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| import logging | |
| from typing import Any | |
| from core.plugin_system import PluginContext, PluginInterface, PluginMetadata | |
| logger = logging.getLogger(__name__) | |
| class EvidenceAnalysisPlugin(PluginInterface): | |
| """ | |
| Analyzes case evidence for suspicious keywords and metadata anomalies. | |
| """ | |
| def metadata(self) -> PluginMetadata: | |
| return PluginMetadata( | |
| name="evidence_analysis", | |
| version="1.0.0", | |
| namespace="zenith/intelligence/evidence_analysis", | |
| author="Zenith Team", | |
| description="Analyzes evidence metadata and content for fraud indicators", | |
| dependencies={}, | |
| capabilities=["intelligence", "case_analysis"], | |
| security_level="official", | |
| api_version="v1", | |
| ) | |
| async def initialize(self, context: PluginContext) -> bool: | |
| self.context = context | |
| return True | |
| async def execute(self, inputs: dict[str, Any]) -> dict[str, Any]: | |
| """ | |
| Expects {"case_data": {...}} | |
| """ | |
| case_data = inputs.get("case_data") | |
| if not case_data: | |
| return {"error": "No case data provided"} | |
| return await self._analyze_evidence(case_data) | |
| async def _analyze_evidence(self, case_data: dict[str, Any]) -> dict[str, Any]: | |
| """Analyze evidence for fraud indicators""" | |
| insights = [] | |
| recommendations = [] | |
| confidence = 0.0 | |
| evidence = case_data.get("evidence", []) | |
| for item in evidence: | |
| content = item.get("content", "").lower() | |
| filename = item.get("filename", "").lower() | |
| # Check for suspicious keywords | |
| fraud_keywords = [ | |
| "offshore", | |
| "cayman", | |
| "shell company", | |
| "wire transfer", | |
| "cash equivalent", | |
| "round number", | |
| "just below", | |
| ] | |
| found_keywords = [kw for kw in fraud_keywords if kw in content] | |
| if found_keywords: | |
| insights.append( | |
| f"Evidence '{filename}' contains suspicious keywords: {', '.join(found_keywords)}" | |
| ) | |
| recommendations.append( | |
| f"Review evidence '{filename}' for fraud indicators" | |
| ) | |
| confidence += 0.3 | |
| # Check file metadata | |
| metadata = item.get("metadata", {}) | |
| if metadata.get("modified_date") and metadata.get("created_date"): | |
| # Check for backdating | |
| metadata["created_date"] | |
| metadata["modified_date"] | |
| # Logic simplified for plugin example | |
| return { | |
| "insights": insights, | |
| "recommendations": recommendations, | |
| "confidence": min(confidence, 1.0), | |
| "risk_score": 0, # Evidence alone rarely sets distinct risk score unless critical | |
| } | |
| async def cleanup(self) -> None: | |
| pass | |
| def validate_config(self, config: dict[str, Any]) -> list[str]: | |
| return [] | |