add working signup + login

assets/scss/style.scss

@@ -24,3 +24,7 @@ body {
 		flex-direction: column;
 	}
 }
+
+.hidden {
+	display: none;
+}

cmd/seed/seed.go

@@ -30,7 +30,7 @@ func run(c *cli.Context) error {
 		return errors.Wrap(err, "creating postgres database")
 	}
 
-	a, err := app.NewApp(cfg, db)
+	a, err := app.NewApp(c.Context, cfg, db)
 	if err != nil {
 		return errors.Wrap(err, "creating app")
 	}

cmd/web/cmd.go

@@ -39,7 +39,7 @@ func run(c *cli.Context) error {
 		return errors.Wrap(err, "creating postgres database")
 	}
 
-	a, err := app.NewApp(cfg, db)
+	a, err := app.NewApp(c.Context, cfg, db)
 	if err != nil {
 		return errors.Wrap(err, "creating app")
 	}

config.example.toml

@@ -0,0 +1,8 @@
+[core]
+postgres = "postgresql://mercury:password@localhost/mercury"
+dev = true
+secret_key = "" # generate with `openssl rand -base64 48`
+
+[web]
+domain = "http://mercury.local"
+port = 8000

config/config.go

@@ -14,6 +14,7 @@ type WebConfig struct {
 }
 
 type CoreConfig struct {
-	Postgres string `toml:"postgres"`
-	Dev      bool   `toml:"dev"`
+	Postgres  string `toml:"postgres"`
+	Dev       bool   `toml:"dev"`
+	SecretKey string `toml:"secret_key"`
 }

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/georgysavva/scany/v2 v2.0.0
 	github.com/go-chi/chi/v5 v5.0.8
 	github.com/go-chi/render v1.0.2
+	github.com/golang-jwt/jwt/v4 v4.5.0
 	github.com/jackc/pgx/v5 v5.0.0
 	github.com/keegancsmith/sqlf v1.1.1
 	github.com/oklog/ulid/v2 v2.1.0

go.sum

@@ -138,6 +138,8 @@ github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
+github.com/golang-jwt/jwt/v4 v4.5.0 h1:7cYmW1XlMY7h7ii7UhUyChSgS5wUJEnm9uZVTGqOWzg=
+github.com/golang-jwt/jwt/v4 v4.5.0/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=

internal/concurrent/value.go

@@ -0,0 +1,30 @@
+package concurrent
+
+import "sync"
+
+// Value is a struct providing concurrent access to another type.
+// Note: T should be a concrete type, not a pointer.
+type Value[T any] struct {
+	val T
+	mu  sync.RWMutex
+}
+
+func NewValue[T any](value T) *Value[T] {
+	return &Value[T]{
+		val: value,
+	}
+}
+
+func (v *Value[T]) Get() T {
+	v.mu.RLock()
+	val := v.val
+	v.mu.RUnlock()
+
+	return val
+}
+
+func (v *Value[T]) Set(new T) {
+	v.mu.Lock()
+	v.val = new
+	v.mu.Unlock()
+}

internal/database/config.go

@@ -3,8 +3,12 @@ package database
 import "github.com/oklog/ulid/v2"
 
 type Config struct {
-	Name    string
-	AdminID *ulid.ULID
+	Name                string
+	AdminID             *ulid.ULID
+	InternalApplication *ulid.ULID
+
+	// ID is always 1
+	ID int
 }
 
 var DefaultConfig = Config{

internal/database/migrations/1680618019_create_initial_tables.sql

@@ -38,7 +38,31 @@ create table posts (
     visibility post_visibility not null
 );
 
+create table applications (
+    id text primary key,
+    name text not null
+);
+
+create table tokens (
+    id      text primary key,
+    app_id  text not null references applications (id) on delete cascade,
+    user_id text not null references accounts (id) on delete cascade,
+    scopes  text[] not null default array[]::text[],
+    expires timestamptz not null
+);
+
+create table config (
+    id int primary key not null default 1,
+    name text not null, -- instance name
+    admin_id text references blogs (id) on delete set null, -- admin contact
+    internal_application text references applications (id) on delete set null,
+    constraint singleton check (id = 1) -- only one config table entry
+);
+
 -- +migrate Down
+drop table config;
+drop table tokens;
+drop table applications;
 drop table accounts;
 drop table blogs;
 drop table posts;

internal/database/sql/account.go

@@ -37,8 +37,13 @@ func (s *AccountStore) ByID(ctx context.Context, id ulid.ULID) (a database.Accou
 }
 
 // ByUsername gets an account by its username.
-func (s *AccountStore) ByUsername(ctx context.Context, username string, host *string) (a database.Account, err error) {
-	q := sqlf.Sprintf("SELECT * FROM accounts WHERE username = %s AND host = %v", username, host)
+func (s *AccountStore) ByUsername(ctx context.Context, username, domain string) (a database.Account, err error) {
+	q := sqlf.Sprintf("SELECT * FROM accounts WHERE username = %s", username)
+	if domain == "" {
+		q = sqlf.Sprintf("%v AND domain IS NULL", q)
+	} else {
+		q = sqlf.Sprintf("%v AND domain = %s", q, domain)
+	}
 
 	a, err = Get[database.Account](ctx, s.q, q)
 	if err != nil {
@@ -64,7 +69,7 @@ func (s *AccountStore) CreateLocal(
 	}
 
 	q := sqlf.Sprintf(
-		"INSERT INTO accounts (id, username, host, email, password) VALUES (%s, %v, NULL, %v, %v) RETURNING *",
+		"INSERT INTO accounts (id, username, domain, email, password) VALUES (%s, %v, NULL, %v, %v) RETURNING *",
 		makeULID(), username, email, hash)
 
 	a, err = Get[database.Account](ctx, s.q, q)

internal/database/sql/config.go

@@ -0,0 +1,51 @@
+package sql
+
+import (
+	"context"
+
+	"emperror.dev/errors"
+	"git.sleepycat.moe/sam/mercury/internal/database"
+	"github.com/keegancsmith/sqlf"
+)
+
+// ConfigStore is the interface to configs in the database.
+type ConfigStore struct {
+	q Querier
+}
+
+// NewConfigStore creates a new ConfigStore instance.
+func NewConfigStore(q Querier) *ConfigStore {
+	return &ConfigStore{q: q}
+}
+
+func (s *ConfigStore) initConfig(ctx context.Context) error {
+	q := sqlf.Sprintf(`INSERT INTO config
+	(id, name)
+	VALUES (1, %s)
+	ON CONFLICT (id) DO NOTHING`, database.DefaultConfig.Name)
+
+	err := Exec(ctx, s.q, q)
+	return errors.Wrap(err, "executing query")
+}
+
+func (s *ConfigStore) Get(ctx context.Context) (database.Config, error) {
+	q := sqlf.Sprintf("SELECT * FROM config WHERE id = 1")
+
+	return Get[database.Config](ctx, s.q, q)
+}
+
+func (s *ConfigStore) Set(ctx context.Context, cur, new database.Config) (database.Config, error) {
+	q := sqlf.Sprintf("UPDATE config SET")
+	if cur.Name != new.Name {
+		q = sqlf.Sprintf("%v name = %v,", q, new.Name)
+	}
+	if cur.AdminID != new.AdminID {
+		q = sqlf.Sprintf("%v admin_id = %v,", q, new.AdminID)
+	}
+	if cur.InternalApplication != new.InternalApplication {
+		q = sqlf.Sprintf("%v internal_application = %v,", q, new.InternalApplication)
+	}
+	q = sqlf.Sprintf("%v id = %v WHERE id = %v RETURNING *", q, cur.ID, cur.ID)
+
+	return Get[database.Config](ctx, s.q, q)
+}

internal/database/sql/database.go

@@ -5,6 +5,7 @@ import (
 	"context"
 
 	"emperror.dev/errors"
+	"git.sleepycat.moe/sam/mercury/internal/database"
 	"github.com/jackc/pgx/v5/pgxpool"
 	"github.com/oklog/ulid/v2"
 )
@@ -24,9 +25,55 @@ func NewBase(ctx context.Context, connString string) (*Base, error) {
 	base := &Base{
 		pool: pool,
 	}
+
+	// create configuration
+	if err := base.initSingletons(ctx); err != nil {
+		return nil, errors.Wrap(err, "initializing configuration")
+	}
+
 	return base, nil
 }
 
+func (base *Base) initSingletons(ctx context.Context) error {
+	err := NewConfigStore(base.pool).initConfig(ctx)
+	if err != nil {
+		return errors.Wrap(err, "initializing configuration")
+	}
+
+	cfg, err := NewConfigStore(base.pool).Get(ctx)
+	if err != nil {
+		return errors.Wrap(err, "getting configuration")
+	}
+
+	if cfg.InternalApplication == nil {
+		tx, err := base.BeginTx(ctx)
+		if err != nil {
+			return errors.Wrap(err, "creating transaction")
+		}
+		defer tx.Rollback(ctx)
+
+		app, err := NewTokenStore(tx).CreateApplication(ctx, database.InternalApplicationName)
+		if err != nil {
+			return errors.Wrap(err, "creating internal application")
+		}
+
+		newCfg := cfg
+		newCfg.InternalApplication = &app.ID
+
+		cfg, err = NewConfigStore(tx).Set(ctx, cfg, newCfg)
+		if err != nil {
+			return errors.Wrap(err, "updating configuration")
+		}
+
+		err = tx.Commit(ctx)
+		if err != nil {
+			return errors.Wrap(err, "committing transaction")
+		}
+	}
+
+	return nil
+}
+
 // Acquire acquires a connection from the database pool.
 // It is the caller's responsibility to call the Release method.
 func (base *Base) Acquire(ctx context.Context) (ReleaseableQuerier, error) {

internal/database/sql/queries.go

@@ -48,3 +48,8 @@ func Get[T any](ctx context.Context, querier Querier, query *sqlf.Query) (T, err
 	}
 	return dst, nil
 }
+
+func Exec(ctx context.Context, querier Querier, query *sqlf.Query) error {
+	_, err := querier.Exec(ctx, query.Query(sqlf.PostgresBindVar), query.Args()...)
+	return err
+}

internal/database/sql/token.go

@@ -0,0 +1,52 @@
+package sql
+
+import (
+	"context"
+	"time"
+
+	"emperror.dev/errors"
+	"git.sleepycat.moe/sam/mercury/internal/database"
+	"github.com/keegancsmith/sqlf"
+	"github.com/oklog/ulid/v2"
+)
+
+// TokenStore is the interface to tokens in the database.
+type TokenStore struct {
+	q Querier
+}
+
+// NewTokenStore creates a new TokenStore instance.
+func NewTokenStore(q Querier) *TokenStore {
+	return &TokenStore{q: q}
+}
+
+func (s *TokenStore) Get(ctx context.Context, id ulid.ULID) (database.Token, error) {
+	q := sqlf.Sprintf("SELECT * FROM tokens WHERE id = %s", id)
+
+	t, err := Get[database.Token](ctx, s.q, q)
+	return t, errors.Wrap(err, "executing query")
+}
+
+func (s *TokenStore) GetApplication(ctx context.Context, id ulid.ULID) (database.Application, error) {
+	q := sqlf.Sprintf("SELECT * FROM applications WHERE id = %s", id)
+
+	app, err := Get[database.Application](ctx, s.q, q)
+	return app, errors.Wrap(err, "executing query")
+}
+
+func (s *TokenStore) Create(ctx context.Context, userID, appID ulid.ULID, scopes []string, expires time.Time) (database.Token, error) {
+	q := sqlf.Sprintf(`INSERT INTO tokens
+	(id, user_id, app_id, scopes, expires)
+	values (%s, %s, %s, %v, %v)
+	RETURNING *`, makeULID(), userID, appID, scopes, expires)
+
+	t, err := Get[database.Token](ctx, s.q, q)
+	return t, errors.Wrap(err, "executing query")
+}
+
+func (s *TokenStore) CreateApplication(ctx context.Context, name string) (database.Application, error) {
+	q := sqlf.Sprintf("INSERT INTO applications (id, name) VALUES (%s, %s) RETURNING *", makeULID(), name)
+
+	app, err := Get[database.Application](ctx, s.q, q)
+	return app, errors.Wrap(err, "executing query")
+}

internal/database/token.go

@@ -0,0 +1,45 @@
+package database
+
+import (
+	"time"
+
+	"github.com/golang-jwt/jwt/v4"
+	"github.com/oklog/ulid/v2"
+)
+
+const InternalApplicationName = "mercury_internal"
+const TokenCookieName = "mercury_token"
+
+type Application struct {
+	ID   ulid.ULID
+	Name string
+}
+
+type Token struct {
+	ID      ulid.ULID
+	AppID   ulid.ULID
+	UserID  ulid.ULID
+	Scopes  []string
+	Expires time.Time
+}
+
+func (t Token) ToClaims() TokenClaims {
+	createdAt := ulid.Time(t.ID.Time())
+
+	return TokenClaims{
+		TokenID: t.ID,
+		UserID:  t.UserID,
+		RegisteredClaims: jwt.RegisteredClaims{
+			Issuer:    "mercury",
+			ExpiresAt: jwt.NewNumericDate(t.Expires),
+			IssuedAt:  jwt.NewNumericDate(createdAt),
+			NotBefore: jwt.NewNumericDate(createdAt),
+		},
+	}
+}
+
+type TokenClaims struct {
+	TokenID ulid.ULID `json:"jti"`
+	UserID  ulid.ULID `json:"sub"`
+	jwt.RegisteredClaims
+}

web/app/app.go

@@ -1,8 +1,13 @@
 package app
 
 import (
+	"context"
+	"encoding/base64"
+
 	"emperror.dev/errors"
 	"git.sleepycat.moe/sam/mercury/config"
+	"git.sleepycat.moe/sam/mercury/internal/concurrent"
+	"git.sleepycat.moe/sam/mercury/internal/database"
 	"git.sleepycat.moe/sam/mercury/internal/database/sql"
 	"git.sleepycat.moe/sam/mercury/web/templates"
 	"github.com/flosch/pongo2/v6"
@@ -10,31 +15,54 @@ import (
 	"github.com/go-chi/chi/v5/middleware"
 )
 
+const (
+	ErrSecretKeyEmpty = errors.Sentinel("core.secret_key cannot be empty")
+)
+
 type App struct {
 	Router chi.Router
 
-	Config   config.Config
-	Database *sql.Base
+	AppConfig config.Config
+	DBConfig  *concurrent.Value[database.Config]
+	Database  *sql.Base
 
-	tmpl *pongo2.TemplateSet
+	tmpl     *pongo2.TemplateSet
+	tokenKey []byte
 }
 
-func NewApp(cfg config.Config, db *sql.Base) (*App, error) {
+func NewApp(ctx context.Context, cfg config.Config, db *sql.Base) (*App, error) {
 	app := &App{
-		Router:   chi.NewRouter(),
-		Config:   cfg,
-		Database: db,
+		Router:    chi.NewRouter(),
+		AppConfig: cfg,
+		Database:  db,
 	}
 
+	if cfg.Core.SecretKey == "" {
+		return nil, ErrSecretKeyEmpty
+	}
+	tokenKey, err := base64.RawStdEncoding.DecodeString(cfg.Core.SecretKey)
+	if err != nil {
+		return nil, errors.Wrap(err, "decoding core.secret_key")
+	}
+	app.tokenKey = tokenKey
+
 	tmpl, err := templates.New(cfg.Core.Dev)
 	if err != nil {
 		return nil, errors.Wrap(err, "creating templates")
 	}
 	app.tmpl = tmpl
 
-	app.Router.Use(app.Logger)
+	if cfg.Core.Dev {
+		app.Router.Use(app.Logger)
+	}
 	app.Router.Use(middleware.Recoverer)
 
+	dbCfg, err := app.Config().Get(ctx)
+	if err != nil {
+		return nil, errors.Wrap(err, "getting database config")
+	}
+	app.DBConfig = concurrent.NewValue(dbCfg)
+
 	return app, nil
 }
 
@@ -52,9 +80,23 @@ func (a *App) Blog(q ...sql.Querier) *sql.BlogStore {
 	return sql.NewBlogStore(q[0])
 }
 
+func (a *App) Config(q ...sql.Querier) *sql.ConfigStore {
+	if len(q) == 0 || q[0] == nil {
+		return sql.NewConfigStore(a.Database.PoolQuerier())
+	}
+	return sql.NewConfigStore(q[0])
+}
+
 func (a *App) Post(q ...sql.Querier) *sql.PostStore {
 	if len(q) == 0 || q[0] == nil {
 		return sql.NewPostStore(a.Database.PoolQuerier())
 	}
 	return sql.NewPostStore(q[0])
 }
+
+func (a *App) Token(q ...sql.Querier) *sql.TokenStore {
+	if len(q) == 0 || q[0] == nil {
+		return sql.NewTokenStore(a.Database.PoolQuerier())
+	}
+	return sql.NewTokenStore(q[0])
+}

web/app/log.go

@@ -29,7 +29,7 @@ func (a *App) Logger(next http.Handler) http.Handler {
 			}
 
 			// log end request
-			log.Info().
+			log.Debug().
 				Timestamp().
 				Str("remote_ip", r.RemoteAddr).
 				Str("url", r.URL.Path).

web/app/template.go

@@ -14,6 +14,7 @@ func (app *App) Template(w http.ResponseWriter, r *http.Request, tmplName string
 	}
 
 	tctx := pongo2.Context{
+		"config":        app.DBConfig.Get(),
 		"flash_message": app.getFlash(w, r),
 	}
 	tctx.Update(ctx)

web/app/token.go

@@ -0,0 +1,41 @@
+package app
+
+import (
+	"context"
+	"fmt"
+
+	"emperror.dev/errors"
+	"git.sleepycat.moe/sam/mercury/internal/database"
+	"github.com/golang-jwt/jwt/v4"
+)
+
+func (app *App) TokenToJWT(token database.Token) (string, error) {
+	t := jwt.NewWithClaims(jwt.SigningMethodHS256, token.ToClaims())
+
+	return t.SignedString(app.tokenKey)
+}
+
+func (app *App) ParseToken(ctx context.Context, token string) (t database.Token, err error) {
+	parsed, err := jwt.ParseWithClaims(token, &database.TokenClaims{}, func(t *jwt.Token) (interface{}, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, fmt.Errorf(`unexpected signing method "%v"`, t.Header["alg"])
+		}
+
+		return app.tokenKey, nil
+	})
+
+	if err != nil {
+		return t, errors.Wrap(err, "parsing token")
+	}
+
+	c, ok := parsed.Claims.(*database.TokenClaims)
+	if !ok || !parsed.Valid {
+		return t, fmt.Errorf("unknown claims type %T", parsed.Claims)
+	}
+
+	t, err = app.Token().Get(ctx, c.TokenID)
+	if err != nil {
+		return t, errors.Wrap(err, "getting token from database")
+	}
+	return t, nil
+}

web/auth/login.go

@@ -1,11 +1,92 @@
 package auth
 
 import (
+	"math"
 	"net/http"
+	"time"
 
+	"git.sleepycat.moe/sam/mercury/internal/database"
 	"github.com/flosch/pongo2/v6"
+	"github.com/rs/zerolog/log"
 )
 
 func (app *Auth) GetLogin(w http.ResponseWriter, r *http.Request) {
-	app.Template(w, r, "auth/login.tpl", pongo2.Context{})
+	app.Template(w, r, "auth/login.tpl", pongo2.Context{
+		"totp": false,
+	})
+}
+
+func (app *Auth) PostLogin(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	username := r.FormValue("username")
+	password := r.FormValue("password")
+	if username == "" {
+		app.Flash(w, "Username cannot be empty.")
+		app.Template(w, r, "auth/login.tpl", pongo2.Context{
+			"totp":          false,
+			"flash_message": "Username cannot be empty.",
+		})
+		return
+	} else if password == "" {
+		app.Flash(w, "Password cannot be empty.")
+		app.Template(w, r, "auth/login.tpl", pongo2.Context{
+			"totp":          false,
+			"flash_message": "Password cannot be empty.",
+		})
+		return
+	}
+
+	conn, err := app.Database.Acquire(ctx)
+	if err != nil {
+		log.Err(err).Msg("acquiring database connection")
+		return
+	}
+	defer conn.Release()
+
+	acct, err := app.Account(conn).ByUsername(ctx, username, "")
+	if err != nil {
+		log.Err(err).Msg("finding account")
+
+		app.Flash(w, "Username or password is invalid.")
+		app.Template(w, r, "auth/login.tpl", pongo2.Context{
+			"totp":          false,
+			"flash_message": "Username or password is invalid.",
+		})
+		return
+	}
+
+	passwordValid, _ := acct.PasswordValid(password)
+
+	if !passwordValid {
+		app.Template(w, r, "auth/login.tpl", pongo2.Context{
+			"totp":          false,
+			"flash_message": "Username or password is invalid.",
+		})
+		return
+	}
+
+	// TODO: totp
+
+	// create a new token
+	token, err := app.Token(conn).Create(
+		ctx, acct.ID, *app.DBConfig.Get().InternalApplication, []string{"all"}, time.Now().Add(math.MaxInt64))
+	if err != nil {
+		log.Err(err).Msg("creating token")
+		return
+	}
+
+	ts, err := app.TokenToJWT(token)
+	if err != nil {
+		log.Err(err).Msg("signing token string")
+		return
+	}
+
+	http.SetCookie(w, &http.Cookie{
+		Name:    database.TokenCookieName,
+		Value:   ts,
+		Path:    "/",
+		Expires: token.Expires,
+	})
+	http.Redirect(w, r, "/web", http.StatusSeeOther)
 }

web/auth/signup.go

@@ -0,0 +1,67 @@
+package auth
+
+import (
+	"net/http"
+
+	"git.sleepycat.moe/sam/mercury/internal/database/sql"
+	"github.com/flosch/pongo2/v6"
+	"github.com/rs/zerolog/log"
+)
+
+func (app *Auth) GetSignup(w http.ResponseWriter, r *http.Request) {
+	app.Template(w, r, "auth/signup.tpl", pongo2.Context{})
+}
+
+func (app *Auth) PostSignup(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	username := r.FormValue("username")
+	email := r.FormValue("email")
+	password := r.FormValue("password")
+	password2 := r.FormValue("repeat_password")
+	if username == "" {
+		app.Template(w, r, "auth/signup.tpl", pongo2.Context{"flash_message": "Username cannot be empty."})
+		return
+	} else if password == "" {
+		app.Template(w, r, "auth/signup.tpl", pongo2.Context{"flash_message": "Password cannot be empty."})
+		return
+	} else if password != password2 {
+		app.Template(w, r, "auth/signup.tpl", pongo2.Context{"flash_message": "Passwords don't match."})
+		return
+	} else if email == "" {
+		app.Template(w, r, "auth/signup.tpl", pongo2.Context{"flash_message": "Email address cannot be empty."})
+		return
+	}
+
+	tx, err := app.Database.BeginTx(ctx)
+	if err != nil {
+		log.Err(err).Msg("acquiring database connection")
+		return
+	}
+	defer tx.Rollback(ctx)
+
+	acct, err := app.Account(tx).CreateLocal(ctx, username, email, []byte(password))
+	if err != nil {
+		if err == sql.ErrUsernameTaken {
+			app.Template(w, r, "auth/signup.tpl", pongo2.Context{"flash_message": "Username is already taken."})
+			return
+		}
+		log.Err(err).Msg("creating account")
+		return
+	}
+
+	_, err = app.Blog(tx).Create(ctx, acct.ID, username)
+	if err != nil {
+		log.Err(err).Msg("creating blog")
+		return
+	}
+
+	err = tx.Commit(ctx)
+	if err != nil {
+		log.Err(err).Msg("committing transaction")
+		return
+	}
+
+	app.Flash(w, "Successfully created account!")
+	http.Redirect(w, r, "/auth/login", http.StatusSeeOther)
+}

web/frontend/frontend.go

@@ -34,7 +34,7 @@ func New(app *app.App) *Frontend {
 		App: app,
 	}
 
-	if app.Config.Core.Dev {
+	if app.AppConfig.Core.Dev {
 		glue, err := vueglue.NewVueGlue(&vueglue.ViteConfig{
 			Environment: "development",
 			AssetsPath:  "frontend",
@@ -100,7 +100,7 @@ func (app *Frontend) ServeFrontend(w http.ResponseWriter, r *http.Request) {
 }
 
 func (app *Frontend) ServeStaticAssets(w http.ResponseWriter, r *http.Request) {
-	if app.Config.Core.Dev {
+	if app.AppConfig.Core.Dev {
 		// TODO: this is unsafe
 		path := filepath.Join("web/frontend/assets/", chi.URLParam(r, "*"))
 		http.ServeFile(w, r, path)

web/routes.go

@@ -12,13 +12,19 @@ func Routes(app *app.App) {
 	app.Router.Route("/auth", func(r chi.Router) {
 		auth := auth.New(app)
 		r.Get("/login", auth.GetLogin)
+		r.Post("/login", auth.PostLogin)
+
+		r.Get("/sign_up", auth.GetSignup)
+		r.Post("/sign_up", auth.PostSignup)
 	})
 
 	// web app handlers
 	// also assets
-	frontend := frontend.New(app)
-	app.Router.HandleFunc(frontend.AssetsPath(), frontend.ServeAssets)
-	app.Router.HandleFunc("/static/*", frontend.ServeStaticAssets)
-	app.Router.HandleFunc("/web", frontend.ServeFrontend)
-	app.Router.HandleFunc("/web/*", frontend.ServeFrontend)
+	app.Router.Group(func(r chi.Router) {
+		frontend := frontend.New(app)
+		r.HandleFunc(frontend.AssetsPath(), frontend.ServeAssets)
+		r.HandleFunc("/static/*", frontend.ServeStaticAssets)
+		r.HandleFunc("/web", frontend.ServeFrontend)
+		r.HandleFunc("/web/*", frontend.ServeFrontend)
+	})
 }

web/templates/auth/login.tpl

@@ -1,19 +1,33 @@
 {% extends 'base.tpl' %}
 {% block title %}
-  Log in
+  Log in • {{ config.Name }}
 {% endblock %}
 {% block content %}
   <div class="auth">
-    <form method="post">
-      <p>
-        <label for="username">Username</label>
-        <input type="text" name="username" />
-      </p>
-      <p>
-        <label for="username">Password</label>
-        <input type="password" name="password" />
-      </p>
-      <input type="submit" value="Log in" />
-    </form>
+    {% if flash_message %}
+      <p>{{ flash_message }}</p>
+    {% endif %}
+    {% if not totp %}
+      <form method="post">
+        <p>
+          <label for="username">Username</label>
+          <input type="text" name="username" />
+        </p>
+        <p>
+          <label for="username">Password</label>
+          <input type="password" name="password" />
+        </p>
+        <input type="submit" value="Log in" />
+      </form>
+    {% else %}
+      <form method="post">
+        <p>
+          <label for="totp_code">Two-factor authentication code</label>
+          <input type="text" name="totp_code" />
+        </p>
+        <input type="text" name="totp_ticket" value="{{ totp_ticket }}" disabled />
+        <input type="submit" value="Log in" />
+      </form>
+    {% endif %}
   </div>
 {% endblock %}

web/templates/auth/signup.tpl

@@ -0,0 +1,30 @@
+{% extends 'base.tpl' %}
+{% block title %}
+  Sign up • {{ config.Name }}
+{% endblock %}
+{% block content %}
+  <div class="auth">
+    {% if flash_message %}
+      <p>{{ flash_message }}</p>
+    {% endif %}
+    <form method="post">
+      <p>
+        <label for="username">Username</label>
+        <input type="text" name="username" />
+      </p>
+      <p>
+        <label for="username">Email</label>
+        <input type="email" name="email" />
+      </p>
+      <p>
+        <label for="username">Password</label>
+        <input type="password" name="password" />
+      </p>
+      <p>
+        <label for="username">Repeat password</label>
+        <input type="password" name="repeat_password" />
+      </p>
+      <input type="submit" value="Sign up" />
+    </form>
+  </div>
+{% endblock %}

web/templates/base.tpl

@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" type="text/css" href="/static/css/style.css" />
-    <title>{% block title %}Mercury{% endblock %}</title>
+    <title>{% block title %}{{ config.Name }}{% endblock %}</title>
 </head>
 <body>
     {% block content %}