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Add a backward-compatible IRC protocol listener (RFC 1459/2812) that allows standard IRC clients (irssi, weechat, hexchat, etc.) to connect directly via TCP. Key features: - TCP listener on configurable port (IRC_LISTEN_ADDR env var, e.g. :6667) - Full IRC wire protocol parsing and formatting - Connection registration (NICK + USER + optional PASS) - Channel operations: JOIN, PART, MODE, TOPIC, NAMES, LIST, KICK, INVITE - Messaging: PRIVMSG, NOTICE (channel and direct) - Info commands: WHO, WHOIS, LUSERS, MOTD, AWAY - Operator support: OPER (with configured credentials) - PING/PONG keepalive - CAP negotiation (for modern client compatibility) - Full bridge to HTTP/JSON API (shared DB, broker, sessions) - Real-time message relay via broker notifications - Comprehensive test suite (parser + integration tests) The IRC listener is an optional component — disabled when IRC_LISTEN_ADDR is empty (the default). The Broker is now an Fx-provided dependency shared between HTTP handlers and the IRC server. closes #89
133 lines
4.0 KiB
Go
133 lines
4.0 KiB
Go
// Package config provides application configuration via environment and files.
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package config
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import (
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"errors"
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"log/slog"
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"git.eeqj.de/sneak/neoirc/internal/globals"
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"git.eeqj.de/sneak/neoirc/internal/logger"
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"github.com/spf13/viper"
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"go.uber.org/fx"
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_ "github.com/joho/godotenv/autoload" // loads .env file
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)
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const defaultMOTD = ` _ __ ___ ___ (_)_ __ ___
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| '_ \ / _ \/ _ \ | | '__/ __|
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| | | | __/ (_) || | | | (__
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|_| |_|\___|\___/ |_|_| \___|
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Welcome to NeoIRC — IRC semantics over HTTP.
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Type /help for available commands.`
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// Params defines the dependencies for creating a Config.
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type Params struct {
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fx.In
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Globals *globals.Globals
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Logger *logger.Logger
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}
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// Config holds all application configuration values.
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type Config struct {
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DBURL string
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Debug bool
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MaintenanceMode bool
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MetricsPassword string
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MetricsUsername string
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Port int
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SentryDSN string
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MessageMaxAge string
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MaxMessageSize int
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QueueMaxAge string
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MOTD string
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ServerName string
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FederationKey string
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SessionIdleTimeout string
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HashcashBits int
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OperName string
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OperPassword string
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LoginRateLimit float64
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LoginRateBurst int
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IRCListenAddr string
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params *Params
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log *slog.Logger
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}
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// New creates a new Config by reading from files and environment variables.
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func New(
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_ fx.Lifecycle, params Params,
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) (*Config, error) {
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log := params.Logger.Get()
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name := params.Globals.Appname
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viper.SetConfigName(name)
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viper.SetConfigType("yaml")
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viper.AddConfigPath("/etc/" + name)
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viper.AddConfigPath("$HOME/.config/" + name)
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viper.AutomaticEnv()
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viper.SetDefault("DEBUG", "false")
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viper.SetDefault("MAINTENANCE_MODE", "false")
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viper.SetDefault("PORT", "8080")
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viper.SetDefault("DBURL", "file:///var/lib/neoirc/state.db?_journal_mode=WAL")
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viper.SetDefault("SENTRY_DSN", "")
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viper.SetDefault("METRICS_USERNAME", "")
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viper.SetDefault("METRICS_PASSWORD", "")
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viper.SetDefault("MESSAGE_MAX_AGE", "720h")
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viper.SetDefault("MAX_MESSAGE_SIZE", "4096")
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viper.SetDefault("QUEUE_MAX_AGE", "720h")
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viper.SetDefault("MOTD", defaultMOTD)
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viper.SetDefault("SERVER_NAME", "")
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viper.SetDefault("FEDERATION_KEY", "")
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viper.SetDefault("SESSION_IDLE_TIMEOUT", "720h")
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viper.SetDefault("NEOIRC_HASHCASH_BITS", "20")
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viper.SetDefault("NEOIRC_OPER_NAME", "")
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viper.SetDefault("NEOIRC_OPER_PASSWORD", "")
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viper.SetDefault("LOGIN_RATE_LIMIT", "1")
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viper.SetDefault("LOGIN_RATE_BURST", "5")
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viper.SetDefault("IRC_LISTEN_ADDR", "")
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err := viper.ReadInConfig()
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if err != nil {
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var notFound viper.ConfigFileNotFoundError
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if !errors.As(err, ¬Found) {
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log.Error("config file malformed", "error", err)
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panic(err)
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}
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}
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cfg := &Config{
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DBURL: viper.GetString("DBURL"),
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Debug: viper.GetBool("DEBUG"),
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Port: viper.GetInt("PORT"),
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SentryDSN: viper.GetString("SENTRY_DSN"),
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MaintenanceMode: viper.GetBool("MAINTENANCE_MODE"),
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MetricsUsername: viper.GetString("METRICS_USERNAME"),
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MetricsPassword: viper.GetString("METRICS_PASSWORD"),
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MessageMaxAge: viper.GetString("MESSAGE_MAX_AGE"),
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MaxMessageSize: viper.GetInt("MAX_MESSAGE_SIZE"),
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QueueMaxAge: viper.GetString("QUEUE_MAX_AGE"),
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MOTD: viper.GetString("MOTD"),
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ServerName: viper.GetString("SERVER_NAME"),
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FederationKey: viper.GetString("FEDERATION_KEY"),
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SessionIdleTimeout: viper.GetString("SESSION_IDLE_TIMEOUT"),
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HashcashBits: viper.GetInt("NEOIRC_HASHCASH_BITS"),
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OperName: viper.GetString("NEOIRC_OPER_NAME"),
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OperPassword: viper.GetString("NEOIRC_OPER_PASSWORD"),
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LoginRateLimit: viper.GetFloat64("LOGIN_RATE_LIMIT"),
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LoginRateBurst: viper.GetInt("LOGIN_RATE_BURST"),
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IRCListenAddr: viper.GetString("IRC_LISTEN_ADDR"),
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log: log,
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params: ¶ms,
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}
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if cfg.Debug {
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params.Logger.EnableDebugLogging()
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cfg.log = params.Logger.Get()
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}
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return cfg, nil
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}
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