feat[patch]: support for patch verb

README.md

@@ -42,9 +42,9 @@ response.body
 
 ### API reference
 
-`SsrfFilter.get/.put/.post/.delete/.head(url, options = {}, &block)`
+`SsrfFilter.get/.put/.post/.delete/.head/.patch(url, options = {}, &block)`
 
-Fetches the requested url using a get/put/post/delete/head request, respectively.
+Fetches the requested url using a get/put/post/delete/head/patch request, respectively.
 
 Params:
 - `url` — the url to fetch.

lib/ssrf_filter/ssrf_filter.rb

@@ -77,7 +77,8 @@ def self.prefixlen_from_ipaddr(ipaddr)
     put: ::Net::HTTP::Put,
     post: ::Net::HTTP::Post,
     delete: ::Net::HTTP::Delete,
-    head: ::Net::HTTP::Head
+    head: ::Net::HTTP::Head,
+    patch: ::Net::HTTP::Patch
   }.freeze
 
   FIBER_LOCAL_KEY = :__ssrf_filter_hostname
@@ -100,7 +101,7 @@ class TooManyRedirects < Error
   class CRLFInjection < Error
   end
 
-  %i[get put post delete head].each do |method|
+  %i[get put post delete head patch].each do |method|
     define_singleton_method(method) do |url, options = {}, &block|
       ::SsrfFilter::Patch::SSLSocket.apply!
       ::SsrfFilter::Patch::HTTPGenericRequest.apply!

ssrf_filter.gemspec

@@ -19,6 +19,7 @@ Gem::Specification.new do |gem|
 
   gem.add_development_dependency('bundler-audit', '~> 0.6.1')
   gem.add_development_dependency('coveralls', '~> 0.8.22')
+  gem.add_development_dependency('psych', '< 4')
   gem.add_development_dependency('rspec', '~> 3.8.0')
   gem.add_development_dependency('webmock', '>= 3.5.1')
   gem.add_development_dependency('webrick') if major >= 3
@@ -31,6 +32,7 @@ Gem::Specification.new do |gem|
     # ssrf_filter doesn't use public_suffix directly, it's required by `addressable` which is required
     # by `webmock`. We need to set this requirement here to pin a version that is compatible with ruby 2.0
     gem.add_development_dependency('public_suffix', '2.0.5')
+    gem.add_development_dependency('rexml', '3.2.4')
     gem.add_development_dependency('rubocop', '~> 0.50.0')
   end
 end