<?php /** * @file include/account.php * @brief Somme account related functions. */ require_once('include/config.php'); require_once('include/network.php'); require_once('include/plugin.php'); require_once('include/text.php'); require_once('include/language.php'); require_once('include/datetime.php'); require_once('include/crypto.php'); require_once('include/identity.php'); function check_account_email($email) { $result = array('error' => false, 'message' => ''); // Caution: empty email isn't counted as an error in this function. // Check for empty value separately. if(! strlen($email)) return $result; if((! valid_email($email)) || (! validate_email($email))) $result['message'] .= t('Not a valid email address') . EOL; elseif(! allowed_email($email)) $result['message'] = t('Your email domain is not among those allowed on this site'); else { $r = q("select account_email from account where account_email = '%s' limit 1", dbesc($email) ); if($r) { $result['message'] .= t('Your email address is already registered at this site.'); } } if($result['message']) $result['error'] = true; $arr = array('email' => $email, 'result' => $result); call_hooks('check_account_email', $arr); return $arr['result']; } function check_account_password($password) { $result = array('error' => false, 'message' => ''); // The only validation we perform by default is pure Javascript to // check minimum length and that both entered passwords match. // Use hooked functions to perform complexity requirement checks. $arr = array('password' => $password, 'result' => $result); call_hooks('check_account_password', $arr); return $arr['result']; } function check_account_invite($invite_code) { $result = array('error' => false, 'message' => ''); $using_invites = get_config('system','invitation_only'); if($using_invites) { if(! $invite_code) { $result['message'] .= t('An invitation is required.') . EOL; } $r = q("select * from register where `hash` = '%s' limit 1", dbesc($invite_code)); if(! $r) { $result['message'] .= t('Invitation could not be verified.') . EOL; } } if(strlen($result['message'])) $result['error'] = true; $arr = array('invite_code' => $invite_code, 'result' => $result); call_hooks('check_account_invite', $arr); return $arr['result']; } function check_account_admin($arr) { if(is_site_admin()) return true; $admin_email = trim(get_config('system','admin_email')); if(strlen($admin_email) && $admin_email === trim($arr['email'])) return true; return false; } function account_total() { $r = q("select account_id from account where true"); if(is_array($r)) return count($r); return false; } function create_account($arr) { // Required: { email, password } $result = array('success' => false, 'email' => '', 'password' => '', 'message' => ''); $invite_code = ((x($arr,'invite_code')) ? notags(trim($arr['invite_code'])) : ''); $email = ((x($arr,'email')) ? notags(trim($arr['email'])) : ''); $password = ((x($arr,'password')) ? trim($arr['password']) : ''); $password2 = ((x($arr,'password2')) ? trim($arr['password2']) : ''); $parent = ((x($arr,'parent')) ? intval($arr['parent']) : 0 ); $flags = ((x($arr,'account_flags')) ? intval($arr['account_flags']) : ACCOUNT_OK); $roles = ((x($arr,'account_roles')) ? intval($arr['account_roles']) : 0 ); $expires = ((x($arr,'expires')) ? intval($arr['expires']) : NULL_DATE); $default_service_class = get_config('system','default_service_class'); if($default_service_class === false) $default_service_class = ''; if((! x($email)) || (! x($password))) { $result['message'] = t('Please enter the required information.'); return $result; } // prevent form hackery if($roles & ACCOUNT_ROLE_ADMIN) { $admin_result = check_account_admin($arr); if(! $admin_result) { $roles = 0; } } // allow the admin_email account to be admin, but only if it's the first account. $c = account_total(); if (($c === 0) && (check_account_admin($arr))) $roles |= ACCOUNT_ROLE_ADMIN; // Ensure that there is a host keypair. if ((! get_config('system', 'pubkey')) && (! get_config('system', 'prvkey'))) { $hostkey = new_keypair(4096); set_config('system', 'pubkey', $hostkey['pubkey']); set_config('system', 'prvkey', $hostkey['prvkey']); } $invite_result = check_account_invite($invite_code); if($invite_result['error']) { $result['message'] = $invite_result['message']; return $result; } $email_result = check_account_email($email); if($email_result['error']) { $result['message'] = $email_result['message']; return $result; } $password_result = check_account_password($password); if($password_result['error']) { $result['message'] = $password_result['message']; return $result; } $salt = random_string(32); $password_encoded = hash('whirlpool', $salt . $password); $r = q("INSERT INTO account ( account_parent, account_salt, account_password, account_email, account_language, account_created, account_flags, account_roles, account_expires, account_service_class ) VALUES ( %d, '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s' )", intval($parent), dbesc($salt), dbesc($password_encoded), dbesc($email), dbesc(get_best_language()), dbesc(datetime_convert()), dbesc($flags), dbesc($roles), dbesc($expires), dbesc($default_service_class) ); if(! $r) { logger('create_account: DB INSERT failed.'); $result['message'] = t('Failed to store account information.'); return($result); } $r = q("select * from account where account_email = '%s' and account_password = '%s' limit 1", dbesc($email), dbesc($password_encoded) ); if($r && count($r)) { $result['account'] = $r[0]; } else { logger('create_account: could not retrieve newly created account'); } // Set the parent record to the current record_id if no parent was provided if(! $parent) { $r = q("update account set account_parent = %d where account_id = %d", intval($result['account']['account_id']), intval($result['account']['account_id']) ); if(! $r) { logger('create_account: failed to set parent'); } $result['account']['parent'] = $result['account']['account_id']; } $result['success'] = true; $result['email'] = $email; $result['password'] = $password; call_hooks('register_account',$result); return $result; } function verify_email_address($arr) { $hash = random_string(); $r = q("INSERT INTO register ( hash, created, uid, password, language ) VALUES ( '%s', '%s', %d, '%s', '%s' ) ", dbesc($hash), dbesc(datetime_convert()), intval($arr['account']['account_id']), dbesc('verify'), dbesc($arr['account']['account_language']) ); $email_msg = replace_macros(get_intltext_template('register_verify_member.tpl'), array( '$sitename' => get_config('system','sitename'), '$siteurl' => z_root(), '$email' => $arr['email'], '$uid' => $arr['account']['account_id'], '$hash' => $hash, '$details' => $details )); $res = mail($arr['email'], email_header_encode(sprintf( t('Registration confirmation for %s'), get_config('system','sitename'))), $email_msg, 'From: ' . 'Administrator' . '@' . get_app()->get_hostname() . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit' ); if($res) $delivered ++; else logger('send_reg_approval_email: failed to ' . $admin['email'] . 'account_id: ' . $arr['account']['account_id']); return $res; } function send_reg_approval_email($arr) { $r = q("select * from account where account_roles & " . intval(ACCOUNT_ROLE_ADMIN)); if(! ($r && count($r))) return false; $admins = array(); foreach($r as $rr) { if(strlen($rr['account_email'])) { $admins[] = array('email' => $rr['account_email'], 'lang' => $rr['account_lang']); } } if(! count($admins)) return false; $hash = random_string(); $r = q("INSERT INTO register ( hash, created, uid, password, language ) VALUES ( '%s', '%s', %d, '%s', '%s' ) ", dbesc($hash), dbesc(datetime_convert()), intval($arr['account']['account_id']), dbesc(''), dbesc($arr['account']['account_language']) ); $ip = $_SERVER['REMOTE_ADDR']; $details = (($ip) ? $ip . ' [' . gethostbyaddr($ip) . ']' : '[unknown or stealth IP]'); $delivered = 0; foreach($admins as $admin) { if(strlen($admin['lang'])) push_lang($admin['lang']); else push_lang('en'); $email_msg = replace_macros(get_intltext_template('register_verify_eml.tpl'), array( '$sitename' => get_config('system','sitename'), '$siteurl' => z_root(), '$email' => $arr['email'], '$uid' => $arr['account']['account_id'], '$hash' => $hash, '$details' => $details )); $res = mail($admin['email'], sprintf( t('Registration request at %s'), get_config('system','sitename')), $email_msg, 'From: ' . t('Administrator') . '@' . get_app()->get_hostname() . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit' ); if($res) $delivered ++; else logger('send_reg_approval_email: failed to ' . $admin['email'] . 'account_id: ' . $arr['account']['account_id']); pop_lang(); } return($delivered ? true : false); } function send_register_success_email($email,$password) { $email_msg = replace_macros(get_intltext_template('register_open_eml.tpl'), array( '$sitename' => get_config('system','sitename'), '$siteurl' => z_root(), '$email' => $email, '$password' => t('your registration password'), )); $res = mail($email, sprintf( t('Registration details for %s'), get_config('system','sitename')), $email_msg, 'From: ' . t('Administrator') . '@' . get_app()->get_hostname() . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit' ); return($res ? true : false); } /** * @brief Allows a user registration. * * @param string $hash * @return array|boolean */ function account_allow($hash) { $ret = array('success' => false); $register = q("SELECT * FROM `register` WHERE `hash` = '%s' LIMIT 1", dbesc($hash) ); if(! $register) return $ret; $account = q("SELECT * FROM account WHERE account_id = %d LIMIT 1", intval($register[0]['uid']) ); if(! $account) return $ret; $r = q("DELETE FROM register WHERE hash = '%s'", dbesc($register[0]['hash']) ); $r = q("update account set account_flags = (account_flags & ~%d) where (account_flags & %d)>0 and account_id = %d", intval(ACCOUNT_BLOCKED), intval(ACCOUNT_BLOCKED), intval($register[0]['uid']) ); $r = q("update account set account_flags = (account_flags & ~%d) where (account_flags & %d)>0 and account_id = %d", intval(ACCOUNT_PENDING), intval(ACCOUNT_PENDING), intval($register[0]['uid']) ); push_lang($register[0]['language']); $email_tpl = get_intltext_template("register_open_eml.tpl"); $email_tpl = replace_macros($email_tpl, array( '$sitename' => get_config('system','sitename'), '$siteurl' => z_root(), '$username' => $account[0]['account_email'], '$email' => $account[0]['account_email'], '$password' => '', '$uid' => $account[0]['account_id'] )); $res = mail($account[0]['account_email'], sprintf( t('Registration details for %s'), get_config('system','sitename')), $email_tpl, 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit' ); pop_lang(); if(get_config('system','auto_channel_create') || UNO) auto_channel_create($register[0]['uid']); if ($res) { info( t('Account approved.') . EOL ); return true; } } /** * @brief Denies an account registration. * * This does not have to go through user_remove() and save the nickname * permanently against re-registration, as the person was not yet * allowed to have friends on this system * * @param string $hash * @return boolean */ function account_deny($hash) { $register = q("SELECT * FROM register WHERE hash = '%s' LIMIT 1", dbesc($hash) ); if(! count($register)) return false; $account = q("SELECT account_id, account_email FROM account WHERE account_id = %d LIMIT 1", intval($register[0]['uid']) ); if(! $account) return false; $r = q("DELETE FROM account WHERE account_id = %d", intval($register[0]['uid']) ); $r = q("DELETE FROM `register` WHERE id = %d", dbesc($register[0]['id']) ); notice( sprintf(t('Registration revoked for %s'), $account[0]['account_email']) . EOL); return true; } // called from regver to activate an account from the email verification link function account_approve($hash) { $ret = array('success' => false); // Note: when the password in the register table is 'verify', the uid actually contains the account_id $register = q("SELECT * FROM `register` WHERE `hash` = '%s' and password = 'verify' LIMIT 1", dbesc($hash) ); if(! $register) return $ret; $account = q("SELECT * FROM account WHERE account_id = %d LIMIT 1", intval($register[0]['uid']) ); if(! $account) return $ret; $r = q("DELETE FROM register WHERE hash = '%s' and password = 'verify'", dbesc($register[0]['hash']) ); $r = q("update account set account_flags = (account_flags & ~%d) where (account_flags & %d)>0 and account_id = %d", intval(ACCOUNT_BLOCKED), intval(ACCOUNT_BLOCKED), intval($register[0]['uid']) ); $r = q("update account set account_flags = (account_flags & ~%d) where (account_flags & %d)>0 and account_id = %d", intval(ACCOUNT_PENDING), intval(ACCOUNT_PENDING), intval($register[0]['uid']) ); $r = q("update account set account_flags = (account_flags & ~%d) where (account_flags & %d)>0 and account_id = %d", intval(ACCOUNT_UNVERIFIED), intval(ACCOUNT_UNVERIFIED), intval($register[0]['uid']) ); if(get_config('system','auto_channel_create') || UNO) auto_channel_create($register[0]['uid']); info( t('Account verified. Please login.') . EOL ); return true; } /** * @brief Checks for accounts that have past their expiration date. * * If the account has a service class which is not the site default, * the service class is reset to the site default and expiration reset to never. * If the account has no service class it is expired and subsequently disabled. * called from include/poller.php as a scheduled task. * * Reclaiming resources which are no longer within the service class limits is * not the job of this function, but this can be implemented by plugin if desired. * Default behaviour is to stop allowing additional resources to be consumed. */ function downgrade_accounts() { $r = q("select * from account where not ( account_flags & %d )>0 and account_expires != '%s' and account_expires < %s ", intval(ACCOUNT_EXPIRED), dbesc(NULL_DATE), db_getfunc('UTC_TIMESTAMP') ); if(! $r) return; $basic = get_config('system','default_service_class'); foreach($r as $rr) { if(($basic) && ($rr['account_service_class']) && ($rr['account_service_class'] != $basic)) { $x = q("UPDATE account set account_service_class = '%s', account_expires = '%s' where account_id = %d", dbesc($basic), dbesc(NULL_DATE), intval($rr['account_id']) ); $ret = array('account' => $rr); call_hooks('account_downgrade', $ret ); logger('downgrade_accounts: Account id ' . $rr['account_id'] . ' downgraded.'); } else { $x = q("UPDATE account SET account_flags = (account_flags | %d) where account_id = %d", intval(ACCOUNT_EXPIRED), intval($rr['account_id']) ); $ret = array('account' => $rr); call_hooks('account_downgrade', $ret); logger('downgrade_accounts: Account id ' . $rr['account_id'] . ' expired.'); } } } /** * @brief Check service_class restrictions. * * If there are no service_classes defined, everything is allowed. * If $usage is supplied, we check against a maximum count and return true if * the current usage is less than the subscriber plan allows. Otherwise we * return boolean true or false if the property is allowed (or not) in this * subscriber plan. An unset property for this service plan means the property * is allowed, so it is only necessary to provide negative properties for each * plan, or what the subscriber is not allowed to do. * * Like account_service_class_allows() but queries directly by account rather * than channel. Service classes are set for accounts, so we look up the * account for the channel and fetch the service class restrictions of the * account. * * @see account_service_class_allows() if you have a channel_id already * @see service_class_fetch() * * @param int $uid The channel_id to check * @param string $property The service class property to check for * @param string|boolean $usage (optional) The value to check against * @return boolean */ function service_class_allows($uid, $property, $usage = false) { $limit = service_class_fetch($uid, $property); if($limit === false) return true; // No service class set => everything is allowed if($usage === false) { // We use negative values for not allowed properties in a subscriber plan return ((x($limit)) ? (bool) $limit : true); } else { return (((intval($usage)) < intval($limit)) ? true : false); } } /** * @brief Check service class restrictions by account. * * If there are no service_classes defined, everything is allowed. * If $usage is supplied, we check against a maximum count and return true if * the current usage is less than the subscriber plan allows. Otherwise we * return boolean true or false if the property is allowed (or not) in this * subscriber plan. An unset property for this service plan means the property * is allowed, so it is only necessary to provide negative properties for each * plan, or what the subscriber is not allowed to do. * * Like service_class_allows() but queries directly by account rather than channel. * * @see service_class_allows() if you have a channel_id instead of an account_id * @see account_service_class_fetch() * * @param int $aid The account_id to check * @param string $property The service class property to check for * @param int|boolean $usage (optional) The value to check against * @return boolean */ function account_service_class_allows($aid, $property, $usage = false) { $limit = account_service_class_fetch($aid, $property); if($limit === false) return true; // No service class is set => everything is allowed if($usage === false) { // We use negative values for not allowed properties in a subscriber plan return ((x($limit)) ? (bool) $limit : true); } else { return (((intval($usage)) < intval($limit)) ? true : false); } } /** * @brief Queries a service class value for a channel and property. * * Service classes are set for accounts, so look up the account for this channel * and fetch the service classe of the account. * * If no service class is available it returns false and everything should be * allowed. * * @see account_service_class_fetch() * * @param int $uid The channel_id to query * @param string $property The service property name to check for * @return boolean|int * * @todo Should we merge this with account_service_class_fetch()? */ function service_class_fetch($uid, $property) { $a = get_app(); if($uid == local_channel()) { $service_class = $a->account['account_service_class']; } else { $r = q("select account_service_class as service_class from channel c, account a where c.channel_account_id=a.account_id and c.channel_id= %d limit 1", intval($uid) ); if($r !== false and count($r)) { $service_class = $r[0]['service_class']; } } if(! x($service_class)) return false; // everything is allowed $arr = get_config('service_class', $service_class); if(! is_array($arr) || (! count($arr))) return false; return((array_key_exists($property, $arr)) ? $arr[$property] : false); } /** * @brief Queries a service class value for an account and property. * * Like service_class_fetch() but queries by account rather than channel. * * @see service_class_fetch() if you have channel_id. * @see account_service_class_allows() * * @param int $aid The account_id to query * @param string $property The service property name to check for * @return boolean|int */ function account_service_class_fetch($aid, $property) { $r = q("select account_service_class as service_class from account where account_id = %d limit 1", intval($aid) ); if($r !== false && count($r)) { $service_class = $r[0]['service_class']; } if(! x($service_class)) return false; // everything is allowed $arr = get_config('service_class', $service_class); if(! is_array($arr) || (! count($arr))) return false; return((array_key_exists($property, $arr)) ? $arr[$property] : false); } function upgrade_link($bbcode = false) { $l = get_config('service_class', 'upgrade_link'); if(! $l) return ''; if($bbcode) $t = sprintf('[zrl=%s]' . t('Click here to upgrade.') . '[/zrl]', $l); else $t = sprintf('<a href="%s">' . t('Click here to upgrade.') . '</div>', $l); return $t; } function upgrade_message($bbcode = false) { $x = upgrade_link($bbcode); return t('This action exceeds the limits set by your subscription plan.') . (($x) ? ' ' . $x : '') ; } function upgrade_bool_message($bbcode = false) { $x = upgrade_link($bbcode); return t('This action is not available under your subscription plan.') . (($x) ? ' ' . $x : '') ; }