quickshare/src/handlers/multiusers/handlers.go
2021-09-26 11:53:33 +08:00

671 lines
19 KiB
Go

package multiusers
import (
"errors"
"fmt"
"path/filepath"
"strconv"
"time"
"github.com/dchest/captcha"
"github.com/gin-gonic/gin"
"github.com/ihexxa/gocfg"
"golang.org/x/crypto/bcrypt"
"github.com/ihexxa/quickshare/src/depidx"
q "github.com/ihexxa/quickshare/src/handlers"
"github.com/ihexxa/quickshare/src/userstore"
)
var (
ErrInvalidUser = errors.New("invalid user name or password")
ErrInvalidConfig = errors.New("invalid user config")
)
type MultiUsersSvc struct {
cfg gocfg.ICfg
deps *depidx.Deps
apiACRules map[string]bool
}
func NewMultiUsersSvc(cfg gocfg.ICfg, deps *depidx.Deps) (*MultiUsersSvc, error) {
publicPath := filepath.Join("/", cfg.GrabString("Server.PublicPath"))
apiACRules := map[string]bool{
// TODO: make these configurable
// admin rules
apiRuleCname(userstore.AdminRole, "GET", "/"): true,
apiRuleCname(userstore.AdminRole, "GET", publicPath): true,
apiRuleCname(userstore.AdminRole, "POST", "/v1/users/login"): true,
apiRuleCname(userstore.AdminRole, "POST", "/v1/users/logout"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/users/isauthed"): true,
apiRuleCname(userstore.AdminRole, "PATCH", "/v1/users/pwd"): true,
apiRuleCname(userstore.AdminRole, "PATCH", "/v1/users/"): true,
apiRuleCname(userstore.AdminRole, "PATCH", "/v1/users/pwd/force-set"): true,
apiRuleCname(userstore.AdminRole, "POST", "/v1/users/"): true,
apiRuleCname(userstore.AdminRole, "DELETE", "/v1/users/"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/users/list"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/users/self"): true,
apiRuleCname(userstore.AdminRole, "POST", "/v1/roles/"): true,
apiRuleCname(userstore.AdminRole, "DELETE", "/v1/roles/"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/roles/list"): true,
apiRuleCname(userstore.AdminRole, "POST", "/v1/fs/files"): true,
apiRuleCname(userstore.AdminRole, "DELETE", "/v1/fs/files"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/files"): true,
apiRuleCname(userstore.AdminRole, "PATCH", "/v1/fs/files/chunks"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/files/chunks"): true,
apiRuleCname(userstore.AdminRole, "PATCH", "/v1/fs/files/copy"): true,
apiRuleCname(userstore.AdminRole, "PATCH", "/v1/fs/files/move"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/dirs"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/dirs/home"): true,
apiRuleCname(userstore.AdminRole, "POST", "/v1/fs/dirs"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/uploadings"): true,
apiRuleCname(userstore.AdminRole, "DELETE", "/v1/fs/uploadings"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/metadata"): true,
apiRuleCname(userstore.AdminRole, "OPTIONS", "/v1/settings/health"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/captchas/"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/captchas/imgs"): true,
apiRuleCname(userstore.AdminRole, "POST", "/v1/fs/sharings"): true,
apiRuleCname(userstore.AdminRole, "DELETE", "/v1/fs/sharings"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/sharings"): true,
apiRuleCname(userstore.AdminRole, "GET", "/v1/fs/sharings/exist"): true,
apiRuleCname(userstore.AdminRole, "GET", "/hashes/sha1"): true,
// user rules
apiRuleCname(userstore.UserRole, "GET", "/"): true,
apiRuleCname(userstore.UserRole, "GET", publicPath): true,
apiRuleCname(userstore.UserRole, "POST", "/v1/users/logout"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/users/isauthed"): true,
apiRuleCname(userstore.UserRole, "PATCH", "/v1/users/pwd"): true,
apiRuleCname(userstore.UserRole, "PATCH", "/v1/users/"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/users/self"): true,
apiRuleCname(userstore.UserRole, "POST", "/v1/fs/files"): true,
apiRuleCname(userstore.UserRole, "DELETE", "/v1/fs/files"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/files"): true,
apiRuleCname(userstore.UserRole, "PATCH", "/v1/fs/files/chunks"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/files/chunks"): true,
apiRuleCname(userstore.UserRole, "PATCH", "/v1/fs/files/copy"): true,
apiRuleCname(userstore.UserRole, "PATCH", "/v1/fs/files/move"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/dirs"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/dirs/home"): true,
apiRuleCname(userstore.UserRole, "POST", "/v1/fs/dirs"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/uploadings"): true,
apiRuleCname(userstore.UserRole, "DELETE", "/v1/fs/uploadings"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/metadata"): true,
apiRuleCname(userstore.UserRole, "OPTIONS", "/v1/settings/health"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/captchas/"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/captchas/imgs"): true,
apiRuleCname(userstore.UserRole, "POST", "/v1/fs/sharings"): true,
apiRuleCname(userstore.UserRole, "DELETE", "/v1/fs/sharings"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/sharings"): true,
apiRuleCname(userstore.UserRole, "GET", "/v1/fs/sharings/exist"): true,
apiRuleCname(userstore.AdminRole, "GET", "/hashes/sha1"): true,
// visitor rules
apiRuleCname(userstore.VisitorRole, "GET", "/"): true,
apiRuleCname(userstore.VisitorRole, "GET", publicPath): true,
apiRuleCname(userstore.VisitorRole, "POST", "/v1/users/login"): true,
apiRuleCname(userstore.VisitorRole, "GET", "/v1/users/isauthed"): true,
apiRuleCname(userstore.VisitorRole, "GET", "/v1/users/self"): true,
apiRuleCname(userstore.VisitorRole, "GET", "/v1/fs/files"): true,
apiRuleCname(userstore.VisitorRole, "GET", "/v1/fs/dirs"): true,
apiRuleCname(userstore.VisitorRole, "OPTIONS", "/v1/settings/health"): true,
apiRuleCname(userstore.VisitorRole, "GET", "/v1/captchas/"): true,
apiRuleCname(userstore.VisitorRole, "GET", "/v1/captchas/imgs"): true,
}
return &MultiUsersSvc{
cfg: cfg,
deps: deps,
apiACRules: apiACRules,
}, nil
}
func (h *MultiUsersSvc) Init(adminName, adminPwd string) (string, error) {
var err error
fsPath := q.FsRootPath(adminName, "/")
if err = h.deps.FS().MkdirAll(fsPath); err != nil {
return "", err
}
uploadFolder := q.UploadFolder(adminName)
if err = h.deps.FS().MkdirAll(uploadFolder); err != nil {
return "", err
}
// TODO: return "" for being compatible with singleuser service, should remove this
err = h.deps.Users().Init(adminName, adminPwd)
if err != nil {
return "", err
}
usersInterface, ok := h.cfg.Slice("Users.PredefinedUsers")
spaceLimit := int64(h.cfg.IntOr("Users.SpaceLimit", 100*1024*1024))
uploadSpeedLimit := h.cfg.IntOr("Users.UploadSpeedLimit", 100*1024)
downloadSpeedLimit := h.cfg.IntOr("Users.DownloadSpeedLimit", 100*1024)
if ok {
userCfgs, ok := usersInterface.([]*userstore.UserCfg)
if !ok {
return "", fmt.Errorf("predefined user is invalid: %s", err)
}
for _, userCfg := range userCfgs {
// TODO: following operations must be atomic
// TODO: check if the folders already exists
fsRootFolder := q.FsRootPath(userCfg.Name, "/")
if err = h.deps.FS().MkdirAll(fsRootFolder); err != nil {
return "", err
}
uploadFolder := q.UploadFolder(userCfg.Name)
if err = h.deps.FS().MkdirAll(uploadFolder); err != nil {
return "", err
}
pwdHash, err := bcrypt.GenerateFromPassword([]byte(userCfg.Pwd), 10)
if err != nil {
return "", err
}
user := &userstore.User{
ID: h.deps.ID().Gen(),
Name: userCfg.Name,
Pwd: string(pwdHash),
Role: userCfg.Role,
Quota: &userstore.Quota{
SpaceLimit: spaceLimit,
UploadSpeedLimit: uploadSpeedLimit,
DownloadSpeedLimit: downloadSpeedLimit,
},
}
err = h.deps.Users().AddUser(user)
if err != nil {
h.deps.Log().Warn("warning: failed to add user(%s): %s", user, err)
return "", err
}
h.deps.Log().Infof("user(%s) is added", user.Name)
}
}
return "", nil
}
func (h *MultiUsersSvc) IsInited() bool {
return h.deps.Users().IsInited()
}
type LoginReq struct {
User string `json:"user"`
Pwd string `json:"pwd"`
CaptchaID string `json:"captchaId"`
CaptchaInput string `json:"captchaInput"`
}
func (h *MultiUsersSvc) Login(c *gin.Context) {
req := &LoginReq{}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
// TODO: add rate limiter for verifying
captchaEnabled := h.cfg.BoolOr("Users.CaptchaEnabled", true)
if captchaEnabled {
if !captcha.VerifyString(req.CaptchaID, req.CaptchaInput) {
c.JSON(q.ErrResp(c, 403, errors.New("login failed")))
return
}
}
user, err := h.deps.Users().GetUserByName(req.User)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
err = bcrypt.CompareHashAndPassword([]byte(user.Pwd), []byte(req.Pwd))
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
ttl := h.cfg.GrabInt("Users.CookieTTL")
token, err := h.deps.Token().ToToken(map[string]string{
q.UserIDParam: fmt.Sprint(user.ID),
q.UserParam: user.Name,
q.RoleParam: user.Role,
q.ExpireParam: fmt.Sprintf("%d", time.Now().Unix()+int64(ttl)),
})
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
secure := h.cfg.GrabBool("Users.CookieSecure")
httpOnly := h.cfg.GrabBool("Users.CookieHttpOnly")
c.SetCookie(q.TokenCookie, token, ttl, "/", "", secure, httpOnly)
c.JSON(q.Resp(200))
}
type LogoutReq struct{}
func (h *MultiUsersSvc) Logout(c *gin.Context) {
// token alreay verified in the authn middleware
secure := h.cfg.GrabBool("Users.CookieSecure")
httpOnly := h.cfg.GrabBool("Users.CookieHttpOnly")
c.SetCookie(q.TokenCookie, "", 0, "/", "", secure, httpOnly)
c.JSON(q.Resp(200))
}
func (h *MultiUsersSvc) IsAuthed(c *gin.Context) {
// token alreay verified in the authn middleware
role := c.MustGet(q.RoleParam).(string)
if role == userstore.VisitorRole {
c.JSON(q.ErrResp(c, 401, q.ErrUnauthorized))
return
}
c.JSON(q.Resp(200))
}
type SetPwdReq struct {
OldPwd string `json:"oldPwd"`
NewPwd string `json:"newPwd"`
}
func (h *MultiUsersSvc) SetPwd(c *gin.Context) {
req := &SetPwdReq{}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
} else if req.OldPwd == req.NewPwd {
c.JSON(q.ErrResp(c, 400, errors.New("password is not updated")))
return
}
claims, err := h.getUserInfo(c)
if err != nil {
c.JSON(q.ErrResp(c, 401, err))
return
}
uid, err := strconv.ParseUint(claims[q.UserIDParam], 10, 64)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
user, err := h.deps.Users().GetUser(uid)
if err != nil {
c.JSON(q.ErrResp(c, 402, err))
return
}
err = bcrypt.CompareHashAndPassword([]byte(user.Pwd), []byte(req.OldPwd))
if err != nil {
c.JSON(q.ErrResp(c, 403, ErrInvalidUser))
return
}
newHash, err := bcrypt.GenerateFromPassword([]byte(req.NewPwd), 10)
if err != nil {
c.JSON(q.ErrResp(c, 500, errors.New("fail to set password")))
return
}
err = h.deps.Users().SetPwd(uid, string(newHash))
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(q.Resp(200))
}
type ForceSetPwdReq struct {
ID string `json:"id"`
NewPwd string `json:"newPwd"`
}
func (h *MultiUsersSvc) ForceSetPwd(c *gin.Context) {
req := &ForceSetPwdReq{}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
}
claims, err := h.getUserInfo(c)
if err != nil {
c.JSON(q.ErrResp(c, 401, err))
return
}
if claims[q.RoleParam] != userstore.AdminRole {
c.JSON(q.ErrResp(c, 403, errors.New("operation denied")))
return
}
targetUID, err := strconv.ParseUint(req.ID, 10, 64)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
targetUser, err := h.deps.Users().GetUser(targetUID)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
if targetUser.Role == userstore.AdminRole {
c.JSON(q.ErrResp(c, 403, errors.New("can not set admin's password")))
return
}
newHash, err := bcrypt.GenerateFromPassword([]byte(req.NewPwd), 10)
if err != nil {
c.JSON(q.ErrResp(c, 500, errors.New("fail to set password")))
return
}
err = h.deps.Users().SetPwd(targetUser.ID, string(newHash))
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(q.Resp(200))
}
type AddUserReq struct {
Name string `json:"name"`
Pwd string `json:"pwd"`
Role string `json:"role"`
}
type AddUserResp struct {
ID string `json:"id"`
}
func (h *MultiUsersSvc) AddUser(c *gin.Context) {
req := &AddUserReq{}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
}
// Role and duplicated name will be validated by the store
var err error
if err = h.isValidUserName(req.Name); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
} else if err = h.isValidPwd(req.Pwd); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
}
uid := h.deps.ID().Gen()
pwdHash, err := bcrypt.GenerateFromPassword([]byte(req.Pwd), 10)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
// TODO: following operations must be atomic
// TODO: check if the folders already exists
fsRootFolder := q.FsRootPath(req.Name, "/")
if err = h.deps.FS().MkdirAll(fsRootFolder); err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
uploadFolder := q.UploadFolder(req.Name)
if err = h.deps.FS().MkdirAll(uploadFolder); err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
err = h.deps.Users().AddUser(&userstore.User{
ID: uid,
Name: req.Name,
Pwd: string(pwdHash),
Role: req.Role,
Quota: &userstore.Quota{
SpaceLimit: int64(h.cfg.IntOr("Users.SpaceLimit", 100*1024*1024)), // TODO: support int64
UploadSpeedLimit: h.cfg.IntOr("Users.UploadSpeedLimit", 100*1024),
DownloadSpeedLimit: h.cfg.IntOr("Users.DownloadSpeedLimit", 100*1024),
},
})
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(200, &AddUserResp{ID: fmt.Sprint(uid)})
}
type DelUserResp struct {
ID string `json:"id"`
}
func (h *MultiUsersSvc) DelUser(c *gin.Context) {
userIDStr := c.Query(q.UserIDParam)
userID, err := strconv.ParseUint(userIDStr, 10, 64)
if err != nil {
c.JSON(q.ErrResp(c, 400, fmt.Errorf("invalid users ID %w", err)))
return
} else if userID == 0 {
c.JSON(q.ErrResp(c, 400, errors.New("It is not allowed to delete root")))
return
}
claims, err := h.getUserInfo(c)
if err != nil {
c.JSON(q.ErrResp(c, 401, err))
return
}
if claims[q.UserIDParam] == userIDStr {
c.JSON(q.ErrResp(c, 403, errors.New("can not delete self")))
return
}
// TODO: try to make following atomic
err = h.deps.Users().DelUser(userID)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
// TODO: move the folder to recycle bin when it failed to remove it
homePath := userIDStr
if err = h.deps.FS().Remove(homePath); err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(200, &DelUserResp{ID: userIDStr})
}
type ListUsersResp struct {
Users []*userstore.User `json:"users"`
}
func (h *MultiUsersSvc) ListUsers(c *gin.Context) {
// TODO: pagination is not enabled
// lastID := 0
// lastIDStr := c.Query(q.LastID)
// if lastIDStr != "" {
// lastID, err := strconv.Atoi(lastIDStr)
// if err != nil {
// c.JSON(q.ErrResp(c, 400, fmt.Errorf("invalid param %w", err)))
// return
// }
// }
users, err := h.deps.Users().ListUsers()
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(200, &ListUsersResp{Users: users})
}
type AddRoleReq struct {
Role string `json:"role"`
}
func (h *MultiUsersSvc) AddRole(c *gin.Context) {
var err error
req := &AddRoleReq{}
if err = c.ShouldBindJSON(&req); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
}
if err = h.isValidRole(req.Role); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
}
err = h.deps.Users().AddRole(req.Role)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(q.Resp(200))
}
type DelRoleReq struct {
Role string `json:"role"`
}
func (h *MultiUsersSvc) DelRole(c *gin.Context) {
var err error
req := &DelRoleReq{}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
}
if err = h.isValidRole(req.Role); err != nil {
c.JSON(q.ErrResp(c, 400, err))
return
}
err = h.deps.Users().DelRole(req.Role)
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(q.Resp(200))
}
type ListRolesReq struct{}
type ListRolesResp struct {
Roles map[string]bool `json:"roles"`
}
func (h *MultiUsersSvc) ListRoles(c *gin.Context) {
roles, err := h.deps.Users().ListRoles()
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(200, &ListRolesResp{Roles: roles})
}
func (h *MultiUsersSvc) getUserInfo(c *gin.Context) (map[string]string, error) {
tokenStr, err := c.Cookie(q.TokenCookie)
if err != nil {
return nil, err
}
claims, err := h.deps.Token().FromToken(
tokenStr,
map[string]string{
q.UserIDParam: "",
q.UserParam: "",
q.RoleParam: "",
q.ExpireParam: "",
},
)
if err != nil {
return nil, err
} else if claims[q.UserIDParam] == "" || claims[q.UserParam] == "" {
return nil, ErrInvalidConfig
}
return claims, nil
}
func (h *MultiUsersSvc) isValidUserName(userName string) error {
minUserNameLen := h.cfg.GrabInt("Users.MinUserNameLen")
if len(userName) < minUserNameLen {
return errors.New("name is too short")
}
return nil
}
func (h *MultiUsersSvc) isValidPwd(pwd string) error {
minPwdLen := h.cfg.GrabInt("Users.MinPwdLen")
if len(pwd) < minPwdLen {
return errors.New("password is too short")
}
return nil
}
func (h *MultiUsersSvc) isValidRole(role string) error {
if role == userstore.AdminRole || role == userstore.UserRole || role == userstore.VisitorRole {
return errors.New("predefined roles can not be added/deleted")
}
return h.isValidUserName(role)
}
type SelfResp struct {
ID string `json:"id"`
Name string `json:"name"`
Role string `json:"role"`
Quota *userstore.Quota `json:"quota"`
UsedSpace int64 `json:"usedSpace,string"`
}
func (h *MultiUsersSvc) Self(c *gin.Context) {
claims, err := h.getUserInfo(c)
if err != nil {
c.JSON(q.ErrResp(c, 401, err))
return
}
user, err := h.deps.Users().GetUserByName(claims[q.UserParam])
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(200, &SelfResp{
ID: claims[q.UserIDParam],
Name: claims[q.UserParam],
Role: claims[q.RoleParam],
Quota: user.Quota,
UsedSpace: user.UsedSpace,
})
}
type SetUserReq struct {
ID uint64 `json:"id,string"`
Role string `json:"role"`
UsedSpace int64 `json:"usedSpace,string"`
Quota *userstore.Quota `json:"quota"`
}
func (h *MultiUsersSvc) SetUser(c *gin.Context) {
req := &SetUserReq{}
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
err := h.deps.Users().SetInfo(req.ID, &userstore.User{
Role: req.Role,
Quota: req.Quota,
})
if err != nil {
c.JSON(q.ErrResp(c, 500, err))
return
}
c.JSON(q.Resp(200))
}