authelia/internal/session/provider_config.go

125 lines
3.8 KiB
Go

package session
import (
"crypto/tls"
"crypto/x509"
"fmt"
"strings"
"github.com/authelia/session/v2"
"github.com/authelia/session/v2/providers/redis"
"github.com/valyala/fasthttp"
"github.com/authelia/authelia/internal/configuration/schema"
"github.com/authelia/authelia/internal/utils"
)
// NewProviderConfig creates a configuration for creating the session provider.
func NewProviderConfig(configuration schema.SessionConfiguration, certPool *x509.CertPool) ProviderConfig {
config := session.NewDefaultConfig()
// Override the cookie name.
config.CookieName = configuration.Name
// Set the cookie to the given domain.
config.Domain = configuration.Domain
// Only serve the header over HTTPS.
config.Secure = true
// Ignore the error as it will be handled by validator.
config.Expiration, _ = utils.ParseDurationString(configuration.Expiration)
// TODO(c.michaud): Make this configurable by giving the list of IPs that are trustable.
config.IsSecureFunc = func(*fasthttp.RequestCtx) bool {
return true
}
var redisConfig *redis.Config
var redisSentinelConfig *redis.FailoverConfig
var providerName string
// If redis configuration is provided, then use the redis provider.
switch {
case configuration.Redis != nil:
serializer := NewEncryptingSerializer(configuration.Secret)
var tlsConfig *tls.Config
if configuration.Redis.TLS != nil {
tlsConfig = utils.NewTLSConfig(configuration.Redis.TLS, tls.VersionTLS12, certPool)
}
if configuration.Redis.HighAvailability != nil && configuration.Redis.HighAvailability.SentinelName != "" {
addrs := make([]string, 0)
if configuration.Redis.Host != "" {
addrs = append(addrs, fmt.Sprintf("%s:%d", strings.ToLower(configuration.Redis.Host), configuration.Redis.Port))
}
for _, node := range configuration.Redis.HighAvailability.Nodes {
addr := fmt.Sprintf("%s:%d", strings.ToLower(node.Host), node.Port)
if !utils.IsStringInSlice(addr, addrs) {
addrs = append(addrs, addr)
}
}
providerName = "redis-sentinel"
redisSentinelConfig = &redis.FailoverConfig{
MasterName: configuration.Redis.HighAvailability.SentinelName,
SentinelAddrs: addrs,
SentinelPassword: configuration.Redis.HighAvailability.SentinelPassword,
RouteByLatency: configuration.Redis.HighAvailability.RouteByLatency,
RouteRandomly: configuration.Redis.HighAvailability.RouteRandomly,
Username: configuration.Redis.Username,
Password: configuration.Redis.Password,
DB: configuration.Redis.DatabaseIndex, // DB is the fasthttp/session property for the Redis DB Index.
PoolSize: configuration.Redis.MaximumActiveConnections,
MinIdleConns: configuration.Redis.MinimumIdleConnections,
IdleTimeout: 300,
TLSConfig: tlsConfig,
KeyPrefix: "authelia-session",
}
} else {
providerName = "redis"
network := "tcp"
var addr string
if configuration.Redis.Port == 0 {
network = "unix"
addr = configuration.Redis.Host
} else {
addr = fmt.Sprintf("%s:%d", configuration.Redis.Host, configuration.Redis.Port)
}
redisConfig = &redis.Config{
Network: network,
Addr: addr,
Username: configuration.Redis.Username,
Password: configuration.Redis.Password,
DB: configuration.Redis.DatabaseIndex, // DB is the fasthttp/session property for the Redis DB Index.
PoolSize: configuration.Redis.MaximumActiveConnections,
MinIdleConns: configuration.Redis.MinimumIdleConnections,
IdleTimeout: 300,
TLSConfig: tlsConfig,
KeyPrefix: "authelia-session",
}
}
config.EncodeFunc = serializer.Encode
config.DecodeFunc = serializer.Decode
default:
providerName = "memory"
}
return ProviderConfig{
config,
redisConfig,
redisSentinelConfig,
providerName,
}
}