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feat: init

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Jozef Steinhübl 2024-05-20 12:45:11 +02:00
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1
.prettierrc
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{
"printWidth": 140,
"singleQuote": true,
"semi": true,
"useTabs": true
}

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LICENSE Normal file
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src/index.ts
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/**
* Welcome to Cloudflare Workers! This is your first worker.
*
* - Run `npm run dev` in your terminal to start a development server
* - Open a browser tab at http://localhost:8787/ to see your worker in action
* - Run `npm run deploy` to publish your worker
*
* Bind resources to your worker in `wrangler.toml`. After adding bindings, a type definition for the
* `Env` object can be regenerated with `npm run cf-typegen`.
*
* Learn more at https://developers.cloudflare.com/workers/
*/
import { getMainProvider, parseProviders, verify } from "./utils";
export default {
async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
return new Response('Hello World!');
async fetch(request: Request, env: Env, _: ExecutionContext): Promise<Response> {
if (!verify(request, env.API_TOKEN)) {
return new Response("Unauthorized", { status: 401 });
}
const providers = parseProviders(env.PROVIDERS);
if (providers.length === 0) {
return new Response("Invalid providers", { status: 400 });
}
const mainProvider = getMainProvider(providers, env.MAIN_PROVIDER);
const baseUrl = new URL(request.url);
providers.sort((a, _) => (a.name === mainProvider?.name ? 1 : -1));
const body = request.body !== null ? request.body : null;
let res: Response;
for (const provider of providers) {
const url = new URL(provider.url);
url.pathname += baseUrl.pathname;
if (request.body !== null) {
// @ts-expect-error expected
res = await fetch(url.toString(), {
method: request.method,
headers: {
...request.headers,
authorization: `Bearer ${btoa(provider.token)}`,
},
body: body,
});
} else {
// @ts-expect-error expected
res = await fetch(url.toString(), {
method: request.method,
headers: {
...request.headers,
authorization: `Bearer ${btoa(provider.token)}`,
},
});
}
}
return res!;
},
};

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src/utils.ts Normal file
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export function verify(request: Request, secret: string): boolean {
const authorization = request.headers.get("authorization");
if (!authorization) return false;
const token = authorization?.split(" ")?.[1];
if (!token) return false;
return token === btoa(secret);
}
interface Provider {
name: string;
url: string;
token: string;
}
export function parseProviders(providers: string): Provider[] {
try {
const json = JSON.parse(providers);
if (!Array.isArray(json)) return [];
return json satisfies Provider[];
} catch {
return [];
}
}
export function getMainProvider(providers: Provider[], main: string): Provider | undefined {
return providers.find((provider) => provider.name === main) ?? providers[0];
}

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test/index.spec.ts
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// test/index.spec.ts
import { env, createExecutionContext, waitOnExecutionContext, SELF } from 'cloudflare:test';
import { describe, it, expect } from 'vitest';
import worker from '../src/index';
// For now, you'll need to do something like this to get a correctly-typed
// `Request` to pass to `worker.fetch()`.
const IncomingRequest = Request<unknown, IncomingRequestCfProperties>;
describe('Hello World worker', () => {
it('responds with Hello World! (unit style)', async () => {
const request = new IncomingRequest('http://example.com');
// Create an empty context to pass to `worker.fetch()`.
const ctx = createExecutionContext();
const response = await worker.fetch(request, env, ctx);
// Wait for all `Promise`s passed to `ctx.waitUntil()` to settle before running test assertions
await waitOnExecutionContext(ctx);
expect(await response.text()).toMatchInlineSnapshot(`"Hello World!"`);
});
it('responds with Hello World! (integration style)', async () => {
const response = await SELF.fetch('https://example.com');
expect(await response.text()).toMatchInlineSnapshot(`"Hello World!"`);
});
});

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test/tsconfig.json
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{
"extends": "../tsconfig.json",
"compilerOptions": {
"types": [
"@cloudflare/workers-types/experimental",
"@cloudflare/vitest-pool-workers"
]
},
"include": ["./**/*.ts", "../src/env.d.ts"],
"exclude": []
}

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vars.example Normal file
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# token you'll use in .wakatime.cfg
API_TOKEN=random token that you want to use
# providers you want to use
PROVIDERS=[{"name":"wakatime","url":"https://api.wakatime.com/api/v1","token":"your api key"}]
MAIN_PROVIDER="wakatime"

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worker-configuration.d.ts vendored
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// Generated by Wrangler
// After adding bindings to `wrangler.toml`, regenerate this interface via `npm run cf-typegen`
// Generated by Wrangler on Mon May 20 2024 10:59:08 GMT+0200 (Central European Summer Time)
// by running `wrangler types`
interface Env {
API_TOKEN: string;
PROVIDERS: string;
MAIN_PROVIDER: string;
}

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wrangler.toml
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name = "waki"
main = "src/index.ts"
compatibility_date = "2024-05-12"
compatibility_flags = ["nodejs_compat"]
# Automatically place your workloads in an optimal location to minimize latency.
# If you are running back-end logic in a Worker, running it closer to your back-end infrastructure
# rather than the end user may result in better performance.
# Docs: https://developers.cloudflare.com/workers/configuration/smart-placement/#smart-placement
# [placement]
# mode = "smart"
# Variable bindings. These are arbitrary, plaintext strings (similar to environment variables)
# Docs:
# - https://developers.cloudflare.com/workers/wrangler/configuration/#environment-variables
# Note: Use secrets to store sensitive data.
# - https://developers.cloudflare.com/workers/configuration/secrets/
# [vars]
# MY_VARIABLE = "production_value"
# Bind the Workers AI model catalog. Run machine learning models, powered by serverless GPUs, on Cloudflare’s global network
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#workers-ai
# [ai]
# binding = "AI"
# Bind an Analytics Engine dataset. Use Analytics Engine to write analytics within your Pages Function.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#analytics-engine-datasets
# [[analytics_engine_datasets]]
# binding = "MY_DATASET"
# Bind a headless browser instance running on Cloudflare's global network.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#browser-rendering
# [browser]
# binding = "MY_BROWSER"
# Bind a D1 database. D1 is Cloudflare’s native serverless SQL database.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#d1-databases
# [[d1_databases]]
# binding = "MY_DB"
# database_name = "my-database"
# database_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
# Bind a dispatch namespace. Use Workers for Platforms to deploy serverless functions programmatically on behalf of your customers.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#dispatch-namespace-bindings-workers-for-platforms
# [[dispatch_namespaces]]
# binding = "MY_DISPATCHER"
# namespace = "my-namespace"
# Bind a Durable Object. Durable objects are a scale-to-zero compute primitive based on the actor model.
# Durable Objects can live for as long as needed. Use these when you need a long-running "server", such as in realtime apps.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#durable-objects
# [[durable_objects.bindings]]
# name = "MY_DURABLE_OBJECT"
# class_name = "MyDurableObject"
# Durable Object migrations.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#migrations
# [[migrations]]
# tag = "v1"
# new_classes = ["MyDurableObject"]
# Bind a Hyperdrive configuration. Use to accelerate access to your existing databases from Cloudflare Workers.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#hyperdrive
# [[hyperdrive]]
# binding = "MY_HYPERDRIVE"
# id = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
# Bind a KV Namespace. Use KV as persistent storage for small key-value pairs.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#kv-namespaces
# [[kv_namespaces]]
# binding = "MY_KV_NAMESPACE"
# id = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
# Bind an mTLS certificate. Use to present a client certificate when communicating with another service.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#mtls-certificates
# [[mtls_certificates]]
# binding = "MY_CERTIFICATE"
# certificate_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
# Bind a Queue producer. Use this binding to schedule an arbitrary task that may be processed later by a Queue consumer.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#queues
# [[queues.producers]]
# binding = "MY_QUEUE"
# queue = "my-queue"
# Bind a Queue consumer. Queue Consumers can retrieve tasks scheduled by Producers to act on them.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#queues
# [[queues.consumers]]
# queue = "my-queue"
# Bind an R2 Bucket. Use R2 to store arbitrarily large blobs of data, such as files.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#r2-buckets
# [[r2_buckets]]
# binding = "MY_BUCKET"
# bucket_name = "my-bucket"
# Bind another Worker service. Use this binding to call another Worker without network overhead.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#service-bindings
# [[services]]
# binding = "MY_SERVICE"
# service = "my-service"
# Bind a Vectorize index. Use to store and query vector embeddings for semantic search, classification and other vector search use-cases.
# Docs: https://developers.cloudflare.com/workers/wrangler/configuration/#vectorize-indexes
# [[vectorize]]
# binding = "MY_INDEX"
# index_name = "my-index"
compatibility_flags = ["nodejs_compat"]