mirror of
https://github.com/matrix-org/dendrite
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c2b9ab7470
Was working on another PR and noticed that golangci-lint was failing locally on `ineffassign` Signed-off-by: Devon Mizelle <dev@devon.so>
167 lines
5.2 KiB
Go
167 lines
5.2 KiB
Go
// Copyright 2018 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package query handles requests from other internal dendrite components when
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// they interact with the AppServiceQueryAPI.
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package query
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import (
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"context"
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"net/http"
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"net/url"
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"github.com/matrix-org/dendrite/appservice/api"
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"github.com/matrix-org/dendrite/setup/config"
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opentracing "github.com/opentracing/opentracing-go"
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log "github.com/sirupsen/logrus"
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)
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const roomAliasExistsPath = "/rooms/"
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const userIDExistsPath = "/users/"
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// AppServiceQueryAPI is an implementation of api.AppServiceQueryAPI
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type AppServiceQueryAPI struct {
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HTTPClient *http.Client
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Cfg *config.Dendrite
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}
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// RoomAliasExists performs a request to '/room/{roomAlias}' on all known
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// handling application services until one admits to owning the room
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func (a *AppServiceQueryAPI) RoomAliasExists(
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ctx context.Context,
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request *api.RoomAliasExistsRequest,
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response *api.RoomAliasExistsResponse,
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) error {
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span, ctx := opentracing.StartSpanFromContext(ctx, "ApplicationServiceRoomAlias")
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defer span.Finish()
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// Determine which application service should handle this request
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for _, appservice := range a.Cfg.Derived.ApplicationServices {
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if appservice.URL != "" && appservice.IsInterestedInRoomAlias(request.Alias) {
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// The full path to the rooms API, includes hs token
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URL, err := url.Parse(appservice.URL + roomAliasExistsPath)
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if err != nil {
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return err
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}
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URL.Path += request.Alias
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apiURL := URL.String() + "?access_token=" + appservice.HSToken
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// Send a request to each application service. If one responds that it has
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// created the room, immediately return.
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req, err := http.NewRequest(http.MethodGet, apiURL, nil)
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if err != nil {
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return err
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}
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req = req.WithContext(ctx)
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resp, err := a.HTTPClient.Do(req)
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if resp != nil {
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defer func() {
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err = resp.Body.Close()
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if err != nil {
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log.WithFields(log.Fields{
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"appservice_id": appservice.ID,
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"status_code": resp.StatusCode,
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}).WithError(err).Error("Unable to close application service response body")
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}
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}()
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}
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if err != nil {
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log.WithError(err).Errorf("Issue querying room alias on application service %s", appservice.ID)
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return err
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}
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switch resp.StatusCode {
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case http.StatusOK:
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// OK received from appservice. Room exists
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response.AliasExists = true
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return nil
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case http.StatusNotFound:
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// Room does not exist
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default:
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// Application service reported an error. Warn
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log.WithFields(log.Fields{
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"appservice_id": appservice.ID,
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"status_code": resp.StatusCode,
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}).Warn("Application service responded with non-OK status code")
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}
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}
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}
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response.AliasExists = false
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return nil
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}
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// UserIDExists performs a request to '/users/{userID}' on all known
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// handling application services until one admits to owning the user ID
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func (a *AppServiceQueryAPI) UserIDExists(
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ctx context.Context,
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request *api.UserIDExistsRequest,
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response *api.UserIDExistsResponse,
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) error {
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span, ctx := opentracing.StartSpanFromContext(ctx, "ApplicationServiceUserID")
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defer span.Finish()
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// Determine which application service should handle this request
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for _, appservice := range a.Cfg.Derived.ApplicationServices {
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if appservice.URL != "" && appservice.IsInterestedInUserID(request.UserID) {
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// The full path to the rooms API, includes hs token
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URL, err := url.Parse(appservice.URL + userIDExistsPath)
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if err != nil {
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return err
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}
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URL.Path += request.UserID
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apiURL := URL.String() + "?access_token=" + appservice.HSToken
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// Send a request to each application service. If one responds that it has
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// created the user, immediately return.
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req, err := http.NewRequest(http.MethodGet, apiURL, nil)
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if err != nil {
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return err
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}
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resp, err := a.HTTPClient.Do(req.WithContext(ctx))
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if resp != nil {
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defer func() {
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err = resp.Body.Close()
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if err != nil {
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log.WithFields(log.Fields{
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"appservice_id": appservice.ID,
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"status_code": resp.StatusCode,
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}).Error("Unable to close application service response body")
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}
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}()
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}
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if err != nil {
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log.WithFields(log.Fields{
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"appservice_id": appservice.ID,
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}).WithError(err).Error("issue querying user ID on application service")
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return err
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}
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if resp.StatusCode == http.StatusOK {
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// StatusOK received from appservice. User ID exists
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response.UserIDExists = true
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return nil
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}
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// Log non OK
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log.WithFields(log.Fields{
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"appservice_id": appservice.ID,
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"status_code": resp.StatusCode,
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}).Warn("application service responded with non-OK status code")
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}
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}
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response.UserIDExists = false
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return nil
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}
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