chore(lint): add revive linter and fix issues

- Export returned struct types
- Do not export interfaces for other packages to use

.golangci.yml

@@ -51,6 +51,7 @@ linters:
     - nolintlint
     - prealloc
     - predeclared
+    - revive
     - rowserrcheck
     - exportloopref
     - sqlclosecheck

internal/data/data.go

@@ -6,15 +6,15 @@ import (
 	"github.com/qdm12/ddns-updater/internal/records"
 )
 
-type database struct {
+type Database struct {
 	data []records.Record
 	sync.RWMutex
 	persistentDB PersistentDatabase
 }
 
 // NewDatabase creates a new in memory database.
-func NewDatabase(data []records.Record, persistentDB PersistentDatabase) *database {
-	return &database{
+func NewDatabase(data []records.Record, persistentDB PersistentDatabase) *Database {
+	return &Database{
 		data:         data,
 		persistentDB: persistentDB,
 	}

internal/data/memory.go

@@ -6,7 +6,7 @@ import (
 	"github.com/qdm12/ddns-updater/internal/records"
 )
 
-func (db *database) Select(id int) (record records.Record, err error) {
+func (db *Database) Select(id int) (record records.Record, err error) {
 	db.RLock()
 	defer db.RUnlock()
 	if id < 0 {
@@ -18,7 +18,7 @@ func (db *database) Select(id int) (record records.Record, err error) {
 	return db.data[id], nil
 }
 
-func (db *database) SelectAll() (records []records.Record) {
+func (db *Database) SelectAll() (records []records.Record) {
 	db.RLock()
 	defer db.RUnlock()
 	return db.data

internal/data/persistence.go

@@ -7,11 +7,11 @@ import (
 	"github.com/qdm12/ddns-updater/internal/records"
 )
 
-func (db *database) GetEvents(domain, host string) (events []models.HistoryEvent, err error) {
+func (db *Database) GetEvents(domain, host string) (events []models.HistoryEvent, err error) {
 	return db.persistentDB.GetEvents(domain, host)
 }
 
-func (db *database) Update(id int, record records.Record) (err error) {
+func (db *Database) Update(id int, record records.Record) (err error) {
 	db.Lock()
 	defer db.Unlock()
 	if id < 0 {
@@ -37,7 +37,7 @@ func (db *database) Update(id int, record records.Record) (err error) {
 	return nil
 }
 
-func (db *database) Close() (err error) {
+func (db *Database) Close() (err error) {
 	db.Lock() // ensure write operation finishes
 	defer db.Unlock()
 	return db.persistentDB.Close()

internal/health/client.go

@@ -14,13 +14,13 @@ func IsClientMode(args []string) bool {
 	return len(args) > 1 && args[1] == "healthcheck"
 }
 
-type client struct {
+type Client struct {
 	*http.Client
 }
 
-func NewClient() *client {
+func NewClient() *Client {
 	const timeout = 5 * time.Second
-	return &client{
+	return &Client{
 		Client: &http.Client{Timeout: timeout},
 	}
 }
@@ -29,7 +29,7 @@ var ErrParseHealthServerAddress = errors.New("cannot parse health server address
 
 // Query sends an HTTP request to the other instance of
 // the program, and to its internal healthcheck server.
-func (c *client) Query(ctx context.Context, port uint16) error {
+func (c *Client) Query(ctx context.Context, port uint16) error {
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, "http://127.0.0.1:"+strconv.Itoa(int(port)), nil)
 	if err != nil {
 		return err

internal/health/server.go

@@ -8,22 +8,22 @@ import (
 	"github.com/qdm12/golibs/logging"
 )
 
-type server struct {
+type Server struct {
 	address string
 	logger  logging.Logger
 	handler http.Handler
 }
 
-func NewServer(address string, logger logging.Logger, healthcheck func() error) *server {
+func NewServer(address string, logger logging.Logger, healthcheck func() error) *Server {
 	handler := newHandler(logger, healthcheck)
-	return &server{
+	return &Server{
 		address: address,
 		logger:  logger,
 		handler: handler,
 	}
 }
 
-func (s *server) Run(ctx context.Context, done chan<- struct{}) {
+func (s *Server) Run(ctx context.Context, done chan<- struct{}) {
 	defer close(done)
 	server := http.Server{
 		Addr:              s.address,

internal/params/json.go

@@ -29,7 +29,7 @@ type commonSettings struct {
 
 // JSONSettings obtain the update settings from the JSON content, first trying from the environment variable CONFIG
 // and then from the file config.json.
-func (r *reader) JSONSettings(filePath string) (
+func (r *Reader) JSONSettings(filePath string) (
 	allSettings []settings.Settings, warnings []string, err error) {
 	allSettings, warnings, err = r.getSettingsFromEnv(filePath)
 	if allSettings != nil || warnings != nil || err != nil {
@@ -41,7 +41,7 @@ func (r *reader) JSONSettings(filePath string) (
 var errWriteConfigToFile = errors.New("cannot write configuration to file")
 
 // getSettingsFromFile obtain the update settings from config.json.
-func (r *reader) getSettingsFromFile(filePath string) (
+func (r *Reader) getSettingsFromFile(filePath string) (
 	allSettings []settings.Settings, warnings []string, err error) {
 	r.logger.Info("reading JSON config from file " + filePath)
 	bytes, err := r.readFile(filePath)
@@ -67,7 +67,7 @@ func (r *reader) getSettingsFromFile(filePath string) (
 
 // getSettingsFromEnv obtain the update settings from the environment variable CONFIG.
 // If the settings are valid, they are written to the filePath.
-func (r *reader) getSettingsFromEnv(filePath string) (
+func (r *Reader) getSettingsFromEnv(filePath string) (
 	allSettings []settings.Settings, warnings []string, err error) {
 	s, err := r.env.Get("CONFIG", params.CaseSensitiveValue())
 	if err != nil {
@@ -132,7 +132,7 @@ func extractAllSettings(jsonBytes []byte) (
 }
 
 func makeSettingsFromObject(common commonSettings, rawSettings json.RawMessage,
-	matcher regex.Matcher) (
+	matcher *regex.Matcher) (
 	settingsSlice []settings.Settings, warnings []string, err error) {
 	provider := models.Provider(common.Provider)
 	if provider == constants.DuckDNS { // only hosts, no domain

internal/params/reader.go

@@ -8,15 +8,15 @@ import (
 	"github.com/qdm12/golibs/params"
 )
 
-type reader struct {
+type Reader struct {
 	logger    logging.Logger
 	env       envInterface
 	readFile  func(filename string) ([]byte, error)
 	writeFile func(filename string, data []byte, perm fs.FileMode) (err error)
 }
 
-func NewReader(logger logging.Logger) *reader {
-	return &reader{
+func NewReader(logger logging.Logger) *Reader {
+	return &Reader{
 		logger:    logger,
 		env:       params.New(),
 		readFile:  os.ReadFile,

internal/regex/regex.go

@@ -2,19 +2,7 @@ package regex
 
 import "regexp"
 
-type Matcher interface {
-	GandiKey(s string) bool
-	GodaddyKey(s string) bool
-	DuckDNSToken(s string) bool
-	NamecheapPassword(s string) bool
-	DreamhostKey(s string) bool
-	CloudflareKey(s string) bool
-	CloudflareUserServiceKey(s string) bool
-	DNSOMaticUsername(s string) bool
-	DNSOMaticPassword(s string) bool
-}
-
-type matcher struct {
+type Matcher struct {
 	goDaddyKey, duckDNSToken, namecheapPassword, dreamhostKey, cloudflareKey,
 	cloudflareUserServiceKey, dnsOMaticUsername, dnsOMaticPassword, gandiKey *regexp.Regexp
 }
@@ -31,8 +19,8 @@ var (
 	dnsOMaticPassword        = regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9._-]{5,19}$`)
 )
 
-func NewMatcher() *matcher {
-	return &matcher{
+func NewMatcher() *Matcher {
+	return &Matcher{
 		gandiKey:                 gandiKey,
 		goDaddyKey:               goDaddyKey,
 		duckDNSToken:             duckDNSToken,
@@ -45,14 +33,14 @@ func NewMatcher() *matcher {
 	}
 }
 
-func (m *matcher) GandiKey(s string) bool          { return m.gandiKey.MatchString(s) }
-func (m *matcher) GodaddyKey(s string) bool        { return m.goDaddyKey.MatchString(s) }
-func (m *matcher) DuckDNSToken(s string) bool      { return m.duckDNSToken.MatchString(s) }
-func (m *matcher) NamecheapPassword(s string) bool { return m.namecheapPassword.MatchString(s) }
-func (m *matcher) DreamhostKey(s string) bool      { return m.dreamhostKey.MatchString(s) }
-func (m *matcher) CloudflareKey(s string) bool     { return m.cloudflareKey.MatchString(s) }
-func (m *matcher) CloudflareUserServiceKey(s string) bool {
+func (m *Matcher) GandiKey(s string) bool          { return m.gandiKey.MatchString(s) }
+func (m *Matcher) GodaddyKey(s string) bool        { return m.goDaddyKey.MatchString(s) }
+func (m *Matcher) DuckDNSToken(s string) bool      { return m.duckDNSToken.MatchString(s) }
+func (m *Matcher) NamecheapPassword(s string) bool { return m.namecheapPassword.MatchString(s) }
+func (m *Matcher) DreamhostKey(s string) bool      { return m.dreamhostKey.MatchString(s) }
+func (m *Matcher) CloudflareKey(s string) bool     { return m.cloudflareKey.MatchString(s) }
+func (m *Matcher) CloudflareUserServiceKey(s string) bool {
 	return m.cloudflareUserServiceKey.MatchString(s)
 }
-func (m *matcher) DNSOMaticUsername(s string) bool { return m.dnsOMaticUsername.MatchString(s) }
-func (m *matcher) DNSOMaticPassword(s string) bool { return m.dnsOMaticPassword.MatchString(s) }
+func (m *Matcher) DNSOMaticUsername(s string) bool { return m.dnsOMaticUsername.MatchString(s) }
+func (m *Matcher) DNSOMaticPassword(s string) bool { return m.dnsOMaticPassword.MatchString(s) }

internal/server/server.go

@@ -8,23 +8,23 @@ import (
 	"github.com/qdm12/golibs/logging"
 )
 
-type server struct {
+type Server struct {
 	address string
 	logger  logging.Logger
 	handler http.Handler
 }
 
 func New(ctx context.Context, address, rootURL string, db Database,
-	logger logging.Logger, runner UpdateForcer) *server {
+	logger logging.Logger, runner UpdateForcer) *Server {
 	handler := newHandler(ctx, rootURL, db, runner)
-	return &server{
+	return &Server{
 		address: address,
 		logger:  logger,
 		handler: handler,
 	}
 }
 
-func (s *server) Run(ctx context.Context, done chan<- struct{}) {
+func (s *Server) Run(ctx context.Context, done chan<- struct{}) {
 	defer close(done)
 	server := http.Server{
 		Addr:              s.address,

internal/settings/common/interfaces.go

@@ -0,0 +1,13 @@
+package common
+
+type Matcher interface {
+	GandiKey(s string) bool
+	GodaddyKey(s string) bool
+	DuckDNSToken(s string) bool
+	NamecheapPassword(s string) bool
+	DreamhostKey(s string) bool
+	CloudflareKey(s string) bool
+	CloudflareUserServiceKey(s string) bool
+	DNSOMaticUsername(s string) bool
+	DNSOMaticPassword(s string) bool
+}

internal/settings/constants/providers.go

@@ -10,7 +10,7 @@ const (
 	Dd24         models.Provider = "dd24"
 	DdnssDe      models.Provider = "ddnss"
 	DigitalOcean models.Provider = "digitalocean"
-	DnsOMatic    models.Provider = "dnsomatic"
+	DNSOMatic    models.Provider = "dnsomatic"
 	DNSPod       models.Provider = "dnspod"
 	DonDominio   models.Provider = "dondominio"
 	Dreamhost    models.Provider = "dreamhost"
@@ -47,7 +47,7 @@ func ProviderChoices() []models.Provider {
 		Dd24,
 		DdnssDe,
 		DigitalOcean,
-		DnsOMatic,
+		DNSOMatic,
 		DNSPod,
 		DonDominio,
 		Dreamhost,

internal/settings/errors/validation.go

@@ -3,17 +3,17 @@ package errors
 import "errors"
 
 var (
-	ErrEmptyApiKey             = errors.New("empty API key")
+	ErrEmptyAPIKey             = errors.New("empty API key")
 	ErrEmptyAppKey             = errors.New("empty app key")
 	ErrEmptyConsumerKey        = errors.New("empty consumer key")
 	ErrEmptyEmail              = errors.New("empty email")
 	ErrEmptyKey                = errors.New("empty key")
 	ErrEmptyName               = errors.New("empty name")
 	ErrEmptyPassword           = errors.New("empty password")
-	ErrEmptyApiSecret          = errors.New("empty API secret")
+	ErrEmptyAPISecret          = errors.New("empty API secret")
 	ErrEmptySecret             = errors.New("empty secret")
 	ErrEmptyToken              = errors.New("empty token")
-	ErrEmptyAccessKeyId        = errors.New("empty access key id")
+	ErrEmptyAccessKeyID        = errors.New("empty access key id")
 	ErrEmptyAccessKeySecret    = errors.New("empty key secret")
 	ErrEmptyTTL                = errors.New("TTL is not set")
 	ErrEmptyUsername           = errors.New("empty username")

internal/settings/providers/aliyun/provider.go

@@ -16,30 +16,30 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain       string
 	host         string
 	ipVersion    ipversion.IPVersion
-	accessKeyId  string
+	accessKeyID  string
 	accessSecret string
 	region       string
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
-		AccessKeyId  string `json:"access_key_id"`
+		AccessKeyID  string `json:"access_key_id"`
 		AccessSecret string `json:"access_secret"`
 		Region       string `json:"region"`
 	}{}
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:       domain,
 		host:         host,
 		ipVersion:    ipVersion,
-		accessKeyId:  extraSettings.AccessKeyId,
+		accessKeyID:  extraSettings.AccessKeyID,
 		accessSecret: extraSettings.AccessSecret,
 		region:       "cn-hangzhou",
 	}
@@ -52,41 +52,41 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
-	case p.accessKeyId == "":
-		return errors.ErrEmptyAccessKeyId
+	case p.accessKeyID == "":
+		return errors.ErrEmptyAccessKeyID
 	case p.accessSecret == "":
 		return errors.ErrEmptyAccessKeySecret
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Aliyun, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -95,13 +95,13 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, _ *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, _ *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA
 	}
 
-	client, err := alidns.NewClientWithAccessKey(p.region, p.accessKeyId, p.accessSecret)
+	client, err := alidns.NewClientWithAccessKey(p.region, p.accessKeyID, p.accessSecret)
 	if err != nil {
 		return nil, err
 	}

internal/settings/providers/allinkl/provider.go

@@ -19,7 +19,7 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -29,7 +29,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -38,7 +38,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -52,7 +52,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case p.username == "":
 		return errors.ErrEmptyUsername
@@ -64,31 +64,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.AllInkl, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -97,7 +97,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "dyndns.kasserver.com",

internal/settings/providers/cloudflare/provider.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 	"github.com/qdm12/ddns-updater/internal/settings/headers"
@@ -20,7 +20,7 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	domain         string
 	host           string
 	ipVersion      ipversion.IPVersion
@@ -31,11 +31,11 @@ type provider struct {
 	zoneIdentifier string
 	proxied        bool
 	ttl            uint
-	matcher        regex.Matcher
+	matcher        common.Matcher
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion,
-	matcher regex.Matcher) (p *provider, err error) {
+	matcher common.Matcher) (p *Provider, err error) {
 	extraSettings := struct {
 		Key            string `json:"key"`
 		Token          string `json:"token"`
@@ -48,7 +48,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:         domain,
 		host:           host,
 		ipVersion:      ipVersion,
@@ -67,7 +67,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.key) > 0: // email and key must be provided
 		switch {
@@ -91,31 +91,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Cloudflare, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return p.proxied
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -124,7 +124,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetContentType(request, "application/json")
 	headers.SetAccept(request, "application/json")
@@ -141,7 +141,7 @@ func (p *provider) setHeaders(request *http.Request) {
 
 // Obtain domain ID.
 // See https://api.cloudflare.com/#dns-records-for-a-zone-list-dns-records.
-func (p *provider) getRecordID(ctx context.Context, client *http.Client, newIP net.IP) (
+func (p *Provider) getRecordID(ctx context.Context, client *http.Client, newIP net.IP) (
 	identifier string, upToDate bool, err error) {
 	recordType := constants.A
 	if newIP.To4() == nil {
@@ -207,7 +207,7 @@ func (p *provider) getRecordID(ctx context.Context, client *http.Client, newIP n
 	return listRecordsResponse.Result[0].ID, false, nil
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA

internal/settings/providers/dd24/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -28,7 +28,7 @@ type provider struct {
 
 func New(data json.RawMessage, domain, host string,
 	ipVersion ipversion.IPVersion) (
-	p *provider, err error) {
+	p *Provider, err error) {
 	extraSettings := struct {
 		Password      string `json:"password"`
 		UseProviderIP bool   `json:"provider_ip"`
@@ -36,7 +36,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -49,38 +49,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.password) == 0 {
 		return errors.ErrEmptyPassword
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Dd24, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -89,7 +89,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	// see https://www.domaindiscount24.com/faq/en/dynamic-dns
 	u := url.URL{
 		Scheme: "https",

internal/settings/providers/ddnss/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -28,7 +28,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -37,7 +37,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -51,7 +51,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.username) == 0:
 		return errors.ErrEmptyUsername
@@ -63,31 +63,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.DdnssDe, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -96,7 +96,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "www.ddnss.de",

internal/settings/providers/digitalocean/provider.go

@@ -17,7 +17,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
@@ -25,14 +25,14 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Token string `json:"token"`
 	}{}
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -44,38 +44,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.token) == 0 {
 		return errors.ErrEmptyToken
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.DigitalOcean, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -84,14 +84,14 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetContentType(request, "application/json")
 	headers.SetAccept(request, "application/json")
 	headers.SetAuthBearer(request, p.token)
 }
 
-func (p *provider) getRecordID(ctx context.Context, recordType string, client *http.Client) (
+func (p *Provider) getRecordID(ctx context.Context, recordType string, client *http.Client) (
 	recordID int, err error) {
 	values := url.Values{}
 	values.Set("name", utils.BuildURLQueryHostname(p.host, p.domain))
@@ -139,7 +139,7 @@ func (p *provider) getRecordID(ctx context.Context, recordType string, client *h
 	return result.DomainRecords[0].ID, nil
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil { // IPv6
 		recordType = constants.AAAA

internal/settings/providers/dnsomatic/provider.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 	"github.com/qdm12/ddns-updater/internal/settings/headers"
@@ -20,18 +20,18 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
 	username      string
 	password      string
 	useProviderIP bool
-	matcher       regex.Matcher
+	matcher       common.Matcher
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion,
-	matcher regex.Matcher) (p *provider, err error) {
+	matcher common.Matcher) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -40,7 +40,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -55,7 +55,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case !p.matcher.DNSOMaticUsername(p.username):
 		return fmt.Errorf("%w: %s", errors.ErrMalformedUsername, p.username)
@@ -69,31 +69,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
-	return utils.ToString(p.domain, p.host, constants.DnsOMatic, p.ipVersion)
+func (p *Provider) String() string {
+	return utils.ToString(p.domain, p.host, constants.DNSOMatic, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -102,7 +102,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	// Multiple hosts can be updated in one query, see https://www.dnsomatic.com/docs/api
 	u := url.URL{
 		Scheme: "https",

internal/settings/providers/dnspod/provider.go

@@ -17,7 +17,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
@@ -25,14 +25,14 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Token string `json:"token"`
 	}{}
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -44,38 +44,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.token) == 0 {
 		return errors.ErrEmptyToken
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.DNSPod, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -84,13 +84,13 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetContentType(request, "application/x-www-form-urlencoded")
 	headers.SetAccept(request, "application/json")
 	headers.SetUserAgent(request)
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA

internal/settings/providers/dondominio/provider.go

@@ -17,7 +17,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
@@ -27,7 +27,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username string `json:"username"`
 		Password string `json:"password"`
@@ -39,7 +39,7 @@ func New(data json.RawMessage, domain, host string,
 	if len(host) == 0 {
 		host = "@" // default
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -53,7 +53,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.username) == 0:
 		return errors.ErrEmptyUsername
@@ -67,31 +67,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.DonDominio, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -100,13 +100,13 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetContentType(request, "application/x-www-form-urlencoded")
 	headers.SetAccept(request, "application/json")
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "simple-api.dondominio.net",

internal/settings/providers/dreamhost/provider.go

@@ -11,7 +11,7 @@ import (
 	"net/url"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 	"github.com/qdm12/ddns-updater/internal/settings/headers"
@@ -19,16 +19,16 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
 	key       string
-	matcher   regex.Matcher
+	matcher   common.Matcher
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion,
-	matcher regex.Matcher) (p *provider, err error) {
+	matcher common.Matcher) (p *Provider, err error) {
 	extraSettings := struct {
 		Key string `json:"key"`
 	}{}
@@ -38,7 +38,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	if host == "" { // TODO-v2 remove default
 		host = "@" // default
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -51,38 +51,38 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if !p.matcher.DreamhostKey(p.key) {
 		return fmt.Errorf("invalid key format")
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Dreamhost, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -91,7 +91,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA
@@ -146,7 +146,7 @@ type (
 	}
 )
 
-func (p *provider) defaultURLValues() (values url.Values) {
+func (p *Provider) defaultURLValues() (values url.Values) {
 	uuid := make([]byte, 16) //nolint:gomnd
 	_, _ = io.ReadFull(rand.Reader, uuid)
 	//nolint:gomnd
@@ -160,7 +160,7 @@ func (p *provider) defaultURLValues() (values url.Values) {
 	return values
 }
 
-func (p *provider) getRecords(ctx context.Context, client *http.Client) (
+func (p *Provider) getRecords(ctx context.Context, client *http.Client) (
 	records dreamHostRecords, err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -198,7 +198,7 @@ func (p *provider) getRecords(ctx context.Context, client *http.Client) (
 	return records, nil
 }
 
-func (p *provider) removeRecord(ctx context.Context, client *http.Client, ip net.IP) error { //nolint:dupl
+func (p *Provider) removeRecord(ctx context.Context, client *http.Client, ip net.IP) error { //nolint:dupl
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA
@@ -245,7 +245,7 @@ func (p *provider) removeRecord(ctx context.Context, client *http.Client, ip net
 	return nil
 }
 
-func (p *provider) createRecord(ctx context.Context, client *http.Client, ip net.IP) error { //nolint:dupl
+func (p *Provider) createRecord(ctx context.Context, client *http.Client, ip net.IP) error { //nolint:dupl
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA

internal/settings/providers/duckdns/provider.go

@@ -10,7 +10,7 @@ import (
 	"net/url"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 	"github.com/qdm12/ddns-updater/internal/settings/headers"
@@ -19,16 +19,16 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	host          string
 	ipVersion     ipversion.IPVersion
 	token         string
 	useProviderIP bool
-	matcher       regex.Matcher
+	matcher       common.Matcher
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion,
-	matcher regex.Matcher) (p *provider, err error) {
+	matcher common.Matcher) (p *Provider, err error) {
 	extraSettings := struct {
 		Token         string `json:"token"`
 		UseProviderIP bool   `json:"provider_ip"`
@@ -36,7 +36,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		host:          host,
 		ipVersion:     ipVersion,
 		token:         extraSettings.Token,
@@ -49,7 +49,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if !p.matcher.DuckDNSToken(p.token) {
 		return errors.ErrMalformedToken
 	}
@@ -60,31 +60,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString("duckdns.org", p.host, constants.DuckDNS, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return "duckdns.org"
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, "duckdns.org")
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -93,7 +93,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "www.duckdns.org",

internal/settings/providers/dyn/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -28,7 +28,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -37,7 +37,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -51,7 +51,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.username) == 0:
 		return errors.ErrEmptyUsername
@@ -63,31 +63,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: Dyn]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -96,7 +96,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		User:   url.UserPassword(p.username, p.password),

internal/settings/providers/dynu/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	group         string
@@ -29,7 +29,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -44,7 +44,7 @@ func New(data json.RawMessage, domain, host string,
 		host = "@" // default
 	}
 
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -59,7 +59,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case p.username == "":
 		return errors.ErrEmptyUsername
@@ -71,31 +71,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Dynu, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -104,7 +104,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "api.dynu.com",

internal/settings/providers/dynv6/provider.go

@@ -15,7 +15,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -24,7 +24,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Token         string `json:"token"`
 		UseProviderIP bool   `json:"provider_ip"`
@@ -32,7 +32,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -45,7 +45,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.token) == 0:
 		return errors.ErrEmptyToken
@@ -55,31 +55,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: DynV6]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -88,7 +88,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	isIPv4 := ip.To4() != nil
 	host := "dynv6.com"
 	if isIPv4 {

internal/settings/providers/freedns/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
@@ -26,14 +26,14 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Token string `json:"token"`
 	}{}
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -45,38 +45,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.token) == 0 {
 		return errors.ErrEmptyToken
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.FreeDNS, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -85,7 +85,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	var hostPrefix string
 	if ip.To4() == nil {
 		hostPrefix = "v6."

internal/settings/providers/gandi/provider.go

@@ -17,7 +17,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ttl       int
@@ -26,7 +26,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Key string `json:"key"`
 		TTL int    `json:"ttl"`
@@ -34,7 +34,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -47,38 +47,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.key) == 0 {
 		return errors.ErrEmptyKey
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Gandi, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -87,14 +87,14 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetContentType(request, "application/json")
 	headers.SetAccept(request, "application/json")
 	request.Header.Set("X-Api-Key", p.key)
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	var ipStr string
 	if ip.To4() == nil { // IPv6

internal/settings/providers/godaddy/provider.go

@@ -11,7 +11,7 @@ import (
 	"net/url"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 	"github.com/qdm12/ddns-updater/internal/settings/headers"
@@ -19,17 +19,17 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
 	key       string
 	secret    string
-	matcher   regex.Matcher
+	matcher   common.Matcher
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion,
-	matcher regex.Matcher) (p *provider, err error) {
+	matcher common.Matcher) (p *Provider, err error) {
 	extraSettings := struct {
 		Key    string `json:"key"`
 		Secret string `json:"secret"`
@@ -37,7 +37,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -51,7 +51,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case !p.matcher.GodaddyKey(p.key):
 		return errors.ErrMalformedKey
@@ -61,31 +61,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.GoDaddy, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -94,14 +94,14 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetAuthSSOKey(request, p.key, p.secret)
 	headers.SetContentType(request, "application/json")
 	headers.SetAccept(request, "application/json")
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA

internal/settings/providers/google/provider.go

@@ -19,7 +19,7 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -29,7 +29,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -38,7 +38,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -52,7 +52,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.username) == 0:
 		return errors.ErrEmptyUsername
@@ -62,31 +62,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Google, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -95,7 +95,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "domains.google.com",

internal/settings/providers/he/provider.go

@@ -19,7 +19,7 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -28,7 +28,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Password      string `json:"password"`
 		UseProviderIP bool   `json:"provider_ip"`
@@ -36,7 +36,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -49,38 +49,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.password) == 0 {
 		return errors.ErrEmptyPassword
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.HE, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -89,7 +89,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	fqdn := p.BuildDomainName()
 	u := url.URL{
 		Scheme: "https",

internal/settings/providers/infomaniak/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -28,7 +28,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -37,7 +37,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -51,7 +51,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.username) == 0:
 		return errors.ErrEmptyUsername
@@ -63,31 +63,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Infomaniak, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -96,7 +96,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "infomaniak.com",

internal/settings/providers/linode/provider.go

@@ -20,7 +20,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
@@ -28,14 +28,14 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Token string `json:"token"`
 	}{}
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -47,38 +47,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.token) == 0 {
 		return errors.ErrEmptyToken
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Linode, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -88,7 +88,7 @@ func (p *provider) HTML() models.HTMLRow {
 }
 
 // Using https://www.linode.com/docs/api/domains/
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	domainID, err := p.getDomainID(ctx, client)
 	if err != nil {
 		return nil, fmt.Errorf("%w: %s", errors.ErrGetDomainID, err)
@@ -124,13 +124,13 @@ type linodeErrors struct {
 	} `json:"errors"`
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetContentType(request, "application/json")
 	headers.SetAuthBearer(request, p.token)
 }
 
-func (p *provider) getDomainID(ctx context.Context, client *http.Client) (domainID int, err error) {
+func (p *Provider) getDomainID(ctx context.Context, client *http.Client) (domainID int, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "api.linode.com",
@@ -189,7 +189,7 @@ func (p *provider) getDomainID(ctx context.Context, client *http.Client) (domain
 	return *domains[0].ID, nil
 }
 
-func (p *provider) getRecordID(ctx context.Context, client *http.Client,
+func (p *Provider) getRecordID(ctx context.Context, client *http.Client,
 	domainID int, recordType string) (recordID int, err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -236,7 +236,7 @@ func (p *provider) getRecordID(ctx context.Context, client *http.Client,
 	return 0, errors.ErrNotFound
 }
 
-func (p *provider) createRecord(ctx context.Context, client *http.Client,
+func (p *Provider) createRecord(ctx context.Context, client *http.Client,
 	domainID int, recordType string, ip net.IP) (err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -295,7 +295,7 @@ func (p *provider) createRecord(ctx context.Context, client *http.Client,
 	return nil
 }
 
-func (p *provider) updateRecord(ctx context.Context, client *http.Client,
+func (p *Provider) updateRecord(ctx context.Context, client *http.Client,
 	domainID, recordID int, ip net.IP) (err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -348,7 +348,7 @@ func (p *provider) updateRecord(ctx context.Context, client *http.Client,
 	return nil
 }
 
-func (p *provider) getError(body io.Reader) (err error) {
+func (p *Provider) getError(body io.Reader) (err error) {
 	var errorObj linodeErrors
 	b, err := io.ReadAll(body)
 	if err != nil {

internal/settings/providers/luadns/provider.go

@@ -19,7 +19,7 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	domain    string
 	host      string
 	ipVersion ipversion.IPVersion
@@ -28,7 +28,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Email string `json:"email"`
 		Token string `json:"token"`
@@ -36,7 +36,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:    domain,
 		host:      host,
 		ipVersion: ipVersion,
@@ -49,7 +49,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case !verification.NewRegex().MatchEmail(p.email):
 		return errors.ErrMalformedEmail
@@ -59,31 +59,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.LuaDNS, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -92,13 +92,13 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetAccept(request, "application/json")
 }
 
 // Using https://www.luadns.com/api.html
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	zoneID, err := p.getZoneID(ctx, client)
 	if err != nil {
 		return nil, fmt.Errorf("%w: %s", errors.ErrGetZoneID, err)
@@ -130,7 +130,7 @@ type luaDNSError struct {
 	Message string `json:"message"`
 }
 
-func (p *provider) getZoneID(ctx context.Context, client *http.Client) (zoneID int, err error) {
+func (p *Provider) getZoneID(ctx context.Context, client *http.Client) (zoneID int, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "api.luadns.com",
@@ -181,7 +181,7 @@ func (p *provider) getZoneID(ctx context.Context, client *http.Client) (zoneID i
 	return 0, errors.ErrZoneNotFound
 }
 
-func (p *provider) getRecord(ctx context.Context, client *http.Client, zoneID int, ip net.IP) (
+func (p *Provider) getRecord(ctx context.Context, client *http.Client, zoneID int, ip net.IP) (
 	record luaDNSRecord, err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -235,7 +235,7 @@ func (p *provider) getRecord(ctx context.Context, client *http.Client, zoneID in
 		errors.ErrRecordNotFound, recordType, zoneID)
 }
 
-func (p *provider) updateRecord(ctx context.Context, client *http.Client,
+func (p *Provider) updateRecord(ctx context.Context, client *http.Client,
 	zoneID int, newRecord luaDNSRecord) (err error) {
 	u := url.URL{
 		Scheme: "https",

internal/settings/providers/namecheap/provider.go

@@ -11,7 +11,7 @@ import (
 	"net/url"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 	"github.com/qdm12/ddns-updater/internal/settings/headers"
@@ -19,17 +19,17 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
 	password      string
 	useProviderIP bool
-	matcher       regex.Matcher
+	matcher       common.Matcher
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion,
-	matcher regex.Matcher) (p *provider, err error) {
+	matcher common.Matcher) (p *Provider, err error) {
 	if ipVersion == ipversion.IP6 {
 		return p, errors.ErrIPv6NotSupported
 	}
@@ -40,7 +40,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -54,38 +54,38 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if !p.matcher.NamecheapPassword(p.password) {
 		return errors.ErrMalformedPassword
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Namecheap, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -94,12 +94,12 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetAccept(request, "application/xml")
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "dynamicdns.park-your-domain.com",

internal/settings/providers/njalla/provider.go

@@ -16,7 +16,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -25,7 +25,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Key           string `json:"key"`
 		UseProviderIP bool   `json:"provider_ip"`
@@ -33,7 +33,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -46,38 +46,38 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.key) == 0 {
 		return errors.ErrEmptyKey
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.Njalla, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -86,7 +86,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "njal.la",

internal/settings/providers/noip/provider.go

@@ -19,7 +19,7 @@ import (
 	"github.com/qdm12/golibs/verification"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -29,7 +29,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -38,7 +38,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -52,7 +52,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	const maxUsernameLength = 50
 	switch {
 	case len(p.username) == 0:
@@ -67,31 +67,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString(p.domain, p.host, constants.NoIP, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -100,7 +100,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		Host:   "dynupdate.no-ip.com",

internal/settings/providers/opendns/provider.go

@@ -17,7 +17,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -27,7 +27,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -36,7 +36,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -50,7 +50,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.username) == 0:
 		return errors.ErrEmptyUsername
@@ -62,31 +62,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: Opendns]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -95,7 +95,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		User:   url.UserPassword(p.username, p.password),

internal/settings/providers/ovh/createrecord.go

@@ -11,7 +11,7 @@ import (
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 )
 
-func (p *provider) createRecord(ctx context.Context, client *http.Client,
+func (p *Provider) createRecord(ctx context.Context, client *http.Client,
 	recordType, subdomain, ipStr string, timestamp int64) (err error) {
 	u := url.URL{
 		Scheme: p.apiURL.Scheme,

internal/settings/providers/ovh/getrecords.go

@@ -10,7 +10,7 @@ import (
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 )
 
-func (p *provider) getRecords(ctx context.Context, client *http.Client,
+func (p *Provider) getRecords(ctx context.Context, client *http.Client,
 	recordType, subdomain string, timestamp int64) (recordIDs []uint64, err error) {
 	values := url.Values{}
 	values.Set("fieldType", recordType)

internal/settings/providers/ovh/headers.go

@@ -9,12 +9,12 @@ import (
 	"strconv"
 )
 
-func (p *provider) setHeaderCommon(header http.Header) {
+func (p *Provider) setHeaderCommon(header http.Header) {
 	header.Add("Accept", "application/json;charset=utf-8")
 	header.Add("X-Ovh-Application", p.appKey)
 }
 
-func (p *provider) setHeaderAuth(header http.Header, timestamp int64,
+func (p *Provider) setHeaderAuth(header http.Header, timestamp int64,
 	httpMethod string, url *url.URL, body []byte) {
 	header.Add("X-Ovh-Timestamp", strconv.Itoa(int(timestamp)))
 	header.Add("X-Ovh-Consumer", p.consumerKey)

internal/settings/providers/ovh/provider.go

@@ -20,7 +20,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -37,7 +37,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -57,7 +57,7 @@ func New(data json.RawMessage, domain, host string,
 		return nil, err
 	}
 
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -77,7 +77,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if p.mode == "api" {
 		switch {
 		case len(p.appKey) == 0:
@@ -100,31 +100,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: OVH]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -133,7 +133,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) updateWithDynHost(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) updateWithDynHost(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		User:   url.UserPassword(p.username, p.password),
@@ -187,7 +187,7 @@ var (
 	ErrRefresh         = stderrors.New("cannot refresh records")
 )
 
-func (p *provider) updateWithZoneDNS(ctx context.Context, client *http.Client, ip net.IP) (
+func (p *Provider) updateWithZoneDNS(ctx context.Context, client *http.Client, ip net.IP) (
 	newIP net.IP, err error) {
 	recordType := constants.A
 	var ipStr string
@@ -232,7 +232,7 @@ func (p *provider) updateWithZoneDNS(ctx context.Context, client *http.Client, i
 	return ip, nil
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	if p.mode != "api" {
 		return p.updateWithDynHost(ctx, client, ip)
 	}

internal/settings/providers/ovh/refresh.go

@@ -9,7 +9,7 @@ import (
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 )
 
-func (p *provider) refresh(ctx context.Context, client *http.Client, timestamp int64) (err error) {
+func (p *Provider) refresh(ctx context.Context, client *http.Client, timestamp int64) (err error) {
 	u := url.URL{
 		Scheme: p.apiURL.Scheme,
 		Host:   p.apiURL.Host,

internal/settings/providers/ovh/time.go

@@ -11,7 +11,7 @@ import (
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 )
 
-func (p *provider) getAdjustedUnixTimestamp(ctx context.Context, client *http.Client) (
+func (p *Provider) getAdjustedUnixTimestamp(ctx context.Context, client *http.Client) (
 	unix int64, err error) {
 	delta, err := p.getTimeDelta(ctx, client)
 	if err != nil {
@@ -26,7 +26,7 @@ func (p *provider) getAdjustedUnixTimestamp(ctx context.Context, client *http.Cl
 // getTimeDelta obtains the delta between the OVH server time and this machine time.
 // If it is the first time executing, it fetches the time from OVH servers to calculate the
 // delta. Otherwise, it uses the delta calculated previously.
-func (p *provider) getTimeDelta(ctx context.Context, client *http.Client) (delta time.Duration, err error) {
+func (p *Provider) getTimeDelta(ctx context.Context, client *http.Client) (delta time.Duration, err error) {
 	if p.serverDelta > 0 {
 		return p.serverDelta, nil
 	}
@@ -41,7 +41,7 @@ func (p *provider) getTimeDelta(ctx context.Context, client *http.Client) (delta
 	return p.serverDelta, nil
 }
 
-func (p *provider) getOVHTime(ctx context.Context, client *http.Client) (ovhTime time.Time, err error) {
+func (p *Provider) getOVHTime(ctx context.Context, client *http.Client) (ovhTime time.Time, err error) {
 	u := url.URL{
 		Scheme: p.apiURL.Scheme,
 		Host:   p.apiURL.Host,

internal/settings/providers/ovh/updaterecord.go

@@ -12,7 +12,7 @@ import (
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 )
 
-func (p *provider) updateRecord(ctx context.Context, client *http.Client,
+func (p *Provider) updateRecord(ctx context.Context, client *http.Client,
 	recordID uint64, ipStr string, timestamp int64) (err error) {
 	u := url.URL{
 		Scheme: p.apiURL.Scheme,

internal/settings/providers/porkbun/provider.go

@@ -17,31 +17,31 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain       string
 	host         string
 	ttl          uint
 	ipVersion    ipversion.IPVersion
 	apiKey       string
-	secretApiKey string
+	secretAPIKey string
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
-		SecretApiKey string `json:"secret_api_key"`
-		ApiKey       string `json:"api_key"`
+		SecretAPIKey string `json:"secret_api_key"`
+		APIKey       string `json:"api_key"`
 		TTL          uint   `json:"ttl"`
 	}{}
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:       domain,
 		host:         host,
 		ipVersion:    ipVersion,
-		secretApiKey: extraSettings.SecretApiKey,
-		apiKey:       extraSettings.ApiKey,
+		secretAPIKey: extraSettings.SecretAPIKey,
+		apiKey:       extraSettings.APIKey,
 		ttl:          extraSettings.TTL,
 	}
 	if err := p.isValid(); err != nil {
@@ -50,41 +50,41 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case p.apiKey == "":
-		return errors.ErrEmptyApiKey
-	case p.secretApiKey == "":
-		return errors.ErrEmptyApiSecret
+		return errors.ErrEmptyAPIKey
+	case p.secretAPIKey == "":
+		return errors.ErrEmptyAPISecret
 	}
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: Porkbun]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -93,13 +93,13 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) setHeaders(request *http.Request) {
+func (p *Provider) setHeaders(request *http.Request) {
 	headers.SetUserAgent(request)
 	headers.SetContentType(request, "application/json")
 	headers.SetAccept(request, "application/json")
 }
 
-func (p *provider) getRecordIDs(ctx context.Context, client *http.Client, recordType string) (
+func (p *Provider) getRecordIDs(ctx context.Context, client *http.Client, recordType string) (
 	recordIDs []string, err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -111,11 +111,11 @@ func (p *provider) getRecordIDs(ctx context.Context, client *http.Client, record
 	}
 
 	postRecordsParams := struct {
-		SecretApiKey string `json:"secretapikey"`
-		ApiKey       string `json:"apikey"`
+		SecretAPIKey string `json:"secretapikey"`
+		APIKey       string `json:"apikey"`
 	}{
-		SecretApiKey: p.secretApiKey,
-		ApiKey:       p.apiKey,
+		SecretAPIKey: p.secretAPIKey,
+		APIKey:       p.apiKey,
 	}
 	buffer := bytes.NewBuffer(nil)
 	encoder := json.NewEncoder(buffer)
@@ -142,7 +142,7 @@ func (p *provider) getRecordIDs(ctx context.Context, client *http.Client, record
 
 	var responseData struct {
 		Records []struct {
-			Id string `json:"id"`
+			ID string `json:"id"`
 		} `json:"records"`
 	}
 	decoder := json.NewDecoder(response.Body)
@@ -151,13 +151,13 @@ func (p *provider) getRecordIDs(ctx context.Context, client *http.Client, record
 	}
 
 	for _, record := range responseData.Records {
-		recordIDs = append(recordIDs, record.Id)
+		recordIDs = append(recordIDs, record.ID)
 	}
 
 	return recordIDs, nil
 }
 
-func (p *provider) createRecord(ctx context.Context, client *http.Client,
+func (p *Provider) createRecord(ctx context.Context, client *http.Client,
 	recordType string, ipStr string) (err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -165,15 +165,15 @@ func (p *provider) createRecord(ctx context.Context, client *http.Client,
 		Path:   "/api/json/v3/dns/create/" + p.domain,
 	}
 	postRecordsParams := struct {
-		SecretApiKey string `json:"secretapikey"`
-		ApiKey       string `json:"apikey"`
+		SecretAPIKey string `json:"secretapikey"`
+		APIKey       string `json:"apikey"`
 		Content      string `json:"content"`
 		Name         string `json:"name,omitempty"`
 		Type         string `json:"type"`
 		TTL          string `json:"ttl"`
 	}{
-		SecretApiKey: p.secretApiKey,
-		ApiKey:       p.apiKey,
+		SecretAPIKey: p.secretAPIKey,
+		APIKey:       p.apiKey,
 		Content:      ipStr,
 		Type:         recordType,
 		Name:         p.host,
@@ -204,7 +204,7 @@ func (p *provider) createRecord(ctx context.Context, client *http.Client,
 	return nil
 }
 
-func (p *provider) updateRecord(ctx context.Context, client *http.Client,
+func (p *Provider) updateRecord(ctx context.Context, client *http.Client,
 	recordType string, ipStr string, recordID string) (err error) {
 	u := url.URL{
 		Scheme: "https",
@@ -212,15 +212,15 @@ func (p *provider) updateRecord(ctx context.Context, client *http.Client,
 		Path:   "/api/json/v3/dns/edit/" + p.domain + "/" + recordID,
 	}
 	postRecordsParams := struct {
-		SecretApiKey string `json:"secretapikey"`
-		ApiKey       string `json:"apikey"`
+		SecretAPIKey string `json:"secretapikey"`
+		APIKey       string `json:"apikey"`
 		Content      string `json:"content"`
 		Type         string `json:"type"`
 		TTL          string `json:"ttl"`
 		Name         string `json:"name,omitempty"`
 	}{
-		SecretApiKey: p.secretApiKey,
-		ApiKey:       p.apiKey,
+		SecretAPIKey: p.secretAPIKey,
+		APIKey:       p.apiKey,
 		Content:      ipStr,
 		Type:         recordType,
 		TTL:          fmt.Sprint(p.ttl),
@@ -251,7 +251,7 @@ func (p *provider) updateRecord(ctx context.Context, client *http.Client,
 	return nil
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil { // IPv6
 		recordType = constants.AAAA

internal/settings/providers/selfhostde/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -28,7 +28,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -37,7 +37,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -51,7 +51,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.username) == 0:
 		return errors.ErrEmptyUsername
@@ -63,31 +63,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: Selfhost.de]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -96,7 +96,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		User:   url.UserPassword(p.username, p.password),

internal/settings/providers/servercow/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	username      string
 	host          string
 	domain        string
@@ -29,7 +29,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion) (
-	p *provider, err error) {
+	p *Provider, err error) {
 	extraSettings := struct {
 		Username      string `json:"username"`
 		Password      string `json:"password"`
@@ -41,7 +41,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 		return nil, err
 	}
 
-	p = &provider{
+	p = &Provider{
 		host:          host,
 		ipVersion:     ipVersion,
 		username:      extraSettings.Username,
@@ -56,7 +56,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case p.username == "":
 		return errors.ErrEmptyUsername
@@ -69,31 +69,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return utils.ToString("servercow.de", p.host, constants.Servercow, p.ipVersion)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -102,7 +102,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	recordType := constants.A
 	if ip.To4() == nil {
 		recordType = constants.AAAA

internal/settings/providers/spdyn/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -29,7 +29,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		User          string `json:"user"`
 		Password      string `json:"password"`
@@ -39,7 +39,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -54,7 +54,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	if len(p.token) > 0 {
 		return nil
 	}
@@ -69,31 +69,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: Spdyn]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -102,7 +102,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	// see https://wiki.securepoint.de/SPDyn/Variablen
 	u := url.URL{
 		Scheme: "https",

internal/settings/providers/strato/provider.go

@@ -18,7 +18,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -27,7 +27,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string,
-	ipVersion ipversion.IPVersion) (p *provider, err error) {
+	ipVersion ipversion.IPVersion) (p *Provider, err error) {
 	extraSettings := struct {
 		Password      string `json:"password"`
 		UseProviderIP bool   `json:"provider_ip"`
@@ -35,7 +35,7 @@ func New(data json.RawMessage, domain, host string,
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -48,7 +48,7 @@ func New(data json.RawMessage, domain, host string,
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.password) == 0:
 		return errors.ErrEmptyPassword
@@ -58,31 +58,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: Strato]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -91,7 +91,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	u := url.URL{
 		Scheme: "https",
 		User:   url.UserPassword(p.domain, p.password),

internal/settings/providers/variomedia/provider.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/errors"
 	"github.com/qdm12/ddns-updater/internal/settings/headers"
@@ -19,7 +19,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type provider struct {
+type Provider struct {
 	domain        string
 	host          string
 	ipVersion     ipversion.IPVersion
@@ -29,7 +29,7 @@ type provider struct {
 }
 
 func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersion,
-	matcher regex.Matcher) (p *provider, err error) {
+	matcher common.Matcher) (p *Provider, err error) {
 	extraSettings := struct {
 		Email         string `json:"email"`
 		Password      string `json:"password"`
@@ -38,7 +38,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	if err := json.Unmarshal(data, &extraSettings); err != nil {
 		return nil, err
 	}
-	p = &provider{
+	p = &Provider{
 		domain:        domain,
 		host:          host,
 		ipVersion:     ipVersion,
@@ -52,7 +52,7 @@ func New(data json.RawMessage, domain, host string, ipVersion ipversion.IPVersio
 	return p, nil
 }
 
-func (p *provider) isValid() error {
+func (p *Provider) isValid() error {
 	switch {
 	case len(p.email) == 0:
 		return errors.ErrEmptyEmail
@@ -64,31 +64,31 @@ func (p *provider) isValid() error {
 	return nil
 }
 
-func (p *provider) String() string {
+func (p *Provider) String() string {
 	return fmt.Sprintf("[domain: %s | host: %s | provider: Variomedia]", p.domain, p.host)
 }
 
-func (p *provider) Domain() string {
+func (p *Provider) Domain() string {
 	return p.domain
 }
 
-func (p *provider) Host() string {
+func (p *Provider) Host() string {
 	return p.host
 }
 
-func (p *provider) IPVersion() ipversion.IPVersion {
+func (p *Provider) IPVersion() ipversion.IPVersion {
 	return p.ipVersion
 }
 
-func (p *provider) Proxied() bool {
+func (p *Provider) Proxied() bool {
 	return false
 }
 
-func (p *provider) BuildDomainName() string {
+func (p *Provider) BuildDomainName() string {
 	return utils.BuildDomainName(p.host, p.domain)
 }
 
-func (p *provider) HTML() models.HTMLRow {
+func (p *Provider) HTML() models.HTMLRow {
 	return models.HTMLRow{
 		Domain:    models.HTML(fmt.Sprintf("<a href=\"http://%s\">%s</a>", p.BuildDomainName(), p.BuildDomainName())),
 		Host:      models.HTML(p.Host()),
@@ -97,7 +97,7 @@ func (p *provider) HTML() models.HTMLRow {
 	}
 }
 
-func (p *provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
+func (p *Provider) Update(ctx context.Context, client *http.Client, ip net.IP) (newIP net.IP, err error) {
 	host := "dyndns.variomedia.de"
 	if p.useProviderIP {
 		if ip.To4() == nil {

internal/settings/settings.go

@@ -9,7 +9,7 @@ import (
 	"net/http"
 
 	"github.com/qdm12/ddns-updater/internal/models"
-	"github.com/qdm12/ddns-updater/internal/regex"
+	"github.com/qdm12/ddns-updater/internal/settings/common"
 	"github.com/qdm12/ddns-updater/internal/settings/constants"
 	"github.com/qdm12/ddns-updater/internal/settings/providers/aliyun"
 	"github.com/qdm12/ddns-updater/internal/settings/providers/allinkl"
@@ -62,7 +62,7 @@ var ErrProviderUnknown = errors.New("unknown provider")
 
 //nolint:gocyclo
 func New(provider models.Provider, data json.RawMessage, domain, host string, //nolint:ireturn
-	ipVersion ipversion.IPVersion, matcher regex.Matcher) (
+	ipVersion ipversion.IPVersion, matcher common.Matcher) (
 	settings Settings, err error) {
 	switch provider {
 	case constants.Aliyun:
@@ -77,7 +77,7 @@ func New(provider models.Provider, data json.RawMessage, domain, host string, //
 		return ddnss.New(data, domain, host, ipVersion)
 	case constants.DigitalOcean:
 		return digitalocean.New(data, domain, host, ipVersion)
-	case constants.DnsOMatic:
+	case constants.DNSOMatic:
 		return dnsomatic.New(data, domain, host, ipVersion, matcher)
 	case constants.DNSPod:
 		return dnspod.New(data, domain, host, ipVersion)

internal/update/interfaces.go

@@ -14,7 +14,7 @@ type PublicIPFetcher interface {
 	IP6(ctx context.Context) (net.IP, error)
 }
 
-type Updater interface {
+type UpdaterInterface interface {
 	Update(ctx context.Context, recordID int, ip net.IP, now time.Time) (err error)
 }
 

internal/update/run.go

@@ -13,10 +13,10 @@ import (
 	"github.com/qdm12/golibs/logging"
 )
 
-type runner struct {
+type Runner struct {
 	period      time.Duration
 	db          Database
-	updater     Updater
+	updater     UpdaterInterface
 	force       chan struct{}
 	forceResult chan []error
 	ipv6Mask    net.IPMask
@@ -27,10 +27,10 @@ type runner struct {
 	timeNow     func() time.Time
 }
 
-func NewRunner(db Database, updater Updater, ipGetter PublicIPFetcher,
+func NewRunner(db Database, updater UpdaterInterface, ipGetter PublicIPFetcher,
 	period time.Duration, ipv6Mask net.IPMask, cooldown time.Duration,
-	logger logging.Logger, timeNow func() time.Time) *runner {
-	return &runner{
+	logger logging.Logger, timeNow func() time.Time) *Runner {
+	return &Runner{
 		period:      period,
 		db:          db,
 		updater:     updater,
@@ -45,7 +45,7 @@ func NewRunner(db Database, updater Updater, ipGetter PublicIPFetcher,
 	}
 }
 
-func (r *runner) lookupIPsResilient(ctx context.Context, hostname string, tries int) (
+func (r *Runner) lookupIPsResilient(ctx context.Context, hostname string, tries int) (
 	ipv4 net.IP, ipv6 net.IP, err error) {
 	for i := 0; i < tries; i++ {
 		ipv4, ipv6, err = r.lookupIPs(ctx, hostname)
@@ -56,7 +56,7 @@ func (r *runner) lookupIPsResilient(ctx context.Context, hostname string, tries
 	return nil, nil, err
 }
 
-func (r *runner) lookupIPs(ctx context.Context, hostname string) (ipv4 net.IP, ipv6 net.IP, err error) {
+func (r *Runner) lookupIPs(ctx context.Context, hostname string) (ipv4 net.IP, ipv6 net.IP, err error) {
 	ips, err := r.resolver.LookupIP(ctx, "ip", hostname)
 	if err != nil {
 		return nil, nil, err
@@ -88,7 +88,7 @@ func doIPVersion(records []librecords.Record) (doIP, doIPv4, doIPv6 bool) {
 	return doIP, doIPv4, doIPv6
 }
 
-func (r *runner) getNewIPs(ctx context.Context, doIP, doIPv4, doIPv6 bool, ipv6Mask net.IPMask) (
+func (r *Runner) getNewIPs(ctx context.Context, doIP, doIPv4, doIPv6 bool, ipv6Mask net.IPMask) (
 	ip, ipv4, ipv6 net.IP, errors []error) {
 	var err error
 	if doIP {
@@ -116,7 +116,7 @@ func (r *runner) getNewIPs(ctx context.Context, doIP, doIPv4, doIPv6 bool, ipv6M
 	return ip, ipv4, ipv6, errors
 }
 
-func (r *runner) getRecordIDsToUpdate(ctx context.Context, records []librecords.Record,
+func (r *Runner) getRecordIDsToUpdate(ctx context.Context, records []librecords.Record,
 	ip, ipv4, ipv6 net.IP, now time.Time, ipv6Mask net.IPMask) (recordIDs map[int]struct{}) {
 	recordIDs = make(map[int]struct{})
 	for id, record := range records {
@@ -127,7 +127,7 @@ func (r *runner) getRecordIDsToUpdate(ctx context.Context, records []librecords.
 	return recordIDs
 }
 
-func (r *runner) shouldUpdateRecord(ctx context.Context, record librecords.Record,
+func (r *Runner) shouldUpdateRecord(ctx context.Context, record librecords.Record,
 	ip, ipv4, ipv6 net.IP, now time.Time, ipv6Mask net.IPMask) (update bool) {
 	isWithinBanPeriod := record.LastBan != nil && now.Sub(*record.LastBan) < time.Hour
 	isWithinCooldown := now.Sub(record.History.GetSuccessTime()) < r.cooldown
@@ -146,7 +146,7 @@ func (r *runner) shouldUpdateRecord(ctx context.Context, record librecords.Recor
 	return r.shouldUpdateRecordWithLookup(ctx, hostname, ipVersion, ip, ipv4, ipv6, ipv6Mask)
 }
 
-func (r *runner) shouldUpdateRecordNoLookup(hostname string, ipVersion ipversion.IPVersion,
+func (r *Runner) shouldUpdateRecordNoLookup(hostname string, ipVersion ipversion.IPVersion,
 	lastIP, ip, ipv4, ipv6 net.IP) (update bool) {
 	switch ipVersion {
 	case ipversion.IP4or6:
@@ -177,7 +177,7 @@ func (r *runner) shouldUpdateRecordNoLookup(hostname string, ipVersion ipversion
 	return false
 }
 
-func (r *runner) shouldUpdateRecordWithLookup(ctx context.Context, hostname string, ipVersion ipversion.IPVersion,
+func (r *Runner) shouldUpdateRecordWithLookup(ctx context.Context, hostname string, ipVersion ipversion.IPVersion,
 	ip, ipv4, ipv6 net.IP, ipv6Mask net.IPMask) (update bool) {
 	const tries = 5
 	recordIPv4, recordIPv6, err := r.lookupIPsResilient(ctx, hostname, tries)
@@ -255,7 +255,7 @@ func setInitialUpToDateStatus(db Database, id int, updateIP net.IP, now time.Tim
 	return db.Update(id, record)
 }
 
-func (r *runner) updateNecessary(ctx context.Context, ipv6Mask net.IPMask) (errors []error) {
+func (r *Runner) updateNecessary(ctx context.Context, ipv6Mask net.IPMask) (errors []error) {
 	records := r.db.SelectAll()
 	doIP, doIPv4, doIPv6 := doIPVersion(records)
 	r.logger.Debug(fmt.Sprintf("configured to fetch IP: v4 or v6: %t, v4: %t, v6: %t", doIP, doIPv4, doIPv6))
@@ -292,7 +292,7 @@ func (r *runner) updateNecessary(ctx context.Context, ipv6Mask net.IPMask) (erro
 	return errors
 }
 
-func (r *runner) Run(ctx context.Context, done chan<- struct{}) {
+func (r *Runner) Run(ctx context.Context, done chan<- struct{}) {
 	defer close(done)
 	ticker := time.NewTicker(r.period)
 	for {
@@ -308,7 +308,7 @@ func (r *runner) Run(ctx context.Context, done chan<- struct{}) {
 	}
 }
 
-func (r *runner) ForceUpdate(ctx context.Context) (errs []error) {
+func (r *Runner) ForceUpdate(ctx context.Context) (errs []error) {
 	r.force <- struct{}{}
 
 	select {

internal/update/update.go

@@ -14,7 +14,7 @@ import (
 	"github.com/qdm12/golibs/logging"
 )
 
-type updater struct {
+type Updater struct {
 	db     Database
 	client *http.Client
 	notify notifyFunc
@@ -23,9 +23,9 @@ type updater struct {
 
 type notifyFunc func(message string)
 
-func NewUpdater(db Database, client *http.Client, notify notifyFunc, logger logging.Logger) *updater {
+func NewUpdater(db Database, client *http.Client, notify notifyFunc, logger logging.Logger) *Updater {
 	client = makeLogClient(client, logger)
-	return &updater{
+	return &Updater{
 		db:     db,
 		client: client,
 		notify: notify,
@@ -33,7 +33,7 @@ func NewUpdater(db Database, client *http.Client, notify notifyFunc, logger logg
 	}
 }
 
-func (u *updater) Update(ctx context.Context, id int, ip net.IP, now time.Time) (err error) {
+func (u *Updater) Update(ctx context.Context, id int, ip net.IP, now time.Time) (err error) {
 	record, err := u.db.Select(id)
 	if err != nil {
 		return err

pkg/publicip/dns/dns.go

@@ -6,7 +6,7 @@ import (
 	"github.com/miekg/dns"
 )
 
-type fetcher struct {
+type Fetcher struct {
 	ring    ring
 	client  Client
 	client4 Client
@@ -19,7 +19,7 @@ type ring struct {
 	providers []Provider
 }
 
-func New(options ...Option) (f *fetcher, err error) {
+func New(options ...Option) (f *Fetcher, err error) {
 	settings := newDefaultSettings()
 	for _, option := range options {
 		if err := option(&settings); err != nil {
@@ -31,7 +31,7 @@ func New(options ...Option) (f *fetcher, err error) {
 		Timeout: settings.timeout,
 	}
 
-	return &fetcher{
+	return &Fetcher{
 		ring: ring{
 			counter:   new(uint32),
 			providers: settings.providers,

pkg/publicip/dns/ip.go

@@ -6,19 +6,19 @@ import (
 	"sync/atomic"
 )
 
-func (f *fetcher) IP(ctx context.Context) (publicIP net.IP, err error) {
+func (f *Fetcher) IP(ctx context.Context) (publicIP net.IP, err error) {
 	return f.ip(ctx, f.client)
 }
 
-func (f *fetcher) IP4(ctx context.Context) (publicIP net.IP, err error) {
+func (f *Fetcher) IP4(ctx context.Context) (publicIP net.IP, err error) {
 	return f.ip(ctx, f.client4)
 }
 
-func (f *fetcher) IP6(ctx context.Context) (publicIP net.IP, err error) {
+func (f *Fetcher) IP6(ctx context.Context) (publicIP net.IP, err error) {
 	return f.ip(ctx, f.client6)
 }
 
-func (f *fetcher) ip(ctx context.Context, client Client) (
+func (f *Fetcher) ip(ctx context.Context, client Client) (
 	publicIP net.IP, err error) {
 	index := int(atomic.AddUint32(f.ring.counter, 1)) % len(f.ring.providers)
 	provider := f.ring.providers[index]

pkg/publicip/http/http.go

@@ -7,7 +7,7 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-type fetcher struct {
+type Fetcher struct {
 	client  *http.Client
 	timeout time.Duration
 	ip4or6  urlsRing // URLs to get ipv4 or ipv6
@@ -20,7 +20,7 @@ type urlsRing struct {
 	urls    []string
 }
 
-func New(client *http.Client, options ...Option) (f *fetcher, err error) {
+func New(client *http.Client, options ...Option) (f *Fetcher, err error) {
 	settings := newDefaultSettings()
 	for _, option := range options {
 		if err := option(&settings); err != nil {
@@ -28,7 +28,7 @@ func New(client *http.Client, options ...Option) (f *fetcher, err error) {
 		}
 	}
 
-	fetcher := &fetcher{
+	fetcher := &Fetcher{
 		client:  client,
 		timeout: settings.timeout,
 	}

pkg/publicip/http/http_test.go

@@ -17,11 +17,11 @@ func Test_New(t *testing.T) {
 
 	testCases := map[string]struct {
 		options []Option
-		fetcher *fetcher
+		fetcher *Fetcher
 		err     error
 	}{
 		"no options": {
-			fetcher: &fetcher{
+			fetcher: &Fetcher{
 				client:  client,
 				timeout: 5 * time.Second,
 				ip4or6: urlsRing{
@@ -45,7 +45,7 @@ func Test_New(t *testing.T) {
 				SetProvidersIP6(Ipify),
 				SetTimeout(time.Second),
 			},
-			fetcher: &fetcher{
+			fetcher: &Fetcher{
 				client:  client,
 				timeout: time.Second,
 				ip4or6: urlsRing{

pkg/publicip/http/ip.go

@@ -8,19 +8,19 @@ import (
 	"github.com/qdm12/ddns-updater/pkg/publicip/ipversion"
 )
 
-func (f *fetcher) IP(ctx context.Context) (publicIP net.IP, err error) {
+func (f *Fetcher) IP(ctx context.Context) (publicIP net.IP, err error) {
 	return f.ip(ctx, f.ip4or6, ipversion.IP4or6)
 }
 
-func (f *fetcher) IP4(ctx context.Context) (publicIP net.IP, err error) {
+func (f *Fetcher) IP4(ctx context.Context) (publicIP net.IP, err error) {
 	return f.ip(ctx, f.ip4, ipversion.IP4)
 }
 
-func (f *fetcher) IP6(ctx context.Context) (publicIP net.IP, err error) {
+func (f *Fetcher) IP6(ctx context.Context) (publicIP net.IP, err error) {
 	return f.ip(ctx, f.ip6, ipversion.IP6)
 }
 
-func (f *fetcher) ip(ctx context.Context, ring urlsRing, version ipversion.IPVersion) (
+func (f *Fetcher) ip(ctx context.Context, ring urlsRing, version ipversion.IPVersion) (
 	publicIP net.IP, err error) {
 	index := int(atomic.AddUint32(ring.counter, 1)) % len(ring.urls)
 	url := ring.urls[index]

pkg/publicip/http/ip_test.go

@@ -35,7 +35,7 @@ func Test_fetcher_IP(t *testing.T) {
 		}),
 	}
 
-	initialFetcher := &fetcher{
+	initialFetcher := &Fetcher{
 		client:  client,
 		timeout: time.Hour,
 		ip4or6: urlsRing{
@@ -43,7 +43,7 @@ func Test_fetcher_IP(t *testing.T) {
 			urls:    []string{"a", "b", "c"},
 		},
 	}
-	expectedFetcher := &fetcher{
+	expectedFetcher := &Fetcher{
 		client:  client,
 		timeout: time.Hour,
 		ip4or6: urlsRing{
@@ -79,7 +79,7 @@ func Test_fetcher_IP4(t *testing.T) {
 		}),
 	}
 
-	initialFetcher := &fetcher{
+	initialFetcher := &Fetcher{
 		client:  client,
 		timeout: time.Hour,
 		ip4: urlsRing{
@@ -87,7 +87,7 @@ func Test_fetcher_IP4(t *testing.T) {
 			urls:    []string{"a", "b", "c"},
 		},
 	}
-	expectedFetcher := &fetcher{
+	expectedFetcher := &Fetcher{
 		client:  client,
 		timeout: time.Hour,
 		ip4: urlsRing{
@@ -126,7 +126,7 @@ func Test_fetcher_IP6(t *testing.T) {
 		}),
 	}
 
-	initialFetcher := &fetcher{
+	initialFetcher := &Fetcher{
 		client:  client,
 		timeout: time.Hour,
 		ip6: urlsRing{
@@ -134,7 +134,7 @@ func Test_fetcher_IP6(t *testing.T) {
 			urls:    []string{"a", "b", "c"},
 		},
 	}
-	expectedFetcher := &fetcher{
+	expectedFetcher := &Fetcher{
 		client:  client,
 		timeout: time.Hour,
 		ip6: urlsRing{
@@ -177,15 +177,15 @@ func Test_fetcher_ip(t *testing.T) {
 	}
 
 	testCases := map[string]struct {
-		initialFetcher *fetcher
+		initialFetcher *Fetcher
 		ctx            context.Context
 		publicIP       net.IP
 		err            error
-		finalFetcher   *fetcher // client is ignored when comparing the two
+		finalFetcher   *Fetcher // client is ignored when comparing the two
 	}{
 		"first run": {
 			ctx: context.Background(),
-			initialFetcher: &fetcher{
+			initialFetcher: &Fetcher{
 				timeout: time.Hour,
 				client:  newTestClient("b", []byte(`55.55.55.55`), nil),
 				ip4or6: urlsRing{
@@ -194,7 +194,7 @@ func Test_fetcher_ip(t *testing.T) {
 				},
 			},
 			publicIP: net.IP{55, 55, 55, 55},
-			finalFetcher: &fetcher{
+			finalFetcher: &Fetcher{
 				timeout: time.Hour,
 				ip4or6: urlsRing{
 					counter: uint32Ptr(1),
@@ -204,7 +204,7 @@ func Test_fetcher_ip(t *testing.T) {
 		},
 		"second run": {
 			ctx: context.Background(),
-			initialFetcher: &fetcher{
+			initialFetcher: &Fetcher{
 				timeout: time.Hour,
 				client:  newTestClient("a", []byte(`55.55.55.55`), nil),
 				ip4or6: urlsRing{
@@ -213,7 +213,7 @@ func Test_fetcher_ip(t *testing.T) {
 				},
 			},
 			publicIP: net.IP{55, 55, 55, 55},
-			finalFetcher: &fetcher{
+			finalFetcher: &Fetcher{
 				timeout: time.Hour,
 				ip4or6: urlsRing{
 					counter: uint32Ptr(2),
@@ -223,7 +223,7 @@ func Test_fetcher_ip(t *testing.T) {
 		},
 		"max uint32": {
 			ctx: context.Background(),
-			initialFetcher: &fetcher{
+			initialFetcher: &Fetcher{
 				timeout: time.Hour,
 				client:  newTestClient("a", []byte(`55.55.55.55`), nil),
 				ip4or6: urlsRing{
@@ -232,7 +232,7 @@ func Test_fetcher_ip(t *testing.T) {
 				},
 			},
 			publicIP: net.IP{55, 55, 55, 55},
-			finalFetcher: &fetcher{
+			finalFetcher: &Fetcher{
 				timeout: time.Hour,
 				ip4or6: urlsRing{
 					counter: uint32Ptr(0),
@@ -242,14 +242,14 @@ func Test_fetcher_ip(t *testing.T) {
 		},
 		"zero timeout": {
 			ctx: context.Background(),
-			initialFetcher: &fetcher{
+			initialFetcher: &Fetcher{
 				client: newTestClient("a", nil, nil),
 				ip4or6: urlsRing{
 					counter: uint32Ptr(1),
 					urls:    []string{"a", "b"},
 				},
 			},
-			finalFetcher: &fetcher{
+			finalFetcher: &Fetcher{
 				ip4or6: urlsRing{
 					counter: uint32Ptr(2),
 					urls:    []string{"a", "b"},
@@ -259,7 +259,7 @@ func Test_fetcher_ip(t *testing.T) {
 		},
 		"canceled context": {
 			ctx: canceledCtx,
-			initialFetcher: &fetcher{
+			initialFetcher: &Fetcher{
 				timeout: time.Hour,
 				client:  newTestClient("a", nil, nil),
 				ip4or6: urlsRing{
@@ -267,7 +267,7 @@ func Test_fetcher_ip(t *testing.T) {
 					urls:    []string{"a", "b"},
 				},
 			},
-			finalFetcher: &fetcher{
+			finalFetcher: &Fetcher{
 				timeout: time.Hour,
 				ip4or6: urlsRing{
 					counter: uint32Ptr(2),

pkg/publicip/publicip.go

@@ -15,7 +15,7 @@ type ipFetcher interface {
 	IP6(ctx context.Context) (ipv6 net.IP, err error)
 }
 
-type fetcher struct {
+type Fetcher struct {
 	settings settings
 	fetchers []ipFetcher
 	// Cycling effect if both are enabled
@@ -24,13 +24,13 @@ type fetcher struct {
 
 var ErrNoFetchTypeSpecified = errors.New("at least one fetcher type must be specified")
 
-func NewFetcher(dnsSettings DNSSettings, httpSettings HTTPSettings) (f *fetcher, err error) {
+func NewFetcher(dnsSettings DNSSettings, httpSettings HTTPSettings) (f *Fetcher, err error) {
 	settings := settings{
 		dns:  dnsSettings,
 		http: httpSettings,
 	}
 
-	fetcher := &fetcher{
+	fetcher := &Fetcher{
 		settings: settings,
 		counter:  new(uint32),
 	}
@@ -58,14 +58,14 @@ func NewFetcher(dnsSettings DNSSettings, httpSettings HTTPSettings) (f *fetcher,
 	return fetcher, nil
 }
 
-func (f *fetcher) IP(ctx context.Context) (ip net.IP, err error) {
+func (f *Fetcher) IP(ctx context.Context) (ip net.IP, err error) {
 	return f.getSubFetcher().IP(ctx)
 }
 
-func (f *fetcher) IP4(ctx context.Context) (ipv4 net.IP, err error) {
+func (f *Fetcher) IP4(ctx context.Context) (ipv4 net.IP, err error) {
 	return f.getSubFetcher().IP4(ctx)
 }
 
-func (f *fetcher) IP6(ctx context.Context) (ipv6 net.IP, err error) {
+func (f *Fetcher) IP6(ctx context.Context) (ipv6 net.IP, err error) {
 	return f.getSubFetcher().IP6(ctx)
 }

pkg/publicip/subfetcher.go

@@ -4,7 +4,7 @@ import (
 	"sync/atomic"
 )
 
-func (f *fetcher) getSubFetcher() ipFetcher { //nolint:ireturn
+func (f *Fetcher) getSubFetcher() ipFetcher { //nolint:ireturn
 	fetcher := f.fetchers[0]
 	if len(f.fetchers) > 1 { // cycling effect
 		index := int(atomic.AddUint32(f.counter, 1)) % len(f.fetchers)