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package org.openslx.bwlp.sat.database.mappers;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
import org.apache.log4j.Logger;
import org.openslx.bwlp.sat.database.Database;
import org.openslx.bwlp.sat.database.MysqlConnection;
import org.openslx.bwlp.sat.database.MysqlStatement;
import org.openslx.bwlp.sat.util.Sanitizer;
import org.openslx.bwlp.thrift.iface.ImagePermissions;
public class DbImagePermissions {
private static final Logger LOGGER = Logger.getLogger(DbImagePermissions.class);
/**
* Build an instance of {@link ImagePermissions} by reading the given
* columns from the given {@link ResultSet}. If there are no permissions
* given in the ResultSet, <code>null</code> is returned.
*
* @param rs the {@link ResultSet} to read from
* @param canLink Name of the column to read the "can link" permission from
* @param canDownload Name of the column to read the "can download"
* permission from
* @param canEdit Name of the column to read the "can edit" permission from
* @param canAdmin Name of the column to read the "can admin" permission
* from
* @return instance of {@link ImagePermissions}, or <code>null</code>
* @throws SQLException
*/
private static ImagePermissions fromResultSet(ResultSet rs, String canLink, String canDownload,
String canEdit, String canAdmin) throws SQLException {
byte link = rs.getByte(canLink);
if (rs.wasNull())
return null;
return new ImagePermissions(link != 0, rs.getByte(canDownload) != 0, rs.getByte(canEdit) != 0,
rs.getByte(canAdmin) != 0);
}
/**
* Build an instance of {@link ImagePermissions} by reading the
* columns <code>canlink</code>, <code>candownload</code>,
* <code>canedit</code>, <code>canadmin</code> from the given
* {@link ResultSet}. If there are no permissions
* given in the ResultSet, <code>null</code> is returned.
*
* @param rs the {@link ResultSet} to read from
* @return instance of {@link ImagePermissions}, or <code>null</code>
* @throws SQLException
*/
public static ImagePermissions fromResultSetUser(ResultSet rs) throws SQLException {
return fromResultSet(rs, "canlink", "candownload", "canedit", "canadmin");
}
/**
* Build an instance of {@link ImagePermissions} by reading the
* columns <code>canlinkdefault</code>, <code>candownloaddefault</code>,
* <code>caneditdefault</code>, <code>canadmindefault</code> from the given
* {@link ResultSet}. If there are no permissions
* given in the ResultSet, <code>null</code> is returned.
*
* @param rs the {@link ResultSet} to read from
* @return instance of {@link ImagePermissions}, or <code>null</code>
* @throws SQLException
*/
public static ImagePermissions fromResultSetDefault(ResultSet rs) throws SQLException {
return fromResultSet(rs, "canlinkdefault", "candownloaddefault", "caneditdefault", "canadmindefault");
}
/**
* Get permissions for the given image. IF <code>adminOnly</code> is true,
* only users with admin permissions will be returned.
*
* @param imageBaseId UUID of image
* @param adminOnly Only return users with admin permission
* @return
* @throws SQLException
*/
public static Map<String, ImagePermissions> getForImageBase(String imageBaseId, boolean adminOnly)
throws SQLException {
try (MysqlConnection connection = Database.getConnection()) {
MysqlStatement stmt = connection.prepareStatement("SELECT userid, canlink, candownload, canedit, canadmin"
+ " FROM imagepermission WHERE imagebaseid = :imagebaseid");
stmt.setString("imagebaseid", imageBaseId);
ResultSet rs = stmt.executeQuery();
Map<String, ImagePermissions> list = new HashMap<>();
while (rs.next()) {
boolean admin = rs.getBoolean("canadmin");
if (adminOnly && !admin)
continue;
ImagePermissions perm = new ImagePermissions(rs.getBoolean("canlink"),
rs.getBoolean("candownload"), rs.getBoolean("canedit"), admin);
list.put(rs.getString("userid"), perm);
}
return list;
} catch (SQLException e) {
LOGGER.error("Query failed in DbImagePermissions.getForImageBase()", e);
throw e;
}
}
public static void writeForImageBase(String imageBaseId, Map<String, ImagePermissions> permissions)
throws SQLException {
try (MysqlConnection connection = Database.getConnection()) {
MysqlStatement stmt = connection.prepareStatement("DELETE FROM imagepermission"
+ " WHERE imagebaseid = :baseid");
stmt.setString("baseid", imageBaseId);
stmt.executeUpdate();
stmt = connection.prepareStatement("INSERT INTO imagepermission"
+ " (imagebaseid, userid, canlink, candownload, canedit, canadmin)"
+ " VALUES (:baseid, :userid, :canlink, :candownload, :canedit, :canadmin)");
stmt.setString("baseid", imageBaseId);
for (Map.Entry<String, ImagePermissions> entry : permissions.entrySet()) {
ImagePermissions perm = entry.getValue();
perm = Sanitizer.handleImagePermissions(perm);
stmt.setString("userid", entry.getKey());
stmt.setBoolean("canlink", perm.link);
stmt.setBoolean("candownload", perm.download);
stmt.setBoolean("canedit", perm.edit);
stmt.setBoolean("canadmin", perm.admin);
stmt.executeUpdate();
}
connection.commit();
} catch (SQLException e) {
LOGGER.error("Query failed in DbImagePermissions.writeForImageBase()", e);
throw e;
}
}
public static void writeForImageBase(String imageBaseId, String userId, ImagePermissions imagePermissions) throws SQLException {
Map<String, ImagePermissions> map = new HashMap<>();
map.put(userId, imagePermissions);
writeForImageBase(imageBaseId, map);
}
}
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