515 lines
13 KiB
Go
515 lines
13 KiB
Go
package services
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import (
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"context"
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"crypto/tls"
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"crypto/x509"
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"errors"
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"fmt"
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"github.com/klauspost/compress/zip"
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"github.com/redis/go-redis/v9"
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"github.com/vrischmann/userdir"
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"github.com/wailsapp/wails/v2/pkg/runtime"
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"golang.org/x/crypto/ssh"
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"io"
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"net"
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"os"
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"path"
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"strings"
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"sync"
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"time"
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. "tinyrdm/backend/storage"
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"tinyrdm/backend/types"
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)
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type cmdHistoryItem struct {
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Timestamp int64 `json:"timestamp"`
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Server string `json:"server"`
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Cmd string `json:"cmd"`
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Cost int64 `json:"cost"`
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}
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type connectionService struct {
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ctx context.Context
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conns *ConnectionsStorage
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}
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var connection *connectionService
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var onceConnection sync.Once
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func Connection() *connectionService {
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if connection == nil {
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onceConnection.Do(func() {
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connection = &connectionService{
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conns: NewConnections(),
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}
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})
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}
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return connection
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}
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func (c *connectionService) Start(ctx context.Context) {
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c.ctx = ctx
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}
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func (c *connectionService) buildOption(config types.ConnectionConfig) (*redis.Options, error) {
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var sshClient *ssh.Client
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if config.SSH.Enable {
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sshConfig := &ssh.ClientConfig{
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User: config.SSH.Username,
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Auth: []ssh.AuthMethod{ssh.Password(config.SSH.Password)},
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HostKeyCallback: ssh.InsecureIgnoreHostKey(),
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Timeout: time.Duration(config.ConnTimeout) * time.Second,
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}
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switch config.SSH.LoginType {
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case "pwd":
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sshConfig.Auth = []ssh.AuthMethod{ssh.Password(config.SSH.Password)}
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case "pkfile":
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key, err := os.ReadFile(config.SSH.PKFile)
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if err != nil {
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return nil, err
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}
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var signer ssh.Signer
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if len(config.SSH.Passphrase) > 0 {
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signer, err = ssh.ParsePrivateKeyWithPassphrase(key, []byte(config.SSH.Passphrase))
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} else {
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signer, err = ssh.ParsePrivateKey(key)
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}
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if err != nil {
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return nil, err
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}
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sshConfig.Auth = []ssh.AuthMethod{ssh.PublicKeys(signer)}
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default:
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return nil, errors.New("invalid login type")
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}
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var err error
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sshClient, err = ssh.Dial("tcp", fmt.Sprintf("%s:%d", config.SSH.Addr, config.SSH.Port), sshConfig)
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if err != nil {
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return nil, err
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}
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}
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var tlsConfig *tls.Config
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if config.SSL.Enable {
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// setup tls config
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var certs []tls.Certificate
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if len(config.SSL.CertFile) > 0 && len(config.SSL.KeyFile) > 0 {
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if cert, err := tls.LoadX509KeyPair(config.SSL.CertFile, config.SSL.KeyFile); err != nil {
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return nil, err
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} else {
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certs = []tls.Certificate{cert}
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}
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}
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var caCertPool *x509.CertPool
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if len(config.SSL.CAFile) > 0 {
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ca, err := os.ReadFile(config.SSL.CAFile)
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if err != nil {
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return nil, err
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}
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caCertPool = x509.NewCertPool()
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caCertPool.AppendCertsFromPEM(ca)
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}
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tlsConfig = &tls.Config{
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RootCAs: caCertPool,
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InsecureSkipVerify: config.SSL.AllowInsecure,
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Certificates: certs,
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ServerName: strings.TrimSpace(config.SSL.SNI),
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}
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}
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option := &redis.Options{
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Addr: fmt.Sprintf("%s:%d", config.Addr, config.Port),
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Username: config.Username,
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Password: config.Password,
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DialTimeout: time.Duration(config.ConnTimeout) * time.Second,
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ReadTimeout: time.Duration(config.ExecTimeout) * time.Second,
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WriteTimeout: time.Duration(config.ExecTimeout) * time.Second,
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TLSConfig: tlsConfig,
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}
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if config.LastDB > 0 {
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option.DB = config.LastDB
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}
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if sshClient != nil {
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option.Dialer = func(ctx context.Context, network, addr string) (net.Conn, error) {
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return sshClient.Dial(network, addr)
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}
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option.ReadTimeout = -2
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option.WriteTimeout = -2
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}
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return option, nil
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}
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func (c *connectionService) createRedisClient(config types.ConnectionConfig) (redis.UniversalClient, error) {
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option, err := c.buildOption(config)
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if err != nil {
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return nil, err
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}
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if config.Sentinel.Enable {
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// get master address via sentinel node
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sentinel := redis.NewSentinelClient(option)
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defer sentinel.Close()
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var addr []string
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addr, err = sentinel.GetMasterAddrByName(c.ctx, config.Sentinel.Master).Result()
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if err != nil {
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return nil, err
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}
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if len(addr) < 2 {
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return nil, errors.New("cannot get master address")
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}
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option.Addr = fmt.Sprintf("%s:%s", addr[0], addr[1])
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option.Username = config.Sentinel.Username
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option.Password = config.Sentinel.Password
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}
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rdb := redis.NewClient(option)
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if config.Cluster.Enable {
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// connect to cluster
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var slots []redis.ClusterSlot
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if slots, err = rdb.ClusterSlots(c.ctx).Result(); err == nil {
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clusterOptions := &redis.ClusterOptions{
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//NewClient: nil,
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//MaxRedirects: 0,
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//RouteByLatency: false,
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//RouteRandomly: false,
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//ClusterSlots: nil,
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Dialer: option.Dialer,
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OnConnect: option.OnConnect,
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Protocol: option.Protocol,
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Username: option.Username,
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Password: option.Password,
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MaxRetries: option.MaxRetries,
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MinRetryBackoff: option.MinRetryBackoff,
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MaxRetryBackoff: option.MaxRetryBackoff,
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DialTimeout: option.DialTimeout,
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ContextTimeoutEnabled: option.ContextTimeoutEnabled,
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PoolFIFO: option.PoolFIFO,
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PoolSize: option.PoolSize,
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PoolTimeout: option.PoolTimeout,
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MinIdleConns: option.MinIdleConns,
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MaxIdleConns: option.MaxIdleConns,
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ConnMaxIdleTime: option.ConnMaxIdleTime,
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ConnMaxLifetime: option.ConnMaxLifetime,
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TLSConfig: option.TLSConfig,
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DisableIndentity: option.DisableIndentity,
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}
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if option.Dialer != nil {
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clusterOptions.Dialer = option.Dialer
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clusterOptions.ReadTimeout = -2
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clusterOptions.WriteTimeout = -2
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}
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var addrs []string
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for _, slot := range slots {
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for _, node := range slot.Nodes {
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addrs = append(addrs, node.Addr)
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}
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}
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clusterOptions.Addrs = addrs
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clusterClient := redis.NewClusterClient(clusterOptions)
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return clusterClient, nil
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} else {
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return nil, err
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}
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}
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return rdb, nil
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}
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// ListSentinelMasters list all master info by sentinel
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func (c *connectionService) ListSentinelMasters(config types.ConnectionConfig) (resp types.JSResp) {
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option, err := c.buildOption(config)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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if option.DialTimeout > 0 {
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option.DialTimeout = 10 * time.Second
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}
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sentinel := redis.NewSentinelClient(option)
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defer sentinel.Close()
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var retInfo []map[string]string
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masterInfos, err := sentinel.Masters(c.ctx).Result()
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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for _, info := range masterInfos {
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if infoMap, ok := info.(map[any]any); ok {
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retInfo = append(retInfo, map[string]string{
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"name": infoMap["name"].(string),
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"addr": fmt.Sprintf("%s:%s", infoMap["ip"].(string), infoMap["port"].(string)),
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})
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}
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}
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resp.Data = retInfo
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resp.Success = true
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return
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}
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func (c *connectionService) TestConnection(config types.ConnectionConfig) (resp types.JSResp) {
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client, err := c.createRedisClient(config)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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defer client.Close()
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if _, err = client.Ping(c.ctx).Result(); err != nil && err != redis.Nil {
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resp.Msg = err.Error()
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} else {
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resp.Success = true
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}
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return
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}
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// ListConnection list all saved connection in local profile
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func (c *connectionService) ListConnection() (resp types.JSResp) {
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resp.Success = true
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resp.Data = c.conns.GetConnections()
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return
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}
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func (c *connectionService) getConnection(name string) *types.Connection {
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return c.conns.GetConnection(name)
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}
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// GetConnection get connection profile by name
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func (c *connectionService) GetConnection(name string) (resp types.JSResp) {
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conn := c.getConnection(name)
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resp.Success = conn != nil
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resp.Data = conn
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return
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}
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// SaveConnection save connection config to local profile
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func (c *connectionService) SaveConnection(name string, param types.ConnectionConfig) (resp types.JSResp) {
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var err error
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if strings.ContainsAny(param.Name, "/") {
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err = errors.New("connection name contains illegal characters")
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} else {
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if len(name) > 0 {
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// update connection
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err = c.conns.UpdateConnection(name, param)
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} else {
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err = c.conns.CreateConnection(param)
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}
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}
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if err != nil {
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resp.Msg = err.Error()
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} else {
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resp.Success = true
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}
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return
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}
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// DeleteConnection remove connection by name
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func (c *connectionService) DeleteConnection(name string) (resp types.JSResp) {
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err := c.conns.DeleteConnection(name)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// SaveSortedConnection save sorted connection after drag
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func (c *connectionService) SaveSortedConnection(sortedConns types.Connections) (resp types.JSResp) {
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err := c.conns.SaveSortedConnection(sortedConns)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// CreateGroup create a new group
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func (c *connectionService) CreateGroup(name string) (resp types.JSResp) {
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err := c.conns.CreateGroup(name)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// RenameGroup rename group
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func (c *connectionService) RenameGroup(name, newName string) (resp types.JSResp) {
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err := c.conns.RenameGroup(name, newName)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// DeleteGroup remove a group by name
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func (c *connectionService) DeleteGroup(name string, includeConn bool) (resp types.JSResp) {
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err := c.conns.DeleteGroup(name, includeConn)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// SaveLastDB save last selected database index
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func (c *connectionService) SaveLastDB(name string, db int) (resp types.JSResp) {
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param := c.conns.GetConnection(name)
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if param == nil {
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resp.Msg = "no connection named \"" + name + "\""
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return
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}
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if param.LastDB != db {
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param.LastDB = db
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if err := c.conns.UpdateConnection(name, param.ConnectionConfig); err != nil {
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resp.Msg = "save connection fail:" + err.Error()
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return
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}
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}
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resp.Success = true
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return
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}
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// SaveRefreshInterval save auto refresh interval
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func (c *connectionService) SaveRefreshInterval(name string, interval int) (resp types.JSResp) {
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param := c.conns.GetConnection(name)
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if param == nil {
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resp.Msg = "no connection named \"" + name + "\""
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return
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}
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if param.RefreshInterval != interval {
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param.RefreshInterval = interval
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if err := c.conns.UpdateConnection(name, param.ConnectionConfig); err != nil {
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resp.Msg = "save connection fail:" + err.Error()
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return
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}
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}
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resp.Success = true
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return
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}
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// ExportConnections export connections to zip file
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func (c *connectionService) ExportConnections() (resp types.JSResp) {
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defaultFileName := "connections_" + time.Now().Format("20060102150405") + ".zip"
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filepath, err := runtime.SaveFileDialog(c.ctx, runtime.SaveDialogOptions{
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ShowHiddenFiles: true,
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DefaultFilename: defaultFileName,
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Filters: []runtime.FileFilter{
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{
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Pattern: "*.zip",
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},
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},
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})
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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// compress the connections profile with zip
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const connectionFilename = "connections.yaml"
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inputFile, err := os.Open(path.Join(userdir.GetConfigHome(), "TinyRDM", connectionFilename))
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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defer inputFile.Close()
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outputFile, err := os.Create(filepath)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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defer outputFile.Close()
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zipWriter := zip.NewWriter(outputFile)
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defer zipWriter.Close()
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headerWriter, err := zipWriter.CreateHeader(&zip.FileHeader{
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Name: connectionFilename,
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Method: zip.Deflate,
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})
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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if _, err = io.Copy(headerWriter, inputFile); err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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resp.Data = struct {
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Path string `json:"path"`
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}{
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Path: filepath,
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}
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return
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}
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// ImportConnections import connections from local zip file
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func (c *connectionService) ImportConnections() (resp types.JSResp) {
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filepath, err := runtime.OpenFileDialog(c.ctx, runtime.OpenDialogOptions{
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ShowHiddenFiles: true,
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Filters: []runtime.FileFilter{
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{
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Pattern: "*.zip",
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},
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},
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})
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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const connectionFilename = "connections.yaml"
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zipFile, err := zip.OpenReader(filepath)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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var file *zip.File
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for _, file = range zipFile.File {
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if file.Name == connectionFilename {
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break
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}
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}
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if file != nil {
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zippedFile, err := file.Open()
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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defer zippedFile.Close()
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outputFile, err := os.Create(path.Join(userdir.GetConfigHome(), "TinyRDM", connectionFilename))
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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defer outputFile.Close()
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if _, err = io.Copy(outputFile, zippedFile); err != nil {
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resp.Msg = err.Error()
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return
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}
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}
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resp.Success = true
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return
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}
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