mcias/cmd/mcias-client/database.go

138 lines
3.5 KiB
Go

package main
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"time"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
type DatabaseCredentials struct {
Host string `json:"host"`
Port int `json:"port"`
Name string `json:"name"`
User string `json:"user"`
Password string `json:"password"`
}
var (
dbUsername string
dbToken string
useStored bool
)
var databaseCmd = &cobra.Command{
Use: "database",
Short: "Manage database credentials",
Long: `Commands for managing database credentials in the MCIAS system.`,
}
var getCredentialsCmd = &cobra.Command{
Use: "credentials",
Short: "Get database credentials",
Long: `Retrieve database credentials from the MCIAS system.
This command requires authentication with a username and token.`,
Run: func(cmd *cobra.Command, args []string) {
getCredentials()
},
}
func init() {
rootCmd.AddCommand(databaseCmd)
databaseCmd.AddCommand(getCredentialsCmd)
getCredentialsCmd.Flags().StringVarP(&dbUsername, "username", "u", "", "Username for authentication")
getCredentialsCmd.Flags().StringVarP(&dbToken, "token", "t", "", "Authentication token")
getCredentialsCmd.Flags().BoolVarP(&useStored, "use-stored", "s", false, "Use stored token from previous login")
// Make username required only if not using stored token
getCredentialsCmd.MarkFlagsMutuallyExclusive("token", "use-stored")
}
func getCredentials() {
// If using stored token, load it from the token file
if useStored {
tokenInfo, err := loadToken()
if err != nil {
fmt.Fprintf(os.Stderr, "Error loading token: %v\n", err)
os.Exit(1)
}
dbUsername = tokenInfo.Username
dbToken = tokenInfo.Token
}
// Validate required parameters
if dbUsername == "" {
fmt.Fprintf(os.Stderr, "Error: username is required\n")
os.Exit(1)
}
if dbToken == "" {
fmt.Fprintf(os.Stderr, "Error: token is required (either provide --token or use --use-stored)\n")
os.Exit(1)
}
serverAddr := viper.GetString("server")
if serverAddr == "" {
serverAddr = "http://localhost:8080"
}
url := fmt.Sprintf("%s/v1/database/credentials?username=%s", serverAddr, dbUsername)
// Create a context with timeout
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to create request: %v\n", err)
os.Exit(1)
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", dbToken))
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to send request: %v\n", err)
os.Exit(1)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to read response: %v\n", err)
os.Exit(1)
}
if resp.StatusCode != http.StatusOK {
var errResp ErrorResponse
if unmarshalErr := json.Unmarshal(body, &errResp); unmarshalErr == nil {
fmt.Fprintf(os.Stderr, "Error: %s\n", errResp.Error)
} else {
fmt.Fprintf(os.Stderr, "Error: %s\n", resp.Status)
}
os.Exit(1)
}
var creds DatabaseCredentials
if unmarshalErr := json.Unmarshal(body, &creds); unmarshalErr != nil {
fmt.Fprintf(os.Stderr, "Failed to parse response: %v\n", unmarshalErr)
os.Exit(1)
}
fmt.Println("Database Credentials:")
fmt.Printf("Host: %s\n", creds.Host)
fmt.Printf("Port: %d\n", creds.Port)
fmt.Printf("Name: %s\n", creds.Name)
fmt.Printf("User: %s\n", creds.User)
fmt.Printf("Password: %s\n", creds.Password)
}