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Wizard: Fix db privilege checks, again

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The wizard were not able to verify privileges if some or even all
privileges were granted on database level causing it to grant
redundant privileges on table level.
This commit is contained in:
Johannes Meyer 2015-07-03 10:10:32 +02:00
parent b2c22ebcf9
commit 56c4fdf8a1
1 changed files with 47 additions and 12 deletions
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59
modules/setup/library/Setup/Utils/DbTool.php
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@ -667,24 +667,46 @@ EOD;
}
$dbPrivilegesGranted = true;
$tablePrivilegesGranted = true;
if (! empty($dbPrivileges)) {
$query = $this->query(
'SELECT COUNT(*) as matches'
$queryString = 'SELECT COUNT(*) as matches'
. ' FROM information_schema.schema_privileges'
. ' WHERE grantee = :grantee'
. ' AND table_schema = :dbname'
. ' AND privilege_type IN (' . join(',', array_map(array($this, 'quote'), $dbPrivileges)) . ')'
. ($requireGrants ? " AND is_grantable = 'YES'" : ''),
. ' AND privilege_type IN (%s)'
. ($requireGrants ? " AND is_grantable = 'YES'" : '');
$dbAndTableQuery = $this->query(
sprintf($queryString, join(',', array_map(array($this, 'quote'), $dbPrivileges))),
array(':grantee' => $grantee, ':dbname' => $this->escapeTableWildcards($this->config['dbname']))
);
$dbPrivilegesGranted = (int) $query->fetchObject()->matches === count($dbPrivileges);
$grantedDbAndTablePrivileges = (int) $dbAndTableQuery->fetchObject()->matches;
if ($grantedDbAndTablePrivileges === count($dbPrivileges)) {
$tableExclusivePrivileges = array_diff($tablePrivileges, $dbPrivileges);
if (! empty($tableExclusivePrivileges)) {
$tablePrivileges = $tableExclusivePrivileges;
$tablePrivilegesGranted = false;
}
} else {
$tablePrivilegesGranted = false;
$dbExclusivePrivileges = array_diff($dbPrivileges, $tablePrivileges);
if (! empty($dbExclusivePrivileges)) {
$dbExclusiveQuery = $this->query(
sprintf($queryString, join(',', array_map(array($this, 'quote'), $dbExclusivePrivileges))),
array(
':grantee' => $grantee,
':dbname' => $this->escapeTableWildcards($this->config['dbname'])
)
);
$dbPrivilegesGranted = (int) $dbExclusiveQuery->fetchObject()->matches === count(
$dbExclusivePrivileges
);
}
}
}
$tablePrivilegesGranted = true;
if (
!empty($tablePrivileges)
&& (! $dbPrivilegesGranted || array_intersect($dbPrivileges, $tablePrivileges) != $tablePrivileges)
) {
if (! $tablePrivilegesGranted && !empty($tablePrivileges)) {
$query = $this->query(
'SELECT COUNT(*) as matches'
. ' FROM information_schema.table_privileges'
@ -747,6 +769,7 @@ EOD;
}
if (! empty($dbPrivileges)) {
$dbExclusivesGranted = true;
foreach ($dbPrivileges as $dbPrivilege) {
$query = $this->query(
'SELECT has_database_privilege(:user, :dbname, :privilege) AS db_privilege_granted',
@ -756,11 +779,23 @@ EOD;
':privilege' => $dbPrivilege . ($requireGrants ? ' WITH GRANT OPTION' : '')
)
);
$privilegesGranted &= $query->fetchObject()->db_privilege_granted;
if (! $query->fetchObject()->db_privilege_granted) {
$privilegesGranted = false;
if (! in_array($dbPrivilege, $tablePrivileges)) {
$dbExclusivesGranted = false;
}
}
}
if ($privilegesGranted) {
// Do not check privileges twice if they are already granted at database level
$tablePrivileges = array_diff($tablePrivileges, $dbPrivileges);
} elseif ($dbExclusivesGranted) {
$privilegesGranted = true;
}
}
if (! empty($tablePrivileges)) {
if ($privilegesGranted && !empty($tablePrivileges)) {
foreach (array_intersect($context, $this->listTables()) as $table) {
foreach ($tablePrivileges as $tablePrivilege) {
$query = $this->query(