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613 lines
18 KiB
613 lines
18 KiB
// Copyright (c) 2022 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/ljanyst/peroxide/pkg/message/parser" |
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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 TestParseLongHeaderLine(t *testing.T) { |
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f := getFileReader("long_header_line.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 TestParseLongHeaderLineMultiline(t *testing.T) { |
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f := getFileReader("long_header_line_multiline.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 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 TestParseTextPlainWithRFC822Attachment(t *testing.T) { |
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f := getFileReader("text_plain_rfc822_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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assert.Len(t, attReaders, 1) |
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assert.Equal(t, "message.eml", 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 TestParseTextPlainWithOctetAttachmentNameInContentType(t *testing.T) { |
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f := getFileReader("text_plain_octet_attachment_name_in_contenttype.eml") |
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m, _, _, _, err := Parse(f) //nolint[dogsled] |
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require.NoError(t, err) |
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assert.Equal(t, "attachment-contenttype.txt", m.Attachments[0].Name) |
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} |
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func TestParseTextPlainWithOctetAttachmentNameConflict(t *testing.T) { |
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f := getFileReader("text_plain_octet_attachment_name_conflict.eml") |
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m, _, _, _, err := Parse(f) //nolint[dogsled] |
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require.NoError(t, err) |
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assert.Equal(t, "attachment-disposition.txt", 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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p, err := parser.New(f) |
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require.NoError(t, err) |
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m, plainBody, attReaders, err := ParserWithParser(p) |
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AttachPublicKey(p, "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()) |
|
|
|
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 TestParseMultipartAlternativeNested(t *testing.T) { |
|
f := getFileReader("multipart_alternative_nested.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>multipart 2.2</b> |
|
|
|
|
|
</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 TestParseEncodedContentType(t *testing.T) { |
|
f := getFileReader("rfc2047-content-transfer-encoding.eml") |
|
|
|
m, _, plainBody, _, err := Parse(f) |
|
require.NoError(t, err) |
|
|
|
assert.Equal(t, `"Sender" <sender@sender.com>`, m.Sender.String()) |
|
assert.Equal(t, `<user@somewhere.org>`, m.ToList[0].String()) |
|
|
|
assert.Equal(t, "bodybodybody\n", plainBody) |
|
} |
|
|
|
func TestParseNonEncodedContentType(t *testing.T) { |
|
f := getFileReader("non-encoded-content-transfer-encoding.eml") |
|
|
|
m, _, plainBody, _, err := Parse(f) |
|
require.NoError(t, err) |
|
|
|
assert.Equal(t, `"Sender" <sender@sender.com>`, m.Sender.String()) |
|
assert.Equal(t, `<user@somewhere.org>`, m.ToList[0].String()) |
|
|
|
assert.Equal(t, "bodybodybody\n", plainBody) |
|
} |
|
|
|
func TestParseEncodedContentTypeBad(t *testing.T) { |
|
f := getFileReader("rfc2047-content-transfer-encoding-bad.eml") |
|
|
|
_, _, _, _, err := Parse(f) // nolint[dogsled] |
|
require.Error(t, err) |
|
} |
|
|
|
type panicReader struct{} |
|
|
|
func (panicReader) Read(p []byte) (int, error) { |
|
panic("lol") |
|
} |
|
|
|
func TestParsePanic(t *testing.T) { |
|
var err error |
|
require.NotPanics(t, func() { |
|
_, _, _, _, err = Parse(&panicReader{}) |
|
}) |
|
require.Error(t, err) |
|
} |
|
|
|
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) |
|
}
|
|
|