PMC-557

workflow/engine/src/ProcessMaker/Util/helpers.php

@@ -431,6 +431,50 @@ function arrayDiffRecursive(array $array1, array $array2)
     return $difference;
 }
 
+/**
+ * Replace all supported variables prefixes to the prefix sent
+ *
+ * @param string $outDocFilename
+ * @param string $prefix
+ *
+ * @return string
+ *
+ * @see cases_Step.php
+ * @see \ProcessMaker\BusinessModel\Cases\OutputDocument::addCasesOutputDocument()
+ * @link https://wiki.processmaker.com/3.2/Triggers#Typing_rules_for_Case_Variables
+ */
+function replacePrefixes($outDocFilename, $prefix = '@=')
+{
+    $outDocFile = str_replace(['@@', '@#', '@=', '@%', '@?', '@$', '@&', '@Q', '@q', '@!'], $prefix, $outDocFilename);
+
+    return $outDocFile;
+}
+
+/**
+ * Encoding header filename used in Content-Disposition
+ *
+ * @param string $fileName
+ * @param string $replacement
+ *
+ * @return string
+ *
+ * @see cases_Step.php
+ * @see \ProcessMaker\BusinessModel\Cases\OutputDocument::addCasesOutputDocument()
+ */
+function fixContentDispositionFilename($fileName, $replacement = '_')
+{
+    //(double quote) has to be removed
+    //(forward slash) has to replaced by underscore
+    //(backslash) has to replaced by underscore
+    $default = [
+        '/[\"]/' => '',
+        '/[\\|\/]/' => $replacement,
+        '/\\\\/' => $replacement
+    ];
+
+    return preg_replace(array_keys($default), array_values($default), $fileName);
+}
+
 /**
  * Get the current user CSRF token.
  *