src/torus.cpp

   1 /* This file is part of Metaproxy.
   2    Copyright (C) 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 &query,
  33                            const std::string &realm,
  34                            const std::string &proxy)
  35 {
  36     // http://mk2.indexdata.com/torus2/searchable/records/?query=udb%3d%db
  37     // or
  38     // http://mk2.indexdata.com/torus2/searchable/records/?query=%query
  39     xmlDoc *doc = 0;
  40     size_t found;
  41
  42     found = url_template.find("%query");
  43     if (found != std::string::npos)
  44         url_template.replace(found, 6, mp::util::uri_encode(query));
  45
  46     found = url_template.find("%db");
  47     if (found != std::string::npos)
  48         url_template.replace(found, 3, mp::util::uri_encode(db));
  49
  50     found = url_template.find("%realm");
  51     if (found != std::string::npos)
  52         url_template.replace(found, 6, mp::util::uri_encode(realm));
  53
  54     Z_HTTP_Header *http_headers = 0;
  55     mp::odr odr;
  56
  57     z_HTTP_header_add(odr, &http_headers, "Accept","application/xml");
  58
  59     yaz_url_t url_p = yaz_url_create();
  60     if (proxy.length())
  61         yaz_url_set_proxy(url_p, proxy.c_str());
  62
  63     Z_HTTP_Response *http_response = yaz_url_exec(url_p,
  64                                                   url_template.c_str(),
  65                                                   "GET",
  66                                                   http_headers,
  67                                                   0, /* content buf */
  68                                                   0  /* content_len */
  69         );
  70     if (http_response && http_response->code == 200 &&
  71         http_response->content_buf)
  72     {
  73         doc = xmlParseMemory(http_response->content_buf,
  74                              http_response->content_len);
  75         if (doc)
  76             package.log("zoom", YLOG_LOG, "Torus: %s OK",
  77                         url_template.c_str());
  78         else
  79             package.log("zoom", YLOG_WARN, "Torus: %s FAIL. XML parse failed",
  80                         url_template.c_str());
  81     }
  82     else
  83     {
  84         if (http_response)
  85         {
  86             package.log("zoom", YLOG_WARN, "Torus: %s FAIL. HTTP code %d",
  87                         url_template.c_str(), http_response->code);
  88         }
  89         else
  90             package.log("zoom", YLOG_WARN, "Torus: %s FAIL. No HTTP response",
  91                         url_template.c_str());
  92     }
  93
  94     if (http_response && http_response->content_buf)
  95     {
  96         package.log("zoom", YLOG_LOG, "HTTP content");
  97         package.log_write(http_response->content_buf,
  98                           http_response->content_len);
  99     }
 100     yaz_url_destroy(url_p);
 101     return doc;
 102 }
 103
 104 /*
 105  * Local variables:
 106  * c-basic-offset: 4
 107  * c-file-style: "Stroustrup"
 108  * indent-tabs-mode: nil
 109  * End:
 110  * vim: shiftwidth=4 tabstop=8 expandtab
 111  */
 112