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