85 lines
2.8 KiB
Go
85 lines
2.8 KiB
Go
package validator
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import (
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"fmt"
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"path"
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"strings"
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"github.com/authelia/authelia/v4/internal/configuration/schema"
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"github.com/authelia/authelia/v4/internal/utils"
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)
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// validateFileExists checks whether a file exist.
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func validateFileExists(path string, validator *schema.StructValidator, errTemplate string) {
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exist, err := utils.FileExists(path)
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if err != nil {
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validator.Push(fmt.Errorf("tls: unable to check if file %s exists: %s", path, err))
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}
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if !exist {
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validator.Push(fmt.Errorf(errTemplate, path))
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}
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}
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// ValidateServerTLS checks a server TLS configuration is correct.
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func ValidateServerTLS(config *schema.Configuration, validator *schema.StructValidator) {
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if config.Server.TLS.Key != "" && config.Server.TLS.Certificate == "" {
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validator.Push(fmt.Errorf(errFmtServerTLSCert))
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} else if config.Server.TLS.Key == "" && config.Server.TLS.Certificate != "" {
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validator.Push(fmt.Errorf(errFmtServerTLSKey))
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}
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if config.Server.TLS.Key != "" {
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validateFileExists(config.Server.TLS.Key, validator, errFmtServerTLSKeyFileDoesNotExist)
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}
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if config.Server.TLS.Certificate != "" {
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validateFileExists(config.Server.TLS.Certificate, validator, errFmtServerTLSCertFileDoesNotExist)
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}
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if config.Server.TLS.Key == "" && config.Server.TLS.Certificate == "" &&
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len(config.Server.TLS.ClientCertificates) > 0 {
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validator.Push(fmt.Errorf(errFmtServerTLSClientAuthNoAuth))
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}
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for _, clientCertPath := range config.Server.TLS.ClientCertificates {
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validateFileExists(clientCertPath, validator, errFmtServerTLSClientAuthCertFileDoesNotExist)
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}
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}
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// ValidateServer checks a server configuration is correct.
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func ValidateServer(config *schema.Configuration, validator *schema.StructValidator) {
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if config.Server.Host == "" {
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config.Server.Host = schema.DefaultServerConfiguration.Host
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}
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if config.Server.Port == 0 {
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config.Server.Port = schema.DefaultServerConfiguration.Port
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}
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ValidateServerTLS(config, validator)
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switch {
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case strings.Contains(config.Server.Path, "/"):
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validator.Push(fmt.Errorf(errFmtServerPathNoForwardSlashes))
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case !utils.IsStringAlphaNumeric(config.Server.Path):
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validator.Push(fmt.Errorf(errFmtServerPathAlphaNum))
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case config.Server.Path == "": // Don't do anything if it's blank.
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break
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default:
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config.Server.Path = path.Clean("/" + config.Server.Path)
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}
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if config.Server.ReadBufferSize == 0 {
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config.Server.ReadBufferSize = schema.DefaultServerConfiguration.ReadBufferSize
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} else if config.Server.ReadBufferSize < 0 {
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validator.Push(fmt.Errorf(errFmtServerBufferSize, "read", config.Server.ReadBufferSize))
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}
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if config.Server.WriteBufferSize == 0 {
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config.Server.WriteBufferSize = schema.DefaultServerConfiguration.WriteBufferSize
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} else if config.Server.WriteBufferSize < 0 {
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validator.Push(fmt.Errorf(errFmtServerBufferSize, "write", config.Server.WriteBufferSize))
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}
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}
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