can add basic auth credentials to load image file from protected shop

Application/Model/AbstractClasses/pdfdocumentsGeneric.php

@@ -196,6 +196,27 @@ abstract class pdfdocumentsGeneric extends Base implements genericInterface
 
         self::$_blIsAdmin = $blCurrentRenderFromAdmin;
 
+        $content = $this->addBasicAuth($content);
+
+        return $content;
+    }
+
+    protected function addBasicAuth($content)
+    {
+        $username = trim(Registry::getConfig()->getConfigParam('d3PdfDocumentsbasicAuthUserName'));
+        $password = trim(Registry::getConfig()->getConfigParam('d3PdfDocumentsbasicAuthPassword'));
+
+        if ($username && $password) {
+            $shopUrl  = parse_url( Registry::getConfig()->getShopCurrentUrl() );
+            $pattern  = '/(["|\'])'.
+                        '(' . preg_quote( $shopUrl['scheme'], '/' ) . ':\/\/)'.
+                        '(' . preg_quote( $shopUrl['host'], '/' ) . '.*?)'.
+                        '\1/m';
+            $replace  = "$1$2" . urlencode($username). ":" . urlencode($password) . "@$3$1";
+
+            $content = preg_replace( $pattern, $replace, $content );
+        }
+
         return $content;
     }
 

Application/views/admin/de/pdfdocuments_lang.php

@@ -9,11 +9,22 @@
  */
 
 $sLangName = "Deutsch";
+
+$basicAuthHelp = <<<HELP
+Befindet sich der aktuelle Shop hinter einem BasicAuth, können beim Generieren des PDFs die Bilder nicht geladen werden. Tragen Sie hier die Zugangsdaten ein, um die Bilder zu sehen.  
+HELP;
+
 $aLang     = array(
     'charset'                                            => 'utf-8',
 
     'SHOP_MODULE_GROUP_d3PdfDocumentsmain'               => 'Grundeinstellungen',
     'SHOP_MODULE_d3PdfDocumentsbDev'                     => 'Entwicklermodus',
+    'HELP_SHOP_MODULE_d3PdfDocumentsbDev'                => 'Mit aktiviertem Entwicklermodus wird das Dokument im '.
+                                    'HTML-Format ausgegeben. Inhaltliche Fehler können so besser nachvollzogen werden.',
+    'SHOP_MODULE_d3PdfDocumentsbasicAuthUserName'        => 'BasicAuth des Shops - Benutzername (optional)',
+    'HELP_SHOP_MODULE_d3PdfDocumentsbasicAuthUserName'   => $basicAuthHelp,
+    'SHOP_MODULE_d3PdfDocumentsbasicAuthPassword'        => 'BasicAuth des Shops - Passwort (optional)',
+    'HELP_SHOP_MODULE_d3PdfDocumentsbasicAuthPassword'   => $basicAuthHelp,
 
     'D3_PDFDOCUMENTS'                                    => 'PDF-Dokumente',
     'D3_PDFDOCUMENTS_INVOICE'                            => 'Rechnung',

Application/views/admin/en/pdfdocuments_lang.php

@@ -9,11 +9,22 @@
  */
 
 $sLangName = "English";
+
+$basicAuthHelp = <<<HELP
+If the current shop is protected by a BasicAuth, the images cannot be loaded when the PDF is generated. Enter the access data here to view the images.  
+HELP;
+
 $aLang     = array(
     'charset'                                            => 'utf-8',
 
     'SHOP_MODULE_GROUP_d3PdfDocumentsmain'               => 'Basic settings',
     'SHOP_MODULE_d3PdfDocumentsbDev'                     => 'Developer mode',
+    'HELP_SHOP_MODULE_d3PdfDocumentsbDev'                => 'If developer mode is activated, the document is output in '.
+                                                    'HTML format. This makes it much easier to trace content errors.',
+    'SHOP_MODULE_d3PdfDocumentsbasicAuthUserName'        => 'BasicAuth of the shop - user name (optional)',
+    'HELP_SHOP_MODULE_d3PdfDocumentsbasicAuthUserName'   => $basicAuthHelp,
+    'SHOP_MODULE_d3PdfDocumentsbasicAuthPassword'        => 'BasicAuth of the shop - password (optional)',
+    'HELP_SHOP_MODULE_d3PdfDocumentsbasicAuthPassword'   => $basicAuthHelp,
 
     'D3_PDFDOCUMENTS'                                    => 'PDF Documents',
     'D3_PDFDOCUMENTS_INVOICE'                            => 'Invoice',

metadata.php

@@ -85,6 +85,16 @@ $aModule = [
             'name' => $sModuleId.'bDev', 
             'type' => 'bool',
             'value' => false
+        ],
+        [
+            'group' => $sModuleId.'main',
+            'name' => $sModuleId.'basicAuthUserName',
+            'type' => 'str'
+        ],
+        [
+            'group' => $sModuleId.'main',
+            'name' => $sModuleId.'basicAuthPassword',
+            'type' => 'password'
         ]
     ]
 ];