mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-30 07:32:45 +00:00
60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
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/*
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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 util
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import (
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"fmt"
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"strings"
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"github.com/superseriousbusiness/gotosocial/internal/regexes"
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)
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// ExtractNamestringParts extracts the username test_user and
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// the domain example.org from a string like @test_user@example.org.
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//
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// If nothing is matched, it will return an error.
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func ExtractNamestringParts(mention string) (username, host string, err error) {
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matches := regexes.MentionName.FindStringSubmatch(mention)
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switch len(matches) {
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case 2:
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return matches[1], "", nil
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case 3:
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return matches[1], matches[2], nil
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default:
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return "", "", fmt.Errorf("couldn't match mention %s", mention)
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}
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}
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// ExtractWebfingerParts returns username test_user and
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// domain example.org from a string like acct:test_user@example.org,
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// or acct:@test_user@example.org.
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//
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// If nothing is extracted, it will return an error.
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func ExtractWebfingerParts(webfinger string) (username, host string, err error) {
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// remove the acct: prefix if it's present
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webfinger = strings.TrimPrefix(webfinger, "acct:")
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// prepend an @ if necessary
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if webfinger[0] != '@' {
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webfinger = "@" + webfinger
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}
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return ExtractNamestringParts(webfinger)
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}
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