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| 1 | <?php |
| 2 | /** |
| 3 | * Stats entry points outside the dashboard. |
| 4 | * |
| 5 | * @package automattic/jetpack-premium-analytics |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\PremiumAnalytics; |
| 9 | |
| 10 | /** |
| 11 | * Sends links to Stats pages (the admin bar, the post list Views column, the newsletter action bar) to the matching |
| 12 | * dashboard page instead, and opens the dashboard for `admin.php?page=stats` once no plugin registers that page. |
| 13 | * |
| 14 | * @since 0.12.0 |
| 15 | */ |
| 16 | class Stats_Links { |
| 17 | |
| 18 | /** |
| 19 | * Query arg that carries the old `#!/stats/…` route back to the server. |
| 20 | */ |
| 21 | const ROUTE_QUERY_ARG = 'stats_route'; |
| 22 | |
| 23 | /** |
| 24 | * Views of the old `#!/stats/<view>` routes, and the dashboard section each one opens. |
| 25 | */ |
| 26 | private const LEGACY_SECTIONS = array( |
| 27 | 'day' => 'traffic', |
| 28 | 'week' => 'traffic', |
| 29 | 'month' => 'traffic', |
| 30 | 'year' => 'traffic', |
| 31 | 'insights' => 'insights', |
| 32 | 'subscribers' => 'subscribers', |
| 33 | 'store' => 'woocommerce', |
| 34 | 'ads' => 'ads', |
| 35 | 'settings' => 'settings', |
| 36 | ); |
| 37 | |
| 38 | /** |
| 39 | * Claim the links. Idempotent, like the other register() calls. |
| 40 | * |
| 41 | * Outside the admin-chrome gate on purpose: the admin bar and the action bar also render on the front end, and Quick Edit re-renders the Views column over AJAX. |
| 42 | * |
| 43 | * @return void |
| 44 | */ |
| 45 | public static function register() { |
| 46 | add_filter( 'jetpack_stats_url', array( __CLASS__, 'filter_url' ), 10, 2 ); |
| 47 | add_action( 'admin_page_access_denied', array( __CLASS__, 'open_retired_stats_page' ) ); |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Open the dashboard in place of `admin.php?page=stats` once no plugin registers that page. |
| 52 | * |
| 53 | * Core fires this for every denied admin page, a registered one the user may not open included; |
| 54 | * the capability check is what keeps that user on core's 403. |
| 55 | * |
| 56 | * @return void |
| 57 | */ |
| 58 | public static function open_retired_stats_page() { |
| 59 | if ( ! self::is_retired_stats_page_request() ) { |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Only picks where to send the reader. |
| 64 | if ( isset( $_GET[ self::ROUTE_QUERY_ARG ] ) ) { |
| 65 | // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Only picks where to send the reader. |
| 66 | $route = sanitize_text_field( wp_unslash( $_GET[ self::ROUTE_QUERY_ARG ] ) ); |
| 67 | wp_safe_redirect( Analytics::dashboard_url( self::legacy_route_path( $route ) ) ); |
| 68 | exit( 0 ); |
| 69 | } |
| 70 | |
| 71 | nocache_headers(); |
| 72 | self::render_retired_stats_page(); |
| 73 | exit( 0 ); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Whether this request is for `page=stats`, with no such page registered for this user, by a user who can read Stats here. |
| 78 | * |
| 79 | * @return bool |
| 80 | */ |
| 81 | private static function is_retired_stats_page_request() { |
| 82 | // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Only picks where to send the reader. |
| 83 | $page = isset( $_GET['page'] ) ? sanitize_key( wp_unslash( $_GET['page'] ) ) : ''; |
| 84 | |
| 85 | return 'stats' === $page |
| 86 | && '' === menu_page_url( 'stats', false ) |
| 87 | && Capabilities::current_user_can_view_stats(); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Print a page that hands the old `#!/stats/…` route back to the server, since the fragment never reaches it. |
| 92 | * |
| 93 | * @return void |
| 94 | */ |
| 95 | private static function render_retired_stats_page() { |
| 96 | $script = sprintf( |
| 97 | 'window.location.replace( window.location.pathname + window.location.search + "&%s=" + encodeURIComponent( window.location.hash ) );', |
| 98 | self::ROUTE_QUERY_ARG |
| 99 | ); |
| 100 | |
| 101 | ?> |
| 102 | <!DOCTYPE html> |
| 103 | <html <?php language_attributes(); ?>> |
| 104 | <head> |
| 105 | <meta charset="<?php echo esc_attr( get_bloginfo( 'charset' ) ); ?>"> |
| 106 | <title><?php echo esc_html__( 'Stats', 'jetpack-premium-analytics-pkg' ); ?></title> |
| 107 | <noscript><meta http-equiv="refresh" content="0;url=<?php echo esc_url( Analytics::dashboard_url( '/' ) ); ?>"></noscript> |
| 108 | <?php wp_print_inline_script_tag( $script ); ?> |
| 109 | </head> |
| 110 | <body></body> |
| 111 | </html> |
| 112 | <?php |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * The dashboard route for an old `#!/stats/…` route, or its root when it has no counterpart. |
| 117 | * |
| 118 | * @param string $route The old route, e.g. `#!/stats/post/123/9`. |
| 119 | * @return string |
| 120 | */ |
| 121 | private static function legacy_route_path( $route ) { |
| 122 | if ( ! preg_match( '~^#!/stats/([^?]*)~', $route, $match ) ) { |
| 123 | return '/'; |
| 124 | } |
| 125 | |
| 126 | $segments = explode( '/', $match[1] ); |
| 127 | $view = $segments[0]; |
| 128 | |
| 129 | if ( 'post' === $view ) { |
| 130 | return self::post_path( $segments[1] ?? 0 ); |
| 131 | } |
| 132 | |
| 133 | // The email routes put the post ID after the metric and the period. |
| 134 | if ( 'email' === $view && in_array( $segments[1] ?? '', array( 'opens', 'clicks' ), true ) ) { |
| 135 | return self::post_path( $segments[3] ?? 0, 'email-' . $segments[1] ); |
| 136 | } |
| 137 | |
| 138 | return array_key_exists( $view, self::LEGACY_SECTIONS ) ? '/?section=' . self::LEGACY_SECTIONS[ $view ] : '/'; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * A post detail route, or the dashboard root when there is no real post. |
| 143 | * |
| 144 | * @param mixed $post_id The post. |
| 145 | * @param string $section The post detail tab, or '' for its default. |
| 146 | * @return string |
| 147 | */ |
| 148 | private static function post_path( $post_id, $section = '' ) { |
| 149 | $post_id = (int) $post_id; |
| 150 | |
| 151 | if ( $post_id <= 0 ) { |
| 152 | return '/'; |
| 153 | } |
| 154 | |
| 155 | return '/post/' . $post_id . ( '' === $section ? '' : '?section=' . $section ); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Point a Stats link at the dashboard page for the view it opens. |
| 160 | * |
| 161 | * @param string $url Stats URL. |
| 162 | * @param array $args The page the link opens: `view`, plus `id` for the `post` view. |
| 163 | * @return string |
| 164 | */ |
| 165 | public static function filter_url( $url, $args ) { |
| 166 | $view = is_array( $args ) ? ( $args['view'] ?? null ) : null; |
| 167 | |
| 168 | if ( 'dashboard' === $view ) { |
| 169 | return self::route_url( $url, '/' ); |
| 170 | } |
| 171 | |
| 172 | if ( 'post' === $view ) { |
| 173 | return self::post_url( $url, $args['id'] ?? 0 ); |
| 174 | } |
| 175 | |
| 176 | return $url; |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * The post detail page, or `$url` when there is no real post to show. |
| 181 | * |
| 182 | * @param string $url Stats URL for the post. |
| 183 | * @param mixed $post_id The post. |
| 184 | * @return string |
| 185 | */ |
| 186 | private static function post_url( $url, $post_id ) { |
| 187 | $post_id = (int) $post_id; |
| 188 | |
| 189 | if ( $post_id <= 0 ) { |
| 190 | return $url; |
| 191 | } |
| 192 | |
| 193 | return self::route_url( $url, '/post/' . $post_id ); |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * A dashboard route, or `$url` for a user who cannot read Stats there. |
| 198 | * |
| 199 | * Wins even where the link would otherwise point at Calypso: this dashboard is the site's |
| 200 | * analytics UI and exists only in wp-admin, so the admin-interface preference doesn't apply. |
| 201 | * Checked here even where the caller already gates on the same primitives: the filter is public. |
| 202 | * |
| 203 | * @param string $url Stats URL. |
| 204 | * @param string $path Dashboard route. |
| 205 | * @return string |
| 206 | */ |
| 207 | private static function route_url( $url, $path ) { |
| 208 | if ( ! Capabilities::current_user_can_view_stats() ) { |
| 209 | return $url; |
| 210 | } |
| 211 | |
| 212 | return Analytics::dashboard_url( $path ); |
| 213 | } |
| 214 | } |