hippofish/packages/backend/src/server/api/define.ts
ThatOneCalculator 6b00abf05c
refactor: 🎨 rome
2023-01-12 20:40:33 -08:00

105 lines
2.4 KiB
TypeScript

import * as fs from "node:fs";
import Ajv from "ajv";
import type { CacheableLocalUser } from "@/models/entities/user.js";
import { ILocalUser } from "@/models/entities/user.js";
import type { Schema, SchemaType } from "@/misc/schema.js";
import type { AccessToken } from "@/models/entities/access-token.js";
import type { IEndpointMeta } from "./endpoints.js";
import { ApiError } from "./error.js";
export type Response = Record<string, any> | void;
// TODO: paramsの型をT['params']のスキーマ定義から推論する
type executor<T extends IEndpointMeta, Ps extends Schema> = (
params: SchemaType<Ps>,
user: T["requireCredential"] extends true
? CacheableLocalUser
: CacheableLocalUser | null,
token: AccessToken | null,
file?: any,
cleanup?: () => any,
ip?: string | null,
headers?: Record<string, string> | null,
) => Promise<
T["res"] extends undefined ? Response : SchemaType<NonNullable<T["res"]>>
>;
const ajv = new Ajv({
useDefaults: true,
});
ajv.addFormat("misskey:id", /^[a-zA-Z0-9]+$/);
export default function <T extends IEndpointMeta, Ps extends Schema>(
meta: T,
paramDef: Ps,
cb: executor<T, Ps>,
): (
params: any,
user: T["requireCredential"] extends true
? CacheableLocalUser
: CacheableLocalUser | null,
token: AccessToken | null,
file?: any,
ip?: string | null,
headers?: Record<string, string> | null,
) => Promise<any> {
const validate = ajv.compile(paramDef);
return (
params: any,
user: T["requireCredential"] extends true
? CacheableLocalUser
: CacheableLocalUser | null,
token: AccessToken | null,
file?: any,
ip?: string | null,
headers?: Record<string, string> | null,
) => {
let cleanup: undefined | (() => void) = undefined;
if (meta.requireFile) {
cleanup = () => {
fs.unlink(file.path, () => {});
};
if (file == null)
return Promise.reject(
new ApiError({
message: "File required.",
code: "FILE_REQUIRED",
id: "4267801e-70d1-416a-b011-4ee502885d8b",
}),
);
}
const valid = validate(params);
if (!valid) {
if (file) cleanup!();
const errors = validate.errors!;
const err = new ApiError(
{
message: "Invalid param.",
code: "INVALID_PARAM",
id: "3d81ceae-475f-4600-b2a8-2bc116157532",
},
{
param: errors[0].schemaPath,
reason: errors[0].message,
},
);
return Promise.reject(err);
}
return cb(
params as SchemaType<Ps>,
user,
token,
file,
cleanup,
ip,
headers,
);
};
}