diff options
Diffstat (limited to 'module/plugins/internal/UnRar.py')
| -rw-r--r-- | module/plugins/internal/UnRar.py | 277 |
1 files changed, 154 insertions, 123 deletions
diff --git a/module/plugins/internal/UnRar.py b/module/plugins/internal/UnRar.py index e3765602b..572fe95b9 100644 --- a/module/plugins/internal/UnRar.py +++ b/module/plugins/internal/UnRar.py @@ -1,132 +1,163 @@ # -*- coding: utf-8 -*- -""" - 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/>. - - @author: RaNaN -""" - import os import re -from os.path import join + from glob import glob -from subprocess import Popen, PIPE +from os.path import basename, dirname, join from string import digits +from subprocess import Popen, PIPE +from module.plugins.internal.Extractor import Extractor, ArchiveError, CRCError, PasswordError from module.utils import save_join, decode -from module.plugins.internal.AbstractExtractor import AbtractExtractor, WrongPassword, ArchiveError, CRCError -class UnRar(AbtractExtractor): - __name__ = "UnRar" - __version__ = "0.16" +def renice(pid, value): + if os.name != "nt" and value: + try: + Popen(["renice", str(value), str(pid)], stdout=PIPE, stderr=PIPE, bufsize=-1) + except: + print "Renice failed" + + +class UnRar(Extractor): + __name__ = "UnRar" + __version__ = "1.01" + + __description__ = """Rar extractor plugin""" + __license__ = "GPLv3" + __authors__ = [("Walter Purcaro", "vuolter@gmail.com")] + - # there are some more uncovered rar formats - re_version = re.compile(r"(UNRAR 5[\.\d]+(.*?)freeware)") - re_splitfile = re.compile(r"(.*)\.part(\d+)\.rar$", re.I) - re_partfiles = re.compile(r".*\.(rar|r[0-9]+)", re.I) - re_filelist = re.compile(r"(.+)\s+(\d+)\s+(\d+)\s+") - re_filelist5 = re.compile(r"(.+)\s+(\d+)\s+\d\d-\d\d-\d\d\s+\d\d:\d\d\s+(.+)") - re_wrongpwd = re.compile("(Corrupt file or wrong password|password incorrect)", re.I) CMD = "unrar" - @staticmethod - def checkDeps(): + EXTENSIONS = ["rar", "zip", "cab", "arj", "lzh", "tar", "gz", "bz2", "ace", "uue", "jar", "iso", "7z", "xz", "z"] + + + #@NOTE: there are some more uncovered rar formats + re_rarpart = re.compile(r'(.*)\.part(\d+)\.rar$', re.I) + re_rarfile = re.compile(r'.*\.(rar|r\d+)$', re.I) + + re_filelist = re.compile(r'(.+)\s+(\d+)\s+(\d+)\s+|(.+)\s+(\d+)\s+\d\d-\d\d-\d\d\s+\d\d:\d\d\s+(.+)') + re_wrongpwd = re.compile(r'password', re.I) + re_wrongcrc = re.compile(r'encrypted|damaged|CRC failed|checksum error', re.I) + + + @classmethod + def checkDeps(cls): if os.name == "nt": - UnRar.CMD = join(pypath, "UnRAR.exe") - p = Popen([UnRar.CMD], stdout=PIPE, stderr=PIPE) + cls.CMD = join(pypath, "UnRAR.exe") + p = Popen([cls.CMD], stdout=PIPE, stderr=PIPE) p.communicate() else: try: - p = Popen([UnRar.CMD], stdout=PIPE, stderr=PIPE) + p = Popen([cls.CMD], stdout=PIPE, stderr=PIPE) p.communicate() - except OSError: + except OSError: # fallback to rar - UnRar.CMD = "rar" - p = Popen([UnRar.CMD], stdout=PIPE, stderr=PIPE) + cls.CMD = "rar" + p = Popen([cls.CMD], stdout=PIPE, stderr=PIPE) p.communicate() return True - @staticmethod - def getTargets(files_ids): - result = [] + + @classmethod + def isArchive(cls, file): + f = basename(file).lower() + return any(f.endswith('.%s' % ext) for ext in cls.EXTENSIONS) + + + @classmethod + def getTargets(cls, files_ids): + targets = [] for file, id in files_ids: - if not file.endswith(".rar"): + if not cls.isArchive(file): continue - match = UnRar.re_splitfile.findall(file) - if match: + m = cls.re_rarpart.findall(file) + if m: # only add first parts - if int(match[0][1]) == 1: - result.append((file, id)) + if int(m[0][1]) == 1: + targets.append((file, id)) else: - result.append((file, id)) + targets.append((file, id)) - return result + return targets - def init(self): - self.passwordProtected = False - self.headerProtected = False #: list files will not work without password - self.smallestFile = None #: small file to test passwords - self.password = "" #: save the correct password - def checkArchive(self): - p = self.call_unrar("l", "-v", self.file) - out, err = p.communicate() - if self.re_wrongpwd.search(err): - self.passwordProtected = True - self.headerProtected = True - return True + def check(self, out="", err=""): + if not out or not err: + return + + if err.strip(): + if self.re_wrongpwd.search(err): + raise PasswordError + + elif self.re_wrongcrc.search(err): + raise CRCError + + else: #: raise error if anything is on stderr + raise ArchiveError(err.strip()) # output only used to check if passworded files are present - if self.re_version.search(out): - for attr, size, name in self.re_filelist5.findall(out): - if attr.startswith("*"): - self.passwordProtected = True - return True - else: - for name, size, packed in self.re_filelist.findall(out): - if name.startswith("*"): - self.passwordProtected = True - return True + for attr in self.re_filelist.findall(out): + if attr[0].startswith("*"): + raise PasswordError + + + def verify(self): + p = self.call_cmd("l", "-v", self.file, password=self.password) + + self.check(*p.communicate()) + + if p and p.returncode: + raise ArchiveError("Process terminated") - self.listContent() - if not self.files: - raise ArchiveError("Empty Archive") + if not self.list(): + raise ArchiveError("Empty archive") + + + def isPassword(self, password): + if isinstance(password, basestring): + p = self.call_cmd("l", "-v", self.file, password=password) + out, err = p.communicate() + + if not self.re_wrongpwd.search(err): + return True return False - def checkPassword(self, password): - # at this point we can only verify header protected files - if self.headerProtected: - p = self.call_unrar("l", "-v", self.file, password=password) + + def repair(self): + p = self.call_cmd("rc", self.file) + out, err = p.communicate() + + if p.returncode or err.strip(): + p = self.call_cmd("r", self.file) out, err = p.communicate() - if self.re_wrongpwd.search(err): + + if p.returncode or err.strip(): return False + else: + self.file = join(dirname(self.file), re.search(r'(fixed|rebuild)\.%s' % basename(self.file), out).group(0)) return True - def extract(self, progress, password=None): + + def extract(self, progress=lambda x: None): + self.verify() + + progress(0) + command = "x" if self.fullpath else "e" - p = self.call_unrar(command, self.file, self.out, password=password) + p = self.call_cmd(command, self.file, self.out, password=self.password) + renice(p.pid, self.renice) - progress(0) progressstring = "" while True: c = p.stdout.read(1) @@ -134,7 +165,7 @@ class UnRar(AbtractExtractor): if not c: break # reading a percentage sign -> set progress and restart - if c == '%': + if c is '%': progress(int(progressstring)) progressstring = "" # not reading a digit -> therefore restart @@ -142,42 +173,43 @@ class UnRar(AbtractExtractor): progressstring = "" # add digit to progressstring else: - progressstring = progressstring + c + progressstring += c + progress(100) + self.files = self.list() + # retrieve stderr - err = p.stderr.read() - - if "CRC failed" in err and not password and not self.passwordProtected: - raise CRCError - elif "CRC failed" in err: - raise WrongPassword - if err.strip(): #: raise error if anything is on stderr - raise ArchiveError(err.strip()) + self.check(err=p.stderr.read()) + if p.returncode: raise ArchiveError("Process terminated") - if not self.files: - self.password = password - self.listContent() def getDeleteFiles(self): - if ".part" in self.file: - return glob(re.sub("(?<=\.part)([01]+)", "*", self.file, re.IGNORECASE)) + if ".part" in basename(self.file): + return glob(re.sub("(?<=\.part)([01]+)", "*", self.file, re.I)) + # get files which matches .r* and filter unsuited files out - parts = glob(re.sub(r"(?<=\.r)ar$", "*", self.file, re.IGNORECASE)) - return filter(lambda x: self.re_partfiles.match(x), parts) + parts = glob(re.sub(r"(?<=\.r)ar$", "*", self.file, re.I)) + + return filter(lambda x: self.re_rarfile.match(x), parts) + - def listContent(self): + def list(self): command = "vb" if self.fullpath else "lb" - p = self.call_unrar(command, "-v", self.file, password=self.password) + + p = self.call_cmd(command, "-v", self.file, password=self.password) out, err = p.communicate() - if "Cannot open" in err: - raise ArchiveError("Cannot open file") + if err.strip(): + self.m.logError(err) + if "Cannot open" in err: + return list() - if err.strip(): #: only log error at this point - self.m.logError(err.strip()) + if p.returncode: + self.m.logError("Process terminated") + return list() result = set() @@ -185,38 +217,37 @@ class UnRar(AbtractExtractor): f = f.strip() result.add(save_join(self.out, f)) - self.files = result + return list(result) - def call_unrar(self, command, *xargs, **kwargs): + + def call_cmd(self, command, *xargs, **kwargs): args = [] + # overwrite flag - args.append("-o+") if self.overwrite else args.append("-o-") + if self.overwrite: + args.append("-o+") + else: + args.append("-o-") + if self.delete: + args.append("-or") - if self.excludefiles: - for word in self.excludefiles.split(';'): - args.append("-x%s" % word) + for word in self.excludefiles: + args.append("-x%s" % word.strip()) # assume yes on all queries args.append("-y") # set a password - if "password" in kwargs and kwargs["password"]: - args.append("-p%s" % kwargs["password"]) + if "password" in kwargs and kwargs['password']: + args.append("-p%s" % kwargs['password']) else: args.append("-p-") + if self.keepbroken: + args.append("-kb") + # NOTE: return codes are not reliable, some kind of threading, cleanup whatever issue call = [self.CMD, command] + args + list(xargs) self.m.logDebug(" ".join(call)) - p = Popen(call, stdout=PIPE, stderr=PIPE) - - return p - - -def renice(pid, value): - if os.name != "nt" and value: - try: - Popen(["renice", str(value), str(pid)], stdout=PIPE, stderr=PIPE, bufsize=-1) - except: - print "Renice failed" + return Popen(call, stdout=PIPE, stderr=PIPE) |