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Automatically update trufflehog (trufflesecurity#121)
Co-authored-by: Dustin Decker <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| package updater | ||
|
|
||
| import ( | ||
| "archive/tar" | ||
| "archive/zip" | ||
| "bytes" | ||
| "compress/gzip" | ||
| "encoding/json" | ||
| "io" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "runtime" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/go-errors/errors" | ||
| "github.com/jpillora/overseer/fetcher" | ||
| log "github.com/sirupsen/logrus" | ||
|
|
||
| "github.com/trufflesecurity/trufflehog/v3/pkg/version" | ||
| ) | ||
|
|
||
| func Fetcher(version string) fetcher.Interface { | ||
| return &OSS{ | ||
| CurrentVersion: version, | ||
| } | ||
| } | ||
|
|
||
| type OSS struct { | ||
| Interval time.Duration | ||
| CurrentVersion string | ||
| } | ||
|
|
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| // Init validates the provided config | ||
| func (g *OSS) Init() error { | ||
| //initiate OSS connection | ||
| return nil | ||
| } | ||
|
|
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| const url = "https://oss.trufflehog.org/updates" | ||
|
|
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| type FormData struct { | ||
| OS string | ||
| Arch string | ||
| CurrentVersion string | ||
| Timezone string | ||
| Binary string | ||
| } | ||
|
|
||
| // Fetch binary from URL via OSS client | ||
| func (g *OSS) Fetch() (io.Reader, error) { | ||
| log.Debug("fetching trufflehog update") | ||
|
|
||
| zone, _ := time.Now().Zone() | ||
| data := &FormData{ | ||
| OS: runtime.GOOS, | ||
| Arch: runtime.GOARCH, | ||
| CurrentVersion: version.BuildVersion, | ||
| Timezone: zone, | ||
| Binary: "trufflehog", | ||
| } | ||
|
|
||
| dataByte, err := json.Marshal(data) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| reader := bytes.NewReader(dataByte) | ||
| resp, err := http.Post(url, "application/json", reader) | ||
| if err != nil || resp == nil { | ||
| return nil, err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| newBinBytes, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| buffer := bytes.NewReader(newBinBytes) | ||
| switch runtime.GOOS { | ||
| case "windows": | ||
| zipReader, err := zip.NewReader(buffer, int64(len(newBinBytes))) | ||
| if err != nil { | ||
| return nil, errors.Errorf("Failed to read zip archive: %s", err) | ||
| } | ||
| for _, f := range zipReader.File { | ||
| if strings.HasPrefix(f.Name, "trufflehog") { | ||
| return f.Open() | ||
| } | ||
| } | ||
| default: | ||
| gzipReader, err := gzip.NewReader(buffer) | ||
| if err != nil { | ||
| return nil, errors.Errorf("Failed to read gzip archive: %s", err) | ||
| } | ||
| defer gzipReader.Close() | ||
| tarReader := tar.NewReader(gzipReader) | ||
| for { | ||
| header, err := tarReader.Next() | ||
| if err == io.EOF { | ||
| return nil, errors.New("unable to get update") | ||
| } | ||
|
|
||
| if header.Typeflag == tar.TypeReg { | ||
| if strings.HasPrefix(header.Name, "trufflehog") { | ||
| return tarReader, nil | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return nil, errors.New("unable to get update") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| package version | ||
|
|
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| var BuildVersion = "dev" |