change images to use ids instead of hashes

backend/src/collections/imagedb/imagedb.service.ts

@@ -1,9 +1,8 @@
 import { Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
-import Crypto from 'crypto';
 import {
   AsyncFailable,
-  Fail, HasSuccess
+  Fail
 } from 'picsur-shared/dist/types';
 import { Repository } from 'typeorm';
 import { EImageBackend } from '../../models/entities/image.entity';
@@ -20,14 +19,9 @@ export class ImageDBService {
     image: Buffer,
     type: string,
   ): AsyncFailable<EImageBackend> {
-    const hash = this.hash(image);
-    const find = await this.findOne(hash);
-    if (HasSuccess(find)) return find;
-
     let imageEntity = new EImageBackend();
     imageEntity.data = image;
     imageEntity.mime = type;
-    imageEntity.hash = hash;
 
     try {
       imageEntity = await this.imageRepository.save(imageEntity);
@@ -39,14 +33,14 @@ export class ImageDBService {
   }
 
   public async findOne<B extends true | undefined = undefined>(
-    hash: string,
+    id: string,
     getPrivate?: B,
   ): AsyncFailable<
     B extends undefined ? EImageBackend : Required<EImageBackend>
   > {
     try {
       const found = await this.imageRepository.findOne({
-        where: { hash },
+        where: { id },
         select: getPrivate ? GetCols(this.imageRepository) : undefined,
       });
 
@@ -79,9 +73,9 @@ export class ImageDBService {
     }
   }
 
-  public async delete(hash: string): AsyncFailable<true> {
+  public async delete(id: string): AsyncFailable<true> {
     try {
-      const result = await this.imageRepository.delete({ hash });
+      const result = await this.imageRepository.delete({ id });
       if (result.affected === 0) return Fail('Image not found');
     } catch (e: any) {
       return Fail(e?.message);
@@ -100,8 +94,4 @@ export class ImageDBService {
     }
     return true;
   }
-
-  private hash(image: Buffer): string {
-    return Crypto.createHash('sha256').update(image).digest('hex');
-  }
 }

backend/src/managers/imagemanager/imagemanager.service.ts

@@ -19,16 +19,16 @@ export class ImageManagerService {
     private readonly processService: ImageProcessorService,
   ) {}
 
-  public async retrieveInfo(hash: string): AsyncFailable<EImageBackend> {
-    return await this.imagesService.findOne(hash);
+  public async retrieveInfo(id: string): AsyncFailable<EImageBackend> {
+    return await this.imagesService.findOne(id);
   }
 
   // Image data buffer is not included by default, this also returns that buffer
   // Dont send to client, keep in backend
   public async retrieveComplete(
-    hash: string,
+    id: string,
   ): AsyncFailable<Required<EImageBackend>> {
-    return await this.imagesService.findOne(hash, true);
+    return await this.imagesService.findOne(id, true);
   }
 
   public async upload(

backend/src/models/entities/image.entity.ts

@@ -1,5 +1,5 @@
 import { EImageSchema } from 'picsur-shared/dist/entities/image.entity';
-import { Column, Entity, Index, PrimaryGeneratedColumn } from 'typeorm';
+import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
 import { z } from 'zod';
 
 const OverriddenEImageSchema = EImageSchema.omit({ data: true }).merge(
@@ -12,11 +12,7 @@ type OverriddenEImage = z.infer<typeof OverriddenEImageSchema>;
 @Entity()
 export class EImageBackend implements OverriddenEImage {
   @PrimaryGeneratedColumn('uuid')
-  id?: string;
-
-  @Index()
-  @Column({ unique: true, nullable: false })
-  hash: string;
+  id: string;
 
   @Column({ nullable: false })
   mime: string;
@@ -24,4 +20,7 @@ export class EImageBackend implements OverriddenEImage {
   // Binary data
   @Column({ type: 'bytea', nullable: false, select: false })
   data?: Buffer;
+
+  @Column({ type: 'bytea', nullable: true, select: false })
+  originaldata?: Buffer;
 }

backend/src/routes/image/imageid.validator.ts

@@ -4,13 +4,12 @@ import {
   Injectable,
   PipeTransform
 } from '@nestjs/common';
-import { SHA256Regex } from 'picsur-shared/dist/util/common-regex';
+import { UUIDRegex } from 'picsur-shared/dist/util/common-regex';
 
 @Injectable()
 export class ImageIdValidator implements PipeTransform<string, string> {
   transform(value: string, metadata: ArgumentMetadata): string {
-    // Check regex for sha256
-    if (SHA256Regex.test(value)) return value;
+    if (UUIDRegex.test(value)) return value;
     throw new BadRequestException('Invalid image id');
   }
 }

backend/src/routes/image/imageroute.controller.ts

@@ -30,14 +30,14 @@ export class ImageController {
 
   constructor(private readonly imagesService: ImageManagerService) {}
 
-  @Get(':hash')
+  @Get(':id')
   async getImage(
     // Usually passthrough is for manually sending the response,
     // But we need it here to set the mime type
     @Res({ passthrough: true }) res: FastifyReply,
-    @Param('hash', ImageIdValidator) hash: string,
+    @Param('id', ImageIdValidator) id: string,
   ): Promise<Buffer> {
-    const image = await this.imagesService.retrieveComplete(hash);
+    const image = await this.imagesService.retrieveComplete(id);
     if (HasFailed(image)) {
       this.logger.warn(image.getReason());
       throw new NotFoundException('Could not find image');
@@ -47,12 +47,12 @@ export class ImageController {
     return image.data;
   }
 
-  @Head(':hash')
+  @Head(':id')
   async headImage(
     @Res({ passthrough: true }) res: FastifyReply,
-    @Param('hash', ImageIdValidator) hash: string,
+    @Param('id', ImageIdValidator) id: string,
   ) {
-    const image = await this.imagesService.retrieveInfo(hash);
+    const image = await this.imagesService.retrieveInfo(id);
     if (HasFailed(image)) {
       this.logger.warn(image.getReason());
       throw new NotFoundException('Could not find image');
@@ -61,12 +61,12 @@ export class ImageController {
     res.type(image.mime);
   }
 
-  @Get('meta/:hash')
+  @Get('meta/:id')
   @Returns(ImageMetaResponse)
   async getImageMeta(
-    @Param('hash', ImageIdValidator) hash: string,
+    @Param('id', ImageIdValidator) id: string,
   ): Promise<ImageMetaResponse> {
-    const image = await this.imagesService.retrieveInfo(hash);
+    const image = await this.imagesService.retrieveInfo(id);
     if (HasFailed(image)) {
       this.logger.warn(image.getReason());
       throw new NotFoundException('Could not find image');

frontend/src/app/routes/processing/processing.component.ts

@@ -23,11 +23,11 @@ export class ProcessingComponent implements OnInit {
 
     history.replaceState(null, '');
 
-    const hash = await this.imageService.UploadImage(state.imageFile);
-    if (HasFailed(hash)) {
-      return this.utilService.quitError(hash.getReason());
+    const id = await this.imageService.UploadImage(state.imageFile);
+    if (HasFailed(id)) {
+      return this.utilService.quitError(id.getReason());
     }
 
-    this.router.navigate([`/view/`, hash], { replaceUrl: true });
+    this.router.navigate([`/view/`, id], { replaceUrl: true });
   }
 }

frontend/src/app/routes/view/view.component.ts

@@ -2,7 +2,7 @@ import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { ImageLinks } from 'picsur-shared/dist/dto/imagelinks.dto';
 import { HasFailed } from 'picsur-shared/dist/types';
-import { SHA256Regex } from 'picsur-shared/dist/util/common-regex';
+import { UUIDRegex } from 'picsur-shared/dist/util/common-regex';
 import { ImageService } from 'src/app/services/api/image.service';
 import { UtilService } from 'src/app/util/util.service';
 
@@ -22,17 +22,17 @@ export class ViewComponent implements OnInit {
 
   async ngOnInit() {
     const params = this.route.snapshot.paramMap;
-    const hash = params.get('hash') ?? '';
-    if (!SHA256Regex.test(hash)) {
+    const id = params.get('id') ?? '';
+    if (!UUIDRegex.test(id)) {
       return this.utilService.quitError('Invalid image link');
     }
 
-    const metadata = await this.imageService.GetImageMeta(hash);
+    const metadata = await this.imageService.GetImageMeta(id);
     if (HasFailed(metadata)) {
       return this.utilService.quitError(metadata.getReason());
     }
 
-    this.imageLinks = this.imageService.CreateImageLinksFromID(hash);
+    this.imageLinks = this.imageService.CreateImageLinksFromID(id);
   }
 
   downloadImage() {

frontend/src/app/routes/view/view.routing.module.ts

@@ -7,7 +7,7 @@ import { ViewComponent } from './view.component';
 
 const routes: PRoutes = [
   {
-    path: ':hash',
+    path: ':id',
     component: ViewComponent,
     canActivate: [PermissionGuard],
     data: { permissions: [Permission.ImageView] },

frontend/src/app/services/api/image.service.ts

@@ -19,7 +19,7 @@ export class ImageService {
       new ImageUploadRequest(image)
     );
 
-    return Open(result, 'hash');
+    return Open(result, 'id');
   }
 
   public async GetImageMeta(image: string): AsyncFailable<EImage> {

shared/src/entities/image.entity.ts

@@ -1,10 +1,8 @@
 import { z } from 'zod';
-import { SHA256Regex } from '../util/common-regex';
 import { IsEntityID } from '../validators/entity-id.validator';
 
 export const EImageSchema = z.object({
-  id: IsEntityID().optional(),
-  hash: z.string().regex(SHA256Regex),
+  id: IsEntityID(),
   data: z.undefined(),
   mime: z.string(),
 });