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package sshenv
import (
"os"
"strings"
)
const (
// GitProtocolEnv defines the ENV name holding the git protocol used
GitProtocolEnv = "GIT_PROTOCOL"
// SSHConnectionEnv defines the ENV holding the SSH connection
SSHConnectionEnv = "SSH_CONNECTION"
// SSHOriginalCommandEnv defines the ENV containing the original SSH command
SSHOriginalCommandEnv = "SSH_ORIGINAL_COMMAND"
)
type Env struct {
GitProtocolVersion string
IsSSHConnection bool
OriginalCommand string
RemoteAddr string
}
func NewFromEnv() Env {
isSSHConnection := false
if ok := os.Getenv(SSHConnectionEnv); ok != "" {
isSSHConnection = true
}
return Env{
GitProtocolVersion: os.Getenv(GitProtocolEnv),
IsSSHConnection: isSSHConnection,
RemoteAddr: remoteAddrFromEnv(),
OriginalCommand: os.Getenv(SSHOriginalCommandEnv),
}
}
// remoteAddrFromEnv returns the connection address from ENV string
func remoteAddrFromEnv() string {
address := os.Getenv(SSHConnectionEnv)
if address != "" {
return strings.Fields(address)[0]
}
return ""
}
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