Idar_Server_backend/idar_web_interface.php at main · Radi410/Idar_Server_backend · 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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
<?php
// /recordings/index.php

// Security and caching headers
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
header("X-Content-Type-Options: nosniff");
header("X-Frame-Options: SAMEORIGIN");

// Configuration
$recording_dir = __DIR__;
$expected_file_size_min = 100 * 1024 * 1024; // 100MB minimum (suspicious if smaller)
$expected_file_size_max = 1500 * 1024 * 1024; // 1.5GB maximum (suspicious if larger)

// Security: Sanitize and validate filenames
function sanitizeFilename($filename) {
    $basename = basename($filename);
    // Only allow format: YYYY-MM-DD_HHMM.wav
    if (!preg_match('/^\d{4}-\d{2}-\d{2}_\d{4}\.wav$/', $basename)) {
        return null;
    }
    return $basename;
}

// Check directory access
if (!is_readable($recording_dir)) {
    http_response_code(500);
    die("
    <!DOCTYPE html>
    <html lang='no'>
    <head>
        <meta charset='UTF-8'>
        <title>Feil - Idar Opptak</title>
        <style>
            body { font-family: sans-serif; text-align: center; padding: 50px; }
            .error { background: #f8d7da; border: 1px solid #f5c6cb; color: #721c24;
                     padding: 20px; border-radius: 5px; display: inline-block; }
        </style>
    </head>
    <body>
        <div class='error'>
            <h1>⚠️ Feil</h1>
            <p>Kan ikke lese opptaksmappen. Kontakt IT-avdelingen.</p>
        </div>
    </body>
    </html>
    ");
}

function formatBytes($bytes) {
    $units = ['B', 'KB', 'MB', 'GB'];
    $i = 0;
    while ($bytes >= 1024 && $i < count($units) - 1) {
        $bytes /= 1024;
        $i++;
    }
    return round($bytes, 1) . ' ' . $units[$i];
}

function getTimeSlot($hour) {
    $start = sprintf('%02d', $hour);
    $end = sprintf('%02d', ($hour + 2) % 24);
    return "$start:00-$end:00";
}

function checkFileHealth($size, $min, $max) {
    if ($size < $min) return 'small';
    if ($size > $max) return 'large';
    return 'ok';
}

// Get all recordings
$files = glob($recording_dir . "/*.wav");
$grouped_files = [];
$total_size = 0;

foreach ($files as $file) {
    $filename = basename($file);
    $safe_filename = sanitizeFilename($filename);

    if (!$safe_filename) continue; // Skip invalid filenames

    if (preg_match('/^(\d{4}-\d{2}-\d{2})_(\d{2})\d{2}\.wav$/', $safe_filename, $matches)) {
        $date = $matches[1];
        $hour = intval($matches[2]);
        $size = filesize($file);
        $total_size += $size;

        $grouped_files[$date][] = [
            'filename' => $safe_filename,
            'timeslot' => getTimeSlot($hour),
            'size' => $size,
            'modified' => filemtime($file),
            'health' => checkFileHealth($size, $expected_file_size_min, $expected_file_size_max)
        ];
    }
}

// Sort by date (newest first)
krsort($grouped_files);

// Sort recordings within each date by timeslot
foreach ($grouped_files as &$recordings) {
    usort($recordings, function($a, $b) {
        return strcmp($a['timeslot'], $b['timeslot']);
    });
}
unset($recordings);

$file_count = array_sum(array_map('count', $grouped_files));
?>
<!DOCTYPE html>
<html lang="no">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="refresh" content="300"> <!-- Auto-refresh every 5 minutes -->
    <title>Idar Opptak - Radio Nova</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <header>
        <div class="container">
            <h1>📻 Idar Opptak</h1>
            <p>Automatiske opptak fra Radio Nova</p>
            <div class="stats">
                <span><?php echo $file_count; ?> opptak</span>
                <span><?php echo formatBytes($total_size); ?> totalt</span>
                <span class="auto-refresh">🔄 Oppdateres automatisk</span>
            </div>
        </div>
    </header>

    <main class="container">
        <div class="info-box">
            <p>📌 Opptakene lagres i 2-timers intervaller fra <strong>06:00 til 24:00</strong>.
            Filene beholdes i <strong>48 timer</strong> før de slettes automatisk.</p>
        </div>

        <?php if (empty($grouped_files)): ?>
            <div class="empty-state">
                <p>⚠️ Ingen opptak funnet.</p>
                <p class="muted">Sjekk at opptakssystemet kjører.</p>
            </div>
        <?php else: ?>
            <?php foreach ($grouped_files as $date => $recordings): ?>
                <section class="date-section">
                    <h2>
                        <?php
                        $dateObj = new DateTime($date);
                        $norwegianDays = ['søndag', 'mandag', 'tirsdag', 'onsdag', 'torsdag', 'fredag', 'lørdag'];
                        $dayName = $norwegianDays[$dateObj->format('w')];
                        echo $dateObj->format('d.m.Y') . ' (' . ucfirst($dayName) . ')';
                        ?>
                    </h2>
                    <div class="table-wrapper">
                        <table>
                            <thead>
                                <tr>
                                    <th>Tidspunkt</th>
                                    <th>Filnavn</th>
                                    <th>Størrelse</th>
                                    <th>Status</th>
                                    <th></th>
                                </tr>
                            </thead>
                            <tbody>
                                <?php foreach ($recordings as $recording): ?>
                                    <tr class="<?php echo $recording['health'] !== 'ok' ? 'warning' : ''; ?>">
                                        <td class="timeslot" data-label="Tidspunkt">
                                            <span class="time-badge"><?php echo htmlspecialchars($recording['timeslot']); ?></span>
                                        </td>
                                        <td class="filename" data-label="Filnavn">
                                            <?php echo htmlspecialchars($recording['filename']); ?>
                                        </td>
                                        <td class="filesize" data-label="Størrelse">
                                            <?php echo formatBytes($recording['size']); ?>
                                        </td>
                                        <td class="status" data-label="Status">
                                            <?php if ($recording['health'] === 'small'): ?>
                                                <span class="status-badge warning" title="Filen er mistenkelig liten">⚠️ Liten</span>
                                            <?php elseif ($recording['health'] === 'large'): ?>
                                                <span class="status-badge warning" title="Filen er mistenkelig stor">⚠️ Stor</span>
                                            <?php else: ?>
                                                <span class="status-badge ok">✓ OK</span>
                                            <?php endif; ?>
                                        </td>
                                        <td class="download" data-label="">
                                            <a href="<?php echo htmlspecialchars($recording['filename']); ?>"
                                               class="download-btn"
                                               download
                                               title="Last ned <?php echo htmlspecialchars($recording['filename']); ?>">
                                                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                                    <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path>
                                                    <polyline points="7 10 12 15 17 10"></polyline>
                                                    <line x1="12" y1="15" x2="12" y2="3"></line>
                                                </svg>
                                                Last ned
                                            </a>
                                        </td>
                                    </tr>
                                <?php endforeach; ?>
                            </tbody>
                        </table>
                    </div>
                </section>
            <?php endforeach; ?>
        <?php endif; ?>
    </main>

    <footer>
        <div class="container">
            <p>Radio Nova - Teknisk avdeling</p>
            <p class="muted">Siden oppdateres automatisk hvert 5. minutt</p>
        </div>
    </footer>

    <script>
        // Visual countdown for next refresh
        let secondsLeft = 300;
        const updateCountdown = () => {
            secondsLeft--;
            if (secondsLeft <= 0) return;

            const minutes = Math.floor(secondsLeft / 60);
            const seconds = secondsLeft % 60;
            const refreshEl = document.querySelector('.auto-refresh');
            if (refreshEl) {
                refreshEl.textContent = `🔄 Oppdateres om ${minutes}:${seconds.toString().padStart(2, '0')}`;
            }
        };
        setInterval(updateCountdown, 1000);
    </script>
</body>
</html>