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@middy/http-security-headers

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@middy/http-security-headers - npm Package Compare versions

Comparing version 3.0.0-alpha.3 to 3.0.0-alpha.4

215

index.js

@@ -1,35 +0,11 @@

import { normalizeHttpResponse } from '@middy/util'
// Code and Defaults heavily based off https://helmetjs.github.io/
import { normalizeHttpResponse } from '@middy/util';
const defaults = {
contentSecurityPolicy: {
// Fetch directives
// 'child-src': '', // fallback default-src
// 'connect-src': '', // fallback default-src
'default-src': "'none'",
// 'font-src':'', // fallback default-src
// 'frame-src':'', // fallback child-src > default-src
// 'img-src':'', // fallback default-src
// 'manifest-src':'', // fallback default-src
// 'media-src':'', // fallback default-src
// 'object-src':'', // fallback default-src
// 'prefetch-src':'', // fallback default-src
// 'script-src':'', // fallback default-src
// 'script-src-elem':'', // fallback script-src > default-src
// 'script-src-attr':'', // fallback script-src > default-src
// 'style-src':'', // fallback default-src
// 'style-src-elem':'', // fallback style-src > default-src
// 'style-src-attr':'', // fallback style-src > default-src
// 'worker-src':'', // fallback child-src > script-src > default-src
// Document directives
'base-uri': "'none'",
sandbox: '',
// Navigation directives
'form-action': "'none'",
'frame-ancestors': "'none'",
'navigate-to': "'none'",
// Reporting directives
'report-to': 'csp',
// Other directives
'require-trusted-types-for': "'script'",

@@ -62,3 +38,2 @@ 'trusted-types': "'none'",

permissionsPolicy: {
// Standard
accelerometer: '',

@@ -91,3 +66,2 @@ 'ambient-light-sensor': '',

'xr-spatial-tracking': '',
// Proposed
'clipboard-read': '',

@@ -97,3 +71,2 @@ 'clipboard-write': '',

'speaker-selection': '',
// Experimental
'conversion-measurement': '',

@@ -111,3 +84,3 @@ 'focus-without-user-activation': '',

permittedCrossDomainPolicies: {
policy: 'none' // none, master-only, by-content-type, by-ftp-filename, all
policy: 'none'
},

@@ -136,150 +109,140 @@ poweredBy: {

}
}
};
const helmet = {};
const helmetHtmlOnly = {};
const helmet = {}
const helmetHtmlOnly = {}
helmetHtmlOnly.contentSecurityPolicy = (headers, config) => {
let header = Object.keys(config).map(policy => config[policy] ? `${policy} ${config[policy]}` : '').filter(str => str).join('; ');
// *** https://github.com/helmetjs/helmet/tree/main/middlewares *** //
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
helmetHtmlOnly.contentSecurityPolicy = (headers, config) => {
let header = Object.keys(config)
.map(policy => config[policy] ? `${policy} ${config[policy]}` : '')
.filter(str => str)
.join('; ')
if (config.sandbox === '') {
header += '; sandbox'
header += '; sandbox';
}
if (config['upgrade-insecure-requests'] === '') {
header += '; upgrade-insecure-requests'
header += '; upgrade-insecure-requests';
}
headers['Content-Security-Policy'] = header
}
// crossdomain - N/A - for Adobe products
headers['Content-Security-Policy'] = header;
};
helmetHtmlOnly.crossOriginEmbedderPolicy = (headers, config) => {
headers['Cross-Origin-Embedder-Policy'] = config.policy
}
headers['Cross-Origin-Embedder-Policy'] = config.policy;
};
helmetHtmlOnly.crossOriginOpenerPolicy = (headers, config) => {
headers['Cross-Origin-Opener-Policy'] = config.policy
}
headers['Cross-Origin-Opener-Policy'] = config.policy;
};
helmetHtmlOnly.crossOriginResourcePolicy = (headers, config) => {
headers['Cross-Origin-Resource-Policy'] = config.policy
}
headers['Cross-Origin-Resource-Policy'] = config.policy;
};
// expectCt - DEPRECATED
// hpkp - DEPRECATED
// https://www.permissionspolicy.com/
helmetHtmlOnly.permissionsPolicy = (headers, config) => {
headers['Permissions-Policy'] = Object.keys(config)
.map(policy => `${policy}=${policy === '*' ? '*' : `(${config[policy]})`}`)
.join(', ')
}
headers['Permissions-Policy'] = Object.keys(config).map(policy => `${policy}=${policy === '*' ? '*' : `(${config[policy]})`}`).join(', ');
};
helmet.originAgentCluster = (headers, config) => {
headers['Origin-Agent-Cluster'] = '?1'
}
headers['Origin-Agent-Cluster'] = '?1';
};
// https://github.com/helmetjs/referrer-policy
helmet.referrerPolicy = (headers, config) => {
headers['Referrer-Policy'] = config.policy
}
headers['Referrer-Policy'] = config.policy;
};
helmetHtmlOnly.reportTo = (headers, config) => {
headers['Report-To'] = Object.keys(config)
.map(group => (config[group] && group !== 'includeSubdomains') ? `{ "group": "default", "max_age": ${config.maxAge}, "endpoints": [ { "url": "${config[group]}" } ]${group === 'default' ? `, "include_subdomains": ${config.includeSubdomains}` : ''} }` : '')
.filter(str => str)
.join(', ')
}
headers['Report-To'] = Object.keys(config).map(group => config[group] && group !== 'includeSubdomains' ? `{ "group": "default", "max_age": ${config.maxAge}, "endpoints": [ { "url": "${config[group]}" } ]${group === 'default' ? `, "include_subdomains": ${config.includeSubdomains}` : ''} }` : '').filter(str => str).join(', ');
};
// https://github.com/helmetjs/hsts
helmet.strictTransportSecurity = (headers, config) => {
let header = 'max-age=' + Math.round(config.maxAge)
let header = 'max-age=' + Math.round(config.maxAge);
if (config.includeSubDomains) {
header += '; includeSubDomains'
header += '; includeSubDomains';
}
if (config.preload) {
header += '; preload'
header += '; preload';
}
headers['Strict-Transport-Security'] = header
}
// noCache - N/A - separate middleware
headers['Strict-Transport-Security'] = header;
};
// X-* //
// https://github.com/helmetjs/dont-sniff-mimetype
helmet.contentTypeOptions = (headers, config) => {
headers['X-Content-Type-Options'] = config.action
}
headers['X-Content-Type-Options'] = config.action;
};
// https://github.com/helmetjs/dns-Prefetch-control
helmet.dnsPrefetchControl = (headers, config) => {
headers['X-DNS-Prefetch-Control'] = config.allow ? 'on' : 'off'
}
headers['X-DNS-Prefetch-Control'] = config.allow ? 'on' : 'off';
};
// https://github.com/helmetjs/ienoopen
helmet.downloadOptions = (headers, config) => {
headers['X-Download-Options'] = config.action
}
headers['X-Download-Options'] = config.action;
};
// https://github.com/helmetjs/frameOptions
helmetHtmlOnly.frameOptions = (headers, config) => {
headers['X-Frame-Options'] = config.action.toUpperCase()
}
headers['X-Frame-Options'] = config.action.toUpperCase();
};
// https://github.com/helmetjs/crossdomain
helmet.permittedCrossDomainPolicies = (headers, config) => {
headers['X-Permitted-Cross-Domain-Policies'] = config.policy
}
headers['X-Permitted-Cross-Domain-Policies'] = config.policy;
};
// https://github.com/helmetjs/hide-powered-by
helmet.poweredBy = (headers, config) => {
if (config.server) {
headers['X-Powered-By'] = config.server
headers['X-Powered-By'] = config.server;
} else {
delete headers.Server
delete headers['X-Powered-By']
delete headers.Server;
delete headers['X-Powered-By'];
}
}
};
// https://github.com/helmetjs/x-xss-protection
helmetHtmlOnly.xssProtection = (headers, config) => {
let header = '1; mode=block'
let header = '1; mode=block';
if (config.reportTo) {
header += '; report=' + config.reportTo
header += '; report=' + config.reportTo;
}
headers['X-XSS-Protection'] = header
}
headers['X-XSS-Protection'] = header;
};
const httpSecurityHeadersMiddleware = (opts = {}) => {
const options = { ...defaults, ...opts }
const options = { ...defaults,
...opts
};
const httpSecurityHeadersMiddlewareAfter = async (request) => {
normalizeHttpResponse(request)
const httpSecurityHeadersMiddlewareAfter = async request => {
var _request$response$hea;
Object.keys(helmet).forEach((key) => {
if (!options[key]) return
const config = { ...defaults[key], ...options[key] }
helmet[key](request.response.headers, config)
})
normalizeHttpResponse(request);
Object.keys(helmet).forEach(key => {
if (!options[key]) return;
const config = { ...defaults[key],
...options[key]
};
helmet[key](request.response.headers, config);
});
if (request.response.headers['Content-Type']?.includes('text/html')) {
Object.keys(helmetHtmlOnly).forEach((key) => {
if (!options[key]) return
const config = { ...defaults[key], ...options[key] }
helmetHtmlOnly[key](
request.response.headers,
config
)
})
if ((_request$response$hea = request.response.headers['Content-Type']) !== null && _request$response$hea !== void 0 && _request$response$hea.includes('text/html')) {
Object.keys(helmetHtmlOnly).forEach(key => {
if (!options[key]) return;
const config = { ...defaults[key],
...options[key]
};
helmetHtmlOnly[key](request.response.headers, config);
});
}
}
const httpSecurityHeadersMiddlewareOnError = async (request) => {
if (request.response === undefined) return
return httpSecurityHeadersMiddlewareAfter(request)
}
};
const httpSecurityHeadersMiddlewareOnError = async request => {
if (request.response === undefined) return;
return httpSecurityHeadersMiddlewareAfter(request);
};
return {
after: httpSecurityHeadersMiddlewareAfter,
onError: httpSecurityHeadersMiddlewareOnError
}
}
export default httpSecurityHeadersMiddleware
};
};
export default httpSecurityHeadersMiddleware;
{
"name": "@middy/http-security-headers",
"version": "3.0.0-alpha.3",
"version": "3.0.0-alpha.4",
"description": "Applies best practice security headers to responses. It's a simplified port of HelmetJS",

@@ -53,9 +53,9 @@ "type": "module",

"homepage": "https://github.com/middyjs/middy#readme",
"gitHead": "1441158711580313765e6d156046ef0fade0d156",
"gitHead": "d4bea7f4e21f6a9bbb1f6f6908361169598b9e53",
"dependencies": {
"@middy/util": "^3.0.0-alpha.3"
"@middy/util": "^3.0.0-alpha.4"
},
"devDependencies": {
"@middy/core": "^3.0.0-alpha.3"
"@middy/core": "^3.0.0-alpha.4"
}
}
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