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New module 'Search Restrict'

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Manuel Cillero 2017-07-26 13:40:54 +02:00
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
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Public License instead of this License.

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********************************************************************
D R U P A L M O D U L E
********************************************************************
Name: Search Restrict
Author: Robert Castelo <www.codepositive.com>
Drupal: 6.x
********************************************************************
DESCRIPTION:
Restrict by role who can search for each content type.
Approach of this module is to re-write the search query, so that
content is indexed and available as search results to users in role(s)
that have permissions to view it, but not displayed to other roles.
********************************************************************
PREREQUISITES:
Search module (Drupal core).
********************************************************************
INSTALLATION:
Note: It is assumed that you have Drupal up and running. Be sure to
check the Drupal web site if you need assistance. If you run into
problems, you should always read the INSTALL.txt that comes with the
Drupal package and read the online documentation.
1. Place the entire module directory into your Drupal directory:
sites/all/modules/
2. Enable the module modules by navigating to:
administer > build > modules
Click the 'Save configuration' button at the bottom to commit your
changes.
********************************************************************
USAGE:
On the configuration form of each each content type set the role(s)
that can search for nodes of that content type.
********************************************************************
TO DO
Write tests
********************************************************************
ACKNOWLEDGEMENT
Developed by Robert Castelo for Code Positive <http://www.codepositive.com>
Initial development sponsored by Greenpeace UK <http://www.greenpeace.org.uk>
Drupal 6 update by:
Hans Nilsson (Blackdog) <http://drupal.org/user/110169>
Daniel F. Kudwien (Sun) <http://drupal.org/user/54136>

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name = Search Restrict
description = "Exclude specific content from search results if user doesn't have privileges."
dependencies[] = search
core = 6.x
; Information added by drupal.org packaging script on 2012-08-29
version = "6.x-1.5"
core = "6.x"
project = "search_restrict"
datestamp = "1346261003"

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<?php
/**
* Implementation of hook_install().
*/
function search_restrict_install() {
// Set a low weight so the module is called before node module.
db_query("UPDATE {system} SET weight = -10 WHERE name = 'search_restrict'");
}
/**
* Implementation of hook_uninstall().
*/
function search_restrict_uninstall() {
$types = node_get_types();
foreach ($types as $type => $type_info) {
variable_del('search_restrict_type_'. $type);
}
variable_del('search_restrict_content_type');
}
/**
* Remove extra variables set by the content type form.
*/
function search_restrict_update_6001() {
$ret = array();
$ret[] = update_sql("DELETE FROM {variable} WHERE NAME LIKE 'search_restrict_roles_%'");
return $ret;
}
/**
* Convert content type settings to new format.
*/
function search_restrict_update_6002() {
$ret = array();
$types = variable_get('search_restrict_content_type', array());
foreach($types as $type => $roles) {
variable_set('search_restrict_type_'. $type, $roles);
}
variable_del('search_restrict_content_type');
return $ret;
}

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<?php
/**
* Implementation of hook_perm().
*/
function search_restrict_perm() {
return array('administer search_restrict');
}
/**
* Implementation of hook_form_FORM_alter().
*/
function search_restrict_form_node_type_form_alter(&$form, &$form_state) {
search_restrict_content_type_form($form);
}
/**
* Alter content type forms to include search restrict options.
*/
function search_restrict_content_type_form(&$form) {
$roles = user_roles();
ksort($roles);
$content_type = $form['#node_type']->type;
$restrictions = variable_get('search_restrict_type_'. $content_type, array());
$form['search_restrict'] = array(
'#type' => 'fieldset',
'#title' => t('Search Restrict'),
'#description' => t('Select which user roles can search for this content type. By default all roles can search.'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#access' => user_access('administer search_restrict'),
);
$form['search_restrict']['search_restrict_roles'] = array(
'#type' => 'checkboxes',
'#title' => t('Roles'),
'#description' => t('If all checkboxes are unselected then everyone can search.'),
'#options' => $roles,
'#default_value' => $restrictions,
);
// Use custom submit function to avoid a query at time of search to get the
// list of content types.
// Add to front of array so that we can clear search_restrict_roles_<content_type>.
array_unshift($form['#submit'], 'search_restrict_content_type_form_submit');
}
/**
* use custom submit function to avoid a query at time of search to get the list of content types
*/
function search_restrict_content_type_form_submit($form, &$form_state) {
$roles = $form_state['values']['search_restrict_roles'];
$type = $form_state['values']['type'];
variable_set('search_restrict_type_'. $type, $roles);
unset($form_state['values']['search_restrict_roles']);
}
/**
* Implementation of hook_db_rewrite_sql().
*/
function search_restrict_db_rewrite_sql($query, $primary_table, $primary_field, $args) {
global $user;
// User 1 can search everything.
if ($user->uid == 1) {
return;
}
$user_roles = $user->roles;
$excluded_types = array();
if ($query == '' && $primary_table == 'n' && $primary_field == 'nid' && empty($args)) {
$types = node_get_types();
foreach ($types as $type => $type_info) {
$roles = variable_get('search_restrict_type_'. $type, array());
$access = FALSE;
$access_false = array();
$access_true = array();
// list included and excluded roles
foreach ($roles as $role_id => $selected) {
if (empty($selected)) {
$access_false[] = $role_id;
}
else {
$access_true[] = $role_id;
}
}
// If no roles or all roles have been selected then everyone has access
// skip this content type.
if (!empty($access_true) && !empty($access_false)) {
// If user has role in include list skip this content type.
foreach ($access_true as $role_selected) {
if (!empty($user_roles[$role_selected])) $access = TRUE;
}
// User doesn't have any roles that are allowed to search this content type.
if (empty($access)) $excluded_types[] = $type;
}
}
if (!empty($excluded_types)) {
$where = " n.type NOT IN ('". join("','", $excluded_types) ."') ";
return array('where' => $where);
}
}
}
/**
* Implementation of hook_form_alter().
*/
function search_restrict_form_alter(&$form, $form_state, $form_id) {
switch ($form_id) {
case 'search_form':
$form['#after_build'][] = '_search_restrict_advanced_form';
break;
}
}
/**
* Remove restricted content types from the advanced search form. We use
* after_build due to the method the node module uses to add the advanced
* search options.
*/
function _search_restrict_advanced_form($form_element, &$form_state) {
global $user;
if ($user->uid == 1) {
return $form_element;
}
$types = node_get_types();
$role_ids = array_keys($user->roles);
foreach ($types as $type => $type_info) {
$access = FALSE;
$roles = variable_get('search_restrict_type_'. $type, array());
if (empty($roles)) {
$access = TRUE;
}
else {
foreach ($roles as $role_id => $selected) {
if (!empty($selected) && in_array($role_id, $role_ids)) {
$access = TRUE;
break;
}
}
}
if (!$access) {
unset($form_element['advanced']['type']['#options'][$type]);
unset($form_element['advanced']['type'][$type]);
}
}
return $form_element;
}
/**
* Implementation of hook_node_type
*/
function search_restrict_node_type($op, $info) {
if ($op == 'delete') {
variable_del('search_restrict_type_'. $info->type);
}
}

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********************************************************************
D R U P A L M O D U L E
********************************************************************
Name: Search Restrict Apache Solr
Author: Robert Castelo <www.codepositive.com>
Drupal: 6.x
********************************************************************
DESCRIPTION:
Restrict by role who can search for each content type when Apache Solr is being used.
********************************************************************
PREREQUISITES:
Apache Solr Integration module (Drupal core).
********************************************************************
INSTALLATION:
Note: It is assumed that you have Drupal up and running. Be sure to
check the Drupal web site if you need assistance. If you run into
problems, you should always read the INSTALL.txt that comes with the
Drupal package and read the online documentation.
1. Place the entire module directory into your Drupal directory:
sites/all/modules/
2. Enable the module modules by navigating to:
administer > build > modules
Click the 'Save configuration' button at the bottom to commit your
changes.
********************************************************************
USAGE:
On the configuration form of each each content type set the role(s)
that can search for nodes of that content type.
********************************************************************
TO DO
Write tests
********************************************************************
ACKNOWLEDGEMENT

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name = Search Restrict Apache Solr
description = "Exclude specific content from Apache Solr search results if user doesn't have privileges."
dependencies[] = apachesolr
dependencies[] = search_restrict
core = 6.x
; Information added by drupal.org packaging script on 2012-08-29
version = "6.x-1.5"
core = "6.x"
project = "search_restrict"
datestamp = "1346261003"

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<?php
/**
* Implementation of hook_apachesolr_modify_query()
*/
function search_restrict_apache_solr_apachesolr_modify_query(&$query, &$params, $caller) {
global $user;
// User 1 can search everything.
if ($user->uid == 1) {
return;
}
$excluded_types = search_restrict_apache_solr_excluded($user->roles);
if (!empty($excluded_types)) {
foreach ($excluded_types as $excluded_type) {
$query->add_filter('type', $excluded_type, TRUE);
}
}
}
/**
* Get list of content types to exclude.
*/
function search_restrict_apache_solr_excluded($user_roles) {
$excluded_types = array();
$types = node_get_types();
foreach ($types as $type => $type_info) {
$roles = variable_get('search_restrict_type_'. $type, array());
$access = FALSE;
$access_false = array();
$access_true = array();
// list included and excluded roles
foreach ($roles as $role_id => $selected) {
if (empty($selected)) {
$access_false[] = $role_id;
}
else {
$access_true[] = $role_id;
}
}
// If no roles or all roles have been selected then everyone has access
// skip this content type.
if (!empty($access_true) && !empty($access_false)) {
// If user has role in include list skip this content type.
foreach ($access_true as $role_selected) {
if (!empty($user_roles[$role_selected])) $access = TRUE;
}
// User doesn't have any roles that are allowed to search this content type.
if (empty($access)) $excluded_types[] = $type;
}
}
return $excluded_types;
}