Adding support for multiple file upload using URLs

Previously only one URL was supported.

post.php

@@ -523,8 +523,14 @@ if (isset($_POST['delete'])) {
 			$_POST['subject'] = '';
 	}
 	
-	if ($config['allow_upload_by_url'] && isset($_POST['file_url']) && !empty($_POST['file_url'])) {
-		$post['file_url'] = $_POST['file_url'];
+	if ($config['allow_upload_by_url'] && isset($_POST['file_url1']) && !empty($_POST['file_url1'])) {
+		function unlink_tmp_file($file) {
+			@unlink($file);
+			fatal_error_handler();
+		}
+
+		function upload_by_url($config,$post,$url) {
+		$post['file_url'] = $url;
 		if (!preg_match('@^https?://@', $post['file_url']))
 			error($config['error']['invalidimg']);
 		
@@ -543,10 +549,6 @@ if (isset($_POST['delete'])) {
 			error($config['error']['unknownext']);
 
 		$post['file_tmp'] = tempnam($config['tmp'], 'url');
-		function unlink_tmp_file($file) {
-			@unlink($file);
-			fatal_error_handler();
-		}
 		register_shutdown_function('unlink_tmp_file', $post['file_tmp']);
 		
 		$fp = fopen($post['file_tmp'], 'w');
@@ -569,13 +571,20 @@ if (isset($_POST['delete'])) {
 		
 		fclose($fp);
 
-		$_FILES['file'] = array(
+		$_FILES[$post['file_tmp']] = array(
 			'name' => basename($url_without_params),
 			'tmp_name' => $post['file_tmp'],
 			'file_tmp' => true,
 			'error' => 0,
 			'size' => filesize($post['file_tmp'])
 		);
+		}
+	        
+		for( $counter = 1; $counter <= $config['max_images']; $counter++ ) { 
+			$varname = "file_url". $counter;
+			upload_by_url($config,$post,$_POST[$varname]);
+		}
+			
 	}
 	
 	$post['name'] = $_POST['name'] != '' ? $_POST['name'] : $config['anonymous'];
@@ -991,8 +1000,7 @@ if (isset($_POST['delete'])) {
 				escapeshellarg($file['thumb']));
 
 				if ($error){
-					$path = sprintf($config['file_thumb'],isset($config['file_icons'][$file['extension']]) ? $config['file_icons'][$file['ext
-					ension']] : $config['file_icons']['default']); 
+					$path = sprintf($config['file_thumb'],isset($config['file_icons'][$file['extension']]) ? $config['file_icons'][$file['extension']] : $config['file_icons']['default']);	
 				}
 
 				$file['thumb'] = basename($file['thumb']);

templates/post_form.html

@@ -149,7 +149,10 @@
 				{% if config.allow_upload_by_url %}
 					<div style="float:none;text-align:left" id="upload_url">
 						<label for="file_url">{% trans %}Or URL{% endtrans %}</label>: 
-						<input style="display:inline" type="text" id="file_url" name="file_url" size="35">
+						{% for counter in 1..config.max_images %}
+						<input style="display:inline" type="text" id="file_url{{ counter }}" name="file_url{{ counter }}" size="35">
+						</br>
+						{% endfor %}
 					</div>
 				{% endif %}
 				{{ antibot.html() }}