tagging tags

1 files changed, 384 insertions, 0 deletions

diff --git a/ychat-0.7.9.1/src/reqp.cpp b/ychat-0.7.9.1/src/reqp.cpp
new file mode 100755
index 0000000..cbd2705
--- /dev/null
+++ b/ychat-0.7.9.1/src/reqp.cpp
@@ -0,0 +1,384 @@
+#ifndef REQP_CPP
+#define REQP_CPP
+
+#include "reqp.h"
+#include "tool/tool.h"
+
+using namespace std;
+
+#define HEADER HEADER1 HEADER2 HEADER3 HEADER4 HEADER9
+#define STREAM HEADER5 HEADER6
+
+const string reqp::s_http = HEADER;
+const string reqp::s_http_stream = STREAM;
+const string reqp::s_http_colength = HEADER7;
+const string reqp::s_http_cotype = HEADER8;
+
+reqp::reqp( )
+{}
+
+void
+reqp::get_request_parameters( string s_parameters, map<string,string>& map_params )
+{
+  string s_tmp;
+  unsigned i_pos, i_pos2;
+
+  while( (i_pos = s_parameters.find("&")) != string::npos )
+  {
+    s_tmp = s_parameters.substr(0, i_pos );
+
+    if ( (i_pos2 = s_tmp.find("=")) != string::npos )
+      map_params[ s_tmp.substr(0, i_pos2) ] = tool::replace( s_tmp.substr( i_pos2+1 ), "\\AND", "&");
+
+    s_parameters = s_parameters.substr( i_pos + 1 );
+  }
+
+  // Get the last request parameter, which does not have a "&" on the end!
+  if( (i_pos = s_parameters.find("=")) != string::npos )
+    map_params[ s_parameters.substr(0, i_pos) ] = s_parameters.substr( i_pos+1 );
+
+  //map<string,string>::iterator iter;
+  //for ( iter = map_params.begin(); iter != map_params.end(); ++iter )
+  //cout << ">>>" << iter->first << "=" << iter->second << endl;
+}
+
+string
+reqp::get_url( int &i_sock, string s_req, map<string, string> &map_params )
+{
+  unsigned i_pos, i_pos2;
+  string s_vars( "" );
+  string s_ret;
+  int i_req;
+
+  // GET request
+  if ( s_req.find("GET") != string::npos)
+  {
+    // Be sure that the GET request has minimum length
+    if ( s_req.length() > 5 )
+    {
+      // Get rid of "GET /"
+      if ( (i_pos = s_req.find("\n")) == string::npos )
+        i_pos = s_req.length() - 1;
+
+      s_req = s_req.substr(5, i_pos - 5);
+
+      // Get HTML site to be displayed
+      if ( (i_pos = s_req.find("?")) == string::npos )
+      {
+        if ( (i_pos2 = s_req.find(" HTTP")) != string::npos )
+          s_ret = url_decode( s_req.substr(0, i_pos2));
+      }
+      else
+      {
+        s_ret = url_decode( s_req.substr(0, i_pos) );
+
+        // Get request parameters:
+        if ( (i_pos2 = s_req.find(" HTTP")) != string::npos )
+        {
+          s_req = url_decode( s_req.substr(i_pos + 1, i_pos2 - i_pos - 1) );
+          get_request_parameters( s_req, map_params );
+        }
+      }
+
+    }
+  }
+
+  // POST request
+  else
+  {
+    if ( (i_pos2 = s_req.find("HTTP")) != string::npos )
+    {
+      if ( 13 < i_pos2 )
+      {
+        s_ret = url_decode( s_req.substr(6,i_pos2-7) );
+
+        int i_len  = s_ret.length();
+        int i_len2 = s_req.length()-1;
+
+        s_req = s_req.substr( i_len < i_len2 ? i_len : i_len2 );
+
+        if ( (i_pos = s_req.find("event=")) == string::npos)
+        {
+          char c_req[POSTBUF];
+          i_len = read(i_sock, c_req, POSTBUF);
+          s_req = c_req;
+          s_req = s_req.substr(0, i_len);
+
+          if ( (i_pos = s_req.find("event=")) != string::npos )
+            get_request_parameters( url_decode( s_req.substr(i_pos) ), map_params );
+        }
+        else
+        {
+          get_request_parameters( url_decode( s_req.substr(i_pos) ), map_params );
+        }
+      }
+    }
+  }
+
+#ifdef VERBOSE
+  wrap::system_message( REQUEST + s_ret );
+#endif
+
+  if ( s_ret.empty() )
+    s_ret = wrap::CONF->get_elem( "httpd.startsite" );
+
+  else
+    s_ret = remove_dots(s_ret);
+
+  map_params["request"] = s_ret;
+
+  return s_ret;
+}
+
+string
+reqp::get_content_type( string s_file )
+{
+  string s_ext(tool::get_extension( s_file ));
+
+  if( s_ext == "" )
+    s_ext = "default";
+
+  return wrap::CONF->get_elem( "httpd.contenttypes." + s_ext );
+}
+
+void
+reqp::parse_headers( string s_req, map<string,string> &map_params )
+{
+  int pos = s_req.find("\n");
+
+  if (pos != string::npos)
+  {
+    map_params["QUERY_STRING"] = tool::trim(s_req.substr(0,pos-1));
+
+    int pos2;
+    do
+    {
+      string s_line( s_req.substr(0, pos) );
+      pos2 = s_line.find(":");
+
+      if (pos2 != string::npos && s_line.length() > pos2+1)
+        map_params[ tool::trim(s_line.substr(0, pos2)) ] = tool::trim(s_line.substr(pos2+1));
+
+      s_req = s_req.substr( s_line.size() + 1 );
+      pos = s_req.find("\n");
+    }
+    while( pos != string::npos);
+  } // if
+}
+
+int
+reqp::htoi(string *p_str)
+{
+  int value, c;
+  c = p_str->at(0);
+
+  if( isupper(c) )
+    c = tolower(c);
+
+  value = (c >= '0' && c <= '9' ? c - '0' : c - 'a' + 10) * 16;
+
+  c = p_str->at(1);
+
+  if( isupper(c) )
+    c = tolower(c);
+
+  value += c >= '0' && c <= '9' ? c - '0' : c - 'a' + 10;
+
+  return value;
+}
+
+string
+reqp::url_decode( string s_url )
+{
+  string s_dest = "";
+  int i_len = s_url.size();
+  int i_prv = i_len - 2;
+
+  char c;
+  for( int i = 0; i < i_len; ++i)
+  {
+    c = s_url.at(i);
+    if( c == '+' )
+    {
+      s_dest += " ";
+    }
+    else if (c == '%' && i < i_prv)
+    {
+      string s_tmp = s_url.substr(i+1, 2);
+      c = (char) htoi(&s_tmp);
+      s_dest += c;
+      i += 2;
+    }
+    else
+    {
+      s_dest += c;
+    }
+  }
+
+  return s_dest;
+}
+
+string
+reqp::get_from_header( string s_req, string s_hdr )
+{
+  unsigned i_pos[2];
+  if ( (i_pos[0] = s_req.find( s_hdr, 0 )) == string::npos )
+    return "";
+
+  if ( (i_pos[1] = s_req.find( "\n", i_pos[0]) ) == string::npos )
+    return "";
+
+  unsigned i_len = s_hdr.length();
+  return s_req.substr( i_pos[0] + i_len, i_pos[1] - i_pos[0] - i_len - 1 );
+}
+
+string
+reqp::parse( int &i_sock, string s_req, map<string,string> &map_params )
+{
+  // store all request informations in map_params. store the url in
+  // map_params["request"].
+  get_url( i_sock, s_req, map_params );
+
+  parse_headers( s_req, map_params );
+  string s_event( map_params["event"] );
+
+  map_params["content-type"] = get_content_type( map_params["request"] );
+
+  string s_rep( "" );
+
+  //<<*
+  // check the event variable.
+  if ( ! s_event.empty() )
+  {
+    // login procedure.
+    if ( s_event == "login" )
+    {
+      wrap::CHAT->login( map_params );
+    }
+    else if ( s_event == "register" )
+    {
+      user* p_user = new user;
+      map_params["INFO"] = "";
+      run_html_mod( s_event, map_params, p_user );
+      wrap::GCOL->add_user_to_garbage( p_user );
+    }
+    else
+    {
+      sess *p_sess = wrap::SMAN->get_session( map_params["tmpid"] );
+      user *p_user = NULL;
+
+      if( p_sess != NULL )
+      {
+        p_user = p_sess->get_user();
+      }
+      else
+      {
+	wrap::system_message(SESSERR);
+        return s_rep;
+      }
+
+      if ( ! p_user )
+      {
+        map_params["INFO"]    = wrap::CONF->get_elem( "chat.msgs.err.notonline" );
+        map_params["request"] = wrap::CONF->get_elem( "httpd.startsite" ); // redirect to the startpage.
+      }
+      else
+      {
+        map_params["nick"] = p_user->get_name().c_str();
+
+        // if a message input.
+        if ( s_event == "input" )
+        {
+          if ( p_user )
+          {
+            p_user->check_restore_away();
+            wrap::CHAT->post( p_user, map_params );
+          }
+        }
+
+        // if a chat stream
+        else if ( s_event == "stream" )
+        {
+          string s_msg ( wrap::HTML->parse( map_params ) );
+          p_user->msg_post( &s_msg);
+          wrap::SOCK->chat_stream( i_sock, p_user, map_params );
+        }
+
+        // if a request for the online list of the active room.
+        else if ( s_event == "online" )
+        {
+          wrap::HTML->online_list( p_user, map_params );
+        }
+        else //if ( s_event != "input" )
+        {
+          run_html_mod( s_event, map_params, p_user );
+        }
+      }
+    }
+  }
+  //*>>
+
+  if ( wrap::CONF->get_elem("httpd.enablecgi").compare("true") == 0 &&
+       string::npos != map_params["request"].find(".cgi") )
+  {
+    s_rep.append( tool::shell_command(
+                    wrap::CONF->get_elem("httpd.templatedir") + map_params["request"],
+                    METH_RETSTRING ) );
+  }
+  else
+  {
+    // parse and get the requested html-template and also use
+    // the values stored in map_params for %%KEY%% substituations.
+    s_rep.append( wrap::HTML->parse( map_params ) );
+  }
+
+  // create the http header.
+
+  string s_resp(s_http);
+  if ( s_event.compare("stream") == 0 )
+    s_resp.append( s_http_stream );
+
+  s_resp.append( s_http_colength + tool::int2string(s_rep.size()) + "\n" +
+                 s_http_cotype + map_params["content-type"] + "\r\n\r\n" );
+
+  s_resp.append(s_rep);
+
+
+  // return the parsed html-template.
+  return  s_resp;
+}
+
+//<<*
+void
+reqp::run_html_mod( string s_event, map<string,string> &map_params, user* p_user )
+{
+  container *c = new container;
+
+  c->elem[0] = (void*) wrap::WRAP;
+  c->elem[1] = (void*) &map_params;
+  c->elem[2] = (void*) p_user;
+
+  string s_mod = wrap::CONF->get_elem("httpd.modules.htmldir") + "yc_" + s_event + ".so";
+
+  dynmod* p_module = wrap::MODL->get_module( s_mod, p_user->get_name() );
+
+  if ( p_module != NULL )
+    ( *( p_module->the_func ) ) ( static_cast<void*>(c) );
+
+  delete c;
+}
+//*>>
+
+string
+reqp::remove_dots( string s_ret )
+{
+  // remove ".." from the request.
+  unsigned pos;
+
+  if( (pos = s_ret.find( ".." )) != string::npos)
+    return s_ret.substr(0, pos);
+
+  return s_ret;
+}
+
+#endif