397 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			397 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| class UserBlockBuildingEvent extends Event {
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| 	var $parts = array();
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| 
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| 	public function add_link($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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| 
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| class UserPageBuildingEvent extends Event {
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| 	var $display_user;
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| 
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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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| }
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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 $email;
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| 
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| 	public function __construct($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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| 
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| class UserCreationException extends SCoreException {}
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| 
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| class UserPage extends SimpleExtension {
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| 	var $theme;
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| 
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| 	public function onInitExt(Event $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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| 	}
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| 
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| 	public function onPageRequest(Event $event) {
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| 		global $config, $database, $page, $user;
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| 
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| 		// user info is shown on all pages
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| 		if($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, $ubbe->parts);
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| 		}
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| 
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| 		if($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($event->get_arg(0) == "logout") {
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| 				setcookie("shm_session", "", time()+60*60*24*$config->get_int('login_memory'), "/");
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| 				log_info("user", "Logged out");
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| 				$page->set_mode("redirect");
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| 				$page->set_redirect(make_link());
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| 			}
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| 			else if($event->get_arg(0) == "change_pass") {
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| 				$this->change_password_wrapper($page);
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| 			}
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| 			else if($event->get_arg(0) == "change_email") {
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| 				$this->change_email_wrapper($page);
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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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| 					$this->theme->display_error($page, "Error", "There's no user with that name");
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| 				}
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| 				if(is_null($user->email)) {
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| 					//
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| 				}
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| 			}
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| 			else if($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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| 					$this->theme->display_error($page, "Password Mismatch", "Passwords don't match");
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| 				}
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| 				else {
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| 					try {
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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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| 						$this->theme->display_error($page, "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) == "set_more") {
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| 				$this->set_more_wrapper($page);
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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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| 
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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), $user);
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| 			}
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| 		}
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| 
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| 		if(($event instanceof PageRequestEvent) && $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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| 				$this->theme->display_error($page, "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($display_user)) {
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| 				send_event(new UserPageBuildingEvent($display_user));
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| 			}
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| 			else {
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| 				$this->theme->display_error($page, "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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| 
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| 	public function onUserPageBuilding(Event $event) {
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| 		global $page, $user, $config;
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| 		$this->theme->display_user_page($page, $event->display_user, $user);
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| 		if($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, $ubbe->parts);
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| 		}
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| 		if(($user->is_admin() || $user->id == $event->display_user->id) && ($user->id != $config->get_int('anon_id'))) {
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| 			$this->theme->display_ip_list($page, $this->count_upload_ips($event->display_user), $this->count_comment_ips($event->display_user));
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| 		}
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| 	}
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| 
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| 	public function onSetupBuilding(Event $event) {
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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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| 		$event->panel->add_block($sb);
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| 	}
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| 
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| 	public function onUserBlockBuilding(Event $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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| 
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| 	public function onUserCreation(Event $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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| 
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| 	public function onSearchTermParse(Event $event) {
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| 		$matches = array();
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| 		if(preg_match("/^(poster|user)=(.*)$/i", $event->term, $matches)) {
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| 			$user = User::by_name($matches[2]);
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| 			if(!is_null($user)) {
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| 				$user_id = $user->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 = $user_id"));
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| 		}
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| 	}
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| // }}}
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| // Things done *with* the user {{{
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| 	private function login($page)  {
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| 		global $user;
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| 
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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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| 
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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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| 			$this->set_login_cookie($name, $pass);
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| 			log_info("user", "Logged in");
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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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| 			$this->theme->display_error($page, "Error", "No user with those details was found");
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| 		}
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| 	}
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| 
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| 	private function check_user_creation($event) {
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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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| 
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| 		global $database;
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| 
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| 		if(strlen($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->db->GetRow("SELECT * FROM users WHERE name = ?", array($name))) {
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| 			throw new UserCreationException("That username is already taken");
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| 		}
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| 	}
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| 
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| 	private function create_user($event) {
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| 		global $database;
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| 
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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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| 
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| 		// if there are currently no admins, the new user should be one
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| 		$need_admin = ($database->db->GetOne("SELECT COUNT(*) FROM users WHERE admin IN ('Y', 't', '1')") == 0);
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| 		$admin = $need_admin ? 'Y' : 'N';
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| 
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| 		$database->Execute(
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| 				"INSERT INTO users (name, pass, joindate, email, admin) VALUES (?, ?, now(), ?, ?)",
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| 				array($event->username, $hash, $email, $admin));
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| 		$uid = $database->db->Insert_ID();
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| 		log_info("user", "Created User #$uid ({$event->username})");
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| 	}
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| 
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| 	private function set_login_cookie($name, $pass) {
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| 		global $config;
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| 
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| 		$addr = get_session_ip($config);
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| 		$hash = md5(strtolower($name) . $pass);
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| 
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| 		setcookie("shm_user", $name,
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| 				time()+60*60*24*365, '/');
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| 		setcookie("shm_session", md5($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 change_password_wrapper($page) {
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| 		global $user;
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| 		global $config;
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| 		global $database;
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| 
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| 		if($user->is_anonymous()) {
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| 			$this->theme->display_error($page, "Error", "You aren't logged in");
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| 		}
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| 		else if(isset($_POST['id']) && isset($_POST['pass1']) && isset($_POST['pass2'])) {
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| 			$id = $_POST['id'];
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| 			$pass1 = $_POST['pass1'];
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| 			$pass2 = $_POST['pass2'];
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| 
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| 			$duser = User::by_id($id);
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| 
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| 			if((!$user->is_admin()) && ($duser->name != $user->name)) {
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| 				$this->theme->display_error($page, "Error",
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| 						"You need to be an admin to change other people's passwords");
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| 			}
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| 			else if($pass1 != $pass2) {
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| 				$this->theme->display_error($page, "Error", "Passwords don't match");
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| 			}
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| 			else {
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| 				// FIXME: send_event()
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| 				$duser->set_password($pass1);
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| 
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| 				if($id == $user->id) {
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| 					$this->set_login_cookie($duser->name, $pass1);
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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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| 		}
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| 	}
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| 
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| 	private function change_email_wrapper($page) {
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| 		global $user;
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| 		global $config;
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| 		global $database;
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| 
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| 		if($user->is_anonymous()) {
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| 			$this->theme->display_error($page, "Error", "You aren't logged in");
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| 		}
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| 		else if(isset($_POST['id']) && isset($_POST['address'])) {
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| 			$id = $_POST['id'];
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| 			$address = $_POST['address'];
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| 
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| 			$duser = User::by_id($id);
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| 
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| 			if((!$user->is_admin()) && ($duser->name != $user->name)) {
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| 				$this->theme->display_error($page, "Error",
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| 						"You need to be an admin to change other people's addressess");
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| 			}
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| 			else {
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| 				$duser->set_email($address);
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| 
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| 				if($id == $user->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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| 		}
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| 	}
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| 
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| 	private function set_more_wrapper($page) {
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| 		global $user;
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| 		global $config;
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| 		global $database;
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| 
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| 		$page->set_title("Error");
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| 		$page->set_heading("Error");
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| 		$page->add_block(new NavBlock());
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| 		if(!$user->is_admin()) {
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| 			$page->add_block(new Block("Not Admin", "Only admins can edit accounts"));
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| 		}
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| 		else if(!isset($_POST['id']) || !is_numeric($_POST['id'])) {
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| 			$page->add_block(new Block("No ID Specified",
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| 					"You need to specify the account number to edit"));
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| 		}
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| 		else {
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| 			$admin = (isset($_POST['admin']) && ($_POST['admin'] == "on"));
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| 
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| 			$duser = User::by_id($_POST['id']);
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| 			$duser->set_admin($admin);
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| 
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| 			$page->set_mode("redirect");
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| 			if($duser->id == $user->id) {
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| 				$page->set_redirect(make_link("user"));
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| 			}
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| 			else {
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| 				$page->set_redirect(make_link("user/{$duser->name}"));
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| 			}
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| 		}
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| 	}
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| // }}}
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| // ips {{{
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| 	private function count_upload_ips($duser) {
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| 		global $database;
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| 		$rows = $database->db->GetAssoc("
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| 				SELECT
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| 					owner_ip,
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| 					COUNT(images.id) AS count,
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| 					MAX(posted) AS most_recent
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| 				FROM images
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| 				WHERE owner_id=?
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| 				GROUP BY owner_ip
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| 				ORDER BY most_recent DESC", array($duser->id), false, true);
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| 		return $rows;
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| 	}
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| 	private function count_comment_ips($duser) {
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| 		global $database;
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| 		$rows = $database->db->GetAssoc("
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| 				SELECT
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| 					owner_ip,
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| 					COUNT(comments.id) AS count,
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| 					MAX(posted) AS most_recent
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| 				FROM comments
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| 				WHERE owner_id=?
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| 				GROUP BY owner_ip
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| 				ORDER BY most_recent DESC", array($duser->id), false, true);
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| 		return $rows;
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| 	}
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| // }}}
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| }
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| add_event_listener(new UserPage());
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| ?>
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