#5023 / Fabric: Cut, rotate and enhance uploaded images

HelperFormElement.php: AppendFormElementNameImageCut()
Support.php: Force Sanatize Class fuer FE.type=imageCut.
AbstractBuildForm.php: Add source filename to SIP
QuickFormQuery.php: Call $save->processAllImageCutFE();
Save.php: processAllImageCutFE(), extractImageDataReplaceFile()

extension/qfq/qfq/AbstractBuildForm.php

@@ -2969,6 +2969,12 @@ abstract class AbstractBuildForm {
             }
         }
 
+        if ($mode === FORM_LOAD) {
+            // Store source filename in SIP
+            $field = HelperFormElement::AppendFormElementNameImageCut($formElement);
+            $this->store->setVar($field, $value, STORE_SIP, false);
+        }
+
         $htmlFabricId = $formElement[FE_HTML_ID];
         $htmlFabricImageId = $formElement[FE_HTML_ID] . '-image';
 

extension/qfq/qfq/Constants.php

@@ -205,6 +205,7 @@ const ERROR_IO_DIR_EXIST_AS_FILE = 1309;
 const ERROR_IO_CHDIR = 1310;
 const ERROR_IO_CREATE_FILE = 1311;
 const ERROR_IO_COPY_FILE = 1312;
+const ERROR_IO_FILE_NOT_FOUND = 1313;
 
 //Report
 const ERROR_UNKNOWN_LINK_QUALIFIER = 1400;
@@ -952,6 +953,7 @@ const FE_FILE_BUTTON_TEXT_DEFAULT = 'Choose File';
 
 const FE_IMAGE_CUT_RESIZE_WIDTH = 'resizeWidth';
 const FE_IMAGE_CUT_KEEP_ORIGINAL = 'keepOriginal';
+const FE_IMAGE_CUT_ORIGINAL_EXTENSION = '.save';
 
 const FE_FLAG_ROW_OPEN_TAG = '_flagRowOpenTag'; // will be automatically computed during Formload: true | false
 const FE_FLAG_ROW_CLOSE_TAG = '_flagRowCloseTag'; // will be automatically computed during Formload: true | false

extension/qfq/qfq/QuickFormQuery.php

@@ -385,6 +385,9 @@ class QuickFormQuery {
 
                 // SAVE
                 $save = new Save($this->formSpec, $this->feSpecAction, $this->feSpecNative, $this->feSpecNativeRaw);
+
+                $save->processAllImageCutFE();
+
                 $rc = $save->process();
 
                 // Reload fresh saved record and fill STORE_RECORD with it.

extension/qfq/qfq/Save.php

@@ -350,6 +350,95 @@ class Save {
         }
     }
 
+    /**
+     * Process all Upload Formelements for the given $recordId. After processing &$formValues will be updated with the
+     * final filenames.
+     *
+     */
+    public function processAllImageCutFE() {
+
+        foreach ($this->feSpecNative AS $formElement) {
+            // skip non upload formElements
+            if ($formElement[FE_TYPE] != FE_TYPE_IMAGE_CUT) {
+                continue;
+            }
+
+            $this->extractImageDataReplaceFile($formElement);
+        }
+    }
+
+    /**
+     *
+     * @param array $formElement
+     * @throws CodeException
+     * @throws UserFormException
+     */
+    private function extractImageDataReplaceFile(array $formElement) {
+
+        // Take care the necessary target directories exist.
+        $cwd = getcwd();
+        $sitePath = $this->store->getVar(SYSTEM_SITE_PATH, STORE_SYSTEM);
+        if ($cwd === false || $sitePath === false || !chdir($sitePath)) {
+            throw new UserFormException("getcwd() failed or SITE_PATH undefined or chdir('$sitePath') failed.", ERROR_IO_CHDIR);
+        }
+
+        // Get original pathfilename
+        $field = HelperFormElement::AppendFormElementNameImageCut($formElement);
+        $pathFileName = $this->store->getVar($field, STORE_SIP);
+        if ($pathFileName == '' || !file_exists($pathFileName)) {
+            throw new UserFormException('Empty file or file not found: ' . $pathFileName, ERROR_IO_FILE_NOT_FOUND);
+        }
+
+        // 'data:image/png;base64,AAAFBfj42Pj4...';
+        $data = $this->store->getVar($formElement[FE_NAME], STORE_FORM, SANITIZE_ALLOW_ALLBUT);
+        // Replace data by pathFileName (that is stored in DB).
+        $this->store->setVar($formElement[FE_NAME], $pathFileName, STORE_FORM, true);
+
+        if ($data == '') {
+            return; // Nothing to do
+        }
+
+        // Split base64 encoded image: 'data:image/png;base64,AAAFBfj42Pj4...'
+        list($type, $imageData) = explode(';', $data, 2); // $type= 'data:image/png;', $imageData='base64,AAAFBfj42Pj4...'
+        list(, $extension) = explode('/', $type); // $type='png'
+        list(, $imageData) = explode(',', $imageData); // $imageData='AAAFBfj42Pj4...'
+
+        // If undefined: set default. BTW: Defined and empty means "no original".
+        if (!isset($formElement[FE_IMAGE_CUT_KEEP_ORIGINAL])) {
+            $formElement[FE_IMAGE_CUT_KEEP_ORIGINAL] = FE_IMAGE_CUT_ORIGINAL_EXTENSION;
+        }
+        $extSave = $formElement[FE_IMAGE_CUT_KEEP_ORIGINAL];
+
+        $pathParts = pathinfo($pathFileName);
+        // Keep the original file?
+        if ($extSave != '') {
+
+            // In case the leading '.' is missing.
+            if ($extSave[0] != ".") {
+                $extSave = '.' . $extSave;
+            }
+
+            // Check if there is already an original - don't create an additional one.
+            if (!file_exists($pathFileName . $extSave) &&
+                !file_exists($pathParts['dirname'] . $pathParts['filename'] . $extSave)
+            ) {
+                if (!rename($pathFileName, $pathFileName . $extSave)) {
+                    throw new UserFormException("Rename file: '$pathFileName' > '$pathFileName$extSave'", ERROR_IO_RENAME);
+                }
+            }
+        }
+
+        if ($extension != $pathParts['extension']) {
+            $pathFileName .= "." . $extension;
+        }
+
+        if (false === file_put_contents($pathFileName, base64_decode($imageData))) {
+            throw new UserFormException("Write new image failed: $pathFileName", ERROR_IO_WRITE);
+        }
+
+        $this->store->setVar($formElement[FE_NAME], $pathFileName, STORE_FORM, true);
+    }
+
     /**
      * Process upload for the given Formelement. If necessary, delete a previous uploaded file.
      * Calculate the final path/filename and move the file to the new location.

extension/qfq/qfq/helper/HelperFormElement.php

@@ -111,6 +111,18 @@ class HelperFormElement {
         return "$field" . HTML_DELIMITER_NAME . "$id";
     }
 
+    /**
+     * Build the internal FE name for an imageCut element (used only in SIP): <field>-imageCut
+     *
+     * @param array $formElement
+     * @return string
+     */
+    public static function AppendFormElementNameImageCut(array $formElement) {
+        $field = ($formElement[FE_NAME] == '') ? $formElement[FE_ID] : $formElement[FE_NAME];
+
+        return "$field" . HTML_DELIMITER_NAME . FE_TYPE_IMAGE_CUT;
+    }
+
     /**
      * Build the FE id: <$formId>-<$formElementId>-<$formElementCopy>
      *
@@ -125,6 +137,7 @@ class HelperFormElement {
         return "$formId" . HTML_DELIMITER_ID . "$formElementId" . HTML_DELIMITER_ID . "$recordId" . HTML_DELIMITER_ID . "$formElementCopy";
     }
 
+
     /**
      * In an array for $feSpecNative, set FE_HTML_ID for all fe.class=FE_CONTAINER Elements.
      *

extension/qfq/qfq/helper/Support.php

@@ -756,6 +756,14 @@ class Support {
 
         self::setIfNotSet($formElement, FE_INPUT_EXTRA_BUTTON_INFO_CLASS, $store->getVar(FE_INPUT_EXTRA_BUTTON_INFO_CLASS, STORE_SYSTEM));
 
+        switch ($formElement[FE_TYPE]) {
+            case FE_TYPE_IMAGE_CUT:
+                $formElement[FE_CHECK_TYPE] = SANITIZE_ALLOW_ALLBUT;
+                break;
+            default:
+                break;
+        }
+
         return $formElement;
     }