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action.php
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action.php
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<?php
/**
* DokuWiki Plugin oauth (Action Component)
*
* @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
* @author Andreas Gohr <andi@splitbrain.org>
*/
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
class action_plugin_evesso extends DokuWiki_Action_Plugin {
/**
* Registers a callback function for a given event
*
* @param Doku_Event_Handler $controller DokuWiki's event controller object
* @return void
*/
public function register(Doku_Event_Handler $controller) {
global $conf;
if($conf['authtype'] != 'evesso') return;
$conf['profileconfirm'] = false; // password confirmation doesn't work with oauth only users
$controller->register_hook('DOKUWIKI_STARTED', 'BEFORE', $this, 'handle_start');
$controller->register_hook('HTML_LOGINFORM_OUTPUT', 'BEFORE', $this, 'handle_loginform');
$controller->register_hook('HTML_UPDATEPROFILEFORM_OUTPUT', 'BEFORE', $this, 'handle_profileform');
$controller->register_hook('FORM_LOGIN_OUTPUT', 'BEFORE', $this, 'handle_loginform');
$controller->register_hook('FORM_UPDATEPROFILE_OUTPUT', 'BEFORE', $this, 'handle_profileform');
$controller->register_hook('AUTH_USER_CHANGE', 'BEFORE', $this, 'handle_usermod');
$controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_dologin');
}
/**
* Start an oAuth login or restore environment after successful login
*
* @param Doku_Event $event event object by reference
* @param mixed $param [the parameters passed as fifth argument to register_hook() when this
* handler was registered]
* @return void
*/
public function handle_start(Doku_Event &$event, $param) {
global $ID;
if (isset($_SESSION[DOKU_COOKIE]['oauth-logout'])){
unset($_SESSION[DOKU_COOKIE]['oauth-logout']);
send_redirect(wl($ID));
return;
}
if (isset($_SESSION[DOKU_COOKIE]['oauth-done']['do']) || !empty($_SESSION[DOKU_COOKIE]['oauth-done']['rev'])){
$this->restoreSessionEnvironment();
return;
}
$this->updateGroups();
$this->startOAuthLogin();
}
public function updateGroups() {
global $AUTH_ACL, $ID;
$showMessage = false;
$updateACL = false;
foreach ($AUTH_ACL as $index => $value) { //Search
$acl = preg_split("/\s/", $value);
if ($this->startsWith($acl[1], "@eve%2d")) {
$showMessage = true;
if ($acl[2] != 0) {
$updateACL = true;
}
}
}
if ($updateACL) {
$apa = plugin_load('admin', 'acl');
foreach ($AUTH_ACL as $index => $value) {
$acl = preg_split("/\s/", $value);
if ($this->startsWith($acl[1], "@eve%2d") && $acl[2] != 0) {
if (method_exists($apa, "addOrUpdateACL")) {
$apa->addOrUpdateACL($acl[0], rawurldecode($acl[1]), 0); //Scope, User/Group
} else { //Greebo and bellow
$apa->_acl_del($acl[0], rawurldecode($acl[1])); // first make sure we won't end up with 2 lines matching this user and scope.
$apa->_acl_add($acl[0], rawurldecode($acl[1]), 0); //Scope, User/Group
}
$AUTH_ACL[$index] = $acl[0] . ' ' . $acl[1] . ' ' . '0';
}
}
}
if ($showMessage) {
msg('<b>EVESSO:</b><br/>'
. 'The naming of eve groups was changed in this version of EVESSO.<br />'
. 'Access for all the deprecated groups have been set to <code>None</code>.<br />'
. 'See the <a href="https://github.com/GoldenGnu/dokuwiki-plugin-evesso#updating">readme</a> for the details on how the naming have changed.<br />'
. 'Update your <a href="' . wl($ID, array('do' => 'admin', 'page' => 'acl'), true, '&') . '">ACL</a> settings to restore access.<br />'
. 'This message will remain until the deprecated groups are removed from ACL.<br />'
, 2, '', '', MSG_ADMINS_ONLY);
}
}
private function startOAuthLogin() {
global $INPUT, $ID;
/** @var helper_plugin_evesso $hlp */
$hlp = plugin_load('helper', 'evesso');
$servicename = $INPUT->str('evessologin');
$service = $hlp->loadService($servicename);
if(is_null($service)) return;
// remember service in session
session_start();
$_SESSION[DOKU_COOKIE]['oauth-inprogress']['service'] = $servicename;
$_SESSION[DOKU_COOKIE]['oauth-inprogress']['id'] = $ID;
session_write_close();
$service->login();
}
private function restoreSessionEnvironment() {
global $INPUT, $ACT, $TEXT, $PRE, $SUF, $SUM, $RANGE, $DATE_AT, $REV;
$ACT = $_SESSION[DOKU_COOKIE]['oauth-done']['do'];
$_REQUEST = $_SESSION[DOKU_COOKIE]['oauth-done']['$_REQUEST'];
$REV = $INPUT->int('rev');
$DATE_AT = $INPUT->str('at');
$RANGE = $INPUT->str('range');
if($INPUT->post->has('wikitext')) {
$TEXT = cleanText($INPUT->post->str('wikitext'));
}
$PRE = cleanText(substr($INPUT->post->str('prefix'), 0, -1));
$SUF = cleanText($INPUT->post->str('suffix'));
$SUM = $INPUT->post->str('summary');
unset($_SESSION[DOKU_COOKIE]['oauth-done']);
}
/**
* Save groups for all the services a user has enabled
*
* @param Doku_Event $event event object by reference
* @param mixed $param [the parameters passed as fifth argument to register_hook() when this
* handler was registered]
* @return void
*/
public function handle_usermod(Doku_Event &$event, $param) {
global $ACT;
global $USERINFO;
global $auth;
global $INPUT;
if($event->data['type'] != 'modify') return;
if($ACT != 'profile') return;
// we want to modify the user's groups
$groups = $USERINFO['grps']; //current groups
if(isset($event->data['params'][1]['grps'])) {
// something already defined new groups
$groups = $event->data['params'][1]['grps'];
}
/** @var helper_plugin_evesso $hlp */
$hlp = plugin_load('helper', 'evesso');
// get enabled and configured services
$enabled = $INPUT->arr('oauth_group');
// add all enabled services as group, remove all disabled services
if(isset($enabled['EveOnline'])) { //Add EveOnline
$groups[] = 'eveonline';
} else { //Remove EveOnline
$idx = array_search('eveonline', $groups);
if($idx !== false) unset($groups[$idx]);
}
$groups = array_unique($groups);
// add new group array to event data
$event->data['params'][1]['grps'] = $groups;
}
/**
* Add service selection to user profile
*
* @param Doku_Event $event event object by reference
* @param mixed $param [the parameters passed as fifth argument to register_hook() when this
* handler was registered]
* @return void
*/
public function handle_profileform(Doku_Event &$event, $param) {
global $USERINFO;
/** @var auth_plugin_authplain $auth */
global $auth;
/** @var helper_plugin_evesso $hlp */
$hlp = plugin_load('helper', 'evesso');
/** @var Doku_Form $form */
$form =& $event->data;
if (!in_array('eveonline', $USERINFO['grps'])) {
return; //Continue as normal
}
if(is_a($form, \dokuwiki\Form\Form::class)) { //Igor and later
//Disable fullname field
$pos = $form->findPositionByAttribute('name', 'fullname');
$form->getElementAt($pos)->attr('disabled', 'disabled');
//Remove all fields except username and fullname
$start = $form->findPositionByAttribute('name', 'fullname') + 1;
$done = 0;
while ($form->elementCount() > $start && $done < 11) {
$form->removeElement($start);
$done++;
}
$pos = $form->elementCount();
//Add corporation, alliance, faction fields
foreach ($USERINFO['grps'] as $group) {
if ($this->startsWith($group, helper_plugin_evesso::CORPORATION_PREFIX)) {
$corp = $this->replaceFirst($group, helper_plugin_evesso::CORPORATION_PREFIX);
}
if ($this->startsWith($group, helper_plugin_evesso::ALLIANCE_PREFIX)) {
$alliance = $this->replaceFirst($group, helper_plugin_evesso::ALLIANCE_PREFIX);
}
if ($this->startsWith($group, helper_plugin_evesso::FACTION_PREFIX)) {
$faction = $this->replaceFirst($group, helper_plugin_evesso::FACTION_PREFIX);
}
}
if (isset($faction)) { //str_starts_with
$this->insertTextInput($form, $pos, $faction, $this->getLang('faction'));
}
if (isset($alliance)) { //str_starts_with
$this->insertTextInput($form, $pos, $alliance, $this->getLang('alliance'));
}
if (isset($corp)) { //str_starts_with
$this->insertTextInput($form, $pos, $corp, $this->getLang('corporation'));
}
} else { //Hogfather and earlier
//Remove all fields except username and fullname
array_splice($form->_content, 3);
//Disable fullname field
$form->getElementAt(3)['disabled'] = 'disabled';
//Add corporation, alliance, faction fields
$pos = count($form->_content);
foreach ($USERINFO['grps'] as $group) {
if ($this->startsWith($group, helper_plugin_evesso::CORPORATION_PREFIX)) {
$corp = $this->replaceFirst($group, helper_plugin_evesso::CORPORATION_PREFIX);
}
if ($this->startsWith($group, helper_plugin_evesso::ALLIANCE_PREFIX)) {
$alliance = $this->replaceFirst($group, helper_plugin_evesso::ALLIANCE_PREFIX);
}
if ($this->startsWith($group, helper_plugin_evesso::FACTION_PREFIX)) {
$faction = $this->replaceFirst($group, helper_plugin_evesso::FACTION_PREFIX);
}
}
$form->insertElement($pos, form_closefieldset());
if (isset($faction)) { //str_starts_with
$form->insertElement($pos, form_makeTextField($faction, $faction, $this->getLang('faction'), '', 'block', array('disabled' => 'disabled', 'size' => '50')));
}
if (isset($alliance)) { //str_starts_with
$form->insertElement($pos, form_makeTextField($alliance, $alliance, $this->getLang('alliance'), '', 'block', array('disabled' => 'disabled', 'size' => '50')));
}
if (isset($corp)) { //str_starts_with
$form->insertElement($pos, form_makeTextField($corp, $corp, $this->getLang('corporation'), '', 'block', array('disabled' => 'disabled', 'size' => '50')));
}
}
}
private function startsWith($haystack, $needle) {
$length = strlen($needle);
return (substr($haystack, 0, $length) === $needle);
}
private function replaceFirst($haystack, $needle, $replace = '') {
$pos = strpos($haystack, $needle);
if ($pos !== false) {
$haystack = substr_replace($haystack, $replace, $pos, strlen($needle));
}
return $haystack;
}
private function insertTextInput($form, $pos, $value, $name) {
$textInput = $form->addTextInput($value, $name, $pos);
$textInput->attr('size', '50');
$textInput->attr('class', 'edit');
$textInput->attr('value', $value);
$textInput->attr('disabled', 'disabled');
$label = $textInput->getLabel();
$label->attr('class', 'block');
$form->addHTML('<br>', $pos);
}
private function insertElement($form, $pos, $out) {
if(is_a($form, \dokuwiki\Form\Form::class)) { //Igor and later
$form->addHtml($out, $pos);
} else { //Hogfather and earlier
$form->insertElement($pos, $out);
}
}
/**
* Add the oAuth login links
*
* @param Doku_Event $event event object by reference
* @param mixed $param [the parameters passed as fifth argument to register_hook() when this
* handler was registered]
* @return void
*/
public function handle_loginform(Doku_Event &$event, $param) {
/** @var helper_plugin_evesso $hlp */
$hlp = plugin_load('helper', 'evesso');
$service = $hlp->getService();
/** @var Doku_Form $form */
$form =& $event->data;
$html = '';
if ($hlp->isEveAuth()) { //Set Html
if(is_a($form, \dokuwiki\Form\Form::class)) { //Igor and later
while ($form->elementCount() > 0) {
$form->removeElement(0);
}
$pos = $form->elementCount() - 3; //At the end
} else { //Hogfather and earlier
$form->_content = array();
$pos = 0;
}
$html = $this->service_html($service);
}else{ //PlainAuth and EveAuth
$html .= $this->service_html($service);
if(is_a($form, \dokuwiki\Form\Form::class)) { //Igor and later
$pos = $form->elementCount(); //At the end
} else { //Hogfather and earlier
$pos = count($form->_content);
}
}
if(is_a($form, \dokuwiki\Form\Form::class)) { //Igor and later
$form->addFieldsetOpen($this->getLang('loginwith'), ++$pos);
$form->addHtml($html, ++$pos);
$form->addFieldsetClose();
} else { //Hogfather and earlier
$form->insertElement(++$pos, form_openfieldset(array('_legend' => $this->getLang('loginwith'), 'class' => 'plugin_evesso')));
$form->insertElement(++$pos, $html);
$form->insertElement(++$pos, form_closefieldset());
}
}
function service_html($service) {
global $ID;
$html = '';
$html .= '<a href="' . wl($ID, array('evessologin' => $service)) . '" class="plugin_evesso_' . $service . '">';
if ($this->getConf('login-button') == 'Button') {
$html .= '<div class="eve-sso-login-white-large"></div>';
} elseif ($this->getConf('login-button') == 'LargeLight') {
$html .= '<div class="eve-sso-login-white-large"></div>';
} elseif ($this->getConf('login-button') == 'LargeDark') {
$html .= '<div class="eve-sso-login-black-large"></div>';
} elseif ($this->getConf('login-button') == 'SmallLight') {
$html .= '<div class="eve-sso-login-white-small"></div>';
} elseif ($this->getConf('login-button') == 'SmallDark') {
$html .= '<div class="eve-sso-login-black-small"></div>';
} else {
$html .= $this->getLang('loginButton');
}
$html .= '</a> ';
return $html;
}
public function handle_dologin(Doku_Event &$event, $param) {
global $lang;
global $ID;
$hlp = plugin_load('helper', 'evesso');
if($event->data == 'logout' && $hlp->isEveAuth()) {
session_start();
$_SESSION[DOKU_COOKIE]['oauth-logout'] = 'logout';
session_write_close();
}
if ($hlp->isAuthPlain()) return true;
if($event->data != 'login') return true;
if($hlp->isEveAuthDirect()) {
$lang['btn_login'] = $this->getLang('loginButton');
$url = wl($ID, array('evessologin' => $hlp->getService()), true, '&');
send_redirect($url);
}
}
}
// vim:ts=4:sw=4:et: