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Former-commit-id: e209005f7e80be254795678d91f46f0d04b5547b [formerly 4225df523b36ecfd0e851eded16b59649c202ddd] [formerly 763259ddf4dc402e78b32bbb0d52ae8a78c73180 [formerly d456f3cd44]]
Former-commit-id: efc96899f7c9ee16f8c1be34e627c47063e960c6 [formerly 210a6f56cbcc37e027b6f228efc73232b480fc97]
Former-commit-id: 2813303831dce2c7d8bbdf024644fd34ac181bad
This commit is contained in:
Henrique Dias 2017-07-26 17:50:39 +01:00
parent 2d3642f61e
commit c6883856b9
2 changed files with 130 additions and 103 deletions
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6
filemanager.go
View File

@ -16,8 +16,10 @@ import (
)
var (
// ErrDuplicated occurs when you try to create a user that already exists.
ErrDuplicated = errors.New("Duplicated user")
errUserExist = errors.New("user already exists")
errUserNotExist = errors.New("user does not exist")
errEmptyRequest = errors.New("request body is empty")
errEmptyPassword = errors.New("password is empty")
)
// FileManager is a file manager instance. It should be creating using the

227
users.go
View File

@ -11,7 +11,23 @@ import (
"github.com/asdine/storm"
)
// usersHandler is the entry point of the users API. It's just a router
// to send the request to its
func usersHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
if r.URL.Path == "/change-password" {
return usersUpdatePassword(c, w, r)
}
if r.URL.Path == "/change-css" {
return usersUpdateCSS(c, w, r)
}
// If the user is admin and the HTTP Method is not
// PUT, then we return forbidden.
if !c.User.Admin {
return http.StatusForbidden, nil
}
switch r.Method {
case http.MethodGet:
return usersGetHandler(c, w, r)
@ -26,20 +42,54 @@ func usersHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (in
return http.StatusNotImplemented, nil
}
// usersGetHandler is used to handle the GET requests for /api/users. It can print a list
// of users or a specific user. The password hash is always removed before being sent to the
// client.
func usersGetHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
if !c.User.Admin {
return http.StatusForbidden, nil
// getUserID returns the id from the user which is present
// in the request url. If the url is invalid and doesn't
// contain a valid ID, it returns an error.
func getUserID(r *http.Request) (int, error) {
// Obtains the ID in string from the URL and converts
// it into an integer.
sid := strings.TrimPrefix(r.URL.Path, "/")
sid = strings.TrimSuffix(sid, "/")
id, err := strconv.Atoi(sid)
if err != nil {
return http.StatusBadRequest, err
}
// If the request is a list of users.
return id, nil
}
// getUser returns the user which is present in the request
// body. If the body is empty or the JSON is invalid, it
// returns an error.
func getUser(r *http.Request) (*User, error) {
if r.Body == nil {
return nil, errEmptyRequest
}
var u *User
err := json.NewDecoder(r.Body).Decode(u)
if err != nil {
return nil, err
}
return u, nil
}
func usersGetHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
// Request for the default user data.
if r.URL.Path == "/base" {
return renderJSON(w, c.FM.DefaultUser)
}
// Request for the listing of users.
if r.URL.Path == "/" {
users := []User{}
for _, user := range c.FM.Users {
// Copies the user and removes the password.
// Copies the user info and removes its
// password so it won't be sent to the
// front-end.
u := *user
u.Password = ""
users = append(users, u)
@ -52,17 +102,9 @@ func usersGetHandler(c *RequestContext, w http.ResponseWriter, r *http.Request)
return renderJSON(w, users)
}
if r.URL.Path == "/base" {
return renderJSON(w, c.FM.DefaultUser)
}
// Otherwise we just want one, specific, user.
sid := strings.TrimPrefix(r.URL.Path, "/")
sid = strings.TrimSuffix(sid, "/")
id, err := strconv.Atoi(sid)
id, err := getUserID(r)
if err != nil {
return http.StatusNotFound, err
return http.StatusInternalServerError, err
}
// Searches for the user and prints the one who matches.
@ -76,36 +118,23 @@ func usersGetHandler(c *RequestContext, w http.ResponseWriter, r *http.Request)
return renderJSON(w, u)
}
// If there aren't any matches, return Not Found.
return http.StatusNotFound, nil
// If there aren't any matches, return not found.
return http.StatusNotFound, errUserNotExist
}
func usersPostHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
if !c.User.Admin {
return http.StatusForbidden, nil
}
// New users should be created on /api/users.
if r.URL.Path != "/" {
return http.StatusMethodNotAllowed, nil
}
// If the request body is empty, send a Bad Request status.
if r.Body == nil {
return http.StatusBadRequest, nil
}
var u User
// Parses the user and checks for error.
err := json.NewDecoder(r.Body).Decode(&u)
u, err := getUser(r)
if err != nil {
return http.StatusBadRequest, nil
return http.StatusBadRequest, err
}
// The username and the password cannot be empty.
// The username, password and scope cannot be empty.
if u.Username == "" || u.Password == "" || u.FileSystem == "" {
return http.StatusBadRequest, errors.New("Username, password or scope are empty")
return http.StatusBadRequest, errors.New("username, password or scope is empty")
}
// Initialize rules if they're not initialized.
@ -134,7 +163,7 @@ func usersPostHandler(c *RequestContext, w http.ResponseWriter, r *http.Request)
// Saves the user to the database.
err = c.FM.db.Save(&u)
if err == storm.ErrAlreadyExists {
return http.StatusConflict, err
return http.StatusConflict, errUserExist
}
if err != nil {
@ -142,7 +171,7 @@ func usersPostHandler(c *RequestContext, w http.ResponseWriter, r *http.Request)
}
// Saves the user to the memory.
c.FM.Users[u.Username] = &u
c.FM.Users[u.Username] = u
// Set the Location header and return.
w.Header().Set("Location", "/users/"+strconv.Itoa(u.ID))
@ -151,101 +180,97 @@ func usersPostHandler(c *RequestContext, w http.ResponseWriter, r *http.Request)
}
func usersDeleteHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
if !c.User.Admin {
return http.StatusForbidden, nil
}
// New users should be created on /api/users.
if r.URL.Path == "/" {
return http.StatusMethodNotAllowed, nil
}
// Otherwise we just want one, specific, user.
sid := strings.TrimPrefix(r.URL.Path, "/")
sid = strings.TrimSuffix(sid, "/")
id, err := strconv.Atoi(sid)
id, err := getUserID(r)
if err != nil {
return http.StatusNotFound, err
return http.StatusInternalServerError, err
}
// Deletes the user from the database.
err = c.FM.db.DeleteStruct(&User{ID: id})
if err == storm.ErrNotFound {
return http.StatusNotFound, err
return http.StatusNotFound, errUserNotExist
}
if err != nil {
return http.StatusInternalServerError, err
}
// Delete the user from the in-memory users map.
for _, user := range c.FM.Users {
if user.ID == id {
delete(c.FM.Users, user.Username)
break
}
}
return http.StatusOK, nil
}
func usersPutHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
if !c.User.Admin && !(r.URL.Path == "/change-password" || r.URL.Path == "/change-css") {
return http.StatusForbidden, nil
func usersUpdatePassword(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
if r.Method != http.MethodPut {
return http.StatusMethodNotAllowed, nil
}
u, err := getUser(r)
if err != nil {
return http.StatusBadRequest, err
}
if u.Password == "" {
return http.StatusBadRequest, errEmptyPassword
}
pw, err := hashPassword(u.Password)
if err != nil {
return http.StatusInternalServerError, err
}
c.User.Password = pw
err = c.FM.db.UpdateField(&User{ID: c.User.ID}, "Password", pw)
if err != nil {
return http.StatusInternalServerError, err
}
return http.StatusOK, nil
}
func usersUpdateCSS(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
if r.Method != http.MethodPut {
return http.StatusMethodNotAllowed, nil
}
u, err := getUser(r)
if err != nil {
return http.StatusBadRequest, err
}
c.User.CSS = u.CSS
err = c.FM.db.UpdateField(&User{ID: c.User.ID}, "CSS", u.CSS)
if err != nil {
return http.StatusInternalServerError, err
}
return http.StatusOK, nil
}
func usersPutHandler(c *RequestContext, w http.ResponseWriter, r *http.Request) (int, error) {
// New users should be created on /api/users.
if r.URL.Path == "/" {
return http.StatusMethodNotAllowed, nil
}
// Otherwise we just want one, specific, user.
sid := strings.TrimPrefix(r.URL.Path, "/")
sid = strings.TrimSuffix(sid, "/")
id, err := strconv.Atoi(sid)
if err != nil && sid != "change-password" && sid != "change-css" {
return http.StatusNotFound, err
}
// If the request body is empty, send a Bad Request status.
if r.Body == nil {
return http.StatusBadRequest, errors.New("The request has an empty body")
}
var u User
// Parses the user and checks for error.
err = json.NewDecoder(r.Body).Decode(&u)
id, err := getUserID(r)
if err != nil {
return http.StatusBadRequest, errors.New("Invalid JSON")
return http.StatusInternalServerError, err
}
if sid == "change-password" {
if u.Password == "" {
return http.StatusBadRequest, errors.New("Password cannot be empty")
}
pw, err := hashPassword(u.Password)
if err != nil {
return http.StatusInternalServerError, err
}
c.User.Password = pw
err = c.FM.db.UpdateField(&User{ID: c.User.ID}, "Password", pw)
if err != nil {
return http.StatusInternalServerError, err
}
return http.StatusOK, nil
}
if sid == "change-css" {
c.User.CSS = u.CSS
err = c.FM.db.UpdateField(&User{ID: c.User.ID}, "CSS", u.CSS)
if err != nil {
return http.StatusInternalServerError, err
}
return http.StatusOK, nil
u, err := getUser(r)
if err != nil {
return http.StatusBadRequest, err
}
// The username and the filesystem cannot be empty.
@ -305,6 +330,6 @@ func usersPutHandler(c *RequestContext, w http.ResponseWriter, r *http.Request)
delete(c.FM.Users, ouser.Username)
}
c.FM.Users[u.Username] = &u
c.FM.Users[u.Username] = u
return http.StatusOK, nil
}