Rename manager to browser (#406)

* rename File Manager to File Browser

* rename fm to fb

http/auth.go

@@ -9,7 +9,7 @@ import (
 
 	"github.com/dgrijalva/jwt-go"
 	"github.com/dgrijalva/jwt-go/request"
-	fm "github.com/filebrowser/filebrowser"
+	fb "github.com/filebrowser/filebrowser"
 )
 
 const reCaptchaAPI = "/recaptcha/api/siteverify"
@@ -50,7 +50,7 @@ func reCaptcha(host, secret, response string) (bool, error) {
 }
 
 // authHandler processes the authentication for the user.
-func authHandler(c *fm.Context, w http.ResponseWriter, r *http.Request) (int, error) {
+func authHandler(c *fb.Context, w http.ResponseWriter, r *http.Request) (int, error) {
 	// NoAuth instances shouldn't call this method.
 	if c.NoAuth {
 		return 0, nil
@@ -86,7 +86,7 @@ func authHandler(c *fm.Context, w http.ResponseWriter, r *http.Request) (int, er
 	}
 
 	// Checks if the password is correct.
-	if !fm.CheckPasswordHash(cred.Password, u.Password) {
+	if !fb.CheckPasswordHash(cred.Password, u.Password) {
 		return http.StatusForbidden, nil
 	}
 
@@ -96,7 +96,7 @@ func authHandler(c *fm.Context, w http.ResponseWriter, r *http.Request) (int, er
 
 // renewAuthHandler is used when the front-end already has a JWT token
 // and is checking if it is up to date. If so, updates its info.
-func renewAuthHandler(c *fm.Context, w http.ResponseWriter, r *http.Request) (int, error) {
+func renewAuthHandler(c *fb.Context, w http.ResponseWriter, r *http.Request) (int, error) {
 	ok, u := validateAuth(c, r)
 	if !ok {
 		return http.StatusForbidden, nil
@@ -108,15 +108,15 @@ func renewAuthHandler(c *fm.Context, w http.ResponseWriter, r *http.Request) (in
 
 // claims is the JWT claims.
 type claims struct {
-	fm.User
+	fb.User
 	jwt.StandardClaims
 }
 
 // printToken prints the final JWT token to the user.
-func printToken(c *fm.Context, w http.ResponseWriter) (int, error) {
+func printToken(c *fb.Context, w http.ResponseWriter) (int, error) {
 	// Creates a copy of the user and removes it password
 	// hash so it never arrives to the user.
-	u := fm.User{}
+	u := fb.User{}
 	u = *c.User
 	u.Password = ""
 
@@ -125,7 +125,7 @@ func printToken(c *fm.Context, w http.ResponseWriter) (int, error) {
 		u,
 		jwt.StandardClaims{
 			ExpiresAt: time.Now().Add(time.Hour * 24).Unix(),
-			Issuer:    "File Manager",
+			Issuer:    "File Browser",
 		},
 	}
 
@@ -165,7 +165,7 @@ func (e extractor) ExtractToken(r *http.Request) (string, error) {
 
 // validateAuth is used to validate the authentication and returns the
 // User if it is valid.
-func validateAuth(c *fm.Context, r *http.Request) (bool, *fm.User) {
+func validateAuth(c *fb.Context, r *http.Request) (bool, *fb.User) {
 	if c.NoAuth {
 		c.User = c.DefaultUser
 		return true, c.User