Golang base.BasicAuthDecode函数代码示例

func HTTP(ctx *context.Context) {
	username := ctx.Params(":username")
	reponame := strings.TrimSuffix(ctx.Params(":reponame"), ".git")

	var isPull bool
	service := ctx.Query("service")
	if service == "git-receive-pack" ||
		strings.HasSuffix(ctx.Req.URL.Path, "git-receive-pack") {
		isPull = false
	} else if service == "git-upload-pack" ||
		strings.HasSuffix(ctx.Req.URL.Path, "git-upload-pack") {
		isPull = true
	} else {
		isPull = (ctx.Req.Method == "GET")
	}

	isWiki := false
	if strings.HasSuffix(reponame, ".wiki") {
		isWiki = true
		reponame = reponame[:len(reponame)-5]
	}

	repoUser, err := models.GetUserByName(username)
	if err != nil {
		if models.IsErrUserNotExist(err) {
			ctx.Handle(http.StatusNotFound, "GetUserByName", nil)
		} else {
			ctx.Handle(http.StatusInternalServerError, "GetUserByName", err)
		}
		return
	}

	repo, err := models.GetRepositoryByName(repoUser.Id, reponame)
	if err != nil {
		if models.IsErrRepoNotExist(err) {
			ctx.Handle(http.StatusNotFound, "GetRepositoryByName", nil)
		} else {
			ctx.Handle(http.StatusInternalServerError, "GetRepositoryByName", err)
		}
		return
	}

	// Only public pull don't need auth.
	isPublicPull := !repo.IsPrivate && isPull
	var (
		askAuth      = !isPublicPull || setting.Service.RequireSignInView
		authUser     *models.User
		authUsername string
		authPasswd   string
	)

	// check access
	if askAuth {
		authHead := ctx.Req.Header.Get("Authorization")
		if len(authHead) == 0 {
			ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=\".\"")
			ctx.Error(http.StatusUnauthorized)
			return
		}

		auths := strings.Fields(authHead)
		// currently check basic auth
		// TODO: support digit auth
		// FIXME: middlewares/context.go did basic auth check already,
		// maybe could use that one.
		if len(auths) != 2 || auths[0] != "Basic" {
			ctx.HandleText(http.StatusUnauthorized, "no basic auth and digit auth")
			return
		}
		authUsername, authPasswd, err = base.BasicAuthDecode(auths[1])
		if err != nil {
			ctx.HandleText(http.StatusUnauthorized, "no basic auth and digit auth")
			return
		}

		authUser, err = models.UserSignIn(authUsername, authPasswd)
		if err != nil {
			if !models.IsErrUserNotExist(err) {
				ctx.Handle(http.StatusInternalServerError, "UserSignIn error: %v", err)
				return
			}

			// Assume username now is a token.
			token, err := models.GetAccessTokenBySHA(authUsername)
			if err != nil {
				if models.IsErrAccessTokenNotExist(err) {
					ctx.HandleText(http.StatusUnauthorized, "invalid token")
				} else {
					ctx.Handle(http.StatusInternalServerError, "GetAccessTokenBySha", err)
				}
				return
			}
			token.Updated = time.Now()
			if err = models.UpdateAccessToken(token); err != nil {
				ctx.Handle(http.StatusInternalServerError, "UpdateAccessToken", err)
			}
			authUser, err = models.GetUserByID(token.UID)
			if err != nil {
				ctx.Handle(http.StatusInternalServerError, "GetUserByID", err)
				return
//.........这里部分代码省略.........

func Http(ctx *middleware.Context) {
	username := ctx.Params(":username")
	reponame := ctx.Params(":reponame")
	if strings.HasSuffix(reponame, ".git") {
		reponame = reponame[:len(reponame)-4]
	}

	var isPull bool
	service := ctx.Query("service")
	if service == "git-receive-pack" ||
		strings.HasSuffix(ctx.Req.URL.Path, "git-receive-pack") {
		isPull = false
	} else if service == "git-upload-pack" ||
		strings.HasSuffix(ctx.Req.URL.Path, "git-upload-pack") {
		isPull = true
	} else {
		isPull = (ctx.Req.Method == "GET")
	}

	repoUser, err := models.GetUserByName(username)
	if err != nil {
		if models.IsErrUserNotExist(err) {
			ctx.Handle(404, "GetUserByName", nil)
		} else {
			ctx.Handle(500, "GetUserByName", err)
		}
		return
	}

	repo, err := models.GetRepositoryByName(repoUser.Id, reponame)
	if err != nil {
		if models.IsErrRepoNotExist(err) {
			ctx.Handle(404, "GetRepositoryByName", nil)
		} else {
			ctx.Handle(500, "GetRepositoryByName", err)
		}
		return
	}

	// Only public pull don't need auth.
	isPublicPull := !repo.IsPrivate && isPull
	var (
		askAuth      = !isPublicPull || setting.Service.RequireSignInView
		authUser     *models.User
		authUsername string
		authPasswd   string
	)

	// check access
	if askAuth {
		baHead := ctx.Req.Header.Get("Authorization")
		if baHead == "" {
			authRequired(ctx)
			return
		}

		auths := strings.Fields(baHead)
		// currently check basic auth
		// TODO: support digit auth
		// FIXME: middlewares/context.go did basic auth check already,
		// maybe could use that one.
		if len(auths) != 2 || auths[0] != "Basic" {
			ctx.HandleText(401, "no basic auth and digit auth")
			return
		}
		authUsername, authPasswd, err = base.BasicAuthDecode(auths[1])
		if err != nil {
			ctx.HandleText(401, "no basic auth and digit auth")
			return
		}

		authUser, err = models.UserSignIn(authUsername, authPasswd)
		if err != nil {
			if !models.IsErrUserNotExist(err) {
				ctx.Handle(500, "UserSignIn error: %v", err)
				return
			}

			// Assume username now is a token.
			token, err := models.GetAccessTokenBySha(authUsername)
			if err != nil {
				if err == models.ErrAccessTokenNotExist {
					ctx.HandleText(401, "invalid token")
				} else {
					ctx.Handle(500, "GetAccessTokenBySha", err)
				}
				return
			}
			authUser, err = models.GetUserByID(token.UID)
			if err != nil {
				ctx.Handle(500, "GetUserById", err)
				return
			}
			authUsername = authUser.Name
		}

		if !isPublicPull {
			var tp = models.ACCESS_MODE_WRITE
			if isPull {
				tp = models.ACCESS_MODE_READ
//.........这里部分代码省略.........

// SignedInUser returns the user object of signed user.
// It returns a bool value to indicate whether user uses basic auth or not.
func SignedInUser(ctx *macaron.Context, sess session.Store) (*models.User, bool) {
	if !models.HasEngine {
		return nil, false
	}

	uid := SignedInID(ctx, sess)

	if uid <= 0 {
		if setting.Service.EnableReverseProxyAuth {
			webAuthUser := ctx.Req.Header.Get(setting.ReverseProxyAuthUser)
			if len(webAuthUser) > 0 {
				u, err := models.GetUserByName(webAuthUser)
				if err != nil {
					if !models.IsErrUserNotExist(err) {
						log.Error(4, "GetUserByName: %v", err)
						return nil, false
					}

					// Check if enabled auto-registration.
					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 := ctx.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.UserSignIn(uname, passwd)
				if err != nil {
					if !models.IsErrUserNotExist(err) {
						log.Error(4, "UserSignIn: %v", err)
					}
					return nil, false
				}

				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
}

// SignedInUser returns the user object of signed user.
// It returns a bool value to indicate whether user uses basic auth or not.
func SignedInUser(ctx *macaron.Context, sess session.Store) (*models.User, bool) {
	if !models.HasEngine {
		return nil, false
	}

	uid := SignedInID(ctx, sess)

	if uid <= 0 {
		if setting.Service.EnableReverseProxyAuth {
			sandstormId := ctx.Req.Header.Get(setting.ReverseProxyAuthUser)
			if len(sandstormId) > 0 {
				u, err := models.GetUserBySandstormID(sandstormId)
				if err != nil {
					if !models.IsErrSandstormUserNotExist(err) {
						log.Error(4, "GetUserBySandstormID: %v", err)
						return nil, false
					}

					// Check if enabled auto-registration.
					if setting.Service.EnableReverseProxyAutoRegister {
						randomDigit := func() string {
							return string(rune('0' + rand.Intn(10)))
						}

						password := ""
						for i := 0; i < 16; i++ {
							password += randomDigit()
						}

						handle := ctx.Req.Header.Get("X-Sandstorm-Preferred-Handle")
						if len(handle) == 0 {
							handle = "gogsuser"
						}

						avatarLink := ctx.Req.Header.Get("X-Sandstorm-User-Picture")
						if len(avatarLink) == 0 {
							avatarLink = "mailto:" + sandstormId
						}

						for suffix := ""; len(suffix) < 5; suffix += randomDigit() {
							u := &models.User{
								SandstormId:     sandstormId,
								SandstormAvatar: avatarLink,
								Name:            handle + suffix,
								Email:           gouuid.NewV4().String() + "@localhost",
								Passwd:          password,
								IsActive:        true,
							}
							err = models.CreateUser(u)
							if err == nil {
								return u, false
							}
						}

						// FIXME: should I create a system notice?
						log.Error(4, "CreateUser: %v", err)
						return nil, false
					}
				}

				newAvatar := ctx.Req.Header.Get("X-Sandstorm-User-Picture")
				if len(newAvatar) == 0 {
					newAvatar = "mailto:" + sandstormId
				}
				if u.SandstormAvatar != newAvatar {
					u.SandstormAvatar = newAvatar
					models.UpdateUser(u)
				}
				return u, false
			}
		}

		// Check with basic auth.
		baHead := ctx.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.UserSignIn(uname, passwd)
				if err != nil {
					if !models.IsErrUserNotExist(err) {
						log.Error(4, "UserSignIn: %v", err)
					}
					return nil, false
				}

				return u, true
			}
		}
		return nil, false
	}

	u, err := models.GetUserByID(uid)
	if err != nil {
		log.Error(4, "GetUserById: %v", err)
		return nil, false
	}
//.........这里部分代码省略.........