Fix auth system not getting enabled

flag.go

@@ -8,7 +8,6 @@ import (
 	"path/filepath"
 
 	"github.com/bouncepaw/mycorrhiza/assets"
-	"github.com/bouncepaw/mycorrhiza/user"
 	"github.com/bouncepaw/mycorrhiza/util"
 )
 
@@ -55,5 +54,4 @@ func parseCliArgs() {
 	util.HomePage = util.CanonicalName(util.HomePage)
 	util.UserHypha = util.CanonicalName(util.UserHypha)
 	util.HeaderLinksHypha = util.CanonicalName(util.HeaderLinksHypha)
-	user.AuthUsed = util.UseFixedAuth || util.UseRegistration
 }

main.go

@@ -6,7 +6,6 @@ package main
 
 import (
 	"fmt"
-	"github.com/bouncepaw/mycorrhiza/files"
 	"io/ioutil"
 	"log"
 	"math/rand"
@@ -15,6 +14,7 @@ import (
 	"strings"
 
 	"github.com/bouncepaw/mycorrhiza/assets"
+	"github.com/bouncepaw/mycorrhiza/files"
 	"github.com/bouncepaw/mycorrhiza/history"
 	"github.com/bouncepaw/mycorrhiza/hyphae"
 	"github.com/bouncepaw/mycorrhiza/shroom"
@@ -193,9 +193,9 @@ func main() {
 	hyphae.Index(WikiDir)
 	log.Println("Indexed", hyphae.Count(), "hyphae")
 
-	if user.AuthUsed && (util.FixedCredentialsPath != "" || util.RegistrationCredentialsPath != "") {
+	// Initialize user database
-		user.ReadUsersFromFilesystem()
+	user.InitUserDatabase()
-	}
+
 	history.Start(WikiDir)
 	shroom.SetHeaderLinks()
 

user/files.go

@@ -2,14 +2,25 @@ package user
 
 import (
 	"encoding/json"
-	"github.com/bouncepaw/mycorrhiza/files"
-	"github.com/bouncepaw/mycorrhiza/util"
 	"io/ioutil"
 	"log"
 	"os"
+
+	"github.com/bouncepaw/mycorrhiza/files"
+	"github.com/bouncepaw/mycorrhiza/util"
 )
 
-// ReadUsersFromFilesystem reads all user information from filesystem and stores it internally. Call it during initialization.
+// InitUserDatabase checks the configuration for auth methods and loads users
+// if necessary. Call it during initialization.
+func InitUserDatabase() {
+	AuthUsed = util.UseFixedAuth || util.UseRegistration
+
+	if AuthUsed && (util.FixedCredentialsPath != "" || util.RegistrationCredentialsPath != "") {
+		ReadUsersFromFilesystem()
+	}
+}
+
+// ReadUsersFromFilesystem reads all user information from filesystem and stores it internally.
 func ReadUsersFromFilesystem() {
 	if util.UseFixedAuth {
 		rememberUsers(usersFromFixedCredentials())