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path: root/internal/api/util/signaturectx.go
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/*
   GoToSocial
   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package util

import (
	"context"

	"github.com/gin-gonic/gin"
	"github.com/superseriousbusiness/gotosocial/internal/ap"
)

// TransferSignatureContext transfers a signature verifier and signature from a gin context to a go context.
func TransferSignatureContext(c *gin.Context) context.Context {
	ctx := c.Request.Context()

	if verifier, signed := c.Get(string(ap.ContextRequestingPublicKeyVerifier)); signed {
		ctx = context.WithValue(ctx, ap.ContextRequestingPublicKeyVerifier, verifier)
	}

	if signature, signed := c.Get(string(ap.ContextRequestingPublicKeySignature)); signed {
		ctx = context.WithValue(ctx, ap.ContextRequestingPublicKeySignature, signature)
	}

	return ctx
}