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Major fixes, add options for YT, add User-Agent for Reddit

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This commit is contained in:
Omar Roth 2018-03-04 10:59:03 -06:00
parent 53acf1f6d6
commit 814cdc9971
2 changed files with 46 additions and 59 deletions
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30
src/helpers.cr
View file

@ -243,31 +243,31 @@ end
def make_client(url, context)
client = HTTP::Client.new(url, context)
client.read_timeout = 30.seconds
client.connect_timeout = 30.seconds
client.read_timeout = 10.seconds
client.connect_timeout = 10.seconds
return client
end
def get_reddit_comments(id, client)
def get_reddit_comments(id, client, headers)
query = "(url:3D#{id}%20OR%20url:#{id})%20(site:youtube.com%20OR%20site:youtu.be)"
search_results = client.get("/search.json?q=#{query}")
search_results = client.get("/search.json?q=#{query}", headers)
if search_results.status_code == 302
search_results = client.get(search_results.headers["Location"]).body
result = JSON.parse(search_results)
thread = RedditThread.from_json(result[0]["data"]["children"][0].to_json)
else
if search_results.status_code == 200
search_results = RedditSubmit.from_json(search_results.body)
thread = search_results.data.children.sort_by { |child| child.data.score }[-1]
result = client.get("/r/#{thread.data.subreddit}/comments/#{thread.data.id}?sort=top&depth=3").body
result = client.get("/r/#{thread.data.subreddit}/comments/#{thread.data.id}?sort=top&depth=3", headers).body
result = JSON.parse(result)
end
comments = result[1]["data"]["children"]
elsif search_results.status_code == 302
search_results = client.get(search_results.headers["Location"], headers).body
result = JSON.parse(search_results)
thread = RedditThread.from_json(result[0]["data"]["children"][0].to_json)
else
raise "Got error code #{search_results.status_code}"
end
comments = result[1]["data"]["children"]
return comments, thread
end

75
src/invidious.cr
View file

@ -20,21 +20,31 @@ require "pg"
require "xml"
require "./helpers"
threads = 10
sleep_time = 1.0
yt_pool_size = 10
yt_threads = 5
yt_wait = 1.0
Kemal.config.extra_options do |parser|
parser.banner = "Usage: invidious [arguments]"
parser.on("-t THREADS", "--threads=THREADS", "Number of threads for crawling (default: 10)") do |number|
parser.on("-yp SIZE", "--youtube-pool=SIZE", "Number of clients in youtube pool (default: #{yt_pool_size})") do |number|
begin
threads = number.to_i32
yt_pool_size = number.to_i
rescue ex
puts "SIZE must be integer"
exit
end
end
parser.on("-yt THREADS", "--youtube-threads=THREADS", "Number of threads for crawling (default: #{yt_threads})") do |number|
begin
yt_threads = number.to_i
rescue ex
puts "THREADS must be integer"
exit
end
end
parser.on("-w SECONDS", "--wait=SECONDS", "Time to wait between server requests (default: 1)") do |number|
parser.on("-yw SECONDS", "--youtube-wait=SECONDS", "Time to wait between youtube server requests (default: #{yt_wait})") do |number|
begin
sleep_time = number.to_f64
yt_wait = number.to_f64
rescue ex
puts "SECONDS must be integer or float"
exit
@ -44,24 +54,22 @@ end
Kemal::CLI.new
PG_DB = DB.open "postgres://kemal:kemal@localhost:5432/invidious"
YT_URL = URI.parse("https://www.youtube.com")
CONTEXT = OpenSSL::SSL::Context::Client.new
PG_DB = DB.open "postgres://kemal:kemal@localhost:5432/invidious"
YT_URL = URI.parse("https://www.youtube.com")
REDDIT_URL = URI.parse("https://api.reddit.com")
CONTEXT = OpenSSL::SSL::Context::Client.new
CONTEXT.verify_mode = OpenSSL::SSL::VerifyMode::NONE
CONTEXT.add_options(
OpenSSL::SSL::Options::ALL |
OpenSSL::SSL::Options::NO_SSL_V2 |
OpenSSL::SSL::Options::NO_SSL_V3
)
youtube_pool = Deque.new((threads * 1.2 + 1).to_i) do
youtube_pool = Deque.new(yt_pool_size.to_i) do
make_client(YT_URL, CONTEXT)
end
reddit_pool = Deque.new((threads * 1.2 + 1).to_i) do
make_client(URI.parse("https://api.reddit.com"), CONTEXT)
end
# Refresh youtube_pool by crawling YT
threads.times do
yt_threads.times do
spawn do
io = STDOUT
ids = Deque(String).new
@ -116,29 +124,9 @@ threads.times do
end
end
sleep sleep_time.seconds
youtube_pool << yt_client
end
end
end
threads.times do
spawn do
loop do
client = get_client(reddit_pool)
begin
client.get("/")
rescue ex
STDOUT << "Reddit client : " << ex.message << "\n"
reddit_pool << make_client(URI.parse("https://api.reddit.com"), CONTEXT)
next
end
sleep sleep_time.seconds
reddit_pool << client
sleep yt_wait.seconds
end
end
end
@ -148,7 +136,7 @@ top_videos = [] of Video
spawn do
loop do
top = rank_videos(PG_DB, 40)
client = get_client(youtube_pool)
yt_client = get_client(youtube_pool)
if top.size > 0
args = arg_array(top)
@ -167,7 +155,7 @@ spawn do
top_videos = videos
youtube_pool << client
youtube_pool << yt_client
end
end
@ -252,14 +240,13 @@ get "/watch" do |env|
calculated_rating = 0.0
end
reddit_client = get_client(reddit_pool)
reddit_client = HTTP::Client.new(REDDIT_URL, CONTEXT)
headers = HTTP::Headers{"User-Agent" => "User-Agent: web:invidio.us:v0.1.0 (by /u/omarroth)"}
begin
reddit_comments, reddit_thread = get_reddit_comments(id, reddit_client)
reddit_comments, reddit_thread = get_reddit_comments(id, reddit_client, headers)
rescue ex
reddit_comments = JSON.parse("[]")
reddit_thread = nil
ensure
reddit_pool << reddit_client
end
templated "watch"
@ -275,9 +262,9 @@ get "/search" do |env|
page = env.params.query["page"]? && env.params.query["page"].to_i? ? env.params.query["page"].to_i : 1
client = get_client(youtube_pool)
yt_client = get_client(youtube_pool)
html = client.get("https://www.youtube.com/results?q=#{URI.escape(query)}&page=#{page}&sp=EgIQAVAU").body
html = yt_client.get("https://www.youtube.com/results?q=#{URI.escape(query)}&page=#{page}&sp=EgIQAVAU").body
html = XML.parse_html(html)
videos = Array(Hash(String, String)).new
@ -326,7 +313,7 @@ get "/search" do |env|
end
end
youtube_pool << client
youtube_pool << yt_client
templated "search"
end