`
 	BackgroundImage         string `mapstructure:"background-image" validate:"required"`
+	LdapAddress             string `mapstructure:"ldap-address"`
+	LdapBindDN              string `mapstructure:"ldap-bind-dn"`
+	LdapBindPassword        string `mapstructure:"ldap-bind-password"`
+	LdapBaseDN              string `mapstructure:"ldap-base-dn"`
+	LdapInsecure            bool   `mapstructure:"ldap-insecure"`
+	LdapSearchFilter        string `mapstructure:"ldap-search-filter"`
 }
 
 // Server configuration
@@ -122,3 +128,13 @@ type Labels struct {
 	OAuth   OAuthLabels
 	IP      IPLabels
 }
+
+// Ldap config is a struct that contains the configuration for the LDAP service
+type LdapConfig struct {
+	Address      string
+	BindDN       string
+	BindPassword string
+	BaseDN       string
+	Insecure     bool
+	SearchFilter string
+}

internal/types/types.go

@@ -12,6 +12,12 @@ type User struct {
 	TotpSecret string
 }
 
+// UserSearch is the response of the get user
+type UserSearch struct {
+	Username string
+	Type     string // "local", "ldap" or empty
+}
+
 // Users is a list of users
 type Users []User