Constants.php

<?php
/**
 * Created by PhpStorm.
 * User: crose
 * Date: 1/1/16
 * Time: 8:35 PM
 */

const EXT_KEY = 'qfq';
const CONFIG_QFQ_INI = "config.qfq.ini";  // QFQ configuration file: db access - deprecated
const CONFIG_QFQ_PHP = "config.qfq.php";  // QFQ configuration file: db access
const CONFIG_T3 = 'LocalConfiguration.php'; // T3 config file

const GFX_INFO = 'typo3conf/ext/qfq/Resources/Public/icons/note.gif';
const API_DIR = 'typo3conf/ext/qfq/Source/api';
const API_DIR_EXT = 'Source/api';

const PATH_ICONS = 'typo3conf/ext/qfq/Resources/Public/icons';

const QFQ_TEMP_FILE_PATTERN = 'qfq.split.XXXXX';
const QFQ_TEMP_SOURCE = '.temp.source';

const MAX_LENGTH_IPV6 = 45;
const LENGTH_HEX_COLOR = 6; // 'ffeedd'
const SESSION_NAME = 'qfq';
const SESSION_FE_USER_UID = 'feUserUid';
const SESSION_FE_USER = 'feUser';
const SESSION_FE_USER_GROUP = 'feUserGroup';
const SESSION_BE_USER = 'beUser';

const TABLE_NAME_FORM = 'Form';
const TABLE_NAME_FORM_ELEMENT = 'FormElement';
const TABLE_NAME_SPLIT = 'Split';

// Form Mode
const FORM_LOAD = 'form_load';
const FORM_SAVE = 'form_save';
const FORM_UPDATE = 'form_update';
const FORM_DELETE = 'form_delete';
const FORM_DRAG_AND_DROP = 'form_drag_and_drop';
const FORM_REST = 'form_rest';

const FORM_PERMISSION_SIP = 'sip';
const FORM_PERMISSION_LOGGED_IN = 'logged_id';
const FORM_PERMISSION_LOGGED_OUT = 'logged_out';
const FORM_PERMISSION_ALWAYS = 'always';
const FORM_PERMISSION_NEVER = 'never';
const FORM_PERMISSION_REST = 'rest';
const FORM_BUTTON_NEW = 'new';
const FORM_BUTTON_DELETE = 'delete';
const FORM_BUTTON_CLOSE = 'close';
const FORM_BUTTON_SAVE = 'save';

const REPORT_SAVE = 'reportSave';

const F_BS_COLUMNS = 'bsColumns';

const F_BS_LABEL_COLUMNS = 'bsLabelColumns';
const F_BS_INPUT_COLUMNS = 'bsInputColumns';
const F_BS_NOTE_COLUMNS = 'bsNoteColumns';

const RETURN_URL = 'return_url';
const RETURN_SIP = 'return_sip';
const RETURN_ARRAY = 'return_array';

const SQL_FORM_ELEMENT_BY_ID = "SELECT * FROM FormElement AS fe WHERE fe.id = ?";
const SQL_FORM_ELEMENT_RAW = "SELECT * FROM FormElement AS fe WHERE fe.formId = ? AND fe.deleted = 'no' AND fe.enabled='yes' ORDER BY fe.ord, fe.id";
const SQL_FORM_ELEMENT_SPECIFIC_CONTAINER = "SELECT *, ? AS 'nestedInFieldSet' FROM FormElement AS fe WHERE fe.formId = ? AND fe.deleted = 'no' AND FIND_IN_SET(fe.class, ? ) AND fe.feIdContainer = ? AND fe.enabled='yes' ORDER BY fe.ord, fe.id";
const SQL_FORM_ELEMENT_ALL_CONTAINER = "SELECT *, ? AS 'nestedInFieldSet' FROM FormElement AS fe WHERE fe.formId = ? AND fe.deleted = 'no' AND FIND_IN_SET(fe.class, ? ) AND fe.enabled='yes' ORDER BY fe.ord, fe.id";
const SQL_FORM_ELEMENT_SIMPLE_ALL_CONTAINER = "SELECT fe.id, fe.feIdContainer, fe.name, fe.value, fe.label, fe.type, fe.encode, fe.checkType, fe.checkPattern, fe.mode, fe.modeSql, fe.parameter, fe.dynamicUpdate FROM FormElement AS fe, Form AS f WHERE f.name = ? AND f.id = fe.formId AND fe.deleted = 'no' AND fe.class = 'native' AND fe.enabled='yes' ORDER BY fe.ord, fe.id";
const SQL_FORM_ELEMENT_CONTAINER_TEMPLATE_GROUP = "SELECT fe.id, fe.name, fe.label, fe.maxLength, fe.parameter FROM FormElement AS fe, Form AS f WHERE f.name = ? AND f.id = fe.formId AND fe.deleted = 'no' AND fe.class = 'container' AND fe.type='templateGroup' AND fe.enabled='yes' ORDER BY fe.ord, fe.id";
const SQL_FORM_ELEMENT_TEMPLATE_GROUP_FE_ID = "SELECT * FROM FormElement AS fe WHERE fe.id = ? AND fe.deleted = 'no' AND fe.class = 'container' AND fe.type='templateGroup' AND fe.enabled='yes' ";
//const SQL_FORM_ELEMENT_NATIVE_TG_COUNT = "SELECT fe.*, IFNULL(feTg.maxLength,0) AS _tgCopies FROM FormElement AS fe LEFT JOIN FormElement AS feTg ON fe.feIdContainer=feTg.id AND feTg.deleted = 'no' AND feTg.class = 'container' AND feTg.type='templateGroup' AND feTg.enabled='yes' WHERE fe.formId = ? AND fe.deleted = 'no' AND fe.class = 'native' AND fe.enabled='yes'";
const SQL_FORM_ELEMENT_NATIVE_TG_COUNT = "SELECT fe.*, IFNULL(feTg.maxLength,0) AS _tgCopies FROM FormElement AS fe LEFT JOIN FormElement AS feTg ON fe.feIdContainer=feTg.id AND feTg.deleted = 'no' AND feTg.class = 'container' AND feTg.type='templateGroup' AND feTg.enabled='yes' WHERE fe.formId = ? AND fe.deleted = 'no' AND (fe.class = 'native' OR (fe.class = 'container' AND fe.type='pill')) AND fe.enabled='yes'";

const NAME_TG_COPIES = '_tgCopies';  // Number of templatesGroup copies to create on the fly. Also used in SQL_FORM_ELEMENT_NATIVE_TG_COUNT.
const FE_TG_INDEX = '_tgIndex'; // Index of the current copy of a templateGroup FE.

// SANITIZE Classifier
const SANITIZE_ALLOW_AUTO = "auto"; // Default for FormElements
const SANITIZE_ALLOW_ALNUMX = "alnumx";
const SANITIZE_ALLOW_DIGIT = "digit";
const SANITIZE_ALLOW_NUMERICAL = "numerical";
const SANITIZE_ALLOW_EMAIL = "email";
const SANITIZE_ALLOW_PATTERN = "pattern";
const SANITIZE_ALLOW_ALLBUT = "allbut";
const SANITIZE_ALLOW_ALL = "all";
const SANITIZE_DEFAULT = SANITIZE_ALLOW_DIGIT; // for {{variable}} expressions without checkType

const SANITIZE_EXCEPTION = 'exception';
const SANITIZE_EMPTY_STRING = 'empty string';

const SANITIZE_VIOLATE = '!!';

const SANITIZE_ALLOW_ALNUMX_MESSAGE = 'Allowed characters: 0...9, [latin character], @-_.m;: /()';
const SANITIZE_ALLOW_DIGIT_MESSAGE = 'Allowed characters: 0...9';
const SANITIZE_ALLOW_NUMERICAL_MESSAGE = 'Allowed characters: 0...9 and .+-';
const SANITIZE_ALLOW_EMAIL_MESSAGE = 'Requested format: string@domain.tld';
const SANITIZE_ALLOW_ALLBUT_MESSAGE = 'Forbidden characters: ^[]{}%\#';

const SANITIZE_TYPE_MESSAGE_VIOLATE_EMPTY = 'e';
const SANITIZE_TYPE_MESSAGE_VIOLATE_ZERO = '0';
const SANITIZE_TYPE_MESSAGE_VIOLATE_CLASS = 'c';

const PATTERN_ALNUMX = '^[@\-_\.,;: \/\(\)a-zA-Z0-9ÀÈÌÒÙàèìòùÁÉÍÓÚÝáéíóúýÂÊÎÔÛâêîôûÃÑÕãñõÄËÏÖÜŸäëïöüÿç]*$';
const PATTERN_DIGIT = '^[\d]*$';
const PATTERN_NUMERICAL = '^[\d.+-]*$';
const PATTERN_EMAIL = '^([a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,})?$';
const PATTERN_ALLBUT = '^[^\[\]{}%\\\\#]*$';
const PATTERN_ALL = '.*';


// Index wrap setup table
const WRAP_SETUP_TITLE = 'title';
const WRAP_SETUP_ELEMENT = 'element';
const WRAP_SETUP_LABEL = 'label';
const WRAP_SETUP_INPUT = 'input';
const WRAP_SETUP_NOTE = 'note';
const WRAP_SETUP_SUBRECORD = 'subrecord';
const WRAP_SETUP_IN_FIELDSET = 'inFieldset';
const WRAP_SETUP_IN_TEMPLATE_GROUP = 'inTemplateGroup';
const WRAP_SETUP_START = 'start';
const WRAP_SETUP_CLASS = 'class';
const WRAP_SETUP_END = 'end';

// dbQuerySimple
const ROW_REGULAR = "regular";
const ROW_IMPLODE_ALL = "implode_all";
const ROW_EXPECT_0 = "expect_0";
const ROW_EXPECT_1 = "expect_1";
const ROW_EXPECT_0_1 = "expect_0_1";
const ROW_EXPECT_GE_1 = "expect_ge_1";
const ROW_KEYS = "keys";

// KeyValueParser
const KVP_IF_VALUE_EMPTY_COPY_KEY = 'if_value_empty_copy_key';
const KVP_VALUE_GIVEN = 'value_given';

// https://lib2.colostate.edu/wildlife/atoz.php?letter=ALL
// JSON encoded messages thrown through an exception:
const ERROR_MESSAGE_TO_USER = 'toUser'; // always shown to the user.
const ERROR_MESSAGE_TO_DEVELOPER = 'support'; // Message to help the developer to understand the problem.
const ERROR_MESSAGE_TO_DEVELOPER_SANITIZE = 'support_sanitize'; // Typically 'true' or missing. If 'false' then content of 'support' won't be html encoded.
const ERROR_MESSAGE_OS = 'os'; // Error message from the OS - like 'file not found' or specific SQL problem
const ERROR_MESSAGE_HTTP_STATUS = 'httpStatus'; // HTTP Status Code to report

// QFQ Error Codes
const ERROR_UNKNOW_SANITIZE_CLASS = 1001;
const ERROR_QUIT_QFQ_REGULAR = 1001;
const ERROR_CODE_SHOULD_NOT_HAPPEN = 1003;
const ERROR_SIP_MALFORMED = 1005;
const ERROR_SIP_INVALID = 1006;
const ERROR_MISSING_RECORD_ID = 1007;
const ERROR_IN_SQL_STATEMENT = 1008;
const ERROR_MISSING_REQUIRED_PARAMETER = 1009;
const ERROR_FE_NESTED_TOO_MUCH = 1010;
const ERROR_BROKEN_PARAMETER = 1011;
const ERROR_FE_USER_UID_CHANGED = 1012;
const ERROR_SIP_NOT_FOUND = 1013;
const ERROR_SIP_NOT_ALLOWED_AS_PARAM = 1014;
const ERROR_SIP_NEEDED_FOR_THIS_FORM = 1015;
const ERROR_SIP_EXIST_BUT_OTHER_PARAM_GIVEN_BY_CLIENT = 1016;
const ERROR_USER_NOT_LOGGED_IN = 1017;
const ERROR_USER_LOGGED_IN = 1018;
const ERROR_FORM_FORBIDDEN = 1019;
const ERROR_FORM_UNKNOWN_PERMISSION_MODE = 1020;
const ERROR_MULTI_SQL_MISSING = 1021;
const ERROR_TOKEN_MISSING = 1022;
const ERROR_RECURSION_TOO_DEEP = 1023;
const ERROR_CHECKBOXMODE_UNKNOWN = 1024;
const ERROR_MISSING_SQL1 = 1025;
const ERROR_CHECKBOX_EQUAL = 1026;
const ERROR_MISSING_ITEM_LIST = 1027;
const ERROR_UNKNOWN_FORM_RENDER = 1028;
const ERROR_NAME_LABEL_EMPTY = 1029;
const ERROR_BROKEN_JSON_STRUCTURE = 1030;
const ERROR_DEBUG = 1031;
const ERROR_UNKNOWN_MODE = 1032;
const ERROR_NOT_IMPLEMENTED = 1033;
const ERROR_RESERVED_KEY_NAME = 1034;
const ERROR_MISSING_FORM = 1035;
const ERROR_UNKNOWN_FORWARD_MODE = 1036;
const ERROR_MISSING_MESSAGE_FAIL = 1037;
const ERROR_MISSING_EXPECT_RECORDS = 1038;
const ERROR_MISSING_HIDDEN_FIELD_IN_SIP = 1039;
const ERROR_MISSING_PARAMETER_FILE = 1040;
const ERROR_NO_BE_USER_LOGGED = 1041;
const ERROR_UNKNOWN_CHECKTYPE = 1042;
const ERROR_PATTERN_VIOLATION = 1043;
const ERROR_RECORDID_0_FORBIDDEN = 1044;
const ERROR_LOG_NOT_WRITABLE = 1045;
const ERROR_UNNOWN_STORE = 1046;
const ERROR_GET_INVALID_STORE = 1047;
const ERROR_SET_STORE_ZERO = 1048;
const ERROR_INVALID_OR_MISSING_PARAMETER = 1050;
const ERROR_UNKNOWN_SQL_LOG_MODE = 1051;
const ERROR_FORM_NOT_FOUND = 1052;
const ERROR_DATE_TIME_FORMAT_NOT_RECOGNISED = 1053;
const ERROR_SANITIZE_INVALID_VALUE = 1054;
const ERROR_REQUIRED_VALUE_EMPTY = 1055;
const ERROR_DATE_UNEXPECTED_FORMAT = 1056;
const ERROR_UNEXPECTED_TYPE = 1057;
const ERROR_NOT_APPLICABLE = 1058;
const ERROR_FORMELEMENT_TYPE = 1059;
const ERROR_MISSING_OPEN_DELIMITER = 1060;
const ERROR_MISSING_CLOSE_DELIMITER = 1061;
const ERROR_EXPECTED_ARRAY = 1062;
const ERROR_REPORT_FAILED_ACTION = 1063;
const ERROR_MISSING_CONTENT = 1064;
const ERROR_MISSING_TABLE_NAME = 1065;
const ERROR_MISSING_TABLE = 1066;
const ERROR_RECORD_NOT_FOUND = 1067;
const ERROR_INVALID_EDITOR_PROPERTY_NAME = 1068;
const ERROR_UNKNOWN_ESCAPE_MODE = 1069;
const ERROR_MISSING_CONFIG_INI_VALUE = 1070;
const ERROR_SENDMAIL = 1071;
const ERROR_SENDMAIL_MISSING_VALUE = 1072;
const ERROR_OVERWRITE_RECORD_ID = 1073;
const ERROR_MISSING_SLAVE_ID_DEFINITION = 1074;
const ERROR_MISSING_INTL = 1075;
const ERROR_HTML_TOKEN_TOO_SHORT = 1076;
const ERROR_MISSING_PRINTF_ARGUMENTS = 1077;
const ERROR_MISSING_DEFINITON = 1078;
const ERROR_QFQ_VERSION = 1079;
const ERROR_PLAY_SQL_FILE = 1080;
const ERROR_MISSING_FILE_NAME = 1081;
const ERROR_MAX_FILE_SIZE_TOO_BIG = 1082;
const ERROR_SMALLER_THAN_MIN = 1083;
const ERROR_LARGER_THAN_MAX = 1084;
const ERROR_INVALID_DECIMAL_FORMAT = 1085;
const ERROR_INVALID_DATE = 1086;
const ERROR_PLAY_SQL_MULTIQUERY = 1087;

// Subrecord
const ERROR_SUBRECORD_MISSING_COLUMN_ID = 1100;
const ERROR_SUBRECORD_DETAIL_COLUMN_NOT_FOUND = 'Column not found in primary record or current row';

// Store
const ERROR_STORE_VALUE_ALREADY_CODPIED = 1200;
const ERROR_STORE_KEY_EXIST = 1201;

// I/O Error
const ERROR_IO_COPY = 1300;

const ERROR_IO_RMDIR = 1302;
const ERROR_IO_WRITE = 1303;
const ERROR_IO_OPEN = 1304;
const ERROR_IO_UNLINK = 1305;
const ERROR_IO_FILE_EXIST = 1306;
const ERROR_IO_RENAME = 1307;
const ERROR_IO_INVALID_LINK = 1308;
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;
const ERROR_IO_CHMOD = 1314;
const ERROR_IO_READ_FILE = 1315;
const ERROR_IO_WRITE_FILE = 1316;

const ERROR_PDF2SVG = 1320;
const ERROR_PDF2JPEG = 1321;

//Report
const ERROR_UNKNOWN_LINK_QUALIFIER = 1400;
const ERROR_UNDEFINED_RENDER_CONTROL_COMBINATION = 1401;
const ERROR_MISSING_REQUIRED_DELETE_QUALIFIER = 1402;
const ERROR_MISSING_VALUE = 1403;
const ERROR_INVALID_VALUE = 1404;
const ERROR_MULTIPLE_DEFINITION = 1405;
const ERROR_MULTIPLE_URL_PAGE_MAILTO_DEFINITION = 1406;
const ERROR_UNKNOWN_TOKEN = 1407;
const ERROR_TOO_FEW_PARAMETER_FOR_SENDMAIL = 1408;
const ERROR_TOO_MANY_PARAMETER = 1409;
const ERROR_INVALID_SAVE_PDF_FILENAME = 1410;

// Upload
const ERROR_UPLOAD = 1500;
const ERROR_UPLOAD_TOO_BIG = 1501;
const ERROR_UPLOAD_FILE_TYPE = 1502;
const ERROR_UPLOAD_GET_MIME_TYPE = 1503;
const ERROR_UPLOAD_UNKNOWN_ACTION = 1504;
const ERROR_NO_TARGET_PATH_FILE_NAME = 1505;
const ERROR_UPLOAD_FILES_BROKEN = 1506;
const ERROR_UNKNOWN_EXCEL_IMPORT_TYPE = 1507;

// LDAP / typeahead
const ERROR_LDAP_CONNECT = 1600;
const ERROR_MISSING_TYPE_AHEAD_LDAP_SEARCH = 1601;
const ERROR_MISSING_TYPE_AHEAD_LDAP_SEARCH_PREFETCH = 1602;
const ERROR_LDAP_BIND = 1603;
const ERROR_MISSING_TYPE_AHEAD_SQL_PREFETCH = 1604;

// Download
const ERROR_DOWNLOAD_CREATE_NEW_FILE = 1700;
const ERROR_DOWNLOAD_NO_FILES = 1701;
const ERROR_DOWNLOAD_NOTHING_TO_DO = 1702;
const ERROR_DOWNLOAD_UNEXPECTED_MIME_TYPE = 1703;
const ERROR_DOWNLOAD_UNEXPECTED_NUMBER_OF_SOURCES = 1704;
const ERROR_DOWNLOAD_FILE_NOT_READABLE = 1705;
const ERROR_DOWNLOAD_FOPEN_BLOCKED = 1706;
const ERROR_DOWNLOAD_JSON_CONVERT = 1707;

// Excel
const ERROR_EXCEL_POSITION_ARGUMENT_EMPTY = 1800;
const ERROR_EXCEL_INVALID_COORDINATES = 1801;

// KeyValueParser
const ERROR_KVP_VALUE_HAS_NO_KEY = 1900;

// DB Errors
const ERROR_DB_OPEN = 2000;
const ERROR_DB_EXECUTE = 2001;
const ERROR_DB_PREPARE = 2002;
const ERROR_DB_BIND = 2003;
const ERROR_DB_QUERY = 2004;
const ERROR_DB_GENERIC_CHECK = 2005;
const ERROR_DB_TOO_FEW_ROWS = 2006;
const ERROR_DB_TOO_MANY_ROWS = 2007;
const ERROR_DB_COUNT_DO_NOT_MATCH = 2008;
const ERROR_DB_CLOSE_MYSQLI_RESULT = 2009;
const ERROR_DB_CLOSE_MYSQLI_STMT = 2010;
const ERROR_DB_UNKNOWN_COLUMN = 2011;
const ERROR_DB_UNKNOWN_COMMAND = 2012;
const ERROR_DB_MISSING_COLUMN_ID = 2013;
const ERROR_DB_COLUMN_NOT_FOUND_IN_TABLE = 2014;
const ERROR_DB_SET_CHARSET = 2015;
const ERROR_DB_MULTI_QUERY_FAILED = 2016;

// onArray
const ERROR_SUBSTITUTE_FOUND = 2100;

// Dirty
const ERROR_DIRTY_MISSING_FORM_IN_SIP = 2200;
const ERROR_DIRTY_DELETE_RECORD = 2201;
const ERROR_DIRTY_UNKNOWN_ACTION = 2202;
const ERROR_DIRTY_MISSING_LOCK = 2203;
const ERROR_DIRTY_ALREADY_LOCKED = 2204;
const ERROR_DIRTY_RECORD_MODIFIED = 2205;

// Language
const ERROR_LANGUAGE_NOT_CONFIGURED_IN_QFQ = 2300;

// Session
const ERROR_MISSING_SESSIONNAME = 2400;
const ERROR_QFQ_SESSION_MISSING = 2401;
const ERROR_SESSION_BROKEN_SCRIPT_PATH = 2402;
const ERROR_MISSING_COOKIE = 2403;
const ERROR_SESSION_EXPIRED = 2404;

const ERROR_HTML2PDF_MISSING_CONFIG = 2500;
const ERROR_HTML2PDF_WKHTML_NOT_EXECUTABLE = 2501;
const ERROR_HTML2PDF_WKHTML_FAILED = 2502;

// Thumbnail
const ERROR_THUMBNAIL_RENDER = 2600;

// Drag and Drop
const ERROR_DND_EMPTY_REORDER_SQL = 2700;

// Form
const ERROR_FORM_RESERVED_NAME = 2800;

// Import (Excel, ODS, ...)
const ERROR_IMPORT_MISSING_EXPLICIT_TYPE = 2900;
const ERROR_IMPORT_LIST_SHEET_NAMES = 2901;

// REST
const ERROR_FORM_REST = 3000;
const ERROR_REST_AUTHORIZATION = 3001;
const ERROR_REST_INVALID_ID = 3002;
//
// Store Names: Identifier
//
const STORE_ADDITIONAL_FORM_ELEMENTS = "A"; // Internal Store to collect FormElements. Typically for 'hidden' elements of radio and checkbox. Helps render those elements at the end of the whole form rendering.
const STORE_BEFORE = "B"; // selected record from primary table before any modifcations.
const STORE_CLIENT = "C"; // Client: POST variable, if not found: GET variable
const STORE_TABLE_DEFAULT = "D"; // definition of primary table.
const STORE_EMPTY = "E"; // value: '', might helpfull if variable is not defined and should result in an empty string instead of {{...}} (cause not replaced)
const STORE_FORM = "F";  // form, still not saved in database
const STORE_LDAP = "L";
const STORE_TABLE_COLUMN_TYPES = "M"; // column types of primary table.
const STORE_PARENT_RECORD = "P"; // on autoCron, copy/paste & multi forms the recent record of the outer query (multi).
const STORE_RECORD = "R"; // selected record from primary table.
const STORE_SIP = "S"; // SIP
const STORE_TYPO3 = "T"; // Typo3 > Page content record > bodytext
const STORE_USER = "U"; // Like STORE_EXTRA, but for user use.
const STORE_VAR = "V"; // Generic Vars
#const STORE_WIPE_SIP = "W"; // Like SIP, but will remove the entry after reading from STORE_SIP as well as from SESSION-SIP table.
const STORE_EXTRA = "X"; // Persistent Store: contains arrays! Used by QFQ system - not used by user.
const STORE_SYSTEM = "Y"; // various system values like db connection credentials
const STORE_ZERO = "0"; // value: 0, might helpfull if variable is empty but used in an SQL statement, which might produce a SQL error otherwise if substituted with an empty string

const STORE_USE_DEFAULT = "FSRVD";

//
// Store: Definitions / Members
//

// URL variables
const CLIENT_FORM = 'form';
const CLIENT_SIP = 's';
const CLIENT_RECORD_ID = 'r';
const CLIENT_KEY_SEM_ID = 'keySemId';
const CLIENT_KEY_SEM_ID_USER = 'keySemIdUser';
const CLIENT_PAGE_ID = 'id';
const CLIENT_PAGE_TYPE = 'type';
const CLIENT_PAGE_LANGUAGE = 'L';
const CLIENT_UPLOAD_FE_NAME = 'name';

const CLIENT_SIP_FOR_FORM = '_sipForForm';
const CLIENT_FE_NAME = '_feName';
const CLIENT_TYPO3VARS = '_sipForTypo3Vars';

// ALL $_SERVER variables: http://php.net/manual/en/reserved.variables.server.php
// The following exist and might be the most used ones.
const CLIENT_SCRIPT_URL = 'SCRIPT_URL';
const CLIENT_SCRIPT_URI = 'SCRIPT_URI';
const CLIENT_HTTP_COOKIE = 'HTTP_COOKIE';
const CLIENT_HTTP_HOST = 'HTTP_HOST';
const CLIENT_HTTP_USER_AGENT = 'HTTP_USER_AGENT';
const CLIENT_SERVER_NAME = 'SERVER_NAME';
const CLIENT_SERVER_ADDRESS = 'SERVER_ADDR';
const CLIENT_SERVER_PORT = 'SERVER_PORT';
const CLIENT_REMOTE_ADDRESS = 'REMOTE_ADDR';
const CLIENT_REQUEST_SCHEME = 'REQUEST_SCHEME';
const CLIENT_REQUEST_METHOD = 'REQUEST_METHOD';
const CLIENT_SCRIPT_FILENAME = 'SCRIPT_FILENAME';
const CLIENT_QUERY_STRING = 'QUERY_STRING';
const CLIENT_REQUEST_URI = 'REQUEST_URI';
const CLIENT_SCRIPT_NAME = 'SCRIPT_NAME';
const CLIENT_PHP_SELF = 'PHP_SELF';

const REQUEST_METHOD_GET = 'GET';
const REQUEST_METHOD_POST = 'POST';
const REQUEST_METHOD_PUT = 'PUT';
const REQUEST_METHOD_DELETE = 'DELETE';

// _COOKIE
const CLIENT_COOKIE_QFQ = 'cookieQfq';

// T3 Bodytext Keywords
const TYPO3_FORM = CLIENT_FORM;
const TYPO3_RECORD_ID = CLIENT_RECORD_ID;
const TYPO3_BE_USER_LOGGED_IN = 'beUserLoggedIn';   // 'yes' | 'no'
const TYPO3_BE_USER = 'beUser';   // 'yes' | 'no'
const TYPO3_FE_USER = 'feUser';
const TYPO3_FE_USER_UID = 'feUserUid';
const TYPO3_FE_USER_GROUP = 'feUserGroup';
const TYPO3_TT_CONTENT_UID = 'ttcontentUid';
const TYPO3_PAGE_ID = 'pageId';
const TYPO3_PAGE_ALIAS = 'pageAlias';
const TYPO3_PAGE_TITLE = 'pageTitle';
const TYPO3_PAGE_TYPE = 'pageType';

const TYPO3_PAGE_LANGUAGE = 'pageLanguage';
const TYPO3_DEBUG_SHOW_BODY_TEXT = 'debugShowBodyText';
const TYPO3_SQL_LOG = 'sqlLog';
const TYPO3_SQL_LOG_MODE = 'sqlLogMode';

// Deprecated: legacy config - still used to read old configuration file.
const SYSTEM_DB_USER = 'DB_USER';
const SYSTEM_DB_SERVER = 'DB_SERVER';
const SYSTEM_DB_PASSWORD = 'DB_PASSWORD';
const SYSTEM_DB_NAME = 'DB_NAME';

// Recent DB config
const SYSTEM_DB_1_USER = 'DB_1_USER';
const SYSTEM_DB_1_SERVER = 'DB_1_SERVER';
const SYSTEM_DB_1_PASSWORD = 'DB_1_PASSWORD';
const SYSTEM_DB_1_NAME = 'DB_1_NAME';

const SYSTEM_DB_INIT = 'init';

const SYSTEM_DB_INDEX_DATA = "indexData";
const SYSTEM_DB_INDEX_QFQ = "indexQfq";

//const SYSTEM_DB_INDEX_DATA_DEPRECATED = "DB_INDEX_DATA";
//const SYSTEM_DB_INDEX_QFQ_DEPRECATED = "DB_INDEX_QFQ";

const SYSTEM_FILEADMIN_PROTECTED_LOG = 'fileadmin/protected/log';

// Automatically filled by QFQ
const SYSTEM_DB_NAME_DATA = 'dbNameData';
const SYSTEM_DB_NAME_QFQ = 'dbNameQfq';
const SYSTEM_DB_NAME_T3 = 'dbNameT3';

const SYSTEM_QFQ_LOG = 'qfqLog'; //  Logging to file
const SYSTEM_QFQ_LOG_FILE = 'fileadmin/protected/log/qfq.log';

const SYSTEM_MAIL_LOG = 'mailLog';
const SYSTEM_MAIL_LOG_FILE = 'fileadmin/protected/log/mail.log';

const SYSTEM_SQL_LOG = 'sqlLog'; //  Logging to file
const SYSTEM_SQL_LOG_FILE = 'fileadmin/protected/log/sql.log';
const SYSTEM_SQL_LOG_MODE = 'sqlLogMode'; // Mode, which statements to log.

const SYSTEM_FORM_SUBMIT_LOG_MODE = 'formSubmitLogMode';
const FORM_SUBMIT_LOG_MODE_ALL = 'all';
const FORM_SUBMIT_LOG_MODE_NONE = 'none';

const SYSTEM_DATE_FORMAT = 'dateFormat';
const SYSTEM_REDIRECT_ALL_MAIL_TO = 'redirectAllMailTo';

const SYSTEM_THROW_GENERAL_ERROR = 'throwExceptionGeneralError';
const SYSTEM_FLAG_PRODUCTION = 'flagProduction';

const SYSTEM_SHOW_DEBUG_INFO = 'showDebugInfo';
const SYSTEM_SHOW_DEBUG_INFO_YES = 'yes';
const SYSTEM_SHOW_DEBUG_INFO_NO = 'no';
const SYSTEM_SHOW_DEBUG_INFO_AUTO = 'auto'; // Remains on value 'auto' as long as there is no BE User logged in. In other words: 'auto'='no'. #5031
const SYSTEM_SHOW_DEBUG_INFO_DOWNLOAD = 'download';

//const SYSTEM_CSS_LINK_CLASS_INTERNAL = 'CSS_LINK_CLASS_INTERNAL';
//const SYSTEM_CSS_LINK_CLASS_EXTERNAL = 'CSS_LINK_CLASS_EXTERNAL';
const SYSTEM_CSS_CLASS_QFQ_CONTAINER = 'cssClassQfqContainer';
const SYSTEM_CSS_CLASS_QFQ_FORM = 'cssClassQfqForm';
const SYSTEM_CSS_CLASS_QFQ_FORM_PILL = 'cssClassQfqFormPill';
const SYSTEM_CSS_CLASS_QFQ_FORM_BODY = 'cssClassQfqFormBody';

const SYSTEM_CSS_CLASS_COLUMN_ID = 'cssClassColumnId';

// Textmessages used for Form validation.
const SYSTEM_FORM_DATA_PATTERN_ERROR = 'formDataPatternError';
const SYSTEM_FORM_DATA_REQUIRED_ERROR = 'formDataRequiredError';
const SYSTEM_FORM_DATA_MATCH_ERROR = 'formDataMatchError';
const SYSTEM_FORM_DATA_ERROR = 'formDataError';

const SYSTEM_FORM_BS_COLUMNS = 'formBsColumns';

const SYSTEM_FORM_BS_LABEL_COLUMNS = 'formBsLabelColumns';
const SYSTEM_FORM_BS_INPUT_COLUMNS = 'formBsInputColumns';
const SYSTEM_FORM_BS_NOTE_COLUMNS = 'formBsNoteColumns';

const SYSTEM_BASE_URL = 'baseUrl';

const SYSTEM_SEND_E_MAIL = 'sendEmail';
const SYSTEM_SEND_E_MAIL_OPTIONS = 'sendEMailOptions';

const SYSTEM_EDIT_FORM_PAGE = 'editFormPage';

// computed automatically during runtime
const SYSTEM_EXT_PATH = 'extPath';
const SYSTEM_SITE_PATH = 'sitePath';

const SYSTEM_LDAP_1_RDN = 'LDAP_1_RDN'; // Credentials to access LDAP
const SYSTEM_LDAP_1_PASSWORD = 'LDAP_1_PASSWORD'; // Credentials to access LDAP

const SYSTEM_ESCAPE_TYPE_DEFAULT = 'escapeTypeDefault';
const SYSTEM_SECURITY_VARS_HONEYPOT = 'securityVarsHoneypot'; // Fake variables
const SYSTEM_SECURITY_VARS_HONEYPOT_NAMES = 'email,username,password'; // Fake variables

const SYSTEM_SECURITY_ATTACK_DELAY = 'securityAttackDelay'; // Detected attack causes x seconds delay
const SYSTEM_SECURITY_ATTACK_DELAY_DEFAULT = 5; // Detected attack causes x seconds delay
const SYSTEM_SECURITY_SHOW_MESSAGE = 'securityShowMessage'; // Detected attack shows an error message
const SYSTEM_SECURITY_GET_MAX_LENGTH = 'securityGetMaxLength'; // Trim every character (before conversion) to SECURITY_GET_MAX_LENGTH chars;
const SYSTEM_SECURITY_GET_MAX_LENGTH_DEFAULT = 50; // Default max length for get variables
const SYSTEM_SECURITY_FAILED_AUTH_DELAY = 'securityFailedAuthDelay'; // Failed auth causes x seconds delay

const GET_EXTRA_LENGTH_TOKEN = '_';

const SYSTEM_LABEL_ALIGN = 'labelAlign';
const SYSTEM_LABEL_ALIGN_LEFT = 'left';

const SYSTEM_EXTRA_BUTTON_INFO_INLINE = 'extraButtonInfoInline';
const SYSTEM_EXTRA_BUTTON_INFO_BELOW = 'extraButtonInfoBelow';
const SYSTEM_EXTRA_BUTTON_INFO_POSITION = 'extraButtonInfoPosition';
const SYSTEM_EXTRA_BUTTON_INFO_POSITION_AUTO = 'auto';
const SYSTEM_EXTRA_BUTTON_INFO_POSITION_BELOW = 'below';
const SYSTEM_EXTRA_BUTTON_INFO_CLASS = 'extraButtonInfoClass';

const SYSTEM_SAVE_BUTTON_TEXT = 'saveButtonText';
const SYSTEM_SAVE_BUTTON_TOOLTIP = 'saveButtonTooltip';
const SYSTEM_SAVE_BUTTON_CLASS = 'saveButtonClass';
const SYSTEM_SAVE_BUTTON_GLYPH_ICON = 'saveButtonGlyphIcon';
const SYSTEM_SAVE_BUTTON_CLASS_ON_CHANGE = 'saveButtonClassOnChange';

const SYSTEM_CLOSE_BUTTON_TEXT = 'closeButtonText';
const SYSTEM_CLOSE_BUTTON_TOOLTIP = 'closeButtonTooltip';
const SYSTEM_CLOSE_BUTTON_CLASS = 'closeButtonClass';
const SYSTEM_CLOSE_BUTTON_GLYPH_ICON = 'closeButtonGlyphIcon';

const SYSTEM_DELETE_BUTTON_TEXT = 'deleteButtonText';
const SYSTEM_DELETE_BUTTON_TOOLTIP = 'deleteButtonTooltip';
const SYSTEM_DELETE_BUTTON_CLASS = 'deleteButtonClass';
const SYSTEM_DELETE_BUTTON_GLYPH_ICON = 'deleteButtonGlyphIcon';

const SYSTEM_NEW_BUTTON_TEXT = 'newButtonText';
const SYSTEM_NEW_BUTTON_TOOLTIP = 'newButtonTooltip';
const SYSTEM_NEW_BUTTON_CLASS = 'newButtonClass';
const SYSTEM_NEW_BUTTON_GLYPH_ICON = 'newButtonGlyphIcon';

const SYSTEM_DB_UPDATE = 'update';
const SYSTEM_DB_UPDATE_ALWAYS = 'always';
const SYSTEM_DB_UPDATE_NEVER = 'never';
const SYSTEM_DB_UPDATE_AUTO = 'auto';

const SYSTEM_RECORD_LOCK_TIMEOUT_SECONDS = 'recordLockTimeoutSeconds';
const SYSTEM_RECORD_LOCK_TIMEOUT_SECONDS_DEFAULT = 900; // 15 mins

const SYSTEM_SESSION_TIMEOUT_SECONDS = 'sessionTimeoutSeconds';

const SYSTEM_FILE_MAX_FILE_SIZE = 'maxFileSize';

const SYSTEM_COOKIE_LIFETIME = 259200; // 3 days. Should be more than  SYSTEM_SESSION_TIMEOUT_SECONDS_DEFAULT, in case the user setup's a higher value.

// Deprecated, replaced by SYSTEM_FILL_STORE_SYSTEM_BY_SQ
const SYSTEM_VAR_ADD_BY_SQL = 'VAR_ADD_BY_SQL'; // since 1.12.17

const SYSTEM_FILL_STORE_SYSTEM_BY_SQL = 'fillStoreSystemBySql';
const SYSTEM_FILL_STORE_SYSTEM_ERROR_MSG = 'fillStoreSystemBySqlErrorMsg';

const SYSTEM_FORM_LANGUAGE = 'formLanguage';

const SYSTEM_FORM_LANGUAGE_A_ID = 'formLanguageAId';
const SYSTEM_FORM_LANGUAGE_A_LABEL = 'formLanguageALabel';

const SYSTEM_FORM_LANGUAGE_B_ID = 'formLanguageBId';
const SYSTEM_FORM_LANGUAGE_B_LABEL = 'formLanguageBLabel';

const SYSTEM_FORM_LANGUAGE_C_ID = 'formLanguageCId';
const SYSTEM_FORM_LANGUAGE_C_LABEL = 'formLanguageCLabel';

const SYSTEM_FORM_LANGUAGE_D_ID = 'formLanguageDId';
const SYSTEM_FORM_LANGUAGE_D_LABEL = 'formLanguageDLabel';

const SYSTEM_ENTER_AS_SUBMIT = 'enterAsSubmit';
const SYSTEM_SHOW_ID_IN_FORM_TITLE = 'showIdInFormTitle';

const SYSTEM_CMD_WKHTMLTOPDF = 'cmdWkhtmltopdf';

// Thumbnail
const SYSTEM_CMD_INKSCAPE = 'cmdInkscape';
const SYSTEM_CMD_CONVERT = 'cmdConvert';
const SYSTEM_THUMBNAIL_DIR_SECURE = 'thumbnailDirSecure';
const SYSTEM_THUMBNAIL_DIR_SECURE_DEFAULT = 'fileadmin/protected/qfqThumbnail';
const SYSTEM_THUMBNAIL_DIR_PUBLIC = 'thumbnailDirPublic';
const SYSTEM_THUMBNAIL_DIR_PUBLIC_DEFAULT = 'typo3temp/qfqThumbnail';

const SYSTEM_DOCUMENTATION_QFQ = 'documentation';
const SYSTEM_DOCUMENTATION_QFQ_URL = 'https://docs.typo3.org/p/IMATHUZH/qfq/master/en-us/Manual.html';


// Not stored in config.qfq.ini, but used in STORE_SYSTEM
// Information for: Log / Debug / Exception
const SYSTEM_SQL_RAW = 'sqlRaw';  // Type: SANITIZE_ALL / String. SQL Query (before substitute). Useful for error reporting.
const SYSTEM_SQL_FINAL = 'sqlFinal'; //  Type: SANITIZE_ALL / String. SQL Query (after substitute). Useful for error reporting.
const SYSTEM_SQL_COUNT = 'sqlCount'; //  Type: SANITIZE_DIGIT / Int.Number of rows in SQL ResultSet. Useful for error reporting.
const SYSTEM_SQL_PARAM_ARRAY = 'sqlParamArray'; //  Type: SANITIZE_ALL / Parameter of prepared SQL Statement. Useful for error reporting.
const SYSTEM_FORM = CLIENT_FORM;                        // '<formName> / <formId>'
const SYSTEM_FORM_ELEMENT = 'formElement';              // '<formElementName> / <formElementeId>'
const SYSTEM_FORM_ELEMENT_ID = 'formElementId';              // '<formElementName> / <formElementeId>'
const SYSTEM_FORM_ELEMENT_COLUMN = 'formElementColumn'; // '<columnname of current processed formElement>'
const SYSTEM_FORM_ELEMENT_MESSAGE = 'formElementMessage'; // '<columnname of current processed formElement>'
const SYSTEM_REPORT_COLUMN_INDEX = 'reportColumnIndex'; // Index of SQL-column processed at the moment.
const SYSTEM_REPORT_COLUMN_NAME = 'reportColumnName'; // Name of SQL-column processed at the moment.
const SYSTEM_REPORT_COLUMN_VALUE = 'reportColumnValue'; // Value of SQL-column processed at the moment.
const SYSTEM_REPORT_FULL_LEVEL = 'reportFullLevel'; // Full level of current report row. E.g.: 10.20.1. Used for error reports.
const SYSTEM_MESSAGE_DEBUG = 'messageDebug';
const SYSTEM_DOWNLOAD_POPUP = 'hasDownloadPopup'; // Marker which is set to 'true' if there is at least one Download Link rendered
const DOWNLOAD_POPUP_REQUEST = 'true';
const DOWNLOAD_POPUP_REPLACE_TEXT = '#downloadPopupReplaceText#';
const DOWNLOAD_POPUP_REPLACE_TITLE = '#downloadPopupReplaceTitle#';
const SYSTEM_DRAG_AND_DROP_JS = 'hasDragAndDropJS';

const SYSTEM_PARAMETER_LANGUAGE_FIELD_NAME = 'parameterLanguageFieldName';
const CSS_REQUIRED = 'required-field';

// die folgenden Elemente sind vermutlich nicht noetig, wenn Store Klassen globale Vars benutzt.
//const SYSTEM_FORM_DEF = 'formDefinition'; // Type: SANITIZE_ALNUMX / AssocArray. Final form to process. Useful for error reporting.
//const SYSTEM_FORM_ELEMENT_DEF = 'formElementDefinition'; // Type: SANITIZE_ALL / AssocArray. Formelement which are processed at the moment. Useful for error reporting.
//const SYSTEM_FORM_ELEMENT_FIELD = 'formElementField'; // Type: SANITIZE_ALNUMX / String. Fieldname of processed Formelement. Useful for error reporting.

const MODE_HTML = 'html';
const MODE_JSON = 'json';

const MSG_HEADER = 'header';
const MSG_CONTENT = 'content';
const MSG_ERROR_CODE = 'errorCode';

const SIP_TOKEN_LENGTH = 13; // length of string returned by `uniqid()`
const SIP_SIP = CLIENT_SIP;  // s
const SIP_RECORD_ID = CLIENT_RECORD_ID; // r
const SIP_TARGET_URL = '_targetUrl'; // URL where to jump after delete()
const SIP_MODE_ANSWER = '_modeAnswer'; // Mode how delete() will answer to client: MODE_HTML, MODE_JSON
const SIP_FORM = CLIENT_FORM;
const SIP_TABLE = 'table'; // delete a record from 'table'
const SIP_URLPARAM = 'urlparam';
const SIP_SIP_URL = 'sipUrl';
const SIP_MAKE_URLPARAM_UNIQ = '_makeUrlParamUniq'; // SIPs for 'new records' needs to be uniq per TAB! Therefore add a uniq parameter
const SIP_DOWNLOAD_PARAMETER = '_b64_download'; // Parametername, filled in SIP, to hold all download element parameter.

const SIP_PREFIX_BASE64 = '_b64';

const SIP_EXCLUDE_ID = 'id';
const SIP_EXCLUDE_TYPE = 'type';
const SIP_EXCLUDE_L = 'L';
const SIP_EXCLUDE_XDEBUG_SESSION_START = 'XDEBUG_SESSION_START';

// FURTHER: all extracted params from 'urlparam

const ACTION_KEYWORD_SLAVE_ID = 'slaveId';

const VAR_RANDOM = 'random';
const VAR_FILE_DESTINATION = 'fileDestination';
const VAR_SLAVE_ID = ACTION_KEYWORD_SLAVE_ID;
const VAR_FILENAME = 'filename'; // Original filename of an uploaded file.
const VAR_FILENAME_ONLY = 'filenameOnly'; // Original filename of an uploaded file, without directories.
const VAR_FILENAME_BASE = 'filenameBase'; // Original filename of an uploaded file, without the extension.
const VAR_FILENAME_EXT = 'filenameExt'; // Extension of the original filename of an uploaded file, .
const VAR_FILE_MIME_TYPE = 'mimeType';
const VAR_FILE_SIZE = 'fileSize';


// PHP class Typeahead
const TYPEAHEAD_API_QUERY = 'query';  // Name of parameter in API call of typeahead.php?query=...&s=... - See also FE_TYPE_AHEAD_SQL
const TYPEAHEAD_API_PREFETCH = 'prefetch';  // Name of parameter in API call of typeahead.php?prefetch=...&s=... - See also FE_TYPE_AHEAD_SQL
const TYPEAHEAD_API_SIP = 'sip';  // Name of parameter in API call of typeahead.php?query=...&s=...
const TYPEAHEAD_DEFAULT_LIMIT = 20;
const TYPEAHEAD_SQL_KEY_NAME = 'id';

const DEFAULT_LDAP_TIME_LIMIT = 3;

const SINGLE_TICK = "'";
const DOUBLE_TICK = '"';

// TOKEN evaluate
const TOKEN_ESCAPE_CONFIG = 'c';
const TOKEN_ESCAPE_SINGLE_TICK = 's';
const TOKEN_ESCAPE_DOUBLE_TICK = 'd';
const TOKEN_ESCAPE_COLON = 'C';
const TOKEN_ESCAPE_LDAP_FILTER = 'l';
const TOKEN_ESCAPE_LDAP_DN = 'L';
const TOKEN_ESCAPE_MYSQL = 'm';
const TOKEN_ESCAPE_PASSWORD_T3FE = 'p';
const TOKEN_ESCAPE_NONE = '-';

const TOKEN_ESCAPE_STOP_REPLACE = 'S';
const TOKEN_ESCAPE_EXCEPTION = 'X';
#const TOKEN_ESCAPE_ACTION = 'A';

// Workaround for PHP < 5.6.0
if (!function_exists('ldap_escape')) {
    define('LDAP_ESCAPE_FILTER', 0x01);
    define('LDAP_ESCAPE_DN', 0x02);
}

const TOKEN_FOUND_IN_STORE_QUERY = 'query';
const TOKEN_FOUND_AS_COLUMN = 'column';
const TOKEN_FOUND_AS_DEFAULT = 'default';

const VAR_INDEX_VALUE = 0;
const VAR_INDEX_STORE = 1;
const VAR_INDEX_SANATIZE = 2;
const VAR_INDEX_ESCAPE = 3;
const VAR_INDEX_DEFAULT = 4;
const VAR_INDEX_MESSAGE = 5;

const RANDOM_LENGTH = 32;

// FORM - copy from table 'form' of processed form
//const DEF_FORM_NAME = CLIENT_FORM;

// FORMELEMENT - copy of all formElements of processed form
//const DEF_FORM_ELEMENT_ID = 'id';

// SQL logging Modes
const SQL_LOG_MODE_ALL = 'all';
const SQL_LOG_MODE_MODIFY = 'modify';
const SQL_LOG_MODE_NONE = 'none';
const SQL_LOG_MODE_ERROR = 'error';

const MODE_LDAP_PREFETCH = 'ldapPrefetch';
const MODE_LDAP_SINGLE = 'ldapSingle';
const MODE_LDAP_MULTI = 'ldapMulti';

// api/save.php, api/delete.php, api/load.php
const API_DELETE_PHP = 'delete.php';
const API_DOWNLOAD_PHP = 'download.php';
const API_DRAG_AND_DROP_PHP = 'dragAndDrop.php';

const API_STATUS = 'status';
const API_MESSAGE = 'message';
const API_REDIRECT = 'redirect';
const API_REDIRECT_URL = 'redirect-url';
const API_LOCK_ACTION = 'action';
const API_LOCK_TIMEOUT = 'lock_timeout';
const API_FIELD_NAME = 'field-name';
const API_FIELD_MESSAGE = 'field-message';
const API_FORM_UPDATE = 'form-update';
const API_FORM_UPDATE_FORM_ELEMENT = 'form-element';
const API_FORM_UPDATE_VALUE = 'value';
const API_FORM_UPDATE_HIDDEN = 'hidden';
const API_FORM_UPDATE_DISABLED = 'disabled';
const API_FORM_UPDATE_REQUIRED = 'required';

const API_ELEMENT_UPDATE = 'element-update';
const API_ELEMENT_ATTRIBUTE = 'attr';
const API_ELEMENT_CONTENT = 'content';

const API_SUBMIT_REASON = 'submit_reason';
const API_SUBMIT_REASON_SAVE = 'save';
const API_SUBMIT_REASON_SAVE_CLOSE = 'save,close';

const API_LOCK_ACTION_LOCK = 'lock';
const API_LOCK_ACTION_EXTEND = 'extend';
const API_LOCK_ACTION_RELEASE = 'release';

const API_ANSWER_STATUS_SUCCESS = 'success';
const API_ANSWER_STATUS_CONFLICT = 'conflict';
const API_ANSWER_STATUS_CONFLICT_ALLOW_FORCE = 'conflict_allow_force';
const API_ANSWER_STATUS_ERROR = 'error';
const API_ANSWER_REDIRECT_AUTO = 'auto';
const API_ANSWER_REDIRECT_CLOSE = 'close';
const API_ANSWER_REDIRECT_NO = 'no';
const API_ANSWER_REDIRECT_URL = 'url';
const API_ANSWER_REDIRECT_URL_SKIP_HISTORY = 'url-skip-history';