Merge pull request #3615 from nolash/bzzpathfix_real5

 cmd/swarm, swarm/api: bzzr improve + networkid prio

2 files changed, 158 insertions, 7 deletions

diff --git a/swarm/api/http/server.go b/swarm/api/http/server.go
index c8e79ab4e..afd867efc 100644
--- a/swarm/api/http/server.go
+++ b/swarm/api/http/server.go
@@ -32,6 +32,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/swarm/api"
+	"github.com/ethereum/go-ethereum/swarm/storage"
 	"github.com/rs/cors"
 )
 
@@ -194,17 +195,34 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 		}
 	case r.Method == "GET" || r.Method == "HEAD":
 		path = trailingSlashes.ReplaceAllString(path, "")
+		if path == "" {
+			http.Error(w, "Empty path not allowed", http.StatusBadRequest)
+			return
+		}
 		if raw {
-			// resolving host
-			key, err := a.Resolve(path, nameresolver)
-			if err != nil {
-				glog.V(logger.Error).Infof("%v", err)
-				http.Error(w, err.Error(), http.StatusBadRequest)
-				return
+			var reader storage.LazySectionReader
+			parsedurl, _ := api.Parse(path)
+
+			if parsedurl == path {
+				key, err := a.Resolve(parsedurl, nameresolver)
+				if err != nil {
+					glog.V(logger.Error).Infof("%v", err)
+					http.Error(w, err.Error(), http.StatusBadRequest)
+					return
+				}
+				reader = a.Retrieve(key)
+			} else {
+				var status int
+				readertmp, _, status, err := a.Get(path, nameresolver)
+				if err != nil {
+					http.Error(w, err.Error(), status)
+					return
+				}
+				reader = readertmp
 			}
 
 			// retrieving content
-			reader := a.Retrieve(key)
+
 			quitC := make(chan bool)
 			size, err := reader.Size(quitC)
 			if err != nil {
diff --git a/swarm/api/http/server_test.go b/swarm/api/http/server_test.go
new file mode 100644
index 000000000..078589097
--- /dev/null
+++ b/swarm/api/http/server_test.go
@@ -0,0 +1,133 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package http
+
+import (
+	"bytes"
+	"io/ioutil"
+	"net/http"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/swarm/api"
+	"github.com/ethereum/go-ethereum/swarm/storage"
+)
+
+func TestBzzrGetPath(t *testing.T) {
+
+	var err error
+
+	maxproxyattempts := 3
+
+	testmanifest := []string{
+		`{"entries":[{"path":"a/","hash":"674af7073604ebfc0282a4ab21e5ef1a3c22913866879ebc0816f8a89896b2ed","contentType":"application/bzz-manifest+json","status":0}]}`,
+		`{"entries":[{"path":"a","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"b/","hash":"0a87b1c3e4bf013686cdf107ec58590f2004610ee58cc2240f26939f691215f5","contentType":"application/bzz-manifest+json","status":0}]}`,
+		`{"entries":[{"path":"b","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"c","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0}]}`,
+	}
+
+	testrequests := make(map[string]int)
+	testrequests["/"] = 0
+	testrequests["/a"] = 1
+	testrequests["/a/b"] = 2
+	testrequests["/x"] = 0
+	testrequests[""] = 0
+
+	expectedfailrequests := []string{"", "/x"}
+
+	reader := [3]*bytes.Reader{}
+
+	key := [3]storage.Key{}
+
+	dir, _ := ioutil.TempDir("", "bzz-storage-test")
+
+	storeparams := &storage.StoreParams{
+		ChunkDbPath:   dir,
+		DbCapacity:    5000000,
+		CacheCapacity: 5000,
+		Radius:        0,
+	}
+
+	localStore, err := storage.NewLocalStore(storage.MakeHashFunc("SHA3"), storeparams)
+	if err != nil {
+		t.Fatal(err)
+	}
+	chunker := storage.NewTreeChunker(storage.NewChunkerParams())
+	dpa := &storage.DPA{
+		Chunker:    chunker,
+		ChunkStore: localStore,
+	}
+	dpa.Start()
+	defer dpa.Stop()
+
+	wg := &sync.WaitGroup{}
+
+	for i, mf := range testmanifest {
+		reader[i] = bytes.NewReader([]byte(mf))
+		key[i], err = dpa.Store(reader[i], int64(len(mf)), wg, nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+		wg.Wait()
+	}
+
+	a := api.NewApi(dpa, nil)
+
+	/// \todo iterate port numbers up if fail
+	StartHttpServer(a, &Server{Addr: "127.0.0.1:8504", CorsString: ""})
+	// how to wait for ListenAndServe to have initialized? This is pretty cruuuude
+	// if we fix it we don't need maxproxyattempts anymore either
+	time.Sleep(1000 * time.Millisecond)
+	for i := 0; i <= maxproxyattempts; i++ {
+		_, err := http.Get("http://127.0.0.1:8504/bzzr:/" + common.ToHex(key[0])[2:] + "/a")
+		if i == maxproxyattempts {
+			t.Fatalf("Failed to connect to proxy after %v attempts: %v", i, err)
+		} else if err != nil {
+			time.Sleep(100 * time.Millisecond)
+			continue
+		}
+		break
+	}
+
+	for k, v := range testrequests {
+		var resp *http.Response
+		var respbody []byte
+
+		url := "http://127.0.0.1:8504/bzzr:/"
+		if k[:] != "" {
+			url += common.ToHex(key[0])[2:] + "/" + k[1:] + "?content_type=text/plain"
+		}
+		resp, err = http.Get(url)
+		defer resp.Body.Close()
+		respbody, err = ioutil.ReadAll(resp.Body)
+
+		if string(respbody) != testmanifest[v] {
+			isexpectedfailrequest := false
+
+			for _, r := range expectedfailrequests {
+				if k[:] == r {
+					isexpectedfailrequest = true
+				}
+			}
+			if isexpectedfailrequest == false {
+				t.Fatalf("Response body does not match, expected: %v, got %v", testmanifest[v], string(respbody))
+			}
+		}
+	}
+
+}