Centralize config

config/config.go

@@ -0,0 +1,26 @@
+package config
+
+import (
+	"os"
+)
+
+type (
+	Config struct {
+		MatrixIdentityServer   string
+		MatrixWellKnownAddress string
+	}
+)
+
+func GetConfig() Config {
+	return Config{
+		MatrixIdentityServer:   getEnv("MATRIX_IDENTITY_SERVER", ""),
+		MatrixWellKnownAddress: getEnv("MATRIX_WELL_KNOWN_ADDRESS", ""),
+	}
+}
+
+func getEnv(key, fallback string) string {
+	if value, ok := os.LookupEnv(key); ok {
+		return value
+	}
+	return fallback
+}

matrix/matrix.go

@@ -4,7 +4,8 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"os"
+
+	"git.minhas.io/asara/well-goknown/config"
 )
 
 type matrixServerWellKnown struct {
@@ -13,8 +14,8 @@ type matrixServerWellKnown struct {
 
 func MatrixServer(w http.ResponseWriter, req *http.Request) {
 	// uses an environment variable for now
-	wellKnownAddr, ok := os.LookupEnv("MATRIX_WELL_KNOWN_ADDRESS")
+	wellKnownAddr := config.GetConfig().MatrixWellKnownAddress
-	if !ok {
+	if wellKnownAddr == "" {
 		w.WriteHeader(http.StatusNotFound)
 		return
 	}
@@ -42,14 +43,14 @@ type matrixClientWellKnown struct {
 
 func MatrixClient(w http.ResponseWriter, req *http.Request) {
 	// uses an environment variable for now
-	wellKnownAddr, ok := os.LookupEnv("MATRIX_WELL_KNOWN_ADDRESS")
+	wellKnownAddr := config.GetConfig().MatrixWellKnownAddress
-	if !ok {
+	if wellKnownAddr == "" {
 		w.WriteHeader(http.StatusNotFound)
 		return
 	}
 
-	identityServer, ok := os.LookupEnv("MATRIX_IDENTITY_SERVER")
+	identityServer := config.GetConfig().MatrixIdentityServer
-	if !ok {
+	if identityServer == "" {
 		w.Header().Set("Content-Type", "application/json")
 		w.WriteHeader(http.StatusOK)
 		baseUrl := &matrixClientWellKnown{