LifeType 中文開發論壇

<?php

	include_once&#40; PLOG_CLASS_PATH."class/data/validator/validator.class.php" &#41;;
	include_once&#40; PLOG_CLASS_PATH."class/config/config.class.php" &#41;;
    include_once&#40; PLOG_CLASS_PATH."class/misc/glob.class.php" &#41;;	

	define&#40; "UPLOAD_MAX_SIZE", 2000000 &#41;;

    define&#40; "UPLOAD_VALIDATOR_ERROR_UPLOAD_TOO_BIG", -1 &#41;;
    define&#40; "UPLOAD_VALIDATOR_ERROR_FORBIDDEN_EXTENSION", -2 &#41;;

	/**
	 * \ingroup Validator
	 *
     * Given a FileUpload object, checks that it is not bigger than the maximum size allowed
     * and that it does not have one of the forbidden extensions.
     *
     * The maximum size allowed is controlled via the 'maximum_file_upload_size' configuration setting 
     * and the list of forbidden extensions can be configured via the upload_forbidde_files configuration
     * setting.
     *
     * If the validation is unsuccessful, the error codes UPLOAD_VALIDATOR_ERROR_UPLOAD_TOO_BIG or 
     * UPLOAD_VALIDATOR_ERROR_FORBIDDEN_EXTENSION will be set.
     */
	class UploadValidator extends Validator 
	&#123;

        /**
         * Constructor. Initializes the rule.
         */
    	function UploadValidator&#40;&#41;
        &#123;
        	$this->Validator&#40;&#41;;
        &#125;

    	/**
         * Returns true if the file is a valid upload, after making it go through all
         * our tests.
         *
         * @param upload An FileUpload object containing information about the file
         * @return Returns true if it is valid or a negative value meaning an error otherwise&#58;
         * <ul><li>ERROR_UPLOAD_TOO_BIG &#40;-1&#41;&#58; The file bigger than the maximum allowed size</li>
         * <li>ERROR_FORBIDDEN_EXTENSION&#58; The file has a forbidden extension.</li></ul>
         */
    	function validate&#40; $upload &#41;
        &#123;
        	$config =& Config&#58;&#58;getConfig&#40;&#41;;

            $forbiddenFilesStr = $config->getValue&#40; "upload_forbidden_files" &#41;;
            $maxUploadSize     = $config->getValue&#40; "maximum_file_upload_size" &#41;;
			
			// check if we received an object of the right type, or else just quit
			if&#40; $upload == null &#41; &#123;
				return false;
			&#125;

            // first of all, check the size
            if&#40; $maxUploadSize != 0 && $upload->getSize&#40;&#41; > $maxUploadSize &#41; &#123;
            	return UPLOAD_VALIDATOR_ERROR_UPLOAD_TOO_BIG;
            &#125;

            // return true if there's nothing to do
            if&#40; empty&#40;$forbiddenFilesStr&#41; || !$forbiddenFilesStr &#41;
            	//return true;
            	return UPLOAD_VALIDATOR_ERROR_FORBIDDEN_EXTENSION;

            // check if the filename extension is forbidden or not
            $fileName = basename&#40;$upload->getFileName&#40;&#41;&#41;;
            foreach&#40; explode&#40; " ", $forbiddenFilesStr &#41; as $file &#41; &#123;
            	if&#40; Glob&#58;&#58;myFnmatch&#40; $file, $fileName &#41;&#41; &#123;
                	//return UPLOAD_VALIDATOR_ERROR_FORBIDDEN_EXTENSION;
                	return true;
                &#125;
            &#125;

        	return UPLOAD_VALIDATOR_ERROR_FORBIDDEN_EXTENSION;
        	//return false;//return true;
        &#125;
    &#125;
?>