refactor: unify labels

internal/config/config.go

@@ -1,20 +1,19 @@
 package config
 
-type Claims struct {
+// Version information, set at build time
-	Name              string `json:"name"`
-	Email             string `json:"email"`
-	PreferredUsername string `json:"preferred_username"`
-	Groups            any    `json:"groups"`
-}
 
 var Version = "development"
 var CommitHash = "n/a"
 var BuildTimestamp = "n/a"
 
+// Cookie name templates
+
 var SessionCookieName = "tinyauth-session"
 var CSRFCookieName = "tinyauth-csrf"
 var RedirectCookieName = "tinyauth-redirect"
 
+// Main app config
+
 type Config struct {
 	Port                    int    `mapstructure:"port" validate:"required"`
 	Address                 string `validate:"required,ip4_addr" mapstructure:"address"`
@@ -57,35 +56,13 @@ type Config struct {
 	DatabasePath            string `mapstructure:"database-path" validate:"required"`
 }
 
-type OAuthLabels struct {
+// OAuth/OIDC config
-	Whitelist string
-	Groups    string
-}
 
-type BasicLabels struct {
+type Claims struct {
-	Username string
+	Name              string `json:"name"`
-	Password PasswordLabels
+	Email             string `json:"email"`
-}
+	PreferredUsername string `json:"preferred_username"`
-
+	Groups            any    `json:"groups"`
-type PasswordLabels struct {
-	Plain string
-	File  string
-}
-
-type IPLabels struct {
-	Allow  []string
-	Block  []string
-	Bypass []string
-}
-
-type Labels struct {
-	Users   string
-	Allowed string
-	Headers []string
-	Domain  []string
-	Basic   BasicLabels
-	OAuth   OAuthLabels
-	IP      IPLabels
 }
 
 type OAuthServiceConfig struct {
@@ -99,6 +76,8 @@ type OAuthServiceConfig struct {
 	InsecureSkipVerify bool
 }
 
+// User/session related stuff
+
 type User struct {
 	Username   string
 	Password   string
@@ -132,6 +111,8 @@ type UserContext struct {
 	TotpEnabled bool
 }
 
+// API responses and queries
+
 type UnauthorizedQuery struct {
 	Username string `url:"username"`
 	Resource string `url:"resource"`
@@ -142,3 +123,54 @@ type UnauthorizedQuery struct {
 type RedirectQuery struct {
 	RedirectURI string `url:"redirect_uri"`
 }
+
+// Labels
+
+type Labels struct {
+	Apps map[string]AppLabels
+}
+
+type AppLabels struct {
+	Config   ConfigLabels
+	Users    UsersLabels
+	OAuth    OAuthLabels
+	IP       IPLabels
+	Response ResponseLabels
+	Path     PathLabels
+}
+
+type ConfigLabels struct {
+	Domain string
+}
+
+type UsersLabels struct {
+	Allow string
+	Block string
+}
+
+type OAuthLabels struct {
+	Whitelist string
+	Groups    string
+}
+
+type IPLabels struct {
+	Allow  []string
+	Block  []string
+	Bypass []string
+}
+
+type ResponseLabels struct {
+	Headers   []string
+	BasicAuth BasicAuthLabels
+}
+
+type BasicAuthLabels struct {
+	Username     string
+	Password     string
+	PasswordFile string
+}
+
+type PathLabels struct {
+	Allow string
+	Block string
+}

internal/controller/proxy_controller.go

@@ -89,19 +89,20 @@ func (controller *ProxyController) proxyHandler(c *gin.Context) {
 
 	clientIP := c.ClientIP()
 
-	if controller.Auth.IsBypassedIP(labels, clientIP) {
+	if controller.Auth.IsBypassedIP(labels.IP, clientIP) {
 		c.Header("Authorization", c.Request.Header.Get("Authorization"))
 
-		headers := utils.ParseHeaders(labels.Headers)
+		headers := utils.ParseHeaders(labels.Response.Headers)
 
 		for key, value := range headers {
 			log.Debug().Str("header", key).Msg("Setting header")
 			c.Header(key, value)
 		}
 
-		if labels.Basic.Username != "" && utils.GetSecret(labels.Basic.Password.Plain, labels.Basic.Password.File) != "" {
+		basicPassword := utils.GetSecret(labels.Response.BasicAuth.Password, labels.Response.BasicAuth.PasswordFile)
-			log.Debug().Str("username", labels.Basic.Username).Msg("Setting basic auth header")
+		if labels.Response.BasicAuth.Username != "" && basicPassword != "" {
-			c.Header("Authorization", fmt.Sprintf("Basic %s", utils.GetBasicAuth(labels.Basic.Username, utils.GetSecret(labels.Basic.Password.Plain, labels.Basic.Password.File))))
+			log.Debug().Str("username", labels.Response.BasicAuth.Username).Msg("Setting basic auth header")
+			c.Header("Authorization", fmt.Sprintf("Basic %s", utils.GetBasicAuth(labels.Response.BasicAuth.Username, basicPassword)))
 		}
 
 		c.JSON(200, gin.H{
@@ -111,31 +112,7 @@ func (controller *ProxyController) proxyHandler(c *gin.Context) {
 		return
 	}
 
-	if !controller.Auth.CheckIP(labels, clientIP) {
+	authEnabled, err := controller.Auth.IsAuthEnabled(uri, labels.Path.Allow)
-		if req.Proxy == "nginx" || !isBrowser {
-			c.JSON(401, gin.H{
-				"status":  401,
-				"message": "Unauthorized",
-			})
-			return
-		}
-
-		queries, err := query.Values(config.UnauthorizedQuery{
-			Resource: strings.Split(host, ".")[0],
-			IP:       clientIP,
-		})
-
-		if err != nil {
-			log.Error().Err(err).Msg("Failed to encode unauthorized query")
-			c.Redirect(http.StatusTemporaryRedirect, fmt.Sprintf("%s/error", controller.Config.AppURL))
-			return
-		}
-
-		c.Redirect(http.StatusTemporaryRedirect, fmt.Sprintf("%s/unauthorized?%s", controller.Config.AppURL, queries.Encode()))
-		return
-	}
-
-	authEnabled, err := controller.Auth.IsAuthEnabled(uri, labels)
 
 	if err != nil {
 		log.Error().Err(err).Msg("Failed to check if auth is enabled for resource")
@@ -157,16 +134,17 @@ func (controller *ProxyController) proxyHandler(c *gin.Context) {
 
 		c.Header("Authorization", c.Request.Header.Get("Authorization"))
 
-		headers := utils.ParseHeaders(labels.Headers)
+		headers := utils.ParseHeaders(labels.Response.Headers)
 
 		for key, value := range headers {
 			log.Debug().Str("header", key).Msg("Setting header")
 			c.Header(key, value)
 		}
 
-		if labels.Basic.Username != "" && utils.GetSecret(labels.Basic.Password.Plain, labels.Basic.Password.File) != "" {
+		basicPassword := utils.GetSecret(labels.Response.BasicAuth.Password, labels.Response.BasicAuth.PasswordFile)
-			log.Debug().Str("username", labels.Basic.Username).Msg("Setting basic auth header")
+		if labels.Response.BasicAuth.Username != "" && basicPassword != "" {
-			c.Header("Authorization", fmt.Sprintf("Basic %s", utils.GetBasicAuth(labels.Basic.Username, utils.GetSecret(labels.Basic.Password.Plain, labels.Basic.Password.File))))
+			log.Debug().Str("username", labels.Response.BasicAuth.Username).Msg("Setting basic auth header")
+			c.Header("Authorization", fmt.Sprintf("Basic %s", utils.GetBasicAuth(labels.Response.BasicAuth.Username, basicPassword)))
 		}
 
 		c.JSON(200, gin.H{
@@ -176,6 +154,30 @@ func (controller *ProxyController) proxyHandler(c *gin.Context) {
 		return
 	}
 
+	if !controller.Auth.CheckIP(labels.IP, clientIP) {
+		if req.Proxy == "nginx" || !isBrowser {
+			c.JSON(401, gin.H{
+				"status":  401,
+				"message": "Unauthorized",
+			})
+			return
+		}
+
+		queries, err := query.Values(config.UnauthorizedQuery{
+			Resource: strings.Split(host, ".")[0],
+			IP:       clientIP,
+		})
+
+		if err != nil {
+			log.Error().Err(err).Msg("Failed to encode unauthorized query")
+			c.Redirect(http.StatusTemporaryRedirect, fmt.Sprintf("%s/error", controller.Config.AppURL))
+			return
+		}
+
+		c.Redirect(http.StatusTemporaryRedirect, fmt.Sprintf("%s/unauthorized?%s", controller.Config.AppURL, queries.Encode()))
+		return
+	}
+
 	var userContext config.UserContext
 
 	context, err := utils.GetContext(c)
@@ -229,7 +231,7 @@ func (controller *ProxyController) proxyHandler(c *gin.Context) {
 		}
 
 		if userContext.OAuth {
-			groupOK := controller.Auth.IsInOAuthGroup(c, userContext, labels)
+			groupOK := controller.Auth.IsInOAuthGroup(c, userContext, labels.OAuth.Groups)
 
 			if !groupOK {
 				log.Warn().Str("user", userContext.Username).Str("resource", strings.Split(host, ".")[0]).Msg("User OAuth groups do not match resource requirements")
@@ -270,16 +272,17 @@ func (controller *ProxyController) proxyHandler(c *gin.Context) {
 		c.Header("Remote-Email", utils.SanitizeHeader(userContext.Email))
 		c.Header("Remote-Groups", utils.SanitizeHeader(userContext.OAuthGroups))
 
-		headers := utils.ParseHeaders(labels.Headers)
+		headers := utils.ParseHeaders(labels.Response.Headers)
 
 		for key, value := range headers {
 			log.Debug().Str("header", key).Msg("Setting header")
 			c.Header(key, value)
 		}
 
-		if labels.Basic.Username != "" && utils.GetSecret(labels.Basic.Password.Plain, labels.Basic.Password.File) != "" {
+		basicPassword := utils.GetSecret(labels.Response.BasicAuth.Password, labels.Response.BasicAuth.PasswordFile)
-			log.Debug().Str("username", labels.Basic.Username).Msg("Setting basic auth header")
+		if labels.Response.BasicAuth.Username != "" && basicPassword != "" {
-			c.Header("Authorization", fmt.Sprintf("Basic %s", utils.GetBasicAuth(labels.Basic.Username, utils.GetSecret(labels.Basic.Password.Plain, labels.Basic.Password.File))))
+			log.Debug().Str("username", labels.Response.BasicAuth.Username).Msg("Setting basic auth header")
+			c.Header("Authorization", fmt.Sprintf("Basic %s", utils.GetBasicAuth(labels.Response.BasicAuth.Username, basicPassword)))
 		}
 
 		c.JSON(200, gin.H{

internal/service/auth_service.go

@@ -283,18 +283,18 @@ func (auth *AuthService) UserAuthConfigured() bool {
 	return len(auth.Config.Users) > 0 || auth.LDAP != nil
 }
 
-func (auth *AuthService) IsResourceAllowed(c *gin.Context, context config.UserContext, labels config.Labels) bool {
+func (auth *AuthService) IsResourceAllowed(c *gin.Context, context config.UserContext, labels config.AppLabels) bool {
 	if context.OAuth {
 		log.Debug().Msg("Checking OAuth whitelist")
 		return utils.CheckFilter(labels.OAuth.Whitelist, context.Email)
 	}
 
 	log.Debug().Msg("Checking users")
-	return utils.CheckFilter(labels.Users, context.Username)
+	return utils.CheckFilter(labels.Users.Allow, context.Username)
 }
 
-func (auth *AuthService) IsInOAuthGroup(c *gin.Context, context config.UserContext, labels config.Labels) bool {
+func (auth *AuthService) IsInOAuthGroup(c *gin.Context, context config.UserContext, groups string) bool {
-	if labels.OAuth.Groups == "" {
+	if groups == "" {
 		return true
 	}
 
@@ -304,10 +304,10 @@ func (auth *AuthService) IsInOAuthGroup(c *gin.Context, context config.UserConte
 	}
 
 	// No need to parse since they are from the API response
-	oauthGroups := strings.Split(context.OAuthGroups, ",")
+	groupsSplit := strings.Split(groups, ",")
 
-	for _, group := range oauthGroups {
+	for _, group := range groupsSplit {
-		if utils.CheckFilter(labels.OAuth.Groups, group) {
+		if utils.CheckFilter(groups, group) {
 			return true
 		}
 	}
@@ -316,12 +316,12 @@ func (auth *AuthService) IsInOAuthGroup(c *gin.Context, context config.UserConte
 	return false
 }
 
-func (auth *AuthService) IsAuthEnabled(uri string, labels config.Labels) (bool, error) {
+func (auth *AuthService) IsAuthEnabled(uri string, pathAllow string) (bool, error) {
-	if labels.Allowed == "" {
+	if pathAllow == "" {
 		return true, nil
 	}
 
-	regex, err := regexp.Compile(labels.Allowed)
+	regex, err := regexp.Compile(pathAllow)
 
 	if err != nil {
 		return true, err
@@ -346,8 +346,8 @@ func (auth *AuthService) GetBasicAuth(c *gin.Context) *config.User {
 	}
 }
 
-func (auth *AuthService) CheckIP(labels config.Labels, ip string) bool {
+func (auth *AuthService) CheckIP(labels config.IPLabels, ip string) bool {
-	for _, blocked := range labels.IP.Block {
+	for _, blocked := range labels.Block {
 		res, err := utils.FilterIP(blocked, ip)
 		if err != nil {
 			log.Warn().Err(err).Str("item", blocked).Msg("Invalid IP/CIDR in block list")
@@ -359,7 +359,7 @@ func (auth *AuthService) CheckIP(labels config.Labels, ip string) bool {
 		}
 	}
 
-	for _, allowed := range labels.IP.Allow {
+	for _, allowed := range labels.Allow {
 		res, err := utils.FilterIP(allowed, ip)
 		if err != nil {
 			log.Warn().Err(err).Str("item", allowed).Msg("Invalid IP/CIDR in allow list")
@@ -371,7 +371,7 @@ func (auth *AuthService) CheckIP(labels config.Labels, ip string) bool {
 		}
 	}
 
-	if len(labels.IP.Allow) > 0 {
+	if len(labels.Allow) > 0 {
 		log.Debug().Str("ip", ip).Msg("IP not in allow list, denying access")
 		return false
 	}
@@ -380,8 +380,8 @@ func (auth *AuthService) CheckIP(labels config.Labels, ip string) bool {
 	return true
 }
 
-func (auth *AuthService) IsBypassedIP(labels config.Labels, ip string) bool {
+func (auth *AuthService) IsBypassedIP(labels config.IPLabels, ip string) bool {
-	for _, bypassed := range labels.IP.Bypass {
+	for _, bypassed := range labels.Bypass {
 		res, err := utils.FilterIP(bypassed, ip)
 		if err != nil {
 			log.Warn().Err(err).Str("item", bypassed).Msg("Invalid IP/CIDR in bypass list")

internal/service/docker_service.go

@@ -6,8 +6,6 @@ import (
 	"tinyauth/internal/config"
 	"tinyauth/internal/utils"
 
-	"slices"
-
 	container "github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/client"
 	"github.com/rs/zerolog/log"
@@ -57,17 +55,17 @@ func (docker *DockerService) DockerConnected() bool {
 	return err == nil
 }
 
-func (docker *DockerService) GetLabels(app string, domain string) (config.Labels, error) {
+func (docker *DockerService) GetLabels(app string, domain string) (config.AppLabels, error) {
 	isConnected := docker.DockerConnected()
 
 	if !isConnected {
 		log.Debug().Msg("Docker not connected, returning empty labels")
-		return config.Labels{}, nil
+		return config.AppLabels{}, nil
 	}
 
 	containers, err := docker.GetContainers()
 	if err != nil {
-		return config.Labels{}, err
+		return config.AppLabels{}, err
 	}
 
 	for _, container := range containers {
@@ -83,18 +81,19 @@ func (docker *DockerService) GetLabels(app string, domain string) (config.Labels
 			continue
 		}
 
-		// Check if the container matches the ID or domain
+		for appName, appLabels := range labels.Apps {
-		if slices.Contains(labels.Domain, domain) {
+			if appLabels.Config.Domain == domain {
-			log.Debug().Str("id", inspect.ID).Msg("Found matching container by domain")
+				log.Debug().Str("id", inspect.ID).Msg("Found matching container by domain")
-			return labels, nil
+				return appLabels, nil
-		}
+			}
 
-		if strings.TrimPrefix(inspect.Name, "/") == app {
+			if strings.TrimPrefix(inspect.Name, "/") == appName {
-			log.Debug().Str("id", inspect.ID).Msg("Found matching container by name")
+				log.Debug().Str("id", inspect.ID).Msg("Found matching container by app name")
-			return labels, nil
+				return appLabels, nil
+			}
 		}
 	}
 
 	log.Debug().Msg("No matching container found, returning empty labels")
-	return config.Labels{}, nil
+	return config.AppLabels{}, nil
 }

internal/utils/label_utils.go

@@ -11,7 +11,7 @@ import (
 func GetLabels(labels map[string]string) (config.Labels, error) {
 	var labelsParsed config.Labels
 
-	err := parser.Decode(labels, &labelsParsed, "tinyauth", "tinyauth.users", "tinyauth.allowed", "tinyauth.headers", "tinyauth.domain", "tinyauth.basic", "tinyauth.oauth", "tinyauth.ip")
+	err := parser.Decode(labels, &labelsParsed, "tinyauth", "tinyauth.apps")
 	if err != nil {
 		return config.Labels{}, err
 	}