Story ID: 456150. Added checks for electronic signatures in ktapi code. Also cr…

…eated some unit tests (incomplete) to test aspects of the signature code within the api. Modified some of the api unit tests to successfully pass when api signatures are turned on, but there are several which will still fail unless the signatures are off. Fixed Committed by: Paul Barrett Reviewed by: Megan Watson

Story ID: 456150. Added checks for electronic signatures in ktapi code. Also cr…
…eated some unit tests (incomplete) to test aspects of the signature code within the api. Modified some of the api unit tests to successfully pass when api signatures are turned on, but there are several which will still fail unless the signatures are off. Fixed Committed by: Paul Barrett Reviewed by: Megan Watson
Paul Barrett
1 parent 1a750644
Showing 3 changed files with 328 additions and 135 deletions
ktapi/ktapi.inc.php
tests/api/testApi.php
tests/api/testAuto.php
@@ -60,6 +60,10 @@ require_once(KTAPI_DIR .&#39;/KTAPIAcl.inc.php&#39;);
 require_once(KTAPI_DIR .'/KTAPICollection.inc.php');
 require_once(KTAPI_DIR .'/KTAPIBulkActions.inc.php');
+//$dir = dirname(__FILE__) . DIRECTORY_SEPARATOR . '..';
+//$dir = realpath($dir).DIRECTORY_SEPARATOR;
+//require_once($dir . 'plugins/wintools/baobabkeyutil.inc.php');
+//require_once($dir . 'plugins/electronic-signatures/Esignature.inc.php');
 /**
 * This class defines functions that MUST exist in the inheriting class
@@ -171,6 +175,13 @@ class KTAPI
 	protected $version = 3;
+    private $esig_enabled;
+
+    public function KTAPI()
+    {
+        $this->esig_enabled = $this->electronic_sig_enabled();
+    }
+
  	/**
  	* This returns the current session.
  	*
@@ -349,7 +360,12 @@ class KTAPI
 	* @param int
 	*
 	*/
-	public function add_folder_user_permissions($username, $folder_id, $namespace) {
+	public function add_folder_user_permissions($username, $folder_id, $namespace, $sig_username = '', $sig_password = '', $reason = '')
+    {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.permissions_change');
+        if ($response['status_code'] == 1) return $response;
+
 		if (is_null($this->session))
 		{
 			return array(
@@ -417,7 +433,12 @@ class KTAPI
 	* @param int
 	*
 	*/
-	public function add_folder_role_permissions($role, $folder_id, $namespace) {
+	public function add_folder_role_permissions($role, $folder_id, $namespace, $sig_username = '', $sig_password = '', $reason = '')
+    {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.permissions_change');
+        if ($response['status_code'] == 1) return $response;
+
 		if (is_null($this->session))
 		{
 			return array(
@@ -478,7 +499,12 @@ class KTAPI
 	* @param int
 	*
 	*/
-	public function add_folder_group_permissions($group, $folder_id, $namespace) {
+	public function add_folder_group_permissions($group, $folder_id, $namespace, $sig_username = '', $sig_password = '', $reason = '')
+    {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.permissions_change');
+        if ($response['status_code'] == 1) return $response;
+
 		if (is_null($this->session))
 		{
 			return array(
@@ -530,9 +556,6 @@ class KTAPI
 		$permissions->save();
 	}
-
-
-
 	/**
  	* This checks if a user can access an object with a certain permission.
  	*
@@ -711,7 +734,6 @@ class KTAPI
 		return $session;
 	}
-
 	/**
 	* start a root session.
 	*
@@ -738,8 +760,6 @@ class KTAPI
 		return $session;
 	}
-
-
 	/**
 	* Starts an anonymous session.
  	*
@@ -1048,7 +1068,6 @@ class KTAPI
 		return $results;
 	}
-
 	/**
     * Returns an array of username/name combinations or an error object.
 	*
@@ -1213,8 +1232,13 @@ class KTAPI
      * @param integer $target_folder_id The id of the target folder if required - copy and move require this.
      * @return array The response array. On success response['results'] will be empty | contain an array of failed items.
      */
-    public function performBulkAction($action, $items, $reason = '', $target_folder_id = null)
+    public function performBulkAction($action, $items, $reason = '', $target_folder_id = null,
+                                      $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($target_folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                       'ktcore.transactions.permissions_change');
+        if ($response['status_code'] == 1) return $response;
+        
         $response['status_code'] = 1;
         if(!is_array($items)){
@@ -1474,8 +1498,12 @@ class KTAPI
      * @param integer $user_id The id of the user to be added
      * @return array Response
      */
-    public function add_user_to_role_on_folder($folder_id, $role_id, $user_id)
+    public function add_user_to_role_on_folder($folder_id, $role_id, $user_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.role_allocations_change');
+        if ($response['status_code'] == 1) return $response;
+
         $response['status_code'] = 1;
         if(!is_numeric($user_id)){
             $response['message'] = _kt('User id must be numeric.');
@@ -1496,8 +1524,12 @@ class KTAPI
      * @param integer $group_id The id of the group to be added
      * @return array Response
      */
-    public function add_group_to_role_on_folder($folder_id, $role_id, $group_id)
+    public function add_group_to_role_on_folder($folder_id, $role_id, $group_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.role_allocations_change');
+        if ($response['status_code'] == 1) return $response;
+
         $response['status_code'] = 1;
         if(!is_numeric($group_id)){
             $response['message'] = _kt('Group id must be numeric.');
@@ -1518,8 +1550,12 @@ class KTAPI
      * @param integer $user_id The id of the user to be removed
      * @return array Response
      */
-    public function remove_user_from_role_on_folder($folder_id, $role_id, $user_id)
+    public function remove_user_from_role_on_folder($folder_id, $role_id, $user_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.role_allocations_change');
+        if ($response['status_code'] == 1) return $response;
+
         $response['status_code'] = 1;
         if(!is_numeric($user_id)){
             $response['message'] = _kt('User id must be numeric.');
@@ -1540,8 +1576,12 @@ class KTAPI
      * @param integer $group_id The id of the group to be removied
      * @return array Response
      */
-    public function remove_group_from_role_on_folder($folder_id, $role_id, $group_id)
+    public function remove_group_from_role_on_folder($folder_id, $role_id, $group_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.role_allocations_change');
+        if ($response['status_code'] == 1) return $response;
+
         $response['status_code'] = 1;
         if(!is_numeric($group_id)){
             $response['message'] = _kt('Group id must be numeric.');
@@ -1593,8 +1633,13 @@ class KTAPI
      * @param string $update The type of modification - add | remove
      * @return array Response
      */
-    private function update_members_on_role_on_folder($folder_id, $role_id, $members, $update = 'add')
+    private function update_members_on_role_on_folder($folder_id, $role_id, $members, $update = 'add', 
+                                                      $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.role_allocations_change');
+        if ($response['status_code'] == 1) return $response;
+
         // Check input information
         $response['status_code'] = 1;
         if(!is_numeric($folder_id)){
@@ -1740,8 +1785,12 @@ class KTAPI
      * @param integer $role_id Optional. The id of the role being reset.
      * @return array Response
      */
-    public function remove_all_role_allocation_from_folder($folder_id, $role_id = null)
+    public function remove_all_role_allocation_from_folder($folder_id, $role_id = null, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.role_allocations_change');
+        if ($response['status_code'] == 1) return $response;
+
         $response['status_code'] = 1;
         // Get folder and role objects
@@ -1778,8 +1827,12 @@ class KTAPI
      * @param integer $folder_id The folder id
      * @return array Response
      */
-    public function override_role_allocation_on_folder($folder_id)
+    public function override_role_allocation_on_folder($folder_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.role_allocations_change');
+        if ($response['status_code'] == 1) return $response;
+
         $response['status_code'] = 1;
         // Get folder object
@@ -1829,7 +1882,6 @@ class KTAPI
     /* *** Refactored web services functions *** */
-
     /**
      * Creates a new anonymous session.
      *
@@ -2022,8 +2074,12 @@ class KTAPI
      * @param string $folder_name The name of the new folder
      * @return array Response 'results' contains kt_folder_detail | 'message' contains error message on failure
      */
-    function create_folder($folder_id, $folder_name)
+    function create_folder($folder_id, $folder_name, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.add');
+        if ($response['status_code'] == 1) return $response;
+
         $folder = &$this->get_folder_by_id($folder_id);
     	if (PEAR::isError($folder))
     	{
@@ -2047,8 +2103,12 @@ class KTAPI
      * @param integer $source_folder_id Id of the folder to which the shortcut will point.
      * @return array Response 'results' contains kt_shortcut_detail | 'message' contains error message on failure
      */
-    function create_folder_shortcut($target_folder_id, $source_folder_id)
+    function create_folder_shortcut($target_folder_id, $source_folder_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.create_shortcut');
+        if ($response['status_code'] == 1) return $response;
+        
         $folder = &$this->get_folder_by_id($target_folder_id);
     	if (PEAR::isError($folder))
     	{
@@ -2088,8 +2148,12 @@ class KTAPI
      * @param integer $source_document_id Id of the document to which the shortcut will point
      * @return array Response 'results' contains kt_document_detail | 'message' contains error message on failure
      */
-    function create_document_shortcut($target_folder_id, $source_document_id)
+    function create_document_shortcut($target_folder_id, $source_document_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.create_shortcut');
+        if ($response['status_code'] == 1) return $response;
+
         $folder = &$this->get_folder_by_id($target_folder_id);
     	if (PEAR::isError($folder))
     	{
@@ -2129,8 +2193,12 @@ class KTAPI
      * @param string $reason The reason for performing the deletion
      * @return array Response | 'message' contains error message on failure
      */
-    function delete_folder($folder_id, $reason)
+    function delete_folder($folder_id, $reason, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.delete');
+        if ($response['status_code'] == 1) return $response;
+
         $folder = &$this->get_folder_by_id($folder_id);
 		if (PEAR::isError($folder))
     	{
@@ -2160,8 +2228,12 @@ class KTAPI
      * @param string $newname The new name of the folder
      * @return array Response | 'message' contains error message on failure
      */
-    function rename_folder($folder_id, $newname)
+    function rename_folder($folder_id, $newname, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($folder_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.rename');
+        if ($response['status_code'] == 1) return $response;
+
         $folder = &$this->get_folder_by_id($folder_id);
 		if (PEAR::isError($folder))
     	{
@@ -2191,8 +2263,12 @@ class KTAPI
      * @param string $reason The reason for performing the copy
      * @return array Response | 'message' contains error message on failure
      */
-    function copy_folder($source_id, $target_id, $reason)
+    function copy_folder($source_id, $target_id, $reason, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($source_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.copy');
+        if ($response['status_code'] == 1) return $response;
+        
     	$src_folder = &$this->get_folder_by_id($source_id);
     	if (PEAR::isError($src_folder))
     	{
@@ -2216,7 +2292,7 @@ class KTAPI
     	    $response['message']= $result->getMessage();
     	    return $response;
     	}
-
+        
     	$response['status_code'] = 0;
     	if($this->version >= 2){
@@ -2240,8 +2316,12 @@ class KTAPI
      * @param string $reason The reason for performing the move
      * @return array Response | 'message' contains error message on failure
      */
-    function move_folder($source_id, $target_id, $reason)
+    function move_folder($source_id, $target_id, $reason, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($source_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.move');
+        if ($response['status_code'] == 1) return $response;
+
     	$src_folder = &$this->get_folder_by_id($source_id);
     	if (PEAR::isError($src_folder))
     	{
@@ -2636,8 +2716,13 @@ class KTAPI
      * @param string $tempfilename
      * @return kt_document_detail.
      */
-    public function add_document($folder_id,  $title, $filename, $documenttype, $tempfilename)
+    public function add_document($folder_id,  $title, $filename, $documenttype, $tempfilename, 
+                                 $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.add');
+        if ($response['status_code'] == 1) return $response;
+
 		// we need to add some security to ensure that people don't frig the checkin process to access restricted files.
 		// possibly should change 'tempfilename' to be a hash or id of some sort if this is troublesome.
     	$upload_manager = new KTUploadManager();
@@ -2682,7 +2767,7 @@ class KTAPI
 		$update_result = $this->update_document_metadata($document_id, $metadata, $sysdata);
 		if($update_result['status_code'] != 0){
-		    $this->delete_document($document_id, 'Rollback because metadata could not be added');
+		    $this->delete_document($document_id, 'Rollback because metadata could not be added', false);
 			return $update_result;
 		}
@@ -2713,7 +2798,7 @@ class KTAPI
 		$update_result = $this->update_document_metadata($document_id, $metadata, $sysdata);
 		if($update_result['status_code'] != 0){
-		    $this->delete_document($document_id, 'Rollback because metadata could not be added');
+		    $this->delete_document($document_id, 'Rollback because metadata could not be added', false);
 		    return $update_result;
 		}
@@ -2827,8 +2912,13 @@ class KTAPI
      * @param string $tempfilename
      * @return kt_document_detail. status_code can be KTWS_ERR_INVALID_SESSION, KTWS_ERR_INVALID_FOLDER, KTWS_ERR_INVALID_DOCUMENT or KTWS_SUCCESS
      */
-    public function checkin_document($document_id,  $filename, $reason, $tempfilename, $major_update )
+    public function checkin_document($document_id,  $filename, $reason, $tempfilename, $major_update,
+                                     $sig_username = '', $sig_password = '' )
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.check_in');
+        if ($response['status_code'] == 1) return $response;
+        
     	// we need to add some security to ensure that people don't frig the checkin process to access restricted files.
 		// possibly should change 'tempfilename' to be a hash or id of some sort if this is troublesome.
     	$upload_manager = new KTUploadManager();
@@ -2860,8 +2950,13 @@ class KTAPI
 		return $this->get_document_detail($document_id);
     }
-    public function  checkin_small_document_with_metadata($document_id,  $filename, $reason, $base64, $major_update, $metadata, $sysdata)
+    public function  checkin_small_document_with_metadata($document_id,  $filename, $reason, $base64, $major_update, 
+                                                          $metadata, $sysdata, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.check_in');
+        if ($response['status_code'] == 1) return $response;
+
        	$add_result = $this->checkin_small_document($document_id,  $filename, $reason, $base64, $major_update);
        	if($add_result['status_code'] != 0){
@@ -2889,8 +2984,13 @@ class KTAPI
        	return $update_result;
 	}
-    public function  checkin_document_with_metadata($document_id,  $filename, $reason, $tempfilename, $major_update, $metadata, $sysdata)
+    public function  checkin_document_with_metadata($document_id,  $filename, $reason, $tempfilename, $major_update, 
+                                                    $metadata, $sysdata, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.check_in');
+        if ($response['status_code'] == 1) return $response;
+
        	$add_result = $this->checkin_document($document_id,  $filename, $reason, $tempfilename, $major_update);
        	if($add_result['status_code'] != 0){
@@ -2917,7 +3017,6 @@ class KTAPI
        	return $update_result;
 	}
-
     /**
      * Does a document checkin.
      *
@@ -2930,8 +3029,12 @@ class KTAPI
      * @param boolean $major_update
      * @return kt_document_detail.
      */
-    public function checkin_small_document($document_id,  $filename, $reason, $base64, $major_update )
+    public function checkin_small_document($document_id,  $filename, $reason, $base64, $major_update, $sig_username = '', $sig_password = '' )
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.check_in');
+        if ($response['status_code'] == 1) return $response;
+
     	$upload_manager = new KTUploadManager();
     	$tempfilename = $upload_manager->store_base64_file($base64, 'su_');
     	if (PEAR::isError($tempfilename))
@@ -2973,8 +3076,12 @@ class KTAPI
      * @param string $reason
      * @return kt_document_detail.
      */
-    public function checkout_document($document_id, $reason, $download=true)
+    public function checkout_document($document_id, $reason, $download=true, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.check_out');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3028,8 +3135,12 @@ class KTAPI
      * @param boolean $download
      * @return kt_document_detail
      */
-    public function checkout_small_document($document_id, $reason, $download)
+    public function checkout_small_document($document_id, $reason, $download, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.check_out');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3088,8 +3199,12 @@ class KTAPI
      * @param string $reason
      * @return kt_document_detail.
      */
-    public function undo_document_checkout($document_id, $reason)
+    public function undo_document_checkout($document_id, $reason, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.force_checkin');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3213,8 +3328,15 @@ class KTAPI
      * @param string $reason
      * @return kt_response
      */
-    public function delete_document($document_id, $reason)
+    public function delete_document($document_id, $reason, $sig_username = '', $sig_password = '', $auth_sig = true)
     {
+        if ($auth_sig)
+        {
+            $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                          'ktcore.transactions.delete');
+            if ($response['status_code'] == 1) return $response;
+        }
+        
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3245,8 +3367,12 @@ class KTAPI
      * @param string $documenttype
      * @return array
      */
-    public function change_document_type($document_id, $documenttype)
+    public function change_document_type($document_id, $documenttype, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason, 
+                                                       'ktcore.transactions.document_type_change');
+        if ($response['status_code'] == 1) return $response;
+        
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3279,8 +3405,12 @@ class KTAPI
      * @param string $newfilename
      * @return array
      */
- 	public function copy_document($document_id,$folder_id,$reason,$newtitle=null,$newfilename=null)
+ 	public function copy_document($document_id,$folder_id,$reason,$newtitle=null,$newfilename=null, $sig_username = '', $sig_password = '')
  	{
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.copy');
+        if ($response['status_code'] == 1) return $response;
+        
       	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3311,7 +3441,7 @@ class KTAPI
  	}
  	/**
- 	 * Move a folder to another location.
+ 	 * Move a document to another location.
  	 *
 	 * @author KnowledgeTree Team
 	 * @access public
@@ -3322,8 +3452,12 @@ class KTAPI
  	 * @param string $newfilename
  	 * @return array
  	 */
- 	public function move_document($document_id,$folder_id,$reason,$newtitle=null,$newfilename=null)
+ 	public function move_document($document_id,$folder_id,$reason,$newtitle=null,$newfilename=null, $sig_username = '', $sig_password = '')
  	{
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.move');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3368,8 +3502,12 @@ class KTAPI
  	 * @param string $newtitle
  	 * @return arry
  	 */
- 	public function rename_document_title($document_id,$newtitle)
+ 	public function rename_document_title($document_id,$newtitle, $sig_username = '', $sig_password = '', $reason = '')
  	{
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.rename');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3400,8 +3538,12 @@ class KTAPI
  	 * @param string $newfilename
  	 * @return array
  	 */
- 	public function rename_document_filename($document_id,$newfilename)
+ 	public function rename_document_filename($document_id,$newfilename, $sig_username = '', $sig_password = '', $reason = '')
  	{
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.rename');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3432,8 +3574,12 @@ class KTAPI
      * @param string $reason
      * @return array
      */
-    public function change_document_owner($document_id, $username, $reason)
+    public function change_document_owner($document_id, $username, $reason, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason, 
+                                                       'ktcore.transactions.document_owner_change');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3465,8 +3611,12 @@ class KTAPI
      * @param string $workflow
      * @return array
      */
-    public function start_document_workflow($document_id,$workflow)
+    public function start_document_workflow($document_id,$workflow, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.workflow_state_transition');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3495,8 +3645,12 @@ class KTAPI
 	 * @param int $document_id
 	 * @return array
 	 */
-    public function delete_document_workflow($document_id)
+    public function delete_document_workflow($document_id, $sig_username = '', $sig_password = '', $reason = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.workflow_state_transition');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3527,8 +3681,12 @@ class KTAPI
      * @param string $reason
      * @return array
      */
-    public function perform_document_workflow_transition($document_id,$transition,$reason)
+    public function perform_document_workflow_transition($document_id,$transition,$reason, $sig_username = '', $sig_password = '')
     {
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.workflow_state_transition');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3546,11 +3704,8 @@ class KTAPI
     	}
     	return $this->get_document_detail($document_id);
-
     }
-
-
     /**
      * Returns the metadata on a document.
      *
@@ -3607,8 +3762,11 @@ class KTAPI
 	 * @param array $metadata
 	 * @return array
 	 */
-	public function update_document_metadata($document_id,$metadata, $sysdata=null)
+	public function update_document_metadata($document_id,$metadata, $sysdata=null, $sig_username = '', $sig_password = '', $reason = '')
 	{
+        $response = $this->_check_electronic_signature($document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.metadata_update');
+        if ($response['status_code'] == 1) return $response;
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
@@ -3649,7 +3807,6 @@ class KTAPI
 	 */
 	public function get_document_workflow_transitions($document_id)
 	{
-
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3712,7 +3869,6 @@ class KTAPI
 	 */
 	public function get_document_transaction_history($document_id)
 	{
-
     	$document = &$this->get_document_by_id($document_id);
 		if (PEAR::isError($document))
     	{
@@ -3744,7 +3900,6 @@ class KTAPI
 	 */
 	public function get_folder_transaction_history($folder_id)
 	{
-
     	$folder = &$this->get_folder_by_id($folder_id);
 		if (PEAR::isError($folder))
     	{
@@ -3840,8 +3995,12 @@ class KTAPI
 	 * @param int $child_document_id
 	 * @return kt_response
 	 */
-	public function unlink_documents($parent_document_id, $child_document_id)
+	public function unlink_documents($parent_document_id, $child_document_id, $sig_username = '', $sig_password = '', $reason = '')
 	{
+        $response = $this->_check_electronic_signature($parent_document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.unlink');
+        if ($response['status_code'] == 1) return $response;
+
     	$document = &$this->get_document_by_id($parent_document_id);
 		if (PEAR::isError($document))
     	{
@@ -3880,8 +4039,11 @@ class KTAPI
 	 * @param string $type
 	 * @return boolean
 	 */
-	public function link_documents($parent_document_id, $child_document_id, $type)
+	public function link_documents($parent_document_id, $child_document_id, $type, $sig_username = '', $sig_password = '', $reason = '')
 	{
+        $response = $this->_check_electronic_signature($parent_document_id, $sig_username, $sig_password, $reason, $reason,
+                                                      'ktcore.transactions.link');
+        if ($response['status_code'] == 1) return $response;
     	$document = &$this->get_document_by_id($parent_document_id);
 		if (PEAR::isError($document))
@@ -4490,6 +4652,67 @@ class KTAPI
 		return $response;
 	}
+
+    /**
+     * Method to check whether electronic signatures are enabled
+     *
+     * @author KnowledgeTree Team
+	 * @access public
+     * @return bool $enabled true or false
+     */
+    public function electronic_sig_enabled()
+    {        
+        // Check config for api signatures enabled
+        $oConfig =& KTConfig::getSingleton();
+        $enabled = $oConfig->get('e_signatures/enableApiSignatures', false);
+        // Check that the license is valid
+        $enabled = (BaobabKeyUtil::getLicenseCount() >= MIN_LICENSES) & $enabled;
+
+        return $enabled;
+    }
+
+    /**
+     * Attempts authentication of the signature
+     *
+     * @author KnowledgeTree Team
+     * @access private
+     * @param string $username The users username.
+     * @param string $password The users password.
+     * @param string $comment A comment on the action performed.
+     * @param string $action The action performed.
+     * @param string $details Details about the action performed.
+     * @return bool True if authenticated | False if rejected
+     */
+    private function _authenticateSignature($username, $password, $comment, $action, $details)
+    {
+        $eSignature = new ESignature('api');
+        $result = $eSignature->sign($username, $password, $comment, $action, $details);
+        if(!$result){
+            $this->esig_error = $eSignature->getError();
+        }
+
+        return $result;
+    }
+
+    /**
+     * Method to execute electronic signature checks on action
+     */
+    private function _check_electronic_signature($item_id, $username, $password, $comment, $details, $action)
+    {
+        $response = array();
+        $response['status_code'] = 0;
+
+        // check electronic signature authentication, if on
+        if ($this->esig_enabled && !$this->_authenticateSignature($username, $password, $comment, $action, $item_id))
+        {
+            $response['status_code'] = 1;
+    	    $response['message'] = $this->esig_error;
+            
+    	    return $response;
+        }
+
+        return $response;
+    }
 }
@@ -117,7 +117,7 @@ class APITestCase extends KTUnitTestCase {
         // create the document object
         $randomFile = $this->createRandomFile();
-        $document = $this->root->add_document('title_1.txt', 'name_1.txt', 'Default', $randomFile);
+        $document = $this->root->add_document('title_1.txt', 'name_1.txt', 'Default', $randomFile, 'admin', 'admin', 'Testing API');
         @unlink($randomFile);
         $internalDocObject = $document->getObject();
@@ -132,7 +132,8 @@ class APITestCase extends KTUnitTestCase {
         // create the document object
         $randomFile = $this->createRandomFile();
-        $document2 = $this->root->add_document('title_2.txt', 'name_2.txt', 'Default', $randomFile);
+        $document2 = $this->root->add_document('title_2.txt', 'name_2.txt', 'Default', $randomFile, 'admin', 'admin', 'Testing API');
+        
         @unlink($randomFile);
         $internalDocObject2 = $document2->getObject();
@@ -301,7 +302,7 @@ class APITestCase extends KTUnitTestCase {
     {
         // create the document object
         $randomFile = $this->createRandomFile();
-        $document = $this->root->add_document('title_5.txt', 'name_5.txt', 'Default', $randomFile);
+        $document = $this->root->add_document('title_5.txt', 'name_5.txt', 'Default', $randomFile, 'admin', 'admin', 'reason');
         @unlink($randomFile);
         $documentID = $document->get_documentid();
@@ -432,7 +433,7 @@ class APITestCase extends KTUnitTestCase {
     {
         // Create a document and subscribe to it
         $randomFile = $this->createRandomFile();
-        $document = $this->root->add_document('test title 1', 'testfile1.txt', 'Default', $randomFile);
+        $document = $this->root->add_document('test title 1', 'testfile1.txt', 'Default', $randomFile, 'admin', 'admin', 'Testing API');
         @unlink($randomFile);
         $this->assertEntity($document, 'KTAPI_Document');
@@ -458,18 +459,18 @@ class APITestCase extends KTUnitTestCase {
     public function testFolderApiFunctions()
     {
         // check for a negative result
-        $result = $this->ktapi->create_folder(0, 'New test error api folder');
+        $result = $this->ktapi->create_folder(0, 'New test error api folder', 'admin', 'admin', 'Testing API');
         $this->assertNotEqual($result['status_code'], 0);
         // Create a folder
-        $result1 = $this->ktapi->create_folder(1, 'New test api folder');
+        $result1 = $this->ktapi->create_folder(1, 'New test api folder', 'admin', 'admin', 'Testing API');
         $folder_id = $result1['results']['id'];
         $this->assertEqual($result1['status_code'], 0);
         $this->assertTrue($result1['results']['parent_id'] == 1);
         // Create a sub folder
-        $result2 = $this->ktapi->create_folder($folder_id, 'New test api sub-folder');
+        $result2 = $this->ktapi->create_folder($folder_id, 'New test api sub-folder', 'admin', 'admin', 'Testing API');
         $folder_id2 = $result2['results']['id'];
         $this->assertEqual($result2['status_code'], 0);
@@ -477,8 +478,10 @@ class APITestCase extends KTUnitTestCase {
         global $default;
         $dir = $default->uploadDirectory;
         $tempfilename = $this->createRandomFile('some text', $dir);
-        $doc = $this->ktapi->add_document($folder_id,  'New API test doc', 'testdoc1.txt', 'Default', $tempfilename);
+        $doc = $this->ktapi->add_document($folder_id,  'New API test doc', 'testdoc1.txt', 'Default',
+                                                $tempfilename, 'admin', 'admin', 'Testing API');
+        
         $this->assertEqual($doc['status_code'], 0);
         $this->assertEqual($doc['results']['title'], 'New API test doc');
@@ -492,7 +495,7 @@ class APITestCase extends KTUnitTestCase {
         $this->assertTrue($detail['results']['parent_id'] == $folder_id);
         // Create a shortcut to the subfolder from the root folder
-        $shortcut = $this->ktapi->create_folder_shortcut(1, $folder_id2);
+        $shortcut = $this->ktapi->create_folder_shortcut(1, $folder_id2, 'admin', 'admin', 'Testing API');
         $this->assertEqual($shortcut['status_code'], 0);
         $this->assertEqual($shortcut['results']['folder_name'], 'New test api sub-folder');
         $this->assertEqual($shortcut['results']['parent_id'], 1);
@@ -502,7 +505,7 @@ class APITestCase extends KTUnitTestCase {
         $this->assertEqual(count($shortcut_list['results']), 1);
         // Rename the folder
-        $renamed = $this->ktapi->rename_folder($folder_id, 'Renamed test folder');
+        $renamed = $this->ktapi->rename_folder($folder_id, 'Renamed test folder', 'admin', 'admin', 'Testing API');
         $this->assertEqual($renamed['status_code'], 0);
         $renamed_detail = $this->ktapi->get_folder_detail_by_name('Renamed test folder');
@@ -512,9 +515,9 @@ class APITestCase extends KTUnitTestCase {
 //        $this->ktapi->copy_folder($source_id, $target_id, $reason);
 //        $this->ktapi->move_folder($source_id, $target_id, $reason);
-
         // Clean up - delete the folder
-        $this->ktapi->delete_folder($folder_id, 'Testing API');
+        $this->ktapi->delete_folder($folder_id, 'Testing API', 'admin', 'admin');
+        
         $detail2 = $this->ktapi->get_folder_detail($folder_id);
         $this->assertNotEqual($detail2['status_code'], 0);
     }
@@ -525,12 +528,12 @@ class APITestCase extends KTUnitTestCase {
     public function testDocumentApiFunctions()
     {
         // Create a folder
-        $result1 = $this->ktapi->create_folder(1, 'New test api folder');
+        $result1 = $this->ktapi->create_folder(1, 'New test api folder', 'admin', 'admin', 'Testing API');
         $folder_id = $result1['results']['id'];
         $this->assertEqual($result1['status_code'], 0);
         // Create a sub folder
-        $result2 = $this->ktapi->create_folder($folder_id, 'New test api sub-folder');
+        $result2 = $this->ktapi->create_folder($folder_id, 'New test api sub-folder', 'admin', 'admin', 'Testing API');
         $folder_id2 = $result2['results']['id'];
         $this->assertEqual($result2['status_code'], 0);
@@ -538,8 +541,9 @@ class APITestCase extends KTUnitTestCase {
         global $default;
         $dir = $default->uploadDirectory;
         $tempfilename = $this->createRandomFile('some text', $dir);
-        $doc = $this->ktapi->add_document($folder_id,  'New API test doc', 'testdoc1.txt', 'Default', $tempfilename);
-
+        $doc = $this->ktapi->add_document($folder_id,  'New API test doc', 'testdoc1.txt', 'Default', $tempfilename,
+                                              'admin', 'admin', 'Testing API');
+        
         $doc_id = $doc['results']['document_id'];
         $this->assertEqual($doc['status_code'], 0);
@@ -565,15 +569,15 @@ class APITestCase extends KTUnitTestCase {
         $this->assertEqual($detail4['results']['title'], 'New API test doc');
         // Checkout the document
-        $result1 = $this->ktapi->checkout_document($doc_id, 'Testing API', true);
+        $result1 = $this->ktapi->checkout_document($doc_id, 'Testing API', true, 'admin', 'admin');
         $this->assertEqual($result1['status_code'], 0);
         $this->assertTrue(!empty($result1['results']));
         // Checkin the document
         $dir = $default->uploadDirectory;
         $tempfilename = $this->createRandomFile('some text', $dir);
-        $result2 = $this->ktapi->checkin_document($doc_id,  'testdoc1.txt', 'Testing API', $tempfilename, false);
-
+        $result2 = $this->ktapi->checkin_document($doc_id,  'testdoc1.txt', 'Testing API', $tempfilename, false, 'admin', 'admin');
+        
         $this->assertEqual($result2['status_code'], 0);
         $this->assertEqual($result2['results']['document_id'], $doc_id);
@@ -584,11 +588,12 @@ class APITestCase extends KTUnitTestCase {
         $this->assertEqual($shortcut['results']['folder_id'], $folder_id);
         // Delete the document
-        $result3 = $this->ktapi->delete_document($doc_id, 'Testing API');
+        $result3 = $this->ktapi->delete_document($doc_id, 'Testing API', 'admin', 'admin', true);
         $this->assertEqual($result3['status_code'], 0);
         // Clean up - delete the folder
-        $this->ktapi->delete_folder($folder_id, 'Testing API');
+        $this->ktapi->delete_folder($folder_id, 'Testing API', 'admin', 'admin');
+        
         $detail2 = $this->ktapi->get_folder_detail($folder_id);
         $this->assertNotEqual($detail2['status_code'], 0);
     }
@@ -606,7 +611,7 @@ class APITestCase extends KTUnitTestCase {
         $randomFile = $this->createRandomFile();
         $this->assertTrue(is_file($randomFile));
-        $document = $folder->add_document($title, $filename, 'Default', $randomFile);
+        $document = $folder->add_document($title, $filename, 'Default', $randomFile, 'admin', 'admin', 'Testing API');
         $this->assertNotError($document);
         @unlink($randomFile);
@@ -22,7 +22,7 @@ class APIAutoTestCase extends KTUnitTestCase {
      * @var object $root The KT folder object
      */
     var $root;
-
+    
     /**
     * This method sets up the KT session
     *
@@ -42,8 +42,6 @@ class APIAutoTestCase extends KTUnitTestCase {
         $this->session->logout();
     }
-
-
 	function testJunkanonymous_login() { 
 		$result = $this->ktapi->anonymous_login(null);
 		$this->assertIsA($result, 'array');
@@ -92,31 +90,29 @@ class APIAutoTestCase extends KTUnitTestCase {
-	function tesRealdelete_folder() { 
-		$result = $this->ktapi->delete_folder($folder_id, $reason);
-		$this->assertIsA($result, 'array');
+	function tesRealdelete_folder() {
+        $result = $this->ktapi->delete_folder($folder_id, $reason, 'admin', 'admin');
+        $this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealrename_folder() { 
-		$result = $this->ktapi->rename_folder($folder_id, $newname);
-		$this->assertIsA($result, 'array');
+		$result = $this->ktapi->rename_folder($folder_id, $newname, 'admin', 'admin', 'Testing API');
+        $this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
 	function tesRealcopy_folder() { 
-		$result = $this->ktapi->copy_folder($source_id, $target_id, $reason);
-		$this->assertIsA($result, 'array');
+		$result = $this->ktapi->copy_folder($source_id, $target_id, $reason, 'admin', 'admin');
+        $this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
 	function tesRealmove_folder() { 
-		$result = $this->ktapi->move_folder($source_id, $target_id, $reason);
-		$this->assertIsA($result, 'array');
+		$result = $this->ktapi->move_folder($source_id, $target_id, $reason, 'admin', 'admin');
+        $this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
@@ -132,7 +128,7 @@ class APIAutoTestCase extends KTUnitTestCase {
 		$this->assertEqual($result['status_code'], 0);
 	}
-	function testJunkget_document_detail_by_filename() { 
+	function testJunkget_document_detail_by_filename() {
 		$result = $this->ktapi->get_document_detail_by_filename(null, null, null);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 1);
@@ -168,27 +164,25 @@ class APIAutoTestCase extends KTUnitTestCase {
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-	function tesRealget_document_shortcuts() { 
+	function tesRealget_document_shortcuts() {
 		$result = $this->ktapi->get_document_shortcuts($document_id);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-	function testJunkadd_document() { 
-		$result = $this->ktapi->add_document(null, null, null, null, null);
+	function testJunkadd_document() {
+		$result = $this->ktapi->add_document(null, null, null, null, null, 'admin', 'admin', 'Testing API');
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 1);
 	}
 	function tesRealadd_document() { 
-		$result = $this->ktapi->add_document($folder_id, $title, $filename, $documenttype, $tempfilename);
+		$result = $this->ktapi->add_document($folder_id, $title, $filename, $documenttype, $tempfilename,
+                                             'admin', 'admin', 'Testing API');
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealadd_small_document_with_metadata() { 
 		$result = $this->ktapi->add_small_document_with_metadata($folder_id, $title, $filename, $documenttype, $base64, $metadata, $sysdata);
 		$this->assertIsA($result, 'array');
@@ -214,18 +208,17 @@ class APIAutoTestCase extends KTUnitTestCase {
 	}
 	function testJunkcheckin_document() { 
-		$result = $this->ktapi->checkin_document(null, null, null, null, null);
+		$result = $this->ktapi->checkin_document(null, null, null, null, null, 'admin', 'admin');
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 1);
 	}
 	function tesRealcheckin_document() { 
-		$result = $this->ktapi->checkin_document($document_id, $filename, $reason, $tempfilename, $major_update);
+		$result = $this->ktapi->checkin_document($document_id, $filename, $reason, $tempfilename, $major_update, 'admin', 'admin');
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealcheckin_small_document_with_metadata() { 
 		$result = $this->ktapi->checkin_small_document_with_metadata($document_id, $filename, $reason, $base64, $major_update, $metadata, $sysdata);
 		$this->assertIsA($result, 'array');
@@ -238,62 +231,48 @@ class APIAutoTestCase extends KTUnitTestCase {
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealcheckin_small_document() { 
 		$result = $this->ktapi->checkin_small_document($document_id, $filename, $reason, $base64, $major_update);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealcheckout_document() { 
 		$result = $this->ktapi->checkout_document($document_id, $reason, $download);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealcheckout_small_document() { 
 		$result = $this->ktapi->checkout_small_document($document_id, $reason, $download);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealundo_document_checkout() { 
-		$result = $this->ktapi->undo_document_checkout($document_id, $reason);
+		$result = $this->ktapi->undo_document_checkout($document_id, $reason, 'admin', 'admin');
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealdownload_document() { 
 		$result = $this->ktapi->download_document($document_id, $version);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealdownload_small_document() { 
 		$result = $this->ktapi->download_small_document($document_id, $version);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealdelete_document() { 
 		$result = $this->ktapi->delete_document($document_id, $reason);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealchange_document_type() { 
 		$result = $this->ktapi->change_document_type($document_id, $documenttype);
 		$this->assertIsA($result, 'array');
@@ -306,86 +285,72 @@ class APIAutoTestCase extends KTUnitTestCase {
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealrename_document_title() { 
 		$result = $this->ktapi->rename_document_title($document_id, $newtitle);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
-
 	function tesRealrename_document_filename() { 
 		$result = $this->ktapi->rename_document_filename($document_id, $newfilename);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealchange_document_owner() { 
 		$result = $this->ktapi->change_document_owner($document_id, $username, $reason);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealstart_document_workflow() { 
 		$result = $this->ktapi->start_document_workflow($document_id, $workflow);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealdelete_document_workflow() { 
-		$result = $this->ktapi->delete_document_workflow($document_id);
+		$result = $this->ktapi->delete_document_workflow($document_id, 'Testing API', 'admin', 'admin', true);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealperform_document_workflow_transition() { 
 		$result = $this->ktapi->perform_document_workflow_transition($document_id, $transition, $reason);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealget_document_metadata() { 
 		$result = $this->ktapi->get_document_metadata($document_id);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealupdate_document_metadata() { 
 		$result = $this->ktapi->update_document_metadata($document_id, $metadata, $sysdata);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealget_document_workflow_state() { 
 		$result = $this->ktapi->get_document_workflow_state($document_id);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealget_document_transaction_history() { 
 		$result = $this->ktapi->get_document_transaction_history($document_id);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealget_document_version_history() { 
 		$result = $this->ktapi->get_document_version_history($document_id);
 		$this->assertIsA($result, 'array');
 		$this->assertEqual($result['status_code'], 0);
 	}
-
 	function tesRealget_document_links() { 
 		$result = $this->ktapi->get_document_links($document_id);
 		$this->assertIsA($result, 'array');