implement "extract" action for PHP connector #22

psolom · Apr 5, 2017 · afeafe8 · afeafe8
1 parent c7bd25c
commit afeafe8
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diff --git a/connectors/php/BaseFilemanager.php b/connectors/php/BaseFilemanager.php
@@ -187,6 +187,12 @@ abstract function actionReadFile();
      */
     abstract function actionSummarize();
 
+    /**
+     * Extracts files and folders from archive - filemanager action
+     * @return array
+     */
+    abstract function actionExtract();
+
     /**
      * Set userfiles root folder
      * @param string $path
@@ -299,6 +305,12 @@ public function handleRequest()
                     case 'summarize':
                         $response = $this->actionSummarize();
                         break;
+
+                    case 'extract':
+                        if($this->getvar('source') && $this->getvar('target')) {
+                            $response = $this->actionExtract();
+                        }
+                        break;
                 }
 
             } else if(isset($_POST['mode']) && $_POST['mode']!='') {

diff --git a/connectors/php/LocalFilemanager.php b/connectors/php/LocalFilemanager.php
@@ -969,6 +969,82 @@ public function actionSummarize()
         ];
 	}
 
+    /**
+     * @inheritdoc
+     */
+    public function actionExtract()
+    {
+        if (!extension_loaded('zip')) {
+            $this->error(sprintf($this->lang('ERROR_SERVER')));
+        }
+
+        $source_path = $this->get['source'];
+        $target_path = $this->get['target'];
+        $source_fullpath = $this->getFullPath($source_path, true);
+        $target_fullpath = $this->getFullPath($target_path, true);
+
+        // check if target is writable
+        if(!$this->has_system_permission($target_fullpath, ['w'])) {
+            $this->error(sprintf($this->lang('NOT_ALLOWED_SYSTEM')));
+        }
+
+        if(is_dir($source_fullpath)) {
+            $this->error(sprintf($this->lang('FORBIDDEN_ACTION_DIR')));
+        }
+
+        $zip = new ZipArchive();
+        if ($zip->open($source_fullpath) !== true) {
+            $this->error(sprintf($this->lang('ERROR_SERVER')));
+        }
+
+        $root_files = [];
+        // whether to output and return info for extracted file
+        $output_info = strpos($source_path, $target_path) === 0;
+
+        // make all the folders
+        for($i = 0; $i < $zip->numFiles; $i++) {
+            $file_name = $zip->getNameIndex($i);
+            $file_stat = $zip->statIndex($i);
+
+            if ($file_stat['name'][strlen($file_stat['name'])-1] === "/") {
+                $dir_name = $this->cleanPath($target_fullpath . '/' . $file_stat['name']);
+                $created = mkdir($dir_name, 0700, true);
+
+                if ($created && $output_info && substr_count($file_name, '/') === 1) {
+                    $root_files[] = $file_name;
+                }
+            }
+        }
+
+        // unzip into the folders
+        for($i = 0; $i < $zip->numFiles; $i++) {
+            $file_name = $zip->getNameIndex($i);
+            $file_stat = $zip->statIndex($i);
+
+            if ($file_stat['name'][strlen($file_stat['name'])-1] !== "/") {
+                if ($this->is_allowed_file_type($file_name)) {
+                    $dir_name = $this->cleanPath($target_fullpath . '/' . $file_stat['name']);
+                    $copied = copy('zip://'. $source_fullpath .'#'. $file_name, $dir_name);
+
+                    if($copied && $output_info && strpos($file_name, '/') === false) {
+                        $root_files[] = $file_name;
+                    }
+                }
+            }
+        }
+
+        $zip->close();
+
+        $response_data = [];
+        foreach ($root_files as $file_name) {
+            $relative_path = $this->cleanPath($target_path . '/' . $file_name);
+            $item = $this->get_file_info($relative_path);
+            $response_data[] = $item;
+        }
+
+        return $response_data;
+    }
+
 	/**
 	 * Creates a zip file from source to destination
 	 * @param  	string $source Source path for zip