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escape string fixes

This commit is contained in:
Arvid Norberg 2009-09-05 01:08:56 +00:00
parent 49f54a6f7f
commit c7b1d7e7d6
3 changed files with 41 additions and 5 deletions
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2
include/libtorrent/escape_string.hpp
View File

@ -61,6 +61,8 @@ namespace libtorrent
// it will be encoded
std::string TORRENT_EXPORT maybe_url_encode(std::string const& url);
bool TORRENT_EXPORT need_encoding(char const* str, int len);
// encodes a string using the base64 scheme
TORRENT_EXPORT std::string base64encode(std::string const& s);
TORRENT_EXPORT std::string base64decode(std::string const& s);

19
src/escape_string.cpp
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@ -179,10 +179,19 @@ namespace libtorrent
// http://www.ietf.org/rfc/rfc2396.txt
// section 2.3
// some trackers seems to require that ' is escaped
static const char unreserved_chars[] = "%'/-_.!~*()"
static const char unreserved_chars[] =
// when determining if a url needs encoding
// % should be ok
"%+"
// reserved
";?:@=&/"
// unreserved (special characters) ' excluded,
// since some buggy trackers fail with those
"$-_.!~*(),"
// unreserved (alphanumerics)
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
"0123456789";
static const char hex_chars[] = "0123456789abcdef";
// the offset is used to ignore the first characters in the unreserved_chars table.
@ -213,15 +222,15 @@ namespace libtorrent
std::string escape_string(const char* str, int len)
{
return escape_string_impl(str, len, 3);
return escape_string_impl(str, len, 9);
}
std::string escape_path(const char* str, int len)
{
return escape_string_impl(str, len, 2);
return escape_string_impl(str, len, 8);
}
static bool need_encoding(char const* str, int len)
bool need_encoding(char const* str, int len)
{
for (int i = 0; i < len; ++i)
{

25
test/test_primitives.cpp
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@ -519,6 +519,31 @@ int test_main()
TEST_CHECK(*url_has_argument("http://127.0.0.1/test?foo=24&bar=23&a=e", "a") == "e");
TEST_CHECK(!url_has_argument("http://127.0.0.1/test?foo=24&bar=23&a=e", "b"));
// escape_string
char const* test_string = "!@#$%^&*()-_=+/,. %?";
TEST_CHECK(escape_string(test_string, strlen(test_string))
== "!%40%23$%25%5e%26*()-_%3d%2b%2f,.%20%25%3f");
// escape_path
TEST_CHECK(escape_path(test_string, strlen(test_string))
== "!%40%23$%25%5e%26*()-_%3d%2b/,.%20%25%3f");
// need_encoding
char const* test_string2 = "!@$&()-_/,.%?";
TEST_CHECK(need_encoding(test_string, strlen(test_string)) == true);
TEST_CHECK(need_encoding(test_string2, strlen(test_string2)) == false);
TEST_CHECK(need_encoding("\n", 1) == true);
// maybe_url_encode
TEST_CHECK(maybe_url_encode("http://bla.com/\n") == "http://bla.com:80/%0a");
std::cerr << maybe_url_encode("http://bla.com/\n") << std::endl;
TEST_CHECK(maybe_url_encode("?&") == "?&");
// unescape_string
TEST_CHECK(unescape_string(escape_string(test_string, strlen(test_string)), ec)
== test_string);
std::cerr << unescape_string(escape_string(test_string, strlen(test_string)), ec) << std::endl;
// HTTP request parser
http_parser parser;