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