commit c6b0460df41fcfa7333639a3a15bada76034dcd8
author avm99963 <me@avm99963.com> Thu Jan 21 01:18:53 2021 +0100
committer avm99963 <me@avm99963.com> Fri Jan 22 14:30:08 2021 +0100
tree fc2913cb7e1042887c0461e2a037c45c9c090b2a
parent d916cfba4beb69eda6a8acf0a0702acade707108

Fix support for base64 content

- Sometimes the content-type is set as Base64 instead of base64. This
  change adds support for the Base64 value.
- Parts inside a multipart message which have the
  Content-Transfer-Encoding header set are now decoded (before the raw
  text was returned).

README.md

diff --git a/README.md b/README.md
index 382b921..4eec42e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
+**Note:** This is a fork of the original library at
+https://github.com/DusanKasan/parsemail
+
+---
+
 # Parsemail - simple email parsing Go library
 
 [![Build Status](https://circleci.com/gh/DusanKasan/parsemail.svg?style=shield&circle-token=:circle-token)](https://circleci.com/gh/DusanKasan/parsemail) [![Coverage Status](https://coveralls.io/repos/github/DusanKasan/Parsemail/badge.svg?branch=master)](https://coveralls.io/github/DusanKasan/Parsemail?branch=master) [![Go Report Card](https://goreportcard.com/badge/github.com/DusanKasan/parsemail)](https://goreportcard.com/report/github.com/DusanKasan/parsemail)
@@ -55,4 +60,4 @@
     fmt.Println(a.ContentType)
     //and read a.Data
 }
-```
\ No newline at end of file
+```

parsemail.go

diff --git a/parsemail.go b/parsemail.go
index 6a60192..1d21f58 100644
--- a/parsemail.go
+++ b/parsemail.go
@@ -121,14 +121,24 @@
 
 		switch contentType {
 		case contentTypeTextPlain:
-			ppContent, err := ioutil.ReadAll(part)
+			buf, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
+			if err != nil {
+				return textBody, htmlBody, embeddedFiles, err
+			}
+
+			ppContent, err := ioutil.ReadAll(buf)
 			if err != nil {
 				return textBody, htmlBody, embeddedFiles, err
 			}
 
 			textBody += strings.TrimSuffix(string(ppContent[:]), "\n")
 		case contentTypeTextHtml:
-			ppContent, err := ioutil.ReadAll(part)
+			buf, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
+			if err != nil {
+				return textBody, htmlBody, embeddedFiles, err
+			}
+
+			ppContent, err := ioutil.ReadAll(buf)
 			if err != nil {
 				return textBody, htmlBody, embeddedFiles, err
 			}
@@ -178,14 +188,24 @@
 
 		switch contentType {
 		case contentTypeTextPlain:
-			ppContent, err := ioutil.ReadAll(part)
+			buf, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
+			if err != nil {
+				return textBody, htmlBody, embeddedFiles, err
+			}
+
+			ppContent, err := ioutil.ReadAll(buf)
 			if err != nil {
 				return textBody, htmlBody, embeddedFiles, err
 			}
 
 			textBody += strings.TrimSuffix(string(ppContent[:]), "\n")
 		case contentTypeTextHtml:
-			ppContent, err := ioutil.ReadAll(part)
+			buf, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
+			if err != nil {
+				return textBody, htmlBody, embeddedFiles, err
+			}
+
+			ppContent, err := ioutil.ReadAll(buf)
 			if err != nil {
 				return textBody, htmlBody, embeddedFiles, err
 			}
@@ -243,14 +263,24 @@
 				return textBody, htmlBody, attachments, embeddedFiles, err
 			}
 		} else if contentType == contentTypeTextPlain {
-			ppContent, err := ioutil.ReadAll(part)
+			buf, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
+			if err != nil {
+				return textBody, htmlBody, attachments, embeddedFiles, err
+			}
+
+			ppContent, err := ioutil.ReadAll(buf)
 			if err != nil {
 				return textBody, htmlBody, attachments, embeddedFiles, err
 			}
 
 			textBody += strings.TrimSuffix(string(ppContent[:]), "\n")
 		} else if contentType == contentTypeTextHtml {
-			ppContent, err := ioutil.ReadAll(part)
+			buf, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
+			if err != nil {
+				return textBody, htmlBody, attachments, embeddedFiles, err
+			}
+
+			ppContent, err := ioutil.ReadAll(buf)
 			if err != nil {
 				return textBody, htmlBody, attachments, embeddedFiles, err
 			}
@@ -346,7 +376,7 @@
 
 func decodeContent(content io.Reader, encoding string) (io.Reader, error) {
 	switch encoding {
-	case "base64":
+	case "base64", "Base64":
 		decoded := base64.NewDecoder(base64.StdEncoding, content)
 		b, err := ioutil.ReadAll(decoded)
 		if err != nil {
@@ -490,4 +520,4 @@
 
 	Attachments   []Attachment
 	EmbeddedFiles []EmbeddedFile
-}
\ No newline at end of file
+}