use crate::detectors::base::{Detector, DetectorConfig};
use uuid::Uuid;
use crate::graph::GraphStore;
use crate::models::{deterministic_finding_id, Finding, Severity};
use anyhow::Result;
use regex::Regex;
use std::path::PathBuf;
use std::sync::OnceLock;
static HTTP_CLIENT: OnceLock<Regex> = OnceLock::new();
fn http_client() -> &'static Regex {
HTTP_CLIENT.get_or_init(|| Regex::new(r"(?i)(requests\.(get|post|put|delete)|fetch\(|axios\.|http\.get|urllib|urlopen|HttpClient|curl)").unwrap())
}
pub struct SsrfDetector {
repository_path: PathBuf,
max_findings: usize,
}
impl SsrfDetector {
pub fn new(repository_path: impl Into<PathBuf>) -> Self {
Self { repository_path: repository_path.into(), max_findings: 50 }
}
}
impl Detector for SsrfDetector {
fn name(&self) -> &'static str { "ssrf" }
fn description(&self) -> &'static str { "Detects SSRF vulnerabilities" }
fn detect(&self, _graph: &GraphStore) -> Result<Vec<Finding>> {
let mut findings = vec![];
let walker = ignore::WalkBuilder::new(&self.repository_path).hidden(false).git_ignore(true).build();
for entry in walker.filter_map(|e| e.ok()) {
if findings.len() >= self.max_findings { break; }
let path = entry.path();
if !path.is_file() { continue; }
let ext = path.extension().and_then(|e| e.to_str()).unwrap_or("");
if !matches!(ext, "py"|"js"|"ts"|"jsx"|"tsx"|"rb"|"php"|"java"|"go") { continue; }
if let Some(content) = crate::cache::global_cache().get_content(path) {
for (i, line) in content.lines().enumerate() {
if http_client().is_match(line) {
let has_user_input = line.contains("req.") || line.contains("request.") ||
line.contains("params") || line.contains("query") || line.contains("input");
if has_user_input {
findings.push(Finding {
id: Uuid::new_v4().to_string(),
detector: "SsrfDetector".to_string(),
severity: Severity::High,
title: "Potential SSRF vulnerability".to_string(),
description: "HTTP request with user-controlled URL.".to_string(),
affected_files: vec![path.to_path_buf()],
line_start: Some((i + 1) as u32),
line_end: Some((i + 1) as u32),
suggested_fix: Some("Validate URL against allowlist, block internal IPs.".to_string()),
estimated_effort: Some("45 minutes".to_string()),
category: Some("security".to_string()),
cwe_id: Some("CWE-918".to_string()),
why_it_matters: Some("Attackers could access internal services.".to_string()),
..Default::default()
});
}
}
}
}
}
Ok(findings)
}
}