mirror of
https://github.com/superseriousbusiness/gotosocial.git
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73e9cca701* defer lock reader * close readers when finished with them * close the reader in the teereader when finished
77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 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 media
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import (
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"fmt"
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"io"
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"strconv"
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"strings"
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)
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func parseFocus(focus string) (focusx, focusy float32, err error) {
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if focus == "" {
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return
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}
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spl := strings.Split(focus, ",")
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if len(spl) != 2 {
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err = fmt.Errorf("improperly formatted focus %s", focus)
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return
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}
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xStr := spl[0]
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yStr := spl[1]
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if xStr == "" || yStr == "" {
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err = fmt.Errorf("improperly formatted focus %s", focus)
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return
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}
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fx, err := strconv.ParseFloat(xStr, 32)
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if err != nil {
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err = fmt.Errorf("improperly formatted focus %s: %s", focus, err)
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return
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}
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if fx > 1 || fx < -1 {
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err = fmt.Errorf("improperly formatted focus %s", focus)
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return
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}
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focusx = float32(fx)
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fy, err := strconv.ParseFloat(yStr, 32)
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if err != nil {
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err = fmt.Errorf("improperly formatted focus %s: %s", focus, err)
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return
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}
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if fy > 1 || fy < -1 {
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err = fmt.Errorf("improperly formatted focus %s", focus)
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return
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}
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focusy = float32(fy)
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return
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}
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type teeReadCloser struct {
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teeReader io.Reader
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close func() error
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}
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func (t teeReadCloser) Read(p []byte) (n int, err error) {
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return t.teeReader.Read(p)
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}
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func (t teeReadCloser) Close() error {
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return t.close()
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}
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