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refactored:

Browse Source 
made register_globals independent;
added documentation;
removed unused code;
fixed bug #1597686 last insert id message wrong;
and much more i don't remember ...
This commit is contained in:
Sebastian Mendel
2006-12-19 16:54:29 +00:00
parent 14ff3c4729
commit d3f335ac3d
4 changed files with 497 additions and 432 deletions
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439
tbl_replace.php
View File

@@ -1,249 +1,309 @@
<?php
/* $Id$ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* manipulation of table data like inserting, replacing and updating
*
* usally called as form action from tbl_change.php to insert or update table rows
*
* vim: expandtab sw=4 ts=4 sts=4:
*
* @version $Id$
*
* @todo 'edit_next' tends to not work as expected if used ... at least there is no order by
* it needs the original query and the row number and than replace the LIMIT clause
* @uses PMA_checkParameters()
* @uses PMA_DBI_select_db()
* @uses PMA_DBI_query()
* @uses PMA_DBI_fetch_row()
* @uses PMA_DBI_get_fields_meta()
* @uses PMA_DBI_free_result()
* @uses PMA_DBI_try_query()
* @uses PMA_DBI_getError()
* @uses PMA_DBI_affected_rows()
* @uses PMA_DBI_insert_id()
* @uses PMA_backquote()
* @uses PMA_getUvaCondition()
* @uses PMA_sqlAddslashes()
* @uses PMA_securePath()
* @uses PMA_sendHeaderLocation()
* @uses str_replace()
* @uses urlencode()
* @uses count()
* @uses file_exists()
* @uses strlen()
* @uses str_replace()
* @uses preg_replace()
* @uses is_array()
* @uses $GLOBALS['db']
* @uses $GLOBALS['table']
* @uses $GLOBALS['goto']
* @uses $GLOBALS['sql_query']
*/
/**
* do not import request variable into global scope
*
* cannot be used as long as it could happen that the $goto file that is included
* at the end of this script is not updated to work without imported request variables
*
* @todo uncomment this if all possible included files to rely on import request variables
if (! defined('PMA_NO_VARIABLES_IMPORT')) {
define('PMA_NO_VARIABLES_IMPORT', true);
}
*/
/**
* Gets some core libraries
*/
require_once('./libraries/common.lib.php');
require_once './libraries/common.lib.php';
// Check parameters
PMA_checkParameters(array('db', 'table', 'goto'));
PMA_DBI_select_db($db);
PMA_DBI_select_db($GLOBALS['db']);
/**
* Initializes some variables
*/
// Defines the url to return in case of success of the query
if (isset($sql_query)) {
$sql_query = urldecode($sql_query);
if (isset($_REQUEST['dontlimitchars'])) {
$url_params['dontlimitchars'] = $_REQUEST['dontlimitchars'];
}
if (!isset($dontlimitchars)) {
$dontlimitchars = 0;
if (isset($_REQUEST['pos'])) {
$url_params['pos'] = (int) $_REQUEST['pos'];
}
if (!isset($pos)) {
$pos = 0;
if (isset($_REQUEST['session_max_rows'])) {
$url_params['session_max_rows'] = (int) $_REQUEST['session_max_rows'];
}
$is_gotofile = FALSE;
if (isset($after_insert) && $after_insert == 'new_insert') {
$goto = 'tbl_change.php?'
. PMA_generate_common_url($db, $table, '&')
. '&goto=' . urlencode($goto)
. '&pos=' . $pos
. '&session_max_rows=' . $session_max_rows
. '&disp_direction=' . $disp_direction
. '&repeat_cells=' . $repeat_cells
. '&dontlimitchars=' . $dontlimitchars
. '&after_insert=' . $after_insert
. (empty($sql_query) ? '' : '&sql_query=' . urlencode($sql_query));
} elseif (isset($after_insert) && $after_insert == 'same_insert') {
$goto = 'tbl_change.php?'
. PMA_generate_common_url($db, $table, '&')
. '&goto=' . urlencode($goto)
. '&pos=' . $pos
. '&session_max_rows=' . $session_max_rows
. '&disp_direction=' . $disp_direction
. '&repeat_cells=' . $repeat_cells
. '&dontlimitchars=' . $dontlimitchars
. '&after_insert=' . $after_insert
. (empty($sql_query) ? '' : '&sql_query=' . urlencode($sql_query));
if (isset($primary_key)) {
foreach ($primary_key AS $pk) {
$goto .= '&primary_key[]=' . $pk;
if (isset($_REQUEST['disp_direction'])) {
$url_params['disp_direction'] = $_REQUEST['disp_direction'];
}
if (isset($_REQUEST['repeat_cells'])) {
$url_params['repeat_cells'] = (int) $_REQUEST['repeat_cells'];
}
$goto_include = false;
if (isset($_REQUEST['after_insert'])
&& in_array($_REQUEST['after_insert'], array('new_insert', 'same_insert', 'edit_next'))) {
$url_params['after_insert'] = $_REQUEST['after_insert'];
//$GLOBALS['goto'] = 'tbl_change.php';
$goto_include = 'tbl_change.php';
if (isset($_REQUEST['primary_key'])) {
if ($_REQUEST['after_insert'] == 'same_insert') {
foreach ($_REQUEST['primary_key'] as $pk) {
$url_params['primary_key'][] = $pk;
}
} elseif ($_REQUEST['after_insert'] == 'edit_next') {
foreach ($_REQUEST['primary_key'] as $pk) {
$local_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
. ' WHERE ' . str_replace('` =', '` >', $pk)
. ' LIMIT 1;';
$res = PMA_DBI_query($local_query);
$row = PMA_DBI_fetch_row($res);
$meta = PMA_DBI_get_fields_meta($res);
$url_params['primary_key'][] = PMA_getUvaCondition($res, count($row), $meta, $row);
}
}
}
} elseif (isset($after_insert) && $after_insert == 'edit_next') {
$goto = 'tbl_change.php?'
. PMA_generate_common_url($db, $table, '&')
. '&goto=' . urlencode($goto)
. '&pos=' . $pos
. '&session_max_rows=' . $session_max_rows
. '&disp_direction=' . $disp_direction
. '&repeat_cells=' . $repeat_cells
. '&dontlimitchars=' . $dontlimitchars
. '&after_insert=' . $after_insert
. (empty($sql_query) ? '' : '&sql_query=' . urlencode($sql_query));
if (isset($primary_key)) {
foreach ($primary_key AS $pk) {
$local_query = 'SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . str_replace('` =', '` >', urldecode($pk)) . ' LIMIT 1;';
$res = PMA_DBI_query($local_query);
$row = PMA_DBI_fetch_row($res);
$meta = PMA_DBI_get_fields_meta($res);
$goto .= '&primary_key[]=' . urlencode(PMA_getUniqueCondition($res, count($row), $meta, $row));
}
}
} elseif ($goto == 'sql.php') {
$goto = 'sql.php?'
. PMA_generate_common_url($db, $table, '&')
. '&pos=' . $pos
. '&session_max_rows=' . $session_max_rows
. '&disp_direction=' . $disp_direction
. '&repeat_cells=' . $repeat_cells
. '&dontlimitchars=' . $dontlimitchars
. '&sql_query=' . urlencode($sql_query);
} elseif (!empty($goto)) {
// Security checkings
$is_gotofile = preg_replace('@^([^?]+).*$@', '\\1', $goto);
if (!@file_exists('./' . $is_gotofile)) {
$goto = (! isset($table) || ! strlen($table)) ? 'db_sql.php' : 'tbl_sql.php';
$is_gotofile = TRUE;
} elseif (! empty($GLOBALS['goto'])) {
if (! preg_match('@^[a-z_]+\.php$@', $GLOBALS['goto'])) {
// this should NOT happen
//$GLOBALS['goto'] = false;
$goto_include = false;
} else {
$is_gotofile = ($is_gotofile == $goto);
$goto_include = $GLOBALS['goto'];
}
if ($GLOBALS['goto'] == 'db_sql.php' && isset($GLOBALS['table'])) {
unset($GLOBALS['table']);
}
}
if (! $goto_include) {
if (! isset($GLOBALS['table']) || ! strlen($GLOBALS['table'])) {
$goto_include = 'db_sql.php';
} else {
$goto_include = 'tbl_sql.php';
}
}
// Defines the url to return in case of failure of the query
if (isset($err_url)) {
$err_url = urldecode($err_url);
if (isset($_REQUEST['err_url'])) {
$err_url = $_REQUEST['err_url'];
} else {
$err_url = str_replace('&', '&amp;', $goto)
. (empty($primary_key) ? '' : '&amp;primary_key=' . (is_array($primary_key) ? $primary_key[0] : $primary_key));
$err_url = 'tbl_change.php' . PMA_generate_common_url($url_params);
}
// Misc
$seen_binary = FALSE;
$seen_binary = false;
/**
* Prepares the update/insert of a row
*/
if (isset($primary_key)) {
if (isset($_REQUEST['primary_key'])) {
// we were editing something => use primary key
$loop_array = (is_array($primary_key) ? $primary_key : array(0 => $primary_key));
$using_key = TRUE;
$is_insert = ($submit_type == $strInsertAsNewRow);
$loop_array = (is_array($_REQUEST['primary_key']) ? $_REQUEST['primary_key'] : array($_REQUEST['primary_key']));
$using_key = true;
$is_insert = ($_REQUEST['submit_type'] == $GLOBALS['strInsertAsNewRow']);
} else {
// new row => use indexes
$loop_array = array();
for ($i = 0; $i < $cfg['InsertRows']; $i++) $loop_array[$i] = $i;
$using_key = FALSE;
$is_insert = TRUE;
foreach ($_REQUEST['fields']['multi_edit'] as $key => $dummy) {
$loop_array[] = $key;
}
$using_key = false;
$is_insert = true;
}
$query = array();
$message = '';
$value_sets = array();
$func_no_param = array(
'NOW',
'CURDATE',
'CURTIME',
'UTC_DATE',
'UTC_TIME',
'UTC_TIMESTAMP',
'UNIX_TIMESTAMP',
'RAND',
'USER',
'LAST_INSERT_ID',
);
foreach ($loop_array AS $primary_key_index => $enc_primary_key) {
foreach ($loop_array as $primary_key) {
// skip fields to be ignored
if (!$using_key && isset($GLOBALS['insert_ignore_' . $enc_primary_key])) {
if (! $using_key && isset($_REQUEST['insert_ignore_' . $primary_key])) {
continue;
}
// Restore the "primary key" to a convenient format
$primary_key = urldecode($enc_primary_key);
// Defines the SET part of the sql query
$valuelist = '';
$fieldlist = '';
$query_values = array();
// Map multi-edit keys to single-level arrays, dependent on how we got the fields
$me_fields = isset($fields['multi_edit']) && isset($fields['multi_edit'][$enc_primary_key]) ? $fields['multi_edit'][$enc_primary_key] : null;
$me_fields_prev = isset($fields_prev['multi_edit']) && isset($fields_prev['multi_edit'][$enc_primary_key]) ? $fields_prev['multi_edit'][$enc_primary_key] : null;
$me_funcs = isset($funcs['multi_edit']) && isset($funcs['multi_edit'][$enc_primary_key]) ? $funcs['multi_edit'][$enc_primary_key] : null;
$me_fields_type = isset($fields_type['multi_edit']) && isset($fields_type['multi_edit'][$enc_primary_key]) ? $fields_type['multi_edit'][$enc_primary_key] : null;
$me_fields_null = isset($fields_null['multi_edit']) && isset($fields_null['multi_edit'][$enc_primary_key]) ? $fields_null['multi_edit'][$enc_primary_key] : null;
$me_fields_null_prev = isset($fields_null_prev['multi_edit']) && isset($fields_null_prev['multi_edit'][$enc_primary_key]) ? $fields_null_prev['multi_edit'][$enc_primary_key] : null;
$me_auto_increment = isset($auto_increment['multi_edit']) && isset($auto_increment['multi_edit'][$enc_primary_key]) ? $auto_increment['multi_edit'][$enc_primary_key] : null;
$me_fields =
isset($_REQUEST['fields']['multi_edit'][$primary_key])
? $_REQUEST['fields']['multi_edit'][$primary_key]
: array();
$me_fields_prev =
isset($_REQUEST['fields_prev']['multi_edit'][$primary_key])
? $_REQUEST['fields_prev']['multi_edit'][$primary_key]
: null;
$me_funcs =
isset($_REQUEST['funcs']['multi_edit'][$primary_key])
? $_REQUEST['funcs']['multi_edit'][$primary_key]
: null;
$me_fields_type =
isset($_REQUEST['fields_type']['multi_edit'][$primary_key])
? $_REQUEST['fields_type']['multi_edit'][$primary_key]
: null;
$me_fields_null =
isset($_REQUEST['fields_null']['multi_edit'][$primary_key])
? $_REQUEST['fields_null']['multi_edit'][$primary_key]
: null;
$me_fields_null_prev =
isset($_REQUEST['fields_null_prev']['multi_edit'][$primary_key])
? $_REQUEST['fields_null_prev']['multi_edit'][$primary_key]
: null;
$me_auto_increment =
isset($_REQUEST['auto_increment']['multi_edit'][$primary_key])
? $_REQUEST['auto_increment']['multi_edit'][$primary_key]
: null;
if ($using_key && isset($me_fields_type) && is_array($me_fields_type) && isset($primary_key)) {
$prot_result = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $primary_key . ';');
$prot_row = PMA_DBI_fetch_assoc($prot_result);
PMA_DBI_free_result($prot_result);
unset($prot_result);
}
foreach ($me_fields as $key => $val) {
foreach ($me_fields AS $encoded_key => $val) {
$key = urldecode($encoded_key);
$fieldlist .= PMA_backquote($key) . ', ';
require './libraries/tbl_replace_fields.inc.php';
require('./libraries/tbl_replace_fields.inc.php');
if (empty($me_funcs[$encoded_key])) {
$cur_value = $val . ', ';
} elseif (preg_match('@^(UNIX_TIMESTAMP)$@', $me_funcs[$encoded_key]) && $val != '\'\'') {
$cur_value = $me_funcs[$encoded_key] . '(' . $val . '), ';
} elseif (preg_match('@^(NOW|CURDATE|CURTIME|UTC_DATE|UTC_TIME|UTC_TIMESTAMP|UNIX_TIMESTAMP|RAND|USER|LAST_INSERT_ID)$@', $me_funcs[$encoded_key])) {
$cur_value = $me_funcs[$encoded_key] . '(), ';
if (empty($me_funcs[$key])) {
$cur_value = $val;
} elseif ('UNIX_TIMESTAMP' === $me_funcs[$key] && $val != "''") {
$cur_value = $me_funcs[$key] . '(' . $val . ')';
} elseif (in_array($me_funcs[$key], $func_no_param)) {
$cur_value = $me_funcs[$key] . '()';
} else {
$cur_value = $me_funcs[$encoded_key] . '(' . $val . '), ';
$cur_value = $me_funcs[$key] . '(' . $val . ')';
}
// i n s e r t
if ($is_insert) {
// no need to add column into the valuelist
$valuelist .= $cur_value;
$query_values[] = $cur_value;
// u p d a t e
} elseif (isset($me_fields_null_prev) && isset($me_fields_null_prev[$encoded_key]) && !empty($me_fields_null_prev[$encoded_key]) && !isset($me_fields_null[$encoded_key])) {
} elseif (!empty($me_fields_null_prev[$key])
&& !isset($me_fields_null[$key])) {
// field had the null checkbox before the update
// field no longer has the null checkbox
$valuelist .= PMA_backquote($key) . ' = ' . $cur_value;
} elseif (empty($me_funcs[$encoded_key])
&& isset($me_fields_prev) && isset($me_fields_prev[$encoded_key])
&& ("'" . PMA_sqlAddslashes(urldecode($me_fields_prev[$encoded_key])) . "'" == $val)) {
$query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
} elseif (empty($me_funcs[$key])
&& isset($me_fields_prev[$key])
&& ("'" . PMA_sqlAddslashes($me_fields_prev[$key]) . "'" == $val)) {
// No change for this column and no MySQL function is used -> next column
continue;
} elseif (!empty($val)) {
} elseif (! empty($val)) {
// avoid setting a field to NULL when it's already NULL
// (field had the null checkbox before the update
// field still has the null checkbox)
if (!(isset($me_fields_null_prev) && isset($me_fields_null_prev[$encoded_key]) && !empty($me_fields_null_prev[$encoded_key]) && isset($me_fields_null[$encoded_key]))) {
$valuelist .= PMA_backquote($key) . ' = ' . $cur_value;
if (!(! empty($me_fields_null_prev[$key])
&& isset($me_fields_null[$key]))) {
$query_values[] = PMA_backquote($key) . ' = ' . $cur_value;
}
}
} // end while
} // end foreach ($me_fields as $key => $val)
// get rid of last ,
$valuelist = preg_replace('@, $@', '', $valuelist);
if (count($query_values) > 0) {
if ($is_insert) {
$value_sets[] = implode(', ', $query_values);
} else {
// build update query
$query[] = 'UPDATE ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
. ' SET ' . implode(', ', $query_values) . ' WHERE ' . $primary_key . ' LIMIT 1';
// Builds the sql query
if ($is_insert) {
if (empty($query)) {
// first inserted row -> prepare template
$fieldlist = preg_replace('@, $@', '', $fieldlist);
$query = array('INSERT INTO ' . PMA_backquote($table) . ' (' . $fieldlist . ') VALUES ');
}
// append current values
$query[0] .= '(' . $valuelist . '), ';
$message = $strInsertedRows . '&nbsp;';
} elseif (!empty($valuelist)) {
// build update query
$query[] = 'UPDATE ' . PMA_backquote($table) . ' SET ' . $valuelist . ' WHERE' . $primary_key . ' LIMIT 1';
$message = $strAffectedRows . '&nbsp;';
}
} // end for
} // end foreach ($loop_array as $primary_key)
unset($me_fields_prev, $me_funcs, $me_fields_type, $me_fields_null, $me_fields_null_prev,
$me_auto_increment, $cur_value, $key, $val, $loop_array, $primary_key, $using_key,
$func_no_param);
// trim last , from insert query
if ($is_insert) {
$query[0] = preg_replace('@, $@', '', $query[0]);
}
if (empty($valuelist) && empty($query)) {
// Builds the sql query
if ($is_insert && count($value_sets) > 0) {
// first inserted row -> prepare template
foreach ($me_fields as $key => $val) {
$query_fields[] = PMA_backquote($key);
}
$query[] = 'INSERT INTO ' . PMA_backquote($GLOBALS['db']) . '.' . PMA_backquote($GLOBALS['table'])
. ' (' . implode(', ', $query_fields) . ') VALUES (' . implode('), (', $value_sets) . ')';
unset($query_fields, $value_sets);
$message = $GLOBALS['strInsertedRows'] . '&nbsp;';
} elseif (! empty($query)) {
$message = $GLOBALS['strAffectedRows'] . '&nbsp;';
} else {
// No change -> move back to the calling script
$message = $strNoModification;
if ($is_gotofile) {
$js_to_run = 'functions.js';
require_once('./libraries/header.inc.php');
require('./' . PMA_securePath($goto));
} else {
PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $goto . '&disp_message=' . urlencode($message) . '&disp_query=');
}
exit();
$message = $GLOBALS['strNoModification'];
$js_to_run = 'functions.js';
$active_page = $goto_include;
require_once './libraries/header.inc.php';
require './' . PMA_securePath($goto_include);
exit;
}
unset($me_fields, $is_insert);
/**
* Executes the sql query and get the result, then move back to the calling
* page
*/
$sql_query = implode(';', $query) . ';';
if (! empty($GLOBALS['sql_query'])) {
$url_params['sql_query'] = $GLOBALS['sql_query'];
$return_to_sql_query = $GLOBALS['sql_query'];
}
$GLOBALS['sql_query'] = implode('; ', $query) . ';';
$total_affected_rows = 0;
$last_message = '';
$warning_message = '';
foreach ($query AS $query_index => $single_query) {
if ($cfg['IgnoreMultiSubmitErrors']) {
foreach ($query as $single_query) {
if ($GLOBALS['cfg']['IgnoreMultiSubmitErrors']) {
$result = PMA_DBI_try_query($single_query);
} else {
$result = PMA_DBI_query($single_query);
@@ -251,7 +311,7 @@ foreach ($query AS $query_index => $single_query) {
if (isset($GLOBALS['warning'])) {
$warning_message .= $GLOBALS['warning'] . '[br]';
}
if (!$result) {
if (! $result) {
$message .= PMA_DBI_getError();
} else {
if (@PMA_DBI_affected_rows()) {
@@ -260,44 +320,41 @@ foreach ($query AS $query_index => $single_query) {
$insert_id = PMA_DBI_insert_id();
if ($insert_id != 0) {
$last_message .= '[br]'.$strInsertedRowId . '&nbsp;' . $insert_id;
// insert_id is id of FIRST record inserted in one insert, so if we
// inserted multiple rows, we had to increment this
if ($total_affected_rows > 0) {
$insert_id = $insert_id + $total_affected_rows - 1;
}
$last_message .= '[br]' . $GLOBALS['strInsertedRowId'] . '&nbsp;' . $insert_id;
}
PMA_DBI_free_result($result);
} // end if
PMA_DBI_free_result($result);
unset($result);
}
unset($single_query, $query);
if ($total_affected_rows != 0) {
$message .= $total_affected_rows;
} else {
$message .= $strModifications;
}
$message .= $total_affected_rows . $last_message;
$message .= $last_message;
if (!empty($warning_message)) {
if (! empty($warning_message)) {
/**
* @todo use a <div class="warning"> in PMA_showMessage() for this part of the message
* @todo use a <div class="warning"> in PMA_showMessage() for this part of
* the message
*/
$message .= '[br]' . $warning_message;
}
unset($warning_message, $total_affected_rows, $last_message);
if ($is_gotofile) {
if ($goto == 'db_sql.php' && isset($table)) {
unset($table);
}
$js_to_run = 'functions.js';
$active_page = $goto;
require_once('./libraries/header.inc.php');
require('./' . PMA_securePath($goto));
} else {
// if we have seen binary,
// we do not append the query to the Location so it won't be displayed
// on the resulting page
// Nijel: we also need to limit size of url...
$add_query = (!$seen_binary && strlen($sql_query) < 1024 ? '&disp_query=' . urlencode($sql_query) : '');
PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $goto . '&disp_message=' . urlencode($message) . $add_query);
if (isset($return_to_sql_query)) {
$disp_query = $GLOBALS['sql_query'];
$disp_message = $message;
unset($message);
$GLOBALS['sql_query'] = $return_to_sql_query;
}
exit();
$js_to_run = 'functions.js';
$active_page = $goto_include;
require_once './libraries/header.inc.php';
require './' . PMA_securePath($goto_include);
exit;
?>