Replace excon with Net::HTTP to support Unzer AWS proxy

.github/workflows/test_and_lint.yml

@@ -8,7 +8,6 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - "2.6"
           - "2.7"
           - "3.0"
           - "3.1"

Gemfile

@@ -1,4 +1,13 @@
 source "https://rubygems.org"
 
+gem "bundler"
+gem "minitest"
+gem "pry"
+gem "rake"
+gem "rubocop"
+gem "simplecov"
+gem "simplecov-console"
+gem "webmock"
+
 # Specify your gem's dependencies in quickpay-ruby-client.gemspec
 gemspec

lib/quickpay/api/client.rb

@@ -1,5 +1,5 @@
-require "excon"
 require "json"
+require "net/http"
 require "quickpay/api/error"
 require "quickpay/api/version"
 
@@ -16,20 +16,28 @@ class Client
       Request = Struct.new(:method, :path, :body, :headers, :query) # rubocop:disable Lint/StructNewOverride
 
       def initialize(username: nil, password: nil, base_uri: "https://api.quickpay.net", options: {})
-        opts = {
-          read_timeout: options.fetch(:read_timeout, 60),
-          write_timeout: options.fetch(:write_timeout, 60),
-          connect_timeout: options.fetch(:connect_timeout, 60),
-          json_opts: options.fetch(:json_opts, nil)
-        }
-
-        opts[:username] = Excon::Utils.escape_uri(username) if username
-        opts[:password] = Excon::Utils.escape_uri(password) if password
-
-        @connection = Excon.new(base_uri, opts)
+        @read_timeout = options.fetch(:read_timeout, 60)
+        @write_timeout = options.fetch(:write_timeout, 60)
+        @connect_timeout = options.fetch(:connect_timeout, 60)
+        @json_opts = options.fetch(:json_opts, nil)
+
+        uri_parser = URI::Parser.new
+        @username = uri_parser.escape(username) if username
+        @password = uri_parser.escape(password) if password
+        @base_uri = base_uri
       end
 
-      %i[get post patch put delete head].each do |method|
+      HTTPS = "https".freeze
+
+      [
+        Net::HTTP::Get,
+        Net::HTTP::Post,
+        Net::HTTP::Patch,
+        Net::HTTP::Put,
+        Net::HTTP::Delete,
+        Net::HTTP::Head
+      ].each do |method_class|
+        method = method_class.to_s.split("::").last.downcase
         define_method(method) do |path, **options, &block|
           headers = DEFAULT_HEADERS.merge(options.fetch(:headers, {}))
           body    = begin
@@ -42,29 +50,48 @@ def initialize(username: nil, password: nil, base_uri: "https://api.quickpay.net
           end
 
           req = Request.new(
-            method,
+            method.to_sym,
             path,
             scrub_body(body.dup, headers["Content-Type"]),
             headers,
-            options.fetch(:query, {})
+            options[:query]
           ).freeze
 
-          res = @connection.request(**req.to_h)
-          error = QuickPay::API::Error.by_status_code(res.status, res.body, res.headers, req)
+          uri = URI(@base_uri)
+          uri.path << req.path
+          if (query = req.query) && query.any?
+            uri.query = URI.encode_www_form(req.query)
+          end
+          net_req = method_class.new(uri, req.headers)
+          net_req.basic_auth(@username, @password) if @username || @password
+          net_req.body = req.body
+          res = Net::HTTP.start(
+            uri.hostname,
+            use_ssl: uri.scheme == HTTPS,
+            open_timeout: @connect_timeout,
+            read_timeout: @read_timeout,
+            write_timeout: @write_timeout
+          ) do |http|
+            http.request(net_req)
+          end
+          status_code = res.code.to_i
+          body = res.body
+          headers = res.each_header.to_h
+          error = QuickPay::API::Error.by_status_code(status_code, body, headers, req)
 
-          if !options.fetch(:raw, false) && res.headers["Content-Type"] =~ CONTENT_TYPE_JSON_REGEX
-            res.body = JSON.parse(res.body, options[:json_opts] || @connection.data[:json_opts])
+          if !options.fetch(:raw, false) && res["content-type"] =~ CONTENT_TYPE_JSON_REGEX
+            body = JSON.parse(body, options[:json_opts] || @json_opts)
           end
 
           if block
             # Raise error if not specified as fourth block parameter
             raise error if error && block.parameters.size < 4
 
-            block.call(res.body, res.status, res.headers, error)
+            block.call(body, status_code, headers, error)
           else
             raise error if error
 
-            [res.body, res.status, res.headers]
+            [body, status_code, headers]
           end
         end
       end

lib/quickpay/api/version.rb

@@ -1,5 +1,5 @@
 module QuickPay
   module API
-    VERSION = "3.0.2".freeze
+    VERSION = "4.0.0".freeze
   end
 end

quickpay-ruby-client.gemspec

@@ -19,14 +19,5 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler"
-  spec.add_development_dependency "minitest"
-  spec.add_development_dependency "pry"
-  spec.add_development_dependency "rake"
-  spec.add_development_dependency "rubocop"
-  spec.add_development_dependency "simplecov"
-  spec.add_development_dependency "simplecov-console"
-
-  spec.add_dependency "excon", ">= 0.79"
   spec.add_dependency "json", "~> 2", ">= 2.5"
 end