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40 lines
899 B
Go
40 lines
899 B
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package model
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import (
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"regexp"
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"unicode/utf8"
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)
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const (
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MinIdLength = 3
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MaxIdLength = 190
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ValidIdRegex = `^[a-zA-Z0-9-_\.]+$`
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)
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// ValidId constrains the set of valid plugin identifiers:
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// ^[a-zA-Z0-9-_\.]+
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var validId *regexp.Regexp
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func init() {
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validId = regexp.MustCompile(ValidIdRegex)
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}
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// IsValidPluginId verifies that the plugin id has a minimum length of 3, maximum length of 190, and
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// contains only alphanumeric characters, dashes, underscores and periods.
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//
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// These constraints are necessary since the plugin id is used as part of a filesystem path.
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func IsValidPluginId(id string) bool {
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if utf8.RuneCountInString(id) < MinIdLength {
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return false
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}
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if utf8.RuneCountInString(id) > MaxIdLength {
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return false
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}
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return validId.MatchString(id)
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}
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