Files
galaxy/scripts/external_chown_script.py
T

59 lines
1.8 KiB
Python
Executable File

#!/usr/bin/env python
import os
import sys
# you may configure the paths below which modifications are allowed.
# should contain the full paths to job_working_directory and new_file_path.
# if set to None every file can be modified by the script.
# this can increase security in particular if write access to this
# script is removed by the admin.
#
# ALLOWED_PATHS = [ "job_working_directory", "new_file_path" ]
ALLOWED_PATHS = None
def validate_paramters():
if len(sys.argv) < 4:
sys.stderr.write("usage: %s path user_name gid\n" % sys.argv[0])
exit(1)
path = os.path.abspath( sys.argv[1] )
if ALLOWED_PATHS == None:
allowed = True
else:
allowed = False
for p in ALLOWED_PATHS:
if path.startswith( p ):
allowed = True
break
if not allowed:
sys.stderr.write( "owner and group modifications in %s are not allowed\n" %path )
sys.exit( 1 )
galaxy_user_name = sys.argv[2]
gid = sys.argv[3]
return path, galaxy_user_name, gid
def main():
path, galaxy_user_name, gid = validate_paramters()
cmd = [ 'chown', '-Rh', galaxy_user_name, path ]
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdoutdata, stderrdata) = p.communicate()
exitcode = p.returncode
if exitcode != 0:
sys.stderr.write("external_chown_script: could not chown\ncmd was %s\n"% " ".join(cmd))
raise exit(1)
cmd = [ 'chgrp', '-Rh', gid, path ]
p = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdoutdata, stderrdata) = p.communicate()
exitcode = p.returncode
if exitcode != 0:
sys.stderr.write("external_chown_script: could not chgrp\ncmd was %s\n"% " ".join(cmd))
raise exit(1)
if __name__ == "__main__":
main()