Merge refactor branch

.github/workflows/main.yml

@@ -2,8 +2,6 @@ name: CI
 
 on:
   push:
-    branches:
-      - main
 
   pull_request:
 
@@ -14,8 +12,8 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - "3.3"
           - "3.4"
+          - "4.0"
 
     steps:
     - uses: actions/checkout@v4
@@ -27,4 +25,22 @@ jobs:
     - name: Rubocop
       run: bundle exec rubocop
     - name: Rspec
-      run: bundle exec rspec
+      run: bundle exec rspec --tag ~browser
+
+  browser-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 4.0
+        bundler-cache: true
+    - name: Set up Chrome
+      uses: browser-actions/setup-chrome@v1
+      id: setup-chrome
+    - name: Browser specs (Cuprite)
+      run: bundle exec rspec --tag browser
+      env:
+        CHROME_PATH: ${{ steps.setup-chrome.outputs.chrome-path }}

.rubocop.yml

@@ -20,6 +20,12 @@ Layout/LineLength:
 Metrics/BlockLength:
   AllowedMethods: ["describe", "context", "shared_examples"]
 
+Metrics/AbcSize:
+  Max: 20
+
+Metrics/ClassLength:
+  Max: 120
+
 Metrics/MethodLength:
   Max: 15
 

Gemfile

@@ -16,13 +16,18 @@ group :documentation do
 end
 
 group :development, :test do
+  gem "capybara", "~> 3.40"
+  gem "cuprite", "~> 0.15"
   gem "pry", "~> 0.16"
-  gem "pry-byebug", "~> 3.8"
+  gem "pry-byebug", "~> 3.10"
+  gem "rack-test", "~> 2.1"
+  gem "rails", "~> 8.0"
   gem "rake", "~> 13.4"
   gem "rspec", "~> 3.13"
   gem "rubocop", "~> 1.88"
-  gem "rubocop-rake", "~> 0.6.0"
+  gem "rubocop-rake", "~> 0.7"
   gem "rubocop-rspec", "~> 2.31"
   gem "simplecov", "~> 0.22"
+  gem "sqlite3", "~> 2.0"
   gem "webmock", "~> 3.26"
 end

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    yookassa (0.2.0)
+    yookassa (0.2.1)
       dry-struct
       dry-validation
       rs-httpclient (= 3.0.0.beta1)
@@ -9,19 +9,111 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    action_text-trix (2.1.19)
+      railties
+    actioncable (8.1.3)
+      actionpack (= 8.1.3)
+      activesupport (= 8.1.3)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (8.1.3)
+      actionpack (= 8.1.3)
+      activejob (= 8.1.3)
+      activerecord (= 8.1.3)
+      activestorage (= 8.1.3)
+      activesupport (= 8.1.3)
+      mail (>= 2.8.0)
+    actionmailer (8.1.3)
+      actionpack (= 8.1.3)
+      actionview (= 8.1.3)
+      activejob (= 8.1.3)
+      activesupport (= 8.1.3)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (8.1.3)
+      actionview (= 8.1.3)
+      activesupport (= 8.1.3)
+      nokogiri (>= 1.8.5)
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+      useragent (~> 0.16)
+    actiontext (8.1.3)
+      action_text-trix (~> 2.1.15)
+      actionpack (= 8.1.3)
+      activerecord (= 8.1.3)
+      activestorage (= 8.1.3)
+      activesupport (= 8.1.3)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (8.1.3)
+      activesupport (= 8.1.3)
+      builder (~> 3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (8.1.3)
+      activesupport (= 8.1.3)
+      globalid (>= 0.3.6)
+    activemodel (8.1.3)
+      activesupport (= 8.1.3)
+    activerecord (8.1.3)
+      activemodel (= 8.1.3)
+      activesupport (= 8.1.3)
+      timeout (>= 0.4.0)
+    activestorage (8.1.3)
+      actionpack (= 8.1.3)
+      activejob (= 8.1.3)
+      activerecord (= 8.1.3)
+      activesupport (= 8.1.3)
+      marcel (~> 1.0)
+    activesupport (8.1.3)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      json
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
     addressable (2.9.0)
       public_suffix (>= 2.0.2, < 8.0)
     ast (2.4.3)
+    base64 (0.3.0)
     bigdecimal (4.1.2)
+    builder (3.3.0)
     byebug (13.0.0)
       reline (>= 0.6.0)
+    capybara (3.40.0)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.11)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
     coderay (1.1.3)
     concurrent-ruby (1.3.7)
+    connection_pool (3.0.2)
     crack (1.0.1)
       bigdecimal
       rexml
+    crass (1.0.7)
+    cuprite (0.17)
+      capybara (~> 3.0)
+      ferrum (~> 0.17.0)
+    date (3.5.1)
     diff-lcs (1.6.2)
     docile (1.4.1)
+    drb (2.2.3)
     dry-configurable (1.4.0)
       dry-core (~> 1.0)
       zeitwerk (~> 2.6)
@@ -62,19 +154,80 @@ GEM
       dry-initializer (~> 3.2)
       dry-schema (~> 1.14)
       zeitwerk (~> 2.6)
+    erb (6.0.4)
+    erubi (1.13.1)
+    ferrum (0.17.2)
+      addressable (~> 2.5)
+      base64 (~> 0.2)
+      concurrent-ruby (~> 1.1)
+      webrick (~> 1.7)
+      websocket-driver (~> 0.7)
+    globalid (1.4.0)
+      activesupport (>= 6.1)
     hashdiff (1.2.1)
+    i18n (1.15.2)
+      concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     io-console (0.8.2)
+    irb (1.18.0)
+      pp (>= 0.6.0)
+      prism (>= 1.3.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
     json (2.20.0)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     logger (1.7.0)
+    loofah (2.25.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.9.1)
+      logger
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.2.1)
+    matrix (0.4.3)
     method_source (1.1.0)
+    mini_mime (1.1.5)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
     mutex_m (0.3.0)
+    net-imap (0.6.4.1)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.1)
+      net-protocol
+    nio4r (2.7.5)
+    nokogiri (1.19.4-aarch64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.4-aarch64-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.4-arm-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.4-arm-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.4-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.4-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.4-x86_64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.4-x86_64-linux-musl)
+      racc (~> 1.4)
     parallel (2.1.0)
     parser (3.3.11.1)
       ast (~> 2.4.1)
       racc
+    pp (0.6.4)
+      prettyprint
+    prettyprint (0.2.0)
     prism (1.9.0)
     pry (0.16.0)
       coderay (~> 1.1)
@@ -86,8 +239,54 @@ GEM
     public_suffix (7.0.5)
     racc (1.8.1)
     rack (3.2.6)
+    rack-session (2.1.2)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
+      rack (>= 1.3)
+    rackup (2.3.1)
+      rack (>= 3)
+    rails (8.1.3)
+      actioncable (= 8.1.3)
+      actionmailbox (= 8.1.3)
+      actionmailer (= 8.1.3)
+      actionpack (= 8.1.3)
+      actiontext (= 8.1.3)
+      actionview (= 8.1.3)
+      activejob (= 8.1.3)
+      activemodel (= 8.1.3)
+      activerecord (= 8.1.3)
+      activestorage (= 8.1.3)
+      activesupport (= 8.1.3)
+      bundler (>= 1.15.0)
+      railties (= 8.1.3)
+    rails-dom-testing (2.3.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.7.0)
+      loofah (~> 2.25)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    railties (8.1.3)
+      actionpack (= 8.1.3)
+      activesupport (= 8.1.3)
+      irb (~> 1.13)
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      tsort (>= 0.2)
+      zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.4.2)
+    rbs (4.0.3)
+      logger
+      prism (>= 1.6.0)
+      tsort
+    rdoc (8.0.0)
+      erb
+      prism (>= 1.6.0)
+      rbs (>= 4.0.0)
+      tsort
     regexp_parser (2.12.0)
     reline (0.6.3)
       io-console (~> 0.5)
@@ -127,8 +326,9 @@ GEM
     rubocop-factory_bot (2.28.0)
       lint_roller (~> 1.1)
       rubocop (~> 1.72, >= 1.72.1)
-    rubocop-rake (0.6.0)
+    rubocop-rake (0.7.1)
-      rubocop (~> 1.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.72.1)
     rubocop-rspec (2.31.0)
       rubocop (~> 1.40)
       rubocop-capybara (~> 2.17)
@@ -137,41 +337,216 @@ GEM
     rubocop-rspec_rails (2.29.1)
       rubocop (~> 1.61)
     ruby-progressbar (1.13.0)
+    securerandom (0.4.1)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.13.2)
     simplecov_json_formatter (0.1.4)
+    sqlite3 (2.9.5-aarch64-linux-gnu)
+    sqlite3 (2.9.5-aarch64-linux-musl)
+    sqlite3 (2.9.5-arm-linux-gnu)
+    sqlite3 (2.9.5-arm-linux-musl)
+    sqlite3 (2.9.5-arm64-darwin)
+    sqlite3 (2.9.5-x86_64-darwin)
+    sqlite3 (2.9.5-x86_64-linux-gnu)
+    sqlite3 (2.9.5-x86_64-linux-musl)
+    thor (1.5.0)
+    timeout (0.6.1)
+    tsort (0.2.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
     unicode-emoji (4.2.0)
+    uri (1.1.1)
+    useragent (0.16.11)
     webmock (3.26.2)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
     webrick (1.9.2)
+    websocket-driver (0.8.2)
+      base64
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
     yard (0.9.44)
     zeitwerk (2.8.2)
 
 PLATFORMS
-  ruby
+  aarch64-linux-gnu
+  aarch64-linux-musl
+  arm-linux-gnu
+  arm-linux-musl
+  arm64-darwin
+  x86_64-darwin
+  x86_64-linux-gnu
+  x86_64-linux-musl
 
 DEPENDENCIES
+  capybara (~> 3.40)
+  cuprite (~> 0.15)
   pry (~> 0.16)
-  pry-byebug (~> 3.8)
+  pry-byebug (~> 3.10)
   rack (~> 3.2)
+  rack-test (~> 2.1)
+  rails (~> 8.0)
   rake (~> 13.4)
   rs-httpclient (= 3.0.0.beta1)
   rspec (~> 3.13)
   rubocop (~> 1.88)
-  rubocop-rake (~> 0.6.0)
+  rubocop-rake (~> 0.7)
   rubocop-rspec (~> 2.31)
   simplecov (~> 0.22)
+  sqlite3 (~> 2.0)
   webmock (~> 3.26)
   webrick (~> 1.9)
   yard (~> 0.9)
   yookassa!
 
+CHECKSUMS
+  action_text-trix (2.1.19) sha256=7012f59421009cf284aa651294896414d653a61a2417c9b8714c8476d2f74009
+  actioncable (8.1.3) sha256=e5bc7f75e44e6a22de29c4f43176927c3a9ce4824464b74ed18d8226e75a80f0
+  actionmailbox (8.1.3) sha256=df7da474eaa0e70df4ed5a6fef66eb3b3b0f2dbf7f14518deee8d77f1b4aae59
+  actionmailer (8.1.3) sha256=831f724891bb70d0aaa4d76581a6321124b6a752cb655c9346aae5479318448d
+  actionpack (8.1.3) sha256=af998cae4d47c5d581a2cc363b5c77eb718b7c4b45748d81b1887b25621c29a3
+  actiontext (8.1.3) sha256=d291019c00e1ea9e6463011fa214f6081a56d7b9a1d224e7d3f6384c1dafc7d2
+  actionview (8.1.3) sha256=1347c88c7f3edb38100c5ce0e9fb5e62d7755f3edc1b61cce2eb0b2c6ea2fd5d
+  activejob (8.1.3) sha256=a149b1766aa8204c3c3da7309e4becd40fcd5529c348cffbf6c9b16b565fe8d3
+  activemodel (8.1.3) sha256=90c05cbe4cef3649b8f79f13016191ea94c4525ce4a5c0fb7ef909c4b91c8219
+  activerecord (8.1.3) sha256=8003be7b2466ba0a2a670e603eeb0a61dd66058fccecfc49901e775260ac70ab
+  activestorage (8.1.3) sha256=0564ce9309143951a67615e1bb4e090ee54b8befed417133cae614479b46384d
+  activesupport (8.1.3) sha256=21a5e0dfbd4c3ddd9e1317ec6a4d782fa226e7867dc70b0743acda81a1dca20e
+  addressable (2.9.0) sha256=7fdf6ac3660f7f4e867a0838be3f6cf722ace541dd97767fa42bc6cfa980c7af
+  ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
+  base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
+  bigdecimal (4.1.2) sha256=53d217666027eab4280346fba98e7d5b66baaae1b9c3c1c0ffe89d48188a3fbd
+  builder (3.3.0) sha256=497918d2f9dca528fdca4b88d84e4ef4387256d984b8154e9d5d3fe5a9c8835f
+  bundler (4.0.11) sha256=5bcec0fb78302e48d02ee46f10ee6e6942be647ba5b44a6d1ddfda9a240ce785
+  byebug (13.0.0) sha256=d2263efe751941ca520fa29744b71972d39cbc41839496706f5d9b22e92ae05d
+  capybara (3.40.0) sha256=42dba720578ea1ca65fd7a41d163dd368502c191804558f6e0f71b391054aeef
+  coderay (1.1.3) sha256=dc530018a4684512f8f38143cd2a096c9f02a1fc2459edcfe534787a7fc77d4b
+  concurrent-ruby (1.3.7) sha256=4412caec3a5ea2e5fdc52076724c071a81f2c0593d83b2ac8cbb8ca63b3151b0
+  connection_pool (3.0.2) sha256=33fff5ba71a12d2aa26cb72b1db8bba2a1a01823559fb01d29eb74c286e62e0a
+  crack (1.0.1) sha256=ff4a10390cd31d66440b7524eb1841874db86201d5b70032028553130b6d4c7e
+  crass (1.0.7) sha256=94868719948664c89ddcaf0a37c65048413dfcb1c869470a5f7a7ceb5390b295
+  cuprite (0.17) sha256=b140d5dc70d08b97ad54bcf45cd95d0bd430e291e9dffe76fff851fddd57c12b
+  date (3.5.1) sha256=750d06384d7b9c15d562c76291407d89e368dda4d4fff957eb94962d325a0dc0
+  diff-lcs (1.6.2) sha256=9ae0d2cba7d4df3075fe8cd8602a8604993efc0dfa934cff568969efb1909962
+  docile (1.4.1) sha256=96159be799bfa73cdb721b840e9802126e4e03dfc26863db73647204c727f21e
+  drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
+  dry-configurable (1.4.0) sha256=e35d1b5f3c081753ef361f564919db79000f32cfa6f20ee3a3ba5921b41b73ce
+  dry-core (1.2.0) sha256=0cc5a7da88df397f153947eeeae42e876e999c1e30900f3c536fb173854e96a1
+  dry-inflector (1.3.1) sha256=7fb0c2bb04f67638f25c52e7ba39ab435d922a3a5c3cd196120f63accb682dcc
+  dry-initializer (3.2.0) sha256=37d59798f912dc0a1efe14a4db4a9306989007b302dcd5f25d0a2a20c166c4e3
+  dry-logic (1.6.0) sha256=da6fedbc0f90fc41f9b0cc7e6f05f5d529d1efaef6c8dcc8e0733f685745cea2
+  dry-schema (1.16.0) sha256=cd3aaeabc0f1af66ec82a29096d4c4fb92a0a58b9dae29a22b1bbceb78985727
+  dry-struct (1.8.1) sha256=033868594c45241540172bf1ebbc8bb76b72b4f0717072325deba38ac13e80f1
+  dry-types (1.9.1) sha256=baebeecdb9f8395d6c9d227b62011279440943e3ef2468fe8ccc1ba11467f178
+  dry-validation (1.11.1) sha256=70900bb5a2d911c8aab566d3e360c6bff389b8bf92ea8e04885ce51c41ff8085
+  erb (6.0.4) sha256=38e3803694be357fe2bfe312487c74beaf9fb4e5beb3e22498952fe1645b95d9
+  erubi (1.13.1) sha256=a082103b0885dbc5ecf1172fede897f9ebdb745a4b97a5e8dc63953db1ee4ad9
+  ferrum (0.17.2) sha256=2c2540a850b211a46f4d81de21bfd62048f507e4c327d1807225c3823c17e6ee
+  globalid (1.4.0) sha256=037f12fbf1d9d7a014d501c2d5c77356fd4ddd96d7a7991d6700bba96706f427
+  hashdiff (1.2.1) sha256=9c079dbc513dfc8833ab59c0c2d8f230fa28499cc5efb4b8dd276cf931457cd1
+  i18n (1.15.2) sha256=00f9eb62412fe593b2a65a97daa75300d37abb8f7202ec748e94b6d46a9dd1b5
+  ice_nine (0.11.2) sha256=5d506a7d2723d5592dc121b9928e4931742730131f22a1a37649df1c1e2e63db
+  io-console (0.8.2) sha256=d6e3ae7a7cc7574f4b8893b4fca2162e57a825b223a177b7afa236c5ef9814cc
+  irb (1.18.0) sha256=de9454a0703a54704b9811a5ef31a60c86949fbf4013fcf244fabc7c775248e3
+  json (2.20.0) sha256=9362bc6e55a952b056abf9167cf053358181c904cb70cd6eee0808ea830fc32b
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+  yookassa (0.2.1)
+  zeitwerk (2.8.2) sha256=7212a61311083c604184b1ea2574b9aa05cd14f855a0841c06985cabe9181d12
+
 BUNDLED WITH
   4.0.11

README.md

@@ -80,6 +80,77 @@ Yookassa.payments.capture(payment_id: '12345')
 Yookassa.payments.cancel(payment_id: '12345')
 ```
 
+### Rails webhook endpoint (engine)
+
+The gem ships with a Rails engine and a default webhook controller you can use directly.
+
+1) Configure the webhook token and (optionally) allowed source IPs:
+
+```ruby
+# config/initializers/yookassa.rb
+Yookassa.configure do |config|
+  config.shop_id = ENV.fetch('YOOKASSA_SHOP_ID')
+  config.api_key = ENV.fetch('YOOKASSA_API_KEY')
+
+  # Random, long, secret token used in webhook URL path.
+  config.webhook_token = ENV.fetch('YOOKASSA_WEBHOOK_TOKEN')
+
+  # Optional override. Defaults come from YooKassa docs:
+  # https://yookassa.ru/developers/using-api/webhooks#ip
+  # config.webhook_allowed_ips = ['185.71.76.0/27', ...]
+end
+```
+
+2) Mount the engine in routes:
+
+```ruby
+# config/routes.rb
+Rails.application.routes.draw do
+  mount Yookassa::Engine => '/yookassa'
+end
+```
+
+This exposes:
+
+- `POST /yookassa/webhooks/:token`
+
+Set your YooKassa webhook URL to include the real token value, for example:
+
+- `https://example.com/yookassa/webhooks/<long-random-token>`
+
+The default `Yookassa::WebhooksController` verifies:
+
+- token in URL path
+- request source `request.remote_ip` is in allowlist
+- webhook object matches fresh API fetch by `id` and `status`
+
+No signature headers are used.
+
+### Overriding webhook handling
+
+In host app, inherit from the gem controller and implement business logic in `process_webhook`:
+
+```ruby
+# app/controllers/my_yookassa_webhooks_controller.rb
+class MyYookassaWebhooksController < Yookassa::WebhooksController
+  private
+
+  def process_webhook(payload)
+    object = payload['object'] || payload.dig('data', 'object')
+    return unless object
+
+    # Your app-specific processing
+  end
+end
+```
+
+Then route to your controller (keeping token in path):
+
+```ruby
+# config/routes.rb
+post '/webhooks/yookassa/:token', to: 'my_yookassa_webhooks#create'
+```
+
 ### Path to 1.0
 
 **Настройки SDK API ЮKassa**

app/controllers/yookassa/webhooks_controller.rb

@@ -0,0 +1,147 @@
+# frozen_string_literal: true
+
+require "ipaddr"
+require "json"
+
+module Yookassa
+  class WebhooksController < ::ActionController::Base
+    skip_before_action :verify_authenticity_token, raise: false
+
+    def create
+      payload = parsed_payload
+      return head :unauthorized unless authentic_webhook?(payload)
+
+      process_webhook(payload)
+      head :ok
+    rescue JSON::ParserError
+      head :bad_request
+    end
+
+    private
+
+    def process_webhook(_payload)
+      nil
+    end
+
+    def authentic_webhook?(payload)
+      token_ok = token_valid?
+      ip_ok = source_ip_allowed?
+      api_ok = payload_matches_api_object?(payload)
+
+      unless token_ok && ip_ok && api_ok
+        Rails.logger.info("[Yookassa Webhook] Auth failed: token=#{token_ok}, ip=#{ip_ok}, api=#{api_ok}, remote_ip=#{request.remote_ip}")
+      end
+
+      token_ok && ip_ok && api_ok
+    end
+
+    def token_valid?
+      token = params[:token].to_s
+      configured_token = Yookassa.config.webhook_token.to_s
+      if token.empty? || configured_token.empty?
+        log_missing_token(token, configured_token)
+        return false
+      end
+
+      if token.bytesize != configured_token.bytesize
+        Rails.logger.info("[Yookassa Webhook] Token comparison: false (length mismatch)")
+        return false
+      end
+
+      result = ActiveSupport::SecurityUtils.secure_compare(token, configured_token)
+      Rails.logger.info("[Yookassa Webhook] Token comparison: #{result}")
+      result
+    end
+
+    def log_missing_token(token, configured_token)
+      param_state = token.empty? ? "empty" : "present"
+      configured_state = configured_token.empty? ? "empty" : "present"
+
+      Rails.logger.info(
+        "[Yookassa Webhook] Token validation failed: " \
+        "param_token=#{param_state}, configured_token=#{configured_state}"
+      )
+    end
+
+    def source_ip_allowed?
+      source_ip = request.remote_ip
+      allowed = allowed_cidrs.any? { |cidr| IPAddr.new(cidr).include?(source_ip) }
+      Rails.logger.info("[Yookassa Webhook] IP check: remote_ip=#{source_ip}, allowed=#{allowed}, cidrs=#{allowed_cidrs}")
+      allowed
+    rescue IPAddr::InvalidAddressError => e
+      Rails.logger.info("[Yookassa Webhook] IP check failed: #{e.message}")
+      false
+    end
+
+    def allowed_cidrs
+      ips = Yookassa.config.webhook_allowed_ips
+      return Yookassa::Config::DEFAULT_WEBHOOK_ALLOWED_IPS if ips.nil? || ips.empty?
+
+      ips
+    end
+
+    def parsed_payload
+      @parsed_payload ||= JSON.parse(request.raw_post)
+    end
+
+    def payload_matches_api_object?(payload)
+      object = extract_object(payload)
+      return false unless valid_payload_object?(object)
+
+      object_id = object["id"].to_s
+      object_status = object["status"].to_s
+      return false unless valid_object_identity?(object_id, object_status)
+
+      fetched_object = fetch_object_from_api(payload, object_id)
+      return log_missing_api_object(object_id) unless fetched_object
+
+      result = fetched_object.id == object_id && fetched_object.status == object_status
+      log_api_object_match(fetched_object, result)
+      result
+    rescue StandardError => e
+      Rails.logger.info("[Yookassa Webhook] API object check failed: #{e.message}")
+      false
+    end
+
+    def valid_payload_object?(object)
+      return true if object.is_a?(Hash)
+
+      Rails.logger.info("[Yookassa Webhook] API object check failed: object is not a Hash")
+      false
+    end
+
+    def valid_object_identity?(object_id, object_status)
+      return true unless object_id.empty? || object_status.empty?
+
+      Rails.logger.info("[Yookassa Webhook] API object check failed: object_id=#{object_id}, object_status=#{object_status}")
+      false
+    end
+
+    def log_missing_api_object(object_id)
+      Rails.logger.info("[Yookassa Webhook] API object check failed: could not fetch object #{object_id}")
+      false
+    end
+
+    def log_api_object_match(fetched_object, result)
+      Rails.logger.info(
+        "[Yookassa Webhook] API object check: fetched_id=#{fetched_object.id}, " \
+        "fetched_status=#{fetched_object.status}, matches=#{result}"
+      )
+    end
+
+    def extract_object(payload)
+      payload["object"] || payload.dig("data", "object")
+    end
+
+    def fetch_object_from_api(payload, object_id)
+      event_name = payload["event"].to_s
+      event_name = payload["type"].to_s if event_name.empty?
+
+      if event_name.start_with?("payment.")
+        Yookassa.payments.find(payment_id: object_id)
+      elsif event_name.start_with?("refund.")
+        Yookassa.refunds.find(payment_id: object_id)
+      end
+    end
+  end
+end

config/routes.rb

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+Yookassa::Engine.routes.draw do
+  post "/webhooks/:token", to: "webhooks#create"
+end

docs/changelog.md

@@ -0,0 +1,24 @@
+# Changelog
+
+## 2026-03-02
+
+### Added
+- Rails engine integration for webhook handling (`Yookassa::Engine`).
+- Default webhook controller (`Yookassa::WebhooksController`) with built-in authenticity checks.
+- Config options for webhook security:
+  - `webhook_token` (secret URL token in path)
+  - `webhook_allowed_ips` (YooKassa source allowlist, overridable)
+- RSpec coverage for webhook controller behavior.
+- Cuprite browser spec for real browser webhook request flow.
+- CI job for browser tests in GitHub Actions.
+
+### Changed
+- Documentation updated to use gem-based webhook integration instead of app-side hand-rolled service/controller code.
+- Webhook security guidance switched to YooKassa-documented approach:
+  - secret URL token
+  - source IP allowlist
+  - API re-fetch and object/status comparison
+
+### Notes
+- No webhook signature header validation is implemented because YooKassa webhook docs describe authenticity checks via source IP and object status verification.
+- Source for default IP ranges: https://yookassa.ru/developers/using-api/webhooks#ip

docs/chaos-yookassa.md

@@ -0,0 +1,135 @@
+# YooKassa Smart Payment Integration Guide
+
+## Overview
+
+This guide uses the `yookassa` gem for both API calls and webhook security handling.
+Do not re-implement webhook signature checks in your app: this integration uses a
+secret URL token + source IP allowlist + API re-fetch verification.
+
+## Payment flow
+
+```
+User taps "Pay" -> backend creates payment via gem -> user pays on YooKassa page ->
+YooKassa sends webhook -> gem controller verifies webhook -> app applies business logic
+```
+
+## 1) Install and configure the gem
+
+```ruby
+# Gemfile
+gem "yookassa"
+```
+
+```ruby
+# config/initializers/yookassa.rb
+Yookassa.configure do |config|
+  config.shop_id = ENV.fetch("YOOKASSA_SHOP_ID")
+  config.api_key = ENV.fetch("YOOKASSA_SECRET_KEY")
+
+  # Required: long random token used in webhook route path.
+  config.webhook_token = ENV.fetch("YOOKASSA_WEBHOOK_TOKEN")
+
+  # Optional override, if you need a custom list.
+  # Defaults are from YooKassa docs:
+  # https://yookassa.ru/developers/using-api/webhooks#ip
+  # config.webhook_allowed_ips = ["185.71.76.0/27", ...]
+end
+```
+
+## 2) Create payments with gem client
+
+```ruby
+payload = {
+  amount: {
+    value: "100.00",
+    currency: "RUB"
+  },
+  capture: true,
+  confirmation: {
+    type: "redirect",
+    return_url: "https://example.com/payment/return"
+  },
+  description: "Order 123"
+}
+
+payment = Yookassa.payments.create(payment: payload)
+confirmation_url = payment.confirmation.confirmation_url
+```
+
+## 3) Mount gem webhook engine
+
+```ruby
+# config/routes.rb
+Rails.application.routes.draw do
+  mount Yookassa::Engine => "/yookassa"
+end
+```
+
+Default webhook endpoint:
+
+- `POST /yookassa/webhooks/:token`
+
+Your YooKassa dashboard webhook URL must include the configured token value, for example:
+
+- `https://your-domain.com/yookassa/webhooks/<long-random-token>`
+
+## 4) Add app-specific webhook logic by inheritance
+
+`Yookassa::WebhooksController` handles authenticity checks. Override only processing.
+
+```ruby
+# app/controllers/yookassa_events_controller.rb
+class YookassaEventsController < Yookassa::WebhooksController
+  private
+
+  def process_webhook(payload)
+    event = payload["event"] || payload["type"]
+    object = payload["object"] || payload.dig("data", "object")
+    return unless object
+
+    case event
+    when "payment.succeeded"
+      # apply balance / mark paid in your app
+    when "payment.canceled"
+      # mark failed in your app
+    end
+  end
+end
+```
+
+```ruby
+# config/routes.rb
+post "/webhooks/yookassa/:token", to: "yookassa_events#create"
+```
+
+## Webhook security model used by gem
+
+The default controller accepts webhook only if all checks pass:
+
+1. route includes token and it matches `Yookassa.config.webhook_token`
+2. source address from `request.remote_ip` is in allowlist
+3. webhook object `id` + `status` matches a fresh API fetch
+
+This approach intentionally does not use HMAC signature headers.
+
+## Defaults and allowlist override
+
+Default allowed IP ranges in gem:
+
+- `185.71.76.0/27`
+- `185.71.77.0/27`
+- `77.75.153.0/25`
+- `77.75.156.11`
+- `77.75.156.35`
+- `77.75.154.128/25`
+- `2a02:5180::/32`
+
+Source: https://yookassa.ru/developers/using-api/webhooks#ip
+
+If needed:
+
+```ruby
+Yookassa.configure do |config|
+  config.webhook_allowed_ips = ["203.0.113.10"]
+end
+```

docs/webhooks.md

@@ -0,0 +1,70 @@
+# Webhooks
+
+## Overview
+
+The gem provides a Rails engine endpoint for YooKassa webhooks and a default controller
+that performs security checks before running your app-specific logic.
+
+Default endpoint after mounting engine:
+
+- `POST /yookassa/webhooks/:token`
+
+## Security model
+
+The controller accepts a webhook only if all checks pass:
+
+1. Route token matches configured `Yookassa.config.webhook_token`.
+2. Source IP from `request.remote_ip` belongs to allowed CIDRs.
+3. Webhook object `id` and `status` match a fresh API fetch (`payments.find` or `refunds.find`).
+
+This follows YooKassa webhook guidance:
+
+- https://yookassa.ru/developers/using-api/webhooks
+
+## Default allowed IP ranges
+
+From YooKassa docs (source: https://yookassa.ru/developers/using-api/webhooks#ip):
+
+- `185.71.76.0/27`
+- `185.71.77.0/27`
+- `77.75.153.0/25`
+- `77.75.156.11`
+- `77.75.156.35`
+- `77.75.154.128/25`
+- `2a02:5180::/32`
+
+## Configuration
+
+```ruby
+Yookassa.configure do |config|
+  config.shop_id = ENV.fetch("YOOKASSA_SHOP_ID")
+  config.api_key = ENV.fetch("YOOKASSA_API_KEY")
+  config.webhook_token = ENV.fetch("YOOKASSA_WEBHOOK_TOKEN")
+
+  # Optional override
+  # config.webhook_allowed_ips = ["203.0.113.10"]
+end
+```
+
+## Overriding controller behavior
+
+Inherit from `Yookassa::WebhooksController` and override `process_webhook`.
+All security checks remain in the base controller.
+
+```ruby
+class MyYookassaWebhooksController < Yookassa::WebhooksController
+  private
+
+  def process_webhook(payload)
+    event = payload["event"]
+    object = payload["object"]
+    # app-specific logic
+  end
+end
+```
+
+Route example:
+
+```ruby
+post "/webhooks/yookassa/:token", to: "my_yookassa_webhooks#create"
+```

lib/yookassa.rb

@@ -7,6 +7,7 @@ require "yookassa/config"
 require "yookassa/payments"
 require "yookassa/refunds"
 require "yookassa/receipts"
+require "yookassa/webhooks"
 
 module Yookassa
   class << self
@@ -31,5 +32,11 @@ module Yookassa
     def receipts
       @receipts ||= Receipts.new
     end
+
+    def webhooks
+      @webhooks ||= Webhooks.new
+    end
   end
 end
+
+require "yookassa/railtie" if defined?(Rails::Railtie)

lib/yookassa/client.rb

@@ -2,7 +2,7 @@
 
 require "httpclient"
 require "json"
-require_relative "./entity/error"
+require_relative "entity/error"
 
 module Yookassa
   class Client
@@ -38,8 +38,9 @@ module Yookassa
       api_call { http.post("#{API_URL}#{endpoint}", body: JSON.generate(payload), header: headers) }
     end
 
-    def delete(endpoint, idempotency_key:)
+    def delete(endpoint, idempotency_key: nil)
-      api_call { http.delete("#{API_URL}#{endpoint}", header: { "Idempotence-Key" => idempotency_key }) }
+      headers = idempotency_key ? { "Idempotence-Key" => idempotency_key } : {}
+      api_call { http.delete("#{API_URL}#{endpoint}", header: headers) }
     end
 
     def api_call

lib/yookassa/config.rb

@@ -2,6 +2,21 @@
 
 module Yookassa
   class Config
-    attr_accessor :shop_id, :api_key
+    # Source: https://yookassa.ru/developers/using-api/webhooks#ip
+    DEFAULT_WEBHOOK_ALLOWED_IPS = [
+      "185.71.76.0/27",
+      "185.71.77.0/27",
+      "77.75.153.0/25",
+      "77.75.156.11",
+      "77.75.156.35",
+      "77.75.154.128/25",
+      "2a02:5180::/32"
+    ].freeze
+
+    attr_accessor :shop_id, :api_key, :webhook_token, :webhook_allowed_ips
+
+    def initialize
+      @webhook_allowed_ips = DEFAULT_WEBHOOK_ALLOWED_IPS.dup
+    end
   end
 end

lib/yookassa/deals.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./client"
+require_relative "client"
-require_relative "./entity/deal"
+require_relative "entity/deal"
-require_relative "./entity/collection"
+require_relative "entity/collection"
 
 module Yookassa
   class Deals < Client
@@ -13,7 +13,7 @@ module Yookassa
 
     def create(payload:, idempotency_key: SecureRandom.hex(10))
       data = post("deals", payload: payload, idempotency_key: idempotency_key)
-      Entity::Deal.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Deal.new(**data, idempotency_key: idempotency_key)
     end
 
     def list

lib/yookassa/engine.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module Yookassa
+  class Engine < ::Rails::Engine
+    isolate_namespace Yookassa
+  end
+end

lib/yookassa/entity/amount.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/authorization_details.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/cancellation_details.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/card.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/collection.rb

@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./payment"
+require_relative "payment"
-require_relative "./receipt"
+require_relative "receipt"
-require_relative "./refund"
+require_relative "refund"
-require_relative "./webhook"
+require_relative "webhook"
-require_relative "./deal"
+require_relative "deal"
 
 module Yookassa
   module Entity

lib/yookassa/entity/confirmation.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/customer.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/deal.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
 
 module Yookassa
   module Entity

lib/yookassa/entity/error.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/payment.rb

@@ -1,13 +1,13 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
-require_relative "./payment_methods"
+require_relative "payment_methods"
-require_relative "./confirmation"
+require_relative "confirmation"
-require_relative "./recipient"
+require_relative "recipient"
-require_relative "./cancellation_details"
+require_relative "cancellation_details"
-require_relative "./authorization_details"
+require_relative "authorization_details"
-require_relative "./transfer"
+require_relative "transfer"
 
 module Yookassa
   module Entity

lib/yookassa/entity/payment_methods.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./card"
+require_relative "card"
 
 module Yookassa
   module Entity

lib/yookassa/entity/payment_receipt.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./customer"
+require_relative "customer"
-require_relative "./product"
+require_relative "product"
 
 module Yookassa
   module Entity

lib/yookassa/entity/payout.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
-require_relative "./payout_destinations"
+require_relative "payout_destinations"
 
 module Yookassa
   module Entity

lib/yookassa/entity/payout_destinations.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./card"
+require_relative "card"
 
 module Yookassa
   module Entity

lib/yookassa/entity/product.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
-require_relative "./supplier"
+require_relative "supplier"
 
 module Yookassa
   module Entity

lib/yookassa/entity/receipt.rb

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./customer"
+require_relative "customer"
-require_relative "./product"
+require_relative "product"
-require_relative "./settlement"
+require_relative "settlement"
 
 module Yookassa
   module Entity

lib/yookassa/entity/recipient.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/refund.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
-require_relative "./source"
+require_relative "source"
 
 module Yookassa
   module Entity

lib/yookassa/entity/settlement.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
 
 module Yookassa
   module Entity

lib/yookassa/entity/source.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
 
 module Yookassa
   module Entity

lib/yookassa/entity/store_info.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/supplier.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/entity/transfer.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
-require_relative "./amount"
+require_relative "amount"
 
 module Yookassa
   module Entity

lib/yookassa/entity/webhook.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "./types"
+require_relative "types"
 
 module Yookassa
   module Entity

lib/yookassa/payments.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./client"
+require_relative "client"
-require_relative "./entity/payment"
+require_relative "entity/payment"
-require_relative "./entity/collection"
+require_relative "entity/collection"
 
 module Yookassa
   class Payments < Client
@@ -13,17 +13,17 @@ module Yookassa
 
     def create(payment:, idempotency_key: SecureRandom.hex(10))
       data = post("payments", payload: payment, idempotency_key: idempotency_key)
-      Entity::Payment.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Payment.new(**data, idempotency_key: idempotency_key)
     end
 
     def capture(payment_id:, idempotency_key: SecureRandom.hex(10))
       data = post("payments/#{payment_id}/capture", idempotency_key: idempotency_key)
-      Entity::Payment.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Payment.new(**data, idempotency_key: idempotency_key)
     end
 
     def cancel(payment_id:, idempotency_key: SecureRandom.hex(10))
       data = post("payments/#{payment_id}/cancel", idempotency_key: idempotency_key)
-      Entity::Payment.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Payment.new(**data, idempotency_key: idempotency_key)
     end
 
     def list(filters: {})

lib/yookassa/payouts.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./client"
+require_relative "client"
-require_relative "./entity/payout"
+require_relative "entity/payout"
-require_relative "./entity/collection"
+require_relative "entity/collection"
 
 module Yookassa
   class Payouts < Client
@@ -13,7 +13,7 @@ module Yookassa
 
     def create(payload:, idempotency_key: SecureRandom.hex(10))
       data = post("payouts", payload: payload, idempotency_key: idempotency_key)
-      Entity::Payout.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Payout.new(**data, idempotency_key: idempotency_key)
     end
   end
 end

lib/yookassa/railtie.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+require "yookassa/engine"
+
+module Yookassa
+  class Railtie < ::Rails::Railtie
+  end
+end

lib/yookassa/receipts.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./client"
+require_relative "client"
-require_relative "./entity/receipt"
+require_relative "entity/receipt"
-require_relative "./entity/collection"
+require_relative "entity/collection"
 
 module Yookassa
   class Receipts < Client
@@ -13,7 +13,7 @@ module Yookassa
 
     def create(payload:, idempotency_key: SecureRandom.hex(10))
       data = post("receipts", payload: payload, idempotency_key: idempotency_key)
-      Entity::Receipt.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Receipt.new(**data, idempotency_key: idempotency_key)
     end
 
     def list(filters: {})

lib/yookassa/refunds.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require_relative "./client"
+require_relative "client"
-require_relative "./entity/refund"
+require_relative "entity/refund"
-require_relative "./entity/collection"
+require_relative "entity/collection"
 
 module Yookassa
   class Refunds < Client
@@ -13,7 +13,7 @@ module Yookassa
 
     def create(payload:, idempotency_key: SecureRandom.hex(10))
       data = post("refunds", payload: payload, idempotency_key: idempotency_key)
-      Entity::Refund.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Refund.new(**data, idempotency_key: idempotency_key)
     end
 
     def list(filters: {})

lib/yookassa/stores.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require_relative "./client"
+require_relative "client"
-require_relative "./entity/store_info"
+require_relative "entity/store_info"
 
 module Yookassa
   class Stores < Client

lib/yookassa/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Yookassa
-  VERSION = "0.2.0"
+  VERSION = "0.2.1"
 end

lib/yookassa/webhooks.rb

@@ -1,14 +1,14 @@
 # frozen_string_literal: true
 
-require_relative "./client"
+require_relative "client"
-require_relative "./entity/webhook"
+require_relative "entity/webhook"
-require_relative "./entity/collection"
+require_relative "entity/collection"
 
 module Yookassa
   class Webhooks < Client
     def create(payload:, idempotency_key: SecureRandom.hex(10))
       data = post("webhooks", payload: payload, idempotency_key: idempotency_key)
-      Entity::Webhook.new(**data.merge(idempotency_key: idempotency_key))
+      Entity::Webhook.new(**data, idempotency_key: idempotency_key)
     end
 
     def list
@@ -17,7 +17,7 @@ module Yookassa
     end
 
     def delete(webhook_id:)
-      delete("webhooks/#{webhook_id}")
+      super("webhooks/#{webhook_id}")
       true
     end
   end

spec/spec_helper.rb

@@ -8,9 +8,16 @@ end
 
 require "yookassa"
 require "webmock/rspec"
+WebMock.disable_net_connect!(allow_localhost: true)
+
+Dir[File.expand_path("support/**/*.rb", __dir__)].each { |file| require file }
 
 RSpec.configure do |config|
   config.order = :random
   config.filter_run focus: true
   config.run_all_when_everything_filtered = true
+
+  config.before do
+    WebMock.reset!
+  end
 end

spec/support/rails_test_app.rb

@@ -0,0 +1,130 @@
+# frozen_string_literal: true
+
+begin
+  require "logger"
+  require "rack/test"
+  require "rails"
+  require "action_controller/railtie"
+  require "capybara"
+  require "capybara/rspec"
+  require "capybara/cuprite"
+rescue LoadError
+  nil
+end
+
+if defined?(Rails)
+  require "yookassa/engine"
+  require File.expand_path("../../app/controllers/yookassa/webhooks_controller", __dir__)
+
+  class YookassaSpecBrowserController < ActionController::Base
+    def index # rubocop:disable Metrics/MethodLength
+      render inline: <<~HTML
+        <!DOCTYPE html>
+        <html>
+          <body>
+            <button id="send">Send webhook</button>
+            <div id="result">pending</div>
+            <script>
+              document.getElementById("send").addEventListener("click", function() {
+                fetch("/yookassa/webhooks/<%= Yookassa.config.webhook_token %>", {
+                  method: "POST",
+                  headers: { "Content-Type": "application/json" },
+                  body: JSON.stringify({
+                    event: "payment.succeeded",
+                    object: { id: "browser-payment", status: "succeeded" }
+                  })
+                }).then(function(response) {
+                  document.getElementById("result").textContent = String(response.status);
+                });
+              });
+            </script>
+          </body>
+        </html>
+      HTML
+    end
+  end
+
+  class YookassaSpecCustomWebhooksController < Yookassa::WebhooksController
+    class_attribute :last_payload, default: nil
+
+    private
+
+    def process_webhook(payload)
+      self.class.last_payload = payload
+    end
+  end
+
+  class YookassaSpecApp < Rails::Application
+    config.root = File.expand_path("../..", __dir__)
+    config.eager_load = false
+    config.secret_key_base = "test-secret-key-base"
+    config.logger = Logger.new(nil)
+    config.hosts << "www.example.com"
+    config.hosts << "example.org"
+    config.hosts << "localhost"
+    config.hosts << "127.0.0.1"
+    config.consider_all_requests_local = true
+  end
+
+  YookassaSpecApp.initialize!
+
+  YookassaSpecApp.routes.draw do
+    mount Yookassa::Engine => "/yookassa"
+    post "/custom-yookassa/:token", to: "yookassa_spec_custom_webhooks#create"
+    get "/browser", to: "yookassa_spec_browser#index"
+  end
+
+  Capybara.app = YookassaSpecApp
+  Capybara.server = :webrick
+  Capybara.default_max_wait_time = 5
+  Capybara.register_driver(:cuprite) do |app|
+    browser_options = {
+      "no-sandbox" => nil,
+      "disable-dev-shm-usage" => nil,
+      "disable-gpu" => nil,
+      "disable-software-rasterizer" => nil,
+      "disable-setuid-sandbox" => nil
+    }
+
+    if ENV["CI"]
+      browser_options.merge!(
+        "disable-background-timer-throttling" => nil,
+        "disable-backgrounding-occluded-windows" => nil,
+        "disable-renderer-backgrounding" => nil,
+        "disable-ipc-flooding-protection" => nil
+      )
+    end
+
+    options = {
+      window_size: [1280, 1024],
+      browser_options: browser_options,
+      timeout: ENV.fetch("FERRUM_TIMEOUT", 30).to_i,
+      headless: true,
+      process_timeout: ENV.fetch("FERRUM_PROCESS_TIMEOUT", ENV["CI"] ? 120 : 30).to_i
+    }
+
+    chrome_path = ENV.fetch("CHROME_PATH", nil)
+    options[:browser_path] = chrome_path if chrome_path
+
+    Capybara::Cuprite::Driver.new(app, **options)
+  end
+
+  RSpec.configure do |config|
+    config.include Rack::Test::Methods
+
+    config.define_derived_metadata(file_path: %r{/spec/yookassa/webhooks_}) do |metadata|
+      metadata[:rails] = true
+    end
+
+    config.before(:each, rails: true) do
+      Yookassa.configure do |yookassa_config|
+        yookassa_config.shop_id = "shop-id"
+        yookassa_config.api_key = "api-key"
+        yookassa_config.webhook_token = "secret-token"
+        yookassa_config.webhook_allowed_ips = Yookassa::Config::DEFAULT_WEBHOOK_ALLOWED_IPS.dup
+      end
+
+      YookassaSpecCustomWebhooksController.last_payload = nil
+    end
+  end
+end

spec/yookassa/webhooks_browser_spec.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+RSpec.describe "Yookassa webhook endpoint", :rails, :browser do
+  include Capybara::DSL
+
+  around do |example|
+    previous_driver = Capybara.current_driver
+    Capybara.current_driver = :cuprite
+    example.run
+    Capybara.current_driver = previous_driver
+  end
+
+  before do
+    Yookassa.config.webhook_allowed_ips = ["127.0.0.1"]
+
+    payments_client = instance_double(Yookassa::Payments)
+    allow(Yookassa).to receive(:payments).and_return(payments_client)
+    allow(payments_client).to receive(:find).with(payment_id: "browser-payment")
+                                            .and_return(instance_double(Yookassa::Entity::Payment, id: "browser-payment", status: "succeeded"))
+  end
+
+  it "accepts browser-submitted webhook request" do
+    visit "/browser"
+
+    click_button "Send webhook"
+
+    expect(page).to have_text("200")
+  end
+end

spec/yookassa/webhooks_controller_spec.rb

@@ -0,0 +1,113 @@
+# frozen_string_literal: true
+
+RSpec.describe Yookassa::WebhooksController do
+  def app
+    YookassaSpecApp
+  end
+
+  let(:payload_hash) do
+    {
+      "event" => "payment.succeeded",
+      "object" => {
+        "id" => "payment-1",
+        "status" => "succeeded"
+      }
+    }
+  end
+  let(:payload) { JSON.generate(payload_hash) }
+  let(:headers) do
+    {
+      "CONTENT_TYPE" => "application/json",
+      "REMOTE_ADDR" => remote_addr
+    }
+  end
+  let(:remote_addr) { "185.71.76.1" }
+
+  describe "POST /yookassa/webhooks/:token", :rails do
+    it "accepts webhook when token, remote_ip, and API re-fetch checks pass" do
+      payments_client = instance_double(Yookassa::Payments)
+      allow(Yookassa).to receive(:payments).and_return(payments_client)
+      allow(payments_client).to receive(:find).with(payment_id: "payment-1")
+                                              .and_return(instance_double(Yookassa::Entity::Payment, id: "payment-1", status: "succeeded"))
+
+      post "/yookassa/webhooks/secret-token", payload, headers
+
+      expect(last_response.status).to eq(200)
+    end
+
+    it "rejects webhook when token is invalid" do
+      payments_client = instance_double(Yookassa::Payments)
+      allow(Yookassa).to receive(:payments).and_return(payments_client)
+      allow(payments_client).to receive(:find).with(payment_id: "payment-1")
+                                              .and_return(instance_double(Yookassa::Entity::Payment, id: "payment-1", status: "succeeded"))
+
+      post "/yookassa/webhooks/wrong-token", payload, headers
+
+      expect(last_response.status).to eq(401)
+    end
+
+    it "rejects webhook when source remote_ip is outside allowlist" do
+      payments_client = instance_double(Yookassa::Payments)
+      allow(Yookassa).to receive(:payments).and_return(payments_client)
+      allow(payments_client).to receive(:find).with(payment_id: "payment-1")
+                                              .and_return(instance_double(Yookassa::Entity::Payment, id: "payment-1", status: "succeeded"))
+
+      post "/yookassa/webhooks/secret-token", payload, headers.merge("REMOTE_ADDR" => "203.0.113.10")
+
+      expect(last_response.status).to eq(401)
+    end
+
+    it "rejects webhook when fetched object differs by status" do
+      payments_client = instance_double(Yookassa::Payments)
+      allow(Yookassa).to receive(:payments).and_return(payments_client)
+      allow(payments_client).to receive(:find).with(payment_id: "payment-1")
+                                              .and_return(instance_double(Yookassa::Entity::Payment, id: "payment-1", status: "pending"))
+
+      post "/yookassa/webhooks/secret-token", payload, headers
+
+      expect(last_response.status).to eq(401)
+    end
+  end
+
+  describe "logging", :rails do
+    it "logs auth result when webhook authentication fails" do
+      controller = described_class.new
+
+      allow(controller).to receive(:token_valid?).and_return(true)
+      allow(controller).to receive(:source_ip_allowed?).and_return(false)
+      allow(controller).to receive(:payload_matches_api_object?).and_return(true)
+      allow(controller).to receive(:request).and_return(instance_double(ActionDispatch::Request, remote_ip: "192.168.0.10"))
+
+      expect(Rails.logger).to receive(:info).with(include("Auth failed: token=true, ip=false, api=true"))
+
+      expect(controller.send(:authentic_webhook?, {})).to eq(false)
+    end
+  end
+
+  describe "IP source check", :rails do
+    it "uses request.remote_ip" do
+      controller = described_class.new
+      request = instance_double(ActionDispatch::Request)
+
+      allow(request).to receive(:remote_ip).and_return("185.71.76.5")
+      allow(request).to receive(:ip).and_raise("request.ip should not be used")
+      allow(controller).to receive(:request).and_return(request)
+
+      expect(controller.send(:source_ip_allowed?)).to eq(true)
+    end
+  end
+
+  describe "controller inheritance", :rails do
+    it "allows app controller override via inheritance" do
+      payments_client = instance_double(Yookassa::Payments)
+      allow(Yookassa).to receive(:payments).and_return(payments_client)
+      allow(payments_client).to receive(:find).with(payment_id: "payment-1")
+                                              .and_return(instance_double(Yookassa::Entity::Payment, id: "payment-1", status: "succeeded"))
+
+      post "/custom-yookassa/secret-token", payload, headers
+
+      expect(last_response.status).to eq(200)
+      expect(YookassaSpecCustomWebhooksController.last_payload).to eq(payload_hash)
+    end
+  end
+end

yookassa.gemspec

@@ -15,14 +15,14 @@ Gem::Specification.new do |spec|
   spec.license       = "MIT"
 
   spec.files            = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
-  spec.test_files       = spec.files.grep(/^spec/)
   spec.extra_rdoc_files = Dir["README.md", "LICENSE", "CHANGELOG.md"]
 
   spec.require_paths = ["lib"]
 
   spec.required_ruby_version = ">= 3.3"
 
-  spec.add_runtime_dependency "dry-struct"
+  spec.add_dependency "dry-struct"
-  spec.add_runtime_dependency "dry-validation"
+  spec.add_dependency "dry-validation"
-  spec.add_runtime_dependency "rs-httpclient", "= 3.0.0.beta1"
+  spec.add_dependency "rs-httpclient", "= 3.0.0.beta1"
+  spec.metadata["rubygems_mfa_required"] = "true"
 end