From 0252dfa512a91395de2e3a2b62ec2d02667f96d9 Mon Sep 17 00:00:00 2001
From: Jeff Becker <jeff@i2p.rocks>
Date: Sat, 2 Mar 2019 11:10:05 -0500
Subject: [PATCH] add option to fetch referenced uri

---
 .../backends/srndv2/src/srnd/frontend_http.go | 37 ++++++++++---------
 contrib/backends/srndv2/src/srnd/model_mem.go |  7 +++-
 contrib/templates/placebo/post.mustache       | 22 +++++++++++
 contrib/templates/placebo/thread.mustache     |  8 ++--
 4 files changed, 51 insertions(+), 23 deletions(-)

diff --git a/contrib/backends/srndv2/src/srnd/frontend_http.go b/contrib/backends/srndv2/src/srnd/frontend_http.go
index b9a4a7e..5ef20f7 100644
--- a/contrib/backends/srndv2/src/srnd/frontend_http.go
+++ b/contrib/backends/srndv2/src/srnd/frontend_http.go
@@ -1062,27 +1062,30 @@ func (self httpFrontend) handle_authed_api(wr http.ResponseWriter, r *http.Reque
 func (self *httpFrontend) handle_api_find(wr http.ResponseWriter, r *http.Request) {
 	q := r.URL.Query()
 	h := q.Get("hash")
+	msgid := q.Get("id")
 	if len(h) > 0 {
-		msgid := q.Get("id")
-		if len(h) > 0 {
-			e, err := self.daemon.database.GetMessageIDByHash(h)
-			if err == nil {
-				msgid = e.MessageID()
-			}
+		e, err := self.daemon.database.GetMessageIDByHash(h)
+		if err == nil {
+			msgid = e.MessageID()
 		}
-		if len(msgid) > 0 {
-			// found it (probaly)
-			model := self.daemon.database.GetPostModel(self.prefix, msgid)
-			if model == nil {
-				// no model
+	}
+
+	if !ValidMessageID(msgid) {
+		msgid = ""
+	}
+
+	if len(msgid) > 0 {
+		self.daemon.store.GetMessage(msgid, func(nntp NNTPMessage) {
+			if nntp == nil {
 				wr.WriteHeader(404)
-			} else {
-				// we found it
-				wr.Header().Add("Content-Type", "text/json; encoding=UTF-8")
-				json.NewEncoder(wr).Encode([]PostModel{model})
+				return
 			}
-			return
-		}
+			model := PostModelFromMessage(self.prefix, nntp)
+			// we found it
+			wr.Header().Add("Content-Type", "text/json; encoding=UTF-8")
+			json.NewEncoder(wr).Encode([]PostModel{model})
+		})
+		return
 	}
 	s := q.Get("text")
 	g := q.Get("group")
diff --git a/contrib/backends/srndv2/src/srnd/model_mem.go b/contrib/backends/srndv2/src/srnd/model_mem.go
index b31b4d5..d4323d9 100644
--- a/contrib/backends/srndv2/src/srnd/model_mem.go
+++ b/contrib/backends/srndv2/src/srnd/model_mem.go
@@ -295,6 +295,7 @@ type post struct {
 	Type              string
 	nntp_id           int
 	FrontendPublicKey string
+	ReferencedURI     string
 }
 
 func (p *post) IsCtl() bool {
@@ -411,7 +412,7 @@ func (self *attachment) Filename() string {
 	return self.Name
 }
 
-func PostModelFromMessage(parent, prefix string, nntp NNTPMessage) PostModel {
+func PostModelFromMessage(prefix string, nntp NNTPMessage) PostModel {
 	p := new(post)
 	p.PostName = nntp.Name()
 	p.PostSubject = nntp.Subject()
@@ -422,10 +423,11 @@ func PostModelFromMessage(parent, prefix string, nntp NNTPMessage) PostModel {
 	p.Posted = nntp.Posted()
 	p.op = nntp.OP()
 	p.prefix = prefix
-	p.Parent = parent
+	p.Parent = nntp.Reference()
 	p.addr = nntp.Addr()
 	p.sage = nntp.Sage()
 	p.Key = nntp.Pubkey()
+	p.ReferencedURI = nntp.Headers().Get("X-Referenced-Uri", "")
 	p.FrontendPublicKey = nntp.FrontendPubkey()
 	for _, att := range nntp.Attachments() {
 		p.Files = append(p.Files, att.ToModel(prefix))
@@ -627,6 +629,7 @@ func (self *post) Truncate() PostModel {
 		// TODO: copy?
 		Files:             self.Files,
 		FrontendPublicKey: self.FrontendPublicKey,
+		ReferencedURI:     self.ReferencedURI,
 	}
 }
 
diff --git a/contrib/templates/placebo/post.mustache b/contrib/templates/placebo/post.mustache
index fa6066b..1145e59 100644
--- a/contrib/templates/placebo/post.mustache
+++ b/contrib/templates/placebo/post.mustache
@@ -42,5 +42,27 @@
     </span>
     <br /><br />
     <span id="post_body_{{post.PostHash}}" class="message_span">{{{post.RenderBody}}}</span>
+    {{#post.OP}}
+    <script type="text/javascript">
+      var j = fetch("/api/find?id={{post.MessageID}}").then(function(resp) {
+          return resp.json();
+      }).catch(function(resp) {
+          return [];
+      });
+      if (j.legnth) {
+         var e = document.getElementById("post_body_{{post.PostHash}}");
+         if(e) {
+             var link = document.createElement("a");
+             var u = new URL(j[0].ReferencedURI);
+             if(u.protocol === "https" || u.protocol === "http") {
+                 link.href = u.toString();
+                 link.innerText = "[Link]";
+                 e.appendChild(txt);
+             }
+         }
+      } 
+    </script>
+    {{/post.OP}}
     <br style="clear: both;" />
+    
 </div>
diff --git a/contrib/templates/placebo/thread.mustache b/contrib/templates/placebo/thread.mustache
index 5b5329e..5f4d118 100644
--- a/contrib/templates/placebo/thread.mustache
+++ b/contrib/templates/placebo/thread.mustache
@@ -57,10 +57,10 @@
             {{^thread.BumpLock}}
             <div class="thread" id="thread_{{thread.OP.PostHash}}">
             {{/thread.BumpLock}}
-                {{{thread.OP.RenderPost}}}
-                {{#thread.Replies}}
-                    {{{RenderPost}}}
-                {{/thread.Replies}}
+            {{{thread.OP.RenderPost}}}
+            {{#thread.Replies}}
+                {{{RenderPost}}}
+            {{/thread.Replies}}
             </div>
             <hr style="clear: both;">
         <footer>