/
vulnerability.go
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/
vulnerability.go
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//
// Copyright 2023 The GUAC Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// 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.
package backend
import (
"context"
stdsql "database/sql"
"fmt"
"strings"
"entgo.io/ent/dialect/sql"
"github.com/google/uuid"
"github.com/guacsec/guac/internal/testing/ptrfrom"
"github.com/guacsec/guac/pkg/assembler/backends/ent"
"github.com/guacsec/guac/pkg/assembler/backends/ent/predicate"
"github.com/guacsec/guac/pkg/assembler/backends/ent/vulnerabilityid"
"github.com/guacsec/guac/pkg/assembler/graphql/model"
"github.com/guacsec/guac/pkg/assembler/helpers"
"github.com/pkg/errors"
"github.com/vektah/gqlparser/v2/gqlerror"
)
const (
vulnTypeString = "vulnType"
NoVuln = "novuln"
)
func (b *EntBackend) IngestVulnerability(ctx context.Context, vuln model.IDorVulnerabilityInput) (*model.VulnerabilityIDs, error) {
id, txErr := WithinTX(ctx, b.client, func(ctx context.Context) (*model.VulnerabilityIDs, error) {
return upsertVulnerability(ctx, ent.TxFromContext(ctx), vuln)
})
if txErr != nil {
return nil, txErr
}
return id, nil
}
func (b *EntBackend) IngestVulnerabilities(ctx context.Context, vulns []*model.IDorVulnerabilityInput) ([]*model.VulnerabilityIDs, error) {
funcName := "IngestVulnerabilities"
var collectedVulnIDs []*model.VulnerabilityIDs
ids, txErr := WithinTX(ctx, b.client, func(ctx context.Context) (*[]model.VulnerabilityIDs, error) {
client := ent.TxFromContext(ctx)
slc, err := upsertBulkVulnerability(ctx, client, vulns)
if err != nil {
return nil, err
}
return slc, nil
})
if txErr != nil {
return nil, gqlerror.Errorf("%v :: %s", funcName, txErr)
}
for _, vulnIDs := range *ids {
v := vulnIDs
collectedVulnIDs = append(collectedVulnIDs, &v)
}
return collectedVulnIDs, nil
}
func (b *EntBackend) Vulnerabilities(ctx context.Context, filter *model.VulnerabilitySpec) ([]*model.Vulnerability, error) {
records, err := getVulnerabilities(ctx, b.client, *filter)
if err != nil {
return nil, err
}
return toModelVulnerability(records), nil // collect(records, toModelVulnerabilityFromVulnerabilityID), nil
}
func getVulnerabilities(ctx context.Context, client *ent.Client, filter model.VulnerabilitySpec) (ent.VulnerabilityIDs, error) {
var where = []predicate.VulnerabilityID{
optionalPredicate(filter.ID, IDEQ),
}
if filter.NoVuln != nil && *filter.NoVuln {
where = append(where,
optionalPredicate(ptrfrom.String(NoVuln), vulnerabilityid.TypeEQ),
)
}
if filter.Type != nil {
where = append(where,
optionalPredicate(ptrfrom.String(strings.ToLower(*filter.Type)), vulnerabilityid.TypeEQ),
)
}
if (filter.Type != nil && strings.ToLower(*filter.Type) != NoVuln) || filter.VulnerabilityID != nil {
if filter.VulnerabilityID != nil {
where = append(where,
optionalPredicate(ptrfrom.String(strings.ToLower(*filter.VulnerabilityID)), vulnerabilityid.VulnerabilityIDEQ),
)
}
}
results, err := client.VulnerabilityID.Query().
Where(where...).
Limit(MaxPageSize).
All(ctx)
if err != nil {
return nil, err
}
return results, nil
}
func upsertBulkVulnerability(ctx context.Context, tx *ent.Tx, vulnInputs []*model.IDorVulnerabilityInput) (*[]model.VulnerabilityIDs, error) {
batches := chunk(vulnInputs, MaxBatchSize)
ids := make([]model.VulnerabilityIDs, 0)
for _, vulns := range batches {
creates := make([]*ent.VulnerabilityIDCreate, len(vulns))
for i, vuln := range vulns {
v := vuln
vulnIDs := helpers.GetKey[*model.VulnerabilityInputSpec, helpers.VulnIds](v.VulnerabilityInput, helpers.VulnServerKey)
vulnID := generateUUIDKey([]byte(vulnIDs.VulnerabilityID))
creates[i] = generateVulnerabilityIDCreate(tx, &vulnID, v)
ids = append(ids, model.VulnerabilityIDs{
VulnerabilityTypeID: fmt.Sprintf("%s:%s", vulnTypeString, vulnID.String()),
VulnerabilityNodeID: vulnID.String()})
}
err := tx.VulnerabilityID.CreateBulk(creates...).
OnConflict(
sql.ConflictColumns(vulnerabilityid.FieldType, vulnerabilityid.FieldVulnerabilityID),
).
DoNothing().
Exec(ctx)
if err != nil {
return nil, errors.Wrap(err, "bulk upsert vulnerability")
}
}
return &ids, nil
}
func generateVulnerabilityIDCreate(tx *ent.Tx, vulnID *uuid.UUID, vulnInput *model.IDorVulnerabilityInput) *ent.VulnerabilityIDCreate {
return tx.VulnerabilityID.Create().
SetID(*vulnID).
SetType(strings.ToLower(vulnInput.VulnerabilityInput.Type)).
SetVulnerabilityID(strings.ToLower(vulnInput.VulnerabilityInput.VulnerabilityID))
}
func upsertVulnerability(ctx context.Context, tx *ent.Tx, spec model.IDorVulnerabilityInput) (*model.VulnerabilityIDs, error) {
vulnIDs := helpers.GetKey[*model.VulnerabilityInputSpec, helpers.VulnIds](spec.VulnerabilityInput, helpers.VulnServerKey)
vulnID := generateUUIDKey([]byte(vulnIDs.VulnerabilityID))
create := generateVulnerabilityIDCreate(tx, &vulnID, &spec)
err := create.
OnConflict(sql.ConflictColumns(vulnerabilityid.FieldType, vulnerabilityid.FieldVulnerabilityID)).
DoNothing().
Exec(ctx)
if err != nil {
if err != stdsql.ErrNoRows {
return nil, errors.Wrap(err, "upsert vulnerability")
}
}
return &model.VulnerabilityIDs{VulnerabilityTypeID: fmt.Sprintf("%s:%s", vulnTypeString, vulnID.String()), VulnerabilityNodeID: vulnID.String()}, nil
}
func toModelVulnerability(collectedVulnID []*ent.VulnerabilityID) []*model.Vulnerability {
vulnTypes := map[string][]*model.VulnerabilityID{}
for _, vulnID := range collectedVulnID {
typeString := vulnID.Type
vulnID := &model.VulnerabilityID{
ID: vulnID.ID.String(),
VulnerabilityID: vulnID.VulnerabilityID,
}
if _, ok := vulnTypes[typeString]; ok {
vulnTypes[typeString] = append(vulnTypes[typeString], vulnID)
} else {
var vulnIDs []*model.VulnerabilityID
vulnIDs = append(vulnIDs, vulnID)
vulnTypes[typeString] = vulnIDs
}
}
var vulnerabilities []*model.Vulnerability
for vulnType, vulnIDs := range vulnTypes {
vuln := &model.Vulnerability{
ID: vulnType,
Type: vulnType,
VulnerabilityIDs: vulnIDs,
}
vulnerabilities = append(vulnerabilities, vuln)
}
return vulnerabilities
}
func toModelVulnerabilityID(vulnID *ent.VulnerabilityID) *model.VulnerabilityID {
return &model.VulnerabilityID{
ID: vulnID.ID.String(),
VulnerabilityID: vulnID.VulnerabilityID,
}
}