Initial QSfera import

Server/services/invitations/pkg/config/config.go

@@ -0,0 +1,34 @@
+package config
+
+import (
+	"context"
+
+	"github.com/qsfera/server/pkg/shared"
+)
+
+// Config combines all available configuration parts.
+type Config struct {
+	Commons *shared.Commons `yaml:"-"` // don't use this directly as configuration for a service
+
+	Service Service `yaml:"-"`
+
+	LogLevel string `yaml:"loglevel" env:"OC_LOG_LEVEL;INVITATIONS_LOG_LEVEL" desc:"The log level. Valid values are: 'panic', 'fatal', 'error', 'warn', 'info', 'debug', 'trace'." introductionVersion:"1.0.0"`
+	Debug    Debug  `yaml:"debug"`
+
+	HTTP HTTP `yaml:"http"`
+
+	Keycloak     Keycloak      `yaml:"keycloak"`
+	TokenManager *TokenManager `yaml:"token_manager"`
+
+	Context context.Context `yaml:"-"`
+}
+
+// Keycloak configuration
+type Keycloak struct {
+	BasePath           string `yaml:"base_path" env:"OC_KEYCLOAK_BASE_PATH;INVITATIONS_KEYCLOAK_BASE_PATH" desc:"The URL to access keycloak." introductionVersion:"1.0.0"`
+	ClientID           string `yaml:"client_id" env:"OC_KEYCLOAK_CLIENT_ID;INVITATIONS_KEYCLOAK_CLIENT_ID" desc:"The client ID to authenticate with keycloak." introductionVersion:"1.0.0"`
+	ClientSecret       string `yaml:"client_secret" env:"OC_KEYCLOAK_CLIENT_SECRET;INVITATIONS_KEYCLOAK_CLIENT_SECRET" desc:"The client secret to use in authentication." introductionVersion:"1.0.0"`
+	ClientRealm        string `yaml:"client_realm" env:"OC_KEYCLOAK_CLIENT_REALM;INVITATIONS_KEYCLOAK_CLIENT_REALM" desc:"The realm the client is defined in." introductionVersion:"1.0.0"`
+	UserRealm          string `yaml:"user_realm" env:"OC_KEYCLOAK_USER_REALM;INVITATIONS_KEYCLOAK_USER_REALM" desc:"The realm users are defined." introductionVersion:"1.0.0"`
+	InsecureSkipVerify bool   `yaml:"insecure_skip_verify" env:"OC_KEYCLOAK_INSECURE_SKIP_VERIFY;INVITATIONS_KEYCLOAK_INSECURE_SKIP_VERIFY" desc:"Disable TLS certificate validation for Keycloak connections. Do not set this in production environments." introductionVersion:"1.0.0"`
+}

Server/services/invitations/pkg/config/debug.go

@@ -0,0 +1,9 @@
+package config
+
+// Debug defines the available debug configuration.
+type Debug struct {
+	Addr   string `yaml:"addr" env:"INVITATIONS_DEBUG_ADDR" desc:"Bind address of the debug server, where metrics, health, config and debug endpoints will be exposed." introductionVersion:"1.0.0"`
+	Token  string `yaml:"token" env:"INVITATIONS_DEBUG_TOKEN" desc:"Token to secure the metrics endpoint." introductionVersion:"1.0.0"`
+	Pprof  bool   `yaml:"pprof" env:"INVITATIONS_DEBUG_PPROF" desc:"Enables pprof, which can be used for profiling." introductionVersion:"1.0.0"`
+	Zpages bool   `yaml:"zpages" env:"INVITATIONS_DEBUG_ZPAGES" desc:"Enables zpages, which can be used for collecting and viewing in-memory traces." introductionVersion:"1.0.0"`
+}

Server/services/invitations/pkg/config/defaults/defaultconfig.go

@@ -0,0 +1,75 @@
+package defaults
+
+import (
+	"strings"
+
+	"github.com/qsfera/server/services/invitations/pkg/config"
+)
+
+func FullDefaultConfig() *config.Config {
+	cfg := DefaultConfig()
+	EnsureDefaults(cfg)
+	Sanitize(cfg)
+	return cfg
+}
+
+func DefaultConfig() *config.Config {
+	return &config.Config{
+		Debug: config.Debug{
+			Addr:   "127.0.0.1:9269",
+			Token:  "",
+			Pprof:  false,
+			Zpages: false,
+		},
+		HTTP: config.HTTP{
+			Addr:      "127.0.0.1:9265",
+			Root:      "/graph/v1.0",
+			Namespace: "qsfera.web",
+			CORS: config.CORS{
+				AllowedOrigins: []string{"https://localhost:9200"},
+			},
+		},
+		Service: config.Service{
+			Name: "invitations",
+		},
+		Keycloak: config.Keycloak{
+			BasePath:     "",
+			ClientID:     "",
+			ClientSecret: "",
+			ClientRealm:  "",
+			UserRealm:    "",
+		},
+	}
+}
+
+func EnsureDefaults(cfg *config.Config) {
+	if cfg.LogLevel == "" {
+		cfg.LogLevel = "error"
+	}
+
+	if cfg.Commons != nil {
+		cfg.HTTP.TLS = cfg.Commons.HTTPServiceTLS
+	}
+
+	if cfg.TokenManager == nil && cfg.Commons != nil && cfg.Commons.TokenManager != nil {
+		cfg.TokenManager = &config.TokenManager{
+			JWTSecret: cfg.Commons.TokenManager.JWTSecret,
+		}
+	} else if cfg.TokenManager == nil {
+		cfg.TokenManager = &config.TokenManager{}
+	}
+
+	if (cfg.Commons != nil && cfg.Commons.QsferaURL != "") &&
+		(cfg.HTTP.CORS.AllowedOrigins == nil ||
+			len(cfg.HTTP.CORS.AllowedOrigins) == 1 &&
+				cfg.HTTP.CORS.AllowedOrigins[0] == "https://localhost:9200") {
+		cfg.HTTP.CORS.AllowedOrigins = []string{cfg.Commons.QsferaURL}
+	}
+}
+
+func Sanitize(cfg *config.Config) {
+	// sanitize config
+	if cfg.HTTP.Root != "/" {
+		cfg.HTTP.Root = strings.TrimSuffix(cfg.HTTP.Root, "/")
+	}
+}

Server/services/invitations/pkg/config/http.go

@@ -0,0 +1,20 @@
+package config
+
+import "github.com/qsfera/server/pkg/shared"
+
+// CORS defines the available cors configuration.
+type CORS struct {
+	AllowedOrigins   []string `yaml:"allow_origins" env:"OC_CORS_ALLOW_ORIGINS;INVITATIONS_CORS_ALLOW_ORIGINS" desc:"A list of allowed CORS origins. See following chapter for more details: *Access-Control-Allow-Origin* at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin. See the Environment Variable Types description for more details." introductionVersion:"1.0.0"`
+	AllowedMethods   []string `yaml:"allow_methods" env:"OC_CORS_ALLOW_METHODS;INVITATIONS_CORS_ALLOW_METHODS" desc:"A list of allowed CORS methods. See following chapter for more details: *Access-Control-Request-Method* at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Request-Method. See the Environment Variable Types description for more details." introductionVersion:"1.0.0"`
+	AllowedHeaders   []string `yaml:"allow_headers" env:"OC_CORS_ALLOW_HEADERS;INVITATIONS_CORS_ALLOW_HEADERS" desc:"A list of allowed CORS headers. See following chapter for more details: *Access-Control-Request-Headers* at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Request-Headers. See the Environment Variable Types description for more details." introductionVersion:"1.0.0"`
+	AllowCredentials bool     `yaml:"allow_credentials" env:"OC_CORS_ALLOW_CREDENTIALS;INVITATIONS_CORS_ALLOW_CREDENTIALS" desc:"Allow credentials for CORS.See following chapter for more details: *Access-Control-Allow-Credentials* at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Credentials." introductionVersion:"1.0.0"`
+}
+
+// HTTP defines the available http configuration.
+type HTTP struct {
+	Addr      string                `yaml:"addr" env:"INVITATIONS_HTTP_ADDR" desc:"The bind address of the HTTP service." introductionVersion:"1.0.0"`
+	Namespace string                `yaml:"-"`
+	Root      string                `yaml:"root" env:"INVITATIONS_HTTP_ROOT" desc:"Subdirectory that serves as the root for this HTTP service." introductionVersion:"1.0.0"`
+	CORS      CORS                  `yaml:"cors"`
+	TLS       shared.HTTPServiceTLS `yaml:"tls"`
+}

Server/services/invitations/pkg/config/parser/parse.go

@@ -0,0 +1,37 @@
+package parser
+
+import (
+	"errors"
+
+	occfg "github.com/qsfera/server/pkg/config"
+	"github.com/qsfera/server/services/invitations/pkg/config"
+	"github.com/qsfera/server/services/invitations/pkg/config/defaults"
+
+	"github.com/qsfera/server/pkg/config/envdecode"
+)
+
+// ParseConfig loads configuration from known paths.
+func ParseConfig(cfg *config.Config) error {
+	err := occfg.BindSourcesToStructs(cfg.Service.Name, cfg)
+	if err != nil {
+		return err
+	}
+
+	defaults.EnsureDefaults(cfg)
+
+	// load all env variables relevant to the config in the current context.
+	if err := envdecode.Decode(cfg); err != nil {
+		// no environment variable set for this config is an expected "error"
+		if !errors.Is(err, envdecode.ErrNoTargetFieldsAreSet) {
+			return err
+		}
+	}
+
+	defaults.Sanitize(cfg)
+
+	return Validate(cfg)
+}
+
+func Validate(cfg *config.Config) error {
+	return nil
+}

Server/services/invitations/pkg/config/reva.go

@@ -0,0 +1,6 @@
+package config
+
+// TokenManager is the config for using the reva token manager
+type TokenManager struct {
+	JWTSecret string `yaml:"jwt_secret" env:"OC_JWT_SECRET;INVITATIONS_JWT_SECRET" desc:"The secret to mint and validate jwt tokens." introductionVersion:"1.0.0"`
+}

Server/services/invitations/pkg/config/service.go

@@ -0,0 +1,6 @@
+package config
+
+// Service defines the available service configuration.
+type Service struct {
+	Name string `yaml:"-"`
+}