Inserted Copyright Notice and fixed graphic items
[fa-stable.git] / admin / db / maintenance_db.inc
index 444ac100d2f3cc72b0f32f2827dab98578e9742f..d5124981594d41cecb485ae6b5f0215d9d737d41 100644 (file)
@@ -1,5 +1,14 @@
 <?php
-
+/**********************************************************************
+    Copyright (C) FrontAccounting, LLC.
+       Released under the terms of the GNU Affero General Public License,
+       AGPL, as published by the Free Software Foundation, either version 
+       3 of the License, or (at your option) any later version.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+    See the License here <http://www.gnu.org/licenses/agpl-3.0.html>.
+***********************************************************************/
 function write_config_db($new = false)
 {
        global $path_to_root, $def_coy, $db_connections, $tb_pref_counter;
@@ -82,6 +91,7 @@ function db_create_db($connection)
 
 function db_drop_db($connection)
 {
+
        if ($connection["tbpref"] == "")
        {
                $sql = "DROP DATABASE " . $connection["dbname"] . "";
@@ -104,12 +114,28 @@ function db_drop_db($connection)
        }
 }
 
-function db_import($filename, $connection)
+function db_import($filename, $connection, $force=true)
 {
+       global $db;
+       $allowed_commands = array(
+               "create"  => 'table_queries', 
+               "alter table" => 'table_queries', 
+               "insert" => 'data_queries', 
+               "update" => 'data_queries', 
+               "drop table if exists" => 'drop_queries');
+       $ignored_mysql_errors = array( //errors ignored in normal (non forced) mode
+               '1022', // duplicate key
+               '1060', // duplicate column name
+               '1061', // duplicate key name
+               '1062', // duplicate key entry
+               '1091'  // can't drop key/column check if exists
+       );
        $data_queries = array();
        $drop_queries = array();
        $table_queries = array();
+       $sql_errors = array();
 
+       ini_set("max_execution_time", "180");
        // uncrompress gziped backup files
        if (strpos($filename, ".gzip") || strpos($filename, ".GZIP"))
                $lines = db_ungzip("lines", $filename);
@@ -118,74 +144,59 @@ function db_import($filename, $connection)
        else
                $lines = file("". $filename);
 
-       // divide insert and create sql queries
-       // $table is set to TRUE if the next line belongs to a create sql query
-       $table = false;
-       foreach($lines as $line)
+       // parse input file
+       $query_table = '';
+       foreach($lines as $line_no => $line)
        {
                $line = trim($line);
-
+               
                $line = str_replace("0_", $connection["tbpref"], $line);
-               // $line = str_replace("Y_", "0_", $line);
-               // the last line did not belong to a 'create' sql query
-               if (!$table)
-               {
 
-                       // this line does not, too
-                       if (strtolower(substr($line,0,6)) == "insert")
+               if ($query_table == '') 
+               {       // check if line begins with one of allowed queries
+                       foreach($allowed_commands as $cmd => $table) 
                        {
-                               $data_queries[] = substr($line, 0, strlen($line) - 1);
-
-                       // this line does not, too
-                       }
-                       elseif (strtolower(substr($line,0,6)) == "update")
-                       {
-                               $data_queries[] = substr($line, 0, strlen($line) - 1);
-
-                       // this line does not, too
-                       }
-                       elseif (strtolower(substr($line, 0, 20)) == "drop table if exists")
-                       {
-                               $drop_queries[] = substr($line, 0, strlen($line) - 1);
-
-                       // this line does!
-                       }
-                       elseif (strtolower(substr($line, 0, 6)) == "create")
-                       {
-                               $table = true;
-                               $table_queries[] = $line . "\n";
-                       }
-                       elseif (strtolower(substr($line, 0, 11)) == "alter table")
+                               if (strtolower(substr($line, 0, strlen($cmd))) == $cmd) 
+                               {
+                                       $query_table = $table;
+                                       if (strstr(strtolower($line), ' drop column '))
+                                               $query_table = 'drop_queries';
+                                       ${$query_table}[] = array('', $line_no+1);
+                                       break;
+                               }
+                       }
+                }
+                if($query_table != '')  // inside allowed query
+                {
+                       $table = $query_table;
+                       if (substr($line, -1) == ';') // end of query found
                        {
-                               $data_queries[] = substr($line, 0, strlen($line) - 1);
+                               $line = substr($line, 0, strlen($line) - 1); // strip ';'
+                               $query_table = '';
                        }
-
-               // the current line belongs to a create sql query
-               }
-               else
-               {
-
-                       // create sql query ending in this line
-                       if (strtolower(substr($line, 0, 1)) == ")") {
-                               $table = false;
-                               $line = substr($line,0,strlen($line)-1);
-                 }
-                       $table_queries[count($table_queries) - 1] .= $line . "\n";
+                       ${$table}[count(${$table}) - 1][0] .= $line . "\n";
                }
+               
        }
-
-       $sql_error = false;
-
+/*
+       {       // for debugging purposes
+       global $path_to_root;
+       $f = fopen($path_to_root.'/tmp/dbimport.txt', 'w+');
+       fwrite($f, print_r($drop_queries,true) ."\n");
+       fwrite($f, print_r($table_queries,true) ."\n");
+       fwrite($f, print_r($data_queries,true));
+       fclose($f);
+       }
+*/
        // execute drop tables if exists queries
-       if (is_array($drop_queries))
+       if ($force && is_array($drop_queries))
        {
                foreach($drop_queries as $drop_query)
                {
-                       $sql_error = false;
-                       if (!db_query($drop_query))
+                       if (!db_query($drop_query[0]))
                        {
-                               $sql_error = true;
-                               //if ($CONF['import_error']) echo nl2br($drop_query)."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
+                               if (!in_array(db_error_no(), $ignored_mysql_errors))
+                                       $sql_errors[] = array(db_error_no().':'.db_error_msg($db), $drop_query[1]);
                        }
                }
        }
@@ -195,11 +206,10 @@ function db_import($filename, $connection)
        {
                foreach($table_queries as $table_query)
                {
-                       $sql_error = false;
-                       if (!db_query($table_query))
+                       if (!db_query($table_query[0]))
                        {
-                               $sql_error = true;
-                               //if ($CONF['import_error']) echo nl2br($table_query)."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
+                               if (!$force || !in_array(db_error_no(), $ignored_mysql_errors))
+                                       $sql_errors[] = array(db_error_msg($db), $table_query[1]);
                        }
                }
        }
@@ -209,23 +219,22 @@ function db_import($filename, $connection)
        {
                foreach($data_queries as $data_query)
                {
-                       $sql_error = false;
-                       if (!db_query($data_query))
+                       if (!db_query($data_query[0]))
                        {
-                               //if ($CONF['import_error']) echo $data_query."\n<div class=\"bold_left\">".mysql_error()."</div><br>\n";
-                               $sql_error = true;
-                               return false;
+                               if (!$force || !in_array(db_error_no(),$ignored_mysql_errors))
+                                       $sql_errors[] = array(db_error_msg($db), $data_query[1]);
                        }
                }
        }
-
-       // show number successful executed querys or if an error did occur
-       if ($sql_error == 1)
+       
+       if (count($sql_errors)) {
+               // display first failure message; the rest are probably derivative 
+               $err = $sql_errors[0];
+               display_error(sprintf(_("SQL script execution failed in line %d: %s"),
+                       $err[1], $err[0]));
                return false;
-               //echo "<div class=\"red\">".IM_ERROR.".</div>\n";
-       else
+       } else
                return true;
-               //echo "<div class=\"green\">".IM_SUCCESS." ".count($table_queries)." ".IM_TABLES." ".count($data_queries)." ".IM_ROWS." (".$import_file.")</div>\n";
        //$shell_command = C_MYSQL_PATH . " -h $host -u $user -p{$password} $dbname < $filename";
        //shell_exec($shell_command);
 }
@@ -287,13 +296,12 @@ function db_unzip($mode, $path)
 
 // generates a dump of $db database
 // $drop and $zip tell if to include the drop table statement or dry to pack
-function db_export($conn, $filename, $zip='no', $comment='')
+function db_export($conn, $filename, $zip='no', $comment='', $tbpref = TB_PREF)
 {
 
        global $app_title, $version, $power_url, $path_to_root;
 
     $error = false;
-
     // set max string size before writing to file
     $max_size = 1048576 * 2; // 2 MB
     // changes max size if value can be retrieved
@@ -307,13 +315,14 @@ function db_export($conn, $filename, $zip='no', $comment='')
        $backupfile = $filename . ".zip";
     else
        $backupfile = $filename;
-    $company = get_company_pref('coy_name');
+    $company = get_company_pref('coy_name', $tbpref);
+
     //create comment
     $out="# MySQL dump of database '".$conn["dbname"]."' on host '".$conn["host"]."'\n";
     $out.="# Backup Date and Time: ".date("Y-m-d H:i")."\n";
     $out.="# Built by " . $app_title . " " . $version ."\n";
     $out.="# ".$power_url."\n";
-    $out.="# Company: ".$company."\n";
+    $out.="# Company: ". @html_entity_decode($company, ENT_COMPAT, $_SESSION['language']->encoding)."\n";
     $out.="# User: ".$_SESSION["wa_current_user"]->name."\n\n";
 
        // write users comment
@@ -411,7 +420,7 @@ function db_export($conn, $filename, $zip='no', $comment='')
                                        // run through each field
                                        for ($k = 0; $k < $nf = db_num_fields($res2); $k++)
                                        {
-                                               $out .= db_escape($row2[$k]);
+                                               $out .= db_escape(@html_entity_decode($row2[$k], ENT_COMPAT, $_SESSION['language']->encoding));
                                                if ($k < ($nf - 1))
                                                        $out .= ", ";
                                        }