Files
ops-Gazelle/classes/autoenable.class.php
2023-02-03 11:13:52 +01:00

354 lines
13 KiB
PHP

<?php
use Gazelle\Util\Mail;
use Gazelle\Util\Time;
class AutoEnable {
// Constants for database values
const APPROVED = 1;
const DENIED = 2;
const DISCARDED = 3;
// Cache key to store the number of enable requests
const CACHE_KEY_NAME = 'num_enable_requests';
// The default request rejected message
const REJECTED_MESSAGE = "Your request to re-enable your account has been rejected.<br />This may be because a request is already pending for your username, or because a recent request was denied.<br /><br />You are encouraged to discuss this with staff by visiting %s on %s";
// The default request received message
const RECEIVED_MESSAGE = "Your request to re-enable your account has been received. You can expect a reply message in your email within 48 hours.<br />If you do not receive an email after 48 hours have passed, please visit us on IRC for assistance.";
/**
* Handle a new enable request
*
* @param string $Username The user's username
* @param string $Email The user's email address
* @return string The output
*/
public static function new_request($Username, $Email) {
if (empty($Username)) {
header("Location: login.php");
die();
}
// Make sure the user is allowed to make an enable request
global $Cache, $DB;
[$UserID, $requestExists] = $DB->row("
SELECT um.ID,
(uer.UserID IS NOT NULL) as requestExists
FROM users_main AS um
LEFT JOIN users_enable_requests AS uer ON (uer.UserID = um.ID)
WHERE um.Enabled = '2'
AND um.Username = ?
AND (
uer.UserID IS NULL
OR (uer.Timestamp > now() - INTERVAL 1 WEEK AND uer.HandledTimestamp IS NULL)
OR (uer.Timestamp > now() - INTERVAL 2 MONTH AND uer.Outcome IN (?, ?))
)
", $Username, self::DENIED, self::DISCARDED
);
$user = (new \Gazelle\Manager\User)->findById($UserID);
$IP = $_SERVER['REMOTE_ADDR'];
if (is_null($user)) {
// say what?
$Output = '';
} elseif ($requestExists) {
// User already has/had a pending activation request
$Output = sprintf(self::REJECTED_MESSAGE, BOT_DISABLED_CHAN, BOT_SERVER);
$user->addStaffNote("Enable request rejected from $IP")->modify();
} else {
// New disable activation request
$DB->prepared_query("
INSERT INTO users_enable_requests
(UserID, Email, IP, UserAgent, Timestamp)
VALUES (?, ?, ?, ?, now())
", $UserID, $Email, $IP, $_SERVER['HTTP_USER_AGENT']
);
// Cache the number of requests for the modbar
$Cache->increment_value(self::CACHE_KEY_NAME);
setcookie('username', '', [
'expires' => time() + 60 * 60,
'path' => '/',
'secure' => !DEBUG_MODE,
'httponly' => DEBUG_MODE,
'samesite' => 'Lax',
]);
$Output = self::RECEIVED_MESSAGE;
$user->addStaffNote("Enable request " . $DB->inserted_id() . " received from $IP")->modify();
}
return $Output;
}
/**
* Handle requests
*
* @param int|int[] $IDs An array of IDs, or a single ID
* @param int $Status The status to mark the requests as
* @param string $Comment The staff member comment
*/
public static function handle_requests(\Gazelle\User $viewer, $IDs, $Status, $Comment) {
if ($Status != self::APPROVED && $Status != self::DENIED && $Status != self::DISCARDED) {
error(404);
}
$UserInfo = [];
$IDs = (!is_array($IDs)) ? [$IDs] : $IDs;
if (empty($IDs)) {
error(404);
}
foreach ($IDs as $ID) {
if (!is_number($ID)) {
error(404);
}
}
global $Cache, $DB;
$DB->prepared_query("
SELECT Email, ID, UserID
FROM users_enable_requests
WHERE Outcome IS NULL
AND ID IN (" . placeholders($IDs) . ")
", ...$IDs
);
$Results = $DB->to_array(false, MYSQLI_NUM);
if ($Status === self::DISCARDED) {
foreach ($Results as $Result) {
[, $ID, $UserID] = $Result;
$UserInfo[] = [$ID, $UserID];
}
} else {
// Prepare email
if ($Status == self::APPROVED) {
$subject = "Your enable request for " . SITE_NAME . " has been approved";
$template = 'email/enable_request_accepted.twig';
} else {
$subject = "Your enable request for " . SITE_NAME . " has been denied";
$template = 'email/enable_request_denied.twig';
}
foreach ($Results as $Result) {
[$Email, $ID, $UserID] = $Result;
$UserInfo[] = [$ID, $UserID];
if ($Status != self::APPROVED) {
$token = '';
} else {
// Generate token
$token = randomString();
$DB->prepared_query("
UPDATE users_enable_requests SET
Token = ?
WHERE ID = ?
", $token, $ID
);
}
global $Twig;
(new Mail)->send($Email, $subject, $Twig->render($template, ['token' => $token]));
}
}
// User notes stuff
foreach ($UserInfo as $User) {
[$ID, $UserID] = $User;
(new \Gazelle\User($UserID))->addStaffNote(
"Enable request $ID " . strtolower(self::get_outcome_string($Status))
. ' by [user]' . $viewer->username() . '[/user]' . (!empty($Comment) ? "\nReason: $Comment" : "")
)->modify();
}
// Update database values and decrement cache
$DB->prepared_query("
UPDATE users_enable_requests SET
HandledTimestamp = now(),
CheckedBy = ?,
Outcome = ?
WHERE ID IN (" . placeholders($IDs) . ")
", $viewer->id(), $Status, ...$IDs
);
$Cache->decrement_value(self::CACHE_KEY_NAME, count($IDs));
}
/**
* Unresolve a discarded request
*
* @param int $ID The request ID
*/
public static function unresolve_request(\Gazelle\User $viewer, \Gazelle\User $user, $ID) {
global $Cache, $DB;
$user->addStaffNote("Enable request $ID unresolved by [user]" . $viewer->username() . '[/user]')->modify();
$DB->prepared_query("
UPDATE users_enable_requests SET
Outcome = NULL,
HandledTimestamp = NULL,
CheckedBy = NUL
WHERE ID = ?
", $ID
);
$Cache->increment_value(self::CACHE_KEY_NAME);
}
/**
* Get the corresponding outcome string for a numerical value
*
* @param int $Outcome The outcome integer
* @return string The formatted output string
*/
public static function get_outcome_string($Outcome): string {
if ($Outcome == self::APPROVED) {
$String = "Approved";
} else if ($Outcome == self::DENIED) {
$String = "Rejected";
} else if ($Outcome == self::DISCARDED) {
$String = "Discarded";
} else {
$String = "---";
}
return $String;
}
/**
* Handle a user's request to enable an account
*
* @param string $Token The token
* @return string The error output, or an empty string
*/
public static function handle_token($Token) {
global $Cache, $DB;
[$UserID, $Timestamp] = $DB->row("
SELECT UserID, HandledTimestamp
FROM users_enable_requests
WHERE Token = ?
", $Token
);
if (!$UserID) {
$Err = "Invalid token.";
} else {
$DB->prepared_query("
UPDATE users_enable_requests SET Token = NULL WHERE Token = ?
", $Token
);
if ($Timestamp < Time::timeMinus(3600 * 48)) {
// Old request
(new \Gazelle\User($UserID))->addStaffNote("Tried to use an expired enable token from ".$_SERVER['REMOTE_ADDR'])->modify();
$Err = "Token has expired. Please visit ".BOT_DISABLED_CHAN." on ".BOT_SERVER." to discuss this with staff.";
} else {
// Good request, decrement cache value and enable account
$Cache->decrement_value(AutoEnable::CACHE_KEY_NAME);
$DB->prepared_query("UPDATE users_main SET Enabled = '1', can_leech = '1' WHERE ID = ?", $UserID);
$DB->prepared_query("UPDATE users_info SET BanReason = '0' WHERE UserID = ?", $UserID);
(new Gazelle\Tracker)->update_tracker('add_user', [
'id' => $UserID,
'passkey' => $DB->scalar("SELECT torrent_pass FROM users_main WHERE ID = ?", $UserID)
]);
$Err = "Your account has been enabled. You may now log in.";
}
}
return $Err;
}
/**
* Build the search query, from the searchbox inputs
*
* @param string $Username The username for the user
* @param string $IP The IP
* @param string $SubmittedTimestamp1 The timestamp representing when the request was submitted
* @param string $SubmittedTimestamp2 The timestamp representing when the request was submitted
* @param string $HandledUsername The username of the user that handled the request
* @param string $HandledBetween Filter type for timestamps
* @param string $HandledTimestamp1 The timestamp representing when the request was handled
* @param string $HandledTimestamp2 The timestamp representing when the request was handled
* @param int $OutcomeSearch The outcome of the request
* @param boolean $Checked Should checked requests be included?
* @return array The WHERE conditions for the query
*/
public static function build_search_query($Username, $IP, $SubmittedBetween, $SubmittedTimestamp1, $SubmittedTimestamp2, $HandledUsername, $HandledBetween, $HandledTimestamp1, $HandledTimestamp2, $OutcomeSearch, $Checked) {
$cond = [];
$args = [];
if (!empty($Username)) {
$cond[] = "um1.Username = ?";
$args[] = $Username;
}
if (!empty($IP)) {
$cond[] = "uer.IP = ?";
$args[] = $IP;
}
if (!empty($SubmittedTimestamp1)) {
switch($SubmittedBetween) {
case 'on':
$cond[] = "DATE(uer.Timestamp) = DATE(?)";
$args[] = $SubmittedTimestamp1;
break;
case 'before':
$cond[] = "DATE(uer.Timestamp) < DATE(?)";
$args[] = $SubmittedTimestamp1;
break;
case 'after':
$cond[] = "DATE(uer.Timestamp) > DATE(?)";
$args[] = $SubmittedTimestamp1;
break;
case 'between':
if (!empty($SubmittedTimestamp2)) {
$cond[] = "DATE(uer.Timestamp) BETWEEN DATE(?) AND DATE(?)";
$args[] = $SubmittedTimestamp1;
$args[] = $SubmittedTimestamp2;
}
break;
default:
break;
}
}
if (!empty($HandledTimestamp1)) {
switch($HandledBetween) {
case 'on':
$cond[] = "DATE(uer.HandledTimestamp) = DATE(?)";
$args[] = $HandledTimestamp1;
break;
case 'before':
$cond[] = "DATE(uer.HandledTimestamp) < DATE(?)";
$args[] = $HandledTimestamp1;
break;
case 'after':
$cond[] = "DATE(uer.HandledTimestamp) > DATE(?)";
$args[] = $HandledTimestamp1;
break;
case 'between':
if (!empty($HandledTimestamp2)) {
$cond[] = "DATE(uer.HandledTimestamp) BETWEEN DATE(?) AND DATE(?)";
$args[] = $HandledTimestamp1;
$args[] = $HandledTimestamp2;
}
break;
default:
break;
}
}
if (!empty($HandledUsername)) {
$cond[] = "um2.Username = ?";
$args[] = $HandledUsername;
}
if (!empty($OutcomeSearch)) {
$cond[] = "uer.Outcome = ?";
$args[] = $OutcomeSearch;
}
if ($Checked) {
// This is to skip the if statement in enable_requests.php
$cond[] = "(uer.Outcome IS NULL OR uer.Outcome IS NOT NULL)";
}
return [$cond, $args];
}
}