Add OpenSearch support to the site

Implements FS#14185. It is a bit more complex than listed there as I wanted
to not hardcode the URLs in the descriptor file; to do this we need to make
it a template and fill some things in. We also need to serve the file using
the correct mime type.

Signed-off-by: Dan McGee <dan@archlinux.org>

4 files changed, 28 insertions, 1 deletions

diff --git a/packages/views.py b/packages/views.py
index a514617d..910af94a 100644
--- a/packages/views.py
+++ b/packages/views.py
@@ -3,7 +3,7 @@ from django import forms
 from django.core.mail import send_mail
 from django.shortcuts import render_to_response
 from django.template import loader, Context, RequestContext
-from django.http import HttpResponseRedirect
+from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import get_object_or_404
 from django.contrib.auth.models import User
 from django.contrib.auth.decorators import permission_required
@@ -15,6 +15,18 @@ from archweb.main.models import Package, PackageFile
 from archweb.main.models import Arch, Repo, Signoff
 from archweb.main.utils import make_choice
 
+def opensearch(request):
+    if request.is_secure():
+        d = "https://%s" % request.META['HTTP_HOST']
+    else:
+        d = "http://%s" % request.META['HTTP_HOST']
+    response = HttpResponse(mimetype='application/opensearchdescription+xml')
+    t = loader.get_template('packages/opensearch.xml')
+    c = Context({
+        'domain': d,
+    })
+    response.write(t.render(c))
+    return response
 
 @permission_required('main.change_package')
 def update(request):
diff --git a/templates/base.html b/templates/base.html
index bbdfe74a..39b2a625 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -7,6 +7,7 @@
         <link rel="stylesheet" type="text/css" href="/media/arch.css" />
         <link rel="icon" type="image/x-icon" href="/media/favicon.ico" />
         <link rel="shortcut icon" type="image/x-icon" href="/media/favicon.ico" />
+        <link rel="search" type="application/opensearchdescription+xml" href="/opensearch/packages/" title="Arch Linux Packages" />
         {% block head %}
         {% endblock %}
     </head>
diff --git a/templates/packages/opensearch.xml b/templates/packages/opensearch.xml
new file mode 100644
index 00000000..711b36a2
--- /dev/null
+++ b/templates/packages/opensearch.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
+	<ShortName>Arch Linux Packages</ShortName>
+	<Description>Search the Arch Linux package repositories.</Description>
+	<Tags>linux archlinux package software</Tags>
+	<Image height="16" width="16" type="image/x-icon">{{domain}}/media/favicon.ico</Image>
+	<Language>en-us</Language>
+	<InputEncoding>UTF-8</InputEncoding>
+	<OutputEncoding>UTF-8</OutputEncoding>
+	<Query role="example" searchTerms="initscripts"/>
+	<Url type="text/html" template="{{domain}}/packages/?q={searchTerms}"/>
+	<Url rel="self" type="application/opensearchdescription+xml" template="{{domain}}/opensearch/packages/"/>
+</OpenSearchDescription>
diff --git a/urls.py b/urls.py
index 4a52998c..e0df2da2 100644
--- a/urls.py
+++ b/urls.py
@@ -108,6 +108,7 @@ urlpatterns = patterns('',
     (r'^irc/$', direct_to_template, {'template': 'public/irc.html'}),
     (r'^moreforums/$', 'archweb.public.views.moreforums'),
     (r'^projects/$', 'archweb.public.views.projects'),
+    (r'^opensearch/packages/$', 'archweb.packages.views.opensearch'),
 )
 
 if settings.DEBUG == True: