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require "../../../spec_helper"
require "http/server/handler"
require "http/client/response"
private def handle(request, fallthrough = true, directory_listing = true, ignore_body = false, decompress = true)
io = IO::Memory.new
response = HTTP::Server::Response.new(io)
context = HTTP::Server::Context.new(request, response)
handler = HTTP::StaticFileHandler.new datapath("static_file_handler"), fallthrough, directory_listing
handler.call context
response.close
io.rewind
HTTP::Client::Response.from_io(io, ignore_body, decompress)
end
describe HTTP::StaticFileHandler do
file_text = File.read datapath("static_file_handler", "test.txt")
it "serves a file" do
response = handle HTTP::Request.new("GET", "/test.txt"), ignore_body: false
response.status_code.should eq(200)
response.body.should eq(File.read(datapath("static_file_handler", "test.txt")))
end
it "handles forbidden characters in windows paths" do
response = handle HTTP::Request.new("GET", "/foo\\bar.txt"), ignore_body: false
response.status_code.should eq 404
# This file can't be checkout out from git on Windows, thus we need to create it here.
File.touch(Path[datapath("static_file_handler"), Path.posix("back\\slash.txt")])
response = handle HTTP::Request.new("GET", "/back\\slash.txt"), ignore_body: false
response.status_code.should eq 200
end
it "adds Etag header" do
response = handle HTTP::Request.new("GET", "/test.txt")
response.headers["Etag"].should match(/W\/"\d+"$/)
end
it "adds Last-Modified header" do
response = handle HTTP::Request.new("GET", "/test.txt")
modification_time = File.info(datapath("static_file_handler", "test.txt")).modification_time
HTTP.parse_time(response.headers["Last-Modified"]).should eq(modification_time.at_beginning_of_second)
end
context "with If-Modified-Since header" do
it "returns 304 Not Modified for equal to Last-Modified" do
initial_response = handle HTTP::Request.new("GET", "/test.txt")
headers = HTTP::Headers.new
headers["If-Modified-Since"] = initial_response.headers["Last-Modified"]
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: true
response.status_code.should eq(304)
response.headers["Last-Modified"].should eq initial_response.headers["Last-Modified"]
response.headers["Content-Type"]?.should be_nil
response.body.should eq ""
end
it "returns 304 Not Modified for younger than Last-Modified" do
initial_response = handle HTTP::Request.new("GET", "/test.txt")
last_modified = HTTP.parse_time(initial_response.headers["Last-Modified"]).not_nil!
headers = HTTP::Headers.new
headers["If-Modified-Since"] = HTTP.format_time(last_modified + 1.hour)
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: true
response.headers["Last-Modified"].should eq initial_response.headers["Last-Modified"]
response.status_code.should eq(304)
response.body.should eq ""
end
it "serves content for older than Last-Modified" do
initial_response = handle HTTP::Request.new("GET", "/test.txt")
last_modified = HTTP.parse_time(initial_response.headers["Last-Modified"]).not_nil!
headers = HTTP::Headers.new
headers["If-Modified-Since"] = HTTP.format_time(last_modified - 1.hour)
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: false
response.headers["Last-Modified"].should eq initial_response.headers["Last-Modified"]
response.status_code.should eq(200)
response.body.should eq(File.read(datapath("static_file_handler", "test.txt")))
end
end
context "with If-None-Match header" do
it "returns 304 Not Modified if header matches etag" do
initial_response = handle HTTP::Request.new("GET", "/test.txt")
headers = HTTP::Headers.new
headers["If-None-Match"] = initial_response.headers["Etag"]
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: true
response.status_code.should eq(304)
end
it "serves file if header does not match etag" do
headers = HTTP::Headers.new
headers["If-None-Match"] = "some random etag"
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: false
response.status_code.should eq(200)
response.body.should eq(File.read(datapath("static_file_handler", "test.txt")))
end
it "returns 304 Not Modified if header is *" do
headers = HTTP::Headers.new
headers["If-None-Match"] = "*"
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: true
response.status_code.should eq(304)
end
it "serves file if header is empty" do
headers = HTTP::Headers.new
headers["If-None-Match"] = ""
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: false
response.status_code.should eq(200)
response.body.should eq(File.read(datapath("static_file_handler", "test.txt")))
end
it "serves file if header does not contain valid etag" do
headers = HTTP::Headers.new
headers["If-None-Match"] = ", foo"
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: false
response.status_code.should eq(200)
response.body.should eq(File.read(datapath("static_file_handler", "test.txt")))
end
end
context "with multiple If-None-Match header" do
it "returns 304 Not Modified if at least one header matches etag" do
initial_response = handle HTTP::Request.new("GET", "/test.txt")
headers = HTTP::Headers.new
headers["If-None-Match"] = %(,, ,W/"1234567" , , #{initial_response.headers["Etag"]},"12345678",%)
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: true
response.status_code.should eq(304)
end
it "serves file if no header matches etag" do
headers = HTTP::Headers.new
headers["If-None-Match"] = "some random etag, 1234567"
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: false
response.status_code.should eq(200)
response.body.should eq(File.read(datapath("static_file_handler", "test.txt")))
end
end
context "with both If-None-Match and If-Modified-Since headers" do
it "ignores If-Modified-Since as specified in RFC 7232" do
initial_response = handle HTTP::Request.new("GET", "/test.txt")
headers = HTTP::Headers.new
headers["If-Modified-Since"] = HTTP.format_time(File.info(datapath("static_file_handler", "test.txt")).modification_time - 1.hour)
headers["If-None-Match"] = initial_response.headers["Etag"]
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: true
response.status_code.should eq(304)
end
it "serves a file if header does not match etag even If-Modified-Since is fresh" do
initial_response = handle HTTP::Request.new("GET", "/test.txt")
headers = HTTP::Headers.new
headers["If-Modified-Since"] = initial_response.headers["Last-Modified"]
headers["If-None-Match"] = "some random etag"
response = handle HTTP::Request.new("GET", "/test.txt", headers), ignore_body: false
response.status_code.should eq(200)
response.body.should eq(File.read(datapath("static_file_handler", "test.txt")))
end
end
it "lists directory's entries" do
response = handle HTTP::Request.new("GET", "/")
response.status_code.should eq(200)
response.body.should match(/test.txt/)
end
it "does not list directory's entries when directory_listing is set to false" do
response = handle HTTP::Request.new("GET", "/"), directory_listing: false
response.status_code.should eq(404)
end
it "does not serve a not found file" do
response = handle HTTP::Request.new("GET", "/not_found_file.txt")
response.status_code.should eq(404)
end
it "does not serve a not found directory" do
response = handle HTTP::Request.new("GET", "/not_found_dir/")
response.status_code.should eq(404)
end
it "does not serve a file as directory" do
response = handle HTTP::Request.new("GET", "/test.txt/")
response.status_code.should eq(404)
end
it "handles only GET and HEAD method" do
%w(GET HEAD).each do |method|
response = handle HTTP::Request.new(method, "/test.txt")
response.status_code.should eq(200)
end
%w(POST PUT DELETE).each do |method|
response = handle HTTP::Request.new(method, "/test.txt")
response.status_code.should eq(404)
response = handle HTTP::Request.new(method, "/test.txt"), false
response.status_code.should eq(405)
response.headers["Allow"].should eq("GET, HEAD")
end
end
it "expands a request path" do
%w(../test.txt ../../test.txt test.txt/../test.txt a/./b/../c/../../test.txt).each do |path|
response = handle HTTP::Request.new("GET", "/#{path}")
response.status_code.should eq(302)
response.headers["Location"].should eq("/test.txt")
end
# directory
%w(.. ../ ../.. a/.. a/.././b/../).each do |path|
response = handle HTTP::Request.new("GET", "/#{path}")
response.status_code.should eq(302)
response.headers["Location"].should eq("/")
end
end
it "unescapes a request path" do
%w(test%2Etxt %74%65%73%74%2E%74%78%74).each do |path|
response = handle HTTP::Request.new("GET", "/#{path}")
response.status_code.should eq(200)
response.body.should eq(file_text)
end
%w(%2E%2E/test.txt found%2F%2E%2E%2Ftest%2Etxt).each do |path|
response = handle HTTP::Request.new("GET", "/#{path}")
response.status_code.should eq(302)
response.headers["Location"].should eq("/test.txt")
end
end
it "returns 400" do
%w(%00 test.txt%00).each do |path|
response = handle HTTP::Request.new("GET", "/#{path}")
response.status_code.should eq(400)
end
end
it "handles invalid redirect path" do
response = handle HTTP::Request.new("GET", "test.txt%0A")
response.status_code.should eq(302)
response.headers["Location"].should eq "/test.txt%0A"
response = handle HTTP::Request.new("GET", "/test.txt%0A")
response.status_code.should eq(404)
end
it "serve compressed content" do
modification_time = File.info(datapath("static_file_handler", "test.txt")).modification_time
File.touch datapath("static_file_handler", "test.txt.gz"), modification_time + 1.second
headers = HTTP::Headers{"Accept-Encoding" => "gzip"}
response = handle HTTP::Request.new("GET", "/test.txt", headers), decompress: false
response.headers["Content-Encoding"].should eq("gzip")
end
it "still serve compressed content when modification time is very close" do
modification_time = File.info(datapath("static_file_handler", "test.txt")).modification_time
File.touch datapath("static_file_handler", "test.txt.gz"), modification_time - 1.microsecond
headers = HTTP::Headers{"Accept-Encoding" => "gzip"}
response = handle HTTP::Request.new("GET", "/test.txt", headers), decompress: false
response.headers["Content-Encoding"].should eq("gzip")
end
it "doesn't serve compressed content if older than raw file" do
modification_time = File.info(datapath("static_file_handler", "test.txt")).modification_time
File.touch datapath("static_file_handler", "test.txt.gz"), modification_time - 1.second
headers = HTTP::Headers{"Accept-Encoding" => "gzip"}
response = handle HTTP::Request.new("GET", "/test.txt", headers)
response.headers["Content-Encoding"]?.should be_nil
end
end
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