update function to add inline attachment

lib/AttachmentClass.php

@@ -4,42 +4,33 @@ namespace Mail2Deck;
 
 class AttachmentClass {
 
-function Attachment($structure,$inbox, $emails){
+    function Attachment($structure,$inbox, $emails){
         $attachments = array();
         $attNames = array();
+
         if (isset($structure->parts) && count($structure->parts)) {
-        for ($i = 0; $i < count($structure->parts); $i++) {
+            $parentIndex = null;
-            $parts =$structure->parts[$i];
+        foreach ($structure->parts as $index => $part) {
-            if ($parts->ifdparameters || $parts->ifparameters) {
+            $partIndex = $parentIndex ? strval($parentIndex) . '.' . ($index + 1) : ($index + 1);
-                $parameters = $parts->ifdparameters ? $parts->dparameters : $parts->parameters;
-                $attributeName = $parts->ifdparameters ? 'filename' : 'name';
 
-                foreach ($parameters as $object) {
+                if (isset($part->parts) && count($part->parts) > 1) {
-                    if (strtolower($object->attribute) == strtolower($attributeName)) {
+                    $result= $this->formattingAttachment($part->parts, $inbox, $emails, $partIndex); //subpart exists in the structure
-                        $attachments[$i]['is_attachment'] = true;
+                }else{
-                        $attachments[$i][$attributeName] = $object->value;
+                    $result= $this->formattingAttachment([$part], $inbox, $emails, $partIndex);
+                }
+                 if ($result) {
+                    $attachments = array_merge($attachments, $result);
                 }
             }
         }
 
-            if ($attachments[$i]['is_attachment']) {
+        //Add formatted attachments
-                $attachments[$i]['attachment'] = $inbox->fetchMessageBody($emails, $i+1);
+        for ($i = 0; $i < count($attachments); $i++) {
-                if ($parts->encoding == 3) { // 3 = BASE64
-                    $attachments[$i]['attachment'] = base64_decode($attachments[$i]['attachment']);
-                }
-                elseif ($parts->encoding == 4) { // 4 = QUOTED-PRINTABLE
-                    $attachments[$i]['attachment'] = quoted_printable_decode($attachments[$i]['attachment']);
-                }
-            }
-        }
-    }
-    for ($i = 1; $i <= count($attachments); $i++) {
             if(! file_exists(getcwd() . '/attachments')) {
                 mkdir(getcwd() . '/attachments');
             }
             if ($attachments[$i]['is_attachment'] == 1) {
                 $filename = $attachments[$i]['name'];
-
                 if (empty($filename)) $filename = $attachments[$i]['filename'];
 
                 $fp = fopen(getcwd() . '/attachments/' . $filename, "w+");
@@ -50,5 +41,39 @@ function Attachment($structure,$inbox, $emails){
             }
         }
         return $attNames;
-}
+    }
+
+
+    function formattingAttachment($parts, $inbox, $emails, $index) {
+        $attachments = array();
+        foreach ($parts as $j => $part) {
+            if ($part->ifdparameters || $part->ifparameters) {
+                $parameters = $part->ifdparameters ? $part->dparameters : $part->parameters;
+                $attributeName = $part->ifdparameters ? 'filename' : 'name';
+
+                foreach ($parameters as $object) {
+                    if (strtolower($object->attribute) == strtolower($attributeName)) {
+                        $attachment['is_attachment'] = true;
+                        $attachment[$attributeName] = $object->value;
+
+                        if($part->disposition == "inline" || $part->disposition == "attachment"){
+                            $partindex= $index;
+                        }else{
+                            $partindex= $index . "." . ($j + 1); //if the attachment is part of the subpart
+                        }
+
+                        $attachment['attachment']= $inbox->fetchMessageBody($emails,$partindex);
+
+                        if ($part->encoding == 3) { // BASE64
+                            $attachment['attachment'] = base64_decode( $attachment['attachment'],true);
+                        } else if ($part->encoding == 4) { // QUOTED-PRINTABLE
+                            $attachment['attachment'] = quoted_printable_decode( $attachment['attachment']);
+                        }
+                        $attachments[] = $attachment;
+                    }
+                }
+            }
+        }
+        return $attachments;
+    }
 }

lib/CreateCardClass.php

@@ -38,10 +38,16 @@ class CreateCardClass{
         if ($description != strip_tags($description)) {
             $description = (new ConvertToMD($description))->execute();
         }
+
+        $hasCid = preg_match('/!\[.*?\]\(cid:[^)]+\)/', $description);
         if (!empty($attachments)) {
             foreach ($attachments as $attachment) {
                 $filePath = NC_SERVER .'/remote.php/dav/files/'.NC_USER.'/Deck/'.$attachment;
+                if ($hasCid) {
                     $description = preg_replace('/!\[' . preg_quote($attachment, '/') . '\]\(cid:[^)]+\)/',"[$attachment]($filePath)", $description);
+                }else{
+                    $description .= "\n\n[$attachment]($filePath)";
+                }
             }
         }