thuanleandClaude Opus 4.7
8815c20c13
Full pipeline: IMAP ingress -> OpenClaw dispatch -> callback -> SMTP reply. SQLite stateful storage with idempotency, threading, and retry logic. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
112 lines
2.7 KiB
Go
112 lines
2.7 KiB
Go
package config
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import (
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"fmt"
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"os"
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"strings"
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"github.com/joho/godotenv"
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)
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// Config holds all application configuration loaded from environment variables.
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type Config struct {
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// IMAP settings
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IMAPHost string
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IMAPPort string
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IMAPUser string
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IMAPPass string
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// SMTP settings
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SMTPHost string
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SMTPPort string
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SMTPUser string
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SMTPPass string
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// OpenClaw settings
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OpenClawURL string
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OpenClawAPIKey string
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// Bridge settings
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BridgeCallbackToken string
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SystemEmail string
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WhitelistEmails []string
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// Optional
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IMAPProxyURL string
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// Server
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ListenAddr string
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}
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// Load reads .env (if present) and populates Config from environment variables.
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// Returns an error if any required variable is missing.
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func Load() (*Config, error) {
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// Best-effort load .env — ignore error if file doesn't exist.
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_ = godotenv.Load()
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cfg := &Config{
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IMAPHost: os.Getenv("IMAP_HOST"),
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IMAPPort: os.Getenv("IMAP_PORT"),
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IMAPUser: os.Getenv("IMAP_USER"),
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IMAPPass: os.Getenv("IMAP_PASS"),
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SMTPHost: os.Getenv("SMTP_HOST"),
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SMTPPort: os.Getenv("SMTP_PORT"),
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SMTPUser: os.Getenv("SMTP_USER"),
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SMTPPass: os.Getenv("SMTP_PASS"),
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OpenClawURL: os.Getenv("OPENCLAW_URL"),
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OpenClawAPIKey: os.Getenv("OPENCLAW_API_KEY"),
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BridgeCallbackToken: os.Getenv("BRIDGE_CALLBACK_TOKEN"),
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SystemEmail: os.Getenv("SYSTEM_EMAIL"),
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IMAPProxyURL: os.Getenv("IMAP_PROXY_URL"),
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ListenAddr: os.Getenv("LISTEN_ADDR"),
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}
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if raw := os.Getenv("WHITELIST_EMAILS"); raw != "" {
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for _, email := range strings.Split(raw, ",") {
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if trimmed := strings.TrimSpace(email); trimmed != "" {
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cfg.WhitelistEmails = append(cfg.WhitelistEmails, trimmed)
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}
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}
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}
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if cfg.ListenAddr == "" {
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cfg.ListenAddr = ":8080"
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}
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if err := cfg.validate(); err != nil {
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return nil, err
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}
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return cfg, nil
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}
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// validate checks that all required configuration values are present.
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func (c *Config) validate() error {
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required := map[string]string{
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"IMAP_HOST": c.IMAPHost,
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"IMAP_PORT": c.IMAPPort,
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"IMAP_USER": c.IMAPUser,
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"IMAP_PASS": c.IMAPPass,
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"SMTP_HOST": c.SMTPHost,
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"SMTP_PORT": c.SMTPPort,
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"SMTP_USER": c.SMTPUser,
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"SMTP_PASS": c.SMTPPass,
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"OPENCLAW_URL": c.OpenClawURL,
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"BRIDGE_CALLBACK_TOKEN": c.BridgeCallbackToken,
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"SYSTEM_EMAIL": c.SystemEmail,
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}
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var missing []string
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for name, val := range required {
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if val == "" {
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missing = append(missing, name)
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}
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}
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if len(missing) > 0 {
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return fmt.Errorf("missing required config: %s", strings.Join(missing, ", "))
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}
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return nil
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}
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