authelia/internal/configuration/validator/configuration.go

97 lines
2.8 KiB
Go

package validator
import (
"fmt"
"net/url"
"os"
"github.com/authelia/authelia/internal/configuration/schema"
)
var defaultPort = 8080
var defaultLogLevel = "info"
// ValidateConfiguration and adapt the configuration read from file.
//nolint:gocyclo // This function is likely to always have lots of if/else statements, as long as we keep the flow clean it should be understandable.
func ValidateConfiguration(configuration *schema.Configuration, validator *schema.StructValidator) {
if configuration.Host == "" {
configuration.Host = "0.0.0.0"
}
if configuration.Port == 0 {
configuration.Port = defaultPort
}
if configuration.TLSKey != "" && configuration.TLSCert == "" {
validator.Push(fmt.Errorf("No TLS certificate provided, please check the \"tls_cert\" which has been configured"))
} else if configuration.TLSKey == "" && configuration.TLSCert != "" {
validator.Push(fmt.Errorf("No TLS key provided, please check the \"tls_key\" which has been configured"))
}
if configuration.CertificatesDirectory != "" {
info, err := os.Stat(configuration.CertificatesDirectory)
if err != nil {
validator.Push(fmt.Errorf("Error checking certificate directory: %v", err))
} else if !info.IsDir() {
validator.Push(fmt.Errorf("The path %s specified for certificate_directory is not a directory", configuration.CertificatesDirectory))
}
}
if configuration.LogLevel == "" {
configuration.LogLevel = defaultLogLevel
}
if configuration.JWTSecret == "" {
validator.Push(fmt.Errorf("Provide a JWT secret using \"jwt_secret\" key"))
}
if configuration.DefaultRedirectionURL != "" {
_, err := url.ParseRequestURI(configuration.DefaultRedirectionURL)
if err != nil {
validator.Push(fmt.Errorf("Unable to parse default redirection url"))
}
}
if configuration.Theme == "" {
configuration.Theme = "light"
}
ValidateTheme(configuration, validator)
if configuration.TOTP == nil {
configuration.TOTP = &schema.DefaultTOTPConfiguration
}
ValidateTOTP(configuration.TOTP, validator)
ValidateAuthenticationBackend(&configuration.AuthenticationBackend, validator)
if configuration.AccessControl.DefaultPolicy == "" {
configuration.AccessControl.DefaultPolicy = denyPolicy
}
ValidateAccessControl(configuration.AccessControl, validator)
if configuration.AccessControl.Rules != nil {
ValidateRules(configuration.AccessControl, validator)
}
ValidateSession(&configuration.Session, validator)
if configuration.Regulation == nil {
configuration.Regulation = &schema.DefaultRegulationConfiguration
}
ValidateRegulation(configuration.Regulation, validator)
ValidateServer(&configuration.Server, validator)
ValidateStorage(configuration.Storage, validator)
if configuration.Notifier == nil {
validator.Push(fmt.Errorf("A notifier configuration must be provided"))
} else {
ValidateNotifier(configuration.Notifier, validator)
}
}