Add single-user handling (#9)
- Disallow log on for single-user mode user - Improve CLI header display
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@ -22,5 +22,9 @@ function printfn(string $format, mixed ...$values): void {
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* @param string $title The title to display on the command line
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*/
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function cli_title(string $title): void {
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printfn("$title | Feed Reader Central v%s" . PHP_EOL, FRC_VERSION);
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$appTitle = 'Feed Reader Central ~ v' . FRC_VERSION;
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$dashes = ' +' . str_repeat('-', strlen($title) + 2) . '+' . str_repeat('-', strlen($appTitle) + 2) . '+';
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printfn($dashes);
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printfn(' | %s | %s |', $title, $appTitle);
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printfn($dashes . PHP_EOL);
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}
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@ -20,6 +20,9 @@ class Security {
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/** @var string The password for the single user with no password */
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private const string SINGLE_USER_PASSWORD = 'no-password-required';
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/** @var string The password algorithm to use for our passwords */
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public const string PW_ALGORITHM = PASSWORD_DEFAULT;
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/**
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* Find a user by their ID
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*
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@ -27,7 +30,7 @@ class Security {
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* @param SQLite3 $db The data connection to use to retrieve the user
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* @return array|false The user information, or null if the user is not found
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*/
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private static function findUserByEmail(string $email, SQLite3 $db): array|false {
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public static function findUserByEmail(string $email, SQLite3 $db): array|false {
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$query = $db->prepare('SELECT * FROM frc_user WHERE email = :email');
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$query->bindValue(':email', $email);
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$result = $query->execute();
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@ -44,7 +47,7 @@ class Security {
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public static function addUser(string $email, string $password, SQLite3 $db): void {
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$query = $db->prepare('INSERT INTO frc_user (email, password) VALUES (:email, :password)');
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$query->bindValue(':email', $email);
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$query->bindValue(':password', password_hash($password, PASSWORD_DEFAULT));
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$query->bindValue(':password', password_hash($password, self::PW_ALGORITHM));
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$query->execute();
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}
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@ -58,9 +61,9 @@ class Security {
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*/
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private static function verifyPassword(array $user, string $password, ?string $returnTo, SQLite3 $db): void {
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if (password_verify($password, $user['password'])) {
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if (password_needs_rehash($user['password'], PASSWORD_DEFAULT)) {
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if (password_needs_rehash($user['password'], self::PW_ALGORITHM)) {
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$rehash = $db->prepare('UPDATE frc_user SET password = :hash WHERE id = :id');
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$rehash->bindValue(':hash', password_hash($password, PASSWORD_DEFAULT));
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$rehash->bindValue(':hash', password_hash($password, self::PW_ALGORITHM));
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$rehash->bindValue(':id', $user['id']);
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$rehash->execute();
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}
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@ -73,12 +76,16 @@ class Security {
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/**
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* Log on a user with e-mail address and password
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*
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* @param string $email The e-mail address for the user
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* @param string $email The e-mail address for the user (cannot be the single-user mode user)
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* @param string $password The password provided by the user
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* @param string|null $returnTo The URL to which the user should be redirected
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* @param SQLite3 $db The database connection to use to verify the user's credentials
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*/
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public static function logOnUser(string $email, string $password, ?string $returnTo, SQLite3 $db): void {
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if ($email == self::SINGLE_USER_EMAIL) {
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add_error('Invalid credentials; log on unsuccessful');
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return;
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}
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$user = self::findUserByEmail($email, $db);
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if ($user) self::verifyPassword($user, $password, $returnTo, $db);
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add_error('Invalid credentials; log on unsuccessful');
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@ -93,7 +100,7 @@ class Security {
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*/
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public static function updatePassword(string $email, string $password, SQLite3 $db): void {
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$query = $db->prepare('UPDATE frc_user SET password = :password WHERE email = :email');
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$query->bindValue(':password', password_hash($password, PASSWORD_DEFAULT));
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$query->bindValue(':password', password_hash($password, self::PW_ALGORITHM));
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$query->bindValue(':email', $email);
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$query->execute();
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}
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@ -47,13 +47,17 @@ switch ($argv[1]) {
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printfn('Missing parameters: delete-user requires e-mail address');
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exit(-1);
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}
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delete_user();
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delete_user($argv[2]);
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break;
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case 'migrate-single-user':
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printfn('TODO: single-user migration');
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if ($argc < 4) {
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printfn('Missing parameters: migrate-single-user requires e-mail and password');
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exit(-1);
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}
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migrate_single_user();
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break;
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case 'remove-single-user':
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printfn('TODO: single-user removal');
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delete_user(Security::SINGLE_USER_EMAIL);
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break;
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default:
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printfn('Unrecognized option "%s"', $argv[1]);
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@ -70,14 +74,8 @@ function add_user(): void {
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try {
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// Ensure there is not already a user with this e-mail address
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$existsQuery = $db->prepare('SELECT COUNT(*) FROM frc_user WHERE email = :email');
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$existsQuery->bindValue(':email', $argv[2]);
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$existsResult = $existsQuery->execute();
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if (!$existsResult) {
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printfn('SQLite error: %s', $db->lastErrorMsg());
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return;
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}
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if ($existsResult->fetchArray(SQLITE3_NUM)[0] != 0) {
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$user = Security::findUserByEmail($argv[2], $db);
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if ($user) {
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printfn('A user with e-mail address "%s" already exists', $argv[2]);
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return;
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}
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@ -100,14 +98,8 @@ function set_password(): void {
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try {
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// Ensure this user exists
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$existsQuery = $db->prepare('SELECT COUNT(*) FROM frc_user WHERE email = :email');
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$existsQuery->bindValue(':email', $argv[2]);
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$existsResult = $existsQuery->execute();
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if (!$existsResult) {
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printfn('SQLite error: %s', $db->lastErrorMsg());
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return;
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}
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if ($existsResult->fetchArray(SQLITE3_NUM)[0] == 0) {
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$user = Security::findUserByEmail($argv[2], $db);
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if (!$user) {
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printfn('No user exists with e-mail address "%s"', $argv[2]);
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return;
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}
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@ -122,29 +114,25 @@ function set_password(): void {
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/**
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* Delete a user
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*
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* @param string $email The e-mail address of the user to be deleted
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*/
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function delete_user(): void {
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global $argv;
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function delete_user(string $email): void {
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$db = Data::getConnection();
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try {
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$displayUser = $email == Security::SINGLE_USER_EMAIL ? 'single-user mode user' : "user \"$email\"";
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// Get the ID for the provided e-mail address
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$idQuery = $db->prepare('SELECT id FROM frc_user WHERE email = :email');
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$idQuery->bindValue(':email', $argv[2]);
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$idResult = $idQuery->execute();
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if (!$idResult) {
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printfn('SQLite error: %s', $db->lastErrorMsg());
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return;
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}
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$id = $idResult->fetchArray(SQLITE3_NUM);
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if (!$id) {
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printfn('No user exists with e-mail address "%s"', $argv[2]);
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$user = Security::findUserByEmail($email, $db);
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if (!$user) {
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printfn('No %s exists', $displayUser);
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return;
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}
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$feedCountQuery = $db->prepare('SELECT COUNT(*) FROM feed WHERE user_id = :user');
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$feedCountQuery->bindValue(':user', $id[0]);
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$feedCountQuery->bindValue(':user', $user['id']);
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$feedCountResult = $feedCountQuery->execute();
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if (!$feedCountResult) {
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printfn('SQLite error: %s', $db->lastErrorMsg());
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@ -152,25 +140,52 @@ function delete_user(): void {
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}
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$feedCount = $feedCountResult->fetchArray(SQLITE3_NUM);
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$proceed = readline("Delete user \"$argv[2]\" and their $feedCount[0] feed(s)? (y/N)" . PHP_EOL);
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$proceed = readline("Delete the $displayUser and their $feedCount[0] feed(s)? (y/N)" . PHP_EOL);
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if (!$proceed || !str_starts_with(strtolower($proceed), 'y')) {
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printfn('Deletion canceled');
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return;
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}
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$itemDelete = $db->prepare('DELETE FROM item WHERE feed_id IN (SELECT id FROM feed WHERE user_id = :user)');
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$itemDelete->bindValue(':user', $id[0]);
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$itemDelete->bindValue(':user', $user['id']);
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$itemDelete->execute();
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$feedDelete = $db->prepare('DELETE FROM feed WHERE user_id = :user');
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$feedDelete->bindValue(':user', $id[0]);
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$feedDelete->bindValue(':user', $user['id']);
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$feedDelete->execute();
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$userDelete = $db->prepare('DELETE FROM frc_user WHERE id = :user');
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$userDelete->bindValue(':user', $id[0]);
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$userDelete->bindValue(':user', $user['id']);
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$userDelete->execute();
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printfn('User "%s" deleted successfully', $argv[2]);
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printfn(strtoupper(substr($displayUser, 0, 1)) . substr($displayUser, 1) . ' deleted successfully');
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} finally {
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$db->close();
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}
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}
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/**
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* Change the single-user mode user to a different e-mail address and password
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*/
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function migrate_single_user(): void {
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global $argv;
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$db = Data::getConnection();
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try {
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$single = Security::findUserByEmail(Security::SINGLE_USER_EMAIL, $db);
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if (!$single) {
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printfn('There is no single-user mode user to be migrated');
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return;
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}
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$migrateQuery = $db->prepare('UPDATE frc_user SET email = :email, password = :password WHERE id = :id');
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$migrateQuery->bindValue(':email', $argv[2]);
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$migrateQuery->bindValue(':password', password_hash($argv[3], Security::PW_ALGORITHM));
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$migrateQuery->bindValue(':id', $single['id']);
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$migrateQuery->execute();
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printfn('The single user has been moved to "%s", with password "%s"', $argv[2], $argv[3]);
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} finally {
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$db->close();
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}
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