Fork of Poseidon providing Bukkit #1060 to older Beta versions (b1.0-b1.7.3)
keii.dev
1package com.legacyminecraft.poseidon.util;
2
3import java.io.File;
4import java.io.FileReader;
5import java.lang.reflect.Type;
6import java.nio.file.Files;
7import java.util.List;
8
9import com.google.gson.Gson;
10import com.google.gson.GsonBuilder;
11import com.google.gson.JsonArray;
12import com.google.gson.JsonPrimitive;
13import com.google.gson.JsonSyntaxException;
14import com.google.gson.reflect.TypeToken;
15import com.google.gson.stream.JsonReader;
16
17public class CrackedAllowlist {
18
19 private static CrackedAllowlist singleton;
20 private final Gson parser = new GsonBuilder().setPrettyPrinting().create();
21 private JsonArray namesJsonArray;
22 private File crackedListFile = new File("cracked-allowlist.json");
23
24 public CrackedAllowlist() {
25
26 if (!crackedListFile.exists()) {
27 namesJsonArray = new JsonArray();
28 saveAllowlist();
29 return;
30 }
31
32 try {
33 System.out.println("[Poseidon] Reading cracked-allowlist.json for Project Poseidon");
34
35 JsonReader reader = new JsonReader(new FileReader(crackedListFile));
36 namesJsonArray = parser.fromJson(reader, JsonArray.class);
37
38 } catch (JsonSyntaxException e) {
39 System.out.println("[Poseidon] Cracked names allowlist is corrupt or unreadable, resetting");
40 namesJsonArray = new JsonArray();
41 saveAllowlist();
42
43 } catch (Throwable t) {
44 System.out.println("[Poseidon] Error reading cracked-allowlist.json: " + t + ": " + t.getMessage());
45 namesJsonArray = new JsonArray();
46 }
47 }
48
49 public void saveAllowlist() {
50 try {
51 System.out.println("[Poseidon] Saving cracked names allowlist");
52
53 Files.write(crackedListFile.toPath(), parser.toJson(namesJsonArray).getBytes("UTF-8"));
54 } catch (Throwable t) {
55 t.printStackTrace();
56 }
57 }
58
59 /**
60 * Adds username to cracked names allowlist.
61 *
62 * @param name username to allowlist
63 * @return true if added, false if already on the list
64 */
65 public boolean addName(String name) {
66 JsonPrimitive jsonString = new JsonPrimitive(name.toLowerCase());
67 if (namesJsonArray.contains(jsonString)) {
68 return false;
69 }
70
71 namesJsonArray.add(jsonString);
72 saveAllowlist();
73 return true;
74 }
75
76 /**
77 * Removes username from cracked names allowlist.
78 *
79 * @param name username to remove
80 * @return true if removed, false if the name wasn't on the list
81 */
82 public boolean removeName(String name) {
83 JsonPrimitive jsonString = new JsonPrimitive(name.toLowerCase());
84
85 boolean removed = namesJsonArray.remove(jsonString);
86 saveAllowlist();
87
88 return removed;
89 }
90
91 public boolean contains(String name) {
92 JsonPrimitive jsonString = new JsonPrimitive(name.toLowerCase());
93
94 return namesJsonArray.contains(jsonString);
95 }
96
97 public List<String> getAsList() {
98 Type listType = new TypeToken<List<String>>() {}.getType();
99 return parser.fromJson(namesJsonArray, listType);
100 }
101
102 public static CrackedAllowlist get() {
103 if (singleton == null) {
104 singleton = new CrackedAllowlist();
105 }
106 return singleton;
107 }
108}