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Move user captcha code to its own module
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Samantaz Fox
parent
c04f45d5e3
commit
ad4a06fca5
@ -43,7 +43,6 @@ ARCHIVE_URL = URI.parse("https://archive.org")
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LOGIN_URL = URI.parse("https://accounts.google.com")
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PUBSUB_URL = URI.parse("https://pubsubhubbub.appspot.com")
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REDDIT_URL = URI.parse("https://www.reddit.com")
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TEXTCAPTCHA_URL = URI.parse("https://textcaptcha.com")
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YT_URL = URI.parse("https://www.youtube.com")
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HOST_URL = make_host_url(Kemal.config)
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@ -393,9 +393,9 @@ module Invidious::Routes::Login
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prompt = ""
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if captcha_type == "image"
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captcha = generate_captcha(HMAC_KEY)
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captcha = Invidious::User::Captcha.generate_image(HMAC_KEY)
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else
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captcha = generate_text_captcha(HMAC_KEY)
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captcha = Invidious::User::Captcha.generate_text(HMAC_KEY)
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end
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return templated "login"
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78
src/invidious/user/captcha.cr
Normal file
78
src/invidious/user/captcha.cr
Normal file
@ -0,0 +1,78 @@
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require "openssl/hmac"
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struct Invidious::User
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module Captcha
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extend self
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private TEXTCAPTCHA_URL = URI.parse("https://textcaptcha.com")
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def generate_image(key)
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second = Random::Secure.rand(12)
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second_angle = second * 30
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second = second * 5
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minute = Random::Secure.rand(12)
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minute_angle = minute * 30
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minute = minute * 5
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hour = Random::Secure.rand(12)
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hour_angle = hour * 30 + minute_angle.to_f / 12
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if hour == 0
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hour = 12
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end
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clock_svg = <<-END_SVG
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<svg viewBox="0 0 100 100" width="200px" height="200px">
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<circle cx="50" cy="50" r="45" fill="#eee" stroke="black" stroke-width="2"></circle>
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<text x="69" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 1</text>
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<text x="82.909" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 2</text>
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<text x="88" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 3</text>
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<text x="82.909" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 4</text>
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<text x="69" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 5</text>
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<text x="50" y="91" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 6</text>
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<text x="31" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 7</text>
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<text x="17.091" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 8</text>
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<text x="12" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 9</text>
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<text x="17.091" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">10</text>
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<text x="31" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">11</text>
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<text x="50" y="15" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">12</text>
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<circle cx="50" cy="50" r="3" fill="black"></circle>
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<line id="second" transform="rotate(#{second_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="12" fill="black" stroke="black" stroke-width="1"></line>
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<line id="minute" transform="rotate(#{minute_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="16" fill="black" stroke="black" stroke-width="2"></line>
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<line id="hour" transform="rotate(#{hour_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="24" fill="black" stroke="black" stroke-width="2"></line>
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</svg>
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END_SVG
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image = "data:image/png;base64,"
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image += Process.run(%(rsvg-convert -w 400 -h 400 -b none -f png), shell: true,
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input: IO::Memory.new(clock_svg), output: Process::Redirect::Pipe
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) do |proc|
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Base64.strict_encode(proc.output.gets_to_end)
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end
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answer = "#{hour}:#{minute.to_s.rjust(2, '0')}:#{second.to_s.rjust(2, '0')}"
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answer = OpenSSL::HMAC.hexdigest(:sha256, key, answer)
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return {
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question: image,
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tokens: {generate_response(answer, {":login"}, key, use_nonce: true)},
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}
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end
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def generate_text(key)
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response = make_client(TEXTCAPTCHA_URL, &.get("/github.com/iv.org/invidious.json").body)
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response = JSON.parse(response)
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tokens = response["a"].as_a.map do |answer|
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generate_response(answer.as_s, {":login"}, key, use_nonce: true)
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end
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return {
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question: response["q"].as_s,
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tokens: tokens,
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}
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end
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end
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end
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@ -91,75 +91,6 @@ def create_user(sid, email, password)
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return user, sid
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end
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def generate_captcha(key)
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second = Random::Secure.rand(12)
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second_angle = second * 30
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second = second * 5
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minute = Random::Secure.rand(12)
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minute_angle = minute * 30
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minute = minute * 5
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hour = Random::Secure.rand(12)
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hour_angle = hour * 30 + minute_angle.to_f / 12
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if hour == 0
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hour = 12
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end
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clock_svg = <<-END_SVG
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<svg viewBox="0 0 100 100" width="200px" height="200px">
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<circle cx="50" cy="50" r="45" fill="#eee" stroke="black" stroke-width="2"></circle>
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<text x="69" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 1</text>
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<text x="82.909" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 2</text>
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<text x="88" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 3</text>
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<text x="82.909" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 4</text>
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<text x="69" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 5</text>
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<text x="50" y="91" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 6</text>
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<text x="31" y="85.909" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 7</text>
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<text x="17.091" y="72" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 8</text>
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<text x="12" y="53" text-anchor="middle" fill="black" font-family="Arial" font-size="10px"> 9</text>
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<text x="17.091" y="34" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">10</text>
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<text x="31" y="20.091" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">11</text>
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<text x="50" y="15" text-anchor="middle" fill="black" font-family="Arial" font-size="10px">12</text>
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<circle cx="50" cy="50" r="3" fill="black"></circle>
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<line id="second" transform="rotate(#{second_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="12" fill="black" stroke="black" stroke-width="1"></line>
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<line id="minute" transform="rotate(#{minute_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="16" fill="black" stroke="black" stroke-width="2"></line>
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<line id="hour" transform="rotate(#{hour_angle}, 50, 50)" x1="50" y1="50" x2="50" y2="24" fill="black" stroke="black" stroke-width="2"></line>
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</svg>
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END_SVG
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image = "data:image/png;base64,"
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image += Process.run(%(rsvg-convert -w 400 -h 400 -b none -f png), shell: true,
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input: IO::Memory.new(clock_svg), output: Process::Redirect::Pipe
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) do |proc|
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Base64.strict_encode(proc.output.gets_to_end)
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end
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answer = "#{hour}:#{minute.to_s.rjust(2, '0')}:#{second.to_s.rjust(2, '0')}"
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answer = OpenSSL::HMAC.hexdigest(:sha256, key, answer)
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return {
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question: image,
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tokens: {generate_response(answer, {":login"}, key, use_nonce: true)},
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}
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end
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def generate_text_captcha(key)
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response = make_client(TEXTCAPTCHA_URL, &.get("/github.com/iv.org/invidious.json").body)
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response = JSON.parse(response)
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tokens = response["a"].as_a.map do |answer|
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generate_response(answer.as_s, {":login"}, key, use_nonce: true)
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end
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return {
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question: response["q"].as_s,
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tokens: tokens,
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}
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end
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def subscribe_ajax(channel_id, action, env_headers)
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headers = HTTP::Headers.new
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headers["Cookie"] = env_headers["Cookie"]
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