mirror of
https://github.com/mautrix/discord.git
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100 lines
2.8 KiB
Go
100 lines
2.8 KiB
Go
// mautrix-discord - A Matrix-Discord puppeting bridge.
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// Copyright (C) 2026 Tulir Asokan
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//
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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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//
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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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//
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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 <https://www.gnu.org/licenses/>.
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package discordauth
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"net/http/cookiejar"
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"github.com/imroc/req/v3"
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"go.mau.fi/util/exhttp"
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"golang.org/x/net/publicsuffix"
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)
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type HTTP interface {
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Do(req *http.Request) (*http.Response, error)
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}
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func respIsOk(resp *http.Response) bool {
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if resp == nil {
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return false
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}
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return resp.StatusCode >= 200 && resp.StatusCode < 300
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}
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type HTTPError struct {
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body []byte
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resp *http.Response
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}
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func (err HTTPError) Error() string {
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if err.body != nil && len(err.body) < 1_024*16 { // arbitrarily cap at 16 KiB
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return fmt.Sprintf("Discord replied with HTTP %d: %s", err.resp.StatusCode, string(err.body))
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}
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return fmt.Sprintf("Discord replied with HTTP %d", err.resp.StatusCode)
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}
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func refreshReq(ctx context.Context, req *http.Request) (*http.Request, error) {
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var newBody io.ReadCloser
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var err error
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if req.Body != nil && req.ContentLength > 0 {
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newBody, err = req.GetBody()
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if err != nil {
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return nil, fmt.Errorf("failed to clone request body when retrying: %w", err)
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}
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}
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req = req.Clone(ctx)
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if newBody != nil {
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req.Body = newBody
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}
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return req, nil
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}
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func NewDiscordAuthHTTPClient(settings exhttp.ClientSettings) (*http.Client, error) {
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reqClient := req.C().ImpersonateChrome()
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// By default, req infers the proxy from the environment. If a proxy is not
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// specified via exhttp, we don't want one at all, so remove the proxy
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// before we apply exhttp settings. `MakeTransportOverride` does not remove
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// the proxy on its own.
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reqClient.SetProxy(nil)
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// Apply exhttp ClientSettings to the req Client. Note that we reuse req's
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// transport layer (which implements Chrome impersonation) but don't use
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// its request pipeline, so we don't get automatic retry, etc.
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http := req.WithTransportOverride(settings, reqClient).Compile()
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// ClientSettings.Compile() does not instantiate a cookie jar, so do it
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// ourselves.
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jar, err := cookiejar.New(&cookiejar.Options{
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PublicSuffixList: publicsuffix.List,
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})
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if err != nil {
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return nil, fmt.Errorf("failed to create cookie jar: %w", err)
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}
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http.Jar = jar
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return http, nil
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}
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