128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
package config
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import (
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"io"
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"io/ioutil"
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"time"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/logger"
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"github.com/caarlos0/env/v6"
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"gopkg.in/yaml.v2"
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)
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type Config struct {
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Debug bool `yaml:"debug" env:"DEBUG"`
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Log LogConfig `yaml:"log"`
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HTTP HTTPConfig `yaml:"http"`
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OIDC OIDCConfig `yaml:"oidc"`
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Database DatabaseConfig `yaml:"database"`
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}
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// NewFromFile retrieves the configuration from the given file
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func NewFromFile(filepath string) (*Config, error) {
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config := NewDefault()
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data, err := ioutil.ReadFile(filepath)
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if err != nil {
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return nil, errors.Wrapf(err, "could not read file '%s'", filepath)
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}
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if err := yaml.Unmarshal(data, config); err != nil {
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return nil, errors.Wrapf(err, "could not unmarshal configuration")
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}
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return config, nil
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}
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type HTTPConfig struct {
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Address string `yaml:"address" env:"HTTP_ADDRESS"`
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CookieAuthenticationKey string `yaml:"cookieAuthenticationKey" env:"HTTP_COOKIE_AUTHENTICATION_KEY"`
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CookieEncryptionKey string `yaml:"cookieEncryptionKey" env:"HTTP_COOKIE_ENCRYPTION_KEY"`
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CookieMaxAge int `yaml:"cookieMaxAge" env:"HTTP_COOKIE_MAX_AGE"`
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TemplateDir string `yaml:"templateDir" env:"HTTP_TEMPLATE_DIR"`
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PublicDir string `yaml:"publicDir" env:"HTTP_PUBLIC_DIR"`
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FrontendURL string `yaml:"frontendURL" env:"HTTP_FRONTEND_URL"`
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CORS CORSConfig `yaml:"cors"`
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}
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type CORSConfig struct {
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AllowedOrigins []string `yaml:"allowedOrigins" env:"HTTP_CORS_ALLOWED_ORIGINS"`
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AllowCredentials bool `yaml:"allowCredentials" env:"HTTP_CORS_ALLOW_CREDENTIALS"`
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}
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type OIDCConfig struct {
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ClientID string `yaml:"clientId" env:"OIDC_CLIENT_ID"`
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ClientSecret string `yaml:"clientSecret" env:"OIDC_CLIENT_SECRET"`
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IssuerURL string `ymal:"issuerUrl" env:"OIDC_ISSUER_URL"`
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RedirectURL string `yaml:"redirectUrl" env:"OIDC_REDIRECT_URL"`
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PostLogoutRedirectURL string `yaml:"postLogoutRedirectURL" env:"OIDC_POST_LOGOUT_REDIRECT_URL"`
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}
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type LogConfig struct {
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Level logger.Level `yaml:"level" env:"LOG_LEVEL"`
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Format logger.Format `yaml:"format" env:"LOG_FORMAT"`
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}
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type DatabaseConfig struct {
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DSN string `yaml:"dsn" env:"DATABASE_DSN"`
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}
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func NewDumpDefault() *Config {
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config := NewDefault()
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return config
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}
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func NewDefault() *Config {
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return &Config{
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Debug: false,
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Log: LogConfig{
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Level: logger.LevelInfo,
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Format: logger.FormatHuman,
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},
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HTTP: HTTPConfig{
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Address: ":8081",
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CookieAuthenticationKey: "",
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CookieEncryptionKey: "",
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CookieMaxAge: int((time.Hour * 1).Seconds()), // 1 hour
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TemplateDir: "template",
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PublicDir: "public",
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FrontendURL: "http://localhost:8080",
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CORS: CORSConfig{
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AllowedOrigins: []string{"http://localhost:8080"},
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AllowCredentials: true,
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},
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},
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OIDC: OIDCConfig{
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IssuerURL: "http://localhost:4444/",
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RedirectURL: "http://localhost:8081/oauth2/callback",
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PostLogoutRedirectURL: "http://localhost:8081",
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},
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Database: DatabaseConfig{
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DSN: "host=localhost database=daddy",
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},
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}
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}
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func Dump(config *Config, w io.Writer) error {
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data, err := yaml.Marshal(config)
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if err != nil {
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return errors.Wrap(err, "could not dump config")
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}
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if _, err := w.Write(data); err != nil {
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return err
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}
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return nil
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}
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func WithEnvironment(conf *Config) error {
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if err := env.Parse(conf); err != nil {
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return err
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}
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return nil
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}
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