forked from TrueCloudLab/distribution
20 lines
947 B
Go
20 lines
947 B
Go
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package v2
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import "regexp"
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// This file defines regular expressions for use in route definition. These
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// are also defined in the registry code base. Until they are in a common,
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// shared location, and exported, they must be repeated here.
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// RepositoryNameComponentRegexp restricts registtry path components names to
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// start with at least two letters or numbers, with following parts able to
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// separated by one period, dash or underscore.
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var RepositoryNameComponentRegexp = regexp.MustCompile(`[a-z0-9]+(?:[._-][a-z0-9]+)*`)
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// RepositoryNameRegexp builds on RepositoryNameComponentRegexp to allow 2 to
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// 5 path components, separated by a forward slash.
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var RepositoryNameRegexp = regexp.MustCompile(`(?:` + RepositoryNameComponentRegexp.String() + `/){1,4}` + RepositoryNameComponentRegexp.String())
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// TagNameRegexp matches valid tag names. From docker/docker:graph/tags.go.
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var TagNameRegexp = regexp.MustCompile(`[\w][\w.-]{0,127}`)
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