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pillar/pillar/web/redirects/__init__.py
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__init__.py
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import logging
import string
import urllib.parse
from flask import Blueprint, redirect, current_app
from werkzeug.exceptions import NotFound
import pillarsdk
from pillar.web import system_util
from pillar.web.nodes.routes import url_for_node
blueprint = Blueprint('redirects', __name__)
log = logging.getLogger(__name__)
short_code_chars = string.ascii_letters + string.digits
@blueprint.route('/<path:path>')
def redirect_to_path(path):
redirects = current_app.config.get('REDIRECTS', {})
# Try our dict of redirects first.
try:
url = redirects[path]
except KeyError:
pass
else:
return redirect(url, code=307)
# The path may be a node short-code.
resp = redirect_with_short_code(path)
if resp is not None:
return resp
log.warning('Non-existing redirect %r requested', path)
raise NotFound()
def redirect_with_short_code(short_code):
if any(c not in short_code_chars for c in short_code):
# Can't be a short code
return
log.debug('Path %s may be a short-code', short_code)
api = system_util.pillar_api()
try:
node = pillarsdk.Node.find_one({'where': {'short_code': short_code},
'projection': {'_id': 1}},
api=api)
except pillarsdk.ResourceNotFound:
log.debug("Nope, it isn't.")
return
# Redirect to 'theatre' view for the node.
url = url_for_node(node=node)
url = urllib.parse.urljoin(url, '?t')
log.debug('Found short code %s, redirecting to %s', short_code, url)
return redirect(url, code=307)
def setup_app(app, url_prefix):
app.register_blueprint(blueprint, url_prefix=url_prefix)