mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
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a48cce82b9
* [chore] Bump tooling versions, bump go -> v1.23.0 * undo silly change * sign * bump go version in go.mod * allow overflow in imaging * goreleaser deprecation notices * [chore] Upgrade golangci-lint, ignore existing int overflow warnings There is a new lint for unchecked int casts. Integer overflows are bad, but the old code that triggers this lint seems to be perfectly fine. Instead of disabling the lint entirely for new code as well, grandfather in existing code. * fix golangci-lint documentation link * revert unrelated changes * revert another unrelated change * get rid of remaining nolint:gosec * swagger updates * apply review feedback * fix wrong formatting specifier thing * fix the linter for real --------- Co-authored-by: tobi <tobi.smethurst@protonmail.com>
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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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 <http://www.gnu.org/licenses/>.
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package transport
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import (
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"context"
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"io"
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"net/http"
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"net/url"
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"codeberg.org/gruf/go-bytesize"
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"codeberg.org/gruf/go-iotools"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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)
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func (t *transport) DereferenceMedia(ctx context.Context, iri *url.URL, maxsz int64) (io.ReadCloser, error) {
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// Build IRI just once
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iriStr := iri.String()
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// Prepare HTTP request to this media's IRI
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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", "*/*") // we don't know what kind of media we're going to get here
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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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// Check for an expected status code
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if rsp.StatusCode != http.StatusOK {
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return nil, gtserror.NewFromResponse(rsp)
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}
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// Check media within size limit.
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if rsp.ContentLength > maxsz {
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_ = rsp.Body.Close() // close early.
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sz := bytesize.Size(maxsz) //nolint:gosec
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return nil, gtserror.Newf("media body exceeds max size %s", sz)
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}
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// Update response body with maximum supported media size.
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rsp.Body, _, _ = iotools.UpdateReadCloserLimit(rsp.Body, maxsz)
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return rsp.Body, nil
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}
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