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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package tools | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io/fs" | ||
| "net" | ||
| "os" | ||
| "path" | ||
| "regexp" | ||
| "strconv" | ||
| ) | ||
|
|
||
| // UnixSocket returns a path and a FileMode if the address is in | ||
| // the format of unix:<path>:<permission> | ||
| func UnixSocket(address string) (string, fs.FileMode, bool) { | ||
| re := regexp.MustCompile(`^unix:(.*):(\d\d\d\d?)$`) | ||
|
|
||
| var f fs.FileMode | ||
|
|
||
| if !re.MatchString(address) { | ||
| return "", f, false | ||
| } | ||
|
|
||
| m := re.FindAllStringSubmatch(address, 1) | ||
|
|
||
| modeVal, err := strconv.ParseUint(m[0][2], 8, 32) | ||
|
|
||
| if err != nil { | ||
| return "", f, false | ||
| } | ||
|
|
||
| return path.Clean(m[0][1]), fs.FileMode(modeVal), true | ||
| } | ||
|
|
||
| // PrepareSocket returns an error if an active socket file already exists | ||
| func PrepareSocket(address string) error { | ||
| address = path.Clean(address) | ||
| if _, err := os.Stat(address); os.IsNotExist(err) { | ||
| // does not exist, OK | ||
| return nil | ||
| } | ||
|
|
||
| if _, err := net.Dial("unix", address); err == nil { | ||
| // socket is listening | ||
| return fmt.Errorf("socket already in use: %s", address) | ||
| } | ||
|
|
||
| return os.Remove(address) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // Package cmd is a wrapper library to send mail | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net" | ||
| "net/mail" | ||
| "net/smtp" | ||
| "os" | ||
|
|
||
| "github.com/axllent/mailpit/internal/logger" | ||
| ) | ||
|
|
||
| // Send is a wrapper for smtp.SendMail() which also supports sending via unix sockets. | ||
| // Unix sockets must be set as unix:/path/to/socket | ||
| // It does not support authentication. | ||
| func Send(addr string, from string, to []string, msg []byte) error { | ||
| socketPath, isSocket := socketAddress(addr) | ||
|
|
||
| fromAddress, err := mail.ParseAddress(from) | ||
| if err != nil { | ||
| return fmt.Errorf("invalid from address: %s", from) | ||
| } | ||
|
|
||
| if len(to) == 0 { | ||
| return fmt.Errorf("no To addresses specified") | ||
| } | ||
|
|
||
| if !isSocket { | ||
| return smtp.SendMail(addr, nil, fromAddress.Address, to, msg) | ||
| } | ||
|
|
||
| conn, err := net.Dial("unix", socketPath) | ||
| if err != nil { | ||
| return fmt.Errorf("error connecting to %s", addr) | ||
| } | ||
|
|
||
| client, err := smtp.NewClient(conn, "") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Set the sender | ||
| if err := client.Mail(fromAddress.Address); err != nil { | ||
| fmt.Fprintln(os.Stderr, "error sending mail") | ||
| logger.Log().Fatal(err) | ||
| } | ||
|
|
||
| // Set the recipient | ||
| for _, a := range to { | ||
| if err := client.Rcpt(a); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| wc, err := client.Data() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _, err = wc.Write(msg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = wc.Close() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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