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/utils/camel-case.ts

@@ -0,0 +1,26 @@
+import isObject from 'lodash.isobject';
+import lodashCamelCase from 'lodash.camelcase';
+import { CamelCase, CamelCasedPropertiesDeep } from 'type-fest';
+
+export const camelCase = <T>(text: T) =>
+  lodashCamelCase(text as unknown as string) as CamelCase<T>;
+
+export const camelCaseDeep = <T>(value: T): CamelCasedPropertiesDeep<T> => {
+  // Check if it's an array
+  if (Array.isArray(value)) {
+    return value.map(camelCaseDeep) as CamelCasedPropertiesDeep<T>;
+  }
+
+  // Check if it's an object
+  if (isObject(value)) {
+    const result: Record<string, any> = {};
+
+    for (const key in value) {
+      result[camelCase(key)] = camelCaseDeep(value[key]);
+    }
+
+    return result as CamelCasedPropertiesDeep<T>;
+  }
+
+  return value as CamelCasedPropertiesDeep<T>;
+};

server/src/utils/image.ts

@@ -0,0 +1,21 @@
+const cropRegex = /([w|h])([0-9]+)/;
+
+export type ShortCropSize = `${'w' | 'h'}${number}` | 'original';
+
+export interface CropSize {
+  type: 'width' | 'height';
+  value: number;
+}
+
+export const getCropSize = (value: ShortCropSize): CropSize | null => {
+  const match = value.match(cropRegex);
+
+  if (value === 'original' || match === null) {
+    return null;
+  }
+
+  return {
+    type: match[1] === 'w' ? 'width' : 'height',
+    value: +match[2],
+  };
+};

server/src/utils/kebab-case.ts

@@ -0,0 +1,26 @@
+import isObject from 'lodash.isobject';
+import lodashKebabCase from 'lodash.kebabcase';
+import { KebabCase, KebabCasedPropertiesDeep } from 'type-fest';
+
+export const kebabCase = <T>(text: T) =>
+  lodashKebabCase(text as unknown as string) as KebabCase<T>;
+
+export const kebabCaseDeep = <T>(value: T): KebabCasedPropertiesDeep<T> => {
+  // Check if it's an array
+  if (Array.isArray(value)) {
+    return value.map(kebabCaseDeep) as KebabCasedPropertiesDeep<T>;
+  }
+
+  // Check if it's an object
+  if (isObject(value)) {
+    const result: Record<string, any> = {};
+
+    for (const key in value) {
+      result[kebabCase(key)] = kebabCaseDeep(value[key]);
+    }
+
+    return result as KebabCasedPropertiesDeep<T>;
+  }
+
+  return value as KebabCasedPropertiesDeep<T>;
+};

server/src/utils/stream-to-buffer.ts

@@ -0,0 +1,11 @@
+import { Readable } from 'stream';
+
+export async function streamToBuffer(stream: Readable): Promise<Buffer> {
+  const chunks: any[] = [];
+
+  for await (const chunk of stream) {
+    chunks.push(chunk);
+  }
+
+  return Buffer.concat(chunks);
+}