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// Copyright 2013 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/websockets/websocket_extension_parser.h"
#include <string>
#include "net/websockets/websocket_extension.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
TEST(WebSocketExtensionParserTest, ParseEmpty) {
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions("");
EXPECT_EQ(0U, extensions.size());
}
TEST(WebSocketExtensionParserTest, ParseSimple) {
WebSocketExtension expected("foo");
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions("foo");
ASSERT_EQ(1U, extensions.size());
EXPECT_TRUE(expected.Equivalent(extensions[0]));
}
TEST(WebSocketExtensionParserTest, ParseOneExtensionWithOneParamWithoutValue) {
WebSocketExtension expected("foo");
expected.Add(WebSocketExtension::Parameter("bar"));
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions("\tfoo ; bar");
ASSERT_EQ(1U, extensions.size());
EXPECT_TRUE(expected.Equivalent(extensions[0]));
}
TEST(WebSocketExtensionParserTest, ParseOneExtensionWithOneParamWithValue) {
WebSocketExtension expected("foo");
expected.Add(WebSocketExtension::Parameter("bar", "baz"));
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions("foo ; bar= baz\t");
ASSERT_EQ(1U, extensions.size());
EXPECT_TRUE(expected.Equivalent(extensions[0]));
}
TEST(WebSocketExtensionParserTest, ParseOneExtensionWithParams) {
WebSocketExtension expected("foo");
expected.Add(WebSocketExtension::Parameter("bar", "baz"));
expected.Add(WebSocketExtension::Parameter("hoge", "fuga"));
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions("foo ; bar= baz;\t \thoge\t\t=fuga");
ASSERT_EQ(1U, extensions.size());
EXPECT_TRUE(expected.Equivalent(extensions[0]));
}
TEST(WebSocketExtensionParserTest, ParseTwoExtensions) {
WebSocketExtension expected0("foo");
expected0.Add(WebSocketExtension::Parameter("alpha", "x"));
WebSocketExtension expected1("bar");
expected1.Add(WebSocketExtension::Parameter("beta", "y"));
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions(" foo ; alpha = x , bar ; beta = y ");
ASSERT_EQ(2U, extensions.size());
EXPECT_TRUE(expected0.Equivalent(extensions[0]));
EXPECT_TRUE(expected1.Equivalent(extensions[1]));
}
TEST(WebSocketExtensionParserTest, InvalidPatterns) {
const char* const patterns[] = {
",", // just a comma
" , ", // just a comma with surrounding spaces
"foo,", // second extension is incomplete (empty)
"foo , ", // second extension is incomplete (space)
"foo,;", // second extension is incomplete (semicolon)
"foo;, bar", // first extension is incomplete
"fo\ao", // control in extension name
"fo\x01o", // control in extension name
"fo<o", // separator in extension name
"foo/", // separator in extension name
";bar", // empty extension name
"foo bar", // missing ';'
"foo;", // extension parameter without name and value
"foo; b\ar", // control in parameter name
"foo; b\x7fr", // control in parameter name
"foo; b[r", // separator in parameter name
"foo; ba:", // separator in parameter name
"foo; =baz", // empty parameter name
"foo; bar=", // empty parameter value
"foo; =", // empty parameter name and value
"foo; bar=b\x02z", // control in parameter value
"foo; bar=b@z", // separator in parameter value
"foo; bar=b\\z", // separator in parameter value
"foo; bar=b?z", // separator in parameter value
"\"foo\"", // quoted extension name
"foo; \"bar\"", // quoted parameter name
"foo; bar=\"\a2\"", // control in quoted parameter value
"foo; bar=\"b@z\"", // separator in quoted parameter value
"foo; bar=\"b\\\\z\"", // separator in quoted parameter value
"foo; bar=\"\"", // quoted empty parameter value
"foo; bar=\"baz", // unterminated quoted string
"foo; bar=\"baz \"", // space in quoted string
"foo; bar baz", // missing '='
"foo; bar - baz", // '-' instead of '=' (note: "foo; bar-baz" is valid).
"foo; bar=\r\nbaz", // CRNL not followed by a space
"foo; bar=\r\n baz", // CRNL followed by a space
"f\xFFpp", // 8-bit character in extension name
"foo; b\xFFr=baz" // 8-bit character in parameter name
"foo; bar=b\xFF" // 8-bit character in parameter value
"foo; bar=\"b\xFF\"" // 8-bit character in quoted parameter value
"foo; bar=\"baz\\" // ends with backslash
};
for (const auto* pattern : patterns) {
EXPECT_EQ(0U, ParseWebSocketExtensions(pattern).size());
}
}
TEST(WebSocketExtensionParserTest, QuotedParameterValue) {
WebSocketExtension expected("foo");
expected.Add(WebSocketExtension::Parameter("bar", "baz"));
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions("foo; bar = \"ba\\z\" ");
ASSERT_EQ(1U, extensions.size());
EXPECT_TRUE(expected.Equivalent(extensions[0]));
}
// This is a regression test for crbug.com/647156
TEST(WebSocketExtensionParserTest, InvalidToken) {
static constexpr char kInvalidInput[] = "\304;\304!*777\377=\377\254\377";
const std::vector<WebSocketExtension> extensions =
ParseWebSocketExtensions(kInvalidInput);
EXPECT_TRUE(extensions.empty());
}
} // namespace
} // namespace net
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