mirror of
https://github.com/moparisthebest/spdylay
synced 2024-12-22 07:38:52 -05:00
130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
/*
|
|
* Spdylay - SPDY Library
|
|
*
|
|
* Copyright (c) 2012 Tatsuhiro Tsujikawa
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
#include "util.h"
|
|
|
|
#include <time.h>
|
|
|
|
#include <cstdio>
|
|
#include <cstring>
|
|
|
|
namespace spdylay {
|
|
|
|
namespace util {
|
|
|
|
const std::string DEFAULT_STRIP_CHARSET("\r\n\t ");
|
|
|
|
bool isAlpha(const char c)
|
|
{
|
|
return ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
|
|
}
|
|
|
|
bool isDigit(const char c)
|
|
{
|
|
return '0' <= c && c <= '9';
|
|
}
|
|
|
|
bool isHexDigit(const char c)
|
|
{
|
|
return isDigit(c) || ('A' <= c && c <= 'F') || ('a' <= c && c <= 'f');
|
|
}
|
|
|
|
bool inRFC3986UnreservedChars(const char c)
|
|
{
|
|
static const char unreserved[] = { '-', '.', '_', '~' };
|
|
return isAlpha(c) || isDigit(c) ||
|
|
std::find(&unreserved[0], &unreserved[4], c) != &unreserved[4];
|
|
}
|
|
|
|
std::string percentEncode(const unsigned char* target, size_t len)
|
|
{
|
|
std::string dest;
|
|
for(size_t i = 0; i < len; ++i) {
|
|
if(inRFC3986UnreservedChars(target[i])) {
|
|
dest += target[i];
|
|
} else {
|
|
char temp[4];
|
|
snprintf(temp, sizeof(temp), "%%%02X", target[i]);
|
|
dest.append(temp);
|
|
//dest.append(fmt("%%%02X", target[i]));
|
|
}
|
|
}
|
|
return dest;
|
|
}
|
|
|
|
std::string percentEncode(const std::string& target)
|
|
{
|
|
return percentEncode(reinterpret_cast<const unsigned char*>(target.c_str()),
|
|
target.size());
|
|
}
|
|
|
|
std::string percentDecode
|
|
(std::string::const_iterator first, std::string::const_iterator last)
|
|
{
|
|
std::string result;
|
|
for(; first != last; ++first) {
|
|
if(*first == '%') {
|
|
if(first+1 != last && first+2 != last &&
|
|
isHexDigit(*(first+1)) && isHexDigit(*(first+2))) {
|
|
std::string numstr(first+1, first+3);
|
|
result += strtol(numstr.c_str(), 0, 16);
|
|
first += 2;
|
|
} else {
|
|
result += *first;
|
|
}
|
|
} else {
|
|
result += *first;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
std::string http_date(time_t t)
|
|
{
|
|
char buf[32];
|
|
tm* tms = gmtime(&t); // returned struct is statically allocated.
|
|
size_t r = strftime(buf, sizeof(buf), "%a, %d %b %Y %H:%M:%S GMT", tms);
|
|
return std::string(&buf[0], &buf[r]);
|
|
}
|
|
|
|
time_t parse_http_date(const std::string& s)
|
|
{
|
|
tm tm;
|
|
memset(&tm, 0, sizeof(tm));
|
|
char* r = strptime(s.c_str(), "%a, %d %b %Y %H:%M:%S GMT", &tm);
|
|
if(r == 0) {
|
|
return 0;
|
|
}
|
|
return timegm(&tm);
|
|
}
|
|
|
|
bool endsWith(const std::string& a, const std::string& b)
|
|
{
|
|
return endsWith(a.begin(), a.end(), b.begin(), b.end());
|
|
}
|
|
|
|
} // namespace util
|
|
|
|
} // namespace spdylay
|