constructor to create App from an installed APK
Using PackageManager and Context, this will create an App instance from the APK specified by the packageName.
This commit is contained in:
Hans-Christoph Steiner
parent
c1a6f545cf
commit
e35a6e05c7
@ -1,14 +1,26 @@
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package org.fdroid.fdroid.data;
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package org.fdroid.fdroid.data;
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import android.annotation.TargetApi;
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import android.content.ContentValues;
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import android.content.ContentValues;
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import android.content.pm.ApplicationInfo;
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import android.content.Context;
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import android.content.pm.*;
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import android.content.pm.PackageManager.NameNotFoundException;
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import android.database.Cursor;
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import android.database.Cursor;
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import android.os.Build;
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import android.text.TextUtils;
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import android.util.Log;
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import org.fdroid.fdroid.AppFilter;
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import org.fdroid.fdroid.AppFilter;
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import org.fdroid.fdroid.Utils;
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import org.fdroid.fdroid.Utils;
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import java.util.Date;
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import java.io.File;
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import java.util.List;
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import java.io.IOException;
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import java.io.InputStream;
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import java.security.cert.Certificate;
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import java.security.cert.CertificateEncodingException;
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import java.util.*;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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public class App extends ValueObject implements Comparable<App> {
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public class App extends ValueObject implements Comparable<App> {
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@ -163,6 +175,134 @@ public class App extends ValueObject implements Comparable<App> {
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}
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}
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}
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}
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/**
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* Instantiate from a locally installed package.
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*/
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@TargetApi(9)
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public App(Context context, PackageManager pm, String packageName)
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throws CertificateEncodingException, IOException, NameNotFoundException {
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ApplicationInfo appInfo;
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PackageInfo packageInfo;
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appInfo = pm.getApplicationInfo(packageName, PackageManager.GET_META_DATA);
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packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES
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| PackageManager.GET_PERMISSIONS);
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this.name = (String) appInfo.loadLabel(pm);
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this.summary = (String) appInfo.loadDescription(pm);
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this.id = appInfo.packageName;
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if (Build.VERSION.SDK_INT > 8) {
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this.added = new Date(packageInfo.firstInstallTime);
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this.lastUpdated = new Date(packageInfo.lastUpdateTime);
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} else {
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this.added = new Date(System.currentTimeMillis());
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this.lastUpdated = this.added;
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}
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this.appInfo = appInfo;
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this.apks = new ArrayList<Apk>();
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// TODO: use pm.getInstallerPackageName(packageName) for something
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File apkFile = new File(appInfo.publicSourceDir);
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Apk apk = new Apk();
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apk.version = packageInfo.versionName;
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apk.vercode = packageInfo.versionCode;
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apk.hashType = "sha256";
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apk.hash = Utils.getBinaryHash(apkFile, apk.hashType);
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apk.added = this.added;
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apk.minSdkVersion = Utils.getMinSdkVersion(context, packageName);
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apk.id = this.id;
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apk.installedFile = apkFile;
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if (packageInfo.requestedPermissions == null)
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apk.permissions = null;
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else
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apk.permissions = Utils.CommaSeparatedList.make(
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Arrays.asList(packageInfo.requestedPermissions));
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apk.apkName = apk.id + "_" + apk.vercode + ".apk";
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FeatureInfo[] features = packageInfo.reqFeatures;
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if (features != null && features.length > 0) {
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List<String> featureNames = new ArrayList<String>(features.length);
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for (int i = 0; i < features.length; i++)
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featureNames.add(features[i].name);
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apk.features = Utils.CommaSeparatedList.make(featureNames);
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}
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// Signature[] sigs = pkgInfo.signatures;
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byte[] rawCertBytes;
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JarFile apkJar = new JarFile(apkFile);
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JarEntry aSignedEntry = (JarEntry) apkJar.getEntry("AndroidManifest.xml");
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if (aSignedEntry == null) {
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apkJar.close();
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throw new CertificateEncodingException("null signed entry!");
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}
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InputStream tmpIn = apkJar.getInputStream(aSignedEntry);
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byte[] buff = new byte[2048];
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while (tmpIn.read(buff, 0, buff.length) != -1) {
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/*
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* NOP - apparently have to READ from the JarEntry before you can
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* call getCerficates() and have it return != null. Yay Java.
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*/
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}
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tmpIn.close();
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if (aSignedEntry.getCertificates() == null
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|| aSignedEntry.getCertificates().length == 0) {
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apkJar.close();
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throw new CertificateEncodingException("No Certificates found!");
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}
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Certificate signer = aSignedEntry.getCertificates()[0];
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rawCertBytes = signer.getEncoded();
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apkJar.close();
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/*
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* I don't fully understand the loop used here. I've copied it verbatim
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* from getsig.java bundled with FDroidServer. I *believe* it is taking
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* the raw byte encoding of the certificate & converting it to a byte
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* array of the hex representation of the original certificate byte
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* array. This is then MD5 sum'd. It's a really bad way to be doing this
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* if I'm right... If I'm not right, I really don't know! see lines
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* 67->75 in getsig.java bundled with Fdroidserver
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*/
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byte[] fdroidSig = new byte[rawCertBytes.length * 2];
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for (int j = 0; j < rawCertBytes.length; j++) {
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byte v = rawCertBytes[j];
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int d = (v >> 4) & 0xF;
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fdroidSig[j * 2] = (byte) (d >= 10 ? ('a' + d - 10) : ('0' + d));
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d = v & 0xF;
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fdroidSig[j * 2 + 1] = (byte) (d >= 10 ? ('a' + d - 10) : ('0' + d));
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}
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apk.sig = Utils.hashBytes(fdroidSig, "md5");
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this.apks.add(apk);
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}
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public boolean isValid() {
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if (TextUtils.isEmpty(this.name)
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|| TextUtils.isEmpty(this.id))
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return false;
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if (this.apks == null || this.apks.size() != 1)
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return false;
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Apk apk = this.apks.get(0);
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if (TextUtils.isEmpty(apk.sig))
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return false;
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File apkFile = apk.installedFile;
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if (apkFile == null || !apkFile.canRead())
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return false;
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return true;
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}
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public ContentValues toContentValues() {
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public ContentValues toContentValues() {
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ContentValues values = new ContentValues();
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ContentValues values = new ContentValues();
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@ -187,129 +187,26 @@ public class LocalRepoManager {
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}
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}
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@TargetApi(9)
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@TargetApi(9)
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public App addApp(Context context, String packageName) {
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public void addApp(Context context, String packageName) {
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// TODO this should become a constructor, i.e. public App(PackageManager pm, String id)
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App app;
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ApplicationInfo appInfo;
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PackageInfo packageInfo;
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try {
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try {
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appInfo = pm.getApplicationInfo(packageName, PackageManager.GET_META_DATA);
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app = new App(context, pm, packageName);
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packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES
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if (!app.isValid())
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| PackageManager.GET_PERMISSIONS);
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return;
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PackageInfo packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_META_DATA);
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app.icon = getIconFile(packageName, packageInfo.versionCode).getName();
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} catch (NameNotFoundException e) {
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} catch (NameNotFoundException e) {
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e.printStackTrace();
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e.printStackTrace();
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return null;
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return;
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}
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App app = new App();
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app.name = (String) appInfo.loadLabel(pm);
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app.summary = (String) appInfo.loadDescription(pm);
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app.icon = getIconFile(packageName, packageInfo.versionCode).getName();
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app.id = appInfo.packageName;
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if (Build.VERSION.SDK_INT > 8) {
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app.added = new Date(packageInfo.firstInstallTime);
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app.lastUpdated = new Date(packageInfo.lastUpdateTime);
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} else {
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app.added = new Date(System.currentTimeMillis());
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app.lastUpdated = app.added;
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}
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app.appInfo = appInfo;
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app.apks = new ArrayList<Apk>();
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// TODO: use pm.getInstallerPackageName(packageName) for something
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File apkFile = new File(appInfo.publicSourceDir);
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Apk apk = new Apk();
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apk.version = packageInfo.versionName;
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apk.vercode = packageInfo.versionCode;
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apk.hashType = "sha256";
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apk.hash = Utils.getBinaryHash(apkFile, apk.hashType);
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apk.added = app.added;
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apk.minSdkVersion = Utils.getMinSdkVersion(context, packageName);
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apk.id = app.id;
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apk.installedFile = apkFile;
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if (packageInfo.requestedPermissions == null)
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apk.permissions = null;
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else
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apk.permissions = Utils.CommaSeparatedList.make(
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Arrays.asList(packageInfo.requestedPermissions));
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apk.apkName = apk.id + "_" + apk.vercode + ".apk";
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FeatureInfo[] features = packageInfo.reqFeatures;
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if (features != null && features.length > 0) {
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List<String> featureNames = new ArrayList<String>(features.length);
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for (int i = 0; i < features.length; i++)
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featureNames.add(features[i].name);
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apk.features = Utils.CommaSeparatedList.make(featureNames);
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}
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// Signature[] sigs = pkgInfo.signatures;
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byte[] rawCertBytes;
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try {
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JarFile apkJar = new JarFile(apkFile);
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JarEntry aSignedEntry = (JarEntry) apkJar.getEntry("AndroidManifest.xml");
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if (aSignedEntry == null) {
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apkJar.close();
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return null;
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}
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InputStream tmpIn = apkJar.getInputStream(aSignedEntry);
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byte[] buff = new byte[2048];
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while (tmpIn.read(buff, 0, buff.length) != -1) {
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// NOP - apparently have to READ from the JarEntry before you
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// can call
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// getCerficates() and have it return != null. Yay Java.
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}
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tmpIn.close();
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if (aSignedEntry.getCertificates() == null
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apkJar.close();
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return null;
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}
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Certificate signer = aSignedEntry.getCertificates()[0];
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rawCertBytes = signer.getEncoded();
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apkJar.close();
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/*
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* I don't fully understand the loop used here. I've copied it
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* verbatim from getsig.java bundled with FDroidServer. I *believe*
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* it is taking the raw byte encoding of the certificate &
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* converting it to a byte array of the hex representation of the
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* original certificate byte array. This is then MD5 sum'd. It's a
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* really bad way to be doing this if I'm right... If I'm not right,
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* I really don't know! see lines 67->75 in getsig.java bundled with
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* Fdroidserver
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*/
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byte[] fdroidSig = new byte[rawCertBytes.length * 2];
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for (int j = 0; j < rawCertBytes.length; j++) {
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byte v = rawCertBytes[j];
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int d = (v >> 4) & 0xF;
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fdroidSig[j * 2] = (byte) (d >= 10 ? ('a' + d - 10) : ('0' + d));
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d = v & 0xF;
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fdroidSig[j * 2 + 1] = (byte) (d >= 10 ? ('a' + d - 10) : ('0' + d));
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}
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apk.sig = Utils.hashBytes(fdroidSig, "md5");
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} catch (CertificateEncodingException e) {
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} catch (CertificateEncodingException e) {
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return null;
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e.printStackTrace();
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return;
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} catch (IOException e) {
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} catch (IOException e) {
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return null;
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e.printStackTrace();
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return;
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}
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}
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Log.i(TAG, "apps.put: " + packageName);
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app.apks.add(apk);
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if (!validApp(app))
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return null;
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apps.put(packageName, app);
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apps.put(packageName, app);
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return app;
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}
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}
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public void removeApp(String packageName) {
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public void removeApp(String packageName) {
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@ -320,26 +217,6 @@ public class LocalRepoManager {
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return new ArrayList<String>(apps.keySet());
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return new ArrayList<String>(apps.keySet());
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}
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}
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public boolean validApp(App app) {
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if (app == null)
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return false;
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if (app.name == null || app.name.equals(""))
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return false;
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if (app.id == null | app.id.equals(""))
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return false;
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if (app.apks == null || app.apks.size() != 1)
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return false;
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File apkFile = app.apks.get(0).installedFile;
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if (apkFile == null || !apkFile.canRead())
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return false;
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return true;
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}
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public void copyIconsToRepo() {
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public void copyIconsToRepo() {
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for (App app : apps.values()) {
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for (App app : apps.values()) {
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if (app.apks.size() > 0) {
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if (app.apks.size() > 0) {
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Reference in New Issue
Block a user