From f32d31464a24c977013326926c3fe26f10c85047 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@libreserver.org>
Date: Sun, 10 Jul 2022 18:36:37 +0100
Subject: [PATCH] Receiving POST from lynx

---
 daemon.py | 73 ++++++++++++++++++++++++++++++-------------------------
 1 file changed, 40 insertions(+), 33 deletions(-)

diff --git a/daemon.py b/daemon.py
index dd82f995c..60cfe2562 100644
--- a/daemon.py
+++ b/daemon.py
@@ -4918,25 +4918,27 @@ class PubServer(BaseHTTPRequestHandler):
         users_path = users_path.split('/tags/')[0]
         actor_str = self._get_instance_url(calling_domain) + users_path
         tag_screen_str = actor_str + '/tags/' + hashtag
+        boundary = None
         if ' boundary=' in self.headers['Content-type']:
             boundary = self.headers['Content-type'].split('boundary=')[1]
             if ';' in boundary:
                 boundary = boundary.split(';')[0]
 
-            # get the nickname
-            nickname = get_nickname_from_actor(actor_str)
-            editor = None
-            if nickname:
-                editor = is_editor(base_dir, nickname)
-            if not hashtag or not editor:
-                if not nickname:
-                    print('WARN: nickname not found in ' + actor_str)
-                else:
-                    print('WARN: nickname is not a moderator' + actor_str)
-                self._redirect_headers(tag_screen_str, cookie, calling_domain)
-                self.server.postreq_busy = False
-                return
+        # get the nickname
+        nickname = get_nickname_from_actor(actor_str)
+        editor = None
+        if nickname:
+            editor = is_editor(base_dir, nickname)
+        if not hashtag or not editor:
+            if not nickname:
+                print('WARN: nickname not found in ' + actor_str)
+            else:
+                print('WARN: nickname is not a moderator' + actor_str)
+            self._redirect_headers(tag_screen_str, cookie, calling_domain)
+            self.server.postreq_busy = False
+            return
 
+        if self.headers.get('Content-length'):
             length = int(self.headers['Content-length'])
 
             # check that the POST isn't too large
@@ -4946,27 +4948,32 @@ class PubServer(BaseHTTPRequestHandler):
                 self.server.postreq_busy = False
                 return
 
-            try:
-                # read the bytes of the http form POST
-                post_bytes = self.rfile.read(length)
-            except SocketError as ex:
-                if ex.errno == errno.ECONNRESET:
-                    print('EX: connection was reset while ' +
-                          'reading bytes from http form POST')
-                else:
-                    print('EX: error while reading bytes ' +
-                          'from http form POST')
-                self.send_response(400)
-                self.end_headers()
-                self.server.postreq_busy = False
-                return
-            except ValueError as ex:
-                print('EX: failed to read bytes for POST, ' + str(ex))
-                self.send_response(400)
-                self.end_headers()
-                self.server.postreq_busy = False
-                return
+        try:
+            # read the bytes of the http form POST
+            post_bytes = self.rfile.read(length)
+        except SocketError as ex:
+            if ex.errno == errno.ECONNRESET:
+                print('EX: connection was reset while ' +
+                      'reading bytes from http form POST')
+            else:
+                print('EX: error while reading bytes ' +
+                      'from http form POST')
+            self.send_response(400)
+            self.end_headers()
+            self.server.postreq_busy = False
+            return
+        except ValueError as ex:
+            print('EX: failed to read bytes for POST, ' + str(ex))
+            self.send_response(400)
+            self.end_headers()
+            self.server.postreq_busy = False
+            return
 
+        if not boundary:
+            if b'--LYNX' in post_bytes:
+                boundary = '--LYNX'
+
+        if boundary:
             # extract all of the text fields into a dict
             fields = \
                 extract_text_fields_in_post(post_bytes, boundary, debug)