Files
proton-bridge/pkg/mime/parser_test.go

229 lines
6.6 KiB
Go

// Copyright (c) 2020 Proton Technologies AG
//
// This file is part of ProtonMail Bridge.
//
// ProtonMail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ProtonMail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
package pmmime
import (
"bytes"
"fmt"
"io/ioutil"
"net/mail"
"net/textproto"
"strings"
"testing"
)
func minimalParse(mimeBody string) (readBody string, plainContents string, err error) {
mm, err := mail.ReadMessage(strings.NewReader(mimeBody))
if err != nil {
return
}
h := textproto.MIMEHeader(mm.Header)
mmBodyData, err := ioutil.ReadAll(mm.Body)
if err != nil {
return
}
printAccepter := NewMIMEPrinter()
plainTextCollector := NewPlainTextCollector(printAccepter)
visitor := NewMimeVisitor(plainTextCollector)
err = VisitAll(bytes.NewReader(mmBodyData), h, visitor)
readBody = printAccepter.String()
plainContents = plainTextCollector.GetPlainText()
return readBody, plainContents, err
}
func androidParse(mimeBody string) (body, headers string, atts, attHeaders []string, err error) {
mm, err := mail.ReadMessage(strings.NewReader(mimeBody))
if err != nil {
return
}
h := textproto.MIMEHeader(mm.Header)
mmBodyData, err := ioutil.ReadAll(mm.Body)
printAccepter := NewMIMEPrinter()
bodyCollector := NewBodyCollector(printAccepter)
attachmentsCollector := NewAttachmentsCollector(bodyCollector)
mimeVisitor := NewMimeVisitor(attachmentsCollector)
err = VisitAll(bytes.NewReader(mmBodyData), h, mimeVisitor)
body, _ = bodyCollector.GetBody()
headers = bodyCollector.GetHeaders()
atts = attachmentsCollector.GetAttachments()
attHeaders = attachmentsCollector.GetAttHeaders()
return
}
func TestParseBoundaryIsEmpty(t *testing.T) {
testMessage :=
`Date: Sun, 10 Mar 2019 11:10:06 -0600
In-Reply-To: <abcbase64@protonmail.com>
X-Original-To: enterprise@protonmail.com
References: <abc64@unicoderns.com> <abc63@protonmail.com> <abc64@protonmail.com> <abc65@mail.gmail.com> <abc66@protonmail.com>
To: "ProtonMail" <enterprise@protonmail.com>
X-Pm-Origin: external
Delivered-To: enterprise@protonmail.com
Content-Type: multipart/mixed; boundary=ac7e36bd45425e70b4dab2128f34172e4dc3f9ff2eeb47e909267d4252794ec7
Reply-To: XYZ <xyz@xyz.com>
Mime-Version: 1.0
Subject: Encrypted Message
Return-Path: <xyz@xyz.com>
From: XYZ <xyz@xyz.com>
X-Pm-Conversationid-Id: gNX9bDPLmBgFZ-C3Tdlb628cas1Xl0m4dql5nsWzQAEI-WQv0ytfwPR4-PWELEK0_87XuFOgetc239Y0pjPYHQ==
X-Pm-Date: Sun, 10 Mar 2019 18:10:06 +0100
Message-Id: <68c11e46-e611-d9e4-edc1-5ec96bac77cc@unicoderns.com>
X-Pm-Transfer-Encryption: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)
X-Pm-External-Id: <68c11e46-e611-d9e4-edc1-5ec96bac77cc@unicoderns.com>
X-Pm-Internal-Id: _iJ8ETxcqXTSK8IzCn0qFpMUTwvRf-xJUtldRA1f6yHdmXjXzKleG3F_NLjZL3FvIWVHoItTxOuuVXcukwwW3g==
Openpgp: preference=signencrypt
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0
X-Pm-Content-Encryption: end-to-end
--ac7e36bd45425e70b4dab2128f34172e4dc3f9ff2eeb47e909267d4252794ec7
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
Content-Type: multipart/mixed; charset=utf-8
Content-Type: multipart/mixed; boundary="xnAIW3Turb9YQZ2rXc2ZGZH45WepHIZyy";
protected-headers="v1"
From: XYZ <xyz@xyz.com>
To: "ProtonMail" <enterprise@protonmail.com>
Subject: Encrypted Message
Message-ID: <68c11e46-e611-d9e4-edc1-5ec96bac77cc@unicoderns.com>
References: <abc64@unicoderns.com> <abc63@protonmail.com> <abc64@protonmail.com> <abc65@mail.gmail.com> <abc66@protonmail.com>
In-Reply-To: <abcbase64@protonmail.com>
--xnAIW3Turb9YQZ2rXc2ZGZH45WepHIZyy
Content-Type: text/rfc822-headers; protected-headers="v1"
Content-Disposition: inline
From: XYZ <xyz@xyz.com>
To: ProtonMail <enterprise@protonmail.com>
Subject: Re: Encrypted Message
--xnAIW3Turb9YQZ2rXc2ZGZH45WepHIZyy
Content-Type: multipart/alternative;
boundary="------------F9E5AA6D49692F51484075E3"
Content-Language: en-US
This is a multi-part message in MIME format.
--------------F9E5AA6D49692F51484075E3
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Hi ...
--------------F9E5AA6D49692F51484075E3
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable
<html>
<head>
</head>
<body text=3D"#000000" bgcolor=3D"#FFFFFF">
<p>Hi .. </p>
</body>
</html>
--------------F9E5AA6D49692F51484075E3--
--xnAIW3Turb9YQZ2rXc2ZGZH45WepHIZyy--
--ac7e36bd45425e70b4dab2128f34172e4dc3f9ff2eeb47e909267d4252794ec7--
`
body, content, err := minimalParse(testMessage)
if err == nil {
t.Fatal("should have error but is", err)
}
t.Log("==BODY==")
t.Log(body)
t.Log("==CONTENT==")
t.Log(content)
}
func TestParse(t *testing.T) {
testMessage :=
`From: John Doe <example@example.com>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="XXXXboundary text"
This is a multipart message in MIME format.
--XXXXboundary text
Content-Type: text/plain; charset=utf-8
this is the body text
--XXXXboundary text
Content-Type: text/html; charset=utf-8
<html><body>this is the html body text</body></html>
--XXXXboundary text
Content-Type: text/plain; charset=utf-8
Content-Disposition: attachment;
filename="test.txt"
this is the attachment text
--XXXXboundary text--
`
body, heads, att, attHeads, err := androidParse(testMessage)
if err != nil {
t.Error("parse error", err)
}
fmt.Println("==BODY:")
fmt.Println(body)
fmt.Println("==BODY HEADERS:")
fmt.Println(heads)
fmt.Println("==ATTACHMENTS:")
fmt.Println(att)
fmt.Println("==ATTACHMENT HEADERS:")
fmt.Println(attHeads)
}
func TestParseAddressComment(t *testing.T) {
parsingExamples := map[string]string{
"": "",
"(Only Comment) here@pm.me": "\"Only Comment\" <here@pm.me>",
"Normal Name (With Comment) <here@pm.me>": "\"Normal Name\" <here@pm.me>",
"<Muhammed.(I am the greatest)Ali@(the)Vegas.WBA>": "\"I am the greatest the\" <Muhammed.Ali@Vegas.WBA>",
}
for raw, expected := range parsingExamples {
parsed := parseAddressComment(raw)
if expected != parsed {
t.Errorf("When parsing %q expected %q but have %q", raw, expected, parsed)
}
}
}