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Add Keycloak integration for logout functionality and create login/logout HTML components

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This commit is contained in:
Christian Galo
2025-02-22 20:55:14 -06:00
parent e7f1e6ae92
commit 301b036f3c
4 changed files with 179 additions and 0 deletions
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32
cmd/start.go
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@ -19,6 +19,7 @@ package cmd
import (
"log"
"net/http"
"net/url"
"context"
@ -80,6 +81,37 @@ var startCmd = &cobra.Command{
// Register handlers
httpRequestRouter.HandleFunc("/login", middleware.LoginHandler(authConfig))
httpRequestRouter.HandleFunc("/callback", middleware.CallbackHandler(authConfig))
// Update the logout handler to include Keycloak integration
httpRequestRouter.HandleFunc("/logout", func(w http.ResponseWriter, r *http.Request) {
// 1. Get session and immediately expire it
session, _ := authConfig.Store.Get(r, "auth-session")
session.Values["authenticated"] = false
session.Options.MaxAge = -1 // Immediate deletion
session.Save(r, w)
// 2. Keycloak logout parameters
keycloakLogoutURL, err := url.Parse(viper.GetString("issuer-url") + "/protocol/openid-connect/logout")
if err != nil {
log.Printf("Error parsing logout URL: %v", err)
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
// 3. Build logout URL with post_logout_redirect_uri and id_token_hint
q := keycloakLogoutURL.Query()
q.Set("post_logout_redirect_uri", viper.GetString("redirect-url"))
q.Set("client_id", viper.GetString("client-id"))
// Retrieve ID token from session if available
if idToken, ok := session.Values["id_token"].(string); ok {
q.Set("id_token_hint", idToken)
}
keycloakLogoutURL.RawQuery = q.Encode()
// 4. Redirect to Keycloak for global session termination
http.Redirect(w, r, keycloakLogoutURL.String(), http.StatusFound)
})
// Update middleware stack
stack := middleware.CreateStack(

51
site/components/dashboard.html Normal file
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@ -0,0 +1,51 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Dashboard</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
}
header {
background-color: #f0f2f5;
padding: 1rem;
display: flex;
justify-content: space-between;
align-items: center;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.user-info {
display: flex;
align-items: center;
}
.user-info span {
margin-right: 1rem;
}
.btn-logout {
background-color: #f44336;
color: white;
padding: 8px 16px;
border: none;
border-radius: 4px;
cursor: pointer;
}
.btn-logout:hover {
background-color: #d32f2f;
}
</style>
<script src="https://unpkg.com/htmx.org"></script>
</head>
<body>
<header>
<div class="user-info">
<span>Welcome, User!</span>
<a href="/logout" class="btn-logout">Logout</a>
</div>
</header>
<!-- Rest of your protected content -->
</body>
</html>

48
site/components/login.html Normal file
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@ -0,0 +1,48 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Login</title>
<style>
body {
font-family: Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
background-color: #f0f2f5;
}
.login-container {
background: white;
padding: 2rem;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
text-align: center;
}
.login-button {
background-color: #4CAF50;
color: white;
padding: 14px 20px;
margin: 8px 0;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
}
.login-button:hover {
background-color: #45a049;
}
</style>
</head>
<body>
<div class="login-container">
<h1>Welcome</h1>
<p>Please log in to continue</p>
<button class="login-button" onclick="window.location.href='/login'">
Login with Keycloak
</button>
</div>
</body>
</html>

48
site/components/logout.html Normal file
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@ -0,0 +1,48 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Logout</title>
<style>
body {
font-family: Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
background-color: #f0f2f5;
}
.logout-container {
background: white;
padding: 2rem;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
text-align: center;
}
.logout-button {
background-color: #f44336;
color: white;
padding: 14px 20px;
margin: 8px 0;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
}
.logout-button:hover {
background-color: #d32f2f;
}
</style>
</head>
<body>
<div class="logout-container">
<h1>Logout</h1>
<p>Are you sure you want to log out?</p>
<button class="logout-button" onclick="window.location.href='/logout'">
Logout
</button>
</div>
</body>
</html>