2023-12-19 23:55:46 +00:00
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<?php
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2023-12-21 17:22:36 +00:00
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include "pass_hash.php";
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const PW_FILE = "pass_hash.php";
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2024-01-18 22:09:17 +00:00
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session_start();
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2023-12-20 23:54:57 +00:00
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$user = $_POST["user"] ?? null;
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$pass = $_POST["password"] ?? null;
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2024-01-18 22:09:17 +00:00
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if ( isset( $_SESSION["user"] ) ) {
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header("Location: /admin.php");
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die();
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}
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2023-12-20 23:54:57 +00:00
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if ( $pass && $user ) {
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2024-01-06 04:22:45 +00:00
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$secret = hash( "sha256", $user . $pass );
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2023-12-19 23:55:46 +00:00
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if ( $secret ) {
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2023-12-21 17:22:36 +00:00
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if ( BLOG_HASH ) {
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error_log( $secret );
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error_log( BLOG_HASH );
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if ( $secret == BLOG_HASH ) {
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2024-01-18 22:09:17 +00:00
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$_SESSION["user"] = $user;
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header("Location: /admin.php");
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2023-12-19 23:55:46 +00:00
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die();
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} else {
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$invalid = true;
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}
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} else {
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2023-12-21 17:22:36 +00:00
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$template = <<<'PHP'
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<?php
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if ( __FILE__ == $_SERVER['SCRIPT_FILENAME'] ) {
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header("Location: 404.php");
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die();
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}
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const BLOG_HASH = '%s';
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PHP;
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2024-01-06 04:46:25 +00:00
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if (!file_exists('./posts')) {
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mkdir('posts', 0775, true);
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}
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if (!file_exists('./media')) {
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mkdir('posts', 0775, true);
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}
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2023-12-21 17:22:36 +00:00
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$success = file_put_contents( PW_FILE, sprintf( $template, $secret ) );
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2023-12-19 23:55:46 +00:00
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if ( !$success ) die( "Internal server error" );
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2024-01-18 22:09:17 +00:00
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$_SESSION["user"] = $user;
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header("Location: /admin.php");
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2023-12-19 23:55:46 +00:00
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die();
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}
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}
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>A secret opens the door</title>
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2023-12-20 23:54:57 +00:00
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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form{width:400px;max-width:80%;margin:2em auto}
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.slant{width:500px;max-width:90%;margin:2em auto;border-top:1em solid #333;transform:rotateZ(-2deg)}
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input{width:calc(100% - 8px);border:2px solid #999;border-radius:2px;background:white;color:#333;font-size:1.2em}
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input[type=submit]{width:100%;background:#333;color:white;font-weight:bold;padding:5px 0;border-color:#333}
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input:focus{border-color:#333}
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.logo{width:300px;max-width:60%;margin:3em auto 0em}
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img{width:100%}
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h1{text-align:center;font-size:1.5rem}
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2023-12-21 17:22:36 +00:00
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#error-message{font-weight:bold;color:red;text-align:center}
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2023-12-20 23:54:57 +00:00
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</style>
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2023-12-19 23:55:46 +00:00
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</head>
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<body>
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2024-01-18 22:09:17 +00:00
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<header>
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<a href="/">Home</a>
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</header>
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2023-12-20 23:54:57 +00:00
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<div class="logo">
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<img src="chickadee.svg">
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</div>
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2023-12-19 23:55:46 +00:00
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<div>
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<?php if ( $invalid ): ?>
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<p id="error-message">
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2023-12-20 23:54:57 +00:00
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An invalid username or password was given.
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2023-12-19 23:55:46 +00:00
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</p>
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<?php endif; ?>
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2023-12-20 23:54:57 +00:00
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<div class="slant"></div>
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2023-12-21 22:55:05 +00:00
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<form action="blog_log.php" method="post">
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2023-12-20 23:54:57 +00:00
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<h1>Log In</h1>
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<p>
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<label>Username<br><input type="text" required name="user" <?php echo $invalid ? 'aria-describedby="error-message"' : ''; ?>></label>
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</p>
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<p>
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<label>Password<br><input type="password" required name="password" <?php echo $invalid ? 'aria-describedby="error-message"' : ''; ?>></label>
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</p>
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<p>
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<input type="submit" value="Submit">
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</p>
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2023-12-19 23:55:46 +00:00
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</form>
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2023-12-20 23:54:57 +00:00
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<div class="slant"></div>
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2023-12-19 23:55:46 +00:00
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</div>
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</body>
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</html>
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