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/**
* Hachette injecting policy to page using webRequest
*
* Copyright (C) 2021 Wojtek Kosior
* Copyright (C) 2021 jahoti
* Redistribution terms are gathered in the `copyright' file.
*/
/*
* IMPORTS_START
* IMPORT sign_data
* IMPORT extract_signed
* IMPORT sanitize_csp_header
* IMPORT make_csp_rule
* IMPORT is_csp_header_name
* IMPORTS_END
*/
function inject_csp_headers(headers, policy)
{
if (!policy.allow || policy.has_payload) {
/* Remove report-only CSP headers that snitch on us. */
headers = headers.filter(h => !is_csp_header_name(h.name, true));
/* Add our own CSP header */
headers.push({
name: "content-security-policy",
value: make_csp_rule(policy)
});
}
const policy_str = encodeURIComponent(JSON.stringify(policy));
const signed_policy = sign_data(policy_str, new Date().getTime());
const later_30sec = new Date(new Date().getTime() + 30000).toGMTString();
headers.push({
name: "Set-Cookie",
value: `hachette-${signed_policy.join("=")}; Expires=${later_30sec};`
});
return headers;
}
/*
* EXPORTS_START
* EXPORT inject_csp_headers
* EXPORTS_END
*/
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