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<?php
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/*** User.module ***/
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// A grant for each user
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function user_node_grants($account, $op) {
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$grants['user_id'][] = $account->uid;
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$grants['user_author'][] = $account->uid;
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foreach(array_keys($account->roles) as $role) {
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$grants['user_role'][] = $role;
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}
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$grants['user_all'][] = true;
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return $grants;
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}
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// returns pretty names for realms
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function user_node_grants_info() {
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return array (
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'user_all' => t('Everyone'),
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'user_author' => t('Content Author'),
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'user_id' => t('User Names'),
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'user_role' => t('User Roles')
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);
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}
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// returns a string explaining this grant and realm
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function user_node_grants_display($realm, $data = NULL) {
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switch($realm) {
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case 'user_all':
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return t("Everyone");
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case 'user_author':
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return t('This content\'s author');
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case 'user_id':
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$names = array();
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dprint_r($data);
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foreach($data['users'] as $id) {
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if ($user = user_load(array('uid' => $id))) {
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dprint_r($user);
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$names[$id] = theme('username', $user);
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}
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}
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dprint_r("After");
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if (!empty($names)) {
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return aclfield_array_to_text($names);
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}
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break;
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case 'user_role':
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$roles = user_roles();
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$priv_roles = array();
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foreach($data['roles'] as $rid) {
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$priv_roles[] = $roles[$rid];
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}
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if (!empty($priv_roles)) {
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return t('Users in the '). aclfield_array_to_text($priv_roles) . ' ' . t('roles');
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}
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break;
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}
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}
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function user_grant_form($grant, $data = NULL) {
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//dprint_r("in grant form, data is:");
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//dprint_r($data);
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$form = array();
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// TODO define a better form to pick a user ID. perhaps we can hijack views?
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switch ($grant) {
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case 'user_id':
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$res = db_query('SELECT uid, name FROM {users} WHERE uid > 0');
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$users = array();
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while ($row = db_fetch_object($res)) {
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$users[$row->uid] = $row->name;
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}
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$form['users'] = array(
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'#type' => 'select',
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// '#title' => t('Users in the following roles'),
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'#options' => $users,
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'#multiple' => true,
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'#default_value' => $data['users'],
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);
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break;
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case 'user_all':
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case 'user_author':
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break;
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case 'user_role':
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$roles = user_roles();
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$form['roles'] = array(
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'#type' => 'select',
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'#title' => t('Users in the following roles'),
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'#options' => $roles,
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'#multiple' => true,
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'#default_value' => $data['roles'],
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);
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break;
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}
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return $form;
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}
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function user_grant_process_node($grant, $node, $data) {
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$grants = array();
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switch($grant) {
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case 'user_author':
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$grants[] = $node->uid;
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break;
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case 'user_id':
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$grants = $data['users'];
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break;
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case 'user_role':
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$grants = $data['roles'];
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break;
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case 'user_all':
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$grants[] = 1;
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break;
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}
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return $grants;
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}
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/*** Organic Groups ***/
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function og_node_grants_info() {
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return array (
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'og_subscriber' => t('Group Subscribers'),
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'og_admin' => t('Group Administrators')
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);
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}
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function og_grant_form($grant, $data = NULL) {
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$form = array();
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$groups = og_all_groups_options();
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$groups['THIS_NODE'] = t('This Content\'s Groups');
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ksort($groups); // sort this node to top
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$form['groups'] = array (
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'#type' => 'select',
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'#title' => t('In the following groups'),
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'#options' => $groups,
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'#multiple' => true,
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'#default_value' => $data['groups'],
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);
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return $form;
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}
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function og_node_grants_display($realm, $data = NULL) {
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$groups = array();
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foreach($data['groups'] as $nid) {
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if ($nid == 'THIS_NODE') {
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$groups[] = t('this content\'s groups');
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}
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elseif ($node = node_load($nid)) {
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// perhaps replace with an sql_rewrite version that just pulls nids and titles?
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$groups[] = t('members of ') . l($node->title, 'node/'. $node->nid);
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}
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}
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$group_string = aclfield_array_to_text($groups);
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// idea: call default node formatter on each nid?
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/* something like:
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if exists node reference:
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call nodereference_formatter on a fudged up version of the data
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else
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do it ourselves?
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*/
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switch($realm) {
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case 'og_subscriber':
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return t("Subscribers in ") . $group_string;
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case 'og_admin':
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return t("Administrators in ") . $group_string;
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}
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}
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// BUG this depends on the patch in http://drupal.org/node/111836 to work
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function og_grant_process_node($grant, $node, $data) {
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$grants = array();
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// return an empty array if no groups are selected
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if (!is_array($data['groups'])) { return $grants; }
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// iterate through the selected groups and return the node ids as grant ids
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foreach(array_keys($data['groups']) as $gid) {
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// expand the THIS_NODE placeholder into the list of groups
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if ($gid == 'THIS_NODE' && is_array($node->og_groups)) {
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foreach ($node->og_groups as $node_gid) {
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$grants[] = $node_gid;
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}
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} else {
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// we've already found the group ids, just return them here
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$grants[] = $gid;
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}
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}
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return $grants;
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}
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/* More to add
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- buddy lists
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-- select all
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-- select from
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- node reference
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- user reference
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*/
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// implementing this until the og_grant bug listed above works
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// TODO comment out this function
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function aclfield_node_grants($account, $op) {
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if (function_exists('og_get_subscriptions')) {
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// get subscriptions
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if ($subscriptions = og_get_subscriptions($account->uid)) {
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foreach ($subscriptions as $key => $val) {
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// og now has two realms, subscribers and administrators
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$grants['og_subscriber'][] = $key;
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if ($val['is_admin']) {
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$grants['og_admin'][] = $key;
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}
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}
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}
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return $grants ? $grants : array();
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}
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}
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