base con autenticacion, registro, modulo encuestas

apps/api/src/common/pipes/file-size-validator.pipe.ts

@@ -0,0 +1,38 @@
+import { FileValidator } from '@nestjs/common';
+import { IFile } from '@nestjs/common/pipes/file/interfaces';
+
+export interface FileSizeValidatorOptions {
+  fileSize: number;
+}
+
+/**
+ * Defines the built-in FileType File Validator. It validates incoming files mime-type
+ * matching a string or a regular expression. Note that this validator uses a naive strategy
+ * to check the mime-type and could be fooled if the client provided a file with renamed extension.
+ * (for instance, renaming a 'malicious.bat' to 'malicious.jpeg'). To handle such security issues
+ * with more reliability, consider checking against the file's [magic-numbers](https://en.wikipedia.org/wiki/Magic_number_%28programming%29)
+ *
+ * @see [File Validators](https://docs.nestjs.com/techniques/file-upload#validators)
+ *
+ * @publicApi
+ */
+export class FileSizeValidatorPipe extends FileValidator<
+  FileSizeValidatorOptions,
+  IFile
+> {
+  buildErrorMessage(): string {
+    return `Max file size is ${(this.validationOptions.fileSize * 0.000001).toFixed()} Mb`;
+  }
+
+  isValid(file?: IFile): boolean {
+    if (!this.validationOptions) {
+      return true;
+    }
+
+    return (
+      !!file &&
+      'mimetype' in file &&
+      +file.size < this.validationOptions.fileSize
+    );
+  }
+}

apps/api/src/common/pipes/file-type-validator.pipe.ts

@@ -0,0 +1,38 @@
+import { FileValidator } from '@nestjs/common';
+import { IFile } from '@nestjs/common/pipes/file/interfaces';
+
+export interface FileTypeValidatorOptions {
+  fileType: string[];
+}
+
+/**
+ * Defines the built-in FileType File Validator. It validates incoming files mime-type
+ * matching a string or a regular expression. Note that this validator uses a naive strategy
+ * to check the mime-type and could be fooled if the client provided a file with renamed extension.
+ * (for instance, renaming a 'malicious.bat' to 'malicious.jpeg'). To handle such security issues
+ * with more reliability, consider checking against the file's [magic-numbers](https://en.wikipedia.org/wiki/Magic_number_%28programming%29)
+ *
+ * @see [File Validators](https://docs.nestjs.com/techniques/file-upload#validators)
+ *
+ * @publicApi
+ */
+export class FileTypeValidatorPipe extends FileValidator<
+  FileTypeValidatorOptions,
+  IFile
+> {
+  buildErrorMessage(): string {
+    return `File must be ${this.validationOptions.fileType}`;
+  }
+
+  isValid(file?: IFile): boolean {
+    if (!this.validationOptions) {
+      return true;
+    }
+
+    return (
+      !!file &&
+      'mimetype' in file &&
+      this.validationOptions.fileType.includes(file.mimetype)
+    );
+  }
+}

apps/api/src/common/pipes/index.ts

@@ -0,0 +1,3 @@
+export * from './file-size-validator.pipe';
+export * from './file-type-validator.pipe';
+export * from './zod-validator.pipe';

apps/api/src/common/pipes/zod-validator.pipe.ts

@@ -0,0 +1,17 @@
+import { BadRequestException, PipeTransform } from '@nestjs/common';
+import { ZodSchema, z } from 'zod';
+
+export class ZodValidatorPipe implements PipeTransform {
+  constructor(private schema: ZodSchema) {}
+  transform(
+    value: unknown,
+    // metadata: ArgumentMetadata,
+  ): z.infer<typeof this.schema> {
+    const validateFields = this.schema.safeParse(value);
+    if (!validateFields.success)
+      throw new BadRequestException({
+        errors: validateFields.error.flatten().fieldErrors,
+      });
+    return validateFields.data;
+  }
+}