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BED-4537: Create Share endpoint (continued) #802

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BED-4537: Create Share endpoint (continued) #802

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f95108b
Refactored logic, added unit/integration tests, handled merge conflicts
ALCooper12 Aug 20, 2024
a287711
Merge branch 'main' of github.com:SpecterOps/BloodHound into BED-4537…
ALCooper12 Aug 20, 2024
e13036a
Addressed previous PR feedback and adjusted unit tests
ALCooper12 Aug 20, 2024
0fc97a6
Corrected openapi stuff
ALCooper12 Aug 20, 2024
2205fd5
Changed the endpoint url
ALCooper12 Aug 20, 2024
3783270
More openapi corrections and file name change
ALCooper12 Aug 21, 2024
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1 change: 1 addition & 0 deletions cmd/api/src/api/registration/v2.go
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Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,7 @@ func NewV2API(cfg config.Configuration, resources v2.Resources, routerInst *rout
routerInst.POST("/api/v2/saved-queries", resources.CreateSavedQuery).RequirePermissions(permissions.SavedQueriesWrite),
routerInst.PUT(fmt.Sprintf("/api/v2/saved-queries/{%s}", api.URIPathVariableSavedQueryID), resources.UpdateSavedQuery).RequirePermissions(permissions.SavedQueriesWrite),
routerInst.DELETE(fmt.Sprintf("/api/v2/saved-queries/{%s}", api.URIPathVariableSavedQueryID), resources.DeleteSavedQuery).RequirePermissions(permissions.SavedQueriesWrite),
routerInst.PUT(fmt.Sprintf("/api/v2/saved-queries/{%s}/permissions", api.URIPathVariableSavedQueryID), resources.ShareSavedQueries).RequirePermissions(permissions.SavedQueriesWrite),

// Azure Entity API
routerInst.GET("/api/v2/azure/{entity_type}", resources.GetAZEntity).RequirePermissions(permissions.GraphDBRead),
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262 changes: 262 additions & 0 deletions cmd/api/src/api/v2/saved_queries_permissions.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,262 @@
// Copyright 2024 Specter Ops, Inc.
//
// Licensed under the Apache License, Version 2.0
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0

package v2

import (
"errors"
"net/http"
"strconv"

"github.com/gofrs/uuid"
"github.com/gorilla/mux"
"github.com/specterops/bloodhound/src/api"
"github.com/specterops/bloodhound/src/auth"
ctx2 "github.com/specterops/bloodhound/src/ctx"
"github.com/specterops/bloodhound/src/database"
"github.com/specterops/bloodhound/src/model"
)

type ShareSavedQueriesResponse []model.SavedQueriesPermissions

type SavedQueryPermissionRequest struct {
UserIDs []uuid.UUID `json:"user_ids"`
Public bool `json:"public"`
}

// ShareSavedQueries allows a user to share queries between users, as well as share them publicly
func (s Resources) ShareSavedQueries(response http.ResponseWriter, request *http.Request) {
var (
rawSavedQueryID = mux.Vars(request)[api.URIPathVariableSavedQueryID]
createRequest SavedQueryPermissionRequest
)

if user, isUser := auth.GetUserFromAuthCtx(ctx2.FromRequest(request).AuthCtx); !isUser {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, "No associated user found", request), response)
} else if savedQueryID, err := strconv.ParseInt(rawSavedQueryID, 10, 64); err != nil {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, api.ErrorResponseDetailsIDMalformed, request), response)
} else if err := api.ReadJSONRequestPayloadLimited(&createRequest, request); err != nil {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, err.Error(), request), response)
} else if createRequest.Public && len(createRequest.UserIDs) > 0 {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, "Public cannot be true while user_ids is populated", request), response)
} else if savedQueryBelongsToUser, err := s.DB.SavedQueryBelongsToUser(request.Context(), user.ID, savedQueryID); errors.Is(err, database.ErrNotFound) {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusNotFound, "Query does not exist", request), response)
} else if err != nil {
api.HandleDatabaseError(request, response, err)
} else if dbSavedQueryScope, err := s.DB.GetScopeForSavedQuery(request.Context(), int64(savedQueryID), user.ID); err != nil {
api.HandleDatabaseError(request, response, err)
} else if isSavedQueryShared, err := s.DB.IsSavedQueryShared(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
isAdmin := user.Roles.Has(model.Role{Name: auth.RoleAdministrator})

if isAdmin {
// Query set to public
if createRequest.Public {
if savedQueryBelongsToUser {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
response.WriteHeader(http.StatusNoContent)
} else {
if isSavedQueryShared {
if savedPermission, err := s.DB.CreateSavedQueryPermissionToPublic(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else if savedQueryPermissions, err := s.DB.GetPermissionsForSavedQuery(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
for _, permission := range savedQueryPermissions {
sharedToUserID := permission.SharedToUserID

if err := s.DB.DeleteSavedQueryPermissionsForUser(request.Context(), int64(savedQueryID), sharedToUserID.UUID); err != nil {
api.HandleDatabaseError(request, response, err)
}
}
api.WriteBasicResponse(request.Context(), ShareSavedQueriesResponse{savedPermission}, http.StatusCreated, response)
}
} else {
if savedPermission, err := s.DB.CreateSavedQueryPermissionToPublic(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
api.WriteBasicResponse(request.Context(), ShareSavedQueriesResponse{savedPermission}, http.StatusCreated, response)
}
}
}
} else {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
response.WriteHeader(http.StatusNoContent)
} else {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusForbidden, api.ErrorResponseDetailsForbidden, request), response)
return
}
}
// Query set to private
} else if len(createRequest.UserIDs) == 0 {
if savedQueryBelongsToUser {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
if err := s.DB.DeleteSavedQueryPermissionPublic(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
response.WriteHeader(http.StatusNoContent)
}
} else {
if isSavedQueryShared {
if savedQueryPermissions, err := s.DB.GetPermissionsForSavedQuery(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
for _, permission := range savedQueryPermissions {
sharedToUserID := permission.SharedToUserID

if err := s.DB.DeleteSavedQueryPermissionsForUser(request.Context(), int64(savedQueryID), sharedToUserID.UUID); err != nil {
api.HandleDatabaseError(request, response, err)
}
}
response.WriteHeader(http.StatusNoContent)
}
} else {
response.WriteHeader(http.StatusNoContent)
}
}
} else {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
if err := s.DB.DeleteSavedQueryPermissionPublic(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
response.WriteHeader(http.StatusNoContent)
}
} else {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusForbidden, api.ErrorResponseDetailsForbidden, request), response)
return
}
}
// Sharing a query
} else if len(createRequest.UserIDs) > 0 && !createRequest.Public {
if savedQueryBelongsToUser {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, "Public query cannot be shared to users. You must set your query to private first", request), response)
} else {
var newPermissions []model.SavedQueriesPermissions
for _, sharedUserID := range createRequest.UserIDs {
if sharedUserID != user.ID {
newPermissions = append(newPermissions, model.SavedQueriesPermissions{
QueryID: int64(savedQueryID),
Public: false,
SharedToUserID: database.NullUUID(sharedUserID),
})
} else {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, "Cannot share query to self", request), response)
return
}
}
// Save the permissions to the database
if savedPermissions, err := s.DB.CreateSavedQueryPermissionsBatch(request.Context(), newPermissions); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
api.WriteBasicResponse(request.Context(), savedPermissions, http.StatusCreated, response)
}
}
} else {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, "Public query cannot be shared to users. You must set your query to private first", request), response)
} else {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusForbidden, api.ErrorResponseDetailsForbidden, request), response)
return
}
}
}
} else if !isAdmin {
if !savedQueryBelongsToUser {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusForbidden, api.ErrorResponseDetailsForbidden, request), response)
return
// Query set to public
} else if createRequest.Public {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
response.WriteHeader(http.StatusNoContent)
} else {
if isSavedQueryShared {
if savedPermission, err := s.DB.CreateSavedQueryPermissionToPublic(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else if savedQueryPermissions, err := s.DB.GetPermissionsForSavedQuery(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
for _, permission := range savedQueryPermissions {
sharedToUserID := permission.SharedToUserID

if err := s.DB.DeleteSavedQueryPermissionsForUser(request.Context(), int64(savedQueryID), sharedToUserID.UUID); err != nil {
api.HandleDatabaseError(request, response, err)
}
}
api.WriteBasicResponse(request.Context(), ShareSavedQueriesResponse{savedPermission}, http.StatusCreated, response)
}
} else {
if savedPermission, err := s.DB.CreateSavedQueryPermissionToPublic(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
api.WriteBasicResponse(request.Context(), ShareSavedQueriesResponse{savedPermission}, http.StatusCreated, response)
}
}
}
// Query set to private
} else if len(createRequest.UserIDs) == 0 {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusForbidden, api.ErrorResponseDetailsForbidden, request), response)
return
} else {
if isSavedQueryShared {
if savedQueryPermissions, err := s.DB.GetPermissionsForSavedQuery(request.Context(), int64(savedQueryID)); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
for _, permission := range savedQueryPermissions {
sharedToUserID := permission.SharedToUserID

if err := s.DB.DeleteSavedQueryPermissionsForUser(request.Context(), int64(savedQueryID), sharedToUserID.UUID); err != nil {
api.HandleDatabaseError(request, response, err)
}
}
response.WriteHeader(http.StatusNoContent)
}
} else {
response.WriteHeader(http.StatusNoContent)
}
}
// Sharing a query
} else if len(createRequest.UserIDs) > 0 && !createRequest.Public {
if dbSavedQueryScope[model.SavedQueryScopePublic] {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusForbidden, api.ErrorResponseDetailsForbidden, request), response)
return
} else {
var newPermissions []model.SavedQueriesPermissions
for _, sharedUserID := range createRequest.UserIDs {
if sharedUserID != user.ID {
newPermissions = append(newPermissions, model.SavedQueriesPermissions{
QueryID: int64(savedQueryID),
Public: false,
SharedToUserID: database.NullUUID(sharedUserID),
})
} else {
api.WriteErrorResponse(request.Context(), api.BuildErrorResponse(http.StatusBadRequest, "Cannot share query to self", request), response)
return
}
}
// Save the permissions to the database
if savedPermissions, err := s.DB.CreateSavedQueryPermissionsBatch(request.Context(), newPermissions); err != nil {
api.HandleDatabaseError(request, response, err)
} else {
api.WriteBasicResponse(request.Context(), savedPermissions, http.StatusCreated, response)
}
}
}
}
}
}
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