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backup_restore.php
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backup_restore.php
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<?php
/**
* \file
* \brief Backup/Restore/Empty LWT Database
*
* Call: backup_restore.php?....
* ... restore=xxx ... do restore
* ... backup=xxx ... do backup
* ... empty=xxx ... do truncate
*
* PHP version 8.1
*
* @category User_Interface
* @package Lwt
* @author LWT Project <lwt-project@hotmail.com>
* @license Unlicense <http://unlicense.org/>
* @link https://hugofara.github.io/lwt/docs/php/files/backup-restore.html
* @since 1.0.3
*/
require_once 'inc/session_utility.php';
$message = '';
if ($tbpref == '') {
$pref = "";
} else {
$pref = substr($tbpref, 0, -1) . "-";
}
$num_fields = null;
$result = null;
if (isset($_REQUEST['restore'])) {
// RESTORE
if (isset($_FILES["thefile"]) && $_FILES["thefile"]["tmp_name"] != ""
&& $_FILES["thefile"]["error"] == 0
) {
$handle = gzopen($_FILES["thefile"]["tmp_name"], "r");
if ($handle === false) {
// $handle not OK
$message = "Error: Restore file could not be opened";
} else {
// $handle OK
$message = restore_file($handle, "Database");
}
} else {
// restore file specified
$message = "Error: No Restore file specified";
}
} elseif (isset($_REQUEST['backup'])) {
// BACKUP
$tables = array(
'archivedtexts', 'archtexttags', 'feedlinks', 'languages', 'textitems2',
'newsfeeds', 'sentences', 'settings', 'tags', 'tags2', 'texts', 'texttags',
'words', 'wordtags'
);
$fname = "lwt-backup-exp_version-" . $pref . date('Y-m-d-H-i-s') . ".sql.gz";
$out = "-- " . $fname . "\n";
foreach ($tables as $table) {
// foreach table
$result = do_mysqli_query('SELECT * FROM ' . $tbpref . $table);
$num_fields = mysqli_num_fields($result);
$out .= "\nDROP TABLE IF EXISTS " . $table . ";\n";
$row2 = mysqli_fetch_row(do_mysqli_query("SHOW CREATE TABLE $tbpref$table"));
$out .= str_replace(
$tbpref . $table,
$table,
str_replace("\n", " ", $row2[1])
) . ";\n";
if ($table !== 'sentences' && $table !== 'textitems2') {
while ($row = mysqli_fetch_row($result)) {
// foreach record
$return = 'INSERT INTO ' . $table . ' VALUES(';
for ($j = 0; $j < $num_fields; $j++) {
// foreach field
$return .= convert_string_to_sqlsyntax_nonull($row[$j]);
if ($j < ($num_fields - 1)) {
$return .= ',';
}
} // foreach field
$out .= $return . ");\n";
} // foreach record
} // if
} // foreach table
header('Content-Type: application/plain');
header('Content-Disposition: attachment; filename="' . $fname . '"');
echo gzencode($out);
exit();
} elseif (isset($_REQUEST['orig_backup'])) {
$tables = array(
'archivedtexts', 'archtexttags', 'languages', 'sentences', 'settings',
'tags', 'tags2', 'textitems', 'texts', 'texttags', 'words', 'wordtags'
);
$fname = "lwt-backup-" . $pref . date('Y-m-d-H-i-s') . ".sql.gz";
$out = "-- " . $fname . "\n";
foreach ($tables as $table) {
if ($table == 'texts') {
$result = do_mysqli_query(
'SELECT TxID, TxLgID, TxTitle, TxText, TxAnnotatedText, TxAudioURI,
TxSourceURI
FROM ' . $tbpref . $table
);
$num_fields = 7;
} elseif ($table == 'words') {
$result = do_mysqli_query(
'SELECT WoID, WoLgID, WoText, WoTextLC, WoStatus, WoTranslation,
WoRomanization, WoSentence, WoCreated, WoStatusChanged, WoTodayScore,
WoTomorrowScore, WoRandom
FROM ' . $tbpref . $table
);
$num_fields = 13;
} elseif ($table == 'languages') {
$result = do_mysqli_query(
'SELECT LgID, LgName, LgDict1URI, LgDict2URI,
REPLACE(
LgGoogleTranslateURI, "ggl.php", "http://translate.google.com"
) AS LgGoogleTranslateURI,
LgExportTemplate, LgTextSize, LgCharacterSubstitutions,
LgRegexpSplitSentences, LgExceptionsSplitSentences,
LgRegexpWordCharacters, LgRemoveSpaces, LgSplitEachChar,
LgRightToLeft
FROM ' . $tbpref . 'languages where LgName<>""'
);
$num_fields = mysqli_num_fields($result);
} elseif ($table !== 'sentences' && $table !== 'textitems'
&& $table !== 'settings'
) {
$result = do_mysqli_query('SELECT * FROM ' . $tbpref . $table);
$num_fields = mysqli_num_fields($result);
}
$out .= "\nDROP TABLE IF EXISTS " . $table . ";\n";
switch($table) {
case 'archivedtexts':
$out .= "CREATE TABLE `archivedtexts` (
`AtID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`AtLgID` int(11) unsigned NOT NULL,
`AtTitle` varchar(200) NOT NULL,
`AtText` text NOT NULL,
`AtAnnotatedText` longtext NOT NULL,
`AtAudioURI` varchar(200) DEFAULT NULL,
`AtSourceURI` varchar(1000) DEFAULT NULL,
PRIMARY KEY (`AtID`),
KEY `AtLgID` (`AtLgID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'archtexttags':
$out .= "CREATE TABLE `archtexttags` (
`AgAtID` int(11) unsigned NOT NULL,
`AgT2ID` int(11) unsigned NOT NULL,
PRIMARY KEY (`AgAtID`,`AgT2ID`),
KEY `AgAtID` (`AgAtID`),
KEY `AgT2ID` (`AgT2ID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'languages':
$out .= "CREATE TABLE `languages` (
`LgID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`LgName` varchar(40) NOT NULL,
`LgDict1URI` varchar(200) NOT NULL,
`LgDict2URI` varchar(200) DEFAULT NULL,
`LgGoogleTranslateURI` varchar(200) DEFAULT NULL,
`LgExportTemplate` varchar(1000) DEFAULT NULL,
`LgTextSize` int(5) unsigned NOT NULL DEFAULT '100',
`LgCharacterSubstitutions` varchar(500) NOT NULL,
`LgRegexpSplitSentences` varchar(500) NOT NULL,
`LgExceptionsSplitSentences` varchar(500) NOT NULL,
`LgRegexpWordCharacters` varchar(500) NOT NULL,
`LgRemoveSpaces` int(1) unsigned NOT NULL DEFAULT '0',
`LgSplitEachChar` int(1) unsigned NOT NULL DEFAULT '0',
`LgRightToLeft` int(1) unsigned NOT NULL DEFAULT '0',
PRIMARY KEY (`LgID`),
UNIQUE KEY `LgName` (`LgName`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'sentences':
$out .= "CREATE TABLE `sentences` (
`SeID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`SeLgID` int(11) unsigned NOT NULL,
`SeTxID` int(11) unsigned NOT NULL,
`SeOrder` int(11) unsigned NOT NULL,
`SeText` text,
PRIMARY KEY (`SeID`),
KEY `SeLgID` (`SeLgID`),
KEY `SeTxID` (`SeTxID`),
KEY `SeOrder` (`SeOrder`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'settings':
$out .= "CREATE TABLE `settings` (
`StKey` varchar(40) NOT NULL,
`StValue` varchar(40) DEFAULT NULL,
PRIMARY KEY (`StKey`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'tags':
$out .= "CREATE TABLE `tags` (
`TgID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`TgText` varchar(20) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
`TgComment` varchar(200) NOT NULL DEFAULT '',
PRIMARY KEY (`TgID`),
UNIQUE KEY `TgText` (`TgText`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'tags2':
$out .= "CREATE TABLE `tags2` (
`T2ID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`T2Text` varchar(20) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
`T2Comment` varchar(200) NOT NULL DEFAULT '',
PRIMARY KEY (`T2ID`),
UNIQUE KEY `T2Text` (`T2Text`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'textitems':
$out .= "CREATE TABLE `textitems` (
`TiID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`TiLgID` int(11) unsigned NOT NULL,
`TiTxID` int(11) unsigned NOT NULL,
`TiSeID` int(11) unsigned NOT NULL,
`TiOrder` int(11) unsigned NOT NULL,
`TiWordCount` int(1) unsigned NOT NULL,
`TiText` varchar(250) NOT NULL,
`TiTextLC` varchar(250) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
`TiIsNotWord` tinyint(1) NOT NULL,
PRIMARY KEY (`TiID`),
KEY `TiLgID` (`TiLgID`),
KEY `TiTxID` (`TiTxID`),
KEY `TiSeID` (`TiSeID`),
KEY `TiOrder` (`TiOrder`),
KEY `TiTextLC` (`TiTextLC`),
KEY `TiIsNotWord` (`TiIsNotWord`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'texts':
$out .= "CREATE TABLE `texts` (
`TxID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`TxLgID` int(11) unsigned NOT NULL,
`TxTitle` varchar(200) NOT NULL,
`TxText` text NOT NULL,
`TxAnnotatedText` longtext NOT NULL,
`TxAudioURI` varchar(200) DEFAULT NULL,
`TxSourceURI` varchar(1000) DEFAULT NULL,
PRIMARY KEY (`TxID`),
KEY `TxLgID` (`TxLgID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'texttags':
$out .= "CREATE TABLE `texttags` (
`TtTxID` int(11) unsigned NOT NULL,
`TtT2ID` int(11) unsigned NOT NULL,
PRIMARY KEY (`TtTxID`,`TtT2ID`),
KEY `TtTxID` (`TtTxID`),
KEY `TtT2ID` (`TtT2ID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'words':
$out .= "CREATE TABLE `words` (
`WoID` int(11) unsigned NOT NULL AUTO_INCREMENT,
`WoLgID` int(11) unsigned NOT NULL,
`WoText` varchar(250) NOT NULL,
`WoTextLC` varchar(250) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
`WoStatus` tinyint(4) NOT NULL,
`WoTranslation` varchar(500) NOT NULL DEFAULT '*',
`WoRomanization` varchar(100) DEFAULT NULL,
`WoSentence` varchar(1000) DEFAULT NULL,
`WoCreated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
`WoStatusChanged` timestamp NOT NULL DEFAULT '1970-01-01 01:00:01',
`WoTodayScore` double NOT NULL DEFAULT '0',
`WoTomorrowScore` double NOT NULL DEFAULT '0',
`WoRandom` double NOT NULL DEFAULT '0',
PRIMARY KEY (`WoID`),
UNIQUE KEY `WoLgIDTextLC` (`WoLgID`,`WoTextLC`),
KEY `WoLgID` (`WoLgID`),
KEY `WoStatus` (`WoStatus`),
KEY `WoTextLC` (`WoTextLC`),
KEY `WoTranslation` (`WoTranslation`(333)),
KEY `WoCreated` (`WoCreated`),
KEY `WoStatusChanged` (`WoStatusChanged`),
KEY `WoTodayScore` (`WoTodayScore`),
KEY `WoTomorrowScore` (`WoTomorrowScore`),
KEY `WoRandom` (`WoRandom`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
case 'wordtags':
$out .= "CREATE TABLE `wordtags` (
`WtWoID` int(11) unsigned NOT NULL,
`WtTgID` int(11) unsigned NOT NULL,
PRIMARY KEY (`WtWoID`,`WtTgID`),
KEY `WtTgID` (`WtTgID`),
KEY `WtWoID` (`WtWoID`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;\n";
break;
}
if ($table !== 'sentences' && $table !== 'textitems' && $table !== 'settings'
) {
while ($row = mysqli_fetch_row($result)) { // foreach record
$return = 'INSERT INTO ' . $table . ' VALUES(';
for ($j = 0; $j < $num_fields; $j++) { // foreach field
$return .= convert_string_to_sqlsyntax_nonull($row[$j]);
if ($j < ($num_fields - 1)) {
$return .= ',';
}
} // foreach field
$out .= $return . ");\n";
} // foreach record
} // if
} // foreach table
header('Content-Type: application/plain');
header('Content-Disposition: attachment; filename="' . $fname . '"');
echo gzencode($out);
exit();
} elseif (isset($_REQUEST['empty'])) {
// EMPTY
truncateUserDatabase();
$message = "Database content has been deleted (but settings have been kept)";
}
pagestart('Backup/Restore/Empty Database', true);
echo error_message_with_hide($message, true);
if ($tbpref == '') {
$prefinfo = "(Default Table Set)";
} else {
$prefinfo = "(Table Set: <i>" . tohtml(substr($tbpref, 0, -1)) . "</i>)";
}
?>
<form enctype="multipart/form-data" action="<?php echo $_SERVER['PHP_SELF']; ?>"
method="post" onsubmit="return confirm('Are you sure?');">
<table class="tab2" cellspacing="0" cellpadding="5">
<tr>
<th class="th1 center">Backup</th>
<td class="td1">
<p class="smallgray2">
The database <i><?php echo tohtml($dbname); ?></i>
<?php echo $prefinfo; ?> will be exported to a gzipped SQL file.<br />
Please keep this file in a safe place.<br />If necessary, you can
recreate the database via the Restore function below.<br />
The OFFICIAL LWT Backup doesn't include newsfeeds, saved text positions
and settings.<br />
Important: If the backup file is too large, the restore may not be
possible (see limits below).
</p>
<p class="right">
<br />
<input type="submit" name="orig_backup"
value="Download OFFICIAL LWT Backup" />
<input type="submit" name="backup" value="Download LWT Backup" />
</p>
</td>
</tr>
<tr>
<th class="th1 center">Restore</th>
<td class="td1">
<p class="smallgray2">
The database <i><?php echo tohtml($dbname); ?></i>
<?php echo $prefinfo; ?> will be <b>replaced</b> by the data in the
specified backup file<br />
(gzipped or normal SQL file, created above).<br /><br />
<span class="smallgray">
Important: If the backup file is too large, the restore may not
be possible.<br />
Upload limits (in bytes):
<b>post_max_size = <?php echo ini_get('post_max_size'); ?> /
upload_max_filesize =
<?php echo ini_get('upload_max_filesize'); ?></b><br />
If needed, increase in
"<?php echo tohtml(php_ini_loaded_file()); ?>" and restart
server.<br />
</span>
</p>
<p><input name="thefile" type="file" /></p>
<p class="right">
<br />
<span class="red2">
YOU MAY LOSE DATA - BE CAREFUL:
</span>
<input type="submit" name="restore"
value="Restore from LWT Backup" />
</p>
</td>
</tr>
<tr>
<th class="th1 center">Install<br />LWT<br />Demo</th>
<td class="td1">
<p class="smallgray2">
The database <i><?php echo tohtml($dbname); ?></i>
<?php echo $prefinfo; ?> will be <b>replaced</b> by the LWT demo
database.
</p>
<p class="right">
<br />
<input type="button" value="Install LWT Demo Database"
onclick="location.href='install_demo.php';" />
</p>
</td>
</tr>
<tr>
<th class="th1 center">Empty<br />Database</th>
<td class="td1">
<p class="smallgray2">
Empty (= <b>delete</b> the contents of) all tables - except the
Settings - of your database <i><?php echo tohtml($dbname); ?></i>
<?php echo $prefinfo; ?>.
</p>
<p class="right">
<br />
<span class="red2">
YOU MAY LOSE DATA - BE CAREFUL:
</span>
<input type="submit" name="empty" value="Empty LWT Database" />
</p>
</td>
</tr>
<tr>
<td class="td1 right" colspan="2">
<input type="button" value="<< Back"
onclick="location.href='index.php';" />
</td>
</tr>
</table>
</form>
<?php
pageend();
?>