first

backend/internal/mail/queue.go

@@ -0,0 +1,123 @@
+package mail
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/json"
+	"os/exec"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+type QueueEntry struct {
+	ID         string   `json:"id"`
+	Sender     string   `json:"sender"`
+	Recipients []string `json:"recipients"`
+	Size       int      `json:"size"`
+	Time       string   `json:"time"`
+	Reason     string   `json:"reason"`
+}
+
+var queueLineRegex = regexp.MustCompile(`^([A-Fa-f0-9]+)\s+(\d+)\s+(\w+)\s+([A-Za-z]+\s+\d+\s+[\d:]+)\s+([^\s]+)\s+(.+)$`)
+
+func GetQueue() ([]QueueEntry, error) {
+	cmd := exec.Command("postqueue", "-p", "-j")
+	var out bytes.Buffer
+	cmd.Stdout = &out
+
+	if err := cmd.Run(); err != nil {
+		return nil, err
+	}
+
+	var entries []QueueEntry
+	scanner := bufio.NewScanner(&out)
+
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" || !strings.HasPrefix(line, "{") {
+			continue
+		}
+
+		var entry struct {
+			QueueID    string `json:"queueid"`
+			Sender     string `json:"sender"`
+			Recipients []struct {
+				Address string `json:"address"`
+			} `json:"recipients"`
+			Size    int64  `json:"size"`
+			Arrival string `json:"arrival_timestamp"`
+			Delay   string `json:"delay_reason"`
+		}
+
+		if err := json.Unmarshal([]byte(line), &entry); err != nil {
+			continue
+		}
+
+		recipients := make([]string, len(entry.Recipients))
+		for i, r := range entry.Recipients {
+			recipients[i] = r.Address
+		}
+
+		entries = append(entries, QueueEntry{
+			ID:         entry.QueueID,
+			Sender:     entry.Sender,
+			Recipients: recipients,
+			Size:       int(entry.Size),
+			Time:       entry.Arrival,
+			Reason:     entry.Delay,
+		})
+	}
+
+	if entries == nil {
+		entries = []QueueEntry{}
+	}
+
+	return entries, nil
+}
+
+func RequeueMail(id string) error {
+	cmd := exec.Command("postqueue", "-f", "-v")
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &out
+
+	if err := cmd.Run(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func DeleteFromQueue(id string) error {
+	cmd := exec.Command("postsuper", "-d", id)
+	return cmd.Run()
+}
+
+func GetQueueCount() (int, error) {
+	cmd := exec.Command("postqueue", "-p")
+	var out bytes.Buffer
+	cmd.Stdout = &out
+
+	if err := cmd.Run(); err != nil {
+		return 0, err
+	}
+
+	count := 0
+	scanner := bufio.NewScanner(&out)
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.Contains(line, " mail queue") {
+			parts := strings.Fields(line)
+			for i, p := range parts {
+				if n, err := strconv.Atoi(p); err == nil && n > 0 {
+					count = n
+					if i > 0 && parts[i-1] == "in" {
+						return n, nil
+					}
+				}
+			}
+		}
+	}
+
+	return count, nil
+}