blob: 9accf9eabee4e8c2b54f2d80023ac2fd9c481252 [file] [log] [blame]
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/mime_util.h"
#include <vector>
#include "base/containers/contains.h"
#include "base/strings/string_split.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
using testing::Contains;
TEST(MimeUtilTest, GetWellKnownMimeTypeFromExtension) {
// String: png\0css
base::FilePath::StringType containsNullByte;
containsNullByte.append(FILE_PATH_LITERAL("png"));
containsNullByte.append(1, FILE_PATH_LITERAL('\0'));
containsNullByte.append(FILE_PATH_LITERAL("css"));
const struct {
const base::FilePath::StringType extension;
const char* const mime_type;
} tests[] = {
{FILE_PATH_LITERAL("png"), "image/png"},
{FILE_PATH_LITERAL("PNG"), "image/png"},
{FILE_PATH_LITERAL("css"), "text/css"},
{FILE_PATH_LITERAL("pjp"), "image/jpeg"},
{FILE_PATH_LITERAL("pjpeg"), "image/jpeg"},
{FILE_PATH_LITERAL("json"), "application/json"},
{FILE_PATH_LITERAL("js"), "text/javascript"},
{FILE_PATH_LITERAL("webm"), "video/webm"},
{FILE_PATH_LITERAL("weba"), "audio/webm"},
{FILE_PATH_LITERAL("avif"), "image/avif"},
{FILE_PATH_LITERAL("epub"), "application/epub+zip"},
{FILE_PATH_LITERAL("apk"), "application/vnd.android.package-archive"},
{FILE_PATH_LITERAL("cer"), "application/x-x509-ca-cert"},
{FILE_PATH_LITERAL("crt"), "application/x-x509-ca-cert"},
{FILE_PATH_LITERAL("zip"), "application/zip"},
{FILE_PATH_LITERAL("ics"), "text/calendar"},
{FILE_PATH_LITERAL("m3u8"), "application/x-mpegurl"},
{FILE_PATH_LITERAL("csv"), "text/csv"},
{FILE_PATH_LITERAL("not an extension / for sure"), nullptr},
{containsNullByte, nullptr}};
for (const auto& test : tests) {
std::string mime_type;
if (GetWellKnownMimeTypeFromExtension(test.extension, &mime_type))
EXPECT_EQ(test.mime_type, mime_type);
else
EXPECT_EQ(test.mime_type, nullptr);
}
}
TEST(MimeUtilTest, ExtensionTest) {
// String: png\0css
base::FilePath::StringType containsNullByte;
containsNullByte.append(FILE_PATH_LITERAL("png"));
containsNullByte.append(1, FILE_PATH_LITERAL('\0'));
containsNullByte.append(FILE_PATH_LITERAL("css"));
const struct {
const base::FilePath::StringType extension;
const std::vector<std::string> mime_types;
} tests[] = {
{FILE_PATH_LITERAL("png"), {"image/png"}},
{FILE_PATH_LITERAL("PNG"), {"image/png"}},
{FILE_PATH_LITERAL("css"), {"text/css"}},
{FILE_PATH_LITERAL("pjp"), {"image/jpeg"}},
{FILE_PATH_LITERAL("pjpeg"), {"image/jpeg"}},
{FILE_PATH_LITERAL("json"), {"application/json"}},
{FILE_PATH_LITERAL("js"), {"text/javascript"}},
{FILE_PATH_LITERAL("webm"), {"video/webm"}},
{FILE_PATH_LITERAL("weba"), {"audio/webm"}},
{FILE_PATH_LITERAL("avif"), {"image/avif"}},
#if BUILDFLAG(IS_CHROMEOS_ASH)
// These are test cases for testing platform mime types on ChromeOS.
{FILE_PATH_LITERAL("epub"), {"application/epub+zip"}},
{FILE_PATH_LITERAL("apk"), {"application/vnd.android.package-archive"}},
{FILE_PATH_LITERAL("cer"),
{
"application/x-x509-ca-cert",
"application/pkix-cert", // System override for ChromeOS.
}},
{FILE_PATH_LITERAL("crt"),
{
"application/x-x509-ca-cert",
"application/pkix-cert", // System override for ChromeOS.
}},
{FILE_PATH_LITERAL("zip"), {"application/zip"}},
{FILE_PATH_LITERAL("ics"), {"text/calendar"}},
#endif
{FILE_PATH_LITERAL("m3u8"),
{
"application/x-mpegurl", // Chrome's secondary mapping.
"audio/x-mpegurl", // https://crbug.com/1273061, system override for
// android-arm[64]-test and Linux. Possibly more.
"audio/mpegurl", // System override for mac.
}},
{FILE_PATH_LITERAL("csv"), {"text/csv"}},
{FILE_PATH_LITERAL("not an extension / for sure"), {}},
{containsNullByte, {}}
};
for (const auto& test : tests) {
std::string mime_type;
if (GetMimeTypeFromExtension(test.extension, &mime_type))
EXPECT_THAT(test.mime_types, Contains(mime_type));
else
EXPECT_TRUE(test.mime_types.empty());
}
}
// Behavior of GetPreferredExtensionForMimeType() is dependent on the host
// platform since the latter can override the mapping from file extensions to
// MIME types. The tests below would only work if the platform MIME mappings
// don't have mappings for or has an agreeing mapping for each MIME type
// mentioned.
TEST(MimeUtilTest, GetPreferredExtensionForMimeType) {
const struct {
const std::string mime_type;
const base::FilePath::StringType expected_extension;
} kTestCases[] = {
{"application/wasm", FILE_PATH_LITERAL("wasm")}, // Primary
{"application/javascript", FILE_PATH_LITERAL("js")}, // Secondary
{"text/javascript", FILE_PATH_LITERAL("js")}, // Primary
{"video/webm", FILE_PATH_LITERAL("webm")}, // Primary
};
for (const auto& test : kTestCases) {
base::FilePath::StringType extension;
auto rv = GetPreferredExtensionForMimeType(test.mime_type, &extension);
EXPECT_TRUE(rv);
EXPECT_EQ(test.expected_extension, extension);
}
}
TEST(MimeUtilTest, FileTest) {
const struct {
const base::FilePath::CharType* file_path;
const char* const mime_type;
bool valid;
} tests[] = {
{FILE_PATH_LITERAL("c:\\foo\\bar.css"), "text/css", true},
{FILE_PATH_LITERAL("c:\\foo\\bar.CSS"), "text/css", true},
{FILE_PATH_LITERAL("c:\\blah"), "", false},
{FILE_PATH_LITERAL("/usr/local/bin/mplayer"), "", false},
{FILE_PATH_LITERAL("/home/foo/bar.css"), "text/css", true},
{FILE_PATH_LITERAL("/blah."), "", false},
{FILE_PATH_LITERAL("c:\\blah."), "", false},
};
std::string mime_type;
bool rv;
for (const auto& test : tests) {
rv = GetMimeTypeFromFile(base::FilePath(test.file_path), &mime_type);
EXPECT_EQ(test.valid, rv);
if (rv)
EXPECT_EQ(test.mime_type, mime_type);
}
}
TEST(MimeUtilTest, MatchesMimeType) {
// MIME types are case insensitive.
EXPECT_TRUE(MatchesMimeType("VIDEO/*", "video/x-mpeg"));
EXPECT_TRUE(MatchesMimeType("video/*", "VIDEO/X-MPEG"));
EXPECT_TRUE(MatchesMimeType("*", "video/x-mpeg"));
EXPECT_TRUE(MatchesMimeType("video/*", "video/x-mpeg"));
EXPECT_TRUE(MatchesMimeType("video/*", "video/*"));
EXPECT_TRUE(MatchesMimeType("video/x-mpeg", "video/x-mpeg"));
EXPECT_TRUE(MatchesMimeType("application/*+xml",
"application/html+xml"));
EXPECT_TRUE(MatchesMimeType("application/*+xml", "application/+xml"));
EXPECT_TRUE(MatchesMimeType("application/*+json",
"application/x-myformat+json"));
EXPECT_TRUE(MatchesMimeType("aaa*aaa", "aaaaaa"));
EXPECT_TRUE(MatchesMimeType("*", std::string()));
EXPECT_FALSE(MatchesMimeType("video/", "video/x-mpeg"));
EXPECT_FALSE(MatchesMimeType("VIDEO/", "Video/X-MPEG"));
EXPECT_FALSE(MatchesMimeType(std::string(), "video/x-mpeg"));
EXPECT_FALSE(MatchesMimeType(std::string(), std::string()));
EXPECT_FALSE(MatchesMimeType("video/x-mpeg", std::string()));
EXPECT_FALSE(MatchesMimeType("application/*+xml", "application/xml"));
EXPECT_FALSE(MatchesMimeType("application/*+xml",
"application/html+xmlz"));
EXPECT_FALSE(MatchesMimeType("application/*+xml",
"applcation/html+xml"));
EXPECT_FALSE(MatchesMimeType("aaa*aaa", "aaaaa"));
EXPECT_TRUE(MatchesMimeType("*", "video/x-mpeg;param=val"));
EXPECT_TRUE(MatchesMimeType("*", "Video/X-MPEG;PARAM=VAL"));
EXPECT_TRUE(MatchesMimeType("video/*", "video/x-mpeg;param=val"));
EXPECT_FALSE(MatchesMimeType("video/*;param=val", "video/mpeg"));
EXPECT_FALSE(MatchesMimeType("Video/*;PARAM=VAL", "VIDEO/Mpeg"));
EXPECT_FALSE(MatchesMimeType("video/*;param=val", "video/mpeg;param=other"));
EXPECT_TRUE(MatchesMimeType("video/*;param=val", "video/mpeg;param=val"));
EXPECT_TRUE(MatchesMimeType("Video/*;PARAM=Val", "VIDEO/Mpeg;Param=Val"));
EXPECT_FALSE(MatchesMimeType("Video/*;PARAM=VAL", "VIDEO/Mpeg;Param=Val"));
EXPECT_TRUE(MatchesMimeType("video/x-mpeg", "video/x-mpeg;param=val"));
EXPECT_TRUE(MatchesMimeType("video/x-mpeg;param=val",
"video/x-mpeg;param=val"));
EXPECT_FALSE(MatchesMimeType("video/x-mpeg;param2=val2",
"video/x-mpeg;param=val"));
EXPECT_FALSE(MatchesMimeType("video/x-mpeg;param2=val2",
"video/x-mpeg;param2=val"));
EXPECT_TRUE(MatchesMimeType("video/x-mpeg;param=val",
"video/x-mpeg;param=val;param2=val2"));
EXPECT_TRUE(MatchesMimeType("Video/X-Mpeg;Param=Val",
"VIDEO/X-MPEG;PARAM=Val;PARAM2=val2"));
EXPECT_TRUE(MatchesMimeType("Video/X-Mpeg;Param=VAL",
"VIDEO/X-MPEG;PARAM=VAL;PARAM2=val2"));
EXPECT_FALSE(MatchesMimeType("Video/X-Mpeg;Param=val",
"VIDEO/X-MPEG;PARAM=VAL;PARAM2=val2"));
EXPECT_FALSE(MatchesMimeType("video/x-mpeg;param=VAL;param2=val2",
"video/x-mpeg;param=val;param2=val2"));
EXPECT_TRUE(MatchesMimeType("video/x-mpeg;param2=val2;param=val",
"video/x-mpeg;param=val;param2=val2"));
EXPECT_FALSE(MatchesMimeType("video/x-mpeg;param3=val3;param=val",
"video/x-mpeg;param=val;param2=val2"));
EXPECT_TRUE(MatchesMimeType("video/x-mpeg;param=val ;param2=val2 ",
"video/x-mpeg;param=val;param2=val2"));
EXPECT_TRUE(MatchesMimeType("*/*;param=val", "video/x-mpeg;param=val"));
EXPECT_FALSE(MatchesMimeType("*/*;param=val", "video/x-mpeg;param=val2"));
EXPECT_TRUE(MatchesMimeType("*", "*"));
EXPECT_TRUE(MatchesMimeType("*", "*/*"));
EXPECT_TRUE(MatchesMimeType("*/*", "*/*"));
EXPECT_TRUE(MatchesMimeType("*/*", "*"));
EXPECT_TRUE(MatchesMimeType("video/*", "video/*"));
EXPECT_FALSE(MatchesMimeType("video/*", "*/*"));
EXPECT_FALSE(MatchesMimeType("video/*;param=val", "video/*"));
EXPECT_TRUE(MatchesMimeType("video/*;param=val", "video/*;param=val"));
EXPECT_FALSE(MatchesMimeType("video/*;param=val", "video/*;param=val2"));
EXPECT_TRUE(MatchesMimeType("ab*cd", "abxxxcd"));
EXPECT_TRUE(MatchesMimeType("ab*cd", "abx/xcd"));
EXPECT_TRUE(MatchesMimeType("ab/*cd", "ab/xxxcd"));
}
TEST(MimeUtilTest, TestParseMimeType) {
const struct {
std::string type_str;
std::string mime_type;
base::StringPairs params;
} tests[] = {
// Simple tests.
{"image/jpeg", "image/jpeg"},
{"application/octet-stream;foo=bar;name=\"test.jpg\"",
"application/octet-stream",
{{"foo", "bar"}, {"name", "test.jpg"}}},
// Quoted string parsing.
{"t/s;name=\"t\\\\est\\\".jpg\"", "t/s", {{"name", "t\\est\".jpg"}}},
{"t/s;name=\"test.jpg\"", "t/s", {{"name", "test.jpg"}}},
{"t/s;name=\"test;jpg\"", "t/s", {{"name", "test;jpg"}}},
// Lenient for no closing quote.
{"t/s;name=\"test.jpg", "t/s", {{"name", "test.jpg"}}},
{"t/s;name=\"ab\\\"", "t/s", {{"name", "ab\""}}},
// Strip whitespace from start/end of mime_type.
{" t/s", "t/s"},
{"t/s ", "t/s"},
{" t/s ", "t/s"},
{"t/=", "t/="},
// Generally ignore whitespace.
{"t/s;a=1;b=2", "t/s", {{"a", "1"}, {"b", "2"}}},
{"t/s ;a=1;b=2", "t/s", {{"a", "1"}, {"b", "2"}}},
{"t/s; a=1;b=2", "t/s", {{"a", "1"}, {"b", "2"}}},
// Special case, include whitespace after param name until equals.
{"t/s;a =1;b=2", "t/s", {{"a ", "1"}, {"b", "2"}}},
{"t/s;a= 1;b=2", "t/s", {{"a", "1"}, {"b", "2"}}},
{"t/s;a=1 ;b=2", "t/s", {{"a", "1"}, {"b", "2"}}},
{"t/s;a=1; b=2", "t/s", {{"a", "1"}, {"b", "2"}}},
{"t/s; a = 1;b=2", "t/s", {{"a ", "1"}, {"b", "2"}}},
// Do not trim whitespace from quoted-string param values.
{"t/s;a=\" 1\";b=2", "t/s", {{"a", " 1"}, {"b", "2"}}},
{"t/s;a=\"1 \";b=2", "t/s", {{"a", "1 "}, {"b", "2"}}},
{"t/s;a=\" 1 \";b=2", "t/s", {{"a", " 1 "}, {"b", "2"}}},
// Ignore incomplete params.
{"t/s;a", "t/s", {}},
{"t/s;a=", "t/s", {}},
{"t/s;a=1;", "t/s", {{"a", "1"}}},
{"t/s;a=1;b", "t/s", {{"a", "1"}}},
{"t/s;a=1;b=", "t/s", {{"a", "1"}}},
// Allow empty subtype.
{"t/", "t/", {}},
{"ts/", "ts/", {}},
{"t/;", "t/", {}},
{"t/ s", "t/", {}},
// Questionable: allow anything as long as there is a slash somewhere.
{"/ts", "/ts", {}},
{"/s", "/s", {}},
{"/", "/", {}},
};
for (const auto& test : tests) {
std::string mime_type;
base::StringPairs params;
EXPECT_TRUE(ParseMimeType(test.type_str, &mime_type, &params));
EXPECT_EQ(test.mime_type, mime_type);
EXPECT_EQ(test.params, params);
}
for (auto* type_str : {
// Must have slash in mime type.
"",
"ts",
"t / s",
}) {
EXPECT_FALSE(ParseMimeType(type_str, nullptr, nullptr));
}
}
TEST(MimeUtilTest, TestParseMimeTypeWithoutParameter) {
std::string nonAscii("application/nonutf8");
EXPECT_TRUE(ParseMimeTypeWithoutParameter(nonAscii, nullptr, nullptr));
#if BUILDFLAG(IS_WIN)
nonAscii.append(base::WideToUTF8(L"\u2603"));
#else
nonAscii.append("\u2603"); // unicode snowman
#endif
EXPECT_FALSE(ParseMimeTypeWithoutParameter(nonAscii, nullptr, nullptr));
std::string top_level_type;
std::string subtype;
EXPECT_TRUE(ParseMimeTypeWithoutParameter(
"application/mime", &top_level_type, &subtype));
EXPECT_EQ("application", top_level_type);
EXPECT_EQ("mime", subtype);
// Various allowed subtype forms.
EXPECT_TRUE(
ParseMimeTypeWithoutParameter("application/json", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("application/x-suggestions+json",
nullptr, nullptr));
EXPECT_TRUE(
ParseMimeTypeWithoutParameter("application/+json", nullptr, nullptr));
// Upper case letters are allowed.
EXPECT_TRUE(ParseMimeTypeWithoutParameter("text/mime", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("TEXT/mime", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("Text/mime", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("TeXt/mime", nullptr, nullptr));
// Experimental types are also considered to be valid.
EXPECT_TRUE(ParseMimeTypeWithoutParameter("x-video/mime", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("X-Video/mime", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text/", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text/ ", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("te(xt/ ", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text/()plain", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("x-video", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("x-video/", nullptr, nullptr));
EXPECT_FALSE(
ParseMimeTypeWithoutParameter("application/a/b/c", nullptr, nullptr));
// Test leading and trailing whitespace
EXPECT_TRUE(ParseMimeTypeWithoutParameter(" text/plain", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("text/plain ", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text /plain", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text/ plain ", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("\ttext/plain", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("text/plain\t", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text\t/plain", nullptr, nullptr));
EXPECT_FALSE(
ParseMimeTypeWithoutParameter("text/\tplain ", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("\vtext/plain", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("text/plain\v", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text\v/plain", nullptr, nullptr));
EXPECT_FALSE(
ParseMimeTypeWithoutParameter("text/\vplain ", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("\rtext/plain", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("text/plain\r", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text\r/plain", nullptr, nullptr));
EXPECT_FALSE(
ParseMimeTypeWithoutParameter("text/\rplain ", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("\ntext/plain", nullptr, nullptr));
EXPECT_TRUE(ParseMimeTypeWithoutParameter("text/plain\n", nullptr, nullptr));
EXPECT_FALSE(ParseMimeTypeWithoutParameter("text\n/plain", nullptr, nullptr));
EXPECT_FALSE(
ParseMimeTypeWithoutParameter("text/\nplain ", nullptr, nullptr));
}
class ExtractMIMETypeTestInvalid : public testing::TestWithParam<std::string> {
};
INSTANTIATE_TEST_SUITE_P(
InvalidMediaTypes,
ExtractMIMETypeTestInvalid,
testing::Values(
// Fails because it doesn't contain '/'.
"a",
"application",
// Space is not HTTP token code point.
// https://mimesniff.spec.whatwg.org/#http-token-code-point
// U+2003, EM SPACE (UTF-8: E2 80 83).
"\xE2\x80\x83text/html",
"text\xE2\x80\x83/html",
"text / html",
"t e x t / h t m l",
"text\r\n/\nhtml",
"text\n/\nhtml",
", text/html",
"; text/html"));
TEST_P(ExtractMIMETypeTestInvalid, MustFail) {
// Parsing is expected to fail.
EXPECT_EQ(std::nullopt, net::ExtractMimeTypeFromMediaType(GetParam(), true));
}
class ExtractMIMETypeTestValid : public testing::TestWithParam<std::string> {};
INSTANTIATE_TEST_SUITE_P(
ValidMediaTypes,
ExtractMIMETypeTestValid,
testing::Values("text/html",
"text/html; charset=iso-8859-1",
// Quoted charset parameter.
"text/html; charset=\"quoted\"",
// Multiple parameters.
"text/html; charset=x; foo=bar",
// OWSes are trimmed.
" text/html ",
"\ttext/html \t",
"text/html ; charset=iso-8859-1"
// Non-standard multiple type/subtype listing using a comma
// as a separator is accepted.
"text/html,text/plain",
"text/html , text/plain",
"text/html\t,\ttext/plain",
"text/html,text/plain;charset=iso-8859-1",
"\r\ntext/html\r\n",
"text/html;wow",
"text/html;;;;;;",
"text/html; = = = "));
TEST_P(ExtractMIMETypeTestValid, MustSucceed) {
// net::ExtractMIMETypeFromMediaType parses well-formed headers correctly.
EXPECT_EQ("text/html",
net::ExtractMimeTypeFromMediaType(GetParam(), true).value_or(""));
}
TEST(MimeUtilTest, TestIsValidTopLevelMimeType) {
EXPECT_TRUE(IsValidTopLevelMimeType("application"));
EXPECT_TRUE(IsValidTopLevelMimeType("audio"));
EXPECT_TRUE(IsValidTopLevelMimeType("example"));
EXPECT_TRUE(IsValidTopLevelMimeType("font"));
EXPECT_TRUE(IsValidTopLevelMimeType("image"));
EXPECT_TRUE(IsValidTopLevelMimeType("message"));
EXPECT_TRUE(IsValidTopLevelMimeType("model"));
EXPECT_TRUE(IsValidTopLevelMimeType("multipart"));
EXPECT_TRUE(IsValidTopLevelMimeType("text"));
EXPECT_TRUE(IsValidTopLevelMimeType("video"));
EXPECT_TRUE(IsValidTopLevelMimeType("TEXT"));
EXPECT_TRUE(IsValidTopLevelMimeType("Text"));
EXPECT_TRUE(IsValidTopLevelMimeType("TeXt"));
EXPECT_FALSE(IsValidTopLevelMimeType("mime"));
EXPECT_FALSE(IsValidTopLevelMimeType(""));
EXPECT_FALSE(IsValidTopLevelMimeType("/"));
EXPECT_FALSE(IsValidTopLevelMimeType(" "));
EXPECT_TRUE(IsValidTopLevelMimeType("x-video"));
EXPECT_TRUE(IsValidTopLevelMimeType("X-video"));
EXPECT_FALSE(IsValidTopLevelMimeType("x-"));
}
TEST(MimeUtilTest, TestGetExtensionsForMimeType) {
const struct {
const char* const mime_type;
size_t min_expected_size;
const char* const contained_result;
bool no_matches;
} tests[] = {
{"text/plain", 2, "txt"},
{"text/pl", 0, nullptr, true},
{"*", 0, nullptr},
{"", 0, nullptr, true},
{"message/*", 1, "eml"},
{"MeSsAge/*", 1, "eml"},
{"message/", 0, nullptr, true},
{"image/avif", 1, "avif"},
{"image/bmp", 1, "bmp"},
{"video/*", 6, "mp4"},
{"video/*", 6, "mpeg"},
{"audio/*", 6, "oga"},
{"aUDIo/*", 6, "wav"},
};
for (const auto& test : tests) {
std::vector<base::FilePath::StringType> extensions;
GetExtensionsForMimeType(test.mime_type, &extensions);
ASSERT_LE(test.min_expected_size, extensions.size());
if (test.no_matches)
ASSERT_EQ(0u, extensions.size());
if (test.contained_result) {
// Convert ASCII to FilePath::StringType.
base::FilePath::StringType contained_result(
test.contained_result,
test.contained_result + strlen(test.contained_result));
bool found = base::Contains(extensions, contained_result);
ASSERT_TRUE(found) << "Must find at least the contained result within "
<< test.mime_type;
}
}
}
TEST(MimeUtilTest, TestGenerateMimeMultipartBoundary) {
std::string boundary1 = GenerateMimeMultipartBoundary();
std::string boundary2 = GenerateMimeMultipartBoundary();
// RFC 1341 says: the boundary parameter [...] consists of 1 to 70 characters.
EXPECT_GE(70u, boundary1.size());
EXPECT_GE(70u, boundary2.size());
// RFC 1341 asks to: exercise care to choose a unique boundary.
EXPECT_NE(boundary1, boundary2);
ASSERT_LE(16u, boundary1.size());
ASSERT_LE(16u, boundary2.size());
// Expect that we don't pick '\0' character from the array/string
// where we take the characters from.
EXPECT_EQ(std::string::npos, boundary1.find('\0'));
EXPECT_EQ(std::string::npos, boundary2.find('\0'));
// Asserts below are not RFC 1341 requirements, but are here
// to improve readability of generated MIME documents and to
// try to preserve some aspects of the old boundary generation code.
EXPECT_EQ("--", boundary1.substr(0, 2));
EXPECT_EQ("--", boundary2.substr(0, 2));
EXPECT_NE(std::string::npos, boundary1.find("MultipartBoundary"));
EXPECT_NE(std::string::npos, boundary2.find("MultipartBoundary"));
EXPECT_EQ("--", boundary1.substr(boundary1.size() - 2, 2));
EXPECT_EQ("--", boundary2.substr(boundary2.size() - 2, 2));
}
TEST(MimeUtilTest, TestAddMultipartValueForUpload) {
const char ref_output[] =
"--boundary\r\nContent-Disposition: form-data;"
" name=\"value name\"\r\nContent-Type: content type"
"\r\n\r\nvalue\r\n"
"--boundary\r\nContent-Disposition: form-data;"
" name=\"value name\"\r\n\r\nvalue\r\n"
"--boundary--\r\n";
std::string post_data;
AddMultipartValueForUpload("value name", "value", "boundary",
"content type", &post_data);
AddMultipartValueForUpload("value name", "value", "boundary",
"", &post_data);
AddMultipartFinalDelimiterForUpload("boundary", &post_data);
EXPECT_STREQ(ref_output, post_data.c_str());
}
TEST(MimeUtilTest, TestAddMultipartValueForUploadWithFileName) {
const char ref_output[] =
"--boundary\r\nContent-Disposition: form-data;"
" name=\"value name\"; filename=\"file name\"\r\nContent-Type: content "
"type"
"\r\n\r\nvalue\r\n"
"--boundary\r\nContent-Disposition: form-data;"
" name=\"value name\"; filename=\"file name\"\r\n\r\nvalue\r\n"
"--boundary--\r\n";
std::string post_data;
AddMultipartValueForUploadWithFileName("value name", "file name", "value",
"boundary", "content type",
&post_data);
AddMultipartValueForUploadWithFileName("value name", "file name", "value",
"boundary", "", &post_data);
AddMultipartFinalDelimiterForUpload("boundary", &post_data);
EXPECT_STREQ(ref_output, post_data.c_str());
}
} // namespace net