authelia/internal/configuration/validator/session.go

119 lines
4.4 KiB
Go

package validator
import (
"errors"
"fmt"
"strings"
"github.com/authelia/authelia/internal/configuration/schema"
"github.com/authelia/authelia/internal/utils"
)
// ValidateSession validates and update session configuration.
func ValidateSession(configuration *schema.SessionConfiguration, validator *schema.StructValidator) {
if configuration.Name == "" {
configuration.Name = schema.DefaultSessionConfiguration.Name
}
if configuration.Redis != nil {
if configuration.Redis.HighAvailability != nil {
if configuration.Redis.HighAvailability.SentinelName != "" {
validateRedisSentinel(configuration, validator)
} else {
validator.Push(fmt.Errorf("Session provider redis is configured for high availability but doesn't have a sentinel_name which is required"))
}
} else {
validateRedis(configuration, validator)
}
}
validateSession(configuration, validator)
}
func validateSession(configuration *schema.SessionConfiguration, validator *schema.StructValidator) {
if configuration.Expiration == "" {
configuration.Expiration = schema.DefaultSessionConfiguration.Expiration // 1 hour
} else if _, err := utils.ParseDurationString(configuration.Expiration); err != nil {
validator.Push(fmt.Errorf("Error occurred parsing session expiration string: %s", err))
}
if configuration.Inactivity == "" {
configuration.Inactivity = schema.DefaultSessionConfiguration.Inactivity // 5 min
} else if _, err := utils.ParseDurationString(configuration.Inactivity); err != nil {
validator.Push(fmt.Errorf("Error occurred parsing session inactivity string: %s", err))
}
if configuration.RememberMeDuration == "" {
configuration.RememberMeDuration = schema.DefaultSessionConfiguration.RememberMeDuration // 1 month
} else if _, err := utils.ParseDurationString(configuration.RememberMeDuration); err != nil {
validator.Push(fmt.Errorf("Error occurred parsing session remember_me_duration string: %s", err))
}
if configuration.Domain == "" {
validator.Push(errors.New("Set domain of the session object"))
}
if strings.Contains(configuration.Domain, "*") {
validator.Push(errors.New("The domain of the session must be the root domain you're protecting instead of a wildcard domain"))
}
if configuration.SameSite == "" {
configuration.SameSite = schema.DefaultSessionConfiguration.SameSite
} else if configuration.SameSite != "none" && configuration.SameSite != "lax" && configuration.SameSite != "strict" {
validator.Push(errors.New("session same_site is configured incorrectly, must be one of 'none', 'lax', or 'strict'"))
}
}
func validateRedis(configuration *schema.SessionConfiguration, validator *schema.StructValidator) {
if configuration.Redis.Host == "" {
validator.Push(fmt.Errorf(errFmtSessionRedisHostRequired, "redis"))
}
if configuration.Secret == "" {
validator.Push(fmt.Errorf(errFmtSessionSecretRedisProvider, "redis"))
}
if !strings.HasPrefix(configuration.Redis.Host, "/") && configuration.Redis.Port == 0 {
validator.Push(errors.New("A redis port different than 0 must be provided"))
} else if configuration.Redis.Port < 0 || configuration.Redis.Port > 65535 {
validator.Push(fmt.Errorf(errFmtSessionRedisPortRange, "redis"))
}
if configuration.Redis.MaximumActiveConnections <= 0 {
configuration.Redis.MaximumActiveConnections = 8
}
}
func validateRedisSentinel(configuration *schema.SessionConfiguration, validator *schema.StructValidator) {
if configuration.Redis.Port == 0 {
configuration.Redis.Port = 26379
} else if configuration.Redis.Port < 0 || configuration.Redis.Port > 65535 {
validator.Push(fmt.Errorf(errFmtSessionRedisPortRange, "redis sentinel"))
}
validateHighAvailability(configuration, validator, "redis sentinel")
}
func validateHighAvailability(configuration *schema.SessionConfiguration, validator *schema.StructValidator, provider string) {
if configuration.Redis.Host == "" && len(configuration.Redis.HighAvailability.Nodes) == 0 {
validator.Push(fmt.Errorf(errFmtSessionRedisHostOrNodesRequired, provider))
}
if configuration.Secret == "" {
validator.Push(fmt.Errorf(errFmtSessionSecretRedisProvider, provider))
}
for i, node := range configuration.Redis.HighAvailability.Nodes {
if node.Host == "" {
validator.Push(fmt.Errorf("The %s nodes require a host set but you have not set the host for one or more nodes", provider))
break
}
if node.Port == 0 {
if provider == "redis sentinel" {
configuration.Redis.HighAvailability.Nodes[i].Port = 26379
}
}
}
}