135 lines
4.5 KiB
Ruby
135 lines
4.5 KiB
Ruby
module Gitlab
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module Regex
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extend self
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# The namespace regex is used in Javascript to validate usernames in the "Register" form. However, Javascript
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# does not support the negative lookbehind assertion (?<!) that disallows usernames ending in `.git` and `.atom`.
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# Since this is a non-trivial problem to solve in Javascript (heavily complicate the regex, modify view code to
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# allow non-regex validatiions, etc), `NAMESPACE_REGEX_STR_SIMPLE` serves as a Javascript-compatible version of
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# `NAMESPACE_REGEX_STR`, with the negative lookbehind assertion removed. This means that the client-side validation
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# will pass for usernames ending in `.atom` and `.git`, but will be caught by the server-side validation.
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PATH_REGEX_STR = '[a-zA-Z0-9_\.][a-zA-Z0-9_\-\.]*'.freeze
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NAMESPACE_REGEX_STR_SIMPLE = PATH_REGEX_STR + '[a-zA-Z0-9_\-]|[a-zA-Z0-9_]'.freeze
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NAMESPACE_REGEX_STR = '(?:' + NAMESPACE_REGEX_STR_SIMPLE + ')(?<!\.git|\.atom)'.freeze
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PROJECT_REGEX_STR = PATH_REGEX_STR + '(?<!\.git|\.atom)'.freeze
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def namespace_regex
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@namespace_regex ||= /\A#{NAMESPACE_REGEX_STR}\z/.freeze
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end
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def namespace_route_regex
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@namespace_route_regex ||= /#{NAMESPACE_REGEX_STR}/.freeze
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end
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def namespace_regex_message
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"can contain only letters, digits, '_', '-' and '.'. " \
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"Cannot start with '-' or end in '.', '.git' or '.atom'." \
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end
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def namespace_name_regex
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@namespace_name_regex ||= /\A[\p{Alnum}\p{Pd}_\. ]*\z/.freeze
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end
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def namespace_name_regex_message
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"can contain only letters, digits, '_', '.', dash and space."
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end
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def project_name_regex
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@project_name_regex ||= /\A[\p{Alnum}\u{00A9}-\u{1f9c0}_][\p{Alnum}\p{Pd}\u{00A9}-\u{1f9c0}_\. ]*\z/.freeze
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end
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def project_name_regex_message
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"can contain only letters, digits, emojis, '_', '.', dash, space. " \
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"It must start with letter, digit, emoji or '_'."
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end
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def project_path_regex
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@project_path_regex ||= /\A#{PROJECT_REGEX_STR}\z/.freeze
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end
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def project_route_regex
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@project_route_regex ||= /#{PROJECT_REGEX_STR}/.freeze
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end
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def project_git_route_regex
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@project_route_git_regex ||= /#{PATH_REGEX_STR}\.git/.freeze
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end
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def project_path_regex_message
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"can contain only letters, digits, '_', '-' and '.'. " \
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"Cannot start with '-', end in '.git' or end in '.atom'" \
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end
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def file_name_regex
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@file_name_regex ||= /\A[[[:alnum:]]_\-\.\@]*\z/.freeze
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end
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def file_name_regex_message
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"can contain only letters, digits, '_', '-', '@' and '.'."
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end
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def file_path_regex
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@file_path_regex ||= /\A[[[:alnum:]]_\-\.\/\@]*\z/.freeze
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end
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def file_path_regex_message
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"can contain only letters, digits, '_', '-', '@' and '.'. Separate directories with a '/'."
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end
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def directory_traversal_regex
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@directory_traversal_regex ||= /\.{2}/.freeze
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end
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def directory_traversal_regex_message
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"cannot include directory traversal."
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end
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def archive_formats_regex
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# |zip|tar| tar.gz | tar.bz2 |
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@archive_formats_regex ||= /(zip|tar|tar\.gz|tgz|gz|tar\.bz2|tbz|tbz2|tb2|bz2)/.freeze
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end
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def git_reference_regex
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# Valid git ref regex, see:
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# https://www.kernel.org/pub/software/scm/git/docs/git-check-ref-format.html
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@git_reference_regex ||= %r{
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(?!
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(?# doesn't begins with)
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\/| (?# rule #6)
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(?# doesn't contain)
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.*(?:
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[\/.]\.| (?# rule #1,3)
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\/\/| (?# rule #6)
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@\{| (?# rule #8)
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\\ (?# rule #9)
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)
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)
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[^\000-\040\177~^:?*\[]+ (?# rule #4-5)
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(?# doesn't end with)
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(?<!\.lock) (?# rule #1)
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(?<![\/.]) (?# rule #6-7)
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}x.freeze
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end
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def container_registry_reference_regex
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git_reference_regex
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end
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def environment_name_regex
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@environment_name_regex ||= /\A[a-zA-Z0-9_\\\/\${}. -]+\z/.freeze
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end
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def environment_name_regex_message
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"can contain only letters, digits, '-', '_', '/', '$', '{', '}', '.' and spaces"
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end
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def kubernetes_namespace_regex
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/\A[a-z0-9]([-a-z0-9]*[a-z0-9])?\z/
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end
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def kubernetes_namespace_regex_message
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"can contain only letters, digits or '-', and cannot start or end with '-'"
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end
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end
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end
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