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models/ssh_key: code cleaning

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This commit is contained in:
Unknwon 2016-07-26 10:47:25 +08:00
parent 452aefd025
commit 4d8b905541
5 changed files with 61 additions and 63 deletions
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2
README.md
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@ -3,7 +3,7 @@ Gogs - Go Git Service [![Build Status](https://travis-ci.org/gogits/gogs.svg?bra
![](https://github.com/gogits/gogs/blob/master/public/img/gogs-large-resize.png?raw=true)
##### Current tip version: 0.9.55 (see [Releases](https://github.com/gogits/gogs/releases) for binary versions)
##### Current tip version: 0.9.56 (see [Releases](https://github.com/gogits/gogs/releases) for binary versions)
| Web | UI | Preview |
|:-------------:|:-------:|:-------:|

2
gogs.go
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@ -17,7 +17,7 @@ import (
"github.com/gogits/gogs/modules/setting"
)
const APP_VER = "0.9.55.0726"
const APP_VER = "0.9.56.0726"
func init() {
runtime.GOMAXPROCS(runtime.NumCPU())

116
models/ssh_key.go
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@ -30,11 +30,10 @@ import (
)
const (
// "### autogenerated by gitgos, DO NOT EDIT\n"
_TPL_PUBLICK_KEY = `command="%s serv key-%d --config='%s'",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty %s` + "\n"
)
var sshOpLocker = sync.Mutex{}
var sshOpLocker sync.Mutex
type KeyType int
@ -43,7 +42,7 @@ const (
KEY_TYPE_DEPLOY
)
// PublicKey represents a SSH or deploy key.
// PublicKey represents a user or deploy SSH public key.
type PublicKey struct {
ID int64 `xorm:"pk autoincr"`
OwnerID int64 `xorm:"INDEX NOT NULL"`
@ -80,45 +79,44 @@ func (k *PublicKey) AfterSet(colName string, _ xorm.Cell) {
}
}
// OmitEmail returns content of public key but without e-mail address.
// OmitEmail returns content of public key without email address.
func (k *PublicKey) OmitEmail() string {
return strings.Join(strings.Split(k.Content, " ")[:2], " ")
}
// GetAuthorizedString generates and returns formatted public key string for authorized_keys file.
func (key *PublicKey) GetAuthorizedString() string {
// AuthorizedString returns formatted public key string for authorized_keys file.
func (key *PublicKey) AuthorizedString() string {
return fmt.Sprintf(_TPL_PUBLICK_KEY, setting.AppPath, key.ID, setting.CustomConf, key.Content)
}
func extractTypeFromBase64Key(key string) (string, error) {
b, err := base64.StdEncoding.DecodeString(key)
if err != nil || len(b) < 4 {
return "", fmt.Errorf("Invalid key format: %v", err)
return "", fmt.Errorf("invalid key format: %v", err)
}
keyLength := int(binary.BigEndian.Uint32(b))
if len(b) < 4+keyLength {
return "", fmt.Errorf("Invalid key format: not enough length")
return "", fmt.Errorf("invalid key format: not enough length %d", keyLength)
}
return string(b[4 : 4+keyLength]), nil
}
// parseKeyString parses any key string in OpenSSH or SSH2 format to clean OpenSSH string (RFC4253)
// parseKeyString parses any key string in OpenSSH or SSH2 format to clean OpenSSH string (RFC4253).
func parseKeyString(content string) (string, error) {
// Transform all legal line endings to a single "\n"
s := strings.Replace(strings.Replace(strings.TrimSpace(content), "\r\n", "\n", -1), "\r", "\n", -1)
lines := strings.Split(s, "\n")
// Transform all legal line endings to a single "\n".
content = strings.NewReplacer("\r\n", "\n", "\r", "\n").Replace(content)
lines := strings.Split(content, "\n")
var keyType, keyContent, keyComment string
if len(lines) == 1 {
// Parse openssh format
// Parse OpenSSH format.
parts := strings.SplitN(lines[0], " ", 3)
switch len(parts) {
case 0:
return "", errors.New("Empty key")
return "", errors.New("empty key")
case 1:
keyContent = parts[0]
case 2:
@ -130,17 +128,15 @@ func parseKeyString(content string) (string, error) {
keyComment = parts[2]
}
// If keyType is not given, extract it from content. If given, validate it
// If keyType is not given, extract it from content. If given, validate it.
t, err := extractTypeFromBase64Key(keyContent)
if err != nil {
return "", fmt.Errorf("extractTypeFromBase64Key: %v", err)
}
if len(keyType) == 0 {
if t, err := extractTypeFromBase64Key(keyContent); err == nil {
keyType = t
} else {
return "", err
}
} else {
if t, err := extractTypeFromBase64Key(keyContent); err != nil || keyType != t {
return "", err
}
keyType = t
} else if keyType != t {
return "", fmt.Errorf("key type and content does not match: %s - %s", keyType, t)
}
} else {
// Parse SSH2 file format.
@ -158,11 +154,11 @@ func parseKeyString(content string) (string, error) {
}
}
if t, err := extractTypeFromBase64Key(keyContent); err == nil {
keyType = t
} else {
return "", err
t, err := extractTypeFromBase64Key(keyContent)
if err != nil {
return "", fmt.Errorf("extractTypeFromBase64Key: %v", err)
}
keyType = t
}
return keyType + " " + keyContent + " " + keyComment, nil
}
@ -177,7 +173,7 @@ func writeTmpKeyFile(content string) (string, error) {
defer tmpFile.Close()
if _, err = tmpFile.WriteString(content); err != nil {
return "", fmt.Errorf("tmpFile.WriteString: %v", err)
return "", fmt.Errorf("WriteString: %v", err)
}
return tmpFile.Name(), nil
}
@ -197,7 +193,7 @@ func SSHKeyGenParsePublicKey(key string) (string, int, error) {
stdout, stderr, err := process.Exec("SSHKeyGenParsePublicKey", setting.SSH.KeygenPath, "-lf", tmpName)
if err != nil {
return "", 0, fmt.Errorf("Fail to parse public key: %s - %s", err, stderr)
return "", 0, fmt.Errorf("fail to parse public key: %s - %s", err, stderr)
}
if strings.Contains(stdout, "is not a public key file") {
return "", 0, ErrKeyUnableVerify{stdout}
@ -205,7 +201,7 @@ func SSHKeyGenParsePublicKey(key string) (string, int, error) {
fields := strings.Split(stdout, " ")
if len(fields) < 4 {
return "", 0, fmt.Errorf("Invalid public key line: %s", stdout)
return "", 0, fmt.Errorf("invalid public key line: %s", stdout)
}
keyType := strings.Trim(fields[len(fields)-1], "()\r\n")
@ -230,7 +226,7 @@ func SSHNativeParsePublicKey(keyLine string) (string, int, error) {
if strings.Contains(err.Error(), "ssh: unknown key algorithm") {
return "", 0, ErrKeyUnableVerify{err.Error()}
}
return "", 0, fmt.Errorf("ssh.ParsePublicKey: %v", err)
return "", 0, fmt.Errorf("ParsePublicKey: %v", err)
}
// The ssh library can parse the key, so next we find out what key exactly we have.
@ -262,15 +258,14 @@ func SSHNativeParsePublicKey(keyLine string) (string, int, error) {
return "ecdsa", 384, nil
case ssh.KeyAlgoECDSA521:
return "ecdsa", 521, nil
case "ssh-ed25519": // TODO replace with ssh constant when available
case "ssh-ed25519": // TODO: replace with ssh constant when available
return "ed25519", 256, nil
}
return "", 0, fmt.Errorf("Unsupported key length detection for type: %s", pkey.Type())
return "", 0, fmt.Errorf("unsupported key length detection for type: %s", pkey.Type())
}
// CheckPublicKeyString checks if the given public key string is recognized by SSH.
//
// The function returns the actual public key line on success.
// It returns the actual public key line on success.
func CheckPublicKeyString(content string) (_ string, err error) {
if setting.SSH.Disabled {
return "", errors.New("SSH is disabled")
@ -290,16 +285,19 @@ func CheckPublicKeyString(content string) (_ string, err error) {
content = strings.TrimSpace(content)
var (
fnName string
keyType string
length int
)
if setting.SSH.StartBuiltinServer {
fnName = "SSHNativeParsePublicKey"
keyType, length, err = SSHNativeParsePublicKey(content)
} else {
fnName = "SSHKeyGenParsePublicKey"
keyType, length, err = SSHKeyGenParsePublicKey(content)
}
if err != nil {
return "", fmt.Errorf("ParsePublicKey: %v", err)
return "", fmt.Errorf("%s: %v", fnName, err)
}
log.Trace("Key info [native: %v]: %s-%d", setting.SSH.StartBuiltinServer, keyType, length)
@ -309,13 +307,13 @@ func CheckPublicKeyString(content string) (_ string, err error) {
if minLen, found := setting.SSH.MinimumKeySizes[keyType]; found && length >= minLen {
return content, nil
} else if found && length < minLen {
return "", fmt.Errorf("Key length is not enough: got %d, needs %d", length, minLen)
return "", fmt.Errorf("key length is not enough: got %d, needs %d", length, minLen)
}
return "", fmt.Errorf("Key type is not allowed: %s", keyType)
return "", fmt.Errorf("key type is not allowed: %s", keyType)
}
// saveAuthorizedKeyFile writes SSH key content to authorized_keys file.
func saveAuthorizedKeyFile(keys ...*PublicKey) error {
// appendAuthorizedKeysToFile appends new SSH keys' content to authorized_keys file.
func appendAuthorizedKeysToFile(keys ...*PublicKey) error {
sshOpLocker.Lock()
defer sshOpLocker.Unlock()
@ -326,13 +324,13 @@ func saveAuthorizedKeyFile(keys ...*PublicKey) error {
}
defer f.Close()
fi, err := f.Stat()
if err != nil {
return err
}
// FIXME: following command does not support in Windows.
// Note: chmod command does not support in Windows.
if !setting.IsWindows {
fi, err := f.Stat()
if err != nil {
return err
}
// .ssh directory should have mode 700, and authorized_keys file should have mode 600.
if fi.Mode().Perm() > 0600 {
log.Error(4, "authorized_keys file has unusual permission flags: %s - setting to -rw-------", fi.Mode().Perm().String())
@ -343,7 +341,7 @@ func saveAuthorizedKeyFile(keys ...*PublicKey) error {
}
for _, key := range keys {
if _, err = f.WriteString(key.GetAuthorizedString()); err != nil {
if _, err = f.WriteString(key.AuthorizedString()); err != nil {
return err
}
}
@ -390,7 +388,7 @@ func addKey(e Engine, key *PublicKey) (err error) {
if setting.SSH.StartBuiltinServer {
return nil
}
return saveAuthorizedKeyFile(key)
return appendAuthorizedKeysToFile(key)
}
// AddPublicKey adds new public key to database and authorized_keys file.
@ -401,7 +399,7 @@ func AddPublicKey(ownerID int64, name, content string) (*PublicKey, error) {
}
// Key name of same user cannot be duplicated.
has, err := x.Where("owner_id=? AND name=?", ownerID, name).Get(new(PublicKey))
has, err := x.Where("owner_id = ? AND name = ?", ownerID, name).Get(new(PublicKey))
if err != nil {
return nil, err
} else if has {
@ -456,7 +454,7 @@ func SearchPublicKeyByContent(content string) (*PublicKey, error) {
// ListPublicKeys returns a list of public keys belongs to given user.
func ListPublicKeys(uid int64) ([]*PublicKey, error) {
keys := make([]*PublicKey, 0, 5)
return keys, x.Where("owner_id=?", uid).Find(&keys)
return keys, x.Where("owner_id = ?", uid).Find(&keys)
}
// rewriteAuthorizedKeys finds and deletes corresponding line in authorized_keys file.
@ -593,7 +591,7 @@ func RewriteAllPublicKeys() error {
defer os.Remove(tmpPath)
err = x.Iterate(new(PublicKey), func(idx int, bean interface{}) (err error) {
_, err = f.WriteString((bean.(*PublicKey)).GetAuthorizedString())
_, err = f.WriteString((bean.(*PublicKey)).AuthorizedString())
return err
})
f.Close()
@ -668,14 +666,14 @@ func (k *DeployKey) GetContent() error {
func checkDeployKey(e Engine, keyID, repoID int64, name string) error {
// Note: We want error detail, not just true or false here.
has, err := e.Where("key_id=? AND repo_id=?", keyID, repoID).Get(new(DeployKey))
has, err := e.Where("key_id = ? AND repo_id = ?", keyID, repoID).Get(new(DeployKey))
if err != nil {
return err
} else if has {
return ErrDeployKeyAlreadyExist{keyID, repoID}
}
has, err = e.Where("repo_id=? AND name=?", repoID, name).Get(new(DeployKey))
has, err = e.Where("repo_id = ? AND name = ?", repoID, name).Get(new(DeployKey))
if err != nil {
return err
} else if has {
@ -703,7 +701,7 @@ func addDeployKey(e *xorm.Session, keyID, repoID int64, name, fingerprint string
// HasDeployKey returns true if public key is a deploy key of given repository.
func HasDeployKey(keyID, repoID int64) bool {
has, _ := x.Where("key_id=? AND repo_id=?", keyID, repoID).Get(new(DeployKey))
has, _ := x.Where("key_id = ? AND repo_id = ?", keyID, repoID).Get(new(DeployKey))
return has
}
@ -808,11 +806,11 @@ func DeleteDeployKey(doer *User, id int64) error {
}
if _, err = sess.Id(key.ID).Delete(new(DeployKey)); err != nil {
return fmt.Errorf("delete deploy key[%d]: %v", key.ID, err)
return fmt.Errorf("delete deploy key [%d]: %v", key.ID, err)
}
// Check if this is the last reference to same key content.
has, err := sess.Where("key_id=?", key.KeyID).Get(new(DeployKey))
has, err := sess.Where("key_id = ?", key.KeyID).Get(new(DeployKey))
if err != nil {
return err
} else if !has {
@ -827,5 +825,5 @@ func DeleteDeployKey(doer *User, id int64) error {
// ListDeployKeys returns all deploy keys by given repository ID.
func ListDeployKeys(repoID int64) ([]*DeployKey, error) {
keys := make([]*DeployKey, 0, 5)
return keys, x.Where("repo_id=?", repoID).Find(&keys)
return keys, x.Where("repo_id = ?", repoID).Find(&keys)
}

2
public/js/gogs.js
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@ -412,7 +412,7 @@ function initRepository() {
"_csrf": csrf
}).success(function() {
$('#' + $this.data('comment-id')).remove();
})
});
}
return false;
});

2
templates/.VERSION
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@ -1 +1 @@
0.9.55.0726
0.9.56.0726