wordpress-seo / admin / roles / class-abstract-role-manager.php

class-abstract-role-manager.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 18.4, at admin/roles/class-abstract-role-manager.php

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1	<?php
2	/**
3	* WPSEO plugin file.
4	*
5	* @package WPSEO\Admin\Roles
6	*/
7
8	/**
9	* Abstract Role Manager template.
10	*/
11	abstract class WPSEO_Abstract_Role_Manager implements WPSEO_Role_Manager {
12
13	/**
14	* Registered roles.
15	*
16	* @var array
17	*/
18	protected $roles = [];
19
20	/**
21	* Registers a role.
22	*
23	* @param string $role Role to register.
24	* @param string $display_name Display name to use.
25	* @param string\|null $template Optional. Role to base the new role on.
26	*
27	* @return void
28	*/
29	public function register( $role, $display_name, $template = null ) {
30	$this->roles[ $role ] = (object) [
31	'display_name' => $display_name,
32	'template' => $template,
33	];
34	}
35
36	/**
37	* Returns the list of registered roles.
38	*
39	* @return string[] List or registered roles.
40	*/
41	public function get_roles() {
42	return array_keys( $this->roles );
43	}
44
45	/**
46	* Adds the registered roles.
47	*
48	* @return void
49	*/
50	public function add() {
51	foreach ( $this->roles as $role => $data ) {
52	$capabilities = $this->get_capabilities( $data->template );
53	$capabilities = $this->filter_existing_capabilties( $role, $capabilities );
54
55	$this->add_role( $role, $data->display_name, $capabilities );
56	}
57	}
58
59	/**
60	* Removes the registered roles.
61	*
62	* @return void
63	*/
64	public function remove() {
65	$roles = array_keys( $this->roles );
66	array_map( [ $this, 'remove_role' ], $roles );
67	}
68
69	/**
70	* Returns the capabilities for the specified role.
71	*
72	* @param string $role Role to fetch capabilities from.
73	*
74	* @return array List of capabilities.
75	*/
76	protected function get_capabilities( $role ) {
77	if ( ! is_string( $role ) \|\| empty( $role ) ) {
78	return [];
79	}
80
81	$wp_role = get_role( $role );
82	if ( ! $wp_role ) {
83	return [];
84	}
85
86	return $wp_role->capabilities;
87	}
88
89	/**
90	* Returns true if the capability exists on the role.
91	*
92	* @param WP_Role $role Role to check capability against.
93	* @param string $capability Capability to check.
94	*
95	* @return bool True if the capability is defined for the role.
96	*/
97	protected function capability_exists( WP_Role $role, $capability ) {
98	return ! array_key_exists( $capability, $role->capabilities );
99	}
100
101	/**
102	* Filters out capabilities that are already set for the role.
103	*
104	* This makes sure we don't override configurations that have been previously set.
105	*
106	* @param string $role The role to check against.
107	* @param array $capabilities The capabilities that should be set.
108	*
109	* @return array Capabilties that can be safely set.
110	*/
111	protected function filter_existing_capabilties( $role, array $capabilities ) {
112	if ( $capabilities === [] ) {
113	return $capabilities;
114	}
115
116	$wp_role = get_role( $role );
117	if ( ! $wp_role ) {
118	return $capabilities;
119	}
120
121	foreach ( $capabilities as $capability => $grant ) {
122	if ( $this->capability_exists( $wp_role, $capability ) ) {
123	unset( $capabilities[ $capability ] );
124	}
125	}
126
127	return $capabilities;
128	}
129
130	/**
131	* Adds a role to the system.
132	*
133	* @param string $role Role to add.
134	* @param string $display_name Name to display for the role.
135	* @param array $capabilities Capabilities to add to the role.
136	*
137	* @return void
138	*/
139	abstract protected function add_role( $role, $display_name, array $capabilities = [] );
140
141	/**
142	* Removes a role from the system.
143	*
144	* @param string $role Role to remove.
145	*
146	* @return void
147	*/
148	abstract protected function remove_role( $role );
149	}
150