Cadoles
/
goweb-oidc
10
0
Fork 0
Code Issues Pull Requests Releases 3 Wiki Activity

Basic logout workflow

This commit is contained in:
wpetit 2020-05-20 13:06:04 +02:00
parent 06285a206f
commit 5d672ad6e1
12 changed files with 206 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

97
client.go
View File

@ -1,7 +1,10 @@
package oidc
import (
"bytes"
"net/http"
"net/url"
"strings"
"github.com/coreos/go-oidc"
"github.com/dchest/uniuri"
@ -41,10 +44,30 @@ func (c *Client) Login(w http.ResponseWriter, r *http.Request) {
panic(errors.Wrap(err, "could not save session"))
}
http.Redirect(w, r, c.oauth2.AuthCodeURL(state), http.StatusFound)
authCodeOptions := []oauth2.AuthCodeOption{}
rawIDToken, _ := RawIDToken(w, r)
if rawIDToken != "" {
authCodeOptions = append(
authCodeOptions,
oauth2.SetAuthURLParam("id_token_hint", rawIDToken),
)
}
authCodeURL := c.oauth2.AuthCodeURL(
state,
authCodeOptions...,
)
http.Redirect(w, r, authCodeURL, http.StatusFound)
}
func (c *Client) Logout(w http.ResponseWriter, r *http.Request) {
func (c *Client) Logout(w http.ResponseWriter, r *http.Request, postLogoutRedirectURL string) {
rawIDToken, err := RawIDToken(w, r)
if err != nil {
panic(errors.Wrap(err, "could not retrieve raw id token"))
}
ctn := container.Must(r.Context())
sess, err := session.Must(ctn).Get(w, r)
@ -55,50 +78,102 @@ func (c *Client) Logout(w http.ResponseWriter, r *http.Request) {
state := uniuri.New()
sess.Set(SessionOIDCStateKey, state)
sess.Unset(SessionOIDCRawTokenKey)
sess.Unset(SessionOIDCTokenKey)
if err := sess.Save(w, r); err != nil {
panic(errors.Wrap(err, "could not save session"))
}
http.Redirect(w, r, c.oauth2.AuthCodeURL(state), http.StatusFound)
sessionEndURL, err := c.sessionEndURL(rawIDToken, state, postLogoutRedirectURL)
if err != nil {
panic(errors.Wrap(err, "could not retrieve session end url"))
}
if sessionEndURL != "" {
http.Redirect(w, r, sessionEndURL, http.StatusFound)
} else {
http.Redirect(w, r, postLogoutRedirectURL, http.StatusFound)
}
}
func (c *Client) Validate(w http.ResponseWriter, r *http.Request) (*oidc.IDToken, error) {
func (c *Client) sessionEndURL(idTokenHint, state, postLogoutRedirectURL string) (string, error) {
sessionEndEndpoint := &struct {
URL string `json:"end_session_endpoint"`
}{}
if err := c.provider.Claims(&sessionEndEndpoint); err != nil {
return "", errors.Wrap(err, "could not unmarshal claims")
}
if sessionEndEndpoint.URL == "" {
return "", nil
}
var buf bytes.Buffer
buf.WriteString(sessionEndEndpoint.URL)
v := url.Values{}
if idTokenHint != "" {
v.Set("id_token_hint", idTokenHint)
}
if postLogoutRedirectURL != "" {
v.Set("post_logout_redirect_uri", postLogoutRedirectURL)
}
if state != "" {
v.Set("state", state)
}
if strings.Contains(sessionEndEndpoint.URL, "?") {
buf.WriteByte('&')
} else {
buf.WriteByte('?')
}
buf.WriteString(v.Encode())
return buf.String(), nil
}
func (c *Client) Validate(w http.ResponseWriter, r *http.Request) (*oidc.IDToken, string, error) {
ctx := r.Context()
ctn := container.Must(ctx)
sess, err := session.Must(ctn).Get(w, r)
if err != nil {
return nil, errors.Wrap(err, "could not retrieve session")
return nil, "", errors.Wrap(err, "could not retrieve session")
}
state, ok := sess.Get(SessionOIDCStateKey).(string)
if !ok {
return nil, errors.New("invalid state")
return nil, "", errors.New("invalid state")
}
if r.URL.Query().Get("state") != state {
return nil, errors.New("state mismatch")
return nil, "", errors.New("state mismatch")
}
code := r.URL.Query().Get("code")
token, err := c.oauth2.Exchange(ctx, code)
if err != nil {
return nil, errors.Wrap(err, "could not exchange token")
return nil, "", errors.Wrap(err, "could not exchange token")
}
rawIDToken, ok := token.Extra("id_token").(string)
if !ok {
return nil, errors.New("could not find id token")
return nil, "", errors.New("could not find id token")
}
idToken, err := c.verifier.Verify(ctx, rawIDToken)
if err != nil {
return nil, errors.Wrap(err, "could not verify id token")
return nil, "", errors.Wrap(err, "could not verify id token")
}
return idToken, nil
return idToken, rawIDToken, nil
}
func NewClient(opts ...OptionFunc) *Client {

4
cmd/server/template/blocks/header.html.tmpl
View File

@ -9,7 +9,11 @@
</div>
<div class="column">
<div class="buttons is-right">
{{if .IDToken}}
<a class="button" href="/logout">Logout</a>
{{else}}
<a class="button is-primary" href="/login">Login</a>
{{end}}
</div>
</div>
</div>

2
cmd/server/template/layouts/home.html.tmpl
View File

@ -3,8 +3,6 @@
<section class="home is-fullheight section">
<div class="container">
{{template "header" .}}
<h2 class="is-size-4">Jeton OpenID Connect</h2>
<pre>{{ .JSONIDToken }}</pre>
{{template "footer" .}}
</div>
</section>

12
cmd/server/template/layouts/profile.html.tmpl Normal file
View File

@ -0,0 +1,12 @@
{{define "title"}}Accueil{{end}}
{{define "body"}}
<section class="home is-fullheight section">
<div class="container">
{{template "header" .}}
<h2 class="is-size-4">Jeton OpenID Connect</h2>
<pre>{{ .JSONIDToken }}</pre>
{{template "footer" .}}
</div>
</section>
{{end}}
{{template "base" .}}

1
go.sum
View File

@ -34,6 +34,7 @@ github.com/daaku/go.zipexe v1.0.0/go.mod h1:z8IiR6TsVLEYKwXAoE/I+8ys/sDkgTzSL0CL
github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 h1:y5HC9v93H5EPKqaS1UYVg1uYah5Xf51mBfIoWehClUQ=
github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964/go.mod h1:Xd9hchkHSWYkEqJwUGisez3G1QY8Ryz0sdWrLPMGjLk=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dchest/uniuri v0.0.0-20200228104902-7aecb25e1fe5 h1:RAV05c0xOkJ3dZGS0JFybxFKZ2WMLabgx3uXnd7rpGs=
github.com/dchest/uniuri v0.0.0-20200228104902-7aecb25e1fe5/go.mod h1:GgB8SF9nRG+GqaDtLcwJZsQFhcogVCJ79j4EdT0c2V4=

28
internal/route/home.go Normal file
View File

@ -0,0 +1,28 @@
package route
import (
"net/http"
oidc "forge.cadoles.com/wpetit/goweb-oidc"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/middleware/container"
"gitlab.com/wpetit/goweb/service/template"
)
func serveHomePage(w http.ResponseWriter, r *http.Request) {
ctn := container.Must(r.Context())
tmpl := template.Must(ctn)
idToken, _ := oidc.IDToken(w, r)
if idToken != nil {
http.Redirect(w, r, "/profile", http.StatusSeeOther)
return
}
data := extendTemplateData(w, r, template.Data{})
if err := tmpl.RenderPage(w, "home.html.tmpl", data); err != nil {
panic(errors.Wrapf(err, "could not render '%s' page", r.URL.Path))
}
}

29
internal/route/login.go
View File

@ -1,41 +1,20 @@
package route
import (
"encoding/json"
"net/http"
oidc "forge.cadoles.com/wpetit/goweb-oidc"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/logger"
"gitlab.com/wpetit/goweb/middleware/container"
"gitlab.com/wpetit/goweb/service/template"
)
func serveHomePage(w http.ResponseWriter, r *http.Request) {
func handleLogin(w http.ResponseWriter, r *http.Request) {
ctn := container.Must(r.Context())
tmpl := template.Must(ctn)
idToken, err := oidc.IDToken(w, r)
if err != nil {
panic(errors.Wrap(err, "could not retrieve idToken"))
}
jsonIDToken, err := json.MarshalIndent(idToken, "", " ")
if err != nil {
panic(errors.Wrap(err, "could not encode idToken"))
}
data := extendTemplateData(w, r, template.Data{
"IDToken": idToken,
"JSONIDToken": string(jsonIDToken),
})
if err := tmpl.RenderPage(w, "home.html.tmpl", data); err != nil {
panic(errors.Wrapf(err, "could not render '%s' page", r.URL.Path))
}
client := oidc.Must(ctn)
client.Login(w, r)
}
func handleLogin(w http.ResponseWriter, r *http.Request) {
func handleLoginCallback(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
idToken, err := oidc.IDToken(w, r)

2
internal/route/logout.go
View File

@ -23,5 +23,5 @@ func handleLogout(w http.ResponseWriter, r *http.Request) {
client := oidc.Must(ctn)
client.Logout(w, r)
client.Logout(w, r, "")
}

12
internal/route/mount.go
View File

@ -9,14 +9,16 @@ import (
)
func Mount(r *chi.Mux, config *config.Config) error {
r.Group(func(r chi.Router) {
r.Use(oidc.Middleware)
r.With(oidc.HandleCallback).Get("/oauth2/callback", handleLoginCallback)
r.Get("/", serveHomePage)
})
r.With(oidc.HandleCallback).Get("/oauth2/callback", handleLogin)
r.Get("/logout", handleLogout)
r.Get("/login", handleLogin)
r.Route("/profile", func(r chi.Router) {
r.Use(oidc.Middleware)
r.Get("/", serveProfilePage)
})
notFoundHandler := r.NotFoundHandler()
r.Get("/*", static.Dir(config.HTTP.PublicDir, "", notFoundHandler))

35
internal/route/profile.go Normal file
View File

@ -0,0 +1,35 @@
package route
import (
"encoding/json"
"net/http"
oidc "forge.cadoles.com/wpetit/goweb-oidc"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/middleware/container"
"gitlab.com/wpetit/goweb/service/template"
)
func serveProfilePage(w http.ResponseWriter, r *http.Request) {
ctn := container.Must(r.Context())
tmpl := template.Must(ctn)
idToken, err := oidc.IDToken(w, r)
if err != nil {
panic(errors.Wrap(err, "could not retrieve idToken"))
}
jsonIDToken, err := json.MarshalIndent(idToken, "", " ")
if err != nil {
panic(errors.Wrap(err, "could not encode idToken"))
}
data := extendTemplateData(w, r, template.Data{
"IDToken": idToken,
"JSONIDToken": string(jsonIDToken),
})
if err := tmpl.RenderPage(w, "profile.html.tmpl", data); err != nil {
panic(errors.Wrapf(err, "could not render '%s' page", r.URL.Path))
}
}

28
middleware.go
View File

@ -14,6 +14,7 @@ import (
const (
SessionOIDCTokenKey = "oidc-token"
SessionOIDCRawTokenKey = "oidc-raw-token"
SessionOIDCStateKey = "oidc-state"
)
@ -47,7 +48,7 @@ func HandleCallback(next http.Handler) http.Handler {
ctn := container.Must(ctx)
client := Must(ctn)
idToken, err := client.Validate(w, r)
idToken, rawIDToken, err := client.Validate(w, r)
if err != nil {
logger.Error(ctx, "could not validate oidc token", logger.E(err))
@ -62,6 +63,7 @@ func HandleCallback(next http.Handler) http.Handler {
}
sess.Set(SessionOIDCTokenKey, idToken)
sess.Set(SessionOIDCRawTokenKey, rawIDToken)
if err := sess.Save(w, r); err != nil {
panic(errors.Wrap(err, "could not save session"))
@ -73,14 +75,6 @@ func HandleCallback(next http.Handler) http.Handler {
return http.HandlerFunc(fn)
}
func Logout(w http.ResponseWriter, r *http.Request) {
// ctx := r.Context()
// ctn := container.Must(ctx)
// client := Must(ctn)
// client
}
func IDToken(w http.ResponseWriter, r *http.Request) (*oidc.IDToken, error) {
ctn := container.Must(r.Context())
@ -96,3 +90,19 @@ func IDToken(w http.ResponseWriter, r *http.Request) (*oidc.IDToken, error) {
return idToken, nil
}
func RawIDToken(w http.ResponseWriter, r *http.Request) (string, error) {
ctn := container.Must(r.Context())
sess, err := session.Must(ctn).Get(w, r)
if err != nil {
return "", errors.Wrap(err, "could not retrieve session")
}
rawIDToken, ok := sess.Get(SessionOIDCRawTokenKey).(string)
if !ok || rawIDToken == "" {
return "", errors.New("invalid raw id token")
}
return rawIDToken, nil
}

6
option.go
View File

@ -16,6 +16,12 @@ type Option struct {
Scopes []string
}
func WithRedirectURL(url string) OptionFunc {
return func(opt *Option) {
opt.RedirectURL = url
}
}
func WithCredentials(clientID, clientSecret string) OptionFunc {
return func(opt *Option) {
opt.ClientID = clientID