| 1 |
<?php |
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|
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namespace FluentSupport\App\Modules; |
| 4 |
|
| 5 |
use FluentSupport\App\Models\MailBox; |
| 6 |
use FluentSupport\App\Services\Helper; |
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use FluentSupport\App\Services\Tickets\AgentTicketAccess; |
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use FluentSupport\Framework\Support\Arr; |
| 9 |
|
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/** |
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* PermissionManager class is responsible for getting/settings data related to permission |
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* @package FluentSupport\App\Modules |
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* |
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* @version 1.0.0 |
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*/ |
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|
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class PermissionManager |
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{ |
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const META_KEY = '_fluent_support_permissions'; |
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|
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// Ticket visibility levels returned by resolveTicketVisibility() |
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const VISIBILITY_ALL = 'all_tickets'; |
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const VISIBILITY_ASSIGNED_AND_UNASSIGNED = 'assigned_and_unassigned'; |
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const VISIBILITY_ASSIGNED_ONLY = 'assigned_only'; |
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|
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/** |
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* pluginPermissions method will return the list of permissions support by Fluent Support Plugin |
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* @return string[] |
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*/ |
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public static function pluginPermissions() |
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{ |
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return [ |
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'fst_view_dashboard', |
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'fst_view_tickets', |
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'fst_manage_own_tickets', |
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'fst_manage_unassigned_tickets', |
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'fst_manage_other_tickets', |
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'fst_delete_tickets', |
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'fst_assign_agents', |
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'fst_manage_settings', |
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'fst_sensitive_data', |
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'fst_manage_workflows', |
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'fst_run_workflows', |
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'fst_view_all_reports', |
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'fst_manage_saved_replies', |
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'fst_view_activity_logs', |
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'fst_merge_tickets', |
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'fst_split_ticket', |
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'fst_agent_today_performance', |
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'fst_draft_reply', |
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'fst_approve_draft_reply' |
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]; |
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} |
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|
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/** |
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* Primary permission check. Accepts a single permission string or an array (any match). |
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* |
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* @param string|array $permissions |
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* @return bool |
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*/ |
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public static function userCan($permissions) |
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{ |
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if (current_user_can('manage_options')) { |
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return true; |
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} |
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|
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$userPermissions = self::currentUserPermissions(); |
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|
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if (!$userPermissions) { |
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return false; |
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} |
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|
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if (is_string($permissions)) { |
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return in_array($permissions, $userPermissions); |
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} |
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|
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if (is_array($permissions)) { |
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foreach ($permissions as $permission) { |
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if (in_array($permission, $userPermissions)) { |
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return true; |
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} |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* currentUserCan method will return whether a user has the selected permission or not. |
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* Backward-compatible alias for userCan(). |
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* |
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* @param $permission |
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* @return bool |
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*/ |
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public static function currentUserCan($permission) |
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{ |
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return self::userCan($permission); |
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} |
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|
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/** |
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* attachPermissions method will save selected permissions to user meta. |
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* Also cleans up any legacy fst_* WordPress capabilities. |
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* |
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* @param $user |
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* @param $permissions |
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* @return false|mixed |
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*/ |
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public static function attachPermissions($user, $permissions) |
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{ |
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if (is_numeric($user)) { |
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$user = get_user_by('ID', $user); |
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} |
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|
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if (!$user) { |
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return false; |
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} |
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|
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if (user_can($user, 'manage_options')) { |
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return $user; |
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} |
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|
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$allPermissions = self::pluginPermissions(); |
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|
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// Allowlist (never a denylist): only known plugin permissions may be written. |
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// The privilege-ceiling invariant (an actor may only grant permissions it holds) |
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// is enforced upstream by AgentPolicy, which limits agent mutations to |
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// administrators — the only entry point that reaches this write. |
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$permissions = array_values(array_intersect($allPermissions, $permissions)); |
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|
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$exclusionRules = self::getExclusionRules(); |
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$permissions = self::applyExclusionRules($permissions, $exclusionRules); |
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|
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// Auto-grant fst_view_tickets when any manage, draft, or approve permission is present |
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$manageOrDraftPermissions = [ |
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'fst_manage_own_tickets', |
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'fst_manage_unassigned_tickets', |
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'fst_manage_other_tickets', |
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'fst_draft_reply', |
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'fst_approve_draft_reply', |
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]; |
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|
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if (!empty(array_intersect($permissions, $manageOrDraftPermissions)) |
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&& !in_array('fst_view_tickets', $permissions)) { |
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$permissions[] = 'fst_view_tickets'; |
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} |
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|
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// Store permissions in user meta |
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update_user_meta($user->ID, self::META_KEY, array_values($permissions)); |
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|
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// Clean up legacy WordPress capabilities |
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foreach ($allPermissions as $cap) { |
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$user->remove_cap($cap); |
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} |
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|
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return $user; |
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} |
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|
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/** |
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* Clean removal of all Fluent Support permissions for a user. |
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* |
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* @param int $userId |
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* @return void |
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*/ |
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public static function detachPermissions($userId) |
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{ |
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delete_user_meta($userId, self::META_KEY); |
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|
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// Clean up any legacy WordPress capabilities |
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$user = get_user_by('ID', $userId); |
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if ($user && !user_can($user, 'manage_options')) { |
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foreach (self::pluginPermissions() as $cap) { |
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$user->remove_cap($cap); |
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} |
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} |
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} |
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|
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/** |
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* Remove conflicting permissions based on exclusion rules. |
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* |
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* @param array $permissions The array of permissions to filter. |
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* @param array $rules Each key => value pair means: if key is present, remove value. |
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* @return array The filtered array of permissions. |
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*/ |
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public static function applyExclusionRules($permissions, $rules) |
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{ |
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foreach ($rules as $requiredKey => $removeKey) { |
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if (in_array($requiredKey, $permissions) && in_array($removeKey, $permissions)) { |
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unset($permissions[array_search($removeKey, $permissions)]); |
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} |
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} |
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return $permissions; |
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} |
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|
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/** |
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* Get the mutual exclusion rules for permission assignment. |
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* |
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* @return array Each key => value pair means: if key is present, remove value. |
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*/ |
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public static function getExclusionRules() |
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{ |
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// Mutual exclusion rules applied when assigning permissions: |
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// - If agent has any manage_*_tickets permission, remove fst_draft_reply |
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// (draft-only mode is for agents who CANNOT manage tickets) |
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// - If agent has fst_draft_reply, remove fst_approve_draft_reply |
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// (draft-only agents should not approve their own drafts) |
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return [ |
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'fst_manage_unassigned_tickets' => 'fst_draft_reply', |
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'fst_manage_other_tickets' => 'fst_draft_reply', |
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'fst_manage_own_tickets' => 'fst_draft_reply', |
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'fst_draft_reply' => 'fst_approve_draft_reply' |
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]; |
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} |
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|
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/** |
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* Get raw permissions from user meta. |
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* |
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* @param int|null $userId |
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* @return array |
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*/ |
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public static function getMetaPermissions($userId = null) |
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{ |
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if ($userId === null) { |
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$userId = get_current_user_id(); |
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} |
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|
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if (!$userId) { |
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return []; |
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} |
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|
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$permissions = get_user_meta($userId, self::META_KEY, true); |
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|
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return is_array($permissions) ? $permissions : []; |
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} |
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|
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/** |
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* getUserPermissions method will get all permissions for a user. |
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* Reads from user meta with legacy wp_capabilities fallback. |
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* |
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* @param false $user |
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* @return array|string[] |
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*/ |
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public static function getUserPermissions($user = false) |
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{ |
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if (is_numeric($user)) { |
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$user = get_user_by('ID', $user); |
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} |
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|
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if (!$user) { |
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return []; |
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} |
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|
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$pluginPermission = self::pluginPermissions(); |
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|
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if ($user->has_cap('manage_options')) { |
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$pluginPermission[] = 'administrator'; |
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$pluginPermission = array_values(array_diff($pluginPermission, ['fst_draft_reply'])); |
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return $pluginPermission; |
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} |
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|
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// Read from meta first |
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$permissions = self::getMetaPermissions($user->ID); |
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|
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if (!empty($permissions)) { |
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return array_values(array_intersect($permissions, $pluginPermission)); |
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} |
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|
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// Legacy fallback: read from wp_capabilities and migrate |
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$legacyPermissions = array_values(array_intersect(array_keys($user->allcaps), $pluginPermission)); |
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|
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if (!empty($legacyPermissions)) { |
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// Migrate to meta |
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update_user_meta($user->ID, self::META_KEY, $legacyPermissions); |
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|
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// Clean up legacy caps |
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foreach ($legacyPermissions as $cap) { |
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$user->remove_cap($cap); |
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} |
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} |
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|
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return $legacyPermissions; |
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} |
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|
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/** |
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* currentUserPermissions method will return the permission of logged-in user |
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* @param bool $cached |
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* @return array|mixed|string[] |
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*/ |
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public static function currentUserPermissions($cached = true) |
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{ |
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static $permissions; |
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|
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if ($permissions && $cached) { |
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return $permissions; |
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} |
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|
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$permissions = self::getUserPermissions(get_current_user_id()); |
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|
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return $permissions; |
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} |
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|
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/** |
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* Determine the WordPress capability string for menu registration. |
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* Returns 'manage_options' for admins, the user's WP role for agents |
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* with permissions, or empty string to hide the menu. |
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* |
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* @return string |
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*/ |
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public static function getMenuPermission() |
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{ |
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if (current_user_can('manage_options')) { |
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return 'manage_options'; |
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} |
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|
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$userId = get_current_user_id(); |
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|
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if (!$userId) { |
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return ''; |
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} |
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|
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$metaPermissions = self::getMetaPermissions($userId); |
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|
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// Legacy fallback: check wp_capabilities for fst_* caps |
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if (empty($metaPermissions)) { |
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$user = get_user_by('ID', $userId); |
| 325 |
if ($user) { |
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$legacyPermissions = array_intersect(array_keys($user->allcaps), self::pluginPermissions()); |
| 327 |
if (empty($legacyPermissions)) { |
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return ''; |
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} |
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} else { |
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return ''; |
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} |
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} |
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|
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$user = wp_get_current_user(); |
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$roles = array_values((array) $user->roles); |
| 337 |
|
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return Arr::get($roles, 0, ''); |
| 339 |
} |
| 340 |
|
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/** |
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* Get the mailbox IDs that the current agent is restricted from accessing. |
| 343 |
* |
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* @return array Mailbox IDs the agent cannot access, or empty array if unrestricted. |
| 345 |
*/ |
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public static function getRestrictedMailboxIds() |
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{ |
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return (new AgentTicketAccess())->getRestrictedMailboxIds(); |
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|
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} |
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|
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/** |
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* Whether the current user can perform mutating ticket actions (reply, close, reopen, assign, etc.). |
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* Draft-only agents return false here — they can view tickets and create drafts but cannot publish. |
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* |
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* @return bool |
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*/ |
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public static function canManageTickets() |
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{ |
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return self::userCan([ |
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'fst_manage_own_tickets', |
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'fst_manage_unassigned_tickets', |
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'fst_manage_other_tickets' |
| 364 |
]); |
| 365 |
} |
| 366 |
|
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/** |
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* Whether the current user can access ticket API routes at all (read or write). |
| 369 |
* Includes manage, merge, draft-only, and view-only agents. |
| 370 |
* |
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* @return bool |
| 372 |
*/ |
| 373 |
public static function canAccessTicketRoutes() |
| 374 |
{ |
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return self::userCan([ |
| 376 |
'fst_view_tickets', |
| 377 |
'fst_manage_own_tickets', |
| 378 |
'fst_manage_unassigned_tickets', |
| 379 |
'fst_manage_other_tickets', |
| 380 |
'fst_merge_tickets', |
| 381 |
'fst_draft_reply' |
| 382 |
]); |
| 383 |
} |
| 384 |
|
| 385 |
/** |
| 386 |
* Determine ticket visibility level from a permission set. |
| 387 |
* |
| 388 |
* Business rule: fst_view_tickets and fst_draft_reply get full visibility because |
| 389 |
* read-only and draft agents need to view any ticket, even though they cannot publish. |
| 390 |
* |
| 391 |
* @param array $permissions |
| 392 |
* @return string One of the VISIBILITY_* constants. |
| 393 |
*/ |
| 394 |
private static function resolveTicketVisibility(array $permissions) |
| 395 |
{ |
| 396 |
// Manage-level permissions take priority for visibility |
| 397 |
if (in_array('fst_manage_other_tickets', $permissions)) { |
| 398 |
return self::VISIBILITY_ALL; |
| 399 |
} |
| 400 |
|
| 401 |
if (in_array('fst_manage_unassigned_tickets', $permissions)) { |
| 402 |
return self::VISIBILITY_ASSIGNED_AND_UNASSIGNED; |
| 403 |
} |
| 404 |
|
| 405 |
if (in_array('fst_manage_own_tickets', $permissions)) { |
| 406 |
return self::VISIBILITY_ASSIGNED_ONLY; |
| 407 |
} |
| 408 |
|
| 409 |
// Non-manage roles (draft, view-only) can see all tickets but cannot modify |
| 410 |
if (in_array('fst_draft_reply', $permissions) |
| 411 |
|| in_array('fst_view_tickets', $permissions)) { |
| 412 |
return self::VISIBILITY_ALL; |
| 413 |
} |
| 414 |
|
| 415 |
return self::VISIBILITY_ASSIGNED_ONLY; |
| 416 |
} |
| 417 |
|
| 418 |
/** |
| 419 |
* currentTicketVisibility method will return the permission level for a user in tickets |
| 420 |
* @return string |
| 421 |
*/ |
| 422 |
public static function currentTicketVisibility() |
| 423 |
{ |
| 424 |
$permissions = self::currentUserPermissions(); |
| 425 |
return self::resolveTicketVisibility($permissions); |
| 426 |
} |
| 427 |
|
| 428 |
/** |
| 429 |
* getAgentTicketVisibility method will return the access level of an agent in tickets |
| 430 |
* @param false $userId |
| 431 |
* @return string |
| 432 |
*/ |
| 433 |
public static function getAgentTicketVisibility($userId = false) |
| 434 |
{ |
| 435 |
if (!$userId) { |
| 436 |
$userId = get_current_user_id(); |
| 437 |
} |
| 438 |
|
| 439 |
$permissions = self::getUserPermissions($userId); |
| 440 |
|
| 441 |
return self::resolveTicketVisibility($permissions); |
| 442 |
} |
| 443 |
|
| 444 |
/** |
| 445 |
* canAccessTicket method will return whether the selected user has permission in selected ticket or not |
| 446 |
* @param $ticket |
| 447 |
* @return bool |
| 448 |
*/ |
| 449 |
public static function canAccessTicket($ticket) |
| 450 |
{ |
| 451 |
return (new AgentTicketAccess())->currentAgentCanAccess($ticket); |
| 452 |
} |
| 453 |
|
| 454 |
/** |
| 455 |
* getReadablePermissionGroups method will return the permission group as array |
| 456 |
* @return array[] |
| 457 |
*/ |
| 458 |
public static function getReadablePermissionGroups() |
| 459 |
{ |
| 460 |
return [ |
| 461 |
[ |
| 462 |
'title' => __('Tickets Permissions', 'fluent-support'), |
| 463 |
'permissions' => [ |
| 464 |
'fst_view_dashboard' => __('View Dashboard', 'fluent-support'), |
| 465 |
'fst_manage_own_tickets' => __('Manage Own Tickets', 'fluent-support'), |
| 466 |
'fst_manage_unassigned_tickets' => __('Manage Unassigned Tickets', 'fluent-support'), |
| 467 |
'fst_manage_other_tickets' => __('Manage Others Tickets', 'fluent-support'), |
| 468 |
'fst_assign_agents' => __('Assign Agents', 'fluent-support'), |
| 469 |
'fst_delete_tickets' => __('Delete Tickets & Individual Responses', 'fluent-support'), |
| 470 |
'fst_merge_tickets' => __('Merge Tickets', 'fluent-support'), |
| 471 |
'fst_split_ticket' => __('Split Ticket', 'fluent-support'), |
| 472 |
'fst_draft_reply' => __('Draft Reply', 'fluent-support'), |
| 473 |
'fst_approve_draft_reply' => __('Approve Draft Reply', 'fluent-support'), |
| 474 |
'fst_view_tickets' => __('View Tickets (Read Only)', 'fluent-support'), |
| 475 |
] |
| 476 |
], |
| 477 |
[ |
| 478 |
'title' => __('Workflow Permissions', 'fluent-support'), |
| 479 |
'permissions' => [ |
| 480 |
'fst_manage_workflows' => __('Manage Workflows', 'fluent-support'), |
| 481 |
'fst_run_workflows' => __('Run workflows', 'fluent-support'), |
| 482 |
'fst_manage_saved_replies' => __('Manage Saved Replies', 'fluent-support') |
| 483 |
] |
| 484 |
], |
| 485 |
[ |
| 486 |
'title' => __('Settings', 'fluent-support'), |
| 487 |
'permissions' => [ |
| 488 |
'fst_manage_settings' => __('Manage Overall Settings', 'fluent-support'), |
| 489 |
'fst_sensitive_data' => __('Access Private Data (Customers, Agents)', 'fluent-support') |
| 490 |
] |
| 491 |
], |
| 492 |
[ |
| 493 |
'title' => __('Reporting', 'fluent-support'), |
| 494 |
'permissions' => [ |
| 495 |
'fst_view_all_reports' => __('View All Reports', 'fluent-support'), |
| 496 |
'fst_view_activity_logs' => __('View Activity Logs', 'fluent-support'), |
| 497 |
'fst_agent_today_performance' => __('View Agent Today Performance', 'fluent-support'), |
| 498 |
] |
| 499 |
] |
| 500 |
]; |
| 501 |
} |
| 502 |
|
| 503 |
public static function getMailboxesForRestriction() |
| 504 |
{ |
| 505 |
return MailBox::select(['id', 'name'])->get(); |
| 506 |
} |
| 507 |
|
| 508 |
/* |
| 509 |
|-------------------------------------------------------------------------- |
| 510 |
| Deprecated Methods |
| 511 |
|-------------------------------------------------------------------------- |
| 512 |
| These methods are kept for backward compatibility with third-party add-ons. |
| 513 |
| They delegate to the renamed replacements and will be removed in a future release. |
| 514 |
*/ |
| 515 |
|
| 516 |
/** |
| 517 |
* @deprecated Use currentTicketVisibility() instead. |
| 518 |
*/ |
| 519 |
public static function currentUserTicketsPermissionLevel() |
| 520 |
{ |
| 521 |
_deprecated_function(__METHOD__, '2.0.5', 'PermissionManager::currentTicketVisibility()'); |
| 522 |
|
| 523 |
return self::mapVisibilityToLegacy(self::currentTicketVisibility()); |
| 524 |
} |
| 525 |
|
| 526 |
/** |
| 527 |
* @deprecated Use getAgentTicketVisibility() instead. |
| 528 |
*/ |
| 529 |
public static function agentTicketPermissionLevel($userId = false) |
| 530 |
{ |
| 531 |
_deprecated_function(__METHOD__, '2.0.5', 'PermissionManager::getAgentTicketVisibility()'); |
| 532 |
|
| 533 |
return self::mapVisibilityToLegacy(self::getAgentTicketVisibility($userId)); |
| 534 |
} |
| 535 |
|
| 536 |
/** |
| 537 |
* @deprecated Use canAccessTicket() instead. |
| 538 |
*/ |
| 539 |
public static function hasTicketPermission($ticket) |
| 540 |
{ |
| 541 |
_deprecated_function(__METHOD__, '2.0.5', 'PermissionManager::canAccessTicket()'); |
| 542 |
|
| 543 |
return self::canAccessTicket($ticket); |
| 544 |
} |
| 545 |
|
| 546 |
/** |
| 547 |
* Map new VISIBILITY_* constants back to legacy string values. |
| 548 |
* |
| 549 |
* @param string $visibility |
| 550 |
* @return string 'all', 'own_plus', or 'own' |
| 551 |
*/ |
| 552 |
private static function mapVisibilityToLegacy($visibility) |
| 553 |
{ |
| 554 |
$map = [ |
| 555 |
self::VISIBILITY_ALL => 'all', |
| 556 |
self::VISIBILITY_ASSIGNED_AND_UNASSIGNED => 'own_plus', |
| 557 |
self::VISIBILITY_ASSIGNED_ONLY => 'own', |
| 558 |
]; |
| 559 |
|
| 560 |
return $map[$visibility] ?? 'own'; |
| 561 |
} |
| 562 |
} |
| 563 |
|
