com.streamsets.lib.security.http.DisconnectedSecurityInfo.java Source code

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Here is the source code for com.streamsets.lib.security.http.DisconnectedSecurityInfo.java

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/*
 * Copyright 2017 StreamSets Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.streamsets.lib.security.http;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.apache.commons.codec.digest.DigestUtils;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class DisconnectedSecurityInfo {
    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();

    static {
        OBJECT_MAPPER.enable(SerializationFeature.INDENT_OUTPUT);
        OBJECT_MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    }

    public static class Entry {
        private String userNameSha;
        private String passwordHash;
        private List<String> roles;
        private List<String> groups;

        public Entry() {
            roles = new ArrayList<>();
            groups = new ArrayList<>();
        }

        public String getUserNameSha() {
            return userNameSha;
        }

        public void setUserNameSha(String userNameSha) {
            this.userNameSha = userNameSha;
        }

        public String getPasswordHash() {
            return passwordHash;
        }

        public void setPasswordHash(String passwordHash) {
            this.passwordHash = passwordHash;
        }

        public List<String> getRoles() {
            return roles;
        }

        public List<String> getGroups() {
            return groups;
        }
    }

    private final Map<String, Entry> entries;

    public DisconnectedSecurityInfo() {
        entries = new HashMap<>();
    }

    public List<Entry> getEntries() {
        return new ArrayList<>(entries.values());
    }

    public void setEntries(List<Entry> entries) {
        this.entries.clear();
        for (Entry entry : entries) {
            this.entries.put(entry.getUserNameSha(), entry);
        }
    }

    public Entry getEntry(String userName) {
        return entries.get(DigestUtils.sha256Hex(userName));
    }

    public void addEntry(String userName, String passwordHash, List<String> roles, List<String> groups) {
        Entry entry = new Entry();
        entry.setUserNameSha(DigestUtils.sha256Hex(userName));
        entry.setPasswordHash(passwordHash);
        entry.getRoles().addAll(roles);
        entry.getGroups().addAll(groups);
        entries.put(entry.getUserNameSha(), entry);
    }

    public String toJsonString() {
        try {
            return OBJECT_MAPPER.writeValueAsString(this);
        } catch (IOException ex) {
            throw new RuntimeException("Should never happen: " + ex.toString(), ex);
        }
    }

    public void toJsonFile(File file) throws IOException {
        OBJECT_MAPPER.writeValue(file, this);
    }

    public static DisconnectedSecurityInfo fromJsonString(String json) throws IOException {
        return OBJECT_MAPPER.readValue(json, DisconnectedSecurityInfo.class);
    }

    public static DisconnectedSecurityInfo fromJsonFile(File file) throws IOException {
        return OBJECT_MAPPER.readValue(file, DisconnectedSecurityInfo.class);
    }

}