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Move 'pretty=1' into middleware

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This commit is contained in:
Omar Roth 2019-03-23 10:24:30 -05:00
parent 90b5479735
commit 57c05354c2
3 changed files with 205 additions and 161 deletions
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179
src/invidious.cr
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@ -1385,7 +1385,8 @@ get "/mark_watched" do |env|
id = env.params.query["id"]?
if !id
halt env, status_code: 400
env.response.status_code = 400
next
end
redirect = env.params.query["redirect"]?
@ -1415,7 +1416,8 @@ get "/mark_unwatched" do |env|
id = env.params.query["id"]?
if !id
halt env, status_code: 400
env.response.status_code = 400
next
end
redirect = env.params.query["redirect"]?
@ -2071,7 +2073,8 @@ get "/feed/channel/:ucid" do |env|
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = ex.message
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
client = make_client(YT_URL)
@ -2181,12 +2184,14 @@ get "/feed/private" do |env|
token = env.params.query["token"]?
if !token
halt env, status_code: 403
env.response.status_code = 403
next
end
user = PG_DB.query_one?("SELECT * FROM users WHERE token = $1", token.strip, as: User)
if !user
halt env, status_code: 403
env.response.status_code = 403
next
end
max_results = env.params.query["max_results"]?.try &.to_i?
@ -2342,17 +2347,20 @@ get "/feed/webhook/:token" do |env|
# The hub will sometimes check if we're still subscribed after delivery errors
if Time.now.to_unix - time.to_i > 432000
halt env, status_code: 400
env.response.status_code = 400
next
end
if OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, data) != signature
halt env, status_code: 400
env.response.status_code = 400
next
end
ucid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["channel_id"]
PG_DB.exec("UPDATE channels SET subscribed = $1 WHERE id = $2", Time.now, ucid)
halt env, status_code: 200, response: challenge
env.response.status_code = 200
next challenge
end
post "/feed/webhook/:token" do |env|
@ -2362,7 +2370,8 @@ post "/feed/webhook/:token" do |env|
if signature != OpenSSL::HMAC.hexdigest(:sha1, HMAC_KEY, body)
logger.write("#{token} : Invalid signature")
halt env, status_code: 200
env.response.status_code = 200
next
end
spawn do
@ -2388,7 +2397,8 @@ post "/feed/webhook/:token" do |env|
end
end
halt env, status_code: 200
env.response.status_code = 200
next
end
# Channels
@ -2550,19 +2560,17 @@ get "/api/v1/stats" do |env|
if !config.statistics_enabled
error_message = {"error" => "Statistics are not enabled."}.to_json
halt env, status_code: 400, response: error_message
env.response.status_code = 400
next error_message
end
if statistics["error"]?
halt env, status_code: 500, response: statistics.to_json
env.response.status_code = 500
next statistics.to_json
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
statistics.to_pretty_json
else
statistics.to_json
end
end
get "/api/v1/captions/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -2578,7 +2586,8 @@ get "/api/v1/captions/:id" do |env|
rescue ex : VideoRedirect
next env.redirect "/api/v1/captions/#{ex.message}"
rescue ex
halt env, status_code: 500
env.response.status_code = 500
next
end
captions = video.captions
@ -2604,12 +2613,8 @@ get "/api/v1/captions/:id" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
next JSON.parse(response).to_pretty_json
else
next response
end
end
env.response.content_type = "text/vtt"
@ -2620,7 +2625,8 @@ get "/api/v1/captions/:id" do |env|
end
if caption.empty?
halt env, status_code: 404
env.response.status_code = 404
next
else
caption = caption[0]
end
@ -2690,7 +2696,8 @@ get "/api/v1/comments/:id" do |env|
comments = fetch_youtube_comments(id, PG_DB, continuation, proxies, format, locale, region)
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
next comments
@ -2708,18 +2715,15 @@ get "/api/v1/comments/:id" do |env|
end
if !reddit_thread || !comments
halt env, status_code: 404
env.response.status_code = 404
next
end
if format == "json"
reddit_thread = JSON.parse(reddit_thread.to_json).as_h
reddit_thread["comments"] = JSON.parse(comments.to_json)
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
next reddit_thread.to_pretty_json
else
next reddit_thread.to_json
end
else
response = {
"title" => reddit_thread.title,
@ -2727,14 +2731,10 @@ get "/api/v1/comments/:id" do |env|
"contentHtml" => content_html,
}
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
next response.to_pretty_json
else
next response.to_json
end
end
end
end
get "/api/v1/insights/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -2743,7 +2743,8 @@ get "/api/v1/insights/:id" do |env|
env.response.content_type = "application/json"
error_message = {"error" => "YouTube has removed publicly-available analytics."}.to_json
halt env, status_code: 410, response: error_message
env.response.status_code = 410
next error_message
client = make_client(YT_URL)
headers = HTTP::Headers.new
@ -2820,12 +2821,8 @@ get "/api/v1/insights/:id" do |env|
"graphData" => graph_data,
}
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
next response.to_pretty_json
else
next response.to_json
end
end
get "/api/v1/videos/:id" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -2841,7 +2838,8 @@ get "/api/v1/videos/:id" do |env|
next env.redirect "/api/v1/videos/#{ex.message}"
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
fmt_stream = video.fmt_stream(decrypt_function)
@ -3029,12 +3027,8 @@ get "/api/v1/videos/:id" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(video_info).to_pretty_json
else
video_info
end
end
get "/api/v1/trending" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3048,7 +3042,8 @@ get "/api/v1/trending" do |env|
trending = fetch_trending(trending_type, proxies, region, locale)
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
videos = JSON.build do |json|
@ -3080,12 +3075,8 @@ get "/api/v1/trending" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(videos).to_pretty_json
else
videos
end
end
get "/api/v1/popular" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3114,12 +3105,8 @@ get "/api/v1/popular" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(videos).to_pretty_json
else
videos
end
end
get "/api/v1/top" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3128,7 +3115,8 @@ get "/api/v1/top" do |env|
if !config.top_enabled
error_message = {"error" => "Administrator has disabled this endpoint."}.to_json
halt env, status_code: 400, response: error_message
env.response.status_code = 400
next error_message
end
videos = JSON.build do |json|
@ -3160,12 +3148,8 @@ get "/api/v1/top" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(videos).to_pretty_json
else
videos
end
end
get "/api/v1/channels/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3180,7 +3164,8 @@ get "/api/v1/channels/:ucid" do |env|
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
page = 1
@ -3192,7 +3177,8 @@ get "/api/v1/channels/:ucid" do |env|
videos, count = get_60_videos(ucid, page, auto_generated, sort_by)
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
end
@ -3367,12 +3353,8 @@ get "/api/v1/channels/:ucid" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(channel_info).to_pretty_json
else
channel_info
end
end
["/api/v1/channels/:ucid/videos", "/api/v1/channels/videos/:ucid"].each do |route|
get route do |env|
@ -3391,14 +3373,16 @@ end
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
begin
videos, count = get_60_videos(ucid, page, auto_generated, sort_by)
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
result = JSON.build do |json|
@ -3437,13 +3421,9 @@ end
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(result).to_pretty_json
else
result
end
end
end
["/api/v1/channels/:ucid/latest", "/api/v1/channels/latest/:ucid"].each do |route|
get route do |env|
@ -3457,7 +3437,8 @@ end
videos = get_latest_videos(ucid)
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
response = JSON.build do |json|
@ -3489,13 +3470,9 @@ end
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(response).to_pretty_json
else
response
end
end
end
["/api/v1/channels/:ucid/playlists", "/api/v1/channels/playlists/:ucid"].each do |route|
get route do |env|
@ -3512,8 +3489,9 @@ end
begin
author, ucid, auto_generated = get_about_info(ucid, locale)
rescue ex
error_message = ex.message
halt env, status_code: 500, response: error_message
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
items, continuation = fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by)
@ -3558,13 +3536,9 @@ end
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(response).to_pretty_json
else
response
end
end
end
get "/api/v1/channels/search/:ucid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3663,12 +3637,8 @@ get "/api/v1/channels/search/:ucid" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(response).to_pretty_json
else
response
end
end
get "/api/v1/search" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3792,12 +3762,8 @@ get "/api/v1/search" do |env|
end
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(response).to_pretty_json
else
response
end
end
get "/api/v1/playlists/:plid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3821,7 +3787,8 @@ get "/api/v1/playlists/:plid" do |env|
playlist = fetch_playlist(plid, locale)
rescue ex
error_message = {"error" => "Playlist is empty"}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
begin
@ -3895,12 +3862,8 @@ get "/api/v1/playlists/:plid" do |env|
}.to_json
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(response).to_pretty_json
else
response
end
end
get "/api/v1/mixes/:rdid" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
@ -3927,7 +3890,8 @@ get "/api/v1/mixes/:rdid" do |env|
mix.videos = mix.videos[index..-1]
rescue ex
error_message = {"error" => ex.message}.to_json
halt env, status_code: 500, response: error_message
env.response.status_code = 500
next error_message
end
response = JSON.build do |json|
@ -3973,11 +3937,7 @@ get "/api/v1/mixes/:rdid" do |env|
}.to_json
end
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
JSON.parse(response).to_pretty_json
else
response
end
response
end
get "/api/manifest/dash/id/videoplayback" do |env|
@ -4009,7 +3969,8 @@ get "/api/manifest/dash/id/:id" do |env|
next env.redirect url
rescue ex
halt env, status_code: 403
env.response.status_code = 403
next
end
if dashmpd = video.player_response["streamingData"]?.try &.["dashManifestUrl"]?.try &.as_s
@ -4096,7 +4057,8 @@ get "/api/manifest/hls_variant/*" do |env|
manifest = client.get(env.request.path)
if manifest.status_code != 200
halt env, status_code: manifest.status_code
env.response.status_code = manifest.status_code
next
end
env.response.content_type = "application/x-mpegURL"
@ -4113,7 +4075,8 @@ get "/api/manifest/hls_playlist/*" do |env|
manifest = client.get(env.request.path)
if manifest.status_code != 200
halt env, status_code: manifest.status_code
env.response.status_code = manifest.status_code
next
end
host_url = make_host_url(config, Kemal.config)
@ -4149,7 +4112,8 @@ get "/latest_version" do |env|
local = local == "true"
if !id || !itag
halt env, status_code: 400
env.response.status_code = 400
next
end
video = get_video(id, PG_DB, proxies, region: region)
@ -4159,9 +4123,11 @@ get "/latest_version" do |env|
urls = (fmt_stream + adaptive_fmts).select { |fmt| fmt["itag"] == itag }
if urls.empty?
halt env, status_code: 404
env.response.status_code = 404
next
elsif urls.size > 1
halt env, status_code: 409
env.response.status_code = 409
next
end
url = urls[0]["url"]
@ -4285,7 +4251,8 @@ get "/videoplayback" do |env|
end
if response.status_code >= 400
halt env, status_code: response.status_code
env.response.status_code = response.status_code
next
end
client = make_client(URI.parse(host), proxies, region)
@ -4509,8 +4476,8 @@ public_folder "assets"
Kemal.config.powered_by_header = false
add_handler FilteredCompressHandler.new
add_handler DenyFrame.new
add_handler APIHandler.new
add_handler DenyFrame.new
add_context_storage_type(User)
add_context_storage_type(Preferences)

132
src/invidious/helpers/handlers.cr Normal file
View file

@ -0,0 +1,132 @@
module HTTP::Handler
@@exclude_routes_tree = Radix::Tree(String).new
macro exclude(paths, method = "GET")
class_name = {{@type.name}}
method_downcase = {{method.downcase}}
class_name_method = "#{class_name}/#{method_downcase}"
({{paths}}).each do |path|
@@exclude_routes_tree.add class_name_method + path, '/' + method_downcase + path
end
end
def exclude_match?(env : HTTP::Server::Context)
@@exclude_routes_tree.find(radix_path(env.request.method, env.request.path)).found?
end
private def radix_path(method : String, path : String)
"#{self.class}/#{method.downcase}#{path}"
end
end
class Kemal::RouteHandler
exclude ["/api/v1/*"]
# Processes the route if it's a match. Otherwise renders 404.
private def process_request(context)
raise Kemal::Exceptions::RouteNotFound.new(context) unless context.route_found?
content = context.route.handler.call(context)
if !Kemal.config.error_handlers.empty? && Kemal.config.error_handlers.has_key?(context.response.status_code) && exclude_match?(context)
raise Kemal::Exceptions::CustomException.new(context)
end
context.response.print(content)
context
end
end
class Kemal::ExceptionHandler
exclude ["/api/v1/*"]
private def call_exception_with_status_code(context : HTTP::Server::Context, exception : Exception, status_code : Int32)
return if context.response.closed?
return if exclude_match? context
if !Kemal.config.error_handlers.empty? && Kemal.config.error_handlers.has_key?(status_code)
context.response.content_type = "text/html" unless context.response.headers.has_key?("Content-Type")
context.response.status_code = status_code
context.response.print Kemal.config.error_handlers[status_code].call(context, exception)
context
end
end
end
class FilteredCompressHandler < Kemal::Handler
exclude ["/videoplayback", "/videoplayback/*", "/vi/*", "/ggpht/*"]
def call(env)
return call_next env if exclude_match? env
{% if flag?(:without_zlib) %}
call_next env
{% else %}
request_headers = env.request.headers
if request_headers.includes_word?("Accept-Encoding", "gzip")
env.response.headers["Content-Encoding"] = "gzip"
env.response.output = Gzip::Writer.new(env.response.output, sync_close: true)
elsif request_headers.includes_word?("Accept-Encoding", "deflate")
env.response.headers["Content-Encoding"] = "deflate"
env.response.output = Flate::Writer.new(env.response.output, sync_close: true)
end
call_next env
{% end %}
end
end
class APIHandler < Kemal::Handler
only ["/api/v1/*"]
def call(env)
return call_next env unless only_match? env
env.response.headers["Access-Control-Allow-Origin"] = "*"
# Here we swap out the socket IO so we can modify the response as needed
output = env.response.output
env.response.output = IO::Memory.new
begin
call_next env
env.response.output.rewind
response = env.response.output.gets_to_end
if env.response.headers["Content-Type"]?.try &.== "application/json"
response = JSON.parse(response)
if env.params.query["pretty"]? && env.params.query["pretty"] == "1"
response = response.to_pretty_json
else
response = response.to_json
end
end
ensure
env.response.output = output
env.response.puts response
env.response.flush
end
end
end
class DenyFrame < Kemal::Handler
exclude ["/embed/*"]
def call(env)
return call_next env if exclude_match? env
env.response.headers["X-Frame-Options"] = "sameorigin"
call_next env
end
end
# Temp fix for https://github.com/crystal-lang/crystal/issues/7383
class HTTP::Client
private def handle_response(response)
# close unless response.keep_alive?
response
end
end

55
src/invidious/helpers/helpers.cr
View file

@ -28,61 +28,6 @@ user: String,
})
end
class FilteredCompressHandler < Kemal::Handler
exclude ["/videoplayback", "/videoplayback/*", "/vi/*", "/api/*", "/ggpht/*"]
def call(env)
return call_next env if exclude_match? env
{% if flag?(:without_zlib) %}
call_next env
{% else %}
request_headers = env.request.headers
if request_headers.includes_word?("Accept-Encoding", "gzip")
env.response.headers["Content-Encoding"] = "gzip"
env.response.output = Gzip::Writer.new(env.response.output, sync_close: true)
elsif request_headers.includes_word?("Accept-Encoding", "deflate")
env.response.headers["Content-Encoding"] = "deflate"
env.response.output = Flate::Writer.new(env.response.output, sync_close: true)
end
call_next env
{% end %}
end
end
class APIHandler < Kemal::Handler
only ["/api/v1/*"]
def call(env)
return call_next env unless only_match? env
env.response.headers["Access-Control-Allow-Origin"] = "*"
call_next env
end
end
class DenyFrame < Kemal::Handler
exclude ["/embed/*"]
def call(env)
return call_next env if exclude_match? env
env.response.headers["X-Frame-Options"] = "sameorigin"
call_next env
end
end
# Temp fix for https://github.com/crystal-lang/crystal/issues/7383
class HTTP::Client
private def handle_response(response)
# close unless response.keep_alive?
response
end
end
def rank_videos(db, n)
top = [] of {Float64, String}