65 lines
2.5 KiB
Go
65 lines
2.5 KiB
Go
package main
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import (
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"strings"
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"git.cin.su/m/Assistant/contracts/capability"
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)
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const verifierIdentity = "deterministic-task-verifier-v1"
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func main() {
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mux := http.NewServeMux()
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mux.HandleFunc("GET /healthz", func(w http.ResponseWriter, _ *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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_, _ = w.Write([]byte(`{"runtime":"task-verifier","status":"ok"}`))
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})
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mux.HandleFunc("POST /v1/task-evaluations/verify", verifyHandler)
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addr := ":8091"
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if value := strings.TrimSpace(os.Getenv("LISTEN_ADDR")); value != "" {
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addr = value
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}
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if err := http.ListenAndServe(addr, mux); err != nil {
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panic(err)
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}
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}
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func verifyHandler(w http.ResponseWriter, r *http.Request) {
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var request capability.TaskCaseVerificationRequest
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decoder := json.NewDecoder(http.MaxBytesReader(w, r.Body, 64<<10))
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decoder.DisallowUnknownFields()
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if err := decoder.Decode(&request); err != nil || request.CaseID == "" || request.ResponseText == "" || request.EvidenceArtifactRef == "" || request.LatencyMicros < 0 || request.Verification.Mode != capability.TaskCaseVerificationExactText || request.Verification.ExpectedText == "" || request.Verification.MinimumQualityMillis < 0 || request.Verification.MinimumQualityMillis > 1000 {
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http.Error(w, "invalid task verification request", http.StatusBadRequest)
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return
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}
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matched := strings.TrimSpace(request.ResponseText) == strings.TrimSpace(request.Verification.ExpectedText)
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quality := int64(0)
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result := capability.EvaluationUnsupported
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if matched {
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quality = request.Verification.MinimumQualityMillis
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if quality == 0 {
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quality = 1000
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}
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result = capability.EvaluationSupported
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}
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evidence := verificationEvidence(request, matched)
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writeJSON(w, capability.TaskCaseVerificationResponse{CaseID: request.CaseID, Result: result, QualityScoreMillis: quality, LatencyMicros: request.LatencyMicros, EvidenceArtifactRef: request.EvidenceArtifactRef, VerificationEvidenceRef: evidence, VerifierIdentity: verifierIdentity})
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}
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func verificationEvidence(request capability.TaskCaseVerificationRequest, matched bool) string {
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payload := fmt.Sprintf("%s|%s|%s|%t", verifierIdentity, request.CaseID, request.EvidenceArtifactRef, matched)
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digest := sha256.Sum256([]byte(payload))
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return "verification:" + hex.EncodeToString(digest[:])
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}
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func writeJSON(w http.ResponseWriter, value any) {
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w.Header().Set("Content-Type", "application/json")
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_ = json.NewEncoder(w).Encode(value)
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}
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