Add user blocking (#29028)

Fixes #17453 This PR adds the abbility to block a user from a personal account or organization to restrict how the blocked user can interact with the blocker. The docs explain what's the consequence of blocking a user. Screenshots: ![grafik](https://github.com/go-gitea/gitea/assets/1666336/4ed884f3-e06a-4862-afd3-3b8aa2488dc6) ![grafik](https://github.com/go-gitea/gitea/assets/1666336/ae6d4981-f252-4f50-a429-04f0f9f1cdf1) ![grafik](https://github.com/go-gitea/gitea/assets/1666336/ca153599-5b0f-4b4a-90fe-18bdfd6f0b6b) --------- Co-authored-by: Lauris BH <lauris@nix.lv>
2025-06-18 02:38:26 +08:00 · 2024-03-04 09:16:03 +01:00
parent 8e12ba34ba
commit c337ff0ec7
109 changed files with 2878 additions and 548 deletions
--- a/services/user/block.go
+++ b/services/user/block.go
@ -0,0 +1,308 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"context"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	org_model "code.gitea.io/gitea/models/organization"
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	repo_service "code.gitea.io/gitea/services/repository"
+)
+
+func CanBlockUser(ctx context.Context, doer, blocker, blockee *user_model.User) bool {
+	if blocker.ID == blockee.ID {
+		return false
+	}
+	if doer.ID == blockee.ID {
+		return false
+	}
+
+	if blockee.IsOrganization() {
+		return false
+	}
+
+	if user_model.IsUserBlockedBy(ctx, blockee, blocker.ID) {
+		return false
+	}
+
+	if blocker.IsOrganization() {
+		org := org_model.OrgFromUser(blocker)
+		if isMember, _ := org.IsOrgMember(ctx, blockee.ID); isMember {
+			return false
+		}
+		if isAdmin, _ := org.IsOwnedBy(ctx, doer.ID); !isAdmin && !doer.IsAdmin {
+			return false
+		}
+	} else if !doer.IsAdmin && doer.ID != blocker.ID {
+		return false
+	}
+
+	return true
+}
+
+func CanUnblockUser(ctx context.Context, doer, blocker, blockee *user_model.User) bool {
+	if doer.ID == blockee.ID {
+		return false
+	}
+
+	if !user_model.IsUserBlockedBy(ctx, blockee, blocker.ID) {
+		return false
+	}
+
+	if blocker.IsOrganization() {
+		org := org_model.OrgFromUser(blocker)
+		if isAdmin, _ := org.IsOwnedBy(ctx, doer.ID); !isAdmin && !doer.IsAdmin {
+			return false
+		}
+	} else if !doer.IsAdmin && doer.ID != blocker.ID {
+		return false
+	}
+
+	return true
+}
+
+func BlockUser(ctx context.Context, doer, blocker, blockee *user_model.User, note string) error {
+	if blockee.IsOrganization() {
+		return user_model.ErrBlockOrganization
+	}
+
+	if !CanBlockUser(ctx, doer, blocker, blockee) {
+		return user_model.ErrCanNotBlock
+	}
+
+	return db.WithTx(ctx, func(ctx context.Context) error {
+		// unfollow each other
+		if err := user_model.UnfollowUser(ctx, blocker.ID, blockee.ID); err != nil {
+			return err
+		}
+		if err := user_model.UnfollowUser(ctx, blockee.ID, blocker.ID); err != nil {
+			return err
+		}
+
+		// unstar each other
+		if err := unstarRepos(ctx, blocker, blockee); err != nil {
+			return err
+		}
+		if err := unstarRepos(ctx, blockee, blocker); err != nil {
+			return err
+		}
+
+		// unwatch each others repositories
+		if err := unwatchRepos(ctx, blocker, blockee); err != nil {
+			return err
+		}
+		if err := unwatchRepos(ctx, blockee, blocker); err != nil {
+			return err
+		}
+
+		// unassign each other from issues
+		if err := unassignIssues(ctx, blocker, blockee); err != nil {
+			return err
+		}
+		if err := unassignIssues(ctx, blockee, blocker); err != nil {
+			return err
+		}
+
+		// remove each other from repository collaborations
+		if err := removeCollaborations(ctx, blocker, blockee); err != nil {
+			return err
+		}
+		if err := removeCollaborations(ctx, blockee, blocker); err != nil {
+			return err
+		}
+
+		// cancel each other repository transfers
+		if err := cancelRepositoryTransfers(ctx, blocker, blockee); err != nil {
+			return err
+		}
+		if err := cancelRepositoryTransfers(ctx, blockee, blocker); err != nil {
+			return err
+		}
+
+		return db.Insert(ctx, &user_model.Blocking{
+			BlockerID: blocker.ID,
+			BlockeeID: blockee.ID,
+			Note:      note,
+		})
+	})
+}
+
+func unstarRepos(ctx context.Context, starrer, repoOwner *user_model.User) error {
+	opts := &repo_model.StarredReposOptions{
+		ListOptions: db.ListOptions{
+			Page:     1,
+			PageSize: 25,
+		},
+		StarrerID:   starrer.ID,
+		RepoOwnerID: repoOwner.ID,
+	}
+
+	for {
+		repos, err := repo_model.GetStarredRepos(ctx, opts)
+		if err != nil {
+			return err
+		}
+
+		if len(repos) == 0 {
+			return nil
+		}
+
+		for _, repo := range repos {
+			if err := repo_model.StarRepo(ctx, starrer, repo, false); err != nil {
+				return err
+			}
+		}
+
+		opts.Page++
+	}
+}
+
+func unwatchRepos(ctx context.Context, watcher, repoOwner *user_model.User) error {
+	opts := &repo_model.WatchedReposOptions{
+		ListOptions: db.ListOptions{
+			Page:     1,
+			PageSize: 25,
+		},
+		WatcherID:   watcher.ID,
+		RepoOwnerID: repoOwner.ID,
+	}
+
+	for {
+		repos, _, err := repo_model.GetWatchedRepos(ctx, opts)
+		if err != nil {
+			return err
+		}
+
+		if len(repos) == 0 {
+			return nil
+		}
+
+		for _, repo := range repos {
+			if err := repo_model.WatchRepo(ctx, watcher, repo, false); err != nil {
+				return err
+			}
+		}
+
+		opts.Page++
+	}
+}
+
+func cancelRepositoryTransfers(ctx context.Context, sender, recipient *user_model.User) error {
+	transfers, err := models.GetPendingRepositoryTransfers(ctx, &models.PendingRepositoryTransferOptions{
+		SenderID:    sender.ID,
+		RecipientID: recipient.ID,
+	})
+	if err != nil {
+		return err
+	}
+
+	for _, transfer := range transfers {
+		repo, err := repo_model.GetRepositoryByID(ctx, transfer.RepoID)
+		if err != nil {
+			return err
+		}
+
+		if err := repo_service.CancelRepositoryTransfer(ctx, repo); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func unassignIssues(ctx context.Context, assignee, repoOwner *user_model.User) error {
+	opts := &issues_model.AssignedIssuesOptions{
+		ListOptions: db.ListOptions{
+			Page:     1,
+			PageSize: 25,
+		},
+		AssigneeID:  assignee.ID,
+		RepoOwnerID: repoOwner.ID,
+	}
+
+	for {
+		issues, _, err := issues_model.GetAssignedIssues(ctx, opts)
+		if err != nil {
+			return err
+		}
+
+		if len(issues) == 0 {
+			return nil
+		}
+
+		for _, issue := range issues {
+			if err := issue.LoadAssignees(ctx); err != nil {
+				return err
+			}
+
+			if _, _, err := issues_model.ToggleIssueAssignee(ctx, issue, assignee, assignee.ID); err != nil {
+				return err
+			}
+		}
+
+		opts.Page++
+	}
+}
+
+func removeCollaborations(ctx context.Context, repoOwner, collaborator *user_model.User) error {
+	opts := &repo_model.FindCollaborationOptions{
+		ListOptions: db.ListOptions{
+			Page:     1,
+			PageSize: 25,
+		},
+		CollaboratorID: collaborator.ID,
+		RepoOwnerID:    repoOwner.ID,
+	}
+
+	for {
+		collaborations, _, err := repo_model.GetCollaborators(ctx, opts)
+		if err != nil {
+			return err
+		}
+
+		if len(collaborations) == 0 {
+			return nil
+		}
+
+		for _, collaboration := range collaborations {
+			repo, err := repo_model.GetRepositoryByID(ctx, collaboration.Collaboration.RepoID)
+			if err != nil {
+				return err
+			}
+
+			if err := repo_service.DeleteCollaboration(ctx, repo, collaborator); err != nil {
+				return err
+			}
+		}
+
+		opts.Page++
+	}
+}
+
+func UnblockUser(ctx context.Context, doer, blocker, blockee *user_model.User) error {
+	if blockee.IsOrganization() {
+		return user_model.ErrBlockOrganization
+	}
+
+	if !CanUnblockUser(ctx, doer, blocker, blockee) {
+		return user_model.ErrCanNotUnblock
+	}
+
+	return db.WithTx(ctx, func(ctx context.Context) error {
+		block, err := user_model.GetBlocking(ctx, blocker.ID, blockee.ID)
+		if err != nil {
+			return err
+		}
+		if block != nil {
+			_, err = db.DeleteByID[user_model.Blocking](ctx, block.ID)
+			return err
+		}
+		return nil
+	})
+}