<?php
/**
* Export to Texy! text.
*/
declare(strict_types=1);
namespace PhpMyAdmin\Plugins\Export;
use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Plugins\ExportPlugin;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyMainGroup;
use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyRootGroup;
use PhpMyAdmin\Properties\Options\Items\BoolPropertyItem;
use PhpMyAdmin\Properties\Options\Items\RadioPropertyItem;
use PhpMyAdmin\Properties\Options\Items\TextPropertyItem;
use PhpMyAdmin\Properties\Plugins\ExportPluginProperties;
use PhpMyAdmin\Util;
use function __;
use function htmlspecialchars;
use function in_array;
use function str_replace;
use function stripslashes;
/**
* Handles the export for the Texy! text class
*/
class ExportTexytext extends ExportPlugin
{
/**
* @psalm-return non-empty-lowercase-string
*/
public function getName(): string
{
return 'texytext';
}
protected function setProperties(): ExportPluginProperties
{
$exportPluginProperties = new ExportPluginProperties();
$exportPluginProperties->setText('Texy! text');
$exportPluginProperties->setExtension('txt');
$exportPluginProperties->setMimeType('text/plain');
$exportPluginProperties->setOptionsText(__('Options'));
// create the root group that will be the options field for
// $exportPluginProperties
// this will be shown as "Format specific options"
$exportSpecificOptions = new OptionsPropertyRootGroup('Format Specific Options');
// what to dump (structure/data/both) main group
$dumpWhat = new OptionsPropertyMainGroup(
'general_opts',
__('Dump table')
);
// create primary items and add them to the group
$leaf = new RadioPropertyItem('structure_or_data');
$leaf->setValues(
[
'structure' => __('structure'),
'data' => __('data'),
'structure_and_data' => __('structure and data'),
]
);
$dumpWhat->addProperty($leaf);
// add the main group to the root group
$exportSpecificOptions->addProperty($dumpWhat);
// data options main group
$dataOptions = new OptionsPropertyMainGroup(
'data',
__('Data dump options')
);
$dataOptions->setForce('structure');
// create primary items and add them to the group
$leaf = new BoolPropertyItem(
'columns',
__('Put columns names in the first row')
);
$dataOptions->addProperty($leaf);
$leaf = new TextPropertyItem(
'null',
__('Replace NULL with:')
);
$dataOptions->addProperty($leaf);
// add the main group to the root group
$exportSpecificOptions->addProperty($dataOptions);
// set the options for the export plugin property item
$exportPluginProperties->setOptions($exportSpecificOptions);
return $exportPluginProperties;
}
/**
* Outputs export header
*/
public function exportHeader(): bool
{
return true;
}
/**
* Outputs export footer
*/
public function exportFooter(): bool
{
return true;
}
/**
* Outputs database header
*
* @param string $db Database name
* @param string $dbAlias Alias of db
*/
public function exportDBHeader($db, $dbAlias = ''): bool
{
if (empty($dbAlias)) {
$dbAlias = $db;
}
return $this->export->outputHandler(
'===' . __('Database') . ' ' . $dbAlias . "\n\n"
);
}
/**
* Outputs database footer
*
* @param string $db Database name
*/
public function exportDBFooter($db): bool
{
return true;
}
/**
* Outputs CREATE DATABASE statement
*
* @param string $db Database name
* @param string $exportType 'server', 'database', 'table'
* @param string $dbAlias Aliases of db
*/
public function exportDBCreate($db, $exportType, $dbAlias = ''): bool
{
return true;
}
/**
* Outputs the content of a table in NHibernate format
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $errorUrl the url to go back in case of error
* @param string $sqlQuery SQL query for obtaining data
* @param array $aliases Aliases of db/table/columns
*/
public function exportData(
$db,
$table,
$crlf,
$errorUrl,
$sqlQuery,
array $aliases = []
): bool {
global $what, $dbi;
$db_alias = $db;
$table_alias = $table;
$this->initAlias($aliases, $db_alias, $table_alias);
if (
! $this->export->outputHandler(
$table_alias != ''
? '== ' . __('Dumping data for table') . ' ' . $table_alias . "\n\n"
: '==' . __('Dumping data for query result') . "\n\n"
)
) {
return false;
}
// Gets the data from the database
$result = $dbi->query($sqlQuery, DatabaseInterface::CONNECT_USER, DatabaseInterface::QUERY_UNBUFFERED);
$fields_cnt = $result->numFields();
// If required, get fields name at the first line
if (isset($GLOBALS[$what . '_columns'])) {
$text_output = "|------\n";
foreach ($result->getFieldNames() as $col_as) {
if (! empty($aliases[$db]['tables'][$table]['columns'][$col_as])) {
$col_as = $aliases[$db]['tables'][$table]['columns'][$col_as];
}
$text_output .= '|'
. htmlspecialchars(stripslashes($col_as));
}
$text_output .= "\n|------\n";
if (! $this->export->outputHandler($text_output)) {
return false;
}
}
// Format the data
while ($row = $result->fetchRow()) {
$text_output = '';
for ($j = 0; $j < $fields_cnt; $j++) {
if (! isset($row[$j])) {
$value = $GLOBALS[$what . '_null'];
} elseif ($row[$j] == '0' || $row[$j] != '') {
$value = $row[$j];
} else {
$value = ' ';
}
$text_output .= '|'
. str_replace(
'|',
'|',
htmlspecialchars($value)
);
}
$text_output .= "\n";
if (! $this->export->outputHandler($text_output)) {
return false;
}
}
return true;
}
/**
* Outputs result raw query in TexyText format
*
* @param string $errorUrl the url to go back in case of error
* @param string|null $db the database where the query is executed
* @param string $sqlQuery the rawquery to output
* @param string $crlf the end of line sequence
*/
public function exportRawQuery(string $errorUrl, ?string $db, string $sqlQuery, string $crlf): bool
{
global $dbi;
if ($db !== null) {
$dbi->selectDb($db);
}
return $this->exportData($db ?? '', '', $crlf, $errorUrl, $sqlQuery);
}
/**
* Returns a stand-in CREATE definition to resolve view dependencies
*
* @param string $db the database name
* @param string $view the view name
* @param string $crlf the end of line sequence
* @param array $aliases Aliases of db/table/columns
*
* @return string resulting definition
*/
public function getTableDefStandIn($db, $view, $crlf, $aliases = [])
{
global $dbi;
$text_output = '';
/**
* Get the unique keys in the table
*/
$unique_keys = [];
$keys = $dbi->getTableIndexes($db, $view);
foreach ($keys as $key) {
if ($key['Non_unique'] != 0) {
continue;
}
$unique_keys[] = $key['Column_name'];
}
/**
* Gets fields properties
*/
$dbi->selectDb($db);
/**
* Displays the table structure
*/
$text_output .= "|------\n"
. '|' . __('Column')
. '|' . __('Type')
. '|' . __('Null')
. '|' . __('Default')
. "\n|------\n";
$columns = $dbi->getColumns($db, $view);
foreach ($columns as $column) {
$col_as = $column['Field'] ?? null;
if (! empty($aliases[$db]['tables'][$view]['columns'][$col_as])) {
$col_as = $aliases[$db]['tables'][$view]['columns'][$col_as];
}
$text_output .= $this->formatOneColumnDefinition($column, $unique_keys, $col_as);
$text_output .= "\n";
}
return $text_output;
}
/**
* Returns $table's CREATE definition
*
* @param string $db the database name
* @param string $table the table name
* @param string $crlf the end of line sequence
* @param string $error_url the url to go back in case of error
* @param bool $do_relation whether to include relation comments
* @param bool $do_comments whether to include the pmadb-style column
* comments as comments in the structure;
* this is deprecated but the parameter is
* left here because /export calls
* $this->exportStructure() also for other
* export types which use this parameter
* @param bool $do_mime whether to include mime comments
* @param bool $show_dates whether to include creation/update/check dates
* @param bool $add_semicolon whether to add semicolon and end-of-line
* at the end
* @param bool $view whether we're handling a view
* @param array $aliases Aliases of db/table/columns
*
* @return string resulting schema
*/
public function getTableDef(
$db,
$table,
$crlf,
$error_url,
$do_relation,
$do_comments,
$do_mime,
$show_dates = false,
$add_semicolon = true,
$view = false,
array $aliases = []
) {
global $dbi;
$relationParameters = $this->relation->getRelationParameters();
$text_output = '';
/**
* Get the unique keys in the table
*/
$unique_keys = [];
$keys = $dbi->getTableIndexes($db, $table);
foreach ($keys as $key) {
if ($key['Non_unique'] != 0) {
continue;
}
$unique_keys[] = $key['Column_name'];
}
/**
* Gets fields properties
*/
$dbi->selectDb($db);
// Check if we can use Relations
[$res_rel, $have_rel] = $this->relation->getRelationsAndStatus(
$do_relation && $relationParameters->relationFeature !== null,
$db,
$table
);
/**
* Displays the table structure
*/
$text_output .= "|------\n";
$text_output .= '|' . __('Column');
$text_output .= '|' . __('Type');
$text_output .= '|' . __('Null');
$text_output .= '|' . __('Default');
if ($do_relation && $have_rel) {
$text_output .= '|' . __('Links to');
}
if ($do_comments) {
$text_output .= '|' . __('Comments');
$comments = $this->relation->getComments($db, $table);
}
if ($do_mime && $relationParameters->browserTransformationFeature !== null) {
$text_output .= '|' . __('Media type');
$mime_map = $this->transformations->getMime($db, $table, true);
}
$text_output .= "\n|------\n";
$columns = $dbi->getColumns($db, $table);
foreach ($columns as $column) {
$col_as = $column['Field'];
if (! empty($aliases[$db]['tables'][$table]['columns'][$col_as])) {
$col_as = $aliases[$db]['tables'][$table]['columns'][$col_as];
}
$text_output .= $this->formatOneColumnDefinition($column, $unique_keys, $col_as);
$field_name = $column['Field'];
if ($do_relation && $have_rel) {
$text_output .= '|' . htmlspecialchars(
$this->getRelationString(
$res_rel,
$field_name,
$db,
$aliases
)
);
}
if ($do_comments && $relationParameters->columnCommentsFeature !== null) {
$text_output .= '|'
. (isset($comments[$field_name])
? htmlspecialchars($comments[$field_name])
: '');
}
if ($do_mime && $relationParameters->browserTransformationFeature !== null) {
$text_output .= '|'
. (isset($mime_map[$field_name])
? htmlspecialchars(
str_replace('_', '/', $mime_map[$field_name]['mimetype'])
)
: '');
}
$text_output .= "\n";
}
return $text_output;
}
/**
* Outputs triggers
*
* @param string $db database name
* @param string $table table name
*
* @return string Formatted triggers list
*/
public function getTriggers($db, $table)
{
global $dbi;
$dump = "|------\n";
$dump .= '|' . __('Name');
$dump .= '|' . __('Time');
$dump .= '|' . __('Event');
$dump .= '|' . __('Definition');
$dump .= "\n|------\n";
$triggers = $dbi->getTriggers($db, $table);
foreach ($triggers as $trigger) {
$dump .= '|' . $trigger['name'];
$dump .= '|' . $trigger['action_timing'];
$dump .= '|' . $trigger['event_manipulation'];
$dump .= '|' .
str_replace(
'|',
'|',
htmlspecialchars($trigger['definition'])
);
$dump .= "\n";
}
return $dump;
}
/**
* Outputs table's structure
*
* @param string $db database name
* @param string $table table name
* @param string $crlf the end of line sequence
* @param string $errorUrl the url to go back in case of error
* @param string $exportMode 'create_table', 'triggers', 'create_view',
* 'stand_in'
* @param string $exportType 'server', 'database', 'table'
* @param bool $do_relation whether to include relation comments
* @param bool $do_comments whether to include the pmadb-style column
* comments as comments in the structure;
* this is deprecated but the parameter is
* left here because /export calls
* $this->exportStructure() also for other
* export types which use this parameter
* @param bool $do_mime whether to include mime comments
* @param bool $dates whether to include creation/update/check dates
* @param array $aliases Aliases of db/table/columns
*/
public function exportStructure(
$db,
$table,
$crlf,
$errorUrl,
$exportMode,
$exportType,
$do_relation = false,
$do_comments = false,
$do_mime = false,
$dates = false,
array $aliases = []
): bool {
global $dbi;
$db_alias = $db;
$table_alias = $table;
$this->initAlias($aliases, $db_alias, $table_alias);
$dump = '';
switch ($exportMode) {
case 'create_table':
$dump .= '== ' . __('Table structure for table') . ' '
. $table_alias . "\n\n";
$dump .= $this->getTableDef(
$db,
$table,
$crlf,
$errorUrl,
$do_relation,
$do_comments,
$do_mime,
$dates,
true,
false,
$aliases
);
break;
case 'triggers':
$dump = '';
$triggers = $dbi->getTriggers($db, $table);
if ($triggers) {
$dump .= '== ' . __('Triggers') . ' ' . $table_alias . "\n\n";
$dump .= $this->getTriggers($db, $table);
}
break;
case 'create_view':
$dump .= '== ' . __('Structure for view') . ' ' . $table_alias . "\n\n";
$dump .= $this->getTableDef(
$db,
$table,
$crlf,
$errorUrl,
$do_relation,
$do_comments,
$do_mime,
$dates,
true,
true,
$aliases
);
break;
case 'stand_in':
$dump .= '== ' . __('Stand-in structure for view')
. ' ' . $table . "\n\n";
// export a stand-in definition to resolve view dependencies
$dump .= $this->getTableDefStandIn($db, $table, $crlf, $aliases);
}
return $this->export->outputHandler($dump);
}
/**
* Formats the definition for one column
*
* @param array $column info about this column
* @param array $unique_keys unique keys for this table
* @param string $col_alias Column Alias
*
* @return string Formatted column definition
*/
public function formatOneColumnDefinition(
$column,
$unique_keys,
$col_alias = ''
) {
if (empty($col_alias)) {
$col_alias = $column['Field'];
}
$extracted_columnspec = Util::extractColumnSpec($column['Type']);
$type = $extracted_columnspec['print_type'];
if (empty($type)) {
$type = ' ';
}
if (! isset($column['Default'])) {
if ($column['Null'] !== 'NO') {
$column['Default'] = 'NULL';
}
}
$fmt_pre = '';
$fmt_post = '';
if (in_array($column['Field'], $unique_keys)) {
$fmt_pre = '**' . $fmt_pre;
$fmt_post .= '**';
}
if ($column['Key'] === 'PRI') {
$fmt_pre = '//' . $fmt_pre;
$fmt_post .= '//';
}
$definition = '|'
. $fmt_pre . htmlspecialchars($col_alias) . $fmt_post;
$definition .= '|' . htmlspecialchars($type);
$definition .= '|'
. ($column['Null'] == '' || $column['Null'] === 'NO'
? __('No') : __('Yes'));
$definition .= '|'
. htmlspecialchars($column['Default'] ?? '');
return $definition;
}
}