"""

Routes configuration

The more specific and detailed routes should be defined first so they

may take precedent over the more generic routes. For more information

refer to the routes manual at http://routes.groovie.org/docs/

"""

from __future__ import with_statement

from routes import Mapper

# prefix for non repository related links needs to be prefixed with `/`

ADMIN_PREFIX = '/_admin'

def make_map(config):

    """Create, configure and return the routes Mapper"""

    rmap = Mapper(directory=config['pylons.paths']['controllers'],

                 always_scan=config['debug'])

    rmap.minimization = False

    rmap.explicit = False

    from rhodecode.lib.utils import is_valid_repo

    from rhodecode.lib.utils import is_valid_repos_group

    def check_repo(environ, match_dict):

        """

        check for valid repository for proper 404 handling

        :param environ:

        :param match_dict:

        """

        from rhodecode.model.db import Repository

        repo_name = match_dict.get('repo_name')

        try:

            by_id = repo_name.split('_')

            if len(by_id) == 2 and by_id[1].isdigit():

                repo_name = Repository.get(by_id[1]).repo_name

                match_dict['repo_name'] = repo_name

        except:

            pass

        return is_valid_repo(repo_name, config['base_path'])

    def check_group(environ, match_dict):

        """

        check for valid repositories group for proper 404 handling

        :param environ:

        :param match_dict:

        """

        repos_group_name = match_dict.get('group_name')

        return is_valid_repos_group(repos_group_name, config['base_path'])

    def check_int(environ, match_dict):

        return match_dict.get('id').isdigit()

    # The ErrorController route (handles 404/500 error pages); it should

    # likely stay at the top, ensuring it can always be resolved

    rmap.connect('/error/{action}', controller='error')

    rmap.connect('/error/{action}/{id}', controller='error')

    #==========================================================================

    # CUSTOM ROUTES HERE

    #==========================================================================

    #MAIN PAGE

    rmap.connect('home', '/', controller='home', action='index')

    rmap.connect('repo_switcher', '/repos', controller='home',

                 action='repo_switcher')

    rmap.connect('branch_tag_switcher', '/branches-tags/{repo_name:.*}',

                 controller='home', action='branch_tag_switcher')

    rmap.connect('bugtracker',

                 "http://bitbucket.org/marcinkuzminski/rhodecode/issues",

                 _static=True)

    rmap.connect('rst_help',

                 "http://docutils.sourceforge.net/docs/user/rst/quickref.html",

                 _static=True)

    rmap.connect('rhodecode_official', "http://rhodecode.org", _static=True)

    #ADMIN REPOSITORY REST ROUTES

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/repos') as m:

        m.connect("repos", "/repos",

             action="create", conditions=dict(method=["POST"]))

        m.connect("repos", "/repos",

             action="index", conditions=dict(method=["GET"]))

        m.connect("formatted_repos", "/repos.{format}",

             action="index",

            conditions=dict(method=["GET"]))

        m.connect("new_repo", "/repos/new",

             action="new", conditions=dict(method=["GET"]))

        m.connect("formatted_new_repo", "/repos/new.{format}",

             action="new", conditions=dict(method=["GET"]))

        m.connect("/repos/{repo_name:.*}",

             action="update", conditions=dict(method=["PUT"],

                                              function=check_repo))

        m.connect("/repos/{repo_name:.*}",

             action="delete", conditions=dict(method=["DELETE"],

                                              function=check_repo))

        m.connect("edit_repo", "/repos/{repo_name:.*}/edit",

             action="edit", conditions=dict(method=["GET"],

                                            function=check_repo))

        m.connect("formatted_edit_repo", "/repos/{repo_name:.*}.{format}/edit",

             action="edit", conditions=dict(method=["GET"],

                                            function=check_repo))

        m.connect("repo", "/repos/{repo_name:.*}",

             action="show", conditions=dict(method=["GET"],

                                            function=check_repo))

        m.connect("formatted_repo", "/repos/{repo_name:.*}.{format}",

             action="show", conditions=dict(method=["GET"],

                                            function=check_repo))

        #ajax delete repo perm user

        m.connect('delete_repo_user', "/repos_delete_user/{repo_name:.*}",

             action="delete_perm_user",

             conditions=dict(method=["DELETE"], function=check_repo))

        #ajax delete repo perm users_group

        m.connect('delete_repo_users_group',

                  "/repos_delete_users_group/{repo_name:.*}",

                  action="delete_perm_users_group",

                  conditions=dict(method=["DELETE"], function=check_repo))

        #settings actions

        m.connect('repo_stats', "/repos_stats/{repo_name:.*}",

                  action="repo_stats", conditions=dict(method=["DELETE"],

                                                       function=check_repo))

        m.connect('repo_cache', "/repos_cache/{repo_name:.*}",

                  action="repo_cache", conditions=dict(method=["DELETE"],

                                                       function=check_repo))

        m.connect('repo_public_journal', "/repos_public_journal/{repo_name:.*}",

                  action="repo_public_journal", conditions=dict(method=["PUT"],

                                                        function=check_repo))

        m.connect('repo_pull', "/repo_pull/{repo_name:.*}",

                  action="repo_pull", conditions=dict(method=["PUT"],

                                                      function=check_repo))

        m.connect('repo_as_fork', "/repo_as_fork/{repo_name:.*}",

                  action="repo_as_fork", conditions=dict(method=["PUT"],

                                                      function=check_repo))

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/repos_groups') as m:

        m.connect("repos_groups", "/repos_groups",

                  action="create", conditions=dict(method=["POST"]))

        m.connect("repos_groups", "/repos_groups",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("formatted_repos_groups", "/repos_groups.{format}",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("new_repos_group", "/repos_groups/new",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("formatted_new_repos_group", "/repos_groups/new.{format}",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("update_repos_group", "/repos_groups/{id}",

                  action="update", conditions=dict(method=["PUT"],

                                                   function=check_int))

        m.connect("delete_repos_group", "/repos_groups/{id}",

                  action="delete", conditions=dict(method=["DELETE"],

                                                   function=check_int))

        m.connect("edit_repos_group", "/repos_groups/{id}/edit",

                  action="edit", conditions=dict(method=["GET"],

                                                 function=check_int))

        m.connect("formatted_edit_repos_group",

                  "/repos_groups/{id}.{format}/edit",

                  action="edit", conditions=dict(method=["GET"],

                                                 function=check_int))

        m.connect("repos_group", "/repos_groups/{id}",

                  action="show", conditions=dict(method=["GET"],

                                                 function=check_int))

        m.connect("formatted_repos_group", "/repos_groups/{id}.{format}",

                  action="show", conditions=dict(method=["GET"],

                                                 function=check_int))

        # ajax delete repos group perm user

        m.connect('delete_repos_group_user_perm',

                  "/delete_repos_group_user_perm/{group_name:.*}",

             action="delete_repos_group_user_perm",

             conditions=dict(method=["DELETE"], function=check_group))

        # ajax delete repos group perm users_group

        m.connect('delete_repos_group_users_group_perm',

                  "/delete_repos_group_users_group_perm/{group_name:.*}",

                  action="delete_repos_group_users_group_perm",

                  conditions=dict(method=["DELETE"], function=check_group))

    #ADMIN USER REST ROUTES

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/users') as m:

        m.connect("users", "/users",

                  action="create", conditions=dict(method=["POST"]))

        m.connect("users", "/users",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("formatted_users", "/users.{format}",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("new_user", "/users/new",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("formatted_new_user", "/users/new.{format}",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("update_user", "/users/{id}",

                  action="update", conditions=dict(method=["PUT"]))

        m.connect("delete_user", "/users/{id}",

                  action="delete", conditions=dict(method=["DELETE"]))

        m.connect("edit_user", "/users/{id}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("formatted_edit_user",

                  "/users/{id}.{format}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("user", "/users/{id}",

                  action="show", conditions=dict(method=["GET"]))

        m.connect("formatted_user", "/users/{id}.{format}",

                  action="show", conditions=dict(method=["GET"]))

        #EXTRAS USER ROUTES

        m.connect("user_perm", "/users_perm/{id}",

                  action="update_perm", conditions=dict(method=["PUT"]))

    #ADMIN USERS REST ROUTES

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/users_groups') as m:

        m.connect("users_groups", "/users_groups",

                  action="create", conditions=dict(method=["POST"]))

        m.connect("users_groups", "/users_groups",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("formatted_users_groups", "/users_groups.{format}",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("new_users_group", "/users_groups/new",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("formatted_new_users_group", "/users_groups/new.{format}",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("update_users_group", "/users_groups/{id}",

                  action="update", conditions=dict(method=["PUT"]))

        m.connect("delete_users_group", "/users_groups/{id}",

                  action="delete", conditions=dict(method=["DELETE"]))

        m.connect("edit_users_group", "/users_groups/{id}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("formatted_edit_users_group",

                  "/users_groups/{id}.{format}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("users_group", "/users_groups/{id}",

                  action="show", conditions=dict(method=["GET"]))

        m.connect("formatted_users_group", "/users_groups/{id}.{format}",

                  action="show", conditions=dict(method=["GET"]))

        #EXTRAS USER ROUTES

        m.connect("users_group_perm", "/users_groups_perm/{id}",

                  action="update_perm", conditions=dict(method=["PUT"]))

    #ADMIN GROUP REST ROUTES

    rmap.resource('group', 'groups',

                  controller='admin/groups', path_prefix=ADMIN_PREFIX)

    #ADMIN PERMISSIONS REST ROUTES

    rmap.resource('permission', 'permissions',

                  controller='admin/permissions', path_prefix=ADMIN_PREFIX)

    ##ADMIN LDAP SETTINGS

    rmap.connect('ldap_settings', '%s/ldap' % ADMIN_PREFIX,

                 controller='admin/ldap_settings', action='ldap_settings',

                 conditions=dict(method=["POST"]))

    rmap.connect('ldap_home', '%s/ldap' % ADMIN_PREFIX,

                 controller='admin/ldap_settings')

    #ADMIN SETTINGS REST ROUTES

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/settings') as m:

        m.connect("admin_settings", "/settings",

                  action="create", conditions=dict(method=["POST"]))

        m.connect("admin_settings", "/settings",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("formatted_admin_settings", "/settings.{format}",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("admin_new_setting", "/settings/new",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("formatted_admin_new_setting", "/settings/new.{format}",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("/settings/{setting_id}",

                  action="update", conditions=dict(method=["PUT"]))

        m.connect("/settings/{setting_id}",

                  action="delete", conditions=dict(method=["DELETE"]))

        m.connect("admin_edit_setting", "/settings/{setting_id}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("formatted_admin_edit_setting",

                  "/settings/{setting_id}.{format}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("admin_setting", "/settings/{setting_id}",

                  action="show", conditions=dict(method=["GET"]))

        m.connect("formatted_admin_setting", "/settings/{setting_id}.{format}",

                  action="show", conditions=dict(method=["GET"]))

        m.connect("admin_settings_my_account", "/my_account",

                  action="my_account", conditions=dict(method=["GET"]))

        m.connect("admin_settings_my_account_update", "/my_account_update",

                  action="my_account_update", conditions=dict(method=["PUT"]))

        m.connect("admin_settings_create_repository", "/create_repository",

                  action="create_repository", conditions=dict(method=["GET"]))

    #NOTIFICATION REST ROUTES

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/notifications') as m:

        m.connect("notifications", "/notifications",

                  action="create", conditions=dict(method=["POST"]))

        m.connect("notifications", "/notifications",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("notifications_mark_all_read", "/notifications/mark_all_read",

                  action="mark_all_read", conditions=dict(method=["GET"]))

        m.connect("formatted_notifications", "/notifications.{format}",

                  action="index", conditions=dict(method=["GET"]))

        m.connect("new_notification", "/notifications/new",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("formatted_new_notification", "/notifications/new.{format}",

                  action="new", conditions=dict(method=["GET"]))

        m.connect("/notification/{notification_id}",

                  action="update", conditions=dict(method=["PUT"]))

        m.connect("/notification/{notification_id}",

                  action="delete", conditions=dict(method=["DELETE"]))

        m.connect("edit_notification", "/notification/{notification_id}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("formatted_edit_notification",

                  "/notification/{notification_id}.{format}/edit",

                  action="edit", conditions=dict(method=["GET"]))

        m.connect("notification", "/notification/{notification_id}",

                  action="show", conditions=dict(method=["GET"]))

        m.connect("formatted_notification", "/notifications/{notification_id}.{format}",

                  action="show", conditions=dict(method=["GET"]))

    #ADMIN MAIN PAGES

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='admin/admin') as m:

        m.connect('admin_home', '', action='index')

        m.connect('admin_add_repo', '/add_repo/{new_repo:[a-z0-9\. _-]*}',

                  action='add_repo')

    #==========================================================================

    # API V2

    #==========================================================================

    with rmap.submapper(path_prefix=ADMIN_PREFIX,

                        controller='api/api') as m:

        m.connect('api', '/api')

    #USER JOURNAL

    rmap.connect('journal', '%s/journal' % ADMIN_PREFIX, controller='journal')

    rmap.connect('public_journal', '%s/public_journal' % ADMIN_PREFIX,

                 controller='journal', action="public_journal")

    rmap.connect('public_journal_rss', '%s/public_journal_rss' % ADMIN_PREFIX,

                 controller='journal', action="public_journal_rss")

    rmap.connect('public_journal_atom',

                 '%s/public_journal_atom' % ADMIN_PREFIX, controller='journal',

                 action="public_journal_atom")

    rmap.connect('toggle_following', '%s/toggle_following' % ADMIN_PREFIX,

                 controller='journal', action='toggle_following',

                 conditions=dict(method=["POST"]))

    #SEARCH

    rmap.connect('search', '%s/search' % ADMIN_PREFIX, controller='search',)

    rmap.connect('search_repo', '%s/search/{search_repo:.*}' % ADMIN_PREFIX,

                  controller='search')

    #LOGIN/LOGOUT/REGISTER/SIGN IN

    rmap.connect('login_home', '%s/login' % ADMIN_PREFIX, controller='login')

    rmap.connect('logout_home', '%s/logout' % ADMIN_PREFIX, controller='login',

                 action='logout')

    rmap.connect('register', '%s/register' % ADMIN_PREFIX, controller='login',

                 action='register')

    rmap.connect('reset_password', '%s/password_reset' % ADMIN_PREFIX,

                 controller='login', action='password_reset')

    rmap.connect('reset_password_confirmation',

                 '%s/password_reset_confirmation' % ADMIN_PREFIX,

                 controller='login', action='password_reset_confirmation')

    #FEEDS

    rmap.connect('rss_feed_home', '/{repo_name:.*}/feed/rss',

                controller='feed', action='rss',

                conditions=dict(function=check_repo))

    rmap.connect('atom_feed_home', '/{repo_name:.*}/feed/atom',

                controller='feed', action='atom',

                conditions=dict(function=check_repo))

    #==========================================================================

    # REPOSITORY ROUTES

    #==========================================================================

    rmap.connect('summary_home', '/{repo_name:.*}',

                controller='summary',

                conditions=dict(function=check_repo))

    rmap.connect('repos_group_home', '/{group_name:.*}',

                controller='admin/repos_groups', action="show_by_name",

                conditions=dict(function=check_group))

    rmap.connect('changeset_home', '/{repo_name:.*}/changeset/{revision}',

                controller='changeset', revision='tip',

                conditions=dict(function=check_repo))

    rmap.connect('changeset_comment',

                 '/{repo_name:.*}/changeset/{revision}/comment',

                controller='changeset', revision='tip', action='comment',

                conditions=dict(function=check_repo))

    rmap.connect('changeset_comment_delete',

                 '/{repo_name:.*}/changeset/comment/{comment_id}/delete',

                controller='changeset', action='delete_comment',

                conditions=dict(function=check_repo, method=["DELETE"]))

    rmap.connect('raw_changeset_home',

                 '/{repo_name:.*}/raw-changeset/{revision}',

                 controller='changeset', action='raw_changeset',

                 revision='tip', conditions=dict(function=check_repo))

    rmap.connect('summary_home', '/{repo_name:.*}/summary',

                controller='summary', conditions=dict(function=check_repo))

    rmap.connect('shortlog_home', '/{repo_name:.*}/shortlog',

                controller='shortlog', conditions=dict(function=check_repo))

    rmap.connect('branches_home', '/{repo_name:.*}/branches',

                controller='branches', conditions=dict(function=check_repo))

    rmap.connect('tags_home', '/{repo_name:.*}/tags',

                controller='tags', conditions=dict(function=check_repo))

    rmap.connect('bookmarks_home', '/{repo_name:.*}/bookmarks',

                controller='bookmarks', conditions=dict(function=check_repo))

    rmap.connect('changelog_home', '/{repo_name:.*}/changelog',

                controller='changelog', conditions=dict(function=check_repo))

    rmap.connect('changelog_details', '/{repo_name:.*}/changelog_details/{cs}',

                controller='changelog', action='changelog_details',

                conditions=dict(function=check_repo))

    rmap.connect('files_home', '/{repo_name:.*}/files/{revision}/{f_path:.*}',

                controller='files', revision='tip', f_path='',

                conditions=dict(function=check_repo))

    rmap.connect('files_diff_home', '/{repo_name:.*}/diff/{f_path:.*}',

                controller='files', action='diff', revision='tip', f_path='',

                conditions=dict(function=check_repo))

    rmap.connect('files_rawfile_home',

                 '/{repo_name:.*}/rawfile/{revision}/{f_path:.*}',

                 controller='files', action='rawfile', revision='tip',

                 f_path='', conditions=dict(function=check_repo))

    rmap.connect('files_raw_home',

                 '/{repo_name:.*}/raw/{revision}/{f_path:.*}',

                 controller='files', action='raw', revision='tip', f_path='',

                 conditions=dict(function=check_repo))

    rmap.connect('files_annotate_home',

                 '/{repo_name:.*}/annotate/{revision}/{f_path:.*}',

    rmap.connect('files_edit_home',

                 '/{repo_name:.*}/edit/{revision}/{f_path:.*}',

                 controller='files', action='edit', revision='tip',

                 f_path='', conditions=dict(function=check_repo))

    rmap.connect('files_add_home',

                 '/{repo_name:.*}/add/{revision}/{f_path:.*}',

                 controller='files', action='add', revision='tip',

                 f_path='', conditions=dict(function=check_repo))

    rmap.connect('files_archive_home', '/{repo_name:.*}/archive/{fname}',

                controller='files', action='archivefile',

                conditions=dict(function=check_repo))

    rmap.connect('files_nodelist_home',

                 '/{repo_name:.*}/nodelist/{revision}/{f_path:.*}',

                controller='files', action='nodelist',

                conditions=dict(function=check_repo))

    rmap.connect('repo_settings_delete', '/{repo_name:.*}/settings',

                controller='settings', action="delete",

                conditions=dict(method=["DELETE"], function=check_repo))

    rmap.connect('repo_settings_update', '/{repo_name:.*}/settings',

                controller='settings', action="update",

                conditions=dict(method=["PUT"], function=check_repo))

    rmap.connect('repo_settings_home', '/{repo_name:.*}/settings',

                controller='settings', action='index',

                conditions=dict(function=check_repo))

    rmap.connect('repo_fork_create_home', '/{repo_name:.*}/fork',

                controller='forks', action='fork_create',

                conditions=dict(function=check_repo, method=["POST"]))

    rmap.connect('repo_fork_home', '/{repo_name:.*}/fork',

                controller='forks', action='fork',

                conditions=dict(function=check_repo))

    rmap.connect('repo_forks_home', '/{repo_name:.*}/forks',

                 controller='forks', action='forks',

                 conditions=dict(function=check_repo))

    rmap.connect('repo_followers_home', '/{repo_name:.*}/followers',

                 controller='followers', action='followers',

                 conditions=dict(function=check_repo))

    return rmap

# -*- coding: utf-8 -*-

"""

    rhodecode.controllers.files

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Files controller for RhodeCode

    :created_on: Apr 21, 2010

    :author: marcink

    :copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# 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 General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import os

import logging

import traceback

from pylons import request, response, tmpl_context as c, url

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from pylons.decorators import jsonify

from rhodecode.lib import diffs

from rhodecode.lib import helpers as h

from rhodecode.lib.compat import OrderedDict

from rhodecode.lib.utils2 import convert_line_endings, detect_mode, safe_str

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.utils import EmptyChangeset

from rhodecode.lib.vcs.conf import settings

from rhodecode.lib.vcs.exceptions import RepositoryError, \

    ChangesetDoesNotExistError, EmptyRepositoryError, \

    ImproperArchiveTypeError, VCSError, NodeAlreadyExistsError

from rhodecode.lib.vcs.nodes import FileNode

from rhodecode.model.repo import RepoModel

from rhodecode.model.scm import ScmModel

from rhodecode.controllers.changeset import anchor_url, _ignorews_url,\

    _context_url, get_line_ctx, get_ignore_ws

log = logging.getLogger(__name__)

class FilesController(BaseRepoController):

    @LoginRequired()

    def __before__(self):

        super(FilesController, self).__before__()

        c.cut_off_limit = self.cut_off_limit

    def __get_cs_or_redirect(self, rev, repo_name, redirect_after=True):

        """

        Safe way to get changeset if error occur it redirects to tip with

        proper message

        :param rev: revision to fetch

        :param repo_name: repo name to redirect after

        """

        try:

            return c.rhodecode_repo.get_changeset(rev)

        except EmptyRepositoryError, e:

            if not redirect_after:

                return None

            url_ = url('files_add_home',

                       repo_name=c.repo_name,

                       revision=0, f_path='')

            add_new = '<a href="%s">[%s]</a>' % (url_, _('add new'))

            h.flash(h.literal(_('There are no files yet %s' % add_new)),

                    category='warning')

            redirect(h.url('summary_home', repo_name=repo_name))

        except RepositoryError, e:

            h.flash(str(e), category='warning')

            redirect(h.url('files_home', repo_name=repo_name, revision='tip'))

    def __get_filenode_or_redirect(self, repo_name, cs, path):

        """

        Returns file_node, if error occurs or given path is directory,

        it'll redirect to top level path

        :param repo_name: repo_name

        :param cs: given changeset

        :param path: path to lookup

        """

        try:

            file_node = cs.get_node(path)

            if file_node.is_dir():

                raise RepositoryError('given path is a directory')

        except RepositoryError, e:

            h.flash(str(e), category='warning')

            redirect(h.url('files_home', repo_name=repo_name,

                           revision=cs.raw_id))

        return file_node

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

        # redirect to given revision from form if given

        post_revision = request.POST.get('at_rev', None)

        if post_revision:

            cs = self.__get_cs_or_redirect(post_revision, repo_name)

            redirect(url('files_home', repo_name=c.repo_name,

                         revision=cs.raw_id, f_path=f_path))

        c.changeset = self.__get_cs_or_redirect(revision, repo_name)

        c.branch = request.GET.get('branch', None)

        c.f_path = f_path

        cur_rev = c.changeset.revision

        # prev link

        try:

            prev_rev = c.rhodecode_repo.get_changeset(cur_rev).prev(c.branch)

            c.url_prev = url('files_home', repo_name=c.repo_name,

                         revision=prev_rev.raw_id, f_path=f_path)

            if c.branch:

                c.url_prev += '?branch=%s' % c.branch

        except (ChangesetDoesNotExistError, VCSError):

            c.url_prev = '#'

        # next link

        try:

            next_rev = c.rhodecode_repo.get_changeset(cur_rev).next(c.branch)

            c.url_next = url('files_home', repo_name=c.repo_name,

                     revision=next_rev.raw_id, f_path=f_path)

            if c.branch:

                c.url_next += '?branch=%s' % c.branch

        except (ChangesetDoesNotExistError, VCSError):

            c.url_next = '#'

        # files or dirs

        try:

            c.file = c.changeset.get_node(f_path)

            if c.file.is_file():

                c.file_history = self._get_node_history(c.changeset, f_path)

            else:

                c.file_history = []

        except RepositoryError, e:

            h.flash(str(e), category='warning')

            redirect(h.url('files_home', repo_name=repo_name,

                           revision=revision))

        return render('files/files.html')

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def rawfile(self, repo_name, revision, f_path):

        cs = self.__get_cs_or_redirect(revision, repo_name)

        file_node = self.__get_filenode_or_redirect(repo_name, cs, f_path)

        response.content_disposition = 'attachment; filename=%s' % \

            safe_str(f_path.split(os.sep)[-1])

        response.content_type = file_node.mimetype

        return file_node.content

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def raw(self, repo_name, revision, f_path):

        cs = self.__get_cs_or_redirect(revision, repo_name)

        file_node = self.__get_filenode_or_redirect(repo_name, cs, 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:

            'image/x-icon': ('image/x-icon', 'inline'),

            'image/png': ('image/png', 'inline'),

            'image/gif': ('image/gif', 'inline'),

            'image/jpeg': ('image/jpeg', 'inline'),

            'image/svg+xml': ('image/svg+xml', 'inline'),

        }

        mimetype = file_node.mimetype

        try:

            mimetype, dispo = 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, dispo = '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, dispo = 'text/plain', 'inline'

        if dispo == 'attachment':

            dispo = 'attachment; filename=%s' % \

                        safe_str(f_path.split(os.sep)[-1])

        response.content_disposition = dispo

        response.content_type = mimetype

        return file_node.content

    @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')

    def edit(self, repo_name, revision, f_path):

        r_post = request.POST

        c.cs = self.__get_cs_or_redirect(revision, repo_name)

        c.file = self.__get_filenode_or_redirect(repo_name, c.cs, f_path)

        if c.file.is_binary:

            return redirect(url('files_home', repo_name=c.repo_name,

                         revision=c.cs.raw_id, f_path=f_path))

        c.f_path = f_path

        if r_post:

            old_content = c.file.content

            sl = old_content.splitlines(1)

            first_line = sl[0] if sl else ''

            # 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 (_('Edited %s via RhodeCode')

                                                % (f_path))

            author = self.rhodecode_user.full_contact

            if content == old_content:

                h.flash(_('No changes'),

                    category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            try:

                self.scm_model.commit_change(repo=c.rhodecode_repo,

                                             repo_name=repo_name, cs=c.cs,

                                             user=self.rhodecode_user,

                                             author=author, message=message,

                                             content=content, f_path=f_path)

                h.flash(_('Successfully committed to %s' % f_path),

                        category='success')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during commit'), category='error')

            return redirect(url('changeset_home',

                                repo_name=c.repo_name, revision='tip'))

        return render('files/files_edit.html')

    @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')

    def add(self, repo_name, revision, f_path):

        r_post = request.POST

        c.cs = self.__get_cs_or_redirect(revision, repo_name,

                                         redirect_after=False)

        if c.cs is None:

            c.cs = EmptyChangeset(alias=c.rhodecode_repo.alias)

        c.f_path = f_path

        if r_post:

            unix_mode = 0

            content = convert_line_endings(r_post.get('content'), unix_mode)

            message = r_post.get('message') or (_('Added %s via RhodeCode')

                                                % (f_path))

            location = r_post.get('location')

            filename = r_post.get('filename')

            file_obj = r_post.get('upload_file', None)

            if file_obj is not None and hasattr(file_obj, 'filename'):

                filename = file_obj.filename

                content = file_obj.file

            node_path = os.path.join(location, filename)

            author = self.rhodecode_user.full_contact

            if not content:

                h.flash(_('No content'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            if not filename:

                h.flash(_('No filename'), category='warning')

                return redirect(url('changeset_home', repo_name=c.repo_name,

                                    revision='tip'))

            try:

                self.scm_model.create_node(repo=c.rhodecode_repo,

                                             repo_name=repo_name, cs=c.cs,

                                             user=self.rhodecode_user,

                                             author=author, message=message,

                                             content=content, f_path=node_path)

                h.flash(_('Successfully committed to %s' % node_path),

                        category='success')

            except NodeAlreadyExistsError, e:

                h.flash(_(e), category='error')

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during commit'), category='error')

            return redirect(url('changeset_home',

                                repo_name=c.repo_name, revision='tip'))

        return render('files/files_add.html')

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def archivefile(self, repo_name, fname):

        fileformat = None

        revision = None

        ext = None

        subrepos = request.GET.get('subrepos') == 'true'

        for a_type, ext_data in settings.ARCHIVE_SPECS.items():

            archive_spec = fname.split(ext_data[1])

            if len(archive_spec) == 2 and archive_spec[1] == '':

                fileformat = a_type or ext_data[1]

                revision = archive_spec[0]

                ext = ext_data[1]

        try:

            dbrepo = RepoModel().get_by_repo_name(repo_name)

            if dbrepo.enable_downloads is False:

                return _('downloads disabled')

            if c.rhodecode_repo.alias == 'hg':

                # patch and reset hooks section of UI config to not run any

                # hooks on fetching archives with subrepos

                for k, v in c.rhodecode_repo._repo.ui.configitems('hooks'):

                    c.rhodecode_repo._repo.ui.setconfig('hooks', k, None)