HttpHeader.cpp

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#include <wchar.h>          // wcsftime
#include <dcl/Object.h>
 
#if __DCL_HAVE_ALLOC_DEBUG
#undef __DCL_ALLOC_LEVEL
#define __DCL_ALLOC_LEVEL   __DCL_ALLOC_INTERNAL
#endif
 
#include <dcl/HttpHeader.h>
#include <dcl/DateTime.h>
#include <dcl/Numeric.h>
 
#if __DCL_HAVE_THIS_FILE__
#undef __THIS_FILE__
static const wchar_t* __THIS_FILE__ = __T("dcl/HttpHeader.cpp");
#endif
 
__DCL_BEGIN_NAMESPACE
 
String HttpHeader::toString() const
{
    return __name + __T(": ") + __content;
}
 
#ifdef RFC2109
HttpSetCookie::HttpSetCookie(
    const wchar_t* _name, 
    const wchar_t* _value   /* = NULL */,
    const wchar_t* _comment /* = NULL */,
    const wchar_t* _domain  /* = NULL */,
    int _maxAge             /* = 0 */,      // 초 단위
    const wchar_t* _path        /* = NULL */,
    bool _secure            /* = false */,
    int nVersion            /* = 1 */
) : HttpHeader(L"Set-Cookie")
{
    __DCL_ASSERT(_name != NULL);
 
    StringBuilder sb = _name;
    sb += L"=";
    if (_value == NULL) {
        sb += L"deleted";
    }
    else {
        sb += _value;
 
        if (_comment) {
            sb += L"; Comment=";
            sb += _comment;
        }
        if (_domain) {
            sb += L"; Domain=";
            sb += _domain;
        }
        if (_maxAge > 0) {
            sb += L"; Max-Age=";
            sb += Int32::toString(_maxAge);
        }
        if (_path) {
            sb += L"; Path=";
            sb += _path;
        }
        if (_secure) {
            sb += L"; Secure";
        }
        if (nVersion > 0) {
            sb += L"; Version=";
            sb += Int32::toString(nVersion);
        }
    }
 
    __content = sb.toString();
}
 
#endif  // RFC2109
 
static String __GetGmtStr(time_t time)
{
    struct tm t;
#ifdef __WINNT__
    __DCL_VERIFY(gmtime_s(&t, &time) == 0);
#else
    __DCL_VERIFY(gmtime_r(&time, &t) != NULL);
#endif
 
    CharBuffer* buf = CharBuffer::create(DATETIME_FORMAT_BUFFER_SIZE);
    size_t n = wcsftime(buf->data(), DATETIME_FORMAT_BUFFER_SIZE,
        L"%a, %d %b %Y %H:%M:%S GMT", &t);
    __DCL_ASSERT(buf->__allocLength >= n);
    buf->__dataLength = n;
 
    String r = buf;
    buf->release();
    return r;
}
 
HttpSetCookie::HttpSetCookie(
    const wchar_t* _name, 
    const wchar_t* _value   /* = NULL */,
    time_t _expires         /* = 0 */,
    const wchar_t* _path    /* = NULL */,
    const wchar_t* _domain  /* = NULL */,
    bool _secure            /* = false */
) : HttpHeader(L"Set-Cookie")
{
    __DCL_ASSERT(_name != NULL);
 
    StringBuilder sb = _name;
    sb += L"=";
    if (_value == NULL) {
        // MSIE에서 null-value를 가지는 쿠키를 지우지 못한다
        // 1년 1초 전의 시간을 할당하여 쿠키를 삭제한다.
        sb += L"deleted";
        sb += L"; Expires=";
        sb += __GetGmtStr(time(NULL) - 31536001);
    }
    else {
        sb += _value;
        if (_expires > 0) {
            sb += L"; Expires=";
            sb += __GetGmtStr(_expires);
        }
        if (_path) {
            sb += L"; Path=";
            sb += _path;
        }
        if (_domain) {
            sb += L"; Domain=";
            sb += _domain;
        }
        if (_secure) {
            sb += L"; Secure";
        }
    }
 
    __content = sb.toString();
}
 
HttpExpires::HttpExpires(time_t _expires)
    : HttpHeader(L"Expires")
{
    __content = __GetGmtStr(_expires);
}
 
__DCL_END_NAMESPACE