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AK: Fix logic error in urldecode() percent-decoding

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We also need to append the raw consumed value if *either* of the two
characters after the % isn't a hex digit, not only if *both* aren't.

Fixes #4257.
This commit is contained in:
Linus Groh 2020-11-30 00:28:27 +00:00 • committed by Andreas Kling
parent 4c8c149612
commit ba020a5907
2 changed files with 15 additions and 1 deletions
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14
AK/Tests/TestURL.cpp
View file

@ -172,9 +172,22 @@ TEST_CASE(data_url)
EXPECT_EQ(url.protocol(), "data");
EXPECT_EQ(url.host(), "");
EXPECT_EQ(url.data_mime_type(), "text/html");
EXPECT_EQ(url.data_payload(), "test");
EXPECT_EQ(url.to_string(), "data:text/html,test");
}
TEST_CASE(data_url_encoded)
{
URL url("data:text/html,Hello%20friends%2C%0X%X0");
EXPECT_EQ(url.is_valid(), true);
EXPECT_EQ(url.protocol(), "data");
EXPECT_EQ(url.host(), "");
EXPECT_EQ(url.data_mime_type(), "text/html");
EXPECT_EQ(url.data_payload(), "Hello friends,%0X%X0");
// FIXME: Surely this should be URL-encoded again?!
EXPECT_EQ(url.to_string(), "data:text/html,Hello friends,%0X%X0");
}
TEST_CASE(data_url_base64_encoded)
{
URL url("data:text/html;base64,test");
@ -182,6 +195,7 @@ TEST_CASE(data_url_base64_encoded)
EXPECT_EQ(url.protocol(), "data");
EXPECT_EQ(url.host(), "");
EXPECT_EQ(url.data_mime_type(), "text/html");
EXPECT_EQ(url.data_payload(), "test");
EXPECT_EQ(url.to_string(), "data:text/html;base64,test");
}

2
AK/URLParser.cpp
View file

@ -57,7 +57,7 @@ String urldecode(const StringView& input)
builder.append(consume());
continue;
}
if (!is_ascii_hex_digit(peek(1)) && !is_ascii_hex_digit(peek(2))) {
if (!is_ascii_hex_digit(peek(1)) || !is_ascii_hex_digit(peek(2))) {
builder.append(consume());
continue;
}