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require 'net/http'
require 'openssl'
require 'json'
require_relative 'gitlab_config'
require_relative 'gitlab_logger'
class GitlabNet
def allowed?(cmd, repo, actor, changes)
project_name = repo.gsub("'", "")
project_name = project_name.gsub(/\.git\Z/, "")
project_name = project_name.gsub(/\A\//, "")
params = {
action: cmd,
changes: changes,
project: project_name,
}
if actor =~ /\Akey\-\d+\Z/
params.merge!(key_id: actor.gsub("key-", ""))
elsif actor =~ /\Auser\-\d+\Z/
params.merge!(user_id: actor.gsub("user-", ""))
end
url = "#{host}/allowed"
resp = post(url, params)
!!(resp.code == '200' && resp.body == 'true')
end
def discover(key)
key_id = key.gsub("key-", "")
resp = get("#{host}/discover?key_id=#{key_id}")
JSON.parse(resp.body) rescue nil
end
def check
get("#{host}/check")
end
protected
def config
@config ||= GitlabConfig.new
end
def host
"#{config.gitlab_url}/api/v3/internal"
end
def http_client_for(url)
Net::HTTP.new(url.host, url.port).tap do |http|
if URI::HTTPS === url
http.use_ssl = true
http.cert_store = cert_store
http.verify_mode = OpenSSL::SSL::VERIFY_NONE if config.http_settings['self_signed_cert']
end
end
end
def http_request_for(url, method = :get)
user = config.http_settings['user']
password = config.http_settings['password']
if method == :get
Net::HTTP::Get.new(url.request_uri).tap { |r| r.basic_auth(user, password) if user && password }
else
Net::HTTP::Post.new(url.request_uri).tap { |r| r.basic_auth(user, password) if user && password }
end
end
def get(url)
$logger.debug "Performing GET #{url}"
url = URI.parse(url)
http = http_client_for url
request = http_request_for url
request.set_form_data(secret_token: secret_token)
http.start { |http| http.request(request) }.tap do |resp|
if resp.code == "200"
$logger.debug { "Received response #{resp.code} => <#{resp.body}>." }
else
$logger.error { "API call <GET #{url}> failed: #{resp.code} => <#{resp.body}>." }
end
end
end
def post(url, params)
$logger.debug "Performing POST #{url}"
url = URI.parse(url)
http = http_client_for(url)
request = http_request_for(url, :post)
request.set_form_data(params.merge(secret_token: secret_token))
http.start { |http| http.request(request) }.tap do |resp|
if resp.code == "200"
$logger.debug { "Received response #{resp.code} => <#{resp.body}>." }
else
$logger.error { "API call <POST #{url}> failed: #{resp.code} => <#{resp.body}>." }
end
end
end
def cert_store
@cert_store ||= OpenSSL::X509::Store.new.tap do |store|
store.set_default_paths
if ca_file = config.http_settings['ca_file']
store.add_file(ca_file)
end
if ca_path = config.http_settings['ca_path']
store.add_path(ca_path)
end
end
end
def secret_token
@secret_token ||= File.read File.join(ROOT_PATH, '.gitlab_shell_secret')
end
end
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