Merge CodeIgniter 3 support

1 files changed, 705 insertions, 0 deletions

diff --git a/application/controllers/User.php b/application/controllers/User.php
new file mode 100644
index 000000000..892bbe1b6
--- /dev/null
+++ b/application/controllers/User.php
@@ -0,0 +1,705 @@
+<?php
+/*
+ * Copyright 2012-2013 Florian "Bluewind" Pritz <bluewind@server-speed.net>
+ *
+ * Licensed under AGPLv3
+ * (see COPYING for full license text)
+ *
+ */
+
+class User extends MY_Controller {
+
+	function __construct()
+	{
+		parent::__construct();
+	}
+
+	function index()
+	{
+		if (is_cli()) {
+			$this->load->library("../controllers/tools");
+			return $this->tools->index();
+		}
+
+		$this->data["username"] = $this->muser->get_username();
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/index', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	function test_login()
+	{
+		$username = $this->input->post('username');
+		$password = $this->input->post('password');
+
+		if ($this->muser->login($username, $password)) {
+			$this->output->set_status_header(204);
+		} else {
+			$this->output->set_status_header(403);
+		}
+	}
+
+	function login()
+	{
+		$redirect_uri = $this->input->get("redirect_uri");
+		$this->muser->require_session();
+
+		if (!preg_match('/^[0-9a-zA-Z\/_-]*$/', $redirect_uri)) {
+			$redirect_uri = '/';
+		}
+
+		if ($this->muser->logged_in()) {
+			redirect($redirect_uri);
+		}
+
+		$this->data['redirect_uri'] = $redirect_uri;
+
+		if ($this->input->post('process') !== null) {
+			$username = $this->input->post('username');
+			$password = $this->input->post('password');
+
+			$result = $this->muser->login($username, $password);
+
+			if ($result !== true) {
+				$this->data['login_error'] = true;
+				$this->load->view('header', $this->data);
+				$this->load->view('user/login', $this->data);
+				$this->load->view('footer', $this->data);
+			} else {
+				redirect($redirect_uri);
+			}
+		} else {
+			$this->load->view('header', $this->data);
+			$this->load->view('user/login', $this->data);
+			$this->load->view('footer', $this->data);
+		}
+	}
+
+	function create_apikey()
+	{
+		$this->muser->require_access();
+
+		$userid = $this->muser->get_userid();
+		$comment = $this->input->post("comment");
+		$comment = $comment === null ? "" : $comment;
+		$access_level = $this->input->post("access_level");
+
+		if ($access_level === null) {
+			$access_level = "apikey";
+		}
+
+		$key = \service\user::create_apikey($userid, $comment, $access_level);
+
+		redirect("user/apikeys");
+	}
+
+	function delete_apikey()
+	{
+		$this->muser->require_access();
+
+		$userid = $this->muser->get_userid();
+		$key = $this->input->post("key");
+
+		$this->db->where('user', $userid)
+			->where('key', $key)
+			->delete('apikeys');
+
+		redirect("user/apikeys");
+	}
+
+	function apikeys()
+	{
+		$this->muser->require_access();
+
+		$userid = $this->muser->get_userid();
+		$apikeys = \service\user::apikeys($userid);
+		$this->data["query"] = $apikeys["apikeys"];
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/apikeys', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	function create_invitation_key()
+	{
+		$this->duser->require_implemented("can_register_new_users");
+		$this->muser->require_access();
+
+		$userid = $this->muser->get_userid();
+
+		$invitations = $this->db->select('user')
+			->from('actions')
+			->where('user', $userid)
+			->where('action', 'invitation')
+			->count_all_results();
+
+		if ($invitations + 1 > $this->config->item('max_invitation_keys')) {
+			throw new \exceptions\PublicApiException("user/invitation-limit", "You can't create more invitation keys at this time.");
+		}
+
+		$key = random_alphanum(12, 16);
+
+		$this->db->set(array(
+				'key'    => $key,
+				'user'   => $userid,
+				'date'   => time(),
+				'action' => 'invitation'
+			))
+			->insert('actions');
+
+		redirect("user/invite");
+	}
+
+	function invite()
+	{
+		$this->duser->require_implemented("can_register_new_users");
+		$this->muser->require_access();
+
+		$userid = $this->muser->get_userid();
+
+		$query = $this->db->select('key, date')
+			->from('actions')
+			->where('user', $userid)
+			->where('action', 'invitation')
+			->get()->result_array();
+
+		$this->data["query"] = $query;
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/invite', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	function register()
+	{
+		$this->duser->require_implemented("can_register_new_users");
+		$key = $this->uri->segment(3);
+		$process = $this->input->post("process");
+		$values = array(
+			"username" => "",
+			"email" => ""
+		);
+		$error = array();
+
+		$query = $this->muser->get_action("invitation", $key);
+
+		$referrer = $query["user"];
+
+		$this->data['redirect_uri'] = "/";
+
+		if ($process !== null) {
+			$username = $this->input->post("username");
+			$email = $this->input->post("email");
+			$password = $this->input->post("password");
+			$password_confirm = $this->input->post("password_confirm");
+
+			if (!$this->muser->valid_username($username)) {
+				$error[]= "Invalid username (only up to 32 chars of a-z0-9 are allowed).";
+			} else {
+				if ($this->muser->username_exists($username)) {
+					$error[] = "Username already exists.";
+				}
+			}
+
+			if (!$this->muser->valid_email($email)) {
+				$error[]= "Invalid email.";
+			}
+
+			if (!$password || $password !== $password_confirm) {
+				$error[]= "No password or passwords don't match.";
+			}
+
+			if (empty($error)) {
+				$this->muser->add_user($username, $password, $email, $referrer);
+
+				$this->db->where('key', $key)
+					->delete('actions');
+
+				$this->load->view('header', $this->data);
+				$this->load->view('user/registered', $this->data);
+				$this->load->view('footer', $this->data);
+				return;
+			} else {
+				$values["username"] = $username;
+				$values["email"] = $email;
+			}
+		}
+
+		$this->data["key"] = $key;
+		$this->data["values"] = $values;
+		$this->data["error"] = $error;
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/register', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	public function delete_account()
+	{
+		$this->muser->require_access();
+		$this->duser->require_implemented("can_delete_account");
+
+		if ($_SERVER["REQUEST_METHOD"] == "GET") {
+			return $this->_delete_account_form();
+		} elseif ($_SERVER["REQUEST_METHOD"] == "POST") {
+			return $this->_delete_account_process();
+		}
+	}
+
+	public function _delete_account_form()
+	{
+		$this->data['username'] = $this->muser->get_username();
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/delete_account_form', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	public function _delete_account_process()
+	{
+		$username = $this->muser->get_username();
+		$password = $this->input->post("password");
+
+		$useremail = $this->muser->get_email($this->muser->get_userid());
+
+		if ($this->muser->delete_user($username, $password)) {
+			$this->muser->logout();
+
+			$this->load->library("email");
+			$this->email->from($this->config->item("email_from"));
+			$this->email->to($useremail);
+			$this->email->subject("FileBin account deleted");
+			$this->email->message(""
+				."Your FileBin account '${username}' at ".site_url()."\n"
+				."has been permemently deleted.\n"
+				."\n"
+				."The request has been sent from the IP address '${_SERVER["REMOTE_ADDR"]}'\n"
+				."and was confirmed with your password.\n"
+				."\n"
+				."Thank you for using FileBin!\n"
+				);
+			$this->email->send();
+			unset($this->data['username']);
+			unset($this->data['user_logged_in']);
+
+			$this->load->view('header', $this->data);
+			$this->load->view('user/delete_account_success', $this->data);
+			$this->load->view('footer', $this->data);
+			return;
+		} else {
+			$this->data['alerts'][] = array(
+				"type" => "danger",
+				"message" => "Your password was incorrect",
+			);
+			return $this->_delete_account_form();
+		}
+	}
+
+	// This routes the different steps of a password reset
+	function reset_password()
+	{
+		$this->duser->require_implemented("can_reset_password");
+		$key = $this->uri->segment(3);
+
+		if ($_SERVER["REQUEST_METHOD"] == "GET" && $key === null) {
+			return $this->_reset_password_username_form();
+		}
+
+		if ($key === null) {
+			return $this->_reset_password_send_mail();
+		}
+
+		if ($key !== null) {
+			return $this->_reset_password_form();
+		}
+	}
+
+	// This simply queries the username
+	function _reset_password_username_form()
+	{
+		$this->data['username'] = $this->muser->get_username();
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/reset_password_username_form', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	// This sends a mail to the user containing the reset link
+	function _reset_password_send_mail()
+	{
+		$key = random_alphanum(12, 16);
+		$username = $this->input->post("username");
+
+		if (!$this->muser->username_exists($username)) {
+			throw new \exceptions\PublicApiException("user/reset_password/invalid-username", "Invalid username");
+		}
+
+		$userinfo = $this->db->select('id, email, username')
+			->from('users')
+			->where('username', $username)
+			->get()->row_array();
+
+		$this->load->library("email");
+
+		$this->db->set(array(
+				'key'    => $key,
+				'user'   => $userinfo['id'],
+				'date'   => time(),
+				'action' => 'passwordreset'
+			))
+			->insert('actions');
+
+		$this->email->from($this->config->item("email_from"));
+		$this->email->to($userinfo["email"]);
+		$this->email->subject("FileBin password reset");
+		$this->email->message(""
+			."Someone requested a password reset for the account '${userinfo["username"]}'\n"
+			."from the IP address '${_SERVER["REMOTE_ADDR"]}'.\n"
+			."\n"
+			."Please follow this link to reset your password:\n"
+			.site_url("user/reset_password/$key")
+			);
+		$this->email->send();
+
+		// don't disclose full email addresses
+		$this->data["email_domain"] = substr($userinfo["email"], strpos($userinfo["email"], "@") + 1);
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/reset_password_link_sent', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	// This displays a form and handles the reset if the form has been filled out correctly
+	function _reset_password_form()
+	{
+		$process = $this->input->post("process");
+		$key = $this->uri->segment(3);
+		$error = array();
+
+		$query = $this->muser->get_action("passwordreset", $key);
+
+		$userid = $query["user"];
+
+		if ($process !== null) {
+			$password = $this->input->post("password");
+			$password_confirm = $this->input->post("password_confirm");
+
+			if (!$password || $password !== $password_confirm) {
+				$error[]= "No password or passwords don't match.";
+			}
+
+			if (empty($error)) {
+				$this->muser->set_password($userid, $password);
+
+				$this->db->where('key', $key)
+					->delete('actions');
+
+				$this->load->view('header', $this->data);
+				$this->load->view('user/reset_password_success', $this->data);
+				$this->load->view('footer', $this->data);
+				return;
+			}
+		}
+
+		$this->data["key"] = $key;
+		$this->data["error"] = $error;
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/reset_password_form', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	public function change_email()
+	{
+		$this->duser->require_implemented("can_change_email");
+		$key = $this->uri->segment(3);
+		$action = $this->uri->segment(4);
+
+		$alerts = array();
+
+		$query = $this->muser->get_action("change_email", $key);
+
+		$userid = $query["user"];
+		$data = json_decode($query['data'], true);
+
+		switch ($action) {
+		case 'confirm':
+			$this->db->where('id', $userid)
+				->update('users', array(
+					"email" => $data['new_email'],
+				));
+			$alerts[] = array(
+				"type" => "success",
+				"message" => "Your email address has been updated",
+			);
+			break;
+		case 'reject':
+			$this->db->where('id', $userid)
+				->update('users', array(
+					"email" => $data['old_email'],
+				));
+			foreach ($data['keys'] as $k) {
+				$this->db->where('key', $k)
+					->delete('actions');
+			}
+			$alerts[] = array(
+				"type" => "success",
+				"message" => "Your email change request has been canceled and/or your old email address has been restored",
+			);
+			break;
+		default:
+			assert(false);
+			break;
+		}
+
+		$this->data["alerts"] = $alerts;
+
+		return $this->profile();
+	}
+
+	function profile()
+	{
+		$this->muser->require_access();
+
+		if ($this->input->post("process") !== null) {
+			$this->_save_profile();
+		}
+
+		$this->data["profile_data"] = $this->muser->get_profile_data();
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/profile', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	private function _save_profile()
+	{
+		$this->muser->require_access();
+
+		$old = $this->muser->get_profile_data();
+
+		/*
+		 * Key = name of the form field
+		 * Value = function that sanatizes the value and returns it
+		 * TODO: some kind of error handling that doesn't loose correctly filled out fields
+		 */
+		$value_processor = array();
+		$alerts = array();
+
+		$value_processor["upload_id_limits"] = function($value) {
+			$values = explode("-", $value);
+
+			if (!is_array($values) || count($values) != 2) {
+				throw new \exceptions\PublicApiException("user/profile/invalid-upload-id-limit", "Invalid upload id limit value");
+			}
+
+			$lower = intval($values[0]);
+			$upper = intval($values[1]);
+
+			if ($lower > $upper) {
+				throw new \exceptions\PublicApiException("user/profile/lower-bigger-than-upper", "lower limit > upper limit");
+			}
+
+			if ($lower < 3 || $upper > 64) {
+				throw new \exceptions\PublicApiException("user/profile/limit-out-of-bounds", "upper or lower limit out of bounds (3-64)");
+			}
+
+			return $lower."-".$upper;
+		};
+
+		$value_processor["email"] = function($value) use ($old, &$alerts) {
+			if (!$this->duser->is_implemented("can_change_email")) {
+				return null;
+			}
+
+			if ($value === $old["email"]) {
+				return null;
+			}
+
+			if (!$this->muser->valid_email($value)) {
+				throw new \exceptions\PublicApiException("user/profile/invalid-email", "Invalid email");
+			}
+
+			$this->load->library("email");
+			$keys = array(
+				"old" => random_alphanum(12,16),
+				"new" => random_alphanum(12,16),
+			);
+			$emails = array(
+				array(
+					"key" => $keys['old'],
+					"email" => $old['email'],
+					"user" => $this->muser->get_userid(),
+				),
+				array(
+					"key" => $keys['new'],
+					"email" => $value,
+					"user" => $this->muser->get_userid(),
+				),
+			);
+
+			foreach ($emails as $email) {
+				$key = $email['key'];
+
+				$this->db->set(array(
+						'key'    => $key,
+						'user'   => $this->muser->get_userid(),
+						'date'   => time(),
+						'action' => 'change_email',
+						'data'   => json_encode(array(
+							'old_email' => $old['email'],
+							'new_email' => $value,
+							'keys' => $keys,
+						)),
+					))
+					->insert('actions');
+
+				$this->email->from($this->config->item("email_from"));
+				$this->email->to($email['email']);
+				$this->email->subject("FileBin email change confirmation");
+				$this->email->message(""
+					."A request has been sent to change the email address of account '${old["username"]}'\n"
+					."from ".$old['email']." to $value.\n"
+					."\n"
+					."Please follow this link to CONFIRM the change:\n"
+					.site_url("user/change_email/$key/confirm")."\n\n"
+					."Please follow this link to REJECT the change:\n"
+					.site_url("user/change_email/$key/reject")."\n\n"
+					);
+				$this->email->send();
+				$this->email->clear();
+			}
+
+			$alerts[] = array(
+				"type" => "info",
+				"message" => "Reset and confirmation emails have been sent to your new and old address. Until your new address is confirmed the old one will be displayed and used.",
+			);
+
+			return null;
+		};
+
+
+		$data = array();
+		foreach (array_keys($value_processor) as $field) {
+			$value = $this->input->post($field);
+
+			if ($value !== null) {
+				$new_value = $value_processor[$field]($value);
+				if ($new_value !== null) {
+					$data[$field] = $new_value;
+				}
+			}
+		}
+
+		if (!empty($data)) {
+			$this->muser->update_profile($data);
+		}
+
+		$alerts[] = array(
+			"type" => "success",
+			"message" => "Changes saved",
+		);
+		$this->data["alerts"] = $alerts;
+
+		return true;
+	}
+
+	function logout()
+	{
+		$this->muser->logout();
+		redirect('/');
+	}
+
+	function hash_password()
+	{
+		$process = $this->input->post("process");
+		$password = $this->input->post("password");
+		$password_confirm = $this->input->post("password_confirm");
+		$this->data["hash"] = false;
+		$this->data["password"] = $password;
+
+		if ($process !== null) {
+			if (!$password || $password !== $password_confirm) {
+				$error[]= "No password or passwords don't match.";
+			} else {
+				$this->data["hash"] = $this->muser->hash_password($password);
+			}
+		}
+
+		$this->load->view('header', $this->data);
+		$this->load->view('user/hash_password', $this->data);
+		$this->load->view('footer', $this->data);
+	}
+
+	function cron()
+	{
+		$this->_require_cli_request();
+
+		if ($this->config->item('actions_max_age') == 0) return;
+
+		$oldest_time = (time() - $this->config->item('actions_max_age'));
+
+		$this->db->where('date <', $oldest_time)
+			->delete('actions');
+	}
+
+	private function _get_line_cli($message, $verification_func = NULL)
+	{
+		echo "$message: ";
+
+		while ($line = fgets(STDIN)) {
+			$line = trim($line);
+			if ($verification_func === NULL) {
+				return $line;
+			}
+
+			if ($verification_func($line)) {
+				return $line;
+			} else {
+				echo "$message: ";
+			}
+		}
+	}
+
+	function add_user()
+	{
+		$this->_require_cli_request();
+		$this->duser->require_implemented("can_register_new_users");
+
+		$error = array();
+
+		$username = $this->_get_line_cli("Username", function($username) {
+			if (!$this->muser->valid_username($username)) {
+				echo "Invalid username (only up to 32 chars of a-z0-9 are allowed).\n";
+				return false;
+			} else {
+				if (get_instance()->muser->username_exists($username)) {
+					echo "Username already exists.\n";
+					return false;
+				}
+			}
+			return true;
+		});
+
+		$email = $this->_get_line_cli("Email", function($email) {
+			if (!$this->muser->valid_email($email)) {
+				echo "Invalid email.\n";
+				return false;
+			}
+			return true;
+		});
+
+		$password = $this->_get_line_cli("Password", function($password) {
+			if (!$password || $password === "") {
+				echo "No password supplied.\n";
+				return false;
+			}
+			return true;
+		});
+
+		$this->muser->add_user($username, $password, $email, NULL);
+
+		echo "User added\n";
+	}
+}