Changelog 0.3.0

pkg/qbit/server/middleware.go

@@ -0,0 +1,84 @@
+package server
+
+import (
+	"context"
+	"encoding/base64"
+	"github.com/go-chi/chi/v5"
+	"goBlack/pkg/arr"
+	"net/http"
+	"strings"
+)
+
+func DecodeAuthHeader(header string) (string, string, error) {
+	encodedTokens := strings.Split(header, " ")
+	if len(encodedTokens) != 2 {
+		return "", "", nil
+	}
+	encodedToken := encodedTokens[1]
+
+	bytes, err := base64.StdEncoding.DecodeString(encodedToken)
+	if err != nil {
+		return "", "", err
+	}
+
+	bearer := string(bytes)
+
+	colonIndex := strings.LastIndex(bearer, ":")
+	host := bearer[:colonIndex]
+	token := bearer[colonIndex+1:]
+
+	return host, token, nil
+}
+
+func (s *Server) CategoryContext(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		category := strings.Trim(r.URL.Query().Get("category"), "")
+		if category == "" {
+			// Get from form
+			_ = r.ParseForm()
+			category = r.Form.Get("category")
+			if category == "" {
+				// Get from multipart form
+				_ = r.ParseMultipartForm(0)
+				category = r.FormValue("category")
+			}
+		}
+		ctx := r.Context()
+		ctx = context.WithValue(r.Context(), "category", category)
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
+}
+
+func (s *Server) authContext(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		host, token, err := DecodeAuthHeader(r.Header.Get("Authorization"))
+		category := r.Context().Value("category").(string)
+		a := &arr.Arr{
+			Name: category,
+		}
+		if err == nil {
+			a.Host = host
+			a.Token = token
+		}
+		s.qbit.Arrs.AddOrUpdate(a)
+		ctx := context.WithValue(r.Context(), "arr", a)
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
+}
+
+func HashesCtx(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		_hashes := chi.URLParam(r, "hashes")
+		var hashes []string
+		if _hashes != "" {
+			hashes = strings.Split(_hashes, "|")
+		}
+		if hashes == nil {
+			// Get hashes from form
+			_ = r.ParseForm()
+			hashes = r.Form["hashes"]
+		}
+		ctx := context.WithValue(r.Context(), "hashes", hashes)
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
+}