mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 12:46:46 +00:00
501 lines
15 KiB
Go
501 lines
15 KiB
Go
// Copyright (c) 2020 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ProtonMail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package message
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import (
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"image/png"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"golang.org/x/text/encoding/charmap"
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)
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func TestParseTextPlain(t *testing.T) {
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f := getFileReader("text_plain.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainUTF8(t *testing.T) {
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f := getFileReader("text_plain_utf8.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainLatin1(t *testing.T) {
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f := getFileReader("text_plain_latin1.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "ééééééé", m.Body)
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assert.Equal(t, "ééééééé", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainUTF8Subject(t *testing.T) {
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f := getFileReader("text_plain_utf8_subject.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, `汉字汉字汉`, m.Subject)
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainLatin2Subject(t *testing.T) {
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f := getFileReader("text_plain_latin2_subject.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, `If you can read this you understand the example.`, m.Subject)
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainUnknownCharsetIsActuallyLatin1(t *testing.T) {
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f := getFileReader("text_plain_unknown_latin1.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "ééééééé", m.Body)
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assert.Equal(t, "ééééééé", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainUnknownCharsetIsActuallyLatin2(t *testing.T) {
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f := getFileReader("text_plain_unknown_latin2.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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// The file contains latin2-encoded text, but we will assume it is latin1
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// and decode it as such. This will lead to corruption.
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latin2, _ := charmap.ISO8859_2.NewEncoder().Bytes([]byte("řšřšřš"))
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expect, _ := charmap.ISO8859_1.NewDecoder().Bytes(latin2)
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assert.NotEqual(t, []byte("řšřšřš"), expect)
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assert.Equal(t, string(expect), m.Body)
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assert.Equal(t, string(expect), plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainAlready7Bit(t *testing.T) {
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f := getFileReader("text_plain_7bit.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainWithOctetAttachment(t *testing.T) {
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f := getFileReader("text_plain_octet_attachment.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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require.Len(t, attReaders, 1)
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assert.Equal(t, readerToString(attReaders[0]), "if you are reading this, hi!")
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}
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func TestParseTextPlainWithOctetAttachmentGoodFilename(t *testing.T) {
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f := getFileReader("text_plain_octet_attachment_good_2231_filename.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 1)
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assert.Equal(t, readerToString(attReaders[0]), "if you are reading this, hi!")
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assert.Equal(t, "😁😂.txt", m.Attachments[0].Name)
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}
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func TestParseTextPlainWithOctetAttachmentBadFilename(t *testing.T) {
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f := getFileReader("text_plain_octet_attachment_bad_2231_filename.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 1)
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assert.Equal(t, readerToString(attReaders[0]), "if you are reading this, hi!")
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assert.Equal(t, "attachment.bin", m.Attachments[0].Name)
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}
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func TestParseTextPlainWithPlainAttachment(t *testing.T) {
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f := getFileReader("text_plain_plain_attachment.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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require.Len(t, attReaders, 1)
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assert.Equal(t, readerToString(attReaders[0]), "attachment")
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}
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func TestParseTextPlainEmptyAddresses(t *testing.T) {
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f := getFileReader("text_plain_empty_addresses.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextPlainWithImageInline(t *testing.T) {
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f := getFileReader("text_plain_image_inline.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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// The inline image is an 8x8 mic-dropping gopher.
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require.Len(t, attReaders, 1)
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img, err := png.DecodeConfig(attReaders[0])
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require.NoError(t, err)
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assert.Equal(t, 8, img.Width)
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assert.Equal(t, 8, img.Height)
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}
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func TestParseTextPlainWithDuplicateCharset(t *testing.T) {
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f := getFileReader("text_plain_duplicate_charset.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseWithMultipleTextParts(t *testing.T) {
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f := getFileReader("multiple_text_parts.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body\nsome other part of the message", m.Body)
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assert.Equal(t, "body\nsome other part of the message", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextHTML(t *testing.T) {
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f := getFileReader("text_html.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "<html><head></head><body>This is body of <b>HTML mail</b> without attachment</body></html>", m.Body)
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assert.Equal(t, "This is body of *HTML mail* without attachment", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextHTMLAlready7Bit(t *testing.T) {
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f := getFileReader("text_html_7bit.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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assert.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "<html><head></head><body>This is body of <b>HTML mail</b> without attachment</body></html>", m.Body)
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assert.Equal(t, "This is body of *HTML mail* without attachment", plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseTextHTMLWithOctetAttachment(t *testing.T) {
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f := getFileReader("text_html_octet_attachment.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "<html><head></head><body>This is body of <b>HTML mail</b> with attachment</body></html>", m.Body)
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assert.Equal(t, "This is body of *HTML mail* with attachment", plainBody)
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require.Len(t, attReaders, 1)
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assert.Equal(t, readerToString(attReaders[0]), "if you are reading this, hi!")
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}
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func TestParseTextHTMLWithPlainAttachment(t *testing.T) {
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f := getFileReader("text_html_plain_attachment.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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// BAD: plainBody should not be empty!
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assert.Equal(t, "<html><head></head><body>This is body of <b>HTML mail</b> with attachment</body></html>", m.Body)
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assert.Equal(t, "This is body of *HTML mail* with attachment", plainBody)
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require.Len(t, attReaders, 1)
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assert.Equal(t, readerToString(attReaders[0]), "attachment")
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}
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func TestParseTextHTMLWithImageInline(t *testing.T) {
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f := getFileReader("text_html_image_inline.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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assert.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "<html><head></head><body>This is body of <b>HTML mail</b> with attachment</body></html>", m.Body)
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assert.Equal(t, "This is body of *HTML mail* with attachment", plainBody)
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// The inline image is an 8x8 mic-dropping gopher.
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require.Len(t, attReaders, 1)
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img, err := png.DecodeConfig(attReaders[0])
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require.NoError(t, err)
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assert.Equal(t, 8, img.Width)
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assert.Equal(t, 8, img.Height)
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}
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func TestParseWithAttachedPublicKey(t *testing.T) {
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f := getFileReader("text_plain.eml")
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m, _, plainBody, attReaders, err := Parse(f, "publickey", "publickeyname")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, "body", m.Body)
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assert.Equal(t, "body", plainBody)
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// The pubkey should not be collected as an attachment.
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// We upload the pubkey when creating the draft.
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require.Len(t, attReaders, 0)
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}
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func TestParseTextHTMLWithEmbeddedForeignEncoding(t *testing.T) {
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f := getFileReader("text_html_embedded_foreign_encoding.eml")
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m, _, plainBody, attReaders, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"Sender" <sender@pm.me>`, m.Sender.String())
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assert.Equal(t, `"Receiver" <receiver@pm.me>`, m.ToList[0].String())
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assert.Equal(t, `<html><head><meta charset="UTF-8"/></head><body>latin2 řšřš</body></html>`, m.Body)
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assert.Equal(t, `latin2 řšřš`, plainBody)
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assert.Len(t, attReaders, 0)
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}
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func TestParseMultipartAlternative(t *testing.T) {
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f := getFileReader("multipart_alternative.eml")
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m, _, plainBody, _, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"schizofrenic" <schizofrenic@pm.me>`, m.Sender.String())
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assert.Equal(t, `<pmbridgeietest@outlook.com>`, m.ToList[0].String())
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assert.Equal(t, `<html><head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
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</head>
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<body>
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<b>aoeuaoeu</b>
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</body></html>`, m.Body)
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assert.Equal(t, "*aoeuaoeu*\n\n", plainBody)
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}
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func TestParseMultipartAlternativeNested(t *testing.T) {
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f := getFileReader("multipart_alternative_nested.eml")
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m, _, plainBody, _, err := Parse(f, "", "")
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require.NoError(t, err)
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assert.Equal(t, `"schizofrenic" <schizofrenic@pm.me>`, m.Sender.String())
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assert.Equal(t, `<pmbridgeietest@outlook.com>`, m.ToList[0].String())
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assert.Equal(t, `<html><head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
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</head>
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<body>
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<b>multipart 2.2</b>
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|
</body></html>`, m.Body)
|
|
|
|
assert.Equal(t, "*multipart 2.1*\n\n", plainBody)
|
|
}
|
|
|
|
func TestParseMultipartAlternativeLatin1(t *testing.T) {
|
|
f := getFileReader("multipart_alternative_latin1.eml")
|
|
|
|
m, _, plainBody, _, err := Parse(f, "", "")
|
|
require.NoError(t, err)
|
|
|
|
assert.Equal(t, `"schizofrenic" <schizofrenic@pm.me>`, m.Sender.String())
|
|
assert.Equal(t, `<pmbridgeietest@outlook.com>`, m.ToList[0].String())
|
|
|
|
assert.Equal(t, `<html><head>
|
|
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
|
|
</head>
|
|
<body>
|
|
<b>aoeuaoeu</b>
|
|
|
|
|
|
</body></html>`, m.Body)
|
|
|
|
assert.Equal(t, "*aoeuaoeu*\n\n", plainBody)
|
|
}
|
|
|
|
func TestParseWithTrailingEndOfMailIndicator(t *testing.T) {
|
|
f := getFileReader("text_html_trailing_end_of_mail.eml")
|
|
|
|
m, _, plainBody, _, err := Parse(f, "", "")
|
|
require.NoError(t, err)
|
|
|
|
assert.Equal(t, `"Sender" <sender@sender.com>`, m.Sender.String())
|
|
assert.Equal(t, `"Receiver" <receiver@receiver.com>`, m.ToList[0].String())
|
|
|
|
assert.Equal(t, "<!DOCTYPE html><html><head></head><body>boo!</body></html>", m.Body)
|
|
assert.Equal(t, "boo!", plainBody)
|
|
}
|
|
|
|
func getFileReader(filename string) io.Reader {
|
|
f, err := os.Open(filepath.Join("testdata", filename))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
return f
|
|
}
|
|
|
|
func readerToString(r io.Reader) string {
|
|
b, err := ioutil.ReadAll(r)
|
|
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
return string(b)
|
|
}
|