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-rw-r--r--actions/finishopenidlogin.php462
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diff --git a/actions/finishopenidlogin.php b/actions/finishopenidlogin.php
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+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+require_once(INSTALLDIR.'/lib/openid.php');
+
+class FinishopenidloginAction extends Action {
+
+ function handle($args) {
+ parent::handle($args);
+ if (common_logged_in()) {
+ common_user_error(_t('Already logged in.'));
+ } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+ if ($this->boolean('create')) {
+ $this->create_new_user();
+ } else if ($this->boolean('connect')) {
+ $this->connect_user();
+ } else {
+ $this->show_form(_t('Something weird happened.'),
+ $this->trimmed('newname'));
+ }
+ } else {
+ $this->try_login();
+ }
+ }
+
+ function show_form($error=NULL, $username=NULL) {
+ common_show_header(_t('OpenID Account Setup'));
+ if ($error) {
+ common_element('div', array('class' => 'error'), $error);
+ } else {
+ global $config;
+ common_element('div', 'instructions',
+ _t('This is the first time you\'ve logged into ') .
+ $config['site']['name'] .
+ _t(' so we must connect your OpenID to a local account. ' .
+ ' You can either create a new account, or connect with ' .
+ ' your existing account, if you have one.'));
+ }
+ common_element_start('form', array('method' => 'POST',
+ 'id' => 'account_connect',
+ 'action' => common_local_url('finishopenidlogin')));
+ common_element('h2', NULL,
+ 'Create new account');
+ common_element('p', NULL,
+ _t('Create a new user with this nickname.'));
+ common_input('newname', _t('New nickname'),
+ ($username) ? $username : '',
+ _t('1-64 lowercase letters or numbers, no punctuation or spaces'));
+ common_submit('create', _t('Create'));
+ common_element('h2', NULL,
+ 'Create new account');
+ common_element('p', NULL,
+ _t('If you already have an account, login with your username and password '.
+ 'to connect it to your OpenID.'));
+ common_input('nickname', _t('Existing nickname'));
+ common_password('password', _t('Password'));
+ common_submit('connect', _t('Connect'));
+ common_element_end('form');
+ common_show_footer();
+ }
+
+ function try_login() {
+
+ $consumer = oid_consumer();
+
+ $response = $consumer->complete(common_local_url('finishopenidlogin'));
+
+ if ($response->status == Auth_OpenID_CANCEL) {
+ $this->message(_t('OpenID authentication cancelled.'));
+ return;
+ } else if ($response->status == Auth_OpenID_FAILURE) {
+ // Authentication failed; display the error message.
+ $this->message(_t('OpenID authentication failed: ') . $response->message);
+ } else if ($response->status == Auth_OpenID_SUCCESS) {
+ // This means the authentication succeeded; extract the
+ // identity URL and Simple Registration data (if it was
+ // returned).
+ $display = $response->getDisplayIdentifier();
+ $canonical = ($response->endpoint->canonicalID) ?
+ $response->endpoint->canonicalID : $response->getDisplayIdentifier();
+
+ $sreg_resp = Auth_OpenID_SRegResponse::fromSuccessResponse($response);
+
+ if ($sreg_resp) {
+ $sreg = $sreg_resp->contents();
+ }
+
+ $user = $this->get_user($canonical);
+
+ if ($user) {
+ $this->update_user($user, $sreg);
+ common_set_user($user->nickname);
+ $this->go_home($user->nickname);
+ } else {
+ $this->save_values($display, $canonical, $sreg);
+ $this->show_form(NULL, $this->best_new_nickname($display, $sreg));
+ }
+ }
+ }
+
+ function message($msg) {
+ common_show_header(_t('OpenID Login'));
+ common_element('p', NULL, $msg);
+ common_show_footer();
+ }
+
+ function get_user($canonical) {
+ $user = NULL;
+ $oid = User_openid::staticGet('canonical', $canonical);
+ if ($oid) {
+ $user = User::staticGet('id', $oid->user_id);
+ }
+ return $user;
+ }
+
+ function update_user($user, $sreg) {
+
+ $profile = $user->getProfile();
+
+ $orig_profile = clone($profile);
+
+ if ($sreg['fullname'] && strlen($sreg['fullname']) <= 255) {
+ $profile->fullname = $sreg['fullname'];
+ }
+
+ if ($sreg['country']) {
+ if ($sreg['postcode']) {
+ # XXX: use postcode to get city and region
+ # XXX: also, store postcode somewhere -- it's valuable!
+ $profile->location = $sreg['postcode'] . ', ' . $sreg['country'];
+ } else {
+ $profile->location = $sreg['country'];
+ }
+ }
+
+ # XXX save language if it's passed
+ # XXX save timezone if it's passed
+
+ if (!$profile->update($orig_profile)) {
+ common_server_error(_t('Error saving the profile.'));
+ return;
+ }
+
+ $orig_user = clone($user);
+
+ if ($sreg['email'] && Validate::email($sreg['email'], true)) {
+ $user->email = $sreg['email'];
+ }
+
+ if (!$user->update($orig_user)) {
+ common_server_error(_t('Error saving the user.'));
+ return;
+ }
+ }
+
+ function save_values($display, $canonical, $sreg) {
+ common_ensure_session();
+ $_SESSION['openid_display'] = $display;
+ $_SESSION['openid_canonical'] = $canonical;
+ $_SESSION['openid_sreg'] = $sreg;
+ }
+
+ function get_saved_values($display, $canonical, $sreg) {
+ common_ensure_session();
+ return array($_SESSION['openid_display'],
+ $_SESSION['openid_canonical'],
+ $_SESSION['openid_sreg']);
+ }
+
+ function create_new_login() {
+
+ $nickname = $this->trimmed('newname');
+
+ if (!Validate::string($nickname, array('min_length' => 1,
+ 'max_length' => 64,
+ 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
+ $this->show_form(_t('Nickname must have only letters and numbers and no spaces.'));
+ return;
+ }
+
+ if (User::staticGet('nickname', $nickname)) {
+ $this->show_form(_t('Nickname already in use. Try another one.'));
+ return;
+ }
+
+ list($display, $canonical, $sreg) = $this->get_saved_values();
+
+ if (!$display || !$canonical) {
+ common_server_error(_t('Stored OpenID not found.'));
+ return;
+ }
+
+ # Possible race condition... let's be paranoid
+
+ $other = $this->get_user($canonical);
+
+ if ($other) {
+ common_server_error(_t('Creating new account for OpenID that already has a user.'));
+ return;
+ }
+
+ $profile = new Profile();
+
+ $profile->nickname = $nickname;
+
+ if ($sreg['fullname'] && strlen($sreg['fullname']) <= 255) {
+ $profile->fullname = $sreg['fullname'];
+ }
+
+ if ($sreg['country']) {
+ if ($sreg['postcode']) {
+ # XXX: use postcode to get city and region
+ # XXX: also, store postcode somewhere -- it's valuable!
+ $profile->location = $sreg['postcode'] . ', ' . $sreg['country'];
+ } else {
+ $profile->location = $sreg['country'];
+ }
+ }
+
+ # XXX save language if it's passed
+ # XXX save timezone if it's passed
+
+ $profile->created = DB_DataObject_Cast::dateTime(); # current time
+
+ $id = $profile->insert();
+ if (!$id) {
+ common_server_error(_t('Error saving the profile.'));
+ return;
+ }
+
+ $user = new User();
+ $user->id = $id;
+ $user->nickname = $nickname;
+ $user->uri = common_mint_tag('user:'.$id);
+
+ if ($sreg['email'] && Validate::email($sreg['email'], true)) {
+ $user->email = $sreg['email'];
+ }
+
+ $user->created = DB_DataObject_Cast::dateTime(); # current time
+
+ $result = $user->insert();
+
+ if (!$result) {
+ # Try to clean up...
+ $profile->delete();
+ }
+
+ $oid = new User_openid();
+ $oid->display = $display;
+ $oid->canonical = $canonical;
+ $oid->user_id = $id;
+ $oid->created = DB_DataObject_Cast::dateTime();
+
+ $result = $oid->insert();
+
+ if (!$result) {
+ # Try to clean up...
+ $user->delete();
+ $profile->delete();
+ }
+
+ common_redirect(common_local_url('profilesettings'));
+ }
+
+ function connect_user() {
+
+ $nickname = $this->trimmed('nickname');
+ $password = $this->trimmed('password');
+
+ if (!common_check_user($nickname, $password)) {
+ $this->show_form(_t('Invalid username or password.'));
+ return;
+ }
+
+ # They're legit!
+
+ $user = User::staticGet('nickname', $nickname);
+
+ list($display, $canonical, $sreg) = $this->get_saved_values();
+
+ if (!$display || !$canonical) {
+ common_server_error(_t('Stored OpenID not found.'));
+ return;
+ }
+
+ $oid = new User_openid();
+ $oid->display = $display;
+ $oid->canonical = $canonical;
+ $oid->user_id = $user->id;
+ $oid->created = DB_DataObject_Cast::dateTime();
+
+ if (!$oid->insert()) {
+ common_server_error(_t('Error connecting OpenID.'));
+ return;
+ }
+
+ $this->update_user($user, $sreg);
+ common_set_user($user->nickname);
+ $this->go_home($user->nickname);
+ }
+
+ function go_home($nickname) {
+ $url = common_get_returnto();
+ if ($url) {
+ # We don't have to return to it again
+ common_set_returnto(NULL);
+ } else {
+ $url = common_local_url('all',
+ array('nickname' =>
+ $nickname));
+ }
+ common_redirect($url);
+ }
+
+ function best_new_nickname($display, $sreg) {
+
+ # Try the passed-in nickname
+
+ if ($sreg['nickname'] && $this->is_new_nickname($sreg['nickname'])) {
+ return $sreg['nickname'];
+ }
+
+ # Try the full name
+
+ if ($sreg['fullname']) {
+ $fullname = $this->nicknamize($sreg['fullname']);
+ if ($this->is_new_nickname($fullname)) {
+ return $fullname;
+ }
+ }
+
+ # Try the URL
+
+ $from_url = $this->openid_to_nickname($display);
+
+ if ($from_url && $this->is_new_nickname($from_url)) {
+ return $from_url;
+ }
+
+ # XXX: others?
+
+ return NULL;
+ }
+
+ function is_new_nickname($str) {
+ if (!Validate::string($str, array('min_length' => 1,
+ 'max_length' => 64,
+ 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
+ return false;
+ }
+ if (User::staticGet('nickname', $str)) {
+ return false;
+ }
+ return true;
+ }
+
+ function openid_to_nickname($openid) {
+ if (Auth_Yadis_identifierScheme($openid) == 'XRI') {
+ return $this->xri_to_nickname($openid);
+ } else {
+ return $this->url_to_nickname($openid);
+ }
+ }
+
+ # We try to use an OpenID URL as a legal Laconica user name in this order
+ # 1. Plain hostname, like http://evanp.myopenid.com/
+ # 2. One element in path, like http://profile.typekey.com/EvanProdromou/
+ # or http://getopenid.com/evanprodromou
+
+ function url_to_nickname($openid) {
+ static $bad = array('query', 'user', 'password', 'port', 'fragment');
+
+ $parts = parse_url($openid);
+
+ # If any of these parts exist, this won't work
+
+ foreach ($bad as $badpart) {
+ if (array_key_exists($badpart, $parts)) {
+ return NULL;
+ }
+ }
+
+ # We just have host and/or path
+
+ # If it's just a host...
+ if (array_key_exists('host', $parts) &&
+ (!array_key_exists('path', $parts) || strcmp($parts['path'], '/') == 0))
+ {
+ $hostparts = explode('.', $parts['host']);
+
+ # Try to catch common idiom of nickname.service.tld
+
+ if ((count($hostparts) > 2) &&
+ (strlen($hostparts[count($hostparts) - 2]) > 3) && # try to skip .co.uk, .com.au
+ (strcmp($hostparts[0], 'www') != 0))
+ {
+ return $this->nicknamize($hostparts[0]);
+ } else {
+ # Do the whole hostname
+ return $this->nicknamize($parts['host']);
+ }
+ } else {
+ if (array_key_exists('path', $parts)) {
+ # Strip starting, ending slashes
+ $path = preg_replace('@/$@', '', $parts['path']);
+ $path = preg_replace('@^/@', '', $path);
+ if (strpos($path, '/') === false) {
+ return $this->nicknamize($path);
+ }
+ }
+ }
+
+ return NULL;
+ }
+
+ function xri_to_nickname($xri) {
+ $base = $this->xri_base($xri);
+
+ if (!$base) {
+ return NULL;
+ } else {
+ # =evan.prodromou
+ # or @gratis*evan.prodromou
+ $parts = explode('*', substr($base, 1));
+ return $this->nicknamize(array_pop($parts));
+ }
+ }
+
+ function xri_base($xri) {
+ if (substr($xri, 0, 6) == 'xri://') {
+ return substr($xri, 6);
+ } else {
+ return $xri;
+ }
+ }
+
+ # Given a string, try to make it work as a nickname
+
+ function nicknamize($str) {
+ $str = preg_replace('/\W/', '', $str);
+ return strtolower($str);
+ }
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-29 03:23:10 +0000