cache: turn off caches if expiration_time is 0

rhodecode/apps/repository/views/repo_files.py

@@ -1,1278 +1,1297 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import itertools
 import logging
 import os
 import shutil
 import tempfile
 import collections
 
 from pyramid.httpexceptions import HTTPNotFound, HTTPBadRequest, HTTPFound
 from pyramid.view import view_config
 from pyramid.renderers import render
 from pyramid.response import Response
 
+import rhodecode
 from rhodecode.apps._base import RepoAppView
 
 from rhodecode.controllers.utils import parse_path_ref
 from rhodecode.lib import diffs, helpers as h, caches, rc_cache
 from rhodecode.lib import audit_logger
 from rhodecode.lib.exceptions import NonRelativePathError
 from rhodecode.lib.codeblocks import (
     filenode_as_lines_tokens, filenode_as_annotated_lines_tokens)
 from rhodecode.lib.utils2 import (
-    convert_line_endings, detect_mode, safe_str, str2bool)
+    convert_line_endings, detect_mode, safe_str, str2bool, safe_int)
 from rhodecode.lib.auth import (
     LoginRequired, HasRepoPermissionAnyDecorator, CSRFRequired)
 from rhodecode.lib.vcs import path as vcspath
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 from rhodecode.lib.vcs.conf import settings
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.lib.vcs.exceptions import (
     RepositoryError, CommitDoesNotExistError, EmptyRepositoryError,
     ImproperArchiveTypeError, VCSError, NodeAlreadyExistsError,
     NodeDoesNotExistError, CommitError, NodeError)
 
 from rhodecode.model.scm import ScmModel
 from rhodecode.model.db import Repository
 
 log = logging.getLogger(__name__)
 
 
 class RepoFilesView(RepoAppView):
 
     @staticmethod
     def adjust_file_path_for_svn(f_path, repo):
         """
         Computes the relative path of `f_path`.
 
         This is mainly based on prefix matching of the recognized tags and
         branches in the underlying repository.
         """
         tags_and_branches = itertools.chain(
             repo.branches.iterkeys(),
             repo.tags.iterkeys())
         tags_and_branches = sorted(tags_and_branches, key=len, reverse=True)
 
         for name in tags_and_branches:
             if f_path.startswith('{}/'.format(name)):
                 f_path = vcspath.relpath(f_path, name)
                 break
         return f_path
 
     def load_default_context(self):
         c = self._get_local_tmpl_context(include_app_defaults=True)
         c.rhodecode_repo = self.rhodecode_vcs_repo
         return c
 
     def _ensure_not_locked(self):
         _ = self.request.translate
 
         repo = self.db_repo
         if repo.enable_locking and repo.locked[0]:
             h.flash(_('This repository has been locked by %s on %s')
                     % (h.person_by_id(repo.locked[0]),
                     h.format_date(h.time_to_datetime(repo.locked[1]))),
                     'warning')
             files_url = h.route_path(
                 'repo_files:default_path',
                 repo_name=self.db_repo_name, commit_id='tip')
             raise HTTPFound(files_url)
 
     def _get_commit_and_path(self):
         default_commit_id = self.db_repo.landing_rev[1]
         default_f_path = '/'
 
         commit_id = self.request.matchdict.get(
             'commit_id', default_commit_id)
         f_path = self._get_f_path(self.request.matchdict, default_f_path)
         return commit_id, f_path
 
     def _get_default_encoding(self, c):
         enc_list = getattr(c, 'default_encodings', [])
         return enc_list[0] if enc_list else 'UTF-8'
 
     def _get_commit_or_redirect(self, commit_id, redirect_after=True):
         """
         This is a safe way to get commit. If an error occurs it redirects to
         tip with proper message
 
         :param commit_id: id of commit to fetch
         :param redirect_after: toggle redirection
         """
         _ = self.request.translate
 
         try:
             return self.rhodecode_vcs_repo.get_commit(commit_id)
         except EmptyRepositoryError:
             if not redirect_after:
                 return None
 
             _url = h.route_path(
                 'repo_files_add_file',
                 repo_name=self.db_repo_name, commit_id=0, f_path='',
                 _anchor='edit')
 
             if h.HasRepoPermissionAny(
                     'repository.write', 'repository.admin')(self.db_repo_name):
                 add_new = h.link_to(
                     _('Click here to add a new file.'), _url, class_="alert-link")
             else:
                 add_new = ""
 
             h.flash(h.literal(
                 _('There are no files yet. %s') % add_new), category='warning')
             raise HTTPFound(
                 h.route_path('repo_summary', repo_name=self.db_repo_name))
 
         except (CommitDoesNotExistError, LookupError):
             msg = _('No such commit exists for this repository')
             h.flash(msg, category='error')
             raise HTTPNotFound()
         except RepositoryError as e:
             h.flash(safe_str(h.escape(e)), category='error')
             raise HTTPNotFound()
 
     def _get_filenode_or_redirect(self, commit_obj, path):
         """
         Returns file_node, if error occurs or given path is directory,
         it'll redirect to top level path
         """
         _ = self.request.translate
 
         try:
             file_node = commit_obj.get_node(path)
             if file_node.is_dir():
                 raise RepositoryError('The given path is a directory')
         except CommitDoesNotExistError:
             log.exception('No such commit exists for this repository')
             h.flash(_('No such commit exists for this repository'), category='error')
             raise HTTPNotFound()
         except RepositoryError as e:
             log.warning('Repository error while fetching '
                         'filenode `%s`. Err:%s', path, e)
             h.flash(safe_str(h.escape(e)), category='error')
             raise HTTPNotFound()
 
         return file_node
 
     def _is_valid_head(self, commit_id, repo):
         # check if commit is a branch identifier- basically we cannot
         # create multiple heads via file editing
         valid_heads = repo.branches.keys() + repo.branches.values()
 
         if h.is_svn(repo) and not repo.is_empty():
             # Note: Subversion only has one head, we add it here in case there
             # is no branch matched.
             valid_heads.append(repo.get_commit(commit_idx=-1).raw_id)
 
         # check if commit is a branch name or branch hash
         return commit_id in valid_heads
 
     def _get_tree_at_commit(
             self, c, commit_id, f_path, full_load=False):
 
         repo_id = self.db_repo.repo_id
 
+        cache_seconds = safe_int(
+            rhodecode.CONFIG.get('rc_cache.cache_repo.expiration_time'))
+        cache_on = cache_seconds > 0
+        log.debug(
+            'Computing FILE TREE for repo_id %s commit_id `%s` and path `%s`'
+            'with caching: %s[TTL: %ss]' % (
+                repo_id, commit_id, f_path, cache_on, cache_seconds or 0))
+
         cache_namespace_uid = 'cache_repo.{}'.format(repo_id)
         region = rc_cache.get_or_create_region('cache_repo', cache_namespace_uid)
 
-        @region.cache_on_arguments(namespace=cache_namespace_uid)
+        @region.cache_on_arguments(namespace=cache_namespace_uid,
+                                   should_cache_fn=lambda v: cache_on)
         def compute_file_tree(repo_id, commit_id, f_path, full_load):
             log.debug('Generating cached file tree for repo_id: %s, %s, %s',
                       repo_id, commit_id, f_path)
 
             c.full_load = full_load
             return render(
                 'rhodecode:templates/files/files_browser_tree.mako',
                 self._get_template_context(c), self.request)
 
         return compute_file_tree(self.db_repo.repo_id, commit_id, f_path, full_load)
 
     def _get_archive_spec(self, fname):
         log.debug('Detecting archive spec for: `%s`', fname)
 
         fileformat = None
         ext = None
         content_type = None
         for a_type, ext_data in settings.ARCHIVE_SPECS.items():
             content_type, extension = ext_data
 
             if fname.endswith(extension):
                 fileformat = a_type
                 log.debug('archive is of type: %s', fileformat)
                 ext = extension
                 break
 
         if not fileformat:
             raise ValueError()
 
         # left over part of whole fname is the commit
         commit_id = fname[:-len(ext)]
 
         return commit_id, ext, fileformat, content_type
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_archivefile', request_method='GET',
         renderer=None)
     def repo_archivefile(self):
         # archive cache config
         from rhodecode import CONFIG
         _ = self.request.translate
         self.load_default_context()
 
         fname = self.request.matchdict['fname']
         subrepos = self.request.GET.get('subrepos') == 'true'
 
         if not self.db_repo.enable_downloads:
             return Response(_('Downloads disabled'))
 
         try:
             commit_id, ext, fileformat, content_type = \
                 self._get_archive_spec(fname)
         except ValueError:
             return Response(_('Unknown archive type for: `{}`').format(
                 h.escape(fname)))
 
         try:
             commit = self.rhodecode_vcs_repo.get_commit(commit_id)
         except CommitDoesNotExistError:
             return Response(_('Unknown commit_id {}').format(
                 h.escape(commit_id)))
         except EmptyRepositoryError:
             return Response(_('Empty repository'))
 
         archive_name = '%s-%s%s%s' % (
             safe_str(self.db_repo_name.replace('/', '_')),
             '-sub' if subrepos else '',
             safe_str(commit.short_id), ext)
 
         use_cached_archive = False
         archive_cache_enabled = CONFIG.get(
             'archive_cache_dir') and not self.request.GET.get('no_cache')
 
         if archive_cache_enabled:
             # check if we it's ok to write
             if not os.path.isdir(CONFIG['archive_cache_dir']):
                 os.makedirs(CONFIG['archive_cache_dir'])
             cached_archive_path = os.path.join(
                 CONFIG['archive_cache_dir'], archive_name)
             if os.path.isfile(cached_archive_path):
                 log.debug('Found cached archive in %s', cached_archive_path)
                 fd, archive = None, cached_archive_path
                 use_cached_archive = True
             else:
                 log.debug('Archive %s is not yet cached', archive_name)
 
         if not use_cached_archive:
             # generate new archive
             fd, archive = tempfile.mkstemp()
             log.debug('Creating new temp archive in %s', archive)
             try:
                 commit.archive_repo(archive, kind=fileformat, subrepos=subrepos)
             except ImproperArchiveTypeError:
                 return _('Unknown archive type')
             if archive_cache_enabled:
                 # if we generated the archive and we have cache enabled
                 # let's use this for future
                 log.debug('Storing new archive in %s', cached_archive_path)
                 shutil.move(archive, cached_archive_path)
                 archive = cached_archive_path
 
         # store download action
         audit_logger.store_web(
             'repo.archive.download', action_data={
                 'user_agent': self.request.user_agent,
                 'archive_name': archive_name,
                 'archive_spec': fname,
                 'archive_cached': use_cached_archive},
             user=self._rhodecode_user,
             repo=self.db_repo,
             commit=True
         )
 
         def get_chunked_archive(archive):
             with open(archive, 'rb') as stream:
                 while True:
                     data = stream.read(16 * 1024)
                     if not data:
                         if fd:  # fd means we used temporary file
                             os.close(fd)
                         if not archive_cache_enabled:
                             log.debug('Destroying temp archive %s', archive)
                             os.remove(archive)
                         break
                     yield data
 
         response = Response(app_iter=get_chunked_archive(archive))
         response.content_disposition = str(
             'attachment; filename=%s' % archive_name)
         response.content_type = str(content_type)
 
         return response
 
     def _get_file_node(self, commit_id, f_path):
         if commit_id not in ['', None, 'None', '0' * 12, '0' * 40]:
             commit = self.rhodecode_vcs_repo.get_commit(commit_id=commit_id)
             try:
                 node = commit.get_node(f_path)
                 if node.is_dir():
                     raise NodeError('%s path is a %s not a file'
                                     % (node, type(node)))
             except NodeDoesNotExistError:
                 commit = EmptyCommit(
                     commit_id=commit_id,
                     idx=commit.idx,
                     repo=commit.repository,
                     alias=commit.repository.alias,
                     message=commit.message,
                     author=commit.author,
                     date=commit.date)
                 node = FileNode(f_path, '', commit=commit)
         else:
             commit = EmptyCommit(
                 repo=self.rhodecode_vcs_repo,
                 alias=self.rhodecode_vcs_repo.alias)
             node = FileNode(f_path, '', commit=commit)
         return node
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files_diff', request_method='GET',
         renderer=None)
     def repo_files_diff(self):
         c = self.load_default_context()
         f_path = self._get_f_path(self.request.matchdict)
         diff1 = self.request.GET.get('diff1', '')
         diff2 = self.request.GET.get('diff2', '')
 
         path1, diff1 = parse_path_ref(diff1, default_path=f_path)
 
         ignore_whitespace = str2bool(self.request.GET.get('ignorews'))
         line_context = self.request.GET.get('context', 3)
 
         if not any((diff1, diff2)):
             h.flash(
                 'Need query parameter "diff1" or "diff2" to generate a diff.',
                 category='error')
             raise HTTPBadRequest()
 
         c.action = self.request.GET.get('diff')
         if c.action not in ['download', 'raw']:
             compare_url = h.route_path(
                 'repo_compare',
                 repo_name=self.db_repo_name,
                 source_ref_type='rev',
                 source_ref=diff1,
                 target_repo=self.db_repo_name,
                 target_ref_type='rev',
                 target_ref=diff2,
                 _query=dict(f_path=f_path))
             # redirect to new view if we render diff
             raise HTTPFound(compare_url)
 
         try:
             node1 = self._get_file_node(diff1, path1)
             node2 = self._get_file_node(diff2, f_path)
         except (RepositoryError, NodeError):
             log.exception("Exception while trying to get node from repository")
             raise HTTPFound(
                 h.route_path('repo_files', repo_name=self.db_repo_name,
                              commit_id='tip', f_path=f_path))
 
         if all(isinstance(node.commit, EmptyCommit)
                for node in (node1, node2)):
             raise HTTPNotFound()
 
         c.commit_1 = node1.commit
         c.commit_2 = node2.commit
 
         if c.action == 'download':
             _diff = diffs.get_gitdiff(node1, node2,
                                       ignore_whitespace=ignore_whitespace,
                                       context=line_context)
             diff = diffs.DiffProcessor(_diff, format='gitdiff')
 
             response = Response(self.path_filter.get_raw_patch(diff))
             response.content_type = 'text/plain'
             response.content_disposition = (
                 'attachment; filename=%s_%s_vs_%s.diff' % (f_path, diff1, diff2)
             )
             charset = self._get_default_encoding(c)
             if charset:
                 response.charset = charset
             return response
 
         elif c.action == 'raw':
             _diff = diffs.get_gitdiff(node1, node2,
                                       ignore_whitespace=ignore_whitespace,
                                       context=line_context)
             diff = diffs.DiffProcessor(_diff, format='gitdiff')
 
             response = Response(self.path_filter.get_raw_patch(diff))
             response.content_type = 'text/plain'
             charset = self._get_default_encoding(c)
             if charset:
                 response.charset = charset
             return response
 
         # in case we ever end up here
         raise HTTPNotFound()
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files_diff_2way_redirect', request_method='GET',
         renderer=None)
     def repo_files_diff_2way_redirect(self):
         """
         Kept only to make OLD links work
         """
         f_path = self._get_f_path_unchecked(self.request.matchdict)
         diff1 = self.request.GET.get('diff1', '')
         diff2 = self.request.GET.get('diff2', '')
 
         if not any((diff1, diff2)):
             h.flash(
                 'Need query parameter "diff1" or "diff2" to generate a diff.',
                 category='error')
             raise HTTPBadRequest()
 
         compare_url = h.route_path(
             'repo_compare',
             repo_name=self.db_repo_name,
             source_ref_type='rev',
             source_ref=diff1,
             target_ref_type='rev',
             target_ref=diff2,
             _query=dict(f_path=f_path, diffmode='sideside',
                         target_repo=self.db_repo_name,))
         raise HTTPFound(compare_url)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files', request_method='GET',
         renderer=None)
     @view_config(
         route_name='repo_files:default_path', request_method='GET',
         renderer=None)
     @view_config(
         route_name='repo_files:default_commit', request_method='GET',
         renderer=None)
     @view_config(
         route_name='repo_files:rendered', request_method='GET',
         renderer=None)
     @view_config(
         route_name='repo_files:annotated', request_method='GET',
         renderer=None)
     def repo_files(self):
         c = self.load_default_context()
 
         view_name = getattr(self.request.matched_route, 'name', None)
 
         c.annotate = view_name == 'repo_files:annotated'
         # default is false, but .rst/.md files later are auto rendered, we can
         # overwrite auto rendering by setting this GET flag
         c.renderer = view_name == 'repo_files:rendered' or \
                         not self.request.GET.get('no-render', False)
 
         # redirect to given commit_id from form if given
         get_commit_id = self.request.GET.get('at_rev', None)
         if get_commit_id:
             self._get_commit_or_redirect(get_commit_id)
 
         commit_id, f_path = self._get_commit_and_path()
         c.commit = self._get_commit_or_redirect(commit_id)
         c.branch = self.request.GET.get('branch', None)
         c.f_path = f_path
 
         # prev link
         try:
             prev_commit = c.commit.prev(c.branch)
             c.prev_commit = prev_commit
             c.url_prev = h.route_path(
                 'repo_files', repo_name=self.db_repo_name,
                 commit_id=prev_commit.raw_id, f_path=f_path)
             if c.branch:
                 c.url_prev += '?branch=%s' % c.branch
         except (CommitDoesNotExistError, VCSError):
             c.url_prev = '#'
             c.prev_commit = EmptyCommit()
 
         # next link
         try:
             next_commit = c.commit.next(c.branch)
             c.next_commit = next_commit
             c.url_next = h.route_path(
                 'repo_files', repo_name=self.db_repo_name,
                 commit_id=next_commit.raw_id, f_path=f_path)
             if c.branch:
                 c.url_next += '?branch=%s' % c.branch
         except (CommitDoesNotExistError, VCSError):
             c.url_next = '#'
             c.next_commit = EmptyCommit()
 
         # files or dirs
         try:
             c.file = c.commit.get_node(f_path)
             c.file_author = True
             c.file_tree = ''
 
             # load file content
             if c.file.is_file():
                 c.lf_node = c.file.get_largefile_node()
 
                 c.file_source_page = 'true'
                 c.file_last_commit = c.file.last_commit
                 if c.file.size < c.visual.cut_off_limit_diff:
                     if c.annotate:  # annotation has precedence over renderer
                         c.annotated_lines = filenode_as_annotated_lines_tokens(
                             c.file
                         )
                     else:
                         c.renderer = (
                             c.renderer and h.renderer_from_filename(c.file.path)
                         )
                         if not c.renderer:
                             c.lines = filenode_as_lines_tokens(c.file)
 
                 c.on_branch_head = self._is_valid_head(
                     commit_id, self.rhodecode_vcs_repo)
 
                 branch = c.commit.branch if (
                     c.commit.branch and '/' not in c.commit.branch) else None
                 c.branch_or_raw_id = branch or c.commit.raw_id
                 c.branch_name = c.commit.branch or h.short_id(c.commit.raw_id)
 
                 author = c.file_last_commit.author
                 c.authors = [[
                     h.email(author),
                     h.person(author, 'username_or_name_or_email'),
                     1
                 ]]
 
             else:  # load tree content at path
                 c.file_source_page = 'false'
                 c.authors = []
                 # this loads a simple tree without metadata to speed things up
                 # later via ajax we call repo_nodetree_full and fetch whole
                 c.file_tree = self._get_tree_at_commit(
                     c, c.commit.raw_id, f_path)
 
         except RepositoryError as e:
             h.flash(safe_str(h.escape(e)), category='error')
             raise HTTPNotFound()
 
         if self.request.environ.get('HTTP_X_PJAX'):
             html = render('rhodecode:templates/files/files_pjax.mako',
                           self._get_template_context(c), self.request)
         else:
             html = render('rhodecode:templates/files/files.mako',
                           self._get_template_context(c), self.request)
         return Response(html)
 
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files:annotated_previous', request_method='GET',
         renderer=None)
     def repo_files_annotated_previous(self):
         self.load_default_context()
 
         commit_id, f_path = self._get_commit_and_path()
         commit = self._get_commit_or_redirect(commit_id)
         prev_commit_id = commit.raw_id
         line_anchor = self.request.GET.get('line_anchor')
         is_file = False
         try:
             _file = commit.get_node(f_path)
             is_file = _file.is_file()
         except (NodeDoesNotExistError, CommitDoesNotExistError, VCSError):
             pass
 
         if is_file:
             history = commit.get_file_history(f_path)
             prev_commit_id = history[1].raw_id \
                 if len(history) > 1 else prev_commit_id
         prev_url = h.route_path(
             'repo_files:annotated', repo_name=self.db_repo_name,
             commit_id=prev_commit_id, f_path=f_path,
             _anchor='L{}'.format(line_anchor))
 
         raise HTTPFound(prev_url)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_nodetree_full', request_method='GET',
         renderer=None, xhr=True)
     @view_config(
         route_name='repo_nodetree_full:default_path', request_method='GET',
         renderer=None, xhr=True)
     def repo_nodetree_full(self):
         """
         Returns rendered html of file tree that contains commit date,
         author, commit_id for the specified combination of
         repo, commit_id and file path
         """
         c = self.load_default_context()
 
         commit_id, f_path = self._get_commit_and_path()
         commit = self._get_commit_or_redirect(commit_id)
         try:
             dir_node = commit.get_node(f_path)
         except RepositoryError as e:
             return Response('error: {}'.format(h.escape(safe_str(e))))
 
         if dir_node.is_file():
             return Response('')
 
         c.file = dir_node
         c.commit = commit
 
         html = self._get_tree_at_commit(
             c, commit.raw_id, dir_node.path, full_load=True)
 
         return Response(html)
 
     def _get_attachement_disposition(self, f_path):
         return 'attachment; filename=%s' % \
             safe_str(f_path.split(Repository.NAME_SEP)[-1])
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_file_raw', request_method='GET',
         renderer=None)
     def repo_file_raw(self):
         """
         Action for show as raw, some mimetypes are "rendered",
         those include images, icons.
         """
         c = self.load_default_context()
 
         commit_id, f_path = self._get_commit_and_path()
         commit = self._get_commit_or_redirect(commit_id)
         file_node = self._get_filenode_or_redirect(commit, f_path)
 
         raw_mimetype_mapping = {
             # map original mimetype to a mimetype used for "show as raw"
             # you can also provide a content-disposition to override the
             # default "attachment" disposition.
             # orig_type: (new_type, new_dispo)
 
             # show images inline:
             # Do not re-add SVG: it is unsafe and permits XSS attacks. One can
             # for example render an SVG with javascript inside or even render
             # HTML.
             'image/x-icon': ('image/x-icon', 'inline'),
             'image/png': ('image/png', 'inline'),
             'image/gif': ('image/gif', 'inline'),
             'image/jpeg': ('image/jpeg', 'inline'),
             'application/pdf': ('application/pdf', 'inline'),
         }
 
         mimetype = file_node.mimetype
         try:
             mimetype, disposition = raw_mimetype_mapping[mimetype]
         except KeyError:
             # we don't know anything special about this, handle it safely
             if file_node.is_binary:
                 # do same as download raw for binary files
                 mimetype, disposition = 'application/octet-stream', 'attachment'
             else:
                 # do not just use the original mimetype, but force text/plain,
                 # otherwise it would serve text/html and that might be unsafe.
                 # Note: underlying vcs library fakes text/plain mimetype if the
                 # mimetype can not be determined and it thinks it is not
                 # binary.This might lead to erroneous text display in some
                 # cases, but helps in other cases, like with text files
                 # without extension.
                 mimetype, disposition = 'text/plain', 'inline'
 
         if disposition == 'attachment':
             disposition = self._get_attachement_disposition(f_path)
 
         def stream_node():
             yield file_node.raw_bytes
 
         response = Response(app_iter=stream_node())
         response.content_disposition = disposition
         response.content_type = mimetype
 
         charset = self._get_default_encoding(c)
         if charset:
             response.charset = charset
 
         return response
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_file_download', request_method='GET',
         renderer=None)
     @view_config(
         route_name='repo_file_download:legacy', request_method='GET',
         renderer=None)
     def repo_file_download(self):
         c = self.load_default_context()
 
         commit_id, f_path = self._get_commit_and_path()
         commit = self._get_commit_or_redirect(commit_id)
         file_node = self._get_filenode_or_redirect(commit, f_path)
 
         if self.request.GET.get('lf'):
             # only if lf get flag is passed, we download this file
             # as LFS/Largefile
             lf_node = file_node.get_largefile_node()
             if lf_node:
                 # overwrite our pointer with the REAL large-file
                 file_node = lf_node
 
         disposition = self._get_attachement_disposition(f_path)
 
         def stream_node():
             yield file_node.raw_bytes
 
         response = Response(app_iter=stream_node())
         response.content_disposition = disposition
         response.content_type = file_node.mimetype
 
         charset = self._get_default_encoding(c)
         if charset:
             response.charset = charset
 
         return response
 
     def _get_nodelist_at_commit(self, repo_name, repo_id, commit_id, f_path):
 
+        cache_seconds = safe_int(
+            rhodecode.CONFIG.get('rc_cache.cache_repo.expiration_time'))
+        cache_on = cache_seconds > 0
+        log.debug(
+            'Computing FILE SEARCH for repo_id %s commit_id `%s` and path `%s`'
+            'with caching: %s[TTL: %ss]' % (
+                repo_id, commit_id, f_path, cache_on, cache_seconds or 0))
+
         cache_namespace_uid = 'cache_repo.{}'.format(repo_id)
         region = rc_cache.get_or_create_region('cache_repo', cache_namespace_uid)
 
-        @region.cache_on_arguments(namespace=cache_namespace_uid)
+        @region.cache_on_arguments(namespace=cache_namespace_uid,
+                                   should_cache_fn=lambda v: cache_on)
         def compute_file_search(repo_id, commit_id, f_path):
             log.debug('Generating cached nodelist for repo_id:%s, %s, %s',
                       repo_id, commit_id, f_path)
             try:
                 _d, _f = ScmModel().get_nodes(
                     repo_name, commit_id, f_path, flat=False)
             except (RepositoryError, CommitDoesNotExistError, Exception) as e:
                 log.exception(safe_str(e))
                 h.flash(safe_str(h.escape(e)), category='error')
                 raise HTTPFound(h.route_path(
                     'repo_files', repo_name=self.db_repo_name,
                     commit_id='tip', f_path='/'))
             return _d + _f
 
         return compute_file_search(self.db_repo.repo_id, commit_id, f_path)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files_nodelist', request_method='GET',
         renderer='json_ext', xhr=True)
     def repo_nodelist(self):
         self.load_default_context()
 
         commit_id, f_path = self._get_commit_and_path()
         commit = self._get_commit_or_redirect(commit_id)
 
         metadata = self._get_nodelist_at_commit(
             self.db_repo_name, self.db_repo.repo_id, commit.raw_id, f_path)
         return {'nodes': metadata}
 
     def _create_references(
             self, branches_or_tags, symbolic_reference, f_path):
         items = []
         for name, commit_id in branches_or_tags.items():
             sym_ref = symbolic_reference(commit_id, name, f_path)
             items.append((sym_ref, name))
         return items
 
     def _symbolic_reference(self, commit_id, name, f_path):
         return commit_id
 
     def _symbolic_reference_svn(self, commit_id, name, f_path):
         new_f_path = vcspath.join(name, f_path)
         return u'%s@%s' % (new_f_path, commit_id)
 
     def _get_node_history(self, commit_obj, f_path, commits=None):
         """
         get commit history for given node
 
         :param commit_obj: commit to calculate history
         :param f_path: path for node to calculate history for
         :param commits: if passed don't calculate history and take
             commits defined in this list
         """
         _ = self.request.translate
 
         # calculate history based on tip
         tip = self.rhodecode_vcs_repo.get_commit()
         if commits is None:
             pre_load = ["author", "branch"]
             try:
                 commits = tip.get_file_history(f_path, pre_load=pre_load)
             except (NodeDoesNotExistError, CommitError):
                 # this node is not present at tip!
                 commits = commit_obj.get_file_history(f_path, pre_load=pre_load)
 
         history = []
         commits_group = ([], _("Changesets"))
         for commit in commits:
             branch = ' (%s)' % commit.branch if commit.branch else ''
             n_desc = 'r%s:%s%s' % (commit.idx, commit.short_id, branch)
             commits_group[0].append((commit.raw_id, n_desc,))
         history.append(commits_group)
 
         symbolic_reference = self._symbolic_reference
 
         if self.rhodecode_vcs_repo.alias == 'svn':
             adjusted_f_path = RepoFilesView.adjust_file_path_for_svn(
                 f_path, self.rhodecode_vcs_repo)
             if adjusted_f_path != f_path:
                 log.debug(
                     'Recognized svn tag or branch in file "%s", using svn '
                     'specific symbolic references', f_path)
                 f_path = adjusted_f_path
                 symbolic_reference = self._symbolic_reference_svn
 
         branches = self._create_references(
             self.rhodecode_vcs_repo.branches, symbolic_reference, f_path)
         branches_group = (branches, _("Branches"))
 
         tags = self._create_references(
             self.rhodecode_vcs_repo.tags, symbolic_reference, f_path)
         tags_group = (tags, _("Tags"))
 
         history.append(branches_group)
         history.append(tags_group)
 
         return history, commits
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_file_history', request_method='GET',
         renderer='json_ext')
     def repo_file_history(self):
         self.load_default_context()
 
         commit_id, f_path = self._get_commit_and_path()
         commit = self._get_commit_or_redirect(commit_id)
         file_node = self._get_filenode_or_redirect(commit, f_path)
 
         if file_node.is_file():
             file_history, _hist = self._get_node_history(commit, f_path)
 
             res = []
             for obj in file_history:
                 res.append({
                     'text': obj[1],
                     'children': [{'id': o[0], 'text': o[1]} for o in obj[0]]
                 })
 
             data = {
                 'more': False,
                 'results': res
             }
             return data
 
         log.warning('Cannot fetch history for directory')
         raise HTTPBadRequest()
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_file_authors', request_method='GET',
         renderer='rhodecode:templates/files/file_authors_box.mako')
     def repo_file_authors(self):
         c = self.load_default_context()
 
         commit_id, f_path = self._get_commit_and_path()
         commit = self._get_commit_or_redirect(commit_id)
         file_node = self._get_filenode_or_redirect(commit, f_path)
 
         if not file_node.is_file():
             raise HTTPBadRequest()
 
         c.file_last_commit = file_node.last_commit
         if self.request.GET.get('annotate') == '1':
             # use _hist from annotation if annotation mode is on
             commit_ids = set(x[1] for x in file_node.annotate)
             _hist = (
                 self.rhodecode_vcs_repo.get_commit(commit_id)
                 for commit_id in commit_ids)
         else:
             _f_history, _hist = self._get_node_history(commit, f_path)
         c.file_author = False
 
         unique = collections.OrderedDict()
         for commit in _hist:
             author = commit.author
             if author not in unique:
                 unique[commit.author] = [
                     h.email(author),
                     h.person(author, 'username_or_name_or_email'),
                     1  # counter
                 ]
 
             else:
                 # increase counter
                 unique[commit.author][2] += 1
 
         c.authors = [val for val in unique.values()]
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files_remove_file', request_method='GET',
         renderer='rhodecode:templates/files/files_delete.mako')
     def repo_files_remove_file(self):
         _ = self.request.translate
         c = self.load_default_context()
         commit_id, f_path = self._get_commit_and_path()
 
         self._ensure_not_locked()
 
         if not self._is_valid_head(commit_id, self.rhodecode_vcs_repo):
             h.flash(_('You can only delete files with commit '
                       'being a valid branch '), category='warning')
             raise HTTPFound(
                 h.route_path('repo_files',
                              repo_name=self.db_repo_name, commit_id='tip',
                              f_path=f_path))
 
         c.commit = self._get_commit_or_redirect(commit_id)
         c.file = self._get_filenode_or_redirect(c.commit, f_path)
 
         c.default_message = _(
             'Deleted file {} via RhodeCode Enterprise').format(f_path)
         c.f_path = f_path
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='repo_files_delete_file', request_method='POST',
         renderer=None)
     def repo_files_delete_file(self):
         _ = self.request.translate
 
         c = self.load_default_context()
         commit_id, f_path = self._get_commit_and_path()
 
         self._ensure_not_locked()
 
         if not self._is_valid_head(commit_id, self.rhodecode_vcs_repo):
             h.flash(_('You can only delete files with commit '
                       'being a valid branch '), category='warning')
             raise HTTPFound(
                 h.route_path('repo_files',
                              repo_name=self.db_repo_name, commit_id='tip',
                              f_path=f_path))
 
         c.commit = self._get_commit_or_redirect(commit_id)
         c.file = self._get_filenode_or_redirect(c.commit, f_path)
 
         c.default_message = _(
             'Deleted file {} via RhodeCode Enterprise').format(f_path)
         c.f_path = f_path
         node_path = f_path
         author = self._rhodecode_db_user.full_contact
         message = self.request.POST.get('message') or c.default_message
         try:
             nodes = {
                 node_path: {
                     'content': ''
                 }
             }
             ScmModel().delete_nodes(
                 user=self._rhodecode_db_user.user_id, repo=self.db_repo,
                 message=message,
                 nodes=nodes,
                 parent_commit=c.commit,
                 author=author,
             )
 
             h.flash(
                 _('Successfully deleted file `{}`').format(
                     h.escape(f_path)), category='success')
         except Exception:
             log.exception('Error during commit operation')
             h.flash(_('Error occurred during commit'), category='error')
         raise HTTPFound(
             h.route_path('repo_commit', repo_name=self.db_repo_name,
                          commit_id='tip'))
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files_edit_file', request_method='GET',
         renderer='rhodecode:templates/files/files_edit.mako')
     def repo_files_edit_file(self):
         _ = self.request.translate
         c = self.load_default_context()
         commit_id, f_path = self._get_commit_and_path()
 
         self._ensure_not_locked()
 
         if not self._is_valid_head(commit_id, self.rhodecode_vcs_repo):
             h.flash(_('You can only edit files with commit '
                       'being a valid branch '), category='warning')
             raise HTTPFound(
                 h.route_path('repo_files',
                              repo_name=self.db_repo_name, commit_id='tip',
                              f_path=f_path))
 
         c.commit = self._get_commit_or_redirect(commit_id)
         c.file = self._get_filenode_or_redirect(c.commit, f_path)
 
         if c.file.is_binary:
             files_url = h.route_path(
                 'repo_files',
                 repo_name=self.db_repo_name,
                 commit_id=c.commit.raw_id, f_path=f_path)
             raise HTTPFound(files_url)
 
         c.default_message = _(
             'Edited file {} via RhodeCode Enterprise').format(f_path)
         c.f_path = f_path
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='repo_files_update_file', request_method='POST',
         renderer=None)
     def repo_files_update_file(self):
         _ = self.request.translate
         c = self.load_default_context()
         commit_id, f_path = self._get_commit_and_path()
 
         self._ensure_not_locked()
 
         if not self._is_valid_head(commit_id, self.rhodecode_vcs_repo):
             h.flash(_('You can only edit files with commit '
                       'being a valid branch '), category='warning')
             raise HTTPFound(
                 h.route_path('repo_files',
                              repo_name=self.db_repo_name, commit_id='tip',
                              f_path=f_path))
 
         c.commit = self._get_commit_or_redirect(commit_id)
         c.file = self._get_filenode_or_redirect(c.commit, f_path)
 
         if c.file.is_binary:
             raise HTTPFound(
                 h.route_path('repo_files',
                              repo_name=self.db_repo_name,
                              commit_id=c.commit.raw_id,
                              f_path=f_path))
 
         c.default_message = _(
             'Edited file {} via RhodeCode Enterprise').format(f_path)
         c.f_path = f_path
         old_content = c.file.content
         sl = old_content.splitlines(1)
         first_line = sl[0] if sl else ''
 
         r_post = self.request.POST
         # modes:  0 - Unix, 1 - Mac, 2 - DOS
         mode = detect_mode(first_line, 0)
         content = convert_line_endings(r_post.get('content', ''), mode)
 
         message = r_post.get('message') or c.default_message
         org_f_path = c.file.unicode_path
         filename = r_post['filename']
         org_filename = c.file.name
 
         if content == old_content and filename == org_filename:
             h.flash(_('No changes'), category='warning')
             raise HTTPFound(
                 h.route_path('repo_commit', repo_name=self.db_repo_name,
                              commit_id='tip'))
         try:
             mapping = {
                 org_f_path: {
                     'org_filename': org_f_path,
                     'filename': os.path.join(c.file.dir_path, filename),
                     'content': content,
                     'lexer': '',
                     'op': 'mod',
                 }
             }
 
             ScmModel().update_nodes(
                 user=self._rhodecode_db_user.user_id,
                 repo=self.db_repo,
                 message=message,
                 nodes=mapping,
                 parent_commit=c.commit,
             )
 
             h.flash(
                 _('Successfully committed changes to file `{}`').format(
                     h.escape(f_path)), category='success')
         except Exception:
             log.exception('Error occurred during commit')
             h.flash(_('Error occurred during commit'), category='error')
         raise HTTPFound(
             h.route_path('repo_commit', repo_name=self.db_repo_name,
                          commit_id='tip'))
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     @view_config(
         route_name='repo_files_add_file', request_method='GET',
         renderer='rhodecode:templates/files/files_add.mako')
     def repo_files_add_file(self):
         _ = self.request.translate
         c = self.load_default_context()
         commit_id, f_path = self._get_commit_and_path()
 
         self._ensure_not_locked()
 
         c.commit = self._get_commit_or_redirect(commit_id, redirect_after=False)
         if c.commit is None:
             c.commit = EmptyCommit(alias=self.rhodecode_vcs_repo.alias)
         c.default_message = (_('Added file via RhodeCode Enterprise'))
         c.f_path = f_path.lstrip('/')  # ensure not relative path
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='repo_files_create_file', request_method='POST',
         renderer=None)
     def repo_files_create_file(self):
         _ = self.request.translate
         c = self.load_default_context()
         commit_id, f_path = self._get_commit_and_path()
 
         self._ensure_not_locked()
 
         r_post = self.request.POST
 
         c.commit = self._get_commit_or_redirect(
             commit_id, redirect_after=False)
         if c.commit is None:
             c.commit = EmptyCommit(alias=self.rhodecode_vcs_repo.alias)
         c.default_message = (_('Added file via RhodeCode Enterprise'))
         c.f_path = f_path
         unix_mode = 0
         content = convert_line_endings(r_post.get('content', ''), unix_mode)
 
         message = r_post.get('message') or c.default_message
         filename = r_post.get('filename')
         location = r_post.get('location', '')  # dir location
         file_obj = r_post.get('upload_file', None)
 
         if file_obj is not None and hasattr(file_obj, 'filename'):
             filename = r_post.get('filename_upload')
             content = file_obj.file
 
             if hasattr(content, 'file'):
                 # non posix systems store real file under file attr
                 content = content.file
 
         if self.rhodecode_vcs_repo.is_empty:
             default_redirect_url = h.route_path(
                 'repo_summary', repo_name=self.db_repo_name)
         else:
             default_redirect_url = h.route_path(
                 'repo_commit', repo_name=self.db_repo_name, commit_id='tip')
 
         # If there's no commit, redirect to repo summary
         if type(c.commit) is EmptyCommit:
             redirect_url = h.route_path(
                 'repo_summary', repo_name=self.db_repo_name)
         else:
             redirect_url = default_redirect_url
 
         if not filename:
             h.flash(_('No filename'), category='warning')
             raise HTTPFound(redirect_url)
 
         # extract the location from filename,
         # allows using foo/bar.txt syntax to create subdirectories
         subdir_loc = filename.rsplit('/', 1)
         if len(subdir_loc) == 2:
             location = os.path.join(location, subdir_loc[0])
 
         # strip all crap out of file, just leave the basename
         filename = os.path.basename(filename)
         node_path = os.path.join(location, filename)
         author = self._rhodecode_db_user.full_contact
 
         try:
             nodes = {
                 node_path: {
                     'content': content
                 }
             }
             ScmModel().create_nodes(
                 user=self._rhodecode_db_user.user_id,
                 repo=self.db_repo,
                 message=message,
                 nodes=nodes,
                 parent_commit=c.commit,
                 author=author,
             )
 
             h.flash(
                 _('Successfully committed new file `{}`').format(
                     h.escape(node_path)), category='success')
         except NonRelativePathError:
             log.exception('Non Relative path found')
             h.flash(_(
                 'The location specified must be a relative path and must not '
                 'contain .. in the path'), category='warning')
             raise HTTPFound(default_redirect_url)
         except (NodeError, NodeAlreadyExistsError) as e:
             h.flash(_(h.escape(e)), category='error')
         except Exception:
             log.exception('Error occurred during commit')
             h.flash(_('Error occurred during commit'), category='error')
 
         raise HTTPFound(default_redirect_url)

rhodecode/apps/repository/views/repo_summary.py

@@ -1,369 +1,379 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import logging
 import string
+import rhodecode
 
 from pyramid.view import view_config
 from beaker.cache import cache_region
 
 from rhodecode.controllers import utils
 from rhodecode.apps._base import RepoAppView
 from rhodecode.config.conf import (LANGUAGES_EXTENSIONS_MAP)
 from rhodecode.lib import helpers as h, rc_cache
 from rhodecode.lib.utils2 import safe_str, safe_int
 from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from rhodecode.lib.markup_renderer import MarkupRenderer, relative_links
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 from rhodecode.lib.vcs.exceptions import (
     CommitError, EmptyRepositoryError, CommitDoesNotExistError)
 from rhodecode.model.db import Statistics, CacheKey, User
 from rhodecode.model.meta import Session
 from rhodecode.model.repo import ReadmeFinder
 from rhodecode.model.scm import ScmModel
 
 log = logging.getLogger(__name__)
 
 
 class RepoSummaryView(RepoAppView):
 
     def load_default_context(self):
         c = self._get_local_tmpl_context(include_app_defaults=True)
         c.rhodecode_repo = None
         if not c.repository_requirements_missing:
             c.rhodecode_repo = self.rhodecode_vcs_repo
         return c
 
     def _get_readme_data(self, db_repo, default_renderer):
         repo_name = db_repo.repo_name
         log.debug('Looking for README file')
 
         @cache_region('long_term')
         def _generate_readme(cache_key):
             readme_data = None
             readme_node = None
             readme_filename = None
             commit = self._get_landing_commit_or_none(db_repo)
             if commit:
                 log.debug("Searching for a README file.")
                 readme_node = ReadmeFinder(default_renderer).search(commit)
             if readme_node:
                 relative_urls = {
                     'raw': h.route_path(
                         'repo_file_raw', repo_name=repo_name,
                         commit_id=commit.raw_id, f_path=readme_node.path),
                     'standard': h.route_path(
                         'repo_files', repo_name=repo_name,
                         commit_id=commit.raw_id, f_path=readme_node.path),
                 }
                 readme_data = self._render_readme_or_none(
                     commit, readme_node, relative_urls)
                 readme_filename = readme_node.path
             return readme_data, readme_filename
 
         invalidator_context = CacheKey.repo_context_cache(
             _generate_readme, repo_name, CacheKey.CACHE_TYPE_README)
 
         with invalidator_context as context:
             context.invalidate()
             computed = context.compute()
 
         return computed
 
     def _get_landing_commit_or_none(self, db_repo):
         log.debug("Getting the landing commit.")
         try:
             commit = db_repo.get_landing_commit()
             if not isinstance(commit, EmptyCommit):
                 return commit
             else:
                 log.debug("Repository is empty, no README to render.")
         except CommitError:
             log.exception(
                 "Problem getting commit when trying to render the README.")
 
     def _render_readme_or_none(self, commit, readme_node, relative_urls):
         log.debug(
             'Found README file `%s` rendering...', readme_node.path)
         renderer = MarkupRenderer()
         try:
             html_source = renderer.render(
                 readme_node.content, filename=readme_node.path)
             if relative_urls:
                 return relative_links(html_source, relative_urls)
             return html_source
         except Exception:
             log.exception(
                 "Exception while trying to render the README")
 
     def _load_commits_context(self, c):
         p = safe_int(self.request.GET.get('page'), 1)
         size = safe_int(self.request.GET.get('size'), 10)
 
         def url_generator(**kw):
             query_params = {
                 'size': size
             }
             query_params.update(kw)
             return h.route_path(
                 'repo_summary_commits',
                 repo_name=c.rhodecode_db_repo.repo_name, _query=query_params)
 
         pre_load = ['author', 'branch', 'date', 'message']
         try:
             collection = self.rhodecode_vcs_repo.get_commits(pre_load=pre_load)
         except EmptyRepositoryError:
             collection = self.rhodecode_vcs_repo
 
         c.repo_commits = h.RepoPage(
             collection, page=p, items_per_page=size, url=url_generator)
         page_ids = [x.raw_id for x in c.repo_commits]
         c.comments = self.db_repo.get_comments(page_ids)
         c.statuses = self.db_repo.statuses(page_ids)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_summary_commits', request_method='GET',
         renderer='rhodecode:templates/summary/summary_commits.mako')
     def summary_commits(self):
         c = self.load_default_context()
         self._load_commits_context(c)
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_summary', request_method='GET',
         renderer='rhodecode:templates/summary/summary.mako')
     @view_config(
         route_name='repo_summary_slash', request_method='GET',
         renderer='rhodecode:templates/summary/summary.mako')
     @view_config(
         route_name='repo_summary_explicit', request_method='GET',
         renderer='rhodecode:templates/summary/summary.mako')
     def summary(self):
         c = self.load_default_context()
 
         # Prepare the clone URL
         username = ''
         if self._rhodecode_user.username != User.DEFAULT_USER:
             username = safe_str(self._rhodecode_user.username)
 
         _def_clone_uri = _def_clone_uri_id = c.clone_uri_tmpl
         _def_clone_uri_ssh = c.clone_uri_ssh_tmpl
 
         if '{repo}' in _def_clone_uri:
             _def_clone_uri_id = _def_clone_uri.replace(
                 '{repo}', '_{repoid}')
         elif '{repoid}' in _def_clone_uri:
             _def_clone_uri_id = _def_clone_uri.replace(
                 '_{repoid}', '{repo}')
 
         c.clone_repo_url = self.db_repo.clone_url(
             user=username, uri_tmpl=_def_clone_uri)
         c.clone_repo_url_id = self.db_repo.clone_url(
             user=username, uri_tmpl=_def_clone_uri_id)
         c.clone_repo_url_ssh = self.db_repo.clone_url(
             uri_tmpl=_def_clone_uri_ssh, ssh=True)
 
         # If enabled, get statistics data
 
         c.show_stats = bool(self.db_repo.enable_statistics)
 
         stats = Session().query(Statistics) \
             .filter(Statistics.repository == self.db_repo) \
             .scalar()
 
         c.stats_percentage = 0
 
         if stats and stats.languages:
             c.no_data = False is self.db_repo.enable_statistics
             lang_stats_d = json.loads(stats.languages)
 
             # Sort first by decreasing count and second by the file extension,
             # so we have a consistent output.
             lang_stats_items = sorted(lang_stats_d.iteritems(),
                                       key=lambda k: (-k[1], k[0]))[:10]
             lang_stats = [(x, {"count": y,
                                "desc": LANGUAGES_EXTENSIONS_MAP.get(x)})
                           for x, y in lang_stats_items]
 
             c.trending_languages = json.dumps(lang_stats)
         else:
             c.no_data = True
             c.trending_languages = json.dumps({})
 
         scm_model = ScmModel()
         c.enable_downloads = self.db_repo.enable_downloads
         c.repository_followers = scm_model.get_followers(self.db_repo)
         c.repository_forks = scm_model.get_forks(self.db_repo)
         c.repository_is_user_following = scm_model.is_following_repo(
             self.db_repo_name, self._rhodecode_user.user_id)
 
         # first interaction with the VCS instance after here...
         if c.repository_requirements_missing:
             self.request.override_renderer = \
                 'rhodecode:templates/summary/missing_requirements.mako'
             return self._get_template_context(c)
 
         c.readme_data, c.readme_file = \
             self._get_readme_data(self.db_repo, c.visual.default_renderer)
 
         # loads the summary commits template context
         self._load_commits_context(c)
 
         return self._get_template_context(c)
 
     def get_request_commit_id(self):
         return self.request.matchdict['commit_id']
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_stats', request_method='GET',
         renderer='json_ext')
     def repo_stats(self):
         commit_id = self.get_request_commit_id()
         show_stats = bool(self.db_repo.enable_statistics)
         repo_id = self.db_repo.repo_id
 
+        cache_seconds = safe_int(
+            rhodecode.CONFIG.get('rc_cache.cache_repo.expiration_time'))
+        cache_on = cache_seconds > 0
+        log.debug(
+            'Computing REPO TREE for repo_id %s commit_id `%s` '
+            'with caching: %s[TTL: %ss]' % (
+                repo_id, commit_id, cache_on, cache_seconds or 0))
+
         cache_namespace_uid = 'cache_repo.{}'.format(repo_id)
         region = rc_cache.get_or_create_region('cache_repo', cache_namespace_uid)
 
-        @region.cache_on_arguments(namespace=cache_namespace_uid)
+        @region.cache_on_arguments(namespace=cache_namespace_uid,
+                                   should_cache_fn=lambda v: cache_on)
         def compute_stats(repo_id, commit_id, show_stats):
             code_stats = {}
             size = 0
             try:
                 scm_instance = self.db_repo.scm_instance()
                 commit = scm_instance.get_commit(commit_id)
 
                 for node in commit.get_filenodes_generator():
                     size += node.size
                     if not show_stats:
                         continue
                     ext = string.lower(node.extension)
                     ext_info = LANGUAGES_EXTENSIONS_MAP.get(ext)
                     if ext_info:
                         if ext in code_stats:
                             code_stats[ext]['count'] += 1
                         else:
                             code_stats[ext] = {"count": 1, "desc": ext_info}
             except (EmptyRepositoryError, CommitDoesNotExistError):
                 pass
             return {'size': h.format_byte_size_binary(size),
                     'code_stats': code_stats}
 
         stats = compute_stats(self.db_repo.repo_id, commit_id, show_stats)
         return stats
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_refs_data', request_method='GET',
         renderer='json_ext')
     def repo_refs_data(self):
         _ = self.request.translate
         self.load_default_context()
 
         repo = self.rhodecode_vcs_repo
         refs_to_create = [
             (_("Branch"), repo.branches, 'branch'),
             (_("Tag"), repo.tags, 'tag'),
             (_("Bookmark"), repo.bookmarks, 'book'),
         ]
         res = self._create_reference_data(
             repo, self.db_repo_name, refs_to_create)
         data = {
             'more': False,
             'results': res
         }
         return data
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_refs_changelog_data', request_method='GET',
         renderer='json_ext')
     def repo_refs_changelog_data(self):
         _ = self.request.translate
         self.load_default_context()
 
         repo = self.rhodecode_vcs_repo
 
         refs_to_create = [
             (_("Branches"), repo.branches, 'branch'),
             (_("Closed branches"), repo.branches_closed, 'branch_closed'),
             # TODO: enable when vcs can handle bookmarks filters
             # (_("Bookmarks"), repo.bookmarks, "book"),
         ]
         res = self._create_reference_data(
             repo, self.db_repo_name, refs_to_create)
         data = {
             'more': False,
             'results': res
         }
         return data
 
     def _create_reference_data(self, repo, full_repo_name, refs_to_create):
         format_ref_id = utils.get_format_ref_id(repo)
 
         result = []
         for title, refs, ref_type in refs_to_create:
             if refs:
                 result.append({
                     'text': title,
                     'children': self._create_reference_items(
                         repo, full_repo_name, refs, ref_type,
                         format_ref_id),
                 })
         return result
 
     def _create_reference_items(self, repo, full_repo_name, refs, ref_type,
                                 format_ref_id):
         result = []
         is_svn = h.is_svn(repo)
         for ref_name, raw_id in refs.iteritems():
             files_url = self._create_files_url(
                 repo, full_repo_name, ref_name, raw_id, is_svn)
             result.append({
                 'text': ref_name,
                 'id': format_ref_id(ref_name, raw_id),
                 'raw_id': raw_id,
                 'type': ref_type,
                 'files_url': files_url,
             })
         return result
 
     def _create_files_url(self, repo, full_repo_name, ref_name, raw_id, is_svn):
         use_commit_id = '/' in ref_name or is_svn
         return h.route_path(
             'repo_files',
             repo_name=full_repo_name,
             f_path=ref_name if is_svn else '',
             commit_id=raw_id if use_commit_id else ref_name,
             _query=dict(at=ref_name))