@ -6,12 +6,11 @@ package models
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path"
"path/filepath"
"strings"
@ -19,7 +18,9 @@ import (
"time"
"github.com/Unknwon/com"
qlog "github.com/qiniu/log"
"github.com/gogits/gogs/modules/base"
"github.com/gogits/gogs/modules/log"
)
@ -30,29 +31,21 @@ const (
var (
ErrKeyAlreadyExist = errors . New ( "Public key already exist" )
ErrKeyNotExist = errors . New ( "Public key does not exist" )
)
var sshOpLocker = sync . Mutex { }
var (
sshPath string
appPath string
sshPath string // SSH directory.
appPath string // Execution(binary) path.
)
// exePath returns the executable path.
func exePath ( ) ( string , error ) {
file , err := exec . LookPath ( os . Args [ 0 ] )
if err != nil {
return "" , err
}
return filepath . Abs ( file )
}
// homeDir returns the home directory of current user.
func homeDir ( ) string {
home , err := com . HomeDir ( )
if err != nil {
return "/"
qlog . Fatalln ( err )
}
return home
}
@ -60,17 +53,14 @@ func homeDir() string {
func init ( ) {
var err error
appPath , err = exePath ( )
if err != nil {
fmt . Printf ( "publickey.init(fail to get app path): %v\n" , err )
os . Exit ( 2 )
if appPath , err = base . ExecDir ( ) ; err != nil {
qlog . Fatalf ( "publickey.init(fail to get app path): %v\n" , err )
}
// Determine and create .ssh path.
sshPath = filepath . Join ( homeDir ( ) , ".ssh" )
if err = os . MkdirAll ( sshPath , os . ModePerm ) ; err != nil {
fmt . Printf ( "publickey.init(fail to create sshPath(%s)): %v\n" , sshPath , err )
os . Exit ( 2 )
qlog . Fatalf ( "publickey.init(fail to create sshPath(%s)): %v\n" , sshPath , err )
}
}
@ -129,8 +119,8 @@ func AddPublicKey(key *PublicKey) (err error) {
return nil
}
// rewriteAuthorizedKeys finds and deletes corresponding line in authorized_keys file.
func rewriteAuthorizedKeys ( key * PublicKey , p , tmpP string ) error {
// Delete SSH key in SSH key file.
sshOpLocker . Lock ( )
defer sshOpLocker . Unlock ( )
@ -146,55 +136,48 @@ func rewriteAuthorizedKeys(key *PublicKey, p, tmpP string) error {
}
defer fw . Close ( )
buf := bufio . NewReader ( fr )
for {
line , errRead := buf . ReadString ( '\n' )
line = strings . TrimSpace ( line )
if errRead != nil {
if errRead != io . EOF {
return errRead
}
// Reached end of file, if nothing to read then break,
// otherwise handle the last line.
if len ( line ) == 0 {
break
}
isFound := false
keyword := [ ] byte ( fmt . Sprintf ( "key-%d" , key . Id ) )
content := [ ] byte ( key . Content )
snr := bufio . NewScanner ( fr )
for snr . Scan ( ) {
line := append ( bytes . TrimSpace ( snr . Bytes ( ) ) , '\n' )
if len ( line ) == 0 {
continue
}
// Found the line and copy rest of file.
if strings . Contains ( line , fmt . Sprintf ( "key-%d" , key . Id ) ) && strings . Contains ( line , key . Content ) {
if ! isFound && bytes . Contains ( line , keyword ) && bytes . Contains ( line , content ) {
isFound = true
continue
}
// Still finding the line, copy the line that currently read.
if _ , err = fw . WriteString ( line + "\n" ) ; err != nil {
if _ , err = fw . Write ( line ) ; err != nil {
return err
}
if errRead == io . EOF {
break
}
}
return nil
}
// DeletePublicKey deletes SSH key information both in database and authorized_keys file.
func DeletePublicKey ( key * PublicKey ) ( err error ) {
// Delete SSH key in database.
has , err := orm . Id ( key . Id ) . Get ( key )
func DeletePublicKey ( key * PublicKey ) error {
has , err := orm . Get ( key )
if err != nil {
return err
} else if ! has {
return errors . New ( "Public key does not exist" )
return ErrKeyNotExist
}
if _ , err = orm . Delete ( key ) ; err != nil {
return err
}
p := filepath . Join ( sshPath , "authorized_keys" )
tmpP := filepath . Join ( sshPath , "authorized_keys.tmp" )
log . Trace ( "ssh .DeletePublicKey(authorized_keys): %s" , p )
log . Trace ( "publickey .DeletePublicKey(authorized_keys): %s" , p )
if err = rewriteAuthorizedKeys ( key , p , tmpP ) ; err != nil {
return err
Unknown
11 years ago