mirror of
https://github.com/go-gitea/gitea
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* Move user related model into models/user * Fix lint for windows * Fix windows lint * Fix windows lint * Move some tests in models * Merge
292 lines
7.4 KiB
Go
292 lines
7.4 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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"fmt"
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"code.gitea.io/gitea/models/db"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/log"
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)
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// AccessMode specifies the users access mode
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type AccessMode int
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const (
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// AccessModeNone no access
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AccessModeNone AccessMode = iota // 0
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// AccessModeRead read access
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AccessModeRead // 1
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// AccessModeWrite write access
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AccessModeWrite // 2
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// AccessModeAdmin admin access
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AccessModeAdmin // 3
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// AccessModeOwner owner access
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AccessModeOwner // 4
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)
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func (mode AccessMode) String() string {
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switch mode {
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case AccessModeRead:
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return "read"
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case AccessModeWrite:
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return "write"
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case AccessModeAdmin:
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return "admin"
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case AccessModeOwner:
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return "owner"
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default:
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return "none"
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}
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}
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// ColorFormat provides a ColorFormatted version of this AccessMode
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func (mode AccessMode) ColorFormat(s fmt.State) {
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log.ColorFprintf(s, "%d:%s",
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log.NewColoredIDValue(mode),
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mode)
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}
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// ParseAccessMode returns corresponding access mode to given permission string.
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func ParseAccessMode(permission string) AccessMode {
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switch permission {
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case "write":
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return AccessModeWrite
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case "admin":
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return AccessModeAdmin
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default:
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return AccessModeRead
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}
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}
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// Access represents the highest access level of a user to the repository. The only access type
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// that is not in this table is the real owner of a repository. In case of an organization
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// repository, the members of the owners team are in this table.
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type Access struct {
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ID int64 `xorm:"pk autoincr"`
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UserID int64 `xorm:"UNIQUE(s)"`
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RepoID int64 `xorm:"UNIQUE(s)"`
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Mode AccessMode
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}
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func init() {
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db.RegisterModel(new(Access))
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}
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func accessLevel(e db.Engine, user *user_model.User, repo *Repository) (AccessMode, error) {
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mode := AccessModeNone
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var userID int64
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restricted := false
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if user != nil {
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userID = user.ID
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restricted = user.IsRestricted
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}
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if !restricted && !repo.IsPrivate {
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mode = AccessModeRead
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}
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if userID == 0 {
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return mode, nil
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}
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if userID == repo.OwnerID {
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return AccessModeOwner, nil
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}
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a := &Access{UserID: userID, RepoID: repo.ID}
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if has, err := e.Get(a); !has || err != nil {
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return mode, err
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}
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return a.Mode, nil
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}
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func maxAccessMode(modes ...AccessMode) AccessMode {
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max := AccessModeNone
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for _, mode := range modes {
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if mode > max {
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max = mode
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}
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}
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return max
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}
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type userAccess struct {
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User *user_model.User
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Mode AccessMode
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}
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// updateUserAccess updates an access map so that user has at least mode
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func updateUserAccess(accessMap map[int64]*userAccess, user *user_model.User, mode AccessMode) {
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if ua, ok := accessMap[user.ID]; ok {
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ua.Mode = maxAccessMode(ua.Mode, mode)
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} else {
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accessMap[user.ID] = &userAccess{User: user, Mode: mode}
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}
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}
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// FIXME: do cross-comparison so reduce deletions and additions to the minimum?
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func (repo *Repository) refreshAccesses(e db.Engine, accessMap map[int64]*userAccess) (err error) {
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minMode := AccessModeRead
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if !repo.IsPrivate {
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minMode = AccessModeWrite
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}
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newAccesses := make([]Access, 0, len(accessMap))
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for userID, ua := range accessMap {
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if ua.Mode < minMode && !ua.User.IsRestricted {
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continue
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}
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newAccesses = append(newAccesses, Access{
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UserID: userID,
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RepoID: repo.ID,
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Mode: ua.Mode,
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})
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}
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// Delete old accesses and insert new ones for repository.
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if _, err = e.Delete(&Access{RepoID: repo.ID}); err != nil {
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return fmt.Errorf("delete old accesses: %v", err)
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}
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if len(newAccesses) == 0 {
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return nil
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}
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if _, err = e.Insert(newAccesses); err != nil {
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return fmt.Errorf("insert new accesses: %v", err)
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}
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return nil
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}
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// refreshCollaboratorAccesses retrieves repository collaborations with their access modes.
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func (repo *Repository) refreshCollaboratorAccesses(e db.Engine, accessMap map[int64]*userAccess) error {
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collaborators, err := repo.getCollaborators(e, db.ListOptions{})
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if err != nil {
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return fmt.Errorf("getCollaborations: %v", err)
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}
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for _, c := range collaborators {
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if c.User.IsGhost() {
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continue
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}
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updateUserAccess(accessMap, c.User, c.Collaboration.Mode)
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}
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return nil
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}
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// recalculateTeamAccesses recalculates new accesses for teams of an organization
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// except the team whose ID is given. It is used to assign a team ID when
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// remove repository from that team.
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func (repo *Repository) recalculateTeamAccesses(e db.Engine, ignTeamID int64) (err error) {
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accessMap := make(map[int64]*userAccess, 20)
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if err = repo.getOwner(e); err != nil {
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return err
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} else if !repo.Owner.IsOrganization() {
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return fmt.Errorf("owner is not an organization: %d", repo.OwnerID)
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}
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if err = repo.refreshCollaboratorAccesses(e, accessMap); err != nil {
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return fmt.Errorf("refreshCollaboratorAccesses: %v", err)
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}
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teams, err := OrgFromUser(repo.Owner).loadTeams(e)
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if err != nil {
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return err
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}
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for _, t := range teams {
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if t.ID == ignTeamID {
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continue
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}
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// Owner team gets owner access, and skip for teams that do not
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// have relations with repository.
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if t.IsOwnerTeam() {
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t.Authorize = AccessModeOwner
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} else if !t.hasRepository(e, repo.ID) {
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continue
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}
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if err = t.getMembers(e); err != nil {
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return fmt.Errorf("getMembers '%d': %v", t.ID, err)
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}
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for _, m := range t.Members {
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updateUserAccess(accessMap, m, t.Authorize)
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}
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}
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return repo.refreshAccesses(e, accessMap)
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}
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// recalculateUserAccess recalculates new access for a single user
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// Usable if we know access only affected one user
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func (repo *Repository) recalculateUserAccess(e db.Engine, uid int64) (err error) {
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minMode := AccessModeRead
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if !repo.IsPrivate {
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minMode = AccessModeWrite
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}
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accessMode := AccessModeNone
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collaborator, err := repo.getCollaboration(e, uid)
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if err != nil {
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return err
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} else if collaborator != nil {
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accessMode = collaborator.Mode
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}
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if err = repo.getOwner(e); err != nil {
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return err
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} else if repo.Owner.IsOrganization() {
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var teams []Team
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if err := e.Join("INNER", "team_repo", "team_repo.team_id = team.id").
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Join("INNER", "team_user", "team_user.team_id = team.id").
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Where("team.org_id = ?", repo.OwnerID).
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And("team_repo.repo_id=?", repo.ID).
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And("team_user.uid=?", uid).
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Find(&teams); err != nil {
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return err
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}
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for _, t := range teams {
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if t.IsOwnerTeam() {
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t.Authorize = AccessModeOwner
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}
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accessMode = maxAccessMode(accessMode, t.Authorize)
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}
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}
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// Delete old user accesses and insert new one for repository.
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if _, err = e.Delete(&Access{RepoID: repo.ID, UserID: uid}); err != nil {
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return fmt.Errorf("delete old user accesses: %v", err)
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} else if accessMode >= minMode {
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if _, err = e.Insert(&Access{RepoID: repo.ID, UserID: uid, Mode: accessMode}); err != nil {
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return fmt.Errorf("insert new user accesses: %v", err)
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}
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}
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return nil
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}
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func (repo *Repository) recalculateAccesses(e db.Engine) error {
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if repo.Owner.IsOrganization() {
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return repo.recalculateTeamAccesses(e, 0)
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}
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accessMap := make(map[int64]*userAccess, 20)
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if err := repo.refreshCollaboratorAccesses(e, accessMap); err != nil {
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return fmt.Errorf("refreshCollaboratorAccesses: %v", err)
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}
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return repo.refreshAccesses(e, accessMap)
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}
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// RecalculateAccesses recalculates all accesses for repository.
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func (repo *Repository) RecalculateAccesses() error {
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return repo.recalculateAccesses(db.GetEngine(db.DefaultContext))
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}
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