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Zip dump support

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This commit is contained in:
Armel Fauveau
2001-09-22 23:02:40 +00:00
parent c174dc6998
commit 50c734d0bb
9 changed files with 169 additions and 8 deletions
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3
ChangeLog
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@@ -5,6 +5,9 @@ phpMyAdmin - Changelog
$Id$
$Source$
2001-09-23 Armel Fauveau <armel.fauveau@globalis-ms.com>
* add zip dump feature
2001-09-22 Marc Delisle <lem9@users.sourceforge.net>
* lang/romanian.inc.php3 updates, thanks to Valics Lehel.
* lang/polish.inc.php3 updates, thanks to Jakub Wilk.

1
Documentation.html
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@@ -1109,6 +1109,7 @@ CREDITS, in chronological order
* bookmarks feature
* multiple dump feature
* gzip dump feature
* zip dump feature
[gl] - Geert Lund &lt;glund_at_silversoft.dk&gt;
* various fixes

1
Documentation.txt
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@@ -565,6 +565,7 @@ CREDITS, in chronological order
* bookmarks feature
* multiple dump feature
* gzip dump feature
* zip dump feature
[gl] - Geert Lund <glund_at_silversoft.dk>
* various fixes

9
db_details.php3
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@@ -578,7 +578,8 @@ if ($num_tables > 0) {
if (PHP_INT_VERSION >= 40004) {
$is_gzip = (isset($cfgGZipDump) && $cfgGZipDump && @function_exists('gzencode'));
$is_bzip = (isset($cfgBZipDump) && $cfgBZipDump && @function_exists('bzcompress'));
if ($is_gzip || $is_bzip) {
$is_zip = (isset($cfgGZipDump) && $cfgGZipDump && @function_exists('gzcompress'));
if ($is_gzip || $is_bzip || $is_zip) {
echo "\n" . ' (';
if ($is_gzip) {
?>
@@ -591,6 +592,12 @@ if ($num_tables > 0) {
<input type="checkbox" name="bzip" value="bzip" onclick="return checkTransmitDump(this.form, 'bzip')" /><?php echo $strBzip . "\n"; ?>
<?php
}
if ($is_zip) {
echo "\n"
?>
<input type="checkbox" name="zip" value="zip" onclick="return checkTransmitDump(this.form, 'zip')" /><?php echo $strZip . "\n"; ?>
<?php
}
echo "\n" . ' )';
}
}

4
lang/english.inc.php3
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@@ -10,7 +10,7 @@ $byteUnits = array('Bytes', 'KB', 'MB', 'GB');
$day_of_week = array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat');
$month = array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
// See http://www.php.net/manual/en/function.strftime.php to define the
// See http://www.php3.net/manual/en/function.strftime.php3 to define the
// variable below
$datefmt = '%B %d, %Y at %I:%M %p';
@@ -318,4 +318,6 @@ $strWithChecked = 'With checked:';
$strWrongUser = 'Wrong username/password. Access denied.';
$strYes = 'Yes';
$strZip = '"zipped"';
?>

4
lang/french.inc.php3
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@@ -10,7 +10,7 @@ $byteUnits = array('Octets', 'Ko', 'Mo', 'Go');
$day_of_week = array('Dimanche', 'Lundi', 'Mardi', 'Mercredi', 'Jeudi', 'Vendredi', 'Samedi');
$month = array('Janvier', 'Fevrier', 'Mars', 'Avril', 'Mai', 'Juin', 'Juillet', 'Ao<41>t', 'Septembre', 'Octobre', 'Novembre', 'D<>cembre');
// Voir http://www.php.net/manual/en/function.strftime.php pour la variable
// Voir http://www.php3.net/manual/en/function.strftime.php3 pour la variable
// ci-dessous
$datefmt = '%A %d %B %Y <20> %H:%M';
@@ -318,4 +318,6 @@ $strWithChecked = 'Pour la s
$strWrongUser = 'Erreur d\'utilisateur/mot de passe. Acc<63>s refus<75>';
$strYes = 'Oui';
$strZip = '"zipp<70>"';
?>

123
libraries/zip.lib.php3 Executable file
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@@ -0,0 +1,123 @@
<?php
/* $Id$ */
/**
* Zip file creation class.
* Makes zip files.
*
* Based on :
*
* http://www.zend.com/codex.php3?id=535&single=1
* By Eric Mueller (eric@themepark.com)
*
* http://www.zend.com/codex.php3?id=470&single=1
* by Denis125 (webmaster@atlant.ru)
*
* Official ZIP file format: http://www.pkware.com/appnote.txt
*/
/**
* Zip file class
*
* @param
*
* @return
*/
class zipfile
{
var $datasec = array(); // array to store compressed data
var $ctrl_dir = array(); // central directory
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00"; // end of Central directory record
var $old_offset = 0;
function add_file($data, $name)
// adds "file" to archive
// $data - file contents
// $name - name of file in archive. Add path if your want
{
$name = str_replace("\\", "/", $name);
$fr = "\x50\x4b\x03\x04";
$fr .= "\x14\x00"; // ver needed to extract
$fr .= "\x00\x00"; // gen purpose bit flag
$fr .= "\x08\x00"; // compression method
$fr .= "\x00\x00\x00\x00"; // last mod time and date
$unc_len = strlen($data);
$crc = crc32($data);
$zdata = gzcompress($data);
$zdata = substr( substr($zdata, 0, strlen($zdata) - 4), 2); // fix crc bug
$c_len = strlen($zdata);
$fr .= pack("V",$crc); // crc32
$fr .= pack("V",$c_len); // compressed filesize
$fr .= pack("V",$unc_len); // uncompressed filesize
$fr .= pack("v", strlen($name) ); // length of filename
$fr .= pack("v", 0 ); // extra field length
$fr .= $name;
// end of "local file header" segment
// "file data" segment
$fr .= $zdata;
// "data descriptor" segment (optional but necessary if archive is not served as file)
$fr .= pack("V",$crc); // crc32
$fr .= pack("V",$c_len); // compressed filesize
$fr .= pack("V",$unc_len); // uncompressed filesize
// add this entry to array
$this -> datasec[] = $fr;
$new_offset = strlen(implode("", $this->datasec));
// now add to central directory record
$cdrec = "\x50\x4b\x01\x02";
$cdrec .="\x00\x00"; // version made by
$cdrec .="\x14\x00"; // version needed to extract
$cdrec .="\x00\x00"; // gen purpose bit flag
$cdrec .="\x08\x00"; // compression method
$cdrec .="\x00\x00\x00\x00"; // last mod time & date
$cdrec .= pack("V",$crc); // crc32
$cdrec .= pack("V",$c_len); // compressed filesize
$cdrec .= pack("V",$unc_len); // uncompressed filesize
$cdrec .= pack("v", strlen($name) ); // length of filename
$cdrec .= pack("v", 0 ); // extra field length
$cdrec .= pack("v", 0 ); // file comment length
$cdrec .= pack("v", 0 ); // disk number start
$cdrec .= pack("v", 0 ); // internal file attributes
$cdrec .= pack("V", 32 ); // external file attributes - 'archive' bit set
$cdrec .= pack("V", $this -> old_offset ); // relative offset of local header
$this -> old_offset = $new_offset;
$cdrec .= $name;
// optional extra field, file comment goes here
// save to central directory
$this -> ctrl_dir[] = $cdrec;
}
function file() { // dump out file
$data = implode("", $this -> datasec);
$ctrldir = implode("", $this -> ctrl_dir);
return
$data.
$ctrldir.
$this -> eof_ctrl_dir.
pack("v", sizeof($this -> ctrl_dir)). // total # of entries "on this disk"
pack("v", sizeof($this -> ctrl_dir)). // total # of entries overall
pack("V", strlen($ctrldir)). // size of central dir
pack("V", strlen($data)). // offset to start of central dir
"\x00\x00"; // .zip file comment length
}
}
?>

21
tbl_dump.php3
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@@ -63,7 +63,7 @@ function my_csvhandler($sql_insert)
require('./libraries/grab_globals.lib.php3');
require('./libraries/common.lib.php3');
require('./libraries/build_dump.lib.php3');
require('./libraries/zip.lib.php3');
/**
* Increase time limit for script execution and initializes some variables
@@ -78,7 +78,7 @@ $crlf = which_crlf();
* Ensure zipped formats are associated with the download feature
*/
if (empty($asfile)
&& (!empty($gzip) || !empty($bzip))) {
&& (!empty($gzip) || !empty($bzip) || !empty($zip))) {
$asfile = 1;
}
@@ -111,6 +111,9 @@ else {
} else if (isset($gzip) && $gzip == 'gzip') {
$ext = 'gz';
$mime_type = 'application/x-gzip';
} else if (isset($zip) && $zip == 'zip') {
$ext = 'zip';
$mime_type = 'application/x-zip';
} else if ($what == 'csv' || $what == 'excel') {
$ext = 'csv';
$mime_type = 'text/x-csv';
@@ -253,7 +256,19 @@ else if (isset($gzip) && $gzip == 'gzip') {
echo gzencode($dump_buffer);
}
}
// 3. on screen
// 3. as a gzipped file
else if (isset($zip) && $zip == 'zip') {
if (PHP_INT_VERSION >= 40000 && @function_exists('gzcompress')) {
if ($what == 'csv' || $what == 'excel')
$extbis='.csv';
else
$extbis='.sql';
$zipfile = new zipfile();
$zipfile -> add_file($dump_buffer, $filename . $extbis);
echo $zipfile -> file();
}
}
// 4. on screen
else {
echo $dump_buffer;
}

7
tbl_properties.php3
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@@ -889,6 +889,7 @@ echo "\n";
if (PHP_INT_VERSION >= 40004) {
$is_gzip = (isset($cfgGZipDump) && $cfgGZipDump && @function_exists('gzencode'));
$is_bzip = (isset($cfgBZipDump) && $cfgBZipDump && @function_exists('bzcompress'));
$is_zip = (isset($cfgGZipDump) && $cfgGZipDump && @function_exists('gzcompress'));
if ($is_gzip || $is_bzip) {
echo "\n" . ' (' . "\n";
if ($is_gzip) {
@@ -902,6 +903,12 @@ if (PHP_INT_VERSION >= 40004) {
<input type="checkbox" name="bzip" value="bzip" onclick="return checkTransmitDump(this.form, 'bzip')" /><?php echo $strBzip . "\n"; ?>
<?php
}
if ($is_zip) {
echo "\n"
?>
<input type="checkbox" name="zip" value="zip" onclick="return checkTransmitDump(this.form, 'zip')" /><?php echo $strZip . "\n"; ?>
<?php
}
echo "\n" . ' )';
}
}