Ensure original filename+extension is sent

controllers/micropub.php

@@ -52,7 +52,7 @@ $app->post('/micropub/multipart', function() use($app) {
       if(!$error) {
         $file_path = $file['tmp_name'];
         correct_photo_rotation($file_path);
-        $r = micropub_post_for_user($user, $_POST, $file_path);
+        $r = micropub_post_for_user($user, $_POST, $file);
       } else {
         $r = array('error' => $error);
       }

lib/helpers.php

@@ -83,9 +83,9 @@ if(!function_exists('http_build_url')) {
   }
 }
 
-function micropub_post_for_user(&$user, $params, $file_path = NULL, $json = false) {
+function micropub_post_for_user(&$user, $params, $file = NULL, $json = false) {
   // Now send to the micropub endpoint
-  $r = micropub_post($user->micropub_endpoint, $params, $user->micropub_access_token, $file_path, $json);
+  $r = micropub_post($user->micropub_endpoint, $params, $user->micropub_access_token, $file, $json);
 
   $user->last_micropub_response = substr(json_encode($r), 0, 1024);
   $user->last_micropub_response_date = date('Y-m-d H:i:s');
@@ -104,9 +104,9 @@ function micropub_post_for_user(&$user, $params, $file_path = NULL, $json = fals
   return $r;
 }
 
-function micropub_media_post_for_user(&$user, $file_path) {
+function micropub_media_post_for_user(&$user, $file) {
   // Send to the media endpoint
-  $r = micropub_post($user->micropub_media_endpoint, [], $user->micropub_access_token, $file_path, true, 'file');
+  $r = micropub_post($user->micropub_media_endpoint, [], $user->micropub_access_token, $file, true, 'file');
 
   // Check the response and look for a "Location" header containing the URL
   if($r['response'] && preg_match('/Location: (.+)/', $r['response'], $match)) {
@@ -118,11 +118,15 @@ function micropub_media_post_for_user(&$user, $file_path) {
   return $r;
 }
 
-function micropub_post($endpoint, $params, $access_token, $file_path = NULL, $json = false, $file_prop = 'photo') {
+function micropub_post($endpoint, $params, $access_token, $file = NULL, $json = false, $file_prop = 'photo') {
   $ch = curl_init();
   curl_setopt($ch, CURLOPT_URL, $endpoint);
   curl_setopt($ch, CURLOPT_POST, true);
 
+  $file_path = $file['tmp_name'];
+  $file_content = file_get_contents($file_path) . self::EOL;
+  $filename = $file['name'];
+
   // Send the access token in both the header and post body to support more clients
   // https://github.com/aaronpk/Quill/issues/4
   // http://indiewebcamp.com/irc/2015-02-14#t1423955287064
@@ -149,7 +153,7 @@ function micropub_post($endpoint, $params, $access_token, $file_path = NULL, $js
     $mimetype = finfo_file($finfo, $file_path);
     $multipart = new p3k\Multipart();
     $multipart->addArray($params);
-    $multipart->addFile($file_prop, $file_path, $mimetype);
+    $multipart->addFile($file_prop, $filename, $mimetype, $file_content);
     $post = $multipart->data();
     $httpheaders[] = 'Content-Type: ' . $multipart->contentType();
   }