From a564fd0a7a60990fc8bd31ffabb9a33cf9a42f32 Mon Sep 17 00:00:00 2001
From: steckbrief <steckbrief@chefmail.de>
Date: Thu, 4 May 2017 16:23:36 +0200
Subject: storage-backend: Added json interface to list transferred files

---
 storage-backend/lib/functions.filetransfer.inc.php | 45 +++++++++++++-
 storage-backend/lib/xmpp.util.inc.php              | 69 ++++++++++++++++++++++
 2 files changed, 112 insertions(+), 2 deletions(-)
 create mode 100644 storage-backend/lib/xmpp.util.inc.php

(limited to 'storage-backend/lib')

diff --git a/storage-backend/lib/functions.filetransfer.inc.php b/storage-backend/lib/functions.filetransfer.inc.php
index 679cef1..607d30f 100644
--- a/storage-backend/lib/functions.filetransfer.inc.php
+++ b/storage-backend/lib/functions.filetransfer.inc.php
@@ -16,8 +16,49 @@ function getUploadFilePath($slotUUID, $config, $filename = NULL) {
 }
 
 function loadSlotParameters($slotUUID, $config) {
-  $slotParameters = require(getSlotFilePath($slotUUID, $config));
+  $slotFilePath = getSlotFilePath($slotUUID, $config);
+  $slotParameters = require($slotFilePath);
   $slotParameters['filename'] = $slotParameters['filename'];
+  $slotParameters['creation_time'] = filemtime($slotFilePath);
   
   return $slotParameters;
-}
\ No newline at end of file
+}
+
+function readSlots($jid)  {
+    global $config;
+
+    $jid = getBareJid($jid);
+    $slots = array();
+
+    if ($handle = opendir($config['slot_registry_dir'])) {
+        while (false !== ($entry = readdir($handle))) {
+            if ($entry != "." && $entry != ".." && $entry != ".htaccess") {
+                $slotUUID = $entry;
+                $params = loadSlotParameters($slotUUID, $config);
+                $senderBareJid = getBareJid($params['user_jid']);
+                $recipientBareJid = (array_key_exists('receipient_jid', $params)) ? getBareJid($params['receipient_jid']) : '';
+                if ($senderBareJid == $jid || $recipientBareJid == $jid) {
+                    $filePath = getUploadFilePath($slotUUID, $config, $params['filename']);
+                    $file = [];
+                    $fileExists = file_exists($filePath);
+                    $file['url'] = "";
+                    $file['sent_time'] = $params['creation_time'];
+                    if ($fileExists) {
+                        $file['url'] = $config['base_url_get'].$slotUUID.'/'.$params['filename'];
+                    }
+                    $file['fileinfo'] = [];
+                    $file['fileinfo']['filename'] = $params['filename'];
+                    $file['fileinfo']['filesize'] = $params['filesize'];
+                    $file['fileinfo']['content_type'] = $params['content_type'];
+                    $file['sender_jid'] = $senderBareJid;
+                    $file['recipient_jid'] = $recipientBareJid;
+                    if (null == $file['receipient_jid']) {
+                      $file['receipient_jid'] = "";
+                    }
+                    $slots[] = $file;
+                }
+            }
+        }
+    }
+    return $slots;
+}
diff --git a/storage-backend/lib/xmpp.util.inc.php b/storage-backend/lib/xmpp.util.inc.php
new file mode 100644
index 0000000..cdc90fb
--- /dev/null
+++ b/storage-backend/lib/xmpp.util.inc.php
@@ -0,0 +1,69 @@
+<?php
+/*
+ * xmpp jid util functions.
+ */
+ 
+function getJidDomain($jid) {
+    if (null == $jid) {
+        return null;
+    }
+    
+    $atIndex = strpos($jid, '@');
+    $slashIndex = strpos($jid, '/');
+    
+    if ($slashIndex !== false) {
+        if ($slashIndex > $atIndex) {// 'local@domain.foo/resource' and 'local@domain.foo/res@otherres' case
+            return substr($jid, $atIndex + 1, $slashIndex - $atIndex + 1);
+        } else {// 'domain.foo/res@otherres' case
+            return substr($jid, 0, $slashIndex);
+        }
+    } else {
+        return substr($jid, $atIndex + 1);
+    }
+}
+
+function getJidLocalPart($jid) {
+    if ($jid == null) {
+        return null;
+    }
+
+    $atIndex = strpos($jid, '@');
+    if ($atIndex === false || $atIndex == 0) {
+        return "";
+    }
+    
+    $slashIndex = strpos($jid, '/');
+    if ($slashIndex !== false && $slashIndex < $atIndex) {
+        return "";
+    } else {
+        return substr($jid, 0, $atIndex);
+    }
+}
+
+function getBareJid($jid) {
+    if ($jid == null) {
+        return null;
+    }
+    
+    $slashIndex = strpos($jid, '/');
+    if ($slashIndex === false) {
+        return $jid;
+    } else if ($slashIndex == 0) {
+        return "";
+    } else {
+        return substr($jid, 0, $slashIndex);
+    }
+}
+
+function getResource($jid) {
+    if ($jid == null) {
+        return null;
+    }
+
+    $slashIndex = strpos($jid, '/');
+    if ($slashIndex + 1 > strlen($jid) || $slashIndex === false) {
+        return "";
+    } else {
+        return substr($jid, $slashIndex + 1);
+    }
+}
-- 
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