From 1b433f1762f0faeb6dd163e47c6344b300bb0657 Mon Sep 17 00:00:00 2001
From: Matthew Scragg <scragg@gmail.com>
Date: Wed, 10 Sep 2014 13:58:47 -0500
Subject: [PATCH] add config option to lock pages explicitly

---
 realms/config/__init__.py       |  3 +++
 realms/modules/wiki/models.py   |  3 ++-
 realms/modules/wiki/views.py    | 13 +++++++++++++
 realms/templates/wiki/edit.html |  6 +++++-
 4 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/realms/config/__init__.py b/realms/config/__init__.py
index b781a2f..6d0e059 100644
--- a/realms/config/__init__.py
+++ b/realms/config/__init__.py
@@ -42,6 +42,9 @@ WIKI_HOME = 'home'
 ALLOW_ANON = True
 LOGIN_DISABLED = ALLOW_ANON
 
+# Page names that can't be modified
+LOCKED = []
+
 ROOT_ENDPOINT = 'wiki.page'
 
 try:
diff --git a/realms/modules/wiki/models.py b/realms/modules/wiki/models.py
index f72de1a..96000a9 100644
--- a/realms/modules/wiki/models.py
+++ b/realms/modules/wiki/models.py
@@ -86,6 +86,8 @@ class Wiki():
             if m.group(1):
                 return "```" + unescape(m.group(1)) + "```"
 
+        cname = to_canonical(name)
+
         # prevents p tag from being added, we remove this later
         content = '<div>' + content + '</div>'
         content = re.sub(r"```(.*?)```", escape_repl, content, flags=re.DOTALL)
@@ -115,7 +117,6 @@ class Wiki():
 
         content = re.sub(r"```(.*?)```", unescape_repl, content, flags=re.DOTALL)
 
-        cname = to_canonical(name)
         filename = self.cname_to_filename(cname)
         with open(self.path + "/" + filename, 'w') as f:
             f.write(content)
diff --git a/realms/modules/wiki/views.py b/realms/modules/wiki/views.py
index a665171..7cb478f 100644
--- a/realms/modules/wiki/views.py
+++ b/realms/modules/wiki/views.py
@@ -51,6 +51,10 @@ def edit(name):
     cname = to_canonical(name)
     if request.method == 'POST':
         edit_cname = to_canonical(request.form['name'])
+
+        if edit_cname in config.LOCKED:
+            return redirect(url_for(config.ROOT_ENDPOINT))
+
         if edit_cname.lower() != cname.lower():
             wiki.rename_page(cname, edit_cname)
 
@@ -61,6 +65,7 @@ def edit(name):
     else:
         if data:
             name = remove_ext(data['name'])
+
             content = data.get('data')
             g.assets['js'].append('editor.js')
             return render_template('wiki/edit.html', name=name, content=content, partials=data.get('partials'))
@@ -79,6 +84,14 @@ def delete(name):
 @login_required
 def create(name):
     if request.method == 'POST':
+        cname = to_canonical(request.form['name'])
+
+        if cname in config.LOCKED:
+            return redirect(url_for("wiki.create"))
+
+        if not cname:
+            return redirect(url_for("wiki.create"))
+
         wiki.write_page(request.form['name'],
                         request.form['content'],
                         message=request.form['message'],
diff --git a/realms/templates/wiki/edit.html b/realms/templates/wiki/edit.html
index 0559e2b..2dba153 100644
--- a/realms/templates/wiki/edit.html
+++ b/realms/templates/wiki/edit.html
@@ -89,7 +89,11 @@
             <li><a tabindex="-1" href="#" data-value="ace/theme/twilight" >Twilight</a></li>
             <li><a tabindex="-1" href="#" data-value="ace/theme/vibrant_ink" >Vibrant Ink</a></li>
           </ul>
-          <a id="save-native" class="btn btn-primary btn-sm"><i class="icon-save"></i> Save</a>
+          {% if name in config.LOCKED %}
+            <a class="btn btn-danger btn-sm"><i class="icon-lock"></i> Locked</a>
+          {% else %}
+            <a id="save-native" class="btn btn-primary btn-sm"><i class="icon-save"></i> Save</a>
+          {% endif %}
         </div>
       </div>
     </div>