/
tokens.go
144 lines (117 loc) · 3.82 KB
/
tokens.go
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package resources
import (
"context"
"database/sql"
"encoding/json"
"net/http"
"net/url"
"github.com/canonical/lxd/lxd/response"
"github.com/canonical/lxd/shared"
"github.com/canonical/lxd/shared/logger"
"github.com/gorilla/mux"
"github.com/canonical/microcluster/cluster"
internalTypes "github.com/canonical/microcluster/internal/rest/types"
"github.com/canonical/microcluster/internal/state"
"github.com/canonical/microcluster/rest"
"github.com/canonical/microcluster/rest/access"
"github.com/canonical/microcluster/rest/types"
)
var tokensCmd = rest.Endpoint{
Path: "tokens",
Post: rest.EndpointAction{Handler: tokensPost, AccessHandler: access.AllowAuthenticated},
Get: rest.EndpointAction{Handler: tokensGet, AccessHandler: access.AllowAuthenticated},
}
var tokenCmd = rest.Endpoint{
Path: "tokens/{name}",
Delete: rest.EndpointAction{Handler: tokenDelete, AccessHandler: access.AllowAuthenticated},
}
func tokensPost(state *state.State, r *http.Request) response.Response {
req := internalTypes.TokenRecord{}
// Parse the request.
err := json.NewDecoder(r.Body).Decode(&req)
if err != nil {
return response.BadRequest(err)
}
// Generate join token for new member. This will be stored alongside the join
// address and cluster certificate to simplify setup.
tokenKey, err := shared.RandomCryptoString()
if err != nil {
return response.InternalError(err)
}
clusterCert, err := state.ClusterCert().PublicKeyX509()
if err != nil {
return response.InternalError(err)
}
joinAddresses := []types.AddrPort{}
for _, addr := range state.Remotes().Addresses() {
joinAddresses = append(joinAddresses, addr)
}
if len(joinAddresses) == 0 {
logger.Warnf("Failed to check trust store for eligible join addresses. Issuing token with join address %q", state.Address().URL.Host)
joinAddresses, err = types.ParseAddrPorts([]string{state.Address().URL.Host})
if err != nil {
return response.SmartError(err)
}
}
token := internalTypes.Token{
Secret: tokenKey,
Fingerprint: shared.CertFingerprint(clusterCert),
JoinAddresses: joinAddresses,
}
tokenString, err := token.String()
if err != nil {
return response.InternalError(err)
}
err = state.Database.Transaction(state.Context, func(ctx context.Context, tx *sql.Tx) error {
_, err = cluster.CreateInternalTokenRecord(ctx, tx, cluster.InternalTokenRecord{Name: req.Name, Secret: tokenKey})
return err
})
if err != nil {
return response.SmartError(err)
}
return response.SyncResponse(true, tokenString)
}
func tokensGet(state *state.State, r *http.Request) response.Response {
clusterCert, err := state.ClusterCert().PublicKeyX509()
if err != nil {
return response.InternalError(err)
}
joinAddresses := []types.AddrPort{}
for _, addr := range state.Remotes().Addresses() {
joinAddresses = append(joinAddresses, addr)
}
var records []internalTypes.TokenRecord
err = state.Database.Transaction(state.Context, func(ctx context.Context, tx *sql.Tx) error {
var err error
tokens, err := cluster.GetInternalTokenRecords(ctx, tx)
if err != nil {
return err
}
records = make([]internalTypes.TokenRecord, 0, len(tokens))
for _, token := range tokens {
apiToken, err := token.ToAPI(clusterCert, joinAddresses)
if err != nil {
return err
}
records = append(records, *apiToken)
}
return nil
})
if err != nil {
return response.SmartError(err)
}
return response.SyncResponse(true, records)
}
func tokenDelete(state *state.State, r *http.Request) response.Response {
name, err := url.PathUnescape(mux.Vars(r)["name"])
if err != nil {
return response.SmartError(err)
}
err = state.Database.Transaction(state.Context, func(ctx context.Context, tx *sql.Tx) error {
return cluster.DeleteInternalTokenRecord(ctx, tx, name)
})
if err != nil {
return response.SmartError(err)
}
return response.EmptySyncResponse
}