feat: add setup wizard

backend/src/app.module.ts

@@ -1,11 +1,13 @@
-import { Module } from "@nestjs/common";
+import { HttpException, HttpStatus, Module } from "@nestjs/common";
 
 import { ScheduleModule } from "@nestjs/schedule";
 import { AuthModule } from "./auth/auth.module";
 import { JobsService } from "./jobs/jobs.service";
 
 import { APP_GUARD } from "@nestjs/core";
+import { MulterModule } from "@nestjs/platform-express";
 import { ThrottlerGuard, ThrottlerModule } from "@nestjs/throttler";
+import { Request } from "express";
 import { ConfigModule } from "./config/config.module";
 import { ConfigService } from "./config/config.service";
 import { EmailModule } from "./email/email.module";
@@ -25,6 +27,24 @@ import { UserController } from "./user/user.controller";
     EmailModule,
     PrismaModule,
     ConfigModule,
+    MulterModule.registerAsync({
+      useFactory: (config: ConfigService) => ({
+        fileFilter: (req: Request, file, cb) => {
+          const maxFileSize = config.get("maxFileSize");
+          const requestFileSize = parseInt(req.headers["content-length"]);
+          const isValidFileSize = requestFileSize <= maxFileSize;
+          cb(
+            !isValidFileSize &&
+              new HttpException(
+                `File must be smaller than ${maxFileSize} bytes`,
+                HttpStatus.PAYLOAD_TOO_LARGE
+              ),
+            isValidFileSize
+          );
+        },
+      }),
+      inject: [ConfigService],
+    }),
     ThrottlerModule.forRoot({
       ttl: 60,
       limit: 100,

backend/src/auth/auth.service.ts

@@ -27,7 +27,9 @@ export class AuthService {
       const user = await this.prisma.user.create({
         data: {
           email: dto.email,
+          username: dto.username,
           password: hash,
+          isAdmin: !this.config.get("setupFinished"),
         },
       });
 
@@ -38,16 +40,22 @@ export class AuthService {
     } catch (e) {
       if (e instanceof PrismaClientKnownRequestError) {
         if (e.code == "P2002") {
-          throw new BadRequestException("Credentials taken");
+          const duplicatedField: string = e.meta.target[0];
+          throw new BadRequestException(
+            `A user with this ${duplicatedField} already exists`
+          );
         }
       }
     }
   }
 
   async signIn(dto: AuthSignInDTO) {
-    const user = await this.prisma.user.findUnique({
+    if (!dto.email && !dto.username)
+      throw new BadRequestException("Email or username is required");
+
+    const user = await this.prisma.user.findFirst({
       where: {
-        email: dto.email,
+        OR: [{ email: dto.email }, { username: dto.username }],
       },
     });
 

backend/src/auth/dto/authRegister.dto.ts

@@ -1,3 +1,17 @@
+import { PickType } from "@nestjs/swagger";
+import { Expose } from "class-transformer";
+import { IsEmail, Length, Matches } from "class-validator";
 import { UserDTO } from "src/user/dto/user.dto";
 
-export class AuthRegisterDTO extends UserDTO {}
+export class AuthRegisterDTO extends PickType(UserDTO, ["password"] as const) {
+  @Expose()
+  @Matches("^[a-zA-Z0-9_.]*$", undefined, {
+    message: "Username can only contain letters, numbers, dots and underscores",
+  })
+  @Length(3, 32)
+  username: string;
+
+  @Expose()
+  @IsEmail()
+  email: string;
+}

backend/src/auth/dto/authSignIn.dto.ts

@@ -2,6 +2,7 @@ import { PickType } from "@nestjs/swagger";
 import { UserDTO } from "src/user/dto/user.dto";
 
 export class AuthSignInDTO extends PickType(UserDTO, [
+  "username",
   "email",
   "password",
 ] as const) {}

backend/src/auth/guard/isAdmin.guard.ts

@@ -3,9 +3,11 @@ import { User } from "@prisma/client";
 
 @Injectable()
 export class AdministratorGuard implements CanActivate {
-  canActivate(context: ExecutionContext): boolean {
+  canActivate(context: ExecutionContext) {
     const { user }: { user: User } = context.switchToHttp().getRequest();
+
     if (!user) return false;
-    return user.isAdministrator;
+
+    return user.isAdmin;
   }
 }

backend/src/auth/strategy/jwt.strategy.ts

@@ -8,7 +8,6 @@ import { PrismaService } from "src/prisma/prisma.service";
 @Injectable()
 export class JwtStrategy extends PassportStrategy(Strategy) {
   constructor(config: ConfigService, private prisma: PrismaService) {
-    console.log(config.get("jwtSecret"));
     config.get("jwtSecret");
     super({
       jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
@@ -17,11 +16,9 @@ export class JwtStrategy extends PassportStrategy(Strategy) {
   }
 
   async validate(payload: { sub: string }) {
-    console.log("vali");
     const user: User = await this.prisma.user.findUnique({
       where: { id: payload.sub },
     });
-    console.log({ user });
     return user;
   }
 }

backend/src/config/config.controller.ts

@@ -1,5 +1,14 @@
-import { Body, Controller, Get, Param, Patch, UseGuards } from "@nestjs/common";
+import {
+  Body,
+  Controller,
+  Get,
+  Param,
+  Patch,
+  Post,
+  UseGuards,
+} from "@nestjs/common";
 import { AdministratorGuard } from "src/auth/guard/isAdmin.guard";
+import { JwtGuard } from "src/auth/guard/jwt.guard";
 import { ConfigService } from "./config.service";
 import { AdminConfigDTO } from "./dto/adminConfig.dto";
 import { ConfigDTO } from "./dto/config.dto";
@@ -15,7 +24,7 @@ export class ConfigController {
   }
 
   @Get("admin")
-  @UseGuards(AdministratorGuard)
+  @UseGuards(JwtGuard, AdministratorGuard)
   async listForAdmin() {
     return new AdminConfigDTO().fromList(
       await this.configService.listForAdmin()
@@ -23,10 +32,16 @@ export class ConfigController {
   }
 
   @Patch("admin/:key")
-  @UseGuards(AdministratorGuard)
+  @UseGuards(JwtGuard, AdministratorGuard)
   async update(@Param("key") key: string, @Body() data: UpdateConfigDTO) {
     return new AdminConfigDTO().from(
       await this.configService.update(key, data.value)
     );
   }
+
+  @Post("admin/finishSetup")
+  @UseGuards(JwtGuard, AdministratorGuard)
+  async finishSetup() {
+    return await this.configService.finishSetup();
+  }
 }

backend/src/config/config.service.ts

@@ -21,27 +21,21 @@ export class ConfigService {
 
     if (!configVariable) throw new Error(`Config variable ${key} not found`);
 
-    const value = configVariable.value ?? configVariable.default;
-
-    if (configVariable.type == "number") return parseInt(value);
-    if (configVariable.type == "boolean") return value == "true";
-    if (configVariable.type == "string") return value;
+    if (configVariable.type == "number") return parseInt(configVariable.value);
+    if (configVariable.type == "boolean") return configVariable.value == "true";
+    if (configVariable.type == "string") return configVariable.value;
   }
 
   async listForAdmin() {
-    return await this.prisma.config.findMany();
+    return await this.prisma.config.findMany({
+      where: { locked: { equals: false } },
+    });
   }
 
   async list() {
-    const configVariables = await this.prisma.config.findMany({
+    return await this.prisma.config.findMany({
       where: { secret: { equals: false } },
     });
-
-    return configVariables.map((configVariable) => {
-      if (!configVariable.value) configVariable.value = configVariable.default;
-
-      return configVariable;
-    });
   }
 
   async update(key: string, value: string | number | boolean) {
@@ -57,9 +51,20 @@ export class ConfigService {
         `Config variable must be of type ${configVariable.type}`
       );
 
-    return await this.prisma.config.update({
+    const updatedVariable = await this.prisma.config.update({
       where: { key },
       data: { value: value.toString() },
     });
+
+    this.configVariables = await this.prisma.config.findMany();
+
+    return updatedVariable;
+  }
+
+  async finishSetup() {
+    return await this.prisma.config.update({
+      where: { key: "setupFinished" },
+      data: { value: "true" },
+    });
   }
 }

backend/src/config/dto/adminConfig.dto.ts

@@ -2,17 +2,19 @@ import { Expose, plainToClass } from "class-transformer";
 import { ConfigDTO } from "./config.dto";
 
 export class AdminConfigDTO extends ConfigDTO {
-  @Expose()
-  default: string;
-
   @Expose()
   secret: boolean;
 
   @Expose()
   updatedAt: Date;
 
+  @Expose()
+  description: string;
+
   from(partial: Partial<AdminConfigDTO>) {
-    return plainToClass(AdminConfigDTO, partial, { excludeExtraneousValues: true });
+    return plainToClass(AdminConfigDTO, partial, {
+      excludeExtraneousValues: true,
+    });
   }
 
   fromList(partial: Partial<AdminConfigDTO>[]) {

backend/src/configVariables.ts

@@ -0,0 +1,88 @@
+import * as crypto from "crypto";
+
+const configVariables = [
+  {
+    key: "setupFinished",
+    description: "Whether the setup has been finished",
+    type: "boolean",
+    value: "false",
+    secret: false,
+    locked: true,
+  },
+  {
+    key: "appUrl",
+    description: "On which URL Pingvin Share is available",
+    type: "string",
+    value: "http://localhost:3000",
+    secret: false,
+  },
+  {
+    key: "showHomePage",
+    description: "Whether to show the home page",
+    type: "boolean",
+    value: "true",
+    secret: false,
+  },
+  {
+    key: "allowRegistration",
+    description: "Whether registration is allowed",
+    type: "boolean",
+    value: "true",
+    secret: false,
+  },
+  {
+    key: "allowUnauthenticatedShares",
+    description: "Whether unauthorized users can create shares",
+    type: "boolean",
+    value: "false",
+    secret: false,
+  },
+  {
+    key: "maxFileSize",
+    description: "Maximum file size in bytes",
+    type: "number",
+    value: "1000000000",
+    secret: false,
+  },
+  {
+    key: "jwtSecret",
+    description: "Long random string used to sign JWT tokens",
+    type: "string",
+    value: crypto.randomBytes(256).toString("base64"),
+    locked: true,
+  },
+  {
+    key: "emailRecipientsEnabled",
+    description:
+      "Whether to send emails to recipients. Only set this to true if you entered the host, port, email and password of your SMTP server.",
+    type: "boolean",
+    value: "false",
+    secret: false,
+  },
+  {
+    key: "smtpHost",
+    description: "Host of the SMTP server",
+    type: "string",
+    value: "",
+  },
+  {
+    key: "smtpPort",
+    description: "Port of the SMTP server",
+    type: "number",
+    value: "",
+  },
+  {
+    key: "smtpEmail",
+    description: "Email address of the SMTP server",
+    type: "string",
+    value: "",
+  },
+  {
+    key: "smtpPassword",
+    description: "Password of the SMTP server",
+    type: "string",
+    value: "",
+  },
+];
+
+export default configVariables;

backend/src/email/email.service.ts

@@ -23,17 +23,13 @@ export class EmailService {
       throw new InternalServerErrorException("Email service disabled");
 
     const shareUrl = `${this.config.get("APP_URL")}/share/${shareId}`;
-    const creatorIdentifier = creator
-      ? creator.firstName && creator.lastName
-        ? `${creator.firstName} ${creator.lastName}`
-        : creator.email
-      : "A Pingvin Share user";
+  
 
     await transporter.sendMail({
       from: `"Pingvin Share" <${this.config.get("SMTP_EMAIL")}>`,
       to: recipientEmail,
       subject: "Files shared with you",
-      text: `Hey!\n${creatorIdentifier} shared some files with you. View or dowload the files with this link: ${shareUrl}.\n Shared securely with Pingvin Share 🐧`,
+      text: `Hey!\n${creator.username} shared some files with you. View or dowload the files with this link: ${shareUrl}.\n Shared securely with Pingvin Share 🐧`,
     });
   }
 }

backend/src/file/file.controller.ts

@@ -18,7 +18,6 @@ import { ShareDTO } from "src/share/dto/share.dto";
 import { ShareOwnerGuard } from "src/share/guard/shareOwner.guard";
 import { ShareSecurityGuard } from "src/share/guard/shareSecurity.guard";
 import { FileService } from "./file.service";
-import { FileValidationPipe } from "./pipe/fileValidation.pipe";
 
 @Controller("shares/:shareId/files")
 export class FileController {
@@ -32,7 +31,7 @@ export class FileController {
     })
   )
   async create(
-    @UploadedFile(FileValidationPipe)
+    @UploadedFile()
     file: Express.Multer.File,
     @Param("shareId") shareId: string
   ) {

backend/src/file/pipe/fileValidation.pipe.ts

@@ -1,13 +1,17 @@
-import { ArgumentMetadata, Injectable, PipeTransform } from "@nestjs/common";
+import {
+  ArgumentMetadata,
+  BadRequestException,
+  Injectable,
+  PipeTransform,
+} from "@nestjs/common";
 import { ConfigService } from "src/config/config.service";
 
 @Injectable()
 export class FileValidationPipe implements PipeTransform {
   constructor(private config: ConfigService) {}
   async transform(value: any, metadata: ArgumentMetadata) {
-    // "value" is an object containing the file's attributes and metadata
-    console.log(this.config.get("maxFileSize"));
-    const oneKb = 1000;
-    return value.size < oneKb;
+    if (value.size > this.config.get("maxFileSize"))
+      throw new BadRequestException("File is ");
+    return value;
   }
 }

backend/src/share/dto/createShare.dto.ts

@@ -11,7 +11,7 @@ import { ShareSecurityDTO } from "./shareSecurity.dto";
 export class CreateShareDTO {
   @IsString()
   @Matches("^[a-zA-Z0-9_-]*$", undefined, {
-    message: "ID only can contain letters, numbers, underscores and hyphens",
+    message: "ID can only contain letters, numbers, underscores and hyphens",
   })
   @Length(3, 50)
   id: string;

backend/src/user/dto/user.dto.ts

@@ -1,18 +1,17 @@
 import { Expose, plainToClass } from "class-transformer";
-import { IsEmail, IsNotEmpty, IsString } from "class-validator";
+import { IsEmail, IsNotEmpty, IsOptional, IsString } from "class-validator";
 
 export class UserDTO {
   @Expose()
   id: string;
 
   @Expose()
-  firstName: string;
+  @IsOptional()
+  @IsString()
+  username: string;
 
   @Expose()
-  lastName: string;
-
-  @Expose()
-  @IsNotEmpty()
+  @IsOptional()
   @IsEmail()
   email: string;
 
@@ -20,6 +19,9 @@ export class UserDTO {
   @IsString()
   password: string;
 
+  @Expose()
+  isAdmin: boolean;
+
   from(partial: Partial<UserDTO>) {
     return plainToClass(UserDTO, partial, { excludeExtraneousValues: true });
   }