102 lines
3.3 KiB
Go
102 lines
3.3 KiB
Go
package configuration
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"github.com/spf13/viper"
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"gopkg.in/yaml.v2"
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"github.com/authelia/authelia/internal/configuration/schema"
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"github.com/authelia/authelia/internal/configuration/validator"
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)
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// Read a YAML configuration and create a Configuration object out of it.
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//go:generate broccoli -src ../../config.template.yml -var=cfg -o configuration
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func Read(configPath string) (*schema.Configuration, []error) {
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if configPath == "" {
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return nil, []error{errors.New("No config file path provided")}
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}
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_, err := os.Stat(configPath)
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if err != nil {
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errs := []error{
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fmt.Errorf("Unable to find config file: %v", configPath),
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fmt.Errorf("Generating config file: %v", configPath),
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}
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err = generateConfigFromTemplate(configPath)
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if err != nil {
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errs = append(errs, err)
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} else {
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errs = append(errs, fmt.Errorf("Generated configuration at: %v", configPath))
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}
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return nil, errs
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}
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file, err := ioutil.ReadFile(configPath)
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if err != nil {
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return nil, []error{fmt.Errorf("Failed to %v", err)}
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}
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var data interface{}
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err = yaml.Unmarshal(file, &data)
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if err != nil {
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return nil, []error{fmt.Errorf("Error malformed %v", err)}
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}
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viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
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viper.BindEnv("authelia.jwt_secret.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.BindEnv("authelia.duo_api.secret_key.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.BindEnv("authelia.session.secret.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.BindEnv("authelia.authentication_backend.ldap.password.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.BindEnv("authelia.notifier.smtp.password.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.BindEnv("authelia.session.redis.password.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.BindEnv("authelia.storage.mysql.password.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.BindEnv("authelia.storage.postgres.password.file") //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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viper.SetConfigFile(configPath)
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_ = viper.ReadInConfig()
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var configuration schema.Configuration
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viper.Unmarshal(&configuration) //nolint:errcheck // TODO: Legacy code, consider refactoring time permitting.
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val := schema.NewStructValidator()
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validator.ValidateSecrets(&configuration, val, viper.GetViper())
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validator.ValidateConfiguration(&configuration, val)
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validator.ValidateKeys(val, viper.AllKeys())
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if val.HasErrors() {
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return nil, val.Errors()
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}
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return &configuration, nil
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}
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func generateConfigFromTemplate(configPath string) error {
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f, err := cfg.Open("config.template.yml")
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if err != nil {
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return fmt.Errorf("Unable to open config.template.yml: %v", err)
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}
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b, err := ioutil.ReadAll(f)
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if err != nil {
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return fmt.Errorf("Unable to read config.template.yml: %v", err)
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}
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err = ioutil.WriteFile(configPath, b, 0600)
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if err != nil {
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return fmt.Errorf("Unable to generate %v: %v", configPath, err)
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}
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return nil
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}
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