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altcha-server
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Mise à jour du handle de /verify et suppression de la route /verify-spam-filter

This commit is contained in:
Valentin Carroy 2024-09-16 15:06:49 +02:00
parent e90b6a57d8
commit 5c070dc16d
1 changed files with 16 additions and 78 deletions
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82
internal/api/server.go
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@ -2,7 +2,6 @@ package api
import (
"context"
"encoding/base64"
"encoding/json"
"fmt"
"log/slog"
@ -36,7 +35,6 @@ func (s *Server) Run(ctx context.Context) {
})
r.Get(s.baseUrl+"/request", s.requestHandler)
r.Post(s.baseUrl+"/verify", s.submitHandler)
r.Post(s.baseUrl+"/verify-spam-filter", s.submitSpamFilterHandler)
logger.Info(ctx, "altcha server listening on port "+s.port)
if err := http.ListenAndServe(":"+s.port, r); err != nil {
@ -49,7 +47,7 @@ func (s *Server) requestHandler(w http.ResponseWriter, r *http.Request) {
if err != nil {
http.Error(w, fmt.Sprintf("Failed to create challenge : %s", err), http.StatusInternalServerError)
slog.Error(err.Error())
slog.Error("Failed to create challenge,", "error", err)
return
}
@ -57,92 +55,32 @@ func (s *Server) requestHandler(w http.ResponseWriter, r *http.Request) {
}
func (s *Server) submitHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
formData := r.FormValue("altcha")
if formData == "" {
http.Error(w, "Atlcha payload missing", http.StatusBadRequest)
return
}
decodedPayload, err := base64.StdEncoding.DecodeString(formData)
if err != nil {
http.Error(w, "Failed to decode Altcha payload", http.StatusBadRequest)
return
}
var payload map[string]interface{}
if err := json.Unmarshal(decodedPayload, &payload); err != nil {
err := json.NewDecoder(r.Body).Decode(&payload)
if err != nil {
slog.Error("Failed to parse Altcha payload,", "error", err)
http.Error(w, "Failed to parse Altcha payload", http.StatusBadRequest)
return
}
verified, err := s.client.VerifySolution(payload)
if err != nil || !verified {
http.Error(w, "Invalid Altcha payload", http.StatusBadRequest)
return
}
writeJSON(w, map[string]interface{}{
"success": true,
"data": formData,
})
}
func (s *Server) submitSpamFilterHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
formData, err := formToMap(r)
if err != nil {
http.Error(w, "Cannot read form data", http.StatusBadRequest)
slog.Error(err.Error())
slog.Error("Invalid Altcha payload", "error", err)
http.Error(w, "Invalid Altcha payload,", http.StatusBadRequest)
return
}
payload := r.FormValue("altcha")
if payload == "" {
http.Error(w, "Atlcha payload missing", http.StatusBadRequest)
if !verified {
slog.Error("Invalid solution")
http.Error(w, "Invalid solution,", http.StatusBadRequest)
return
}
verified, verificationData, err := s.client.VerifyServerSignature(payload)
if err != nil || !verified {
http.Error(w, "Invalid Altcha payload", http.StatusBadRequest)
slog.Error(err.Error())
return
}
if verificationData.Verified && verificationData.Expire > time.Now().Unix() {
if verificationData.Classification == "BAD" {
http.Error(w, "Classified as spam", http.StatusBadRequest)
return
}
if verificationData.FieldsHash != "" {
verified, err := s.client.VerifyFieldsHash(formData, verificationData.Fields, verificationData.FieldsHash)
if err != nil || !verified {
http.Error(w, "Invalid fields hash", http.StatusBadRequest)
slog.Error(err.Error())
return
}
}
writeJSON(w, map[string]interface{}{
"success": true,
"data": formData,
"verificationData": verificationData,
"data": payload,
})
return
}
http.Error(w, "Invalid Altcha payload", http.StatusBadRequest)
}
func corsMiddleware(next http.Handler) http.Handler {