Replace phpinfo with server info block

Author: tijmenbruggeman

src/class-tiny-diagnostics.php

@@ -64,13 +64,46 @@ public function collect_info() {
 		$info = array(
 			'timestamp' => current_time( 'Y-m-d H:i:s' ),
 			'site_info' => self::get_site_info(),
+			'server_info' => self::get_server_info(),
 			'active_plugins' => self::get_active_plugins(),
 			'tiny_info' => $this->get_tiny_info(),
 			'image_sizes' => $this->settings->get_active_tinify_sizes(),
 		);
 
 		return $info;
 	}
+	
+	/**
+	 * Gets server information.
+	 * We have considered phpinfo but this would be a security concern
+	 * as it contains a lot of information we probably do not need.
+	 * Whenever support needs more server information, we can manually
+	 * add it here.
+	 *
+	 * @since 3.7.0
+	 *
+	 * @return array Server information.
+	 */
+	private static function get_server_info() {
+		global $wpdb;
+
+		return array(
+			'php_version' => phpversion(),
+			'server_software' => isset( $_SERVER['SERVER_SOFTWARE'] ) ?
+				sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) :
+				'Unknown',
+			'mysql_version' => $wpdb->db_version(),
+			'max_execution_time' => ini_get( 'max_execution_time' ),
+			'memory_limit' => ini_get( 'memory_limit' ),
+			'post_max_size' => ini_get( 'post_max_size' ),
+			'upload_max_filesize' => ini_get( 'upload_max_filesize' ),
+			'max_input_vars' => ini_get( 'max_input_vars' ),
+			'curl_version' => function_exists( 'curl_version' ) ?
+				curl_version()['version'] :
+				'Not available',
+			'disabled_functions' => ini_get( 'disable_functions' ),
+		);
+	}
 
 	/**
 	 * Gets site information.
@@ -184,15 +217,6 @@ public function create_diagnostic_zip() {
 		$info = self::collect_info();
 		$zip->addFromString( 'tiny-diagnostics.json', wp_json_encode( $info, JSON_PRETTY_PRINT ) );
 
-		// Add phpinfo HTML.
-		ob_start();
-		phpinfo( INFO_GENERAL );
-		phpinfo( INFO_CONFIGURATION );
-		phpinfo( INFO_MODULES );
-		$phpinfo_html = ob_get_clean();
-		$zip->addFromString( 'phpinfo.html', $phpinfo_html );
-
-		// Add log files.
 		$logger = Tiny_Logger::get_instance();
 		$log_files = $logger->get_log_files();
 

test/unit/Tiny_Diagnostics_Test.php

@@ -29,6 +29,7 @@ public function test_collect_info_returns_info()
 		assertArrayHasKey('timestamp', $info);
 		assertArrayHasKey('site_info', $info);
 		assertArrayHasKey('active_plugins', $info);
+		assertArrayHasKey('server_info', $info);
 		assertArrayHasKey('tiny_info', $info);
 		assertArrayHasKey('image_sizes', $info);
 	}