{CodeIgniter]CodeIgniterで複数のファイルをアップする
CodeIgniterのUplodクラスは、どうも一つのファイルのアップを想定しているようです。
でやってみました。
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * * @category * @package Upload Class * @author KUNIHARU Tsujioka <kunitsuji@gmail.com> * @copyright Copyright (c) 2008 KUNIHARU Tsujioka <kunitsuji@gmail.com> * @copyright Copyright (c) 2006-2008 Usagi Project (URL:http://usagi-project.org) * @license New BSD License */ class MYNETS_Upload extends CI_Upload { var $file_temp = array(); var $file_name = array(); var $orig_name = array(); var $file_type = array(); var $file_size = array(); var $file_ext = array(); /////////////////////////////// var $field = 'userfile'; /////////////////////////////// /** * Constructor * * @access public */ function __construct($props = array()) { parent::__construct(); if (count($props) > 0) { $this->initialize($props); } log_message('debug', "Upload Class Initialized"); } // -------------------------------------------------------------------- //2009/01/21 KUNIHARU Tsujioka add function is_uploaded($field) { if ( ! is_uploaded_file($_FILES[$field]['tmp_name'])) { return FALSE; } else { return TRUE; } } //2009/01/21 KUNIHARU Tsujioka add function set_field_name($field) { $this->field = $field; } /** * Perform the file upload * * @access public * @return bool */ //2009/01/21 KUNIHARU Tsujioka UPDATE function do_upload($field = '') { //$this->is_uploaded[$this->field] = FALSE; if ($field) { $this->field = $field; } // Is $_FILES[$this->field] set? If not, no reason to continue. if ( ! isset($_FILES[$this->field])) { $this->set_error('upload_no_file_selected'); return FALSE; } // Is the upload path valid? if ( ! $this->validate_upload_path()) { // errors will already be set by validate_upload_path() so just return FALSE return FALSE; } // Was the file able to be uploaded? If not, determine the reason why. if ( ! is_uploaded_file($_FILES[$this->field]['tmp_name'])) { $error = ( ! isset($_FILES[$this->field]['error'])) ? 4 : $_FILES[$this->field]['error']; switch($error) { case 1: // UPLOAD_ERR_INI_SIZE $this->set_error('upload_file_exceeds_limit'); break; case 2: // UPLOAD_ERR_FORM_SIZE $this->set_error('upload_file_exceeds_form_limit'); break; case 3: // UPLOAD_ERR_PARTIAL $this->set_error('upload_file_partial'); break; case 4: // UPLOAD_ERR_NO_FILE $this->set_error('upload_no_file_selected'); break; case 6: // UPLOAD_ERR_NO_TMP_DIR $this->set_error('upload_no_temp_directory'); break; case 7: // UPLOAD_ERR_CANT_WRITE $this->set_error('upload_unable_to_write_file'); break; case 8: // UPLOAD_ERR_EXTENSION $this->set_error('upload_stopped_by_extension'); break; default : $this->set_error('upload_no_file_selected'); break; } return FALSE; } // Set the uploaded data as class variables $this->file_temp[$this->field] = $_FILES[$this->field]['tmp_name']; $this->file_name[$this->field] = $this->_prep_filename($_FILES[$this->field]['name']); $this->file_size[$this->field] = $_FILES[$this->field]['size']; $this->file_type[$this->field] = preg_replace("/^(.+?);.*$/", "\\1", $_FILES[$this->field]['type']); $this->file_type[$this->field] = strtolower($this->file_type[$this->field]); $this->file_ext[$this->field] = $this->get_extension($_FILES[$this->field]['name']); // Convert the file size to kilobytes if ($this->file_size[$this->field] > 0) { $this->file_size[$this->field] = round($this->file_size[$this->field]/1024, 2); } // Is the file type allowed to be uploaded? if ( ! $this->is_allowed_filetype()) { $this->set_error('upload_invalid_filetype'); return FALSE; } // Is the file size within the allowed maximum? if ( ! $this->is_allowed_filesize()) { $this->set_error('upload_invalid_filesize'); return FALSE; } // Are the image dimensions within the allowed size? // Note: This can fail if the server has an open_basdir restriction. if ( ! $this->is_allowed_dimensions()) { $this->set_error('upload_invalid_dimensions'); return FALSE; } // Sanitize the file name for security $this->file_name[$this->field] = $this->clean_file_name($this->file_name[$this->field]); // Truncate the file name if it's too long if ($this->max_filename > 0) { $this->file_name[$this->field] = $this->limit_filename_length($this->file_name[$this->field], $this->max_filename); } // Remove white spaces in the name if ($this->remove_spaces == TRUE) { $this->file_name[$this->field] = preg_replace("/\s+/", "_", $this->file_name[$this->field]); } /* * Validate the file name * This function appends an number onto the end of * the file if one with the same name already exists. * If it returns false there was a problem. */ $this->orig_name[$this->field] = $this->file_name[$this->field]; if ($this->overwrite == FALSE) { $this->file_name[$this->field] = $this->set_filename($this->upload_path, $this->file_name[$this->field]); if ($this->file_name[$this->field] === FALSE) { return FALSE; } } /* * Move the file to the final destination * To deal with different server configurations * we'll attempt to use copy() first. If that fails * we'll use move_uploaded_file(). One of the two should * reliably work in most environments */ if ( ! @copy($this->file_temp[$this->field], $this->upload_path.$this->file_name[$this->field])) { if ( ! @move_uploaded_file($this->file_temp[$this->field], $this->upload_path.$this->file_name[$this->field])) { $this->set_error('upload_destination_error'); return FALSE; } } /* * Run the file through the XSS hacking filter * This helps prevent malicious code from being * embedded within a file. Scripts can easily * be disguised as images or other file types. */ if ($this->xss_clean == TRUE) { $this->do_xss_clean(); } /* * Set the finalized image dimensions * This sets the image width/height (assuming the * file was an image). We use this information * in the "data" function. */ $this->set_image_properties($this->upload_path.$this->file_name[$this->field]); return TRUE; } // -------------------------------------------------------------------- /** * Finalized Data Array * * Returns an associative array containing all of the information * related to the upload, allowing the developer easy access in one array. * * @access public * @return array */ //2009/01/21 KUNIHARU Tsujioka UPDATE function data($filed = 'uploadfile') { return array ( 'file_name' => $this->file_name[$this->field], 'file_type' => $this->file_type[$this->field], 'file_path' => $this->upload_path, 'full_path' => $this->upload_path.$this->file_name[$this->field], 'raw_name' => str_replace($this->file_ext[$this->field], '', $this->file_name[$this->field]), 'orig_name' => $this->orig_name[$this->field], 'file_ext' => $this->file_ext[$this->field], 'file_size' => $this->file_size[$this->field], 'is_image' => $this->is_image(), 'image_width' => $this->image_width, 'image_height' => $this->image_height, 'image_type' => $this->image_type, 'image_size_str' => $this->image_size_str, ); } // -------------------------------------------------------------------- /** * Set the file name * * This function takes a filename/path as input and looks for the * existence of a file with the same name. If found, it will append a * number to the end of the filename to avoid overwriting a pre-existing file. * * @access public * @param string * @param string * @return string */ //2009/01/21 KUNIHARU Tsujioka UPDATE function set_filename($path, $filename) { if ($this->encrypt_name == TRUE) { mt_srand(); $filename = md5(uniqid(mt_rand())).$this->file_ext[$this->field]; } if ( ! file_exists($path.$filename)) { return $filename; } $filename = str_replace($this->file_ext[$this->field], '', $filename); $new_filename = ''; for ($i = 1; $i < 100; $i++) { if ( ! file_exists($path.$filename.$i.$this->file_ext[$this->field])) { $new_filename = $filename.$i.$this->file_ext[$this->field]; break; } } if ($new_filename == '') { $this->set_error('upload_bad_filename'); return FALSE; } else { return $new_filename; } } // -------------------------------------------------------------------- /** * Validate the image * * @access public * @return bool */ //2009/01/21 KUNIHARU Tsujioka UPDATE function is_image() { // IE will sometimes return odd mime-types during upload, so here we just standardize all // jpegs or pngs to the same file type. $png_mimes = array('image/x-png'); $jpeg_mimes = array('image/jpg', 'image/jpe', 'image/jpeg', 'image/pjpeg'); if (in_array($this->file_type[$this->field], $png_mimes)) { $this->file_type[$this->field] = 'image/png'; } if (in_array($this->file_type[$this->field], $jpeg_mimes)) { $this->file_type[$this->field] = 'image/jpeg'; } $img_mimes = array( 'image/gif', 'image/jpeg', 'image/png', ); return (in_array($this->file_type[$this->field], $img_mimes, TRUE)) ? TRUE : FALSE; } // -------------------------------------------------------------------- /** * Verify that the filetype is allowed * * @access public * @return bool */ //2009/01/21 KUNIHARU Tsujioka UPDATE function is_allowed_filetype() { if (count($this->allowed_types) == 0 OR ! is_array($this->allowed_types)) { $this->set_error('upload_no_file_types'); return FALSE; } foreach ($this->allowed_types as $val) { $mime = $this->mimes_types(strtolower($val)); if (is_array($mime)) { if (in_array($this->file_type[$this->field], $mime, TRUE)) { return TRUE; } } else { if ($mime == $this->file_type[$this->field]) { return TRUE; } } } return FALSE; } // -------------------------------------------------------------------- /** * Verify that the file is within the allowed size * * @access public * @return bool */ //2009/01/21 KUNIHARU Tsujioka UPDATE function is_allowed_filesize() { if ($this->max_size != 0 AND $this->file_size[$this->field] > $this->max_size) { return FALSE; } else { return TRUE; } } // -------------------------------------------------------------------- /** * Verify that the image is within the allowed width/height * * @access public * @return bool */ //2009/01/21 KUNIHARU Tsujioka UPDATE function is_allowed_dimensions() { if ( ! $this->is_image()) { return TRUE; } if (function_exists('getimagesize')) { $D = @getimagesize($this->file_temp[$this->field]); if ($this->max_width > 0 AND $D['0'] > $this->max_width) { return FALSE; } if ($this->max_height > 0 AND $D['1'] > $this->max_height) { return FALSE; } return TRUE; } return TRUE; } // -------------------------------------------------------------------- /** * Runs the file through the XSS clean function * * This prevents people from embedding malicious code in their files. * I'm not sure that it won't negatively affect certain files in unexpected ways, * but so far I haven't found that it causes trouble. * * @access public * @return void */ //2009/01/21 KUNIHARU Tsujioka UPDATE function do_xss_clean() { $file = $this->upload_path.$this->file_name[$this->field]; if (filesize($file) == 0) { return FALSE; } if (($data = @file_get_contents($file)) === FALSE) { return FALSE; } if ( ! $fp = @fopen($file, FOPEN_READ_WRITE)) { return FALSE; } $CI =& get_instance(); $data = $CI->input->xss_clean($data); flock($fp, LOCK_EX); fwrite($fp, $data); flock($fp, LOCK_UN); fclose($fp); } // -------------------------------------------------------------------- } // END Upload Class /* End of file Upload.php */ /* Location: ./systemmynets/libraries/MYNETS_Upload.php */
とりあえず、アップロードする回数だけチェックする必要はりますが。
