feat(auth): automatically generate anonymous user session
arcad/edge/pipeline/head This commit looks good Details

ref arcad/edge-menu#86
This commit is contained in:
wpetit 2023-09-20 08:55:49 -06:00
parent 17808d14c9
commit 8eb441daee
10 changed files with 196 additions and 11 deletions

View File

@ -22,6 +22,7 @@ import (
appModuleMemory "forge.cadoles.com/arcad/edge/pkg/module/app/memory"
authModule "forge.cadoles.com/arcad/edge/pkg/module/auth"
authHTTP "forge.cadoles.com/arcad/edge/pkg/module/auth/http"
authModuleMiddleware "forge.cadoles.com/arcad/edge/pkg/module/auth/middleware"
"forge.cadoles.com/arcad/edge/pkg/module/blob"
"forge.cadoles.com/arcad/edge/pkg/module/cast"
"forge.cadoles.com/arcad/edge/pkg/module/fetch"
@ -221,6 +222,9 @@ func runApp(ctx context.Context, path string, address string, storageFile string
}
router := chi.NewRouter()
router.Use(authModuleMiddleware.AnonymousUser(
jwa.HS256, key,
))
router.Use(middleware.Logger)
router.Use(middleware.Compress(5))

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@ -9,6 +9,7 @@ import (
"forge.cadoles.com/arcad/edge/pkg/module/auth"
"forge.cadoles.com/arcad/edge/pkg/module/auth/http/passwd"
"forge.cadoles.com/arcad/edge/pkg/module/auth/jwt"
"github.com/go-chi/chi/v5"
"github.com/lestrrat-go/jwx/v2/jwa"
"github.com/lestrrat-go/jwx/v2/jwk"
@ -112,7 +113,7 @@ func (h *LocalHandler) handleForm(w http.ResponseWriter, r *http.Request) {
account.Claims[auth.ClaimIssuer] = "local"
token, err := generateSignedToken(h.algo, h.key, account.Claims)
token, err := jwt.GenerateSignedToken(h.algo, h.key, account.Claims)
if err != nil {
logger.Error(ctx, "could not generate signed token", logger.E(errors.WithStack(err)))
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)

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@ -30,7 +30,7 @@ func WithJWT(getKeySet GetKeySetFunc) OptionFunc {
}
}
func FindToken(r *http.Request, getKeySet GetKeySetFunc) (jwt.Token, error) {
func FindRawToken(r *http.Request) (string, error) {
authorization := r.Header.Get("Authorization")
// Retrieve token from Authorization header
@ -44,7 +44,7 @@ func FindToken(r *http.Request, getKeySet GetKeySetFunc) (jwt.Token, error) {
if rawToken == "" {
cookie, err := r.Cookie(CookieName)
if err != nil && !errors.Is(err, http.ErrNoCookie) {
return nil, errors.WithStack(err)
return "", errors.WithStack(err)
}
if cookie != nil {
@ -53,7 +53,16 @@ func FindToken(r *http.Request, getKeySet GetKeySetFunc) (jwt.Token, error) {
}
if rawToken == "" {
return nil, errors.WithStack(ErrUnauthenticated)
return "", errors.WithStack(ErrUnauthenticated)
}
return rawToken, nil
}
func FindToken(r *http.Request, getKeySet GetKeySetFunc) (jwt.Token, error) {
rawToken, err := FindRawToken(r)
if err != nil {
return nil, errors.WithStack(err)
}
keySet, err := getKeySet()

View File

@ -1,4 +1,4 @@
package http
package jwt
import (
"time"
@ -9,7 +9,7 @@ import (
"github.com/pkg/errors"
)
func generateSignedToken(algo jwa.KeyAlgorithm, key jwk.Key, claims map[string]any) ([]byte, error) {
func GenerateSignedToken(algo jwa.KeyAlgorithm, key jwk.Key, claims map[string]any) ([]byte, error) {
token := jwt.New()
if err := token.Set(jwt.NotBeforeKey, time.Now()); err != nil {

View File

@ -0,0 +1,113 @@
package middleware
import (
"crypto/rand"
"fmt"
"math/big"
"net/http"
"time"
"forge.cadoles.com/arcad/edge/pkg/module/auth"
"forge.cadoles.com/arcad/edge/pkg/module/auth/jwt"
"github.com/google/uuid"
"github.com/lestrrat-go/jwx/v2/jwa"
"github.com/lestrrat-go/jwx/v2/jwk"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/logger"
)
const AnonIssuer = "anon"
func AnonymousUser(algo jwa.KeyAlgorithm, key jwk.Key, funcs ...AnonymousUserOptionFunc) func(next http.Handler) http.Handler {
opts := defaultAnonymousUserOptions()
for _, fn := range funcs {
fn(opts)
}
return func(next http.Handler) http.Handler {
handler := func(w http.ResponseWriter, r *http.Request) {
rawToken, err := auth.FindRawToken(r)
// If request already has a raw token, we do nothing
if rawToken != "" && err == nil {
next.ServeHTTP(w, r)
return
}
ctx := r.Context()
uuid, err := uuid.NewUUID()
if err != nil {
logger.Error(ctx, "could not generate uuid for anonymous user", logger.E(errors.WithStack(err)))
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
subject := fmt.Sprintf("%s-%s", AnonIssuer, uuid.String())
preferredUsername, err := generateRandomPreferredUsername(8)
if err != nil {
logger.Error(ctx, "could not generate preferred username for anonymous user", logger.E(errors.WithStack(err)))
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
claims := map[string]any{
auth.ClaimSubject: subject,
auth.ClaimIssuer: AnonIssuer,
auth.ClaimPreferredUsername: preferredUsername,
auth.ClaimEdgeRole: opts.Role,
auth.ClaimEdgeEntrypoint: opts.Entrypoint,
auth.ClaimEdgeTenant: opts.Tenant,
}
token, err := jwt.GenerateSignedToken(algo, key, claims)
if err != nil {
logger.Error(ctx, "could not generate signed token", logger.E(errors.WithStack(err)))
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
cookieDomain, err := opts.GetCookieDomain(r)
if err != nil {
logger.Error(ctx, "could not retrieve cookie domain", logger.E(errors.WithStack(err)))
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
cookie := http.Cookie{
Name: auth.CookieName,
Value: string(token),
Domain: cookieDomain,
HttpOnly: false,
Expires: time.Now().Add(opts.CookieDuration),
Path: "/",
}
http.SetCookie(w, &cookie)
next.ServeHTTP(w, r)
}
return http.HandlerFunc(handler)
}
}
func generateRandomPreferredUsername(size int) (string, error) {
var letters = []rune("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ")
max := big.NewInt(int64(len(letters)))
b := make([]rune, size)
for i := range b {
idx, err := rand.Int(rand.Reader, max)
if err != nil {
return "", errors.WithStack(err)
}
b[i] = letters[idx.Int64()]
}
return fmt.Sprintf("Anon %s", string(b)), nil
}

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@ -0,0 +1,57 @@
package middleware
import (
"net/http"
"time"
)
type GetCookieDomainFunc func(r *http.Request) (string, error)
func defaultGetCookieDomain(r *http.Request) (string, error) {
return "", nil
}
type AnonymousUserOptions struct {
GetCookieDomain GetCookieDomainFunc
CookieDuration time.Duration
Tenant string
Entrypoint string
Role string
}
type AnonymousUserOptionFunc func(*AnonymousUserOptions)
func defaultAnonymousUserOptions() *AnonymousUserOptions {
return &AnonymousUserOptions{
GetCookieDomain: defaultGetCookieDomain,
CookieDuration: 24 * time.Hour,
Tenant: "",
Entrypoint: "",
Role: "",
}
}
func WithCookieOptions(getCookieDomain GetCookieDomainFunc, duration time.Duration) AnonymousUserOptionFunc {
return func(opts *AnonymousUserOptions) {
opts.GetCookieDomain = getCookieDomain
opts.CookieDuration = duration
}
}
func WithTenant(tenant string) AnonymousUserOptionFunc {
return func(opts *AnonymousUserOptions) {
opts.Tenant = tenant
}
}
func WithEntrypoint(entrypoint string) AnonymousUserOptionFunc {
return func(opts *AnonymousUserOptions) {
opts.Entrypoint = entrypoint
}
}
func WithRole(role string) AnonymousUserOptionFunc {
return func(opts *AnonymousUserOptions) {
opts.Role = role
}
}

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@ -92,7 +92,7 @@ var Edge=(()=>{var K3=Object.create;var Mi=Object.defineProperty,Y3=Object.defin
</edge-menu-item>
`}_canAccess(t){var a,o;let i=((a=this._profile)==null?void 0:a.edge_role)||"visitor",n=((o=t.metadata)==null?void 0:o.minimumRole)||"visitor";return sb[i]>=sb[n]}_renderProfile(){let t=this._profile;return re`
<edge-menu-item name='profile' label="${(t==null?void 0:t.preferred_username)||"Profile"}" icon-url='${Zm}'>
${t?re`<edge-menu-sub-item name='login' label='Logout' icon-url='${nb}' link-url='/edge/auth/logout'></edge-menu-sub-item>`:re`<edge-menu-sub-item name='login' label='Login' icon-url='${tb}' link-url='/edge/auth/login'></edge-menu-sub-item>`}
${t&&t.iss!="anon"?re`<edge-menu-sub-item name='login' label='Logout' icon-url='${nb}' link-url='/edge/auth/logout'></edge-menu-sub-item>`:re`<edge-menu-sub-item name='login' label='Login' icon-url='${tb}' link-url='/edge/auth/login'></edge-menu-sub-item>`}
</edge-menu-item>
`}_handleMenuItemSelected(t){let i=t.detail.element;i.classList.add("selected"),i.classList.remove("unselected");for(let n,a=0;n=this._menuItems[a];a++)n!==i&&(n.unselect(),n.classList.add("unselected"))}_handleMenuItemUnselected(t){if(t.detail.element.classList.remove("selected"),this.renderRoot.querySelectorAll("edge-menu-item.selected").length===0)for(let a,o=0;a=this._menuItems[o];o++)a.classList.remove("unselected")}};le.styles=Ti`
:host {

File diff suppressed because one or more lines are too long

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@ -191,7 +191,7 @@ export class Menu extends LitElement {
return html`
<edge-menu-item name='profile' label="${profile?.preferred_username || 'Profile'}" icon-url='${UserCircleIcon}'>
${
profile ?
profile && profile.iss != "anon" ?
html`<edge-menu-sub-item name='login' label='Logout' icon-url='${LogoutIcon}' link-url='/edge/auth/logout'></edge-menu-sub-item>` :
html`<edge-menu-sub-item name='login' label='Login' icon-url='${LoginIcon}' link-url='/edge/auth/login'></edge-menu-sub-item>`
}

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@ -1,7 +1,8 @@
{
"compilerOptions": {
"lib": ["ES2015", "DOM"],
"experimentalDecorators": true
"experimentalDecorators": true,
"esModuleInterop": true
},
"include": ["pkg/sdk/client/src/index.d.ts", "pkg/sdk/client/src/**/*.ts", "pkg/sdk/client/src/**/*.svg"]
}