gitlab-org--gitlab-foss/lib/container_registry/client.rb

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require 'faraday'
require 'faraday_middleware'
module ContainerRegistry
class Client
attr_accessor :uri
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MANIFEST_VERSION = 'application/vnd.docker.distribution.manifest.v2+json'.freeze
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# Taken from: FaradayMiddleware::FollowRedirects
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REDIRECT_CODES = Set.new [301, 302, 303, 307]
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def initialize(base_uri, options = {})
@base_uri = base_uri
@options = options
end
def repository_tags(name)
response_body faraday.get("/v2/#{name}/tags/list")
end
def repository_manifest(name, reference)
response_body faraday.get("/v2/#{name}/manifests/#{reference}")
end
def repository_tag_digest(name, reference)
response = faraday.head("/v2/#{name}/manifests/#{reference}")
response.headers['docker-content-digest'] if response.success?
end
def delete_repository_tag(name, reference)
faraday.delete("/v2/#{name}/manifests/#{reference}").success?
end
def blob(name, digest, type = nil)
type ||= 'application/octet-stream'
response_body faraday_blob.get("/v2/#{name}/blobs/#{digest}", nil, 'Accept' => type), allow_redirect: true
end
def delete_blob(name, digest)
faraday.delete("/v2/#{name}/blobs/#{digest}").success?
end
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private
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def initialize_connection(conn, options)
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conn.request :json
if options[:user] && options[:password]
conn.request(:basic_auth, options[:user].to_s, options[:password].to_s)
elsif options[:token]
conn.request(:authorization, :bearer, options[:token].to_s)
end
conn.adapter :net_http
end
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def accept_manifest(conn)
conn.headers['Accept'] = MANIFEST_VERSION
conn.response :json, content_type: 'application/json'
conn.response :json, content_type: 'application/vnd.docker.distribution.manifest.v1+prettyjws'
conn.response :json, content_type: 'application/vnd.docker.distribution.manifest.v1+json'
conn.response :json, content_type: 'application/vnd.docker.distribution.manifest.v2+json'
end
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def response_body(response, allow_redirect: false)
if allow_redirect && REDIRECT_CODES.include?(response.status)
response = redirect_response(response.headers['location'])
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end
response.body if response && response.success?
end
def redirect_response(location)
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return unless location
faraday_redirect.get(location)
end
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def faraday
@faraday ||= Faraday.new(@base_uri) do |conn|
initialize_connection(conn, @options)
accept_manifest(conn)
end
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end
def faraday_blob
@faraday_blob ||= Faraday.new(@base_uri) do |conn|
initialize_connection(conn, @options)
end
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end
# Create a new request to make sure the Authorization header is not inserted
# via the Faraday middleware
def faraday_redirect
@faraday_redirect ||= Faraday.new(@base_uri) do |conn|
conn.request :json
conn.adapter :net_http
end
end
end
end