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<?php
/**
* Does an export to the screen or as a download. This checks to
* see if they have pg_dump set up, and will use it if possible.
*
* $Id: dataexport.php,v 1.26 2007/07/12 19:26:22 xzilla Exp $
*/
$extensions = array(
'sql' => 'sql',
'copy' => 'sql',
'csv' => 'csv',
'tab' => 'txt',
'html' => 'html',
'xml' => 'xml'
);
// Prevent timeouts on large exports (non-safe mode only)
if (!ini_get('safe_mode')) set_time_limit(0);
// if (!isset($_REQUEST['table']) && !isset($_REQUEST['query']))
// What must we do in this case? Maybe redirect to the homepage?
// If format is set, then perform the export
if (isset($_REQUEST['what'])) {
// Include application functions
$_no_output = true;
include_once('./libraries/lib.inc.php');
switch ($_REQUEST['what']) {
case 'dataonly':
// Check to see if they have pg_dump set up and if they do, use that
// instead of custom dump code
if ($misc->isDumpEnabled()
&& ($_REQUEST['d_format'] == 'copy' || $_REQUEST['d_format'] == 'sql')) {
include('./dbexport.php');
exit;
}
else {
$format = $_REQUEST['d_format'];
$oids = isset($_REQUEST['d_oids']);
}
break;
case 'structureonly':
// Check to see if they have pg_dump set up and if they do, use that
// instead of custom dump code
if ($misc->isDumpEnabled()) {
include('./dbexport.php');
exit;
}
else $clean = isset($_REQUEST['s_clean']);
break;
case 'structureanddata':
// Check to see if they have pg_dump set up and if they do, use that
// instead of custom dump code
if ($misc->isDumpEnabled()) {
include('./dbexport.php');
exit;
}
else {
$format = $_REQUEST['sd_format'];
$clean = isset($_REQUEST['sd_clean']);
$oids = isset($_REQUEST['sd_oids']);
}
break;
}
// Make it do a download, if necessary
if ($_REQUEST['output'] == 'download') {
// Set headers. MSIE is totally broken for SSL downloading, so
// we need to have it download in-place as plain text
if (strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE') && isset($_SERVER['HTTPS'])) {
header('Content-Type: text/plain');
}
else {
header('Content-Type: application/download');
if (isset($extensions[$format]))
$ext = $extensions[$format];
else
$ext = 'txt';
header('Content-Disposition: attachment; filename=dump.' . $ext);
}
}
else {
header('Content-Type: text/plain');
}
if (isset($_REQUEST['query'])) $_REQUEST['query'] = trim(urldecode($_REQUEST['query']));
// Set the schema search path
if (isset($_REQUEST['search_path'])) {
$data->setSearchPath(array_map('trim',explode(',',$_REQUEST['search_path'])));
}
// Set up the dump transaction
$status = $data->beginDump();
// If the dump is not dataonly then dump the structure prefix
if ($_REQUEST['what'] != 'dataonly')
echo $data->getTableDefPrefix($_REQUEST['table'], $clean);
// If the dump is not structureonly then dump the actual data
if ($_REQUEST['what'] != 'structureonly') {
// Get database encoding
$dbEncoding = $data->getDatabaseEncoding();
// Set fetch mode to NUM so that duplicate field names are properly returned
$data->conn->setFetchMode(ADODB_FETCH_NUM);
// Execute the query, if set, otherwise grab all rows from the table
if (isset($_REQUEST['table']))
$rs = $data->dumpRelation($_REQUEST['table'], $oids);
else
$rs = $data->conn->Execute($_REQUEST['query']);
if ($format == 'copy') {
$data->fieldClean($_REQUEST['table']);
echo "COPY \"{$_REQUEST['table']}\"";
if ($oids) echo " WITH OIDS";
echo " FROM stdin;\n";
while (!$rs->EOF) {
$first = true;
while(list($k, $v) = each($rs->fields)) {
// Escape value
$v = $data->escapeBytea($v);
// We add an extra escaping slash onto octal encoded characters
$v = preg_replace('/\\\\([0-7]{3})/', '\\\\\1', $v);
if ($first) {
echo (is_null($v)) ? '\\N' : $v;
$first = false;
}
else echo "\t", (is_null($v)) ? '\\N' : $v;
}
echo "\n";
$rs->moveNext();
}
echo "\\.\n";
}
elseif ($format == 'html') {
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\r\n";
echo "<html xmlns=\"http://www.w3.org/1999/xhtml\">\r\n";
echo "<head>\r\n";
echo "\t<title></title>\r\n";
echo "\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\r\n";
echo "</head>\r\n";
echo "<body>\r\n";
echo "<table class=\"phppgadmin\">\r\n";
echo "\t<tr>\r\n";
if (!$rs->EOF) {
// Output header row
$j = 0;
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($j++);
if ($finfo->name == $data->id && !$oids) continue;
echo "\t\t<th>", $misc->printVal($finfo->name, true), "</th>\r\n";
}
}
echo "\t</tr>\r\n";
while (!$rs->EOF) {
echo "\t<tr>\r\n";
$j = 0;
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($j++);
if ($finfo->name == $data->id && !$oids) continue;
echo "\t\t<td>", $misc->printVal($v, true, $finfo->type), "</td>\r\n";
}
echo "\t</tr>\r\n";
$rs->moveNext();
}
echo "</table>\r\n";
echo "</body>\r\n";
echo "</html>\r\n";
}
elseif ($format == 'xml') {
echo "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n";
echo "<data>\n";
if (!$rs->EOF) {
// Output header row
$j = 0;
echo "\t<header>\n";
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($j++);
$name = htmlspecialchars($finfo->name);
$type = htmlspecialchars($finfo->type);
echo "\t\t<column name=\"{$name}\" type=\"{$type}\" />\n";
}
echo "\t</header>\n";
}
echo "\t<records>\n";
while (!$rs->EOF) {
$j = 0;
echo "\t\t<row>\n";
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($j++);
$name = htmlspecialchars($finfo->name);
if (!is_null($v)) $v = htmlspecialchars($v);
echo "\t\t\t<column name=\"{$name}\"", (is_null($v) ? ' null="null"' : ''), ">{$v}</column>\n";
}
echo "\t\t</row>\n";
$rs->moveNext();
}
echo "\t</records>\n";
echo "</data>\n";
}
elseif ($format == 'sql') {
$data->fieldClean($_REQUEST['table']);
while (!$rs->EOF) {
echo "INSERT INTO \"{$_REQUEST['table']}\" (";
$first = true;
$j = 0;
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($j++);
$k = $finfo->name;
// SQL (INSERT) format cannot handle oids
// if ($k == $data->id) continue;
// Output field
$data->fieldClean($k);
if ($first) echo "\"{$k}\"";
else echo ", \"{$k}\"";
if (!is_null($v)) {
// Output value
// addCSlashes converts all weird ASCII characters to octal representation,
// EXCEPT the 'special' ones like \r \n \t, etc.
$v = addCSlashes($v, "\0..\37\177..\377");
// We add an extra escaping slash onto octal encoded characters
$v = preg_replace('/\\\\([0-7]{3})/', '\\\1', $v);
// Finally, escape all apostrophes
$v = str_replace("'", "''", $v);
}
if ($first) {
$values = (is_null($v) ? 'NULL' : "'{$v}'");
$first = false;
}
else $values .= ', ' . ((is_null($v) ? 'NULL' : "'{$v}'"));
}
echo ") VALUES ({$values});\n";
$rs->moveNext();
}
}
else {
switch ($format) {
case 'tab':
$sep = "\t";
break;
case 'csv':
default:
$sep = ',';
break;
}
if (!$rs->EOF) {
// Output header row
$first = true;
foreach ($rs->fields as $k => $v) {
$finfo = $rs->fetchField($k);
$v = $finfo->name;
if (!is_null($v)) $v = str_replace('"', '""', $v);
if ($first) {
echo "\"{$v}\"";
$first = false;
}
else echo "{$sep}\"{$v}\"";
}
echo "\r\n";
}
while (!$rs->EOF) {
$first = true;
foreach ($rs->fields as $k => $v) {
if (!is_null($v)) $v = str_replace('"', '""', $v);
if ($first) {
echo (is_null($v)) ? "\"\\N\"" : "\"{$v}\"";
$first = false;
}
else echo is_null($v) ? "{$sep}\"\\N\"" : "{$sep}\"{$v}\"";
}
echo "\r\n";
$rs->moveNext();
}
}
}
// If the dump is not dataonly then dump the structure suffix
if ($_REQUEST['what'] != 'dataonly') {
// Set fetch mode back to ASSOC for the table suffix to work
$data->conn->setFetchMode(ADODB_FETCH_ASSOC);
echo $data->getTableDefSuffix($_REQUEST['table']);
}
// Finish the dump transaction
$status = $data->endDump();
}
else {
// Include application functions
include_once('./libraries/lib.inc.php');
if ( !isset($_REQUEST['query']) or empty($_REQUEST['query']) )
$_REQUEST['query'] = $_SESSION['sqlquery'];
$misc->printHeader($lang['strexport']);
$misc->printBody();
$misc->printTrail(isset($_REQUEST['subject']) ? $_REQUEST['subject'] : 'database');
$misc->printTitle($lang['strexport']);
if (isset($msg)) $misc->printMsg($msg);
echo "<form action=\"dataexport.php\" method=\"post\">\n";
echo "<table>\n";
echo "<tr><th class=\"data\">{$lang['strformat']}:</th><td><select name=\"d_format\">\n";
// COPY and SQL require a table
if (isset($_REQUEST['table'])) {
echo "<option value=\"copy\">COPY</option>\n";
echo "<option value=\"sql\">SQL</option>\n";
}
echo "<option value=\"csv\">CSV</option>\n";
echo "<option value=\"tab\">{$lang['strtabbed']}</option>\n";
echo "<option value=\"html\">XHTML</option>\n";
echo "<option value=\"xml\">XML</option>\n";
echo "</select></td></tr>";
echo "</table>\n";
echo "<h3>{$lang['stroptions']}</h3>\n";
echo "<p><input type=\"radio\" id=\"output1\" name=\"output\" value=\"show\" checked=\"checked\" /><label for=\"output1\">{$lang['strshow']}</label>\n";
echo "<br/><input type=\"radio\" id=\"output2\" name=\"output\" value=\"download\" /><label for=\"output2\">{$lang['strdownload']}</label></p>\n";
echo "<p><input type=\"hidden\" name=\"action\" value=\"export\" />\n";
echo "<input type=\"hidden\" name=\"what\" value=\"dataonly\" />\n";
if (isset($_REQUEST['table'])) {
echo "<input type=\"hidden\" name=\"table\" value=\"", htmlspecialchars($_REQUEST['table']), "\" />\n";
}
echo "<input type=\"hidden\" name=\"query\" value=\"", htmlspecialchars(urlencode($_REQUEST['query'])), "\" />\n";
if (isset($_REQUEST['search_path'])) {
echo "<input type=\"hidden\" name=\"search_path\" value=\"", htmlspecialchars($_REQUEST['search_path']), "\" />\n";
}
echo $misc->form;
echo "<input type=\"submit\" value=\"{$lang['strexport']}\" /></p>\n";
echo "</form>\n";
$misc->printFooter();
}
?>
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