Files
projectreshoot/config/config.go

116 lines
3.6 KiB
Go

package config
import (
"errors"
"fmt"
"os"
"projectreshoot/logging"
"github.com/joho/godotenv"
"github.com/rs/zerolog"
)
type Config struct {
Host string // Host to listen on
Port string // Port to listen on
TrustedHost string // Domain/Hostname to accept as trusted
SSL bool // Flag for SSL Mode
ReadHeaderTimeout int // Timeout for reading request headers in seconds
WriteTimeout int // Timeout for writing requests in seconds
IdleTimeout int // Timeout for idle connections in seconds
TursoDBName string // DB Name for Turso DB/Branch
TursoToken string // Bearer token for Turso DB/Branch
SecretKey string // Secret key for signing tokens
AccessTokenExpiry int64 // Access token expiry in minutes
RefreshTokenExpiry int64 // Refresh token expiry in minutes
TokenFreshTime int64 // Time for tokens to stay fresh in minutes
LogLevel zerolog.Level // Log level for global logging. Defaults to info
LogOutput string // "file", "console", or "both". Defaults to console
LogDir string // Path to create log files
}
// Load the application configuration and get a pointer to the Config object
func GetConfig(args map[string]string) (*Config, error) {
err := godotenv.Load(".env")
if err != nil {
fmt.Println(".env file not found.")
}
var (
host string
port string
logLevel zerolog.Level
logOutput string
valid bool
)
if args["host"] != "" {
host = args["host"]
} else {
host = GetEnvDefault("HOST", "127.0.0.1")
}
if args["port"] != "" {
port = args["port"]
} else {
port = GetEnvDefault("PORT", "3333")
}
if args["loglevel"] != "" {
logLevel = logging.GetLogLevel(args["loglevel"])
} else {
logLevel = logging.GetLogLevel(GetEnvDefault("LOG_LEVEL", "info"))
}
if args["logoutput"] != "" {
opts := map[string]string{
"both": "both",
"file": "file",
"console": "console",
}
logOutput, valid = opts[args["logoutput"]]
if !valid {
logOutput = "console"
fmt.Println(
"Log output type was not parsed correctly. Defaulting to console only",
)
}
} else {
logOutput = GetEnvDefault("LOG_OUTPUT", "console")
}
if logOutput != "both" && logOutput != "console" && logOutput != "file" {
logOutput = "console"
}
config := &Config{
Host: host,
Port: port,
TrustedHost: os.Getenv("TRUSTED_HOST"),
SSL: GetEnvBool("SSL_MODE", false),
ReadHeaderTimeout: GetEnvInt("READ_HEADER_TIMEOUT", 2),
WriteTimeout: GetEnvInt("WRITE_TIMEOUT", 10),
IdleTimeout: GetEnvInt("IDLE_TIMEOUT", 120),
TursoDBName: os.Getenv("TURSO_DB_NAME"),
TursoToken: os.Getenv("TURSO_AUTH_TOKEN"),
SecretKey: os.Getenv("SECRET_KEY"),
AccessTokenExpiry: GetEnvInt64("ACCESS_TOKEN_EXPIRY", 5),
RefreshTokenExpiry: GetEnvInt64("REFRESH_TOKEN_EXPIRY", 1440), // defaults to 1 day
TokenFreshTime: GetEnvInt64("TOKEN_FRESH_TIME", 5),
LogLevel: logLevel,
LogOutput: logOutput,
LogDir: GetEnvDefault("LOG_DIR", ""),
}
if config.TrustedHost == "" {
return nil, errors.New("Envar not set: TRUSTED_HOST")
}
if config.TursoDBName == "" {
return nil, errors.New("Envar not set: TURSO_DB_NAME")
}
if config.TursoToken == "" {
return nil, errors.New("Envar not set: TURSO_AUTH_TOKEN")
}
if config.SecretKey == "" {
return nil, errors.New("Envar not set: SECRET_KEY")
}
return config, nil
}