From 1f9b50fe4531f2156f2fd823dc6292d18797cb1a Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Sun, 14 Mar 2021 06:17:34 +0100
Subject: get_email_body(): Support emails with attachments

Parse the text email body out of `multipart/alternative` parts.
---
 src/main.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index 199862c..b4d500d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -136,6 +136,20 @@ fn get_email_body(email: &[u8]) -> Result<String, WrapError> {
 
     for part in email.subparts {
         for header in part.get_headers() {
+            if header.get_key() == "Content-Type"
+                && header.get_value().starts_with("multipart/alternative")
+            {
+                for alternative_part in &part.subparts {
+                    for alternative_header in alternative_part.get_headers() {
+                        if alternative_header.get_key() == "Content-Type"
+                            && alternative_header.get_value().starts_with("text/plain")
+                        {
+                            return Ok(alternative_part.get_body()?);
+                        }
+                    }
+                }
+            }
+
             if header.get_key() == "Content-Type"
                 && header.get_value().starts_with("text/plain")
             {
-- 
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