Changeset - 04ace15a511e
[Not reviewed]
default
0 3 0
Mads Kiilerich - 7 years ago 2019-01-08 13:02:44
mads@kiilerich.com
middleware: introduce more generic VCS webob.exc.HTTPException exception handling
3 files changed with 7 insertions and 8 deletions:
0 comments (0 inline, 0 general)
kallithea/lib/base.py
Show inline comments
 
@@ -287,48 +287,50 @@ class BaseVCSController(object):
 
                                              'repository.admin')(authuser,
 
                                                                  repo_name):
 
                return False
 

	
 
        else:
 
            #any other action need at least read permission
 
            if not HasPermissionAnyMiddleware('repository.read',
 
                                              'repository.write',
 
                                              'repository.admin')(authuser,
 
                                                                  repo_name):
 
                return False
 

	
 
        return True
 

	
 
    def _get_ip_addr(self, environ):
 
        return _get_ip_addr(environ)
 

	
 
    def __call__(self, environ, start_response):
 
        start = time.time()
 
        try:
 
            parsed_request = self.parse_request(environ)
 
            if parsed_request is None:
 
                return self.application(environ, start_response)
 
            return self._handle_request(parsed_request, environ, start_response)
 
        except webob.exc.HTTPException as e:
 
            return e(environ, start_response)
 
        finally:
 
            log = logging.getLogger('kallithea.' + self.__class__.__name__)
 
            log.debug('Request time: %.3fs', time.time() - start)
 
            meta.Session.remove()
 

	
 

	
 
class BaseController(TGController):
 

	
 
    def _before(self, *args, **kwargs):
 
        """
 
        _before is called before controller methods and after __call__
 
        """
 
        if request.needs_csrf_check:
 
            # CSRF protection: Whenever a request has ambient authority (whether
 
            # through a session cookie or its origin IP address), it must include
 
            # the correct token, unless the HTTP method is GET or HEAD (and thus
 
            # guaranteed to be side effect free. In practice, the only situation
 
            # where we allow side effects without ambient authority is when the
 
            # authority comes from an API key; and that is handled above.
 
            token = request.POST.get(secure_form.token_key)
 
            if not token or token != secure_form.authentication_token():
 
                log.error('CSRF check failed')
 
                raise webob.exc.HTTPForbidden()
 

	
kallithea/lib/middleware/simplegit.py
Show inline comments
 
@@ -50,92 +50,92 @@ GIT_PROTO_PAT = re.compile(r'^/(.+)/(inf
 

	
 

	
 
class SimpleGit(BaseVCSController):
 

	
 
    @classmethod
 
    def parse_request(cls, environ):
 
        path_info = environ.get('PATH_INFO', '')
 
        m = GIT_PROTO_PAT.match(path_info)
 
        if m is None:
 
            return None
 

	
 
        class parsed_request(object):
 
            repo_name = safe_unicode(m.group(1).rstrip('/'))
 
            cmd = m.group(2)
 

	
 
        return parsed_request
 

	
 
    def _handle_request(self, parsed_request, environ, start_response):
 
        ip_addr = self._get_ip_addr(environ)
 
        # skip passing error to error controller
 
        environ['pylons.status_code_redirect'] = True
 

	
 
        # quick check if repo exists...
 
        if not is_valid_repo(parsed_request.repo_name, self.basepath, 'git'):
 
            return HTTPNotFound()(environ, start_response)
 
            raise HTTPNotFound()
 

	
 
        #======================================================================
 
        # GET ACTION PULL or PUSH
 
        #======================================================================
 
        action = self.__get_action(environ)
 

	
 
        #======================================================================
 
        # CHECK PERMISSIONS
 
        #======================================================================
 
        user, response_app = self._authorize(environ, start_response, action, parsed_request.repo_name, ip_addr)
 
        if response_app is not None:
 
            return response_app(environ, start_response)
 

	
 
        # extras are injected into Mercurial UI object and later available
 
        # in hooks executed by Kallithea
 
        from kallithea import CONFIG
 
        server_url = get_server_url(environ)
 
        extras = {
 
            'ip': ip_addr,
 
            'username': user.username,
 
            'action': action,
 
            'repository': parsed_request.repo_name,
 
            'scm': 'git',
 
            'config': CONFIG['__file__'],
 
            'server_url': server_url,
 
        }
 

	
 
        #===================================================================
 
        # GIT REQUEST HANDLING
 
        #===================================================================
 
        log.debug('HOOKS extras is %s', extras)
 
        baseui = make_ui()
 
        _set_extras(extras or {})
 

	
 
        try:
 
            self._handle_githooks(parsed_request.repo_name, action, baseui, environ)
 
            log.info('%s action on Git repo "%s" by "%s" from %s',
 
                     action, parsed_request.repo_name, safe_str(user.username), ip_addr)
 
            app = self.__make_app(parsed_request.repo_name)
 
            return app(environ, start_response)
 
        except Exception:
 
            log.error(traceback.format_exc())
 
            return HTTPInternalServerError()(environ, start_response)
 
            raise HTTPInternalServerError()
 

	
 
    def __make_app(self, repo_name):
 
        """
 
        Return a pygrack wsgi application.
 
        """
 
        return make_wsgi_app(repo_name, safe_str(self.basepath)) # FIXME: safe_str???
 

	
 
    def __get_action(self, environ):
 
        """
 
        Maps Git request commands into 'pull' or 'push'.
 

	
 
        Raises HTTPBadRequest if the request environment doesn't look like a git client.
 
        """
 
        mapping = {
 
            'git-receive-pack': 'push',
 
            'git-upload-pack': 'pull',
 
        }
 
        path_info = environ.get('PATH_INFO', '')
 
        m = GIT_PROTO_PAT.match(path_info)
 
        if m is None:
 
            action = None
 
        else:
 
            cmd = m.group(2)
 
            query_string = environ['QUERY_STRING']
kallithea/lib/middleware/simplehg.py
Show inline comments
 
@@ -65,98 +65,95 @@ def get_header_hgarg(environ):
 

	
 
class SimpleHg(BaseVCSController):
 

	
 
    @classmethod
 
    def parse_request(cls, environ):
 
        http_accept = environ.get('HTTP_ACCEPT', '')
 
        if not http_accept.startswith('application/mercurial'):
 
            return None
 
        path_info = environ.get('PATH_INFO', '')
 
        if not path_info.startswith('/'): # it must!
 
            return None
 

	
 
        class parsed_request(object):
 
            repo_name = safe_unicode(path_info[1:].rstrip('/'))
 

	
 
        return parsed_request
 

	
 
    def _handle_request(self, parsed_request, environ, start_response):
 
        ip_addr = self._get_ip_addr(environ)
 
        # skip passing error to error controller
 
        environ['pylons.status_code_redirect'] = True
 

	
 
        # quick check if repo exists...
 
        if not is_valid_repo(parsed_request.repo_name, self.basepath, 'hg'):
 
            return HTTPNotFound()(environ, start_response)
 
            raise HTTPNotFound()
 

	
 
        #======================================================================
 
        # GET ACTION PULL or PUSH
 
        #======================================================================
 
        try:
 
            action = self.__get_action(environ)
 
        except HTTPBadRequest as e:
 
            return e(environ, start_response)
 
        action = self.__get_action(environ)
 

	
 
        #======================================================================
 
        # CHECK PERMISSIONS
 
        #======================================================================
 
        user, response_app = self._authorize(environ, start_response, action, parsed_request.repo_name, ip_addr)
 
        if response_app is not None:
 
            return response_app(environ, start_response)
 

	
 
        # extras are injected into Mercurial UI object and later available
 
        # in hooks executed by Kallithea
 
        from kallithea import CONFIG
 
        server_url = get_server_url(environ)
 
        extras = {
 
            'ip': ip_addr,
 
            'username': user.username,
 
            'action': action,
 
            'repository': parsed_request.repo_name,
 
            'scm': 'hg',
 
            'config': CONFIG['__file__'],
 
            'server_url': server_url,
 
        }
 
        #======================================================================
 
        # MERCURIAL REQUEST HANDLING
 
        #======================================================================
 
        str_repo_name = safe_str(parsed_request.repo_name)
 
        repo_path = os.path.join(safe_str(self.basepath), str_repo_name)
 
        log.debug('Repository path is %s', repo_path)
 

	
 
        log.debug('HOOKS extras is %s', extras)
 
        baseui = make_ui(repo_path=repo_path)
 
        _set_extras(extras or {})
 

	
 
        try:
 
            log.info('%s action on Mercurial repo "%s" by "%s" from %s',
 
                     action, parsed_request.repo_name, safe_str(user.username), ip_addr)
 
            environ['REPO_NAME'] = str_repo_name # used by hgweb_mod.hgweb
 
            app = self.__make_app(repo_path, baseui)
 
            return app(environ, start_response)
 
        except Exception:
 
            log.error(traceback.format_exc())
 
            return HTTPInternalServerError()(environ, start_response)
 
            raise HTTPInternalServerError()
 

	
 
    def __make_app(self, repo_name, baseui):
 
        """
 
        Make an hgweb wsgi application using baseui.
 
        """
 
        return hgweb_mod.hgweb(repo_name, name=repo_name, baseui=baseui)
 

	
 
    def __get_action(self, environ):
 
        """
 
        Maps Mercurial request commands into 'pull' or 'push'.
 

	
 
        Raises HTTPBadRequest if the request environment doesn't look like a hg client.
 
        """
 
        mapping = {
 
            # 'batch' is not in this list - it is handled explicitly
 
            'between': 'pull',
 
            'branches': 'pull',
 
            'branchmap': 'pull',
 
            'capabilities': 'pull',
 
            'changegroup': 'pull',
 
            'changegroupsubset': 'pull',
 
            'changesetdata': 'pull',
 
            'clonebundles': 'pull',
 
            'debugwireargs': 'pull',
0 comments (0 inline, 0 general)