Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

1 files changed, 1147 insertions, 0 deletions

diff --git a/tests/integration/quota_use_test.go b/tests/integration/quota_use_test.go
new file mode 100644
index 0000000..39c5c1a
--- /dev/null
+++ b/tests/integration/quota_use_test.go
@@ -0,0 +1,1147 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/models/db"
+	org_model "code.gitea.io/gitea/models/organization"
+	quota_model "code.gitea.io/gitea/models/quota"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/setting"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/modules/test"
+	"code.gitea.io/gitea/routers"
+	forgejo_context "code.gitea.io/gitea/services/context"
+	repo_service "code.gitea.io/gitea/services/repository"
+	"code.gitea.io/gitea/tests"
+
+	gouuid "github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestWebQuotaEnforcementRepoMigrate(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		env.RunVisitAndPostToPageTests(t, "/repo/migrate", &Payload{
+			"repo_name":  "migration-test",
+			"clone_addr": env.Users.Limited.Repo.Link() + ".git",
+			"service":    fmt.Sprintf("%d", api.ForgejoService),
+		}, http.StatusOK)
+	})
+}
+
+func TestWebQuotaEnforcementRepoCreate(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		env.RunVisitAndPostToPageTests(t, "/repo/create", nil, http.StatusOK)
+	})
+}
+
+func TestWebQuotaEnforcementRepoFork(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		page := fmt.Sprintf("%s/fork", env.Users.Limited.Repo.Link())
+		env.RunVisitAndPostToPageTests(t, page, &Payload{
+			"repo_name": "fork-test",
+		}, http.StatusSeeOther)
+	})
+}
+
+func TestWebQuotaEnforcementIssueAttachment(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		// Uploading to our repo => 413
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Users.Limited.Repo}).
+			CreateIssueAttachment("test.txt").
+			ExpectStatus(http.StatusRequestEntityTooLarge)
+
+		// Uploading to the limited org repo => 413
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Orgs.Limited.Repo}).
+			CreateIssueAttachment("test.txt").
+			ExpectStatus(http.StatusRequestEntityTooLarge)
+
+		// Uploading to the unlimited org repo => 200
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Orgs.Unlimited.Repo}).
+			CreateIssueAttachment("test.txt").
+			ExpectStatus(http.StatusOK)
+	})
+}
+
+func TestWebQuotaEnforcementMirrorSync(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		var mirrorRepo *repo_model.Repository
+
+		env.As(t, env.Users.Limited).
+			WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+				mirrorRepo = ctx.CreateMirror()
+			}).
+			With(Context{
+				Repo:    mirrorRepo,
+				Payload: &Payload{"action": "mirror-sync"},
+			}).
+			PostToPage(mirrorRepo.Link() + "/settings").
+			ExpectStatus(http.StatusOK).
+			ExpectFlashMessage("Quota exceeded, not pulling changes.")
+	})
+}
+
+func TestWebQuotaEnforcementRepoContentEditing(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		// We're only going to test the GET requests here, because the entire combo
+		// is covered by a route check.
+
+		// Lets create a helper!
+		runCheck := func(t *testing.T, path string, successStatus int) {
+			t.Run("#"+path, func(t *testing.T) {
+				defer tests.PrintCurrentTest(t)()
+
+				// Uploading to a limited user's repo => 413
+				env.As(t, env.Users.Limited).
+					VisitPage(env.Users.Limited.Repo.Link() + path).
+					ExpectStatus(http.StatusRequestEntityTooLarge)
+
+				// Limited org => 413
+				env.As(t, env.Users.Limited).
+					VisitPage(env.Orgs.Limited.Repo.Link() + path).
+					ExpectStatus(http.StatusRequestEntityTooLarge)
+
+				// Unlimited org => 200
+				env.As(t, env.Users.Limited).
+					VisitPage(env.Orgs.Unlimited.Repo.Link() + path).
+					ExpectStatus(successStatus)
+			})
+		}
+
+		paths := []string{
+			"/_new/main",
+			"/_edit/main/README.md",
+			"/_delete/main",
+			"/_upload/main",
+			"/_diffpatch/main",
+		}
+
+		for _, path := range paths {
+			runCheck(t, path, http.StatusOK)
+		}
+
+		// Run another check for `_cherrypick`. It's cumbersome to dig out a valid
+		// commit id, so we'll use a fake, and treat 404 as a success: it's not 413,
+		// and that's all we care about for this test.
+		runCheck(t, "/_cherrypick/92cfceb39d57d914ed8b14d0e37643de0797ae56/main", http.StatusNotFound)
+	})
+}
+
+func TestWebQuotaEnforcementRepoBranches(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		t.Run("create", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			runTest := func(t *testing.T, path string) {
+				t.Run("#"+path, func(t *testing.T) {
+					defer tests.PrintCurrentTest(t)()
+
+					env.As(t, env.Users.Limited).
+						With(Context{Payload: &Payload{"new_branch_name": "quota"}}).
+						PostToRepoPage("/branches/_new" + path).
+						ExpectStatus(http.StatusRequestEntityTooLarge)
+
+					env.As(t, env.Users.Limited).
+						With(Context{
+							Payload: &Payload{"new_branch_name": "quota"},
+							Repo:    env.Orgs.Limited.Repo,
+						}).
+						PostToRepoPage("/branches/_new" + path).
+						ExpectStatus(http.StatusRequestEntityTooLarge)
+
+					env.As(t, env.Users.Limited).
+						With(Context{
+							Payload: &Payload{"new_branch_name": "quota"},
+							Repo:    env.Orgs.Unlimited.Repo,
+						}).
+						PostToRepoPage("/branches/_new" + path).
+						ExpectStatus(http.StatusNotFound)
+				})
+			}
+
+			// We're testing the first two against things that don't exist, so that
+			// all three consistently return 404 if no quota enforcement happens.
+			runTest(t, "/branch/no-such-branch")
+			runTest(t, "/tag/no-such-tag")
+			runTest(t, "/commit/92cfceb39d57d914ed8b14d0e37643de0797ae56")
+		})
+
+		t.Run("delete & restore", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			env.As(t, env.Users.Limited).
+				WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+					ctx.With(Context{Payload: &Payload{"new_branch_name": "to-delete"}}).
+						PostToRepoPage("/branches/_new/branch/main").
+						ExpectStatus(http.StatusSeeOther)
+				})
+
+			env.As(t, env.Users.Limited).
+				PostToRepoPage("/branches/delete?name=to-delete").
+				ExpectStatus(http.StatusOK)
+
+			env.As(t, env.Users.Limited).
+				PostToRepoPage("/branches/restore?name=to-delete").
+				ExpectStatus(http.StatusOK)
+		})
+	})
+}
+
+func TestWebQuotaEnforcementRepoReleases(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		env.RunVisitAndPostToRepoPageTests(t, "/releases/new", &Payload{
+			"tag_name":   "quota",
+			"tag_target": "main",
+			"title":      "test release",
+		}, http.StatusSeeOther)
+
+		t.Run("attachments", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Uploading to our repo => 413
+			env.As(t, env.Users.Limited).
+				With(Context{Repo: env.Users.Limited.Repo}).
+				CreateReleaseAttachment("test.txt").
+				ExpectStatus(http.StatusRequestEntityTooLarge)
+
+			// Uploading to the limited org repo => 413
+			env.As(t, env.Users.Limited).
+				With(Context{Repo: env.Orgs.Limited.Repo}).
+				CreateReleaseAttachment("test.txt").
+				ExpectStatus(http.StatusRequestEntityTooLarge)
+
+			// Uploading to the unlimited org repo => 200
+			env.As(t, env.Users.Limited).
+				With(Context{Repo: env.Orgs.Unlimited.Repo}).
+				CreateReleaseAttachment("test.txt").
+				ExpectStatus(http.StatusOK)
+		})
+	})
+}
+
+func TestWebQuotaEnforcementRepoPulls(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		// To create a pull request, we first fork the two limited repos into the
+		// unlimited org.
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Users.Limited.Repo}).
+			ForkRepoInto(env.Orgs.Unlimited)
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Orgs.Limited.Repo}).
+			ForkRepoInto(env.Orgs.Unlimited)
+
+		// Then, create pull requests from the forks, back to the main repos
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Users.Limited.Repo}).
+			CreatePullFrom(env.Orgs.Unlimited)
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Orgs.Limited.Repo}).
+			CreatePullFrom(env.Orgs.Unlimited)
+
+		// Trying to merge the pull request will fail for both, though, due to being
+		// over quota.
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Users.Limited.Repo}).
+			With(Context{Payload: &Payload{"do": "merge"}}).
+			PostToRepoPage("/pulls/1/merge").
+			ExpectStatus(http.StatusRequestEntityTooLarge)
+
+		env.As(t, env.Users.Limited).
+			With(Context{Repo: env.Orgs.Limited.Repo}).
+			With(Context{Payload: &Payload{"do": "merge"}}).
+			PostToRepoPage("/pulls/1/merge").
+			ExpectStatus(http.StatusRequestEntityTooLarge)
+	})
+}
+
+func TestWebQuotaEnforcementRepoTransfer(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		t.Run("direct transfer", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Trying to transfer the repository to a limited organization fails.
+			env.As(t, env.Users.Limited).
+				With(Context{Repo: env.Users.Limited.Repo}).
+				With(Context{Payload: &Payload{
+					"action":         "transfer",
+					"repo_name":      env.Users.Limited.Repo.FullName(),
+					"new_owner_name": env.Orgs.Limited.Org.Name,
+				}}).
+				PostToRepoPage("/settings").
+				ExpectStatus(http.StatusOK).
+				ExpectFlashMessageContains("over quota", "The repository has not been transferred")
+
+			// Trying to transfer to a different, also limited user, also fails.
+			env.As(t, env.Users.Limited).
+				With(Context{Repo: env.Users.Limited.Repo}).
+				With(Context{Payload: &Payload{
+					"action":         "transfer",
+					"repo_name":      env.Users.Limited.Repo.FullName(),
+					"new_owner_name": env.Users.Contributor.User.Name,
+				}}).
+				PostToRepoPage("/settings").
+				ExpectStatus(http.StatusOK).
+				ExpectFlashMessageContains("over quota", "The repository has not been transferred")
+		})
+
+		t.Run("accept & reject", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Trying to transfer to a different user, with quota lifted, starts the transfer
+			env.As(t, env.Users.Contributor).
+				WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+					env.As(ctx.t, env.Users.Limited).
+						With(Context{Repo: env.Users.Limited.Repo}).
+						With(Context{Payload: &Payload{
+							"action":         "transfer",
+							"repo_name":      env.Users.Limited.Repo.FullName(),
+							"new_owner_name": env.Users.Contributor.User.Name,
+						}}).
+						PostToRepoPage("/settings").
+						ExpectStatus(http.StatusSeeOther).
+						ExpectFlashCookieContains("This repository has been marked for transfer and awaits confirmation")
+				})
+
+			// Trying to accept the transfer, with quota in effect, fails
+			env.As(t, env.Users.Contributor).
+				With(Context{Repo: env.Users.Limited.Repo}).
+				PostToRepoPage("/action/accept_transfer").
+				ExpectStatus(http.StatusRequestEntityTooLarge)
+
+			// Rejecting the transfer, however, succeeds.
+			env.As(t, env.Users.Contributor).
+				With(Context{Repo: env.Users.Limited.Repo}).
+				PostToRepoPage("/action/reject_transfer").
+				ExpectStatus(http.StatusSeeOther)
+		})
+	})
+}
+
+func TestGitQuotaEnforcement(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		// Lets create a little helper that runs a task for three of our repos: the
+		// user's repo, the limited org repo, and the unlimited org's.
+		//
+		// We expect the last one to always work, and the expected status of the
+		// other two is decided by the caller.
+		runTestForAllRepos := func(t *testing.T, task func(t *testing.T, repo *repo_model.Repository) error, expectSuccess bool) {
+			t.Helper()
+
+			err := task(t, env.Users.Limited.Repo)
+			if expectSuccess {
+				require.NoError(t, err)
+			} else {
+				require.Error(t, err)
+			}
+
+			err = task(t, env.Orgs.Limited.Repo)
+			if expectSuccess {
+				require.NoError(t, err)
+			} else {
+				require.Error(t, err)
+			}
+
+			err = task(t, env.Orgs.Unlimited.Repo)
+			require.NoError(t, err)
+		}
+
+		// Run tests with quotas disabled
+		runTestForAllReposWithQuotaDisabled := func(t *testing.T, task func(t *testing.T, repo *repo_model.Repository) error) {
+			t.Helper()
+
+			t.Run("with quota disabled", func(t *testing.T) {
+				defer tests.PrintCurrentTest(t)()
+				defer test.MockVariableValue(&setting.Quota.Enabled, false)()
+				defer test.MockVariableValue(&testWebRoutes, routers.NormalRoutes())()
+
+				runTestForAllRepos(t, task, true)
+			})
+		}
+
+		t.Run("push branch", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Pushing a new branch is denied if the user is over quota.
+			runTestForAllRepos(t, func(t *testing.T, repo *repo_model.Repository) error {
+				return env.As(t, env.Users.Limited).
+					With(Context{Repo: repo}).
+					LocalClone(u).
+					Push("HEAD:new-branch")
+			}, false)
+
+			// Pushing a new branch is always allowed if quota is disabled
+			runTestForAllReposWithQuotaDisabled(t, func(t *testing.T, repo *repo_model.Repository) error {
+				return env.As(t, env.Users.Limited).
+					With(Context{Repo: repo}).
+					LocalClone(u).
+					Push("HEAD:new-branch-wo-quota")
+			})
+		})
+
+		t.Run("push tag", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Pushing a tag is denied if the user is over quota.
+			runTestForAllRepos(t, func(t *testing.T, repo *repo_model.Repository) error {
+				return env.As(t, env.Users.Limited).
+					With(Context{Repo: repo}).
+					LocalClone(u).
+					Tag("new-tag").
+					Push("new-tag")
+			}, false)
+
+			// ...but succeeds if the quota feature is disabled
+			runTestForAllReposWithQuotaDisabled(t, func(t *testing.T, repo *repo_model.Repository) error {
+				return env.As(t, env.Users.Limited).
+					With(Context{Repo: repo}).
+					LocalClone(u).
+					Tag("new-tag-wo-quota").
+					Push("new-tag-wo-quota")
+			})
+		})
+
+		t.Run("Agit PR", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Opening an Agit PR is *always* accepted. At least for now.
+			runTestForAllRepos(t, func(t *testing.T, repo *repo_model.Repository) error {
+				return env.As(t, env.Users.Limited).
+					With(Context{Repo: repo}).
+					LocalClone(u).
+					Push("HEAD:refs/for/main/agit-pr-branch")
+			}, true)
+		})
+
+		t.Run("delete branch", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Deleting a branch is respected, and allowed.
+			err := env.As(t, env.Users.Limited).
+				WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+					err := ctx.
+						LocalClone(u).
+						Push("HEAD:branch-to-delete")
+					require.NoError(ctx.t, err)
+				}).
+				Push(":branch-to-delete")
+			require.NoError(t, err)
+		})
+
+		t.Run("delete tag", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			// Deleting a tag is always allowed.
+			err := env.As(t, env.Users.Limited).
+				WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+					err := ctx.
+						LocalClone(u).
+						Tag("tag-to-delete").
+						Push("tag-to-delete")
+					require.NoError(ctx.t, err)
+				}).
+				Push(":tag-to-delete")
+			require.NoError(t, err)
+		})
+
+		t.Run("mixed push", func(t *testing.T) {
+			t.Run("all deletes", func(t *testing.T) {
+				defer tests.PrintCurrentTest(t)()
+
+				// Pushing multiple deletes is allowed.
+				err := env.As(t, env.Users.Limited).
+					WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+						err := ctx.
+							LocalClone(u).
+							Tag("mixed-push-tag").
+							Push("mixed-push-tag", "HEAD:mixed-push-branch")
+						require.NoError(ctx.t, err)
+					}).
+					Push(":mixed-push-tag", ":mixed-push-branch")
+				require.NoError(t, err)
+			})
+
+			t.Run("new & delete", func(t *testing.T) {
+				defer tests.PrintCurrentTest(t)()
+
+				// Pushing a mix of deletions & a new branch is rejected together.
+				err := env.As(t, env.Users.Limited).
+					WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+						err := ctx.
+							LocalClone(u).
+							Tag("mixed-push-tag").
+							Push("mixed-push-tag", "HEAD:mixed-push-branch")
+						require.NoError(ctx.t, err)
+					}).
+					Push(":mixed-push-tag", ":mixed-push-branch", "HEAD:mixed-push-branch-new")
+				require.Error(t, err)
+
+				// ...unless quota is disabled
+				t.Run("with quota disabled", func(t *testing.T) {
+					defer tests.PrintCurrentTest(t)()
+					defer test.MockVariableValue(&setting.Quota.Enabled, false)()
+					defer test.MockVariableValue(&testWebRoutes, routers.NormalRoutes())()
+
+					err := env.As(t, env.Users.Limited).
+						WithoutQuota(func(ctx *quotaWebEnvAsContext) {
+							err := ctx.
+								LocalClone(u).
+								Tag("mixed-push-tag-2").
+								Push("mixed-push-tag-2", "HEAD:mixed-push-branch-2")
+							require.NoError(ctx.t, err)
+						}).
+						Push(":mixed-push-tag-2", ":mixed-push-branch-2", "HEAD:mixed-push-branch-new-2")
+					require.NoError(t, err)
+				})
+			})
+		})
+	})
+}
+
+func TestQuotaConfigDefault(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		env := createQuotaWebEnv(t)
+		defer env.Cleanup()
+
+		t.Run("with config-based default", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+			defer test.MockVariableValue(&setting.Quota.Default.Total, 0)()
+
+			env.As(t, env.Users.Ungrouped).
+				With(Context{
+					Payload: &Payload{
+						"uid":       env.Users.Ungrouped.ID().AsString(),
+						"repo_name": "quota-config-default",
+					},
+				}).
+				PostToPage("/repo/create").
+				ExpectStatus(http.StatusRequestEntityTooLarge)
+		})
+
+		t.Run("without config-based default", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			env.As(t, env.Users.Ungrouped).
+				With(Context{
+					Payload: &Payload{
+						"uid":       env.Users.Ungrouped.ID().AsString(),
+						"repo_name": "quota-config-default",
+					},
+				}).
+				PostToPage("/repo/create").
+				ExpectStatus(http.StatusSeeOther)
+		})
+	})
+}
+
+/**********************
+ * Here be dragons!   *
+ *                    *
+ *      .             *
+ *  .>   )\;`a__      *
+ * (  _ _)/ /-." ~~   *
+ *  `( )_ )/          *
+ *  <_  <_ sb/dwb     *
+ **********************/
+
+type quotaWebEnv struct {
+	Users quotaWebEnvUsers
+	Orgs  quotaWebEnvOrgs
+
+	cleaners []func()
+}
+
+type quotaWebEnvUsers struct {
+	Limited     quotaWebEnvUser
+	Contributor quotaWebEnvUser
+	Ungrouped   quotaWebEnvUser
+}
+
+type quotaWebEnvOrgs struct {
+	Limited   quotaWebEnvOrg
+	Unlimited quotaWebEnvOrg
+}
+
+type quotaWebEnvOrg struct {
+	Org *org_model.Organization
+
+	Repo *repo_model.Repository
+
+	QuotaGroup *quota_model.Group
+	QuotaRule  *quota_model.Rule
+}
+
+type quotaWebEnvUser struct {
+	User    *user_model.User
+	Session *TestSession
+	Repo    *repo_model.Repository
+
+	QuotaGroup *quota_model.Group
+	QuotaRule  *quota_model.Rule
+}
+
+type Payload map[string]string
+
+type quotaWebEnvAsContext struct {
+	t *testing.T
+
+	Doer *quotaWebEnvUser
+	Repo *repo_model.Repository
+
+	Payload Payload
+
+	CSRFPath *string
+
+	gitPath string
+
+	request  *RequestWrapper
+	response *httptest.ResponseRecorder
+}
+
+type Context struct {
+	Repo     *repo_model.Repository
+	Payload  *Payload
+	CSRFPath *string
+}
+
+func (ctx *quotaWebEnvAsContext) With(opts Context) *quotaWebEnvAsContext {
+	if opts.Repo != nil {
+		ctx.Repo = opts.Repo
+	}
+	if opts.Payload != nil {
+		for key, value := range *opts.Payload {
+			ctx.Payload[key] = value
+		}
+	}
+	if opts.CSRFPath != nil {
+		ctx.CSRFPath = opts.CSRFPath
+	}
+	return ctx
+}
+
+func (ctx *quotaWebEnvAsContext) VisitPage(page string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	ctx.request = NewRequest(ctx.t, "GET", page)
+
+	return ctx
+}
+
+func (ctx *quotaWebEnvAsContext) VisitRepoPage(page string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	return ctx.VisitPage(ctx.Repo.Link() + page)
+}
+
+func (ctx *quotaWebEnvAsContext) ExpectStatus(status int) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	ctx.response = ctx.Doer.Session.MakeRequest(ctx.t, ctx.request, status)
+
+	return ctx
+}
+
+func (ctx *quotaWebEnvAsContext) ExpectFlashMessage(value string) {
+	ctx.t.Helper()
+
+	htmlDoc := NewHTMLParser(ctx.t, ctx.response.Body)
+	flashMessage := strings.TrimSpace(htmlDoc.Find(`.flash-message`).Text())
+
+	assert.EqualValues(ctx.t, value, flashMessage)
+}
+
+func (ctx *quotaWebEnvAsContext) ExpectFlashMessageContains(parts ...string) {
+	ctx.t.Helper()
+
+	htmlDoc := NewHTMLParser(ctx.t, ctx.response.Body)
+	flashMessage := strings.TrimSpace(htmlDoc.Find(`.flash-message`).Text())
+
+	for _, part := range parts {
+		assert.Contains(ctx.t, flashMessage, part)
+	}
+}
+
+func (ctx *quotaWebEnvAsContext) ExpectFlashCookieContains(parts ...string) {
+	ctx.t.Helper()
+
+	flashCookie := ctx.Doer.Session.GetCookie(forgejo_context.CookieNameFlash)
+	assert.NotNil(ctx.t, flashCookie)
+
+	// Need to decode the cookie twice
+	flashValue, err := url.QueryUnescape(flashCookie.Value)
+	require.NoError(ctx.t, err)
+	flashValue, err = url.QueryUnescape(flashValue)
+	require.NoError(ctx.t, err)
+
+	for _, part := range parts {
+		assert.Contains(ctx.t, flashValue, part)
+	}
+}
+
+func (ctx *quotaWebEnvAsContext) ForkRepoInto(org quotaWebEnvOrg) {
+	ctx.t.Helper()
+
+	ctx.
+		With(Context{Payload: &Payload{
+			"uid":       org.ID().AsString(),
+			"repo_name": ctx.Repo.Name + "-fork",
+		}}).
+		PostToRepoPage("/fork").
+		ExpectStatus(http.StatusSeeOther)
+}
+
+func (ctx *quotaWebEnvAsContext) CreatePullFrom(org quotaWebEnvOrg) {
+	ctx.t.Helper()
+
+	url := fmt.Sprintf("/compare/main...%s:main", org.Org.Name)
+	ctx.
+		With(Context{Payload: &Payload{
+			"title": "PR test",
+		}}).
+		PostToRepoPage(url).
+		ExpectStatus(http.StatusOK)
+}
+
+func (ctx *quotaWebEnvAsContext) PostToPage(page string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	payload := ctx.Payload
+	csrfPath := page
+	if ctx.CSRFPath != nil {
+		csrfPath = *ctx.CSRFPath
+	}
+
+	payload["_csrf"] = GetCSRF(ctx.t, ctx.Doer.Session, csrfPath)
+
+	ctx.request = NewRequestWithValues(ctx.t, "POST", page, payload)
+
+	return ctx
+}
+
+func (ctx *quotaWebEnvAsContext) PostToRepoPage(page string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	csrfPath := ctx.Repo.Link()
+	return ctx.With(Context{CSRFPath: &csrfPath}).PostToPage(ctx.Repo.Link() + page)
+}
+
+func (ctx *quotaWebEnvAsContext) CreateAttachment(filename, attachmentType string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	body := &bytes.Buffer{}
+	image := generateImg()
+
+	// Setup multi-part
+	writer := multipart.NewWriter(body)
+	part, err := writer.CreateFormFile("file", filename)
+	require.NoError(ctx.t, err)
+	_, err = io.Copy(part, &image)
+	require.NoError(ctx.t, err)
+	err = writer.Close()
+	require.NoError(ctx.t, err)
+
+	csrf := GetCSRF(ctx.t, ctx.Doer.Session, ctx.Repo.Link())
+
+	ctx.request = NewRequestWithBody(ctx.t, "POST", fmt.Sprintf("%s/%s/attachments", ctx.Repo.Link(), attachmentType), body)
+	ctx.request.Header.Add("X-Csrf-Token", csrf)
+	ctx.request.Header.Add("Content-Type", writer.FormDataContentType())
+
+	return ctx
+}
+
+func (ctx *quotaWebEnvAsContext) CreateIssueAttachment(filename string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	return ctx.CreateAttachment(filename, "issues")
+}
+
+func (ctx *quotaWebEnvAsContext) CreateReleaseAttachment(filename string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	return ctx.CreateAttachment(filename, "releases")
+}
+
+func (ctx *quotaWebEnvAsContext) WithoutQuota(task func(ctx *quotaWebEnvAsContext)) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	defer ctx.Doer.SetQuota(-1)()
+	task(ctx)
+
+	return ctx
+}
+
+func (ctx *quotaWebEnvAsContext) CreateMirror() *repo_model.Repository {
+	ctx.t.Helper()
+
+	doer := ctx.Doer.User
+
+	repo, err := repo_service.CreateRepositoryDirectly(db.DefaultContext, doer, doer, repo_service.CreateRepoOptions{
+		Name:     "test-mirror",
+		IsMirror: true,
+		Status:   repo_model.RepositoryBeingMigrated,
+	})
+	require.NoError(ctx.t, err)
+
+	return repo
+}
+
+func (ctx *quotaWebEnvAsContext) LocalClone(u *url.URL) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	gitPath := ctx.t.TempDir()
+
+	doGitInitTestRepository(gitPath, git.Sha1ObjectFormat)(ctx.t)
+
+	oldPath := u.Path
+	oldUser := u.User
+	defer func() {
+		u.Path = oldPath
+		u.User = oldUser
+	}()
+	u.Path = ctx.Repo.FullName() + ".git"
+	u.User = url.UserPassword(ctx.Doer.User.LowerName, userPassword)
+
+	doGitAddRemote(gitPath, "origin", u)(ctx.t)
+
+	ctx.gitPath = gitPath
+
+	return ctx
+}
+
+func (ctx *quotaWebEnvAsContext) Push(params ...string) error {
+	ctx.t.Helper()
+
+	gitRepo, err := git.OpenRepository(git.DefaultContext, ctx.gitPath)
+	require.NoError(ctx.t, err)
+	defer gitRepo.Close()
+
+	_, _, err = git.NewCommand(git.DefaultContext, "push", "origin").
+		AddArguments(git.ToTrustedCmdArgs(params)...).
+		RunStdString(&git.RunOpts{Dir: ctx.gitPath})
+
+	return err
+}
+
+func (ctx *quotaWebEnvAsContext) Tag(tagName string) *quotaWebEnvAsContext {
+	ctx.t.Helper()
+
+	gitRepo, err := git.OpenRepository(git.DefaultContext, ctx.gitPath)
+	require.NoError(ctx.t, err)
+	defer gitRepo.Close()
+
+	_, _, err = git.NewCommand(git.DefaultContext, "tag").
+		AddArguments(git.ToTrustedCmdArgs([]string{tagName})...).
+		RunStdString(&git.RunOpts{Dir: ctx.gitPath})
+	require.NoError(ctx.t, err)
+
+	return ctx
+}
+
+func (user *quotaWebEnvUser) SetQuota(limit int64) func() {
+	previousLimit := user.QuotaRule.Limit
+
+	user.QuotaRule.Limit = limit
+	user.QuotaRule.Edit(db.DefaultContext, &limit, nil)
+
+	return func() {
+		user.QuotaRule.Limit = previousLimit
+		user.QuotaRule.Edit(db.DefaultContext, &previousLimit, nil)
+	}
+}
+
+func (user *quotaWebEnvUser) ID() convertAs {
+	return convertAs{
+		asString: fmt.Sprintf("%d", user.User.ID),
+	}
+}
+
+func (org *quotaWebEnvOrg) ID() convertAs {
+	return convertAs{
+		asString: fmt.Sprintf("%d", org.Org.ID),
+	}
+}
+
+type convertAs struct {
+	asString string
+}
+
+func (cas convertAs) AsString() string {
+	return cas.asString
+}
+
+func (env *quotaWebEnv) Cleanup() {
+	for i := len(env.cleaners) - 1; i >= 0; i-- {
+		env.cleaners[i]()
+	}
+}
+
+func (env *quotaWebEnv) As(t *testing.T, user quotaWebEnvUser) *quotaWebEnvAsContext {
+	t.Helper()
+
+	ctx := quotaWebEnvAsContext{
+		t:    t,
+		Doer: &user,
+		Repo: user.Repo,
+
+		Payload: Payload{},
+	}
+	return &ctx
+}
+
+func (env *quotaWebEnv) RunVisitAndPostToRepoPageTests(t *testing.T, page string, payload *Payload, successStatus int) {
+	t.Helper()
+
+	// Visiting the user's repo page fails due to being over quota.
+	env.As(t, env.Users.Limited).
+		With(Context{Repo: env.Users.Limited.Repo}).
+		VisitRepoPage(page).
+		ExpectStatus(http.StatusRequestEntityTooLarge)
+
+	// Posting as the limited user, to the limited repo, fails due to being over
+	// quota.
+	csrfPath := env.Users.Limited.Repo.Link()
+	env.As(t, env.Users.Limited).
+		With(Context{
+			Payload:  payload,
+			CSRFPath: &csrfPath,
+			Repo:     env.Users.Limited.Repo,
+		}).
+		PostToRepoPage(page).
+		ExpectStatus(http.StatusRequestEntityTooLarge)
+
+	// Visiting the limited org's repo page fails due to being over quota.
+	env.As(t, env.Users.Limited).
+		With(Context{Repo: env.Orgs.Limited.Repo}).
+		VisitRepoPage(page).
+		ExpectStatus(http.StatusRequestEntityTooLarge)
+
+	// Posting as the limited user, to a limited org's repo, fails for the same
+	// reason.
+	csrfPath = env.Orgs.Limited.Repo.Link()
+	env.As(t, env.Users.Limited).
+		With(Context{
+			Payload:  payload,
+			CSRFPath: &csrfPath,
+			Repo:     env.Orgs.Limited.Repo,
+		}).
+		PostToRepoPage(page).
+		ExpectStatus(http.StatusRequestEntityTooLarge)
+
+	// Visiting the repo page for the unlimited org succeeds.
+	env.As(t, env.Users.Limited).
+		With(Context{Repo: env.Orgs.Unlimited.Repo}).
+		VisitRepoPage(page).
+		ExpectStatus(http.StatusOK)
+
+	// Posting as the limited user, to an unlimited org's repo, succeeds.
+	csrfPath = env.Orgs.Unlimited.Repo.Link()
+	env.As(t, env.Users.Limited).
+		With(Context{
+			Payload:  payload,
+			CSRFPath: &csrfPath,
+			Repo:     env.Orgs.Unlimited.Repo,
+		}).
+		PostToRepoPage(page).
+		ExpectStatus(successStatus)
+}
+
+func (env *quotaWebEnv) RunVisitAndPostToPageTests(t *testing.T, page string, payload *Payload, successStatus int) {
+	t.Helper()
+
+	// Visiting the page is always fine.
+	env.As(t, env.Users.Limited).
+		VisitPage(page).
+		ExpectStatus(http.StatusOK)
+
+	// Posting as the Limited user fails, because it is over quota.
+	env.As(t, env.Users.Limited).
+		With(Context{Payload: payload}).
+		With(Context{
+			Payload: &Payload{
+				"uid": env.Users.Limited.ID().AsString(),
+			},
+		}).
+		PostToPage(page).
+		ExpectStatus(http.StatusRequestEntityTooLarge)
+
+	// Posting to a limited org also fails, for the same reason.
+	env.As(t, env.Users.Limited).
+		With(Context{Payload: payload}).
+		With(Context{
+			Payload: &Payload{
+				"uid": env.Orgs.Limited.ID().AsString(),
+			},
+		}).
+		PostToPage(page).
+		ExpectStatus(http.StatusRequestEntityTooLarge)
+
+	// Posting to an unlimited repo works, however.
+	env.As(t, env.Users.Limited).
+		With(Context{Payload: payload}).
+		With(Context{
+			Payload: &Payload{
+				"uid": env.Orgs.Unlimited.ID().AsString(),
+			},
+		}).
+		PostToPage(page).
+		ExpectStatus(successStatus)
+}
+
+func createQuotaWebEnv(t *testing.T) *quotaWebEnv {
+	t.Helper()
+
+	// *** helpers ***
+
+	makeUngroupedUser := func(t *testing.T) quotaWebEnvUser {
+		t.Helper()
+
+		user := quotaWebEnvUser{}
+
+		// Create the user
+		userName := gouuid.NewString()
+		apiCreateUser(t, userName)
+		user.User = unittest.AssertExistsAndLoadBean(t, &user_model.User{Name: userName})
+		user.Session = loginUser(t, userName)
+
+		// Create a repository for the user
+		repo, _, _ := tests.CreateDeclarativeRepoWithOptions(t, user.User, tests.DeclarativeRepoOptions{})
+		user.Repo = repo
+
+		return user
+	}
+
+	// Create a user, its quota group & rule
+	makeUser := func(t *testing.T, limit int64) quotaWebEnvUser {
+		t.Helper()
+
+		user := makeUngroupedUser(t)
+		userName := user.User.Name
+
+		// Create a quota group for them
+		group, err := quota_model.CreateGroup(db.DefaultContext, userName)
+		require.NoError(t, err)
+		user.QuotaGroup = group
+
+		// Create a rule
+		rule, err := quota_model.CreateRule(db.DefaultContext, userName, limit, quota_model.LimitSubjects{quota_model.LimitSubjectSizeAll})
+		require.NoError(t, err)
+		user.QuotaRule = rule
+
+		// Add the rule to the group
+		err = group.AddRuleByName(db.DefaultContext, rule.Name)
+		require.NoError(t, err)
+
+		// Add the user to the group
+		err = group.AddUserByID(db.DefaultContext, user.User.ID)
+		require.NoError(t, err)
+
+		return user
+	}
+
+	// Create a user, its quota group & rule
+	makeOrg := func(t *testing.T, owner *user_model.User, limit int64) quotaWebEnvOrg {
+		t.Helper()
+
+		org := quotaWebEnvOrg{}
+
+		// Create the org
+		userName := gouuid.NewString()
+		org.Org = &org_model.Organization{
+			Name: userName,
+		}
+		err := org_model.CreateOrganization(db.DefaultContext, org.Org, owner)
+		require.NoError(t, err)
+
+		// Create a repository for the org
+		orgUser := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: org.Org.ID})
+		repo, _, _ := tests.CreateDeclarativeRepoWithOptions(t, orgUser, tests.DeclarativeRepoOptions{})
+		org.Repo = repo
+
+		// Create a quota group for them
+		group, err := quota_model.CreateGroup(db.DefaultContext, userName)
+		require.NoError(t, err)
+		org.QuotaGroup = group
+
+		// Create a rule
+		rule, err := quota_model.CreateRule(db.DefaultContext, userName, limit, quota_model.LimitSubjects{quota_model.LimitSubjectSizeAll})
+		require.NoError(t, err)
+		org.QuotaRule = rule
+
+		// Add the rule to the group
+		err = group.AddRuleByName(db.DefaultContext, rule.Name)
+		require.NoError(t, err)
+
+		// Add the org to the group
+		err = group.AddUserByID(db.DefaultContext, org.Org.ID)
+		require.NoError(t, err)
+
+		return org
+	}
+
+	env := quotaWebEnv{}
+	env.cleaners = []func(){
+		test.MockVariableValue(&setting.Quota.Enabled, true),
+		test.MockVariableValue(&testWebRoutes, routers.NormalRoutes()),
+	}
+
+	// Create the limited user and the various orgs, and a contributor who's not
+	// in any of the orgs.
+	env.Users.Limited = makeUser(t, int64(0))
+	env.Users.Contributor = makeUser(t, int64(0))
+	env.Orgs.Limited = makeOrg(t, env.Users.Limited.User, int64(0))
+	env.Orgs.Unlimited = makeOrg(t, env.Users.Limited.User, int64(-1))
+
+	env.Users.Ungrouped = makeUngroupedUser(t)
+
+	return &env
+}