From 5571dc766e2143e39762ff0b47c41d1c2e154f4c Mon Sep 17 00:00:00 2001
From: Benjamin Sanders <ben@Benjamins-MacBook-Pro.local>
Date: Sat, 11 Oct 2025 10:34:24 -0400
Subject: Vendor bundled gems for deployment

---
 .../lib/em-websocket/framing03.rb                  | 162 +++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/framing03.rb

(limited to 'vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/framing03.rb')

diff --git a/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/framing03.rb b/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/framing03.rb
new file mode 100644
index 0000000..61e6ab8
--- /dev/null
+++ b/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/framing03.rb
@@ -0,0 +1,162 @@
+# encoding: BINARY
+
+module EventMachine
+  module WebSocket
+    module Framing03
+      def initialize_framing
+        @data = ''
+        @application_data_buffer = '' # Used for MORE frames
+        @frame_type = nil
+      end
+      
+      def process_data
+        error = false
+
+        while !error && @data.size > 1
+          pointer = 0
+
+          more = ((@data.getbyte(pointer) & 0b10000000) == 0b10000000) ^ fin
+          # Ignoring rsv1-3 for now
+          opcode = @data.getbyte(0) & 0b00001111
+          pointer += 1
+
+          # Ignoring rsv4
+          length = @data.getbyte(pointer) & 0b01111111
+          pointer += 1
+
+          payload_length = case length
+          when 127 # Length defined by 8 bytes
+            # Check buffer size
+            if @data.getbyte(pointer+8-1) == nil
+              debug [:buffer_incomplete, @data]
+              error = true
+              next
+            end
+            
+            # Only using the last 4 bytes for now, till I work out how to
+            # unpack 8 bytes. I'm sure 4GB frames will do for now :)
+            l = @data[(pointer+4)..(pointer+7)].unpack('N').first
+            pointer += 8
+            l
+          when 126 # Length defined by 2 bytes
+            # Check buffer size
+            if @data.getbyte(pointer+2-1) == nil
+              debug [:buffer_incomplete, @data]
+              error = true
+              next
+            end
+            
+            l = @data[pointer..(pointer+1)].unpack('n').first
+            pointer += 2
+            l
+          else
+            length
+          end
+
+          if payload_length > @connection.max_frame_size
+            raise WSMessageTooBigError, "Frame length too long (#{payload_length} bytes)"
+          end
+
+          # Check buffer size
+          if @data.getbyte(pointer+payload_length-1) == nil
+            debug [:buffer_incomplete, @data]
+            error = true
+            next
+          end
+
+          # Throw away data up to pointer
+          @data.slice!(0...pointer)
+
+          # Read application data
+          application_data = @data.slice!(0...payload_length)
+
+          frame_type = opcode_to_type(opcode)
+
+          if frame_type == :continuation && !@frame_type
+            raise WSProtocolError, 'Continuation frame not expected'
+          end
+
+          if more
+            debug [:moreframe, frame_type, application_data]
+            @application_data_buffer << application_data
+            # The message type is passed in the first frame
+            @frame_type ||= frame_type
+          else
+            # Message is complete
+            if frame_type == :continuation
+              @application_data_buffer << application_data
+              message(@frame_type, '', @application_data_buffer)
+              @application_data_buffer = ''
+              @frame_type = nil
+            else
+              message(frame_type, '', application_data)
+            end
+          end
+        end # end while
+      end
+      
+      def send_frame(frame_type, application_data)
+        debug [:sending_frame, frame_type, application_data]
+
+        if @state == :closing && data_frame?(frame_type)
+          raise WebSocketError, "Cannot send data frame since connection is closing"
+        end
+
+        frame = ''
+
+        opcode = type_to_opcode(frame_type)
+        byte1 = opcode # since more, rsv1-3 are 0
+        frame << byte1
+
+        length = application_data.size
+        if length <= 125
+          byte2 = length # since rsv4 is 0
+          frame << byte2
+        elsif length < 65536 # write 2 byte length
+          frame << 126
+          frame << [length].pack('n')
+        else # write 8 byte length
+          frame << 127
+          frame << [length >> 32, length & 0xFFFFFFFF].pack("NN")
+        end
+
+        frame << application_data
+
+        @connection.send_data(frame)
+      end
+
+      def send_text_frame(data)
+        send_frame(:text, data)
+      end
+
+      private
+
+      # This allows flipping the more bit to fin for draft 04
+      def fin; false; end
+
+      FRAME_TYPES = {
+        :continuation => 0,
+        :close => 1,
+        :ping => 2,
+        :pong => 3,
+        :text => 4,
+        :binary => 5
+      }
+      FRAME_TYPES_INVERSE = FRAME_TYPES.invert
+      # Frames are either data frames or control frames
+      DATA_FRAMES = [:text, :binary, :continuation]
+
+      def type_to_opcode(frame_type)
+        FRAME_TYPES[frame_type] || raise("Unknown frame type")
+      end
+
+      def opcode_to_type(opcode)
+        FRAME_TYPES_INVERSE[opcode] || raise(WSProtocolError, "Unknown opcode #{opcode}")
+      end
+
+      def data_frame?(type)
+        DATA_FRAMES.include?(type)
+      end
+    end
+  end
+end
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