improve url exists detection for new comment threads
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30fa254023
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52f64dd26f
@ -32,12 +32,23 @@ class IssoEncoder(json.JSONEncoder):
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return json.JSONEncoder.default(self, obj)
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def urlexists(host, path):
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def normalize(host):
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if not host.startswith(('http://', 'https://')):
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host = 'https://' + host
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rv = urlparse(host)
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http = httplib.HTTPSConnection if rv.scheme == 'https' else httplib.HTTPConnection
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if rv.scheme == 'https':
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return (rv.netloc, 443)
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return (rv.netloc.rsplit(':')[0], rv.port or 80)
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with closing(http(rv.netloc, rv.port, timeout=3)) as con:
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def urlexists(host, path):
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host, port = normalize(host)
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http = httplib.HTTPSConnection if port == 443 else httplib.HTTPConnection
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with closing(http(host, port, timeout=3)) as con:
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try:
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con.request('HEAD', path)
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except (httplib.HTTPException, socket.error):
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@ -49,10 +60,10 @@ def heading(host, path):
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"""Connect to `host`, GET path and start from #isso-thread to search for
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a possible heading (h1). Returns `None` if nothing found."""
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rv = urlparse(host)
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http = httplib.HTTPSConnection if rv.scheme == 'https' else httplib.HTTPConnection
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host, port = normalize(host)
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http = httplib.HTTPSConnection if port == 443 else httplib.HTTPConnection
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with closing(http(rv.netloc, rv.port, timeout=15)) as con:
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with closing(http(host, port, timeout=15)) as con:
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con.request('GET', path)
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html = html5lib.parse(con.getresponse().read(), treebuilder="dom")
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@ -43,7 +43,7 @@ class requires:
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@requires(str, 'uri')
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def create(app, environ, request, uri):
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if not utils.urlexists(app.ORIGIN, uri):
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if app.db.threads.get(uri) is None and not utils.urlexists(app.ORIGIN, uri):
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return Response('URI does not exist', 404)
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try:
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@ -70,13 +70,12 @@ def create(app, environ, request, uri):
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hash=hashlib.md5(hash).hexdigest())
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try:
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title = app.db.threads.get(uri)
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except KeyError:
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title = app.db.threads.get(uri)
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if title is None:
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title = app.db.threads.add(uri, utils.heading(app.ORIGIN, uri))
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try:
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rv = app.db.add(uri, comment, utils.anonymize(unicode(request.remote_addr)))
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rv = app.db.add(uri, comment, request.remote_addr)
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except sqlite3.Error:
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logging.exception('uncaught SQLite3 exception')
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abort(400)
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