raucao
0ab0412bb3
CI / Test (pull_request) Successful in 41s
Implements the optional OAuth 2.0 Authorization Code grant with PKCE (RFC 7636) for remoteStorage, as described in the remoteStorage spec (section 10.1). - Advertise the authorization and token endpoints plus the supported code_challenge method (S256) in WebFinger, and bump the advertised spec version to draft-dejong-remotestorage-27 - Add RsAuthorizationCode: a short-lived (5 min), single-use authorization code stored only as a SHA256 digest - Add RsOauthManager services for issuing and exchanging codes, including S256 verification - Add a cross-origin POST /rs/oauth/token endpoint that exchanges a code (and code_verifier) for an access token, with CORS and no CSRF token - Consent dialog now carries response_type / code_challenge through the form and redirects with the code in the query string for the code flow - Remove the existing-token reuse shortcut so every authorization results in a distinct authorization (and token) Part of #254
130 lines
3.5 KiB
Ruby
130 lines
3.5 KiB
Ruby
class WebfingerController < WellKnownController
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before_action :allow_cross_origin_requests, only: [:show]
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def show
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resource = params[:resource]
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if resource && @useraddress = resource.match(/acct:(.+)/)&.[](1)
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@username, @domain = @useraddress.split("@")
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unless Rails.env.development?
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# Allow different domains (e.g. localhost:3000) in development only
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head 404 and return unless @domain == Setting.primary_domain
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end
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unless @user = User.where(ou: Setting.primary_domain)
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.find_by(cn: @username.downcase)
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head 404 and return
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end
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render json: webfinger.to_json,
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content_type: "application/jrd+json"
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else
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head 422 and return
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end
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end
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private
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def webfinger
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jrd = {
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subject: "acct:#{@user.address}",
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aliases: [],
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links: []
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}
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if @user.avatar.attached?
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jrd[:links] += avatar_link
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end
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if Setting.mastodon_enabled && @user.service_enabled?(:mastodon)
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# https://docs.joinmastodon.org/spec/webfinger/
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jrd[:aliases] += mastodon_aliases
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jrd[:links] += mastodon_links
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end
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if Setting.remotestorage_enabled && @user.service_enabled?(:remotestorage)
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# https://datatracker.ietf.org/doc/draft-dejong-remotestorage/
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jrd[:links] << remotestorage_link
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end
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jrd
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end
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def avatar_link
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[
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{
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rel: "http://webfinger.net/rel/avatar",
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type: @user.avatar.content_type,
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href: helpers.image_url_for(@user.avatar)
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}
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]
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end
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def mastodon_aliases
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[
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"#{Setting.mastodon_public_url}/@#{@user.cn}",
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"#{Setting.mastodon_public_url}/users/#{@user.cn}"
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]
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end
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def mastodon_links
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[
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{
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rel: "http://webfinger.net/rel/profile-page",
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type: "text/html",
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href: "#{Setting.mastodon_public_url}/@#{@user.cn}"
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},
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{
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rel: "self",
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type: "application/activity+json",
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href: "#{Setting.mastodon_public_url}/users/#{@user.cn}"
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},
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{
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rel: "http://ostatus.org/schema/1.0/subscribe",
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template: "#{Setting.mastodon_public_url}/authorize_interaction?uri={uri}"
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}
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]
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end
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def remotestorage_link
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auth_url =
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if Rails.env.development?
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new_rs_oauth_url(@username)
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else
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new_rs_oauth_url(@username, host: Setting.rs_accounts_domain)
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end
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storage_url = "#{remotestorage_storage_base_url}/#{@username}"
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{
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rel: "http://tools.ietf.org/id/draft-dejong-remotestorage",
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href: storage_url,
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properties: {
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"http://remotestorage.io/spec/version" => "draft-dejong-remotestorage-27",
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"http://tools.ietf.org/html/rfc6749#section-4.2" => auth_url,
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"http://tools.ietf.org/html/rfc6749#section-3.1" => auth_url,
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"http://tools.ietf.org/html/rfc6749#section-3.2" => token_endpoint_url,
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"http://tools.ietf.org/html/rfc7636" => "S256",
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"http://tools.ietf.org/html/rfc6750#section-2.3" => nil, # access token via a HTTP query parameter
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"http://tools.ietf.org/html/rfc7233": "GET", # content range requests
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"http://remotestorage.io/spec/web-authoring": nil
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}
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}
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end
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def token_endpoint_url
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return rs_oauth_token_url if Rails.env.development?
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rs_oauth_token_url(host: Setting.rs_accounts_domain)
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end
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def remotestorage_storage_base_url
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return Setting.rs_storage_url unless Rails.env.development?
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uri = URI.parse(Setting.rs_storage_url)
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uri.host = request.host
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uri.to_s
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end
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end
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