package com.gitblit;
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import java.io.File;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.security.Principal;
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import java.text.MessageFormat;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Properties;
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import java.util.Set;
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import javax.security.auth.Subject;
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import org.eclipse.jetty.http.security.Credential;
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import org.eclipse.jetty.security.IdentityService;
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import org.eclipse.jetty.security.MappedLoginService;
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import org.eclipse.jetty.server.UserIdentity;
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import org.eclipse.jetty.util.log.Log;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.utils.StringUtils;
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import com.gitblit.wicket.models.UserModel;
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public class JettyLoginService extends MappedLoginService implements ILoginService {
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private final Logger logger = LoggerFactory.getLogger(JettyLoginService.class);
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private final File realmFile;
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public JettyLoginService(File realmFile) {
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super();
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setName(Constants.NAME);
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this.realmFile = realmFile;
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}
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@Override
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public UserModel authenticate(String username, char[] password) {
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UserIdentity identity = login(username, new String(password));
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if (identity == null || identity.equals(UserIdentity.UNAUTHENTICATED_IDENTITY)) {
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return null;
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}
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UserModel user = new UserModel(username);
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user.setCookie(StringUtils.getSHA1((Constants.NAME + username + new String(password))));
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user.canAdmin(identity.isUserInRole(Constants.ADMIN_ROLE, null));
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// Add repositories
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for (Principal principal : identity.getSubject().getPrincipals()) {
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if (principal instanceof RolePrincipal) {
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RolePrincipal role = (RolePrincipal) principal;
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String roleName = role.getName();
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if (roleName.charAt(0) != '#') {
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user.addRepository(roleName);
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}
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}
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}
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return user;
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}
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@Override
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public UserModel authenticate(char[] cookie) {
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// TODO cookie login
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return null;
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}
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@Override
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public UserModel getUserModel(String username) {
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UserModel model = new UserModel(username);
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UserIdentity identity = _users.get(username);
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Subject subject = identity.getSubject();
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for (Principal principal : subject.getPrincipals()) {
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if (principal instanceof RolePrincipal) {
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RolePrincipal role = (RolePrincipal) principal;
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String name = role.getName();
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switch (name.charAt(0)) {
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case '#':
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// Permissions
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if (name.equalsIgnoreCase(Constants.ADMIN_ROLE)) {
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model.canAdmin(true);
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}
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break;
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default:
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model.addRepository(name);
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}
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}
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}
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// Retrieve the password from the realm file.
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// Stupid, I know, but the password is buried within protected inner
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// classes in private variables. Too much work to reflectively retrieve.
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try {
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Properties allUsers = readRealmFile();
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String value = allUsers.getProperty(username);
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String password = value.split(",")[0];
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model.setPassword(password);
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to read password for user {0}!", username), t);
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}
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return model;
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}
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@Override
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public boolean updateUserModel(UserModel model) {
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try {
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Properties allUsers = readRealmFile();
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ArrayList<String> roles = new ArrayList<String>(model.getRepositories());
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// Permissions
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if (model.canAdmin()) {
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roles.add(Constants.ADMIN_ROLE);
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}
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StringBuilder sb = new StringBuilder();
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sb.append(model.getPassword());
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sb.append(',');
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for (String role : roles) {
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sb.append(role);
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sb.append(',');
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}
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// trim trailing comma
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sb.setLength(sb.length() - 1);
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allUsers.put(model.getUsername(), sb.toString());
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writeRealmFile(allUsers);
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// Update login service
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putUser(model.getUsername(), Credential.getCredential(model.getPassword()), roles.toArray(new String[0]));
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return true;
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to update user model {0}!", model.getUsername()), t);
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}
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return false;
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}
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@Override
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public boolean deleteUserModel(UserModel model) {
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try {
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// Read realm file
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Properties allUsers = readRealmFile();
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allUsers.remove(model.getUsername());
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writeRealmFile(allUsers);
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// Drop user from map
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_users.remove(model.getUsername());
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return true;
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to delete user model {0}!", model.getUsername()), t);
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}
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return false;
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}
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@Override
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public List<String> getAllUsernames() {
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List<String> list = new ArrayList<String>();
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list.addAll(_users.keySet());
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return list;
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}
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@Override
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public List<String> getUsernamesForRole(String role) {
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List<String> list = new ArrayList<String>();
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try {
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Properties allUsers = readRealmFile();
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for (String username : allUsers.stringPropertyNames()) {
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String value = allUsers.getProperty(username);
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String[] values = value.split(",");
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// skip first value (password)
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for (int i = 1; i < values.length; i++) {
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String r = values[i];
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if (r.equalsIgnoreCase(role)) {
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list.add(username);
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break;
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}
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}
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}
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to get usernames for role {0}!", role), t);
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}
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return list;
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}
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@Override
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public boolean setUsernamesForRole(String role, List<String> usernames) {
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try {
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Set<String> specifiedUsers = new HashSet<String>(usernames);
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Set<String> needsAddRole = new HashSet<String>(specifiedUsers);
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Set<String> needsRemoveRole = new HashSet<String>();
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// identify users which require add and remove role
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Properties allUsers = readRealmFile();
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for (String username : allUsers.stringPropertyNames()) {
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String value = allUsers.getProperty(username);
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String[] values = value.split(",");
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// skip first value (password)
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for (int i = 1; i < values.length; i++) {
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String r = values[i];
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if (r.equalsIgnoreCase(role)) {
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// user has role, check against revised user list
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if (specifiedUsers.contains(username)) {
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needsAddRole.remove(username);
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} else {
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// remove role from user
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needsRemoveRole.add(username);
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}
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break;
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}
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}
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}
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// add roles to users
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for (String user : needsAddRole) {
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String userValues = allUsers.getProperty(user);
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userValues += ("," + role);
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allUsers.put(user, userValues);
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String[] values = userValues.split(",");
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String password = values[0];
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String[] roles = new String[values.length - 1];
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System.arraycopy(values, 1, roles, 0, values.length - 1);
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putUser(user, Credential.getCredential(password), roles);
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}
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// remove role from user
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for (String user : needsRemoveRole) {
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String[] values = allUsers.getProperty(user).split(",");
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String password = values[0];
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StringBuilder sb = new StringBuilder();
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sb.append(password);
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sb.append(',');
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List<String> revisedRoles = new ArrayList<String>();
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// skip first value (password)
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for (int i = 1; i < values.length; i++) {
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String value = values[i];
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if (!value.equalsIgnoreCase(role)) {
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revisedRoles.add(value);
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sb.append(value);
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sb.append(',');
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}
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}
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sb.setLength(sb.length() - 1);
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// update properties
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allUsers.put(user, sb.toString());
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// update memory
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putUser(user, Credential.getCredential(password), revisedRoles.toArray(new String[0]));
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}
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// persist changes
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writeRealmFile(allUsers);
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return true;
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to set usernames for role {0}!", role), t);
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}
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return false;
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}
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@Override
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public boolean renameRole(String oldRole, String newRole) {
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try {
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Properties allUsers = readRealmFile();
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Set<String> needsRenameRole = new HashSet<String>();
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// identify users which require role rename
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for (String username : allUsers.stringPropertyNames()) {
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String value = allUsers.getProperty(username);
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String[] roles = value.split(",");
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// skip first value (password)
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for (int i = 1; i < roles.length; i++) {
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String r = roles[i];
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if (r.equalsIgnoreCase(oldRole)) {
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needsRenameRole.remove(username);
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break;
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}
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}
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}
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// rename role for identified users
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for (String user : needsRenameRole) {
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String userValues = allUsers.getProperty(user);
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String[] values = userValues.split(",");
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String password = values[0];
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StringBuilder sb = new StringBuilder();
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sb.append(password);
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sb.append(',');
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List<String> revisedRoles = new ArrayList<String>();
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revisedRoles.add(newRole);
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// skip first value (password)
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for (int i = 1; i < values.length; i++) {
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String value = values[i];
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if (!value.equalsIgnoreCase(oldRole)) {
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revisedRoles.add(value);
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sb.append(value);
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sb.append(',');
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}
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}
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sb.setLength(sb.length() - 1);
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// update properties
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allUsers.put(user, sb.toString());
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// update memory
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putUser(user, Credential.getCredential(password), revisedRoles.toArray(new String[0]));
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}
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// persist changes
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writeRealmFile(allUsers);
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return true;
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to rename role {0} to {1}!", oldRole, newRole), t);
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}
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return false;
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}
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@Override
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public boolean deleteRole(String role) {
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try {
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Properties allUsers = readRealmFile();
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Set<String> needsDeleteRole = new HashSet<String>();
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// identify users which require role rename
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for (String username : allUsers.stringPropertyNames()) {
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String value = allUsers.getProperty(username);
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String[] roles = value.split(",");
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// skip first value (password)
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for (int i = 1; i < roles.length; i++) {
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String r = roles[i];
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if (r.equalsIgnoreCase(role)) {
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needsDeleteRole.remove(username);
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break;
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}
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}
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}
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// delete role for identified users
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for (String user : needsDeleteRole) {
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String userValues = allUsers.getProperty(user);
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String[] values = userValues.split(",");
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String password = values[0];
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StringBuilder sb = new StringBuilder();
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sb.append(password);
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sb.append(',');
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List<String> revisedRoles = new ArrayList<String>();
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// skip first value (password)
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for (int i = 1; i < values.length; i++) {
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String value = values[i];
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if (!value.equalsIgnoreCase(role)) {
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revisedRoles.add(value);
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sb.append(value);
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sb.append(',');
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}
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}
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sb.setLength(sb.length() - 1);
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// update properties
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allUsers.put(user, sb.toString());
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// update memory
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putUser(user, Credential.getCredential(password), revisedRoles.toArray(new String[0]));
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}
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// persist changes
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writeRealmFile(allUsers);
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} catch (Throwable t) {
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logger.error(MessageFormat.format("Failed to delete role {0}!", role), t);
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}
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return false;
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}
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private Properties readRealmFile() throws IOException {
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Properties allUsers = new Properties();
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FileReader reader = new FileReader(realmFile);
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allUsers.load(reader);
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reader.close();
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return allUsers;
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}
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private void writeRealmFile(Properties properties) throws IOException {
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// Update realm file
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File realmFileCopy = new File(realmFile.getAbsolutePath() + ".tmp");
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FileWriter writer = new FileWriter(realmFileCopy);
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properties.store(writer, "# Git:Blit realm file format: username=password,\\#permission,repository1,repository2...");
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writer.close();
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if (realmFileCopy.exists() && realmFileCopy.length() > 0) {
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realmFile.delete();
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realmFileCopy.renameTo(realmFile);
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} else {
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throw new IOException("Failed to save realmfile!");
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}
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}
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/* ------------------------------------------------------------ */
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@Override
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public void loadUsers() throws IOException {
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if (realmFile == null)
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return;
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if (Log.isDebugEnabled())
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Log.debug("Load " + this + " from " + realmFile);
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Properties allUsers = readRealmFile();
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// Map Users
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for (Map.Entry<Object, Object> entry : allUsers.entrySet()) {
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String username = ((String) entry.getKey()).trim();
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String credentials = ((String) entry.getValue()).trim();
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String roles = null;
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int c = credentials.indexOf(',');
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if (c > 0) {
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roles = credentials.substring(c + 1).trim();
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credentials = credentials.substring(0, c).trim();
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}
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if (username != null && username.length() > 0 && credentials != null && credentials.length() > 0) {
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String[] roleArray = IdentityService.NO_ROLES;
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if (roles != null && roles.length() > 0) {
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roleArray = roles.split(",");
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}
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putUser(username, Credential.getCredential(credentials), roleArray);
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}
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}
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}
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@Override
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protected UserIdentity loadUser(String username) {
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return null;
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}
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}
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