1 files changed, 155 insertions, 0 deletions
diff --git a/pyload/plugin/extractor/SevenZip.py b/pyload/plugin/extractor/SevenZip.py
new file mode 100644
index 000000000..4b23c6ff2
--- /dev/null
+++ b/pyload/plugin/extractor/SevenZip.py
@@ -0,0 +1,155 @@
+# -*- coding: utf-8 -*-
+
+import os
+import re
+
+from subprocess import Popen, PIPE
+
+from pyload.plugin.internal.UnRar import ArchiveError, CRCError, PasswordError, UnRar, renice
+from pyload.utils import fs_encode, safe_join
+
+
+class SevenZip(UnRar):
+    __name__    = "SevenZip"
+    __version__ = "0.08"
+
+    __description__ = """7-Zip extractor plugin"""
+    __license__     = "GPLv3"
+    __authors__     = [("Michael Nowak", ""),
+                       ("Walter Purcaro", "vuolter@gmail.com")]
+
+
+    CMD     = "7z"
+    VERSION = ""
+
+    EXTENSIONS = [".7z", ".xz", ".zip", ".gz", ".gzip", ".tgz", ".bz2", ".bzip2",
+                  ".tbz2", ".tbz", ".tar", ".wim", ".swm", ".lzma", ".rar", ".cab",
+                  ".arj", ".z", ".taz", ".cpio", ".rpm", ".deb", ".lzh", ".lha",
+                  ".chm", ".chw", ".hxs", ".iso", ".msi", ".doc", ".xls", ".ppt",
+                  ".dmg", ".xar", ".hfs", ".exe", ".ntfs", ".fat", ".vhd", ".mbr",
+                  ".squashfs", ".cramfs", ".scap"]
+
+
+    #@NOTE: there are some more uncovered 7z formats
+    re_filelist = re.compile(r'([\d\:]+)\s+([\d\:]+)\s+([\w\.]+)\s+(\d+)\s+(\d+)\s+(.+)')
+    re_wrongpwd = re.compile(r'(Can not open encrypted archive|Wrong password)', re.I)
+    re_wrongcrc = re.compile(r'Encrypted\s+\=\s+\+', re.I)
+    re_version   = re.compile(r'7-Zip\s(?:\[64\]\s)?(\d+\.\d+)', re.I)
+
+
+    @classmethod
+    def isUsable(cls):
+        if os.name == "nt":
+            cls.CMD = os.path.join(pypath, "7z.exe")
+            p = Popen([cls.CMD], stdout=PIPE, stderr=PIPE)
+            out,err = p.communicate()
+        else:
+            p = Popen([cls.CMD], stdout=PIPE, stderr=PIPE)
+            out, err = p.communicate()
+
+        cls.VERSION = cls.re_version.search(out).group(1)
+
+        return True
+
+
+    def check(self):
+        file = fs_encode(self.filename)
+
+        p = self.call_cmd("t", file)
+        out, err = p.communicate()
+
+        if p.returncode > 1:
+            raise CRCError(err)
+
+        p = self.call_cmd("l", "-slt", file)
+        out, err = p.communicate()
+
+        if p.returncode > 1:
+            raise ArchiveError(_("Process return code: %d") % p.returncode)
+
+        # check if output or error macthes the 'wrong password'-Regexp
+        if self.re_wrongpwd.search(out):
+            raise PasswordError
+
+        # check if output matches 'Encrypted = +'
+        if self.re_wrongcrc.search(out):
+            raise CRCError(_("Header protected"))
+
+
+    def isPassword(self, password):
+        p = self.call_cmd("l", fs_encode(self.filename), password=password)
+        p.communicate()
+        return p.returncode == 0
+
+
+    def repair(self):
+        return False
+
+
+    def extract(self, password=None):
+        command = "x" if self.fullpath else "e"
+
+        p = self.call_cmd(command, '-o' + self.out, fs_encode(self.filename), password=password)
+
+        renice(p.pid, self.renice)
+
+        # communicate and retrieve stderr
+        self._progress(p)
+        err = p.stderr.read().strip()
+
+        if err:
+            if self.re_wrongpwd.search(err):
+                raise PasswordError
+
+            elif self.re_wrongcrc.search(err):
+                raise CRCError(err)
+
+            else:  #: raise error if anything is on stderr
+                raise ArchiveError(err)
+
+        if p.returncode > 1:
+            raise ArchiveError(_("Process return code: %d") % p.returncode)
+
+        self.files = self.list(password)
+
+
+    def list(self, password=None):
+        command = "l" if self.fullpath else "l"
+
+        p = self.call_cmd(command, fs_encode(self.filename), password=password)
+        out, err = p.communicate()
+
+        if "Can not open" in err:
+            raise ArchiveError(_("Cannot open file"))
+
+        if p.returncode > 1:
+            raise ArchiveError(_("Process return code: %d") % p.returncode)
+
+        result = set()
+        for groups in self.re_filelist.findall(out):
+            f = groups[-1].strip()
+            result.add(safe_join(self.out, f))
+
+        return list(result)
+
+
+    def call_cmd(self, command, *xargs, **kwargs):
+        args = []
+
+        #overwrite flag
+        if self.overwrite:
+            args.append("-y")
+
+        #set a password
+        if "password" in kwargs and kwargs["password"]:
+            args.append("-p'%s'" % kwargs["password"])
+        else:
+            args.append("-p-")
+
+        #@NOTE: return codes are not reliable, some kind of threading, cleanup whatever issue
+        call = [self.CMD, command] + args + list(xargs)
+
+        self.manager.logDebug(" ".join(call))
+
+        p = Popen(call, stdout=PIPE, stderr=PIPE)
+        return p