1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2013 Index Data
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
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
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
20 #include <metaproxy/filter.hpp>
21 #include <metaproxy/package.hpp>
22 #include <metaproxy/util.hpp>
24 #include "filter_http_client.hpp"
29 #include <boost/thread/mutex.hpp>
36 #include <sys/types.h>
43 namespace mp = metaproxy_1;
44 namespace yf = mp::filter;
46 namespace metaproxy_1 {
48 class HTTPClient::Rep {
49 friend class HTTPClient;
50 void proxy(mp::Package &package);
51 std::string proxy_host;
52 std::string default_host;
57 yf::HTTPClient::HTTPClient() : m_p(new Rep)
61 yf::HTTPClient::~HTTPClient()
65 void yf::HTTPClient::Rep::proxy(mp::Package &package)
67 Z_GDU *req_gdu = package.request().get();
68 if (req_gdu && req_gdu->which == Z_GDU_HTTP_Request)
70 Z_HTTP_Request *hreq = req_gdu->u.HTTP_Request;
73 yaz_url_t yaz_url = yaz_url_create();
74 const char *h = strchr(hreq->path, '/');
77 if (proxy_host.length())
78 yaz_url_set_proxy(yaz_url, proxy_host.c_str());
80 if (h > hreq->path+1 && !memcmp(h-1, "://", 3))
81 uri = hreq->path; /* we have a host already */
84 if (default_host.length())
85 uri = default_host + hreq->path;
87 Z_HTTP_Response *http_response = 0;
90 yaz_url_exec(yaz_url, uri.c_str(), hreq->method,
91 hreq->headers, hreq->content_buf,
95 res_gdu = o.create_HTTP_Response(package.session(), hreq, 200);
96 res_gdu->u.HTTP_Response = http_response;
100 res_gdu = o.create_HTTP_Response(package.session(), hreq, 404);
102 package.response() = res_gdu;
103 yaz_url_destroy(yaz_url);
109 void yf::HTTPClient::process(mp::Package &package) const
111 Z_GDU *gdu = package.request().get();
112 if (gdu && gdu->which == Z_GDU_HTTP_Request)
118 void mp::filter::HTTPClient::configure(const xmlNode * ptr, bool test_only,
121 for (ptr = ptr->children; ptr; ptr = ptr->next)
123 if (ptr->type != XML_ELEMENT_NODE)
125 else if (!strcmp((const char *) ptr->name, "proxy"))
127 m_p->proxy_host = mp::xml::get_text(ptr);
129 else if (!strcmp((const char *) ptr->name, "default-host"))
131 m_p->default_host = mp::xml::get_text(ptr);
132 if (m_p->default_host.find("://") == std::string::npos)
134 throw mp::filter::FilterException
135 ("default-host is missing method (such as http://)"
136 " in http_client filter");
141 throw mp::filter::FilterException
143 + std::string((const char *) ptr->name)
144 + " in http_client filter");
149 static mp::filter::Base* filter_creator()
151 return new mp::filter::HTTPClient;
155 struct metaproxy_1_filter_struct metaproxy_1_filter_http_client = {
166 * c-file-style: "Stroustrup"
167 * indent-tabs-mode: nil
169 * vim: shiftwidth=4 tabstop=8 expandtab