release: 1.91.1

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.91.0"
+  ".": "1.91.1"
 }

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.91.1 (2025-09-26)
+
+Full Changelog: [v1.91.0...v1.91.1](https://github.com/Increase/increase-ruby/compare/v1.91.0...v1.91.1)
+
+### Bug Fixes
+
+* shorten multipart boundary sep to less than RFC specificed max length ([5cb2c65](https://github.com/Increase/increase-ruby/commit/5cb2c65146a070d5ecbe1e459858669e598449ad))
+
 ## 1.91.0 (2025-09-26)
 
 Full Changelog: [v1.90.0...v1.91.0](https://github.com/Increase/increase-ruby/compare/v1.90.0...v1.91.0)

Gemfile.lock

@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    increase (1.91.0)
+    increase (1.91.1)
       connection_pool
 
 GEM

README.md

@@ -15,7 +15,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "increase", "~> 1.91.0"
+gem "increase", "~> 1.91.1"
 ```
 
 <!-- x-release-please-end -->

lib/increase/internal/util.rb

@@ -566,7 +566,8 @@ class << self
         #
         # @return [Array(String, Enumerable<String>)]
         private def encode_multipart_streaming(body)
-          boundary = SecureRandom.urlsafe_base64(60)
+          # RFC 1521 Section 7.2.1 says we should have 70 char maximum for boundary length
+          boundary = SecureRandom.urlsafe_base64(46)
 
           closing = []
           strio = writable_enum do |y|

lib/increase/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Increase
-  VERSION = "1.91.0"
+  VERSION = "1.91.1"
 end

test/increase/internal/util_test.rb

@@ -213,6 +213,18 @@ def env_table
     end
   end
 
+  def test_encoding_length
+    headers, = Increase::Internal::Util.encode_content(
+      {"content-type" => "multipart/form-data"},
+      Pathname(__FILE__)
+    )
+    assert_pattern do
+      headers.fetch("content-type") => /boundary=(.+)$/
+    end
+    field, = Regexp.last_match.captures
+    assert(field.length < 70 - 6)
+  end
+
   def test_file_encode
     file = Pathname(__FILE__)
     headers = {"content-type" => "multipart/form-data"}