1 files changed, 78 insertions, 0 deletions
diff --git a/lib/gitlab/legacy_http.rb b/lib/gitlab/legacy_http.rb
new file mode 100644
index 00000000000..f38b2819c15
--- /dev/null
+++ b/lib/gitlab/legacy_http.rb
@@ -0,0 +1,78 @@
+# frozen_string_literal: true
+
+#
+# IMPORTANT: With the new development of the 'gitlab-http' gem (https://gitlab.com/gitlab-org/gitlab/-/issues/415686),
+# no additional change should be implemented in this class. This class will be removed after migrating all
+# the usages to the new gem.
+#
+
+require_relative 'http_connection_adapter'
+
+module Gitlab
+  class LegacyHTTP # rubocop:disable Gitlab/NamespacedClass
+    include HTTParty # rubocop:disable Gitlab/HTTParty
+
+    class << self
+      alias_method :httparty_perform_request, :perform_request
+    end
+
+    connection_adapter ::Gitlab::HTTPConnectionAdapter
+
+    def self.perform_request(http_method, path, options, &block)
+      raise_if_blocked_by_silent_mode(http_method)
+
+      log_info = options.delete(:extra_log_info)
+      options_with_timeouts =
+        if !options.has_key?(:timeout)
+          options.with_defaults(Gitlab::HTTP::DEFAULT_TIMEOUT_OPTIONS)
+        else
+          options
+        end
+
+      return httparty_perform_request(http_method, path, options_with_timeouts, &block) if options[:stream_body]
+
+      start_time = nil
+      read_total_timeout = options.fetch(:timeout, Gitlab::HTTP::DEFAULT_READ_TOTAL_TIMEOUT)
+
+      httparty_perform_request(http_method, path, options_with_timeouts) do |fragment|
+        start_time ||= Gitlab::Metrics::System.monotonic_time
+        elapsed = Gitlab::Metrics::System.monotonic_time - start_time
+
+        if elapsed > read_total_timeout
+          raise Gitlab::HTTP::ReadTotalTimeout, "Request timed out after #{elapsed} seconds"
+        end
+
+        yield fragment if block
+      end
+    rescue HTTParty::RedirectionTooDeep
+      raise Gitlab::HTTP::RedirectionTooDeep
+    rescue *Gitlab::HTTP::HTTP_ERRORS => e
+      extra_info = log_info || {}
+      extra_info = log_info.call(e, path, options) if log_info.respond_to?(:call)
+      Gitlab::ErrorTracking.log_exception(e, extra_info)
+      raise e
+    end
+
+    def self.try_get(path, options = {}, &block)
+      self.get(path, options, &block) # rubocop:disable Style/RedundantSelf
+    rescue *Gitlab::HTTP::HTTP_ERRORS
+      nil
+    end
+
+    def self.raise_if_blocked_by_silent_mode(http_method)
+      return unless blocked_by_silent_mode?(http_method)
+
+      ::Gitlab::SilentMode.log_info(
+        message: 'Outbound HTTP request blocked',
+        outbound_http_request_method: http_method.to_s
+      )
+
+      raise Gitlab::HTTP::SilentModeBlockedError,
+        'only get, head, options, and trace methods are allowed in silent mode'
+    end
+
+    def self.blocked_by_silent_mode?(http_method)
+      ::Gitlab::SilentMode.enabled? && Gitlab::HTTP::SILENT_MODE_ALLOWED_METHODS.exclude?(http_method)
+    end
+  end
+end