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/SignatureReader.h>
  41 #include <vcore/SignatureFinder.h>
  42 #include <vcore/SignatureValidator.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         SignatureValidator::FingerprintToColonHex(
  87             certificate->getFingerprint(Certificate::FINGERPRINT_MD5));
  88
  89     result.strSHA1Fingerprint = std::string("sha-1 ") +
  90         SignatureValidator::FingerprintToColonHex(
  91             certificate->getFingerprint(Certificate::FINGERPRINT_SHA1));
  92
  93     return result;
  94 }
  95 } // namespace anonymous
  96
  97 namespace Jobs {
  98 namespace WidgetInstall {
  99 TaskCertify::TaskCertify(InstallerContext &inCont) :
 100     DPL::TaskDecl<TaskCertify>(this),
 101     m_contextData(inCont),
 102     WidgetInstallPopup(inCont)
 103 {
 104     /* This is temporary comment for certi error
 105        After security-server, cert-svc release, should remove comment
 106     AddStep(&TaskCertify::stepSignature);
 107     */
 108
 109     // Block until fixed popup issues
 110     if (!GlobalSettings::PopupsTestModeEnabled()
 111             && !m_installContext.m_quiet && !isTizenWebApp()) {
 112         AddStep(&TaskCertify::stepWarningPopup);
 113         AddStep(&TaskCertify::stepWarningPopupAnswer);
 114         AddStep(&TaskCertify::stepAuthorInfoPopup);
 115         AddStep(&TaskCertify::stepAuthorInfoPopupAnswer);
 116         AddStep(&TaskCertify::StepDeletePopupWin);
 117     }
 118     AddStep(&TaskCertify::stepFinalize);
 119 }
 120
 121 void TaskCertify::processDistributorSignature(const SignatureData &data,
 122                                               bool first)
 123 {
 124     // this signature is verified -
 125     // no point in check domain WAC_ROOT and WAC_RECOGNIZED
 126     m_contextData.wacSecurity.setDistributorSigned(true);
 127
 128     if (data.getStorageType().contains(CertStoreId::WAC_ROOT)) {
 129         m_contextData.wacSecurity.setWacSigned(true);
 130     }
 131
 132     CertificateCollection collection;
 133     collection.load(data.getCertList());
 134     collection.sort();
 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("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("No 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             SignatureValidator validator(!GlobalSettings::OCSPTestModeEnabled(),
 220                                          !GlobalSettings::CrlTestModeEnabled(),
 221                                          complianceMode);
 222             SignatureValidator::Result result =
 223                 validator.check(data, widgetPath);
 224
 225             if (result == SignatureValidator::SIGNATURE_REVOKED) {
 226                 LogWarning("Certificate is REVOKED");
 227                 ThrowMsg(Exceptions::InvalidPackage,
 228                          "Certificate is REVOKED");
 229             }
 230
 231             if (result == SignatureValidator::SIGNATURE_INVALID) {
 232                 LogWarning("Signature is INVALID");
 233                 // TODO change exception name
 234                 ThrowMsg(Exceptions::InvalidPackage,
 235                          "Invalid Package");
 236             }
 237
 238             if (data.isAuthorSignature()) {
 239                 if (result == SignatureValidator::SIGNATURE_VERIFIED ||
 240                     m_contextData.wacSecurity.isDistributorSigned())
 241                 {
 242                     processAuthorSignature(data);
 243                 } else if (result == SignatureValidator::SIGNATURE_DISREGARD) {
 244                     continue;
 245                 }
 246             } else {
 247                 if (result == SignatureValidator::SIGNATURE_DISREGARD) {
 248                     continue;
 249                 }
 250                 // now signature _must_ be verified
 251                 processDistributorSignature(data, firstDistributorSignature);
 252                 firstDistributorSignature = false;
 253             }
 254
 255             bool developerMode = GlobalDAOReadOnly::GetDeveloperMode();
 256
 257             std::string realMEID;
 258             TapiHandle *tapiHandle = tel_init(NULL);
 259             char *meid = tel_get_misc_me_sn_sync(tapiHandle);
 260             if (meid)
 261             {
 262                 realMEID = meid;
 263                 free(meid);
 264             }
 265             tel_deinit(tapiHandle);
 266
 267             DeveloperModeValidator developerModeValidator(
 268                 complianceMode,
 269                 developerMode,
 270                 GlobalDAOReadOnly::getComplianceFakeImei(),
 271                 GlobalDAOReadOnly::getComplianceFakeMeid(),
 272                 realMEID);
 273
 274             developerModeValidator.check(data);
 275
 276             testCertificate |=
 277                 data.getStorageType().contains(CertStoreId::DEVELOPER);
 278
 279             if (testCertificate && !developerMode) {
 280                 LogError("Widget signed by test certificate, "
 281                          "but developer mode is off.");
 282                 ThrowMsg(Exceptions::InvalidPackage,
 283                          "Widget signed by test certificate, "
 284                          "but developer mode is off.");
 285             }
 286             m_contextData.widgetConfig.isTestWidget = testCertificate;
 287         } Catch(ParserSchemaException::Base) {
 288             LogError("Error occured in ParserSchema.");
 289             ReThrowMsg(Exceptions::InvalidPackage,
 290                        "Error occured in ParserSchema.");
 291         }
 292         Catch(DeveloperModeValidator::Exception::Base) {
 293             LogError("Cannot validate developer certificate.");
 294             ReThrowMsg(Exceptions::InvalidPackage,
 295                        "Cannot validate developer certificate.");
 296         }
 297     }
 298
 299     if (signatureFiles.empty()) {
 300         LogInfo("No signature files has been found.");
 301     }
 302
 303     LogInfo("================ Step: <<CSignature>> DONE ================");
 304
 305     m_contextData.job->UpdateProgress(
 306         InstallerContext::INSTALL_DIGSIG_CHECK,
 307         "Widget Signature checked");
 308 }
 309
 310 void TaskCertify::createInstallPopup(PopupType type, const std::string &label)
 311 {
 312     m_contextData.job->Pause();
 313     if(m_popup)
 314         destroyPopup();
 315     bool ret = createPopup();
 316     if(ret)
 317     {
 318         loadPopup(type, label);
 319         showPopup();
 320     }
 321 }
 322 void TaskCertify::StepDeletePopupWin()
 323 {
 324     destroyPopup();
 325 }
 326
 327 void TaskCertify::stepWarningPopup()
 328 {
 329     LogInfo("Step:: <<Warning Popup>>");
 330     // SP-2151: If widget is not recognized (OCSP status of any of certificates
 331     //          it is signed with is not recognized) WRT must notify user that
 332     //          widget cannot be installed as a trusted application, and let the
 333     //          user decide whether it should be installed as an untrusted
 334     //          application.
 335     if (!m_contextData.wacSecurity.isDistributorSigned()) {
 336         std::string label = UNTRUSTED_WIDGET +
 337             LABEL_NEW_LINE_2 +
 338             QUESTION;
 339         createInstallPopup(PopupType::WIDGET_UNRECOGNIZED, label);
 340     }
 341 }
 342
 343 std::string TaskCertify::createAuthorWidgetInfo() const
 344 {
 345     std::string authorInfo;
 346     if (m_contextData.wacSecurity.isRecognized()) {
 347         //authorInfo += _("IDS_IM_WIDGET_RECOGNISED");
 348         authorInfo += _("WIDGET RECOGNISED");
 349     } else {
 350         //authorInfo += _("IDS_IM_WIDGET_UNRECOGNISED");
 351         authorInfo += _("WIDGET UNRECOGNISED");
 352     }
 353
 354     authorInfo += LABEL_NEW_LINE_2;
 355     ValidationCore::CertificatePtr authorCert =
 356         m_contextData.wacSecurity.getAuthorCertificatePtr();
 357     if (!!authorCert) {
 358         DPL::Optional < DPL::String > organizationName =
 359             authorCert->getOrganizationName();
 360
 361         //authorInfo += _("IDS_IM_WIDGET_AUTHOR_ORGANIZATION_NAME");
 362         authorInfo += _("AUTHOR ORGANIZATION NAME");
 363         authorInfo += LABEL_NEW_LINE;
 364
 365         if (!organizationName.IsNull()) {
 366             authorInfo += DPL::ToUTF8String(*organizationName);
 367         } else {
 368             //authorInfo += _("IDS_IM_WIDGET_ORGANIZATION_UNKNOWN");
 369             authorInfo += _("WIDGET ORGANIZATION UNKNOWN");
 370         }
 371
 372         authorInfo += LABEL_NEW_LINE_2;
 373
 374         DPL::Optional < DPL::String > countryName =
 375             authorCert->getCountryName();
 376
 377         //authorInfo += _("IDS_IM_WIDGET_COUNTRY_NAME");
 378         authorInfo += _("WIDGET COUNTRY NAME");
 379         authorInfo += LABEL_NEW_LINE;
 380
 381         if (!countryName.IsNull()) {
 382             authorInfo += DPL::ToUTF8String(*countryName);
 383         } else {
 384             //authorInfo += _("IDS_IM_WIDGET_COUNTRY_UNKNOWN");
 385             authorInfo += _("WIDGET COUNTRY UNKNOWN");
 386         }
 387     } else {
 388         authorInfo +=
 389             //_("IDS_IM_WIDGET_DOES_NOT_CONTAIN_RECOGNIZED_AUTHOR_SIGNATURE");
 390             _("Widget does not contain recognized author signature");
 391     }
 392     return authorInfo;
 393 }
 394
 395 void TaskCertify::stepAuthorInfoPopup()
 396 {
 397     LogInfo("Step:: <<Author Popup Information>>");
 398         std::string label
 399             = createAuthorWidgetInfo() + LABEL_NEW_LINE_2 + QUESTION;
 400         createInstallPopup(PopupType::WIDGET_AUTHOR_INFO, label);
 401 }
 402
 403 void TaskCertify::stepFinalize()
 404 {
 405     LogInfo("Step: <<CERTYFYING DONE>>");
 406
 407     m_contextData.job->UpdateProgress(
 408         InstallerContext::INSTALL_CERT_CHECK,
 409         "Widget Certification Check Finished");
 410 }
 411
 412
 413 void TaskCertify::stepWarningPopupAnswer()
 414 {
 415     LogInfo("Step: <<Warning Popup Answer>>");
 416     if (false == m_contextData.wacSecurity.isDistributorSigned() &&
 417             WRT_POPUP_BUTTON_CANCEL == m_installCancel)
 418     {
 419         LogWarning("User does not agreed to install unsigned widgets!");
 420         m_installCancel = WRT_POPUP_BUTTON;
 421         destroyPopup();
 422         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 423     }
 424 }
 425
 426 void TaskCertify::stepAuthorInfoPopupAnswer()
 427 {
 428     LogInfo("Step: <<Author Info Popup Answer>>");
 429     if ( WRT_POPUP_BUTTON_CANCEL == m_installCancel) {
 430         LogWarning("User does not agreed to install widget!");
 431         m_installCancel = WRT_POPUP_BUTTON;
 432         destroyPopup();
 433         ThrowMsg(Exceptions::NotAllowed, "Widget not allowed");
 434     }
 435 }
 436
 437 bool TaskCertify::isTizenWebApp() const
 438 {
 439     bool ret = FALSE;
 440     if (m_installContext.widgetConfig.type.appType
 441             == WrtDB::AppType::APP_TYPE_TIZENWEBAPP)
 442         ret = TRUE;
 443
 444     return ret;
 445 }
 446 } //namespace WidgetInstall
 447 } //namespace Jobs
 448