boinc/html/inc/user_util.inc

323 lines
11 KiB
PHP

<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2017 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// functions for creating and deleting users
include_once("../inc/boinc_db.inc");
include_once("../inc/util.inc");
include_once("../inc/email.inc");
include_once("../inc/recaptchalib.php");
require_once("../inc/password_compat/password.inc");
require_once("../inc/consent.inc");
// Password hash has old format.
// Update user record with new format
//
function do_passwd_rehash($user, $passwd_hash) {
$database_passwd_hash = password_hash($passwd_hash, PASSWORD_DEFAULT);
$result = $user->update(" passwd_hash='$database_passwd_hash' ");
}
// return true if the passwd hash (old format)
// matches the user's passwd hash (possibly new format)
//
function check_passwd_hash($user, $passwd_hash) {
if (password_verify($passwd_hash, $user->passwd_hash)) {
// on valid login, rehash password to upgrade hash overtime
// as the defaults change.
//
if (password_needs_rehash($user->passwd_hash, PASSWORD_DEFAULT)) {
do_passwd_rehash($user, $passwd_hash);
}
} else if ($passwd_hash == $user->passwd_hash) {
// user record has old format. Change to new.
//
do_passwd_rehash($user, $passwd_hash);
} else {
return false;
}
return true;
}
function check_passwd_ui($user, $passwd) {
$passwd_hash = md5($passwd.$user->email_addr);
if(!check_passwd_hash($user, $passwd_hash)) {
sleep(LOGIN_FAIL_SLEEP_SEC);
page_head("Password incorrect");
echo "The password you entered is incorrect. Please go back and try again.\n";
page_tail();
exit;
}
}
function is_banned_email_addr($email_addr) {
global $banned_email_domains;
if (isset($banned_email_domains)) {
foreach($banned_email_domains as $d) {
$x = strstr($email_addr, $d);
if ($x == $d) return true;
}
}
return false;
}
function is_valid_user_name($name, &$reason) {
if (trim($name) !== $name) {
$reason = tra("user name cannot have leading or trailing white space");
return false;
}
if (strlen($name) == 0) {
$reason = tra("user name must be nonempty");
return false;
}
if (sanitize_tags($name) !== $name) {
$reason = tra("user name may not contain HTML tags");
return false;
}
return true;
}
function default_show_hosts() {
global $config;
// If enable privacy by default is TRUE, then show_hosts' default
// is FALSE.
return parse_bool($config, "enable_privacy_by_default") ? 0 : 1;
}
// the following DB-escapes its args
//
function make_user(
$email_addr, $name, $passwd_hash,
$country=null, $postal_code=null, $project_prefs=null, $teamid=0
) {
if (!is_valid_email_addr($email_addr)) return null;
if (is_banned_email_addr($email_addr)) return null;
$authenticator = random_string();
$cross_project_id = random_string();
$now = time();
if (!is_valid_country($country)) return null;
$email_addr = BoincDb::escape_string($email_addr);
$name = sanitize_tags($name);
$name = BoincDb::escape_string($name);
$database_passwd_hash = password_hash($passwd_hash, PASSWORD_DEFAULT);
$country = BoincDb::escape_string($country);
$postal_code = sanitize_tags(BoincDb::escape_string($postal_code));
$show_hosts = default_show_hosts();
$uid = BoincUser::insert("(create_time, email_addr, name, authenticator, country, postal_code, total_credit, expavg_credit, expavg_time, project_prefs, teamid, venue, send_email, show_hosts, posts, seti_id, seti_nresults, seti_last_result_time, seti_total_cpu, has_profile, cross_project_id, passwd_hash, email_validated, donated) values($now, '$email_addr', '$name', '$authenticator', '$country', '$postal_code', 0, 0, unix_timestamp(), '$project_prefs', $teamid, '', 1, $show_hosts, 0, 0, 0, 0, 0, 0, '$cross_project_id', '$database_passwd_hash', 0, 0)");
if (!$uid) {
return null;
}
$user = BoincUser::lookup_id($uid);
if (defined('RECORD_USER_IP')) {
$ip = $_SERVER['REMOTE_ADDR'];
$ip = BoincDb::escape_string($ip);
$user->update("venue='$ip'");
}
return $user;
}
function make_user_ldap($email_addr, $name) {
$email_addr = BoincDb::escape_string($email_addr);
$name = sanitize_tags($name);
$name = BoincDb::escape_string($name);
$authenticator = random_string();
$cross_project_id = random_string();
$passwd_hash = random_string();
$now = time();
$show_hosts = default_show_hosts();
$uid = BoincUser::insert("(create_time, email_addr, name, authenticator, country, postal_code, total_credit, expavg_credit, expavg_time, project_prefs, teamid, send_email, show_hosts, cross_project_id, passwd_hash) values($now, '$email_addr', '$name', '$authenticator', '', '', 0, 0, unix_timestamp(), '', 0, 1, $show_hosts, '$cross_project_id', '$passwd_hash')");
if ($uid) {
return BoincUser::lookup_id($uid);
} else {
return null;
}
}
function show_error($str) {
page_head(tra("Can't create account"));
echo "$str<br>\n";
echo BoincDb::error();
echo "<p>".tra("Click your browser's <b>Back</b> button to try again.")."\n</p>\n";
page_tail();
exit();
}
// validate POST args and make user.
// If error show error page and exit.
// Else return user object
//
function validate_post_make_user() {
global $recaptcha_private_key;
$config = get_config();
if (parse_bool($config, "disable_account_creation")
|| parse_bool($config, "no_web_account_creation")
) {
error_page("Account creation is disabled");
}
if ($recaptcha_private_key) {
if (!boinc_recaptcha_isValidated($recaptcha_private_key)) {
show_error(
tra("Your reCAPTCHA response was not correct. Please try again.")
);
}
}
// Check if consent to terms of use has been given.
//
$myconsent = FALSE;
list($checkct, $ctid) = check_consent_type(CONSENT_TYPE_ENROLL);
if ($checkct and check_termsofuse()) {
$agree = post_str("agree_to_terms_of_use", true);
if (!$agree) {
error_page(tra("You have not agreed to our terms of use. Please agree to the terms of use by navigating back to the previous page, in order to create your account"));
}
$myconsent = TRUE;
}
// see whether the new account should be pre-enrolled in a team,
// and initialized with its founder's project prefs
//
$teamid = post_int("teamid", true);
if ($teamid) {
$team = BoincTeam::lookup_id($teamid);
$clone_user = BoincUser::lookup_id($team->userid);
if (!$clone_user) {
error_page("User $userid not found");
}
$project_prefs = $clone_user->project_prefs;
} else {
$teamid = 0;
$project_prefs = "";
}
if (defined('INVITE_CODES')) {
$invite_code = post_str("invite_code");
if (strlen($invite_code) == 0) {
show_error(tra("You must supply an invitation code to create an account."));
}
if (!preg_match(INVITE_CODES, $invite_code)) {
show_error(tra("The invitation code you gave is not valid."));
}
}
$new_name = post_str("new_name");
if (!is_valid_user_name($new_name, $reason)) {
show_error($reason);
}
$new_email_addr = strtolower(post_str("new_email_addr"));
if (!is_valid_email_addr($new_email_addr)) {
show_error(tra("Invalid email address: please enter a valid address of the form name@xxx.yyy"));
}
$user = BoincUser::lookup_email_addr($new_email_addr);
if ($user) {
show_error(tra("There's already an account with that email address."));
}
$tmpuser = BoincUser::lookup_prev_email_addr($new_email_addr);
if ($tmpuser) {
show_error(tra("There's already an account with that email address."));
}
$passwd = post_str("passwd");
$min_passwd_length = parse_config($config, "<min_passwd_length>");
if (!$min_passwd_length) $min_passwd_length = 6;
if (!is_ascii($passwd)) {
show_error(tra("Passwords may only include ASCII characters."));
}
if (strlen($passwd)<$min_passwd_length) {
show_error(
tra("New password is too short: minimum password length is %1 characters.", $min_passwd_length)
);
}
$passwd_hash = md5($passwd.$new_email_addr);
$country = "";
if (USER_COUNTRY) {
$country = post_str("country", true);
if ($country && !is_valid_country($country)) {
error_page("bad country");
}
}
if (POSTAL_CODE) {
$postal_code = sanitize_tags(post_str("postal_code", true));
} else {
$postal_code = '';
}
$user = make_user(
$new_email_addr, $new_name, $passwd_hash,
$country, $postal_code, $project_prefs, $teamid
);
if (!$user) {
show_error(
tra("Couldn't create account").": ".BoincDb::error()
);
}
if ($myconsent) {
$rc = consent_to_a_policy($user, $ctid, 1, 0, 'Webreg');
if (!$rc) {
show_error(tra("database error, please contact site administrators"));
}
}
if (defined('INVITE_CODES')) {
error_log("Account '$new_email_addr' created using invitation code '$invite_code'");
}
return $user;
}
// delete a user and all associated records except
// result
// host
// batch
// team
// user_submit
// user_submit_app
// credited_job
// donation_paypal
// sent_email
//
function delete_user($user) {
delete_profile($user);
forum_delete_user($user);
// deletes post, thread, subscription, forum_preferences, forum_logging
BoincPrivateMessage::delete_aux("userid=$user->id or senderid=$user->id");
BoincNotify::delete_aux("userid=$user->id");
BoincCreditUser::delete_user($user);
BoincBadgeUser::delete("user_id=$user->id");
BoincFriend::delete_aux("user_src=$user->id or user_dest=$user->id");
BoincToken::delete_for_user($user->id);
$user->delete();
}
?>