"""The base Controller API Provides the BaseController class for subclassing. """ import logging import time import traceback from paste.auth.basic import AuthBasicAuthenticator from paste.httpexceptions import HTTPUnauthorized, HTTPForbidden from paste.httpheaders import WWW_AUTHENTICATE, AUTHORIZATION from pylons import config, tmpl_context as c, request, session, url from pylons.controllers import WSGIController from pylons.controllers.util import redirect from pylons.templating import render_mako as render from rhodecode import __version__, BACKENDS from rhodecode.lib.utils2 import str2bool, safe_unicode, AttributeDict,\ safe_str, safe_int from rhodecode.lib.auth import AuthUser, get_container_username, authfunc,\ HasPermissionAnyMiddleware, CookieStoreWrapper from rhodecode.lib.utils import get_repo_slug from rhodecode.lib.exceptions import UserCreationError from rhodecode.model import meta from rhodecode.model.db import Repository, RhodeCodeUi, User, RhodeCodeSetting from rhodecode.model.notification import NotificationModel from rhodecode.model.scm import ScmModel from rhodecode.model.meta import Session log = logging.getLogger(__name__) def _filter_proxy(ip): """ HEADERS can have multiple ips inside the left-most being the original client, and each successive proxy that passed the request adding the IP address where it received the request from. :param ip: """ if ',' in ip: _ips = ip.split(',') _first_ip = _ips[0].strip() log.debug('Got multiple IPs %s, using %s' % (','.join(_ips), _first_ip)) return _first_ip return ip def _get_ip_addr(environ): proxy_key = 'HTTP_X_REAL_IP' proxy_key2 = 'HTTP_X_FORWARDED_FOR' def_key = 'REMOTE_ADDR' ip = environ.get(proxy_key) if ip: return _filter_proxy(ip) ip = environ.get(proxy_key2) if ip: return _filter_proxy(ip) ip = environ.get(def_key, '0.0.0.0') return _filter_proxy(ip) def _get_access_path(environ): path = environ.get('PATH_INFO') org_req = environ.get('pylons.original_request') if org_req: path = org_req.environ.get('PATH_INFO') return path class BasicAuth(AuthBasicAuthenticator): def __init__(self, realm, authfunc, auth_http_code=None): self.realm = realm self.authfunc = authfunc self._rc_auth_http_code = auth_http_code def build_authentication(self): head = WWW_AUTHENTICATE.tuples('Basic realm="%s"' % self.realm) if self._rc_auth_http_code and self._rc_auth_http_code == '403': # return 403 if alternative http return code is specified in # RhodeCode config return HTTPForbidden(headers=head) return HTTPUnauthorized(headers=head) def authenticate(self, environ): authorization = AUTHORIZATION(environ) if not authorization: return self.build_authentication() (authmeth, auth) = authorization.split(' ', 1) if 'basic' != authmeth.lower(): return self.build_authentication() auth = auth.strip().decode('base64') _parts = auth.split(':', 1) if len(_parts) == 2: username, password = _parts if self.authfunc(environ, username, password): return username return self.build_authentication() __call__ = authenticate class BaseVCSController(object): def __init__(self, application, config): self.application = application self.config = config # base path of repo locations self.basepath = self.config['base_path'] #authenticate this mercurial request using authfunc self.authenticate = BasicAuth('', authfunc, config.get('auth_ret_code')) self.ip_addr = '0.0.0.0' def _handle_request(self, environ, start_response): raise NotImplementedError() def _get_by_id(self, repo_name): """ Gets a special pattern _ from clone url and tries to replace it with a repository_name for support of _ non changable urls :param repo_name: """ try: data = repo_name.split('/') if len(data) >= 2: by_id = data[1].split('_') if len(by_id) == 2 and by_id[1].isdigit(): _repo_name = Repository.get(by_id[1]).repo_name data[1] = _repo_name except Exception: log.debug('Failed to extract repo_name from id %s' % ( traceback.format_exc() ) ) return '/'.join(data) def _invalidate_cache(self, repo_name): """ Set's cache for this repository for invalidation on next access :param repo_name: full repo name, also a cache key """ ScmModel().mark_for_invalidation(repo_name) def _check_permission(self, action, user, repo_name, ip_addr=None): """ Checks permissions using action (push/pull) user and repository name :param action: push or pull action :param user: user instance :param repo_name: repository name """ #check IP authuser = AuthUser(user_id=user.user_id, ip_addr=ip_addr) if not authuser.ip_allowed: return False else: log.info('Access for IP:%s allowed' % (ip_addr)) if action == 'push': if not HasPermissionAnyMiddleware('repository.write', 'repository.admin')(user, repo_name): return False else: #any other action need at least read permission if not HasPermissionAnyMiddleware('repository.read', 'repository.write', 'repository.admin')(user, repo_name): return False return True def _get_ip_addr(self, environ): return _get_ip_addr(environ) def _check_ssl(self, environ, start_response): """ Checks the SSL check flag and returns False if SSL is not present and required True otherwise """ org_proto = environ['wsgi._org_proto'] #check if we have SSL required ! if not it's a bad request ! require_ssl = str2bool(RhodeCodeUi.get_by_key('push_ssl').ui_value) if require_ssl and org_proto == 'http': log.debug('proto is %s and SSL is required BAD REQUEST !' % org_proto) return False return True def _check_locking_state(self, environ, action, repo, user_id): """ Checks locking on this repository, if locking is enabled and lock is present returns a tuple of make_lock, locked, locked_by. make_lock can have 3 states None (do nothing) True, make lock False release lock, This value is later propagated to hooks, which do the locking. Think about this as signals passed to hooks what to do. """ locked = False # defines that locked error should be thrown to user make_lock = None repo = Repository.get_by_repo_name(repo) user = User.get(user_id) # this is kind of hacky, but due to how mercurial handles client-server # server see all operation on changeset; bookmarks, phases and # obsolescence marker in different transaction, we don't want to check # locking on those obsolete_call = environ['QUERY_STRING'] in ['cmd=listkeys',] locked_by = repo.locked if repo and repo.enable_locking and not obsolete_call: if action == 'push': #check if it's already locked !, if it is compare users user_id, _date = repo.locked if user.user_id == user_id: log.debug('Got push from user %s, now unlocking' % (user)) # unlock if we have push from user who locked make_lock = False else: # we're not the same user who locked, ban with 423 ! locked = True if action == 'pull': if repo.locked[0] and repo.locked[1]: locked = True else: log.debug('Setting lock on repo %s by %s' % (repo, user)) make_lock = True else: log.debug('Repository %s do not have locking enabled' % (repo)) log.debug('FINAL locking values make_lock:%s,locked:%s,locked_by:%s' % (make_lock, locked, locked_by)) return make_lock, locked, locked_by def __call__(self, environ, start_response): start = time.time() try: return self._handle_request(environ, start_response) finally: log = logging.getLogger('rhodecode.' + self.__class__.__name__) log.debug('Request time: %.3fs' % (time.time() - start)) meta.Session.remove() class BaseController(WSGIController): def __before__(self): """ __before__ is called before controller methods and after __call__ """ c.rhodecode_version = __version__ c.rhodecode_instanceid = config.get('instance_id') c.rhodecode_name = config.get('rhodecode_title') c.rhodecode_bugtracker = config.get('bugtracker', url('rc_issue_tracker')) c.use_gravatar = str2bool(config.get('use_gravatar')) c.ga_code = config.get('rhodecode_ga_code') # Visual options c.visual = AttributeDict({}) rc_config = RhodeCodeSetting.get_app_settings() ## DB stored c.visual.show_public_icon = str2bool(rc_config.get('rhodecode_show_public_icon')) c.visual.show_private_icon = str2bool(rc_config.get('rhodecode_show_private_icon')) c.visual.stylify_metatags = str2bool(rc_config.get('rhodecode_stylify_metatags')) c.visual.dashboard_items = safe_int(rc_config.get('rhodecode_dashboard_items', 100)) c.visual.repository_fields = str2bool(rc_config.get('rhodecode_repository_fields')) c.visual.show_version = str2bool(rc_config.get('rhodecode_show_version')) ## INI stored self.cut_off_limit = int(config.get('cut_off_limit')) c.visual.allow_repo_location_change = str2bool(config.get('allow_repo_location_change', True)) c.visual.allow_custom_hooks_settings = str2bool(config.get('allow_custom_hooks_settings', True)) c.repo_name = get_repo_slug(request) # can be empty c.backends = BACKENDS.keys() c.unread_notifications = NotificationModel()\ .get_unread_cnt_for_user(c.rhodecode_user.user_id) self.sa = meta.Session self.scm_model = ScmModel(self.sa) def __call__(self, environ, start_response): """Invoke the Controller""" # WSGIController.__call__ dispatches to the Controller method # the request is routed to. This routing information is # available in environ['pylons.routes_dict'] try: self.ip_addr = _get_ip_addr(environ) # make sure that we update permissions each time we call controller api_key = request.GET.get('api_key') cookie_store = CookieStoreWrapper(session.get('rhodecode_user')) user_id = cookie_store.get('user_id', None) username = get_container_username(environ, config) try: auth_user = AuthUser(user_id, api_key, username, self.ip_addr) except UserCreationError, e: from rhodecode.lib import helpers as h h.flash(e, 'error') # container auth or other auth functions that create users on # the fly can throw this exception signaling that there's issue # with user creation, explanation should be provided in # Exception itself auth_user = AuthUser(ip_addr=self.ip_addr) request.user = auth_user self.rhodecode_user = c.rhodecode_user = auth_user if not self.rhodecode_user.is_authenticated and \ self.rhodecode_user.user_id is not None: self.rhodecode_user.set_authenticated( cookie_store.get('is_authenticated') ) log.info('IP: %s User: %s accessed %s' % ( self.ip_addr, auth_user, safe_unicode(_get_access_path(environ))) ) return WSGIController.__call__(self, environ, start_response) finally: meta.Session.remove() class BaseRepoController(BaseController): """ Base class for controllers responsible for loading all needed data for repository loaded items are c.rhodecode_repo: instance of scm repository c.rhodecode_db_repo: instance of db c.repository_followers: number of followers c.repository_forks: number of forks c.repository_following: weather the current user is following the current repo """ def __before__(self): super(BaseRepoController, self).__before__() if c.repo_name: dbr = c.rhodecode_db_repo = Repository.get_by_repo_name(c.repo_name) c.rhodecode_repo = c.rhodecode_db_repo.scm_instance # update last change according to VCS data dbr.update_changeset_cache(dbr.get_changeset()) if c.rhodecode_repo is None: log.error('%s this repository is present in database but it ' 'cannot be created as an scm instance', c.repo_name) redirect(url('home')) # some globals counter for menu c.repository_followers = self.scm_model.get_followers(dbr) c.repository_forks = self.scm_model.get_forks(dbr) c.repository_pull_requests = self.scm_model.get_pull_requests(dbr) c.repository_following = self.scm_model.is_following_repo(c.repo_name, self.rhodecode_user.user_id)