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Merge pull request #75 from shogo82148/update-cetificates-2023-08-30
update the certificates (2023-08-30)
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,25 @@ | ||
| name: update | ||
| on: | ||
| schedule: | ||
| - cron: "23 6 * * *" | ||
| workflow_dispatch: | ||
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| jobs: | ||
| update: | ||
| name: update | ||
| runs-on: ubuntu-latest | ||
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| steps: | ||
| - name: Check out code into the Go module directory | ||
| uses: actions/checkout@v3 | ||
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| - name: Set up Go | ||
| uses: actions/setup-go@v4 | ||
| with: | ||
| go-version: stable | ||
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| - name: Update the Certificates | ||
| run: go generate ./... | ||
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| - name: Commit and Push Changes | ||
| uses: shogo82148/actions-commit-and-create-pr@v1 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| module github.com/shogo82148/rdsmysql | ||
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| go 1.13 | ||
| go 1.16 | ||
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| require ( | ||
| github.com/aws/aws-sdk-go v1.44.313 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| package main | ||
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "crypto/x509" | ||
| "encoding/pem" | ||
| "fmt" | ||
| "go/format" | ||
| "io" | ||
| "net/http" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
| "time" | ||
| ) | ||
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| func main() { | ||
| ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM) | ||
| defer cancel() | ||
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| err := downloadCertificate(ctx, &options{ | ||
| file: "rds.go", | ||
| pkg: "certificate", | ||
| url: "https://truststore.pki.rds.amazonaws.com/global/global-bundle.pem", | ||
| name: "rdsCertificates", | ||
| comment: `// rdsCertificates is the intermediate and root [certificates] for [Amazon RDS MySQL] and [Amazon Aurora MySQL]. | ||
| // | ||
| // [Amazon RDS MySQL]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.SSL.html#UsingWithRDS.SSL.CertificatesAllRegions | ||
| // [Amazon Aurora MySQL]: https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/UsingWithRDS.SSL.html#UsingWithRDS.SSL.CertificatesAllRegions | ||
| // [certificates]: https://truststore.pki.rds.amazonaws.com/global/global-bundle.pem | ||
| `, | ||
| }) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } | ||
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| type options struct { | ||
| file string | ||
| pkg string | ||
| url string | ||
| name string | ||
| comment string | ||
| } | ||
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| func downloadCertificate(ctx context.Context, opts *options) error { | ||
| pemCerts, err := download(ctx, opts.url) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| certs, err := parseCertificate(pemCerts) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| buf := &bytes.Buffer{} | ||
| buf.WriteString("// Code generated by cmd/update_certificate/main.go; DO NOT EDIT.\n\n") | ||
| buf.WriteString("package " + opts.pkg + "\n\n") | ||
| buf.WriteString(opts.comment) | ||
| buf.WriteString("const " + opts.name + " = `") | ||
| buf.Write(pemCerts) | ||
| buf.WriteString("`\n\n") | ||
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| buf.WriteString("// " + opts.name + " contains:\n") | ||
| buf.WriteString("//\n") | ||
| for _, cert := range certs { | ||
| nbf := cert.NotBefore.Format(time.RFC3339) | ||
| naf := cert.NotAfter.Format(time.RFC3339) | ||
| fmt.Fprintf(buf, "// - %50s (not before: %s, not after: %s)\n", cert.Subject.CommonName, nbf, naf) | ||
| } | ||
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| data, err := format.Source(buf.Bytes()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| return os.WriteFile(opts.file, data, 0644) | ||
| } | ||
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| func download(ctx context.Context, url string) ([]byte, error) { | ||
| req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| resp, err := http.DefaultClient.Do(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer resp.Body.Close() | ||
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| if resp.StatusCode != http.StatusOK { | ||
| return nil, fmt.Errorf("unexpected status code: %d", resp.StatusCode) | ||
| } | ||
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| return io.ReadAll(resp.Body) | ||
| } | ||
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| func parseCertificate(pemCerts []byte) ([]*x509.Certificate, error) { | ||
| var certs []*x509.Certificate | ||
| for len(pemCerts) > 0 { | ||
| var block *pem.Block | ||
| block, pemCerts = pem.Decode(pemCerts) | ||
| if block == nil { | ||
| break | ||
| } | ||
| if block.Type != "CERTIFICATE" || len(block.Headers) != 0 { | ||
| continue | ||
| } | ||
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| certBytes := block.Bytes | ||
| cert, err := x509.ParseCertificate(certBytes) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| certs = append(certs, cert) | ||
| } | ||
| return certs, nil | ||
| } |