swagger2-koa
Version:
Koa 2 middleware for loading, parsing and validating requests via swagger2
71 lines (70 loc) • 3.92 kB
JavaScript
// src/validate.ts
import * as swagger from "swagger2";
function validate_default(document) {
const compiled = swagger.compileDocument(document);
const basePath = (
// eslint-disable-next-line @typescript-eslint/strict-boolean-expressions,@typescript-eslint/prefer-nullish-coalescing
(document.basePath || "") + // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions,@typescript-eslint/prefer-nullish-coalescing
((document.basePath || "").endsWith("/") ? "" : "/")
);
return async (context, next) => {
if (document.basePath !== void 0 && !context.path.startsWith(basePath)) {
return next();
}
const compiledPath = compiled(context.path);
if (compiledPath === void 0) {
context.status = 404;
return;
}
const validationErrors = swagger.validateRequest(
compiledPath,
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument,@typescript-eslint/no-unsafe-member-access
context.method,
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
context.request.query,
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
context.request.body,
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
context.request.headers
);
if (validationErrors === void 0) {
if (context.method !== "OPTIONS") {
context.status = 405;
}
return;
}
if (validationErrors.length > 0) {
context.status = 400;
context.body = {
code: "SWAGGER_REQUEST_VALIDATION_FAILED",
errors: validationErrors
};
return;
}
await next();
if (context.method.toLowerCase() === "options") {
return;
}
const error = swagger.validateResponse(
compiledPath,
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument,@typescript-eslint/no-unsafe-member-access
context.method,
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument,@typescript-eslint/no-unsafe-member-access
context.status,
// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
context.body
);
if (error) {
error.where = "response";
context.status = 500;
context.body = {
code: "SWAGGER_RESPONSE_VALIDATION_FAILED",
errors: [error]
};
}
};
}
export {
validate_default as default
};
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