608 lines
18 KiB
PHP
608 lines
18 KiB
PHP
<?php
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/*
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* Name: User Management
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* Author: Shish
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* Description: Allows people to sign up to the website
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*/
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class UserBlockBuildingEvent extends Event {
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var $parts = array();
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public function add_link($name, $link, $position=50) {
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while(isset($this->parts[$position])) $position++;
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$this->parts[$position] = array("name" => $name, "link" => $link);
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}
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}
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class UserPageBuildingEvent extends Event {
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var $display_user;
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var $stats = array();
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public function __construct(User $display_user) {
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$this->display_user = $display_user;
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}
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public function add_stats($html, $position=50) {
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while(isset($this->stats[$position])) $position++;
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$this->stats[$position] = $html;
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}
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}
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class UserCreationEvent extends Event {
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var $username;
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var $password;
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var $email;
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public function __construct($name, $pass, $email) {
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$this->username = $name;
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$this->password = $pass;
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$this->email = $email;
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}
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}
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class UserDeletionEvent extends Event {
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var $id;
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public function __construct($id) {
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$this->id = $id;
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}
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}
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class UserCreationException extends SCoreException {}
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class NullUserException extends SCoreException {}
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class UserPage extends Extension {
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public function onInitExt(InitExtEvent $event) {
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global $config;
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$config->set_default_bool("login_signup_enabled", true);
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$config->set_default_int("login_memory", 365);
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$config->set_default_string("avatar_host", "none");
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$config->set_default_int("avatar_gravatar_size", 80);
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$config->set_default_string("avatar_gravatar_default", "");
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$config->set_default_string("avatar_gravatar_rating", "g");
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$config->set_default_bool("login_tac_bbcode", true);
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}
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public function onPageRequest(PageRequestEvent $event) {
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global $config, $database, $page, $user;
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// user info is shown on all pages
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if($user->is_anonymous()) {
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$this->theme->display_login_block($page);
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}
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else {
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$ubbe = new UserBlockBuildingEvent();
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send_event($ubbe);
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ksort($ubbe->parts);
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$this->theme->display_user_block($page, $user, $ubbe->parts);
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}
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if($event->page_matches("user_admin")) {
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if($event->get_arg(0) == "login") {
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if(isset($_POST['user']) && isset($_POST['pass'])) {
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$this->login($page);
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}
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else {
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$this->theme->display_login_page($page);
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}
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}
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else if($event->get_arg(0) == "recover") {
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$user = User::by_name($_POST['username']);
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if(is_null($user)) {
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$this->theme->display_error(404, "Error", "There's no user with that name");
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}
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else if(is_null($user->email)) {
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$this->theme->display_error(400, "Error", "That user has no registered email address");
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}
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else {
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// send email
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}
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}
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else if($event->get_arg(0) == "create") {
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if(!$config->get_bool("login_signup_enabled")) {
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$this->theme->display_signups_disabled($page);
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}
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else if(!isset($_POST['name'])) {
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$this->theme->display_signup_page($page);
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}
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else if($_POST['pass1'] != $_POST['pass2']) {
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$this->theme->display_error(400, "Password Mismatch", "Passwords don't match");
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}
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else {
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try {
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if(!captcha_check()) {
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throw new UserCreationException("Error in captcha");
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}
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$uce = new UserCreationEvent($_POST['name'], $_POST['pass1'], $_POST['email']);
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send_event($uce);
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$this->set_login_cookie($uce->username, $uce->password);
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$page->set_mode("redirect");
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$page->set_redirect(make_link("user"));
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}
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catch(UserCreationException $ex) {
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$this->theme->display_error(400, "User Creation Error", $ex->getMessage());
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}
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}
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}
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else if($event->get_arg(0) == "list") {
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// select users.id,name,joindate,admin,
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// (select count(*) from images where images.owner_id=users.id) as images,
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// (select count(*) from comments where comments.owner_id=users.id) as comments from users;
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// select users.id,name,joindate,admin,image_count,comment_count
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// from users
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// join (select owner_id,count(*) as image_count from images group by owner_id) as _images on _images.owner_id=users.id
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// join (select owner_id,count(*) as comment_count from comments group by owner_id) as _comments on _comments.owner_id=users.id;
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$this->theme->display_user_list($page, User::by_list(0), $user);
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}
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else if($event->get_arg(0) == "logout") {
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set_prefixed_cookie("session", "", time()+60*60*24*$config->get_int('login_memory'), "/");
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if(CACHE_HTTP || SPEED_HAX) {
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# to keep as few versions of content as possible,
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# make cookies all-or-nothing
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set_prefixed_cookie("user", "", time()+60*60*24*$config->get_int('login_memory'), "/");
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}
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log_info("user", "Logged out");
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$page->set_mode("redirect");
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// Try forwarding to same page on logout unless user comes from registration page
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if ($config->get_int("user_loginshowprofile",0) == 0 &&
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isset($_SERVER['HTTP_REFERER']) &&
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strstr($_SERVER['HTTP_REFERER'], "post/"))
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{
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$page->set_redirect ($_SERVER['HTTP_REFERER']);
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} else {
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$page->set_redirect(make_link());
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}
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}
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if(!$user->check_auth_token()) {
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return;
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}
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else if($event->get_arg(0) == "change_pass") {
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if(isset($_POST['id']) && isset($_POST['pass1']) && isset($_POST['pass2'])) {
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$duser = User::by_id($_POST['id']);
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if ( ! $duser instanceof User) {
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throw new NullUserException("Error: the user id does not exist!");
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}
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$pass1 = $_POST['pass1'];
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$pass2 = $_POST['pass2'];
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$this->change_password_wrapper($duser, $pass1, $pass2);
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}
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}
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else if($event->get_arg(0) == "change_email") {
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if(isset($_POST['id']) && isset($_POST['address'])) {
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$duser = User::by_id($_POST['id']);
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if ( ! $duser instanceof User) {
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throw new NullUserException("Error: the user id does not exist!");
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}
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$address = $_POST['address'];
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$this->change_email_wrapper($duser, $address);
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}
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}
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else if($event->get_arg(0) == "change_class") {
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global $_user_classes;
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if(isset($_POST['id']) && isset($_POST['class'])) {
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$duser = User::by_id($_POST['id']);
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if ( ! $duser instanceof User) {
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throw new NullUserException("Error: the user id does not exist!");
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}
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$class = $_POST['class'];
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if(!array_key_exists($class, $_user_classes)) {
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throw Exception("Invalid user class: ".html_escape($class));
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}
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$this->change_class_wrapper($duser, $class);
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}
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}
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else if($event->get_arg(0) == "delete_user") {
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$this->delete_user($page, isset($_POST["with_images"]), isset($_POST["with_comments"]));
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}
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}
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if($event->page_matches("user")) {
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$display_user = ($event->count_args() == 0) ? $user : User::by_name($event->get_arg(0));
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if($event->count_args() == 0 && $user->is_anonymous()) {
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$this->theme->display_error(401, "Not Logged In",
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"You aren't logged in. First do that, then you can see your stats.");
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}
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else if(!is_null($display_user) && ($display_user->id != $config->get_int("anon_id"))) {
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$e = new UserPageBuildingEvent($display_user);
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send_event($e);
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$this->display_stats($e);
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}
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else {
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$this->theme->display_error(404, "No Such User",
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"If you typed the ID by hand, try again; if you came from a link on this ".
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"site, it might be bug report time...");
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}
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}
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}
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public function onUserPageBuilding(UserPageBuildingEvent $event) {
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global $page, $user, $config;
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$h_join_date = autodate($event->display_user->join_date);
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if($event->display_user->can("hellbanned")) {
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$h_class = $event->display_user->class->parent->name;
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}
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else {
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$h_class = $event->display_user->class->name;
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}
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$event->add_stats("Joined: $h_join_date", 10);
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$event->add_stats("Class: $h_class", 90);
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$av = $event->display_user->get_avatar_html();
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if($av) {
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$event->add_stats($av, 0);
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}
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else if((
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$config->get_string("avatar_host") == "gravatar") &&
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($user->id == $event->display_user->id)
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) {
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$event->add_stats(
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"No avatar? This gallery uses <a href='http://gravatar.com'>Gravatar</a> for avatar hosting, use the".
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"<br>same email address here and there to have your avatar synced<br>",
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0
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);
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}
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}
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private function display_stats(UserPageBuildingEvent $event) {
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global $user, $page, $config;
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ksort($event->stats);
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$this->theme->display_user_page($event->display_user, $event->stats);
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if($user->id == $event->display_user->id) {
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$ubbe = new UserBlockBuildingEvent();
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send_event($ubbe);
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ksort($ubbe->parts);
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$this->theme->display_user_links($page, $user, $ubbe->parts);
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}
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if(
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($user->can("view_ip") || ($user->is_logged_in() && $user->id == $event->display_user->id)) && # admin or self-user
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($event->display_user->id != $config->get_int('anon_id')) # don't show anon's IP list, it is le huge
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) {
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$this->theme->display_ip_list(
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$page,
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$this->count_upload_ips($event->display_user),
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$this->count_comment_ips($event->display_user));
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}
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}
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public function onSetupBuilding(SetupBuildingEvent $event) {
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global $config;
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$hosts = array(
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"None" => "none",
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"Gravatar" => "gravatar"
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);
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$sb = new SetupBlock("User Options");
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$sb->add_bool_option("login_signup_enabled", "Allow new signups: ");
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$sb->add_longtext_option("login_tac", "<br>Terms & Conditions:<br>");
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$sb->add_choice_option("avatar_host", $hosts, "<br>Avatars: ");
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if($config->get_string("avatar_host") == "gravatar") {
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$sb->add_label("<br> <br><b>Gravatar Options</b>");
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$sb->add_choice_option("avatar_gravatar_type",
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array(
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'Default'=>'default',
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'Wavatar'=>'wavatar',
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'Monster ID'=>'monsterid',
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'Identicon'=>'identicon'
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),
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"<br>Type: ");
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$sb->add_choice_option("avatar_gravatar_rating",
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array('G'=>'g', 'PG'=>'pg', 'R'=>'r', 'X'=>'x'),
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"<br>Rating: ");
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}
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$sb->add_choice_option("user_loginshowprofile", array(
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"return to previous page" => 0, // 0 is default
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"send to user profile" => 1),
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"<br>When user logs in/out");
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$event->panel->add_block($sb);
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}
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public function onUserBlockBuilding(UserBlockBuildingEvent $event) {
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$event->add_link("My Profile", make_link("user"));
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$event->add_link("Log Out", make_link("user_admin/logout"), 99);
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}
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public function onUserCreation(UserCreationEvent $event) {
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$this->check_user_creation($event);
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$this->create_user($event);
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}
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public function onSearchTermParse(SearchTermParseEvent $event) {
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global $user;
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$matches = array();
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if(preg_match("/^(poster|user)[=|:](.*)$/i", $event->term, $matches)) {
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$duser = User::by_name($matches[2]);
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if(!is_null($duser)) {
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$user_id = $duser->id;
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}
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else {
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$user_id = -1;
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}
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$event->add_querylet(new Querylet("images.owner_id = $user_id"));
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}
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else if(preg_match("/^(poster|user)_id[=|:]([0-9]+)$/i", $event->term, $matches)) {
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$user_id = int_escape($matches[2]);
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$event->add_querylet(new Querylet("images.owner_id = $user_id"));
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}
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else if($user->can("view_ip") && preg_match("/^(poster|user)_ip[=|:]([0-9\.]+)$/i", $event->term, $matches)) {
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$user_ip = $matches[2]; // FIXME: ip_escape?
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$event->add_querylet(new Querylet("images.owner_ip = '$user_ip'"));
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}
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}
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// }}}
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// Things done *with* the user {{{
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private function login(Page $page) {
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global $user;
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global $config;
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$name = $_POST['user'];
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$pass = $_POST['pass'];
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$hash = md5(strtolower($name) . $pass);
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if(empty($name) || empty($pass)) {
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$this->theme->display_error(400, "Error", "Username or password left blank");
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return;
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}
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$duser = User::by_name_and_hash($name, $hash);
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if(!is_null($duser)) {
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$user = $duser;
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$this->set_login_cookie($duser->name, $pass);
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log_info("user", "{$user->class->name} logged in");
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$page->set_mode("redirect");
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// Try returning to previous page
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if ($config->get_int("user_loginshowprofile",0) == 0 &&
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isset($_SERVER['HTTP_REFERER']) &&
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strstr($_SERVER['HTTP_REFERER'], "post/"))
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{
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$page->set_redirect($_SERVER['HTTP_REFERER']);
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} else {
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$page->set_redirect(make_link("user"));
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}
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}
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else {
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log_warning("user", "Failed to log in as ".html_escape($name)." [$hash]");
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$this->theme->display_error(401, "Error", "No user with those details was found");
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}
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}
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private function check_user_creation($event) { // FIXME type
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$name = $event->username;
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$pass = $event->password;
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$email = $event->email;
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global $database;
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if(strlen($name) < 1) {
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throw new UserCreationException("Username must be at least 1 character");
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}
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else if(!preg_match('/^[a-zA-Z0-9-_]+$/', $name)) {
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throw new UserCreationException(
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"Username contains invalid characters. Allowed characters are ".
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"letters, numbers, dash, and underscore");
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}
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else if($database->get_row($database->scoreql_to_sql("SELECT * FROM users WHERE SCORE_STRNORM(name) = SCORE_STRNORM(:name)"), array("name"=>$name))) {
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throw new UserCreationException("That username is already taken");
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}
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}
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private function create_user($event) { // FIXME type
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global $database, $user;
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$hash = md5(strtolower($event->username) . $event->password);
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$email = (!empty($event->email)) ? $event->email : null;
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// if there are currently no admins, the new user should be one
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$need_admin = ($database->get_one("SELECT COUNT(*) FROM users WHERE class='admin'") == 0);
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$class = $need_admin ? 'admin' : 'user';
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$database->Execute(
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"INSERT INTO users (name, pass, joindate, email, class) VALUES (:username, :hash, now(), :email, :class)",
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array("username"=>$event->username, "hash"=>$hash, "email"=>$email, "class"=>$class));
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$uid = $database->get_last_insert_id('users_id_seq');
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$user = User::by_name($event->username);
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log_info("user", "Created User #$uid ({$event->username})");
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}
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private function set_login_cookie(/*string*/ $name, /*string*/ $pass) {
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global $config;
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$addr = get_session_ip($config);
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$hash = md5(strtolower($name) . $pass);
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set_prefixed_cookie("user", $name,
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time()+60*60*24*365, '/');
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set_prefixed_cookie("session", md5($hash.$addr),
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time()+60*60*24*$config->get_int('login_memory'), '/');
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}
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//}}}
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// Things done *to* the user {{{
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private function user_can_edit_user(User $a, User $b) {
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if($a->is_anonymous()) {
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$this->theme->display_error(401, "Error", "You aren't logged in");
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}
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if($a->name == $b->name) {
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return true;
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}
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if($b->can("protected")) {
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if($a->class->name == "admin") {
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return true;
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}
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else {
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$this->theme->display_error(401, "Error", "You need to be an admin to change other people's details");
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}
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}
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else {
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if($a->can("edit_user_info")) {
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return true;
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}
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else {
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$this->theme->display_error(401, "Error", "You need to be an admin to change other people's details");
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}
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}
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return false;
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}
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private function redirect_to_user(User $duser) {
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global $page, $user;
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if($user->id == $duser->id) {
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$page->set_mode("redirect");
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$page->set_redirect(make_link("user"));
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}
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else {
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$page->set_mode("redirect");
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$page->set_redirect(make_link("user/{$duser->name}"));
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}
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}
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private function change_password_wrapper(User $duser, $pass1, $pass2) {
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global $user;
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if($this->user_can_edit_user($user, $duser)) {
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if($pass1 != $pass2) {
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$this->theme->display_error(400, "Error", "Passwords don't match");
|
|
}
|
|
else {
|
|
// FIXME: send_event()
|
|
$duser->set_password($pass1);
|
|
|
|
if($duser->id == $user->id) {
|
|
$this->set_login_cookie($duser->name, $pass1);
|
|
}
|
|
|
|
flash_message("Password changed");
|
|
$this->redirect_to_user($duser);
|
|
}
|
|
}
|
|
}
|
|
|
|
private function change_email_wrapper(User $duser, /*string(email)*/ $address) {
|
|
global $user;
|
|
|
|
if($this->user_can_edit_user($user, $duser)) {
|
|
$duser->set_email($address);
|
|
|
|
flash_message("Email changed");
|
|
$this->redirect_to_user($duser);
|
|
}
|
|
}
|
|
|
|
private function change_class_wrapper(User $duser, /*string(class)*/ $class) {
|
|
global $user;
|
|
|
|
if($user->class->name == "admin") {
|
|
$duser = User::by_id($_POST['id']);
|
|
if ( ! $duser instanceof User) {
|
|
throw new NullUserException("Error: the user id does not exist!");
|
|
}
|
|
$duser->set_class($class);
|
|
|
|
flash_message("Class changed");
|
|
$this->redirect_to_user($duser);
|
|
}
|
|
}
|
|
// }}}
|
|
// ips {{{
|
|
private function count_upload_ips(User $duser) {
|
|
global $database;
|
|
$rows = $database->get_pairs("
|
|
SELECT
|
|
owner_ip,
|
|
COUNT(images.id) AS count,
|
|
MAX(posted) AS most_recent
|
|
FROM images
|
|
WHERE owner_id=:id
|
|
GROUP BY owner_ip
|
|
ORDER BY most_recent DESC", array("id"=>$duser->id));
|
|
return $rows;
|
|
}
|
|
private function count_comment_ips(User $duser) {
|
|
global $database;
|
|
$rows = $database->get_pairs("
|
|
SELECT
|
|
owner_ip,
|
|
COUNT(comments.id) AS count,
|
|
MAX(posted) AS most_recent
|
|
FROM comments
|
|
WHERE owner_id=:id
|
|
GROUP BY owner_ip
|
|
ORDER BY most_recent DESC", array("id"=>$duser->id));
|
|
return $rows;
|
|
}
|
|
|
|
private function delete_user(Page $page, /*boolean*/ $with_images=false, /*boolean*/ $with_comments=false) {
|
|
global $user;
|
|
global $config;
|
|
global $database;
|
|
|
|
$page->set_title("Error");
|
|
$page->set_heading("Error");
|
|
$page->add_block(new NavBlock());
|
|
|
|
if (!$user->can("delete_user")) {
|
|
$page->add_block(new Block("Not Admin", "Only admins can delete accounts"));
|
|
}
|
|
else if(!isset($_POST['id']) || !is_numeric($_POST['id'])) {
|
|
$page->add_block(new Block("No ID Specified",
|
|
"You need to specify the account number to edit"));
|
|
}
|
|
else {
|
|
log_warning("user", "Deleting user #{$_POST['id']}");
|
|
|
|
if($with_images) {
|
|
log_warning("user", "Deleting user #{$_POST['id']}'s uploads");
|
|
$rows = $database->get_all("SELECT * FROM images WHERE owner_id = :owner_id", array("owner_id" => $_POST['id']));
|
|
foreach ($rows as $key => $value) {
|
|
$image = Image::by_id($value['id']);
|
|
if($image) {
|
|
send_event(new ImageDeletionEvent($image));
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$database->Execute(
|
|
"UPDATE images SET owner_id = :new_owner_id WHERE owner_id = :old_owner_id",
|
|
array("new_owner_id" => $config->get_int('anon_id'), "old_owner_id" => $_POST['id'])
|
|
);
|
|
}
|
|
|
|
if($with_comments) {
|
|
log_warning("user", "Deleting user #{$_POST['id']}'s comments");
|
|
$database->execute("DELETE FROM comments WHERE owner_id = :owner_id", array("owner_id" => $_POST['id']));
|
|
}
|
|
else {
|
|
$database->Execute(
|
|
"UPDATE comments SET owner_id = :new_owner_id WHERE owner_id = :old_owner_id",
|
|
array("new_owner_id" => $config->get_int('anon_id'), "old_owner_id" => $_POST['id'])
|
|
);
|
|
}
|
|
|
|
send_event(new UserDeletionEvent($_POST['id']));
|
|
|
|
$database->execute(
|
|
"DELETE FROM users WHERE id = :id",
|
|
array("id" => $_POST['id'])
|
|
);
|
|
|
|
$page->set_mode("redirect");
|
|
$page->set_redirect(make_link("post/list"));
|
|
}
|
|
}
|
|
// }}}
|
|
}
|
|
|