Fixes for the PR

- Removed external dependencies for test
- Prevent building restic-server w/ Go 1.3

Go versions 1.0, 1.1., and 1.2 are going to fail as well, but they
are "excluded" by README.md already.

src/restic/cmd/restic-server/handlers.go

@@ -1,3 +1,5 @@
+// +build go1.4
+
 package main
 
 import (
@@ -10,10 +12,14 @@ import (
 	"time"
 )
 
+// Context contains repository meta-data.
 type Context struct {
 	path string
 }
 
+// AuthHandler wraps h with a http.HandlerFunc that performs basic
+// authentication against the user/passwords pairs stored in f and returns the
+// http.HandlerFunc.
 func AuthHandler(f *HtpasswdFile, h http.Handler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		username, password, ok := r.BasicAuth()
@@ -29,6 +35,8 @@ func AuthHandler(f *HtpasswdFile, h http.Handler) http.HandlerFunc {
 	}
 }
 
+// CheckConfig returns a http.HandlerFunc that checks whether
+// a configuration exists.
 func CheckConfig(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		config := filepath.Join(c.path, "config")
@@ -39,6 +47,8 @@ func CheckConfig(c *Context) http.HandlerFunc {
 	}
 }
 
+// GetConfig returns a http.HandlerFunc that allows for a
+// config to be retrieved.
 func GetConfig(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		config := filepath.Join(c.path, "config")
@@ -51,6 +61,8 @@ func GetConfig(c *Context) http.HandlerFunc {
 	}
 }
 
+// SaveConfig returns a http.HandlerFunc that allows for a
+// config to be saved.
 func SaveConfig(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		config := filepath.Join(c.path, "config")
@@ -68,6 +80,8 @@ func SaveConfig(c *Context) http.HandlerFunc {
 	}
 }
 
+// ListBlobs returns a http.HandlerFunc that lists
+// all blobs of a given type in an arbitrary order.
 func ListBlobs(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := strings.Split(r.RequestURI, "/")
@@ -91,6 +105,8 @@ func ListBlobs(c *Context) http.HandlerFunc {
 	}
 }
 
+// CheckBlob reutrns a http.HandlerFunc that tests whether a blob exists
+// and returns 200, if it does, or 404 otherwise.
 func CheckBlob(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := strings.Split(r.RequestURI, "/")
@@ -105,6 +121,8 @@ func CheckBlob(c *Context) http.HandlerFunc {
 	}
 }
 
+// GetBlob returns a http.HandlerFunc that retrieves a blob
+// from the repository.
 func GetBlob(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := strings.Split(r.RequestURI, "/")
@@ -121,6 +139,7 @@ func GetBlob(c *Context) http.HandlerFunc {
 	}
 }
 
+// SaveBlob returns a http.HandlerFunc that saves a blob to the repository.
 func SaveBlob(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := strings.Split(r.RequestURI, "/")
@@ -141,6 +160,8 @@ func SaveBlob(c *Context) http.HandlerFunc {
 	}
 }
 
+// DeleteBlob returns a http.HandlerFunc that deletes a blob from the
+// repository.
 func DeleteBlob(c *Context) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := strings.Split(r.RequestURI, "/")

src/restic/cmd/restic-server/htpasswd.go

@@ -1,3 +1,5 @@
+// +build go1.4
+
 package main
 
 /*
@@ -36,10 +38,14 @@ import (
 // lookup passwords in a htpasswd file
 // The entries must have been created with -s for SHA encryption
 
+// HtpasswdFile is a map for usernames to passwords.
 type HtpasswdFile struct {
 	Users map[string]string
 }
 
+// NewHtpasswdFromFile reads the users and passwords from a htpasswd
+// file and returns them. If an error is encountered, it is returned, together
+// with a nil-Pointer for the HtpasswdFile.
 func NewHtpasswdFromFile(path string) (*HtpasswdFile, error) {
 	r, err := os.Open(path)
 	if err != nil {
@@ -49,13 +55,16 @@ func NewHtpasswdFromFile(path string) (*HtpasswdFile, error) {
 	return NewHtpasswd(r)
 }
 
+// NewHtpasswd reads the users and passwords from a htpasswd
+// datastream in file and returns them. If an error is encountered,
+// it is returned, together with a nil-Pointer for the HtpasswdFile.
 func NewHtpasswd(file io.Reader) (*HtpasswdFile, error) {
-	csv_reader := csv.NewReader(file)
-	csv_reader.Comma = ':'
-	csv_reader.Comment = '#'
-	csv_reader.TrimLeadingSpace = true
+	cr := csv.NewReader(file)
+	cr.Comma = ':'
+	cr.Comment = '#'
+	cr.TrimLeadingSpace = true
 
-	records, err := csv_reader.ReadAll()
+	records, err := cr.ReadAll()
 	if err != nil {
 		return nil, err
 	}
@@ -66,6 +75,9 @@ func NewHtpasswd(file io.Reader) (*HtpasswdFile, error) {
 	return h, nil
 }
 
+// Validate returns true if password matches the stored password
+// for user. If no password for user is stored, or the password
+// is wrong, false is returned.
 func (h *HtpasswdFile) Validate(user string, password string) bool {
 	realPassword, exists := h.Users[user]
 	if !exists {

src/restic/cmd/restic-server/router.go

@@ -1,3 +1,5 @@
+// +build go1.4
+
 package main
 
 import (
@@ -6,83 +8,103 @@ import (
 	"strings"
 )
 
+// Route is a handler for a path that was already split.
 type Route struct {
 	path    []string
 	handler http.Handler
 }
 
+// Router maps HTTP methods to a slice of Route handlers.
 type Router struct {
 	routes map[string][]Route
 }
 
+// NewRouter creates a new Router and returns a pointer to it.
 func NewRouter() *Router {
 	return &Router{make(map[string][]Route)}
 }
 
+// Options registers handler for path with method "OPTIONS".
 func (router *Router) Options(path string, handler http.Handler) {
 	router.Handle("OPTIONS", path, handler)
 }
 
+// OptionsFunc registers handler for path with method "OPTIONS".
 func (router *Router) OptionsFunc(path string, handler http.HandlerFunc) {
 	router.Handle("OPTIONS", path, handler)
 }
 
+// Get registers handler for path with method "GET".
 func (router *Router) Get(path string, handler http.Handler) {
 	router.Handle("GET", path, handler)
 }
 
+// GetFunc registers handler for path with method "GET".
 func (router *Router) GetFunc(path string, handler http.HandlerFunc) {
 	router.Handle("GET", path, handler)
 }
 
+// Head registers handler for path with method "HEAD".
 func (router *Router) Head(path string, handler http.Handler) {
 	router.Handle("HEAD", path, handler)
 }
 
+// HeadFunc registers handler for path with method "HEAD".
 func (router *Router) HeadFunc(path string, handler http.HandlerFunc) {
 	router.Handle("HEAD", path, handler)
 }
 
+// Post registers handler for path with method "POST".
 func (router *Router) Post(path string, handler http.Handler) {
 	router.Handle("POST", path, handler)
 }
 
+// PostFunc registers handler for path with method "POST".
 func (router *Router) PostFunc(path string, handler http.HandlerFunc) {
 	router.Handle("POST", path, handler)
 }
 
+// Put registers handler for path with method "PUT".
 func (router *Router) Put(path string, handler http.Handler) {
 	router.Handle("PUT", path, handler)
 }
 
+// PutFunc registers handler for path with method "PUT".
 func (router *Router) PutFunc(path string, handler http.HandlerFunc) {
 	router.Handle("PUT", path, handler)
 }
 
+// Delete registers handler for path with method "DELETE".
 func (router *Router) Delete(path string, handler http.Handler) {
 	router.Handle("DELETE", path, handler)
 }
 
+// DeleteFunc registers handler for path with method "DELETE".
 func (router *Router) DeleteFunc(path string, handler http.HandlerFunc) {
 	router.Handle("DELETE", path, handler)
 }
 
+// Trace registers handler for path with method "TRACE".
 func (router *Router) Trace(path string, handler http.Handler) {
 	router.Handle("TRACE", path, handler)
 }
 
+// TraceFunc registers handler for path with method "TRACE".
 func (router *Router) TraceFunc(path string, handler http.HandlerFunc) {
 	router.Handle("TRACE", path, handler)
 }
 
+// Connect registers handler for path with method "Connect".
 func (router *Router) Connect(path string, handler http.Handler) {
 	router.Handle("Connect", path, handler)
 }
 
+// ConnectFunc registers handler for path with method "Connect".
 func (router *Router) ConnectFunc(path string, handler http.HandlerFunc) {
 	router.Handle("Connect", path, handler)
 }
 
+// Handle registers a http.Handler for method and uri
 func (router *Router) Handle(method string, uri string, handler http.Handler) {
 	routes := router.routes[method]
 	path := strings.Split(uri, "/")

src/restic/cmd/restic-server/router_test.go

@@ -1,3 +1,5 @@
+// +build go1.4
+
 package main
 
 import (
@@ -6,8 +8,6 @@ import (
 	"net/http/httptest"
 	"strings"
 	"testing"
-
-	"github.com/stretchr/testify/require"
 )
 
 func TestRouter(t *testing.T) {
@@ -38,21 +38,37 @@ func TestRouter(t *testing.T) {
 
 	getConfigResp, _ := http.Get(server.URL + "/config")
 	getConfigBody, _ := ioutil.ReadAll(getConfigResp.Body)
-	require.Equal(t, 200, getConfigResp.StatusCode)
-	require.Equal(t, string(getConfig), string(getConfigBody))
+	if getConfigResp.StatusCode != 200 {
+		t.Fatalf("Wanted HTTP Status 200, got %d", getConfigResp.StatusCode)
+	}
+	if string(getConfig) != string(getConfigBody) {
+		t.Fatalf("Config wrong:\nWanted '%s'\nGot: '%s'", string(getConfig), string(getConfigBody))
+	}
 
 	postConfigResp, _ := http.Post(server.URL+"/config", "binary/octet-stream", strings.NewReader("post test"))
 	postConfigBody, _ := ioutil.ReadAll(postConfigResp.Body)
-	require.Equal(t, 200, postConfigResp.StatusCode)
-	require.Equal(t, string(postConfig), string(postConfigBody))
+	if postConfigResp.StatusCode != 200 {
+		t.Fatalf("Wanted HTTP Status 200, got %d", postConfigResp.StatusCode)
+	}
+	if string(postConfig) != string(postConfigBody) {
+		t.Fatalf("Config wrong:\nWanted '%s'\nGot: '%s'", string(postConfig), string(postConfigBody))
+	}
 
 	getBlobsResp, _ := http.Get(server.URL + "/blobs/")
 	getBlobsBody, _ := ioutil.ReadAll(getBlobsResp.Body)
-	require.Equal(t, 200, getBlobsResp.StatusCode)
-	require.Equal(t, string(getBlobs), string(getBlobsBody))
+	if getBlobsResp.StatusCode != 200 {
+		t.Fatalf("Wanted HTTP Status 200, got %d", getBlobsResp.StatusCode)
+	}
+	if string(getBlobs) != string(getBlobsBody) {
+		t.Fatalf("Config wrong:\nWanted '%s'\nGot: '%s'", string(getBlobs), string(getBlobsBody))
+	}
 
 	getBlobResp, _ := http.Get(server.URL + "/blobs/test")
 	getBlobBody, _ := ioutil.ReadAll(getBlobResp.Body)
-	require.Equal(t, 200, getBlobResp.StatusCode)
-	require.Equal(t, string(getBlob), string(getBlobBody))
+	if getBlobResp.StatusCode != 200 {
+		t.Fatalf("Wanted HTTP Status 200, got %d", getBlobResp.StatusCode)
+	}
+	if string(getBlob) != string(getBlobBody) {
+		t.Fatalf("Config wrong:\nWanted '%s'\nGot: '%s'", string(getBlob), string(getBlobBody))
+	}
 }

src/restic/cmd/restic-server/server.go

@@ -1,3 +1,5 @@
+// +build go1.4
+
 package main
 
 import (
@@ -9,8 +11,8 @@ import (
 )
 
 const (
-	HTTP  = ":8000"
-	HTTPS = ":8443"
+	defaultHTTPPort  = ":8000"
+	defaultHTTPSPort = ":8443"
 )
 
 func main() {
@@ -56,15 +58,15 @@ func main() {
 
 	// start the server
 	if !*tls {
-		log.Printf("start server on port %s\n", HTTP)
-		http.ListenAndServe(HTTP, handler)
+		log.Printf("start server on port %s\n", defaultHTTPPort)
+		http.ListenAndServe(defaultHTTPPort, handler)
 	} else {
 		privateKey := filepath.Join(*path, "private_key")
 		publicKey := filepath.Join(*path, "public_key")
 		log.Println("TLS enabled")
 		log.Printf("private key: %s", privateKey)
 		log.Printf("public key: %s", publicKey)
-		log.Printf("start server on port %s\n", HTTPS)
-		http.ListenAndServeTLS(HTTPS, publicKey, privateKey, handler)
+		log.Printf("start server on port %s\n", defaultHTTPSPort)
+		http.ListenAndServeTLS(defaultHTTPSPort, publicKey, privateKey, handler)
 	}
 }