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
  66     result.owner = data.isAuthorSignature() ?
  67         WidgetCertificateData::AUTHOR : WidgetCertificateData::DISTRIBUTOR;
  68
  69     result.type = root ?
  70         WidgetCertificateData::ROOT : WidgetCertificateData::ENDENTITY;
  71
  72     CertificatePtr certificate;
  73
  74     if (root) {
  75         certificate = data.getRootCaCertificatePtr();
  76     } else {
  77         certificate = data.getEndEntityCertificatePtr();
  78     }
  79
  80     Assert(certificate && !certificate->getCommonName().IsNull() &&
  81            "CommonName is Null");
  82
  83     result.strCommonName = *certificate->getCommonName();
  84
  85     result.strMD5Fingerprint = std::string("md5 ") +
  86         Certificate::FingerprintToColonHex(
  87             certificate->getFingerprint(Certificate::FINGERPRINT_MD5));
  88
  89     result.strSHA1Fingerprint = std::string("sha-1 ") +
  90         Certificate::FingerprintToColonHex(
  91             certificate->getFingerprint(Certificate::FINGERPRINT_SHA1));
  92
  93     return result;
  94 }
  95
  96 CertificatePtr getOldAuthorSignerCertificate(DPL::String appid)
  97 {
  98     WidgetDAOReadOnly dao(appid);
  99     CertificateChainList chainList = dao.getWidgetCertificate(SIGNATURE_AUTHOR);
 100
 101     FOREACH(it, chainList)
 102     {
 103         ValidationCore::CertificateCollection chain;
 104         if (false == chain.load(*it)) {
 105             LogError("Chain is broken");
 106         }
 107
 108         if (!chain.sort()) {
 109             LogError("Chain failed at sorting");
 110         }
 111
 112         ValidationCore::CertificateList list = chain.getCertificateList();
 113
 114         FOREACH(cert, list)
 115         {
 116             if (!(*cert)->isRootCert() && !(*cert)->isCA()) {
 117                 return *cert;
 118             }
 119         }
 120     }
 121     return CertificatePtr(NULL);
 122 }
 123 } // namespace anonymous
 124
 125 namespace Jobs {
 126 namespace WidgetInstall {
 127 TaskCertify::TaskCertify(InstallerContext &inCont) :
 128     DPL::TaskDecl<TaskCertify>(this),
 129     WidgetInstallPopup(inCont),
 130     m_contextData(inCont)
 131 {
 132     AddStep(&TaskCertify::stepSignature);
 133     // certi comparison determines whether the update.
 134     if (true == m_contextData.existingWidgetInfo.isExist) {
 135         AddStep(&TaskCertify::stepVerifyUpdate);
 136     }
 137
 138     // Block until fixed popup issues
 139     if (!GlobalSettings::PopupsTestModeEnabled()
 140         && !m_installContext.m_quiet && !isTizenWebApp())
 141     {
 142         AddStep(&TaskCertify::stepWarningPopup);
 143         AddStep(&TaskCertify::stepWarningPopupAnswer);
 144         AddStep(&TaskCertify::stepAuthorInfoPopup);
 145         AddStep(&TaskCertify::stepAuthorInfoPopupAnswer);
 146         AddStep(&TaskCertify::StepDeletePopupWin);
 147     }
 148     AddStep(&TaskCertify::stepFinalize);
 149 }
 150
 151 void TaskCertify::processDistributorSignature(const SignatureData &data,
 152                                               bool first)
 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 (first) {
 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->getTemporaryRootDir() +
 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 firstDistributorSignature = true;
 239     bool testCertificate = false;
 240
 241     bool complianceMode = GlobalDAOReadOnly::getComplianceMode();
 242
 243     for (; iter != signatureFiles.rend(); ++iter) {
 244         LogInfo("Checking signature with id=" << iter->getFileNumber());
 245         SignatureData data(widgetPath + iter->getFileName(),
 246                            iter->getFileNumber());
 247
 248         Try {
 249             SignatureReader xml;
 250             xml.initialize(data, GlobalConfig::GetSignatureXmlSchema());
 251             xml.read(data);
 252
 253             WrtSignatureValidator::AppType appType =
 254                 WrtSignatureValidator::WAC20;
 255
 256             if (m_installContext.widgetConfig.webAppType ==
 257                 APP_TYPE_TIZENWEBAPP)
 258             {
 259                 appType = WrtSignatureValidator::TIZEN;
 260             }
 261
 262             WrtSignatureValidator::Result result;
 263
 264             WrtSignatureValidator validator(
 265                     appType,
 266                     !GlobalSettings::
 267                     OCSPTestModeEnabled(),
 268                     !GlobalSettings::
 269                     CrlTestModeEnabled(),
 270                     complianceMode);
 271
 272             result = validator.check(data, widgetPath);
 273
 274             if (m_contextData.widgetConfig.packagingType
 275                 == WrtDB::PKG_TYPE_DIRECTORY_WEB_APP)
 276             {
 277                 // In directory installation mode, the validation is skipped.
 278
 279                 result = WrtSignatureValidator::SIGNATURE_VERIFIED;
 280             }
 281
 282             if (result == WrtSignatureValidator::SIGNATURE_REVOKED) {
 283                 LogWarning("Certificate is REVOKED");
 284                 ThrowMsg(Exceptions::InvalidPackage,
 285                          "Certificate is REVOKED");
 286             }
 287
 288             if (result == WrtSignatureValidator::SIGNATURE_INVALID) {
 289                 LogWarning("Signature is INVALID");
 290                 // TODO change exception name
 291                 ThrowMsg(Exceptions::InvalidPackage,
 292                          "Invalid Package");
 293             }
 294
 295             if (data.isAuthorSignature()) {
 296                 if (result == WrtSignatureValidator::SIGNATURE_VERIFIED ||
 297                     m_contextData.wacSecurity.isDistributorSigned())
 298                 {
 299                     processAuthorSignature(data);
 300                 } else if (result ==
 301                            WrtSignatureValidator::SIGNATURE_DISREGARD)
 302                 {
 303                     continue;
 304                 }
 305             } else {
 306                 if (result == WrtSignatureValidator::SIGNATURE_DISREGARD) {
 307                     continue;
 308                 }
 309                 // now signature _must_ be verified
 310                 processDistributorSignature(data, firstDistributorSignature);
 311                 firstDistributorSignature = false;
 312             }
 313
 314             bool developerMode = GlobalDAOReadOnly::GetDeveloperMode();
 315
 316             std::string realMEID;
 317             TapiHandle *tapiHandle = tel_init(NULL);
 318             char *meid = tel_get_misc_me_sn_sync(tapiHandle);
 319             if (meid) {
 320                 realMEID = meid;
 321                 free(meid);
 322             }
 323             tel_deinit(tapiHandle);
 324
 325             DeveloperModeValidator developerModeValidator(
 326                 complianceMode,
 327                 developerMode,
 328                 GlobalDAOReadOnly::getComplianceFakeImei(),
 329                 GlobalDAOReadOnly::getComplianceFakeMeid(),
 330                 realMEID);
 331
 332             developerModeValidator.check(data);
 333
 334             testCertificate |=
 335                 data.getStorageType().contains(CertStoreId::DEVELOPER);
 336
 337             if (testCertificate && !developerMode) {
 338                 LogError("Widget signed by test certificate, "
 339                          "but developer mode is off.");
 340                 ThrowMsg(Exceptions::InvalidPackage,
 341                          "Widget signed by test certificate, "
 342                          "but developer mode is off.");
 343             }
 344             m_contextData.widgetConfig.isTestWidget = testCertificate;
 345         } Catch(ParserSchemaException::Base) {
 346             LogError("Error occured in ParserSchema.");
 347             ReThrowMsg(Exceptions::InvalidPackage,
 348                        "Error occured in ParserSchema.");
 349         }
 350         Catch(DeveloperModeValidator::Exception::Base) {
 351             LogError("Cannot validate developer certificate.");
 352             ReThrowMsg(Exceptions::InvalidPackage,
 353                        "Cannot validate developer certificate.");
 354         }
 355     }
 356
 357     if (signatureFiles.empty()) {
 358         LogInfo("No signature files has been found.");
 359     }
 360
 361     LogInfo("================ Step: <<Signature>> DONE ================");
 362
 363     m_contextData.job->UpdateProgress(
 364         InstallerContext::INSTALL_DIGSIG_CHECK,
 365         "Widget Signature checked");
 366 }
 367
 368 void TaskCertify::createInstallPopup(PopupType type, const std::string &label)
 369 {
 370     m_contextData.job->Pause();
 371     if (m_popup) {
 372         destroyPopup();
 373     }
 374     bool ret = createPopup();
 375     if (ret) {
 376         loadPopup(type, label);
 377         showPopup();
 378     }
 379 }
 380 void TaskCertify::StepDeletePopupWin()
 381 {
 382     destroyPopup();
 383 }
 384
 385 void TaskCertify::stepWarningPopup()
 386 {
 387     LogInfo("Step:: <<Warning Popup>>");
 388     // SP-2151: If widget is not recognized (OCSP status of any of certificates
 389     //          it is signed with is not recognized) WRT must notify user that
 390     //          widget cannot be installed as a trusted application, and let the
 391     //          user decide whether it should be installed as an untrusted
 392     //          application.
 393     if (!m_contextData.wacSecurity.isDistributorSigned()) {
 394         std::string label = UNTRUSTED_WIDGET +
 395             LABEL_NEW_LINE_2 +
 396             QUESTION;
 397         createInstallPopup(PopupType::WIDGET_UNRECOGNIZED, label);
 398     }
 399 }
 400
 401 std::string TaskCertify::createAuthorWidgetInfo() const
 402 {
 403     std::string authorInfo;
 404     if (m_contextData.wacSecurity.isRecognized()) {
 405         //authorInfo += _("IDS_IM_WIDGET_RECOGNISED");
 406         authorInfo += _("WIDGET RECOGNISED");
 407     } else {
 408         //authorInfo += _("IDS_IM_WIDGET_UNRECOGNISED");
 409         authorInfo += _("WIDGET UNRECOGNISED");
 410     }
 411
 412     authorInfo += LABEL_NEW_LINE_2;
 413     ValidationCore::CertificatePtr authorCert =
 414         m_contextData.wacSecurity.getAuthorCertificatePtr();
 415     if (!!authorCert) {
 416         DPL::Optional < DPL::String > organizationName =
 417             authorCert->getOrganizationName();
 418
 419         //authorInfo += _("IDS_IM_WIDGET_AUTHOR_ORGANIZATION_NAME");
 420         authorInfo += _("AUTHOR ORGANIZATION NAME");
 421         authorInfo += LABEL_NEW_LINE;
 422
 423         if (!organizationName.IsNull()) {
 424             authorInfo += DPL::ToUTF8String(*organizationName);
 425         } else {
 426             //authorInfo += _("IDS_IM_WIDGET_ORGANIZATION_UNKNOWN");
 427             authorInfo += _("WIDGET ORGANIZATION UNKNOWN");
 428         }
 429
 430         authorInfo += LABEL_NEW_LINE_2;
 431
 432         DPL::Optional < DPL::String > countryName =
 433             authorCert->getCountryName();
 434
 435         //authorInfo += _("IDS_IM_WIDGET_COUNTRY_NAME");
 436         authorInfo += _("WIDGET COUNTRY NAME");
 437         authorInfo += LABEL_NEW_LINE;
 438
 439         if (!countryName.IsNull()) {
 440             authorInfo += DPL::ToUTF8String(*countryName);
 441         } else {
 442             //authorInfo += _("IDS_IM_WIDGET_COUNTRY_UNKNOWN");
 443             authorInfo += _("WIDGET COUNTRY UNKNOWN");
 444         }
 445     } else {
 446         authorInfo +=
 447             //_("IDS_IM_WIDGET_DOES_NOT_CONTAIN_RECOGNIZED_AUTHOR_SIGNATURE");
 448             _("Widget does not contain recognized author signature");
 449     }
 450     return authorInfo;
 451 }
 452
 453 void TaskCertify::stepAuthorInfoPopup()
 454 {
 455     LogInfo("Step:: <<Author Popup Information>>");
 456     std::string label
 457         = createAuthorWidgetInfo() + LABEL_NEW_LINE_2 + QUESTION;
 458     createInstallPopup(PopupType::WIDGET_AUTHOR_INFO, label);
 459 }
 460
 461 void TaskCertify::stepFinalize()
 462 {
 463     LogInfo("Step: <<CERTYFYING DONE>>");
 464
 465     m_contextData.job->UpdateProgress(
 466         InstallerContext::INSTALL_CERT_CHECK,
 467         "Widget Certification Check Finished");
 468 }
 469
 470 void TaskCertify::stepWarningPopupAnswer()
 471 {
 472     LogInfo("Step: <<Warning Popup Answer>>");
 473     if (false == m_contextData.wacSecurity.isDistributorSigned() &&
 474         WRT_POPUP_BUTTON_CANCEL == m_installCancel)
 475     {
 476         LogWarning("User does not agreed to install unsigned widgets!");
 477         m_installCancel = WRT_POPUP_BUTTON;
 478         destroyPopup();
 479         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 480     }
 481 }
 482
 483 void TaskCertify::stepAuthorInfoPopupAnswer()
 484 {
 485     LogInfo("Step: <<Author Info Popup Answer>>");
 486     if (WRT_POPUP_BUTTON_CANCEL == m_installCancel) {
 487         LogWarning("User does not agreed to install widget!");
 488         m_installCancel = WRT_POPUP_BUTTON;
 489         destroyPopup();
 490         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 491     }
 492 }
 493
 494 bool TaskCertify::isTizenWebApp() const
 495 {
 496     bool ret = FALSE;
 497     if (m_installContext.widgetConfig.webAppType.appType
 498         == WrtDB::AppType::APP_TYPE_TIZENWEBAPP)
 499     {
 500         ret = TRUE;
 501     }
 502
 503     return ret;
 504 }
 505
 506 void TaskCertify::stepVerifyUpdate()
 507 {
 508     LogInfo("Step: <<Check Update>>");
 509     CertificatePtr newCertificate =
 510         m_contextData.wacSecurity.getAuthorCertificatePtr();
 511     CertificatePtr oldCertificate =
 512         getOldAuthorSignerCertificate(m_installContext.widgetConfig.tzAppid);
 513
 514     if (!!newCertificate && !!oldCertificate) {
 515         if (0 != newCertificate->getBase64().compare(oldCertificate->getBase64())) {
 516             LogDebug("old widget's author signer certificate : " <<
 517                     oldCertificate->getBase64());
 518             LogDebug("new widget's author signer certificate : " <<
 519                     newCertificate->getBase64());
 520             ThrowMsg(Exceptions::InvalidPackage,
 521                     "Author signer certificates doesn't match \
 522                     between old widget and installing widget");
 523         }
 524     } else {
 525         if (!(NULL == newCertificate.Get() && NULL == oldCertificate.Get())) {
 526             ThrowMsg(Exceptions::InvalidPackage,
 527                     "Author signer certificates doesn't match \
 528                     between old widget and installing widget");
 529         }
 530     }
 531 }
 532 } //namespace WidgetInstall
 533 } //namespace Jobs
 534