Changeset - 6a90b1ebea2c
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Mads Kiilerich (mads) - 5 years ago 2020-11-04 13:19:18
mads@kiilerich.com
Grafted from: 501bdf382118
git: write Git hook files atomically

Make sure we don't follow symlinks or inherit permissions from previously
installed hook.
1 file changed with 7 insertions and 4 deletions:
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kallithea/model/scm.py
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@@ -21,24 +21,25 @@ This file was forked by the Kallithea pr
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Apr 9, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 
import logging
 
import os
 
import posixpath
 
import re
 
import sys
 
import tempfile
 
import traceback
 

	
 
import pkg_resources
 
from tg.i18n import ugettext as _
 

	
 
import kallithea
 
from kallithea.lib.auth import HasPermissionAny, HasRepoGroupPermissionLevel, HasRepoPermissionLevel, HasUserGroupPermissionLevel
 
from kallithea.lib.exceptions import IMCCommitError, NonRelativePathError
 
from kallithea.lib.hooks import process_pushed_raw_ids
 
from kallithea.lib.utils import action_logger, get_filesystem_repos, make_ui
 
from kallithea.lib.utils2 import safe_bytes, safe_str, set_hook_environment
 
from kallithea.lib.vcs import get_repo
 
@@ -693,28 +694,30 @@ class ScmModel(object):
 
                    if matches:
 
                        ver = safe_str(matches.group(1))
 
                        log.debug('Found Kallithea hook - it has KALLITHEA_HOOK_VER %s', ver)
 
                    else:
 
                        log.debug('Found non-Kallithea hook at %s', hook_file)
 
                        other_hook = True
 

	
 
            if other_hook and not force:
 
                log.warning('skipping overwriting hook file %s', hook_file)
 
            else:
 
                log.debug('writing %s hook file !', h_type)
 
                try:
 
                    with open(hook_file, 'wb') as f:
 
                        f.write(tmpl.replace(b'_TMPL_', safe_bytes(kallithea.__version__)))
 
                    os.chmod(hook_file, 0o755)
 
                except IOError as e:
 
                    fh, fn = tempfile.mkstemp(prefix=hook_file + '.tmp.')
 
                    os.write(fh, tmpl.replace(b'_TMPL_', safe_bytes(kallithea.__version__)))
 
                    os.close(fh)
 
                    os.chmod(fn, 0o755)
 
                    os.rename(fn, hook_file)
 
                except (OSError, IOError) as e:
 
                    log.error('error writing hook %s: %s', hook_file, e)
 

	
 

	
 
def AvailableRepoGroupChoices(repo_group_perm_level, extras=()):
 
    """Return group_id,string tuples with choices for all the repo groups where
 
    the user has the necessary permissions.
 

	
 
    Top level is -1.
 
    """
 
    groups = db.RepoGroup.query().all()
 
    if HasPermissionAny('hg.admin')('available repo groups'):
 
        groups.append(None)
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