Check if files exist and drop fileadmin/ter/ prefix

html/typo3conf/ext/ter/class.tx_ter_helper.php

@@ -432,9 +432,16 @@ class tx_ter_helper
                 $versionObj->appendChild(new DOMElement('reviewstate', intval($extensionVersionArr['reviewstate'])));
                 $versionObj->appendChild(new DOMElement('category', $this->xmlentities($extensionVersionArr['category'])));
                 if ($extensionVersionArr['category'] === 'distribution') {
-                    $prefixPathToDistributionFiles = 'fileadmin/ter/' . $extensionKey[0] . '/' . $extensionKey[1] . '/' . $extensionKey . '_' . $versionNumber . '_';
-                    $versionObj->appendChild(new DOMElement('distributionImage', $this->xmlentities($prefixPathToDistributionFiles . 'Distribution.png')));
-                    $versionObj->appendChild(new DOMElement('distributionImageWelcome', $this->xmlentities($prefixPathToDistributionFiles . 'DistributionWelcome.png')));
+                    $prefixPathOnServer = PATH_site . 'fileadmin/ter/';
+                    $prefixDistributionFilePath = $extensionKey[0] . '/' . $extensionKey[1] . '/' . $extensionKey . '_' . $versionNumber . '_';
+                    $distributionImage = $prefixDistributionFilePath . 'Distribution.png';
+                    $distributionWelcomeImage = $prefixDistributionFilePath . 'DistributionWelcome.png';
+                    if (is_file($prefixPathOnServer . $distributionImage)) {
+                        $versionObj->appendChild(new DOMElement('distributionImage', $this->xmlentities($distributionImage)));
+                    }
+                    if (is_file($prefixPathOnServer . $distributionWelcomeImage)) {
+                        $versionObj->appendChild(new DOMElement('distributionImageWelcome', $this->xmlentities($distributionWelcomeImage)));
+                    }
                 }
                 $versionObj->appendChild(
                     new DOMElement(