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Feat/spdx sbom #18
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Feat/spdx sbom #18
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| // Copyright 2022 The Witness Contributors | ||
| // | ||
| // 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 sbom | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "path" | ||
|
|
||
| "github.com/spdx/spdx-sbom-generator/pkg/handler" | ||
| "github.com/spdx/spdx-sbom-generator/pkg/models" | ||
| "github.com/testifysec/go-witness/attestation" | ||
| ) | ||
|
|
||
| const ( | ||
| Name = "sbom" | ||
| Type = "https://witness.dev/attestations/sbom/v0.1" | ||
| RunType = attestation.PreRunType | ||
| ) | ||
|
|
||
| var ( | ||
| _ attestation.Attestor = &Attestor{} | ||
| ) | ||
|
|
||
| type Attestor struct { | ||
| models.Document | ||
| } | ||
|
|
||
| func init() { | ||
| attestation.RegisterAttestation(Name, Type, RunType, func() attestation.Attestor { | ||
| return New() | ||
| }) | ||
| } | ||
|
|
||
| func New() *Attestor { | ||
| return &Attestor{} | ||
| } | ||
|
|
||
| func (a *Attestor) Type() string { | ||
| return Type | ||
| } | ||
|
|
||
| func (a *Attestor) Name() string { | ||
| return Name | ||
| } | ||
|
|
||
| func (a *Attestor) RunType() attestation.RunType { | ||
| return RunType | ||
| } | ||
|
|
||
| func (a *Attestor) Attest(ctx *attestation.AttestationContext) error { | ||
| dir, err := os.MkdirTemp("", "sbom") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| handler, err := handler.NewSPDX(handler.SPDXSettings{ | ||
| Version: "witness", | ||
| Path: ctx.WorkingDir(), | ||
| License: false, | ||
| Depth: "", | ||
| OutputDir: dir, | ||
| Schema: "2.2", | ||
| Format: models.OutputFormatJson, | ||
| GlobalSettingFile: "", | ||
| }) | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = handler.Run() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = handler.Complete() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| //get files in dir | ||
| files, err := os.ReadDir(dir) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| //get the first file | ||
| if len(files) == 0 { | ||
| return fmt.Errorf("SBOM file not found in temp directory") | ||
| } | ||
|
|
||
| file := files[0] | ||
|
|
||
| //marshal file into Document | ||
| name := file.Name() | ||
| //join path | ||
| f, err := os.Open(path.Join(dir, name)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = json.NewDecoder(f).Decode(&a.Document) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| //remove temp dir | ||
| err = os.RemoveAll(dir) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
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We should probably check this array access to prevent a panic in case something weird happens and the file isn't there