need help to uncode all $salt unction qa_db_calc_passcheck

[iotta]

Hello can you help me how to make clean password in db? i must delate $salt  and sha1 how to make it please help :<

Code:

*/

if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
header('Location: ../');
exit;
}


function qa_db_calc_passcheck($password, $salt)
/*
Return the expected value for the passcheck column given the $password and password $salt
*/
{
if (qa_to_override(__FUNCTION__)) { $args=func_get_args(); return qa_call_override(__FUNCTION__, $args); }

return sha1(substr($salt, 0, 8).$password.substr($salt, 8));
}


function qa_db_user_create($email, $password, $handle, $level, $ip)
/*
Create a new user in the database with $email, $password, $handle, privilege $level, and $ip address
*/
{
require_once QA_INCLUDE_DIR.'king-util/string.php';

$salt=isset($password) ? qa_random_alphanum(16) : null;

qa_db_query_sub(
'INSERT INTO ^users (created, createip, email, passsalt, passcheck, level, handle, loggedin, loginip) '.
'VALUES (NOW(), COALESCE(INET_ATON($), 0), $, $, UNHEX($), #, $, NOW(), COALESCE(INET_ATON($), 0))',
$ip, $email, $salt, isset($password) ? qa_db_calc_passcheck($password, $salt) : null, (int)$level, $handle, $ip
);

return qa_db_last_insert_id();
}


function qa_db_user_delete($userid)
/*
Delete user $userid from the database, along with everything they have ever done (to the extent that it's possible)
*/
{
qa_db_query_sub('UPDATE ^posts SET lastuserid=NULL WHERE lastuserid=$', $userid);
qa_db_query_sub('DELETE FROM ^userpoints WHERE userid=$', $userid);
qa_db_query_sub('DELETE FROM ^blobs WHERE blobid=(SELECT avatarblobid FROM ^users WHERE userid=$)', $userid);
qa_db_query_sub('DELETE FROM ^users WHERE userid=$', $userid);

// All the queries below should be superfluous due to foreign key constraints, but just in case the user switched to MyISAM.
// Note also that private messages to/from that user are kept since we don't have all the keys we need to delete efficiently.

qa_db_query_sub('UPDATE ^posts SET userid=NULL WHERE userid=$', $userid);
qa_db_query_sub('DELETE FROM ^userlogins WHERE userid=$', $userid);
qa_db_query_sub('DELETE FROM ^userprofile WHERE userid=$', $userid);
qa_db_query_sub('DELETE FROM ^userfavorites WHERE userid=$', $userid);
qa_db_query_sub('DELETE FROM ^userevents WHERE userid=$', $userid);
qa_db_query_sub('DELETE FROM ^uservotes WHERE userid=$', $userid);
qa_db_query_sub('DELETE FROM ^userlimits WHERE userid=$', $userid);
}


function qa_db_user_find_by_email($email)
/*
Return the ids of all users in the database which match $email (should be one or none)
*/
{
return qa_db_read_all_values(qa_db_query_sub(
'SELECT userid FROM ^users WHERE email=$',
$email
));
}


function qa_db_user_find_by_handle($handle)
/*
Return the ids of all users in the database which match $handle (=username), should be one or none
*/
{
return qa_db_read_all_values(qa_db_query_sub(
'SELECT userid FROM ^users WHERE handle=$',
$handle
));
}


function qa_db_user_get_userid_handles($userids)
/*
Return an array mapping mapping each userid in $userids that can be found to that user's handle
*/
{
if (count($userids))
return qa_db_read_all_assoc(qa_db_query_sub(
'SELECT userid, handle FROM ^users WHERE userid IN (#)',
$userids
), 'userid', 'handle');
else
return array();
}


function qa_db_user_get_handle_userids($handles)
/*
Return an array mapping mapping each handle in $handle that can be found to that user's userid
*/
{
if (count($handles))
return qa_db_read_all_assoc(qa_db_query_sub(
'SELECT handle, userid FROM ^users WHERE handle IN ($)',
$handles
), 'handle', 'userid');
else
return array();
}


function qa_db_user_set($userid, $field, $value)
/*
Set $field of $userid to $value in the database users table
*/
{
qa_db_query_sub(
'UPDATE ^users SET '.qa_db_escape_string($field).'=$ WHERE userid=$',
$value, $userid
);
}


function qa_db_user_set_password($userid, $password)
/*
Set the password of $userid to $password, and reset their salt at the same time
*/
{
if (qa_to_override(__FUNCTION__)) { $args=func_get_args(); return qa_call_override(__FUNCTION__, $args); }

require_once QA_INCLUDE_DIR.'king-util/string.php';

$salt=qa_random_alphanum(16);

qa_db_query_sub(
'UPDATE ^users SET passsalt=$, passcheck=UNHEX($) WHERE userid=$',
$salt, qa_db_calc_passcheck($password, $salt), $userid
);
}


function qa_db_user_set_flag($userid, $flag, $set)
/*
Switch on the $flag bit of the flags column for $userid if $set is true, or switch off otherwise
*/
{
qa_db_query_sub(
'UPDATE ^users SET flags=flags'.($set ? '|' : '&~').'# WHERE userid=$',
$flag, $userid
);
}


function qa_db_user_rand_emailcode()
/*
Return a random string to be used for a user's emailcode column
*/
{
if (qa_to_override(__FUNCTION__)) { $args=func_get_args(); return qa_call_override(__FUNCTION__, $args); }

require_once QA_INCLUDE_DIR.'king-util/string.php';

return qa_random_alphanum(8);
}


function qa_db_user_rand_sessioncode()
/*
Return a random string to be used for a user's sessioncode column (for browser session cookies)
*/
{
if (qa_to_override(__FUNCTION__)) { $args=func_get_args(); return qa_call_override(__FUNCTION__, $args); }

require_once QA_INCLUDE_DIR.'king-util/string.php';

return qa_random_alphanum(8);
}


function qa_db_user_profile_set($userid, $field, $value)
/*
Set a row in the database user profile table to store $value for $field for $userid
*/
{
qa_db_query_sub(
'REPLACE ^userprofile (title, content, userid) VALUES ($, $, $)',
$field, $value, $userid
);
}


function qa_db_user_logged_in($userid, $ip)
/*
Note in the database that $userid just logged in from $ip address
*/
{
qa_db_query_sub(
'UPDATE ^users SET loggedin=NOW(), loginip=COALESCE(INET_ATON($), 0) WHERE userid=$',
$ip, $userid
);
}


function qa_db_user_written($userid, $ip)
/*
Note in the database that $userid just performed a write operation from $ip address
*/
{
qa_db_query_sub(
'UPDATE ^users SET written=NOW(), writeip=COALESCE(INET_ATON($), 0) WHERE userid=$',
$ip, $userid
);
}


function qa_db_user_login_add($userid, $source, $identifier)
/*
Add an external login in the database for $source and $identifier for user $userid
*/
{
qa_db_query_sub(
'INSERT INTO ^userlogins (userid, source, identifier, identifiermd5) '.
'VALUES ($, $, $, UNHEX($))',
$userid, $source, $identifier, md5($identifier)
);
}


function qa_db_user_login_find($source, $identifier)
/*
Return some information about the user with external login $source and $identifier in the database, if a match is found
*/
{
return qa_db_read_all_assoc(qa_db_query_sub(
'SELECT ^userlogins.userid, handle, email FROM ^userlogins LEFT JOIN ^users ON ^userlogins.userid=^users.userid '.
'WHERE source=$ AND identifiermd5=UNHEX($) AND identifier=$',
$source, md5($identifier), $identifier
));
}


function qa_db_user_login_sync($sync)
/*
Lock all tables if $sync is true, otherwise unlock them. Used to synchronize creation of external login mappings.
*/
{
if ($sync) { // need to lock all tables since any could be used by a plugin's event module
$tables=qa_db_list_tables();

$locks=array();
foreach ($tables as $table)
$locks[]=$table.' WRITE';

qa_db_query_sub('LOCK TABLES '.implode(', ', $locks));

} else
qa_db_query_sub('UNLOCK TABLES');
}


function qa_db_user_levels_set($userid, $userlevels)
/*
Reset the full set of context-specific (currently, per category) user levels for user $userid to $userlevels, where
$userlevels is an array of arrays, the inner arrays containing items 'entitytype', 'entityid' and 'level'.
*/
{
qa_db_query_sub(
'DELETE FROM ^userlevels WHERE userid=$',
$userid
);

foreach ($userlevels as $userlevel)
qa_db_query_sub(
'REPLACE ^userlevels (userid, entitytype, entityid, level) VALUES ($, $, #, #)',
$userid, $userlevel['entitytype'], $userlevel['entityid'], $userlevel['level']
);
}


function qa_db_users_get_mailing_next($lastuserid, $count)
/*
Get the information required for sending a mailing to the next $count users with userids greater than $lastuserid
*/
{
return qa_db_read_all_assoc(qa_db_query_sub(
'SELECT userid, email, handle, emailcode, flags FROM ^users WHERE userid># ORDER BY userid LIMIT #',
$lastuserid, $count
));
}


function qa_db_uapprovecount_update()
/*
Update the cached count of the number of users who are awaiting approval after registration
*/
{
if ( qa_should_update_counts() && !QA_FINAL_EXTERNAL_USERS )
qa_db_query_sub(
"REPLACE ^options (title, content) SELECT 'cache_uapprovecount', COUNT(*) FROM ^users WHERE level<# AND NOT (flags&#)",
QA_USER_LEVEL_APPROVED, QA_USER_FLAGS_USER_BLOCKED
);
}


/*
Omit PHP closing tag to help avoid accidental output
*/