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@@ -21,6 +21,7 @@ import (
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"time"
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"github.com/Unknwon/com"
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"github.com/go-xorm/xorm"
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"github.com/gogits/gogs/modules/log"
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"github.com/gogits/gogs/modules/process"
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@@ -33,8 +34,6 @@ const (
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)
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var (
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ErrKeyAlreadyExist = errors.New("Public key already exists")
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ErrKeyNotExist = errors.New("Public key does not exist")
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ErrKeyUnableVerify = errors.New("Unable to verify public key")
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)
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@@ -78,17 +77,34 @@ func init() {
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}
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}
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// PublicKey represents a SSH key.
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type KeyType int
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const (
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KEY_TYPE_USER = iota + 1
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KEY_TYPE_DEPLOY
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)
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// PublicKey represents a SSH or deploy key.
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type PublicKey struct {
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Id int64
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OwnerId int64 `xorm:"UNIQUE(s) INDEX NOT NULL"`
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Name string `xorm:"UNIQUE(s) NOT NULL"`
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Fingerprint string `xorm:"INDEX NOT NULL"`
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Content string `xorm:"TEXT NOT NULL"`
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Created time.Time `xorm:"CREATED"`
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Updated time.Time
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HasRecentActivity bool `xorm:"-"`
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HasUsed bool `xorm:"-"`
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ID int64 `xorm:"pk autoincr"`
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OwnerID int64 `xorm:"INDEX NOT NULL"`
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Name string `xorm:"NOT NULL"`
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Fingerprint string `xorm:"NOT NULL"`
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Content string `xorm:"UNIQUE TEXT NOT NULL"`
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Mode AccessMode `xorm:"NOT NULL DEFAULT 2"`
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Type KeyType `xorm:"NOT NULL DEFAULT 1"`
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Created time.Time `xorm:"CREATED"`
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Updated time.Time // Note: Updated must below Created for AfterSet.
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HasRecentActivity bool `xorm:"-"`
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HasUsed bool `xorm:"-"`
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}
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func (k *PublicKey) AfterSet(colName string, _ xorm.Cell) {
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switch colName {
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case "created":
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k.HasUsed = k.Updated.After(k.Created)
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k.HasRecentActivity = k.Updated.Add(7 * 24 * time.Hour).After(time.Now())
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}
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}
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// OmitEmail returns content of public key but without e-mail address.
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@@ -98,7 +114,7 @@ func (k *PublicKey) OmitEmail() string {
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// GetAuthorizedString generates and returns formatted public key string for authorized_keys file.
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func (key *PublicKey) GetAuthorizedString() string {
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return fmt.Sprintf(_TPL_PUBLICK_KEY, appPath, key.Id, setting.CustomConf, key.Content)
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return fmt.Sprintf(_TPL_PUBLICK_KEY, appPath, key.ID, setting.CustomConf, key.Content)
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}
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var minimumKeySizes = map[string]int{
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@@ -126,8 +142,8 @@ func extractTypeFromBase64Key(key string) (string, error) {
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return string(b[4 : 4+keyLength]), nil
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}
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// Parse any key string in openssh or ssh2 format to clean openssh string (rfc4253)
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func ParseKeyString(content string) (string, error) {
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// parseKeyString parses any key string in openssh or ssh2 format to clean openssh string (rfc4253)
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func parseKeyString(content string) (string, error) {
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// Transform all legal line endings to a single "\n"
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s := strings.Replace(strings.Replace(strings.TrimSpace(content), "\r\n", "\n", -1), "\r", "\n", -1)
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@@ -190,16 +206,21 @@ func ParseKeyString(content string) (string, error) {
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}
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// CheckPublicKeyString checks if the given public key string is recognized by SSH.
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func CheckPublicKeyString(content string) (bool, error) {
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func CheckPublicKeyString(content string) (_ string, err error) {
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content, err = parseKeyString(content)
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if err != nil {
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return "", err
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}
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content = strings.TrimRight(content, "\n\r")
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if strings.ContainsAny(content, "\n\r") {
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return false, errors.New("only a single line with a single key please")
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return "", errors.New("only a single line with a single key please")
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}
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// write the key to a file…
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tmpFile, err := ioutil.TempFile(os.TempDir(), "keytest")
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if err != nil {
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return false, err
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return "", err
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}
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tmpPath := tmpFile.Name()
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defer os.Remove(tmpPath)
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@@ -209,37 +230,36 @@ func CheckPublicKeyString(content string) (bool, error) {
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// Check if ssh-keygen recognizes its contents.
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stdout, stderr, err := process.Exec("CheckPublicKeyString", "ssh-keygen", "-l", "-f", tmpPath)
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if err != nil {
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return false, errors.New("ssh-keygen -l -f: " + stderr)
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return "", errors.New("ssh-keygen -l -f: " + stderr)
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} else if len(stdout) < 2 {
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return false, errors.New("ssh-keygen returned not enough output to evaluate the key: " + stdout)
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return "", errors.New("ssh-keygen returned not enough output to evaluate the key: " + stdout)
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}
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// The ssh-keygen in Windows does not print key type, so no need go further.
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if setting.IsWindows {
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return true, nil
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return content, nil
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}
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fmt.Println(stdout)
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sshKeygenOutput := strings.Split(stdout, " ")
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if len(sshKeygenOutput) < 4 {
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return false, ErrKeyUnableVerify
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return content, ErrKeyUnableVerify
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}
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// Check if key type and key size match.
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if !setting.Service.DisableMinimumKeySizeCheck {
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keySize := com.StrTo(sshKeygenOutput[0]).MustInt()
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if keySize == 0 {
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return false, errors.New("cannot get key size of the given key")
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return "", errors.New("cannot get key size of the given key")
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}
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keyType := strings.TrimSpace(sshKeygenOutput[len(sshKeygenOutput)-1])
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if minimumKeySize := minimumKeySizes[keyType]; minimumKeySize == 0 {
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return false, errors.New("sorry, unrecognized public key type")
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return "", errors.New("sorry, unrecognized public key type")
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} else if keySize < minimumKeySize {
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return false, fmt.Errorf("the minimum accepted size of a public key %s is %d", keyType, minimumKeySize)
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return "", fmt.Errorf("the minimum accepted size of a public key %s is %d", keyType, minimumKeySize)
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}
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}
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return true, nil
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return content, nil
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}
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// saveAuthorizedKeyFile writes SSH key content to authorized_keys file.
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@@ -278,20 +298,23 @@ func saveAuthorizedKeyFile(keys ...*PublicKey) error {
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return nil
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}
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// AddPublicKey adds new public key to database and authorized_keys file.
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func AddPublicKey(key *PublicKey) (err error) {
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has, err := x.Get(key)
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func checkKeyContent(content string) error {
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// Same key can only be added once.
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has, err := x.Where("content=?", content).Get(new(PublicKey))
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if err != nil {
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return err
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} else if has {
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return ErrKeyAlreadyExist
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return ErrKeyAlreadyExist{0, content}
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}
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return nil
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}
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func addKey(e Engine, key *PublicKey) (err error) {
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// Calculate fingerprint.
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tmpPath := strings.Replace(path.Join(os.TempDir(), fmt.Sprintf("%d", time.Now().Nanosecond()),
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"id_rsa.pub"), "\\", "/", -1)
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os.MkdirAll(path.Dir(tmpPath), os.ModePerm)
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if err = ioutil.WriteFile(tmpPath, []byte(key.Content), os.ModePerm); err != nil {
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if err = ioutil.WriteFile(tmpPath, []byte(key.Content), 0644); err != nil {
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return err
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}
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stdout, stderr, err := process.Exec("AddPublicKey", "ssh-keygen", "-l", "-f", tmpPath)
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@@ -301,32 +324,56 @@ func AddPublicKey(key *PublicKey) (err error) {
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return errors.New("not enough output for calculating fingerprint: " + stdout)
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}
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key.Fingerprint = strings.Split(stdout, " ")[1]
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if has, err := x.Get(&PublicKey{Fingerprint: key.Fingerprint}); err == nil && has {
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return ErrKeyAlreadyExist
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}
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// Save SSH key.
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if _, err = x.Insert(key); err != nil {
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if _, err = e.Insert(key); err != nil {
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return err
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} else if err = saveAuthorizedKeyFile(key); err != nil {
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// Roll back.
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if _, err2 := x.Delete(key); err2 != nil {
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return err2
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}
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}
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return saveAuthorizedKeyFile(key)
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}
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// AddPublicKey adds new public key to database and authorized_keys file.
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func AddPublicKey(ownerID int64, name, content string) (err error) {
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if err = checkKeyContent(content); err != nil {
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return err
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}
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return nil
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// Key name of same user cannot be duplicated.
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has, err := x.Where("owner_id=? AND name=?", ownerID, name).Get(new(PublicKey))
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if err != nil {
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return err
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} else if has {
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return ErrKeyNameAlreadyUsed{ownerID, name}
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}
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sess := x.NewSession()
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defer sessionRelease(sess)
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if err = sess.Begin(); err != nil {
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return err
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}
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key := &PublicKey{
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OwnerID: ownerID,
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Name: name,
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Content: content,
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Mode: ACCESS_MODE_WRITE,
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Type: KEY_TYPE_USER,
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}
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if err = addKey(sess, key); err != nil {
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return fmt.Errorf("addKey: %v", err)
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}
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return sess.Commit()
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}
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// GetPublicKeyById returns public key by given ID.
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func GetPublicKeyById(keyId int64) (*PublicKey, error) {
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// GetPublicKeyByID returns public key by given ID.
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func GetPublicKeyByID(keyID int64) (*PublicKey, error) {
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key := new(PublicKey)
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has, err := x.Id(keyId).Get(key)
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has, err := x.Id(keyID).Get(key)
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if err != nil {
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return nil, err
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} else if !has {
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return nil, ErrKeyNotExist
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return nil, ErrKeyNotExist{keyID}
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}
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return key, nil
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}
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@@ -334,16 +381,7 @@ func GetPublicKeyById(keyId int64) (*PublicKey, error) {
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// ListPublicKeys returns a list of public keys belongs to given user.
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func ListPublicKeys(uid int64) ([]*PublicKey, error) {
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keys := make([]*PublicKey, 0, 5)
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err := x.Where("owner_id=?", uid).Find(&keys)
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if err != nil {
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return nil, err
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}
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for _, key := range keys {
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key.HasUsed = key.Updated.After(key.Created)
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key.HasRecentActivity = key.Updated.Add(7 * 24 * time.Hour).After(time.Now())
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}
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return keys, nil
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return keys, x.Where("owner_id=?", uid).Find(&keys)
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}
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// rewriteAuthorizedKeys finds and deletes corresponding line in authorized_keys file.
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@@ -364,7 +402,7 @@ func rewriteAuthorizedKeys(key *PublicKey, p, tmpP string) error {
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defer fw.Close()
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isFound := false
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keyword := fmt.Sprintf("key-%d", key.Id)
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keyword := fmt.Sprintf("key-%d", key.ID)
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buf := bufio.NewReader(fr)
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for {
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line, errRead := buf.ReadString('\n')
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@@ -401,20 +439,19 @@ func rewriteAuthorizedKeys(key *PublicKey, p, tmpP string) error {
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// UpdatePublicKey updates given public key.
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func UpdatePublicKey(key *PublicKey) error {
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_, err := x.Id(key.Id).AllCols().Update(key)
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_, err := x.Id(key.ID).AllCols().Update(key)
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return err
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}
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// DeletePublicKey deletes SSH key information both in database and authorized_keys file.
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func DeletePublicKey(key *PublicKey) error {
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has, err := x.Get(key)
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func deletePublicKey(e *xorm.Session, key *PublicKey) error {
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has, err := e.Get(key)
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if err != nil {
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return err
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} else if !has {
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return ErrKeyNotExist
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return nil
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}
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if _, err = x.Delete(key); err != nil {
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if _, err = e.Id(key.ID).Delete(key); err != nil {
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return err
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}
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@@ -428,6 +465,21 @@ func DeletePublicKey(key *PublicKey) error {
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return os.Rename(tmpPath, fpath)
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}
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// DeletePublicKey deletes SSH key information both in database and authorized_keys file.
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func DeletePublicKey(key *PublicKey) (err error) {
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sess := x.NewSession()
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defer sessionRelease(sess)
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if err = sess.Begin(); err != nil {
|
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|
return err
|
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|
|
|
}
|
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|
|
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|
|
if err = deletePublicKey(sess, key); err != nil {
|
|
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|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
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|
return sess.Commit()
|
|
|
|
|
}
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|
|
|
|
// RewriteAllPublicKeys removes any authorized key and rewrite all keys from database again.
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|
|
func RewriteAllPublicKeys() error {
|
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|
|
sshOpLocker.Lock()
|
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|
|
@@ -461,3 +513,162 @@ func RewriteAllPublicKeys() error {
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|
return nil
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|
}
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|
// ________ .__ ____ __.
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|
|
// \______ \ ____ ______ | | ____ ___.__.| |/ _|____ ___.__.
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// | | \_/ __ \\____ \| | / _ < | || <_/ __ < | |
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// | ` \ ___/| |_> > |_( <_> )___ || | \ ___/\___ |
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|
|
// /_______ /\___ > __/|____/\____// ____||____|__ \___ > ____|
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|
// \/ \/|__| \/ \/ \/\/
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|
// DeployKey represents deploy key information and its relation with repository.
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|
|
type DeployKey struct {
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|
|
ID int64 `xorm:"pk autoincr"`
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|
|
KeyID int64 `xorm:"UNIQUE(s) INDEX"`
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|
|
RepoID int64 `xorm:"UNIQUE(s) INDEX"`
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|
|
Name string
|
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|
|
Fingerprint string
|
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|
|
Created time.Time `xorm:"CREATED"`
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|
|
Updated time.Time // Note: Updated must below Created for AfterSet.
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|
|
HasRecentActivity bool `xorm:"-"`
|
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|
|
HasUsed bool `xorm:"-"`
|
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|
|
}
|
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|
|
|
|
|
|
|
func (k *DeployKey) AfterSet(colName string, _ xorm.Cell) {
|
|
|
|
|
switch colName {
|
|
|
|
|
case "created":
|
|
|
|
|
k.HasUsed = k.Updated.After(k.Created)
|
|
|
|
|
k.HasRecentActivity = k.Updated.Add(7 * 24 * time.Hour).After(time.Now())
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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))
|
|
|
|
|
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))
|
|
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
} else if has {
|
|
|
|
|
return ErrDeployKeyNameAlreadyUsed{repoID, name}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// addDeployKey adds new key-repo relation.
|
|
|
|
|
func addDeployKey(e *xorm.Session, keyID, repoID int64, name, fingerprint string) (err error) {
|
|
|
|
|
if err = checkDeployKey(e, keyID, repoID, name); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
_, err = e.Insert(&DeployKey{
|
|
|
|
|
KeyID: keyID,
|
|
|
|
|
RepoID: repoID,
|
|
|
|
|
Name: name,
|
|
|
|
|
Fingerprint: fingerprint,
|
|
|
|
|
})
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 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))
|
|
|
|
|
return has
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// AddDeployKey add new deploy key to database and authorized_keys file.
|
|
|
|
|
func AddDeployKey(repoID int64, name, content string) (err error) {
|
|
|
|
|
if err = checkKeyContent(content); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
key := &PublicKey{
|
|
|
|
|
Content: content,
|
|
|
|
|
Mode: ACCESS_MODE_READ,
|
|
|
|
|
Type: KEY_TYPE_DEPLOY,
|
|
|
|
|
}
|
|
|
|
|
has, err := x.Get(key)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sess := x.NewSession()
|
|
|
|
|
defer sessionRelease(sess)
|
|
|
|
|
if err = sess.Begin(); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// First time use this deploy key.
|
|
|
|
|
if !has {
|
|
|
|
|
if err = addKey(sess, key); err != nil {
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err = addDeployKey(sess, key.ID, repoID, name, key.Fingerprint); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return sess.Commit()
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetDeployKeyByRepo returns deploy key by given public key ID and repository ID.
|
|
|
|
|
func GetDeployKeyByRepo(keyID, repoID int64) (*DeployKey, error) {
|
|
|
|
|
key := &DeployKey{
|
|
|
|
|
KeyID: keyID,
|
|
|
|
|
RepoID: repoID,
|
|
|
|
|
}
|
|
|
|
|
_, err := x.Get(key)
|
|
|
|
|
return key, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// UpdateDeployKey updates deploy key information.
|
|
|
|
|
func UpdateDeployKey(key *DeployKey) error {
|
|
|
|
|
_, err := x.Id(key.ID).AllCols().Update(key)
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// DeleteDeployKey deletes deploy key from its repository authorized_keys file if needed.
|
|
|
|
|
func DeleteDeployKey(id int64) error {
|
|
|
|
|
key := &DeployKey{ID: id}
|
|
|
|
|
has, err := x.Id(key.ID).Get(key)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
} else if !has {
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sess := x.NewSession()
|
|
|
|
|
defer sessionRelease(sess)
|
|
|
|
|
if err = sess.Begin(); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if _, err = sess.Id(key.ID).Delete(key); err != nil {
|
|
|
|
|
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))
|
|
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
} else if !has {
|
|
|
|
|
if err = deletePublicKey(sess, &PublicKey{ID: key.KeyID}); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return sess.Commit()
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 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)
|
|
|
|
|
}
|
|
|
|
|