CASLogin.php 12.5 KB
Newer Older
1 2 3 4 5 6 7
<?php
namespace Drupal\casost\Controller;

use Drupal\Core\Entity\Query\QueryFactory;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Controller\ControllerBase;
8
use phpCAS;
9 10 11 12 13 14 15
use Drupal\user\Entity\User;
use Drupal\Core\Database\Connection;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Drupal\Core\Logger\LoggerChannelFactoryInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\RedirectResponse;
16
use Symfony\Component\HttpFoundation\Cookie;
17
require ('RedirectResponseWithCookieExt.php');
18 19 20 21 22 23 24 25

class CASLogin extends ControllerBase
{

    protected $serverVersion;
    protected $serverHostname;
    protected $serverPort;
    protected $serverUri;
26
    protected $redirectUrl;
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
    protected $changeSessionId;
    protected $CASServerCACert;
    protected $CASServerCNValidate;
    protected $noCASServerValidation;
    protected $proxy;
    protected $handleLogoutRequests;
    protected $CASLang;
    protected $allowed1;
    protected $allowed1Value;
    protected $allowed2;
    protected $allowed2Value;

    protected $entity_query;
    protected $entityTypeManager;
    protected $logger;
    protected $connection;

    public function __construct(
    EntityTypeManagerInterface $entityTypeManager,
    QueryFactory $entity_query,
    Connection $connection,
    LoggerChannelFactoryInterface $loggerChannel)
    {
        $this->entityTypeManager = $entityTypeManager;
        $this->entity_query = $entity_query;
        $this->connection = $connection;
        $this->logger = $loggerChannel->get('casost');

    }

57 58


59 60 61 62 63 64 65 66 67 68 69 70 71
    public static function create(ContainerInterface $container)
    {
        return new static(
          $container->get('entity.manager'),
          $container->get('entity.query'),
          $container->get('database'),
          $container->get('logger.factory')
      );
    }

    public function loginGo(Request $request)
    {

72
        $configRowName = 'casost_sch_sso_config';
73
        try {
74

75 76 77 78
            $configRowId = $request->query->get('config');
            if ($configRowId)
                $configRowName = $configRowName . '_' . $configRowId;
            $CASOSTConfigs = $this->entityTypeManager->getStorage('casost_config')->loadByProperties(array('name' => $configRowName));
79 80 81 82 83 84
            $CASOSTConfig = reset($CASOSTConfigs);
            if ($CASOSTConfig) {
                $this->serverVersion = $CASOSTConfig->serverversion->value;
                $this->serverHostname = $CASOSTConfig->serverhostname->value;
                $this->serverPort = $CASOSTConfig->serverport->value;
                $this->serverUri = $CASOSTConfig->serveruri->value === null ? '' : $CASOSTConfig->serveruri->value;
85
                $this->redirectUrl = $CASOSTConfig->redirecturl->value;
86 87 88 89 90 91 92 93 94 95 96 97
                $this->changeSessionId = $CASOSTConfig->changesessionid->value;
                $this->CASServerCACert = $CASOSTConfig->casservercacert->value;
                $this->CASServerCNValidate = $CASOSTConfig->casservercnvalidate->value;
                $this->noCASServerValidation = $CASOSTConfig->nocasservervalidation->value;
                $this->proxy = $CASOSTConfig->proxy->value;
                $this->handleLogoutRequests = $CASOSTConfig->handlelogoutrequests->value;
                $this->CASLang = $CASOSTConfig->caslang->value;
                $this->allowed1 = $CASOSTConfig->allowed1->value;
                $this->allowed1Value = $CASOSTConfig->allowed1value->value;
                $this->allowed2 = $CASOSTConfig->allowed2->value;
                $this->allowed2Value = $CASOSTConfig->allowed2value->value;
            }
98
            phpCAS::setDebug("phpcas.log");
99
            // Enable verbose error messages. Disable in production!
Open Source Developer's avatar
trans  
Open Source Developer committed
100
            //phpCAS::setVerbose(true);
101

102
            phpCAS::client($this->serverVersion,
103 104 105 106 107
                $this->serverHostname,
                intval($this->serverPort),
                $this->serverUri,
                boolval($this->changeSessionId));

108

109 110 111 112 113
//            \phpCAS::setServerLoginURL('http://sso-test.sch.gr/login');
//            \phpCAS::setServerServiceValidateURL('http://sso-test.sch.gr/cas/samlValidate');

            if ($this->CASServerCACert) {
                if ($this->CASServerCNValidate) {
114
                    phpCAS::setCasServerCACert($this->CASServerCACert, true);
115
                } else {
116
                    phpCAS::setCasServerCACert($this->CASServerCACert, false);
117 118 119
                }
            }
            if ($this->noCASServerValidation) {
120
                phpCAS::setNoCasServerValidation();
121
            }
122 123
            phpCAS::handleLogoutRequests();
            if (!phpCAS::forceAuthentication()) {
124
                return $this->redirectForbidden($configRowName, '5001');
125
            }
126
            $attributes = phpCAS::getAttributes();
127
/*            foreach ($attributes as $attr_key => $attr_value) {
128 129
                $this->logger->warning($attr_key);
                $this->logger->warning(phpCAS::getAttribute($attr_key));
130
            } */
131

132
/*            $isAllowed = true;
133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157
            $att1 = $attributes[$this->allowed1];
            $att2 = $attributes[$this->allowed2];
            if (!isset($att1) || !isset($att2)) {
                $isAllowed = false;
            }
            if (!is_array($attributes[$this->allowed1])) {
                $attributes[$this->allowed1] = [$attributes[$this->allowed1]];
            }
            if (!is_array($attributes[$this->allowed2])) {
                $attributes[$this->allowed2] = [$attributes[$this->allowed2]];
            }
            $found1 = false;
            foreach ($attributes[$this->allowed1] as $value) {
                if (1 === preg_match($this->allowed1Value, $value)) {
                    $found1 = true;
                }
            }
            $found2 = false;
            foreach ($attributes[$this->allowed2] as $value) {
                if (1 === preg_match($this->allowed2Value, $value)) {
                    $found2 = true;
                }
            }
            if (!$found1 || !$found2) {
                $isAllowed = false;
158
            } */
159 160 161 162 163 164 165 166

    /*        if (!$isAllowed) {
                $response = new Response();
                $response->setContent(t('Access is allowed only to official school accounts'));
                $response->setStatusCode(Response::HTTP_FORBIDDEN);
                $response->headers->set('Content-Type', 'application/json;charset=UTF-8');
                return $response;
            } */
167
            $CASUser = phpCAS::getUser();
168 169 170 171 172

            $this->logger->warning($CASUser);

            $filterAttribute = function ($attribute) use ($attributes) {
                if (!isset($attributes[$attribute])) {
173
                    return false;
174 175 176 177
                }
                return $attributes[$attribute];
            };

178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198
            $umdobject = $filterAttribute("umdobject");
            $physicaldeliveryofficename = $filterAttribute("physicaldeliveryofficename");


/****** the following is for production ***************************/

        /*    if (!$umdobject || $umdobject !== "Account") {
                return $this->redirectForbidden($configRowName, '5002');
            }
            if (!$physicaldeliveryofficename || preg_replace('/\s+/', '', $physicaldeliveryofficename) !== 'ΕΠΙΣΗΜΟΣΛΟΓΑΡΙΑΣΜΟΣ') {
                return $this->redirectForbidden($configRowName, '5003');
            } */

            phpCAS::trace($umdobject);
            phpCAS::trace($physicaldeliveryofficename);
            $gsnunitcodedn = $filterAttribute('edupersonorgunitdn:gsnunitcode:extended');
            $gsnunitcode = substr($gsnunitcodedn, strpos($gsnunitcodedn, ";") + 1);
            phpCAS::trace($gsnunitcode);
            $userAssigned = $this->assignRoleToUser($gsnunitcode);
            if (sizeof($userAssigned) === 0) {
                return $this->redirectForbidden($configRowName, '5004');
199 200
            }

201
// $this->logger->warning('redirecturl=' . $this->redirectUrl);
202
            $epalToken = $this->authenticatePhase2($request, $CASUser, $userAssigned, $filterAttribute('cn'));
203
            if ($epalToken) {
204
                if ('casost_sch_sso_config' === $configRowName) {
205 206
                /*    $cookie = new Cookie('auth_token', $epalToken, 0, '/', null, false, false);
                    $cookie2 = new Cookie('auth_role', $exposedRole, 0, '/', null, false, false); */
207

208
                    return new RedirectResponse($this->redirectUrl . $epalToken.'&auth_role=' . $userAssigned["exposedRole"], 302, []);
209
                } else {
210
                    \Drupal::service('page_cache_kill_switch')->trigger();
211
                    return new RedirectResponseWithCookieExt($this->redirectUrl . $epalToken.'&auth_role=' . $userAssigned["exposedRole"], 302, []);
212
                }
213 214
//                $headers = array("auth_token" => $epalToken, "auth_role" => "director");
//                return new RedirectResponse($this->redirectUrl, 302, $headers);
215
            } else {
216
                return $this->redirectForbidden($configRowName, '5005');
217 218 219 220
            }

        } catch (\Exception $e) {
            $this->logger->warning($e->getMessage());
221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252
            return $this->redirectForbidden($configRowName, '6000');
        }
    }

    private function assignRoleToUser($registry_no) {
        $schools = $this->entityTypeManager->getStorage('eepal_school')->loadByProperties(array('registry_no' => $registry_no));
        $school = reset($schools);
        if ($school) {
            return array("id" => $school->id(), "exposedRole" => "director", "internalRole" => "epal");
        }
        $eduAdmins = $this->entityTypeManager->getStorage('eepal_admin_area')->loadByProperties(array('registry_no' => $registry_no));
        $eduAdmin = reset($eduAdmins);
        if ($eduAdmin) {
            return array("id" => $eduAdmin->id(), "exposedRole" => "dide", "internalRole" => "eduadmin");
        }
        $regionAdmins = $this->entityTypeManager->getStorage('eepal_region')->loadByProperties(array('registry_no' => $registry_no));
        $regionAdmin = reset($regionAdmins);
        if ($regionAdmin) {
            return array("id" => $regionAdmin->id(), "exposedRole" => "pde", "internalRole" => "regioneduadmin");
        }
        return array();

    }

    private function redirectForbidden($configRowName, $errorCode) {
        session_unset();
        session_destroy();
        \Drupal::service('page_cache_kill_switch')->trigger();
        if ('casost_sch_sso_config' === $configRowName) {
            return new RedirectResponse($this->redirectUrl.'&error_code=' . $errorCode, 302, []);
        } else {
            return new RedirectResponseWithCookieExt($this->redirectUrl .'&error_code=' . $errorCode, 302, []);
253 254 255
        }
    }

256
    private function authenticatePhase2($request, $CASUser, $userAssigned, $cn)
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284
    {
    $trx = $this->connection->startTransaction();
    try {

        $currentTime = time();

        $epalToken = md5(uniqid(mt_rand(), true));

            $users = $this->entityTypeManager->getStorage('user')->loadByProperties(array('mail' => $CASUser));
            $user = reset($users);
            if ($user) {
                $user->setPassword($epalToken);
                $user->setUsername($epalToken);
                $user->save();
            }


        if ($user === null || !$user) {

            //Create a User
            $user = User::create();
            //Mandatory settings
            $unique_id = uniqid('####');
            $user->setPassword($epalToken);
            $user->enforceIsNew();
            $user->setEmail($CASUser);
            $user->setUsername($epalToken); //This username must be unique and accept only a-Z,0-9, - _ @ .
            $user->activate();
285 286
//            $user->set('init', $cn);
            $user->set('init', $userAssigned["id"]);
287 288 289 290 291 292 293 294

            //Set Language
            $language_interface = \Drupal::languageManager()->getCurrentLanguage();
            $user->set('langcode', $language_interface->getId());
            $user->set('preferred_langcode', $language_interface->getId());
            $user->set('preferred_admin_langcode', $language_interface->getId());

            //Adding default user role
295
            $user->addRole($userAssigned["internalRole"]);
296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313
            $user->save();
        }

        return $epalToken;
    } catch (OAuthException $e) {
        $this->logger->warning($e->getMessage());
        $trx->rollback();
        return false;
    } catch (\Exception $ee) {
        $this->logger->warning($ee->getMessage());
        $trx->rollback();
        return false;
    }

        return false;
    }

}