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  package com.taobao.android.builder.tasks.tpatch;
  
  import com.alibaba.fastjson.JSON;
  import com.android.build.gradle.api.BaseVariantOutput;
  import com.android.build.gradle.internal.ApkDataUtils;
  import com.android.build.gradle.internal.TaskContainerAdaptor;
  import com.android.build.gradle.internal.api.ApContext;
  import com.android.build.gradle.internal.api.AppVariantContext;
  import com.android.build.gradle.internal.api.AppVariantOutputContext;
  import com.android.build.gradle.internal.incremental.FileType;
  import com.android.build.gradle.internal.incremental.InstantRunBuildContext;
  import com.android.build.gradle.internal.scope.ConventionMappingHelper;
  import com.android.build.gradle.internal.tasks.BaseTask;
  import com.android.builder.signing.DefaultSigningConfig;
  import com.android.builder.signing.SigningException;
  import com.android.utils.Pair;
  import com.intellij.util.io.ZipUtil;
  import com.taobao.android.PatchManager;
  import com.taobao.android.PatchType;
  import com.taobao.android.builder.AtlasBuildContext;
  import com.taobao.android.builder.dependency.model.AwbBundle;
  import com.taobao.android.builder.extension.TBuildType;
  import com.taobao.android.builder.insant.InstantInfo;
  import com.taobao.android.builder.tasks.manager.MtlBaseTaskAction;
  import com.taobao.android.builder.tools.BuildHelper;
  import com.taobao.android.builder.tools.MD5Util;
  import com.taobao.android.builder.tools.manifest.ManifestFileUtils;
  import com.taobao.android.builder.tools.zip.ZipUtils;
  import com.taobao.android.inputs.BaseInput;
  import com.taobao.android.inputs.DexPatchInput;
  import com.taobao.android.inputs.HotPatchInput;
  import com.taobao.android.inputs.TpatchInput;
  import com.taobao.android.object.ApkFileList;
  import com.taobao.android.object.ArtifactBundleInfo;
  import com.taobao.android.object.DiffType;
  import com.taobao.android.tpatch.model.ApkBO;
  import com.taobao.android.tpatch.model.BundleBO;
  import org.apache.commons.io.FileUtils;
  import org.apache.commons.lang.StringUtils;
  import org.dom4j.DocumentException;
  import org.gradle.api.GradleException;
  import org.gradle.api.tasks.Input;
  import org.gradle.api.tasks.OutputDirectory;
  import org.gradle.api.tasks.TaskAction;
  
  import java.io.*;
  import java.util.ArrayList;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  import java.util.concurrent.Callable;
  import java.util.function.Consumer;
  import java.util.zip.ZipEntry;
  import java.util.zip.ZipInputStream;
  import java.util.zip.ZipOutputStream;
  
  import static com.android.build.gradle.internal.api.ApContext.APK_FILE_MD5;
  
  /**
   * Dynamic deployment of the tpatch build task
   * Created by wuzhong
   */
  public class TPatchTask extends BaseTask {
  
      private TPatchContext patchContext;
  
      private DefaultSigningConfig signingConfig;
  
      private File outPatchFolder;
  
      private File instantInfoFile;
  
      private AppVariantContext appVariantContext;
  
      @TaskAction
      public void doTPatch() throws Exception {
  
          patchContext = getPatchContext();
          signingConfig = getSigningConfig();
          outPatchFolder = getOutPatchFolder();
  
          //the bundle List Copied to the outpatchFoulder
          new File(outPatchFolder, appVariantContext.bundleListCfg.getName()).delete();
          outPatchFolder.mkdirs();
          FileUtils.copyFileToDirectory(appVariantContext.bundleListCfg, outPatchFolder);
  
          // Get the container version
          String baseApkVersion = patchContext.getBaseVersionName();
          String newApkVersion = patchContext.versionName;
  
          File baseApk = patchContext.getBaseApk();
  
          File newApk = patchContext.diffApkFile;
          boolean retainMainBundleRes = true;
  
          if (null == newApk || !newApk.exists()) {
              newApk = patchContext.newApk;
              retainMainBundleRes = false;
          }
  
          getLogger().info("BaseApk:" +
                  baseApk +
                  ",baseVersion:" +
                  baseApkVersion +
                  ",newApk:" +
                  newApk +
                  ",newApkVersion:" +
                  newApkVersion);
  
          ApkBO apkBO = new ApkBO(baseApk, baseApkVersion, baseApk.getName());
          ApkBO newApkBO = new ApkBO(newApk, newApkVersion, newApk.getName());
          BaseInput baseInput = createInput(apkBO, newApkBO, retainMainBundleRes);
          if (baseInput.patchType.equals(PatchType.DEXPATCH)) {
              List<ArtifactBundleInfo> modifyBundles = new ArrayList<ArtifactBundleInfo>();
              baseInput.artifactBundleInfos.forEach(artifactBundleInfo -> {
                  if (artifactBundleInfo.getDiffType().equals(DiffType.MODIFY)) {
                      modifyBundles.add(artifactBundleInfo);
                  }
              });
              if (modifyBundles.size() > 1) {
                  throw new Exception("more than 1 bundle has changed:" + JSON.toJSONString(modifyBundles));
              }
          }
          PatchManager patchManager = new PatchManager(baseInput);
          patchManager.setLogger(getILogger());
          getLogger().info("start to do patch");
  
          patchManager.doPatch();
  
          getLogger().info("finish  do patch");
  
  
          try {
  
              FileUtils.writeStringToFile(new File(getOutPatchFolder(), "tpatch-bundles.json"),
                      JSON.toJSONString(patchContext.artifactBundleInfos));
  
  
              FileUtils.forceDelete(patchContext.newApk);
  
          } catch (Exception e) {
              throw new GradleException(e.getMessage(), e);
          }
  
      }
  
  
      private BaseInput createInput(ApkBO apkBO, ApkBO newApkBO, boolean retainMainBundleRes) throws IOException {
          TpatchInput tpatchInput = null;
          if (getProject().hasProperty("hotfix")) {
              tpatchInput = new HotPatchInput();
          } else {
              tpatchInput = new DexPatchInput();
          }
          tpatchInput.baseApkBo = apkBO;
          tpatchInput.newApkBo = newApkBO;
          tpatchInput.baseApkFileList = patchContext.getBaseApkFiles();
          tpatchInput.newApkFileList = patchContext.getNewApkFiles(appVariantContext);
          tpatchInput.outPatchDir = outPatchFolder;
          tpatchInput.productName = patchContext.appSignName;
          tpatchInput.outPutJson = new File(getOutPatchFolder(), "patchs.json");
          tpatchInput.artifactBundleInfos = patchContext.artifactBundleInfos;
          tpatchInput.diffBundleDex = true;
          tpatchInput.newPatch = patchContext.newPatch;
          tpatchInput.mainBundleName = patchContext.mainBundleName;
          tpatchInput.retainMainBundleRes = retainMainBundleRes;
          if (StringUtils.isNotBlank(patchContext.excludeFiles)) {
              tpatchInput.notIncludeFiles = (patchContext.excludeFiles.split(","));
          }
          if (apkBO.getVersionName().equals(newApkBO.getVersionName())) {
              if (tpatchInput instanceof HotPatchInput) {
                  ((HotPatchInput) tpatchInput).hotClassListFile = patchContext.hotClassListFile;
                  ((HotPatchInput) tpatchInput).patchType = PatchType.HOTFIX;
                  ((HotPatchInput) tpatchInput).excludeClasses = patchContext.excludeClasses;
  
              } else {
                  tpatchInput.patchType = PatchType.DEXPATCH;
                  ((DexPatchInput) tpatchInput).patchClasses = patchContext.patchClasses;
                  ((DexPatchInput) tpatchInput).excludeClasses = patchContext.excludeClasses;
              }
              tpatchInput.mainBundleName = "com.taobao.maindex";
          } else {
              tpatchInput.patchType = PatchType.TPATCH;
              tpatchInput.createHisPatch = true;
              tpatchInput.diffNativeSo = patchContext.diffNativeSo;
              tpatchInput.diffBundleSo = patchContext.diffBundleSo;
              tpatchInput.bundleWhiteList = appVariantContext.bundleListCfg;
              tpatchInput.createAll = StringUtils.isEmpty(patchContext.tpatchHistoryUrl);
              tpatchInput.LAST_PATCH_URL = patchContext.LAST_PATCH_URL;
              tpatchInput.hisPatchUrl = patchContext.tpatchHistoryUrl;
              if (null != patchContext.patchVersions) {
                  tpatchInput.versionList = patchContext.patchVersions;
              }
          }
          List<Pair<BundleBO, BundleBO>> remoteBundles = new ArrayList<>();
  
          //Get the remote bundle
          for (AwbBundle awbBundle : AtlasBuildContext.awbBundleMap.values()) {
              if (awbBundle.isRemote) {
  
                  File bundleFile = awbBundle.outputBundleFile;
  
                  getProject().getLogger().error("add bundle compare " + bundleFile.getAbsolutePath());
  
                  BundleBO newBundleBO = new BundleBO(awbBundle.getResolvedCoordinates().getArtifactId(), bundleFile, "");
  
                  File baseBundleFile = new File(patchContext.apExplodeFolder, "remotebundles/" + bundleFile.getName());
  
                  getProject().getLogger().error("add bundle compare base : " + baseBundleFile.getAbsolutePath());
  
                  BundleBO baseBundleBO = null;
                  if (baseBundleFile.exists()) {
  
                      getProject().getLogger().error(
                              "add bundle compare " + baseBundleFile.getAbsolutePath() + "->" + bundleFile.getAbsolutePath());
  
                      baseBundleBO = new BundleBO(awbBundle.getResolvedCoordinates().getArtifactId(), baseBundleFile, "");
                  }
                  remoteBundles.add(Pair.of(baseBundleBO, newBundleBO));
              }
          }
  
          if (remoteBundles.size() > 0) {
              tpatchInput.splitDiffBundle = remoteBundles;
          }
          return tpatchInput;
  
      }
  
      private void resignBaseApk(String baseApkVersion, ApkFileList apkFileList) throws IOException, SigningException {
          File baseVesrionApk = new File(patchContext.newApk.getParentFile(),
                  patchContext.newApk.getName()
                          .replace(".apk", "-" + baseApkVersion + ".apk"));
          FileUtils.copyFile(patchContext.getBaseApk(), baseVesrionApk);
          if (patchContext.writeBuildInfo && StringUtils.isNotEmpty(patchContext.buildId)) {
              File buildFile = new File(getOutPatchFolder(), "build.txt");
              FileUtils.writeStringToFile(buildFile,
                      patchContext.buildId +
                              "," +
                              patchContext.versionName +
                              "," +
                              apkFileList.getMainBundle().get("classes.dex"));
              if (buildFile != null && buildFile.exists()) {
                  getLogger().info("add build file to apk!");
                  BuildHelper.writeFileToApk(buildFile, baseVesrionApk, "assets/build.txt");
              }
  
              String bundleInfoFileName = "bundleInfo-" +
                      appVariantContext.getVariantConfiguration().getVersionName() + ".json";
              File bundleInfoFile = new File(appVariantContext.getScope().getGlobalScope().getOutputsDir(),
                      bundleInfoFileName);
              if (bundleInfoFile.exists()) {
                  getLogger().info("add " + bundleInfoFileName + " to apk!");
                  BuildHelper.writeFileToApk(bundleInfoFile, baseVesrionApk, "assets/" + bundleInfoFileName);
              }
  
              BuildHelper.reSign(baseVesrionApk, signingConfig);
          }
      }
  
      public File getOutPatchFolder() {
          return outPatchFolder;
      }
  
      public DefaultSigningConfig getSigningConfig() {
          return signingConfig;
      }
  
      @Input
      public TPatchContext getPatchContext() {
          return patchContext;
      }
  
      public static class ConfigAction extends MtlBaseTaskAction<TPatchTask> {
  
          private AppVariantContext appVariantContext;
  
          public ConfigAction(AppVariantContext appVariantContext,
                              BaseVariantOutput baseVariantOutputData) {
              super(appVariantContext, baseVariantOutputData);
              this.appVariantContext = appVariantContext;
          }
  
          @Override
          public String getName() {
              return scope.getTaskName("createTPatch");
          }
  
          @Override
          public Class<TPatchTask> getType() {
              return TPatchTask.class;
          }
  
          @Override
          public void execute(TPatchTask tPatchTask) {
  
              super.execute(tPatchTask);
  
              final TBuildType tBuildType = appVariantContext.getBuildType();
  
              if (null == tBuildType ||
                      null == tBuildType.getPatchConfig() ||
                      !tBuildType.getPatchConfig().isCreateTPatch()) {
                  tPatchTask.setEnabled(false);
                  return;
              }
  
  
              tPatchTask.appVariantContext = appVariantContext;
  
  
              ConventionMappingHelper.map(tPatchTask, "outPatchFolder", new Callable<File>() {
  
                  @Override
                  public File call() throws Exception {
                      return getAppVariantOutputContext().getTPatchFolder();
                  }
              });
  
              ConventionMappingHelper.map(tPatchTask,
                      "signingConfig",
                      new Callable<DefaultSigningConfig>() {
  
                          @Override
                          public DefaultSigningConfig call() throws Exception {
                              return appVariantContext.getSigningConfig();
                          }
                      });
  
              ConventionMappingHelper.map(tPatchTask, "patchContext", new Callable<TPatchContext>() {
  
                  @Override
                  public TPatchContext call() throws Exception {
  
                      TPatchContext tPatchContext = new TPatchContext();
  
                      AppVariantOutputContext appVariantOutputContext = getAppVariantOutputContext();
  
                      tPatchContext.diffApkFile = appVariantOutputContext.getDiffApk();
                      tPatchContext.newApk = appVariantOutputContext.getApkOutputFile(true);
                      tPatchContext.outPatchFolder = appVariantOutputContext.getTPatchFolder();
                      tPatchContext.manifestFile = new File(scope.getManifestProcessorTask().get(new TaskContainerAdaptor(scope.getGlobalScope().getProject().getTasks())).getManifestOutputDirectory(), "AndroidManifest.xml");
                      tPatchContext.apExplodeFolder = appVariantContext.apContext.getApExploredFolder();
                      tPatchContext.versionName = ApkDataUtils.get(baseVariantOutput).getVersionName();
                      tPatchContext.tpatchHistoryUrl = tBuildType.getPatchConfig()
                              .getTpatchHistoryUrl();
                      tPatchContext.hotClassListFile = tBuildType.getPatchConfig().getHotClassListFile();
                      tPatchContext.LAST_PATCH_URL = tBuildType.getPatchConfig().getLastPatchUrl();
                      tPatchContext.onlyBuildModifyAwb = tBuildType.getPatchConfig()
                              .getOnlyBuildModifyAwb();
                      tPatchContext.artifactBundleInfos = appVariantOutputContext.artifactBundleInfos;
                      tPatchContext.notPatchBundles = tBuildType.getPatchConfig().getNoPatchBundles();
                      tPatchContext.diffNativeSo = tBuildType.getPatchConfig().isDiffNativeSo();
                      tPatchContext.diffBundleSo = tBuildType.getPatchConfig().isDiffBundleSo();
                      tPatchContext.mainBundleName = tBuildType.getPatchConfig()
                              .getTpatchMainBundleName();
                      tPatchContext.excludeFiles = tBuildType.getPatchConfig()
                              .gettPatchNotIncludeFiles()
                              .isEmpty() ? "" : StringUtils.join(tBuildType.getPatchConfig()
                                      .gettPatchNotIncludeFiles(),
                              ",");
  
                      tPatchContext.buildId = tBuildType.getPatchConfig().getBuildId();
  
                      tPatchContext.newPatch = tBuildType.getPatchConfig().isNewPatch();
                      tPatchContext.writeBuildInfo = tBuildType.getPatchConfig()
                              .isTpatchWriteBuildInfo();
                      tPatchContext.diffBundleDex = tBuildType.getPatchConfig()
                              .isOnlyIncrementInAwb();
                      tPatchContext.diffMainDex = tBuildType.getPatchConfig()
                              .isOnlyIncrementInMain();
                      tPatchContext.excludeClasses = tBuildType.getPatchConfig()
                              .getExcludeClasses();
  
                      tPatchContext.patchClasses = tBuildType.getPatchConfig()
                              .getPatchClasses();
  
                      tPatchContext.appSignName = tBuildType.getPatchConfig().getAppSignName();
  
                      tPatchContext.patchVersions = tBuildType.getPatchConfig().getPatchVersions();
  
                      return tPatchContext;
                  }
              });
          }
      }
  
      public static class TPatchContext implements Serializable {
  
          public File diffApkFile;
  
          public File newApk;
  
          public File outPatchFolder;
  
          public File manifestFile;
  
          public File apExplodeFolder;
  
          public String versionName;
  
          public String tpatchHistoryUrl;
  
          public String LAST_PATCH_URL;
  
          public Boolean onlyBuildModifyAwb;
  
          public String notPatchBundles;
  
          public String buildId;
  
          public boolean newPatch = true;
  
          public boolean diffNativeSo;
  
          public boolean writeBuildInfo;
  
          /**
           * Decide whether to diff the bundle's dex file
           */
          public boolean diffBundleDex;
  
  
          public Set<String> excludeClasses;
  
          public boolean diffMainDex;
  
          //    @Parameter(property = "android.patch.mainBundleName", defaultValue = "libcom_taobao_maindex")
          public String mainBundleName;
  
          public List<String> patchVersions;
  
          public Set<ArtifactBundleInfo> artifactBundleInfos;
  
          public Set<String> patchClasses = new HashSet<>();
  
          /**
           * patchDirectories that need to be excluded
           */
          public String excludeFiles;
  
          public String appSignName;
  
          public File hotClassListFile;
  
          public boolean diffBundleSo;
  
          public File getNewApkFiles(AppVariantContext appVariantContext) throws IOException {
              ApkFileList apkFileList = appVariantContext.getApkFiles().finalApkFileList;
              File apkFiles = new File(outPatchFolder.getParentFile(), APK_FILE_MD5);
              FileUtils.writeStringToFile(apkFiles, JSON.toJSONString(apkFileList));
              return apkFiles;
          }
  
          public File getBaseApk() {
              File apkFile = new File(apExplodeFolder, ApContext.AP_INLINE_APK_FILENAME);
              return apkFile;
          }
  
          public File getBaseApkFiles() {
              File apkFileList = new File(apExplodeFolder, APK_FILE_MD5);
              return apkFileList;
          }
  
          public String getBaseVersionName() throws IOException, DocumentException {
              File apManifestFile = new File(apExplodeFolder, "AndroidManifest.xml");
              String baseVersionName = ManifestFileUtils.getVersionName(apManifestFile);
              return baseVersionName;
          }
      }
  
      public static void zipPatch(File file, File dexFile) throws IOException {
          if (!file.exists())
              file.createNewFile();
          BufferedInputStream inputStream = new BufferedInputStream(new FileInputStream(dexFile));
          byte[] BUFFER = new byte[4096];
          FileOutputStream fOutputStream = new FileOutputStream(file);
          ZipOutputStream zoutput = new ZipOutputStream(fOutputStream);
          ZipEntry zEntry = new ZipEntry(dexFile.getName());
          zoutput.putNextEntry(zEntry);
          int len;
          while ((len = inputStream.read(BUFFER)) > 0) {
              zoutput.write(BUFFER, 0, len);
          }
          zoutput.closeEntry();
          zoutput.close();
          inputStream.close();
      }
  
  }
  