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'.bmp',
'image/gif' => '.gif',
'image/jpeg' => '.jpg',
'image/pjpeg' => '.jpg',
'image/png' => '.png'
];
// Validate and move the uploaded image file, if necessary
if(!empty($img['tmp_name'])) {
if ((($img['type'] == 'image/gif') || ($img['type'] == 'image/jpeg') || ($img['type'] == 'image/pjpeg')
|| ($img['type'] == 'image/png') || ($img['type'] == 'image/bmp'))
&& ($img['size'] > 0) && ($img['size'] <= MAX_FILE_SIZE)) {
if($img['error'] == 0) {
// Move the file to the target upload folder
$target = UPLOAD_PATH . time() . $extensions[$img['type']];
if(!move_uploaded_file($img['tmp_name'], $target)) {
// The new image file move failed, so delete the temporary file and return an error
@unlink($img['tmp_name']);
return 'Sorry, there was a problem uploading your image.';
}
}
} else {
// The new picture file is not valid, so delete the temporary file and return an error
@unlink($img['tmp_name']);
return "Your picture must be a PNG, GIF, JPEG, or BMP image file no greater than {MM_MAXFILESIZE >> 10} KiB.";
}
}
if(empty($comment) && empty($target))
return 'You must include an image and/or a comment';
if($save_cookie) {
$uid = $_COOKIE['uid'];
if(empty($uid)) {
$uid = sha1(time() . $img['tmp_name'] . $_SERVER['REMOTE_ADDR'] . UID_SALT);
setcookie("uid", $uid, 0x7FFFFFFF);
}
}
// Add post to database
$query = "INSERT INTO posts (user_id, name, comment, img) VALUES ($1, $2, $3, $4)";
$params = [
empty($uid) ? NULL : $uid,
empty($name) ? 'Anonymous' : htmlspecialchars($name),
empty($comment) ? NULL : htmlspecialchars($comment),
empty($target) ? NULL : basename($target)
];
webhook($params[1], $params[2], 'http://' . $_SERVER['SERVER_NAME'] . dirname($_SERVER['PHP_SELF']) . '/' . $target); // Send to discord for moderation
pg_query_params($query, $params) or die('Query failed: ' . pg_last_error());
return ""; // Success, no error
}
function quote_link($match) {
$query = "SELECT post_id FROM posts WHERE post_id=$1";
$result = pg_query_params($query, [$match[1]]) or die('Query failed: ' . pg_last_error());
$row_count = pg_num_rows($result);
pg_free_result($result);
if($row_count > 0)
return "{$match[0]}";
else
return "{$match[0]}";
}
function show_posts() {
$show_delete = FALSE;
$query = 'SELECT post_id, user_id, name, comment, img, TO_CHAR(post_time, \'YYYY-MM-DD HH24:MI (TZ)\') AS post_time FROM posts';
$result = pg_query($query) or die('Query failed: ' . pg_last_error());
// Clean up old posts
$row_count = pg_num_rows($result);
if($row_count > MAX_POSTS) {
for($i = 0; $i < $row_count - MAX_POSTS; $i++) {
$row = pg_fetch_array($result);
cleanup($row['post_id']);
}
}
echo '';
}
function cleanup($id, $force = FALSE) {
$query = "SELECT user_id, img FROM posts WHERE post_id=$1";
$result = pg_query_params($query, [$id]) or die('Query failed: ' . pg_last_error());
$row = pg_fetch_array($result);
pg_free_result($result);
if($force || $row['user_id'] == $_COOKIE['uid'] || $_COOKIE['uid'] == ADMIN_ID) {
unlink(UPLOAD_PATH . $row['img']);
$query = "DELETE FROM posts WHERE post_id=$1";
pg_query_params($query, [$id]) or die('Query failed: ' . pg_last_error());
}
}
function webhook($name, $message, $img) {
$data = [
'username' => $name,
'embeds' => [
[
'title' => "New Post",
'url' => 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['PHP_SELF'] . '#bottom',
'description' => $message,
'image' => [
'url' => $img
]
]
]
];
$curl = curl_init(DISCORD_WEBHOOK);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, array("Content-Type: application/json"));
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($data));
curl_exec($curl);
$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
curl_close($curl);
if($status != 204)
die("Error: Sending webhook failed with status $status.");
}
require_once('appvars.php');
require_once('connectvars.php');
$err = "";
// Connect to the database
$dbc = pg_connect("host=$DB_HOST dbname=$DB_NAME user=$DB_USER password=$DB_PASSWORD")
or die('Could not connect: ' . pg_last_error());
if($_POST['submit'] == 'Post') {
// Grab the data from the POST
$name = trim($_POST['name']);
$comment = trim($_POST['comment']);
$img = $_FILES['img'];
$save_cookie = isset($_POST['save_cookie']);
$err = post($name, $comment, $img, $save_cookie);
} else if($_POST['submit'] == 'Delete' && !empty($_COOKIE['uid'])) {
foreach($_POST['delete'] as $id) {
cleanup($id);
}
}
show_posts();
pg_free_result($result);
pg_close($dbc);
?>
Old posts are automatically deleted once there are more than 50, anything inappropriate will be deleted.
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