webhooks: parse JSON request bodies

src/syndesizer/webhooks.nim

@@ -3,9 +3,9 @@
 
 ## An actor for relaying Webhooks.
 
-import std/[asyncdispatch, asynchttpserver, net, sets, strutils, tables, uri]
+import std/[asyncdispatch, asynchttpserver, json, net, sets, strutils, tables, uri]
 
-import preserves
+import preserves, preserves/jsonhooks
 import syndicate, syndicate/[bags, relays]
 import syndicate/protocols/[http, transportAddress]
 
@@ -31,12 +31,17 @@ proc toRecord(req: Request; seqnum: BiggestInt; path: seq[string]): HttpRequest
   for key, val in decodeQuery(req.url.query):
     result.query[Symbol key] =
       @[QueryValue(orKind: QueryValueKind.string, string: val)]
-  if req.body == "":
-    result.body = RequestBody(orKind: RequestBodyKind.absent)
-  else:
-    result.body = RequestBody(
-        orKind: RequestBodyKind.present,
-        present: cast[seq[byte]](req.body))
+  let contentType = req.headers.getOrDefault("content-type")
+  if req.body.len > 0:
+    result.body = RequestBody(orKind: RequestBodyKind.present)
+    case contentType.toString
+    of "application/json":
+      var js = parseJson req.body
+      result.body.present = js.toPreserve
+    of "application/octet-stream":
+      result.body.present = cast[seq[byte]](req.body).toPreserve
+    else:
+      result.body.present = req.body.toPreserve
 
 proc bootWebhookActor*(turn: var Turn; root: Cap): Actor =
   spawn("webhooks", turn) do (turn: var Turn):

syndicate_utils.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version = "20231214"
+version = "20231226"
 author        = "Emery Hemingway"
 description   = "Utilites for Syndicated Actors and Synit"
 license       = "unlicense"