2 /**********************************************************************
3 Copyright (C) FrontAccounting, LLC.
4 Released under the terms of the GNU General Public License,
5 GPL, as published by the Free Software Foundation, either version
6 3 of the License, or (at your option) any later version.
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
10 See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
11 ***********************************************************************/
14 * @return Returns the array sorted as required
15 * @param $aryData Array containing data to sort
16 * @param $strIndex name of column to use as an index
17 * @param $strSortBy Column to sort the array by
18 * @param $strSortType String containing either asc or desc [default to asc]
19 * @desc Naturally sorts an array using by the column $strSortBy
21 function array_natsort($aryData, $strIndex, $strSortBy, $strSortType=false)
23 // if the parameters are invalid
24 if (!is_array($aryData) || !$strSortBy)
28 // create our temporary arrays
29 $arySort = $aryResult = array();
31 // loop through the array
32 foreach ($aryData as $key => $aryRow)
33 // set up the value in the array
34 $arySort[$strIndex ? $aryRow[$strIndex] : $key] = $aryRow[$strSortBy];
36 // apply the natural sort
39 // if the sort type is descending
40 if ($strSortType=="desc")
44 // loop through the sorted and original data
45 foreach ($arySort as $arySortKey => $arySorted)
48 foreach ($aryData as $aryOriginal)
50 if ($aryOriginal[$strIndex]==$arySortKey)
51 // add it to the output array
52 array_push($aryResult, $aryOriginal);
54 $aryResult[$arySortKey] = $aryData[$arySortKey];
60 function write_config_db($new = false)
62 global $path_to_root, $def_coy, $db_connections, $tb_pref_counter;
66 $n = count($db_connections);
68 $msg .= "/*Connection Information for the database\n";
69 $msg .= "- \$def_coy is the default company that is pre-selected on login\n\n";
70 $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";
71 $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";
72 $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";
73 $msg .= "- password is the password the user of the database requires to be sent to authorise the above database user\n\n";
74 $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";
75 $msg .= " The scripts for MySQL provided use the name logicworks */\n\n\n";
77 $msg .= "\$def_coy = " . $def_coy . ";\n\n";
78 $msg .= "\$tb_pref_counter = " . $tb_pref_counter . ";\n\n";
79 $msg .= "\$db_connections = array (\n";
81 for ($i = 0; $i < $n; $i++)
87 $msg .= "('name' => '" . $db_connections[$i]['name'] . "',\n";
88 $msg .= "\t\t'host' => '" . $db_connections[$i]['host'] . "',\n";
89 $msg .= "\t\t'dbuser' => '" . $db_connections[$i]['dbuser'] . "',\n";
90 $msg .= "\t\t'dbpassword' => '" . $db_connections[$i]['dbpassword'] . "',\n";
91 $msg .= "\t\t'dbname' => '" . $db_connections[$i]['dbname'] . "',\n";
92 $msg .= "\t\t'tbpref' => '" . $db_connections[$i]['tbpref'] . "')";
99 $filename = $path_to_root . "/config_db.php";
100 // Check if the file exists and is writable first.
101 if (!file_exists($filename) || (is_writable($path_to_root) && is_writable($filename)))
103 if (!$zp = fopen($filename, 'w'))
109 if (!fwrite($zp, $msg))
125 function write_extensions($extensions=null, $company = -1)
127 global $path_to_root, $installed_extensions, $next_extension_id;
129 if (!isset($extensions)) {
130 $extensions = $installed_extensions;
132 if (!isset($next_extension_id)) {
133 $next_extension_id = 1;
135 // $exts = array_natsort($extensions, 'name', 'name');
136 // $extensions = $exts;
141 "/* List of installed additional modules and plugins. If adding extensions manually
142 to the list make sure they have unique, so far not used extension_ids as a keys,
143 and \$next_extension_id is also updated.
145 'name' - name for identification purposes;
146 'type' - type of extension: 'module' or 'plugin'
147 'path' - FA root based installation path
148 'filename' - name of module menu file, or plugin filename; related to path.
149 'tab' - index of the module tab (new for module, or one of standard module names for plugin);
150 'title' - is the menu text (for plugin) or new tab name
151 'active' - current status of extension
152 'acc_file' - (optional) file name with \$security_areas/\$security_sections extensions;
154 'access' - security area code in string form
156 \n\$next_extension_id = $next_extension_id; // unique id for next installed extension\n\n";
160 Do not edit this file manually. This copy of global file is overwritten
161 by extensions editor.
164 $msg .= "\$installed_extensions = array (\n";
165 foreach($extensions as $i => $ext)
170 foreach($ext as $key => $val) {
171 $msg .= $t."'$key' => '$val',\n";
178 $filename = $path_to_root . ($company==-1 ? '' : '/company/'.$company)
179 .'/installed_extensions.php';
181 // Check if the file is writable first.
182 if (!$zp = @fopen($filename, 'w'))
184 display_error(sprintf(_("Cannot open the extension setup file '%s' for writing."),
190 if (!fwrite($zp, $msg))
192 display_error(sprintf(_("Cannot write to the extensions setup file '%s'."),
203 function write_lang()
205 global $path_to_root, $installed_languages, $dflt_lang;
207 $conn = array_natsort($installed_languages, 'code', 'code');
208 $installed_languages = $conn;
209 //reset($installed_languages);
210 $n = count($installed_languages);
213 $msg .= "/* How to make new entries here\n\n";
214 $msg .= "-- if adding languages at the beginning of the list, make sure it's index is set to 0 (it has ' 0 => ')\n";
215 $msg .= "-- 'code' should match the name of the directory for the language under \\lang\n";
216 $msg .= "-- 'name' is the name that will be displayed in the language selection list (in Users and Display Setup)\n";
217 $msg .= "-- 'rtl' only needs to be set for right-to-left languages like Arabic and Hebrew\n\n";
220 $msg .= "\$installed_languages = array (\n";
223 for ($i = 0; $i < $n; $i++)
226 $msg .= "\t\tarray ";
229 $msg .= "('code' => '" . $installed_languages[$i]['code'] . "', ";
230 $msg .= "'name' => '" . $installed_languages[$i]['name'] . "', ";
231 $msg .= "'encoding' => '" . $installed_languages[$i]['encoding'] . "'";
232 if (isset($installed_languages[$i]['rtl']) && $installed_languages[$i]['rtl'])
233 $msg .= ", 'rtl' => true),\n";
239 $msg .= "\n\$dflt_lang = '$dflt_lang';\n?>\n";
241 $path = $path_to_root . "/lang";
242 $filename = $path.'/installed_languages.inc';
243 // Check if directory exists and is writable first.
244 if (file_exists($path) && is_writable($path))
246 if (!$zp = fopen($filename, 'w'))
248 display_error(_("Cannot open the languages file - ") . $filename);
253 if (!fwrite($zp, $msg))
255 display_error(_("Cannot write to the language file - ") . $filename);
265 display_error(_("The language files folder ") . $path . _(" is not writable. Change its permissions so it is, then re-run the operation."));
271 function db_create_db($connection)
273 $db = mysql_connect($connection["host"] ,
274 $connection["dbuser"], $connection["dbpassword"]);
275 if (!mysql_select_db($connection["dbname"], $db))
277 $sql = "CREATE DATABASE " . $connection["dbname"] . "";
278 if (!mysql_query($sql))
280 mysql_select_db($connection["dbname"], $db);
285 function db_drop_db($connection)
288 if ($connection["tbpref"] == "")
290 $sql = "DROP DATABASE " . $connection["dbname"] . "";
291 return mysql_query($sql);
295 $res = db_query("show table status");
296 $all_tables = array();
297 while($row = db_fetch($res))
298 $all_tables[] = $row;
299 // get table structures
300 foreach ($all_tables as $table)
302 if (strpos($table['Name'], $connection["tbpref"]) === 0)
303 db_query("DROP TABLE `".$table['Name'] . "`");
305 //deleting the tables, how??
310 function db_import($filename, $connection, $force=true)
312 global $db, $go_debug;
314 $allowed_commands = array(
315 "create" => 'table_queries',
316 "alter table" => 'table_queries',
317 "insert" => 'data_queries',
318 "update" => 'data_queries',
319 "drop table if exists" => 'drop_queries');
320 $ignored_mysql_errors = array( //errors ignored in normal (non forced) mode
321 '1022', // duplicate key
322 '1050', // Table %s already exists
323 '1060', // duplicate column name
324 '1061', // duplicate key name
325 '1062', // duplicate key entry
326 '1091' // can't drop key/column check if exists
328 $data_queries = array();
329 $drop_queries = array();
330 $table_queries = array();
331 $sql_errors = array();
333 ini_set("max_execution_time", "180");
334 db_query("SET foreign_key_checks=0");
336 // uncrompress gziped backup files
337 if (strpos($filename, ".gz") || strpos($filename, ".GZ"))
338 $lines = db_ungzip("lines", $filename);
339 elseif (strpos($filename, ".zip") || strpos($filename, ".ZIP"))
340 $lines = db_unzip("lines", $filename);
342 $lines = file("". $filename);
346 foreach($lines as $line_no => $line)
350 $line = str_replace("0_", $connection["tbpref"], $line);
352 if ($query_table == '')
353 { // check if line begins with one of allowed queries
354 foreach($allowed_commands as $cmd => $table)
356 if (strtolower(substr($line, 0, strlen($cmd))) == $cmd)
358 $query_table = $table;
359 ${$query_table}[] = array('', $line_no+1);
364 if($query_table != '') // inside allowed query
366 $table = $query_table;
367 if (substr($line, -1) == ';') // end of query found
369 $line = substr($line, 0, strlen($line) - 1); // strip ';'
372 ${$table}[count(${$table}) - 1][0] .= $line . "\n";
377 { // for debugging purposes
378 global $path_to_root;
379 $f = fopen($path_to_root.'/tmp/dbimport.txt', 'w+');
380 fwrite($f, print_r($drop_queries,true) ."\n");
381 fwrite($f, print_r($table_queries,true) ."\n");
382 fwrite($f, print_r($data_queries,true));
386 // execute drop tables if exists queries
387 if (is_array($drop_queries))
389 foreach($drop_queries as $drop_query)
391 if (!db_query($drop_query[0]))
393 if (!in_array(db_error_no(), $ignored_mysql_errors) || !$force)
394 $sql_errors[] = array(db_error_msg($db), $drop_query[1]);
399 // execute create tables queries
400 if (is_array($table_queries))
402 foreach($table_queries as $table_query)
404 if (!db_query($table_query[0]))
406 if (!in_array(db_error_no(), $ignored_mysql_errors) || !$force) {
407 $sql_errors[] = array(db_error_msg($db), $table_query[1]);
413 // execute insert data queries
414 if (is_array($data_queries))
416 foreach($data_queries as $data_query)
418 if (!db_query($data_query[0]))
420 if (!in_array(db_error_no(),$ignored_mysql_errors) || !$force)
421 $sql_errors[] = array(db_error_msg($db), $data_query[1]);
426 db_query("SET foreign_key_checks=1");
428 if (count($sql_errors)) {
429 // display first failure message; the rest are probably derivative
430 $err = $sql_errors[0];
431 display_error(sprintf(_("SQL script execution failed in line %d: %s"),
436 //$shell_command = C_MYSQL_PATH . " -h $host -u $user -p{$password} $dbname < $filename";
437 //shell_exec($shell_command);
440 // returns the content of the gziped $path backup file. use of $mode see below
441 function db_ungzip($mode, $path)
443 $file_data = gzfile($path);
444 // returns one string or an array of lines
445 if ($mode != "lines")
446 return implode("",$file_data);
451 // returns the content of the ziped $path backup file. use of $mode see below
452 function db_unzip($mode, $path)
455 $all = implode("", file($path));
457 // convert path to name of ziped file
458 $filename = ereg_replace(".*/", "", $path);
459 $filename = substr($filename, 0, strlen($filename) - 4);
461 // compare filname in zip and filename from $_GET
462 if (substr($all, 30, strlen($filename)-4) . substr($all, 30+strlen($filename)+9, 4)
464 return ''; // exit if names differ
468 // get the suffix of the filename in hex
469 $crc_bugfix = substr($all, 30, strlen($filename)+13);
470 $crc_bugfix = substr(substr($crc_bugfix, 0, strlen($crc_bugfix) - 4),
471 strlen($crc_bugfix) - 12 - 4);
473 // convert hex to ascii
474 for ($i=0; $i < 12; )
475 $suffix .= chr($crc_bugfix[$i++] . $crc_bugfix[$i++] . $crc_bugfix[$i++]);
477 // remove central directory information (we have always just one ziped file)
478 $comp = substr($all, -(strlen($all) - 30 - strlen($filename)-13));
479 $comp = substr($comp, 0, (strlen($comp) - 80 - strlen($filename)-13));
481 // fix the crc bugfix (see function save_to_file)
482 $comp = "x
\9c" . $comp . $suffix;
483 $file_data = gzuncompress($comp);
486 // returns one string or an array of lines
487 if ($mode != "lines")
490 return explode("\n", $file_data);
493 function db_backup($conn, $ext='no', $comm='', $tbpref = TB_PREF)
495 if ($conn['tbpref'] != "")
496 $filename = $conn['dbname'] . "_" . $conn['tbpref'] . date("Ymd_Hi") . ".sql";
498 $filename = $conn['dbname'] . "_" . date("Ymd_Hi") . ".sql";
500 return db_export($conn, $filename, $ext, $comm, $tbpref);
503 // generates a dump of $db database
504 // $drop and $zip tell if to include the drop table statement or dry to pack
505 function db_export($conn, $filename, $zip='no', $comment='', $tbpref = TB_PREF)
508 global $app_title, $version, $power_url, $path_to_root;
511 // set max string size before writing to file
512 $max_size = 1048576 * 2; // 2 MB
513 // changes max size if value can be retrieved
514 if (ini_get("memory_limit"))
515 $max_size = 900000 * ini_get("memory_limit");
517 // set backupfile name
519 $backupfile = $filename . ".gz";
520 elseif ($zip == "zip")
521 $backupfile = $filename . ".zip";
523 $backupfile = $filename;
524 $company = get_company_pref('coy_name', $tbpref);
527 $out="# MySQL dump of database '".$conn["dbname"]."' on host '".$conn["host"]."'\n";
528 $out.="# Backup Date and Time: ".date("Y-m-d H:i")."\n";
529 $out.="# Built by " . $app_title . " " . $version ."\n";
530 $out.="# ".$power_url."\n";
531 $out.="# Company: ". @html_entity_decode($company, ENT_QUOTES, $_SESSION['language']->encoding)."\n";
532 $out.="# User: ".$_SESSION["wa_current_user"]->name."\n\n";
534 // write users comment
537 $out .= "# Comment:\n";
538 $comment=preg_replace("'\n'","\n# ","# ".$comment);
539 //$comment=str_replace("\n", "\n# ", $comment);
540 foreach(explode("\n",$comment) as $line)
545 //$out.="use ".$db.";\n"; we don't use this option.
547 // get auto_increment values and names of all tables
548 $res = db_query("show table status");
549 $all_tables = array();
550 while($row = db_fetch($res))
552 //if ($conn["tbpref"] == "" || strpos($row['Name'], $conn["tbpref"]) !== false) replaced
553 if (($conn["tbpref"] == "" && !preg_match('/[0-9]+_/', $row['Name'])) ||
554 ($conn["tbpref"] != "" && strpos($row['Name'], $conn["tbpref"]) !== false))
555 $all_tables[] = $row;
557 // get table structures
558 foreach ($all_tables as $table)
560 $res1 = db_query("SHOW CREATE TABLE `" . $table['Name'] . "`");
561 $tmp = db_fetch($res1);
562 $table_sql[$table['Name']] = $tmp["Create Table"];
567 if (isset($table_sql))
569 foreach($table_sql as $tablenme=>$table)
572 // save all tables, needed for creating this table in $fks
573 while (($ref_pos = strpos($tmp_table, " REFERENCES ")) > 0)
575 $tmp_table = substr($tmp_table, $ref_pos + 12);
576 $ref_pos = strpos($tmp_table, "(");
577 $fks[$tablenme][] = substr($tmp_table, 0, $ref_pos);
582 $all_tables = order_sql_tables($all_tables, $fks);
584 // as long as no error occurred
587 //while($row=@mysql_fetch_array($res))
588 foreach ($all_tables as $row)
590 $tablename = $row['Name'];
591 $auto_incr[$tablename] = $row['Auto_increment'];
595 $out.="### Structure of table `".$tablename."` ###\n\n";
597 $out.="DROP TABLE IF EXISTS `".$tablename."`;\n\n";
598 $out.=$table_sql[$tablename];
600 // add auto_increment value
601 if ($auto_incr[$tablename])
602 $out.=" AUTO_INCREMENT=".$auto_incr[$tablename];
609 $out.="### Data of table `".$tablename."` ###\n\n";
611 // check if field types are NULL or NOT NULL
612 $res3 = db_query("SHOW COLUMNS FROM `" . $tablename . "`");
614 $field_type = array();
615 for ($j = 0; $j < db_num_rows($res3); $j++)
617 $row3 = db_fetch($res3);
618 $field_type[] = $row3[2];
621 $res2 = db_query("SELECT * FROM `" . $tablename . "`");
622 for ($j = 0; $j < db_num_rows($res2); $j++)
624 $out .= "INSERT INTO `" . $tablename . "` VALUES (";
625 $row2 = db_fetch_row($res2);
626 // run through each field
627 for ($k = 0; $k < $nf = db_num_fields($res2); $k++)
629 $out .= db_escape(@html_entity_decode($row2[$k], ENT_QUOTES, $_SESSION['language']->encoding));
635 // if saving is successful, then empty $out, else set error flag
636 if (strlen($out) > $max_size && $zip != "zip")
638 if (save_to_file($backupfile, $zip, $out))
645 // an error occurred! Try to delete file and return error status
649 @unlink(BACKUP_PATH . $backupfile);
653 // if saving is successful, then empty $out, else set error flag
654 if (strlen($out) > $max_size && $zip != "zip")
656 if (save_to_file($backupfile, $zip, $out))
663 // an error occurred! Try to delete file and return error status
667 @unlink(BACKUP_PATH . $backupfile);
671 // if (mysql_error()) return "DB_ERROR";
672 //@mysql_close($con);
676 if (save_to_file($backupfile, $zip, $out))
682 @unlink(BACKUP_PATH . $backupfile);
688 // orders the tables in $tables according to the constraints in $fks
689 // $fks musst be filled like this: $fks[tablename][0]=needed_table1; $fks[tablename][1]=needed_table2; ...
690 function order_sql_tables($tables, $fks)
692 // do not order if no contraints exist
697 $new_tables = array();
700 while (count($tables) && $modified == true)
703 foreach ($tables as $key=>$row)
705 // delete from $tables and add to $new_tables
706 if (isset($fks[$row['Name']]))
708 foreach($fks[$row['Name']] as $needed)
710 // go to next table if not all needed tables exist in $existing
711 if (!in_array($needed,$existing))
715 // delete from $tables and add to $new_tables
716 $existing[] = $row['Name'];
717 $new_tables[] = $row;
719 unset($tables[$key]);
727 // probably there are 'circles' in the constraints, bacause of that no proper backups can be created yet
728 // TODO: this will be fixed sometime later through using 'alter table' commands to add the constraints after generating the tables
729 // until now, just add the lasting tables to $new_tables, return them and print a warning
730 foreach($tables as $row)
731 $new_tables[] = $row;
732 echo "<div class=\"red_left\">THIS DATABASE SEEMS TO CONTAIN 'RING CONSTRAINTS'. WA DOES NOT SUPPORT THEM. PROBABLY THE FOLOWING BACKUP IS DEFECT!</div>";
737 // saves the string in $fileData to the file $backupfile as gz file or not ($zip)
738 // returns backup file name if name has changed (zip), else TRUE. If saving failed, return value is FALSE
739 function save_to_file($backupfile, $zip, $fileData)
741 global $path_to_root;
745 if ($zp = @gzopen(BACKUP_PATH . $backupfile, "a9"))
747 @gzwrite($zp, $fileData);
756 // $zip contains the timestamp
758 elseif ($zip == "zip")
760 // based on zip.lib.php 2.2 from phpMyBackupAdmin
761 // offical zip format: http://www.pkware.com/appnote.txt
763 // End of central directory record
764 $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
766 // "local file header" segment
767 $unc_len = strlen($fileData);
768 $crc = crc32($fileData);
769 $zdata = gzcompress($fileData);
771 // extend stored file name with suffix
772 // needed for decoding (because of crc bug)
773 $name_suffix = substr($zdata, -4, 4);
775 for ($i = 0; $i < 4; $i++)
776 $name_suffix2 .= sprintf("%03d", ord($name_suffix[$i]));
778 $name = substr($backupfile, 0, strlen($backupfile) - 8) . $name_suffix2 . ".sql";
781 $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2);
782 $c_len = strlen($zdata);
785 $timearray = getdate($zip);
786 $dostime = (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |
787 ($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
788 $dtime = dechex($dostime);
789 $hexdtime = "\x" . $dtime[6] . $dtime[7] . "\x" . $dtime[4].$dtime[5] . "\x" . $dtime[2] . $dtime[3] . "\x" . $dtime[0] . $dtime[1];
790 eval('$hexdtime="' . $hexdtime . '";');
792 // ver needed to extract, gen purpose bit flag, compression method, last mod time and date
793 $sub1 = "\x14\x00" . "\x00\x00" . "\x08\x00" . $hexdtime;
795 // crc32, compressed filesize, uncompressed filesize
796 $sub2 = pack('V', $crc) . pack('V', $c_len) . pack('V', $unc_len);
798 $fr = "\x50\x4b\x03\x04" . $sub1. $sub2;
800 // length of filename, extra field length
801 $fr .= pack('v', strlen($name)) . pack('v', 0);
804 // "file data" segment and "data descriptor" segment (optional but necessary if archive is not served as file)
805 $fr .= $zdata . $sub2;
807 // now add to central directory record
808 $cdrec = "\x50\x4b\x01\x02";
809 $cdrec .= "\x00\x00"; // version made by
810 $cdrec .= $sub1 . $sub2;
812 // length of filename, extra field length, file comment length, disk number start, internal file attributes, external file attributes - 'archive' bit set, offset
813 $cdrec .= pack('v', strlen($name)) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('v', 0) . pack('V', 32) . pack('V',0);
817 $fileData = $fr . $cdrec . $eof_ctrl_dir;
819 // total # of entries "on this disk", total # of entries overall, size of central dir, offset to start of central dir, .zip file comment length
820 $fileData .= pack('v', 1) . pack('v', 1) . pack('V', strlen($cdrec)) . pack('V', strlen($fr)) . "\x00\x00";
822 if ($zp = @fopen(BACKUP_PATH . $backupfile, "a"))
824 @fwrite($zp, $fileData);
837 if ($zp = @fopen(BACKUP_PATH . $backupfile, "a"))
839 @fwrite($zp, $fileData);
850 function create_comp_dirs($comp_path, $comp_subdirs)
852 $index = "<?php\nheader(\"Location: ../index.php\");\n?>";
855 $f = @fopen("$cdir/index.php", "wb");
859 foreach($comp_subdirs as $dir)
861 @mkdir($cdir.'/'.$dir);
862 $f = @fopen("$cdir/$dir/index.php", "wb");