/**
* AkZip::_deleteByRule()
*
* { Description }
*
*/
function _deleteByRule(&$p_result_list, &$p_params)
{
$v_result = 1;
$v_list_detail = array();
// ----- Open the zip file
if (($v_result = $this->_openFd('rb')) != 1) {
// ----- Return
return $v_result;
}
// ----- Read the central directory informations
$v_central_dir = array();
if (($v_result = $this->_readEndCentralDir($v_central_dir)) != 1) {
$this->_closeFd();
return $v_result;
}
// ----- Go to beginning of File
@rewind($this->_zip_fd);
// ----- Scan all the files
// ----- Start at beginning of Central Dir
$v_pos_entry = $v_central_dir['offset'];
@rewind($this->_zip_fd);
if (@fseek($this->_zip_fd, $v_pos_entry)) {
// ----- Clean
$this->_closeFd();
$this->_errorLog(AK_ZIP_ERR_INVALID_AK_ZIP, 'Invalid archive size');
return AkZip::errorCode();
}
// ----- Read each entry
$v_header_list = array();
$j_start = 0;
for ($i = 0, $v_nb_extracted = 0; $i < $v_central_dir['entries']; $i++) {
// ----- Read the file header
$v_header_list[$v_nb_extracted] = array();
$v_result = $this->_readCentralFileHeader($v_header_list[$v_nb_extracted]);
if ($v_result != 1) {
// ----- Clean
$this->_closeFd();
return $v_result;
}
// ----- Store the index
$v_header_list[$v_nb_extracted]['index'] = $i;
// ----- Look for the specific extract rules
$v_found = false;
// ----- Look for extract by name rule
if (isset($p_params[AK_ZIP_PARAM_BY_NAME]) && $p_params[AK_ZIP_PARAM_BY_NAME] != 0) {
// ----- Look if the filename is in the list
for ($j = 0; $j < sizeof($p_params[AK_ZIP_PARAM_BY_NAME]) && !$v_found; $j++) {
// ----- Look for a directory
if (substr($p_params[AK_ZIP_PARAM_BY_NAME][$j], -1) == "/") {
// ----- Look if the directory is in the filename path
if (strlen($v_header_list[$v_nb_extracted]['stored_filename']) > strlen($p_params[AK_ZIP_PARAM_BY_NAME][$j]) && substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_params[AK_ZIP_PARAM_BY_NAME][$j])) == $p_params[AK_ZIP_PARAM_BY_NAME][$j]) {
$v_found = true;
} elseif (($v_header_list[$v_nb_extracted]['external'] & 0x10) == 0x10 && $v_header_list[$v_nb_extracted]['stored_filename'] . '/' == $p_params[AK_ZIP_PARAM_BY_NAME][$j]) {
$v_found = true;
}
} elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_params[AK_ZIP_PARAM_BY_NAME][$j]) {
$v_found = true;
}
}
} else {
if (isset($p_params[AK_ZIP_PARAM_BY_EREG]) && $p_params[AK_ZIP_PARAM_BY_EREG] != "") {
if (ereg($p_params[AK_ZIP_PARAM_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
$v_found = true;
}
} else {
if (isset($p_params[AK_ZIP_PARAM_BY_PREG]) && $p_params[AK_ZIP_PARAM_BY_PREG] != "") {
if (preg_match($p_params[AK_ZIP_PARAM_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
$v_found = true;
}
} else {
if (isset($p_params[AK_ZIP_PARAM_BY_INDEX]) && $p_params[AK_ZIP_PARAM_BY_INDEX] != 0) {
// ----- Look if the index is in the list
for ($j = $j_start; $j < sizeof($p_params[AK_ZIP_PARAM_BY_INDEX]) && !$v_found; $j++) {
if ($i >= $p_params[AK_ZIP_PARAM_BY_INDEX][$j]['start'] && $i <= $p_params[AK_ZIP_PARAM_BY_INDEX][$j]['end']) {
$v_found = true;
}
if ($i >= $p_params[AK_ZIP_PARAM_BY_INDEX][$j]['end']) {
$j_start = $j + 1;
}
if ($p_params[AK_ZIP_PARAM_BY_INDEX][$j]['start'] > $i) {
break;
}
}
}
}
}
}
// ----- Look for deletion
if ($v_found) {
unset($v_header_list[$v_nb_extracted]);
} else {
$v_nb_extracted++;
}
}
// ----- Look if something need to be deleted
if ($v_nb_extracted > 0) {
// ----- Creates a temporay file
$v_zip_temp_name = AK_ZIP_TEMPORARY_DIR . uniqid('archive_zip-') . '.tmp';
// ----- Creates a temporary zip archive
$v_temp_zip = new AkZip($v_zip_temp_name);
// ----- Open the temporary zip file in write mode
if (($v_result = $v_temp_zip->_openFd('wb')) != 1) {
$this->_closeFd();
// ----- Return
return $v_result;
}
// ----- Look which file need to be kept
for ($i = 0; $i < sizeof($v_header_list); $i++) {
// ----- Calculate the position of the header
@rewind($this->_zip_fd);
if (@fseek($this->_zip_fd, $v_header_list[$i]['offset'])) {
// ----- Clean
$this->_closeFd();
$v_temp_zip->_closeFd();
@unlink($v_zip_temp_name);
$this->_errorLog(AK_ZIP_ERR_INVALID_AK_ZIP, 'Invalid archive size');
return AkZip::errorCode();
}
// ----- Read the file header
if (($v_result = $this->_readFileHeader($v_header_list[$i])) != 1) {
// ----- Clean
$this->_closeFd();
$v_temp_zip->_closeFd();
@unlink($v_zip_temp_name);
return $v_result;
}
// ----- Write the file header
$v_result = $v_temp_zip->_writeFileHeader($v_header_list[$i]);
if ($v_result != 1) {
// ----- Clean
$this->_closeFd();
$v_temp_zip->_closeFd();
@unlink($v_zip_temp_name);
return $v_result;
}
// ----- Read/write the data block
$v_result = $this->_tool_CopyBlock($this->_zip_fd, $v_temp_zip->_zip_fd, $v_header_list[$i]['compressed_size']);
if ($v_result != 1) {
// ----- Clean
$this->_closeFd();
$v_temp_zip->_closeFd();
@unlink($v_zip_temp_name);
return $v_result;
}
}
// ----- Store the offset of the central dir
$v_offset = @ftell($v_temp_zip->_zip_fd);
// ----- Re-Create the Central Dir files header
for ($i = 0; $i < sizeof($v_header_list); $i++) {
// ----- Create the file header
$v_result = $v_temp_zip->_writeCentralFileHeader($v_header_list[$i]);
if ($v_result != 1) {
// ----- Clean
$v_temp_zip->_closeFd();
$this->_closeFd();
@unlink($v_zip_temp_name);
return $v_result;
}
// ----- Transform the header to a 'usable' info
$v_temp_zip->_convertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
}
// ----- Zip file comment
$v_comment = '';
// ----- Calculate the size of the central header
$v_size = @ftell($v_temp_zip->_zip_fd) - $v_offset;
// ----- Create the central dir footer
$v_result = $v_temp_zip->_writeCentralHeader(sizeof($v_header_list), $v_size, $v_offset, $v_comment);
if ($v_result != 1) {
// ----- Clean
unset($v_header_list);
$v_temp_zip->_closeFd();
$this->_closeFd();
@unlink($v_zip_temp_name);
return $v_result;
}
// ----- Close
$v_temp_zip->_closeFd();
$this->_closeFd();
// ----- Delete the zip file
// TBC : I should test the result ...
@unlink($this->_zipname);
// ----- Rename the temporary file
// TBC : I should test the result ...
//@rename($v_zip_temp_name, $this->_zipname);
$this->_tool_Rename($v_zip_temp_name, $this->_zipname);
// ----- Destroy the temporary archive
unset($v_temp_zip);
}
// ----- Return
return $v_result;
}
