Merge pull request #852 from webcompat/fixmyurl

Handle ?url query string for css-fixme, #847

requirements.txt

@@ -10,3 +10,4 @@ ua-parser==0.5.0
 nose==1.3.1
 blinker==1.3
 pep8==1.6.2
+requests==2.2.1

tests/test_urls.py

@@ -130,5 +130,17 @@ def test_rate_limit(self):
         self.assertEqual(rv.status_code, 200)
         self.assertTrue = rv.data.startswith(response_start)
 
+    def test_tools_cssfixme_with_URL(self):
+        '''Test that the /tools/cssfixme route gets 200 with ?url query.'''
+        url = '/tools/cssfixme?url=https://webcompat.com/css/webcompat.min.css'
+        rv = self.app.get(url)
+        self.assertEqual(rv.status_code, 200)
+
+    def test_tools_cssfixme_with_nonsense_URL(self):
+        '''Test that the /tools/cssfixme route gets 200 with bad ?url query.'''
+        rv = self.app.get('/tools/cssfixme?url=foobar')
+        self.assertEqual(rv.status_code, 200)
+
+
 if __name__ == '__main__':
     unittest.main()

webcompat/templates/cssfixme.html

@@ -8,7 +8,7 @@
       <p>This uses the <a href="https://github.com/reworkcss/rework">ReworkCSS</a> library for parsing and stringifying CSS.</p>
       <p>Paste CSS in this box to see what needs fixing:</p>
 
-      <textarea style="width:100%;height:20rem;"></textarea><br/>
+      <textarea style="width:100%;height:20rem;">{{ csscode }}</textarea><br/>
       <button type="button" id="btn_do_fixup">Add standard equivalents for prefixed CSS</button>
       <label>
         <input type="checkbox" name="compact">Compact output (whitespace only after closing brace)</label>

webcompat/views.py

@@ -7,6 +7,8 @@
 import json
 import urllib
 
+import requests
+
 from flask.ext.github import GitHubError
 from flask import flash
 from flask import g
@@ -275,7 +277,25 @@ def contributors():
 @app.route('/tools/cssfixme')
 def cssfixme():
     '''Route for CSS Fix me tool'''
-    return render_template('cssfixme.html')
+
+    url = request.args.get('url')
+    csscode = ''
+    req = None
+    if url:
+        try:
+            req = requests.get(url)
+        except requests.exceptions.MissingSchema:
+            # Somebody gave us an URL not prefixed by http(s)://
+            try:
+                req = requests.get('http://{0}'.format(url))
+            except Exception:
+                pass  # Still failing - TEXTARE will be empty.
+        except Exception:
+            pass  # If we can't load this URL, the TEXTAREA loads empty.
+        if req:
+            # No escaping of HTML required, render_template takes care of it
+            csscode = req.text
+    return render_template('cssfixme.html', csscode=csscode)
 
 
 @app.errorhandler(GitHubError)