in AKS-Demos/WordPress-Demo/Code/public/wp-admin/includes/class-pclzip.php [4680:4976]
function privDeleteByRule(&$p_result_list, &$p_options)
{
$v_result=1;
$v_list_detail = array();
// ----- Open the zip file
if (($v_result=$this->privOpenFd('rb')) != 1)
{
// ----- Return
return $v_result;
}
// ----- Read the central directory information
$v_central_dir = array();
if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1)
{
$this->privCloseFd();
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))
{
// ----- Close the zip file
$this->privCloseFd();
// ----- Error log
PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
// ----- Return
return PclZip::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();
if (($v_result = $this->privReadCentralFileHeader($v_header_list[$v_nb_extracted])) != 1)
{
// ----- Close the zip file
$this->privCloseFd();
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_options[PCLZIP_OPT_BY_NAME]))
&& ($p_options[PCLZIP_OPT_BY_NAME] != 0)) {
// ----- Look if the filename is in the list
for ($j=0; ($j<sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_found); $j++) {
// ----- Look for a directory
if (substr($p_options[PCLZIP_OPT_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_options[PCLZIP_OPT_BY_NAME][$j]))
&& (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
$v_found = true;
}
elseif ( (($v_header_list[$v_nb_extracted]['external']&0x00000010)==0x00000010) /* Indicates a folder */
&& ($v_header_list[$v_nb_extracted]['stored_filename'].'/' == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
$v_found = true;
}
}
// ----- Look for a filename
elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) {
$v_found = true;
}
}
}
// ----- Look for extract by ereg rule
// ereg() is deprecated with PHP 5.3
/*
else if ( (isset($p_options[PCLZIP_OPT_BY_EREG]))
&& ($p_options[PCLZIP_OPT_BY_EREG] != "")) {
if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
$v_found = true;
}
}
*/
// ----- Look for extract by preg rule
else if ( (isset($p_options[PCLZIP_OPT_BY_PREG]))
&& ($p_options[PCLZIP_OPT_BY_PREG] != "")) {
if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
$v_found = true;
}
}
// ----- Look for extract by index rule
else if ( (isset($p_options[PCLZIP_OPT_BY_INDEX]))
&& ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) {
// ----- Look if the index is in the list
for ($j=$j_start; ($j<sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_found); $j++) {
if (($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i<=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) {
$v_found = true;
}
if ($i>=$p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) {
$j_start = $j+1;
}
if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start']>$i) {
break;
}
}
}
else {
$v_found = true;
}
// ----- Look for deletion
if ($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 temporary file
$v_zip_temp_name = PCLZIP_TEMPORARY_DIR.uniqid('pclzip-').'.tmp';
// ----- Creates a temporary zip archive
$v_temp_zip = new PclZip($v_zip_temp_name);
// ----- Open the temporary zip file in write mode
if (($v_result = $v_temp_zip->privOpenFd('wb')) != 1) {
$this->privCloseFd();
// ----- 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'])) {
// ----- Close the zip file
$this->privCloseFd();
$v_temp_zip->privCloseFd();
@unlink($v_zip_temp_name);
// ----- Error log
PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');
// ----- Return
return PclZip::errorCode();
}
// ----- Read the file header
$v_local_header = array();
if (($v_result = $this->privReadFileHeader($v_local_header)) != 1) {
// ----- Close the zip file
$this->privCloseFd();
$v_temp_zip->privCloseFd();
@unlink($v_zip_temp_name);
// ----- Return
return $v_result;
}
// ----- Check that local file header is same as central file header
if ($this->privCheckFileHeaders($v_local_header,
$v_header_list[$i]) != 1) {
// TBC
}
unset($v_local_header);
// ----- Write the file header
if (($v_result = $v_temp_zip->privWriteFileHeader($v_header_list[$i])) != 1) {
// ----- Close the zip file
$this->privCloseFd();
$v_temp_zip->privCloseFd();
@unlink($v_zip_temp_name);
// ----- Return
return $v_result;
}
// ----- Read/write the data block
if (($v_result = PclZipUtilCopyBlock($this->zip_fd, $v_temp_zip->zip_fd, $v_header_list[$i]['compressed_size'])) != 1) {
// ----- Close the zip file
$this->privCloseFd();
$v_temp_zip->privCloseFd();
@unlink($v_zip_temp_name);
// ----- Return
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); $i++) {
// ----- Create the file header
if (($v_result = $v_temp_zip->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
$v_temp_zip->privCloseFd();
$this->privCloseFd();
@unlink($v_zip_temp_name);
// ----- Return
return $v_result;
}
// ----- Transform the header to a 'usable' info
$v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
}
// ----- Zip file comment
$v_comment = '';
if (isset($p_options[PCLZIP_OPT_COMMENT])) {
$v_comment = $p_options[PCLZIP_OPT_COMMENT];
}
// ----- Calculate the size of the central header
$v_size = @ftell($v_temp_zip->zip_fd)-$v_offset;
// ----- Create the central dir footer
if (($v_result = $v_temp_zip->privWriteCentralHeader(sizeof($v_header_list), $v_size, $v_offset, $v_comment)) != 1) {
// ----- Reset the file list
unset($v_header_list);
$v_temp_zip->privCloseFd();
$this->privCloseFd();
@unlink($v_zip_temp_name);
// ----- Return
return $v_result;
}
// ----- Close
$v_temp_zip->privCloseFd();
$this->privCloseFd();
// ----- Delete the zip file
// TBC : I should test the result ...
@unlink($this->zipname);
// ----- Rename the temporary file
// TBC : I should test the result ...
//@rename($v_zip_temp_name, $this->zipname);
PclZipUtilRename($v_zip_temp_name, $this->zipname);
// ----- Destroy the temporary archive
unset($v_temp_zip);
}
// ----- Remove every files : reset the file
else if ($v_central_dir['entries'] != 0) {
$this->privCloseFd();
if (($v_result = $this->privOpenFd('wb')) != 1) {
return $v_result;
}
if (($v_result = $this->privWriteCentralHeader(0, 0, 0, '')) != 1) {
return $v_result;
}
$this->privCloseFd();
}
// ----- Return
return $v_result;
}