From a7cc9013ba0ba9487ff3ee6d5c30b7e3f92a7667 Mon Sep 17 00:00:00 2001
From: Doug Hoyte <doug@hcsw.org>
Date: Fri, 8 Sep 2023 08:29:40 -0400
Subject: [PATCH] wip

---
 src/apps/web/TODO                     | 27 ++++++--------
 src/apps/web/WebData.h                | 52 +++++++++++++++++++++++----
 src/apps/web/tmpls/user/metadata.tmpl |  4 +--
 3 files changed, 59 insertions(+), 24 deletions(-)

diff --git a/src/apps/web/TODO b/src/apps/web/TODO
index 0c0fb9e..98f7541 100644
--- a/src/apps/web/TODO
+++ b/src/apps/web/TODO
@@ -1,27 +1,22 @@
-build
-  ! move static/Makefile rules into main system
-  ! bundle static files in strfry binary
-
 read
-  ! caching
-  ! non-500 error pages when bech32 fails to parse, for example
-  ! search field: enter anything, pubkey (hex or npub), eventId, etc. maybe even full-text search?
-  ! rss
-  ! click on up/down vote counts to see who voted
-  ? pagination on user comments screen, communities
+  ! pagination on user comments screen, communities?
+  * caching
+  * non-500 error pages when bech32 fails to parse, for example
+  * search field: enter anything, pubkey (hex or npub), eventId, etc. maybe even full-text search?
+  * rss
+  * click on up/down vote counts to see who voted
 
 styling
-  ! make URLs in user profiles clickable
-  ! make nostr:note1... refs clickable
-  ! mobile
-  ! favicon
+  ! test a bit on mobile
   ! make login/upvote/etc buttons do something when not logged in/no nostr plugin installed
+  ? limit name length: http://localhost:8080/u/npub1e44hczvjqvnp5shx9tmapmw5w6q9x98wdrd2lxhmwfsdmuf5gp9qwvpk6g
   ? smarter truncation/abbrev (try to cut at a sentence, or word boundary, don't cut URLs)
   ? abbrev comments should be smaller? non-pre tag?
-  ! limit name length: http://localhost:8080/u/npub1e44hczvjqvnp5shx9tmapmw5w6q9x98wdrd2lxhmwfsdmuf5gp9qwvpk6g
 
 misc
-  nip-05 checkmarks
+  ! nginx/systemd/deb deploy stuff
+  ! docs
+  * nip-05 checkmarks
 
 write
   ? edit profile (or maybe just send them to https://metadata.nostr.com/)
diff --git a/src/apps/web/WebData.h b/src/apps/web/WebData.h
index 2f7d43a..da4b317 100644
--- a/src/apps/web/WebData.h
+++ b/src/apps/web/WebData.h
@@ -14,6 +14,37 @@
 std::string stripUrls(std::string &content);
 
 
+inline void preprocessMetaFieldContent(std::string &content) {
+    static RE2 matcher(R"((?is)(.*?)(https?://\S+))");
+
+    std::string output;
+
+    std::string_view contentSv(content);
+    re2::StringPiece input(contentSv);
+    re2::StringPiece prefix, match;
+
+    auto sv = [](re2::StringPiece s){ return std::string_view(s.data(), s.size()); };
+    auto appendLink = [&](std::string_view url, std::string_view text){
+        output += "<a href=\"";
+        output += url;
+        output += "\">";
+        output += text;
+        output += "</a>";
+    };
+
+    while (RE2::Consume(&input, matcher, &prefix, &match)) {
+        output += sv(prefix);
+
+        if (match.starts_with("http")) {
+            appendLink(sv(match), sv(match));
+        }
+    }
+
+    if (output.size()) {
+        output += std::string_view(input.data(), input.size());
+        std::swap(output, content);
+    }
+}
 
 
 struct User {
@@ -83,9 +114,15 @@ struct User {
     }
 
     std::string getMeta(std::string_view field) const {
+        std::string output;
+
         if (!kind0Json) throw herr("can't getMeta because user doesn't have kind 0");
-        if (kind0Json->get_object().contains(field) && kind0Json->at(field).is_string()) return kind0Json->at(field).get_string();
-        return "";
+        if (kind0Json->get_object().contains(field) && kind0Json->at(field).is_string()) output = kind0Json->at(field).get_string();
+
+        output = templarInternal::htmlEscape(output, false);
+        preprocessMetaFieldContent(output);
+
+        return output;
     }
 
     void populateContactList(lmdb::txn &txn, Decompressor &decomp) {
@@ -274,9 +311,8 @@ struct Event {
 };
 
 
-
-inline void preprocessContent(lmdb::txn &txn, Decompressor &decomp, const Event &ev, UserCache &userCache, std::string &content) {
-    static RE2 matcher(R"((?is)(.*?)(https?://\S+|#\[\d+\]))");
+inline void preprocessEventContent(lmdb::txn &txn, Decompressor &decomp, const Event &ev, UserCache &userCache, std::string &content) {
+    static RE2 matcher(R"((?is)(.*?)(https?://\S+|#\[\d+\]|nostr:note1\w+))");
 
     std::string output;
 
@@ -298,6 +334,10 @@ inline void preprocessContent(lmdb::txn &txn, Decompressor &decomp, const Event
 
         if (match.starts_with("http")) {
             appendLink(sv(match), sv(match));
+        } else if (match.starts_with("nostr:note1")) {
+            std::string path = "/e/";
+            path += sv(match).substr(6);
+            appendLink(path, sv(match));
         } else if (match.starts_with("#[")) {
             bool didTransform = false;
             auto offset = std::stoull(std::string(sv(match)).substr(2, match.size() - 3));
@@ -483,7 +523,7 @@ struct EventThread {
                     ctx.content = elem.summaryHtml();
                 } else {
                     ctx.content = templarInternal::htmlEscape(elem.json.at("content").get_string(), false);
-                    preprocessContent(txn, decomp, elem, userCache, ctx.content);
+                    preprocessEventContent(txn, decomp, elem, userCache, ctx.content);
                 }
 
                 ctx.ev = &elem;
diff --git a/src/apps/web/tmpls/user/metadata.tmpl b/src/apps/web/tmpls/user/metadata.tmpl
index 1be2449..2511f57 100644
--- a/src/apps/web/tmpls/user/metadata.tmpl
+++ b/src/apps/web/tmpls/user/metadata.tmpl
@@ -11,13 +11,13 @@
 
         <tr>
             <th>$(field)</th>
-            <td>$(ctx.getMeta(field))</td>
+            <td>$!(ctx.getMeta(field))</td>
         </tr> @(const auto &field : { "name", "about" })
 
         <>
             <tr>
                 <th>$(field)</th>
-                <td>$(ctx.getMeta(field))</td>
+                <td>$!(ctx.getMeta(field))</td>
             </tr> ?(field != "name" && field != "about")
         </> @(const auto &[field, v] : ctx.kind0Json->get_object())