diff --git a/.gitignore b/.gitignore index a1c2a23..7a5a0a6 100644 --- a/.gitignore +++ b/.gitignore @@ -4,6 +4,12 @@ # Log file *.log +# Intellij +.idea + +# Output of the build +out + # BlueJ files *.ctxt diff --git a/.gradle/7.1/dependencies-accessors/dependencies-accessors.lock b/.gradle/7.1/dependencies-accessors/dependencies-accessors.lock new file mode 100644 index 0000000..9bece22 Binary files /dev/null and b/.gradle/7.1/dependencies-accessors/dependencies-accessors.lock differ diff --git a/.gradle/7.1/dependencies-accessors/gc.properties b/.gradle/7.1/dependencies-accessors/gc.properties new file mode 100644 index 0000000..e69de29 diff --git a/.gradle/7.1/executionHistory/executionHistory.bin b/.gradle/7.1/executionHistory/executionHistory.bin new file mode 100644 index 0000000..c85e32c Binary files /dev/null and b/.gradle/7.1/executionHistory/executionHistory.bin differ diff --git a/.gradle/7.1/executionHistory/executionHistory.lock 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useJUnitPlatform() +} \ No newline at end of file diff --git a/build/resources/main/plugin.json b/build/resources/main/plugin.json new file mode 100644 index 0000000..05f68d5 --- /dev/null +++ b/build/resources/main/plugin.json @@ -0,0 +1,7 @@ +{ + "name": "GCAuth", + "description": "GCAuth is a plugin that allows you to implement authentication for your server.", + "version": "1.0.0", + "author": ["ExZork"], + "mainClass": "me.exzork.gcauth.GCAuth" +} \ No newline at end of file diff --git a/build/tmp/compileJava/previous-compilation-data.bin b/build/tmp/compileJava/previous-compilation-data.bin new file mode 100644 index 0000000..0cb435f Binary files /dev/null and b/build/tmp/compileJava/previous-compilation-data.bin differ diff --git a/build/tmp/jar/MANIFEST.MF b/build/tmp/jar/MANIFEST.MF new file mode 100644 index 0000000..fbe5856 --- /dev/null +++ b/build/tmp/jar/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: me.exzork.gcauth.GCAuth + diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..ffed3a2 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..744e882 --- /dev/null +++ b/gradlew @@ -0,0 +1,185 @@ +#!/usr/bin/env sh + +# +# Copyright 2015 the original author or authors. +# +# 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 +# +# https://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. +# + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MSYS* | MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin or MSYS, switch paths to Windows format before running java +if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=`expr $i + 1` + done + case $i in + 0) set -- ;; + 1) set -- "$args0" ;; + 2) set -- "$args0" "$args1" ;; + 3) set -- "$args0" "$args1" "$args2" ;; + 4) set -- "$args0" "$args1" "$args2" "$args3" ;; + 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=`save "$@"` + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..97ba25b --- /dev/null +++ b/settings.gradle @@ -0,0 +1,2 @@ +rootProject.name = 'GCAuth' + diff --git a/src/main/java/me/exzork/gcauth/Config.java b/src/main/java/me/exzork/gcauth/Config.java new file mode 100644 index 0000000..f4cca43 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/Config.java @@ -0,0 +1,6 @@ +package me.exzork.gcauth; + +public final class Config { + public String Hash = "BCRYPT"; + public boolean Enable = true; +} diff --git a/src/main/java/me/exzork/gcauth/GCAuth.java b/src/main/java/me/exzork/gcauth/GCAuth.java new file mode 100644 index 0000000..b30dfa7 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/GCAuth.java @@ -0,0 +1,68 @@ +package me.exzork.gcauth; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.sun.net.httpserver.HttpServer; +import emu.grasscutter.Grasscutter; +import emu.grasscutter.plugin.Plugin; +import me.exzork.gcauth.handler.AuthStatusHandler; +import me.exzork.gcauth.handler.ChangePasswordHandler; +import me.exzork.gcauth.handler.LoginHandler; +import me.exzork.gcauth.handler.RegisterHandler; + +import java.io.File; +import java.io.FileReader; +import java.io.FileWriter; +import java.io.IOException; +import java.nio.file.Files; + +public class GCAuth extends Plugin { + private static Config config; + private static final File configFile = new File(Grasscutter.getConfig().PLUGINS_FOLDER+"GCAuth/config.json"); + private static final Gson gson = new GsonBuilder().setPrettyPrinting().create(); + @Override + public void onLoad() { + if (!configFile.exists()) { + try { + Files.createDirectories(configFile.toPath().getParent()); + } catch (IOException e) { + Grasscutter.getLogger().error("Failed to create config.json for GCAuth"); + } + } + loadConfig(); + } + + @Override + public void onEnable() { + HttpServer server = Grasscutter.getDispatchServer().getServer(); + server.createContext("/grasscutter/auth_status",new AuthStatusHandler()); + server.createContext("/grasscutter/login", new LoginHandler()); + server.createContext("/grasscutter/register", new RegisterHandler()); + server.createContext("/grasscutter/change_password", new ChangePasswordHandler()); + } + + @Override + public void onDisable() { + super.onDisable(); + } + + public static void loadConfig() { + try (FileReader file = new FileReader(configFile)) { + config = gson.fromJson(file,Config.class); + saveConfig(); + } catch (Exception e) { + config = new Config(); + saveConfig(); + } + } + + public static void saveConfig() { + try (FileWriter file = new FileWriter(configFile)) { + file.write(gson.toJson(config)); + } catch (Exception e) { + Grasscutter.getLogger().error("Unable to save config file."); + } + } + + public static Config getConfig() {return config;} +} diff --git a/src/main/java/me/exzork/gcauth/handler/AbstractHandler.java b/src/main/java/me/exzork/gcauth/handler/AbstractHandler.java new file mode 100644 index 0000000..19841fa --- /dev/null +++ b/src/main/java/me/exzork/gcauth/handler/AbstractHandler.java @@ -0,0 +1,23 @@ +package me.exzork.gcauth.handler; + +import com.sun.net.httpserver.HttpExchange; +import com.sun.net.httpserver.HttpHandler; +import emu.grasscutter.Grasscutter; + +import java.io.IOException; +import java.io.OutputStream; +import java.util.Collections; + +public abstract class AbstractHandler implements HttpHandler { + void responseJSON(HttpExchange t, Object data) throws IOException { + // Create a response + String response = Grasscutter.getGsonFactory().toJson(data); + // Set the response header status and length + t.getResponseHeaders().put("Content-Type", Collections.singletonList("application/json")); + t.sendResponseHeaders(200, response.getBytes().length); + // Write the response string + OutputStream os = t.getResponseBody(); + os.write(response.getBytes()); + os.close(); + } +} diff --git a/src/main/java/me/exzork/gcauth/handler/AuthStatusHandler.java b/src/main/java/me/exzork/gcauth/handler/AuthStatusHandler.java new file mode 100644 index 0000000..4349c36 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/handler/AuthStatusHandler.java @@ -0,0 +1,18 @@ +package me.exzork.gcauth.handler; + +import com.sun.net.httpserver.HttpExchange; +import me.exzork.gcauth.GCAuth; +import me.exzork.gcauth.json.AuthResponseJson; + +import java.io.IOException; + +public class AuthStatusHandler extends AbstractHandler{ + @Override + public void handle(HttpExchange t) throws IOException { + AuthResponseJson authResponse = new AuthResponseJson(); + authResponse.success = true; + authResponse.message = GCAuth.getConfig().Enable ? "AUTH_ENABLED" : "AUTH_DISABLED"; + authResponse.jwt = ""; + responseJSON(t, authResponse); + } +} diff --git a/src/main/java/me/exzork/gcauth/handler/ChangePasswordHandler.java b/src/main/java/me/exzork/gcauth/handler/ChangePasswordHandler.java new file mode 100644 index 0000000..42a36be --- /dev/null +++ b/src/main/java/me/exzork/gcauth/handler/ChangePasswordHandler.java @@ -0,0 +1,64 @@ +package me.exzork.gcauth.handler; + +import com.google.gson.Gson; +import com.sun.net.httpserver.HttpExchange; +import emu.grasscutter.Grasscutter; +import emu.grasscutter.game.Account; +import emu.grasscutter.utils.Utils; +import me.exzork.gcauth.GCAuth; +import me.exzork.gcauth.json.AuthResponseJson; +import me.exzork.gcauth.json.ChangePasswordAccount; +import me.exzork.gcauth.utils.Authentication; + +import java.io.IOException; + +public class ChangePasswordHandler extends AbstractHandler{ + @Override + public void handle(HttpExchange t) throws IOException { + AuthResponseJson authResponse = new AuthResponseJson(); + + if (GCAuth.getConfig().Enable) { + try { + String requestBody = Utils.toString(t.getRequestBody()); + if (requestBody.isEmpty()) { + authResponse.success = false; + authResponse.message = "EMPTY_BODY"; // ENG = "No data was sent with the request" + authResponse.jwt = ""; + } else { + ChangePasswordAccount changePasswordAccount = new Gson().fromJson(requestBody, ChangePasswordAccount.class); + if (changePasswordAccount.new_password.equals(changePasswordAccount.new_password_confirmation)) { + Account account = Authentication.getAccountByUsernameAndPassword(changePasswordAccount.username, changePasswordAccount.old_password); + if (account == null) { + authResponse.success = false; + authResponse.message = "INVALID_ACCOUNT"; // ENG = "Invalid username or password" + authResponse.jwt = ""; + } + String newPassword = Authentication.generateHash(changePasswordAccount.new_password); + account.setPassword(newPassword); + account.save(); + authResponse.success = true; + authResponse.message = ""; + authResponse.jwt = ""; + } else { + authResponse.success = false; + authResponse.message = "PASSWORD_MISMATCH"; // ENG = "Passwords do not match." + authResponse.jwt = ""; + } + } + } catch (Exception e) { + authResponse.success = false; + authResponse.message = "UNKNOWN"; // ENG = "An unknown error has occurred..." + authResponse.jwt = ""; + Grasscutter.getLogger().error("[Dispatch] Error while changing user password."); + e.printStackTrace(); + responseJSON(t, authResponse); + } + } else { + authResponse.success = false; + authResponse.message = "AUTH_DISABLED"; // ENG = "Authentication is not required for this server..." + authResponse.jwt = ""; + } + + responseJSON(t, authResponse); + } +} diff --git a/src/main/java/me/exzork/gcauth/handler/LoginHandler.java b/src/main/java/me/exzork/gcauth/handler/LoginHandler.java new file mode 100644 index 0000000..53906b3 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/handler/LoginHandler.java @@ -0,0 +1,61 @@ +package me.exzork.gcauth.handler; + +import com.google.gson.Gson; +import com.sun.net.httpserver.HttpExchange; +import emu.grasscutter.Grasscutter; +import emu.grasscutter.game.Account; +import emu.grasscutter.utils.Utils; +import me.exzork.gcauth.GCAuth; +import me.exzork.gcauth.json.AuthResponseJson; +import me.exzork.gcauth.json.LoginGenerateToken; +import me.exzork.gcauth.utils.Authentication; + +import java.io.IOException; + +public class LoginHandler extends AbstractHandler{ + @Override + public void handle(HttpExchange t) throws IOException { + AuthResponseJson authResponse = new AuthResponseJson(); + + if (GCAuth.getConfig().Enable) { + try { + String requestBody = Utils.toString(t.getRequestBody()); + if (requestBody.isEmpty()) { + authResponse.success = false; + authResponse.message = "EMPTY_BODY"; // ENG = "No data was sent with the request" + authResponse.jwt = ""; + } else { + LoginGenerateToken loginGenerateToken = new Gson().fromJson(requestBody, LoginGenerateToken.class); + Account account = Authentication.getAccountByUsernameAndPassword(loginGenerateToken.username, loginGenerateToken.password); + if (account == null) { + authResponse.success = false; + authResponse.message = "INVALID_ACCOUNT"; // ENG = "Invalid username or password" + authResponse.jwt = ""; + } else { + if (account.getPassword() != null && !account.getPassword().isEmpty()) { + authResponse.success = true; + authResponse.message = ""; + authResponse.jwt = Authentication.generateJwt(account); + } else { + authResponse.success = false; + authResponse.message = "NO_PASSWORD"; // ENG = "There is no account password set. Please create a password by resetting it." + authResponse.jwt = ""; + } + } + } + } catch (Exception e) { + authResponse.success = false; + authResponse.message = "UNKNOWN"; // ENG = "An unknown error has occurred..." + authResponse.jwt = ""; + Grasscutter.getLogger().error("[Dispatch] An error occurred while a user was logging in."); + e.printStackTrace(); + } + } else { + authResponse.success = false; + authResponse.message = "AUTH_DISABLED"; // ENG = "Authentication is not required for this server..." + authResponse.jwt = ""; + } + + responseJSON(t, authResponse); + } +} diff --git a/src/main/java/me/exzork/gcauth/handler/RegisterHandler.java b/src/main/java/me/exzork/gcauth/handler/RegisterHandler.java new file mode 100644 index 0000000..96da451 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/handler/RegisterHandler.java @@ -0,0 +1,63 @@ +package me.exzork.gcauth.handler; + +import com.google.gson.Gson; +import com.sun.net.httpserver.HttpExchange; +import emu.grasscutter.Grasscutter; +import emu.grasscutter.database.DatabaseHelper; +import emu.grasscutter.game.Account; +import emu.grasscutter.utils.Utils; +import me.exzork.gcauth.GCAuth; +import me.exzork.gcauth.json.AuthResponseJson; +import me.exzork.gcauth.json.RegisterAccount; +import me.exzork.gcauth.utils.Authentication; + +import java.io.IOException; + +public class RegisterHandler extends AbstractHandler{ + @Override + public void handle(HttpExchange t) throws IOException { + AuthResponseJson authResponse = new AuthResponseJson(); + + if (GCAuth.getConfig().Enable) { + try { + String requestBody = Utils.toString(t.getRequestBody()); + if (requestBody.isEmpty()) { + authResponse.success = false; + authResponse.message = "EMPTY_BODY"; // ENG = "No data was sent with the request" + authResponse.jwt = ""; + } else { + RegisterAccount registerAccount = new Gson().fromJson(requestBody, RegisterAccount.class); + if (registerAccount.password.equals(registerAccount.password_confirmation)) { + String password = Authentication.generateHash(registerAccount.password); + Account account = DatabaseHelper.createAccountWithPassword(registerAccount.username, password); + if (account == null) { + authResponse.success = false; + authResponse.message = "USERNAME_TAKEN"; // ENG = "Username has already been taken by another user." + authResponse.jwt = ""; + } else { + authResponse.success = true; + authResponse.message = ""; + authResponse.jwt = ""; + } + } else { + authResponse.success = false; + authResponse.message = "PASSWORD_MISMATCH"; // ENG = "Passwords do not match." + authResponse.jwt = ""; + } + } + } catch (Exception e) { + authResponse.success = false; + authResponse.message = "UNKNOWN"; // ENG = "An unknown error has occurred..." + authResponse.jwt = ""; + Grasscutter.getLogger().error("[Dispatch] An error occurred while creating an account."); + e.printStackTrace(); + } + } else { + authResponse.success = false; + authResponse.message = "AUTH_DISABLED"; // ENG = "Authentication is not required for this server..." + authResponse.jwt = ""; + } + + responseJSON(t, authResponse); + } +} diff --git a/src/main/java/me/exzork/gcauth/json/AuthResponseJson.java b/src/main/java/me/exzork/gcauth/json/AuthResponseJson.java new file mode 100644 index 0000000..847fe89 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/json/AuthResponseJson.java @@ -0,0 +1,7 @@ +package me.exzork.gcauth.json; + +public class AuthResponseJson { + public boolean success; + public String message; + public String jwt; +} diff --git a/src/main/java/me/exzork/gcauth/json/ChangePasswordAccount.java b/src/main/java/me/exzork/gcauth/json/ChangePasswordAccount.java new file mode 100644 index 0000000..e823045 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/json/ChangePasswordAccount.java @@ -0,0 +1,8 @@ +package me.exzork.gcauth.json; + +public class ChangePasswordAccount { + public String username; + public String new_password; + public String new_password_confirmation; + public String old_password; +} diff --git a/src/main/java/me/exzork/gcauth/json/LoginGenerateToken.java b/src/main/java/me/exzork/gcauth/json/LoginGenerateToken.java new file mode 100644 index 0000000..9a9b854 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/json/LoginGenerateToken.java @@ -0,0 +1,6 @@ +package me.exzork.gcauth.json; + +public class LoginGenerateToken { + public String username; + public String password; +} diff --git a/src/main/java/me/exzork/gcauth/json/RegisterAccount.java b/src/main/java/me/exzork/gcauth/json/RegisterAccount.java new file mode 100644 index 0000000..880639f --- /dev/null +++ b/src/main/java/me/exzork/gcauth/json/RegisterAccount.java @@ -0,0 +1,7 @@ +package me.exzork.gcauth.json; + +public class RegisterAccount { + public String username; + public String password; + public String password_confirmation; +} diff --git a/src/main/java/me/exzork/gcauth/utils/Authentication.java b/src/main/java/me/exzork/gcauth/utils/Authentication.java new file mode 100644 index 0000000..fd4a090 --- /dev/null +++ b/src/main/java/me/exzork/gcauth/utils/Authentication.java @@ -0,0 +1,65 @@ +package me.exzork.gcauth.utils; + +import emu.grasscutter.database.DatabaseHelper; +import emu.grasscutter.game.Account; +import io.jsonwebtoken.SignatureAlgorithm; +import io.jsonwebtoken.security.Keys; +import me.exzork.gcauth.GCAuth; +import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder; +import org.springframework.security.crypto.scrypt.SCryptPasswordEncoder; +import io.jsonwebtoken.Jwts; + +import javax.crypto.SecretKey; +import java.util.HashMap; + +public final class Authentication { + public static final HashMap tokens = new HashMap(); + private static SecretKey key = Keys.secretKeyFor(SignatureAlgorithm.HS256); + public static SecretKey getKey() { + return key; + } + + public static Account getAccountByUsernameAndPassword(String username, String password) { + Account account = DatabaseHelper.getAccountByName(username); + if(account.getPassword() != null && !account.getPassword().isEmpty()) { + if(!verifyPassword(password, account.getPassword())) account = null; + } + return account; + } + + public static String generateOneTimeToken(Account account) { + String chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; + StringBuilder sb = new StringBuilder(); + for(int i = 0; i < 32; i++) { + sb.append(chars.charAt((int) (Math.random() * chars.length()))); + } + Authentication.tokens.put(sb.toString(), account.getUsername()); + return sb.toString(); + } + + public static String generateJwt(Account account) { + String jws = Jwts.builder() + .signWith(Authentication.getKey()) + .claim("token",generateOneTimeToken(account)) + .claim("username",account.getUsername()) + .claim("uid",account.getPlayerUid()) + .compact(); + return jws; + } + + public static String generateHash(String password) { + return switch (GCAuth.getConfig().Hash.toLowerCase()) { + case "bcrypt" -> new BCryptPasswordEncoder().encode(password); + case "scrypt" -> new SCryptPasswordEncoder().encode(password); + default -> password; + }; + } + + private static boolean verifyPassword(String password, String hash) { + return switch (GCAuth.getConfig().Hash.toLowerCase()) { + case "bcrypt" -> new BCryptPasswordEncoder().matches(password, hash); + case "scrypt" -> new SCryptPasswordEncoder().matches(password, hash); + default -> password.equals(hash); + }; + } +} diff --git a/src/main/resources/plugin.json b/src/main/resources/plugin.json new file mode 100644 index 0000000..05f68d5 --- /dev/null +++ b/src/main/resources/plugin.json @@ -0,0 +1,7 @@ +{ + "name": "GCAuth", + "description": "GCAuth is a plugin that allows you to implement authentication for your server.", + "version": "1.0.0", + "author": ["ExZork"], + "mainClass": "me.exzork.gcauth.GCAuth" +} \ No newline at end of file