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cd17eb0fa7
Mastodon with `AUTHORIZED_FETCH` enabled requires the `Host` header to be signed too, add it to the default for `setting.Federation.GetHeaders` and `setting.Federation.PostHeaders`. For this to work, we need to sign the request later: not immediately after `NewRequest`, but just before sending them out with `client.Do`. Doing so also lets us use `setting.Federation.GetHeaders` (we were using `.PostHeaders` even for GET requests before). Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package setting
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import (
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"code.gitea.io/gitea/modules/log"
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"github.com/go-fed/httpsig"
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)
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// Federation settings
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var (
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Federation = struct {
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Enabled bool
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ShareUserStatistics bool
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MaxSize int64
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Algorithms []string
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DigestAlgorithm string
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GetHeaders []string
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PostHeaders []string
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}{
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Enabled: false,
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ShareUserStatistics: true,
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MaxSize: 4,
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Algorithms: []string{"rsa-sha256", "rsa-sha512", "ed25519"},
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DigestAlgorithm: "SHA-256",
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GetHeaders: []string{"(request-target)", "Date", "Host"},
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PostHeaders: []string{"(request-target)", "Date", "Host", "Digest"},
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}
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)
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// HttpsigAlgs is a constant slice of httpsig algorithm objects
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var HttpsigAlgs []httpsig.Algorithm
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func loadFederationFrom(rootCfg ConfigProvider) {
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if err := rootCfg.Section("federation").MapTo(&Federation); err != nil {
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log.Fatal("Failed to map Federation settings: %v", err)
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} else if !httpsig.IsSupportedDigestAlgorithm(Federation.DigestAlgorithm) {
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log.Fatal("unsupported digest algorithm: %s", Federation.DigestAlgorithm)
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return
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}
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// Get MaxSize in bytes instead of MiB
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Federation.MaxSize = 1 << 20 * Federation.MaxSize
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HttpsigAlgs = make([]httpsig.Algorithm, len(Federation.Algorithms))
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for i, alg := range Federation.Algorithms {
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HttpsigAlgs[i] = httpsig.Algorithm(alg)
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}
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}
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