bring in khatru and eventstore.

khatru/blossom/server.go

@@ -0,0 +1,78 @@
+package blossom
+
+import (
+	"context"
+	"io"
+	"net/http"
+	"strings"
+
+	"github.com/fiatjaf/khatru"
+	"github.com/nbd-wtf/go-nostr"
+)
+
+type BlossomServer struct {
+	ServiceURL string
+	Store      BlobIndex
+
+	StoreBlob     []func(ctx context.Context, sha256 string, body []byte) error
+	LoadBlob      []func(ctx context.Context, sha256 string) (io.ReadSeeker, error)
+	DeleteBlob    []func(ctx context.Context, sha256 string) error
+	ReceiveReport []func(ctx context.Context, reportEvt *nostr.Event) error
+
+	RejectUpload []func(ctx context.Context, auth *nostr.Event, size int, ext string) (bool, string, int)
+	RejectGet    []func(ctx context.Context, auth *nostr.Event, sha256 string) (bool, string, int)
+	RejectList   []func(ctx context.Context, auth *nostr.Event, pubkey string) (bool, string, int)
+	RejectDelete []func(ctx context.Context, auth *nostr.Event, sha256 string) (bool, string, int)
+}
+
+func New(rl *khatru.Relay, serviceURL string) *BlossomServer {
+	bs := &BlossomServer{
+		ServiceURL: serviceURL,
+	}
+
+	base := rl.Router()
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/upload" {
+			if r.Method == "PUT" {
+				bs.handleUpload(w, r)
+				return
+			} else if r.Method == "HEAD" {
+				bs.handleUploadCheck(w, r)
+				return
+			}
+		}
+
+		if strings.HasPrefix(r.URL.Path, "/list/") && r.Method == "GET" {
+			bs.handleList(w, r)
+			return
+		}
+
+		if (len(r.URL.Path) == 65 || strings.Index(r.URL.Path, ".") == 65) && strings.Index(r.URL.Path[1:], "/") == -1 {
+			if r.Method == "HEAD" {
+				bs.handleHasBlob(w, r)
+				return
+			} else if r.Method == "GET" {
+				bs.handleGetBlob(w, r)
+				return
+			} else if r.Method == "DELETE" {
+				bs.handleDelete(w, r)
+				return
+			}
+		}
+
+		if r.URL.Path == "/report" {
+			if r.Method == "PUT" {
+				bs.handleReport(w, r)
+				return
+			}
+		}
+
+		base.ServeHTTP(w, r)
+	})
+
+	rl.SetRouter(mux)
+
+	return bs
+}