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<?php
function fulcrm_crypto_permission() {
return array( 'administer fulcrm crypto' => array( 'title' => t('Administer fulcrm cryptography'),
'description' => t('Perform main installation/administration tasks for fulcrm cryptography.'),
),
);
}
function fulcrm_crypto_menu() {
/*
$items[ 'admin/config/services/fulcrm' ] = array( 'page callback' => 'system_admin_menu_block_page',
'file' => 'system.admin.inc',
'file path' => drupal_get_path('module', 'system'),
'title' => 'fulcrm',
'description' => 'Configuration integration with fulcrm.org.',
'position' => 'right',
'access callback' => 'user_access',
'access arguments' => array('access administration pages'),
);
*/
$items[ 'admin/config/services/fulcrm/crypto' ] = array( 'page callback' => 'fulcrm_crypto_admin',
'file' => 'fulcrm_crypto.admin.inc',
'title' => 'fulcrm cryptography',
'description' => 'Settings for fulcrm.org cryptography.',
'access callback' => 'user_access',
'access arguments' => array('administer fulcrm crypto'),
);
return $items;
}
function fulcrm_crypto_object_id_hmac( $object_type, $object_id ) {
return drupal_hmac_base64( 'fulcrm:' . strval( $object_id ) . ':' . $object_type, session_id() . drupal_get_hash_salt() );
}
function fulcrm_crypto_object_id_form_value( $object_type, $object_id ) {
return $object_id . ':' . fulcrm_crypto_object_id_hmac( $object_type, $object_id );
}
function fulcrm_crypto_get_object_id_form_value( $object_type, $form_value ) {
$bits = explode( ':', $form_value );
if ( count( $bits ) == 2 ) {
$object_id = $bits[ 0 ];
$hmac = $bits[ 1 ];
$real_hmac = fulcrm_crypto_object_id_hmac( $object_type, $object_id );
if ( hash_equals( $real_hmac, $hmac ) )
return $object_id;
}
return NULL;
}