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 <wrt_error.h>
  37 #include <dpl/wrt-dao-ro/global_config.h>
  38 #include "wac_widget_id.h"
  39
  40 #include <vcore/Certificate.h>
  41 #include <vcore/SignatureReader.h>
  42 #include <vcore/SignatureFinder.h>
  43 #include <vcore/WrtSignatureValidator.h>
  44 #include <vcore/DeveloperModeValidator.h>
  45 #include <dpl/utils/wrt_global_settings.h>
  46 #include <dpl/wrt-dao-ro/global_dao_read_only.h>
  47
  48 #include <ITapiModem.h>
  49 #include <tapi_common.h>
  50
  51 using namespace ValidationCore;
  52 using namespace WrtDB;
  53
  54 namespace {
  55 const std::string LABEL_NEW_LINE = "<br>";
  56 const std::string LABEL_NEW_LINE_2 = "<br><br>";
  57 const std::string UNTRUSTED_WIDGET ="It is an Untrusted Widget";
  58 const char *QUESTION ="Do you wanto to install?";
  59
  60 WidgetCertificateData toWidgetCertificateData(const SignatureData &data,
  61                                               bool root)
  62 {
  63     WidgetCertificateData result;
  64
  65     result.chainId = data.getSignatureNumber();
  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 } // namespace anonymous
  97
  98 namespace Jobs {
  99 namespace WidgetInstall {
 100 TaskCertify::TaskCertify(InstallerContext &inCont) :
 101     DPL::TaskDecl<TaskCertify>(this),
 102     m_contextData(inCont),
 103     WidgetInstallPopup(inCont)
 104 {
 105     AddStep(&TaskCertify::stepSignature);
 106
 107     // Block until fixed popup issues
 108     if (!GlobalSettings::PopupsTestModeEnabled()
 109             && !m_installContext.m_quiet && !isTizenWebApp()) {
 110         AddStep(&TaskCertify::stepWarningPopup);
 111         AddStep(&TaskCertify::stepWarningPopupAnswer);
 112         AddStep(&TaskCertify::stepAuthorInfoPopup);
 113         AddStep(&TaskCertify::stepAuthorInfoPopupAnswer);
 114         AddStep(&TaskCertify::StepDeletePopupWin);
 115     }
 116     AddStep(&TaskCertify::stepFinalize);
 117 }
 118
 119 void TaskCertify::processDistributorSignature(const SignatureData &data,
 120                                               bool first)
 121 {
 122     // this signature is verified -
 123     // no point in check domain WAC_ROOT and WAC_RECOGNIZED
 124     m_contextData.wacSecurity.setDistributorSigned(true);
 125
 126     if (data.getStorageType().contains(CertStoreId::WAC_ROOT)) {
 127         m_contextData.wacSecurity.setWacSigned(true);
 128     }
 129
 130     CertificateCollection collection;
 131     collection.load(data.getCertList());
 132     Assert(collection.sort() &&
 133             "Certificate collection can't sort");
 134
 135     Assert(collection.isChain() &&
 136            "Certificate collection is not able to create chain. "
 137            "It is not possible to verify this signature.");
 138
 139     m_contextData.wacSecurity.getCertificateChainListRef().push_back(
 140             collection);
 141
 142     if (first) {
 143         m_contextData.wacSecurity.getCertificateListRef().push_back(
 144             toWidgetCertificateData(data, true));
 145         m_contextData.wacSecurity.getCertificateListRef().push_back(
 146             toWidgetCertificateData(data, false));
 147     }
 148 }
 149
 150 void TaskCertify::processAuthorSignature(const SignatureData &data)
 151 {
 152     using namespace ValidationCore;
 153     LogInfo("DNS Identity match!");
 154     // this signature is verified or widget is distributor signed
 155     m_contextData.wacSecurity.getAuthorCertificatePtr() =
 156         data.getEndEntityCertificatePtr();
 157     m_contextData.wacSecurity.getCertificateListRef().push_back(
 158         toWidgetCertificateData(data, true));
 159     m_contextData.wacSecurity.getCertificateListRef().push_back(
 160         toWidgetCertificateData(data, false));
 161
 162     // match widget_id with one from dns identity set
 163     WacWidgetId widgetId(m_contextData.widgetConfig.configInfo.widget_id);
 164
 165     CertificatePtr cert = data.getEndEntityCertificatePtr();
 166     Assert(cert);
 167     Certificate::AltNameSet dnsIdentity = cert->getAlternativeNameDNS();
 168
 169     CertificateCollection collection;
 170     collection.load(data.getCertList());
 171     collection.sort();
 172     Assert(collection.isChain() &&
 173            "Certificate collection is not able to create chain. "
 174            "It is not possible to verify this signature.");
 175
 176     m_contextData.wacSecurity.getAuthorsCertificateChainListRef().push_back(
 177             collection);
 178
 179     FOREACH(it, dnsIdentity){
 180         if (widgetId.matchHost(*it)) {
 181             m_contextData.wacSecurity.setRecognized(true);
 182             return;
 183         }
 184     }
 185 }
 186
 187 void TaskCertify::stepSignature()
 188 {
 189     LogInfo("================ Step: <<Signature>> ENTER ===============");
 190
 191     std::string widgetPath = m_contextData.locations->getTemporaryRootDir() + "/";
 192
 193     SignatureFileInfoSet signatureFiles;
 194     SignatureFinder signatureFinder(widgetPath);
 195     if (SignatureFinder::NO_ERROR != signatureFinder.find(signatureFiles)) {
 196         LogError("Error in Signature Finder");
 197         ThrowMsg(Exceptions::InvalidPackage,
 198                  "Error openig temporary widget directory");
 199     }
 200
 201     SignatureFileInfoSet::reverse_iterator iter = signatureFiles.rbegin();
 202     LogInfo("Number of signatures: " << signatureFiles.size());
 203
 204     bool firstDistributorSignature = true;
 205     bool testCertificate = false;
 206
 207     bool complianceMode = GlobalDAOReadOnly::getComplianceMode();
 208
 209     for (; iter != signatureFiles.rend(); ++iter) {
 210         LogInfo("Checking signature with id=" << iter->getFileNumber());
 211         SignatureData data(widgetPath + iter->getFileName(),
 212                            iter->getFileNumber());
 213
 214         Try {
 215             SignatureReader xml;
 216             xml.initialize(data, GlobalConfig::GetSignatureXmlSchema());
 217             xml.read(data);
 218
 219             WrtSignatureValidator::AppType appType = WrtSignatureValidator::WAC20;
 220
 221             if (m_installContext.widgetConfig.webAppType == APP_TYPE_TIZENWEBAPP) {
 222                 appType = WrtSignatureValidator::TIZEN;
 223             }
 224
 225             WrtSignatureValidator validator(
 226                 appType,
 227                 !GlobalSettings::OCSPTestModeEnabled(),
 228                 !GlobalSettings::CrlTestModeEnabled(),
 229                 complianceMode);
 230
 231             WrtSignatureValidator::Result result =
 232                 validator.check(data, widgetPath);
 233
 234             if (result == WrtSignatureValidator::SIGNATURE_REVOKED) {
 235                 LogWarning("Certificate is REVOKED");
 236                 ThrowMsg(Exceptions::InvalidPackage,
 237                          "Certificate is REVOKED");
 238             }
 239
 240             if (result == WrtSignatureValidator::SIGNATURE_INVALID) {
 241                 LogWarning("Signature is INVALID");
 242                 // TODO change exception name
 243                 ThrowMsg(Exceptions::InvalidPackage,
 244                          "Invalid Package");
 245             }
 246
 247             if (data.isAuthorSignature()) {
 248                 if (result == WrtSignatureValidator::SIGNATURE_VERIFIED ||
 249                     m_contextData.wacSecurity.isDistributorSigned())
 250                 {
 251                     processAuthorSignature(data);
 252                 } else if (result == WrtSignatureValidator::SIGNATURE_DISREGARD) {
 253                     continue;
 254                 }
 255             } else {
 256                 if (result == WrtSignatureValidator::SIGNATURE_DISREGARD) {
 257                     continue;
 258                 }
 259                 // now signature _must_ be verified
 260                 processDistributorSignature(data, firstDistributorSignature);
 261                 firstDistributorSignature = false;
 262             }
 263
 264             bool developerMode = GlobalDAOReadOnly::GetDeveloperMode();
 265
 266             std::string realMEID;
 267             TapiHandle *tapiHandle = tel_init(NULL);
 268             char *meid = tel_get_misc_me_sn_sync(tapiHandle);
 269             if (meid)
 270             {
 271                 realMEID = meid;
 272                 free(meid);
 273             }
 274             tel_deinit(tapiHandle);
 275
 276             DeveloperModeValidator developerModeValidator(
 277                 complianceMode,
 278                 developerMode,
 279                 GlobalDAOReadOnly::getComplianceFakeImei(),
 280                 GlobalDAOReadOnly::getComplianceFakeMeid(),
 281                 realMEID);
 282
 283             developerModeValidator.check(data);
 284
 285             testCertificate |=
 286                 data.getStorageType().contains(CertStoreId::DEVELOPER);
 287
 288             if (testCertificate && !developerMode) {
 289                 LogError("Widget signed by test certificate, "
 290                          "but developer mode is off.");
 291                 ThrowMsg(Exceptions::InvalidPackage,
 292                          "Widget signed by test certificate, "
 293                          "but developer mode is off.");
 294             }
 295             m_contextData.widgetConfig.isTestWidget = testCertificate;
 296         } Catch(ParserSchemaException::Base) {
 297             LogError("Error occured in ParserSchema.");
 298             ReThrowMsg(Exceptions::InvalidPackage,
 299                        "Error occured in ParserSchema.");
 300         }
 301         Catch(DeveloperModeValidator::Exception::Base) {
 302             LogError("Cannot validate developer certificate.");
 303             ReThrowMsg(Exceptions::InvalidPackage,
 304                        "Cannot validate developer certificate.");
 305         }
 306     }
 307
 308     if (signatureFiles.empty()) {
 309         LogInfo("No signature files has been found.");
 310     }
 311
 312     LogInfo("================ Step: <<Signature>> DONE ================");
 313
 314     m_contextData.job->UpdateProgress(
 315         InstallerContext::INSTALL_DIGSIG_CHECK,
 316         "Widget Signature checked");
 317 }
 318
 319 void TaskCertify::createInstallPopup(PopupType type, const std::string &label)
 320 {
 321     m_contextData.job->Pause();
 322     if(m_popup)
 323         destroyPopup();
 324     bool ret = createPopup();
 325     if(ret)
 326     {
 327         loadPopup(type, label);
 328         showPopup();
 329     }
 330 }
 331 void TaskCertify::StepDeletePopupWin()
 332 {
 333     destroyPopup();
 334 }
 335
 336 void TaskCertify::stepWarningPopup()
 337 {
 338     LogInfo("Step:: <<Warning Popup>>");
 339     // SP-2151: If widget is not recognized (OCSP status of any of certificates
 340     //          it is signed with is not recognized) WRT must notify user that
 341     //          widget cannot be installed as a trusted application, and let the
 342     //          user decide whether it should be installed as an untrusted
 343     //          application.
 344     if (!m_contextData.wacSecurity.isDistributorSigned()) {
 345         std::string label = UNTRUSTED_WIDGET +
 346             LABEL_NEW_LINE_2 +
 347             QUESTION;
 348         createInstallPopup(PopupType::WIDGET_UNRECOGNIZED, label);
 349     }
 350 }
 351
 352 std::string TaskCertify::createAuthorWidgetInfo() const
 353 {
 354     std::string authorInfo;
 355     if (m_contextData.wacSecurity.isRecognized()) {
 356         //authorInfo += _("IDS_IM_WIDGET_RECOGNISED");
 357         authorInfo += _("WIDGET RECOGNISED");
 358     } else {
 359         //authorInfo += _("IDS_IM_WIDGET_UNRECOGNISED");
 360         authorInfo += _("WIDGET UNRECOGNISED");
 361     }
 362
 363     authorInfo += LABEL_NEW_LINE_2;
 364     ValidationCore::CertificatePtr authorCert =
 365         m_contextData.wacSecurity.getAuthorCertificatePtr();
 366     if (!!authorCert) {
 367         DPL::Optional < DPL::String > organizationName =
 368             authorCert->getOrganizationName();
 369
 370         //authorInfo += _("IDS_IM_WIDGET_AUTHOR_ORGANIZATION_NAME");
 371         authorInfo += _("AUTHOR ORGANIZATION NAME");
 372         authorInfo += LABEL_NEW_LINE;
 373
 374         if (!organizationName.IsNull()) {
 375             authorInfo += DPL::ToUTF8String(*organizationName);
 376         } else {
 377             //authorInfo += _("IDS_IM_WIDGET_ORGANIZATION_UNKNOWN");
 378             authorInfo += _("WIDGET ORGANIZATION UNKNOWN");
 379         }
 380
 381         authorInfo += LABEL_NEW_LINE_2;
 382
 383         DPL::Optional < DPL::String > countryName =
 384             authorCert->getCountryName();
 385
 386         //authorInfo += _("IDS_IM_WIDGET_COUNTRY_NAME");
 387         authorInfo += _("WIDGET COUNTRY NAME");
 388         authorInfo += LABEL_NEW_LINE;
 389
 390         if (!countryName.IsNull()) {
 391             authorInfo += DPL::ToUTF8String(*countryName);
 392         } else {
 393             //authorInfo += _("IDS_IM_WIDGET_COUNTRY_UNKNOWN");
 394             authorInfo += _("WIDGET COUNTRY UNKNOWN");
 395         }
 396     } else {
 397         authorInfo +=
 398             //_("IDS_IM_WIDGET_DOES_NOT_CONTAIN_RECOGNIZED_AUTHOR_SIGNATURE");
 399             _("Widget does not contain recognized author signature");
 400     }
 401     return authorInfo;
 402 }
 403
 404 void TaskCertify::stepAuthorInfoPopup()
 405 {
 406     LogInfo("Step:: <<Author Popup Information>>");
 407         std::string label
 408             = createAuthorWidgetInfo() + LABEL_NEW_LINE_2 + QUESTION;
 409         createInstallPopup(PopupType::WIDGET_AUTHOR_INFO, label);
 410 }
 411
 412 void TaskCertify::stepFinalize()
 413 {
 414     LogInfo("Step: <<CERTYFYING DONE>>");
 415
 416     m_contextData.job->UpdateProgress(
 417         InstallerContext::INSTALL_CERT_CHECK,
 418         "Widget Certification Check Finished");
 419 }
 420
 421
 422 void TaskCertify::stepWarningPopupAnswer()
 423 {
 424     LogInfo("Step: <<Warning Popup Answer>>");
 425     if (false == m_contextData.wacSecurity.isDistributorSigned() &&
 426             WRT_POPUP_BUTTON_CANCEL == m_installCancel)
 427     {
 428         LogWarning("User does not agreed to install unsigned widgets!");
 429         m_installCancel = WRT_POPUP_BUTTON;
 430         destroyPopup();
 431         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 432     }
 433 }
 434
 435 void TaskCertify::stepAuthorInfoPopupAnswer()
 436 {
 437     LogInfo("Step: <<Author Info Popup Answer>>");
 438     if ( WRT_POPUP_BUTTON_CANCEL == m_installCancel) {
 439         LogWarning("User does not agreed to install widget!");
 440         m_installCancel = WRT_POPUP_BUTTON;
 441         destroyPopup();
 442         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 443     }
 444 }
 445
 446 bool TaskCertify::isTizenWebApp() const
 447 {
 448     bool ret = FALSE;
 449     if (m_installContext.widgetConfig.webAppType.appType
 450             == WrtDB::AppType::APP_TYPE_TIZENWEBAPP)
 451         ret = TRUE;
 452
 453     return ret;
 454 }
 455 } //namespace WidgetInstall
 456 } //namespace Jobs
 457