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ULib/examples/http_header/HttpBaAuthorization.cpp
stefanocasazza 1e58dc49d0 fix+sync
2018-04-27 19:27:14 +02:00

95 lines
2.3 KiB
C++

// HttpBaAuthorization.cpp
#include <HttpBaAuthorization.h>
#ifdef U_PROXY_UNIT
# include <Base64engine.h>
#else
# include <ulib/utility/base64.h>
#endif
HttpBaAuthorization::HttpBaAuthorization(const char* name_, unsigned name_len, const char* value_, unsigned value_len)
{
U_TRACE_CTOR(5, HttpBaAuthorization, "%.*S,%u,%.*S,%u", name_len, name_, name_len, value_len, value_, value_len)
U_INTERNAL_ASSERT(memcmp(name_, U_CONSTANT_TO_PARAM("Authorization")) == 0)
U_INTERNAL_ASSERT(memcmp(value_, U_CONSTANT_TO_PARAM(" Basic ")) == 0)
name.assign(name_, name_len);
unsigned len = value_len - (sizeof(" Basic ")-1);
const char* ptr = value_ + (sizeof(" Basic ")-1);
U_STR_RESERVE(buffer, len * 4);
#ifdef U_PROXY_UNIT
Base64engine eng;
long pos = eng.decode(ptr, len, (unsigned char*)buffer.data());
buffer.resize(pos);
#else
UBase64::decode(ptr, len, buffer);
if (buffer)
#endif
{
unsigned index = buffer.find(':');
if (index != unsigned(-1))
{
user = buffer.substr(0U, (uint32_t)index);
passwd = buffer.substr(index + 1);
}
}
}
void HttpBaAuthorization::stringify(UString& field)
{
U_TRACE(5, "HttpBaAuthorization::stringify(%.*S)", U_STRING_TO_TRACE(field))
UString tmp = user;
tmp += ':';
tmp += passwd;
unsigned n = tmp.size() * 4;
U_STR_RESERVE(buffer, n);
#ifdef U_PROXY_UNIT
Base64engine eng;
long pos = eng.encode((unsigned char*)tmp.data(), tmp.size(), (unsigned char*)buffer.data());
buffer.resize(pos);
#else
UBase64::encode(tmp, buffer);
#endif
field += name;
field.append(U_CONSTANT_TO_PARAM(": Basic "));
field += buffer;
field.append(U_CONSTANT_TO_PARAM("\r\n"));
U_INTERNAL_DUMP("field = %.*S", U_STRING_TO_TRACE(field))
}
// DEBUG
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* HttpBaAuthorization::dump(bool reset) const
{
HttpField::dump(false);
*UObjectIO::os << "\n"
<< "user (UString " << (void*)&user << ")\n"
<< "passwd (UString " << (void*)&passwd << ")\n"
<< "buffer (UString " << (void*)&buffer << ")";
if (reset)
{
UObjectIO::output();
return UObjectIO::buffer_output;
}
return U_NULLPTR;
}
#endif