standardize on lowercase SHA-256 hashes

fdroidserver produces lowercase hashes, so its easiest to just mimic
that.  This makes hash comparisons easy.
This commit is contained in:
Hans-Christoph Steiner 2016-06-28 00:10:04 +02:00
parent fdec402837
commit e77bde2cfa
4 changed files with 14 additions and 4 deletions

View File

@ -386,7 +386,7 @@ public final class Utils {
}
byte[] mdbytes = md.digest();
return toHexString(mdbytes);
return toHexString(mdbytes).toLowerCase(Locale.ENGLISH);
} catch (IOException e) {
Log.e(TAG, "Error reading \"" + apk.getAbsolutePath()
+ "\" to compute " + algo + " hash.", e);

View File

@ -25,7 +25,7 @@ public class Apk extends ValueObject implements Comparable<Apk>, Parcelable {
public int versionCode;
public int size; // Size in bytes - 0 means we don't know!
public long repo; // ID of the repo it comes from
public String hash;
public String hash; // checksum of the APK, in lowercase hex
public String hashType;
public int minSdkVersion = SDK_VERSION_MIN_VALUE; // 0 if unknown
public int targetSdkVersion = SDK_VERSION_MIN_VALUE; // 0 if unknown

View File

@ -120,7 +120,7 @@ class DBHelper extends SQLiteOpenHelper {
+ " );";
private static final String DROP_TABLE_INSTALLED_APP = "DROP TABLE " + InstalledAppTable.NAME + ";";
private static final int DB_VERSION = 60;
private static final int DB_VERSION = 61;
private final Context context;
@ -327,6 +327,16 @@ class DBHelper extends SQLiteOpenHelper {
migrateAppPrimaryKeyToRowId(db, oldVersion);
removeApkPackageNameColumn(db, oldVersion);
addAppPrefsTable(db, oldVersion);
lowerCaseApkHashes(db, oldVersion);
}
private void lowerCaseApkHashes(SQLiteDatabase db, int oldVersion) {
if (oldVersion >= 61) {
return;
}
Utils.debugLog(TAG, "Lowercasing all APK hashes");
db.execSQL("UPDATE " + InstalledAppTable.NAME + " SET " + InstalledAppTable.Cols.HASH
+ " = lower(" + InstalledAppTable.Cols.HASH + ")");
}
private void addAppPrefsTable(SQLiteDatabase db, int oldVersion) {

View File

@ -470,7 +470,7 @@ public final class LocalRepoManager {
private void tagHash(App app) throws IOException {
serializer.startTag("", "hash");
serializer.attribute("", "type", app.installedApk.hashType);
serializer.text(app.installedApk.hash.toLowerCase(Locale.US));
serializer.text(app.installedApk.hash);
serializer.endTag("", "hash");
}
}