mox!

store/tmp.go

@@ -0,0 +1,26 @@
+package store
+
+import (
+	"os"
+
+	"github.com/mjl-/mox/mox-"
+)
+
+// CreateMessageTemp creates a temporary file for a message to be delivered.
+// Caller is responsible for removing the temporary file on error, and for closing the file.
+// Caller should ensure the contents of the file are synced to disk before
+// attempting to deliver the message.
+func CreateMessageTemp(pattern string) (*os.File, error) {
+	dir := mox.DataDirPath("tmp")
+	os.MkdirAll(dir, 0770)
+	f, err := os.CreateTemp(dir, pattern)
+	if err != nil {
+		return nil, err
+	}
+	err = f.Chmod(0660)
+	if err != nil {
+		f.Close()
+		return nil, err
+	}
+	return f, err
+}