Files
neoirc/internal/config/config.go
clawbot a515e1505a
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change module path from git.eeqj.de/sneak/neoirc to sneak.berlin/go/neoirc
Update go.mod module directive, all Go import paths, and JSON schema
$id URIs to use the new sneak.berlin/go/neoirc module path.
2026-04-01 03:55:45 -07:00

133 lines
4.0 KiB
Go

// Package config provides application configuration via environment and files.
package config
import (
"errors"
"log/slog"
"github.com/spf13/viper"
"go.uber.org/fx"
"sneak.berlin/go/neoirc/internal/globals"
"sneak.berlin/go/neoirc/internal/logger"
_ "github.com/joho/godotenv/autoload" // loads .env file
)
const defaultMOTD = ` _ __ ___ ___ (_)_ __ ___
| '_ \ / _ \/ _ \ | | '__/ __|
| | | | __/ (_) || | | | (__
|_| |_|\___|\___/ |_|_| \___|
Welcome to NeoIRC — IRC semantics over HTTP.
Type /help for available commands.`
// Params defines the dependencies for creating a Config.
type Params struct {
fx.In
Globals *globals.Globals
Logger *logger.Logger
}
// Config holds all application configuration values.
type Config struct {
DBURL string
Debug bool
MaintenanceMode bool
MetricsPassword string
MetricsUsername string
Port int
SentryDSN string
MessageMaxAge string
MaxMessageSize int
QueueMaxAge string
MOTD string
ServerName string
FederationKey string
SessionIdleTimeout string
HashcashBits int
OperName string
OperPassword string
LoginRateLimit float64
LoginRateBurst int
IRCListenAddr string
params *Params
log *slog.Logger
}
// New creates a new Config by reading from files and environment variables.
func New(
_ fx.Lifecycle, params Params,
) (*Config, error) {
log := params.Logger.Get()
name := params.Globals.Appname
viper.SetConfigName(name)
viper.SetConfigType("yaml")
viper.AddConfigPath("/etc/" + name)
viper.AddConfigPath("$HOME/.config/" + name)
viper.AutomaticEnv()
viper.SetDefault("DEBUG", "false")
viper.SetDefault("MAINTENANCE_MODE", "false")
viper.SetDefault("PORT", "8080")
viper.SetDefault("DBURL", "file:///var/lib/neoirc/state.db?_journal_mode=WAL")
viper.SetDefault("SENTRY_DSN", "")
viper.SetDefault("METRICS_USERNAME", "")
viper.SetDefault("METRICS_PASSWORD", "")
viper.SetDefault("MESSAGE_MAX_AGE", "720h")
viper.SetDefault("MAX_MESSAGE_SIZE", "4096")
viper.SetDefault("QUEUE_MAX_AGE", "720h")
viper.SetDefault("MOTD", defaultMOTD)
viper.SetDefault("SERVER_NAME", "")
viper.SetDefault("FEDERATION_KEY", "")
viper.SetDefault("SESSION_IDLE_TIMEOUT", "720h")
viper.SetDefault("NEOIRC_HASHCASH_BITS", "20")
viper.SetDefault("NEOIRC_OPER_NAME", "")
viper.SetDefault("NEOIRC_OPER_PASSWORD", "")
viper.SetDefault("LOGIN_RATE_LIMIT", "1")
viper.SetDefault("LOGIN_RATE_BURST", "5")
viper.SetDefault("IRC_LISTEN_ADDR", ":6667")
err := viper.ReadInConfig()
if err != nil {
var notFound viper.ConfigFileNotFoundError
if !errors.As(err, &notFound) {
log.Error("config file malformed", "error", err)
panic(err)
}
}
cfg := &Config{
DBURL: viper.GetString("DBURL"),
Debug: viper.GetBool("DEBUG"),
Port: viper.GetInt("PORT"),
SentryDSN: viper.GetString("SENTRY_DSN"),
MaintenanceMode: viper.GetBool("MAINTENANCE_MODE"),
MetricsUsername: viper.GetString("METRICS_USERNAME"),
MetricsPassword: viper.GetString("METRICS_PASSWORD"),
MessageMaxAge: viper.GetString("MESSAGE_MAX_AGE"),
MaxMessageSize: viper.GetInt("MAX_MESSAGE_SIZE"),
QueueMaxAge: viper.GetString("QUEUE_MAX_AGE"),
MOTD: viper.GetString("MOTD"),
ServerName: viper.GetString("SERVER_NAME"),
FederationKey: viper.GetString("FEDERATION_KEY"),
SessionIdleTimeout: viper.GetString("SESSION_IDLE_TIMEOUT"),
HashcashBits: viper.GetInt("NEOIRC_HASHCASH_BITS"),
OperName: viper.GetString("NEOIRC_OPER_NAME"),
OperPassword: viper.GetString("NEOIRC_OPER_PASSWORD"),
LoginRateLimit: viper.GetFloat64("LOGIN_RATE_LIMIT"),
LoginRateBurst: viper.GetInt("LOGIN_RATE_BURST"),
IRCListenAddr: viper.GetString("IRC_LISTEN_ADDR"),
log: log,
params: &params,
}
if cfg.Debug {
params.Logger.EnableDebugLogging()
cfg.log = params.Logger.Get()
}
return cfg, nil
}