vendor/github.com/hashicorp/go-getter/detect_ssh.go

   1 package getter
   2
   3 import (
   4         "fmt"
   5         "net/url"
   6         "regexp"
   7         "strings"
   8 )
   9
  10 // Note that we do not have an SSH-getter currently so this file serves
  11 // only to hold the detectSSH helper that is used by other detectors.
  12
  13 // sshPattern matches SCP-like SSH patterns (user@host:path)
  14 var sshPattern = regexp.MustCompile("^(?:([^@]+)@)?([^:]+):/?(.+)$")
  15
  16 // detectSSH determines if the src string matches an SSH-like URL and
  17 // converts it into a net.URL compatible string. This returns nil if the
  18 // string doesn't match the SSH pattern.
  19 //
  20 // This function is tested indirectly via detect_git_test.go
  21 func detectSSH(src string) (*url.URL, error) {
  22         matched := sshPattern.FindStringSubmatch(src)
  23         if matched == nil {
  24                 return nil, nil
  25         }
  26
  27         user := matched[1]
  28         host := matched[2]
  29         path := matched[3]
  30         qidx := strings.Index(path, "?")
  31         if qidx == -1 {
  32                 qidx = len(path)
  33         }
  34
  35         var u url.URL
  36         u.Scheme = "ssh"
  37         u.User = url.User(user)
  38         u.Host = host
  39         u.Path = path[0:qidx]
  40         if qidx < len(path) {
  41                 q, err := url.ParseQuery(path[qidx+1:])
  42                 if err != nil {
  43                         return nil, fmt.Errorf("error parsing GitHub SSH URL: %s", err)
  44                 }
  45                 u.RawQuery = q.Encode()
  46         }
  47
  48         return &u, nil
  49 }