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[refactor] Finish converting jobs to new job setup (#1420) 

[refactor] Finish converting jobs to new job setup
This commit is contained in:
Matthew McGarvey 2020-10-17 07:25:57 -05:00 committed by GitHub
parent d571573e52
commit 0520e67303
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8 changed files with 376 additions and 366 deletions
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100
src/invidious.cr
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@ -160,90 +160,29 @@ end
# Start jobs # Start jobs
Invidious::Jobs.register Invidious::Jobs::RefreshChannelsJob.new(PG_DB, logger, config) Invidious::Jobs.register Invidious::Jobs::RefreshChannelsJob.new(PG_DB, logger, config)
refresh_feeds(PG_DB, logger, config) Invidious::Jobs.register Invidious::Jobs::RefreshFeedsJob.new(PG_DB, logger, config)
subscribe_to_feeds(PG_DB, logger, HMAC_KEY, config) Invidious::Jobs.register Invidious::Jobs::SubscribeToFeedsJob.new(PG_DB, logger, config, HMAC_KEY)
statistics = {
"error" => "Statistics are not availabile.",
}
if config.statistics_enabled
spawn do
statistics = {
"version" => "2.0",
"software" => SOFTWARE,
"openRegistrations" => config.registration_enabled,
"usage" => {
"users" => {
"total" => PG_DB.query_one("SELECT count(*) FROM users", as: Int64),
"activeHalfyear" => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '6 months'", as: Int64),
"activeMonth" => PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '1 month'", as: Int64),
},
},
"metadata" => {
"updatedAt" => Time.utc.to_unix,
"lastChannelRefreshedAt" => PG_DB.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0_i64,
},
}
loop do
sleep 1.minute
Fiber.yield
statistics["usage"].as(Hash)["users"].as(Hash)["total"] = PG_DB.query_one("SELECT count(*) FROM users", as: Int64)
statistics["usage"].as(Hash)["users"].as(Hash)["activeHalfyear"] = PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '6 months'", as: Int64)
statistics["usage"].as(Hash)["users"].as(Hash)["activeMonth"] = PG_DB.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '1 month'", as: Int64)
statistics["metadata"].as(Hash(String, Int64))["updatedAt"] = Time.utc.to_unix
statistics["metadata"].as(Hash(String, Int64))["lastChannelRefreshedAt"] = PG_DB.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0_i64
end
end
end
Invidious::Jobs.register Invidious::Jobs::PullPopularVideosJob.new(PG_DB) Invidious::Jobs.register Invidious::Jobs::PullPopularVideosJob.new(PG_DB)
Invidious::Jobs.register Invidious::Jobs::UpdateDecryptFunctionJob.new
if config.statistics_enabled
Invidious::Jobs.register Invidious::Jobs::StatisticsRefreshJob.new(PG_DB, config, SOFTWARE)
end
if config.captcha_key
Invidious::Jobs.register Invidious::Jobs::BypassCaptchaJob.new(logger, config)
end
connection_channel = Channel({Bool, Channel(PQ::Notification)}).new(32)
Invidious::Jobs.register Invidious::Jobs::NotificationJob.new(connection_channel, PG_URL)
Invidious::Jobs.start_all Invidious::Jobs.start_all
def popular_videos def popular_videos
Invidious::Jobs::PullPopularVideosJob::POPULAR_VIDEOS.get Invidious::Jobs::PullPopularVideosJob::POPULAR_VIDEOS.get
end end
DECRYPT_FUNCTION = [] of {SigProc, Int32} DECRYPT_FUNCTION = Invidious::Jobs::UpdateDecryptFunctionJob::DECRYPT_FUNCTION
spawn do
update_decrypt_function do |function|
DECRYPT_FUNCTION.clear
function.each { |i| DECRYPT_FUNCTION << i }
end
end
if CONFIG.captcha_key
spawn do
bypass_captcha(CONFIG.captcha_key, logger) do |cookies|
cookies.each do |cookie|
config.cookies << cookie
end
# Persist cookies between runs
CONFIG.cookies = config.cookies
File.write("config/config.yml", config.to_yaml)
end
end
end
connection_channel = Channel({Bool, Channel(PQ::Notification)}).new(32)
spawn do
connections = [] of Channel(PQ::Notification)
PG.connect_listen(PG_URL, "notifications") { |event| connections.each { |connection| connection.send(event) } }
loop do
action, connection = connection_channel.receive
case action
when true
connections << connection
when false
connections.delete(connection)
end
end
end
before_all do |env| before_all do |env|
preferences = begin preferences = begin
@ -3658,12 +3597,7 @@ get "/api/v1/stats" do |env|
next error_message next error_message
end end
if statistics["error"]? Invidious::Jobs::StatisticsRefreshJob::STATISTICS.to_json
env.response.status_code = 500
next statistics.to_json
end
statistics.to_json
end end
# YouTube provides "storyboards", which are sprites containing x * y # YouTube provides "storyboards", which are sprites containing x * y

286
src/invidious/helpers/jobs.cr
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@ -1,286 +0,0 @@
def refresh_feeds(db, logger, config)
max_channel = Channel(Int32).new
spawn do
max_threads = max_channel.receive
active_threads = 0
active_channel = Channel(Bool).new
loop do
db.query("SELECT email FROM users WHERE feed_needs_update = true OR feed_needs_update IS NULL") do |rs|
rs.each do
email = rs.read(String)
view_name = "subscriptions_#{sha256(email)}"
if active_threads >= max_threads
if active_channel.receive
active_threads -= 1
end
end
active_threads += 1
spawn do
begin
# Drop outdated views
column_array = get_column_array(db, view_name)
ChannelVideo.type_array.each_with_index do |name, i|
if name != column_array[i]?
logger.puts("DROP MATERIALIZED VIEW #{view_name}")
db.exec("DROP MATERIALIZED VIEW #{view_name}")
raise "view does not exist"
end
end
if !db.query_one("SELECT pg_get_viewdef('#{view_name}')", as: String).includes? "WHERE ((cv.ucid = ANY (u.subscriptions))"
logger.puts("Materialized view #{view_name} is out-of-date, recreating...")
db.exec("DROP MATERIALIZED VIEW #{view_name}")
end
db.exec("REFRESH MATERIALIZED VIEW #{view_name}")
db.exec("UPDATE users SET feed_needs_update = false WHERE email = $1", email)
rescue ex
# Rename old views
begin
legacy_view_name = "subscriptions_#{sha256(email)[0..7]}"
db.exec("SELECT * FROM #{legacy_view_name} LIMIT 0")
logger.puts("RENAME MATERIALIZED VIEW #{legacy_view_name}")
db.exec("ALTER MATERIALIZED VIEW #{legacy_view_name} RENAME TO #{view_name}")
rescue ex
begin
# While iterating through, we may have an email stored from a deleted account
if db.query_one?("SELECT true FROM users WHERE email = $1", email, as: Bool)
logger.puts("CREATE #{view_name}")
db.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(email)}")
db.exec("UPDATE users SET feed_needs_update = false WHERE email = $1", email)
end
rescue ex
logger.puts("REFRESH #{email} : #{ex.message}")
end
end
end
active_channel.send(true)
end
end
end
sleep 5.seconds
Fiber.yield
end
end
max_channel.send(config.feed_threads)
end
def subscribe_to_feeds(db, logger, key, config)
if config.use_pubsub_feeds
case config.use_pubsub_feeds
when Bool
max_threads = config.use_pubsub_feeds.as(Bool).to_unsafe
when Int32
max_threads = config.use_pubsub_feeds.as(Int32)
end
max_channel = Channel(Int32).new
spawn do
max_threads = max_channel.receive
active_threads = 0
active_channel = Channel(Bool).new
loop do
db.query_all("SELECT id FROM channels WHERE CURRENT_TIMESTAMP - subscribed > interval '4 days' OR subscribed IS NULL") do |rs|
rs.each do
ucid = rs.read(String)
if active_threads >= max_threads.as(Int32)
if active_channel.receive
active_threads -= 1
end
end
active_threads += 1
spawn do
begin
response = subscribe_pubsub(ucid, key, config)
if response.status_code >= 400
logger.puts("#{ucid} : #{response.body}")
end
rescue ex
logger.puts("#{ucid} : #{ex.message}")
end
active_channel.send(true)
end
end
end
sleep 1.minute
Fiber.yield
end
end
max_channel.send(max_threads.as(Int32))
end
end
def pull_popular_videos(db)
loop do
videos = db.query_all("SELECT DISTINCT ON (ucid) * FROM channel_videos WHERE ucid IN \
(SELECT channel FROM (SELECT UNNEST(subscriptions) AS channel FROM users) AS d \
GROUP BY channel ORDER BY COUNT(channel) DESC LIMIT 40) \
ORDER BY ucid, published DESC", as: ChannelVideo).sort_by { |video| video.published }.reverse
yield videos
sleep 1.minute
Fiber.yield
end
end
def update_decrypt_function
loop do
begin
decrypt_function = fetch_decrypt_function
yield decrypt_function
rescue ex
# TODO: Log error
next
ensure
sleep 1.minute
Fiber.yield
end
end
end
def bypass_captcha(captcha_key, logger)
loop do
begin
{"/watch?v=CvFH_6DNRCY&gl=US&hl=en&has_verified=1&bpctr=9999999999", produce_channel_videos_url(ucid: "UCXuqSBlHAE6Xw-yeJA0Tunw")}.each do |path|
response = YT_POOL.client &.get(path)
if response.body.includes?("To continue with your YouTube experience, please fill out the form below.")
html = XML.parse_html(response.body)
form = html.xpath_node(%(//form[@action="/das_captcha"])).not_nil!
site_key = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-sitekey"]
s_value = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-s"]
inputs = {} of String => String
form.xpath_nodes(%(.//input[@name])).map do |node|
inputs[node["name"]] = node["value"]
end
headers = response.cookies.add_request_headers(HTTP::Headers.new)
response = JSON.parse(HTTP::Client.post("https://api.anti-captcha.com/createTask", body: {
"clientKey" => CONFIG.captcha_key,
"task" => {
"type" => "NoCaptchaTaskProxyless",
"websiteURL" => "https://www.youtube.com#{path}",
"websiteKey" => site_key,
"recaptchaDataSValue" => s_value,
},
}.to_json).body)
raise response["error"].as_s if response["error"]?
task_id = response["taskId"].as_i
loop do
sleep 10.seconds
response = JSON.parse(HTTP::Client.post("https://api.anti-captcha.com/getTaskResult", body: {
"clientKey" => CONFIG.captcha_key,
"taskId" => task_id,
}.to_json).body)
if response["status"]?.try &.== "ready"
break
elsif response["errorId"]?.try &.as_i != 0
raise response["errorDescription"].as_s
end
end
inputs["g-recaptcha-response"] = response["solution"]["gRecaptchaResponse"].as_s
headers["Cookies"] = response["solution"]["cookies"].as_h?.try &.map { |k, v| "#{k}=#{v}" }.join("; ") || ""
response = YT_POOL.client &.post("/das_captcha", headers, form: inputs)
yield response.cookies.select { |cookie| cookie.name != "PREF" }
elsif response.headers["Location"]?.try &.includes?("/sorry/index")
location = response.headers["Location"].try { |u| URI.parse(u) }
headers = HTTP::Headers{":authority" => location.host.not_nil!}
response = YT_POOL.client &.get(location.full_path, headers)
html = XML.parse_html(response.body)
form = html.xpath_node(%(//form[@action="index"])).not_nil!
site_key = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-sitekey"]
s_value = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-s"]
inputs = {} of String => String
form.xpath_nodes(%(.//input[@name])).map do |node|
inputs[node["name"]] = node["value"]
end
captcha_client = HTTPClient.new(URI.parse("https://api.anti-captcha.com"))
captcha_client.family = CONFIG.force_resolve || Socket::Family::INET
response = JSON.parse(captcha_client.post("/createTask", body: {
"clientKey" => CONFIG.captcha_key,
"task" => {
"type" => "NoCaptchaTaskProxyless",
"websiteURL" => location.to_s,
"websiteKey" => site_key,
"recaptchaDataSValue" => s_value,
},
}.to_json).body)
raise response["error"].as_s if response["error"]?
task_id = response["taskId"].as_i
loop do
sleep 10.seconds
response = JSON.parse(captcha_client.post("/getTaskResult", body: {
"clientKey" => CONFIG.captcha_key,
"taskId" => task_id,
}.to_json).body)
if response["status"]?.try &.== "ready"
break
elsif response["errorId"]?.try &.as_i != 0
raise response["errorDescription"].as_s
end
end
inputs["g-recaptcha-response"] = response["solution"]["gRecaptchaResponse"].as_s
headers["Cookies"] = response["solution"]["cookies"].as_h?.try &.map { |k, v| "#{k}=#{v}" }.join("; ") || ""
response = YT_POOL.client &.post("/sorry/index", headers: headers, form: inputs)
headers = HTTP::Headers{
"Cookie" => URI.parse(response.headers["location"]).query_params["google_abuse"].split(";")[0],
}
cookies = HTTP::Cookies.from_headers(headers)
yield cookies
end
end
rescue ex
logger.puts("Exception: #{ex.message}")
ensure
sleep 1.minute
Fiber.yield
end
end
end
def find_working_proxies(regions)
loop do
regions.each do |region|
proxies = get_proxies(region).first(20)
proxies = proxies.map { |proxy| {ip: proxy[:ip], port: proxy[:port]} }
# proxies = filter_proxies(proxies)
yield region, proxies
end
sleep 1.minute
Fiber.yield
end
end

131
src/invidious/jobs/bypass_captcha_job.cr Normal file
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@ -0,0 +1,131 @@
class Invidious::Jobs::BypassCaptchaJob < Invidious::Jobs::BaseJob
private getter logger : Invidious::LogHandler
private getter config : Config
def initialize(@logger, @config)
end
def begin
loop do
begin
{"/watch?v=CvFH_6DNRCY&gl=US&hl=en&has_verified=1&bpctr=9999999999", produce_channel_videos_url(ucid: "UCXuqSBlHAE6Xw-yeJA0Tunw")}.each do |path|
response = YT_POOL.client &.get(path)
if response.body.includes?("To continue with your YouTube experience, please fill out the form below.")
html = XML.parse_html(response.body)
form = html.xpath_node(%(//form[@action="/das_captcha"])).not_nil!
site_key = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-sitekey"]
s_value = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-s"]
inputs = {} of String => String
form.xpath_nodes(%(.//input[@name])).map do |node|
inputs[node["name"]] = node["value"]
end
headers = response.cookies.add_request_headers(HTTP::Headers.new)
response = JSON.parse(HTTP::Client.post("https://api.anti-captcha.com/createTask", body: {
"clientKey" => config.captcha_key,
"task" => {
"type" => "NoCaptchaTaskProxyless",
"websiteURL" => "https://www.youtube.com#{path}",
"websiteKey" => site_key,
"recaptchaDataSValue" => s_value,
},
}.to_json).body)
raise response["error"].as_s if response["error"]?
task_id = response["taskId"].as_i
loop do
sleep 10.seconds
response = JSON.parse(HTTP::Client.post("https://api.anti-captcha.com/getTaskResult", body: {
"clientKey" => config.captcha_key,
"taskId" => task_id,
}.to_json).body)
if response["status"]?.try &.== "ready"
break
elsif response["errorId"]?.try &.as_i != 0
raise response["errorDescription"].as_s
end
end
inputs["g-recaptcha-response"] = response["solution"]["gRecaptchaResponse"].as_s
headers["Cookies"] = response["solution"]["cookies"].as_h?.try &.map { |k, v| "#{k}=#{v}" }.join("; ") || ""
response = YT_POOL.client &.post("/das_captcha", headers, form: inputs)
response.cookies
.select { |cookie| cookie.name != "PREF" }
.each { |cookie| config.cookies << cookie }
# Persist cookies between runs
File.write("config/config.yml", config.to_yaml)
elsif response.headers["Location"]?.try &.includes?("/sorry/index")
location = response.headers["Location"].try { |u| URI.parse(u) }
headers = HTTP::Headers{":authority" => location.host.not_nil!}
response = YT_POOL.client &.get(location.full_path, headers)
html = XML.parse_html(response.body)
form = html.xpath_node(%(//form[@action="index"])).not_nil!
site_key = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-sitekey"]
s_value = form.xpath_node(%(.//div[@id="recaptcha"])).try &.["data-s"]
inputs = {} of String => String
form.xpath_nodes(%(.//input[@name])).map do |node|
inputs[node["name"]] = node["value"]
end
captcha_client = HTTPClient.new(URI.parse("https://api.anti-captcha.com"))
captcha_client.family = config.force_resolve || Socket::Family::INET
response = JSON.parse(captcha_client.post("/createTask", body: {
"clientKey" => config.captcha_key,
"task" => {
"type" => "NoCaptchaTaskProxyless",
"websiteURL" => location.to_s,
"websiteKey" => site_key,
"recaptchaDataSValue" => s_value,
},
}.to_json).body)
raise response["error"].as_s if response["error"]?
task_id = response["taskId"].as_i
loop do
sleep 10.seconds
response = JSON.parse(captcha_client.post("/getTaskResult", body: {
"clientKey" => config.captcha_key,
"taskId" => task_id,
}.to_json).body)
if response["status"]?.try &.== "ready"
break
elsif response["errorId"]?.try &.as_i != 0
raise response["errorDescription"].as_s
end
end
inputs["g-recaptcha-response"] = response["solution"]["gRecaptchaResponse"].as_s
headers["Cookies"] = response["solution"]["cookies"].as_h?.try &.map { |k, v| "#{k}=#{v}" }.join("; ") || ""
response = YT_POOL.client &.post("/sorry/index", headers: headers, form: inputs)
headers = HTTP::Headers{
"Cookie" => URI.parse(response.headers["location"]).query_params["google_abuse"].split(";")[0],
}
cookies = HTTP::Cookies.from_headers(headers)
cookies.each { |cookie| config.cookies << cookie }
# Persist cookies between runs
File.write("config/config.yml", config.to_yaml)
end
end
rescue ex
logger.puts("Exception: #{ex.message}")
ensure
sleep 1.minute
Fiber.yield
end
end
end
end

24
src/invidious/jobs/notification_job.cr Normal file
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@ -0,0 +1,24 @@
class Invidious::Jobs::NotificationJob < Invidious::Jobs::BaseJob
private getter connection_channel : Channel({Bool, Channel(PQ::Notification)})
private getter pg_url : URI
def initialize(@connection_channel, @pg_url)
end
def begin
connections = [] of Channel(PQ::Notification)
PG.connect_listen(pg_url, "notifications") { |event| connections.each(&.send(event)) }
loop do
action, connection = connection_channel.receive
case action
when true
connections << connection
when false
connections.delete(connection)
end
end
end
end

77
src/invidious/jobs/refresh_feeds_job.cr Normal file
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@ -0,0 +1,77 @@
class Invidious::Jobs::RefreshFeedsJob < Invidious::Jobs::BaseJob
private getter db : DB::Database
private getter logger : Invidious::LogHandler
private getter config : Config
def initialize(@db, @logger, @config)
end
def begin
max_threads = config.feed_threads
active_threads = 0
active_channel = Channel(Bool).new
loop do
db.query("SELECT email FROM users WHERE feed_needs_update = true OR feed_needs_update IS NULL") do |rs|
rs.each do
email = rs.read(String)
view_name = "subscriptions_#{sha256(email)}"
if active_threads >= max_threads
if active_channel.receive
active_threads -= 1
end
end
active_threads += 1
spawn do
begin
# Drop outdated views
column_array = get_column_array(db, view_name)
ChannelVideo.type_array.each_with_index do |name, i|
if name != column_array[i]?
logger.puts("DROP MATERIALIZED VIEW #{view_name}")
db.exec("DROP MATERIALIZED VIEW #{view_name}")
raise "view does not exist"
end
end
if !db.query_one("SELECT pg_get_viewdef('#{view_name}')", as: String).includes? "WHERE ((cv.ucid = ANY (u.subscriptions))"
logger.puts("Materialized view #{view_name} is out-of-date, recreating...")
db.exec("DROP MATERIALIZED VIEW #{view_name}")
end
db.exec("REFRESH MATERIALIZED VIEW #{view_name}")
db.exec("UPDATE users SET feed_needs_update = false WHERE email = $1", email)
rescue ex
# Rename old views
begin
legacy_view_name = "subscriptions_#{sha256(email)[0..7]}"
db.exec("SELECT * FROM #{legacy_view_name} LIMIT 0")
logger.puts("RENAME MATERIALIZED VIEW #{legacy_view_name}")
db.exec("ALTER MATERIALIZED VIEW #{legacy_view_name} RENAME TO #{view_name}")
rescue ex
begin
# While iterating through, we may have an email stored from a deleted account
if db.query_one?("SELECT true FROM users WHERE email = $1", email, as: Bool)
logger.puts("CREATE #{view_name}")
db.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(email)}")
db.exec("UPDATE users SET feed_needs_update = false WHERE email = $1", email)
end
rescue ex
logger.puts("REFRESH #{email} : #{ex.message}")
end
end
end
active_channel.send(true)
end
end
end
sleep 5.seconds
Fiber.yield
end
end
end

59
src/invidious/jobs/statistics_refresh_job.cr Normal file
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@ -0,0 +1,59 @@
class Invidious::Jobs::StatisticsRefreshJob < Invidious::Jobs::BaseJob
STATISTICS = {
"version" => "2.0",
"software" => {
"name" => "invidious",
"version" => "",
"branch" => "",
},
"openRegistrations" => true,
"usage" => {
"users" => {
"total" => 0_i64,
"activeHalfyear" => 0_i64,
"activeMonth" => 0_i64,
},
},
"metadata" => {
"updatedAt" => Time.utc.to_unix,
"lastChannelRefreshedAt" => 0_i64,
},
}
private getter db : DB::Database
private getter config : Config
def initialize(@db, @config, @software_config : Hash(String, String))
end
def begin
load_initial_stats
loop do
refresh_stats
sleep 1.minute
Fiber.yield
end
end
# should only be called once at the very beginning
private def load_initial_stats
STATISTICS["software"] = {
"name" => @software_config["name"],
"version" => @software_config["version"],
"branch" => @software_config["branch"],
}
STATISTICS["openRegistration"] = config.registration_enabled
end
private def refresh_stats
users = STATISTICS.dig("usage", "users").as(Hash(String, Int64))
users["total"] = db.query_one("SELECT count(*) FROM users", as: Int64)
users["activeHalfyear"] = db.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '6 months'", as: Int64)
users["activeMonth"] = db.query_one("SELECT count(*) FROM users WHERE CURRENT_TIMESTAMP - updated < '1 month'", as: Int64)
STATISTICS["metadata"] = {
"updatedAt" => Time.utc.to_unix,
"lastChannelRefreshedAt" => db.query_one?("SELECT updated FROM channels ORDER BY updated DESC LIMIT 1", as: Time).try &.to_unix || 0_i64,
}
end
end

52
src/invidious/jobs/subscribe_to_feeds_job.cr Normal file
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@ -0,0 +1,52 @@
class Invidious::Jobs::SubscribeToFeedsJob < Invidious::Jobs::BaseJob
private getter db : DB::Database
private getter logger : Invidious::LogHandler
private getter hmac_key : String
private getter config : Config
def initialize(@db, @logger, @config, @hmac_key)
end
def begin
max_threads = 1
if config.use_pubsub_feeds.is_a?(Int32)
max_threads = config.use_pubsub_feeds.as(Int32)
end
active_threads = 0
active_channel = Channel(Bool).new
loop do
db.query_all("SELECT id FROM channels WHERE CURRENT_TIMESTAMP - subscribed > interval '4 days' OR subscribed IS NULL") do |rs|
rs.each do
ucid = rs.read(String)
if active_threads >= max_threads.as(Int32)
if active_channel.receive
active_threads -= 1
end
end
active_threads += 1
spawn do
begin
response = subscribe_pubsub(ucid, hmac_key, config)
if response.status_code >= 400
logger.puts("#{ucid} : #{response.body}")
end
rescue ex
logger.puts("#{ucid} : #{ex.message}")
end
active_channel.send(true)
end
end
end
sleep 1.minute
Fiber.yield
end
end
end

19
src/invidious/jobs/update_decrypt_function_job.cr Normal file
View File

@ -0,0 +1,19 @@
class Invidious::Jobs::UpdateDecryptFunctionJob < Invidious::Jobs::BaseJob
DECRYPT_FUNCTION = [] of {SigProc, Int32}
def begin
loop do
begin
decrypt_function = fetch_decrypt_function
DECRYPT_FUNCTION.clear
decrypt_function.each { |df| DECRYPT_FUNCTION << df }
rescue ex
# TODO: Log error
next
ensure
sleep 1.minute
Fiber.yield
end
end
end
end