Revision 5b419aed
Added by jahoti about 2 years ago
| background/policy_injector.js | ||
|---|---|---|
| 19 | 19 |
* IMPORT url_extract_target |
| 20 | 20 |
* IMPORT sign_policy |
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* IMPORT get_query_best |
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* IMPORT parse_csp
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* IMPORT sanitize_csp_header
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* IMPORTS_END |
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*/ |
| 25 | 25 |
|
| ... | ... | |
| 79 | 79 |
}; |
| 80 | 80 |
} |
| 81 | 81 |
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function process_csp_header(header, rule, block) |
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{
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const csp = parse_csp(header.value); |
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if (block) {
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/* No snitching */ |
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delete csp['report-to']; |
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delete csp['report-uri']; |
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delete csp['script-src']; |
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delete csp['script-src-elem']; |
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csp['script-src-attr'] = ["'none'"]; |
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csp['prefetch-src'] = ["'none'"]; |
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} |
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if ('script-src' in csp)
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csp['script-src'].push(rule); |
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else |
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csp['script-src'] = [rule]; |
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if ('script-src-elem' in csp)
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csp['script-src-elem'].push(rule); |
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else |
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csp['script-src-elem'] = [rule]; |
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const new_policy = Object.entries(csp).map( |
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i => `${i[0]} ${i[1].join(' ')};`
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); |
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return {name: header.name, value: new_policy.join('')};
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} |
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| 116 | 82 |
function headers_inject(details) |
| 117 | 83 |
{
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| 118 | 84 |
const targets = url_extract_target(details.url); |
| ... | ... | |
| 157 | 123 |
|
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orig_csp_headers = csp_headers = null; |
| 159 | 125 |
for (const header of data) |
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headers.push(process_csp_header(header, rule, block));
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headers.push(sanitize_csp_header(header, rule, block));
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| 161 | 127 |
} |
| 162 | 128 |
} else if (is_chrome || !orig_csp_headers) {
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csp_headers.push(process_csp_header(header, rule, block));
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csp_headers.push(sanitize_csp_header(header, rule, block));
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| 164 | 130 |
if (is_mozilla) |
| 165 | 131 |
orig_csp_headers.push(header); |
| 166 | 132 |
} |
Also available in: Unified diff
[UNTESTED- will test] Add filtering for http-equiv CSP headers