ice framework documentation ice doc v1.6.2
    
namespace Ice\Validation\Validator;

use Ice\Exception;
use Ice\Validation;
use Ice\Validation\Validator;

/**
 * File validator.
 *
 * @package     Ice/Validation
 * @category    Security
 * @author      Ice Team
 * @copyright   (c) 2014-2020 Ice Team
 * @license     http://iceframework.org/license
 *
 * 

 *  $validation = new Ice\Validation();
 *
 *  $validation->rules([
 *      'picture' => [
 *          'file' => [
 *              'maxSize' => '6M',
 *              'allowedTypes' => ['image/jpeg', 'image/png'],
 *              'minResolution' => '400x300',
 *              'maxResolution' => '1600x1200',
 *          ]
 *      ]
 *  ]);
 *
 *  $valid = $validation->validate($_FILES);
 *
 *  if (!$valid) {
 *      $messages = $validation->getMessages();
 *  }
 * 
*/ class File extends Validator { /** * Validate the validator * Options: label, messageIniSize, allowEmpty, messageEmpty, messageValid, maxSize, messageSize, allowedTypes, messageType * minResolution, maxResolution, messageMinResolution, messageMaxResolution * * @param Validation validation * @param string field * @return boolean */ public function validate( validation, string! field) -> boolean { var value, message, label, i18n, replace, types, byteUnits, unit, maxSize, matches, bytes, mime, tmp, width, height, minResolution, maxResolution, minWidth, maxWidth, minHeight, maxHeight; let value = validation->getValue(field); if this->has("label") { let label = this->get("label"); } else { let label = validation->getLabel(field); } // Upload is larger than PHP allowed size (post_max_size or upload_max_filesize) if _SERVER["REQUEST_METHOD"] == "POST" && empty _POST && empty _FILES && _SERVER["CONTENT_LENGTH"] > 0 || isset value["error"] && value["error"] === UPLOAD_ERR_INI_SIZE { if this->has("messageIniSize") { let message = this->get("messageIniSize"); } else { let message = validation->getDefaultMessage("fileIniSize"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label]; validation->addMessage(field, strtr(message, replace)); return false; } if this->has("allowEmpty") && (empty value || isset value["error"] && value["error"] === UPLOAD_ERR_NO_FILE) { return true; } if !isset value["error"] || ! isset value["tmp_name"] || value["error"] !== UPLOAD_ERR_OK || !is_uploaded_file(value["tmp_name"]) { if this->has("messageEmpty") { let message = this->get("messageEmpty"); } else { let message = validation->getDefaultMessage("fileEmpty"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label]; validation->addMessage(field, strtr(message, replace)); return false; } if !isset value["name"] || !isset value["type"] || !isset value["size"] { if this->has("messageValid") { let message = this->get("messageValid"); } else { let message = validation->getDefaultMessage("default"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label]; validation->addMessage(field, strtr(message, replace)); return false; } if this->has("maxSize") { let byteUnits = ["B": 0, "K": 10, "M": 20, "G": 30, "T": 40, "KB": 10, "MB": 20, "GB": 30, "TB": 40], maxSize = this->get("maxSize"), matches = null, unit = "B"; preg_match("/^([0-9]+(?:\\.[0-9]+)?)(".implode("|", array_keys(byteUnits)).")?$/Di", maxSize, matches); if isset matches[2] { let unit = matches[2]; } let bytes = floatval(matches[1]) * pow(2, byteUnits[unit]); if floatval(value["size"]) > floatval(bytes) { if this->has("messageSize") { let message = this->get("messageSize"); } else { let message = validation->getDefaultMessage("fileSize"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label, ":max": maxSize]; validation->addMessage(field, strtr(message, replace)); return false; } } if this->has("allowedTypes") { let types = this->get("allowedTypes"); if typeof types != "array" { throw new Exception("Option 'allowedTypes' must be an array"); } if function_exists("finfo_open") { let tmp = finfo_open(FILEINFO_MIME_TYPE), mime = finfo_file(tmp, value["tmp_name"]); finfo_close(tmp); } else { let mime = value["type"]; } if !in_array(mime, types) { if this->has("messageType") { let message = this->get("messageType"); } else { let message = validation->getDefaultMessage("fileType"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label, ":types": join(", ", types)]; validation->addMessage(field, strtr(message, replace)); return false; } } if this->has("minResolution") || this->has("maxResolution") { let tmp = getimagesize(value["tmp_name"]), width = tmp[0], height = tmp[1]; if this->has("minResolution") { let minResolution = explode("x", this->get("minResolution")), minWidth = minResolution[0], minHeight = minResolution[1]; } else { let minWidth = 1, minHeight = 1; } if width < minWidth || height < minHeight { if this->has("messageMinResolution") { let message = this->get("messageMinResolution"); } else { let message = validation->getDefaultMessage("fileMinResolution"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label, ":min": this->get("minResolution")]; validation->addMessage(field, strtr(message, replace)); return false; } if this->has("maxResolution") { let maxResolution = explode("x", this->get("maxResolution")), maxWidth = maxResolution[0], maxHeight = maxResolution[1]; if width > maxWidth || height > maxHeight { if this->has("messageMaxResolution") { let message = this->get("messageMaxResolution"); } else { let message = validation->getDefaultMessage("fileMaxResolution"); } // Translate strings if validation->getTranslate() === true && validation->getDi()->has("i18n") { let i18n = validation->getDi()->get("i18n"), label = i18n->translate(label), message = i18n->translate(message); } let replace = [":field": label, ":max": this->get("maxResolution")]; validation->addMessage(field, strtr(message, replace)); return false; } } } return true; } }