vendor: update all dependencies

* Update all dependencies
  * Remove all `[[constraint]]` from Gopkg.toml
  * Add in the minimum number of `[[override]]` to build
  * Remove go get of github.com/inconshreveable/mousetrap as it is vendored
  * Update docs with new policy on constraints

vendor/github.com/t3rm1n4l/go-mega/Makefile

@@ -8,7 +8,7 @@ test:
 build_dep:
 	go get -u github.com/kisielk/errcheck
 	go get -u golang.org/x/tools/cmd/goimports
-	go get -u github.com/golang/lint/golint
+	-#go get -u github.com/golang/lint/golint
 
 # Do source code quality checks
 check:

vendor/github.com/t3rm1n4l/go-mega/mega.go

@@ -774,7 +774,9 @@ func (m *Mega) NewDownload(src *Node) (*Download, error) {
 	}
 
 	mac_enc := cipher.NewCBCEncrypter(aes_block, zero_iv)
+	m.FS.mutex.Lock()
 	t := bytes_to_a32(src.meta.iv)
+	m.FS.mutex.Unlock()
 	iv := a32_to_bytes([]uint32{t[0], t[1], t[0], t[1]})
 
 	d := &Download{

vendor/github.com/t3rm1n4l/go-mega/mega_test.go

@@ -35,7 +35,14 @@ func retry(t *testing.T, what string, fn func() error) {
 	t.Fatalf("%s failed: %v", what, err)
 }
 
+func skipIfNoCredentials(t *testing.T) {
+	if USER == "" || PASSWORD == "" {
+		t.Skip("MEGA_USER and MEGA_PASSWD not set - skipping integration tests")
+	}
+}
+
 func initSession(t *testing.T) *Mega {
+	skipIfNoCredentials(t)
 	m := New()
 	// m.SetDebugger(log.Printf)
 	retry(t, "Login", func() error {
@@ -113,6 +120,8 @@ func fileMD5(t *testing.T, name string) string {
 }
 
 func TestLogin(t *testing.T) {
+	skipIfNoCredentials(t)
+
 	m := New()
 	retry(t, "Login", func() error {
 		return m.Login(USER, PASSWORD)
@@ -233,6 +242,8 @@ func TestCreateDir(t *testing.T) {
 }
 
 func TestConfig(t *testing.T) {
+	skipIfNoCredentials(t)
+
 	m := New()
 	m.SetAPIUrl("http://invalid.domain")
 	err := m.Login(USER, PASSWORD)

vendor/github.com/t3rm1n4l/go-mega/utils.go

@@ -12,6 +12,7 @@ import (
 	"math/big"
 	"net"
 	"net/http"
+	"regexp"
 	"strings"
 	"time"
 )
@@ -274,6 +275,8 @@ func getChunkSizes(size int64) (chunks []chunkSize) {
 	return chunks
 }
 
+var attrMatch = regexp.MustCompile(`{".*"}`)
+
 func decryptAttr(key []byte, data []byte) (attr FileAttr, err error) {
 	err = EBADATTR
 	block, err := aes.NewCipher(key)
@@ -287,6 +290,10 @@ func decryptAttr(key []byte, data []byte) (attr FileAttr, err error) {
 
 	if string(buf[:4]) == "MEGA" {
 		str := strings.TrimRight(string(buf[4:]), "\x00")
+		trimmed := attrMatch.FindString(str)
+		if trimmed != "" {
+			str = trimmed
+		}
 		err = json.Unmarshal([]byte(str), &attr)
 	}
 	return attr, err