import logging import time import sys import os from flask import Flask, request, render_template, url_for, redirect, session from flask.ctx import _AppCtxGlobals from flask.ext.script import Manager from flask.ext.login import LoginManager, login_required from flask.ext.assets import Environment, Bundle from werkzeug.routing import BaseConverter from werkzeug.utils import cached_property from realms import config from realms.lib.ratelimit import get_view_rate_limit, ratelimiter from realms.lib.session import RedisSessionInterface from realms.lib.wiki import Wiki from realms.lib.util import to_canonical, remove_ext, mkdir_safe, gravatar_url from realms.lib.services import db from models import Site, User, CurrentUser wikis = {} class AppCtxGlobals(_AppCtxGlobals): @cached_property def current_wiki(self): subdomain = format_subdomain(self.current_site) if not subdomain: subdomain = "_" if not wikis.get(subdomain): wikis[subdomain] = Wiki("%s/%s" % (config.REPO_DIR, subdomain)) return wikis[subdomain] @cached_property def current_site(self): host = request.host.split(':')[0] return host[:-len(config.DOMAIN)].rstrip('.') @cached_property def current_user(self): return session.get('user') if session.get('user') else {'username': 'Anon'} class Application(Flask): app_ctx_globals_class = AppCtxGlobals def __call__(self, environ, start_response): path_info = environ.get('PATH_INFO') if path_info and len(path_info) > 1 and path_info.endswith('/'): environ['PATH_INFO'] = path_info[:-1] scheme = environ.get('HTTP_X_SCHEME') if scheme: environ['wsgi.url_scheme'] = scheme real_ip = environ.get('HTTP_X_REAL_IP') if real_ip: environ['REMOTE_ADDR'] = real_ip return super(Application, self).__call__(environ, start_response) def discover(self): """ Pattern taken from guildwork.com """ IMPORT_NAME = 'realms.modules' FROMLIST = ( 'assets', 'models', 'search', 'perms', 'broadcasts', 'commands', 'notifications', 'requests', 'tasks', 'views', ) start_time = time.time() __import__(IMPORT_NAME, fromlist=FROMLIST) for module_name in self.config['MODULES']: sources = __import__('%s.%s' % (IMPORT_NAME, module_name), fromlist=FROMLIST) # Blueprint if hasattr(sources, 'views'): self.register_blueprint(sources.views.blueprint) # Flask-Script if hasattr(sources, 'commands'): manager.add_command(module_name, sources.commands.manager) print >> sys.stderr, ' * Ready in %.2fms' % (1000.0 * (time.time() - start_time)) def init_db(dbname): """ Assures DB has minimal setup """ pass class RegexConverter(BaseConverter): """ Enables Regex matching on endpoints """ def __init__(self, url_map, *items): super(RegexConverter, self).__init__(url_map) self.regex = items[0] def redirect_url(referrer=None): if not referrer: referrer = request.referrer return request.args.get('next') or referrer or url_for('index') def format_subdomain(s): if not config.REPO_ENABLE_SUBDOMAIN: return "" s = s.lower() s = to_canonical(s) if s in config.REPO_FORBIDDEN_NAMES: # Not allowed s = "" return s app = Application(__name__) app.config.from_object('realms.config') app.session_interface = RedisSessionInterface() app.url_map.converters['regex'] = RegexConverter app.url_map.strict_slashes = False app.debug = True manager = Manager(app) # Flask extension objects login_manager = LoginManager() login_manager.init_app(app) login_manager.login_view = 'login' @login_manager.user_loader def load_user(user_id): return CurrentUser(user_id) assets = Environment() assets.init_app(app) if config.ENV is 'PROD': if 'js_common' not in assets._named_bundles: assets.register('js_common', Bundle('packed-common.js')) if 'js_editor' not in assets._named_bundles: assets.register('js_editor', Bundle('packed-editor.js')) else: if 'js_common' not in assets._named_bundles: js = Bundle( Bundle('vendor/jquery/jquery.js', 'vendor/components-underscore/underscore.js', 'vendor/components-bootstrap/js/bootstrap.js', 'vendor/handlebars/handlebars.js', 'vendor/showdown/src/showdown.js', 'vendor/showdown/src/extensions/table.js', 'js/wmd.js', filters='closure_js'), 'js/html-sanitizer-minified.js', 'vendor/highlightjs/highlight.pack.js', Bundle('js/main.js', filters='closure_js'), output='packed-common.js') assets.register('js_common', js) if 'js_editor' not in assets._named_bundles: js = Bundle('js/ace/ace.js', 'js/ace/mode-markdown.js', 'vendor/keymaster/keymaster.js', 'js/dillinger.js', filters='closure_js', output='packed-editor.js') assets.register('js_editor', js) @app.after_request def inject_x_rate_headers(response): limit = get_view_rate_limit() if limit and limit.send_x_headers: h = response.headers h.add('X-RateLimit-Remaining', str(limit.remaining)) h.add('X-RateLimit-Limit', str(limit.limit)) h.add('X-RateLimit-Reset', str(limit.reset)) return response @app.template_filter('datetime') def _jinja2_filter_datetime(ts): return time.strftime('%b %d, %Y %I:%M %p', time.localtime(ts)) @app.errorhandler(404) def page_not_found(e): return render_template('errors/404.html'), 404 @app.errorhandler(500) def page_error(e): logging.exception(e) return render_template('errors/500.html'), 500 @app.route("/") def root(): return redirect(url_for(config.ROOT_ENDPOINT)) @app.route("/_account/") @login_required def account(): return render_template('account/index.html') if 'devserver' not in sys.argv or os.environ.get('WERKZEUG_RUN_MAIN'): app.discover() print app.url_map