133 lines
4.2 KiB
Go
133 lines
4.2 KiB
Go
package inthttp
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import (
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"context"
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"errors"
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"net/http"
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"github.com/matrix-org/dendrite/internal/caching"
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"github.com/matrix-org/dendrite/internal/httputil"
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"github.com/matrix-org/dendrite/signingkeyserver/api"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/opentracing/opentracing-go"
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)
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// HTTP paths for the internal HTTP APIs
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const (
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ServerKeyInputPublicKeyPath = "/signingkeyserver/inputPublicKey"
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ServerKeyQueryPublicKeyPath = "/signingkeyserver/queryPublicKey"
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)
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// NewSigningKeyServerClient creates a SigningKeyServerAPI implemented by talking to a HTTP POST API.
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// If httpClient is nil an error is returned
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func NewSigningKeyServerClient(
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serverKeyAPIURL string,
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httpClient *http.Client,
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cache caching.ServerKeyCache,
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) (api.SigningKeyServerAPI, error) {
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if httpClient == nil {
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return nil, errors.New("NewSigningKeyServerClient: httpClient is <nil>")
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}
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return &httpServerKeyInternalAPI{
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serverKeyAPIURL: serverKeyAPIURL,
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httpClient: httpClient,
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cache: cache,
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}, nil
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}
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type httpServerKeyInternalAPI struct {
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serverKeyAPIURL string
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httpClient *http.Client
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cache caching.ServerKeyCache
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}
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func (s *httpServerKeyInternalAPI) KeyRing() *gomatrixserverlib.KeyRing {
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// This is a bit of a cheat - we tell gomatrixserverlib that this API is
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// both the key database and the key fetcher. While this does have the
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// rather unfortunate effect of preventing gomatrixserverlib from handling
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// key fetchers directly, we can at least reimplement this behaviour on
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// the other end of the API.
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return &gomatrixserverlib.KeyRing{
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KeyDatabase: s,
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KeyFetchers: []gomatrixserverlib.KeyFetcher{},
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}
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}
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func (s *httpServerKeyInternalAPI) FetcherName() string {
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return "httpServerKeyInternalAPI"
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}
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func (s *httpServerKeyInternalAPI) StoreKeys(
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_ context.Context,
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results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult,
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) error {
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// Run in a background context - we don't want to stop this work just
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// because the caller gives up waiting.
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ctx := context.Background()
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request := api.InputPublicKeysRequest{
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Keys: make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult),
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}
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response := api.InputPublicKeysResponse{}
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for req, res := range results {
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request.Keys[req] = res
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s.cache.StoreServerKey(req, res)
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}
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return s.InputPublicKeys(ctx, &request, &response)
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}
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func (s *httpServerKeyInternalAPI) FetchKeys(
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_ context.Context,
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requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
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) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error) {
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// Run in a background context - we don't want to stop this work just
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// because the caller gives up waiting.
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ctx := context.Background()
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result := make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult)
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request := api.QueryPublicKeysRequest{
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Requests: make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp),
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}
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response := api.QueryPublicKeysResponse{
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Results: make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult),
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}
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for req, ts := range requests {
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if res, ok := s.cache.GetServerKey(req, ts); ok {
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result[req] = res
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continue
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}
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request.Requests[req] = ts
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}
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err := s.QueryPublicKeys(ctx, &request, &response)
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if err != nil {
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return nil, err
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}
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for req, res := range response.Results {
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result[req] = res
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s.cache.StoreServerKey(req, res)
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}
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return result, nil
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}
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func (h *httpServerKeyInternalAPI) InputPublicKeys(
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ctx context.Context,
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request *api.InputPublicKeysRequest,
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response *api.InputPublicKeysResponse,
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) error {
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span, ctx := opentracing.StartSpanFromContext(ctx, "InputPublicKey")
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defer span.Finish()
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apiURL := h.serverKeyAPIURL + ServerKeyInputPublicKeyPath
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return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
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}
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func (h *httpServerKeyInternalAPI) QueryPublicKeys(
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ctx context.Context,
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request *api.QueryPublicKeysRequest,
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response *api.QueryPublicKeysResponse,
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) error {
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span, ctx := opentracing.StartSpanFromContext(ctx, "QueryPublicKey")
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defer span.Finish()
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apiURL := h.serverKeyAPIURL + ServerKeyQueryPublicKeyPath
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return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
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}
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