mirror of
https://github.com/stonith404/pingvin-share.git
synced 2024-10-05 19:00:12 +02:00
325 lines
8.8 KiB
TypeScript
325 lines
8.8 KiB
TypeScript
import {
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BadRequestException,
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ForbiddenException,
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Injectable,
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NotFoundException,
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} from "@nestjs/common";
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import { JwtService } from "@nestjs/jwt";
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import { Share, User } from "@prisma/client";
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import * as archiver from "archiver";
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import * as argon from "argon2";
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import * as fs from "fs";
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import * as moment from "moment";
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import { ClamScanService } from "src/clamscan/clamscan.service";
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import { ConfigService } from "src/config/config.service";
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import { EmailService } from "src/email/email.service";
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import { FileService } from "src/file/file.service";
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import { PrismaService } from "src/prisma/prisma.service";
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import { ReverseShareService } from "src/reverseShare/reverseShare.service";
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import { CreateShareDTO } from "./dto/createShare.dto";
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@Injectable()
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export class ShareService {
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constructor(
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private prisma: PrismaService,
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private fileService: FileService,
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private emailService: EmailService,
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private config: ConfigService,
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private jwtService: JwtService,
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private reverseShareService: ReverseShareService,
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private clamScanService: ClamScanService
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) {}
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async create(share: CreateShareDTO, user?: User, reverseShareToken?: string) {
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if (!(await this.isShareIdAvailable(share.id)).isAvailable)
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throw new BadRequestException("Share id already in use");
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if (!share.security || Object.keys(share.security).length == 0)
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share.security = undefined;
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if (share.security?.password) {
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share.security.password = await argon.hash(share.security.password);
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}
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let expirationDate: Date;
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// If share is created by a reverse share token override the expiration date
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if (reverseShareToken) {
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const { shareExpiration } = await this.reverseShareService.getByToken(
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reverseShareToken
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);
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expirationDate = shareExpiration;
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} else {
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// We have to add an exception for "never" (since moment won't like that)
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if (share.expiration !== "never") {
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expirationDate = moment()
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.add(
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share.expiration.split("-")[0],
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share.expiration.split(
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"-"
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)[1] as moment.unitOfTime.DurationConstructor
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)
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.toDate();
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} else {
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expirationDate = moment(0).toDate();
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}
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}
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fs.mkdirSync(`./data/uploads/shares/${share.id}`, {
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recursive: true,
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});
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const shareTuple = await this.prisma.share.create({
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data: {
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...share,
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expiration: expirationDate,
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creator: { connect: user ? { id: user.id } : undefined },
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security: { create: share.security },
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recipients: {
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create: share.recipients
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? share.recipients.map((email) => ({ email }))
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: [],
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},
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},
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});
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if (reverseShareToken) {
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// Assign share to reverse share token
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await this.prisma.reverseShare.update({
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where: { token: reverseShareToken },
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data: {
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shareId: share.id,
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},
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});
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}
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return shareTuple;
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}
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async createZip(shareId: string) {
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const path = `./data/uploads/shares/${shareId}`;
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const files = await this.prisma.file.findMany({ where: { shareId } });
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const archive = archiver("zip", {
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zlib: { level: 9 },
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});
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const writeStream = fs.createWriteStream(`${path}/archive.zip`);
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for (const file of files) {
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archive.append(fs.createReadStream(`${path}/${file.id}`), {
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name: file.name,
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});
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}
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archive.pipe(writeStream);
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await archive.finalize();
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}
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async complete(id: string, reverseShareToken?: string) {
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const share = await this.prisma.share.findUnique({
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where: { id },
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include: {
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files: true,
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recipients: true,
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creator: true,
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reverseShare: { include: { creator: true } },
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},
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});
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if (await this.isShareCompleted(id))
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throw new BadRequestException("Share already completed");
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if (share.files.length == 0)
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throw new BadRequestException(
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"You need at least on file in your share to complete it."
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);
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// Asynchronously create a zip of all files
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if (share.files.length > 1)
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this.createZip(id).then(() =>
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this.prisma.share.update({ where: { id }, data: { isZipReady: true } })
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);
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// Send email for each recepient
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for (const recepient of share.recipients) {
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await this.emailService.sendMailToShareRecepients(
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recepient.email,
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share.id,
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share.creator
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);
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}
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if (
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share.reverseShare &&
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this.config.get("SMTP_ENABLED") &&
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share.reverseShare.sendEmailNotification
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) {
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await this.emailService.sendMailToReverseShareCreator(
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share.reverseShare.creator.email,
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share.id
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);
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}
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// Check if any file is malicious with ClamAV
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this.clamScanService.checkAndRemove(share.id);
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if (reverseShareToken) {
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await this.prisma.reverseShare.update({
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where: { token: reverseShareToken },
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data: { used: true },
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});
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}
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return await this.prisma.share.update({
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where: { id },
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data: { uploadLocked: true },
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});
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}
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async getSharesByUser(userId: string) {
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const shares = await this.prisma.share.findMany({
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where: {
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creator: { id: userId },
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uploadLocked: true,
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// We want to grab any shares that are not expired or have their expiration date set to "never" (unix 0)
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OR: [
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{ expiration: { gt: new Date() } },
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{ expiration: { equals: moment(0).toDate() } },
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],
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},
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orderBy: {
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expiration: "desc",
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},
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include: { recipients: true },
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});
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const sharesWithEmailRecipients = shares.map((share) => {
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return {
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...share,
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recipients: share.recipients.map((recipients) => recipients.email),
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};
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});
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return sharesWithEmailRecipients;
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}
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async get(id: string) {
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const share = await this.prisma.share.findUnique({
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where: { id },
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include: {
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files: true,
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creator: true,
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},
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});
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if (share.removedReason)
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throw new NotFoundException(share.removedReason, "share_removed");
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if (!share || !share.uploadLocked)
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throw new NotFoundException("Share not found");
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return share as any;
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}
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async getMetaData(id: string) {
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const share = await this.prisma.share.findUnique({
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where: { id },
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});
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if (!share || !share.uploadLocked)
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throw new NotFoundException("Share not found");
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return share;
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}
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async remove(shareId: string) {
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const share = await this.prisma.share.findUnique({
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where: { id: shareId },
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});
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if (!share) throw new NotFoundException("Share not found");
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if (!share.creatorId)
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throw new ForbiddenException("Anonymous shares can't be deleted");
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await this.fileService.deleteAllFiles(shareId);
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await this.prisma.share.delete({ where: { id: shareId } });
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}
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async isShareCompleted(id: string) {
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return (await this.prisma.share.findUnique({ where: { id } })).uploadLocked;
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}
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async isShareIdAvailable(id: string) {
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const share = await this.prisma.share.findUnique({ where: { id } });
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return { isAvailable: !share };
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}
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async increaseViewCount(share: Share) {
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await this.prisma.share.update({
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where: { id: share.id },
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data: { views: share.views + 1 },
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});
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}
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async getShareToken(shareId: string, password: string) {
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const share = await this.prisma.share.findFirst({
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where: { id: shareId },
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include: {
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security: true,
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},
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});
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if (
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share?.security?.password &&
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!(await argon.verify(share.security.password, password))
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) {
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throw new ForbiddenException("Wrong password");
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}
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if (share.security?.maxViews && share.security.maxViews <= share.views) {
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throw new ForbiddenException(
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"Maximum views exceeded",
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"share_max_views_exceeded"
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);
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}
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const token = await this.generateShareToken(shareId);
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await this.increaseViewCount(share);
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return token;
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}
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async generateShareToken(shareId: string) {
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const { expiration } = await this.prisma.share.findUnique({
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where: { id: shareId },
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});
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return this.jwtService.sign(
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{
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shareId,
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},
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{
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expiresIn: moment(expiration).diff(new Date(), "seconds") + "s",
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secret: this.config.get("JWT_SECRET"),
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}
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);
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}
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async verifyShareToken(shareId: string, token: string) {
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const { expiration } = await this.prisma.share.findUnique({
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where: { id: shareId },
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});
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try {
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const claims = this.jwtService.verify(token, {
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secret: this.config.get("JWT_SECRET"),
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// Ignore expiration if expiration is 0
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ignoreExpiration: moment(expiration).isSame(0),
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});
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return claims.shareId == shareId;
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} catch {
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return false;
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}
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}
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}
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