538 lines
18 KiB
Go
538 lines
18 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package mime
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import (
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"reflect"
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"strings"
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"testing"
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)
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func TestConsumeToken(t *testing.T) {
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tests := [...][3]string{
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{"foo bar", "foo", " bar"},
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{"bar", "bar", ""},
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{"", "", ""},
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{" foo", "", " foo"},
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}
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for _, test := range tests {
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token, rest := consumeToken(test[0])
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expectedToken := test[1]
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expectedRest := test[2]
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if token != expectedToken {
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t.Errorf("expected to consume token '%s', not '%s' from '%s'",
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expectedToken, token, test[0])
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} else if rest != expectedRest {
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t.Errorf("expected to have left '%s', not '%s' after reading token '%s' from '%s'",
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expectedRest, rest, token, test[0])
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}
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}
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}
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func TestConsumeValue(t *testing.T) {
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tests := [...][3]string{
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{"foo bar", "foo", " bar"},
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{"bar", "bar", ""},
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{" bar ", "", " bar "},
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{`"My value"end`, "My value", "end"},
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{`"My value" end`, "My value", " end"},
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{`"\\" rest`, "\\", " rest"},
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{`"My \" value"end`, "My \" value", "end"},
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{`"\" rest`, "", `"\" rest`},
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{`"C:\dev\go\robots.txt"`, `C:\dev\go\robots.txt`, ""},
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{`"C:\新建文件夹\中文第二次测试.mp4"`, `C:\新建文件夹\中文第二次测试.mp4`, ""},
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}
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for _, test := range tests {
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value, rest := consumeValue(test[0])
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expectedValue := test[1]
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expectedRest := test[2]
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if value != expectedValue {
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t.Errorf("expected to consume value [%s], not [%s] from [%s]",
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expectedValue, value, test[0])
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} else if rest != expectedRest {
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t.Errorf("expected to have left [%s], not [%s] after reading value [%s] from [%s]",
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expectedRest, rest, value, test[0])
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}
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}
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}
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func TestConsumeMediaParam(t *testing.T) {
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tests := [...][4]string{
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{" ; foo=bar", "foo", "bar", ""},
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{"; foo=bar", "foo", "bar", ""},
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{";foo=bar", "foo", "bar", ""},
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{";FOO=bar", "foo", "bar", ""},
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{`;foo="bar"`, "foo", "bar", ""},
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{`;foo="bar"; `, "foo", "bar", "; "},
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{`;foo="bar"; foo=baz`, "foo", "bar", "; foo=baz"},
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{` ; boundary=----CUT;`, "boundary", "----CUT", ";"},
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{` ; key=value; blah="value";name="foo" `, "key", "value", `; blah="value";name="foo" `},
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{`; blah="value";name="foo" `, "blah", "value", `;name="foo" `},
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{`;name="foo" `, "name", "foo", ` `},
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}
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for _, test := range tests {
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param, value, rest := consumeMediaParam(test[0])
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expectedParam := test[1]
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expectedValue := test[2]
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expectedRest := test[3]
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if param != expectedParam {
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t.Errorf("expected to consume param [%s], not [%s] from [%s]",
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expectedParam, param, test[0])
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} else if value != expectedValue {
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t.Errorf("expected to consume value [%s], not [%s] from [%s]",
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expectedValue, value, test[0])
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} else if rest != expectedRest {
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t.Errorf("expected to have left [%s], not [%s] after reading [%s/%s] from [%s]",
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expectedRest, rest, param, value, test[0])
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}
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}
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}
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type mediaTypeTest struct {
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in string
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t string
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p map[string]string
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}
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func TestParseMediaType(t *testing.T) {
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// Convenience map initializer
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m := func(s ...string) map[string]string {
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sm := make(map[string]string)
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for i := 0; i < len(s); i += 2 {
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sm[s[i]] = s[i+1]
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}
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return sm
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}
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nameFoo := map[string]string{"name": "foo"}
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tests := []mediaTypeTest{
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{`form-data; name="foo"`, "form-data", nameFoo},
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{` form-data ; name=foo`, "form-data", nameFoo},
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{`FORM-DATA;name="foo"`, "form-data", nameFoo},
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{` FORM-DATA ; name="foo"`, "form-data", nameFoo},
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{` FORM-DATA ; name="foo"`, "form-data", nameFoo},
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{`form-data; key=value; blah="value";name="foo" `,
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"form-data",
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m("key", "value", "blah", "value", "name", "foo")},
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{`foo; key=val1; key=the-key-appears-again-which-is-bogus`,
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"", m()},
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// From RFC 2231:
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{`application/x-stuff; title*=us-ascii'en-us'This%20is%20%2A%2A%2Afun%2A%2A%2A`,
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"application/x-stuff",
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m("title", "This is ***fun***")},
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{`message/external-body; access-type=URL; ` +
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`URL*0="ftp://";` +
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`URL*1="cs.utk.edu/pub/moore/bulk-mailer/bulk-mailer.tar"`,
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"message/external-body",
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m("access-type", "URL",
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"url", "ftp://cs.utk.edu/pub/moore/bulk-mailer/bulk-mailer.tar")},
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{`application/x-stuff; ` +
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`title*0*=us-ascii'en'This%20is%20even%20more%20; ` +
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`title*1*=%2A%2A%2Afun%2A%2A%2A%20; ` +
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`title*2="isn't it!"`,
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"application/x-stuff",
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m("title", "This is even more ***fun*** isn't it!")},
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// Tests from http://greenbytes.de/tech/tc2231/
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// Note: Backslash escape handling is a bit loose, like MSIE.
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// #attonly
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{`attachment`,
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"attachment",
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m()},
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// #attonlyucase
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{`ATTACHMENT`,
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"attachment",
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m()},
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// #attwithasciifilename
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{`attachment; filename="foo.html"`,
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"attachment",
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m("filename", "foo.html")},
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// #attwithasciifilename25
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{`attachment; filename="0000000000111111111122222"`,
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"attachment",
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m("filename", "0000000000111111111122222")},
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// #attwithasciifilename35
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{`attachment; filename="00000000001111111111222222222233333"`,
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"attachment",
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m("filename", "00000000001111111111222222222233333")},
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// #attwithasciifnescapedchar
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{`attachment; filename="f\oo.html"`,
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"attachment",
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m("filename", "f\\oo.html")},
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// #attwithasciifnescapedquote
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{`attachment; filename="\"quoting\" tested.html"`,
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"attachment",
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m("filename", `"quoting" tested.html`)},
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// #attwithquotedsemicolon
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{`attachment; filename="Here's a semicolon;.html"`,
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"attachment",
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m("filename", "Here's a semicolon;.html")},
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// #attwithfilenameandextparam
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{`attachment; foo="bar"; filename="foo.html"`,
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"attachment",
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m("foo", "bar", "filename", "foo.html")},
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// #attwithfilenameandextparamescaped
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{`attachment; foo="\"\\";filename="foo.html"`,
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"attachment",
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m("foo", "\"\\", "filename", "foo.html")},
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// #attwithasciifilenameucase
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{`attachment; FILENAME="foo.html"`,
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"attachment",
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m("filename", "foo.html")},
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// #attwithasciifilenamenq
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{`attachment; filename=foo.html`,
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"attachment",
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m("filename", "foo.html")},
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// #attwithasciifilenamenqs
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{`attachment; filename=foo.html ;`,
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"attachment",
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m("filename", "foo.html")},
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// #attwithfntokensq
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{`attachment; filename='foo.html'`,
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"attachment",
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m("filename", "'foo.html'")},
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// #attwithisofnplain
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{`attachment; filename="foo-ä.html"`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attwithutf8fnplain
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{`attachment; filename="foo-ä.html"`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attwithfnrawpctenca
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{`attachment; filename="foo-%41.html"`,
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"attachment",
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m("filename", "foo-%41.html")},
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// #attwithfnusingpct
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{`attachment; filename="50%.html"`,
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"attachment",
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m("filename", "50%.html")},
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// #attwithfnrawpctencaq
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{`attachment; filename="foo-%\41.html"`,
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"attachment",
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m("filename", "foo-%\\41.html")},
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// #attwithnamepct
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{`attachment; name="foo-%41.html"`,
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"attachment",
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m("name", "foo-%41.html")},
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// #attwithfilenamepctandiso
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{`attachment; name="ä-%41.html"`,
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"attachment",
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m("name", "ä-%41.html")},
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// #attwithfnrawpctenclong
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{`attachment; filename="foo-%c3%a4-%e2%82%ac.html"`,
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"attachment",
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m("filename", "foo-%c3%a4-%e2%82%ac.html")},
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// #attwithasciifilenamews1
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{`attachment; filename ="foo.html"`,
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"attachment",
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m("filename", "foo.html")},
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// #attmissingdisposition
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{`filename=foo.html`,
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"", m()},
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// #attmissingdisposition2
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{`x=y; filename=foo.html`,
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"", m()},
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// #attmissingdisposition3
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{`"foo; filename=bar;baz"; filename=qux`,
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"", m()},
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// #attmissingdisposition4
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{`filename=foo.html, filename=bar.html`,
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"", m()},
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// #emptydisposition
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{`; filename=foo.html`,
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"", m()},
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// #doublecolon
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{`: inline; attachment; filename=foo.html`,
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"", m()},
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// #attandinline
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{`inline; attachment; filename=foo.html`,
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"", m()},
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// #attandinline2
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{`attachment; inline; filename=foo.html`,
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"", m()},
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// #attbrokenquotedfn
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{`attachment; filename="foo.html".txt`,
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"", m()},
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// #attbrokenquotedfn2
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{`attachment; filename="bar`,
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"", m()},
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// #attbrokenquotedfn3
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{`attachment; filename=foo"bar;baz"qux`,
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"", m()},
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// #attmultinstances
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{`attachment; filename=foo.html, attachment; filename=bar.html`,
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"", m()},
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// #attmissingdelim
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{`attachment; foo=foo filename=bar`,
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"", m()},
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// #attmissingdelim2
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{`attachment; filename=bar foo=foo`,
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"", m()},
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// #attmissingdelim3
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{`attachment filename=bar`,
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"", m()},
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// #attreversed
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{`filename=foo.html; attachment`,
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"", m()},
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// #attconfusedparam
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{`attachment; xfilename=foo.html`,
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"attachment",
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m("xfilename", "foo.html")},
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// #attcdate
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{`attachment; creation-date="Wed, 12 Feb 1997 16:29:51 -0500"`,
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"attachment",
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m("creation-date", "Wed, 12 Feb 1997 16:29:51 -0500")},
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// #attmdate
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{`attachment; modification-date="Wed, 12 Feb 1997 16:29:51 -0500"`,
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"attachment",
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m("modification-date", "Wed, 12 Feb 1997 16:29:51 -0500")},
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// #dispext
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{`foobar`, "foobar", m()},
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// #dispextbadfn
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{`attachment; example="filename=example.txt"`,
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"attachment",
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m("example", "filename=example.txt")},
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// #attwithfn2231utf8
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{`attachment; filename*=UTF-8''foo-%c3%a4-%e2%82%ac.html`,
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"attachment",
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m("filename", "foo-ä-€.html")},
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// #attwithfn2231noc
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{`attachment; filename*=''foo-%c3%a4-%e2%82%ac.html`,
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"attachment",
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m()},
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// #attwithfn2231utf8comp
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{`attachment; filename*=UTF-8''foo-a%cc%88.html`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attwithfn2231ws2
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{`attachment; filename*= UTF-8''foo-%c3%a4.html`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attwithfn2231ws3
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{`attachment; filename* =UTF-8''foo-%c3%a4.html`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attwithfn2231quot
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{`attachment; filename*="UTF-8''foo-%c3%a4.html"`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attwithfn2231quot2
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{`attachment; filename*="foo%20bar.html"`,
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"attachment",
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m()},
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// #attwithfn2231singleqmissing
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{`attachment; filename*=UTF-8'foo-%c3%a4.html`,
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"attachment",
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m()},
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// #attwithfn2231nbadpct1
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{`attachment; filename*=UTF-8''foo%`,
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"attachment",
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m()},
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// #attwithfn2231nbadpct2
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{`attachment; filename*=UTF-8''f%oo.html`,
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"attachment",
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m()},
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// #attwithfn2231dpct
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{`attachment; filename*=UTF-8''A-%2541.html`,
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"attachment",
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m("filename", "A-%41.html")},
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// #attfncont
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{`attachment; filename*0="foo."; filename*1="html"`,
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"attachment",
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m("filename", "foo.html")},
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// #attfncontenc
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{`attachment; filename*0*=UTF-8''foo-%c3%a4; filename*1=".html"`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attfncontlz
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{`attachment; filename*0="foo"; filename*01="bar"`,
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"attachment",
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m("filename", "foo")},
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// #attfncontnc
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{`attachment; filename*0="foo"; filename*2="bar"`,
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"attachment",
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m("filename", "foo")},
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// #attfnconts1
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{`attachment; filename*1="foo."; filename*2="html"`,
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"attachment", m()},
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// #attfncontord
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{`attachment; filename*1="bar"; filename*0="foo"`,
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"attachment",
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m("filename", "foobar")},
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// #attfnboth
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{`attachment; filename="foo-ae.html"; filename*=UTF-8''foo-%c3%a4.html`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attfnboth2
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{`attachment; filename*=UTF-8''foo-%c3%a4.html; filename="foo-ae.html"`,
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"attachment",
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m("filename", "foo-ä.html")},
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// #attfnboth3
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{`attachment; filename*0*=ISO-8859-15''euro-sign%3d%a4; filename*=ISO-8859-1''currency-sign%3d%a4`,
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"attachment",
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m()},
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// #attnewandfn
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{`attachment; foobar=x; filename="foo.html"`,
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"attachment",
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m("foobar", "x", "filename", "foo.html")},
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// Browsers also just send UTF-8 directly without RFC 2231,
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// at least when the source page is served with UTF-8.
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{`form-data; firstname="Брэд"; lastname="Фицпатрик"`,
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"form-data",
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m("firstname", "Брэд", "lastname", "Фицпатрик")},
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// Empty string used to be mishandled.
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{`foo; bar=""`, "foo", m("bar", "")},
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// Microsoft browsers in intranet mode do not think they need to escape \ in file name.
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{`form-data; name="file"; filename="C:\dev\go\robots.txt"`, "form-data", m("name", "file", "filename", `C:\dev\go\robots.txt`)},
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{`form-data; name="file"; filename="C:\新建文件夹\中文第二次测试.mp4"`, "form-data", m("name", "file", "filename", `C:\新建文件夹\中文第二次测试.mp4`)},
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// issue #46323 (https://github.com/golang/go/issues/46323)
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{
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// example from rfc2231-p.3 (https://datatracker.ietf.org/doc/html/rfc2231)
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`message/external-body; access-type=URL;
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URL*0="ftp://";
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URL*1="cs.utk.edu/pub/moore/bulk-mailer/bulk-mailer.tar";`, // <-- trailing semicolon
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`message/external-body`,
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m("access-type", "URL", "url", "ftp://cs.utk.edu/pub/moore/bulk-mailer/bulk-mailer.tar"),
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},
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}
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for _, test := range tests {
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mt, params, err := ParseMediaType(test.in)
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if err != nil {
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if test.t != "" {
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t.Errorf("for input %#q, unexpected error: %v", test.in, err)
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continue
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}
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continue
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}
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if g, e := mt, test.t; g != e {
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t.Errorf("for input %#q, expected type %q, got %q",
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test.in, e, g)
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continue
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}
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if len(params) == 0 && len(test.p) == 0 {
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continue
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}
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if !reflect.DeepEqual(params, test.p) {
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t.Errorf("for input %#q, wrong params.\n"+
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"expected: %#v\n"+
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" got: %#v",
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test.in, test.p, params)
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}
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}
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}
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type badMediaTypeTest struct {
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in string
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mt string
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err string
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}
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var badMediaTypeTests = []badMediaTypeTest{
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{"bogus ;=========", "bogus", "mime: invalid media parameter"},
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// The following example is from real email delivered by gmail (error: missing semicolon)
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// and it is there to check behavior described in #19498
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{"application/pdf; x-mac-type=\"3F3F3F3F\"; x-mac-creator=\"3F3F3F3F\" name=\"a.pdf\";",
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"application/pdf", "mime: invalid media parameter"},
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{"bogus/<script>alert</script>", "", "mime: expected token after slash"},
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{"bogus/bogus<script>alert</script>", "", "mime: unexpected content after media subtype"},
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// Tests from http://greenbytes.de/tech/tc2231/
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{`"attachment"`, "attachment", "mime: no media type"},
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{"attachment; filename=foo,bar.html", "attachment", "mime: invalid media parameter"},
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{"attachment; ;filename=foo", "attachment", "mime: invalid media parameter"},
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{"attachment; filename=foo bar.html", "attachment", "mime: invalid media parameter"},
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{`attachment; filename="foo.html"; filename="bar.html"`, "attachment", "mime: duplicate parameter name"},
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{"attachment; filename=foo[1](2).html", "attachment", "mime: invalid media parameter"},
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{"attachment; filename=foo-ä.html", "attachment", "mime: invalid media parameter"},
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{"attachment; filename=foo-ä.html", "attachment", "mime: invalid media parameter"},
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{`attachment; filename *=UTF-8''foo-%c3%a4.html`, "attachment", "mime: invalid media parameter"},
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}
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func TestParseMediaTypeBogus(t *testing.T) {
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for _, tt := range badMediaTypeTests {
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mt, params, err := ParseMediaType(tt.in)
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if err == nil {
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t.Errorf("ParseMediaType(%q) = nil error; want parse error", tt.in)
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continue
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}
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if err.Error() != tt.err {
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t.Errorf("ParseMediaType(%q) = err %q; want %q", tt.in, err.Error(), tt.err)
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}
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if params != nil {
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t.Errorf("ParseMediaType(%q): got non-nil params on error", tt.in)
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}
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if err != ErrInvalidMediaParameter && mt != "" {
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t.Errorf("ParseMediaType(%q): got unexpected non-empty media type string", tt.in)
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}
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if err == ErrInvalidMediaParameter && mt != tt.mt {
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t.Errorf("ParseMediaType(%q): in case of invalid parameters: expected type %q, got %q", tt.in, tt.mt, mt)
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}
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}
|
|
}
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|
|
|
type formatTest struct {
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|
typ string
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|
params map[string]string
|
|
want string
|
|
}
|
|
|
|
var formatTests = []formatTest{
|
|
{"noslash", map[string]string{"X": "Y"}, "noslash; x=Y"}, // e.g. Content-Disposition values (RFC 2183); issue 11289
|
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{"foo bar/baz", nil, ""},
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|
{"foo/bar baz", nil, ""},
|
|
{"attachment", map[string]string{"filename": "ĄĄŽŽČČŠŠ"}, "attachment; filename*=utf-8''%C4%84%C4%84%C5%BD%C5%BD%C4%8C%C4%8C%C5%A0%C5%A0"},
|
|
{"attachment", map[string]string{"filename": "ÁÁÊÊÇÇÎÎ"}, "attachment; filename*=utf-8''%C3%81%C3%81%C3%8A%C3%8A%C3%87%C3%87%C3%8E%C3%8E"},
|
|
{"attachment", map[string]string{"filename": "数据统计.png"}, "attachment; filename*=utf-8''%E6%95%B0%E6%8D%AE%E7%BB%9F%E8%AE%A1.png"},
|
|
{"foo/BAR", nil, "foo/bar"},
|
|
{"foo/BAR", map[string]string{"X": "Y"}, "foo/bar; x=Y"},
|
|
{"foo/BAR", map[string]string{"space": "With space"}, `foo/bar; space="With space"`},
|
|
{"foo/BAR", map[string]string{"quote": `With "quote`}, `foo/bar; quote="With \"quote"`},
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|
{"foo/BAR", map[string]string{"bslash": `With \backslash`}, `foo/bar; bslash="With \\backslash"`},
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|
{"foo/BAR", map[string]string{"both": `With \backslash and "quote`}, `foo/bar; both="With \\backslash and \"quote"`},
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|
{"foo/BAR", map[string]string{"": "empty attribute"}, ""},
|
|
{"foo/BAR", map[string]string{"bad attribute": "baz"}, ""},
|
|
{"foo/BAR", map[string]string{"nonascii": "not an ascii character: ä"}, "foo/bar; nonascii*=utf-8''not%20an%20ascii%20character%3A%20%C3%A4"},
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{"foo/BAR", map[string]string{"ctl": "newline: \n nil: \000"}, "foo/bar; ctl*=utf-8''newline%3A%20%0A%20nil%3A%20%00"},
|
|
{"foo/bar", map[string]string{"a": "av", "b": "bv", "c": "cv"}, "foo/bar; a=av; b=bv; c=cv"},
|
|
{"foo/bar", map[string]string{"0": "'", "9": "'"}, "foo/bar; 0='; 9='"},
|
|
{"foo", map[string]string{"bar": ""}, `foo; bar=""`},
|
|
}
|
|
|
|
func TestFormatMediaType(t *testing.T) {
|
|
for i, tt := range formatTests {
|
|
got := FormatMediaType(tt.typ, tt.params)
|
|
if got != tt.want {
|
|
t.Errorf("%d. FormatMediaType(%q, %v) = %q; want %q", i, tt.typ, tt.params, got, tt.want)
|
|
}
|
|
if got == "" {
|
|
continue
|
|
}
|
|
typ, params, err := ParseMediaType(got)
|
|
if err != nil {
|
|
t.Errorf("%d. ParseMediaType(%q) err: %v", i, got, err)
|
|
}
|
|
if typ != strings.ToLower(tt.typ) {
|
|
t.Errorf("%d. ParseMediaType(%q) typ = %q; want %q", i, got, typ, tt.typ)
|
|
}
|
|
for k, v := range tt.params {
|
|
k = strings.ToLower(k)
|
|
if params[k] != v {
|
|
t.Errorf("%d. ParseMediaType(%q) params[%s] = %q; want %q", i, got, k, params[k], v)
|
|
}
|
|
}
|
|
}
|
|
}
|