95 lines
2.1 KiB
Go
95 lines
2.1 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"os"
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"time"
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)
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// MockWallarm is a test server that simulates a Wallarm node.
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// Usage: go run mock_wallarm.go [--mode=allow|block|slow|flaky]
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//
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// Modes:
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// allow — always return "allow" verdict
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// block — always return "block" verdict
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// slow — delay 5s then allow (tests timeout)
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// flaky — succeed 3 times, then fail 3 times (tests circuit breaker)
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type Verdict struct {
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Verdict string `json:"verdict"`
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Reason string `json:"reason,omitempty"`
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Score int `json:"score,omitempty"`
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}
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var (
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requestCount int
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mode string
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)
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func main() {
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mode = "allow"
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if len(os.Args) > 1 {
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mode = os.Args[1]
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}
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// Also support --mode=block style
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if len(mode) > 7 && mode[:7] == "--mode=" {
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mode = mode[7:]
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}
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http.HandleFunc("/inspect", handleInspect)
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http.HandleFunc("/health", handleHealth)
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port := "8085"
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if p := os.Getenv("PORT"); p != "" {
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port = p
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}
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log.Printf("Mock Wallarm node starting on :%s (mode=%s)", port, mode)
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if err := http.ListenAndServe(":"+port, nil); err != nil {
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log.Fatal(err)
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}
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}
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func handleInspect(w http.ResponseWriter, r *http.Request) {
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requestCount++
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switch mode {
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case "block":
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writeVerdict(w, "block", "SQL injection detected", 95)
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case "slow":
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time.Sleep(5 * time.Second)
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writeVerdict(w, "allow", "clean", 0)
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case "flaky":
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if requestCount <= 3 {
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writeVerdict(w, "allow", "clean", 0)
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} else {
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// Simulate failure — return 500
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http.Error(w, "internal error", 500)
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}
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if requestCount >= 6 {
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requestCount = 0 // reset cycle
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}
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default: // allow
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writeVerdict(w, "allow", fmt.Sprintf("clean (request #%d)", requestCount), 0)
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}
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}
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func handleHealth(w http.ResponseWriter, r *http.Request) {
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writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
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}
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func writeVerdict(w http.ResponseWriter, verdict, reason string, score int) {
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writeJSON(w, http.StatusOK, Verdict{Verdict: verdict, Reason: reason, Score: score})
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}
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func writeJSON(w http.ResponseWriter, status int, v interface{}) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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json.NewEncoder(w).Encode(v)
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}
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