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XOOPS 2.7 Docs

Groepssysteem

Groepssysteem in XOOPS

Section titled “Groepssysteem in XOOPS”

Het XOOPS-groepssysteem biedt een hiërarchisch raamwerk voor het organiseren van gebruikers en het beheren van collectieve machtigingen. Dit document behandelt standaardgroepen, het maken van aangepaste groepen, hiërarchie en praktische implementatie.

Standaardgroepen

Section titled “Standaardgroepen”

XOOPS bevat drie fundamentele groepen die worden gemaakt tijdens de systeeminstallatie:

Webmastersgroep (ID: 1)

Section titled “Webmastersgroep (ID: 1)”

De groep Webmasters vertegenwoordigt sitebeheerders met volledige systeemtoegang.

Kenmerken:

  • Groeps-ID: 1
  • Hoogste privilegeniveau
  • Kan niet worden verwijderd
  • Volledige toegang tot alle modules en functies
  • Toegang tot administratiepaneel
<?php
/**
 * Check if user is webmaster
 */
$groupHandler = xoops_getHandler('group');
$group = $groupHandler->getGroup(1);
$webmasterUsers = $groupHandler->getUsersByGroup(1);


if ($xoopsUser instanceof XoopsUser) {
    $groups = $xoopsUser->getGroups();
    if (in_array(1, $groups)) {
        // User is a webmaster
        echo "Welcome, Site Administrator!";
    }
}

Geregistreerde gebruikersgroep (ID: 2)

Section titled “Geregistreerde gebruikersgroep (ID: 2)”

De groep Geregistreerde gebruikers omvat alle geverifieerde gebruikers die niet anoniem zijn.

Kenmerken:

  • Groeps-ID: 2
  • Standaardgroep voor nieuwe registraties
  • Heeft toegang tot gebruikersspecifieke functies
  • Onder voorbehoud van groepsgebaseerde machtigingen
  • Kan worden aangepast voor standaard gebruikersfuncties
<?php
/**
 * Check if user is registered (not anonymous)
 */
if ($xoopsUser instanceof XoopsUser) {
    // User is logged in
    $groups = $xoopsUser->getGroups();
    if (in_array(2, $groups)) {
        // User is in registered group
        echo "Welcome, registered user!";
    }
}

Anonieme groep (ID: 3)

Section titled “Anonieme groep (ID: 3)”

De Anonieme groep vertegenwoordigt niet-geverifieerde bezoekers van de site.

Kenmerken:

  • Groeps-ID: 3
  • Standaardgroep voor niet-ingelogde gebruikers
  • Normaal gesproken beperkte alleen-lezen toegang
  • Kan de inhoud niet wijzigen
  • Publieke kijkrechten
<?php
/**
 * Check if user is anonymous
 */
if (!$xoopsUser instanceof XoopsUser) {
    // User is not logged in
    echo "Public content only";
}


// Alternative using group check
$anonymousUsers = xoops_getHandler('group')->getUsersByGroup(3);

Groepsstructuur

Section titled “Groepsstructuur”

Databaseschema

Section titled “Databaseschema”
CREATE TABLE xoops_groups (
  group_id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
  group_name VARCHAR(255) NOT NULL UNIQUE,
  group_description TEXT,
  group_type TINYINT(1) NOT NULL DEFAULT 0,
  group_active TINYINT(1) NOT NULL DEFAULT 1,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);


CREATE TABLE xoops_group_users (
  group_id INT(11) NOT NULL,
  uid INT(11) NOT NULL,
  PRIMARY KEY (group_id, uid),
  FOREIGN KEY (group_id) REFERENCES xoops_groups(group_id) ON DELETE CASCADE,
  FOREIGN KEY (uid) REFERENCES xoops_users(uid) ON DELETE CASCADE
);

XoopsGroup-klasse-eigenschappen

Section titled “XoopsGroup-klasse-eigenschappen”
class XoopsGroup
{
    protected $group_id;
    protected $group_name;
    protected $group_description;
    protected $group_type;
    protected $group_active;
    protected $created_at;
    protected $updated_at;
}

Groepshiërarchie

Section titled “Groepshiërarchie”

Hiërarchiediagram

Section titled “Hiërarchiediagram”
graph TD
    ROOT["XOOPS System"]


    ROOT --> G1["Webmasters<br/>Group 1<br/>Admin Access"]
    ROOT --> G2["Registered Users<br/>Group 2<br/>Standard Access"]
    ROOT --> G3["Anonymous<br/>Group 3<br/>Public Access"]
    ROOT --> GC["Custom Groups"]


    G1 --> P1["Full System Access"]
    G1 --> P2["Module Management"]
    G1 --> P3["User Administration"]
    G1 --> P4["Permission Control"]


    G2 --> Q1["Profile Management"]
    G2 --> Q2["Content Submission"]
    Q2 --> Q2A["Edit Own Content"]
    Q2 --> Q2B["Delete Own Content"]
    G2 --> Q3["Forum Participation"]


    G3 --> R1["View Public Content"]
    G3 --> R2["No Modifications"]
    G3 --> R3["Limited Features"]


    GC --> C1["Department Groups"]
    GC --> C2["Role-Based Groups"]
    GC --> C3["Project Groups"]


    C1 --> C1A["Marketing Team"]
    C1 --> C1B["Development Team"]
    C1 --> C1C["Support Team"]

Overerving van toestemming

Section titled “Overerving van toestemming”
sequenceDiagram
    participant System as XOOPS System
    participant User as User
    participant Groups as User Groups
    participant Perms as Permissions Engine


    System->>User: Identify User
    User->>Groups: Retrieve Member Groups
    Groups-->>Perms: Group List
    Perms->>Perms: Collect Group Permissions
    Perms->>Perms: Merge Permissions
    Perms->>Perms: Apply Hierarchy
    Perms-->>System: Final Permission Set
    System->>System: Grant/Deny Access

Aangepaste groepen maken

Section titled “Aangepaste groepen maken”

Handler voor het maken van groepen

Section titled “Handler voor het maken van groepen”
<?php
/**
 * Custom Group Management
 */
class GroupManager
{
    private $groupHandler;
    private $permissionHandler;


    public function __construct()
    {
        $this->groupHandler = xoops_getHandler('group');
        $this->permissionHandler = xoops_getHandler('permission');
    }


    /**
     * Create new group
     *
     * @param array $data Group data
     * @return XoopsGroup|false New group or false
     */
    public function createGroup(array $data)
    {
        // Validate input
        if (empty($data['group_name'])) {
            throw new Exception('Group name is required');
        }


        if (strlen($data['group_name']) < 3 || strlen($data['group_name']) > 255) {
            throw new Exception('Group name must be between 3 and 255 characters');
        }


        // Check if group already exists
        $existing = $this->groupHandler->getByName($data['group_name']);
        if ($existing) {
            throw new Exception('Group already exists');
        }


        // Create group object
        $group = $this->groupHandler->create();
        $group->setVar('group_name', $data['group_name']);
        $group->setVar('group_description', $data['group_description'] ?? '');
        $group->setVar('group_type', $data['group_type'] ?? 0);
        $group->setVar('group_active', $data['group_active'] ?? 1);


        // Save group
        if ($this->groupHandler->insert($group)) {
            return $group;
        }


        return false;
    }


    /**
     * Update group
     *
     * @param int $groupId Group ID
     * @param array $data Update data
     * @return bool Success status
     */
    public function updateGroup(int $groupId, array $data): bool
    {
        $group = $this->groupHandler->get($groupId);
        if (!$group) {
            return false;
        }


        // Prevent modification of default groups
        if (in_array($groupId, [1, 2, 3])) {
            if (isset($data['group_name']) && $data['group_name'] !== $group->getVar('group_name')) {
                throw new Exception('Cannot rename default groups');
            }
        }


        if (isset($data['group_name'])) {
            $group->setVar('group_name', $data['group_name']);
        }


        if (isset($data['group_description'])) {
            $group->setVar('group_description', $data['group_description']);
        }


        if (isset($data['group_active']) && !in_array($groupId, [1, 2, 3])) {
            $group->setVar('group_active', (int)$data['group_active']);
        }


        if (isset($data['group_type'])) {
            $group->setVar('group_type', (int)$data['group_type']);
        }


        return $this->groupHandler->insert($group);
    }


    /**
     * Add user to group
     *
     * @param int $uid User ID
     * @param int $groupId Group ID
     * @return bool Success status
     */
    public function addUserToGroup(int $uid, int $groupId): bool
    {
        return $this->groupHandler->addUser($uid, $groupId);
    }


    /**
     * Remove user from group
     *
     * @param int $uid User ID
     * @param int $groupId Group ID
     * @return bool Success status
     */
    public function removeUserFromGroup(int $uid, int $groupId): bool
    {
        return $this->groupHandler->removeUser($uid, $groupId);
    }


    /**
     * Get group members
     *
     * @param int $groupId Group ID
     * @return array Array of user objects
     */
    public function getGroupMembers(int $groupId): array
    {
        return $this->groupHandler->getUsersByGroup($groupId);
    }


    /**
     * Get user groups
     *
     * @param int $uid User ID
     * @return array Array of group objects
     */
    public function getUserGroups(int $uid): array
    {
        return $this->groupHandler->getGroupsByUser($uid);
    }


    /**
     * Delete group
     *
     * @param int $groupId Group ID
     * @return bool Success status
     */
    public function deleteGroup(int $groupId): bool
    {
        // Prevent deletion of default groups
        if (in_array($groupId, [1, 2, 3])) {
            throw new Exception('Cannot delete default groups');
        }


        // Remove all group users first
        $db = XoopsDatabaseFactory::getDatabaseConnection();
        $db->query("DELETE FROM xoops_group_users WHERE group_id = ?", array($groupId));


        // Delete group permissions
        $db->query("DELETE FROM xoops_group_permission WHERE group_id = ?", array($groupId));


        // Delete group
        return $this->groupHandler->delete($groupId);
    }
}

Toewijzing van groepsmachtigingen

Section titled “Toewijzing van groepsmachtigingen”

Machtigingen toewijzen aan groepen

Section titled “Machtigingen toewijzen aan groepen”
<?php
/**
 * Group Permission Assignment
 */
class GroupPermissionAssignment
{
    private $permissionHandler;
    private $groupHandler;
    private $moduleHandler;


    public function __construct()
    {
        $this->permissionHandler = xoops_getHandler('groupperm');
        $this->groupHandler = xoops_getHandler('group');
        $this->moduleHandler = xoops_getHandler('module');
    }


    /**
     * Grant module permission to group
     *
     * @param int $groupId Group ID
     * @param string $permission Permission name
     * @param int $moduleId Module ID
     * @param array $itemIds Item IDs (optional)
     * @return bool Success status
     */
    public function grantModulePermission(
        int $groupId,
        string $permission,
        int $moduleId,
        array $itemIds = []
    ): bool
    {
        if (empty($itemIds)) {
            // Grant module-level permission
            return $this->permissionHandler->addRight(
                $permission,
                $groupId,
                $moduleId
            );
        } else {
            // Grant item-level permissions
            foreach ($itemIds as $itemId) {
                $this->permissionHandler->addRight(
                    $permission,
                    $groupId,
                    $moduleId,
                    $itemId
                );
            }
            return true;
        }
    }


    /**
     * Revoke module permission from group
     *
     * @param int $groupId Group ID
     * @param string $permission Permission name
     * @param int $moduleId Module ID
     * @param array $itemIds Item IDs (optional)
     * @return bool Success status
     */
    public function revokeModulePermission(
        int $groupId,
        string $permission,
        int $moduleId,
        array $itemIds = []
    ): bool
    {
        if (empty($itemIds)) {
            return $this->permissionHandler->deleteRight(
                $permission,
                $groupId,
                $moduleId
            );
        } else {
            foreach ($itemIds as $itemId) {
                $this->permissionHandler->deleteRight(
                    $permission,
                    $groupId,
                    $moduleId,
                    $itemId
                );
            }
            return true;
        }
    }


    /**
     * Check if group has permission
     *
     * @param int $groupId Group ID
     * @param string $permission Permission name
     * @param int $moduleId Module ID
     * @param int $itemId Item ID (optional)
     * @return bool Permission status
     */
    public function hasPermission(
        int $groupId,
        string $permission,
        int $moduleId,
        int $itemId = 0
    ): bool
    {
        return $this->permissionHandler->checkRight(
            $permission,
            $groupId,
            $moduleId,
            $itemId
        );
    }


    /**
     * Get all permissions for group in module
     *
     * @param int $groupId Group ID
     * @param int $moduleId Module ID
     * @return array Permission list
     */
    public function getGroupModulePermissions(
        int $groupId,
        int $moduleId
    ): array
    {
        return $this->permissionHandler->getGroupPermissions(
            $groupId,
            $moduleId
        );
    }


    /**
     * Assign multiple permissions at once
     *
     * @param int $groupId Group ID
     * @param array $permissions Permission data
     * @return bool Success status
     */
    public function assignBulkPermissions(int $groupId, array $permissions): bool
    {
        try {
            foreach ($permissions as $perm) {
                $this->grantModulePermission(
                    $groupId,
                    $perm['permission'],
                    $perm['module_id'],
                    $perm['item_ids'] ?? []
                );
            }
            return true;
        } catch (Exception $e) {
            return false;
        }
    }
}

Praktische voorbeelden

Section titled “Praktische voorbeelden”

Afdelingsgroep instellen

Section titled “Afdelingsgroep instellen”
<?php
/**
 * Example: Setting up department groups
 */


$groupManager = new GroupManager();
$permissionAssigner = new GroupPermissionAssignment();


// Create Marketing Department group
$marketingGroup = $groupManager->createGroup([
    'group_name' => 'Marketing Department',
    'group_description' => 'Marketing team members',
    'group_type' => 1,
    'group_active' => 1
]);


$marketingId = $marketingGroup->getVar('group_id');


// Create Development Department group
$devGroup = $groupManager->createGroup([
    'group_name' => 'Development Department',
    'group_description' => 'Development team members',
    'group_type' => 1,
    'group_active' => 1
]);


$devId = $devGroup->getVar('group_id');


// Add users to groups
$groupManager->addUserToGroup(5, $marketingId);
$groupManager->addUserToGroup(6, $marketingId);
$groupManager->addUserToGroup(7, $devId);
$groupManager->addUserToGroup(8, $devId);


// Assign permissions
// Marketing can view and submit articles
$permissionAssigner->grantModulePermission(
    $marketingId,
    'module_view',
    2  // Article module
);


$permissionAssigner->grantModulePermission(
    $marketingId,
    'module_submit',
    2
);


// Dev can access all development tools
$permissionAssigner->grantModulePermission(
    $devId,
    'module_view',
    4  // Developer module
);


$permissionAssigner->grantModulePermission(
    $devId,
    'module_admin',
    4
);

Gebruikersgroepen controleren

Section titled “Gebruikersgroepen controleren”
<?php
/**
 * Example: Checking user group membership
 */


$groupManager = new GroupManager();
$xoopsUser = $GLOBALS['xoopsUser'];


if ($xoopsUser instanceof XoopsUser) {
    $userGroups = $groupManager->getUserGroups($xoopsUser->getVar('uid'));


    // Check specific group membership
    $isInMarketing = false;
    foreach ($userGroups as $group) {
        if ($group->getVar('group_name') === 'Marketing Department') {
            $isInMarketing = true;
            break;
        }
    }


    if ($isInMarketing) {
        echo "Welcome to Marketing!";
    }


    // Get group names
    $groupNames = array_map(function($g) {
        return $g->getVar('group_name');
    }, $userGroups);


    echo "You are member of: " . implode(", ", $groupNames);
}

Toewijzing van meerdere groepen

Section titled “Toewijzing van meerdere groepen”
<?php
/**
 * Example: Assigning user to multiple groups
 */


$groupManager = new GroupManager();


// Get group IDs
$groupHandler = xoops_getHandler('group');
$marketingGroup = $groupHandler->getByName('Marketing Department');
$writerGroup = $groupHandler->getByName('Writers');


// Add user to multiple groups
$userId = 12;
$groupManager->addUserToGroup($userId, $marketingGroup->getVar('group_id'));
$groupManager->addUserToGroup($userId, $writerGroup->getVar('group_id'));


// User now has combined permissions from both groups

Beste praktijken

Section titled “Beste praktijken”

Groepsorganisatie

Section titled “Groepsorganisatie”
  1. Duidelijke naamgeving: gebruik beschrijvende, duidelijke groepsnamen
  2. Documentatie: Doelen en machtigingen voor documentgroepen
  3. Privilegeprincipe: Verleen minimaal vereiste machtigingen
  4. Regelmatige audits: Controleer regelmatig groepslidmaatschappen en machtigingen
  5. Standaardgroepen: standaardgroepen behouden (webmasters, geregistreerd, anoniem)

Toestemmingsbeheer

Section titled “Toestemmingsbeheer”
<?php
/**
 * Best practice: Permission audit function
 */
class GroupAudit
{
    /**
     * Audit group permissions
     *
     * @param int $groupId Group ID
     * @return array Audit report
     */
    public function auditGroupPermissions(int $groupId): array
    {
        $permissionHandler = xoops_getHandler('groupperm');
        $groupHandler = xoops_getHandler('group');
        $moduleHandler = xoops_getHandler('module');


        $group = $groupHandler->get($groupId);
        if (!$group) {
            return ['error' => 'Group not found'];
        }


        $modules = $moduleHandler->getList();
        $report = [
            'group_name' => $group->getVar('group_name'),
            'members_count' => count($groupHandler->getUsersByGroup($groupId)),
            'permissions_by_module' => []
        ];


        foreach ($modules as $moduleId => $moduleName) {
            $perms = $permissionHandler->getGroupPermissions($groupId, $moduleId);
            if (!empty($perms)) {
                $report['permissions_by_module'][$moduleName] = $perms;
            }
        }


        return $report;
    }
}
Section titled “Gerelateerde links”
  • Gebruiker Management.md
  • Toestemming System.md -Authentication.md
  • ../../Security/Security-Guidelines.md

Tags

Section titled “Tags”

#groepen #groepsbeheer #permissies #toegangscontrole #gebruikersorganisatie #hiërarchie