From a73918fe22e481b5f44479740dd3d5910970bf6f Mon Sep 17 00:00:00 2001
From: cel <cel@f/6sQ6d2CMxRUhLpspgGIulDxDCwYD7DzFzPNr7u5AU=.ed25519>
Date: Wed, 1 May 2019 16:51:09 -1000
Subject: Handle boxed markdown blobs

---
 lib/app.js    | 17 +++++++++++++++++
 lib/render.js |  9 ++++++---
 lib/serve.js  |  9 +++++----
 3 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/lib/app.js b/lib/app.js
index 3803281..9da761e 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -379,6 +379,13 @@ App.prototype.addBlobPrivate = function (cb) {
 }
 
 App.prototype.getBlob = function (id, key) {
+  if (!key) {
+    var m = /^(.*)\?unbox=(.*)$/.exec(id)
+    if (m) {
+      id = m[1]
+      key = m[2]
+    }
+  }
   if (!key) return this.sbot.blobs.get(id)
   if (typeof key === 'string') key = new Buffer(key, 'base64')
   return pull(
@@ -387,6 +394,16 @@ App.prototype.getBlob = function (id, key) {
   )
 }
 
+App.prototype.getHasBlob = function (id, cb) {
+  id = id.replace(/\?unbox=.*/, '')
+  if (!this.sbot.blobs) return cb(new TypeError('missing ssb-blobs plugin'))
+  if (!this.sbot.blobs.size) return cb(new TypeError('missing blobs.size method'))
+  this.sbot.blobs.size(id, function (err, size) {
+    if (err) return cb(err)
+    cb(null, size != null)
+  })
+}
+
 App.prototype.pushBlob = function (id, cb) {
   console.error('pushing blob', id)
   this.sbot.blobs.push(id, cb)
diff --git a/lib/render.js b/lib/render.js
index 055d3d2..ec62b31 100644
--- a/lib/render.js
+++ b/lib/render.js
@@ -66,7 +66,7 @@ MdRenderer.prototype.link = function (ref, title, text) {
   var link = this.render._mentionsByLink[ref]
   if (link && link.type === 'text/x-markdown') {
     html += h('sup', ' [', h('a', {
-      href: this.render.toUrl('/markdown/' + encodeURIComponent(ref)),
+      href: this.render.toUrl('/markdown/' + ref),
       title: 'view rendered markdown'
     }, 'md'), ']').outerHTML
   }
@@ -86,7 +86,7 @@ MdRenderer.prototype.mention = function (preceding, id) {
   var link = this.render._mentionsByLink[id]
   if (link && link.type === 'text/x-markdown') {
     html += h('sup', ' [', h('a', {
-      href: this.render.toUrl('/markdown/' + encodeURIComponent(id)),
+      href: this.render.toUrl('/markdown/' + id),
       title: 'view rendered markdown'
     }, 'md'), ']').outerHTML
   }
@@ -179,7 +179,10 @@ Render.prototype.markdown = function (text, mentions) {
     else if (link.host === 'http://localhost:7777')
       mentionsObj[link.href] = link.link
     if (link.link)
-      mentionsByLink[link.link + (link.key ? '#' + link.key : '')] = link
+      mentionsByLink[link.link +
+        (link.query && typeof link.query.unbox === 'string' ?
+          '?unbox=' + link.query.unbox.replace(/\s/g, '+') : '') +
+        (link.key ? '#' + link.key : '')] = link
   })
   var out = marked(String(text), this.markedOpts)
   delete this._mentions
diff --git a/lib/serve.js b/lib/serve.js
index c2f7cca..d8be4fc 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -3028,16 +3028,17 @@ Serve.prototype.npmRegistry = function (url) {
 Serve.prototype.markdown = function (url) {
   var self = this
   var id = decodeURIComponent(url.substr(1))
-  var blobs = self.app.sbot.blobs
+  if (typeof self.query.unbox === 'string') id += '?unbox=' + self.query.unbox.replace(/\s/g, '+')
   return pull(
     ph('section', {}, [
       ph('h3', [
         ph('a', {href: '/links/' + id}, id.substr(0, 8) + '…')
       ]),
       u.readNext(function (cb) {
-        blobs.size(id, function (err, size) {
-          if (size == null) return cb(null, self.askWantBlobsForm([id]))
-          pull(blobs.get(id), pull.collect(function (err, chunks) {
+        self.app.getHasBlob(id, function (err, has) {
+          if (err) return cb(err)
+          if (!has) return cb(null, self.askWantBlobsForm([id]))
+          pull(self.app.getBlob(id), pull.collect(function (err, chunks) {
             if (err) return cb(null, ph('div', u.renderError(err).outerHTML))
             var text = Buffer.concat(chunks).toString()
             cb(null, ph('blockquote', self.app.render.markdown(text)))
-- 
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