107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
package config
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import (
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"errors"
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"fmt"
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"os"
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"time"
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"projectreshoot/logging"
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"github.com/joho/godotenv"
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"github.com/rs/zerolog"
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)
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type Config struct {
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Host string // Host to listen on
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Port string // Port to listen on
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TrustedHost string // Domain/Hostname to accept as trusted
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SSL bool // Flag for SSL Mode
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GZIP bool // Flag for GZIP compression on requests
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ReadHeaderTimeout time.Duration // Timeout for reading request headers in seconds
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WriteTimeout time.Duration // Timeout for writing requests in seconds
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IdleTimeout time.Duration // Timeout for idle connections in seconds
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DBName string // Filename of the db - hardcoded and doubles as DB version
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DBLockTimeout time.Duration // Timeout for acquiring database lock
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SecretKey string // Secret key for signing tokens
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AccessTokenExpiry int64 // Access token expiry in minutes
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RefreshTokenExpiry int64 // Refresh token expiry in minutes
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TokenFreshTime int64 // Time for tokens to stay fresh in minutes
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LogLevel zerolog.Level // Log level for global logging. Defaults to info
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LogOutput string // "file", "console", or "both". Defaults to console
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LogDir string // Path to create log files
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}
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// Load the application configuration and get a pointer to the Config object
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func GetConfig(args map[string]string) (*Config, error) {
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godotenv.Load(".env")
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var (
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host string
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port string
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logLevel zerolog.Level
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logOutput string
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valid bool
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)
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if args["host"] != "" {
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host = args["host"]
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} else {
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host = GetEnvDefault("HOST", "127.0.0.1")
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}
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if args["port"] != "" {
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port = args["port"]
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} else {
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port = GetEnvDefault("PORT", "3010")
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}
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if args["loglevel"] != "" {
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logLevel = logging.GetLogLevel(args["loglevel"])
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} else {
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logLevel = logging.GetLogLevel(GetEnvDefault("LOG_LEVEL", "info"))
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}
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if args["logoutput"] != "" {
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opts := map[string]string{
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"both": "both",
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"file": "file",
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"console": "console",
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}
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logOutput, valid = opts[args["logoutput"]]
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if !valid {
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logOutput = "console"
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fmt.Println(
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"Log output type was not parsed correctly. Defaulting to console only",
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)
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}
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} else {
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logOutput = GetEnvDefault("LOG_OUTPUT", "console")
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}
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if logOutput != "both" && logOutput != "console" && logOutput != "file" {
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logOutput = "console"
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}
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config := &Config{
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Host: host,
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Port: port,
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TrustedHost: GetEnvDefault("TRUSTED_HOST", "127.0.0.1"),
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SSL: GetEnvBool("SSL_MODE", false),
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GZIP: GetEnvBool("GZIP", false),
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ReadHeaderTimeout: GetEnvDur("READ_HEADER_TIMEOUT", 2),
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WriteTimeout: GetEnvDur("WRITE_TIMEOUT", 10),
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IdleTimeout: GetEnvDur("IDLE_TIMEOUT", 120),
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DBName: "00001",
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DBLockTimeout: GetEnvDur("DB_LOCK_TIMEOUT", 60),
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SecretKey: os.Getenv("SECRET_KEY"),
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AccessTokenExpiry: GetEnvInt64("ACCESS_TOKEN_EXPIRY", 5),
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RefreshTokenExpiry: GetEnvInt64("REFRESH_TOKEN_EXPIRY", 1440), // defaults to 1 day
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TokenFreshTime: GetEnvInt64("TOKEN_FRESH_TIME", 5),
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LogLevel: logLevel,
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LogOutput: logOutput,
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LogDir: GetEnvDefault("LOG_DIR", ""),
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}
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if config.SecretKey == "" && args["dbver"] != "true" {
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return nil, errors.New("Envar not set: SECRET_KEY")
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}
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return config, nil
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}
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