Page MenuHomePhorge
Files F85826327

No OneTemporary
Actions

Authored By
Unknown
Size
8 KB
Referenced Files
None
Subscribers
None

View Options

diff --git a/lib/pleroma/web/web_finger/web_finger.ex b/lib/pleroma/web/web_finger/web_finger.ex
index 9c6f1cb68..0b417479d 100644
--- a/lib/pleroma/web/web_finger/web_finger.ex
+++ b/lib/pleroma/web/web_finger/web_finger.ex
@@ -1,281 +1,281 @@
defmodule Pleroma.Web.WebFinger do
@httpoison Application.get_env(:pleroma, :httpoison)
alias Pleroma.{User, XmlBuilder}
alias Pleroma.Web
alias Pleroma.Web.{XML, Salmon, OStatus}
require Jason
require Logger
def host_meta do
base_url = Web.base_url()
{
:XRD,
%{xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0"},
{
:Link,
%{
rel: "lrdd",
type: "application/xrd+xml",
template: "#{base_url}/.well-known/webfinger?resource={uri}"
}
}
}
|> XmlBuilder.to_doc()
end
def webfinger(resource, "JSON") do
host = Pleroma.Web.Endpoint.host()
regex = ~r/(acct:)?(?<username>\w+)@#{host}/
with %{"username" => username} <- Regex.named_captures(regex, resource) do
user = User.get_by_nickname(username)
{:ok, represent_user(user, "JSON")}
else
_e ->
with user when not is_nil(user) <- User.get_cached_by_ap_id(resource) do
{:ok, represent_user(user, "JSON")}
else
_e ->
{:error, "Couldn't find user"}
end
end
end
def webfinger(resource, "XML") do
host = Pleroma.Web.Endpoint.host()
regex = ~r/(acct:)?(?<username>\w+)@#{host}/
with %{"username" => username} <- Regex.named_captures(regex, resource) do
user = User.get_by_nickname(username)
{:ok, represent_user(user, "XML")}
else
_e ->
with user when not is_nil(user) <- User.get_cached_by_ap_id(resource) do
{:ok, represent_user(user, "XML")}
else
_e ->
{:error, "Couldn't find user"}
end
end
end
def represent_user(user, "JSON") do
{:ok, user} = ensure_keys_present(user)
{:ok, _private, public} = Salmon.keys_from_pem(user.info["keys"])
magic_key = Salmon.encode_key(public)
%{
"subject" => "acct:#{user.nickname}@#{Pleroma.Web.Endpoint.host()}",
"aliases" => [user.ap_id],
"links" => [
%{
"rel" => "http://schemas.google.com/g/2010#updates-from",
"type" => "application/atom+xml",
"href" => OStatus.feed_path(user)
},
%{
"rel" => "http://webfinger.net/rel/profile-page",
"type" => "text/html",
"href" => user.ap_id
},
%{"rel" => "salmon", "href" => OStatus.salmon_path(user)},
%{
"rel" => "magic-public-key",
"href" => "data:application/magic-public-key,#{magic_key}"
},
%{"rel" => "self", "type" => "application/activity+json", "href" => user.ap_id},
%{
"rel" => "self",
"type" => "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"",
"href" => user.ap_id
},
%{
"rel" => "http://ostatus.org/schema/1.0/subscribe",
"template" => OStatus.remote_follow_path()
}
]
}
end
def represent_user(user, "XML") do
{:ok, user} = ensure_keys_present(user)
{:ok, _private, public} = Salmon.keys_from_pem(user.info["keys"])
magic_key = Salmon.encode_key(public)
{
:XRD,
%{xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0"},
[
{:Subject, "acct:#{user.nickname}@#{Pleroma.Web.Endpoint.host()}"},
{:Alias, user.ap_id},
{:Link,
%{
rel: "http://schemas.google.com/g/2010#updates-from",
type: "application/atom+xml",
href: OStatus.feed_path(user)
}},
{:Link,
%{rel: "http://webfinger.net/rel/profile-page", type: "text/html", href: user.ap_id}},
{:Link, %{rel: "salmon", href: OStatus.salmon_path(user)}},
{:Link,
%{rel: "magic-public-key", href: "data:application/magic-public-key,#{magic_key}"}},
{:Link, %{rel: "self", type: "application/activity+json", href: user.ap_id}},
{:Link,
%{rel: "http://ostatus.org/schema/1.0/subscribe", template: OStatus.remote_follow_path()}}
]
}
|> XmlBuilder.to_doc()
end
# This seems a better fit in Salmon
def ensure_keys_present(user) do
info = user.info || %{}
if info["keys"] do
{:ok, user}
else
{:ok, pem} = Salmon.generate_rsa_pem()
info = Map.put(info, "keys", pem)
Ecto.Changeset.change(user, info: info)
|> User.update_and_set_cache()
end
end
defp webfinger_from_xml(doc) do
magic_key = XML.string_from_xpath(~s{//Link[@rel="magic-public-key"]/@href}, doc)
"data:application/magic-public-key," <> magic_key = magic_key
topic =
XML.string_from_xpath(
~s{//Link[@rel="http://schemas.google.com/g/2010#updates-from"]/@href},
doc
)
subject = XML.string_from_xpath("//Subject", doc)
salmon = XML.string_from_xpath(~s{//Link[@rel="salmon"]/@href}, doc)
subscribe_address =
XML.string_from_xpath(
~s{//Link[@rel="http://ostatus.org/schema/1.0/subscribe"]/@template},
doc
)
ap_id =
XML.string_from_xpath(
~s{//Link[@rel="self" and @type="application/activity+json"]/@href},
doc
)
data = %{
"magic_key" => magic_key,
"topic" => topic,
"subject" => subject,
"salmon" => salmon,
"subscribe_address" => subscribe_address,
"ap_id" => ap_id
}
{:ok, data}
end
defp webfinger_from_json(doc) do
data =
Enum.reduce(doc["links"], %{"subject" => doc["subject"]}, fn link, data ->
case {link["type"], link["rel"]} do
{"application/activity+json", "self"} ->
Map.put(data, "ap_id", link["href"])
{"application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"", "self"} ->
Map.put(data, "ap_id", link["href"])
{_, "magic-public-key"} ->
"data:application/magic-public-key," <> magic_key = link["href"]
Map.put(data, "magic_key", magic_key)
{"application/atom+xml", "http://schemas.google.com/g/2010#updates-from"} ->
Map.put(data, "topic", link["href"])
{_, "salmon"} ->
Map.put(data, "salmon", link["href"])
{_, "http://ostatus.org/schema/1.0/subscribe"} ->
Map.put(data, "subscribe_address", link["template"])
_ ->
Logger.debug("Unhandled type: #{inspect(link["type"])}")
data
end
end)
{:ok, data}
end
def get_template_from_xml(body) do
xpath = "//Link[@rel='lrdd']/@template"
with doc when doc != :error <- XML.parse_document(body),
template when template != nil <- XML.string_from_xpath(xpath, doc) do
{:ok, template}
end
end
def find_lrdd_template(domain) do
with {:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <-
@httpoison.get("http://#{domain}/.well-known/host-meta", [], follow_redirect: true) do
get_template_from_xml(body)
else
_ ->
with {:ok, %{body: body}} <- @httpoison.get("https://#{domain}/.well-known/host-meta", []) do
get_template_from_xml(body)
else
e -> {:error, "Can't find LRDD template: #{inspect(e)}"}
end
end
end
def finger(account) do
account = String.trim_leading(account, "@")
domain =
with [_name, domain] <- String.split(account, "@") do
domain
else
_e ->
URI.parse(account).host
end
address =
case find_lrdd_template(domain) do
{:ok, template} ->
String.replace(template, "{uri}", URI.encode(account))
_ ->
- "http://#{domain}/.well-known/webfinger?resource=acct:#{account}"
+ "https://#{domain}/.well-known/webfinger?resource=acct:#{account}"
end
with response <-
@httpoison.get(
address,
[Accept: "application/xrd+xml,application/jrd+json"],
follow_redirect: true
),
{:ok, %{status_code: status_code, body: body}} when status_code in 200..299 <- response do
doc = XML.parse_document(body)
if doc != :error do
webfinger_from_xml(doc)
else
{:ok, doc} = Jason.decode(body)
webfinger_from_json(doc)
end
else
e ->
Logger.debug(fn -> "Couldn't finger #{account}" end)
Logger.debug(fn -> inspect(e) end)
{:error, e}
end
end
end

File Metadata

Mime Type
text/x-diff
Expires
Fri, Oct 30, 6:30 AM (19 h, 15 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1799678
Default Alt Text
(8 KB)

Event Timeline