3 function write_config_db($new = false)
5 global $path_to_root, $def_coy, $db_connections, $tb_pref_counter;
6 include_once($path_to_root . "/config_db.php");
10 $n = count($db_connections);
12 $msg .= "/*Connection Information for the database\n";
13 $msg .= "- \$def_coy is the default company that is pre-selected on login\n\n";
14 $msg .= "- host is the computer ip address or name where the database is the default is localhost assuming that the web server is also the sql server\n\n";
15 $msg .= "- user is the user name under which the database should be accessed - need to change to the mysql (or other DB) user set up for purpose\n";
16 $msg .= " NB it is not secure to use root as the user with no password - a user with appropriate privileges must be set up\n\n";
17 $msg .= "- password is the password the user of the database requires to be sent to authorise the above database user\n\n";
18 $msg .= "- DatabaseName is the name of the database as defined in the RDMS being used. Typically RDMS allow many databases to be maintained under the same server.\n";
19 $msg .= " The scripts for MySQL provided use the name logicworks */\n\n\n";
21 $msg .= "\$def_coy = " . $def_coy . ";\n\n";
22 $msg .= "\$tb_pref_counter = " . $tb_pref_counter . ";\n\n";
23 $msg .= "\$db_connections = array (\n";
25 for ($i = 0; $i < $n; $i++)
31 $msg .= "('name' => '" . $db_connections[$i]['name'] . "',\n";
32 $msg .= "\t\t'host' => '" . $db_connections[$i]['host'] . "',\n";
33 $msg .= "\t\t'dbuser' => '" . $db_connections[$i]['dbuser'] . "',\n";
34 $msg .= "\t\t'dbpassword' => '" . $db_connections[$i]['dbpassword'] . "',\n";
35 $msg .= "\t\t'dbname' => '" . $db_connections[$i]['dbname'] . "',\n";
36 $msg .= "\t\t'tbpref' => '" . $db_connections[$i]['tbpref'] . "')";
43 $filename = $path_to_root . "/config_db.php";
44 // Check if the file exists and is writable first.
45 if (file_exists($filename) && is_writable($filename))
47 if (!$zp = fopen($filename, 'w'))
53 if (!fwrite($zp, $msg))
69 function db_create_db($connection)
71 $db = mysql_connect($connection["host"] ,
72 $connection["dbuser"], $connection["dbpassword"]);
73 if (!mysql_select_db($connection["dbname"], $db))
75 $sql = "CREATE DATABASE " . $connection["dbname"] . "";
76 if (!mysql_query($sql))
78 mysql_select_db($connection["dbname"], $db);
83 function db_drop_db($connection)
85 if ($connection["tbpref"] == "")
87 $sql = "DROP DATABASE " . $connection["dbname"] . "";
88 return mysql_query($sql);
92 $res = db_query("show table status");
93 $all_tables = array();
94 while($row = db_fetch($res))
96 // get table structures
97 foreach ($all_tables as $table)
99 if (strpos($table['Name'], $connection["tbpref"]) === 0)
100 db_query("DROP TABLE `".$table['Name'] . "`");
102 //deleting the tables, how??
107 function db_import($filename, $connection)
109 $data_queries = array();
110 $drop_queries = array();
111 $table_queries = array();
113 ini_set("max_execution_time", "180");
114 // uncrompress gziped backup files
115 if (strpos($filename, ".gzip") || strpos($filename, ".GZIP"))
116 $lines = db_ungzip("lines", $filename);
117 elseif (strpos($filename, ".zip") || strpos($filename, ".ZIP"))
118 $lines = db_unzip("lines", $filename);
120 $lines = file("". $filename);
122 // divide insert and create sql queries
123 // $table is set to TRUE if the next line belongs to a create sql query
125 foreach($lines as $line)
129 $line = str_replace("0_", $connection["tbpref"], $line);
130 // $line = str_replace("Y_", "0_", $line);
131 // the last line did not belong to a 'create' sql query
135 // this line does not, too
136 if (strtolower(substr($line,0,6)) == "insert")
138 $data_queries[] = substr($line, 0, strlen($line) - 1);
140 // this line does not, too
142 elseif (strtolower(substr($line,0,6)) == "update")
144 $data_queries[] = substr($line, 0, strlen($line) - 1);
146 // this line does not, too
148 elseif (strtolower(substr($line, 0, 20)) == "drop table if exists")
150 $drop_queries[] = substr($line, 0, strlen($line) - 1);
154 elseif (strtolower(substr($line, 0, 6)) == "create")
157 $table_queries[] = $line . "\n";
159 elseif (strtolower(substr($line, 0, 11)) == "alter table")
161 $data_queries[] = substr($line, 0, strlen($line) - 1);
164 // the current line belongs to a create sql query
169 // create sql query ending in this line
170 if (strtolower(substr($line, 0, 1)) == ")") {
172 $line = substr($line,0,strlen($line)-1);
174 $table_queries[count($table_queries) - 1] .= $line . "\n";
180 // execute drop tables if exists queries
181 if (is_array($drop_queries))
183 foreach($drop_queries as $drop_query)
186 if (!db_query($drop_query))
189 //if ($CONF['import_error']) echo nl2br($drop_query)."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
194 // execute create tables queries
195 if (is_array($table_queries))
197 foreach($table_queries as $table_query)
200 if (!db_query($table_query))
203 //if ($CONF['import_error']) echo nl2br($table_query)."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
208 // execute insert data queries
209 if (is_array($data_queries))
211 foreach($data_queries as $data_query)
214 if (!db_query($data_query))
216 //if ($CONF['import_error']) echo $data_query."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
223 // show number successful executed querys or if an error did occur
226 //echo "<div class=\"red\">".IM_ERROR.".</div>\n";
229 //echo "<div class=\"green\">".IM_SUCCESS." ".count($table_queries)." ".IM_TABLES." ".count($data_queries)." ".IM_ROWS." (".$import_file.")</div>\n";
230 //$shell_command = C_MYSQL_PATH . " -h $host -u $user -p{$password} $dbname < $filename";
231 //shell_exec($shell_command);
234 // returns the content of the gziped $path backup file. use of $mode see below
235 function db_ungzip($mode, $path)
237 $file_data = gzfile($path);
238 // returns one string or an array of lines
239 if ($mode != "lines")
240 return implode("",$file_data);
245 // returns the content of the ziped $path backup file. use of $mode see below
246 function db_unzip($mode, $path)
249 $all = implode("", file($path));
251 // convert path to name of ziped file
252 $filename = ereg_replace(".*/", "", $path);
253 $filename = substr($filename, 0, strlen($filename) - 4);
255 // compare filname in zip and filename from $_GET
256 if (substr($all, 30, strlen($filename)) != $filename)
259 // exit if names differ
260 //echo F_WRONG_FILE.".";
265 // get the suffix of the filename in hex
266 $crc_bugfix = substr(substr($filename, 0, strlen($filename) - 4), strlen($filename) - 12 - 4);
269 // convert hex to ascii
270 for ($i=0; $i < 12; )
271 $suffix .= chr($crc_bugfix[$i++] . $crc_bugfix[$i++] . $crc_bugfix[$i++]);
273 // remove central directory information (we have always just one ziped file)
274 $comp = substr($all, -(strlen($all) - 30 - strlen($filename)));
275 $comp = substr($comp, 0, (strlen($comp) - 80 - strlen($filename)));
277 // fix the crc bugfix (see function save_to_file)
278 $comp = "x
\9c" . $comp . $suffix;
279 $file_data = gzuncompress($comp);
282 // returns one string or an array of lines
283 if ($mode != "lines")
286 return explode("\n", $file_data);
289 // generates a dump of $db database
290 // $drop and $zip tell if to include the drop table statement or dry to pack
291 function db_export($conn, $filename, $zip='no', $comment='')
294 global $app_title, $version, $power_url, $path_to_root;
298 // set max string size before writing to file
299 $max_size = 1048576 * 2; // 2 MB
300 // changes max size if value can be retrieved
301 if (ini_get("memory_limit"))
302 $max_size = 900000 * ini_get("memory_limit");
304 // set backupfile name
306 $backupfile = $filename . ".gz";
307 elseif ($zip == "zip")
308 $backupfile = $filename . ".zip";
310 $backupfile = $filename;
311 $company = get_company_pref('coy_name');
313 $out="# MySQL dump of database '".$conn["dbname"]."' on host '".$conn["host"]."'\n";
314 $out.="# Backup Date and Time: ".date("Y-m-d H:i")."\n";
315 $out.="# Built by " . $app_title . " " . $version ."\n";
316 $out.="# ".$power_url."\n";
317 $out.="# Company: ". @html_entity_decode($company, ENT_COMPAT, $_SESSION['language']->encoding)."\n";
318 $out.="# User: ".$_SESSION["wa_current_user"]->name."\n\n";
320 // write users comment
323 $out .= "# Comment:\n";
324 $comment=preg_replace("'\n'","\n# ","# ".$comment);
325 //$comment=str_replace("\n", "\n# ", $comment);
326 foreach(explode("\n",$comment) as $line)
331 //$out.="use ".$db.";\n"; we don't use this option.
333 // get auto_increment values and names of all tables
334 $res = db_query("show table status");
335 $all_tables = array();
336 while($row = db_fetch($res))
338 //if ($conn["tbpref"] == "" || strpos($row['Name'], $conn["tbpref"]) !== false) replaced
339 if (($conn["tbpref"] == "" && !preg_match('/[0-9]+_/', $row['Name'])) ||
340 ($conn["tbpref"] != "" && strpos($row['Name'], $conn["tbpref"]) !== false))
341 $all_tables[] = $row;
343 // get table structures
344 foreach ($all_tables as $table)
346 $res1 = db_query("SHOW CREATE TABLE `" . $table['Name'] . "`");
347 $tmp = db_fetch($res1);
348 $table_sql[$table['Name']] = $tmp["Create Table"];
353 if (isset($table_sql))
355 foreach($table_sql as $tablenme=>$table)
358 // save all tables, needed for creating this table in $fks
359 while (($ref_pos = strpos($tmp_table, " REFERENCES ")) > 0)
361 $tmp_table = substr($tmp_table, $ref_pos + 12);
362 $ref_pos = strpos($tmp_table, "(");
363 $fks[$tablenme][] = substr($tmp_table, 0, $ref_pos);
368 $all_tables = order_sql_tables($all_tables, $fks);
370 // as long as no error occurred
373 //while($row=@mysql_fetch_array($res))
374 foreach ($all_tables as $row)
376 $tablename = $row['Name'];
377 $auto_incr[$tablename] = $row['Auto_increment'];
381 $out.="### Structure of table `".$tablename."` ###\n\n";
383 $out.="DROP TABLE IF EXISTS `".$tablename."`;\n\n";
384 $out.=$table_sql[$tablename];
386 // add auto_increment value
387 if ($auto_incr[$tablename])
388 $out.=" AUTO_INCREMENT=".$auto_incr[$tablename];
395 $out.="### Data of table `".$tablename."` ###\n\n";
397 // check if field types are NULL or NOT NULL
398 $res3 = db_query("SHOW COLUMNS FROM `" . $tablename . "`");
400 $field_type = array();
401 for ($j = 0; $j < db_num_rows($res3); $j++)
403 $row3 = db_fetch($res3);
404 $field_type[] = $row3[2];
407 $res2 = db_query("SELECT * FROM `" . $tablename . "`");
408 for ($j = 0; $j < db_num_rows($res2); $j++)
410 $out .= "INSERT INTO `" . $tablename . "` VALUES (";
411 $row2 = db_fetch_row($res2);
412 // run through each field
413 for ($k = 0; $k < $nf = db_num_fields($res2); $k++)
415 $out .= db_escape(@html_entity_decode($row2[$k], ENT_COMPAT, $_SESSION['language']->encoding));
421 // if saving is successful, then empty $out, else set error flag
422 if (strlen($out) > $max_size && $zip != "zip")
424 if (save_to_file($backupfile, $zip, $out))
431 // an error occurred! Try to delete file and return error status
435 @unlink(BACKUP_PATH . $backupfile);
439 // if saving is successful, then empty $out, else set error flag
440 if (strlen($out) > $max_size && $zip != "zip")
442 if (save_to_file($backupfile, $zip, $out))
449 // an error occurred! Try to delete file and return error status
453 @unlink(BACKUP_PATH . $backupfile);
457 // if (mysql_error()) return "DB_ERROR";
458 //@mysql_close($con);
462 if (save_to_file($backupfile, $zip, $out))
468 @unlink(BACKUP_PATH . $backupfile);
474 // orders the tables in $tables according to the constraints in $fks
475 // $fks musst be filled like this: $fks[tablename][0]=needed_table1; $fks[tablename][1]=needed_table2; ...
476 function order_sql_tables($tables, $fks)
478 // do not order if no contraints exist
483 $new_tables = array();
486 while (count($tables) && $modified == true)
489 foreach ($tables as $key=>$row)
491 // delete from $tables and add to $new_tables
492 if (isset($fks[$row['Name']]))
494 foreach($fks[$row['Name']] as $needed)
496 // go to next table if not all needed tables exist in $existing
497 if (!in_array($needed,$existing))
501 // delete from $tables and add to $new_tables
502 $existing[] = $row['Name'];
503 $new_tables[] = $row;
505 unset($tables[$key]);
513 // probably there are 'circles' in the constraints, bacause of that no proper backups can be created yet
514 // TODO: this will be fixed sometime later through using 'alter table' commands to add the constraints after generating the tables
515 // until now, just add the lasting tables to $new_tables, return them and print a warning
516 foreach($tables as $row)
517 $new_tables[] = $row;
518 echo "<div class=\"red_left\">THIS DATABASE SEEMS TO CONTAIN 'RING CONSTRAINTS'. WA DOES NOT SUPPORT THEM. PROBABLY THE FOLOWING BACKUP IS DEFECT!</div>";
523 // saves the string in $fileData to the file $backupfile as gz file or not ($zip)
524 // returns backup file name if name has changed (zip), else TRUE. If saving failed, return value is FALSE
525 function save_to_file($backupfile, $zip, $fileData)
527 global $path_to_root;
531 if ($zp = @gzopen(BACKUP_PATH . $backupfile, "a9"))
533 @gzwrite($zp, $fileData);
542 // $zip contains the timestamp
544 elseif ($zip == "zip")
546 // based on zip.lib.php 2.2 from phpMyBackupAdmin
547 // offical zip format: http://www.pkware.com/appnote.txt
549 // End of central directory record
550 $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
552 // "local file header" segment
553 $unc_len = strlen($fileData);
554 $crc = crc32($fileData);
555 $zdata = gzcompress($fileData);
557 // string needed for decoding (because of crc bug)
558 //$name_suffix = substr($zdata, -4, 4);
559 //$name_suffix2 = "_";
560 //for ($i = 0; $i < 4; $i++)
561 // $name_suffix2 .= sprintf("%03d", ord($name_suffix[$i]));
562 //$backupfile = substr($backupfile, 0, strlen($backupfile) - 8) . $name_suffix2 . ".sql.zip";
563 $name = substr($backupfile, 0, strlen($backupfile) -4);
566 $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
567 $c_len = strlen($zdata);
570 $timearray = getdate($zip);
571 $dostime = (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |
572 ($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
573 $dtime = dechex($dostime);
574 $hexdtime = "\x" . $dtime[6] . $dtime[7] . "\x" . $dtime[4].$dtime[5] . "\x" . $dtime[2] . $dtime[3] . "\x" . $dtime[0] . $dtime[1];
575 eval('$hexdtime="' . $hexdtime . '";');
577 // ver needed to extract, gen purpose bit flag, compression method, last mod time and date
578 $sub1 = "\x14\x00" . "\x00\x00" . "\x08\x00" . $hexdtime;
580 // crc32, compressed filesize, uncompressed filesize
581 $sub2 = pack('V', $crc) . pack('V', $c_len) . pack('V', $unc_len);
583 $fr = "\x50\x4b\x03\x04" . $sub1. $sub2;
585 // length of filename, extra field length
586 $fr .= pack('v', strlen($name)) . pack('v', 0);
589 // "file data" segment and "data descriptor" segment (optional but necessary if archive is not served as file)
590 $fr .= $zdata . $sub2;
592 // now add to central directory record
593 $cdrec = "\x50\x4b\x01\x02";
594 $cdrec .= "\x00\x00"; // version made by
595 $cdrec .= $sub1 . $sub2;
597 // length of filename, extra field length, file comment length, disk number start, internal file attributes, external file attributes - 'archive' bit set, offset
598 $cdrec .= pack('v', strlen($name)) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('V', 32) . pack('V',0);
602 $fileData = $fr . $cdrec . $eof_ctrl_dir;
604 // total # of entries "on this disk", total # of entries overall, size of central dir, offset to start of central dir, .zip file comment length
605 $fileData .= pack('v', 1) . pack('v', 1) . pack('V', strlen($cdrec)) . pack('V', strlen($fr)) . "\x00\x00";
607 if ($zp = @fopen(BACKUP_PATH . $backupfile, "a"))
609 @fwrite($zp, $fileData);
622 if ($zp = @fopen(BACKUP_PATH . $backupfile, "a"))
624 @fwrite($zp, $fileData);
635 function create_comp_dirs($comp_path, $comp_subdirs)
637 $index = "<?php\nheader(\"Location: ../index.php\");\n?>";
640 $f = @fopen("$cdir/index.php", "wb");
644 foreach($comp_subdirs as $dir)
646 @mkdir($cdir.'/'.$dir);
647 $f = @fopen("$cdir/$dir/index.php", "wb");