60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 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 user
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import (
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"context"
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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)
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// ActivityPubAcceptHeaders represents the Accept headers mentioned here:
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// https://www.w3.org/TR/activitypub/#retrieving-objects
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var ActivityPubAcceptHeaders = []string{
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`application/activity+json`,
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`application/ld+json; profile="https://www.w3.org/ns/activitystreams"`,
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}
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// populateContext transfers the signature verifier and signature from the gin context to the request context
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func populateContext(c *gin.Context) context.Context {
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ctx := c.Request.Context()
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verifier, signed := c.Get(string(util.APRequestingPublicKeyVerifier))
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if signed {
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ctx = context.WithValue(ctx, util.APRequestingPublicKeyVerifier, verifier)
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}
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signature, signed := c.Get(string(util.APRequestingPublicKeySignature))
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if signed {
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ctx = context.WithValue(ctx, util.APRequestingPublicKeySignature, signature)
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}
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return ctx
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}
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func negotiateFormat(c *gin.Context) (string, error) {
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format := c.NegotiateFormat(ActivityPubAcceptHeaders...)
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if format == "" {
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return "", fmt.Errorf("no format can be offered for Accept headers %s", c.Request.Header.Get("Accept"))
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}
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return format, nil
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}
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