auth.go 6.6 KB

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  1. // Copyright 2014 The Gogs Authors. All rights reserved.
  2. // Use of this source code is governed by a MIT-style
  3. // license that can be found in the LICENSE file.
  4. package auth
  5. import (
  6. "reflect"
  7. "strings"
  8. "time"
  9. "github.com/Unknwon/com"
  10. "github.com/go-macaron/binding"
  11. "github.com/go-macaron/session"
  12. gouuid "github.com/satori/go.uuid"
  13. "gopkg.in/macaron.v1"
  14. "github.com/gogits/gogs/models"
  15. "github.com/gogits/gogs/modules/base"
  16. "github.com/gogits/gogs/modules/log"
  17. "github.com/gogits/gogs/modules/setting"
  18. )
  19. func IsAPIPath(url string) bool {
  20. return strings.HasPrefix(url, "/api/")
  21. }
  22. // SignedInID returns the id of signed in user.
  23. func SignedInID(ctx *macaron.Context, sess session.Store) int64 {
  24. if !models.HasEngine {
  25. return 0
  26. }
  27. // Check access token.
  28. if IsAPIPath(ctx.Req.URL.Path) {
  29. tokenSHA := ctx.Query("token")
  30. if len(tokenSHA) == 0 {
  31. // Well, check with header again.
  32. auHead := ctx.Req.Header.Get("Authorization")
  33. if len(auHead) > 0 {
  34. auths := strings.Fields(auHead)
  35. if len(auths) == 2 && auths[0] == "token" {
  36. tokenSHA = auths[1]
  37. }
  38. }
  39. }
  40. // Let's see if token is valid.
  41. if len(tokenSHA) > 0 {
  42. t, err := models.GetAccessTokenBySHA(tokenSHA)
  43. if err != nil {
  44. if models.IsErrAccessTokenNotExist(err) {
  45. log.Error(4, "GetAccessTokenBySHA: %v", err)
  46. }
  47. return 0
  48. }
  49. t.Updated = time.Now()
  50. if err = models.UpdateAccessToken(t); err != nil {
  51. log.Error(4, "UpdateAccessToken: %v", err)
  52. }
  53. return t.UID
  54. }
  55. }
  56. uid := sess.Get("uid")
  57. if uid == nil {
  58. return 0
  59. }
  60. if id, ok := uid.(int64); ok {
  61. if _, err := models.GetUserByID(id); err != nil {
  62. if !models.IsErrUserNotExist(err) {
  63. log.Error(4, "GetUserById: %v", err)
  64. }
  65. return 0
  66. }
  67. return id
  68. }
  69. return 0
  70. }
  71. // SignedInUser returns the user object of signed user.
  72. // It returns a bool value to indicate whether user uses basic auth or not.
  73. func SignedInUser(ctx *macaron.Context, sess session.Store) (*models.User, bool) {
  74. if !models.HasEngine {
  75. return nil, false
  76. }
  77. uid := SignedInID(ctx, sess)
  78. if uid <= 0 {
  79. if setting.Service.EnableReverseProxyAuth {
  80. webAuthUser := ctx.Req.Header.Get(setting.ReverseProxyAuthUser)
  81. if len(webAuthUser) > 0 {
  82. u, err := models.GetUserByName(webAuthUser)
  83. if err != nil {
  84. if !models.IsErrUserNotExist(err) {
  85. log.Error(4, "GetUserByName: %v", err)
  86. return nil, false
  87. }
  88. // Check if enabled auto-registration.
  89. if setting.Service.EnableReverseProxyAutoRegister {
  90. u := &models.User{
  91. Name: webAuthUser,
  92. Email: gouuid.NewV4().String() + "@localhost",
  93. Passwd: webAuthUser,
  94. IsActive: true,
  95. }
  96. if err = models.CreateUser(u); err != nil {
  97. // FIXME: should I create a system notice?
  98. log.Error(4, "CreateUser: %v", err)
  99. return nil, false
  100. } else {
  101. return u, false
  102. }
  103. }
  104. }
  105. return u, false
  106. }
  107. }
  108. // Check with basic auth.
  109. baHead := ctx.Req.Header.Get("Authorization")
  110. if len(baHead) > 0 {
  111. auths := strings.Fields(baHead)
  112. if len(auths) == 2 && auths[0] == "Basic" {
  113. uname, passwd, _ := base.BasicAuthDecode(auths[1])
  114. u, err := models.UserSignIn(uname, passwd)
  115. if err != nil {
  116. if !models.IsErrUserNotExist(err) {
  117. log.Error(4, "UserSignIn: %v", err)
  118. }
  119. return nil, false
  120. }
  121. return u, true
  122. }
  123. }
  124. return nil, false
  125. }
  126. u, err := models.GetUserByID(uid)
  127. if err != nil {
  128. log.Error(4, "GetUserById: %v", err)
  129. return nil, false
  130. }
  131. return u, false
  132. }
  133. type Form interface {
  134. binding.Validator
  135. }
  136. func init() {
  137. binding.SetNameMapper(com.ToSnakeCase)
  138. }
  139. // AssignForm assign form values back to the template data.
  140. func AssignForm(form interface{}, data map[string]interface{}) {
  141. typ := reflect.TypeOf(form)
  142. val := reflect.ValueOf(form)
  143. if typ.Kind() == reflect.Ptr {
  144. typ = typ.Elem()
  145. val = val.Elem()
  146. }
  147. for i := 0; i < typ.NumField(); i++ {
  148. field := typ.Field(i)
  149. fieldName := field.Tag.Get("form")
  150. // Allow ignored fields in the struct
  151. if fieldName == "-" {
  152. continue
  153. } else if len(fieldName) == 0 {
  154. fieldName = com.ToSnakeCase(field.Name)
  155. }
  156. data[fieldName] = val.Field(i).Interface()
  157. }
  158. }
  159. func getRuleBody(field reflect.StructField, prefix string) string {
  160. for _, rule := range strings.Split(field.Tag.Get("binding"), ";") {
  161. if strings.HasPrefix(rule, prefix) {
  162. return rule[len(prefix) : len(rule)-1]
  163. }
  164. }
  165. return ""
  166. }
  167. func GetSize(field reflect.StructField) string {
  168. return getRuleBody(field, "Size(")
  169. }
  170. func GetMinSize(field reflect.StructField) string {
  171. return getRuleBody(field, "MinSize(")
  172. }
  173. func GetMaxSize(field reflect.StructField) string {
  174. return getRuleBody(field, "MaxSize(")
  175. }
  176. func GetInclude(field reflect.StructField) string {
  177. return getRuleBody(field, "Include(")
  178. }
  179. // FIXME: struct contains a struct
  180. func validateStruct(obj interface{}) binding.Errors {
  181. return nil
  182. }
  183. func validate(errs binding.Errors, data map[string]interface{}, f Form, l macaron.Locale) binding.Errors {
  184. if errs.Len() == 0 {
  185. return errs
  186. }
  187. data["HasError"] = true
  188. AssignForm(f, data)
  189. typ := reflect.TypeOf(f)
  190. val := reflect.ValueOf(f)
  191. if typ.Kind() == reflect.Ptr {
  192. typ = typ.Elem()
  193. val = val.Elem()
  194. }
  195. for i := 0; i < typ.NumField(); i++ {
  196. field := typ.Field(i)
  197. fieldName := field.Tag.Get("form")
  198. // Allow ignored fields in the struct
  199. if fieldName == "-" {
  200. continue
  201. }
  202. if errs[0].FieldNames[0] == field.Name {
  203. data["Err_"+field.Name] = true
  204. trName := field.Tag.Get("locale")
  205. if len(trName) == 0 {
  206. trName = l.Tr("form." + field.Name)
  207. } else {
  208. trName = l.Tr(trName)
  209. }
  210. switch errs[0].Classification {
  211. case binding.ERR_REQUIRED:
  212. data["ErrorMsg"] = trName + l.Tr("form.require_error")
  213. case binding.ERR_ALPHA_DASH:
  214. data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_error")
  215. case binding.ERR_ALPHA_DASH_DOT:
  216. data["ErrorMsg"] = trName + l.Tr("form.alpha_dash_dot_error")
  217. case binding.ERR_SIZE:
  218. data["ErrorMsg"] = trName + l.Tr("form.size_error", GetSize(field))
  219. case binding.ERR_MIN_SIZE:
  220. data["ErrorMsg"] = trName + l.Tr("form.min_size_error", GetMinSize(field))
  221. case binding.ERR_MAX_SIZE:
  222. data["ErrorMsg"] = trName + l.Tr("form.max_size_error", GetMaxSize(field))
  223. case binding.ERR_EMAIL:
  224. data["ErrorMsg"] = trName + l.Tr("form.email_error")
  225. case binding.ERR_URL:
  226. data["ErrorMsg"] = trName + l.Tr("form.url_error")
  227. case binding.ERR_INCLUDE:
  228. data["ErrorMsg"] = trName + l.Tr("form.include_error", GetInclude(field))
  229. default:
  230. data["ErrorMsg"] = l.Tr("form.unknown_error") + " " + errs[0].Classification
  231. }
  232. return errs
  233. }
  234. }
  235. return errs
  236. }