Harry Culpan
07e67d4684
A missing .env file no longer causes a fatal error. Env vars can now come from the container environment (Docker/systemd) or a .env file interchangeably. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package email
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import (
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"fmt"
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"os"
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"github.com/emersion/go-imap/client"
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"github.com/joho/godotenv"
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)
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const (
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IMAP_SERVICE EmailService = 993
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SMTP_SERVICE EmailService = 587
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)
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type EmailService int
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type Config struct {
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Username string
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Password string
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ImapServer string
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SmtpServer string
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}
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func NewConfig(username, password, imapServer, smtpServer string) *Config {
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return &Config{
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Username: username,
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Password: password,
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ImapServer: imapServer,
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SmtpServer: smtpServer,
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}
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}
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func NewConfigFromEnv() (*Config, error) {
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var username string
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var password string
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var fetchServer string
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var sendServer string
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godotenv.Load()
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username = os.Getenv("EMAIL_USERNAME")
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password = os.Getenv("EMAIL_PASSWORD")
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fetchServer = os.Getenv("IMAP_SERVER")
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sendServer = os.Getenv("SMTP_SERVER")
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if len(username) == 0 || len(password) == 0 || len(fetchServer) == 0 || len(sendServer) == 0 {
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return nil, fmt.Errorf("missing configuration variables")
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}
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return NewConfig(username, password, fetchServer, sendServer), nil
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}
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func (c *Config) ConnectToServer(service EmailService) (*client.Client, error) {
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port := int(service)
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var host string
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if service == SMTP_SERVICE {
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host = c.SmtpServer
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} else {
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host = c.ImapServer
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}
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client, err := client.DialTLS(fmt.Sprintf("%s:%d", host, port), nil)
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if err != nil {
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return nil, err
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}
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if err := client.Login(c.Username, c.Password); err != nil {
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return nil, err
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}
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return client, nil
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}
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