108 lines
2.4 KiB
Go
108 lines
2.4 KiB
Go
|
package internal
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/base64"
|
||
|
|
"fmt"
|
||
|
|
"math"
|
||
|
|
"os"
|
||
|
|
"path/filepath"
|
||
|
|
"regexp"
|
||
|
|
"strings"
|
||
|
|
"time"
|
||
|
|
"unicode"
|
||
|
|
"unicode/utf8"
|
||
|
|
|
||
|
|
"github.com/gliderlabs/ssh"
|
||
|
|
)
|
||
|
|
|
||
|
|
var fnameRe = regexp.MustCompile(`[-_]+`)
|
||
|
|
|
||
|
|
func FilenameToTitle(filename string, title string) string {
|
||
|
|
if filename != title {
|
||
|
|
return title
|
||
|
|
}
|
||
|
|
|
||
|
|
pre := fnameRe.ReplaceAllString(title, " ")
|
||
|
|
r := []rune(pre)
|
||
|
|
r[0] = unicode.ToUpper(r[0])
|
||
|
|
return string(r)
|
||
|
|
}
|
||
|
|
|
||
|
|
func SanitizeFileExt(fname string) string {
|
||
|
|
return strings.TrimSuffix(fname, filepath.Ext(fname))
|
||
|
|
}
|
||
|
|
|
||
|
|
func KeyText(s ssh.Session) (string, error) {
|
||
|
|
if s.PublicKey() == nil {
|
||
|
|
return "", fmt.Errorf("Session doesn't have public key")
|
||
|
|
}
|
||
|
|
kb := base64.StdEncoding.EncodeToString(s.PublicKey().Marshal())
|
||
|
|
return fmt.Sprintf("%s %s", s.PublicKey().Type(), kb), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func GetEnv(key string, defaultVal string) string {
|
||
|
|
if value, exists := os.LookupEnv(key); exists {
|
||
|
|
return value
|
||
|
|
}
|
||
|
|
|
||
|
|
return defaultVal
|
||
|
|
}
|
||
|
|
|
||
|
|
// IsText reports whether a significant prefix of s looks like correct UTF-8;
|
||
|
|
// that is, if it is likely that s is human-readable text.
|
||
|
|
func IsText(s string) bool {
|
||
|
|
const max = 1024 // at least utf8.UTFMax
|
||
|
|
if len(s) > max {
|
||
|
|
s = s[0:max]
|
||
|
|
}
|
||
|
|
for i, c := range s {
|
||
|
|
if i+utf8.UTFMax > len(s) {
|
||
|
|
// last char may be incomplete - ignore
|
||
|
|
break
|
||
|
|
}
|
||
|
|
if c == 0xFFFD || c < ' ' && c != '\n' && c != '\t' && c != '\f' {
|
||
|
|
// decoding error or control character - not a text file
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
|
||
|
|
// IsTextFile reports whether the file has a known extension indicating
|
||
|
|
// a text file, or if a significant chunk of the specified file looks like
|
||
|
|
// correct UTF-8; that is, if it is likely that the file contains human-
|
||
|
|
// readable text.
|
||
|
|
func IsTextFile(text string, filename string) bool {
|
||
|
|
num := math.Min(float64(len(text)), 1024)
|
||
|
|
return IsText(text[0:int(num)])
|
||
|
|
}
|
||
|
|
|
||
|
|
const solarYearSecs = 31556926
|
||
|
|
|
||
|
|
func TimeAgo(t *time.Time) string {
|
||
|
|
d := time.Since(*t)
|
||
|
|
var metric string
|
||
|
|
var amount int
|
||
|
|
if d.Seconds() < 60 {
|
||
|
|
amount = int(d.Seconds())
|
||
|
|
metric = "second"
|
||
|
|
} else if d.Minutes() < 60 {
|
||
|
|
amount = int(d.Minutes())
|
||
|
|
metric = "minute"
|
||
|
|
} else if d.Hours() < 24 {
|
||
|
|
amount = int(d.Hours())
|
||
|
|
metric = "hour"
|
||
|
|
} else if d.Seconds() < solarYearSecs {
|
||
|
|
amount = int(d.Hours()) / 24
|
||
|
|
metric = "day"
|
||
|
|
} else {
|
||
|
|
amount = int(d.Seconds()) / solarYearSecs
|
||
|
|
metric = "year"
|
||
|
|
}
|
||
|
|
if amount == 1 {
|
||
|
|
return fmt.Sprintf("%d %s ago", amount, metric)
|
||
|
|
} else {
|
||
|
|
return fmt.Sprintf("%d %ss ago", amount, metric)
|
||
|
|
}
|
||
|
|
}
|