Added optional gravatar support

docs/docs/configuration/client.rst

@@ -106,6 +106,14 @@ scheme is based in `this color palette <http://colrd.com/palette/19308/>`_.
 Multiple colors must be separated by space. If you use less than eight colors
 and not a multiple of 2, the color distribution is not even.
 
+data-isso-gravatar
+------------------
+
+Uses gravatar images instead of generating svg images. You have to set 
+"data-isso-avatar" to **false** when you want to use this. Otherwise
+both the gravatar and avatar svg image will show up. Please also set
+option "gravatar" to **true** in the server configuration...
+
 data-isso-vote
 --------------
 

docs/docs/configuration/server.rst

@@ -91,6 +91,18 @@ notify
 log-file
     Log console messages to file instead of standard out.
 
+gravatar
+    When set to ``true`` this will add the property "gravatar_image"
+    containing the link to a gravatar image to every comment. If a comment
+    does not contain an email address, gravatar will render a random icon.
+    This is only true when using the default value for "gravatar-url"
+    which contains the query string param ``d=identicon`` ...
+
+gravatar-url
+    Url for gravatar images. The "{}" is where the email hash will be placed.
+    Defaults to "https://www.gravatar.com/avatar/{}?d=identicon"
+
+
 
 .. _CORS: https://developer.mozilla.org/en/docs/HTTP/Access_control_CORS
 

isso/js/app/config.js

@@ -10,6 +10,7 @@ define(function() {
         "max-comments-top": "inf",
         "max-comments-nested": 5,
         "reveal-on-click": 5,
+        "gravatar": false,
         "avatar": true,
         "avatar-bg": "#f0f0f0",
         "avatar-fg": ["#9abf88", "#5698c4", "#e279a3", "#9163b6",

isso/js/app/isso.js

@@ -228,7 +228,7 @@ define(["app/dom", "app/utils", "app/config", "app/api", "app/jade", "app/i18n",
         $("a.edit", footer).toggle("click",
             function(toggler) {
                 var edit = $("a.edit", footer);
-                var avatar = config["avatar"] ? $(".avatar", el, false)[0] : null;
+                var avatar = config["avatar"] || config["gravatar"] ? $(".avatar", el, false)[0] : null;
 
                 edit.textContent = i18n.translate("comment-save");
                 edit.insertAfter($.new("a.cancel", i18n.translate("comment-cancel"))).on("click", function() {
@@ -256,7 +256,7 @@ define(["app/dom", "app/utils", "app/config", "app/api", "app/jade", "app/i18n",
             },
             function(toggler) {
                 var textarea = $(".textarea", text);
-                var avatar = config["avatar"] ? $(".avatar", el, false)[0] : null;
+                var avatar = config["avatar"] || config["gravatar"] ? $(".avatar", el, false)[0] : null;
 
                 if (! toggler.canceled && textarea !== null) {
                     if (utils.text(textarea.innerHTML).length < 3) {

isso/js/app/text/comment.jade

@@ -1,4 +1,7 @@
 div(class='isso-comment' id='isso-#{comment.id}')
+    if conf.gravatar
+        div(class='avatar')
+            img(src='#{comment.gravatar_image}')
     if conf.avatar
         div(class='avatar')
             svg(data-hash='#{comment.hash}')

isso/utils/hash.py

@@ -109,4 +109,5 @@ def new(conf):
         return Hash(salt, algorithm)
 
 
-sha1 = Hash(func="sha1").uhash
+sha1 = Hash(func="sha1").uhash
+md5 = Hash(func="md5").uhash

isso/views/comments.py

@@ -22,6 +22,7 @@ from isso import utils, local
 from isso.utils import http, parse, JSONResponse as JSON
 from isso.views import requires
 from isso.utils.hash import sha1
+from isso.utils.hash import md5
 
 # from Django appearently, looks good to me *duck*
 __url_re = re.compile(
@@ -72,7 +73,7 @@ def xhr(func):
 class API(object):
 
     FIELDS = set(['id', 'parent', 'text', 'author', 'website',
-                  'mode', 'created', 'modified', 'likes', 'dislikes', 'hash'])
+                  'mode', 'created', 'modified', 'likes', 'dislikes', 'hash', 'gravatar_image'])
 
     # comment fields, that can be submitted
     ACCEPT = set(['text', 'author', 'website', 'email', 'parent', 'title'])
@@ -206,6 +207,8 @@ class API(object):
 
         self.cache.set('hash', (rv['email'] or rv['remote_addr']).encode('utf-8'), rv['hash'])
 
+        rv = self._add_gravatar_image(rv)
+
         for key in set(rv.keys()) - API.FIELDS:
             rv.pop(key)
 
@@ -426,7 +429,17 @@ class API(object):
                 comment['replies'] = self._process_fetched_list(replies, plain)
 
         return JSON(rv, 200)
+    def _add_gravatar_image(self, item):
+        if not self.conf.getboolean('gravatar'):
+            return item
 
+        email = item['email'] or ""
+        email_md5_hash = md5(email)
+
+        gravatar_url = self.conf.get('gravatar-url')
+        item['gravatar_image'] = gravatar_url.format(email_md5_hash)
+
+        return item
     def _process_fetched_list(self, fetched_list, plain=False):
         for item in fetched_list:
 
@@ -439,6 +452,8 @@ class API(object):
 
             item['hash'] = val
 
+            item = self._add_gravatar_image(item)
+
             for key in set(item.keys()) - API.FIELDS:
                 item.pop(key)
 

share/isso.conf

@@ -46,6 +46,13 @@ notify = stdout
 # Log console messages to file instead of standard out.
 log-file =
 
+# adds property "gravatar_image" to json response when true
+# will automatically build md5 hash by email and use "gravatar_url" to build
+# the url to the gravatar image
+gravatar = false
+
+# default url for gravatar. {} is where the hash will be placed
+gravatar-url = https://www.gravatar.com/avatar/{}?d=identicon
 
 [moderation]
 # enable comment moderation queue. This option only affects new comments.