Handle EOF while reading chunked trailers.

lib/protocol/http1/body/chunked.rb

@@ -128,7 +128,7 @@ def read
 						connection.close_read
 					end
 
-					raise EOFError, "Connection closed before expected length was read!"
+					raise
 				end
 
 				# @returns [String] a human-readable representation of the body.
@@ -149,7 +149,7 @@ def as_json(...)
 
 				# Read the trailer from the connection, and add any headers to the trailer.
 				def read_trailer
-					while line = @connection.read_line?
+					while line = @connection.read_line
 						# Empty line indicates end of trailer:
 						break if line.empty?
 

releases.md

@@ -1,5 +1,9 @@
 # Releases
 
+## Unreleased
+
+  - Handle unexpected EOF while reading chunked trailers.
+
 ## v0.40.1
 
   - Bound fixed-length and chunked body reads, and validate chunk terminators.

test/protocol/http1/body/chunked.rb

@@ -128,6 +128,16 @@
 			end
 		end
 
+		with "incomplete trailer" do
+			let(:buffer) {StringIO.new("0\r\n")}
+
+			it "raises EOFError when the final CRLF is missing" do
+				expect{body.read}.to raise_exception(EOFError)
+
+				expect(connection).to be(:half_closed_remote?)
+			end
+		end
+
 		with "bad trailers" do
 			let(:postfix) {":ETag abcd\r\n"}