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configuration.go
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/
configuration.go
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package conf
import (
"database/sql/driver"
"encoding/json"
"errors"
"os"
"time"
"github.com/joho/godotenv"
"github.com/kelseyhightower/envconfig"
)
// OAuthProviderConfiguration holds all config related to external account providers.
type OAuthProviderConfiguration struct {
ClientID string `json:"client_id" split_words:"true"`
Secret string `json:"secret"`
RedirectURI string `json:"redirect_uri" split_words:"true"`
URL string `json:"url"`
Enabled bool `json:"enabled"`
}
type EmailProviderConfiguration struct {
Disabled bool `json:"disabled"`
}
type SamlProviderConfiguration struct {
Enabled bool `json:"enabled"`
MetadataURL string `json:"metadata_url" envconfig:"METADATA_URL"`
APIBase string `json:"api_base" envconfig:"API_BASE"`
Name string `json:"name"`
SigningCert string `json:"signing_cert" envconfig:"SIGNING_CERT"`
SigningKey string `json:"signing_key" envconfig:"SIGNING_KEY"`
}
// DBConfiguration holds all the database related configuration.
type DBConfiguration struct {
Driver string `json:"driver" required:"true"`
URL string `json:"url" envconfig:"DATABASE_URL" required:"true"`
Namespace string `json:"namespace"`
MigrationsPath string `json:"migrations_path" split_words:"true" default:"./migrations"`
}
// JWTConfiguration holds all the JWT related configuration.
type JWTConfiguration struct {
Secret string `json:"secret" required:"true"`
Exp int `json:"exp"`
Aud string `json:"aud"`
AdminGroupName string `json:"admin_group_name" split_words:"true"`
DefaultGroupName string `json:"default_group_name" split_words:"true"`
}
// GlobalConfiguration holds all the configuration that applies to all instances.
type GlobalConfiguration struct {
API struct {
Host string
Port int `envconfig:"PORT" default:"8081"`
Endpoint string
RequestIDHeader string `envconfig:"REQUEST_ID_HEADER"`
}
DB DBConfiguration
External ProviderConfiguration
Logging LoggingConfig `envconfig:"LOG"`
OperatorToken string `split_words:"true" required:"true"`
MultiInstanceMode bool
Tracing TracingConfig
SMTP SMTPConfiguration
RateLimitHeader string `split_words:"true"`
}
// EmailContentConfiguration holds the configuration for emails, both subjects and template URLs.
type EmailContentConfiguration struct {
Invite string `json:"invite"`
Confirmation string `json:"confirmation"`
Recovery string `json:"recovery"`
EmailChange string `json:"email_change" split_words:"true"`
}
type ProviderConfiguration struct {
Bitbucket OAuthProviderConfiguration `json:"bitbucket"`
Github OAuthProviderConfiguration `json:"github"`
Gitlab OAuthProviderConfiguration `json:"gitlab"`
Google OAuthProviderConfiguration `json:"google"`
Facebook OAuthProviderConfiguration `json:"facebook"`
Email EmailProviderConfiguration `json:"email"`
Saml SamlProviderConfiguration `json:"saml"`
RedirectURL string `json:"redirect_url"`
}
type SMTPConfiguration struct {
MaxFrequency time.Duration `json:"max_frequency" split_words:"true"`
Host string `json:"host"`
Port int `json:"port,omitempty" default:"587"`
User string `json:"user"`
Pass string `json:"pass,omitempty"`
AdminEmail string `json:"admin_email" split_words:"true"`
}
type MailerConfiguration struct {
Autoconfirm bool `json:"autoconfirm"`
Subjects EmailContentConfiguration `json:"subjects"`
Templates EmailContentConfiguration `json:"templates"`
URLPaths EmailContentConfiguration `json:"url_paths"`
}
// Configuration holds all the per-instance configuration.
type Configuration struct {
SiteURL string `json:"site_url" split_words:"true" required:"true"`
JWT JWTConfiguration `json:"jwt"`
SMTP SMTPConfiguration `json:"smtp"`
Mailer MailerConfiguration `json:"mailer"`
External ProviderConfiguration `json:"external"`
DisableSignup bool `json:"disable_signup" split_words:"true"`
Webhook WebhookConfig `json:"webhook" split_words:"true"`
Cookie struct {
Key string `json:"key"`
Duration int `json:"duration"`
} `json:"cookies"`
}
func loadEnvironment(filename string) error {
var err error
if filename != "" {
err = godotenv.Load(filename)
} else {
err = godotenv.Load()
// handle if .env file does not exist, this is OK
if os.IsNotExist(err) {
return nil
}
}
return err
}
type WebhookConfig struct {
URL string `json:"url"`
Retries int `json:"retries"`
TimeoutSec int `json:"timeout_sec"`
Secret string `json:"secret"`
Events []string `json:"events"`
}
func (w *WebhookConfig) HasEvent(event string) bool {
for _, name := range w.Events {
if event == name {
return true
}
}
return false
}
// LoadGlobal loads configuration from file and environment variables.
func LoadGlobal(filename string) (*GlobalConfiguration, error) {
if err := loadEnvironment(filename); err != nil {
return nil, err
}
config := new(GlobalConfiguration)
if err := envconfig.Process("gotrue", config); err != nil {
return nil, err
}
if _, err := ConfigureLogging(&config.Logging); err != nil {
return nil, err
}
ConfigureTracing(&config.Tracing)
if config.SMTP.MaxFrequency == 0 {
config.SMTP.MaxFrequency = 15 * time.Minute
}
return config, nil
}
// LoadConfig loads per-instance configuration.
func LoadConfig(filename string) (*Configuration, error) {
if err := loadEnvironment(filename); err != nil {
return nil, err
}
config := new(Configuration)
if err := envconfig.Process("gotrue", config); err != nil {
return nil, err
}
config.ApplyDefaults()
return config, nil
}
// ApplyDefaults sets defaults for a Configuration
func (config *Configuration) ApplyDefaults() {
if config.JWT.AdminGroupName == "" {
config.JWT.AdminGroupName = "admin"
}
if config.JWT.Exp == 0 {
config.JWT.Exp = 3600
}
if config.Mailer.URLPaths.Invite == "" {
config.Mailer.URLPaths.Invite = "/"
}
if config.Mailer.URLPaths.Confirmation == "" {
config.Mailer.URLPaths.Confirmation = "/"
}
if config.Mailer.URLPaths.Recovery == "" {
config.Mailer.URLPaths.Recovery = "/"
}
if config.Mailer.URLPaths.EmailChange == "" {
config.Mailer.URLPaths.EmailChange = "/"
}
if config.SMTP.MaxFrequency == 0 {
config.SMTP.MaxFrequency = 15 * time.Minute
}
if config.Cookie.Key == "" {
config.Cookie.Key = "nf_jwt"
}
if config.Cookie.Duration == 0 {
config.Cookie.Duration = 86400
}
}
func (config *Configuration) Value() (driver.Value, error) {
data, err := json.Marshal(config)
if err != nil {
return driver.Value(""), err
}
return driver.Value(string(data)), nil
}
func (config *Configuration) Scan(src interface{}) error {
var source []byte
switch v := src.(type) {
case string:
source = []byte(v)
case []byte:
source = v
default:
return errors.New("Invalid data type for Configuration")
}
if len(source) == 0 {
source = []byte("{}")
}
return json.Unmarshal(source, &config)
}
func (o *OAuthProviderConfiguration) Validate() error {
if !o.Enabled {
return errors.New("Provider is not enabled")
}
if o.ClientID == "" {
return errors.New("Missing Oauth client ID")
}
if o.Secret == "" {
return errors.New("Missing Oauth secret")
}
if o.RedirectURI == "" {
return errors.New("Missing redirect URI")
}
return nil
}