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Create DetectCSPReportOnlyHeader.bambda #85

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Create DetectCSPReportOnlyHeader.bambda #85

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25 changes: 25 additions & 0 deletions Filter/Proxy/HTTP/DetectCSPReportOnlyHeader.bambda
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Original file line number Diff line number Diff line change
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/**
* Bambda Script to Detect "Content-Security-Policy-Report-Only (CSP-RO)" Header in HTTP Response
* @author ctflearner
* This script checks if the HTTP response contains the "Content-Security-Policy-Report-Only" header,
* which is used for monitoring CSP violations without enforcing restrictions.
* Additionally, it verifies if the header specifies a "report-uri" directive,
* indicating where CSP violation reports are sent.
* The script ensures there is a response and scans the headers for these conditions.
**/



return requestResponse.hasResponse() && (
// Check for Content-Security-Policy-Report-Only header
requestResponse.response().headers().stream()
.anyMatch(header ->
header.name().equalsIgnoreCase("Content-Security-Policy-Report-Only")
) &&
// Optional: Check if report-uri is specified
requestResponse.response().headers().stream()
.anyMatch(header ->
header.name().equalsIgnoreCase("Content-Security-Policy-Report-Only") &&
header.value().toLowerCase().contains("report-uri")
)
);
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