1 files changed, 44 insertions, 0 deletions
diff --git a/mail.go b/mail.go
new file mode 100644
index 0000000..faf5d9a
--- /dev/null
+++ b/mail.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"fmt"
+	"net/smtp"
+	"strings"
+)
+
+var (
+	g_SmtpAuth smtp.Auth
+)
+
+func InitMail() bool {
+	// TODO(fusion): I'm not entirely sure we can safely reuse smtp.Auth across
+	// many threads. We might need to build a new auth struct everytime we need
+	// to send an e-mail.
+	g_SmtpAuth = smtp.PlainAuth("", g_SmtpUser, g_SmtpPassword, g_SmtpHost)
+	return true
+}
+
+func ExitMail() {
+	// no-op
+}
+
+func BuildMailMessage(From, To, Subject, Body string) string {
+	Message := strings.Builder{}
+	Message.WriteString("MIME-Version: 1.0\r\n")
+	Message.WriteString("Content-Type: text/html; charset=utf-8\r\n")
+	if From != "" {
+		fmt.Fprintf(&Message, "From: %v\r\n", From)
+	}
+	if To != "" {
+		fmt.Fprintf(&Message, "To: %v\r\n", To)
+	}
+	fmt.Fprintf(&Message, "Subject: %v\r\n", Subject)
+	fmt.Fprintf(&Message, "\r\n%v\r\n", Body)
+	return Message.String()
+}
+
+func SendMail(To, Subject, Body string) error {
+	Message := BuildMailMessage(g_SmtpSender, To, Subject, Body)
+	return smtp.SendMail(JoinHostPort(g_SmtpHost, g_SmtpPort),
+		g_SmtpAuth, g_SmtpSender, []string{To}, []byte(Message))
+}