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frozen_deps.go
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/
frozen_deps.go
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// Copyright 2020 Security Scorecard 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 checks
import (
"archive/tar"
"compress/gzip"
"io"
"strings"
"github.com/ossf/scorecard/checker"
)
func init() {
registerCheck("Frozen-Deps", FrozenDeps)
}
var passResult = checker.CheckResult{
Pass: true,
Confidence: 10,
}
func FrozenDeps(c checker.Checker) checker.CheckResult {
r, _, err := c.Client.Repositories.Get(c.Ctx, c.Owner, c.Repo)
if err != nil {
return checker.RetryResult(err)
}
url := r.GetArchiveURL()
url = strings.Replace(url, "{archive_format}", "tarball", 1)
url = strings.Replace(url, "{/ref}", r.GetDefaultBranch(), 1)
// Download
resp, err := c.HttpClient.Get(url)
if err != nil {
return checker.RetryResult(err)
}
defer resp.Body.Close()
gz, err := gzip.NewReader(resp.Body)
if err != nil {
return checker.RetryResult(err)
}
tr := tar.NewReader(gz)
for {
hdr, err := tr.Next()
if err == io.EOF {
break
} else if err != nil {
return checker.RetryResult(err)
}
// Strip the repo name
names := strings.SplitN(hdr.Name, "/", 2)
if len(names) < 2 {
continue
}
name := names[1]
switch strings.ToLower(name) {
case "go.mod", "go.sum":
c.Logf("go modules found: %s", name)
return passResult
case "vendor/", "third_party/", "third-party/":
c.Logf("vendor dir found: %s", name)
return passResult
case "package-lock.json":
c.Logf("nodejs packages found: %s", name)
return passResult
case "requirements.txt", "pipfile.lock":
c.Logf("python requirements found: %s", name)
return passResult
case "gemfile.lock":
c.Logf("ruby gems found: %s", name)
return passResult
case "cargo.lock":
c.Logf("rust crates found: %s", name)
return passResult
}
}
return checker.CheckResult{
Pass: false,
Confidence: 5,
}
}