Changeset 463 for trunk/gsdl/src/recpt/receptionist.cpp

Timestamp:

1999-08-20T12:59:01+12:00 (25 years ago)

Author:

sjboddie

Message:

-fixed up location redirection
-added some usage logging, also now set a GSDL_UID cookie. Logging
does NOT presently lock the log file while it's in use. That has yet
to be done.

File:

• trunk/gsdl/src/recpt/receptionist.cpp (modified) (7 diffs)

trunk/gsdl/src/recpt/receptionist.cpp

@@ -12 +12 @@
 /*
    $Log$
+   Revision 1.25  1999/08/20 00:59:01  sjboddie
+   -fixed up location redirection
+   -added some usage logging, also now set a GSDL_UID cookie. Logging
+   does NOT presently lock the log file while it's in use. That has yet
+   to be done.
+
    Revision 1.24  1999/08/13 04:16:42  sjboddie
    added some collection-level metadata stuff
@@ -114 +120 @@
 #include <assert.h>
 #include <time.h>
-
+#include <fstream.h>
 
 
@@ -191 +197 @@
   ainfo.savedarginfo = cgiarginfo::must;
   argsinfo.addarginfo (NULL, ainfo);
+
+  // the GSDL_UID (cookie)
+  ainfo.shortname = "z";
+  ainfo.longname = "gsdl uid";
+  ainfo.multiplechar = true;
+  ainfo.defaultstatus = cgiarginfo::none;
+  ainfo.argdefault = "";
+  ainfo.savedarginfo = cgiarginfo::mustnot;
+  argsinfo.addarginfo (NULL, ainfo);
+
 }
 
@@ -382 +398 @@
   add_default_args (argsinfo, args, logout);
 
+  // get the cookie
+  get_cookie(args["z"]);
   
   // get the input encoding
@@ -437 +455 @@
 }
 
+// returns true if cookie already existed, false
+// if it was generated
+bool receptionist::get_cookie (text_t &cookie) {
+
+  char *c = getenv("HTTP_COOKIE");
+  if (c != NULL) {
+    text_t cookiestring = c;
+    
+    text_t::const_iterator end = cookiestring.end();  
+    text_t::const_iterator here = findchar (cookiestring.begin(), end, 'G');
+    
+    if (substr(here, here+8) == "GSDL_UID") {
+      cookie = substr (here+9, findchar (here+9, end, ';')); 
+      return true;
+    }
+  }
+
+  char *host = getenv("REMOTE_ADDR");
+  time_t ttime = time(NULL);
+  if (host != NULL) {
+    cookie += host;
+    cookie.push_back ('-');
+  }
+  cookie += text_t(ttime);
+  
+  return false;
+}
+
+// as above but just tests if cookie exists
+bool receptionist::get_cookie () {
+
+  char *c = getenv("HTTP_COOKIE");
+  if (c != NULL) {
+    text_t cookiestring = c;
+    
+    text_t::const_iterator end = cookiestring.end();  
+    text_t::const_iterator here = findchar (cookiestring.begin(), end, 'G');
+    
+    if (substr(here, here+8) == "GSDL_UID")
+      return true;
+  }
+  return false;
+}
+
+bool receptionist::log_cgi_args (cgiargsclass &args, ostream &logout) {
+
+  outconvertclass text_t2ascii;
+
+  char *host;
+  host = getenv("REMOTE_HOST");
+  if (host == NULL) host = getenv ("REMOTE_ADDR");
+  char *browser = getenv("HTTP_USER_AGENT");
+  time_t ttime = time(NULL);
+
+  cgiargsclass::const_iterator args_here = args.begin();
+  cgiargsclass::const_iterator args_end = args.end();
+
+  text_t argstr;
+  bool first = true;
+  while (args_here != args_end) {
+    if (!first) argstr += ", ";
+    argstr += (*args_here).first + "=" + (*args_here).second.value;
+    first = false;
+    args_here ++;
+  }
+
+  text_t logfile = filename_cat (configinfo.gsdlhome, "etc");
+  logfile = filename_cat (logfile, "usage.txt");
+  char *lfile = logfile.getcstr();
+  
+  ofstream log (lfile, ios::app);
+  
+  if (!log) {
+    logout << "Error: Couldn't open file " << lfile << "\n";
+    delete lfile;
+    return false;
+  } 
+
+  log << text_t2ascii << host << " [" << ttime 
+      << "] (" << argstr << ") \"" << browser << "\"\n";
+    
+  log.close();
+        
+  delete lfile;
+  return true;
+}
 
 // produce_cgi_page will call get_cgihead_info and 
@@ -452 +556 @@
   get_cgihead_info (args, response, response_data, logout);
   if (response == location) {
-    // I've forgotten how to do this :-/
+    // location response
+    contentout << text_t2ascii << "Location: " << response_data << "\n\n";
+    contentout << flush;
     return true;
   } else if (response == content) {
@@ -501 +607 @@
       response_data += "; charset=ISO-8859-1";      
     }
+
+    // add cookie if required
+    if (!get_cookie())
+      response_data += "\nSet-Cookie: GSDL_UID=" + args["z"]
+    + "; expires=25-Dec-37 00:00:00 GMT";
+    
   }
 }