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.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 {
 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::InvalidPackage,
 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::InvalidPackage,
 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::InvalidPackage,
 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                 if (result == WrtSignatureValidator::SIGNATURE_DISREGARD) {
 305                     continue;
 306                 }
 307                 // now signature _must_ be verified
 308                 processDistributorSignature(data);
 309             }
 310
 311         } Catch(ParserSchemaException::Base) {
 312             LogError("Error occured in ParserSchema.");
 313             ReThrowMsg(Exceptions::InvalidPackage,
 314                        "Error occured in ParserSchema.");
 315         }
 316     }
 317
 318     if (signatureFiles.empty()) {
 319         LogInfo("No signature files has been found.");
 320     }
 321
 322     LogInfo("================ Step: <<Signature>> DONE ================");
 323
 324     m_contextData.job->UpdateProgress(
 325         InstallerContext::INSTALL_DIGSIG_CHECK,
 326         "Widget Signature checked");
 327 }
 328
 329 void TaskCertify::createInstallPopup(PopupType type, const std::string &label)
 330 {
 331     m_contextData.job->Pause();
 332     if (m_popup) {
 333         destroyPopup();
 334     }
 335     bool ret = createPopup();
 336     if (ret) {
 337         loadPopup(type, label);
 338         showPopup();
 339     }
 340 }
 341 void TaskCertify::StepDeletePopupWin()
 342 {
 343     destroyPopup();
 344 }
 345
 346 void TaskCertify::stepWarningPopup()
 347 {
 348     LogInfo("Step:: <<Warning Popup>>");
 349     // SP-2151: If widget is not recognized (OCSP status of any of certificates
 350     //          it is signed with is not recognized) WRT must notify user that
 351     //          widget cannot be installed as a trusted application, and let the
 352     //          user decide whether it should be installed as an untrusted
 353     //          application.
 354     if (!m_contextData.wacSecurity.isDistributorSigned()) {
 355         std::string label = UNTRUSTED_WIDGET +
 356             LABEL_NEW_LINE_2 +
 357             QUESTION;
 358         createInstallPopup(PopupType::WIDGET_UNRECOGNIZED, label);
 359     }
 360 }
 361
 362 std::string TaskCertify::createAuthorWidgetInfo() const
 363 {
 364     std::string authorInfo;
 365     if (m_contextData.wacSecurity.isRecognized()) {
 366         //authorInfo += _("IDS_IM_WIDGET_RECOGNISED");
 367         authorInfo += _("WIDGET RECOGNISED");
 368     } else {
 369         //authorInfo += _("IDS_IM_WIDGET_UNRECOGNISED");
 370         authorInfo += _("WIDGET UNRECOGNISED");
 371     }
 372
 373     authorInfo += LABEL_NEW_LINE_2;
 374     ValidationCore::CertificatePtr authorCert =
 375         m_contextData.wacSecurity.getAuthorCertificatePtr();
 376     if (!!authorCert) {
 377         DPL::Optional < DPL::String > organizationName =
 378             authorCert->getOrganizationName();
 379
 380         //authorInfo += _("IDS_IM_WIDGET_AUTHOR_ORGANIZATION_NAME");
 381         authorInfo += _("AUTHOR ORGANIZATION NAME");
 382         authorInfo += LABEL_NEW_LINE;
 383
 384         if (!organizationName.IsNull()) {
 385             authorInfo += DPL::ToUTF8String(*organizationName);
 386         } else {
 387             //authorInfo += _("IDS_IM_WIDGET_ORGANIZATION_UNKNOWN");
 388             authorInfo += _("WIDGET ORGANIZATION UNKNOWN");
 389         }
 390
 391         authorInfo += LABEL_NEW_LINE_2;
 392
 393         DPL::Optional < DPL::String > countryName =
 394             authorCert->getCountryName();
 395
 396         //authorInfo += _("IDS_IM_WIDGET_COUNTRY_NAME");
 397         authorInfo += _("WIDGET COUNTRY NAME");
 398         authorInfo += LABEL_NEW_LINE;
 399
 400         if (!countryName.IsNull()) {
 401             authorInfo += DPL::ToUTF8String(*countryName);
 402         } else {
 403             //authorInfo += _("IDS_IM_WIDGET_COUNTRY_UNKNOWN");
 404             authorInfo += _("WIDGET COUNTRY UNKNOWN");
 405         }
 406     } else {
 407         authorInfo +=
 408             //_("IDS_IM_WIDGET_DOES_NOT_CONTAIN_RECOGNIZED_AUTHOR_SIGNATURE");
 409             _("Widget does not contain recognized author signature");
 410     }
 411     return authorInfo;
 412 }
 413
 414 void TaskCertify::stepAuthorInfoPopup()
 415 {
 416     LogInfo("Step:: <<Author Popup Information>>");
 417     std::string label
 418         = createAuthorWidgetInfo() + LABEL_NEW_LINE_2 + QUESTION;
 419     createInstallPopup(PopupType::WIDGET_AUTHOR_INFO, label);
 420 }
 421
 422 void TaskCertify::stepFinalize()
 423 {
 424     LogInfo("Step: <<CERTYFYING DONE>>");
 425
 426     m_contextData.job->UpdateProgress(
 427         InstallerContext::INSTALL_CERT_CHECK,
 428         "Widget Certification Check Finished");
 429 }
 430
 431 void TaskCertify::stepWarningPopupAnswer()
 432 {
 433     LogInfo("Step: <<Warning Popup Answer>>");
 434     if (false == m_contextData.wacSecurity.isDistributorSigned() &&
 435         WRT_POPUP_BUTTON_CANCEL == m_installCancel)
 436     {
 437         LogWarning("User does not agreed to install unsigned widgets!");
 438         m_installCancel = WRT_POPUP_BUTTON;
 439         destroyPopup();
 440         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 441     }
 442 }
 443
 444 void TaskCertify::stepAuthorInfoPopupAnswer()
 445 {
 446     LogInfo("Step: <<Author Info Popup Answer>>");
 447     if (WRT_POPUP_BUTTON_CANCEL == m_installCancel) {
 448         LogWarning("User does not agreed to install widget!");
 449         m_installCancel = WRT_POPUP_BUTTON;
 450         destroyPopup();
 451         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 452     }
 453 }
 454
 455 bool TaskCertify::isTizenWebApp() const
 456 {
 457     bool ret = FALSE;
 458     if (m_installContext.widgetConfig.webAppType.appType
 459         == WrtDB::AppType::APP_TYPE_TIZENWEBAPP)
 460     {
 461         ret = TRUE;
 462     }
 463
 464     return ret;
 465 }
 466
 467 void TaskCertify::stepVerifyUpdate()
 468 {
 469     LogInfo("Step: <<Check Update>>");
 470     CertificatePtr newCertificate =
 471         m_contextData.wacSecurity.getAuthorCertificatePtr();
 472     CertificatePtr oldCertificate =
 473         getOldAuthorSignerCertificate(m_installContext.widgetConfig.tzAppid);
 474
 475     if (!!newCertificate && !!oldCertificate) {
 476         if (0 != newCertificate->getBase64().compare(oldCertificate->getBase64())) {
 477             LogDebug("old widget's author signer certificate : " <<
 478                     oldCertificate->getBase64());
 479             LogDebug("new widget's author signer certificate : " <<
 480                     newCertificate->getBase64());
 481             ThrowMsg(Exceptions::InvalidPackage,
 482                     "Author signer certificates doesn't match \
 483                     between old widget and installing widget");
 484         }
 485     } else {
 486         if (!(NULL == newCertificate.Get() && NULL == oldCertificate.Get())) {
 487             ThrowMsg(Exceptions::InvalidPackage,
 488                     "Author signer certificates doesn't match \
 489                     between old widget and installing widget");
 490         }
 491     }
 492 }
 493 } //namespace WidgetInstall
 494 } //namespace Jobs
 495