Drupal modules for browsing and managing Fedora-based digital repositories.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

110 lines
3.0 KiB

<?php
// $Id$
function fedora_fesl_check_roles($checkPid,$checkPerm='write') {
global $user;
$ret = FALSE;
if ($user != null) {
$cache_key = 'fedora_fesl_check_roles'.md5($user->name.$checkPid.$checkPerm);
if (($output = cache_get($cache_key))===0)
{
$roles = $user->roles;
if (in_array('administrator',$roles)) {
$ret = true;
} else
{
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$found = array();
foreach ($roles as $role) {
if (preg_match('/^(([A-Za-z0-9]|-|\.)+:(([A-Za-z0-9])|-|\.|~|_|(%[0-9A-F]{2}))+)\s+(write|read)/',$role,$matches)) {
$pid = $matches[1];
$perm = $matches[6];
if ($perm == $checkPerm) {
$found[]=$pid;
}
}
}
if (count($found) > 0) {
if (in_array($checkPid,$found)) {
$ret = TRUE;
}
$item=new Fedora_Item($checkPid);
$rels=$item->get_relationships();
if (count($rels) > 0) {
foreach ($rels as $rel) {
$ret = $ret || fedora_fesl_check_roles($rel['object'],$checkPerm);
}
}
}
}
cache_set($cache_key,$ret,'cache',time()+variable_get('fedora_image_blocks_cache_time',3600));
} else {
if (is_object($output))
{
$ret=$output->data;
}
}
}
return $ret;
}
function fedora_fesl_block($op = 'list', $delta = 0, $edit = array()) {
// The $op parameter determines what piece of information is being requested.
switch ($op) {
case 'list':
// If $op is "list", we just need to return a list of block descriptions.
// This is used to provide a list of possible blocks to the administrator,
// end users will not see these descriptions.
$blocks[0] = array(
'info' => t('FeSL Collections Listing Block'),
);
return $blocks;
case 'configure':
$form = array();
switch ($delta) {
case 0:
/* $form['fedora_image_rotator_block_numimages'] = array(
'#type'=>'textfield',
'#title' => t('The number of images to display in the block.'),
'#default_value' => variable_get('fedora_image_rotator_block_numimages',1));*/
break;
}
return $form;
case 'save':
// If $op is "save", we need to save settings from the configuration form.
// Since the first block is the only one that allows configuration, we
// need to check $delta to make sure we only save it.
switch ($delta) {
case 0:
// variable_set('fedora_image_rotator_block_query', $edit['fedora_image_rotator_block_query']);
break;
}
return;
case 'view': default:
// If $op is "view", then we need to generate the block for display
// purposes. The $delta parameter tells us which block is being requested.
switch ($delta) {
case 0:
module_load_include('inc', 'fedora_fesl', 'fesl_block');
$block['subject'] = t('My Collections');
$block['content'] = _fedora_fesl_block_content();
break;
}
return $block;
}
}