feat: upload module (#486)

* feat: wip upload module

* feat: local storage and serve local images

* feat: protect against injections

* feat: server local and s3 files

* fix: use storage location when serving local files

* feat: cross field env validation

server/src/integrations/environment/environment.service.ts

@@ -0,0 +1,66 @@
+/* eslint-disable @typescript-eslint/no-non-null-assertion */
+import { Injectable } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import { AwsRegion } from './interfaces/aws-region.interface';
+import { StorageType } from './interfaces/storage.interface';
+
+@Injectable()
+export class EnvironmentService {
+  constructor(private configService: ConfigService) {}
+
+  getPGDatabaseUrl(): string {
+    return this.configService.get<string>('PG_DATABASE_URL')!;
+  }
+
+  getAccessTokenSecret(): string {
+    return this.configService.get<string>('ACCESS_TOKEN_SECRET')!;
+  }
+
+  getAccessTokenExpiresIn(): string {
+    return this.configService.get<string>('ACCESS_TOKEN_EXPIRES_IN')!;
+  }
+
+  getRefreshTokenSecret(): string {
+    return this.configService.get<string>('REFRESH_TOKEN_SECRET')!;
+  }
+
+  getRefreshTokenExpiresIn(): string {
+    return this.configService.get<string>('REFRESH_TOKEN_EXPIRES_IN')!;
+  }
+
+  getLoginTokenSecret(): string {
+    return this.configService.get<string>('LOGIN_TOKEN_SECRET')!;
+  }
+
+  getLoginTokenExpiresIn(): string {
+    return this.configService.get<string>('LOGIN_TOKEN_EXPIRES_IN')!;
+  }
+
+  getFrontAuthCallbackUrl(): string {
+    return this.configService.get<string>('FRONT_AUTH_CALLBACK_URL')!;
+  }
+
+  getAuthGoogleClientId(): string | undefined {
+    return this.configService.get<string>('AUTH_GOOGLE_CLIENT_ID');
+  }
+
+  getAuthGoogleClientSecret(): string | undefined {
+    return this.configService.get<string>('AUTH_GOOGLE_CLIENT_SECRET');
+  }
+
+  getAuthGoogleCallbackUrl(): string | undefined {
+    return this.configService.get<string>('AUTH_GOOGLE_CALLBACK_URL');
+  }
+
+  getStorageType(): StorageType | undefined {
+    return this.configService.get<StorageType>('STORAGE_TYPE');
+  }
+
+  getStorageRegion(): AwsRegion | undefined {
+    return this.configService.get<AwsRegion>('STORAGE_REGION');
+  }
+
+  getStorageLocation(): string {
+    return this.configService.get<string>('STORAGE_LOCATION')!;
+  }
+}