Pull request 2100: v0.107.42-rc

Squashed commit of the following:

commit 284190f748345c7556e60b67f051ec5f6f080948
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Dec 6 19:36:00 2023 +0300

    all: sync with master; upd chlog

internal/next/websvc/config.go

@@ -0,0 +1,79 @@
+package websvc
+
+import (
+	"crypto/tls"
+	"io/fs"
+	"net/netip"
+	"time"
+)
+
+// Config is the AdGuard Home web service configuration structure.
+type Config struct {
+	// Pprof is the configuration for the pprof debug API.  It must not be nil.
+	Pprof *PprofConfig
+
+	// ConfigManager is used to show information about services as well as
+	// dynamically reconfigure them.
+	ConfigManager ConfigManager
+
+	// Frontend is the filesystem with the frontend and other statically
+	// compiled files.
+	Frontend fs.FS
+
+	// TLS is the optional TLS configuration.  If TLS is not nil,
+	// SecureAddresses must not be empty.
+	TLS *tls.Config
+
+	// Start is the time of start of AdGuard Home.
+	Start time.Time
+
+	// OverrideAddress is the initial or override address for the HTTP API.  If
+	// set, it is used instead of [Addresses] and [SecureAddresses].
+	OverrideAddress netip.AddrPort
+
+	// Addresses are the addresses on which to serve the plain HTTP API.
+	Addresses []netip.AddrPort
+
+	// SecureAddresses are the addresses on which to serve the HTTPS API.  If
+	// SecureAddresses is not empty, TLS must not be nil.
+	SecureAddresses []netip.AddrPort
+
+	// Timeout is the timeout for all server operations.
+	Timeout time.Duration
+
+	// ForceHTTPS tells if all requests to Addresses should be redirected to a
+	// secure address instead.
+	//
+	// TODO(a.garipov): Use; define rules, which address to redirect to.
+	ForceHTTPS bool
+}
+
+// PprofConfig is the configuration for the pprof debug API.
+type PprofConfig struct {
+	Port    uint16 `yaml:"port"`
+	Enabled bool   `yaml:"enabled"`
+}
+
+// Config returns the current configuration of the web service.  Config must not
+// be called simultaneously with Start.  If svc was initialized with ":0"
+// addresses, addrs will not return the actual bound ports until Start is
+// finished.
+func (svc *Service) Config() (c *Config) {
+	c = &Config{
+		Pprof: &PprofConfig{
+			Port:    svc.pprofPort,
+			Enabled: svc.pprof != nil,
+		},
+		ConfigManager: svc.confMgr,
+		TLS:           svc.tls,
+		// Leave Addresses and SecureAddresses empty and get the actual
+		// addresses that include the :0 ones later.
+		Start:      svc.start,
+		Timeout:    svc.timeout,
+		ForceHTTPS: svc.forceHTTPS,
+	}
+
+	c.Addresses, c.SecureAddresses = svc.addrs()
+
+	return c
+}