From c05928dbdabfafc536512341e8d64b240b097f62 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 03:55:10 -0300
Subject: [PATCH 1/8] use nodeinfo 2.1, add repository field

that is the only change from nodeinfo 2.0 to 2.1

also this makes the nodeinfo tests use 2.1.json instead of 2.0.json
---
 lib/pleroma/application.ex                      |  2 ++
 lib/pleroma/web/nodeinfo/nodeinfo_controller.ex | 15 ++++++++-------
 test/web/node_info_test.exs                     |  8 ++++----
 3 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index 40bff08c7..8b50bcf8c 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -8,9 +8,11 @@ defmodule Pleroma.Application do
 
   @name "Pleroma"
   @version Mix.Project.config()[:version]
+  @repository "https://git.pleroma.social/pleroma/pleroma"
   def name, do: @name
   def version, do: @version
   def named_version(), do: @name <> " " <> @version
+  def repository, do: @repository
 
   def user_agent() do
     info = "#{Pleroma.Web.base_url()} <#{Pleroma.Config.get([:instance, :email], "")}>"
diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index 11b97164d..de7256dda 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -17,8 +17,8 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     response = %{
       links: [
         %{
-          rel: "http://nodeinfo.diaspora.software/ns/schema/2.0",
-          href: Web.base_url() <> "/nodeinfo/2.0.json"
+          rel: "http://nodeinfo.diaspora.software/ns/schema/2.1",
+          href: Web.base_url() <> "/nodeinfo/2.1.json"
         }
       ]
     }
@@ -26,8 +26,8 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     json(conn, response)
   end
 
-  # Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.0/schema.json
-  def nodeinfo(conn, %{"version" => "2.0"}) do
+  # Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.1/schema.json
+  def nodeinfo(conn, %{"version" => "2.1"}) do
     instance = Application.get_env(:pleroma, :instance)
     media_proxy = Application.get_env(:pleroma, :media_proxy)
     suggestions = Application.get_env(:pleroma, :suggestions)
@@ -99,10 +99,11 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
       |> Enum.filter(& &1)
 
     response = %{
-      version: "2.0",
+      version: "2.1",
       software: %{
         name: Pleroma.Application.name(),
-        version: Pleroma.Application.version()
+        version: Pleroma.Application.version(),
+        repository: Pleroma.Application.repository(),
       },
       protocols: ["ostatus", "activitypub"],
       services: %{
@@ -146,7 +147,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     conn
     |> put_resp_header(
       "content-type",
-      "application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.0#; charset=utf-8"
+      "application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.1#; charset=utf-8"
     )
     |> json(response)
   end
diff --git a/test/web/node_info_test.exs b/test/web/node_info_test.exs
index 5981c70a7..360ee0baf 100644
--- a/test/web/node_info_test.exs
+++ b/test/web/node_info_test.exs
@@ -12,7 +12,7 @@ defmodule Pleroma.Web.NodeInfoTest do
 
     conn =
       conn
-      |> get("/nodeinfo/2.0.json")
+      |> get("/nodeinfo/2.1.json")
 
     assert result = json_response(conn, 200)
 
@@ -22,7 +22,7 @@ defmodule Pleroma.Web.NodeInfoTest do
   test "nodeinfo shows restricted nicknames", %{conn: conn} do
     conn =
       conn
-      |> get("/nodeinfo/2.0.json")
+      |> get("/nodeinfo/2.1.json")
 
     assert result = json_response(conn, 200)
 
@@ -42,7 +42,7 @@ defmodule Pleroma.Web.NodeInfoTest do
     |> json_response(404)
 
     conn
-    |> get("/nodeinfo/2.0.json")
+    |> get("/nodeinfo/2.1.json")
     |> json_response(404)
 
     instance =
@@ -58,7 +58,7 @@ defmodule Pleroma.Web.NodeInfoTest do
     |> json_response(200)
 
     conn
-    |> get("/nodeinfo/2.0.json")
+    |> get("/nodeinfo/2.1.json")
     |> json_response(200)
   end
 end

From b0c4c082c4d166f3f49ffce69bb86639c1a34790 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 04:02:40 -0300
Subject: [PATCH 2/8] mix format pass

---
 lib/pleroma/web/nodeinfo/nodeinfo_controller.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index de7256dda..f5974fbb9 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -103,7 +103,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
       software: %{
         name: Pleroma.Application.name(),
         version: Pleroma.Application.version(),
-        repository: Pleroma.Application.repository(),
+        repository: Pleroma.Application.repository()
       },
       protocols: ["ostatus", "activitypub"],
       services: %{

From cd6db6abe4df010905649816735d925c0538da34 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 14:11:23 -0300
Subject: [PATCH 3/8] use Mix.Project.Config for some Application functions

---
 lib/pleroma/application.ex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index 8b50bcf8c..d67e2cdc8 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -6,9 +6,9 @@ defmodule Pleroma.Application do
   use Application
   import Supervisor.Spec
 
-  @name "Pleroma"
+  @name Mix.Project.config()[:name]
   @version Mix.Project.config()[:version]
-  @repository "https://git.pleroma.social/pleroma/pleroma"
+  @repository Mix.Project.config()[:source_url]
   def name, do: @name
   def version, do: @version
   def named_version(), do: @name <> " " <> @version

From b17ce875cf3ae73423f737e46b7103116f45e7d0 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 14:23:40 -0300
Subject: [PATCH 4/8] keep compatibility with nodeinfo 2.0

splits actual nodeinfo generation into raw_nodeinfo, the 2.0 handler
gives the same result, while the 2.1 handler inserts the
software.repository field. requested by @href
---
 .../web/nodeinfo/nodeinfo_controller.ex       | 36 ++++++++++++++++---
 1 file changed, 31 insertions(+), 5 deletions(-)

diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index f5974fbb9..72b5d97ac 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -16,6 +16,10 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
   def schemas(conn, _params) do
     response = %{
       links: [
+        %{
+          rel: "http://nodeinfo.diaspora.software/ns/schema/2.0",
+          href: Web.base_url() <> "/nodeinfo/2.0.json"
+        },
         %{
           rel: "http://nodeinfo.diaspora.software/ns/schema/2.1",
           href: Web.base_url() <> "/nodeinfo/2.1.json"
@@ -26,8 +30,9 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     json(conn, response)
   end
 
-  # Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.1/schema.json
-  def nodeinfo(conn, %{"version" => "2.1"}) do
+  # returns a nodeinfo 2.0 map, since 2.1 just adds a repository field
+  # under software.
+  def raw_nodeinfo() do
     instance = Application.get_env(:pleroma, :instance)
     media_proxy = Application.get_env(:pleroma, :media_proxy)
     suggestions = Application.get_env(:pleroma, :suggestions)
@@ -98,12 +103,11 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
       ]
       |> Enum.filter(& &1)
 
-    response = %{
-      version: "2.1",
+    %{
+      version: "2.0",
       software: %{
         name: Pleroma.Application.name(),
         version: Pleroma.Application.version(),
-        repository: Pleroma.Application.repository()
       },
       protocols: ["ostatus", "activitypub"],
       services: %{
@@ -143,6 +147,28 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
         restrictedNicknames: Pleroma.Config.get([Pleroma.User, :restricted_nicknames])
       }
     }
+  end
+
+  # Schema definition: https://github.com/jhass/nodeinfo/blob/master/schemas/2.0/schema.json
+  # and https://github.com/jhass/nodeinfo/blob/master/schemas/2.1/schema.json
+  def nodeinfo(conn, %{"version" => "2.0"}) do
+    conn
+    |> put_resp_header(
+      "content-type",
+      "application/json; profile=http://nodeinfo.diaspora.software/ns/schema/2.0#; charset=utf-8"
+    )
+    |> json(raw_nodeinfo())
+  end
+
+  def nodeinfo(conn, %{"version" => "2.1"}) do
+    raw_response = raw_nodeinfo()
+
+    updated_software =
+      raw_response
+      |> Map.get(:software)
+      |> Map.put(:repository, Pleroma.Application.repository())
+
+    response = raw_response |> Map.put(:software, updated_software)
 
     conn
     |> put_resp_header(

From e8c7be38fcf416eb8676c5e586c56c15b4f88986 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 14:33:14 -0300
Subject: [PATCH 5/8] add tests for nodeinfo 2.0 compat and 2.1's new field

---
 test/web/node_info_test.exs | 45 +++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/test/web/node_info_test.exs b/test/web/node_info_test.exs
index 360ee0baf..763549bd1 100644
--- a/test/web/node_info_test.exs
+++ b/test/web/node_info_test.exs
@@ -61,4 +61,49 @@ defmodule Pleroma.Web.NodeInfoTest do
     |> get("/nodeinfo/2.1.json")
     |> json_response(200)
   end
+
+  test "returns 404 when federation is disabled (nodeinfo 2.0)", %{conn: conn} do
+    instance =
+      Application.get_env(:pleroma, :instance)
+      |> Keyword.put(:federating, false)
+
+    Application.put_env(:pleroma, :instance, instance)
+
+    conn
+    |> get("/.well-known/nodeinfo")
+    |> json_response(404)
+
+    conn
+    |> get("/nodeinfo/2.0.json")
+    |> json_response(404)
+
+    instance =
+      Application.get_env(:pleroma, :instance)
+      |> Keyword.put(:federating, true)
+
+    Application.put_env(:pleroma, :instance, instance)
+  end
+
+  test "returns 200 when federation is enabled (nodeinfo 2.0)", %{conn: conn} do
+    conn
+    |> get("/.well-known/nodeinfo")
+    |> json_response(200)
+
+    conn
+    |> get("/nodeinfo/2.0.json")
+    |> json_response(200)
+  end
+
+  test "returns software.repository field in nodeinfo 2.1", %{conn: conn} do
+    conn
+    |> get("/.well-known/nodeinfo")
+    |> json_response(200)
+
+    conn =
+      conn
+      |> get("/nodeinfo/2.1.json")
+
+    assert result = json_response(conn, 200)
+    assert Pleroma.Application.repository() == result["software"]["repository"]
+  end
 end

From 23b1c64a19ab13b152ba46e1a744cbf2efafce57 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 14:35:08 -0300
Subject: [PATCH 6/8] downcase software name in nodeinfo

---
 lib/pleroma/web/nodeinfo/nodeinfo_controller.ex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index 72b5d97ac..b1db58d0b 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -106,7 +106,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     %{
       version: "2.0",
       software: %{
-        name: Pleroma.Application.name(),
+        name: Pleroma.Application.name() |> String.downcase,
         version: Pleroma.Application.version(),
       },
       protocols: ["ostatus", "activitypub"],

From 1cdcee89daec2f0538c6ab69cd9259d6486a7f6f Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 14:40:43 -0300
Subject: [PATCH 7/8] mix format pass

---
 lib/pleroma/web/nodeinfo/nodeinfo_controller.ex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index b1db58d0b..a1a395c8f 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -106,8 +106,8 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
     %{
       version: "2.0",
       software: %{
-        name: Pleroma.Application.name() |> String.downcase,
-        version: Pleroma.Application.version(),
+        name: Pleroma.Application.name() |> String.downcase(),
+        version: Pleroma.Application.version()
       },
       protocols: ["ostatus", "activitypub"],
       services: %{

From 9cac8729afa7219d8b87e2851b855cab7a1c04b3 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Fri, 1 Feb 2019 16:03:23 -0300
Subject: [PATCH 8/8] update nodeinfo version when requesting 2.1

---
 lib/pleroma/web/nodeinfo/nodeinfo_controller.ex | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index a1a395c8f..21694a5ee 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -168,7 +168,10 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
       |> Map.get(:software)
       |> Map.put(:repository, Pleroma.Application.repository())
 
-    response = raw_response |> Map.put(:software, updated_software)
+    response =
+      raw_response
+      |> Map.put(:software, updated_software)
+      |> Map.put(:version, "2.1")
 
     conn
     |> put_resp_header(