added upload via base64 and via url

2025-11-16 13:08:01 +00:00 · 2018-12-25 23:41:22 +01:00
parent c649233835
commit b6609b1df2
5 changed files with 250 additions and 2 deletions
--- a/api/base64.php
+++ b/api/base64.php
@@ -0,0 +1,123 @@
+<?php
+// basic path definitions
+define('DS', DIRECTORY_SEPARATOR);
+define('ROOT', dirname(__FILE__).'/..');
+
+//loading default settings if exist
+if(!file_exists(ROOT.DS.'inc'.DS.'config.inc.php'))
+	exit('Rename /inc/example.config.inc.php to /inc/config.inc.php first!');
+include_once(ROOT.DS.'inc'.DS.'config.inc.php');
+
+//loading core and controllers
+include_once(ROOT . DS . 'inc' . DS. 'core.php');
+require_once(ROOT . DS . 'content-controllers' . DS. 'image'. DS . 'image.controller.php');
+require_once(ROOT . DS . 'content-controllers' . DS. 'text'. DS . 'text.controller.php');
+require_once(ROOT . DS . 'content-controllers' . DS. 'url'. DS . 'url.controller.php');
+require_once(ROOT . DS . 'content-controllers' . DS. 'video'. DS . 'video.controller.php');
+
+// check write permissions first
+if(!isFolderWritable(ROOT.DS.'data'))
+    exit(json_encode(array('status'=>'err','reason'=>'Data directory not writable')));
+else if(!isFolderWritable(ROOT.DS.'tmp'))
+    exit(json_encode(array('status'=>'err','reason'=>'Temp directory not writable')));
+
+$hash = sanatizeString(trim($_REQUEST['hash']))?sanatizeString(trim($_REQUEST['hash'])):false;
+
+// check for POSTed text
+if($_REQUEST['base64'])
+{
+    $data = $_REQUEST['base64'];
+    $format = $_REQUEST['format'];
+
+    $tmpfile = ROOT.DS.'tmp'.DS.md5(rand(0,10000).time()).time();
+
+    base64ToFile($data, $tmpfile);
+
+    //check for duplicates
+    $sha1 = sha1_file($tmpfile);
+    $ehash = sha1Exists($sha1);
+    if($ehash && file_exists(ROOT.DS.'data'.DS.$ehash.DS.$ehash))
+        exit(json_encode(array('status'=>'ok','hash'=>$ehash,'url'=>URL.$ehash)));
+            
+    //get the file type
+    $type = getTypeOfFile($tmpfile);
+
+    //cross check filetype for controllers
+    //
+    //image?
+    if(in_array($type,(new ImageController)->getRegisteredExtensions()))
+    {
+        $answer = (new ImageController())->handleUpload($tmpfile,$hash);
+    }
+    //or, a text
+    else if($type=='text')
+    {
+        $answer = (new TextController())->handleUpload($tmpfile,$hash);
+    }
+    //or, a video
+    else if(in_array($type,(new VideoController)->getRegisteredExtensions()))
+    {
+        $answer = (new VideoController())->handleUpload($tmpfile,$hash);
+    }
+
+    if(!$answer)
+        $answer = array('status'=>'err','reason'=>'Unsupported filetype','filetype'=>$type);
+
+    if($answer['hash'] && $answer['status']=='ok')
+    {
+        $answer['filetype'] = $type;
+        //add this sha1 to the list
+        addSha1($answer['hash'],$sha1);
+        
+        if(getDeleteCodeOfHash($answer['hash']))
+        {
+            $answer['delete_code'] = getDeleteCodeOfHash($answer['hash']);
+            $answer['delete_url'] = URL.'delete_'.getDeleteCodeOfHash($answer['hash']).'/'.$answer['hash'];
+        }
+        
+        // Lets' check all storage controllers and tell them that a new file was uploaded
+        $sc = getStorageControllers();
+        foreach($sc as $contr)
+        {
+            if((new $contr())->isEnabled()===true)
+                (new $contr())->pushFile($answer['hash']);
+        }
+    }
+    
+        echo json_encode($answer);   
+}
+
+
+
+
+function base64_to_type($base64_string)
+{
+	$data = explode(',', $base64_string);
+	$data = $data[1];
+
+	$data = str_replace(' ','+',$data);
+	$data = base64_decode($data);
+
+	$info = getimagesizefromstring($data);
+	
+	
+
+	trigger_error("########## FILETYPE: ".$info['mime']);
+
+
+	$f = finfo_open();
+	$type = finfo_buffer($f, $data, FILEINFO_MIME_TYPE);
+
+	return $type;
+}
+
+function base64ToFile($base64_string, $output_file)
+{
+	$data = explode(',', $base64_string);
+	$data = $data[1];
+	$data = str_replace(' ','+',$data);
+    $data = base64_decode($data);
+    $ifp = fopen( $output_file, 'wb' ); 
+    fwrite( $ifp, $data );
+    fclose( $ifp ); 
+}