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Add support for proxying comments

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This commit is contained in:
Omar Roth 2018-09-26 18:44:37 -05:00
parent 5d7bd9af0f
commit f99b2cdf01
1 changed files with 60 additions and 21 deletions
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81
src/invidious.cr
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@ -1727,6 +1727,8 @@ end
# API Endpoints
get "/api/v1/captions/:id" do |env|
env.response.content_type = "application/json"
id = env.params.url["id"]
client = make_client(YT_URL)
@ -1740,8 +1742,6 @@ get "/api/v1/captions/:id" do |env|
label = env.params.query["label"]?
if !label
env.response.content_type = "application/json"
response = JSON.build do |json|
json.object do
json.field "captions" do
@ -1815,6 +1815,8 @@ get "/api/v1/captions/:id" do |env|
end
get "/api/v1/comments/:id" do |env|
env.response.content_type = "application/json"
id = env.params.url["id"]
source = env.params.query["source"]?
@ -1825,26 +1827,60 @@ get "/api/v1/comments/:id" do |env|
if source == "youtube"
client = make_client(YT_URL)
headers = HTTP::Headers.new
html = client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1")
headers = HTTP::Headers.new
headers["cookie"] = html.cookies.add_request_headers(headers)["cookie"]
headers["content-type"] = "application/x-www-form-urlencoded"
headers["x-client-data"] = "CIi2yQEIpbbJAQipncoBCNedygEIqKPKAQ=="
headers["x-spf-previous"] = "https://www.youtube.com/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1"
headers["x-spf-referer"] = "https://www.youtube.com/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1"
headers["x-youtube-client-name"] = "1"
headers["x-youtube-client-version"] = "2.20180719"
body = html.body
session_token = body.match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/).not_nil!["session_token"]
itct = body.match(/itct=(?<itct>[^"]+)"/).not_nil!["itct"]
ctoken = body.match(/'COMMENTS_TOKEN': "(?<ctoken>[^"]+)"/)
if !ctoken
env.response.content_type = "application/json"
if body.match(/<meta itemprop="regionsAllowed" content="">/)
bypass_channel = Channel({String, HTTPClient, HTTP::Headers} | Nil).new
proxies.each do |region, list|
spawn do
begin
proxy_client = HTTPClient.new(YT_URL)
proxy_client.read_timeout = 10.seconds
proxy_client.connect_timeout = 10.seconds
proxy = list.sample(1)[0]
proxy = HTTPProxy.new(proxy_host: proxy[:ip], proxy_port: proxy[:port])
proxy_client.set_proxy(proxy)
proxy_html = proxy_client.get("/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1")
proxy_headers = HTTP::Headers.new
proxy_headers["cookie"] = proxy_html.cookies.add_request_headers(headers)["cookie"]
proxy_html = proxy_html.body
if proxy_html.match(/<meta itemprop="regionsAllowed" content="">/)
bypass_channel.send(nil)
else
bypass_channel.send({proxy_html, proxy_client, proxy_headers})
end
rescue ex
bypass_channel.send(nil)
end
end
end
proxies.size.times do
response = bypass_channel.receive
if response
session_token = response[0].match(/'XSRF_TOKEN': "(?<session_token>[A-Za-z0-9\_\-\=]+)"/).not_nil!["session_token"]
itct = response[0].match(/itct=(?<itct>[^"]+)"/).not_nil!["itct"]
ctoken = response[0].match(/'COMMENTS_TOKEN': "(?<ctoken>[^"]+)"/)
client = response[1]
headers = response[2]
break
end
end
end
if !ctoken
if format == "json"
next {"comments" => [] of String}.to_json
else
@ -1852,7 +1888,6 @@ get "/api/v1/comments/:id" do |env|
end
end
ctoken = ctoken["ctoken"]
itct = body.match(/itct=(?<itct>[^"]+)"/).not_nil!["itct"]
if env.params.query["continuation"]? && !env.params.query["continuation"].empty?
continuation = env.params.query["continuation"]
@ -1866,10 +1901,16 @@ get "/api/v1/comments/:id" do |env|
}
post_req = HTTP::Params.encode(post_req)
response = client.post("/comment_service_ajax?action_get_comments=1&pbj=1&ctoken=#{ctoken}&continuation=#{continuation}&itct=#{itct}&hl=en&gl=US", headers, post_req).body
response = JSON.parse(response)
headers["content-type"] = "application/x-www-form-urlencoded"
env.response.content_type = "application/json"
headers["x-client-data"] = "CIi2yQEIpbbJAQipncoBCNedygEIqKPKAQ=="
headers["x-spf-previous"] = "https://www.youtube.com/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1"
headers["x-spf-referer"] = "https://www.youtube.com/watch?v=#{id}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en&disable_polymer=1"
headers["x-youtube-client-name"] = "1"
headers["x-youtube-client-version"] = "2.20180719"
response = client.post("/comment_service_ajax?action_get_comments=1&pbj=1&ctoken=#{ctoken}&continuation=#{continuation}&itct=#{itct}&hl=en&gl=US", headers, post_req)
response = JSON.parse(response.body)
if !response["response"]["continuationContents"]?
halt env, status_code: 403
@ -2025,8 +2066,6 @@ get "/api/v1/comments/:id" do |env|
halt env, status_code: 404
end
env.response.content_type = "application/json"
if format == "json"
reddit_thread = JSON.parse(reddit_thread.to_json).as_h
reddit_thread["comments"] = JSON.parse(comments.to_json)