MediaUserAuth.cc

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/*---------------------------------------------------------------------\
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|                         /_____||_| |_| |_|                           |
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\---------------------------------------------------------------------*/
#include <list>
#include <curl/curl.h>

#include "zypp/base/Gettext.h"
#include "zypp/base/String.h"

#include "zypp/media/MediaException.h"
#include "zypp/media/MediaUserAuth.h"


using namespace std;

namespace zypp {
  namespace media {


AuthData::AuthData(const Url & url)
  : _url(url)
{
  _username = url.getUsername();
  _password = url.getPassword();
}


bool AuthData::valid() const
{
  return username().size() && password().size();
}

std::ostream & AuthData::dumpOn( std::ostream & str ) const
{
  if (_url.isValid())
    str << "[" << _url.asString( url::ViewOptions() - url::ViewOptions::WITH_USERNAME - url::ViewOptions::WITH_PASSWORD ) << "]" << endl;
  else
    str << "[<no-url>]" << endl;
  str << "username: '" << _username << "'" << std::endl
      << "password: " << (_password.empty() ? "<empty>" : "<non-empty>");
  return str;
}

std::ostream & AuthData::dumpAsIniOn( std::ostream & str ) const
{
  if (_url.isValid())
    str
      << "[" << _url.asString(
        url::ViewOptions()
        - url::ViewOptions::WITH_USERNAME
        - url::ViewOptions::WITH_PASSWORD)
      << "]" << endl;

  str
    << "username = " << _username << endl
    << "password = " << _password << endl;

  return str;
}

CurlAuthData::CurlAuthData()
  : AuthData()
  , _auth_type_str()
  , _auth_type(CURLAUTH_NONE)
{}

CurlAuthData::CurlAuthData(const AuthData & authData)
  : AuthData(authData)
  , _auth_type_str()
  , _auth_type(CURLAUTH_NONE)
{}

bool CurlAuthData::valid() const
{
  return username().size() && password().size();
}

std::ostream & CurlAuthData::dumpOn( std::ostream & str ) const
{
  AuthData::dumpOn(str) << endl
  << " auth_type: " << _auth_type_str << " (" << _auth_type << ")";
  return str;
}

long CurlAuthData::auth_type_str2long(std::string & auth_type_str)
{
  curl_version_info_data *curl_info = curl_version_info(CURLVERSION_NOW);

  std::vector<std::string>                  list;
  std::vector<std::string>::const_iterator  it;
  long                                      auth_type = CURLAUTH_NONE;

  zypp::str::split(auth_type_str, std::back_inserter(list), ",");

  for(it = list.begin(); it != list.end(); ++it)
  {
    if(*it == "basic")
    {
      auth_type |= CURLAUTH_BASIC;
    }
    else
    if(*it == "digest")
    {
      auth_type |= CURLAUTH_DIGEST;
    }
    else
    if((curl_info && (curl_info->features & CURL_VERSION_NTLM)) &&
       (*it == "ntlm"))
    {
      auth_type |= CURLAUTH_NTLM;
    }
    else
    if((curl_info && (curl_info->features & CURL_VERSION_SPNEGO)) &&
       (*it == "spnego" || *it == "negotiate"))
    {
      // there is no separate spnego flag for this auth type
      auth_type |= CURLAUTH_GSSNEGOTIATE;
    }
    else
    if((curl_info && (curl_info->features & CURL_VERSION_GSSNEGOTIATE)) &&
       (*it == "gssnego" || *it == "negotiate"))
    {
      auth_type |= CURLAUTH_GSSNEGOTIATE;
    }
    else
    {
      ZYPP_THROW(MediaException(str::Format(_("Unsupported HTTP authentication method '%s'")) % *it));
    }
  }

  return auth_type;
}

std::string CurlAuthData::auth_type_long2str(long auth_type)
{
  std::list<std::string> auth_list;

  if(auth_type & CURLAUTH_GSSNEGOTIATE)
    auth_list.push_back("negotiate");

  if(auth_type & CURLAUTH_NTLM)
    auth_list.push_back("ntlm");

  if(auth_type & CURLAUTH_DIGEST)
    auth_list.push_back("digest");

  if(auth_type & CURLAUTH_BASIC)
    auth_list.push_back("basic");

  return str::join(auth_list, ",");
}


std::ostream & operator << (std::ostream & str, const AuthData & auth_data)
{
  auth_data.dumpOn(str);
  return str;
}

std::ostream & operator << (std::ostream & str, const CurlAuthData & auth_data)
{
  auth_data.dumpOn(str);
  return str;
}


  } // namespace media
} // namespace zypp