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/target
/dist
**/*.rs.bk
Cargo.lock
bin/
pkg/
wasm-pack.log
worker/
node_modules/
.cargo-ok

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{
"singleQuote": true,
"semi": false,
"trailingComma": "all",
"tabWidth": 2,
"printWidth": 80
}

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# Contributor Covenant Code of Conduct
## Our Pledge
In the interest of fostering an open and welcoming environment, we as
contributors and maintainers pledge to making participation in our project and
our community a harassment-free experience for everyone, regardless of age, body
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level of experience, education, socio-economic status, nationality, personal
appearance, race, religion, or sexual identity and orientation.
## Our Standards
Examples of behavior that contributes to creating a positive environment
include:
- Using welcoming and inclusive language
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- Gracefully accepting constructive criticism
- Focusing on what is best for the community
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Examples of unacceptable behavior by participants include:
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advances
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## Our Responsibilities
Project maintainers are responsible for clarifying the standards of acceptable
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Project maintainers have the right and responsibility to remove, edit, or
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## Scope
This Code of Conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community. Examples of
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## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be
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Project maintainers who do not follow or enforce the Code of Conduct in good
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## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
[homepage]: https://www.contributor-covenant.org
For answers to common questions about this code of conduct, see
https://www.contributor-covenant.org/faq

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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END OF TERMS AND CONDITIONS

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Copyright (c) 2018 Ashley Williams <ashley666ashley@gmail.com>
Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software
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conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

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# 👷 `worker-template` Hello World
A template for kick starting a Cloudflare worker project.
[`index.js`](https://github.com/cloudflare/worker-template/blob/master/index.js) is the content of the Workers script.
#### Wrangler
To generate using [wrangler](https://github.com/cloudflare/wrangler)
```
wrangler generate projectname https://github.com/cloudflare/worker-template
```
Further documentation for Wrangler can be found [here](https://developers.cloudflare.com/workers/tooling/wrangler).

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const { getSignedUrl } = require('@aws-sdk/s3-request-presigner');
const { S3Client, GetObjectCommand } = require('@aws-sdk/client-s3');
/************************************************************/
/*
* Most of this code is based on
* https://developers.cloudflare.com/workers/examples/basic-auth
*/
/**
* Parse HTTP Basic Authorization value.
* @param {Request} request
* @throws {BadRequestException}
* @returns {{ user: string, pass: string }}
*/
function basicAuthentication(request) {
const Authorization = request.headers.get('Authorization')
const [scheme, encoded] = Authorization.split(' ')
// The Authorization header must start with Basic, followed by a space.
if (!encoded || scheme !== 'Basic') {
throw new BadRequestException('Malformed authorization header.')
}
// Decodes the base64 value and performs unicode normalization.
// @see https://datatracker.ietf.org/doc/html/rfc7613#section-3.3.2 (and #section-4.2.2)
// @see https://dev.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/normalize
const buffer = Uint8Array.from(atob(encoded), character => character.charCodeAt(0))
const decoded = new TextDecoder().decode(buffer).normalize()
// The username & password are split by the first colon.
//=> example: "username:password"
const index = decoded.indexOf(':')
// The user & password are split by the first colon and MUST NOT contain control characters.
// @see https://tools.ietf.org/html/rfc5234#appendix-B.1 (=> "CTL = %x00-1F / %x7F")
if (index === -1 || /[\0-\x1F\x7F]/.test(decoded)) {
throw new BadRequestException('Invalid authorization value.')
}
return {
user: decoded.substring(0, index),
pass: decoded.substring(index + 1),
}
}
function UnauthorizedException(reason) {
return new Response(reason, {
status: 401,
statusTest: 'Unauthorized'
});
}
function BadRequestException(reason) {
this.status = 400
this.statusText = 'Bad Request'
this.reason = reason
}
/**
* Throws exception on verification failure.
* @param {string} user
* @param {string} pass
* @throws {UnauthorizedException}
*/
async function verifyCredentials(user, pass) {
const KVpass = await SKYDUSKY.get(user);
if (KVpass === 'null' || KVpass !== pass) {
throw new UnauthorizedException('Invalid password.');
}
}
/************************************************************/
/**
* Main functions to handle request
*/
async function handleRequest(request) {
const requestURL = new URL(request.url);
const path = requestURL.pathname.substring(1);
// Prompt login
if (!request.headers.has('Authorization')) {
return new Response('Please login.', {
status: 401,
headers: { 'WWW-Authenticate': 'Basic realm="SKYDUSKY", charset="UTF-8"' }
});
}
// Verify login
const { user, pass } = basicAuthentication(request);
try {
await verifyCredentials(user, pass);
} catch (e) {
return e;
}
// S3 Client
const client = new S3Client({
credentials: {
accessKeyId: WASABI_ACCESS_KEY,
secretAccessKey: WASABI_SECRET_KEY,
},
endpoint: 'https://s3.us-east-2.wasabisys.com',
region: 'us-east-2',
});
// S3 Request
const command = new GetObjectCommand({
Bucket: 'bigcavemaps.com',
Key: path,
});
// S3 Url
const url = await getSignedUrl(client, command, { expiresIn: 3600 });
const r = await fetch(url);
return r;
}
addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request))
})

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{
"private": true,
"name": "bcm-auth",
"version": "1.0.0",
"description": "A template for kick starting a Cloudflare Workers project",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"format": "prettier --write '**/*.{js,css,json,md}'"
},
"author": "Paul Walko <paulsw.pw@gmail.com>",
"license": "MIT",
"devDependencies": {
"prettier": "^1.18.2"
},
"dependencies": {
"@aws-sdk/client-s3": "^3.52.0",
"@aws-sdk/s3-request-presigner": "^3.52.0"
}
}

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name = "bcm-auth"
type = "webpack"
account_id = ""
workers_dev = true
route = ""
zone_id = ""
compatibility_date = "2022-02-22"
kv_namespaces = [
{ binding = "SKYDUSKY", id = "3b3957e8d7ed4829b64dd6edc2c94741" }
]