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revisited sql escaping

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in general, its not nessecary to manually apply escapes
- if passed as param to DB::DBType()->queryFunc() its escaped by DBsimple
- if passed as condition its escaped by BaseType
- if you do your own query use DB::DBType()->escape() on strings and intVal() respectively

- fixed use of HAVING in CreatureListFilter
- allow for exclude-only searches in Filter
- BaseType no longer adds %-wildcards to strings. Do this manually if ever nessecary.
This commit is contained in:
Sarjuuk
2014-03-28 20:10:38 +01:00
parent 41180e514c
commit fe42156825
8 changed files with 53 additions and 95 deletions
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61
includes/types/basetype.class.php
View File

@@ -21,7 +21,7 @@ abstract class BaseType
* expression: str - must match fieldname;
* int - 1: select everything; 0: select nothing
* array - another condition array
* value: str - operator defaults to: LIKE %<val>%
* value: str - operator defaults to: LIKE <val>
* int - operator defaults to: = <val>
* array - operator defaults to: IN (<val>)
* null - operator defaults to: IS [NULL]
@@ -35,7 +35,7 @@ abstract class BaseType
* example:
* array(
* ['id', 45],
* ['name', 'test', '!'],
* ['name', 'test%', '!'],
* [
* 'AND',
* ['flags', 0xFF, '&'],
@@ -47,9 +47,9 @@ abstract class BaseType
* 5
* )
* results in
* WHERE ((`id` = 45) OR (`name` NOT LIKE "%test%") OR ((`flags` & 255) AND (`flags2` & 15)) OR ((`mask` & 3) = 0)) OR (`joinedTbl`.`field` IS NULL) LIMIT 5
* WHERE ((`id` = 45) OR (`name` NOT LIKE "test%") OR ((`flags` & 255) AND (`flags2` & 15)) OR ((`mask` & 3) = 0)) OR (`joinedTbl`.`field` IS NULL) LIMIT 5
*/
public function __construct($conditions = [])
public function __construct($conditions = [], $miscData = null)
{
$where = [];
$linking = ' AND ';
@@ -65,6 +65,9 @@ abstract class BaseType
else
$prefixes['base'] = '';
if ($miscData && !empty($miscData['extraOpts']))
$this->extendQueryOpts($miscData['extraOpts']);
$resolveCondition = function ($c, $supLink) use (&$resolveCondition, &$prefixes)
{
$subLink = '';
@@ -107,17 +110,22 @@ abstract class BaseType
if (is_array($f))
$f = $f[0];
if (is_numeric($f))
// numeric allows for formulas e.g. (1 < 3)
if (Util::checkNumeric($f))
return $f;
$f = explode('.', Util::sqlEscape($f));
// skip condition if fieldName contains illegal chars
if (preg_match('/[^\d\w\.\_]/i', $f))
return null;
$f = explode('.', $f);
switch (count($f))
{
case 2:
if (!in_array($f[0], $prefixes))
{
// choose table to join or return null if prefix not existant
// choose table to join or return null if prefix does not exist
if (!in_array($f[0], array_keys($this->queryOpts)))
return null;
@@ -146,12 +154,12 @@ abstract class BaseType
if (is_array($c[1]))
{
$val = implode(',', Util::sqlEscape($c[1], true));
if ($val === '')
return null;
array_walk($c[1], function(&$item, $key) {
$item = Util::checkNumeric($item) ? $item : DB::Aowow()->escape($item);
});
$op = (isset($c[2]) && $c[2] == '!') ? 'NOT IN' : 'IN';
$val = '('.$val.')';
$val = '('.implode(', ', $c[1]).')';
}
else if (Util::checkNumeric($c[1]))
{
@@ -160,18 +168,8 @@ abstract class BaseType
}
else if (is_string($c[1]))
{
$val = Util::sqlEscape($c[1], true);
/*
long term observation
do both methods diff ?
*/
$debug = DB::Aowow()->escape($c[1]);
if ($debug != "'".$val."'")
Util::$pageTemplate->internalNotice(U_GROUP_ADMIN, 'BaseType::__construct() - escape mechanism have different results: \''.$val.'\' => '.$debug);
$op = (isset($c[2]) && $c[2] == '!') ? 'NOT LIKE' : 'LIKE';
$val = $val === '' ? '""' : '"%'.$val.'%"';
$val = DB::Aowow()->escape($c[1]);
}
else if (count($c) > 1 && $c[1] === null) // specifficly check for NULL
{
@@ -761,7 +759,6 @@ abstract class Filter
$string = $this->fiData['v']['na'];
$qry = [];
$valid = false;
foreach ($fields as $n => $f)
{
$sub = [];
@@ -770,12 +767,9 @@ abstract class Filter
foreach ($parts as $p)
{
if ($p[0] == '-' && strlen($p) > 3)
$sub[] = [$f, substr($p, 1), '!'];
$sub[] = [$f, '%'.substr($p, 1).'%', '!'];
else if ($p[0] != '-' && strlen($p) > 2)
{
$valid = true;
$sub[] = [$f, $p];
}
$sub[] = [$f, '%'.$p.'%'];
}
// single cnd?
@@ -789,14 +783,10 @@ abstract class Filter
$qry[] = $sub;
}
if (!$valid) // no +term with length >= 3 set
{
$this->error = 1;
return [];
}
// single cnd?
if (count($qry) > 1)
if (!$qry)
$this->error = 1;
else if (count($qry) > 1)
array_unshift($qry, 'OR');
else
$qry = $qry[0];
@@ -949,7 +939,6 @@ abstract class Filter
return $result;
}
// apply Util::sqlEscape() and intVal() in the implementation of these
abstract protected function createSQLForCriterium(&$cr);
abstract protected function createSQLForValues();
}

25
includes/types/creature.class.php
View File

@@ -228,6 +228,7 @@ class CreatureList extends BaseType
class CreatureListFilter extends Filter
{
public $extraOpts = null;
protected $enums = array(
3 => array( 469, 1037, 1106, 529, 1012, 87, 21, 910, 609, 942, 909, 530, 69, 577, 930, 1068, 1104, 729, 369, 92, 54, 946, 67, 1052, 749,
47, 989, 1090, 1098, 978, 1011, 93, 1015, 1038, 76, 470, 349, 1031, 1077, 809, 911, 890, 970, 169, 730, 72, 70, 932, 1156, 933,
@@ -279,20 +280,20 @@ class CreatureListFilter extends Filter
switch ($cr[1])
{
case '=': // min > max is totally possible
$this->parent->queryOpts['clsMin']['h'] = 'IF(healthMin > healthMax, healthMax, healthMin) <= '.$cr[2];
$this->parent->queryOpts['clsMax']['h'] = 'IF(healthMin > healthMax, healthMin, healthMax) >= '.$cr[2];
$this->extraOpts['clsMin']['h'] = 'IF(healthMin > healthMax, healthMax, healthMin) <= '.$cr[2];
$this->extraOpts['clsMax']['h'] = 'IF(healthMin > healthMax, healthMin, healthMax) >= '.$cr[2];
break;
case '>':
$this->parent->queryOpts['clsMin']['h'] = 'IF(healthMin > healthMax, healthMax, healthMin) > '.$cr[2];
$this->extraOpts['clsMin']['h'] = 'IF(healthMin > healthMax, healthMax, healthMin) > '.$cr[2];
break;
case '>=':
$this->parent->queryOpts['clsMin']['h'] = 'IF(healthMin > healthMax, healthMax, healthMin) >= '.$cr[2];
$this->extraOpts['clsMin']['h'] = 'IF(healthMin > healthMax, healthMax, healthMin) >= '.$cr[2];
break;
case '<':
$this->parent->queryOpts['clsMax']['h'] = 'IF(healthMin > healthMax, healthMin, healthMax) < '.$cr[2];
$this->extraOpts['clsMax']['h'] = 'IF(healthMin > healthMax, healthMin, healthMax) < '.$cr[2];
break;
case '<=':
$this->parent->queryOpts['clsMax']['h'] = 'IF(healthMin > healthMax, healthMin, healthMax) <= '.$cr[2];
$this->extraOpts['clsMax']['h'] = 'IF(healthMin > healthMax, healthMin, healthMax) <= '.$cr[2];
break;
}
return [1]; // always true, use post-filter
@@ -304,20 +305,20 @@ class CreatureListFilter extends Filter
switch ($cr[1])
{
case '=':
$this->parent->queryOpts['clsMin']['h'] = 'IF(manaMin > manaMax, manaMax, manaMin) <= '.$cr[2];
$this->parent->queryOpts['clsMax']['h'] = 'IF(manaMin > manaMax, manaMin, manaMax) => '.$cr[2];
$this->extraOpts['clsMin']['h'] = 'IF(manaMin > manaMax, manaMax, manaMin) <= '.$cr[2];
$this->extraOpts['clsMax']['h'] = 'IF(manaMin > manaMax, manaMin, manaMax) => '.$cr[2];
break;
case '>':
$this->parent->queryOpts['clsMax']['h'] = 'IF(manaMin > manaMax, manaMin, manaMax) > '.$cr[2];
$this->extraOpts['clsMax']['h'] = 'IF(manaMin > manaMax, manaMin, manaMax) > '.$cr[2];
break;
case '>=':
$this->parent->queryOpts['clsMax']['h'] = 'IF(manaMin > manaMax, manaMin, manaMax) >= '.$cr[2];
$this->extraOpts['clsMax']['h'] = 'IF(manaMin > manaMax, manaMin, manaMax) >= '.$cr[2];
break;
case '<':
$this->parent->queryOpts['clsMin']['h'] = 'IF(manaMin > manaMax, manaMax, manaMin) < '.$cr[2];
$this->extraOpts['clsMin']['h'] = 'IF(manaMin > manaMax, manaMax, manaMin) < '.$cr[2];
break;
case '<=':
$this->parent->queryOpts['clsMin']['h'] = 'IF(manaMin > manaMax, manaMax, manaMin) <= '.$cr[2];
$this->extraOpts['clsMin']['h'] = 'IF(manaMin > manaMax, manaMax, manaMin) <= '.$cr[2];
break;
}
return [1]; // always true, use post-filter

8
includes/types/item.class.php
View File

@@ -30,11 +30,7 @@ class ItemList extends BaseType
public function __construct($conditions = [], $miscData = null)
{
// search by statweight
if ($miscData && !empty($miscData['extraOpts']))
$this->extendQueryOpts($miscData['extraOpts']);
parent::__construct($conditions);
parent::__construct($conditions, $miscData);
foreach ($this->iterate() as &$_curTpl)
{
@@ -1831,7 +1827,7 @@ class ItemListFilter extends Filter
reagentCount1, reagentCount2, reagentCount3, reagentCount4, reagentCount5, reagentCount6, reagentCount7, reagentCount8
FROM ?_spell
WHERE skillLine1 IN (?a)',
is_bool($_) ? array_filter($this->enums[$cr[0]], "is_numeric") : $_
is_bool($_) ? array_filter($this->enums[99], "is_numeric") : $_
);
foreach ($spells as $spell)
for ($i = 1; $i < 9; $i++)

18
includes/utilities.php
View File

@@ -1253,21 +1253,6 @@ class Util
return 'b'.strToUpper($_);
}
public static function sqlEscape($data, $relaxed = false)
{
// relaxed: expecting strings for fulltext search
$pattern = $relaxed ? ['/[;`´"\/\\\]/ui', '--'] : ['/[^\p{L}0-9\s_\-\.]/ui', '--'];
if (!is_array($data))
return preg_replace($pattern, '', trim($data));
array_walk($data, function(&$item, $key) use (&$relaxed) {
$item = self::sqlEscape($item, $relaxed);
});
return $data;
}
public static function jsEscape($string)
{
return strtr(trim($string), array(
@@ -2079,7 +2064,6 @@ class Util
}
/*
todo: search for achievements here
$tabsFinal[17]
*/
@@ -2132,7 +2116,7 @@ class Util
else if ($tabId < 0 && $curTpl['typeFlags'] & NPC_TYPEFLAG_MININGLOOT)
$tabId = 7;
else if ($tabId < 0)
$tabId = abs($tabId); // general case (skinning)
$tabId = abs($tabId); // general case (skinning)
$tabsFinal[$tabId][1][] = array_merge($srcData[$srcObj->id], $result[$srcObj->getField($field)]);
$tabsFinal[$tabId][4][] = 'Listview.extraCols.percent';

9
pages/account.php
View File

@@ -59,10 +59,7 @@ function signin()
$_SERVER['REMOTE_ADDR']
);
$id = DB::Aowow()->SelectCell('SELECT id FROM ?_account WHERE user = ?',
Util::sqlEscape($username)
);
$id = DB::Aowow()->SelectCell('SELECT id FROM ?_account WHERE user = ?', $username);
if (!$id)
return Lang::$account['userNotFound'];
@@ -273,8 +270,6 @@ if (User::$id)
$next = !empty($next[1]) ? '?'.$next[1] : '.';
header('Location: '.$next);
case 'weightscales':
$post = Util::sqlEscape($_POST, true);
if (isset($post['save']))
{
if (!isset($post['id']))
@@ -292,7 +287,7 @@ if (User::$id)
die('0');
}
else if (isset($post['delete']) && isset($post['id']))
DB::Aowow()->query('DELETE FROM ?_account_weightscales WHERE id = ?d AND account = ?d', $post['id'], User::$id);
DB::Aowow()->query('DELETE FROM ?_account_weightscales WHERE id = ?d AND account = ?d', intVal($post['id']), User::$id);
else
die('0');

10
pages/item.php
View File

@@ -80,15 +80,7 @@ if (isset($_GET['xml']))
if (!$smarty->loadCache($cacheKeyXML, $root))
{
$root = new SimpleXML('<aowow />');
if (!$_id)
{
$str = DB::Aowow()->escape(urlDecode($pageParam));
$str = substr($str, 1, -1); // escape adds '
$cnd = array(['name_loc'.User::$localeId, $str]);
}
else
$cnd = array(['i.id', $_id]);
$cnd = array($_id ? ['i.id', $_id] : ['name_loc'.User::$localeId, $pageParam]);
$item = new ItemList($cnd);
if ($item->error)

3
pages/npcs.php
View File

@@ -29,7 +29,8 @@ if (!$smarty->loadCache($cacheKey, $pageData, $filter))
if ($_ = $npcFilter->getConditions())
$conditions[] = $_;
$npcs = new CreatureList($conditions); // beast subtypes are selected via filter
// beast subtypes are selected via filter
$npcs = new CreatureList($conditions, ['extraOpts' => $npcFilter->extraOpts]);
// recreate form selection
$filter = array_merge($npcFilter->getForm('form'), $filter);

14
search.php
View File

@@ -38,7 +38,7 @@ $_wtv = isset($_GET['wtv']) ? explode(':', $_GET['wtv']) : null;
$_slots = [];
$search = urlDecode(trim($pageParam));
$query = Util::sqlEscape(str_replace('?', '_', str_replace('*', '%', ($search))), true);
$query = strtr($search, '?*', '_%');
$invalid = [];
$include = [];
$exclude = [];
@@ -73,10 +73,10 @@ $createLookup = function(array $fields = []) use($include, $exclude)
{
$sub = [];
foreach ($include as $i)
$sub[] = [$f, $i];
$sub[] = [$f, '%'.$i.'%'];
foreach ($exclude as $x)
$sub[] = [$f, $x, '!'];
$sub[] = [$f, '%'.$x.'%', '!'];
// single cnd?
if (count($sub) > 1)
@@ -152,12 +152,12 @@ if ((!$include || !($searchMask & SEARCH_MASK_ALL)) && !($searchMask & SEARCH_TY
else if ($searchMask & SEARCH_TYPE_OPEN)
{
header("Content-type: text/javascript");
exit('["'.Util::jsEscape($query).'", []]');
exit('["'.Util::jsEscape($search).'", []]');
}
else if (!$_wt || !$_wtv) // implicitly: SEARCH_TYPE_JSON
{
header("Content-type: text/javascript");
exit ("[\"".Util::jsEscape($query)."\", [\n],[\n]]\n");
exit ("[\"".Util::jsEscape($search)."\", [\n],[\n]]\n");
}
}
@@ -1088,7 +1088,7 @@ if ($searchMask & SEARCH_TYPE_JSON)
}
header("Content-type: text/javascript");
die ('["'.Util::jsEscape($query)."\", [\n".$outItems."],[\n".$outSets.']]');
die ('["'.Util::jsEscape($search)."\", [\n".$outItems."],[\n".$outSets.']]');
}
else if ($searchMask & SEARCH_TYPE_OPEN)
{
@@ -1102,7 +1102,7 @@ else if ($searchMask & SEARCH_TYPE_OPEN)
$foundTotal += $tmp['matches'];
if (!$foundTotal)
exit('["'.Util::jsEscape($query).'", []]');
exit('["'.Util::jsEscape($search).'", []]');
foreach ($found as $id => $set)
{