From 157a1c1227e6d73db7b3f09a02aa452a7dfbc655 Mon Sep 17 00:00:00 2001
From: nekobit <nekobit@noemail.net>
Date: Wed, 5 Oct 2022 05:04:43 +0000
Subject: [PATCH] Build webfinger fake data

FossilOrigin-Name: 6891ce4a310c34f0527227a54c0fce0d1b5b85ebd282ad114579b6002843c776
---
 src/protocol/webfinger/webfinger.cpp | 54 ++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/src/protocol/webfinger/webfinger.cpp b/src/protocol/webfinger/webfinger.cpp
index c8698e6..dfa88bc 100644
--- a/src/protocol/webfinger/webfinger.cpp
+++ b/src/protocol/webfinger/webfinger.cpp
@@ -16,6 +16,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <rapidjson/document.h>
+#include <rapidjson/rapidjson.h>
+#include <rapidjson/writer.h>
+#include <rapidjson/stringbuffer.h>
 #include <utility>
 #include "http/response.h"
 #include "webfinger.h"
@@ -24,9 +28,59 @@
 
 using namespace Protocol;
 
+namespace
+{
+    struct Resource {
+        std::string href;
+        std::string rel;
+        std::string type;
+        std::string tmpl;
+    };
+    rapidjson::Value make_resource(Resource&& res, rapidjson::Document::AllocatorType& a)
+    {
+        using Value = rapidjson::Value;
+        rapidjson::Value resource(rapidjson::kObjectType);
+        // TODO make helper macro
+        if (!res.href.empty()) resource.AddMember("href", Value(res.href.c_str(), a).Move(), a);
+        if (!res.rel.empty()) resource.AddMember("rel", Value(res.rel.c_str(), a).Move(), a);
+        if (!res.type.empty()) resource.AddMember("type", Value(res.type.c_str(), a).Move(), a);
+        if (!res.tmpl.empty()) resource.AddMember("template", Value(res.tmpl.c_str(), a).Move(), a);
+        return resource;
+    }
+}
+
+// TODO a lot
 HTTP::Response Route::webfinger(std::any& args, const HTTP::RequestArgs_t& arg)
 {
+    rapidjson::Document root(rapidjson::kObjectType);
+    rapidjson::Document::AllocatorType& a = root.GetAllocator();
+    rapidjson::Value links(rapidjson::kArrayType);
+
+    // Add profile page
+    links.PushBack(make_resource({"https://localhost/users/",
+                    "http://webfinger.net/rel/profile-page",
+                    "text/html", {}}, a), a);
+
+    // Add self page
+    links.PushBack(make_resource({"https://localhost/users/",
+                    "self",
+                    "application/activity+json", {}}, a), a);
+
+    // Add activity stream
+    links.PushBack(make_resource({"https://localhost/",
+                    "http://webfinger.net/rel/profile-page",
+                    "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"", {}}, a), a);
     
+    root.AddMember("links", links.Move(), root.GetAllocator());
+
+    root.AddMember("subject", "acct:", a);
+
+    // Stringify TODO write helper!
+    rapidjson::StringBuffer buf;
+    rapidjson::Writer<rapidjson::StringBuffer> writer(buf);
+    root.Accept(writer);
+    
+    return { buf.GetString() };
 }
 
 void Webfinger::init_webfinger(HTTP::Server* server)