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 <dpl/utils/wrt_global_settings.h>
  44 #include <dpl/wrt-dao-ro/global_dao_read_only.h>
  45
  46 #include <ITapiModem.h>
  47 #include <tapi_common.h>
  48
  49 using namespace ValidationCore;
  50 using namespace WrtDB;
  51
  52 namespace {
  53 const std::string LABEL_NEW_LINE = "<br>";
  54 const std::string LABEL_NEW_LINE_2 = "<br><br>";
  55 const std::string UNTRUSTED_WIDGET = "It is an Untrusted Widget";
  56 const char *QUESTION = "Do you wanto to install?";
  57
  58 WidgetCertificateData toWidgetCertificateData(const SignatureData &data,
  59                                               bool root)
  60 {
  61     WidgetCertificateData result;
  62
  63     result.chainId = data.getSignatureNumber();
  64     LogDebug("result.chainId : " << result.chainId);
  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.isUpdateMode) {
 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 {
 153     // this signature is verified -
 154     // no point in check domain WAC_ROOT and WAC_RECOGNIZED
 155     m_contextData.wacSecurity.setDistributorSigned(true);
 156
 157     CertificateCollection collection;
 158     collection.load(data.getCertList());
 159     Assert(collection.sort() &&
 160            "Certificate collection can't sort");
 161
 162     Assert(collection.isChain() &&
 163            "Certificate collection is not able to create chain. "
 164            "It is not possible to verify this signature.");
 165
 166     m_contextData.wacSecurity.getCertificateChainListRef().push_back(
 167         collection);
 168
 169     if (data.getSignatureNumber() == 1) {
 170         m_contextData.wacSecurity.getCertificateListRef().push_back(
 171             toWidgetCertificateData(data, true));
 172         m_contextData.wacSecurity.getCertificateListRef().push_back(
 173             toWidgetCertificateData(data, false));
 174     }
 175 }
 176
 177 void TaskCertify::processAuthorSignature(const SignatureData &data)
 178 {
 179     using namespace ValidationCore;
 180     LogInfo("DNS Identity match!");
 181     // this signature is verified or widget is distributor signed
 182     m_contextData.wacSecurity.setAuthorCertificatePtr(data.getEndEntityCertificatePtr());
 183     CertificatePtr test = m_contextData.wacSecurity.getAuthorCertificatePtr();
 184
 185     m_contextData.wacSecurity.getCertificateListRef().push_back(
 186         toWidgetCertificateData(data, true));
 187     m_contextData.wacSecurity.getCertificateListRef().push_back(
 188         toWidgetCertificateData(data, false));
 189
 190     // match widget_id with one from dns identity set
 191     WacWidgetId widgetId(m_contextData.widgetConfig.configInfo.widget_id);
 192
 193     CertificatePtr cert = data.getEndEntityCertificatePtr();
 194     Assert(cert);
 195     Certificate::AltNameSet dnsIdentity = cert->getAlternativeNameDNS();
 196
 197     CertificateCollection collection;
 198     collection.load(data.getCertList());
 199     collection.sort();
 200     Assert(collection.isChain() &&
 201            "Certificate collection is not able to create chain. "
 202            "It is not possible to verify this signature.");
 203
 204     m_contextData.wacSecurity.getAuthorsCertificateChainListRef().push_back(
 205         collection);
 206
 207     FOREACH(it, dnsIdentity){
 208         if (widgetId.matchHost(*it)) {
 209             m_contextData.wacSecurity.setRecognized(true);
 210             return;
 211         }
 212     }
 213 }
 214
 215 void TaskCertify::stepSignature()
 216 {
 217     LogInfo("================ Step: <<Signature>> ENTER ===============");
 218
 219     std::string widgetPath;
 220     if (m_contextData.widgetConfig.packagingType ==
 221         WrtDB::PKG_TYPE_DIRECTORY_WEB_APP)
 222     {
 223         widgetPath = m_contextData.locations->getSourceDir() + "/";
 224     } else {
 225         widgetPath = m_contextData.locations->getTemporaryPackageDir() + "/";
 226     }
 227
 228     SignatureFileInfoSet signatureFiles;
 229     SignatureFinder signatureFinder(widgetPath);
 230     if (SignatureFinder::NO_ERROR != signatureFinder.find(signatureFiles)) {
 231         LogError("Error in Signature Finder");
 232         ThrowMsg(Exceptions::SignatureNotFound,
 233                  "Error openig temporary widget directory");
 234     }
 235
 236     SignatureFileInfoSet::reverse_iterator iter = signatureFiles.rbegin();
 237     LogInfo("Number of signatures: " << signatureFiles.size());
 238
 239     bool complianceMode = GlobalDAOReadOnly::getComplianceMode();
 240
 241     for (; iter != signatureFiles.rend(); ++iter) {
 242         LogInfo("Checking signature with id=" << iter->getFileNumber());
 243         SignatureData data(widgetPath + iter->getFileName(),
 244                            iter->getFileNumber());
 245
 246         Try {
 247             SignatureReader xml;
 248             xml.initialize(data, GlobalConfig::GetSignatureXmlSchema());
 249             xml.read(data);
 250
 251             WrtSignatureValidator::AppType appType =
 252                 WrtSignatureValidator::WAC20;
 253
 254             if (m_installContext.widgetConfig.webAppType ==
 255                 APP_TYPE_TIZENWEBAPP)
 256             {
 257                 appType = WrtSignatureValidator::TIZEN;
 258             }
 259
 260             WrtSignatureValidator::Result result;
 261
 262             WrtSignatureValidator validator(
 263                     appType,
 264                     !GlobalSettings::
 265                     OCSPTestModeEnabled(),
 266                     !GlobalSettings::
 267                     CrlTestModeEnabled(),
 268                     complianceMode);
 269
 270             result = validator.check(data, widgetPath);
 271
 272             if (m_contextData.widgetConfig.packagingType
 273                 == WrtDB::PKG_TYPE_DIRECTORY_WEB_APP)
 274             {
 275                 // In directory installation mode, the validation is skipped.
 276
 277                 result = WrtSignatureValidator::SIGNATURE_VERIFIED;
 278             }
 279
 280             if (result == WrtSignatureValidator::SIGNATURE_REVOKED) {
 281                 LogWarning("Certificate is REVOKED");
 282                 ThrowMsg(Exceptions::CertificateExpired,
 283                          "Certificate is REVOKED");
 284             }
 285
 286             if (result == WrtSignatureValidator::SIGNATURE_INVALID) {
 287                 LogWarning("Signature is INVALID");
 288                 // TODO change exception name
 289                 ThrowMsg(Exceptions::SignatureInvalid,
 290                          "Invalid Package");
 291             }
 292
 293             if (data.isAuthorSignature()) {
 294                 if (result == WrtSignatureValidator::SIGNATURE_VERIFIED ||
 295                     m_contextData.wacSecurity.isDistributorSigned())
 296                 {
 297                     processAuthorSignature(data);
 298                 } else if (result ==
 299                            WrtSignatureValidator::SIGNATURE_DISREGARD)
 300                 {
 301                     continue;
 302                 }
 303             } else {
 304                 // now signature _must_ be verified
 305                 processDistributorSignature(data);
 306             }
 307         } Catch(ParserSchemaException::Base) {
 308             LogError("Error occured in ParserSchema.");
 309             ReThrowMsg(Exceptions::SignatureInvalid,
 310                        "Error occured in ParserSchema.");
 311         }
 312     }
 313
 314     if (signatureFiles.empty()) {
 315         LogInfo("No signature files has been found.");
 316     }
 317
 318     LogInfo("================ Step: <<Signature>> DONE ================");
 319
 320     m_contextData.job->UpdateProgress(
 321         InstallerContext::INSTALL_DIGSIG_CHECK,
 322         "Widget Signature checked");
 323 }
 324
 325 void TaskCertify::createInstallPopup(PopupType type, const std::string &label)
 326 {
 327     m_contextData.job->Pause();
 328     if (m_popup) {
 329         destroyPopup();
 330     }
 331     bool ret = createPopup();
 332     if (ret) {
 333         loadPopup(type, label);
 334         showPopup();
 335     }
 336 }
 337 void TaskCertify::StepDeletePopupWin()
 338 {
 339     destroyPopup();
 340 }
 341
 342 void TaskCertify::stepWarningPopup()
 343 {
 344     LogInfo("Step:: <<Warning Popup>>");
 345     // SP-2151: If widget is not recognized (OCSP status of any of certificates
 346     //          it is signed with is not recognized) WRT must notify user that
 347     //          widget cannot be installed as a trusted application, and let the
 348     //          user decide whether it should be installed as an untrusted
 349     //          application.
 350     if (!m_contextData.wacSecurity.isDistributorSigned()) {
 351         std::string label = UNTRUSTED_WIDGET +
 352             LABEL_NEW_LINE_2 +
 353             QUESTION;
 354         createInstallPopup(PopupType::WIDGET_UNRECOGNIZED, label);
 355     }
 356 }
 357
 358 std::string TaskCertify::createAuthorWidgetInfo() const
 359 {
 360     std::string authorInfo;
 361     if (m_contextData.wacSecurity.isRecognized()) {
 362         //authorInfo += _("IDS_IM_WIDGET_RECOGNISED");
 363         authorInfo += _("WIDGET RECOGNISED");
 364     } else {
 365         //authorInfo += _("IDS_IM_WIDGET_UNRECOGNISED");
 366         authorInfo += _("WIDGET UNRECOGNISED");
 367     }
 368
 369     authorInfo += LABEL_NEW_LINE_2;
 370     ValidationCore::CertificatePtr authorCert =
 371         m_contextData.wacSecurity.getAuthorCertificatePtr();
 372     if (!!authorCert) {
 373         DPL::Optional < DPL::String > organizationName =
 374             authorCert->getOrganizationName();
 375
 376         //authorInfo += _("IDS_IM_WIDGET_AUTHOR_ORGANIZATION_NAME");
 377         authorInfo += _("AUTHOR ORGANIZATION NAME");
 378         authorInfo += LABEL_NEW_LINE;
 379
 380         if (!organizationName.IsNull()) {
 381             authorInfo += DPL::ToUTF8String(*organizationName);
 382         } else {
 383             //authorInfo += _("IDS_IM_WIDGET_ORGANIZATION_UNKNOWN");
 384             authorInfo += _("WIDGET ORGANIZATION UNKNOWN");
 385         }
 386
 387         authorInfo += LABEL_NEW_LINE_2;
 388
 389         DPL::Optional < DPL::String > countryName =
 390             authorCert->getCountryName();
 391
 392         //authorInfo += _("IDS_IM_WIDGET_COUNTRY_NAME");
 393         authorInfo += _("WIDGET COUNTRY NAME");
 394         authorInfo += LABEL_NEW_LINE;
 395
 396         if (!countryName.IsNull()) {
 397             authorInfo += DPL::ToUTF8String(*countryName);
 398         } else {
 399             //authorInfo += _("IDS_IM_WIDGET_COUNTRY_UNKNOWN");
 400             authorInfo += _("WIDGET COUNTRY UNKNOWN");
 401         }
 402     } else {
 403         authorInfo +=
 404             //_("IDS_IM_WIDGET_DOES_NOT_CONTAIN_RECOGNIZED_AUTHOR_SIGNATURE");
 405             _("Widget does not contain recognized author signature");
 406     }
 407     return authorInfo;
 408 }
 409
 410 void TaskCertify::stepAuthorInfoPopup()
 411 {
 412     LogInfo("Step:: <<Author Popup Information>>");
 413     std::string label
 414         = createAuthorWidgetInfo() + LABEL_NEW_LINE_2 + QUESTION;
 415     createInstallPopup(PopupType::WIDGET_AUTHOR_INFO, label);
 416 }
 417
 418 void TaskCertify::stepFinalize()
 419 {
 420     LogInfo("Step: <<CERTYFYING DONE>>");
 421
 422     m_contextData.job->UpdateProgress(
 423         InstallerContext::INSTALL_CERT_CHECK,
 424         "Widget Certification Check Finished");
 425 }
 426
 427 void TaskCertify::stepWarningPopupAnswer()
 428 {
 429     LogInfo("Step: <<Warning Popup Answer>>");
 430     if (false == m_contextData.wacSecurity.isDistributorSigned() &&
 431         WRT_POPUP_BUTTON_CANCEL == m_installCancel)
 432     {
 433         LogWarning("User does not agreed to install unsigned widgets!");
 434         m_installCancel = WRT_POPUP_BUTTON;
 435         destroyPopup();
 436         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 437     }
 438 }
 439
 440 void TaskCertify::stepAuthorInfoPopupAnswer()
 441 {
 442     LogInfo("Step: <<Author Info Popup Answer>>");
 443     if (WRT_POPUP_BUTTON_CANCEL == m_installCancel) {
 444         LogWarning("User does not agreed to install widget!");
 445         m_installCancel = WRT_POPUP_BUTTON;
 446         destroyPopup();
 447         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 448     }
 449 }
 450
 451 bool TaskCertify::isTizenWebApp() const
 452 {
 453     bool ret = FALSE;
 454     if (m_installContext.widgetConfig.webAppType.appType
 455         == WrtDB::AppType::APP_TYPE_TIZENWEBAPP)
 456     {
 457         ret = TRUE;
 458     }
 459
 460     return ret;
 461 }
 462
 463 void TaskCertify::stepVerifyUpdate()
 464 {
 465     LogInfo("Step: <<Check Update>>");
 466     CertificatePtr newCertificate =
 467         m_contextData.wacSecurity.getAuthorCertificatePtr();
 468     CertificatePtr oldCertificate =
 469         getOldAuthorSignerCertificate(m_installContext.widgetConfig.tzAppid);
 470
 471     if (!!newCertificate && !!oldCertificate) {
 472         if (0 != newCertificate->getBase64().compare(oldCertificate->getBase64())) {
 473             LogDebug("old widget's author signer certificate : " <<
 474                     oldCertificate->getBase64());
 475             LogDebug("new widget's author signer certificate : " <<
 476                     newCertificate->getBase64());
 477             ThrowMsg(Exceptions::NotMatchedCertification,
 478                     "Author signer certificates doesn't match \
 479                     between old widget and installing widget");
 480         }
 481     } else {
 482         if (!(NULL == newCertificate.Get() && NULL == oldCertificate.Get())) {
 483             ThrowMsg(Exceptions::NotMatchedCertification,
 484                     "Author signer certificates doesn't match \
 485                     between old widget and installing widget");
 486         }
 487     }
 488 }
 489 } //namespace WidgetInstall
 490 } //namespace Jobs
 491