Zip dump support

ChangeLog

@@ -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.

Documentation.html

@@ -1109,6 +1109,7 @@ CREDITS, in chronological order
 	* bookmarks feature
 	* multiple dump feature
 	* gzip dump feature
+	* zip dump feature
 
 [gl] - Geert Lund <glund_at_silversoft.dk>
 	* various fixes

Documentation.txt

@@ -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

db_details.php3

@@ -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" . '                )';
         }
     }

lang/english.inc.php3

@@ -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"';
 ?>

lang/french.inc.php3

@@ -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>"';
 ?>

libraries/zip.lib.php3

@@ -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 
+    } 
+}
+?>

tbl_dump.php3

@@ -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;
 }

tbl_properties.php3

@@ -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" . '                    )';
     }
 }