Files
argo-cd/util/localconfig/localconfig.go
2025-06-13 13:43:16 -04:00

336 lines
8.4 KiB
Go

package localconfig
import (
"errors"
"fmt"
"os"
"path"
"strings"
"github.com/golang-jwt/jwt/v5"
"github.com/argoproj/argo-cd/v3/util/config"
)
// LocalConfig is a local Argo CD config file
type LocalConfig struct {
CurrentContext string `json:"current-context"`
Contexts []ContextRef `json:"contexts"`
Servers []Server `json:"servers"`
Users []User `json:"users"`
PromptsEnabled bool `json:"prompts-enabled"`
}
// ContextRef is a reference to a Server and User for an API client
type ContextRef struct {
Name string `json:"name"`
Server string `json:"server"`
User string `json:"user"`
}
// Context is the resolved Server and User objects resolved
type Context struct {
Name string
Server Server
User User
}
// Server contains Argo CD server information
type Server struct {
// Server is the Argo CD server address
Server string `json:"server"`
// Insecure indicates to connect to the server over TLS insecurely
Insecure bool `json:"insecure,omitempty"`
// GRPCWeb indicates to connect to the server using gRPC Web protocol
GRPCWeb bool `json:"grpc-web,omitempty"`
// GRPCWebRootPath indicates to connect to the server using gRPC Web protocol with this root path
GRPCWebRootPath string `json:"grpc-web-root-path"`
// CACertificateAuthorityData is the base64 string of a PEM encoded certificate
// TODO: not yet implemented
CACertificateAuthorityData string `json:"certificate-authority-data,omitempty"`
// ClientCertificateData is the base64 string of a PEM encoded certificate used to authenticate the client
ClientCertificateData string `json:"client-certificate-data,omitempty"`
// ClientCertificateKeyData is the base64 string of a PEM encoded private key of the client certificate
ClientCertificateKeyData string `json:"client-certificate-key-data,omitempty"`
// PlainText indicates to connect with TLS disabled
PlainText bool `json:"plain-text,omitempty"`
// Core indicates to talk to Kubernetes API without using Argo CD API server
Core bool `json:"core,omitempty"`
}
// User contains user authentication information
type User struct {
Name string `json:"name"`
AuthToken string `json:"auth-token,omitempty"`
RefreshToken string `json:"refresh-token,omitempty"`
}
// Claims returns the standard claims from the JWT claims
func (u *User) Claims() (*jwt.RegisteredClaims, error) {
parser := jwt.NewParser(jwt.WithoutClaimsValidation())
claims := jwt.RegisteredClaims{}
_, _, err := parser.ParseUnverified(u.AuthToken, &claims)
if err != nil {
return nil, err
}
return &claims, nil
}
// ReadLocalConfig loads up the local configuration file. Returns nil if config does not exist
func ReadLocalConfig(path string) (*LocalConfig, error) {
var err error
var localconfig LocalConfig
// check file permission only when argocd config exists
if fi, err := os.Stat(path); err == nil {
err = getFilePermission(fi)
if err != nil {
return nil, err
}
}
err = config.UnmarshalLocalFile(path, &localconfig)
if os.IsNotExist(err) {
return nil, nil
}
err = ValidateLocalConfig(localconfig)
if err != nil {
return nil, err
}
return &localconfig, nil
}
func ValidateLocalConfig(config LocalConfig) error {
if config.CurrentContext == "" {
return nil
}
if _, err := config.ResolveContext(config.CurrentContext); err != nil {
return fmt.Errorf("local config invalid: %w", err)
}
return nil
}
// WriteLocalConfig writes a new local configuration file.
func WriteLocalConfig(localconfig LocalConfig, configPath string) error {
err := os.MkdirAll(path.Dir(configPath), os.ModePerm)
if err != nil {
return err
}
return config.MarshalLocalYAMLFile(configPath, localconfig)
}
func DeleteLocalConfig(configPath string) error {
_, err := os.Stat(configPath)
if os.IsNotExist(err) {
return err
}
return os.Remove(configPath)
}
// ResolveContext resolves the specified context. If unspecified, resolves the current context
func (l *LocalConfig) ResolveContext(name string) (*Context, error) {
if name == "" {
if l.CurrentContext == "" {
return nil, errors.New("local config: current-context unset")
}
name = l.CurrentContext
}
for _, ctx := range l.Contexts {
if ctx.Name != name {
continue
}
server, err := l.GetServer(ctx.Server)
if err != nil {
return nil, err
}
user, err := l.GetUser(ctx.User)
if err != nil {
return nil, err
}
return &Context{
Name: ctx.Name,
Server: *server,
User: *user,
}, nil
}
return nil, fmt.Errorf("Context '%s' undefined", name)
}
func (l *LocalConfig) GetServer(name string) (*Server, error) {
for _, s := range l.Servers {
if s.Server == name {
return &s, nil
}
}
return nil, fmt.Errorf("Server '%s' undefined", name)
}
func (l *LocalConfig) UpsertServer(server Server) {
for i, s := range l.Servers {
if s.Server == server.Server {
l.Servers[i] = server
return
}
}
l.Servers = append(l.Servers, server)
}
// Returns true if server was removed successfully
func (l *LocalConfig) RemoveServer(serverName string) bool {
for i, s := range l.Servers {
if s.Server == serverName {
l.Servers = append(l.Servers[:i], l.Servers[i+1:]...)
return true
}
}
return false
}
func (l *LocalConfig) GetUser(name string) (*User, error) {
for _, u := range l.Users {
if u.Name == name {
return &u, nil
}
}
return nil, fmt.Errorf("User '%s' undefined", name)
}
func (l *LocalConfig) UpsertUser(user User) {
for i, u := range l.Users {
if u.Name == user.Name {
l.Users[i] = user
return
}
}
l.Users = append(l.Users, user)
}
// Returns true if user was removed successfully
func (l *LocalConfig) RemoveUser(serverName string) bool {
for i, u := range l.Users {
if u.Name == serverName {
l.Users = append(l.Users[:i], l.Users[i+1:]...)
return true
}
}
return false
}
// Returns true if user was removed successfully
func (l *LocalConfig) RemoveToken(serverName string) bool {
for i, u := range l.Users {
if u.Name == serverName {
l.Users[i].RefreshToken = ""
l.Users[i].AuthToken = ""
return true
}
}
return false
}
func (l *LocalConfig) UpsertContext(context ContextRef) {
for i, c := range l.Contexts {
if c.Name == context.Name {
l.Contexts[i] = context
return
}
}
l.Contexts = append(l.Contexts, context)
}
// Returns true if context was removed successfully
func (l *LocalConfig) RemoveContext(serverName string) (string, bool) {
for i, c := range l.Contexts {
if c.Name == serverName {
l.Contexts = append(l.Contexts[:i], l.Contexts[i+1:]...)
return c.Server, true
}
}
return "", false
}
func (l *LocalConfig) IsEmpty() bool {
return len(l.Servers) == 0
}
// DefaultConfigDir returns the local configuration path for settings such as cached authentication tokens.
func DefaultConfigDir() (string, error) {
// Manually defined config directory
configDir := os.Getenv("ARGOCD_CONFIG_DIR")
if configDir != "" {
return configDir, nil
}
homeDir, err := getHomeDir()
if err != nil {
return "", err
}
// Legacy config directory
// Use it if it already exists
legacyConfigDir := path.Join(homeDir, ".argocd")
if _, err := os.Stat(legacyConfigDir); err == nil {
return legacyConfigDir, nil
}
// Manually configured XDG config home
if xdgConfigHome := os.Getenv("XDG_CONFIG_HOME"); xdgConfigHome != "" {
return path.Join(xdgConfigHome, "argocd"), nil
}
// XDG config home fallback
return path.Join(homeDir, ".config", "argocd"), nil
}
func getHomeDir() (string, error) {
homeDir, err := os.UserHomeDir()
if err != nil {
return "", err
}
return homeDir, nil
}
// DefaultLocalConfigPath returns the local configuration path for settings such as cached authentication tokens.
func DefaultLocalConfigPath() (string, error) {
dir, err := DefaultConfigDir()
if err != nil {
return "", err
}
return path.Join(dir, "config"), nil
}
// Get username from subject in a claim
func GetUsername(subject string) string {
parts := strings.Split(subject, ":")
if len(parts) > 0 {
return parts[0]
}
return subject
}
func GetPromptsEnabled(useCLIOpts bool) bool {
if useCLIOpts {
forcePromptsEnabled := config.GetFlag("prompts-enabled", "")
if forcePromptsEnabled != "" {
return forcePromptsEnabled == "true"
}
}
defaultLocalConfigPath, err := DefaultLocalConfigPath()
if err != nil {
return false
}
localConfigPath := config.GetFlag("config", defaultLocalConfigPath)
localConfig, err := ReadLocalConfig(localConfigPath)
if localConfig == nil || err != nil {
return false
}
return localConfig.PromptsEnabled
}