gppa-encrypt-fileupload-field-links.php: Added a snippet that encrypts file upload field links with GPPA.

gp-populate-anything/gppa-encrypt-fileupload-field-links.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Gravity Perks // Populate Anything // Encrypt File Upload Field Links
+ * https://gravitywiz.com/documentation/gravity-forms-populate-anything/
+ *
+ * Encrypt File Upload Links when populated with GP Populate Anything.
+ *
+ * Note: This will disable the default behavior of file upload field encryption on Gravity Forms.
+ * Instead, it will manually encrypt the file upload links directly on the Gravity Forms Entry.
+ */
+add_filter( 'gform_secure_file_download_location', '__return_false' );
+
+// Update 729 and 1 to the Form ID and Field ID of the dynamically populated field loading File Upload field links.
+add_filter( 'gform_save_field_value_729_1', 'encrypt_links', 10, 4 );
+function encrypt_links( $value, $lead, $field, $form ) {
+	$upload_root = GFFormsModel::get_upload_url( $form['id'] );
+	$upload_root = trailingslashit( $upload_root );
+
+	if ( strpos( $value, $upload_root ) !== false ) {
+		$value        = str_replace( $upload_root, '', $value );
+		$download_url = site_url( 'index.php' );
+		$args         = array(
+			'gf-download' => urlencode( $value ),
+			'form-id' => $form['id'],
+			'field-id' => $field['id'],
+			'hash' => GFCommon::generate_download_hash( $form['id'], $field['id'], $value ),
+		);
+		$download_url = add_query_arg( $args, $download_url );
+
+		return $download_url;
+	}
+	return $value;
+}