src/test_filter_rewrite.cpp

   1 /* This file is part of Metaproxy.
   2    Copyright (C) 2005-2013 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 "config.hpp"
  20 #include <iostream>
  21 #include <stdexcept>
  22
  23 #include "filter_http_client.hpp"
  24 #include "filter_http_rewrite.hpp"
  25 #include <metaproxy/util.hpp>
  26 #include <metaproxy/router_chain.hpp>
  27 #include <metaproxy/package.hpp>
  28
  29 #include <boost/regex.hpp>
  30 #include <boost/lexical_cast.hpp>
  31
  32 #include <yaz/log.h>
  33
  34 #define BOOST_AUTO_TEST_MAIN
  35 #define BOOST_TEST_DYN_LINK
  36
  37 #include <boost/test/auto_unit_test.hpp>
  38
  39 using namespace boost::unit_test;
  40 namespace mp = metaproxy_1;
  41
  42 BOOST_AUTO_TEST_CASE( test_filter_rewrite_1 )
  43 {
  44     try
  45     {
  46         std::cout << "Running non-xml config test case" << std::endl;
  47         mp::RouterChain router;
  48         mp::filter::HttpRewrite fhr;
  49
  50         std::string xmlconf =
  51             "<?xml version='1.0'?>\n"
  52             "<filter xmlns='http://indexdata.com/metaproxy'\n"
  53             "        id='rewrite1' type='http_rewrite'>\n"
  54             " <request verbose=\"1\">\n"
  55             "  <rule name=\"null\"/>\n"
  56             "  <rule name=\"url\">\n"
  57             "     <rewrite from='"
  58     "(?&lt;proto>https?://)(?&lt;pxhost>[^ /?#]+)/(?&lt;pxpath>[^ /]+)"
  59     "/(?&lt;host>[^ /]+)(?&lt;path>[^ ]*)'\n"
  60             "            to='${proto}${host}${path}' />\n"
  61             "     <rewrite from='(?:Host: )(.*)'\n"
  62             "            to='Host: ${host}' />\n"
  63             "  </rule>\n"
  64             "  <content type=\"headers\">\n"
  65             "    <within header=\"link\" rule=\"null\"/>\n"
  66             "    <within reqline=\"1\" rule=\"url\"/>\n"
  67             "  </content>\n"
  68             " </request>\n"
  69             " <response verbose=\"1\">\n"
  70             "  <rule name=\"null\"/>\n"
  71             "  <rule name=\"url\">\n"
  72             "     <rewrite from='foo' to='bar'/>\n"
  73             "     <rewrite from='^cx' to='cy'/>\n"
  74             "     <rewrite from='"
  75     "(?&lt;proto>https?://)(?&lt;host>[^/?# &quot;&apos;>]+)/(?&lt;path>[^  &quot;&apos;>]+)'\n"
  76             "            to='${proto}${pxhost}/${pxpath}/${host}/${path}' />\n"
  77             "  </rule>\n"
  78             "  <content type=\"headers\">\n"
  79             "    <within header=\"link\" rule=\"url\"/>\n"
  80             "  </content>\n"
  81             "  <content type=\"html\" mime=\"text/xml|text/html\">\n"
  82             "    <within tag=\"body\" attr=\"background\" rule=\"null\"/>\n"
  83             "    <within tag=\"script\" attr=\"#text\" rule=\"url\"/>\n"
  84             "    <within tag=\"style\" attr=\"#text\" rule=\"url\"/>\n"
  85             "    <within attr=\"href,src\" rule=\"url\"/>\n"
  86             "  </content>\n"
  87             " </response>\n"
  88             "</filter>\n"
  89         ;
  90
  91         std::cout << xmlconf;
  92
  93         // reading and parsing XML conf
  94         xmlDocPtr doc = xmlParseMemory(xmlconf.c_str(), xmlconf.size());
  95         BOOST_CHECK(doc);
  96         xmlNode *root_element = xmlDocGetRootElement(doc);
  97         fhr.configure(root_element, true, "");
  98         xmlFreeDoc(doc);
  99
 100         router.append(fhr);
 101
 102         // create an http request
 103         mp::Package pack;
 104
 105         mp::odr odr;
 106         Z_GDU *gdu_req = z_get_HTTP_Request_uri(odr,
 107         "http://proxyhost/proxypath/targetsite/page1.html", 0, 1);
 108
 109         pack.request() = gdu_req;
 110
 111         //create the http response
 112
 113         const char *resp_buf =
 114             "HTTP/1.1 200 OK\r\n"
 115             "Content-Length: 441\r\n"
 116             "Content-Type: text/html\r\n"
 117             "Link: <http://targetsite/file.xml>; rel=absolute\r\n"
 118             "Link: </dir/file.xml>; rel=relative\r\n"
 119             "\r\n"
 120             "<html><head><title>Hello proxy!</title>"
 121             "<style>"
 122             "body {"
 123             "  background-image:url('http://targetsite/images/bg.png');"
 124             "}"
 125             "</style>"
 126             "</head>"
 127             "<script>var jslink=\"http://targetsite/webservice.xml\";"
 128             "var some=foo;"
 129             "</script>"
 130             "<body>"
 131             "<p>Welcome to our website. It doesn't make it easy to get pro"
 132             "xified"
 133             "<a href=\"http://targetsite/page2.html\">"
 134             "  An absolute link</a>"
 135             "<a target=_blank href=\"http://targetsite/page3.html\">"
 136             "  Another abs link</a>"
 137             "<a href=\"/docs/page4.html\" />"
 138             "<a href=\"cxcx\" />"
 139             "<a href=\"cx \" />"
 140             "</body></html>";
 141
 142         const char *resp_expected =
 143             "HTTP/1.1 200 OK\r\n"
 144             "Content-Length: 564\r\n"
 145             "Content-Type: text/html\r\n"
 146             "Link: <http://proxyhost/proxypath/targetsite/file.xml>; rel=absolute\r\n"
 147             "Link: </dir/file.xml>; rel=relative\r\n"
 148             "\r\n"
 149             "<html><head><title>Hello proxy!</title>"
 150             "<style>"
 151             "body {"
 152             "  background-image:url('http://proxyhost/proxypath/targetsite/images/bg.png');"
 153             "}"
 154             "</style>"
 155             "</head>"
 156             "<script>var jslink=\"http://proxyhost/proxypath/targetsite/webservice.xml\";"
 157             "var some=bar;"
 158             "</script>"
 159             "<body>"
 160             "<p>Welcome to our website. It doesn't make it easy to get pro"
 161             "xified"
 162             "<a href=\"http://proxyhost/proxypath/targetsite/page2.html\">"
 163             "  An absolute link</a>"
 164             "<a target=_blank href=\"http://proxyhost/proxypath/targetsite/page3.html\">"
 165             "  Another abs link</a>"
 166             "<a href=\"/docs/page4.html\"/>"
 167             "<a href=\"cycx\"/>"
 168             "<a href=\"cy \"/>"
 169             "</body></html>";
 170
 171         Z_GDU *gdu_res;
 172         mp::odr dec(ODR_DECODE);
 173         mp::odr enc(ODR_ENCODE);
 174         odr_setbuf(dec, (char *) resp_buf, strlen(resp_buf), 0);
 175         int r = z_GDU(dec, &gdu_res, 0, 0);
 176
 177         BOOST_CHECK(r);
 178         if (r)
 179         {
 180             BOOST_CHECK_EQUAL(gdu_res->which, Z_GDU_HTTP_Response);
 181
 182             pack.response() = gdu_res;
 183
 184             //feed to the router
 185             pack.router(router).move();
 186
 187             //analyze the response
 188             Z_GDU *gdu_res_rew = pack.response().get();
 189             BOOST_CHECK(gdu_res_rew);
 190             BOOST_CHECK_EQUAL(gdu_res_rew->which, Z_GDU_HTTP_Response);
 191
 192             Z_HTTP_Response *hres = gdu_res_rew->u.HTTP_Response;
 193             BOOST_CHECK(hres);
 194
 195             z_GDU(enc, &gdu_res_rew, 0, 0);
 196             char *resp_result;
 197             int resp_result_len;
 198             resp_result = odr_getbuf(enc, &resp_result_len, 0);
 199
 200             int equal = ((size_t) resp_result_len == strlen(resp_expected))
 201                 && !memcmp(resp_result, resp_expected, resp_result_len);
 202             BOOST_CHECK(equal);
 203
 204             if (!equal)
 205             {
 206                 //compare buffers
 207                 std::cout << "Expected result:\n" << resp_expected << "\n";
 208                 std::cout << "Got result:\n" << "\n";
 209                 fflush(stdout);
 210                 fwrite(resp_result, 1, resp_result_len, stdout);
 211                 fflush(stdout);
 212                 std::cout << "\nGot result buf len: " << resp_result_len
 213                           << "\n";
 214             }
 215         }
 216     }
 217     catch (std::exception & e) {
 218         std::cout << e.what();
 219         std::cout << std::endl;
 220         BOOST_CHECK (false);
 221     }
 222 }
 223
 224
 225 /*
 226  * Local variables:
 227  * c-basic-offset: 4
 228  * c-file-style: "Stroustrup"
 229  * indent-tabs-mode: nil
 230  * End:
 231  * vim: shiftwidth=4 tabstop=8 expandtab
 232  */
 233