src/torus.cpp

   1 /* This file is part of Metaproxy.
   2    Copyright (C) 2005-2012 Index Data
   3
   4 Metaproxy is free software; you can redistribute it and/or modify it under
   5 the terms of the GNU General Public License as published by the Free
   6 Software Foundation; either version 2, or (at your option) any later
   7 version.
   8
   9 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
  10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17 */
  18
  19 #include <metaproxy/xmlutil.hpp>
  20
  21 #include <string.h>
  22 #include <yaz/wrbuf.h>
  23 #include <yaz/log.h>
  24 #include <yaz/url.h>
  25 #include <metaproxy/util.hpp>
  26 #include "torus.hpp"
  27
  28 namespace mp = metaproxy_1;
  29
  30 xmlDoc *mp::get_searchable(mp::Package &package,
  31                            std::string url_template, const std::string &db,
  32                            const std::string &realm,
  33                            const std::string &proxy)
  34 {
  35     // http://newmk2.indexdata.com/torus2/searchable.ebsco/records/?query=udb=aberdeenUni
  36     xmlDoc *doc = 0;
  37     size_t found;
  38
  39     found = url_template.find("%db");
  40     if (found != std::string::npos)
  41         url_template.replace(found, 3, mp::util::uri_encode(db));
  42
  43     found = url_template.find("%realm");
  44     if (found != std::string::npos)
  45         url_template.replace(found, 6, mp::util::uri_encode(realm));
  46
  47     Z_HTTP_Header *http_headers = 0;
  48     mp::odr odr;
  49
  50     z_HTTP_header_add(odr, &http_headers, "Accept","application/xml");
  51
  52     yaz_url_t url_p = yaz_url_create();
  53     if (proxy.length())
  54         yaz_url_set_proxy(url_p, proxy.c_str());
  55
  56     Z_HTTP_Response *http_response = yaz_url_exec(url_p,
  57                                                   url_template.c_str(),
  58                                                   "GET",
  59                                                   http_headers,
  60                                                   0, /* content buf */
  61                                                   0  /* content_len */
  62         );
  63     if (http_response && http_response->code == 200 &&
  64         http_response->content_buf)
  65     {
  66         package.log("zoom", YLOG_LOG, "Torus: %s OK", url_template.c_str());
  67         doc = xmlParseMemory(http_response->content_buf,
  68                              http_response->content_len);
  69
  70     }
  71     else
  72     {
  73         package.log("zoom", YLOG_WARN, "Torus: %s FAIL", url_template.c_str());
  74         if (http_response)
  75         {
  76             package.log("zoom", YLOG_LOG, "HTTP code: %d", http_response->code);
  77         }
  78     }
  79
  80     if (http_response && http_response->content_buf)
  81     {
  82         package.log("zoom", YLOG_LOG, "HTTP content");
  83         package.log_write(http_response->content_buf,
  84                           http_response->content_len);
  85     }
  86     yaz_url_destroy(url_p);
  87     return doc;
  88 }
  89
  90 /*
  91  * Local variables:
  92  * c-basic-offset: 4
  93  * c-file-style: "Stroustrup"
  94  * indent-tabs-mode: nil
  95  * End:
  96  * vim: shiftwidth=4 tabstop=8 expandtab
  97  */
  98