content-blocker.tengo

// Content Blocker Filter
// This script blocks requests containing sensitive keywords

text := import("text")

// Define sensitive keywords to block
sensitive_keywords := ["password", "secret", "api_key", "token", "credit card"]

// Check all user messages for sensitive content
should_block := false
found_keyword := ""

for msg in input.messages {
    if msg.role == "user" {
        for keyword in sensitive_keywords {
            if text.contains(msg.content, keyword) {
                should_block = true
                found_keyword = keyword
                break
            }
        }
        if should_block {
            break
        }
    }
}

compliance_events_list := []
if should_block {
    compliance_events_list = [
        {
            event_type: "sensitive_content_detected",
            severity: "critical",
            description: "Blocked: sensitive keyword '" + found_keyword + "' detected",
            metadata: { "matched_pattern": found_keyword }
        }
    ]
}

output := {
    block: should_block,
    payload: input.raw_input,
    message: should_block ? "Blocked: message contains '" + found_keyword + "'" : "",
    compliance_events: compliance_events_list
}