<?php
/*
* Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+ * Copyright (C) 2008, 2009, Control Yourself, 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
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->arg('create')) {
- if (!$this->boolean('license')) {
- $this->show_form(_t('You can\'t register if you don\'t agree to the license.'),
- $this->trimmed('newname'));
- return;
- }
- $this->create_new_user();
- } else if ($this->arg('connect')) {
- $this->connect_user();
- } else {
- common_debug(print_r($this->args, true), __FILE__);
- $this->show_form(_t('Something weird happened.'),
- $this->trimmed('newname'));
- }
- } else {
- $this->try_login();
- }
- }
-
- function show_top($error=NULL) {
- 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 ') .
- $config['site']['name'] .
- _t(' so we must connect your OpenID to a local account. ' .
- ' You can either create a new account, or connect with ' .
- ' your existing account, if you have one.'));
- }
- }
-
- function show_form($error=NULL, $username=NULL) {
- common_show_header(_t('OpenID Account Setup'), NULL, $error,
- array($this, 'show_top'));
-
- 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_element_start('p');
- common_element('input', array('type' => 'checkbox',
- 'id' => 'license',
- 'name' => 'license',
- 'value' => 'true'));
- common_text(_t('My text and files are available under '));
- common_element('a', array(href => common_config('license', 'url')),
- common_config('license', 'title'));
- common_text(_t(' except this private data: password, email address, IM address, phone number.'));
- common_element_end('p');
- common_submit('create', _t('Create'));
- common_element('h2', NULL,
- 'Connect existing 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();
- }
-
- $user = oid_get_user($canonical);
-
- if ($user) {
- oid_set_last($display);
- oid_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, $msg);
- common_show_footer();
- }
-
- function save_values($display, $canonical, $sreg) {
- common_ensure_session();
- $_SESSION['openid_display'] = $display;
- $_SESSION['openid_canonical'] = $canonical;
- $_SESSION['openid_sreg'] = $sreg;
- }
-
- function get_saved_values() {
- return array($_SESSION['openid_display'],
- $_SESSION['openid_canonical'],
- $_SESSION['openid_sreg']);
- }
-
- function create_new_user() {
-
- $nickname = $this->trimmed('newname');
-
- if (!Validate::string($nickname, array('min_length' => 1,
- 'max_length' => 64,
- 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
- $this->show_form(_t('Nickname must have only letters and numbers and no spaces.'));
- return;
- }
-
- if (!User::allowed_nickname($nickname)) {
- $this->show_form(_t('Nickname not allowed.'));
- 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
-
- $other = oid_get_user($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
-
- $profile->profileurl = common_profile_url($nickname);
-
- $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;
- $user->uri = common_user_uri($user);
-
- 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();
- }
-
- $result = oid_link_user($user->id, $canonical, $display);
-
- if (!$result) {
- # Try to clean up...
- $user->delete();
- $profile->delete();
- }
-
- oid_set_last($display);
- common_set_user($user->nickname);
- common_redirect(common_local_url('showstream', array('nickname' => $user->nickname)));
- }
-
- 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;
- }
-
- $result = oid_link_user($user->id, $canonical, $display);
-
- if (!$result) {
- common_server_error(_t('Error connecting user to OpenID.'));
- return;
- }
-
- oid_update_user($user, $sreg);
- oid_set_last($display);
- 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']) {
- $nickname = $this->nicknamize($sreg['nickname']);
- if ($this->is_new_nickname($nickname)) {
- return $nickname;
- }
- }
-
- # Try the full name
-
- if ($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($str, array('min_length' => 1,
- 'max_length' => 64,
- 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
- return false;
- }
- if (!User::allowed_nickname($str)) {
- return false;
- }
- if (User::staticGet('nickname', $str)) {
- return false;
- }
- return true;
- }
-
- function openid_to_nickname($openid) {
+class FinishopenidloginAction extends Action
+{
+ var $error = null;
+ var $username = null;
+ var $message = null;
+
+ function handle($args)
+ {
+ parent::handle($args);
+ if (common_is_real_login()) {
+ $this->clientError(_('Already logged in.'));
+ } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+ $token = $this->trimmed('token');
+ if (!$token || $token != common_session_token()) {
+ $this->showForm(_('There was a problem with your session token. Try again, please.'));
+ return;
+ }
+ if ($this->arg('create')) {
+ if (!$this->boolean('license')) {
+ $this->showForm(_('You can\'t register if you don\'t agree to the license.'),
+ $this->trimmed('newname'));
+ return;
+ }
+ $this->createNewUser();
+ } else if ($this->arg('connect')) {
+ $this->connectUser();
+ } else {
+ common_debug(print_r($this->args, true), __FILE__);
+ $this->showForm(_('Something weird happened.'),
+ $this->trimmed('newname'));
+ }
+ } else {
+ $this->tryLogin();
+ }
+ }
+
+ function showPageNotice()
+ {
+ if ($this->error) {
+ $this->element('div', array('class' => 'error'), $this->error);
+ } else {
+ $this->element('div', 'instructions',
+ sprintf(_('This is the first time you\'ve logged into %s so we must connect your OpenID to a local account. You can either create a new account, or connect with your existing account, if you have one.'), common_config('site', 'name')));
+ }
+ }
+
+ function title()
+ {
+ return _('OpenID Account Setup');
+ }
+
+ function showForm($error=null, $username=null)
+ {
+ $this->error = $error;
+ $this->username = $username;
+
+ $this->showPage();
+ }
+
+ function showContent()
+ {
+ if (!empty($this->message_text)) {
+ $this->element('p', null, $this->message);
+ return;
+ }
+
+ $this->elementStart('form', array('method' => 'post',
+ 'id' => 'account_connect',
+ 'action' => common_local_url('finishopenidlogin')));
+ $this->hidden('token', common_session_token());
+ $this->element('h2', null,
+ _('Create new account'));
+ $this->element('p', null,
+ _('Create a new user with this nickname.'));
+ $this->input('newname', _('New nickname'),
+ ($this->username) ? $this->username : '',
+ _('1-64 lowercase letters or numbers, no punctuation or spaces'));
+ $this->elementStart('p');
+ $this->element('input', array('type' => 'checkbox',
+ 'id' => 'license',
+ 'name' => 'license',
+ 'value' => 'true'));
+ $this->text(_('My text and files are available under '));
+ $this->element('a', array('href' => common_config('license', 'url')),
+ common_config('license', 'title'));
+ $this->text(_(' except this private data: password, email address, IM address, phone number.'));
+ $this->elementEnd('p');
+ $this->submit('create', _('Create'));
+ $this->element('h2', null,
+ _('Connect existing account'));
+ $this->element('p', null,
+ _('If you already have an account, login with your username and password to connect it to your OpenID.'));
+ $this->input('nickname', _('Existing nickname'));
+ $this->password('password', _('Password'));
+ $this->submit('connect', _('Connect'));
+ $this->elementEnd('form');
+ }
+
+ function tryLogin()
+ {
+ $consumer = oid_consumer();
+
+ $response = $consumer->complete(common_local_url('finishopenidlogin'));
+
+ if ($response->status == Auth_OpenID_CANCEL) {
+ $this->message(_('OpenID authentication cancelled.'));
+ return;
+ } else if ($response->status == Auth_OpenID_FAILURE) {
+ // Authentication failed; display the error message.
+ $this->message(sprintf(_('OpenID authentication failed: %s'), $response->message));
+ } else if ($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();
+ }
+
+ $user = oid_get_user($canonical);
+
+ if ($user) {
+ oid_set_last($display);
+ # XXX: commented out at @edd's request until better
+ # control over how data flows from OpenID provider.
+ # oid_update_user($user, $sreg);
+ common_set_user($user);
+ common_real_login(true);
+ if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) {
+ common_rememberme($user);
+ }
+ unset($_SESSION['openid_rememberme']);
+ $this->goHome($user->nickname);
+ } else {
+ $this->saveValues($display, $canonical, $sreg);
+ $this->showForm(null, $this->bestNewNickname($display, $sreg));
+ }
+ }
+ }
+
+ function message($msg)
+ {
+ $this->message_text = $msg;
+ $this->showPage();
+ }
+
+ function saveValues($display, $canonical, $sreg)
+ {
+ common_ensure_session();
+ $_SESSION['openid_display'] = $display;
+ $_SESSION['openid_canonical'] = $canonical;
+ $_SESSION['openid_sreg'] = $sreg;
+ }
+
+ function getSavedValues()
+ {
+ return array($_SESSION['openid_display'],
+ $_SESSION['openid_canonical'],
+ $_SESSION['openid_sreg']);
+ }
+
+ function createNewUser()
+ {
+ # FIXME: save invite code before redirect, and check here
+
+ if (common_config('site', 'closed')) {
+ $this->clientError(_('Registration not allowed.'));
+ return;
+ }
+
+ $invite = null;
+
+ if (common_config('site', 'inviteonly')) {
+ $code = $_SESSION['invitecode'];
+ if (empty($code)) {
+ $this->clientError(_('Registration not allowed.'));
+ return;
+ }
+
+ $invite = Invitation::staticGet($code);
+
+ if (empty($invite)) {
+ $this->clientError(_('Not a valid invitation code.'));
+ return;
+ }
+ }
+
+ $nickname = $this->trimmed('newname');
+
+ if (!Validate::string($nickname, array('min_length' => 1,
+ 'max_length' => 64,
+ 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
+ $this->showForm(_('Nickname must have only lowercase letters and numbers and no spaces.'));
+ return;
+ }
+
+ if (!User::allowed_nickname($nickname)) {
+ $this->showForm(_('Nickname not allowed.'));
+ return;
+ }
+
+ if (User::staticGet('nickname', $nickname)) {
+ $this->showForm(_('Nickname already in use. Try another one.'));
+ return;
+ }
+
+ list($display, $canonical, $sreg) = $this->getSavedValues();
+
+ if (!$display || !$canonical) {
+ $this->serverError(_('Stored OpenID not found.'));
+ return;
+ }
+
+ # Possible race condition... let's be paranoid
+
+ $other = oid_get_user($canonical);
+
+ if ($other) {
+ $this->serverError(_('Creating new account for OpenID that already has a user.'));
+ return;
+ }
+
+ $location = '';
+ if (!empty($sreg['country'])) {
+ if ($sreg['postcode']) {
+ # XXX: use postcode to get city and region
+ # XXX: also, store postcode somewhere -- it's valuable!
+ $location = $sreg['postcode'] . ', ' . $sreg['country'];
+ } else {
+ $location = $sreg['country'];
+ }
+ }
+
+ if (!empty($sreg['fullname']) && mb_strlen($sreg['fullname']) <= 255) {
+ $fullname = $sreg['fullname'];
+ } else {
+ $fullname = '';
+ }
+
+ if (!empty($sreg['email']) && Validate::email($sreg['email'], true)) {
+ $email = $sreg['email'];
+ } else {
+ $email = '';
+ }
+
+ # XXX: add language
+ # XXX: add timezone
+
+ $args = array('nickname' => $nickname,
+ 'email' => $email,
+ 'fullname' => $fullname,
+ 'location' => $location);
+
+ if (!empty($invite)) {
+ $args['code'] = $invite->code;
+ }
+
+ $user = User::register($args);
+
+ $result = oid_link_user($user->id, $canonical, $display);
+
+ oid_set_last($display);
+ common_set_user($user);
+ common_real_login(true);
+ if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) {
+ common_rememberme($user);
+ }
+ unset($_SESSION['openid_rememberme']);
+ common_redirect(common_local_url('showstream', array('nickname' => $user->nickname)),
+ 303);
+ }
+
+ function connectUser()
+ {
+ $nickname = $this->trimmed('nickname');
+ $password = $this->trimmed('password');
+
+ if (!common_check_user($nickname, $password)) {
+ $this->showForm(_('Invalid username or password.'));
+ return;
+ }
+
+ # They're legit!
+
+ $user = User::staticGet('nickname', $nickname);
+
+ list($display, $canonical, $sreg) = $this->getSavedValues();
+
+ if (!$display || !$canonical) {
+ $this->serverError(_('Stored OpenID not found.'));
+ return;
+ }
+
+ $result = oid_link_user($user->id, $canonical, $display);
+
+ if (!$result) {
+ $this->serverError(_('Error connecting user to OpenID.'));
+ return;
+ }
+
+ oid_update_user($user, $sreg);
+ oid_set_last($display);
+ common_set_user($user);
+ common_real_login(true);
+ if (isset($_SESSION['openid_rememberme']) && $_SESSION['openid_rememberme']) {
+ common_rememberme($user);
+ }
+ unset($_SESSION['openid_rememberme']);
+ $this->goHome($user->nickname);
+ }
+
+ function goHome($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, 303);
+ }
+
+ function bestNewNickname($display, $sreg)
+ {
+
+ # Try the passed-in nickname
+
+ if (!empty($sreg['nickname'])) {
+ $nickname = $this->nicknamize($sreg['nickname']);
+ if ($this->isNewNickname($nickname)) {
+ return $nickname;
+ }
+ }
+
+ # Try the full name
+
+ if (!empty($sreg['fullname'])) {
+ $fullname = $this->nicknamize($sreg['fullname']);
+ if ($this->isNewNickname($fullname)) {
+ return $fullname;
+ }
+ }
+
+ # Try the URL
+
+ $from_url = $this->openidToNickname($display);
+
+ if ($from_url && $this->isNewNickname($from_url)) {
+ return $from_url;
+ }
+
+ # XXX: others?
+
+ return null;
+ }
+
+ function isNewNickname($str)
+ {
+ if (!Validate::string($str, array('min_length' => 1,
+ 'max_length' => 64,
+ 'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
+ return false;
+ }
+ if (!User::allowed_nickname($str)) {
+ return false;
+ }
+ if (User::staticGet('nickname', $str)) {
+ return false;
+ }
+ return true;
+ }
+
+ function openidToNickname($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);
- }
+ return $this->xriToNickname($openid);
+ } else {
+ return $this->urlToNickname($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 urlToNickname($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 xriToNickname($xri)
+ {
+ $base = $this->xriBase($xri);
+
+ if (!$base) {
+ return null;
+ } else {
+ # =evan.prodromou
+ # or @gratis*evan.prodromou
+ $parts = explode('*', substr($base, 1));
+ return $this->nicknamize(array_pop($parts));
+ }
+ }
+
+ function xriBase($xri)
+ {
+ if (substr($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);
+ }
}
projects / quix0rs-gnu-social.git / blobdiff