XRootD
XrdTpcUtils.cc
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1 //------------------------------------------------------------------------------
2 // This file is part of XrdTpcTPC
3 //
4 // Copyright (c) 2023 by European Organization for Nuclear Research (CERN)
5 // Author: Cedric Caffy <ccaffy@cern.ch>
6 // File Date: Oct 2023
7 //------------------------------------------------------------------------------
8 // XRootD is free software: you can redistribute it and/or modify
9 // it under the terms of the GNU Lesser General Public License as published by
10 // the Free Software Foundation, either version 3 of the License, or
11 // (at your option) any later version.
12 //
13 // XRootD is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
17 //
18 // You should have received a copy of the GNU Lesser General Public License
19 // along with XRootD. If not, see <http://www.gnu.org/licenses/>.
20 //------------------------------------------------------------------------------
21 #include "XrdTpcUtils.hh"
22 #include "XrdOuc/XrdOucTUtils.hh"
23 
24 #include <sstream>
25 
26 std::string XrdTpcUtils::prepareOpenURL(const std::string & reqResource, std::map<std::string,std::string> & reqHeaders, const std::map<std::string,std::string> & hdr2cgimap, bool & hasSetOpaque) {
27  auto iter = XrdOucTUtils::caseInsensitiveFind(reqHeaders,"xrd-http-query");
28  bool found_first_header = false;
29  std::stringstream opaque;
30 
31  if (iter != reqHeaders.end() && !iter->second.empty()) {
32  std::string token;
33  std::istringstream requestStream(iter->second);
34  auto has_authz_header = XrdOucTUtils::caseInsensitiveFind(reqHeaders,"authorization") != reqHeaders.end();
35  while (std::getline(requestStream, token, '&')) {
36  if (token.empty()) {
37  continue;
38  } else if (!strncmp(token.c_str(), "authz=", 6)) {
39  if (!has_authz_header) {
40  reqHeaders["Authorization"] = token.substr(6);
41  has_authz_header = true;
42  }
43  } else if (!strncmp(token.c_str(), "access_token=", 13) && !has_authz_header) {
44  reqHeaders["Authorization"] = token.substr(13);
45  has_authz_header = true;
46  } else {
47  opaque << (found_first_header ? "&" : "?") << token;
48  found_first_header = true;
49  }
50  }
51  }
52 
53  // Append CGI coming from the tpc.header2cgi parameter
54  for(auto & hdr2cgi : hdr2cgimap) {
55  auto it = std::find_if(reqHeaders.begin(),reqHeaders.end(),[&hdr2cgi](const auto & elt){
56  return !strcasecmp(elt.first.c_str(),hdr2cgi.first.c_str());
57  });
58  if(it != reqHeaders.end()) {
59  opaque << (found_first_header ? "&" : "?") << hdr2cgi.second << "=" << it->second;
60  found_first_header = true;
61  }
62  }
63  hasSetOpaque = found_first_header;
64  return reqResource + opaque.str();
65 }
void getline(uchar *buff, int blen)
static std::map< std::string, T >::const_iterator caseInsensitiveFind(const std::map< std::string, T > &m, const std::string &lowerCaseSearchKey)
Definition: XrdOucTUtils.hh:79
static std::string prepareOpenURL(const std::string &reqResource, std::map< std::string, std::string > &reqHeaders, const std::map< std::string, std::string > &hdr2cgimap, bool &hasSetOpaque)
Definition: XrdTpcUtils.cc:26