2 restore-mail-inject.py - Tool to inject mails via IMAP
4 Copyright (c) 2012 Intra2net AG
5 Author: Plamen Dimitrov and Thomas Jarosch
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
22 MAIL_FILENAME = re.compile("^[0-9]+\.$")
23 MBOXFILE_LINE = re.compile("^(.*?)\t(?:\d )?default[\t ](.*)$")
24 ACL_STRING = re.compile("^(.*?)[\t ](.*?)\t(.*)$")
27 """This class iterates through the e-mail files."""
30 # mailboxes created during file traversal
31 created_mailboxes = None
32 # mailboxes to update during file traversal
36 """Creates a connection and a user session."""
38 self.created_mailboxes = []
39 self.acl_mailboxes = []
44 def _message_read(cls, filename):
45 """Retrieves a message from the message file."""
48 with open(filename, "r") as msgfile:
49 message = msgfile.read()
51 logging.warning("Could not open the e-mail file %s", filename)
57 def load_mailbox_list(cls, mboxlistfile = ""):
58 """Load the list of mailboxes and acl rights for each from file."""
61 if mboxlistfile != "":
63 with open(mboxlistfile, 'r') as acl_file:
68 linedata = MBOXFILE_LINE.match(line).groups()
69 except AttributeError:
70 logging.warning("Illegal line in mailbox list dump: %s", line)
75 # loop through acl rights string and build dictionary of users and rights
78 acldata = ACL_STRING.match(aclstr).groups()
79 except AttributeError:
80 logging.warning("Illegal acl string in mailbox list dump: %s", line)
84 acls[acldata[0]] = acldata[1]
88 logging.warning("Could not open mboxlist file %s", mboxlistfile)
92 def load_mails(self, filepath, mailpath):
93 """Loads all e-mails from file hierarchy.
94 This recursive generator always returns a tuple of
95 the next found (e-mail, mailbox to store, internaldate)."""
97 logging.debug("Entered directory %s -> %s", filepath, mailpath)
99 filepath = os.path.abspath(filepath)
102 logging.warning("Can't open the directory %s", filepath)
104 # mark mailboxes that should be created
105 self.created_mailboxes.append(mailpath)
107 subpaths = os.listdir(filepath)
108 for subpath in subpaths:
109 if subpath == "." or subpath == "..":
111 new_filepath = filepath + "/" + subpath
113 # if path is file validate name and inject
114 if (os.path.isfile(new_filepath)):
115 if os.path.getsize(new_filepath) == 0:
116 logging.info("Skipping empty file %s", subpath)
118 if MAIL_FILENAME.match(subpath):
119 logging.info("Injecting file %s", subpath)
121 message = self._message_read(new_filepath)
122 # suggest file modification date for internaldate
123 yield (message, mailpath, os.path.getmtime(new_filepath))
125 logging.warning("Could not retrieve mail from the file %s", new_filepath)
128 # if path is directory do recursive call
129 if os.path.isdir(new_filepath):
130 # cyrus ^ vs . storage replacement
131 subpath = subpath.replace("^", ".")
132 new_mailpath = mailpath + "/" + subpath
133 logging.debug("Inserting mails from directory %s into mailbox %s", new_filepath, new_mailpath)
134 # load_mails($mboxdbref, $origuser, $targetuser)
135 rcrs_generator = self.load_mails(new_filepath, new_mailpath)
136 # you enter the generator in the for loop
137 for rcr in rcrs_generator:
139 logging.debug("Done with directory %s and mailbox %s", new_filepath, new_mailpath)
141 # mark mailboxes that need acl update
142 self.acl_mailboxes.append(mailpath)