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Merge pull request #8679 from dependabot/dev/rybrande/NugetJsonParse
NuGet efficiency
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Original file line number | Diff line number | Diff line change |
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# typed: true | ||
# frozen_string_literal: true | ||
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require "dependabot/nuget/cache_manager" | ||
require "dependabot/nuget/update_checker/repository_finder" | ||
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module Dependabot | ||
module Nuget | ||
class NugetClient | ||
def self.get_package_versions_v3(dependency_name, repository_details) | ||
# Use the registration URL if possible because it is fast and correct | ||
if repository_details[:registration_url] | ||
get_versions_from_registration_v3(repository_details) | ||
# use the search API if not because it is slow but correct | ||
elsif repository_details[:search_url] | ||
get_versions_from_search_url_v3(repository_details, dependency_name) | ||
# Otherwise, use the versions URL (fast but wrong because it includes unlisted versions) | ||
elsif repository_details[:versions_url] | ||
get_versions_from_versions_url_v3(repository_details) | ||
end | ||
end | ||
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private_class_method def self.get_versions_from_versions_url_v3(repository_details) | ||
body = execute_search_for_dependency_url(repository_details[:versions_url], repository_details) | ||
body&.fetch("versions") | ||
end | ||
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private_class_method def self.get_versions_from_registration_v3(repository_details) | ||
url = repository_details[:registration_url] | ||
body = execute_search_for_dependency_url(url, repository_details) | ||
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return unless body | ||
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pages = body.fetch("items") | ||
versions = Set.new | ||
pages.each do |page| | ||
items = page["items"] | ||
if items | ||
# inlined entries | ||
items.each do |item| | ||
catalog_entry = item["catalogEntry"] | ||
if catalog_entry["listed"] == true | ||
vers = catalog_entry["version"] | ||
versions << vers | ||
end | ||
end | ||
else | ||
# paged entries | ||
page_url = page["@id"] | ||
page_body = execute_search_for_dependency_url(page_url, repository_details) | ||
items = page_body.fetch("items") | ||
items.each do |item| | ||
catalog_entry = item.fetch("catalogEntry") | ||
versions << catalog_entry.fetch("version") if catalog_entry["listed"] == true | ||
end | ||
end | ||
end | ||
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versions | ||
end | ||
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private_class_method def self.get_versions_from_search_url_v3(repository_details, dependency_name) | ||
search_url = repository_details[:search_url] | ||
body = execute_search_for_dependency_url(search_url, repository_details) | ||
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body&.fetch("data") | ||
&.find { |d| d.fetch("id").casecmp(dependency_name.downcase).zero? } | ||
&.fetch("versions") | ||
&.map { |d| d.fetch("version") } | ||
end | ||
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private_class_method def self.execute_search_for_dependency_url(url, repository_details) | ||
cache = CacheManager.cache("dependency_url_search_cache") | ||
cache[url] ||= Dependabot::RegistryClient.get( | ||
url: url, | ||
headers: repository_details[:auth_header] | ||
) | ||
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response = cache[url] | ||
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return unless response.status == 200 | ||
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body = remove_wrapping_zero_width_chars(response.body) | ||
JSON.parse(body) | ||
rescue Excon::Error::Timeout, Excon::Error::Socket | ||
repo_url = repository_details[:repository_url] | ||
raise if repo_url == Dependabot::Nuget::UpdateChecker::RepositoryFinder::DEFAULT_REPOSITORY_URL | ||
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raise PrivateSourceTimedOut, repo_url | ||
end | ||
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private_class_method def self.remove_wrapping_zero_width_chars(string) | ||
string.force_encoding("UTF-8").encode | ||
.gsub(/\A[\u200B-\u200D\uFEFF]/, "") | ||
.gsub(/[\u200B-\u200D\uFEFF]\Z/, "") | ||
end | ||
end | ||
end | ||
end |
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