githaven/modules/auth/auth.go
2014-12-05 18:08:09 -05:00

229 lines
5.5 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package auth
import (
"net/http"
"reflect"
"strings"
"github.com/Unknwon/macaron"
"github.com/macaron-contrib/binding"
"github.com/macaron-contrib/session"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/modules/base"
"github.com/gogits/gogs/modules/log"
"github.com/gogits/gogs/modules/setting"
"github.com/gogits/gogs/modules/uuid"
)
// SignedInId returns the id of signed in user.
func SignedInId(req *http.Request, sess session.Store) int64 {
if !models.HasEngine {
return 0
}
// API calls need to check access token.
if strings.HasPrefix(req.URL.Path, "/api/") {
auHead := req.Header.Get("Authorization")
if len(auHead) > 0 {
auths := strings.Fields(auHead)
if len(auths) == 2 && auths[0] == "token" {
t, err := models.GetAccessTokenBySha(auths[1])
if err != nil {
if err != models.ErrAccessTokenNotExist {
log.Error(4, "GetAccessTokenBySha: %v", err)
}
return 0
}
return t.Uid
}
}
}
uid := sess.Get("uid")
if uid == nil {
return 0
}
if id, ok := uid.(int64); ok {
if _, err := models.GetUserById(id); err != nil {
if err != models.ErrUserNotExist {
log.Error(4, "GetUserById: %v", err)
}
return 0
}
return id
}
return 0
}
// SignedInUser returns the user object of signed user.
// It returns a bool value to indicate whether user uses basic auth or not.
func SignedInUser(req *http.Request, sess session.Store) (*models.User, bool) {
if !models.HasEngine {
return nil, false
}
uid := SignedInId(req, sess)
if uid <= 0 {
if setting.Service.EnableReverseProxyAuth {
webAuthUser := req.Header.Get(setting.ReverseProxyAuthUser)
if len(webAuthUser) > 0 {
u, err := models.GetUserByName(webAuthUser)
if err != nil {
if err != models.ErrUserNotExist {
log.Error(4, "GetUserByName: %v", err)
return nil, false
}
// Check if enabled auto-registeration.
if setting.Service.EnableReverseProxyAutoRegister {
u := &models.User{
Name: webAuthUser,
Email: uuid.NewV4().String() + "@localhost",
Passwd: webAuthUser,
IsActive: true,
}
if err = models.CreateUser(u); err != nil {
// FIXME: should I create a system notice?
log.Error(4, "CreateUser: %v", err)
return nil, false
} else {
return u, false
}
}
}
return u, false
}
}
// Check with basic auth.
baHead := req.Header.Get("Authorization")
if len(baHead) > 0 {
auths := strings.Fields(baHead)
if len(auths) == 2 && auths[0] == "Basic" {
uname, passwd, _ := base.BasicAuthDecode(auths[1])
u, err := models.GetUserByName(uname)
if err != nil {
if err != models.ErrUserNotExist {
log.Error(4, "GetUserByName: %v", err)
}
return nil, false
}
if u.ValidtePassword(passwd) {
return u, true
}
}
}
return nil, false
}
u, err := models.GetUserById(uid)
if err != nil {
log.Error(4, "GetUserById: %v", err)
return nil, false
}
return u, false
}
type Form interface {
binding.Validator
}
// AssignForm assign form values back to the template data.
func AssignForm(form interface{}, data map[string]interface{}) {
typ := reflect.TypeOf(form)
val := reflect.ValueOf(form)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
val = val.Elem()
}
for i := 0; i < typ.NumField(); i++ {
field := typ.Field(i)
fieldName := field.Tag.Get("form")
// Allow ignored fields in the struct
if fieldName == "-" {
continue
}
data[fieldName] = val.Field(i).Interface()
}
}
func getSize(field reflect.StructField, prefix string) string {
for _, rule := range strings.Split(field.Tag.Get("binding"), ";") {
if strings.HasPrefix(rule, prefix) {
return rule[8 : len(rule)-1]
}
}
return ""
}
func GetMinSize(field reflect.StructField) string {
return getSize(field, "MinSize(")
}
func GetMaxSize(field reflect.StructField) string {
return getSize(field, "MaxSize(")
}
func validate(errs binding.Errors, data map[string]interface{}, f Form, l macaron.Locale) binding.Errors {
if errs.Len() == 0 {
return errs
}
data["HasError"] = true
AssignForm(f, data)
typ := reflect.TypeOf(f)
val := reflect.ValueOf(f)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
val = val.Elem()
}
for i := 0; i < typ.NumField(); i++ {
field := typ.Field(i)
fieldName := field.Tag.Get("form")
// Allow ignored fields in the struct
if fieldName == "-" {
continue
}
if errs[0].FieldNames[0] == field.Name {
data["Err_"+field.Name] = true
trName := l.Tr("form." + field.Name)
switch errs[0].Classification {
case binding.RequiredError:
data["ErrorMsg"] = trName + l.Tr("form.require_error")
case binding.AlphaDashError:
data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_error")
case binding.AlphaDashDotError:
data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_dot_error")
case binding.MinSizeError:
data["ErrorMsg"] = trName + l.Tr("form.min_size_error", GetMinSize(field))
case binding.MaxSizeError:
data["ErrorMsg"] = trName + l.Tr("form.max_size_error", GetMaxSize(field))
case binding.EmailError:
data["ErrorMsg"] = trName + l.Tr("form.email_error")
case binding.UrlError:
data["ErrorMsg"] = trName + l.Tr("form.url_error")
default:
data["ErrorMsg"] = l.Tr("form.unknown_error") + " " + errs[0].Classification
}
return errs
}
}
return errs
}