Update Swift bindings

Signed-off-by: Sylvain Baubeau <sbaubeau@redhat.com>

Godeps/Godeps.json

@@ -122,7 +122,7 @@
 		},
 		{
 			"ImportPath": "github.com/ncw/swift",
-			"Rev": "ca8cbbde50d4e12dd8ad70b1bd66589ae98efc5c"
+			"Rev": "c54732e87b0b283d1baf0a18db689d0aea460ba3"
 		},
 		{
 			"ImportPath": "github.com/noahdesu/go-ceph/rados",

Godeps/_workspace/src/github.com/ncw/swift/README.md

@@ -132,3 +132,5 @@ Contributors
 - Dai HaoJun <haojun.dai@hp.com>
 - Hua Wang <wanghua.humble@gmail.com>
 - Fabian Ruff <fabian@progra.de>
+- Arturo Reuschenbach Puncernau <reuschenbach@gmail.com>
+- Petr Kotek <petr.kotek@bigcommerce.com>

Godeps/_workspace/src/github.com/ncw/swift/auth.go

@@ -156,6 +156,7 @@ func (auth *v2Auth) Request(c *Connection) (*http.Request, error) {
 		return nil, err
 	}
 	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("User-Agent", c.UserAgent)
 	return req, nil
 }
 

Godeps/_workspace/src/github.com/ncw/swift/auth_v3.go

@@ -177,6 +177,7 @@ func (auth *v3Auth) Request(c *Connection) (*http.Request, error) {
 		return nil, err
 	}
 	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("User-Agent", c.UserAgent)
 	return req, nil
 }
 

Godeps/_workspace/src/github.com/ncw/swift/swift.go

@@ -392,6 +392,26 @@ func (c *Connection) authenticated() bool {
 	return c.StorageUrl != "" && c.AuthToken != ""
 }
 
+// SwiftInfo contains the JSON object returned by Swift when the /info
+// route is queried. The object contains, among others, the Swift version,
+// the enabled middlewares and their configuration
+type SwiftInfo map[string]interface{}
+
+// Discover Swift configuration by doing a request against /info
+func (c *Connection) QueryInfo() (infos SwiftInfo, err error) {
+	infoUrl, err := url.Parse(c.StorageUrl)
+	if err != nil {
+		return nil, err
+	}
+	infoUrl.Path = path.Join(infoUrl.Path, "..", "..", "info")
+	resp, err := http.Get(infoUrl.String())
+	if err == nil {
+		err = readJson(resp, &infos)
+		return infos, err
+	}
+	return nil, err
+}
+
 // RequestOpts contains parameters for Connection.storage.
 type RequestOpts struct {
 	Container  string
@@ -418,6 +438,10 @@ type RequestOpts struct {
 // resp.Body.Close() must be called on it, unless noResponse is set in
 // which case the body will be closed in this function
 //
+// If "Content-Length" is set in p.Headers it will be used - this can
+// be used to override the default chunked transfer encoding for
+// uploads.
+//
 // This will Authenticate if necessary, and re-authenticate if it
 // receives a 401 error which means the token has expired
 //
@@ -433,8 +457,9 @@ func (c *Connection) Call(targetUrl string, p RequestOpts) (resp *http.Response,
 	var req *http.Request
 	for {
 		var authToken string
-		targetUrl, authToken, err = c.getUrlAndAuthToken(targetUrl, p.OnReAuth)
-
+		if targetUrl, authToken, err = c.getUrlAndAuthToken(targetUrl, p.OnReAuth); err != nil {
+			return //authentication failure
+		}
 		var URL *url.URL
 		URL, err = url.Parse(targetUrl)
 		if err != nil {
@@ -460,18 +485,27 @@ func (c *Connection) Call(targetUrl string, p RequestOpts) (resp *http.Response,
 		}
 		if p.Headers != nil {
 			for k, v := range p.Headers {
+				// Set ContentLength in req if the user passed it in in the headers
+				if k == "Content-Length" {
+					contentLength, err := strconv.ParseInt(v, 10, 64)
+					if err != nil {
+						return nil, nil, fmt.Errorf("Invalid %q header %q: %v", k, v, err)
+					}
+					req.ContentLength = contentLength
+				} else {
 					req.Header.Add(k, v)
 				}
 			}
-		req.Header.Add("User-Agent", DefaultUserAgent)
+		}
+		req.Header.Add("User-Agent", c.UserAgent)
 		req.Header.Add("X-Auth-Token", authToken)
 		resp, err = c.doTimeoutRequest(timer, req)
 		if err != nil {
-			if p.Operation == "HEAD" || p.Operation == "GET" {
+			if (p.Operation == "HEAD" || p.Operation == "GET") && retries > 0 {
 				retries--
 				continue
 			}
-			return
+			return nil, nil, err
 		}
 		// Check to see if token has expired
 		if resp.StatusCode == 401 && retries > 0 {
@@ -566,7 +600,8 @@ func readJson(resp *http.Response, result interface{}) (err error) {
 // ContainersOpts is options for Containers() and ContainerNames()
 type ContainersOpts struct {
 	Limit     int     // For an integer value n, limits the number of results to at most n values.
-	Marker    string  // Given a string value x, return object names greater in value than the specified marker.
+	Prefix    string  // Given a string value x, return container names matching the specified prefix.
+	Marker    string  // Given a string value x, return container names greater in value than the specified marker.
 	EndMarker string  // Given a string value x, return container names less in value than the specified marker.
 	Headers   Headers // Any additional HTTP headers - can be nil
 }
@@ -579,6 +614,9 @@ func (opts *ContainersOpts) parse() (url.Values, Headers) {
 		if opts.Limit > 0 {
 			v.Set("limit", strconv.Itoa(opts.Limit))
 		}
+		if opts.Prefix != "" {
+			v.Set("prefix", opts.Prefix)
+		}
 		if opts.Marker != "" {
 			v.Set("marker", opts.Marker)
 		}

Godeps/_workspace/src/github.com/ncw/swift/swift_test.go

@@ -65,6 +65,7 @@ func makeConnection() (*swift.Connection, error) {
 	UserName := os.Getenv("SWIFT_API_USER")
 	ApiKey := os.Getenv("SWIFT_API_KEY")
 	AuthUrl := os.Getenv("SWIFT_AUTH_URL")
+	Region := os.Getenv("SWIFT_REGION_NAME")
 
 	Insecure := os.Getenv("SWIFT_AUTH_INSECURE")
 	ConnectionChannelTimeout := os.Getenv("SWIFT_CONNECTION_CHANNEL_TIMEOUT")
@@ -96,6 +97,7 @@ func makeConnection() (*swift.Connection, error) {
 		UserName:       UserName,
 		ApiKey:         ApiKey,
 		AuthUrl:        AuthUrl,
+		Region:         Region,
 		Transport:      transport,
 		ConnectTimeout: 60 * time.Second,
 		Timeout:        60 * time.Second,
@@ -601,6 +603,45 @@ func TestObjectPutString(t *testing.T) {
 	}
 }
 
+func TestObjectPut(t *testing.T) {
+	headers := swift.Headers{}
+
+	// Set content size incorrectly - should produce an error
+	headers["Content-Length"] = strconv.FormatInt(CONTENT_SIZE-1, 10)
+	contents := bytes.NewBufferString(CONTENTS)
+	h, err := c.ObjectPut(CONTAINER, OBJECT, contents, true, CONTENT_MD5, "text/plain", headers)
+	if err == nil {
+		t.Fatal("Expecting error but didn't get one")
+	}
+
+	// Now set content size correctly
+	contents = bytes.NewBufferString(CONTENTS)
+	headers["Content-Length"] = strconv.FormatInt(CONTENT_SIZE, 10)
+	h, err = c.ObjectPut(CONTAINER, OBJECT, contents, true, CONTENT_MD5, "text/plain", headers)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if h["Etag"] != CONTENT_MD5 {
+		t.Errorf("Bad Etag want %q got %q", CONTENT_MD5, h["Etag"])
+	}
+
+	// Fetch object info and compare
+	info, _, err := c.Object(CONTAINER, OBJECT)
+	if err != nil {
+		t.Error(err)
+	}
+	if info.ContentType != "text/plain" {
+		t.Error("Bad content type", info.ContentType)
+	}
+	if info.Bytes != CONTENT_SIZE {
+		t.Error("Bad length")
+	}
+	if info.Hash != CONTENT_MD5 {
+		t.Error("Bad length")
+	}
+}
+
 func TestObjectEmpty(t *testing.T) {
 	err := c.ObjectPutString(CONTAINER, EMPTYOBJECT, "", "")
 	if err != nil {
@@ -1493,6 +1534,14 @@ func TestTempUrl(t *testing.T) {
 		if content, err := ioutil.ReadAll(resp.Body); err != nil || string(content) != CONTENTS {
 			t.Error("Bad content", err)
 		}
+
+		resp, err := http.Post(tempUrl, "image/jpeg", bytes.NewReader([]byte(CONTENTS)))
+		if err != nil {
+			t.Fatal("Failed to retrieve file from temporary url")
+		}
+		if resp.StatusCode != 401 {
+			t.Fatal("Expecting server to forbid access to object")
+		}
 	}
 
 	resp.Body.Close()
@@ -1500,7 +1549,17 @@ func TestTempUrl(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+}
 
+func TestQueryInfo(t *testing.T) {
+	infos, err := c.QueryInfo()
+	if err != nil {
+		t.Log("Server doesn't support querying info")
+		return
+	}
+	if _, ok := infos["swift"]; !ok {
+		t.Fatal("No 'swift' section found in configuration")
+	}
 }
 
 func TestContainerDelete(t *testing.T) {

Godeps/_workspace/src/github.com/ncw/swift/swifttest/server.go

@@ -443,7 +443,7 @@ func (objr objectResource) get(a *action) interface{} {
 			if obj, ok := item.(*object); ok {
 				length := len(obj.data)
 				size += length
-				sum.Write([]byte(components[0] + "/" + obj.name + "\n"))
+				sum.Write([]byte(hex.EncodeToString(obj.checksum)))
 				if start >= cursor+length {
 					continue
 				}
@@ -668,24 +668,42 @@ func (s *SwiftServer) serveHTTP(w http.ResponseWriter, req *http.Request) {
 		panic(notAuthorized())
 	}
 
+	if req.URL.String() == "/info" {
+		jsonMarshal(w, &swift.SwiftInfo{
+			"swift": map[string]interface{}{
+				"version": "1.2",
+			},
+			"tempurl": map[string]interface{}{
+				"methods": []string{"GET", "HEAD", "PUT"},
+			},
+		})
+		return
+	}
+
 	r = s.resourceForURL(req.URL)
 
 	key := req.Header.Get("x-auth-token")
-	if key == "" {
-		secretKey := ""
 	signature := req.URL.Query().Get("temp_url_sig")
 	expires := req.URL.Query().Get("temp_url_expires")
+	if key == "" && signature != "" && expires != "" {
 		accountName, _, _, _ := s.parseURL(req.URL)
+		secretKey := ""
 		if account, ok := s.Accounts[accountName]; ok {
 			secretKey = account.meta.Get("X-Account-Meta-Temp-Url-Key")
 		}
 
+		get_hmac := func(method string) string {
 			mac := hmac.New(sha1.New, []byte(secretKey))
-		body := fmt.Sprintf("%s\n%s\n%s", req.Method, expires, req.URL.Path)
+			body := fmt.Sprintf("%s\n%s\n%s", method, expires, req.URL.Path)
 			mac.Write([]byte(body))
-		expectedSignature := hex.EncodeToString(mac.Sum(nil))
+			return hex.EncodeToString(mac.Sum(nil))
+		}
 
-		if signature != expectedSignature {
+		if req.Method == "HEAD" {
+			if signature != get_hmac("GET") && signature != get_hmac("POST") && signature != get_hmac("PUT") {
+				panic(notAuthorized())
+			}
+		} else if signature != get_hmac(req.Method) {
 			panic(notAuthorized())
 		}
 	} else {