// YAML representation of a Siegfried struct.
// This is the provenace block at the beginning of sf results and includes descriptions for each identifier.
func (s *Siegfried) YAML() string {
version := config.Version()
str := fmt.Sprintf(
"---\nsiegfried : %d.%d.%d\nscandate : %v\nsignature : %s\ncreated : %v\nidentifiers : \n",
version[0], version[1], version[2],
time.Now().Format(time.RFC3339),
config.SignatureBase(),
s.C.Format(time.RFC3339))
for _, id := range s.ids {
d := id.Describe()
str += fmt.Sprintf(" - name : '%v'\n details : '%v'\n", d[0], d[1])
}
return str
}
func TestMakeGob(t *testing.T) {
s := siegfried.New()
config.SetHome(*testhome)
p, err := pronom.New()
if err != nil {
t.Fatal(err)
}
err = s.Add(p)
if err != nil {
t.Fatal(err)
}
sigs := filepath.Join("data", config.SignatureBase())
err = s.Save(sigs)
if err != nil {
t.Fatal(err)
}
}
// JSON representation of a Siegfried struct.
// This is the provenace block at the beginning of sf results and includes descriptions for each identifier.
func (s *Siegfried) JSON() string {
version := config.Version()
str := fmt.Sprintf(
"{\"siegfried\":\"%d.%d.%d\",\"scandate\":\"%v\",\"signature\":\"%s\",\"created\":\"%v\",\"identifiers\":[",
version[0], version[1], version[2],
time.Now().Format(time.RFC3339),
config.SignatureBase(),
s.C.Format(time.RFC3339))
for i, id := range s.ids {
if i > 0 {
str += ","
}
d := id.Describe()
str += fmt.Sprintf("{\"name\":\"%s\",\"details\":\"%s\"}", d[0], d[1])
}
str += "],"
return str
}
func main() {
flag.Parse()
/*//UNCOMMENT TO RUN PROFILER
go func() {
log.Println(http.ListenAndServe("localhost:6060", nil))
}()*/
if *home != config.Home() {
config.SetHome(*home)
}
if *sig != config.SignatureBase() {
config.SetSignature(*sig)
}
if *version {
version := config.Version()
fmt.Printf("siegfried version: %d.%d.%d\n", version[0], version[1], version[2])
return
}
if *update {
msg, err := updateSigs()
if err != nil {
log.Fatalf("Error: failed to update signature file, %v", err)
}
fmt.Println(msg)
return
}
// during parallel scanning or in server mode, unsafe to access the last read buffer - so can't unzip or hash
if *multi > 1 || *serve != "" {
if *archive {
log.Fatalln("Error: cannot scan archive formats when running in parallel mode")
}
if *hashf != "" {
log.Fatalln("Error: cannot calculate file checksum when running in parallel mode")
}
}
if err := setHash(); err != nil {
log.Fatal(err)
}
if *serve != "" || *fprflag {
s, err := siegfried.Load(config.Signature())
if err != nil {
log.Fatalf("Error: error loading signature file, got: %v", err)
}
if *serve != "" {
log.Printf("Starting server at %s. Use CTRL-C to quit.\n", *serve)
listen(*serve, s)
return
}
log.Printf("FPR server started at %s. Use CTRL-C to quit.\n", config.Fpr())
serveFpr(config.Fpr(), s)
return
}
if flag.NArg() != 1 {
log.Fatalln("Error: expecting a single file or directory argument")
}
s, err := siegfried.Load(config.Signature())
if err != nil {
log.Fatalf("Error: error loading signature file, got: %v", err)
}
var w writer
switch {
case *debug:
config.SetDebug()
w = debugWriter{}
case *slow:
config.SetSlow()
w = &slowWriter{os.Stdout}
case *csvo:
w = newCSV(os.Stdout)
case *jsono:
w = newJSON(os.Stdout)
case *droido:
w = newDroid(os.Stdout)
case *knowno:
w = &knownWriter{true, os.Stdout}
case *unknowno:
w = &knownWriter{false, os.Stdout}
default:
w = newYAML(os.Stdout)
}
// support reading list files from stdin
if flag.Arg(0) == "-" {
w.writeHead(s)
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
info, err := os.Stat(scanner.Text())
if err != nil || info.IsDir() {
w.writeFile(scanner.Text(), 0, "", nil, fmt.Errorf("failed to identify %s (in scanning mode, inputs must all be files and not directories), got: %v", scanner.Text(), err), nil)
} else {
identifyFile(w, s, scanner.Text(), info.Size(), info.ModTime().Format(time.RFC3339))
}
}
w.writeTail()
os.Exit(0)
}
info, err := os.Stat(flag.Arg(0))
if err != nil {
log.Fatalf("Error: error getting info for %v, got: %v", flag.Arg(0), err)
}
if info.IsDir() {
if config.Debug() {
log.Fatalln("Error: when scanning in debug mode, give a file rather than a directory argument")
}
w.writeHead(s)
if *multi > 16 {
*multi = 16
}
if *multi > 1 {
multiIdentifyP(w, s, flag.Arg(0), *nr)
} else {
multiIdentifyS(w, s, flag.Arg(0), *nr)
}
w.writeTail()
os.Exit(0)
}
w.writeHead(s)
identifyFile(w, s, flag.Arg(0), info.Size(), info.ModTime().Format(time.RFC3339))
w.writeTail()
os.Exit(0)
}
const PROCS = -1
// flags
var (
update = flag.Bool("update", false, "update or install the default signature file")
version = flag.Bool("version", false, "display version information")
debug = flag.Bool("debug", false, "scan in debug mode")
slow = flag.Bool("slow", false, "scan and report slow signatures")
nr = flag.Bool("nr", false, "prevent automatic directory recursion")
csvo = flag.Bool("csv", false, "CSV output format")
jsono = flag.Bool("json", false, "JSON output format")
droido = flag.Bool("droid", false, "DROID CSV output format")
knowno = flag.Bool("known", false, "Output list of known files")
unknowno = flag.Bool("unknown", false, "Output list of unknown files")
sig = flag.String("sig", config.SignatureBase(), "set the signature file")
home = flag.String("home", config.Home(), "override the default home directory")
serve = flag.String("serve", "", "start siegfried server e.g. -serve localhost:5138")
multi = flag.Int("multi", 1, "set number of file ID processes")
archive = flag.Bool("z", false, "scan archive formats (zip, tar, gzip)")
hashf = flag.String("hash", "", "calculate file checksum with hash algorithm; options "+hashChoices)
)
type res struct {
path string
sz int64
mod string
c iterableID
err error
}
func main() {
flag.Parse()
/*//UNCOMMENT TO RUN PROFILER
go func() {
log.Println(http.ListenAndServe("localhost:6060", nil))
}()*/
if *version {
version := config.Version()
fmt.Printf("siegfried %d.%d.%d\n", version[0], version[1], version[2])
s, err := siegfried.Load(config.Signature())
if err != nil {
fmt.Println(err)
return
}
fmt.Print(s)
return
}
if *home != config.Home() {
config.SetHome(*home)
}
if *sig != config.SignatureBase() {
config.SetSignature(*sig)
}
if *update {
msg, err := updateSigs()
if err != nil {
log.Fatalf("[FATAL] failed to update signature file, %v", err)
}
fmt.Println(msg)
return
}
// during parallel scanning or in server mode, unsafe to access the last read buffer - so can't unzip or hash
if *multi > 1 || *serve != "" {
if *archive {
log.Fatalln("[FATAL] cannot scan archive formats when running in parallel or server mode")
}
if *hashf != "" {
log.Fatalln("[FATAL] cannot calculate file checksum when running in parallel or server mode")
}
}
if *logf != "" {
if *multi > 1 && *logf != "error" {
log.Fatalln("[FATAL] cannot log in parallel mode")
}
if err := newLogger(*logf); err != nil {
log.Fatalln(err)
}
}
if err := setHash(); err != nil {
log.Fatal(err)
}
if *serve != "" || *fprflag {
s, err := siegfried.Load(config.Signature())
if err != nil {
log.Fatalf("[FATAL] error loading signature file, got: %v", err)
}
if *serve != "" {
log.Printf("Starting server at %s. Use CTRL-C to quit.\n", *serve)
listen(*serve, s)
return
}
log.Printf("FPR server started at %s. Use CTRL-C to quit.\n", config.Fpr())
serveFpr(config.Fpr(), s)
return
}
if flag.NArg() != 1 {
log.Fatalln("[FATAL] expecting a single file or directory argument")
}
s, err := siegfried.Load(config.Signature())
if err != nil {
log.Fatalf("[FATAL] error loading signature file, got: %v", err)
}
var w writer
switch {
case *csvo:
w = newCSV(os.Stdout)
case *jsono:
w = newJSON(os.Stdout)
case *droido:
w = newDroid(os.Stdout)
default:
w = newYAML(os.Stdout)
}
if lg != nil && lg.w == os.Stdout {
w = logWriter{}
}
// support reading list files from stdin
if flag.Arg(0) == "-" {
w.writeHead(s)
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
info, err := os.Stat(scanner.Text())
if err != nil {
info, err = retryStat(scanner.Text(), err)
}
if err != nil || info.IsDir() {
writeError(w, scanner.Text(), 0, "", fmt.Errorf("failed to identify %s (in scanning mode, inputs must all be files and not directories), got: %v", scanner.Text(), err))
} else {
identifyFile(w, s, scanner.Text(), info.Size(), info.ModTime().Format(time.RFC3339))
}
}
w.writeTail()
lg.printElapsed()
os.Exit(0)
}
info, err := os.Stat(flag.Arg(0))
if err != nil {
info, err = retryStat(flag.Arg(0), err)
if err != nil {
log.Fatalf("[FATAL] cannot get info for %v, got: %v", flag.Arg(0), err)
}
}
if info.IsDir() {
w.writeHead(s)
if *multi > 16 {
*multi = 16
}
if *multi > 1 {
err = multiIdentifyP(w, s, flag.Arg(0), *nr)
} else {
if *throttlef != 0 {
throttle = time.NewTicker(*throttlef)
defer throttle.Stop()
}
err = multiIdentifyS(w, s, flag.Arg(0), "", *nr)
}
w.writeTail()
if err != nil {
log.Fatalf("[FATAL] %v\n", err)
}
lg.printElapsed()
os.Exit(0)
}
w.writeHead(s)
identifyFile(w, s, flag.Arg(0), info.Size(), info.ModTime().Format(time.RFC3339))
w.writeTail()
lg.printElapsed()
os.Exit(0)
}