pomerium/internal/sessions/queryparam/query_store.go
Bobby DeSimone 8d1732582e
authorize: use jwt insead of state struct (#514)
authenticate: unmarshal and verify state from jwt, instead of middleware
authorize: embed opa policy using statik
authorize: have IsAuthorized handle authorization for all routes
authorize: if no signing key is provided, one is generated
authorize: remove IsAdmin grpc endpoint
authorize/client: return authorize decision struct
cmd/pomerium: main logger no longer contains email and group
cryptutil: add ECDSA signing methods
dashboard: have impersonate form show up for all users, but have api gated by authz
docs: fix typo in signed jwt header
encoding/jws: remove unused es256 signer
frontend: namespace static web assets
internal/sessions: remove leeway to match authz policy
proxy:  move signing functionality to authz
proxy: remove jwt attestation from proxy (authZ does now)
proxy: remove non-signed headers from headers
proxy: remove special handling of x-forwarded-host
sessions: do not verify state in middleware
sessions: remove leeway from state to match authz
sessions/{all}: store jwt directly instead of state

Signed-off-by: Bobby DeSimone <bobbydesimone@gmail.com>
2020-03-10 11:19:26 -07:00

71 lines
2 KiB
Go

// Package queryparam provides a query param based implementation of a both
// as session store and loader.
package queryparam // import "github.com/pomerium/pomerium/internal/sessions/queryparam"
import (
"net/http"
"github.com/pomerium/pomerium/internal/encoding"
"github.com/pomerium/pomerium/internal/sessions"
)
var _ sessions.SessionStore = &Store{}
var _ sessions.SessionLoader = &Store{}
const (
defaultQueryParamKey = "pomerium_session"
)
// Store implements the load session store interface using http
// query strings / query parameters.
type Store struct {
queryParamKey string
encoder encoding.Marshaler
decoder encoding.Unmarshaler
}
// NewStore returns a new query param store for loading sessions from
// query strings / query parameters.
//
// NOTA BENE: By default, most servers _DO_ log query params, the leaking or
// accidental logging of which should be considered a security issue.
func NewStore(enc encoding.MarshalUnmarshaler, qp string) *Store {
if qp == "" {
qp = defaultQueryParamKey
}
return &Store{
queryParamKey: qp,
encoder: enc,
decoder: enc,
}
}
// LoadSession tries to retrieve the token string from URL query parameters.
func (qp *Store) LoadSession(r *http.Request) (string, error) {
jwt := r.URL.Query().Get(qp.queryParamKey)
if jwt == "" {
return "", sessions.ErrNoSessionFound
}
return jwt, nil
}
// ClearSession clears the session cookie from a request's query param key `pomerium_session`.
func (qp *Store) ClearSession(w http.ResponseWriter, r *http.Request) {
params := r.URL.Query()
params.Del(qp.queryParamKey)
r.URL.RawQuery = params.Encode()
}
// SaveSession sets a session to a request's query param key `pomerium_session`
func (qp *Store) SaveSession(w http.ResponseWriter, r *http.Request, x interface{}) error {
data, err := qp.encoder.Marshal(x)
if err != nil {
return err
}
r.URL.Query().Get(qp.queryParamKey)
params := r.URL.Query()
params.Set(qp.queryParamKey, string(data))
r.URL.RawQuery = params.Encode()
return nil
}