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Fix #217: [milestone Milestone 2 ] Promote classify_mcp_headers() from `crates/proxy-wasm-evidence/src/recorder.r... #221

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Merged
telleroutlook merged 1 commit into from
Jul 21, 2026
Merged

Fix #217: [milestone Milestone 2 ] Promote classify_mcp_headers() from `crates/proxy-wasm-evidence/src/recorder.r... #221

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45 changes: 0 additions & 45 deletions crates/proxy-wasm-evidence/src/recorder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,6 @@ pub fn build_evidence(
#[cfg(test)]
mod tests {
use super::*;
use aep_core::classify_mcp_headers;
use aep_core::recording::RecordingMode;

fn risk(side_effect_class: SideEffectClass) -> RiskContext {
Expand Down Expand Up @@ -242,50 +241,6 @@ mod tests {
);
}

#[test]
fn classify_mcp_headers_detects_credential_prefix() {
assert_eq!(
classify_mcp_headers(Some("ghp_abc123"), None),
Some(McpHeaderRisk::CredentialLeak)
);
assert_eq!(
classify_mcp_headers(Some("sk-abcdefghij"), None),
Some(McpHeaderRisk::CredentialLeak)
);
assert_eq!(
classify_mcp_headers(Some("Bearer token_here"), None),
Some(McpHeaderRisk::CredentialLeak)
);
}

#[test]
fn classify_mcp_headers_detects_high_entropy() {
// 40-char alphanumeric string in MCP-Name
let long_val = "a".repeat(40);
assert_eq!(
classify_mcp_headers(None, Some(&long_val)),
Some(McpHeaderRisk::HighEntropyValue)
);
}

#[test]
fn classify_mcp_headers_detects_pii_in_name() {
assert_eq!(
classify_mcp_headers(None, Some("user@example.com")),
Some(McpHeaderRisk::PiiLeak)
);
}

#[test]
fn classify_mcp_headers_clean_values_return_none() {
assert_eq!(
classify_mcp_headers(Some("tools/call"), Some("my_tool")),
None
);
assert_eq!(classify_mcp_headers(None, None), None);
assert_eq!(classify_mcp_headers(Some("tools/list"), None), None);
}

#[test]
fn build_evidence_marks_reads_as_non_state_changing() {
let ev = build_evidence(
Expand Down
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