Respect `REQUIRE_SIGNIN_VIEW` for packages (#20873)

Fix #20863

When REQUIRE_SIGNIN_VIEW = true, even with public repositories, you can only see them after you login. The packages should not be accessed without login.

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modules/context/package.go

@@ -14,6 +14,7 @@ import (
 	"code.gitea.io/gitea/models/perm"
 	"code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/templates"
 )
@@ -54,69 +55,84 @@ func packageAssignment(ctx *Context, errCb func(int, string, interface{})) {
 		Owner: ctx.ContextUser,
 	}
 
+	var err error
+	ctx.Package.AccessMode, err = determineAccessMode(ctx)
+	if err != nil {
+		errCb(http.StatusInternalServerError, "determineAccessMode", err)
+		return
+	}
+
+	packageType := ctx.Params("type")
+	name := ctx.Params("name")
+	version := ctx.Params("version")
+	if packageType != "" && name != "" && version != "" {
+		pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.Type(packageType), name, version)
+		if err != nil {
+			if err == packages_model.ErrPackageNotExist {
+				errCb(http.StatusNotFound, "GetVersionByNameAndVersion", err)
+			} else {
+				errCb(http.StatusInternalServerError, "GetVersionByNameAndVersion", err)
+			}
+			return
+		}
+
+		ctx.Package.Descriptor, err = packages_model.GetPackageDescriptor(ctx, pv)
+		if err != nil {
+			errCb(http.StatusInternalServerError, "GetPackageDescriptor", err)
+			return
+		}
+	}
+}
+
+func determineAccessMode(ctx *Context) (perm.AccessMode, error) {
+	accessMode := perm.AccessModeNone
+
+	if setting.Service.RequireSignInView && ctx.Doer == nil {
+		return accessMode, nil
+	}
+
 	if ctx.Package.Owner.IsOrganization() {
 		org := organization.OrgFromUser(ctx.Package.Owner)
 
 		// 1. Get user max authorize level for the org (may be none, if user is not member of the org)
 		if ctx.Doer != nil {
 			var err error
-			ctx.Package.AccessMode, err = org.GetOrgUserMaxAuthorizeLevel(ctx.Doer.ID)
+			accessMode, err = org.GetOrgUserMaxAuthorizeLevel(ctx.Doer.ID)
 			if err != nil {
-				errCb(http.StatusInternalServerError, "GetOrgUserMaxAuthorizeLevel", err)
-				return
+				return accessMode, err
 			}
 			// If access mode is less than write check every team for more permissions
-			if ctx.Package.AccessMode < perm.AccessModeWrite {
+			if accessMode < perm.AccessModeWrite {
 				teams, err := organization.GetUserOrgTeams(ctx, org.ID, ctx.Doer.ID)
 				if err != nil {
-					errCb(http.StatusInternalServerError, "GetUserOrgTeams", err)
-					return
+					return accessMode, err
 				}
 				for _, t := range teams {
 					perm := t.UnitAccessModeCtx(ctx, unit.TypePackages)
-					if ctx.Package.AccessMode < perm {
-						ctx.Package.AccessMode = perm
+					if accessMode < perm {
+						accessMode = perm
 					}
 				}
 			}
 		}
 		// 2. If authorize level is none, check if org is visible to user
-		if ctx.Package.AccessMode == perm.AccessModeNone && organization.HasOrgOrUserVisible(ctx, ctx.Package.Owner, ctx.Doer) {
-			ctx.Package.AccessMode = perm.AccessModeRead
+		if accessMode == perm.AccessModeNone && organization.HasOrgOrUserVisible(ctx, ctx.Package.Owner, ctx.Doer) {
+			accessMode = perm.AccessModeRead
 		}
 	} else {
 		if ctx.Doer != nil && !ctx.Doer.IsGhost() {
 			// 1. Check if user is package owner
 			if ctx.Doer.ID == ctx.Package.Owner.ID {
-				ctx.Package.AccessMode = perm.AccessModeOwner
+				accessMode = perm.AccessModeOwner
 			} else if ctx.Package.Owner.Visibility == structs.VisibleTypePublic || ctx.Package.Owner.Visibility == structs.VisibleTypeLimited { // 2. Check if package owner is public or limited
-				ctx.Package.AccessMode = perm.AccessModeRead
+				accessMode = perm.AccessModeRead
 			}
 		} else if ctx.Package.Owner.Visibility == structs.VisibleTypePublic { // 3. Check if package owner is public
-			ctx.Package.AccessMode = perm.AccessModeRead
+			accessMode = perm.AccessModeRead
 		}
 	}
 
-	packageType := ctx.Params("type")
-	name := ctx.Params("name")
-	version := ctx.Params("version")
-	if packageType != "" && name != "" && version != "" {
-		pv, err := packages_model.GetVersionByNameAndVersion(ctx, ctx.Package.Owner.ID, packages_model.Type(packageType), name, version)
-		if err != nil {
-			if err == packages_model.ErrPackageNotExist {
-				errCb(http.StatusNotFound, "GetVersionByNameAndVersion", err)
-			} else {
-				errCb(http.StatusInternalServerError, "GetVersionByNameAndVersion", err)
-			}
-			return
-		}
-
-		ctx.Package.Descriptor, err = packages_model.GetPackageDescriptor(ctx, pv)
-		if err != nil {
-			errCb(http.StatusInternalServerError, "GetPackageDescriptor", err)
-			return
-		}
-	}
+	return accessMode, nil
 }
 
 // PackageContexter initializes a package context for a request.

tests/integration/api_packages_generic_test.go

@@ -14,6 +14,7 @@ import (
 	"code.gitea.io/gitea/models/packages"
 	"code.gitea.io/gitea/models/unittest"
 	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/tests"
 
 	"github.com/stretchr/testify/assert"
@@ -126,6 +127,18 @@ func TestPackageGeneric(t *testing.T) {
 			req := NewRequest(t, "GET", url+"/not.found")
 			MakeRequest(t, req, http.StatusNotFound)
 		})
+
+		t.Run("RequireSignInView", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+
+			setting.Service.RequireSignInView = true
+			defer func() {
+				setting.Service.RequireSignInView = false
+			}()
+
+			req = NewRequest(t, "GET", url+"/dummy.bin")
+			MakeRequest(t, req, http.StatusUnauthorized)
+		})
 	})
 
 	t.Run("Delete", func(t *testing.T) {