From 3f6a2fbd7f625a1d6910a7c9ff9fe46b468cd018 Mon Sep 17 00:00:00 2001
From: Nayan <33187059+GShadow5@users.noreply.github.com>
Date: Mon, 5 May 2025 21:24:56 -0400
Subject: [PATCH] parse the filename out from the url of the request

---
 client_handler.c | 50 +++++++++++++++++++++++++++++++++++++++++++++---
 client_handler.h |  1 +
 2 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/client_handler.c b/client_handler.c
index 0711c08..eae4710 100644
--- a/client_handler.c
+++ b/client_handler.c
@@ -8,20 +8,64 @@ void* client_handler(void* args) {
 
     ssize_t bytes_read = recv(client, buffer, BUFFER_SIZE, 0);
     if (bytes_read > 0) {
-        char* ptr = buffer;
-        char* buf_temp[10];
-        char* ptr_temp = buf_temp;
+        // Null terminate buffer
+        buffer[bytes_read] = '\0';
+
+        // Check if request is GET
+        char* ptr = buffer;  // Modifiable pointer to buffer
+        char* buf_temp =
+            (char*)malloc(10);      // Temporary buffer to store request code
+        char* ptr_temp = buf_temp;  // Modifiable pointer to temporary buffer
+        // Copy request code to temporary buffer
         while (*ptr != ' ') {
             *ptr_temp = *ptr;
             ptr++;
             ptr_temp++;
         }
+        // Null terminate temporary buffer
         *ptr_temp = '\0';
+        ptr++;  // Skip over space
         if (strcmp(buf_temp, "GET") == 0) {
             printf("Received a GET request!!\n");
         } else {
             printf("Received a non-GET request!!\n");
+            return NULL;
         }
+
+        // Get filename
+        char* filename = (char*)malloc(100);  // Buffer to store filename
+        ptr_temp = filename;                  // Modifiable pointer to filename
+        *ptr_temp = '.';                      // Prepend . to filename
+        ptr_temp++;
+        // Copy filename to temporary buffer
+        while (*ptr != ' ') {
+            // Convert %20 to space
+            if (*ptr == '%' && *(ptr + 1) == '2' && *(ptr + 2) == '0') {
+                ptr += 3;
+                *ptr_temp = ' ';
+                ptr_temp++;
+            } else {
+                // Copy character
+                *ptr_temp = *ptr;
+                ptr++;
+                ptr_temp++;
+            }
+        }
+        *ptr_temp = '\0';  // Null terminate filename
+
+        // Print filename
+        printf("Filename: %s\n", filename);
+
+        // Send response
+        char* response = "HTTP/1.1 200 OK\n\n";
+        send(client, response, strlen(response), 0);
+
+        printf("Request:\n");
+        printf("%s\n", buffer);
+
+        free(buf_temp);
+        free(filename);
+        return NULL;
     }
     free(buffer);
     return NULL;
diff --git a/client_handler.h b/client_handler.h
index 63b2720..bcddcfa 100644
--- a/client_handler.h
+++ b/client_handler.h
@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/socket.h>
 #include <sys/types.h>
 
 void* client_handler(void* args);