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Merge pull request #1560 from matthewmcgarvey/extract-login-routes

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Extract login/signout routes from global file
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TheFrenchGhosty 2020-12-09 15:21:24 +00:00 committed by GitHub
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2 changed files with 511 additions and 508 deletions
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511
src/invidious.cr
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@ -315,517 +315,12 @@ Invidious::Routing.get "/mix", Invidious::Routes::Playlists, :mix
Invidious::Routing.get "/opensearch.xml", Invidious::Routes::Search, :opensearch Invidious::Routing.get "/opensearch.xml", Invidious::Routes::Search, :opensearch
Invidious::Routing.get "/results", Invidious::Routes::Search, :results Invidious::Routing.get "/results", Invidious::Routes::Search, :results
Invidious::Routing.get "/search", Invidious::Routes::Search, :search Invidious::Routing.get "/search", Invidious::Routes::Search, :search
Invidious::Routing.get "/login", Invidious::Routes::Login, :login_page
Invidious::Routing.post "/login", Invidious::Routes::Login, :login
Invidious::Routing.post "/signout", Invidious::Routes::Login, :signout
# Users # Users
get "/login" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
if user
next env.redirect "/feed/subscriptions"
end
if !config.login_enabled
next error_template(400, "Login has been disabled by administrator.")
end
referer = get_referer(env, "/feed/subscriptions")
email = nil
password = nil
captcha = nil
account_type = env.params.query["type"]?
account_type ||= "invidious"
captcha_type = env.params.query["captcha"]?
captcha_type ||= "image"
tfa = env.params.query["tfa"]?
prompt = nil
templated "login"
end
post "/login" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
referer = get_referer(env, "/feed/subscriptions")
if !config.login_enabled
next error_template(403, "Login has been disabled by administrator.")
end
# https://stackoverflow.com/a/574698
email = env.params.body["email"]?.try &.downcase.byte_slice(0, 254)
password = env.params.body["password"]?
account_type = env.params.query["type"]?
account_type ||= "invidious"
case account_type
when "google"
tfa_code = env.params.body["tfa"]?.try &.lchop("G-")
traceback = IO::Memory.new
# 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)
headers = HTTP::Headers.new
login_page = client.get("/ServiceLogin")
headers = login_page.cookies.add_request_headers(headers)
lookup_req = {
email, nil, [] of String, nil, "US", nil, nil, 2, false, true,
{nil, nil,
{2, 1, nil, 1,
"https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn",
nil, [] of String, 4},
1,
{nil, nil, [] of String},
nil, nil, nil, true,
},
email,
}.to_json
traceback << "Getting lookup..."
headers["Content-Type"] = "application/x-www-form-urlencoded;charset=utf-8"
headers["Google-Accounts-XSRF"] = "1"
response = client.post("/_/signin/sl/lookup", headers, login_req(lookup_req))
lookup_results = JSON.parse(response.body[5..-1])
traceback << "done, returned #{response.status_code}.<br/>"
user_hash = lookup_results[0][2]
if token = env.params.body["token"]?
answer = env.params.body["answer"]?
captcha = {token, answer}
else
captcha = nil
end
challenge_req = {
user_hash, nil, 1, nil,
{1, nil, nil, nil,
{password, captcha, true},
},
{nil, nil,
{2, 1, nil, 1,
"https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn",
nil, [] of String, 4},
1,
{nil, nil, [] of String},
nil, nil, nil, true,
},
}.to_json
traceback << "Getting challenge..."
response = client.post("/_/signin/sl/challenge", headers, login_req(challenge_req))
headers = response.cookies.add_request_headers(headers)
challenge_results = JSON.parse(response.body[5..-1])
traceback << "done, returned #{response.status_code}.<br/>"
headers["Cookie"] = URI.decode_www_form(headers["Cookie"])
if challenge_results[0][3]?.try &.== 7
next error_template(423, "Account has temporarily been disabled")
end
if token = challenge_results[0][-1]?.try &.[-1]?.try &.as_h?.try &.["5001"]?.try &.[-1].as_a?.try &.[-1].as_s
account_type = "google"
captcha_type = "image"
prompt = nil
tfa = tfa_code
captcha = {tokens: [token], question: ""}
next templated "login"
end
if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED"
next error_template(401, "Incorrect password")
end
prompt_type = challenge_results[0][-1]?.try &.[0].as_a?.try &.[0][2]?
if {"TWO_STEP_VERIFICATION", "LOGIN_CHALLENGE"}.includes? prompt_type
traceback << "Handling prompt #{prompt_type}.<br/>"
case prompt_type
when "TWO_STEP_VERIFICATION"
prompt_type = 2
else # "LOGIN_CHALLENGE"
prompt_type = 4
end
# Prefer Authenticator app and SMS over unsupported protocols
if !{6, 9, 12, 15}.includes?(challenge_results[0][-1][0][0][8].as_i) && prompt_type == 2
tfa = challenge_results[0][-1][0].as_a.select { |auth_type| {6, 9, 12, 15}.includes? auth_type[8] }[0]
traceback << "Selecting challenge #{tfa[8]}..."
select_challenge = {prompt_type, nil, nil, nil, {tfa[8]}}.to_json
tl = challenge_results[1][2]
tfa = client.post("/_/signin/selectchallenge?TL=#{tl}", headers, login_req(select_challenge)).body
tfa = tfa[5..-1]
tfa = JSON.parse(tfa)[0][-1]
traceback << "done.<br/>"
else
traceback << "Using challenge #{challenge_results[0][-1][0][0][8]}.<br/>"
tfa = challenge_results[0][-1][0][0]
end
if tfa[5] == "QUOTA_EXCEEDED"
next error_template(423, "Quota exceeded, try again in a few hours")
end
if !tfa_code
account_type = "google"
captcha_type = "image"
case tfa[8]
when 6, 9
prompt = "Google verification code"
when 12
prompt = "Login verification, recovery email: #{tfa[-1][tfa[-1].as_h.keys[0]][0]}"
when 15
prompt = "Login verification, security question: #{tfa[-1][tfa[-1].as_h.keys[0]][0]}"
else
prompt = "Google verification code"
end
tfa = nil
captcha = nil
next templated "login"
end
tl = challenge_results[1][2]
request_type = tfa[8]
case request_type
when 6 # Authenticator app
tfa_req = {
user_hash, nil, 2, nil,
{6, nil, nil, nil, nil,
{tfa_code, false},
},
}.to_json
when 9 # Voice or text message
tfa_req = {
user_hash, nil, 2, nil,
{9, nil, nil, nil, nil, nil, nil, nil,
{nil, tfa_code, false, 2},
},
}.to_json
when 12 # Recovery email
tfa_req = {
user_hash, nil, 4, nil,
{12, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil,
{tfa_code},
},
}.to_json
when 15 # Security question
tfa_req = {
user_hash, nil, 5, nil,
{15, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil,
{tfa_code},
},
}.to_json
else
next error_template(500, "Unable to log in, make sure two-factor authentication (Authenticator or SMS) is turned on.")
end
traceback << "Submitting challenge..."
response = client.post("/_/signin/challenge?hl=en&TL=#{tl}", headers, login_req(tfa_req))
headers = response.cookies.add_request_headers(headers)
challenge_results = JSON.parse(response.body[5..-1])
if (challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED") ||
(challenge_results[0][-1]?.try &.[5] == "INVALID_INPUT")
next error_template(401, "Invalid TFA code")
end
traceback << "done.<br/>"
end
traceback << "Logging in..."
location = URI.parse(challenge_results[0][-1][2].to_s)
cookies = HTTP::Cookies.from_headers(headers)
headers.delete("Content-Type")
headers.delete("Google-Accounts-XSRF")
loop do
if !location || location.path == "/ManageAccount"
break
end
# Occasionally there will be a second page after login confirming
# the user's phone number ("/b/0/SmsAuthInterstitial"), which we currently don't handle.
if location.path.starts_with? "/b/0/SmsAuthInterstitial"
traceback << "Unhandled dialog /b/0/SmsAuthInterstitial."
end
login = client.get(location.full_path, headers)
headers = login.cookies.add_request_headers(headers)
location = login.headers["Location"]?.try { |u| URI.parse(u) }
end
cookies = HTTP::Cookies.from_headers(headers)
sid = cookies["SID"]?.try &.value
if !sid
raise "Couldn't get SID."
end
user, sid = get_user(sid, headers, PG_DB)
# We are now logged in
traceback << "done.<br/>"
host = URI.parse(env.request.headers["Host"]).host
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
cookies.each do |cookie|
if Kemal.config.ssl || config.https_only
cookie.secure = secure
else
cookie.secure = secure
end
if cookie.extension
cookie.extension = cookie.extension.not_nil!.gsub(".youtube.com", host)
cookie.extension = cookie.extension.not_nil!.gsub("Secure; ", "")
end
env.response.cookies << cookie
end
if env.request.cookies["PREFS"]?
preferences = env.get("preferences").as(Preferences)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
env.redirect referer
rescue ex
traceback.rewind
# error_message = translate(locale, "Login failed. This may be because two-factor authentication is not turned on for your account.")
error_message = %(#{ex.message}<br/>Traceback:<br/><div style="padding-left:2em" id="traceback">#{traceback.gets_to_end}</div>)
next error_template(500, error_message)
end
when "invidious"
if !email
next error_template(401, "User ID is a required field")
end
if !password
next error_template(401, "Password is a required field")
end
user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1", email, as: User)
if user
if !user.password
next error_template(400, "Please sign in using 'Log in with Google'")
end
if Crypto::Bcrypt::Password.new(user.password.not_nil!).verify(password.byte_slice(0, 55))
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
PG_DB.exec("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.utc)
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
end
else
next error_template(401, "Wrong username or password")
end
# Since this user has already registered, we don't want to overwrite their preferences
if env.request.cookies["PREFS"]?
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
else
if !config.registration_enabled
next error_template(400, "Registration has been disabled by administrator.")
end
if password.empty?
next error_template(401, "Password cannot be empty")
end
# See https://security.stackexchange.com/a/39851
if password.bytesize > 55
next error_template(400, "Password cannot be longer than 55 characters")
end
password = password.byte_slice(0, 55)
if config.captcha_enabled
captcha_type = env.params.body["captcha_type"]?
answer = env.params.body["answer"]?
change_type = env.params.body["change_type"]?
if !captcha_type || change_type
if change_type
captcha_type = change_type
end
captcha_type ||= "image"
account_type = "invidious"
tfa = false
prompt = ""
if captcha_type == "image"
captcha = generate_captcha(HMAC_KEY, PG_DB)
else
captcha = generate_text_captcha(HMAC_KEY, PG_DB)
end
next templated "login"
end
tokens = env.params.body.select { |k, v| k.match(/^token\[\d+\]$/) }.map { |k, v| v }
answer ||= ""
captcha_type ||= "image"
case captcha_type
when "image"
answer = answer.lstrip('0')
answer = OpenSSL::HMAC.hexdigest(:sha256, HMAC_KEY, answer)
begin
validate_request(tokens[0], answer, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
next error_template(400, ex)
end
else # "text"
answer = Digest::MD5.hexdigest(answer.downcase.strip)
if tokens.empty?
next error_template(500, "Erroneous CAPTCHA")
end
found_valid_captcha = false
error_exception = Exception.new
tokens.each_with_index do |token, i|
begin
validate_request(token, answer, env.request, HMAC_KEY, PG_DB, locale)
found_valid_captcha = true
rescue ex
error_exception = ex
end
end
if !found_valid_captcha
next error_template(500, error_exception)
end
end
end
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
user, sid = create_user(sid, email, password)
user_array = user.to_a
user_array[4] = user_array[4].to_json # User preferences
args = arg_array(user_array)
PG_DB.exec("INSERT INTO users VALUES (#{args})", args: user_array)
PG_DB.exec("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.utc)
view_name = "subscriptions_#{sha256(user.email)}"
PG_DB.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(user.email)}")
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
end
if env.request.cookies["PREFS"]?
preferences = env.get("preferences").as(Preferences)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
end
env.redirect referer
else
env.redirect referer
end
end
post "/signout" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if !user
next env.redirect referer
end
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
next error_template(400, ex)
end
PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", sid)
env.request.cookies.each do |cookie|
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
env.redirect referer
end
get "/preferences" do |env| get "/preferences" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]? locale = LOCALES[env.get("preferences").as(Preferences).locale]?

508
src/invidious/routes/login.cr Normal file
View file

@ -0,0 +1,508 @@
class Invidious::Routes::Login < Invidious::Routes::BaseRoute
def login_page(env)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
return env.redirect "/feed/subscriptions" if user
if !config.login_enabled
return error_template(400, "Login has been disabled by administrator.")
end
referer = get_referer(env, "/feed/subscriptions")
email = nil
password = nil
captcha = nil
account_type = env.params.query["type"]?
account_type ||= "invidious"
captcha_type = env.params.query["captcha"]?
captcha_type ||= "image"
tfa = env.params.query["tfa"]?
prompt = nil
templated "login"
end
def login(env)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
referer = get_referer(env, "/feed/subscriptions")
if !config.login_enabled
return error_template(403, "Login has been disabled by administrator.")
end
# https://stackoverflow.com/a/574698
email = env.params.body["email"]?.try &.downcase.byte_slice(0, 254)
password = env.params.body["password"]?
account_type = env.params.query["type"]?
account_type ||= "invidious"
case account_type
when "google"
tfa_code = env.params.body["tfa"]?.try &.lchop("G-")
traceback = IO::Memory.new
# 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)
headers = HTTP::Headers.new
login_page = client.get("/ServiceLogin")
headers = login_page.cookies.add_request_headers(headers)
lookup_req = {
email, nil, [] of String, nil, "US", nil, nil, 2, false, true,
{nil, nil,
{2, 1, nil, 1,
"https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn",
nil, [] of String, 4},
1,
{nil, nil, [] of String},
nil, nil, nil, true,
},
email,
}.to_json
traceback << "Getting lookup..."
headers["Content-Type"] = "application/x-www-form-urlencoded;charset=utf-8"
headers["Google-Accounts-XSRF"] = "1"
response = client.post("/_/signin/sl/lookup", headers, login_req(lookup_req))
lookup_results = JSON.parse(response.body[5..-1])
traceback << "done, returned #{response.status_code}.<br/>"
user_hash = lookup_results[0][2]
if token = env.params.body["token"]?
answer = env.params.body["answer"]?
captcha = {token, answer}
else
captcha = nil
end
challenge_req = {
user_hash, nil, 1, nil,
{1, nil, nil, nil,
{password, captcha, true},
},
{nil, nil,
{2, 1, nil, 1,
"https://accounts.google.com/ServiceLogin?passive=true&continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252F%26action_handle_signin%3Dtrue%26hl%3Den%26app%3Ddesktop%26feature%3Dsign_in_button&hl=en&service=youtube&uilel=3&requestPath=%2FServiceLogin&Page=PasswordSeparationSignIn",
nil, [] of String, 4},
1,
{nil, nil, [] of String},
nil, nil, nil, true,
},
}.to_json
traceback << "Getting challenge..."
response = client.post("/_/signin/sl/challenge", headers, login_req(challenge_req))
headers = response.cookies.add_request_headers(headers)
challenge_results = JSON.parse(response.body[5..-1])
traceback << "done, returned #{response.status_code}.<br/>"
headers["Cookie"] = URI.decode_www_form(headers["Cookie"])
if challenge_results[0][3]?.try &.== 7
return error_template(423, "Account has temporarily been disabled")
end
if token = challenge_results[0][-1]?.try &.[-1]?.try &.as_h?.try &.["5001"]?.try &.[-1].as_a?.try &.[-1].as_s
account_type = "google"
captcha_type = "image"
prompt = nil
tfa = tfa_code
captcha = {tokens: [token], question: ""}
return templated "login"
end
if challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED"
return error_template(401, "Incorrect password")
end
prompt_type = challenge_results[0][-1]?.try &.[0].as_a?.try &.[0][2]?
if {"TWO_STEP_VERIFICATION", "LOGIN_CHALLENGE"}.includes? prompt_type
traceback << "Handling prompt #{prompt_type}.<br/>"
case prompt_type
when "TWO_STEP_VERIFICATION"
prompt_type = 2
else # "LOGIN_CHALLENGE"
prompt_type = 4
end
# Prefer Authenticator app and SMS over unsupported protocols
if !{6, 9, 12, 15}.includes?(challenge_results[0][-1][0][0][8].as_i) && prompt_type == 2
tfa = challenge_results[0][-1][0].as_a.select { |auth_type| {6, 9, 12, 15}.includes? auth_type[8] }[0]
traceback << "Selecting challenge #{tfa[8]}..."
select_challenge = {prompt_type, nil, nil, nil, {tfa[8]}}.to_json
tl = challenge_results[1][2]
tfa = client.post("/_/signin/selectchallenge?TL=#{tl}", headers, login_req(select_challenge)).body
tfa = tfa[5..-1]
tfa = JSON.parse(tfa)[0][-1]
traceback << "done.<br/>"
else
traceback << "Using challenge #{challenge_results[0][-1][0][0][8]}.<br/>"
tfa = challenge_results[0][-1][0][0]
end
if tfa[5] == "QUOTA_EXCEEDED"
return error_template(423, "Quota exceeded, try again in a few hours")
end
if !tfa_code
account_type = "google"
captcha_type = "image"
case tfa[8]
when 6, 9
prompt = "Google verification code"
when 12
prompt = "Login verification, recovery email: #{tfa[-1][tfa[-1].as_h.keys[0]][0]}"
when 15
prompt = "Login verification, security question: #{tfa[-1][tfa[-1].as_h.keys[0]][0]}"
else
prompt = "Google verification code"
end
tfa = nil
captcha = nil
return templated "login"
end
tl = challenge_results[1][2]
request_type = tfa[8]
case request_type
when 6 # Authenticator app
tfa_req = {
user_hash, nil, 2, nil,
{6, nil, nil, nil, nil,
{tfa_code, false},
},
}.to_json
when 9 # Voice or text message
tfa_req = {
user_hash, nil, 2, nil,
{9, nil, nil, nil, nil, nil, nil, nil,
{nil, tfa_code, false, 2},
},
}.to_json
when 12 # Recovery email
tfa_req = {
user_hash, nil, 4, nil,
{12, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil,
{tfa_code},
},
}.to_json
when 15 # Security question
tfa_req = {
user_hash, nil, 5, nil,
{15, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil,
{tfa_code},
},
}.to_json
else
return error_template(500, "Unable to log in, make sure two-factor authentication (Authenticator or SMS) is turned on.")
end
traceback << "Submitting challenge..."
response = client.post("/_/signin/challenge?hl=en&TL=#{tl}", headers, login_req(tfa_req))
headers = response.cookies.add_request_headers(headers)
challenge_results = JSON.parse(response.body[5..-1])
if (challenge_results[0][-1]?.try &.[5] == "INCORRECT_ANSWER_ENTERED") ||
(challenge_results[0][-1]?.try &.[5] == "INVALID_INPUT")
return error_template(401, "Invalid TFA code")
end
traceback << "done.<br/>"
end
traceback << "Logging in..."
location = URI.parse(challenge_results[0][-1][2].to_s)
cookies = HTTP::Cookies.from_headers(headers)
headers.delete("Content-Type")
headers.delete("Google-Accounts-XSRF")
loop do
if !location || location.path == "/ManageAccount"
break
end
# Occasionally there will be a second page after login confirming
# the user's phone number ("/b/0/SmsAuthInterstitial"), which we currently don't handle.
if location.path.starts_with? "/b/0/SmsAuthInterstitial"
traceback << "Unhandled dialog /b/0/SmsAuthInterstitial."
end
login = client.get(location.full_path, headers)
headers = login.cookies.add_request_headers(headers)
location = login.headers["Location"]?.try { |u| URI.parse(u) }
end
cookies = HTTP::Cookies.from_headers(headers)
sid = cookies["SID"]?.try &.value
if !sid
raise "Couldn't get SID."
end
user, sid = get_user(sid, headers, PG_DB)
# We are now logged in
traceback << "done.<br/>"
host = URI.parse(env.request.headers["Host"]).host
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
cookies.each do |cookie|
if Kemal.config.ssl || config.https_only
cookie.secure = secure
else
cookie.secure = secure
end
if cookie.extension
cookie.extension = cookie.extension.not_nil!.gsub(".youtube.com", host)
cookie.extension = cookie.extension.not_nil!.gsub("Secure; ", "")
end
env.response.cookies << cookie
end
if env.request.cookies["PREFS"]?
preferences = env.get("preferences").as(Preferences)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
env.redirect referer
rescue ex
traceback.rewind
# error_message = translate(locale, "Login failed. This may be because two-factor authentication is not turned on for your account.")
error_message = %(#{ex.message}<br/>Traceback:<br/><div style="padding-left:2em" id="traceback">#{traceback.gets_to_end}</div>)
return error_template(500, error_message)
end
when "invidious"
if !email
return error_template(401, "User ID is a required field")
end
if !password
return error_template(401, "Password is a required field")
end
user = PG_DB.query_one?("SELECT * FROM users WHERE email = $1", email, as: User)
if user
if !user.password
return error_template(400, "Please sign in using 'Log in with Google'")
end
if Crypto::Bcrypt::Password.new(user.password.not_nil!).verify(password.byte_slice(0, 55))
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
PG_DB.exec("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.utc)
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
end
else
return error_template(401, "Wrong username or password")
end
# Since this user has already registered, we don't want to overwrite their preferences
if env.request.cookies["PREFS"]?
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
else
if !config.registration_enabled
return error_template(400, "Registration has been disabled by administrator.")
end
if password.empty?
return error_template(401, "Password cannot be empty")
end
# See https://security.stackexchange.com/a/39851
if password.bytesize > 55
return error_template(400, "Password cannot be longer than 55 characters")
end
password = password.byte_slice(0, 55)
if config.captcha_enabled
captcha_type = env.params.body["captcha_type"]?
answer = env.params.body["answer"]?
change_type = env.params.body["change_type"]?
if !captcha_type || change_type
if change_type
captcha_type = change_type
end
captcha_type ||= "image"
account_type = "invidious"
tfa = false
prompt = ""
if captcha_type == "image"
captcha = generate_captcha(HMAC_KEY, PG_DB)
else
captcha = generate_text_captcha(HMAC_KEY, PG_DB)
end
return templated "login"
end
tokens = env.params.body.select { |k, v| k.match(/^token\[\d+\]$/) }.map { |k, v| v }
answer ||= ""
captcha_type ||= "image"
case captcha_type
when "image"
answer = answer.lstrip('0')
answer = OpenSSL::HMAC.hexdigest(:sha256, HMAC_KEY, answer)
begin
validate_request(tokens[0], answer, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
return error_template(400, ex)
end
else # "text"
answer = Digest::MD5.hexdigest(answer.downcase.strip)
if tokens.empty?
return error_template(500, "Erroneous CAPTCHA")
end
found_valid_captcha = false
error_exception = Exception.new
tokens.each_with_index do |token, i|
begin
validate_request(token, answer, env.request, HMAC_KEY, PG_DB, locale)
found_valid_captcha = true
rescue ex
error_exception = ex
end
end
if !found_valid_captcha
return error_template(500, error_exception)
end
end
end
sid = Base64.urlsafe_encode(Random::Secure.random_bytes(32))
user, sid = create_user(sid, email, password)
user_array = user.to_a
user_array[4] = user_array[4].to_json # User preferences
args = arg_array(user_array)
PG_DB.exec("INSERT INTO users VALUES (#{args})", args: user_array)
PG_DB.exec("INSERT INTO session_ids VALUES ($1, $2, $3)", sid, email, Time.utc)
view_name = "subscriptions_#{sha256(user.email)}"
PG_DB.exec("CREATE MATERIALIZED VIEW #{view_name} AS #{MATERIALIZED_VIEW_SQL.call(user.email)}")
if Kemal.config.ssl || config.https_only
secure = true
else
secure = false
end
if config.domain
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", domain: "#{config.domain}", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
else
env.response.cookies["SID"] = HTTP::Cookie.new(name: "SID", value: sid, expires: Time.utc + 2.years,
secure: secure, http_only: true)
end
if env.request.cookies["PREFS"]?
preferences = env.get("preferences").as(Preferences)
PG_DB.exec("UPDATE users SET preferences = $1 WHERE email = $2", preferences.to_json, user.email)
cookie = env.request.cookies["PREFS"]
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
end
env.redirect referer
else
env.redirect referer
end
end
def signout(env)
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if !user
return env.redirect referer
end
user = user.as(User)
sid = sid.as(String)
token = env.params.body["csrf_token"]?
begin
validate_request(token, sid, env.request, HMAC_KEY, PG_DB, locale)
rescue ex
return error_template(400, ex)
end
PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", sid)
env.request.cookies.each do |cookie|
cookie.expires = Time.utc(1990, 1, 1)
env.response.cookies << cookie
end
env.redirect referer
end
end