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3 | 3 | package cli
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4 | 4 |
|
5 | 5 | import (
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| 6 | + "bytes" |
| 7 | + "cdr.dev/slog" |
| 8 | + "context" |
| 9 | + "encoding/base64" |
| 10 | + "sync/atomic" |
| 11 | + |
| 12 | + "github.com/coder/coder/v2/cli" |
6 | 13 | "github.com/coder/coder/v2/cli/clibase"
|
| 14 | + "github.com/coder/coder/v2/coderd/database" |
| 15 | + "github.com/coder/coder/v2/codersdk" |
| 16 | + "github.com/coder/coder/v2/enterprise/dbcrypt" |
| 17 | + |
| 18 | + "golang.org/x/xerrors" |
7 | 19 | )
|
8 | 20 |
|
9 | 21 | func (r *RootCmd) dbcryptRotate() *clibase.Cmd {
|
| 22 | + var ( |
| 23 | + vals = new(codersdk.DeploymentValues) |
| 24 | + opts = vals.Options() |
| 25 | + ) |
10 | 26 | cmd := &clibase.Cmd{
|
11 |
| - Use: "dbcrypt-rotate", |
12 |
| - Short: "Rotate database encryption keys", |
| 27 | + Use: "dbcrypt-rotate --postgres-url <postgres_url> --external-token-encryption-keys <new-key>,<old-key>", |
| 28 | + Short: "Rotate database encryption keys", |
| 29 | + Options: opts, |
13 | 30 | Middleware: clibase.Chain(
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14 | 31 | clibase.RequireNArgs(0),
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15 | 32 | ),
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16 | 33 | Handler: func(inv *clibase.Invocation) error {
|
17 |
| - // TODO: implement |
| 34 | + ctx, cancel := context.WithCancel(inv.Context()) |
| 35 | + defer cancel() |
| 36 | + logger, closeLogger, err := cli.BuildLogger(inv, vals) |
| 37 | + if err != nil { |
| 38 | + return xerrors.Errorf("set up logging: %w", err) |
| 39 | + } |
| 40 | + defer closeLogger() |
| 41 | + |
| 42 | + if vals.PostgresURL == "" { |
| 43 | + return xerrors.Errorf("no database configured") |
| 44 | + } |
| 45 | + |
| 46 | + if vals.ExternalTokenEncryptionKeys == nil || len(vals.ExternalTokenEncryptionKeys) != 2 { |
| 47 | + return xerrors.Errorf("dbcrypt-rotate requires exactly two external token encryption keys") |
| 48 | + } |
| 49 | + |
| 50 | + newKey, err := base64.StdEncoding.DecodeString(vals.ExternalTokenEncryptionKeys[0]) |
| 51 | + if err != nil { |
| 52 | + return xerrors.Errorf("new key must be base64-encoded") |
| 53 | + } |
| 54 | + oldKey, err := base64.StdEncoding.DecodeString(vals.ExternalTokenEncryptionKeys[1]) |
| 55 | + if err != nil { |
| 56 | + return xerrors.Errorf("old key must be base64-encoded") |
| 57 | + } |
| 58 | + if bytes.Compare(newKey, oldKey) == 0 { |
| 59 | + return xerrors.Errorf("old and new keys must be different") |
| 60 | + } |
| 61 | + |
| 62 | + primaryCipherPtr := &atomic.Pointer[dbcrypt.Cipher]{} |
| 63 | + secondaryCipherPtr := &atomic.Pointer[dbcrypt.Cipher]{} |
| 64 | + primaryCipher, err := dbcrypt.CipherAES256(newKey) |
| 65 | + if err != nil { |
| 66 | + return xerrors.Errorf("create primary cipher: %w", err) |
| 67 | + } |
| 68 | + secondaryCipher, err := dbcrypt.CipherAES256(oldKey) |
| 69 | + if err != nil { |
| 70 | + return xerrors.Errorf("create secondary cipher: %w", err) |
| 71 | + } |
| 72 | + primaryCipherPtr.Store(&primaryCipher) |
| 73 | + secondaryCipherPtr.Store(&secondaryCipher) |
| 74 | + |
| 75 | + sqlDB, err := cli.ConnectToPostgres(inv.Context(), logger, "postgres", vals.PostgresURL.Value()) |
| 76 | + if err != nil { |
| 77 | + return xerrors.Errorf("connect to postgres: %w", err) |
| 78 | + } |
| 79 | + defer func() { |
| 80 | + _ = sqlDB.Close() |
| 81 | + }() |
| 82 | + logger.Info(ctx, "connected to postgres") |
| 83 | + |
| 84 | + db := database.New(sqlDB) |
| 85 | + |
| 86 | + cryptDB, err := dbcrypt.New(ctx, db, &dbcrypt.Options{ |
| 87 | + PrimaryCipher: primaryCipherPtr, |
| 88 | + SecondaryCipher: secondaryCipherPtr, |
| 89 | + Logger: logger.Named("cryptdb"), |
| 90 | + }) |
| 91 | + if err != nil { |
| 92 | + return xerrors.Errorf("create cryptdb: %w", err) |
| 93 | + } |
| 94 | + |
| 95 | + users, err := cryptDB.GetUsers(ctx, database.GetUsersParams{}) |
| 96 | + if err != nil { |
| 97 | + return xerrors.Errorf("get users: %w", err) |
| 98 | + } |
| 99 | + for idx, usr := range users { |
| 100 | + userLinks, err := cryptDB.GetUserLinksByUserID(ctx, usr.ID) |
| 101 | + if err != nil { |
| 102 | + return xerrors.Errorf("get user links for user: %w", err) |
| 103 | + } |
| 104 | + for _, userLink := range userLinks { |
| 105 | + if _, err := cryptDB.UpdateUserLink(ctx, database.UpdateUserLinkParams{ |
| 106 | + OAuthAccessToken: userLink.OAuthAccessToken, |
| 107 | + OAuthRefreshToken: userLink.OAuthRefreshToken, |
| 108 | + OAuthExpiry: userLink.OAuthExpiry, |
| 109 | + UserID: usr.ID, |
| 110 | + LoginType: usr.LoginType, |
| 111 | + }); err != nil { |
| 112 | + return xerrors.Errorf("update user link: %w", err) |
| 113 | + } |
| 114 | + } |
| 115 | + gitAuthLinks, err := cryptDB.GetGitAuthLinksByUserID(ctx, usr.ID) |
| 116 | + if err != nil { |
| 117 | + return xerrors.Errorf("get git auth links for user: %w", err) |
| 118 | + } |
| 119 | + for _, gitAuthLink := range gitAuthLinks { |
| 120 | + if _, err := cryptDB.UpdateGitAuthLink(ctx, database.UpdateGitAuthLinkParams{ |
| 121 | + ProviderID: gitAuthLink.ProviderID, |
| 122 | + UserID: usr.ID, |
| 123 | + UpdatedAt: gitAuthLink.UpdatedAt, |
| 124 | + OAuthAccessToken: gitAuthLink.OAuthAccessToken, |
| 125 | + OAuthRefreshToken: gitAuthLink.OAuthRefreshToken, |
| 126 | + OAuthExpiry: gitAuthLink.OAuthExpiry, |
| 127 | + }); err != nil { |
| 128 | + return xerrors.Errorf("update git auth link: %w", err) |
| 129 | + } |
| 130 | + } |
| 131 | + logger.Info(ctx, "encrypted user tokens", slog.F("current", idx+1), slog.F("of", len(users))) |
| 132 | + } |
| 133 | + logger.Info(ctx, "operation completed successfully!") |
18 | 134 | return nil
|
19 | 135 | },
|
20 | 136 | }
|
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