the Devise email regex was not catching pods that were anything other than a standard url

app/controllers/people_controller.rb

@@ -32,7 +32,7 @@ class PeopleController < ApplicationController
 
       format.html do
         #only do it if it is an email address
-        if params[:q].try(:match, Devise.email_regexp)
+        if diaspora_id?(params[:q])
           people = Person.where(:diaspora_handle => params[:q].downcase)
           webfinger(params[:q]) if people.empty?
         else
@@ -43,7 +43,7 @@ class PeopleController < ApplicationController
       end
       format.mobile do
         #only do it if it is an email address
-        if params[:q].try(:match, Devise.email_regexp)
+        if diaspora_id?(params[:q])
           people = Person.where(:diaspora_handle => params[:q])
           webfinger(params[:q]) if people.empty?
         else
@@ -165,13 +165,18 @@ class PeopleController < ApplicationController
     end
   end
 
+  def diaspora_id?(query)
+    !query.try(:match, /^(\w)*@([a-zA-Z0-9]|[-]|[.]|[:])*$/).nil?
+  end
+
   private
   def webfinger(account, opts = {})
     Resque.enqueue(Job::SocketWebfinger, current_user.id, account, opts)
   end
 
-
   def remote_profile_with_no_user_session?
     @person && @person.remote? && !user_signed_in?
   end
+
+
 end

spec/controllers/people_controller_spec.rb

@@ -58,6 +58,12 @@ describe PeopleController do
       assigns[:people][0].id.should == eugene2.id
     end
 
+    it "allows unsearchable people to be found by handle" do
+      d_id = "eugene@example.org"
+      @controller.should_receive(:diaspora_id?).with(d_id)
+      get :index, :q => d_id
+    end
+
      it "downcases the handle before trying to find someone by it" do
       eugene2 = Factory.create(:person, :diaspora_handle => "eugene@example.org",
                                :profile => Factory.build(:profile, :first_name => "Eugene",
@@ -345,6 +351,40 @@ describe PeopleController do
     end
   end
 
+  describe '#diaspora_id?' do
+    it 'returns true for pods on urls' do
+      @controller.diaspora_id?("ilya_123@pod.geraspora.de").should be_true
+    end
+
+    it 'returns true for pods on urls with port' do
+      @controller.diaspora_id?("ilya_123@pod.geraspora.de:12314").should be_true
+    end
+
+    it 'returns true for pods on localhost' do
+      @controller.diaspora_id?("ilya_123@localhost").should be_true
+    end
+
+    it 'returns true for pods on localhost and port' do
+      @controller.diaspora_id?("ilya_123@localhost:1234").should be_true
+    end
+
+    it 'returns true for pods on ip' do
+      @controller.diaspora_id?("ilya_123@1.1.1.1").should be_true
+    end
+
+    it 'returns true for pods on ip and port' do
+      @controller.diaspora_id?("ilya_123@1.2.3.4:1234").should be_true
+    end
+
+    it 'returns false for pods on with invalid url characters' do
+      @controller.diaspora_id?("ilya_123@join_diaspora.com").should be_false
+    end
+
+    it 'returns false for invalid usernames' do
+      @controller.diaspora_id?("ilya_2%3@joindiaspora.com").should be_false
+    end
+  end
+
   describe '#webfinger' do
     it 'enqueues a webfinger job' do
       Resque.should_receive(:enqueue).with(Job::SocketWebfinger, @user.id, @user.diaspora_handle, anything).once