easyfonts / src / Admin / AdminPage.php

AdminPage.php in EasyFonts – Host Google Fonts Locally, Fast & Auto-Optimize, GDPR Compliant 2.0.2, at src/Admin/AdminPage.php

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1	<?php
2	/**
3	* Admin page — hosts the React single-page app.
4	*
5	* @package EasyFonts
6	*/
7
8	namespace EasyFonts\Admin;
9
10	defined( 'ABSPATH' ) \|\| exit;
11
12	/**
13	* Registers the menu and mounts the SPA.
14	*/
15	class AdminPage {
16
17	const SLUG = 'easyfonts';
18
19	/**
20	* Register hooks.
21	*/
22	public function boot(): void {
23	add_action( 'admin_menu', array( $this, 'menu' ) );
24	add_action( 'admin_enqueue_scripts', array( $this, 'assets' ) );
25	add_filter( 'plugin_action_links_' . EASYFONTS_BASENAME, array( $this, 'action_links' ) );
26	add_action( 'admin_notices', array( $this, 'conflict_notice' ) );
27	}
28
29	/**
30	* Warn when OMGF (free or Pro) is active alongside Easy Fonts. Running both
31	* means two plugins rewrite the same Google Fonts — duplicate work, possible
32	* double <link>/preload, and conflicting caches. We advise deactivating OMGF.
33	* Shown on all admin screens (so it's seen), dismissible per-user.
34	*/
35	public function conflict_notice(): void {
36	if ( ! current_user_can( 'activate_plugins' ) ) {
37	return;
38	}
39
40	if ( ! function_exists( 'is_plugin_active' ) ) {
41	require_once ABSPATH . 'wp-admin/includes/plugin.php';
42	}
43
44	$omgf = array(
45	'host-webfonts-local/host-webfonts-local.php', // OMGF (free)
46	'host-google-fonts-pro/host-google-fonts-pro.php', // OMGF Pro
47	);
48
49	$active = array();
50	foreach ( $omgf as $plugin ) {
51	if ( is_plugin_active( $plugin ) ) {
52	$active[] = $plugin;
53	}
54	}
55
56	if ( empty( $active ) ) {
57	return;
58	}
59
60	echo '<div class="notice notice-warning"><p>';
61	echo '<strong>' . esc_html__( 'Easy Fonts:', 'easyfonts' ) . '</strong> ';
62	echo esc_html__( 'OMGF is also active. Running two Google-Fonts optimizers at once causes duplicate processing and conflicting font output. Please deactivate OMGF and let Easy Fonts handle your fonts.', 'easyfonts' );
63	echo ' ';
64
65	// One-click deactivate link for the first detected OMGF plugin.
66	$deactivate = wp_nonce_url(
67	self_admin_url( 'plugins.php?action=deactivate&plugin=' . rawurlencode( $active[0] ) ),
68	'deactivate-plugin_' . $active[0]
69	);
70	echo '<a href="' . esc_url( $deactivate ) . '" class="button button-small" style="margin-left:4px;">'
71	. esc_html__( 'Deactivate OMGF', 'easyfonts' ) . '</a>';
72	echo '</p></div>';
73	}
74
75	/**
76	* Add the menu entry.
77	*/
78	public function menu(): void {
79	add_menu_page(
80	__( 'Easy Fonts', 'easyfonts' ),
81	__( 'Easy Fonts', 'easyfonts' ),
82	'manage_options',
83	self::SLUG,
84	array( $this, 'render' ),
85	self::menu_icon(),
86	81
87	);
88	}
89
90	/**
91	* Stylized "E" mark as a data-URI SVG for the admin menu. Uses the default
92	* WordPress menu-icon grey so it sits naturally among the other sidebar
93	* icons (WordPress doesn't recolor data-URI icons per state).
94	*
95	* @return string
96	*/
97	private static function menu_icon(): string {
98	$svg = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">'
99	. '<path fill="#a7aaad" d="M5 4H19V7.4H9V10.5H17V13.9H9V17H19V20H5Z"/></svg>';
100
101	return 'data:image/svg+xml;base64,' . base64_encode( $svg ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
102	}
103
104	/**
105	* Settings link on the plugins list.
106	*
107	* @param string[] $links Links.
108	* @return string[]
109	*/
110	public function action_links( array $links ): array {
111	$url = admin_url( 'admin.php?page=' . self::SLUG );
112	array_unshift( $links, '<a href="' . esc_url( $url ) . '">' . esc_html__( 'Settings', 'easyfonts' ) . '</a>' );
113
114	return $links;
115	}
116
117	/**
118	* Mount point.
119	*/
120	public function render(): void {
121	// WordPress relocates admin notices to just after the first heading
122	// inside .wrap (via its notice/updates JS). To keep stray notices
123	// (SEO plugins, etc.) OUT of our app container, we provide a decoy
124	// screen-reader heading + an explicit .wp-header-end anchor at the very
125	// top of .wrap. WordPress targets those, so notices land here — above
126	// and outside the Easy Fonts UI — instead of breaking our <h1>.
127	echo '<div class="wrap">'
128	. '<h1 class="screen-reader-text">' . esc_html__( 'Easy Fonts', 'easyfonts' ) . '</h1>'
129	. '<hr class="wp-header-end" style="margin:0;border:0;height:0;">'
130	. '<div id="easyfonts-admin-root">'
131	. '<noscript>' . esc_html__( 'Easy Fonts requires JavaScript.', 'easyfonts' ) . '</noscript>'
132	. '</div></div>';
133	}
134
135	/**
136	* Enqueue the compiled admin bundle on our page only.
137	*
138	* @param string $hook Current admin page hook.
139	*/
140	public function assets( string $hook ): void {
141	if ( 'toplevel_page_' . self::SLUG !== $hook ) {
142	return;
143	}
144
145	$dist = EASYFONTS_DIR . 'assets/admin/dist/';
146	$url = EASYFONTS_URL . 'assets/admin/dist/';
147
148	$deps = array();
149	$version = EASYFONTS_VERSION;
150
151	// @wordpress/scripts convention: index.asset.php returns deps + version.
152	$asset_file = $dist . 'index.asset.php';
153
154	if ( is_readable( $asset_file ) ) {
155	$asset = include $asset_file;
156	$deps = $asset['dependencies'] ?? array();
157	$version = $asset['version'] ?? $version;
158	}
159
160	if ( is_readable( $dist . 'index.js' ) ) {
161	wp_enqueue_script( 'easyfonts-admin', $url . 'index.js', $deps, $version, true );
162
163	wp_localize_script(
164	'easyfonts-admin',
165	'EasyFontsAdmin',
166	array(
167	'root' => esc_url_raw( rest_url( 'easyfonts/v1' ) ),
168	'nonce' => wp_create_nonce( 'wp_rest' ),
169	'version' => EASYFONTS_VERSION,
170	'siteUrl' => home_url(),
171	'optimizer' => self::optimizer_cta(),
172	)
173	);
174	}
175
176	if ( is_readable( $dist . 'index.css' ) ) {
177	wp_enqueue_style( 'easyfonts-admin', $url . 'index.css', array(), $version );
178	}
179
180	if ( is_readable( $dist . 'style-index.css' ) ) {
181	wp_enqueue_style( 'easyfonts-admin-style', $url . 'style-index.css', array(), $version );
182	}
183
184	// Bundled admin fonts (Public Sans + JetBrains Mono, latin woff2), served
185	// locally from the plugin. Injected here so the URL resolves to the real
186	// plugin location; attached to whichever admin stylesheet handle exists.
187	$handle = wp_style_is( 'easyfonts-admin-style', 'enqueued' ) ? 'easyfonts-admin-style'
188	: ( wp_style_is( 'easyfonts-admin', 'enqueued' ) ? 'easyfonts-admin' : '' );
189
190	if ( '' !== $handle ) {
191	wp_add_inline_style( $handle, self::font_face_css() );
192	}
193	}
194
195	/**
196	* Smart CTA for the sibling Easy Optimizer plugin. Three states:
197	* - not installed → link to the plugin-install search (user installs it).
198	* - installed but inactive → one-click (nonce'd) activation link.
199	* - active → link straight to its settings screen.
200	*
201	* We deliberately do NOT auto-install/activate via AJAX: installing another
202	* plugin requires the user's explicit action on the standard WordPress
203	* screen (caps + nonces + .org guidelines). This just routes them correctly.
204	*
205	* @return array{label:string,url:string,state:string}
206	*/
207	/**
208	* CTA for the sibling Easy Optimizer plugin. Two states:
209	* - active → link to its settings screen.
210	* - not active (not installed OR installed-inactive) → link to the
211	* plugin-install search, where the user installs and/or activates it
212	* themselves on the standard WordPress screen.
213	*
214	* URLs are NOT passed through esc_url_raw() here: that converts & into
215	* & entities, which then arrive literally in the href and break the
216	* page ("link has expired"). React escapes the href safely on output.
217	*
218	* @return array{label:string,url:string,state:string}
219	*/
220	private static function optimizer_cta(): array {
221	$slug = 'easy-optimizer/easy-optimizer.php';
222
223	if ( ! function_exists( 'is_plugin_active' ) ) {
224	require_once ABSPATH . 'wp-admin/includes/plugin.php';
225	}
226
227	if ( is_plugin_active( $slug ) ) {
228	return array(
229	'label' => __( 'Open Easy Optimizer', 'easyfonts' ),
230	'url' => admin_url( 'admin.php?page=easy-optimizer' ),
231	'state' => 'active',
232	);
233	}
234
235	// Not active (whether installed or not) → send them to the install /
236	// activate search screen and let them do it there.
237	return array(
238	'label' => __( 'Activate Easy Optimizer', 'easyfonts' ),
239	'url' => self_admin_url( 'plugin-install.php?s=speed%2520optimizer%2520by%2520fluxpress&tab=search&type=term' ),
240	'state' => 'install',
241	);
242	}
243
244	/**
245	* @font-face declarations for the bundled admin fonts.
246	*
247	* @return string
248	*/
249	private static function font_face_css(): string {
250	$base = esc_url_raw( EASYFONTS_URL . 'assets/admin/fonts/' );
251	$out = '';
252
253	$faces = array(
254	array( 'Public Sans', 400, 'public-sans-latin-400-normal.woff2' ),
255	array( 'Public Sans', 500, 'public-sans-latin-500-normal.woff2' ),
256	array( 'Public Sans', 600, 'public-sans-latin-600-normal.woff2' ),
257	array( 'Public Sans', 700, 'public-sans-latin-700-normal.woff2' ),
258	array( 'Public Sans', 800, 'public-sans-latin-800-normal.woff2' ),
259	array( 'JetBrains Mono', 400, 'jetbrains-mono-latin-400-normal.woff2' ),
260	array( 'JetBrains Mono', 500, 'jetbrains-mono-latin-500-normal.woff2' ),
261	array( 'JetBrains Mono', 600, 'jetbrains-mono-latin-600-normal.woff2' ),
262	array( 'JetBrains Mono', 700, 'jetbrains-mono-latin-700-normal.woff2' ),
263	);
264
265	foreach ( $faces as $face ) {
266	$out .= sprintf(
267	"@font-face{font-family:'%s';font-style:normal;font-weight:%d;font-display:swap;src:url('%s%s') format('woff2');}",
268	$face[0],
269	$face[1],
270	$base,
271	$face[2]
272	);
273	}
274
275	return $out;
276	}
277	}
278