added some rudimentary code for uploading files and having it store in the folder called uploads

web_interface/html/agent_tab_code.html

@@ -4,7 +4,14 @@
 
 			<br>
 
-			Coming soon...
+			<form action="upload.php" method="post" enctype="multipart/form-data">
+				Upload your code below.
+				<br>
+				<br>
+  				<input class="fileupload" type="file" id="myToUpload" name="fileToUpload">
+  				<br>
+  				<input type="submit" value="Upload Code" name="submit">
+			</form>
 
 		</main>
 	</div>

web_interface/html/upload.php

+<?php
+$target_dir = "uploads/";
+$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
+$uploadOk = 1;
+$imageFileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));
+// Allow certain file formats
+if($imageFileType != "cpp") {
+    echo "Sorry, only C++ files are allowed. ";
+    $uploadOk = 0;
+}
+// Check if $uploadOk is set to 0 by an error
+if ($uploadOk == 0) {
+    echo "Your file was not uploaded.";
+// if everything is ok, try to upload file
+} else {
+    if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
+        echo "The file ". basename( $_FILES["fileToUpload"]["name"]). " has been uploaded.";
+    } else {
+        echo "Sorry, there was an error uploading your file.";
+    }
+}
+?>
\ No newline at end of file