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CC-3299: Media monitor changes the owner of watched files? 

- media monitor now tries to set the permission to www-data if the file/dir
cannot be read by www-data
This commit is contained in:
James 2012-02-06 12:26:20 -05:00
parent 613006e69c
commit a79dd4fe04
1 changed files with 15 additions and 12 deletions
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27
python_apps/media-monitor/airtimefilemonitor/mediamonitorcommon.py
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@ -46,9 +46,13 @@ class MediaMonitorCommon:
return False return False
#check if file is readable by "nobody" #check if file is readable by "nobody"
def has_correct_permissions(self, filepath): def has_correct_permissions(self, filepath, euid='nobody', egid='nogroup'):
uid = pwd.getpwnam(euid)[2]
gid = grp.getgrnam(egid)[2]
#drop root permissions and become "nobody" #drop root permissions and become "nobody"
os.seteuid(65534) os.seteuid(uid)
os.setegid(gid)
try: try:
open(filepath) open(filepath)
@ -65,19 +69,18 @@ class MediaMonitorCommon:
return readable return readable
# the function only changes the permission if its not readable by www-data
def set_needed_file_permissions(self, item, is_dir): def set_needed_file_permissions(self, item, is_dir):
try: try:
omask = os.umask(0) omask = os.umask(0)
uid = pwd.getpwnam('www-data')[2] if not has_correct_permissions(item, 'www-data', 'www-data'):
gid = grp.getgrnam('www-data')[2] os.chown(item, uid, gid)
os.chown(item, uid, gid) if is_dir is True:
os.chmod(item, 02777)
if is_dir is True: else:
os.chmod(item, 02777) os.chmod(item, 0666)
else:
os.chmod(item, 0666)
except Exception, e: except Exception, e:
self.logger.error("Failed to change file's owner/group/permissions. %s", e) self.logger.error("Failed to change file's owner/group/permissions. %s", e)