refactor: move types into a single file for each package

pkg/config.go

@@ -16,7 +16,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 import (
-	"context"
 	"fmt"
 	"github.com/jkaninda/goma-gateway/internal/logger"
 	"github.com/jkaninda/goma-gateway/util"
@@ -27,165 +26,6 @@ import (
 
 var cfg *Gateway
 
-type Config struct {
-	file string
-}
-type BasicRuleMiddleware struct {
-	Username string `yaml:"username"`
-	Password string `yaml:"password"`
-}
-
-type Cors struct {
-	// Cors Allowed origins,
-	//e.g:
-	//
-	// - http://localhost:80
-	//
-	// - https://example.com
-	Origins []string `yaml:"origins"`
-	//
-	//e.g:
-	//
-	//Access-Control-Allow-Origin: '*'
-	//
-	//    Access-Control-Allow-Methods: 'GET, POST, PUT, DELETE, OPTIONS'
-	//
-	//    Access-Control-Allow-Cors: 'Content-Type, Authorization'
-	Headers map[string]string `yaml:"headers"`
-}
-
-// JWTRuleMiddleware authentication using HTTP GET method
-//
-// JWTRuleMiddleware contains the authentication details
-type JWTRuleMiddleware struct {
-	// URL contains the authentication URL, it supports HTTP GET method only.
-	URL string `yaml:"url"`
-	// RequiredHeaders , contains required before sending request to the backend.
-	RequiredHeaders []string `yaml:"requiredHeaders"`
-	// Headers Add header to the backend from Authentication request's header, depending on your requirements.
-	// Key is Http's response header Key, and value  is the backend Request's header Key.
-	// In case you want to get headers from Authentication service and inject them to backend request's headers.
-	Headers map[string]string `yaml:"headers"`
-	// Params same as Headers, contains the request params.
-	//
-	// Gets authentication headers from authentication request and inject them as request params to the backend.
-	//
-	// Key is Http's response header Key, and value  is the backend Request's request param Key.
-	//
-	// In case you want to get headers from Authentication service and inject them to next request's params.
-	//
-	//e.g: Header X-Auth-UserId to query userId
-	Params map[string]string `yaml:"params"`
-}
-type RateLimiter struct {
-	// ipBased, tokenBased
-	Type string  `yaml:"type"`
-	Rate float64 `yaml:"rate"`
-	Rule int     `yaml:"rule"`
-}
-
-type AccessRuleMiddleware struct {
-	ResponseCode int `yaml:"responseCode"` // HTTP Response code
-}
-
-// Middleware defined the route middleware
-type Middleware struct {
-	//Path contains the name of middleware and must be unique
-	Name string `yaml:"name"`
-	// Type contains authentication types
-	//
-	// basic, jwt, auth0, rateLimit, access
-	Type  string   `yaml:"type"`  // Middleware type [basic, jwt, auth0, rateLimit, access]
-	Paths []string `yaml:"paths"` // Protected paths
-	// Rule contains rule type of
-	Rule interface{} `yaml:"rule"` // Middleware rule
-}
-type MiddlewareName struct {
-	name string `yaml:"name"`
-}
-
-// Route defines gateway route
-type Route struct {
-	// Name defines route name
-	Name string `yaml:"name"`
-	//Host Domain/host based request routing
-	Host string `yaml:"host"`
-	// Path defines route path
-	Path string `yaml:"path"`
-	// Rewrite rewrites route path to desired path
-	//
-	// E.g. /cart to / => It will rewrite /cart path to /
-	Rewrite string `yaml:"rewrite"`
-	// Destination Defines backend URL
-	Destination string `yaml:"destination"`
-	// Cors contains the route cors headers
-	Cors Cors `yaml:"cors"`
-	// DisableHeaderXForward Disable X-forwarded header.
-	//
-	// [X-Forwarded-Host, X-Forwarded-For, Host, Scheme ]
-	//
-	// It will not match the backend route
-	DisableHeaderXForward bool `yaml:"disableHeaderXForward"`
-	// HealthCheck Defines the backend is health check PATH
-	HealthCheck string `yaml:"healthCheck"`
-	// InterceptErrors intercepts backend errors based on the status codes
-	//
-	// Eg: [ 403, 405, 500 ]
-	InterceptErrors []int `yaml:"interceptErrors"`
-	// Middlewares Defines route middleware from Middleware names
-	Middlewares []string `yaml:"middlewares"`
-}
-
-// Gateway contains Goma Proxy Gateway's configs
-type Gateway struct {
-	// ListenAddr Defines the server listenAddr
-	//
-	//e.g: localhost:8080
-	ListenAddr string `yaml:"listenAddr" env:"GOMA_LISTEN_ADDR, overwrite"`
-	// WriteTimeout defines proxy write timeout
-	WriteTimeout int `yaml:"writeTimeout" env:"GOMA_WRITE_TIMEOUT, overwrite"`
-	// ReadTimeout defines proxy read timeout
-	ReadTimeout int `yaml:"readTimeout" env:"GOMA_READ_TIMEOUT, overwrite"`
-	// IdleTimeout defines proxy idle timeout
-	IdleTimeout int `yaml:"idleTimeout" env:"GOMA_IDLE_TIMEOUT, overwrite"`
-	// RateLimiter Defines number of request peer minute
-	RateLimiter int    `yaml:"rateLimiter" env:"GOMA_RATE_LIMITER, overwrite"`
-	AccessLog   string `yaml:"accessLog" env:"GOMA_ACCESS_LOG, overwrite"`
-	ErrorLog    string `yaml:"errorLog" env:"GOMA_ERROR_LOG=, overwrite"`
-	// DisableHealthCheckStatus enable and disable routes health check
-	DisableHealthCheckStatus bool `yaml:"disableHealthCheckStatus"`
-	// DisableRouteHealthCheckError allows enabling and disabling backend healthcheck errors
-	DisableRouteHealthCheckError bool `yaml:"disableRouteHealthCheckError"`
-	//Disable allows enabling and disabling displaying routes on start
-	DisableDisplayRouteOnStart bool `yaml:"disableDisplayRouteOnStart"`
-	// DisableKeepAlive allows enabling and disabling KeepALive server
-	DisableKeepAlive bool `yaml:"disableKeepAlive"`
-	// InterceptErrors holds the status codes to intercept the error from backend
-	InterceptErrors []int `yaml:"interceptErrors"`
-	// Cors holds proxy global cors
-	Cors Cors `yaml:"cors"`
-	// Routes holds proxy routes
-	Routes []Route `yaml:"routes"`
-}
-type GatewayConfig struct {
-	// GatewayConfig holds Gateway config
-	GatewayConfig Gateway `yaml:"gateway"`
-	// Middlewares holds proxy middlewares
-	Middlewares []Middleware `yaml:"middlewares"`
-}
-
-// ErrorResponse represents the structure of the JSON error response
-type ErrorResponse struct {
-	Success bool   `json:"success"`
-	Code    int    `json:"code"`
-	Message string `json:"message"`
-}
-type GatewayServer struct {
-	ctx         context.Context
-	gateway     Gateway
-	middlewares []Middleware
-}
-
 // Config reads config file and returns Gateway
 func (GatewayServer) Config(configFile string) (*GatewayServer, error) {
 	if util.FileExists(configFile) {