routes: move before_all logic to its own module
Samantaz Fox
2 years ago
parent
1e25894f7e
commit
870350fd61
@ -0,0 +1,152 @@
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module Invidious::Routes::BeforeAll
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def self.handle(env)
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preferences = Preferences.from_json("{}")
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begin
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if prefs_cookie = env.request.cookies["PREFS"]?
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preferences = Preferences.from_json(URI.decode_www_form(prefs_cookie.value))
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else
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if language_header = env.request.headers["Accept-Language"]?
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if language = ANG.language_negotiator.best(language_header, LOCALES.keys)
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preferences.locale = language.header
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end
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end
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end
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rescue
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preferences = Preferences.from_json("{}")
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end
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env.set "preferences", preferences
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env.response.headers["X-XSS-Protection"] = "1; mode=block"
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env.response.headers["X-Content-Type-Options"] = "nosniff"
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# Allow media resources to be loaded from google servers
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# TODO: check if *.youtube.com can be removed
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if CONFIG.disabled?("local") || !preferences.local
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extra_media_csp = " https://*.googlevideo.com:443 https://*.youtube.com:443"
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else
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extra_media_csp = ""
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end
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# Only allow the pages at /embed/* to be embedded
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if env.request.resource.starts_with?("/embed")
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frame_ancestors = "'self' http: https:"
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else
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frame_ancestors = "'none'"
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end
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# TODO: Remove style-src's 'unsafe-inline', requires to remove all
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# inline styles (<style> [..] </style>, style=" [..] ")
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env.response.headers["Content-Security-Policy"] = {
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"default-src 'none'",
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"script-src 'self'",
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"style-src 'self' 'unsafe-inline'",
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"img-src 'self' data:",
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"font-src 'self' data:",
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"connect-src 'self'",
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"manifest-src 'self'",
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"media-src 'self' blob:" + extra_media_csp,
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"child-src 'self' blob:",
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"frame-src 'self'",
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"frame-ancestors " + frame_ancestors,
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}.join("; ")
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env.response.headers["Referrer-Policy"] = "same-origin"
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# Ask the chrom*-based browsers to disable FLoC
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# See: https://blog.runcloud.io/google-floc/
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env.response.headers["Permissions-Policy"] = "interest-cohort=()"
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if (Kemal.config.ssl || CONFIG.https_only) && CONFIG.hsts
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env.response.headers["Strict-Transport-Security"] = "max-age=31536000; includeSubDomains; preload"
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end
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return if {
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"/sb/",
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"/vi/",
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"/s_p/",
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"/yts/",
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"/ggpht/",
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"/api/manifest/",
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"/videoplayback",
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"/latest_version",
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"/download",
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}.any? { |r| env.request.resource.starts_with? r }
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if env.request.cookies.has_key? "SID"
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sid = env.request.cookies["SID"].value
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if sid.starts_with? "v1:"
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raise "Cannot use token as SID"
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end
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# Invidious users only have SID
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if !env.request.cookies.has_key? "SSID"
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if email = Invidious::Database::SessionIDs.select_email(sid)
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user = Invidious::Database::Users.select!(email: email)
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csrf_token = generate_response(sid, {
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":authorize_token",
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":playlist_ajax",
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":signout",
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":subscription_ajax",
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":token_ajax",
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":watch_ajax",
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}, HMAC_KEY, 1.week)
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preferences = user.preferences
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env.set "preferences", preferences
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env.set "sid", sid
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env.set "csrf_token", csrf_token
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env.set "user", user
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end
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else
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headers = HTTP::Headers.new
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headers["Cookie"] = env.request.headers["Cookie"]
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begin
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user, sid = get_user(sid, headers, false)
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csrf_token = generate_response(sid, {
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":authorize_token",
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":playlist_ajax",
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":signout",
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":subscription_ajax",
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":token_ajax",
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":watch_ajax",
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}, HMAC_KEY, 1.week)
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preferences = user.preferences
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env.set "preferences", preferences
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env.set "sid", sid
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env.set "csrf_token", csrf_token
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env.set "user", user
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rescue ex
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end
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end
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end
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dark_mode = convert_theme(env.params.query["dark_mode"]?) || preferences.dark_mode.to_s
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thin_mode = env.params.query["thin_mode"]? || preferences.thin_mode.to_s
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thin_mode = thin_mode == "true"
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locale = env.params.query["hl"]? || preferences.locale
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preferences.dark_mode = dark_mode
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preferences.thin_mode = thin_mode
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preferences.locale = locale
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env.set "preferences", preferences
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current_page = env.request.path
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if env.request.query
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query = HTTP::Params.parse(env.request.query.not_nil!)
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if query["referer"]?
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query["referer"] = get_referer(env, "/")
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end
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current_page += "?#{query}"
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end
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env.set "current_page", URI.encode_www_form(current_page)
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end
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end
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