Allow setting blob link mime-types in composer

1 files changed, 32 insertions, 3 deletions

diff --git a/lib/serve.js b/lib/serve.js
index d702ee6..810b887 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -3477,9 +3477,6 @@ Serve.prototype.composer = function (opts, cb) {
       key: data.upload.key,
     }
   }
-  if (data.blob_type && blobs[data.blob_link]) {
-    blobs[data.blob_link].type = data.blob_type
-  }
   var channel = data.channel != null ? data.channel : opts.channel
 
   var formNames = {}
@@ -3502,6 +3499,14 @@ Serve.prototype.composer = function (opts, cb) {
     }
   }
 
+  var blobIds = u.toArray(data.blob_id)
+  var blobTypes = u.toArray(data.blob_type)
+  for (var i = 0; i < blobIds.length && i < blobTypes.length; i++) {
+    var id = blobIds[i]
+    var blob = blobs[id] || (blobs[id] = {})
+    blob.type = blobTypes[i]
+  }
+
   if (data.upload) {
     var href = data.upload.link
       + (data.upload.key ? '?unbox=' + data.upload.key + '.boxs': '')
@@ -3551,6 +3556,17 @@ Serve.prototype.composer = function (opts, cb) {
       return {name: name, id: id}
     })
 
+  var blobMentions = mentions
+    .filter(function (mention) {
+      return mention
+        && typeof mention.link === 'string'
+        && mention.link[0] === '&'
+    })
+  blobMentions.forEach(function (mention) {
+    var blob = blobs[mention.link]
+    if (blob) mention.type = blob.type
+  })
+
   // strip content other than names and feed ids from the recps field
   if (data.recps) {
     data.recps = recpsToFeedIds(data.recps)
@@ -3605,6 +3621,19 @@ Serve.prototype.composer = function (opts, cb) {
             h('input', {type: 'file', name: 'emoji_upload_' + i}))
         }))
       ] : '',
+      blobMentions.length > 0 ? [
+        h('div', h('em', 'blobs:')),
+        h('ul.mentions', blobMentions.map(function (link, i) {
+          var linkHref = self.app.render.toUrl(link.link)
+          return h('li',
+            h('a', {href: linkHref}, link.name || link.link), ': ',
+            h('input', {name: 'blob_id', type: 'hidden',
+              value: link.link}),
+            h('input', {name: 'blob_type', size: 24,
+              value: link.type, placeholder: 'application/octet-stream',
+              title: 'blob mime-type'}))
+        }))
+      ] : '',
       h('table.ssb-msgs',
         h('tr.msg-row',
           h('td.msg-left', {colspan: 2},