private void saveSignatures(PackageInfo pkgInfo) {
if (pkgInfo != null && pkgInfo.signatures != null) {
int i = 0;
for (Signature signature : pkgInfo.signatures) {
File file =
new File(PluginDirHelper.getPluginSignatureFile(mContext, pkgInfo.packageName, i));
try {
Utils.writeToFile(file, signature.toByteArray());
Log.i(
TAG,
"Save %s signature of %s,md5=%s",
pkgInfo.packageName,
i,
Utils.md5(signature.toByteArray()));
} catch (Exception e) {
e.printStackTrace();
Log.w(TAG, "Save signatures fail", e);
file.delete();
Utils.deleteDir(PluginDirHelper.getPluginSignatureDir(mContext, pkgInfo.packageName));
break;
}
i++;
}
}
}
private Signature[] readSignatures(String packageName) {
List<String> fils = PluginDirHelper.getPluginSignatureFiles(mContext, packageName);
List<Signature> signatures = new ArrayList<Signature>(fils.size());
int i = 0;
for (String file : fils) {
try {
byte[] data = Utils.readFromFile(new File(file));
if (data != null) {
Signature sin = new Signature(data);
signatures.add(sin);
Log.i(
TAG, "Read %s signature of %s,md5=%s", packageName, i, Utils.md5(sin.toByteArray()));
} else {
Log.i(TAG, "Read %s signature of %s FAIL", packageName, i);
return null;
}
i++;
} catch (Exception e) {
Log.i(TAG, "Read %s signature of %s FAIL", e, packageName, i);
return null;
}
}
return signatures.toArray(new Signature[signatures.size()]);
}