/** Get all the links to APKs from the metadata table. */
public List<String> getAllRepositoryApkLinks() {
connectToDatabase();
String sqlStatementGetAllRepositoryApkLinks = QueryBuilder.getQueryToGetAllRepositoryApkLinks();
try {
Statement statement = databaseConnection.createStatement();
List<String> repositoryApkLinkList = new ArrayList<String>();
ResultSet resultSet = statement.executeQuery(sqlStatementGetAllRepositoryApkLinks);
while (resultSet.next()) {
String link = resultSet.getString("APPURL");
repositoryApkLinkList.add(link);
}
resultSet.close();
disconnectFromDatabase();
return repositoryApkLinkList;
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
/** Save the metadata for an app that was instrumented and is specified to be made public. */
public void saveMetadataForInstrumentedApk(
byte[] logo, String appName, String packageName, String sha512Hash, String sha256hash) {
connectToDatabase();
long apkId = getApkId(sha512Hash);
String sqlStatementSaveMetadataForInstrumentedApk =
QueryBuilder.getQueryToSaveMetadataForInstrumentedApk();
try {
if (getMetadataId(sha256hash) != -1) {
String sqlStatementSaveInstrumentedApkIdForExistingMetadata =
QueryBuilder.getQueryToLinkApkToMetadata();
PreparedStatement preparedStatement =
databaseConnection.prepareStatement(
sqlStatementSaveInstrumentedApkIdForExistingMetadata);
preparedStatement.setLong(1, apkId);
preparedStatement.setString(2, sha512Hash);
preparedStatement.setString(3, sha256hash);
preparedStatement.executeUpdate();
preparedStatement.close();
databaseConnection.close();
} else {
PreparedStatement preparedStatement =
databaseConnection.prepareStatement(sqlStatementSaveMetadataForInstrumentedApk);
preparedStatement.setBytes(1, logo);
preparedStatement.setString(2, appName);
preparedStatement.setString(3, packageName);
preparedStatement.setLong(4, apkId);
preparedStatement.executeUpdate();
preparedStatement.close();
databaseConnection.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
/** Get the metadata of all instrumented apps saved on the server. */
public MetadataList getInstrumentedMetadata() {
connectToDatabase();
String sqlStatementGetInstrumentedMetadata = QueryBuilder.getQueryToGetInstrumentedMetadata();
try {
Statement statement = databaseConnection.createStatement();
List<Metadatum> metadataList = new ArrayList<Metadatum>();
ResultSet resultSet = statement.executeQuery(sqlStatementGetInstrumentedMetadata);
while (resultSet.next()) {
String sha512Hash = resultSet.getString("HASH");
Metadatum metadatum =
new Metadatum()
.withDownloadUrl(Main.FORWARDED_URI + "instrument/" + sha512Hash)
.withLogoUrl(Main.FORWARDED_URI + "metadata/logo/" + sha512Hash + ".png")
.withAppName(resultSet.getString("APPNAME"))
.withPackageName(resultSet.getString("PACKAGENAME"))
.withAppUrl(resultSet.getString("APPURL"))
.withHash(sha512Hash)
.withSummary(resultSet.getString("SUMMARY"))
.withDescription(resultSet.getString("DESCRIPTION"))
.withLicense(resultSet.getString("LICENSE"))
.withAppCategory(resultSet.getString("APPCATEGORY"))
.withWebLink(resultSet.getString("WEBLINK"))
.withSourceCodeLink(resultSet.getString("SOURCECODELINK"))
.withMarketVersion(resultSet.getString("MARKETVERSION"))
.withSha256hash(resultSet.getString("SHA256HASH"))
.withSizeInBytes(resultSet.getDouble("SIZEINBYTES"))
.withSdkVersion(resultSet.getString("SDKVERSION"))
.withPermissions(resultSet.getString("PERMISSIONS"))
.withFeatures(resultSet.getString("FEATURES"));
metadataList.add(metadatum);
}
resultSet.close();
disconnectFromDatabase();
return new MetadataList().withMetadata(metadataList).withSize(metadataList.size());
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
/** Retrieve the logo from the database. */
public byte[] retrieveLogoFromDatabase(String apkHash) {
connectToDatabase();
try {
String sqlStatementGetLogoFromHash = QueryBuilder.getQueryToRetrieveLogoFile();
PreparedStatement preparedStatement =
databaseConnection.prepareStatement(sqlStatementGetLogoFromHash);
preparedStatement.setString(1, apkHash);
ResultSet resultSet = preparedStatement.executeQuery();
byte[] logo = resultSet.getBytes(1);
resultSet.close();
preparedStatement.close();
disconnectFromDatabase();
return logo;
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
/** Get the ID of the data set of metadata for a SHA 256 hash of an APK. */
private long getMetadataId(String sha256Hash) {
connectToDatabase();
String sqlStatementGetMetadataIdFromHash = QueryBuilder.getQueryToGetMetadataIdFromSha256Hash();
try {
PreparedStatement preparedStatement =
databaseConnection.prepareStatement(sqlStatementGetMetadataIdFromHash);
preparedStatement.setString(1, sha256Hash);
ResultSet resultSet = preparedStatement.executeQuery();
long id = -1;
if (!resultSet.isClosed()) {
id = resultSet.getLong(1);
resultSet.close();
}
preparedStatement.close();
return id;
} catch (SQLException e) {
e.printStackTrace();
}
return -1;
}
/** Save the metadata from one XML element in the database. */
public void saveMetadataFromXmlElement(Node applicationNode) {
String LOGO_BASE_URI = "https://f-droid.org/repo/icons/";
String APP_BASE_URI = "https://f-droid.org/repo/";
String sqlStatementGetMetadataFromXml = QueryBuilder.getQueryToSaveMetadataFromXmlElement();
PreparedStatement preparedStatement;
try {
preparedStatement = databaseConnection.prepareStatement(sqlStatementGetMetadataFromXml);
Element applicationNodeElement = null;
if (applicationNode instanceof Element) {
applicationNodeElement = (Element) applicationNode;
}
String logo = null;
String appName = null;
String packageName = null;
String appUrl = null;
String summary = null;
String description = null;
String license = null;
String appCategory = null;
String webLink = null;
String sourceCodeLink = null;
String marketVersion = null;
String sha256Hash = null;
double sizeInBytes = 0;
String sdkVersion = null;
String permissions = null;
String features = null;
if (applicationNodeElement.getElementsByTagName("icon").item(0) != null) {
logo =
LOGO_BASE_URI
+ applicationNodeElement.getElementsByTagName("icon").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("name").item(0) != null) {
appName = applicationNodeElement.getElementsByTagName("name").item(0).getTextContent();
}
if (applicationNodeElement.getAttribute("id") != null) {
packageName = applicationNodeElement.getAttribute("id");
}
if (applicationNodeElement.getElementsByTagName("apkname").item(0) != null) {
appUrl =
APP_BASE_URI
+ applicationNodeElement.getElementsByTagName("apkname").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("summary").item(0) != null) {
summary = applicationNodeElement.getElementsByTagName("summary").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("desc").item(0) != null) {
description = applicationNodeElement.getElementsByTagName("desc").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("license").item(0) != null) {
license = applicationNodeElement.getElementsByTagName("license").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("category").item(0) != null) {
appCategory =
applicationNodeElement.getElementsByTagName("category").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("web").item(0) != null) {
webLink = applicationNodeElement.getElementsByTagName("web").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("source").item(0) != null) {
sourceCodeLink =
applicationNodeElement.getElementsByTagName("source").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("marketversion").item(0) != null) {
marketVersion =
applicationNodeElement.getElementsByTagName("marketversion").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("hash").item(0) != null) {
sha256Hash = applicationNodeElement.getElementsByTagName("hash").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("size").item(0) != null) {
sizeInBytes =
Double.parseDouble(
applicationNodeElement.getElementsByTagName("size").item(0).getTextContent());
}
if (applicationNodeElement.getElementsByTagName("sdkver").item(0) != null) {
sdkVersion = applicationNodeElement.getElementsByTagName("sdkver").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("permissions").item(0) != null) {
permissions =
applicationNodeElement.getElementsByTagName("permissions").item(0).getTextContent();
}
if (applicationNodeElement.getElementsByTagName("features").item(0) != null) {
features = applicationNodeElement.getElementsByTagName("features").item(0).getTextContent();
}
byte[] logoBytes = fetchLogo(logo);
preparedStatement.setBytes(1, logoBytes);
preparedStatement.setString(2, appName);
preparedStatement.setString(3, packageName);
preparedStatement.setString(4, appUrl);
preparedStatement.setString(5, summary);
preparedStatement.setString(6, description);
preparedStatement.setString(7, license);
preparedStatement.setString(8, appCategory);
preparedStatement.setString(9, webLink);
preparedStatement.setString(10, sourceCodeLink);
preparedStatement.setString(11, marketVersion);
preparedStatement.setString(12, sha256Hash);
preparedStatement.setDouble(13, sizeInBytes);
preparedStatement.setString(14, sdkVersion);
preparedStatement.setString(15, permissions);
preparedStatement.setString(16, features);
preparedStatement.setString(17, sha256Hash);
preparedStatement.execute();
preparedStatement.close();
} catch (SQLException e) {
e.printStackTrace();
}
}