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pakerpale
224
application/libraries/ImageUpload.php
Executable file
224
application/libraries/ImageUpload.php
Executable file
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<?php
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class ImageUpload extends CI_Upload {
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// declare disallowed types variable
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var $disallowed_types = '';
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// add in the 'disallowed_types' default during initialization
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function initialize($config = array()) {
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$defaults = array(
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'max_size' => 0,
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'max_width' => 0,
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'max_height' => 0,
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'max_filename' => 0,
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'allowed_types' => "",
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'disallowed_types' => "",
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'file_temp' => "",
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'file_name' => "",
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'orig_name' => "",
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'file_type' => "",
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'file_size' => "",
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'file_ext' => "",
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'upload_path' => "",
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'overwrite' => FALSE,
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'encrypt_name' => FALSE,
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'is_image' => FALSE,
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'image_width' => '',
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'image_height' => '',
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'image_type' => '',
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'image_size_str' => '',
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'error_msg' => array(),
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'mimes' => array(),
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'remove_spaces' => TRUE,
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'xss_clean' => FALSE,
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'temp_prefix' => "temp_file_"
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);
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foreach ($defaults as $key => $val) {
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if (isset($config[$key])) {
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$method = 'set_'.$key;
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if (method_exists($this, $method)) {
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$this->$method($config[$key]);
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}
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else {
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$this->$key = $config[$key];
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}
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}
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else {
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$this->$key = $val;
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}
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}
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}
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// set disallowed filetypes
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function set_disallowed_types($types) {
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$this->disallowed_types = explode('|', $types);
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}
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// adapted to not require allowed_types and to check for disallowed types if it exists
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function is_allowed_filetype() {
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// if allowed file type list is not defined
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if (count($this->allowed_types) == 0 OR ! is_array($this->allowed_types)) {
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// if disallowed file type list is not defined
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if (count($this->disallowed_types) == 0 OR ! is_array($this->disallowed_types))
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return TRUE;
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// check for disallowed file types and return
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// negated because is_disallowed_filetype returns opposite result as this function
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return ! $this->is_disallowed_filetype();
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}
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// proceed as usual with allowed file type list check
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return parent::is_allowed_filetype();
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}
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// check for disallowed file types
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function is_disallowed_filetype() {
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// no file types provided
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if (count($this->disallowed_types) == 0 OR ! is_array($this->disallowed_types))
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return FALSE;
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// search through disallowed for this file type
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foreach ($this->disallowed_types as $val) {
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$mime = $this->mimes_types(strtolower($val));
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if (is_array($mime)) {
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if (in_array($this->file_type, $mime, TRUE)) {
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return TRUE;
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}
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}
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else {
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if ($mime == $this->file_type) {
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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function do_upload($field = 'userfile', $new_name='') {
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echo "aa";
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exit();
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if ( ! isset($_FILES[$field])) {
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$this->set_error('upload_no_file_selected');
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return FALSE;
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}
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if ( ! $this->validate_upload_path()) {
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return FALSE;
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}
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if ( ! is_uploaded_file($_FILES[$field]['tmp_name'])) {
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$error = ( ! isset($_FILES[$field]['error'])) ? 4 : $_FILES[$field]['error'];
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switch($error) {
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case 1: // UPLOAD_ERR_INI_SIZE
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$this->set_error('upload_file_exceeds_limit');
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break;
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case 2: // UPLOAD_ERR_FORM_SIZE
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$this->set_error('upload_file_exceeds_form_limit');
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break;
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case 3: // UPLOAD_ERR_PARTIAL
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$this->set_error('upload_file_partial');
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break;
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case 4: // UPLOAD_ERR_NO_FILE
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$this->set_error('upload_no_file_selected');
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break;
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case 6: // UPLOAD_ERR_NO_TMP_DIR
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$this->set_error('upload_no_temp_directory');
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break;
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case 7: // UPLOAD_ERR_CANT_WRITE
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$this->set_error('upload_unable_to_write_file');
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break;
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case 8: // UPLOAD_ERR_EXTENSION
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$this->set_error('upload_stopped_by_extension');
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break;
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default :
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$this->set_error('upload_no_file_selected');
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break;
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}
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return FALSE;
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}
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$this->file_temp = $_FILES[$field]['tmp_name'];
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$this->file_size = $_FILES[$field]['size'];
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$this->file_type = preg_replace("/^(.+?);.*$/", "\\1", $_FILES[$field]['type']);
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$this->file_type = strtolower($this->file_type);
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$this->file_ext = $this->get_extension($_FILES[$field]['name']);
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// check if a name has been specified, if so set it
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if ($new_name != '') {
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$this->file_name = $this->_prep_filename($new_name . $this->file_ext);
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}
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else {
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$this->file_name = $this->_prep_filename($_FILES[$field]['name']);
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}
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if ($this->file_size > 0) {
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$this->file_size = round($this->file_size/1024, 2);
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}
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if ( ! $this->is_allowed_filetype()) {
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$this->set_error('upload_invalid_filetype');
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return FALSE;
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}
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if ( ! $this->is_allowed_filesize()) {
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$this->set_error('upload_invalid_filesize');
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return FALSE;
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}
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if ( ! $this->is_allowed_dimensions()) {
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$this->set_error('upload_invalid_dimensions');
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return FALSE;
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}
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$this->file_name = $this->clean_file_name($this->file_name);
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if ($this->max_filename > 0) {
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$this->file_name = $this->limit_filename_length($this->file_name, $this->max_filename);
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}
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if ($this->remove_spaces == TRUE) {
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$this->file_name = preg_replace("/\s+/", "_", $this->file_name);
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}
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$this->orig_name = $this->file_name;
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if ($this->overwrite == FALSE) {
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$this->file_name = $this->set_filename($this->upload_path, $this->file_name);
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if ($this->file_name === FALSE)
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{
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return FALSE;
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}
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}
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if ( ! @copy($this->file_temp, $this->upload_path.$this->file_name)) {
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if ( ! @move_uploaded_file($this->file_temp, $this->upload_path.$this->file_name))
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{
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$this->set_error('upload_destination_error');
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return FALSE;
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}
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}
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if ($this->xss_clean == TRUE) {
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$this->do_xss_clean();
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}
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$this->set_image_properties($this->upload_path.$this->file_name);
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return TRUE;
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}
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}
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