added IMAP, LetsEncrypt, update layout

2026-08-12 21:14:19 +01:00
parent 6e103959b0
commit 70fa1a5f2c
222 changed files with 42947 additions and 14038 deletions
@@ -0,0 +1,203 @@
+package smtpserver
+
+import (
+	"net/smtp"
+	"strings"
+	"testing"
+)
+
+func TestBlockedSenderRejectedAtRcpt(t *testing.T) {
+	backend, mailboxID := newTestBackendWithMailbox(t)
+	if _, err := backend.DB.AddAllowBlockEntry(mailboxID, "block", "test@example.com"); err != nil {
+		t.Fatal(err)
+	}
+	addr := startTestServer(t, backend)
+
+	c, err := smtp.Dial(addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+
+	if err := c.Auth(smtp.PlainAuth("", "test@example.com", "testpass123", "127.0.0.1")); err != nil {
+		t.Fatalf("auth: %v", err)
+	}
+	if err := c.Mail("test@example.com"); err != nil {
+		t.Fatalf("MAIL FROM: %v", err)
+	}
+	err = c.Rcpt("inbox@example.com")
+	if err == nil {
+		t.Fatal("expected RCPT to be rejected for a blocked sender")
+	}
+	if !strings.Contains(err.Error(), "550") {
+		t.Fatalf("expected 550, got: %v", err)
+	}
+}
+
+func TestAllowListBypassesSpamRejection(t *testing.T) {
+	backend, mailboxID := newTestBackendWithMailbox(t)
+	// Force every non-allow-listed message to be rejected as spam.
+	backend.Cfg.Section("Mailstore").Key("spam_reject_score").SetValue("0")
+
+	send := func(t *testing.T) error {
+		t.Helper()
+		c, err := smtp.Dial(startTestServer(t, backend))
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer c.Close()
+		if err := c.Auth(smtp.PlainAuth("", "test@example.com", "testpass123", "127.0.0.1")); err != nil {
+			t.Fatalf("auth: %v", err)
+		}
+		if err := c.Mail("test@example.com"); err != nil {
+			t.Fatalf("MAIL FROM: %v", err)
+		}
+		if err := c.Rcpt("inbox@example.com"); err != nil {
+			t.Fatalf("RCPT: %v", err)
+		}
+		w, err := c.Data()
+		if err != nil {
+			t.Fatal(err)
+		}
+		w.Write([]byte("Subject: hi\r\n\r\nhi"))
+		return w.Close()
+	}
+
+	if err := send(t); err == nil {
+		t.Fatal("expected delivery to fail as spam with a zero reject threshold and no allow-list entry")
+	}
+
+	if _, err := backend.DB.AddAllowBlockEntry(mailboxID, "allow", "test@example.com"); err != nil {
+		t.Fatal(err)
+	}
+	if err := send(t); err != nil {
+		t.Fatalf("expected delivery to succeed once the sender is allow-listed, got: %v", err)
+	}
+}
+
+func TestFilterRuleDeleteDropsMessage(t *testing.T) {
+	backend, mailboxID := newTestBackendWithMailbox(t)
+	if _, err := backend.DB.CreateRule(mailboxID, 0, "subject", "contains", "drop-me", "delete", ""); err != nil {
+		t.Fatal(err)
+	}
+	addr := startTestServer(t, backend)
+
+	c, err := smtp.Dial(addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+	if err := c.Auth(smtp.PlainAuth("", "test@example.com", "testpass123", "127.0.0.1")); err != nil {
+		t.Fatalf("auth: %v", err)
+	}
+	if err := c.Mail("test@example.com"); err != nil {
+		t.Fatalf("MAIL FROM: %v", err)
+	}
+	if err := c.Rcpt("inbox@example.com"); err != nil {
+		t.Fatalf("RCPT: %v", err)
+	}
+	w, err := c.Data()
+	if err != nil {
+		t.Fatal(err)
+	}
+	w.Write([]byte("Subject: drop-me please\r\n\r\nhi"))
+	if err := w.Close(); err != nil {
+		t.Fatalf("expected DATA to still report success even though the rule drops the message, got: %v", err)
+	}
+
+	msgs, err := backend.DB.ListMessagesInFolder(mailboxID, "INBOX")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(msgs) != 0 {
+		t.Fatalf("expected the delete rule to prevent storage, found %d messages", len(msgs))
+	}
+}
+
+func TestFilterRuleMarkReadSetsSeenFlag(t *testing.T) {
+	backend, mailboxID := newTestBackendWithMailbox(t)
+	if _, err := backend.DB.CreateRule(mailboxID, 0, "subject", "contains", "newsletter", "mark_read", ""); err != nil {
+		t.Fatal(err)
+	}
+	addr := startTestServer(t, backend)
+
+	c, err := smtp.Dial(addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+	if err := c.Auth(smtp.PlainAuth("", "test@example.com", "testpass123", "127.0.0.1")); err != nil {
+		t.Fatalf("auth: %v", err)
+	}
+	if err := c.Mail("test@example.com"); err != nil {
+		t.Fatalf("MAIL FROM: %v", err)
+	}
+	if err := c.Rcpt("inbox@example.com"); err != nil {
+		t.Fatalf("RCPT: %v", err)
+	}
+	w, err := c.Data()
+	if err != nil {
+		t.Fatal(err)
+	}
+	w.Write([]byte("Subject: weekly newsletter\r\n\r\nhi"))
+	if err := w.Close(); err != nil {
+		t.Fatalf("DATA: %v", err)
+	}
+
+	msgs, err := backend.DB.ListMessagesInFolder(mailboxID, "INBOX")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(msgs) != 1 {
+		t.Fatalf("expected 1 message, got %d", len(msgs))
+	}
+	if !strings.Contains(msgs[0].Flags, `\Seen`) {
+		t.Fatalf("expected the mark_read rule to set \\Seen, got flags %q", msgs[0].Flags)
+	}
+}
+
+func TestFilterRuleMoveToFolderStoresInNamedFolder(t *testing.T) {
+	backend, mailboxID := newTestBackendWithMailbox(t)
+	if _, err := backend.DB.CreateRule(mailboxID, 0, "subject", "contains", "spam", "move_to_folder", "Spam"); err != nil {
+		t.Fatal(err)
+	}
+	addr := startTestServer(t, backend)
+
+	c, err := smtp.Dial(addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+	if err := c.Auth(smtp.PlainAuth("", "test@example.com", "testpass123", "127.0.0.1")); err != nil {
+		t.Fatalf("auth: %v", err)
+	}
+	if err := c.Mail("test@example.com"); err != nil {
+		t.Fatalf("MAIL FROM: %v", err)
+	}
+	if err := c.Rcpt("inbox@example.com"); err != nil {
+		t.Fatalf("RCPT: %v", err)
+	}
+	w, err := c.Data()
+	if err != nil {
+		t.Fatal(err)
+	}
+	w.Write([]byte("Subject: this looks like spam\r\n\r\nhi"))
+	if err := w.Close(); err != nil {
+		t.Fatalf("DATA: %v", err)
+	}
+
+	inbox, err := backend.DB.ListMessagesInFolder(mailboxID, "INBOX")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(inbox) != 0 {
+		t.Fatalf("expected nothing in INBOX, found %d", len(inbox))
+	}
+	spam, err := backend.DB.ListMessagesInFolder(mailboxID, "Spam")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(spam) != 1 {
+		t.Fatalf("expected 1 message in Spam, got %d", len(spam))
+	}
+}