src/jobs/widget_install/task_certify.cpp

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  *    Licensed under the Apache License, Version 2.0 (the "License");
   5  *    you may not use this file except in compliance with the License.
   6  *    You may obtain a copy of the License at
   7  *
   8  *        http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *    Unless required by applicable law or agreed to in writing, software
  11  *    distributed under the License is distributed on an "AS IS" BASIS,
  12  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *    See the License for the specific language governing permissions and
  14  *    limitations under the License.
  15  */
  16 /*
  17  * @file    task_certify.cpp
  18  * @author  Pawel Sikorski (p.sikorski@samgsung.com)
  19  * @version
  20  * @brief
  21  */
  22
  23 //SYSTEM INCLUDES
  24 #include <cstring>
  25 #include <string>
  26 #include <dpl/assert.h>
  27 #include <appcore-common.h> //TODO is it necessary here?
  28 #include <pcrecpp.h>
  29
  30 //WRT INCLUDES
  31 #include <widget_install/task_certify.h>
  32 #include <widget_install/job_widget_install.h>
  33 #include <widget_install/widget_install_errors.h>
  34 #include <widget_install/widget_install_context.h>
  35 #include <dpl/log/log.h>
  36 #include <dpl/wrt-dao-ro/global_config.h>
  37 #include "wac_widget_id.h"
  38
  39 #include <vcore/Certificate.h>
  40 #include <vcore/SignatureReader.h>
  41 #include <vcore/SignatureFinder.h>
  42 #include <vcore/WrtSignatureValidator.h>
  43 #include <vcore/DeveloperModeValidator.h>
  44 #include <dpl/utils/wrt_global_settings.h>
  45 #include <dpl/wrt-dao-ro/global_dao_read_only.h>
  46
  47 #include <ITapiModem.h>
  48 #include <tapi_common.h>
  49
  50 using namespace ValidationCore;
  51 using namespace WrtDB;
  52
  53 namespace {
  54 const std::string LABEL_NEW_LINE = "<br>";
  55 const std::string LABEL_NEW_LINE_2 = "<br><br>";
  56 const std::string UNTRUSTED_WIDGET = "It is an Untrusted Widget";
  57 const char *QUESTION = "Do you wanto to install?";
  58
  59 WidgetCertificateData toWidgetCertificateData(const SignatureData &data,
  60                                               bool root)
  61 {
  62     WidgetCertificateData result;
  63
  64     result.chainId = data.getSignatureNumber();
  65     LogDebug("result.chainId : " << result.chainId);
  66
  67     result.owner = data.isAuthorSignature() ?
  68         WidgetCertificateData::AUTHOR : WidgetCertificateData::DISTRIBUTOR;
  69
  70     result.type = root ?
  71         WidgetCertificateData::ROOT : WidgetCertificateData::ENDENTITY;
  72
  73     CertificatePtr certificate;
  74
  75     if (root) {
  76         certificate = data.getRootCaCertificatePtr();
  77     } else {
  78         certificate = data.getEndEntityCertificatePtr();
  79     }
  80
  81     Assert(certificate && !certificate->getCommonName().IsNull() &&
  82            "CommonName is Null");
  83
  84     result.strCommonName = *certificate->getCommonName();
  85
  86     result.strMD5Fingerprint = std::string("md5 ") +
  87         Certificate::FingerprintToColonHex(
  88             certificate->getFingerprint(Certificate::FINGERPRINT_MD5));
  89
  90     result.strSHA1Fingerprint = std::string("sha-1 ") +
  91         Certificate::FingerprintToColonHex(
  92             certificate->getFingerprint(Certificate::FINGERPRINT_SHA1));
  93
  94     return result;
  95 }
  96
  97 CertificatePtr getOldAuthorSignerCertificate(DPL::String appid)
  98 {
  99     WidgetDAOReadOnly dao(appid);
 100     CertificateChainList chainList = dao.getWidgetCertificate(SIGNATURE_AUTHOR);
 101
 102     FOREACH(it, chainList)
 103     {
 104         ValidationCore::CertificateCollection chain;
 105         if (false == chain.load(*it)) {
 106             LogError("Chain is broken");
 107         }
 108
 109         if (!chain.sort()) {
 110             LogError("Chain failed at sorting");
 111         }
 112
 113         ValidationCore::CertificateList list = chain.getCertificateList();
 114
 115         FOREACH(cert, list)
 116         {
 117             if (!(*cert)->isRootCert() && !(*cert)->isCA()) {
 118                 return *cert;
 119             }
 120         }
 121     }
 122     return CertificatePtr(NULL);
 123 }
 124 } // namespace anonymous
 125
 126 namespace Jobs {
 127 namespace WidgetInstall {
 128 TaskCertify::TaskCertify(InstallerContext &inCont) :
 129     DPL::TaskDecl<TaskCertify>(this),
 130     WidgetInstallPopup(inCont),
 131     m_contextData(inCont)
 132 {
 133     AddStep(&TaskCertify::stepSignature);
 134     // certi comparison determines whether the update.
 135     if (true == m_contextData.existingWidgetInfo.isExist) {
 136         AddStep(&TaskCertify::stepVerifyUpdate);
 137     }
 138
 139     // Block until fixed popup issues
 140     if (!GlobalSettings::PopupsTestModeEnabled()
 141         && !m_installContext.m_quiet && !isTizenWebApp())
 142     {
 143         AddStep(&TaskCertify::stepWarningPopup);
 144         AddStep(&TaskCertify::stepWarningPopupAnswer);
 145         AddStep(&TaskCertify::stepAuthorInfoPopup);
 146         AddStep(&TaskCertify::stepAuthorInfoPopupAnswer);
 147         AddStep(&TaskCertify::StepDeletePopupWin);
 148     }
 149     AddStep(&TaskCertify::stepFinalize);
 150 }
 151
 152 void TaskCertify::processDistributorSignature(const SignatureData &data)
 153 {
 154     // this signature is verified -
 155     // no point in check domain WAC_ROOT and WAC_RECOGNIZED
 156     m_contextData.wacSecurity.setDistributorSigned(true);
 157
 158     if (data.getStorageType().contains(CertStoreId::WAC_ROOT)) {
 159         m_contextData.wacSecurity.setWacSigned(true);
 160     }
 161
 162     CertificateCollection collection;
 163     collection.load(data.getCertList());
 164     Assert(collection.sort() &&
 165            "Certificate collection can't sort");
 166
 167     Assert(collection.isChain() &&
 168            "Certificate collection is not able to create chain. "
 169            "It is not possible to verify this signature.");
 170
 171     m_contextData.wacSecurity.getCertificateChainListRef().push_back(
 172         collection);
 173
 174     if (data.getSignatureNumber() == 1) {
 175         m_contextData.wacSecurity.getCertificateListRef().push_back(
 176             toWidgetCertificateData(data, true));
 177         m_contextData.wacSecurity.getCertificateListRef().push_back(
 178             toWidgetCertificateData(data, false));
 179     }
 180 }
 181
 182 void TaskCertify::processAuthorSignature(const SignatureData &data)
 183 {
 184     using namespace ValidationCore;
 185     LogInfo("DNS Identity match!");
 186     // this signature is verified or widget is distributor signed
 187     m_contextData.wacSecurity.setAuthorCertificatePtr(data.getEndEntityCertificatePtr());
 188     CertificatePtr test = m_contextData.wacSecurity.getAuthorCertificatePtr();
 189
 190     m_contextData.wacSecurity.getCertificateListRef().push_back(
 191         toWidgetCertificateData(data, true));
 192     m_contextData.wacSecurity.getCertificateListRef().push_back(
 193         toWidgetCertificateData(data, false));
 194
 195     // match widget_id with one from dns identity set
 196     WacWidgetId widgetId(m_contextData.widgetConfig.configInfo.widget_id);
 197
 198     CertificatePtr cert = data.getEndEntityCertificatePtr();
 199     Assert(cert);
 200     Certificate::AltNameSet dnsIdentity = cert->getAlternativeNameDNS();
 201
 202     CertificateCollection collection;
 203     collection.load(data.getCertList());
 204     collection.sort();
 205     Assert(collection.isChain() &&
 206            "Certificate collection is not able to create chain. "
 207            "It is not possible to verify this signature.");
 208
 209     m_contextData.wacSecurity.getAuthorsCertificateChainListRef().push_back(
 210         collection);
 211
 212     FOREACH(it, dnsIdentity){
 213         if (widgetId.matchHost(*it)) {
 214             m_contextData.wacSecurity.setRecognized(true);
 215             return;
 216         }
 217     }
 218 }
 219
 220 void TaskCertify::stepSignature()
 221 {
 222     LogInfo("================ Step: <<Signature>> ENTER ===============");
 223
 224     std::string widgetPath = m_contextData.locations->getTemporaryPackageDir() +
 225         "/";
 226
 227     SignatureFileInfoSet signatureFiles;
 228     SignatureFinder signatureFinder(widgetPath);
 229     if (SignatureFinder::NO_ERROR != signatureFinder.find(signatureFiles)) {
 230         LogError("Error in Signature Finder");
 231         ThrowMsg(Exceptions::InvalidPackage,
 232                  "Error openig temporary widget directory");
 233     }
 234
 235     SignatureFileInfoSet::reverse_iterator iter = signatureFiles.rbegin();
 236     LogInfo("Number of signatures: " << signatureFiles.size());
 237
 238     bool testCertificate = false;
 239
 240     bool complianceMode = GlobalDAOReadOnly::getComplianceMode();
 241
 242     for (; iter != signatureFiles.rend(); ++iter) {
 243         LogInfo("Checking signature with id=" << iter->getFileNumber());
 244         SignatureData data(widgetPath + iter->getFileName(),
 245                            iter->getFileNumber());
 246
 247         Try {
 248             SignatureReader xml;
 249             xml.initialize(data, GlobalConfig::GetSignatureXmlSchema());
 250             xml.read(data);
 251
 252             WrtSignatureValidator::AppType appType =
 253                 WrtSignatureValidator::WAC20;
 254
 255             if (m_installContext.widgetConfig.webAppType ==
 256                 APP_TYPE_TIZENWEBAPP)
 257             {
 258                 appType = WrtSignatureValidator::TIZEN;
 259             }
 260
 261             WrtSignatureValidator::Result result;
 262
 263             WrtSignatureValidator validator(
 264                     appType,
 265                     !GlobalSettings::
 266                     OCSPTestModeEnabled(),
 267                     !GlobalSettings::
 268                     CrlTestModeEnabled(),
 269                     complianceMode);
 270
 271             result = validator.check(data, widgetPath);
 272
 273             if (m_contextData.widgetConfig.packagingType
 274                 == WrtDB::PKG_TYPE_DIRECTORY_WEB_APP)
 275             {
 276                 // In directory installation mode, the validation is skipped.
 277
 278                 result = WrtSignatureValidator::SIGNATURE_VERIFIED;
 279             }
 280
 281             if (result == WrtSignatureValidator::SIGNATURE_REVOKED) {
 282                 LogWarning("Certificate is REVOKED");
 283                 ThrowMsg(Exceptions::InvalidPackage,
 284                          "Certificate is REVOKED");
 285             }
 286
 287             if (result == WrtSignatureValidator::SIGNATURE_INVALID) {
 288                 LogWarning("Signature is INVALID");
 289                 // TODO change exception name
 290                 ThrowMsg(Exceptions::InvalidPackage,
 291                          "Invalid Package");
 292             }
 293
 294             if (data.isAuthorSignature()) {
 295                 if (result == WrtSignatureValidator::SIGNATURE_VERIFIED ||
 296                     m_contextData.wacSecurity.isDistributorSigned())
 297                 {
 298                     processAuthorSignature(data);
 299                 } else if (result ==
 300                            WrtSignatureValidator::SIGNATURE_DISREGARD)
 301                 {
 302                     continue;
 303                 }
 304             } else {
 305                 if (result == WrtSignatureValidator::SIGNATURE_DISREGARD) {
 306                     continue;
 307                 }
 308                 // now signature _must_ be verified
 309                 processDistributorSignature(data);
 310             }
 311
 312             bool developerMode = GlobalDAOReadOnly::GetDeveloperMode();
 313
 314             std::string realMEID;
 315             TapiHandle *tapiHandle = tel_init(NULL);
 316             char *meid = tel_get_misc_me_sn_sync(tapiHandle);
 317             if (meid) {
 318                 realMEID = meid;
 319                 free(meid);
 320             }
 321             tel_deinit(tapiHandle);
 322
 323             DeveloperModeValidator developerModeValidator(
 324                 complianceMode,
 325                 developerMode,
 326                 GlobalDAOReadOnly::getComplianceFakeImei(),
 327                 GlobalDAOReadOnly::getComplianceFakeMeid(),
 328                 realMEID);
 329
 330             developerModeValidator.check(data);
 331
 332             testCertificate |=
 333                 data.getStorageType().contains(CertStoreId::DEVELOPER);
 334
 335             if (testCertificate && !developerMode) {
 336                 LogError("Widget signed by test certificate, "
 337                          "but developer mode is off.");
 338                 ThrowMsg(Exceptions::InvalidPackage,
 339                          "Widget signed by test certificate, "
 340                          "but developer mode is off.");
 341             }
 342             m_contextData.widgetConfig.isTestWidget = testCertificate;
 343         } Catch(ParserSchemaException::Base) {
 344             LogError("Error occured in ParserSchema.");
 345             ReThrowMsg(Exceptions::InvalidPackage,
 346                        "Error occured in ParserSchema.");
 347         }
 348         Catch(DeveloperModeValidator::Exception::Base) {
 349             LogError("Cannot validate developer certificate.");
 350             ReThrowMsg(Exceptions::InvalidPackage,
 351                        "Cannot validate developer certificate.");
 352         }
 353     }
 354
 355     if (signatureFiles.empty()) {
 356         LogInfo("No signature files has been found.");
 357     }
 358
 359     LogInfo("================ Step: <<Signature>> DONE ================");
 360
 361     m_contextData.job->UpdateProgress(
 362         InstallerContext::INSTALL_DIGSIG_CHECK,
 363         "Widget Signature checked");
 364 }
 365
 366 void TaskCertify::createInstallPopup(PopupType type, const std::string &label)
 367 {
 368     m_contextData.job->Pause();
 369     if (m_popup) {
 370         destroyPopup();
 371     }
 372     bool ret = createPopup();
 373     if (ret) {
 374         loadPopup(type, label);
 375         showPopup();
 376     }
 377 }
 378 void TaskCertify::StepDeletePopupWin()
 379 {
 380     destroyPopup();
 381 }
 382
 383 void TaskCertify::stepWarningPopup()
 384 {
 385     LogInfo("Step:: <<Warning Popup>>");
 386     // SP-2151: If widget is not recognized (OCSP status of any of certificates
 387     //          it is signed with is not recognized) WRT must notify user that
 388     //          widget cannot be installed as a trusted application, and let the
 389     //          user decide whether it should be installed as an untrusted
 390     //          application.
 391     if (!m_contextData.wacSecurity.isDistributorSigned()) {
 392         std::string label = UNTRUSTED_WIDGET +
 393             LABEL_NEW_LINE_2 +
 394             QUESTION;
 395         createInstallPopup(PopupType::WIDGET_UNRECOGNIZED, label);
 396     }
 397 }
 398
 399 std::string TaskCertify::createAuthorWidgetInfo() const
 400 {
 401     std::string authorInfo;
 402     if (m_contextData.wacSecurity.isRecognized()) {
 403         //authorInfo += _("IDS_IM_WIDGET_RECOGNISED");
 404         authorInfo += _("WIDGET RECOGNISED");
 405     } else {
 406         //authorInfo += _("IDS_IM_WIDGET_UNRECOGNISED");
 407         authorInfo += _("WIDGET UNRECOGNISED");
 408     }
 409
 410     authorInfo += LABEL_NEW_LINE_2;
 411     ValidationCore::CertificatePtr authorCert =
 412         m_contextData.wacSecurity.getAuthorCertificatePtr();
 413     if (!!authorCert) {
 414         DPL::Optional < DPL::String > organizationName =
 415             authorCert->getOrganizationName();
 416
 417         //authorInfo += _("IDS_IM_WIDGET_AUTHOR_ORGANIZATION_NAME");
 418         authorInfo += _("AUTHOR ORGANIZATION NAME");
 419         authorInfo += LABEL_NEW_LINE;
 420
 421         if (!organizationName.IsNull()) {
 422             authorInfo += DPL::ToUTF8String(*organizationName);
 423         } else {
 424             //authorInfo += _("IDS_IM_WIDGET_ORGANIZATION_UNKNOWN");
 425             authorInfo += _("WIDGET ORGANIZATION UNKNOWN");
 426         }
 427
 428         authorInfo += LABEL_NEW_LINE_2;
 429
 430         DPL::Optional < DPL::String > countryName =
 431             authorCert->getCountryName();
 432
 433         //authorInfo += _("IDS_IM_WIDGET_COUNTRY_NAME");
 434         authorInfo += _("WIDGET COUNTRY NAME");
 435         authorInfo += LABEL_NEW_LINE;
 436
 437         if (!countryName.IsNull()) {
 438             authorInfo += DPL::ToUTF8String(*countryName);
 439         } else {
 440             //authorInfo += _("IDS_IM_WIDGET_COUNTRY_UNKNOWN");
 441             authorInfo += _("WIDGET COUNTRY UNKNOWN");
 442         }
 443     } else {
 444         authorInfo +=
 445             //_("IDS_IM_WIDGET_DOES_NOT_CONTAIN_RECOGNIZED_AUTHOR_SIGNATURE");
 446             _("Widget does not contain recognized author signature");
 447     }
 448     return authorInfo;
 449 }
 450
 451 void TaskCertify::stepAuthorInfoPopup()
 452 {
 453     LogInfo("Step:: <<Author Popup Information>>");
 454     std::string label
 455         = createAuthorWidgetInfo() + LABEL_NEW_LINE_2 + QUESTION;
 456     createInstallPopup(PopupType::WIDGET_AUTHOR_INFO, label);
 457 }
 458
 459 void TaskCertify::stepFinalize()
 460 {
 461     LogInfo("Step: <<CERTYFYING DONE>>");
 462
 463     m_contextData.job->UpdateProgress(
 464         InstallerContext::INSTALL_CERT_CHECK,
 465         "Widget Certification Check Finished");
 466 }
 467
 468 void TaskCertify::stepWarningPopupAnswer()
 469 {
 470     LogInfo("Step: <<Warning Popup Answer>>");
 471     if (false == m_contextData.wacSecurity.isDistributorSigned() &&
 472         WRT_POPUP_BUTTON_CANCEL == m_installCancel)
 473     {
 474         LogWarning("User does not agreed to install unsigned widgets!");
 475         m_installCancel = WRT_POPUP_BUTTON;
 476         destroyPopup();
 477         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 478     }
 479 }
 480
 481 void TaskCertify::stepAuthorInfoPopupAnswer()
 482 {
 483     LogInfo("Step: <<Author Info Popup Answer>>");
 484     if (WRT_POPUP_BUTTON_CANCEL == m_installCancel) {
 485         LogWarning("User does not agreed to install widget!");
 486         m_installCancel = WRT_POPUP_BUTTON;
 487         destroyPopup();
 488         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 489     }
 490 }
 491
 492 bool TaskCertify::isTizenWebApp() const
 493 {
 494     bool ret = FALSE;
 495     if (m_installContext.widgetConfig.webAppType.appType
 496         == WrtDB::AppType::APP_TYPE_TIZENWEBAPP)
 497     {
 498         ret = TRUE;
 499     }
 500
 501     return ret;
 502 }
 503
 504 void TaskCertify::stepVerifyUpdate()
 505 {
 506     LogInfo("Step: <<Check Update>>");
 507     CertificatePtr newCertificate =
 508         m_contextData.wacSecurity.getAuthorCertificatePtr();
 509     CertificatePtr oldCertificate =
 510         getOldAuthorSignerCertificate(m_installContext.widgetConfig.tzAppid);
 511
 512     if (!!newCertificate && !!oldCertificate) {
 513         if (0 != newCertificate->getBase64().compare(oldCertificate->getBase64())) {
 514             LogDebug("old widget's author signer certificate : " <<
 515                     oldCertificate->getBase64());
 516             LogDebug("new widget's author signer certificate : " <<
 517                     newCertificate->getBase64());
 518             ThrowMsg(Exceptions::InvalidPackage,
 519                     "Author signer certificates doesn't match \
 520                     between old widget and installing widget");
 521         }
 522     } else {
 523         if (!(NULL == newCertificate.Get() && NULL == oldCertificate.Get())) {
 524             ThrowMsg(Exceptions::InvalidPackage,
 525                     "Author signer certificates doesn't match \
 526                     between old widget and installing widget");
 527         }
 528     }
 529 }
 530 } //namespace WidgetInstall
 531 } //namespace Jobs
 532