git/assignment-homepage-abdul/src/main.rs at 8bd5c13e09103e15740ca44cc0e5763a756459f9 · onxpnet/git · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder};
use actix_session::{Session, SessionMiddleware, storage::CookieSessionStore};
use actix_web::cookie::Key;
use serde::Deserialize;
use actix_web::http::header::ContentType;

#[derive(Deserialize)]
struct LoginForm {
    username: String,
    password: String,
}

// Hardcoded credentials
const VALID_USERNAME: &str = "admin";
const VALID_PASSWORD: &str = "secret";

#[get("/")]
async fn home(session: Session) -> impl Responder {
    if let Some(username) = session.get::<String>("username").unwrap() {
        HttpResponse::Ok().content_type(ContentType::html()).body(format!(
            r#"
            <!DOCTYPE html>
            <html lang="en">
            <head>
                <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <title>Home</title>
                <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
            </head>
            <body>
                <div class="container mt-5">
                    <h1 class="mb-4">Welcome to the home page, <b>{username}</b>!</h1>
                    <a href="/profile" class="btn btn-primary me-2">View Profile</a>
                    <form action="/logout" method="post" class="d-inline">
                        <button type="submit" class="btn btn-danger">Logout</button>
                    </form>
                </div>
                <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>
            </body>
            </html>
            "#
        ))
    } else {
        HttpResponse::Ok().content_type(ContentType::html()).body(
            r#"
            <!DOCTYPE html>
            <html lang="en">
            <head>
                <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <title>Home</title>
                <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
            </head>
            <body>
                <div class="container mt-5">
                    <h1 class="mb-4">Welcome to the home page!</h1>
                    <a href="/login" class="btn btn-primary">Login</a>
                </div>
                <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>
            </body>
            </html>
            "#
        )
    }
}

#[get("/profile")]
async fn profile(session: Session) -> impl Responder {
    if let Some(username) = session.get::<String>("username").unwrap() {
        HttpResponse::Ok().content_type(ContentType::html()).body(format!(
            r#"
            <html>
            <head>
                <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <title>Profile</title>
                <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
            </head>
                <body>
                    <div class="container mt-5">
                    <h1>Profile</h1>
                    <p>This is the profile page for {}.</p>
                    <form action="/logout" method="post">
                        <input type="submit" value="Logout" class="btn btn-primary">
                    </form>
                    </div>
                </body>
            </html>
            "#,
            username
        ))
    } else {
        HttpResponse::Unauthorized().content_type(ContentType::html()).body(
            r#"
            <html>
            <head>
                <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <title>Unauthorized</title>
                <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
            </head>
                <body>
                    <div class="container mt-5">
                        <h1>Unauthorized</h1>
                        <p>Please <a href="/login" class="btn btn-primary">login</a> to view your profile.</p>
                    </div>
                </body>
            </html>
            "#
        )
    }
}

#[get("/login")]
async fn login_page() -> impl Responder {
    HttpResponse::Ok()
        .content_type(ContentType::html())
        .body(
            r#"
            <!DOCTYPE html>
            <html lang="en">
            <head>
                <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <title>Login</title>
                <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
            </head>
            <body>
                <div class="container mt-5">
                    <h1 class="mb-4">Login</h1>
                    <form action="/login" method="post">
                        <div class="mb-3">
                            <label for="username" class="form-label">Username:</label>
                            <input type="text" class="form-control" id="username" name="username" required>
                        </div>
                        <div class="mb-3">
                            <label for="password" class="form-label">Password:</label>
                            <input type="password" class="form-control" id="password" name="password" required>
                        </div>
                        <button type="submit" class="btn btn-primary">Login</button>
                    </form>
                </div>
                <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>
            </body>
            </html>
            "#
        )
}

#[post("/login")]
async fn login(form: web::Form<LoginForm>, session: Session) -> impl Responder {
    if form.username == VALID_USERNAME && form.password == VALID_PASSWORD {
        session.insert("username", &form.username).unwrap();
        HttpResponse::SeeOther().append_header(("Location", "/"))
        .finish()
    } else {
        HttpResponse::Unauthorized().body(
            r#"
            <!DOCTYPE html>
            <html lang="en">
            <head>
                <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <title>Login</title>
                <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
            </head>
            <body>
                <div class="container mt-5">
                    <div class="alert alert-danger" role="alert">
                    Invalid Credentials!
                    </div>
                    <a href="/login" class="btn btn-primary">Try Again</a>
                </div>
                <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>
            </body>
            </html>
            "#
        )
    }
}

#[post("/logout")]
async fn logout(session: Session) -> impl Responder {
    session.purge();
    HttpResponse::SeeOther().insert_header(("Location", "/")).finish()
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| {
        App::new()
            .wrap(SessionMiddleware::new(
                CookieSessionStore::default(),
                Key::from(&[0; 64]), // In production, use a proper secret key
            ))
            .service(home)
            .service(profile)
            .service(login_page)
            .service(login)
            .service(logout)
    })
    .bind("127.0.0.1:8080")?
    .run()
    .await
}