From f76c46bef038c6574f5ed4c5cb9b8a37d5036575 Mon Sep 17 00:00:00 2001
From: Tom Pusateri <pusateri@bangj.com>
Date: Sat, 20 Jul 2019 18:58:34 +0000
Subject: [PATCH] Partially addresses issue #1926 still displaying markdown as
 text. Fixes #2704. Commit ready for merge.  - Legacy-Id: 16557

---
 ietf/doc/views_doc.py                              |  3 +++
 ietf/meeting/forms.py                              |  2 +-
 ietf/settings.py                                   | 10 ++++++++--
 ietf/templates/meeting/session_agenda_include.html |  4 ++--
 4 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/ietf/doc/views_doc.py b/ietf/doc/views_doc.py
index d10323ce5..e4adb4f03 100644
--- a/ietf/doc/views_doc.py
+++ b/ietf/doc/views_doc.py
@@ -586,6 +586,9 @@ def document_main(request, name, rev=None):
             if extension == ".txt":
                 content = doc.text_or_error()      # pyflakes:ignore
                 t = "plain text"
+            elif extension == ".md":
+                content = doc.text_or_error()      # pyflakes:ignore
+                t = "markdown"
             other_types.append((t, url))
 
         return render(request, "doc/document_material.html",
diff --git a/ietf/meeting/forms.py b/ietf/meeting/forms.py
index 8cea55790..e953bab2a 100644
--- a/ietf/meeting/forms.py
+++ b/ietf/meeting/forms.py
@@ -342,7 +342,7 @@ class FileUploadForm(forms.Form):
             self.file_encoding = {}
         self.file_encoding[file.name] = encoding.replace('charset=','') if encoding else None
         if self.mime_types:
-            if mime_type != file.content_type:
+            if mime_type != file.content_type and not file.content_type in settings.MEETING_VALID_MAGIC_MIME_TYPES[mime_type]:
                 raise ValidationError('Upload Content-Type (%s) is different from the observed mime-type (%s)' % (file.content_type, mime_type))
             if mime_type in settings.MEETING_VALID_MIME_TYPE_EXTENSIONS:
                 if not ext in settings.MEETING_VALID_MIME_TYPE_EXTENSIONS[mime_type]:
diff --git a/ietf/settings.py b/ietf/settings.py
index 6b593c4d0..5a9c1d718 100644
--- a/ietf/settings.py
+++ b/ietf/settings.py
@@ -814,18 +814,24 @@ MEETING_VALID_UPLOAD_EXTENSIONS = {
 }
     
 MEETING_VALID_UPLOAD_MIME_TYPES = {
-    'agenda':       ['text/plain', 'text/html', ],
-    'minutes':      ['text/plain', 'text/html', 'application/pdf', ],
+    'agenda':       ['text/plain', 'text/html', 'text/markdown', ],
+    'minutes':      ['text/plain', 'text/html', 'application/pdf', 'text/markdown', ],
     'slides':       [],
     'bluesheets':   ['application/pdf', 'text/plain', ],
 }
 
 MEETING_VALID_MIME_TYPE_EXTENSIONS = {
     'text/plain':   ['.txt', '.md', ],
+    'text/markdown': ['.txt', '.md', ],
     'text/html':    ['.html', '.htm'],
     'application/pdf': ['.pdf'],
 }
 
+MEETING_VALID_MAGIC_MIME_TYPES = {
+    'text/plain':   ['text/plain', 'text/markdown', ],
+    'text/html':    ['text/html', ],
+    'application/pdf': ['application/pdf', ],
+}
 
 INTERNET_DRAFT_DAYS_TO_EXPIRE = 185
 
diff --git a/ietf/templates/meeting/session_agenda_include.html b/ietf/templates/meeting/session_agenda_include.html
index 72cf127c4..5165efa8a 100644
--- a/ietf/templates/meeting/session_agenda_include.html
+++ b/ietf/templates/meeting/session_agenda_include.html
@@ -16,7 +16,7 @@
                 <div class="modal-body">
                   {% with item.session.agenda as agenda %}
                     {% if agenda %}
-                      {% if agenda.file_extension == "txt" or agenda.file_extension == "html" or agenda.file_extension == "htm" %}
+                      {% if agenda.file_extension == "txt" or agenda.file_extension == "md" or agenda.file_extension == "html" or agenda.file_extension == "htm" %}
                         <h4>Agenda</h4>
                         <div class="frame" data-src="{{agenda.href}}"></div>
                       {% else %}
@@ -41,7 +41,7 @@
 
                   {% with item.session.minutes as minutes %}
                     {% if minutes %}
-                      {% if minutes.file_extension == "txt" or minutes.file_extension == "html" or minutes.file_extension == "htm" %}
+                      {% if minutes.file_extension == "txt" or minutes.file_extension == "md" or minutes.file_extension == "html" or minutes.file_extension == "htm" %}
                         <h4>Minutes</h4>
                         <div class="frame2" data-src="{{minutes.href}}"></div>
                       {% else %}