mirror of
https://github.com/superseriousbusiness/gotosocial.git
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2b11d4b7b0
* add Accept application/activity+json to transport * add application/activity+json comma-separated
75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package transport
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import (
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"context"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"github.com/spf13/viper"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/uris"
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)
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func (t *transport) Dereference(ctx context.Context, iri *url.URL) ([]byte, error) {
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// if the request is to us, we can shortcut for certain URIs rather than going through
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// the normal request flow, thereby saving time and energy
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if iri.Host == viper.GetString(config.Keys.Host) {
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if uris.IsFollowersPath(iri) {
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// the request is for followers of one of our accounts, which we can shortcut
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return t.controller.dereferenceLocalFollowers(ctx, iri)
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}
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if uris.IsUserPath(iri) {
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// the request is for one of our accounts, which we can shortcut
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return t.controller.dereferenceLocalUser(ctx, iri)
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}
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}
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// Build IRI just once
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iriStr := iri.String()
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// Prepare new HTTP request to endpoint
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req, err := http.NewRequestWithContext(ctx, "GET", iriStr, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Add("Accept", "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\",application/activity+json")
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req.Header.Add("Accept-Charset", "utf-8")
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req.Header.Add("User-Agent", t.controller.userAgent)
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req.Header.Set("Host", iri.Host)
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// Perform the HTTP request
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rsp, err := t.GET(req)
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if err != nil {
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return nil, err
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}
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defer rsp.Body.Close()
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// Check for an expected status code
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if rsp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("GET request to %s failed (%d): %s", iriStr, rsp.StatusCode, rsp.Status)
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}
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return ioutil.ReadAll(rsp.Body)
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}
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