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Merge pull request #2364 from syeopite/disable-quic-via-compile-time-flag

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Add compile-time flag to remove code for QUIC
This commit is contained in:
TheFrenchGhosty 2021-11-12 12:58:39 +00:00 committed by GitHub
parent a12571e748 a120f143d7
commit f707f990e6
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 229 additions and 77 deletions
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2
src/invidious/config.cr
View file

@ -93,7 +93,7 @@ class Config
property port : Int32 = 3000 # Port to listen for connections (overrided by command line argument)
property host_binding : String = "0.0.0.0" # Host to bind (overrided by command line argument)
property pool_size : Int32 = 100 # Pool size for HTTP requests to youtube.com and ytimg.com (each domain has a separate pool of `pool_size`)
property use_quic : Bool = true # Use quic transport for youtube api
property use_quic : Bool = false # Use quic transport for youtube api
@[YAML::Field(converter: Preferences::StringToCookies)]
property cookies : HTTP::Cookies = HTTP::Cookies.new # Saved cookies in "name1=value1; name2=value2..." format

158
src/invidious/routes/images.cr
View file

@ -3,15 +3,27 @@ module Invidious::Routes::Images
def self.ggpht(env)
url = env.request.path.lchop("/ggpht")
headers = HTTP::Headers{":authority" => "yt3.ggpht.com"}
headers = (
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
HTTP::Headers{":authority" => "yt3.ggpht.com"}
else
HTTP::Headers.new
end
{% else %}
HTTP::Headers.new
{% end %}
)
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
begin
YT_POOL.client &.get(url, headers) do |response|
# We're encapsulating this into a proc in order to easily reuse this
# portion of the code for each request block below.
request_proc = ->(response : HTTP::Client::Response) {
env.response.status_code = response.status_code
response.headers.each do |key, value|
if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
@ -23,11 +35,29 @@ module Invidious::Routes::Images
if response.status_code >= 300
env.response.headers.delete("Transfer-Encoding")
break
return
end
proxy_file(response, env)
}
begin
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
YT_POOL.client &.get(url, headers) do |resp|
return request_proc.call(resp)
end
else
HTTP::Client.get("https://yt3.ggpht.com#{url}") do |resp|
return request_proc.call(resp)
end
end
{% else %}
# This can likely be optimized into a (small) pool sometime in the future.
HTTP::Client.get("https://yt3.ggpht.com#{url}") do |resp|
return request_proc.call(resp)
end
{% end %}
rescue ex
end
end
@ -48,7 +78,9 @@ module Invidious::Routes::Images
headers = HTTP::Headers.new
{% unless flag?(:disable_quic) %}
headers[":authority"] = "#{authority}.ytimg.com"
{% end %}
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
@ -56,8 +88,7 @@ module Invidious::Routes::Images
end
end
begin
YT_POOL.client &.get(url, headers) do |response|
request_proc = ->(response : HTTP::Client::Response) {
env.response.status_code = response.status_code
response.headers.each do |key, value|
if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
@ -69,12 +100,29 @@ module Invidious::Routes::Images
env.response.headers["Access-Control-Allow-Origin"] = "*"
if response.status_code >= 300
env.response.headers.delete("Transfer-Encoding")
break
return env.response.headers.delete("Transfer-Encoding")
end
proxy_file(response, env)
}
begin
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
YT_POOL.client &.get(url, headers) do |resp|
return request_proc.call(resp)
end
else
HTTP::Client.get("https://#{authority}.ytimg.com#{url}") do |resp|
return request_proc.call(resp)
end
end
{% else %}
# This can likely be optimized into a (small) pool sometime in the future.
HTTP::Client.get("https://#{authority}.ytimg.com#{url}") do |resp|
return request_proc.call(resp)
end
{% end %}
rescue ex
end
end
@ -83,18 +131,27 @@ module Invidious::Routes::Images
def self.s_p_image(env)
id = env.params.url["id"]
name = env.params.url["name"]
url = env.request.resource
headers = HTTP::Headers{":authority" => "i9.ytimg.com"}
headers = (
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
HTTP::Headers{":authority" => "i9.ytimg.com"}
else
HTTP::Headers.new
end
{% else %}
HTTP::Headers.new
{% end %}
)
REQUEST_HEADERS_WHITELIST.each do |header|
if env.request.headers[header]?
headers[header] = env.request.headers[header]
end
end
begin
YT_POOL.client &.get(url, headers) do |response|
request_proc = ->(response : HTTP::Client::Response) {
env.response.status_code = response.status_code
response.headers.each do |key, value|
if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
@ -105,12 +162,29 @@ module Invidious::Routes::Images
env.response.headers["Access-Control-Allow-Origin"] = "*"
if response.status_code >= 300 && response.status_code != 404
env.response.headers.delete("Transfer-Encoding")
break
return env.response.headers.delete("Transfer-Encoding")
end
proxy_file(response, env)
}
begin
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
YT_POOL.client &.get(url, headers) do |resp|
return request_proc.call(resp)
end
else
HTTP::Client.get("https://i9.ytimg.com#{url}") do |resp|
return request_proc.call(resp)
end
end
{% else %}
# This can likely be optimized into a (small) pool sometime in the future.
HTTP::Client.get("https://i9.ytimg.com#{url}") do |resp|
return request_proc.call(resp)
end
{% end %}
rescue ex
end
end
@ -149,16 +223,44 @@ module Invidious::Routes::Images
id = env.params.url["id"]
name = env.params.url["name"]
headers = HTTP::Headers{":authority" => "i.ytimg.com"}
headers = (
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
HTTP::Headers{":authority" => "i.ytimg.com"}
else
HTTP::Headers.new
end
{% else %}
HTTP::Headers.new
{% end %}
)
if name == "maxres.jpg"
build_thumbnails(id).each do |thumb|
if YT_POOL.client &.head("/vi/#{id}/#{thumb[:url]}.jpg", headers).status_code == 200
thumbnail_resource_path = "/vi/#{id}/#{thumb[:url]}.jpg"
# Logic here is short enough that manually typing them out should be fine.
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
if YT_POOL.client &.head(thumbnail_resource_path, headers).status_code == 200
name = thumb[:url] + ".jpg"
break
end
else
if HTTP::Client.head("https://i.ytimg.com#{thumbnail_resource_path}").status_code == 200
name = thumb[:url] + ".jpg"
break
end
end
{% else %}
# This can likely be optimized into a (small) pool sometime in the future.
if HTTP::Client.head("https://i.ytimg.com#{thumbnail_resource_path}").status_code == 200
name = thumb[:url] + ".jpg"
break
end
{% end %}
end
end
url = "/vi/#{id}/#{name}"
REQUEST_HEADERS_WHITELIST.each do |header|
@ -167,8 +269,7 @@ module Invidious::Routes::Images
end
end
begin
YT_POOL.client &.get(url, headers) do |response|
request_proc = ->(response : HTTP::Client::Response) {
env.response.status_code = response.status_code
response.headers.each do |key, value|
if !RESPONSE_HEADERS_BLACKLIST.includes?(key.downcase)
@ -179,12 +280,29 @@ module Invidious::Routes::Images
env.response.headers["Access-Control-Allow-Origin"] = "*"
if response.status_code >= 300 && response.status_code != 404
env.response.headers.delete("Transfer-Encoding")
break
return env.response.headers.delete("Transfer-Encoding")
end
proxy_file(response, env)
}
begin
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
YT_POOL.client &.get(url, headers) do |resp|
return request_proc.call(resp)
end
else
HTTP::Client.get("https://i.ytimg.com#{url}") do |resp|
return request_proc.call(resp)
end
end
{% else %}
# This can likely be optimized into a (small) pool sometime in the future.
HTTP::Client.get("https://i.ytimg.com#{url}") do |resp|
return request_proc.call(resp)
end
{% end %}
rescue ex
end
end

8
src/invidious/routes/login.cr
View file

@ -53,7 +53,13 @@ module Invidious::Routes::Login
# See https://github.com/ytdl-org/youtube-dl/blob/2019.04.07/youtube_dl/extractor/youtube.py#L82
begin
client = QUIC::Client.new(LOGIN_URL)
client = nil # Declare variable
{% unless flag?(:disable_quic) %}
client = CONFIG.use_quic ? QUIC::Client.new(LOGIN_URL) : HTTP::Client.new(LOGIN_URL)
{% else %}
client = HTTP::Client.new(LOGIN_URL)
{% end %}
headers = HTTP::Headers.new
login_page = client.get("/ServiceLogin")

25
src/invidious/yt_backend/connection_pool.cr
View file

@ -1,5 +1,13 @@
require "lsquic"
{% unless flag?(:disable_quic) %}
require "lsquic"
alias HTTPClientType = QUIC::Client | HTTP::Client
{% else %}
alias HTTPClientType = HTTP::Client
{% end %}
def add_yt_headers(request)
request.headers["user-agent"] ||= "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
request.headers["accept-charset"] ||= "ISO-8859-1,utf-8;q=0.7,*;q=0.7"
@ -19,7 +27,7 @@ struct YoutubeConnectionPool
property! url : URI
property! capacity : Int32
property! timeout : Float64
property pool : DB::Pool(QUIC::Client | HTTP::Client)
property pool : DB::Pool(HTTPClientType)
def initialize(url : URI, @capacity = 5, @timeout = 5.0, use_quic = true)
@url = url
@ -36,7 +44,12 @@ struct YoutubeConnectionPool
response = yield conn
rescue ex
conn.close
conn = QUIC::Client.new(url)
{% unless flag?(:disable_quic) %}
conn = CONFIG.use_quic ? QUIC::Client.new(url) : HTTP::Client.new(url)
{% else %}
conn = HTTP::Client.new(url)
{% end %}
conn.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::INET
conn.family = Socket::Family::INET if conn.family == Socket::Family::UNSPEC
conn.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"
@ -50,12 +63,18 @@ struct YoutubeConnectionPool
end
private def build_pool(use_quic)
DB::Pool(QUIC::Client | HTTP::Client).new(initial_pool_size: 0, max_pool_size: capacity, max_idle_pool_size: capacity, checkout_timeout: timeout) do
DB::Pool(HTTPClientType).new(initial_pool_size: 0, max_pool_size: capacity, max_idle_pool_size: capacity, checkout_timeout: timeout) do
conn = nil # Declare
{% unless flag?(:disable_quic) %}
if use_quic
conn = QUIC::Client.new(url)
else
conn = HTTP::Client.new(url)
end
{% else %}
conn = HTTP::Client.new(url)
{% end %}
conn.family = (url.host == "www.youtube.com") ? CONFIG.force_resolve : Socket::Family::INET
conn.family = Socket::Family::INET if conn.family == Socket::Family::UNSPEC
conn.before_request { |r| add_yt_headers(r) } if url.host == "www.youtube.com"

11
src/invidious/yt_backend/youtube_api.cr
View file

@ -405,9 +405,18 @@ module YoutubeAPI
headers = HTTP::Headers{
"Content-Type" => "application/json; charset=UTF-8",
"Accept-Encoding" => "gzip",
}
# The normal HTTP client automatically applies accept-encoding: gzip,
# and decompresses. However, explicitly applying it will remove this functionality.
#
# https://github.com/crystal-lang/crystal/issues/11252#issuecomment-929594741
{% unless flag?(:disable_quic) %}
if CONFIG.use_quic
headers["Accept-Encoding"] = "gzip"
end
{% end %}
# Logging
LOGGER.debug("YoutubeAPI: Using endpoint: \"#{endpoint}\"")
LOGGER.trace("YoutubeAPI: ClientConfig: #{client_config}")