def try_rar_check(nzo: NzbObject, rars):
"""Attempt to verify set using the RARs
Return True if verified, False when failed
When setname is '', all RAR files will be used, otherwise only the matching one
If no RAR's are found, returns True
"""
# Sort for better processing
rars.sort(key=functools.cmp_to_key(rar_sort))
# Test
if rars:
setname = setname_from_path(rars[0])
nzo.status = Status.VERIFYING
nzo.set_unpack_info("Repair", T("Trying RAR-based verification"),
setname)
nzo.set_action_line(T("Trying RAR-based verification"), "...")
try:
# Set path to unrar and open the file
# Requires de-unicode for RarFile to work!
rarfile.UNRAR_TOOL = sabnzbd.newsunpack.RAR_COMMAND
zf = rarfile.RarFile(rars[0])
# Skip if it's encrypted
if zf.needs_password():
msg = T("[%s] RAR-based verification failed: %s") % (
setname, T("Passworded"))
nzo.set_unpack_info("Repair", msg)
return True
# Will throw exception if something is wrong
zf.testrar()
# Success!
msg = T("RAR files verified successfully")
nzo.set_unpack_info("Repair", msg, setname)
logging.info(msg)
return True
except rarfile.Error as e:
nzo.fail_msg = T("RAR files failed to verify")
msg = T("[%s] RAR-based verification failed: %s") % (setname, e)
nzo.set_unpack_info("Repair", msg, setname)
logging.info(msg)
return False
else:
# No rar-files, so just continue
return True
def rar_renamer(nzo: NzbObject, workdir):
""" Deobfuscate rar file names: Use header and content information to give RAR-files decent names """
nzo.status = Status.VERIFYING
nzo.set_unpack_info("Repair", T("Trying RAR renamer"))
nzo.set_action_line(T("Trying RAR renamer"), "...")
renamed_files = 0
# This is the most important datastructure (in case of mixed obfuscated rarsets)
rarvolnr = {}
# rarvolnr will contain per rar vol number the rarfilenames and their respective contents (and maybe other characteristics, like filesizes).
# for example: rarvolnr[6]['somerandomfilename.rar']={'readme.txt', 'linux.iso'},
# which means 'somerandomfilename.rar' has rarvolnumber 6, and contents 'readme.txt' and 'linux.iso'
# if we find a rarfile with rarvolnumber 7, and 'linux.iso' in it, we have a match!
# The volume number and real extension of a (obfuscated) rar file
# so volnrext['dfakjldfalkjdfl.blabla'] = (14, 'part014.rar') or (2, 'r000')
# Not really needed, but handy to avoid a second lookup at the renaming
volnrext = {}
# Scan rar files in workdir, but not subdirs
workdir_files = os.listdir(workdir)
for file_to_check in workdir_files:
file_to_check = os.path.join(workdir, file_to_check)
# We only want files:
if not (os.path.isfile(file_to_check)):
continue
# The function will check if it's a RAR-file
# We do a sanity-check for the returned number
rar_vol, new_extension = rarvolinfo.get_rar_extension(file_to_check)
if 0 < rar_vol < 1000:
logging.debug("Detected volume-number %s from RAR-header: %s ",
rar_vol, file_to_check)
volnrext[file_to_check] = (rar_vol, new_extension)
# The files inside rar file
rar_contents = rarfile.RarFile(os.path.join(
workdir, file_to_check),
single_file_check=True).filelist()
try:
rarvolnr[rar_vol]
except:
# does not yet exist, so create:
rarvolnr[rar_vol] = {}
rarvolnr[rar_vol][
file_to_check] = rar_contents # store them for matching (if needed)
else:
logging.debug("No RAR-volume-number found in %s", file_to_check)
logging.debug("Deobfuscate: rarvolnr is: %s", rarvolnr)
logging.debug("Deobfuscate: volnrext is: %s", volnrext)
# Could be that there are no rar-files, we stop
if not len(rarvolnr):
return renamed_files
# this can probably done with a max-key-lambda oneliner, but ... how?
numberofrarsets = 0
for mykey in rarvolnr.keys():
numberofrarsets = max(numberofrarsets, len(rarvolnr[mykey]))
logging.debug("Number of rarset is %s", numberofrarsets)
if numberofrarsets == 1:
# Just one obfuscated rarset ... that's easy
logging.debug("Deobfuscate: Just one obfuscated rarset")
for filename in volnrext:
new_rar_name = "%s.%s" % (nzo.final_name, volnrext[filename][1])
new_rar_name = os.path.join(workdir, new_rar_name)
new_rar_name = get_unique_filename(new_rar_name)
logging.debug("Deobfuscate: Renaming %s to %s" %
(filename, new_rar_name))
renamer(filename, new_rar_name)
renamed_files += 1
return renamed_files
# numberofrarsets bigger than 1, so a mixed rar set, so we need pre-checking
# Sanity check of the rar set
# Get the highest rar part number (that's the upper limit):
highest_rar = sorted(rarvolnr.keys())[-1]
# A staircase check: number of rarsets should no go up, but stay the same or go down
how_many_previous = 1000 # 1000 rarset mixed ... should be enough ... typical is 1, 2 or maybe 3
# Start at part001.rar and go the highest
for rar_set_number in range(1, highest_rar + 1):
try:
how_many_here = len(rarvolnr[rar_set_number])
except:
# rarset does not exist at all
logging.warning(
"rarset %s is missing completely, so I can't deobfuscate.",
rar_set_number)
return 0
# OK, it exists, now let's check it's not higher
if how_many_here > how_many_previous:
# this should not happen: higher number of rarset than previous number of rarset
logging.warning(
"no staircase! rarset %s is higher than previous, so I can't deobfuscate.",
rar_set_number)
return 0
how_many_previous = how_many_here
# OK, that looked OK (a declining staircase), so we can safely proceed
# More than one obfuscated rarset, so we must do matching based of files inside the rar files
# Assign (random) rar set names, first come first serve basis
rarsetname = {
} # in which rar set it should be, so rar set 'A', or 'B', or ...
mychar = "A"
# First things first: Assigning a rarsetname to the rar file which have volume number 1
for base_obfuscated_filename in rarvolnr[1]:
rarsetname[base_obfuscated_filename] = mychar + "--" + nzo.final_name
mychar = chr(ord(mychar) + 1)
logging.debug("Deobfuscate: rarsetname %s", rarsetname)
# Do the matching, layer by layer (read: rarvolnumber)
# So, all rar files with rarvolnr 1, find the contents (files inside the rar),
# and match with rarfiles with rarvolnr 2, and put them in the correct rarset.
# And so on, until the highest rarvolnr minus 1 matched against highest rarvolnr
for n in range(1, len(rarvolnr)):
logging.debug(
"Deobfuscate: Finding matches between rar sets %s and %s" %
(n, n + 1))
for base_obfuscated_filename in rarvolnr[n]:
matchcounter = 0
for next_obfuscated_filename in rarvolnr[n + 1]:
# set() method with intersection (less strict): set(rarvolnr[n][base_obfuscated_filename]).intersection(set(rarvolnr[n+1][next_obfuscated_filename]))
# check if the last filename inside the existing rar matches with the first filename in the following rar
if rarvolnr[n][base_obfuscated_filename][-1] == rarvolnr[
n + 1][next_obfuscated_filename][0]:
try:
rarsetname[next_obfuscated_filename] = rarsetname[
base_obfuscated_filename]
matchcounter += 1
except KeyError:
logging.warning(
T("No matching earlier rar file for %s"),
next_obfuscated_filename)
if matchcounter > 1:
logging.info(
"Deobfuscate: more than one match, so risk on false positive matching."
)
# Do the renaming:
for filename in rarsetname:
new_rar_name = "%s.%s" % (rarsetname[filename], volnrext[filename][1])
new_rar_name = os.path.join(workdir, new_rar_name)
new_rar_name = get_unique_filename(new_rar_name)
logging.debug("Deobfuscate: Renaming %s to %s" %
(filename, new_rar_name))
renamer(filename, new_rar_name)
renamed_files += 1
# Done: The obfuscated rar files have now been renamed to regular formatted filenames
return renamed_files
def process_job(nzo: NzbObject):
""" Process one job """
start = time.time()
# keep track of whether we can continue
all_ok = True
# keep track of par problems
par_error = False
# keep track of any unpacking errors
unpack_error = False
# Signal empty download, for when 'empty_postproc' is enabled
empty = False
nzb_list = []
# These need to be initialized in case of a crash
workdir_complete = ""
script_log = ""
script_line = ""
# Get the job flags
nzo.save_attribs()
flag_repair, flag_unpack, flag_delete = nzo.repair_opts
# Normalize PP
if flag_delete:
flag_unpack = True
if flag_unpack:
flag_repair = True
# Get the NZB name
filename = nzo.final_name
# Download-processes can mark job as failed, skip all steps
if nzo.fail_msg:
all_ok = False
par_error = True
unpack_error = 1
try:
# Get the folder containing the download result
workdir = nzo.download_path
tmp_workdir_complete = None
# if no files are present (except __admin__), fail the job
if all_ok and len(globber(workdir)) < 2:
if nzo.precheck:
_, ratio = nzo.check_availability_ratio()
emsg = T(
"Download might fail, only %s of required %s available"
) % (ratio, cfg.req_completion_rate())
else:
emsg = T("Download failed - Not on your server(s)")
empty = True
emsg += " - https://sabnzbd.org/not-complete"
nzo.fail_msg = emsg
nzo.set_unpack_info("Download", emsg)
nzo.status = Status.FAILED
# do not run unpacking or parity verification
flag_repair = flag_unpack = False
all_ok = cfg.empty_postproc() and empty
if not all_ok:
par_error = True
unpack_error = 1
script = nzo.script
logging.info(
"Starting Post-Processing on %s => Repair:%s, Unpack:%s, Delete:%s, Script:%s, Cat:%s",
filename,
flag_repair,
flag_unpack,
flag_delete,
script,
nzo.cat,
)
# Set complete dir to workdir in case we need to abort
workdir_complete = workdir
# Send post-processing notification
notifier.send_notification(T("Post-processing"), nzo.final_name, "pp",
nzo.cat)
# Par processing, if enabled
if all_ok and flag_repair:
par_error, re_add = parring(nzo, workdir)
if re_add:
# Try to get more par files
return False
# If we don't need extra par2, we can disconnect
if sabnzbd.NzbQueue.actives(grabs=False) == 0 and cfg.autodisconnect():
# This was the last job, close server connections
sabnzbd.Downloader.disconnect()
# Sanitize the resulting files
if sabnzbd.WIN32:
sanitize_files_in_folder(workdir)
# Check if user allows unsafe post-processing
if flag_repair and cfg.safe_postproc():
all_ok = all_ok and not par_error
if all_ok:
# Fix encodings
fix_unix_encoding(workdir)
# Use dirs generated by direct-unpacker
if nzo.direct_unpacker and nzo.direct_unpacker.unpack_dir_info:
(
tmp_workdir_complete,
workdir_complete,
file_sorter,
one_folder,
marker_file,
) = nzo.direct_unpacker.unpack_dir_info
else:
# Generate extraction path
tmp_workdir_complete, workdir_complete, file_sorter, one_folder, marker_file = prepare_extraction_path(
nzo)
newfiles = []
# Run Stage 2: Unpack
if flag_unpack:
# Set the current nzo status to "Extracting...". Used in History
nzo.status = Status.EXTRACTING
logging.info("Running unpack_magic on %s", filename)
unpack_error, newfiles = unpack_magic(nzo, workdir,
tmp_workdir_complete,
flag_delete, one_folder,
(), (), (), (), ())
logging.info("Unpacked files %s", newfiles)
if sabnzbd.WIN32:
# Sanitize the resulting files
newfiles = sanitize_files_in_folder(tmp_workdir_complete)
logging.info("Finished unpack_magic on %s", filename)
if cfg.safe_postproc():
all_ok = all_ok and not unpack_error
if all_ok:
# Move any (left-over) files to destination
nzo.status = Status.MOVING
nzo.set_action_line(T("Moving"), "...")
for root, _dirs, files in os.walk(workdir):
if not root.endswith(JOB_ADMIN):
for file_ in files:
path = os.path.join(root, file_)
new_path = path.replace(workdir,
tmp_workdir_complete)
ok, new_path = move_to_path(path, new_path)
if new_path:
newfiles.append(new_path)
if not ok:
nzo.set_unpack_info(
"Unpack",
T("Failed moving %s to %s") %
(path, new_path))
all_ok = False
break
# Set permissions right
set_permissions(tmp_workdir_complete)
if all_ok and marker_file:
del_marker(os.path.join(tmp_workdir_complete, marker_file))
remove_from_list(marker_file, newfiles)
if all_ok:
# Remove files matching the cleanup list
cleanup_list(tmp_workdir_complete, skip_nzb=True)
# Check if this is an NZB-only download, if so redirect to queue
# except when PP was Download-only
if flag_repair:
nzb_list = nzb_redirect(tmp_workdir_complete,
nzo.final_name, nzo.pp, script,
nzo.cat, nzo.priority)
else:
nzb_list = None
if nzb_list:
nzo.set_unpack_info("Download",
T("Sent %s to queue") % nzb_list)
cleanup_empty_directories(tmp_workdir_complete)
else:
# Full cleanup including nzb's
cleanup_list(tmp_workdir_complete, skip_nzb=False)
script_output = ""
script_ret = 0
if not nzb_list:
# Give destination its final name
if cfg.folder_rename() and tmp_workdir_complete and not one_folder:
if not all_ok:
# Rename failed folders so they are easy to recognize
workdir_complete = tmp_workdir_complete.replace(
"_UNPACK_", "_FAILED_")
workdir_complete = get_unique_path(workdir_complete,
create_dir=False)
try:
newfiles = rename_and_collapse_folder(
tmp_workdir_complete, workdir_complete, newfiles)
except:
logging.error(
T('Error renaming "%s" to "%s"'),
clip_path(tmp_workdir_complete),
clip_path(workdir_complete),
)
logging.info("Traceback: ", exc_info=True)
# Better disable sorting because filenames are all off now
file_sorter.sort_file = None
if empty:
job_result = -1
else:
job_result = int(par_error) + int(bool(unpack_error)) * 2
if cfg.ignore_samples():
remove_samples(workdir_complete)
# TV/Movie/Date Renaming code part 2 - rename and move files to parent folder
if all_ok and file_sorter.sort_file:
if newfiles:
file_sorter.rename(newfiles, workdir_complete)
workdir_complete, ok = file_sorter.move(workdir_complete)
else:
workdir_complete, ok = file_sorter.rename_with_ext(
workdir_complete)
if not ok:
nzo.set_unpack_info("Unpack", T("Failed to move files"))
all_ok = False
if cfg.deobfuscate_final_filenames() and all_ok and not nzb_list:
# Deobfuscate the filenames
logging.info("Running deobfuscate")
deobfuscate.deobfuscate_list(newfiles, nzo.final_name)
# Run the user script
script_path = make_script_path(script)
if (all_ok or not cfg.safe_postproc()) and (
not nzb_list) and script_path:
# Set the current nzo status to "Ext Script...". Used in History
nzo.status = Status.RUNNING
nzo.set_action_line(T("Running script"), script)
nzo.set_unpack_info("Script",
T("Running user script %s") % script,
unique=True)
script_log, script_ret = external_processing(
script_path, nzo, clip_path(workdir_complete),
nzo.final_name, job_result)
script_line = get_last_line(script_log)
if script_log:
script_output = nzo.nzo_id
if script_line:
nzo.set_unpack_info("Script", script_line, unique=True)
else:
nzo.set_unpack_info("Script",
T("Ran %s") % script,
unique=True)
else:
script = ""
script_line = ""
script_ret = 0
# Maybe bad script result should fail job
if script_ret and cfg.script_can_fail():
script_error = True
all_ok = False
nzo.fail_msg = T("Script exit code is %s") % script_ret
else:
script_error = False
# Email the results
if (not nzb_list) and cfg.email_endjob():
if (cfg.email_endjob()
== 1) or (cfg.email_endjob() == 2 and
(unpack_error or par_error or script_error)):
emailer.endjob(
nzo.final_name,
nzo.cat,
all_ok,
workdir_complete,
nzo.bytes_downloaded,
nzo.fail_msg,
nzo.unpack_info,
script,
script_log,
script_ret,
)
if script_output:
# Can do this only now, otherwise it would show up in the email
if script_ret:
script_ret = "Exit(%s) " % script_ret
else:
script_ret = ""
if len(script_log.rstrip().split("\n")) > 1:
nzo.set_unpack_info(
"Script",
'%s%s <a href="./scriptlog?name=%s">(%s)</a>' %
(script_ret, script_line, encoding.xml_name(script_output),
T("More")),
unique=True,
)
else:
# No '(more)' button needed
nzo.set_unpack_info("Script",
"%s%s " % (script_ret, script_line),
unique=True)
# Cleanup again, including NZB files
if all_ok:
cleanup_list(workdir_complete, False)
# Force error for empty result
all_ok = all_ok and not empty
# Update indexer with results
if cfg.rating_enable():
if nzo.encrypted > 0:
sabnzbd.Rating.update_auto_flag(nzo.nzo_id,
sabnzbd.Rating.FLAG_ENCRYPTED)
if empty:
hosts = [s.host for s in sabnzbd.Downloader.nzo_servers(nzo)]
if not hosts:
hosts = [None]
for host in hosts:
sabnzbd.Rating.update_auto_flag(
nzo.nzo_id, sabnzbd.Rating.FLAG_EXPIRED, host)
except:
logging.error(T("Post Processing Failed for %s (%s)"), filename,
T("see logfile"))
logging.info("Traceback: ", exc_info=True)
nzo.fail_msg = T("Post-processing was aborted")
notifier.send_notification(T("Download Failed"), filename, "failed",
nzo.cat)
nzo.status = Status.FAILED
par_error = True
all_ok = False
if cfg.email_endjob():
emailer.endjob(
nzo.final_name,
nzo.cat,
all_ok,
clip_path(workdir_complete),
nzo.bytes_downloaded,
nzo.fail_msg,
nzo.unpack_info,
"",
"",
0,
)
if all_ok:
# If the folder only contains one file OR folder, have that as the path
# Be aware that series/generic/date sorting may move a single file into a folder containing other files
workdir_complete = one_file_or_folder(workdir_complete)
workdir_complete = os.path.normpath(workdir_complete)
# Clean up the NZO data
try:
nzo.purge_data(delete_all_data=all_ok)
except:
logging.error(T("Cleanup of %s failed."), nzo.final_name)
logging.info("Traceback: ", exc_info=True)
# Use automatic retry link on par2 errors and encrypted/bad RARs
if par_error or unpack_error in (2, 3):
try_alt_nzb(nzo)
# Check if it was aborted
if not nzo.pp_active:
nzo.fail_msg = T("Post-processing was aborted")
all_ok = False
# Show final status in history
if all_ok:
notifier.send_notification(T("Download Completed"), filename,
"complete", nzo.cat)
nzo.status = Status.COMPLETED
else:
notifier.send_notification(T("Download Failed"), filename, "failed",
nzo.cat)
nzo.status = Status.FAILED
# Log the overall time taken for postprocessing
postproc_time = int(time.time() - start)
with database.HistoryDB() as history_db:
# Add the nzo to the database. Only the path, script and time taken is passed
# Other information is obtained from the nzo
history_db.add_history_db(nzo, workdir_complete, postproc_time,
script_log, script_line)
# Purge items
history_db.auto_history_purge()
sabnzbd.history_updated()
return True