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authentik/internal/outpost/ak/api.go

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package ak
import (
"context"
"fmt"
"math/rand"
"net/http"
"net/url"
"time"
"github.com/go-openapi/strfmt"
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/recws-org/recws"
"goauthentik.io/internal/constants"
"goauthentik.io/outpost/api"
log "github.com/sirupsen/logrus"
)
const ConfigLogLevel = "log_level"
const ConfigErrorReportingEnabled = "error_reporting_enabled"
const ConfigErrorReportingEnvironment = "error_reporting_environment"
// APIController main controller which connects to the authentik api via http and ws
type APIController struct {
Client *api.APIClient
token string
Server Outpost
logger *log.Entry
reloadOffset time.Duration
wsConn *recws.RecConn
instanceUUID uuid.UUID
}
// NewAPIController initialise new API Controller instance from URL and API token
func NewAPIController(akURL url.URL, token string) *APIController {
config := api.NewConfiguration()
config.Host = akURL.Host
config.Scheme = akURL.Scheme
config.HTTPClient = &http.Client{
Transport: SetUserAgent(GetTLSTransport(), constants.OutpostUserAgent()),
}
config.AddDefaultHeader("Authorization", fmt.Sprintf("Bearer %s", token))
// create the API client, with the transport
apiClient := api.NewAPIClient(config)
log := log.WithField("logger", "authentik.outpost.ak-api-controller")
// Because we don't know the outpost UUID, we simply do a list and pick the first
// The service account this token belongs to should only have access to a single outpost
outposts, _, err := apiClient.OutpostsApi.OutpostsInstancesList(context.Background()).Execute()
if err != nil {
log.WithError(err).Error("Failed to fetch configuration")
return nil
}
outpost := outposts.Results[0]
doGlobalSetup(outpost.Config)
ac := &APIController{
Client: apiClient,
token: token,
logger: log,
reloadOffset: time.Duration(rand.Intn(10)) * time.Second,
instanceUUID: uuid.New(),
}
ac.logger.Debugf("HA Reload offset: %s", ac.reloadOffset)
ac.initWS(akURL, strfmt.UUID(outpost.Pk))
return ac
}
// Start Starts all handlers, non-blocking
func (a *APIController) Start() error {
err := a.Server.Refresh()
if err != nil {
return errors.Wrap(err, "failed to run initial refresh")
}
go func() {
a.logger.Debug("Starting WS Handler...")
a.startWSHandler()
}()
go func() {
a.logger.Debug("Starting WS Health notifier...")
a.startWSHealth()
}()
go func() {
a.logger.Debug("Starting Interval updater...")
a.startIntervalUpdater()
}()
go func() {
err := a.Server.Start()
if err != nil {
panic(err)
}
}()
return nil
}