convert all email addresses to lower case (#14)

internal/authentication/providers/password/provider.go

@@ -108,6 +108,7 @@ func (provider Provider) GetUserModel(ctx *authentication.AuthContext) (*authent
 }
 
 func (provider Provider) InitializeAdmin(email, password string) error {
+	email = strings.ToLower(email)
 	if !emailRegex.MatchString(email) {
 		return errors.New("admin username must be an email address")
 	}

internal/common/db.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"sort"
 	"time"
 
 	"github.com/pkg/errors"
@@ -14,6 +15,22 @@ import (
 	"gorm.io/gorm/logger"
 )
 
+func init() {
+	migrations = append(migrations, Migration{
+		version: "1.0.7",
+		migrateFn: func(db *gorm.DB) error {
+			if err := db.Exec("UPDATE users SET email = LOWER(email)").Error; err != nil {
+				return errors.Wrap(err, "failed to convert user emails to lower case")
+			}
+			if err := db.Exec("UPDATE peers SET email = LOWER(email)").Error; err != nil {
+				return errors.Wrap(err, "failed to convert peer emails to lower case")
+			}
+			logrus.Infof("upgraded database format to version 1.0.7")
+			return nil
+		},
+	})
+}
+
 type SupportedDatabase string
 
 const (
@@ -80,16 +97,18 @@ type DatabaseMigrationInfo struct {
 	Applied time.Time
 }
 
+type Migration struct {
+	version   string
+	migrateFn func(db *gorm.DB) error
+}
+
+var migrations []Migration
+
 func MigrateDatabase(db *gorm.DB, version string) error {
 	if err := db.AutoMigrate(&DatabaseMigrationInfo{}); err != nil {
 		return errors.Wrap(err, "failed to migrate version database")
 	}
 
-	newVersion := DatabaseMigrationInfo{
-		Version: version,
-		Applied: time.Now(),
-	}
-
 	existingMigration := DatabaseMigrationInfo{}
 	db.Where("version = ?", version).FirstOrInit(&existingMigration)
 
@@ -97,11 +116,24 @@ func MigrateDatabase(db *gorm.DB, version string) error {
 		lastVersion := DatabaseMigrationInfo{}
 		db.Order("applied desc, version desc").FirstOrInit(&lastVersion)
 
-		// TODO: migrate database
+		sort.Slice(migrations, func(i, j int) bool {
+			return migrations[i].version < migrations[j].version
+		})
 
-		res := db.Create(&newVersion)
+		for _, migration := range migrations {
-		if res.Error != nil {
+			if migration.version > lastVersion.Version {
-			return errors.Wrap(res.Error, "failed to write version to database")
+				if err := migration.migrateFn(db); err != nil {
+					return errors.Wrapf(err, "failed to migrate to version %s", migration.version)
+				}
+
+				res := db.Create(&DatabaseMigrationInfo{
+					Version: migration.version,
+					Applied: time.Now(),
+				})
+				if res.Error != nil {
+					return errors.Wrapf(res.Error, "failed to write version %s to database", migration.version)
+				}
+			}
 		}
 	}
 

internal/server/version.go

@@ -1,4 +1,4 @@
 package server
 
 var Version = "testbuild"
-var DatabaseVersion = "1.0.6"
+var DatabaseVersion = "1.0.7"

internal/users/manager.go

@@ -51,6 +51,8 @@ func (m Manager) UserExists(email string) bool {
 }
 
 func (m Manager) GetUser(email string) *User {
+	email = strings.ToLower(email)
+
 	user := User{}
 	m.db.Where("email = ?", email).First(&user)
 
@@ -62,6 +64,8 @@ func (m Manager) GetUser(email string) *User {
 }
 
 func (m Manager) GetUserUnscoped(email string) *User {
+	email = strings.ToLower(email)
+
 	user := User{}
 	m.db.Unscoped().Where("email = ?", email).First(&user)
 
@@ -93,6 +97,8 @@ func (m Manager) GetFilteredAndSortedUsersUnscoped(sortKey, sortDirection, searc
 }
 
 func (m Manager) GetOrCreateUser(email string) (*User, error) {
+	email = strings.ToLower(email)
+
 	user := User{}
 	m.db.Where("email = ?", email).FirstOrInit(&user)
 
@@ -113,6 +119,8 @@ func (m Manager) GetOrCreateUser(email string) (*User, error) {
 }
 
 func (m Manager) GetOrCreateUserUnscoped(email string) (*User, error) {
+	email = strings.ToLower(email)
+
 	user := User{}
 	m.db.Unscoped().Where("email = ?", email).FirstOrInit(&user)
 
@@ -133,6 +141,7 @@ func (m Manager) GetOrCreateUserUnscoped(email string) (*User, error) {
 }
 
 func (m Manager) CreateUser(user *User) error {
+	user.Email = strings.ToLower(user.Email)
 	res := m.db.Create(user)
 	if res.Error != nil {
 		return errors.Wrapf(res.Error, "failed to create user %s", user.Email)
@@ -142,6 +151,7 @@ func (m Manager) CreateUser(user *User) error {
 }
 
 func (m Manager) UpdateUser(user *User) error {
+	user.Email = strings.ToLower(user.Email)
 	res := m.db.Save(user)
 	if res.Error != nil {
 		return errors.Wrapf(res.Error, "failed to update user %s", user.Email)
@@ -151,6 +161,7 @@ func (m Manager) UpdateUser(user *User) error {
 }
 
 func (m Manager) DeleteUser(user *User) error {
+	user.Email = strings.ToLower(user.Email)
 	res := m.db.Delete(user)
 	if res.Error != nil {
 		return errors.Wrapf(res.Error, "failed to update user %s", user.Email)

internal/wireguard/peermanager.go

@@ -623,6 +623,7 @@ func (m *PeerManager) GetFilteredAndSortedPeers(device, sortKey, sortDirection,
 }
 
 func (m *PeerManager) GetSortedPeersForEmail(sortKey, sortDirection, email string) []Peer {
+	email = strings.ToLower(email)
 	peers := make([]Peer, 0)
 	m.db.Where("email = ?", email).Find(&peers)
 
@@ -691,6 +692,7 @@ func (m *PeerManager) GetPeerByKey(publicKey string) Peer {
 }
 
 func (m *PeerManager) GetPeersByMail(mail string) []Peer {
+	mail = strings.ToLower(mail)
 	var peers []Peer
 	m.db.Where("email = ?", mail).Find(&peers)
 	for i := range peers {
@@ -706,6 +708,7 @@ func (m *PeerManager) CreatePeer(peer Peer) error {
 	peer.UID = fmt.Sprintf("u%x", md5.Sum([]byte(peer.PublicKey)))
 	peer.UpdatedAt = time.Now()
 	peer.CreatedAt = time.Now()
+	peer.Email = strings.ToLower(peer.Email)
 
 	res := m.db.Create(&peer)
 	if res.Error != nil {
@@ -718,6 +721,7 @@ func (m *PeerManager) CreatePeer(peer Peer) error {
 
 func (m *PeerManager) UpdatePeer(peer Peer) error {
 	peer.UpdatedAt = time.Now()
+	peer.Email = strings.ToLower(peer.Email)
 
 	res := m.db.Save(&peer)
 	if res.Error != nil {