utils

A couple email address related utils

app/inbucket/utils.go

@@ -0,0 +1,28 @@
+package inbucket
+
+import (
+  "crypto/sha1"
+  "fmt"
+  "io"
+  "strings"
+)
+
+// Take "user+ext@host.com" and return "user", aka the mailbox we'll store it in
+func ParseMailboxName(emailAddress string) (result string) {
+  result = strings.ToLower(emailAddress)
+  if idx := strings.Index(result, "@"); idx > -1 {
+    result = result[0:idx]
+  } 
+  if idx := strings.Index(result, "+"); idx > -1 {
+    result = result[0:idx]
+  } 
+  return result
+}
+
+// Take a mailbox name and hash it into the directory we'll store it in
+func HashMailboxName(mailbox string) string {
+  h := sha1.New()
+  io.WriteString(h, mailbox)
+  return fmt.Sprintf("%x", h.Sum(nil))
+}
+