Complete refactoring of opensearch

Refactored opensearch.xml to only exist as a template that is
served by a flask route, which is then populated with the
necessary url root.

README.md

@@ -20,7 +20,7 @@ Get Google search results, but without any ads, javascript, AMP links, or tracki
 - [A Heroku Account](https://www.heroku.com/)
   - Optional, but recommended. Allows for free hosting of the web app and single-click deployment.
   - Alternatively, you can host the app using a different service, or deploy it to your own server (explained below).
-  
+
 If deploying manually:
 - Docker ([Windows](https://docs.docker.com/docker-for-windows/install/), [macOS](https://docs.docker.com/docker-for-mac/install/), [Ubuntu](https://docs.docker.com/engine/install/ubuntu/), [other Linux distros](https://docs.docker.com/engine/install/binaries/))
 - [Heroku CLI](https://devcenter.heroku.com/articles/heroku-cli)
@@ -77,10 +77,7 @@ To filter by a range of time, append ":past <time>" to the end of your search, w
 
 ## Extra Steps
 ### Set Shoogle as your primary search engine
-1. From the main shoogle folder, run `python config/opensearch.py "<your app url>"`
-2. Rebuild and release your updated app
-  - `heroku container:push web` and then `heroku container:release web`
-3. Update browser settings
+Update browser settings:
   - Firefox (Desktop)
     - Navigate to your app's url, and click the 3 dot menu in the address bar. At the bottom, there should be an option to "Add Search Engine". Once you've clicked this, open your Firefox Preferences menu, click "Search" in the left menu, and use the available dropdown to select "Shoogle" from the list.
   - Firefox (Mobile)

app/filter.py

@@ -52,8 +52,9 @@ class Filter:
             logo['style'] = 'display:flex; justify-content:center; align-items:center; color:#685e79; font-size:18px;'
 
         # Fix search bar length on mobile
-        search_bar = soup.find('header').find('form').find('div')
-        search_bar['style'] = 'width: 100%;'
+        if self.mobile:
+            search_bar = soup.find('header').find('form').find('div')
+            search_bar['style'] = 'width: 100%;'
 
         # Replace hrefs with only the intended destination (no "utm" type tags)
         for a in soup.find_all('a', href=True):

app/routes.py

@@ -2,7 +2,7 @@ from app import app
 from app.filter import Filter
 from app.request import Request, gen_query
 from bs4 import BeautifulSoup
-from flask import g, request, redirect, render_template
+from flask import g, make_response, request, redirect, render_template
 import json
 import os
 import urllib.parse as urlparse
@@ -24,6 +24,18 @@ def index():
     return render_template('index.html', bg=bg, ua=g.user_request.modified_user_agent)
 
 
+@app.route('/opensearch.xml', methods=['GET'])
+def opensearch():
+    url_root = request.url_root
+    if url_root.endswith('/'):
+        url_root = url_root[:-1]
+
+    template = render_template('opensearch.xml', shoogle_url=url_root)
+    response = make_response(template)
+    response.headers['Content-Type'] = 'application/xml'
+    return response
+
+
 @app.route('/search', methods=['GET'])
 def search():
     q = request.args.get('q')

app/static/opensearch.template

@@ -1,13 +0,0 @@
-<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"
-                       xmlns:moz="http://www.mozilla.org/2006/browser/search/">
-  <ShortName>Shoogle</ShortName>
-  <Description>Shoogle: A lightweight, deployable Google search proxy for desktop/mobile that removes Javascript, AMP links, and ads</Description>
-  <InputEncoding>UTF-8</InputEncoding>
-  <Image width="32" height="32" type="image/x-icon">/static/img/favicon/favicon-32x32.png</Image>
-  <Url type="text/html" template="SHOOGLE_URL/search">
-    <Param name="q" value="{searchTerms}"/>
-  </Url>
-  <Url type="application/x-suggestions+json" template="SHOOGLE_URL/search"/>
-  <moz:SearchForm>SHOOGLE_URL/search</moz:SearchForm>
-</OpenSearchDescription>
-

app/templates/index.html

@@ -17,7 +17,7 @@
         <meta name="msapplication-TileColor" content="#ffffff">
         <meta name="msapplication-TileImage" content="/static/img/favicon/ms-icon-144x144.png">
         <script type="text/javascript" src="/static/js/controller.js"></script>
-        <link rel="search" href="/static/opensearch.xml" type="application/opensearchdescription+xml" title="Shoogle Search">
+        <link rel="search" href="/opensearch.xml" type="application/opensearchdescription+xml" title="Shoogle Search">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <link rel="stylesheet" href="/static/css/main.css">
 	<title>Shoogle Search</title>

config/opensearch.py

@@ -1,21 +0,0 @@
-import os
-import sys
-
-script_path = os.path.dirname(os.path.realpath(__file__))
-template_path = script_path + '/../app/static/opensearch.template'
-opensearch_path = script_path + '/../app/static/opensearch.xml'
-replace_tag = 'SHOOGLE_URL'
-
-if len(sys.argv) != 2:
-    print('You must provide the url as an argument for this script.')
-    print('Example: python opensearch.py "https://my-app-1776.herokuapps.com"')
-    sys.exit(0)
-
-app_url = sys.argv[1].rstrip('/')
-opensearch_template = open(template_path, 'r').read()
-
-with open(opensearch_path, 'w') as opensearch_xml:
-    opensearch_xml.write(opensearch_template.replace(replace_tag, app_url))
-    opensearch_xml.close()
-
-print('\nDone - you may now set Shoogle as your primary search engine')