Merge branch 'master' of https://github.com/szmoore/MCTX3420.git

[matches/MCTX3420.git] / testing / fastcgi-approach / fastcgi.c

diff --git a/testing/fastcgi-approach/fastcgi.c b/testing/fastcgi-approach/fastcgi.c
index 298764d..a518c7a 100644 (file)
--- a/testing/fastcgi-approach/fastcgi.c
+++ b/testing/fastcgi-approach/fastcgi.c
@@ -1,14 +1,65 @@
 /**
  * @file fastcgi.c
  * @purpose Runs the FCGI request loop to handle web interface requests.
- * 
+ *
  * fcgi_stdio.h must be included before all else so the stdio function
  * redirection works ok.
  */
- 
+
 #include <fcgi_stdio.h>
+#include <openssl/sha.h>
 #include "fastcgi.h"
-//#include "common.h"
+#include "common.h"
+#include <time.h>
+
+static void LoginHandler(void *data, char *params) {
+       static char loginkey[41] = {0}, ip[256];
+       static time_t timestamp = 0;
+       const char *key, *value;
+       int force = 0, end = 0;
+
+       while ((params = FCGI_KeyPair(params, &key, &value))) {
+               if (!strcmp(key, "force"))
+                       force = !force;
+               else if (!strcmp(key, "end"))
+                       end = !end;
+       }
+
+       if (end) {
+               *loginkey = 0;
+               FCGI_BeginJSON(200, "login");
+               FCGI_EndJSON();
+               return;
+       }
+
+       time_t now = time(NULL);
+       if (force || !*loginkey || (now - timestamp > 180)) {
+               SHA_CTX sha1ctx;
+               unsigned char sha1[20];
+               int i = rand();
+
+               SHA1_Init(&sha1ctx);
+               SHA1_Update(&sha1ctx, &now, sizeof(now));
+               SHA1_Update(&sha1ctx, &i, sizeof(i));
+               SHA1_Final(sha1, &sha1ctx);
+
+               timestamp = now;
+               for (i = 0; i < 20; i++)
+                       sprintf(loginkey+i*2, "%02x", sha1[i]);
+               sprintf(ip, "%s", getenv("REMOTE_ADDR"));
+               FCGI_BeginJSON(200, "login");
+               FCGI_BuildJSON("key", loginkey);
+               FCGI_EndJSON();
+       } else {
+               char buf[128];
+               strftime(buf, 128, "%H:%M:%S %d-%m-%Y",localtime(&timestamp)); 
+               FCGI_BeginJSON(401, "login");
+               FCGI_BuildJSON("description", "Already logged in");
+               FCGI_BuildJSON("user", ip); 
+               FCGI_BuildJSON("time", buf);
+               FCGI_EndJSON();
+       }
+}
 
 /**
  * Extracts a key/value pair from a request string.
@@ -111,7 +162,9 @@ void FCGI_RequestLoop (void *data)
                
 
                if (!strcmp("sensors", module)) {
-                       //module_handler = Handler_Sensors;
+                       module_handler = Handler_Sensors;
+               } else if (!strcmp("login", module)) {
+                       module_handler = LoginHandler;
                } else if (!strcmp("actuators", module)) {
                        
                }
@@ -127,6 +180,8 @@ void FCGI_RequestLoop (void *data)
                        FCGI_BuildJSON("request-number", buf);
                        FCGI_BuildJSON("params", params);
                        FCGI_BuildJSON("host", getenv("SERVER_HOSTNAME"));
+                       FCGI_BuildJSON("user", getenv("REMOTE_USER"));
+                       FCGI_BuildJSON("userip", getenv("REMOTE_ADDR"));
                        FCGI_EndJSON();
                }