Mercurial > hg
annotate hgext/acl.py @ 9322:81900431589f
mercurial.ini: provide more useful info
* Add warning about not editing the site-wide file on Vista
* More detail about where to create user Mercurial.ini
* Provide examples for ssh tools
* List extensions, all disabled
* add [patch] section, for fixing patch behavior when using win32text
* example [extdiff] section, all disabled
* example [diff] section, all disabled
author | Steve Borho <steve@borho.org> |
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date | Mon, 03 Aug 2009 23:27:25 -0500 |
parents | 00986b9ed649 |
children | 4c041f1ee1b4 |
rev | line source |
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1 # acl.py - changeset access control for mercurial |
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2 # |
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3 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2, incorporated herein by reference. |
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7 # |
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8 |
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9 '''hooks for controlling repository access |
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10 |
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11 This hook makes it possible to allow or deny write access to portions |
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12 of a repository when receiving incoming changesets. |
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13 |
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14 The authorization is matched based on the local user name on the |
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15 system where the hook runs, and not the committer of the original |
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16 changeset (since the latter is merely informative). |
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17 |
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18 The acl hook is best used along with a restricted shell like hgsh, |
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19 preventing authenticating users from doing anything other than |
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20 pushing or pulling. The hook is not safe to use if users have |
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21 interactive shell access, as they can then disable the hook. |
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22 Nor is it safe if remote users share an account, because then there |
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23 is no way to distinguish them. |
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24 |
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25 To use this hook, configure the acl extension in your hgrc like this:: |
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26 |
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27 [extensions] |
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28 hgext.acl = |
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29 |
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30 [hooks] |
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31 pretxnchangegroup.acl = python:hgext.acl.hook |
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32 |
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33 [acl] |
8893 | 34 # Check whether the source of incoming changes is in this list |
35 # ("serve" == ssh or http, "push", "pull", "bundle") | |
36 sources = serve | |
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37 |
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38 The allow and deny sections take a subtree pattern as key (with a glob |
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39 syntax by default), and a comma separated list of users as the |
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40 corresponding value. The deny list is checked before the allow list |
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41 is. :: |
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42 |
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43 [acl.allow] |
8893 | 44 # If acl.allow is not present, all users are allowed by default. |
45 # An empty acl.allow section means no users allowed. | |
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46 docs/** = doc_writer |
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47 .hgtags = release_engineer |
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48 |
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49 [acl.deny] |
8893 | 50 # If acl.deny is not present, no users are refused by default. |
51 # An empty acl.deny section means all users allowed. | |
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52 glob pattern = user4, user5 |
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53 ** = user6 |
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54 ''' |
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55 |
3891 | 56 from mercurial.i18n import _ |
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57 from mercurial import util, match |
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58 import getpass, urllib |
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59 |
6766 | 60 def buildmatch(ui, repo, user, key): |
61 '''return tuple of (match function, list enabled).''' | |
62 if not ui.has_section(key): | |
63 ui.debug(_('acl: %s not enabled\n') % key) | |
64 return None | |
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65 |
6766 | 66 pats = [pat for pat, users in ui.configitems(key) |
67 if user in users.replace(',', ' ').split()] | |
68 ui.debug(_('acl: %s enabled, %d entries for user %s\n') % | |
69 (key, len(pats), user)) | |
70 if pats: | |
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71 return match.match(repo.root, '', pats) |
8682 | 72 return match.exact(repo.root, '', []) |
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73 |
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74 |
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75 def hook(ui, repo, hooktype, node=None, source=None, **kwargs): |
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76 if hooktype != 'pretxnchangegroup': |
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77 raise util.Abort(_('config error - hook type "%s" cannot stop ' |
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78 'incoming changesets') % hooktype) |
6766 | 79 if source not in ui.config('acl', 'sources', 'serve').split(): |
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80 ui.debug(_('acl: changes have source "%s" - skipping\n') % source) |
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81 return |
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82 |
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83 user = None |
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84 if source == 'serve' and 'url' in kwargs: |
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85 url = kwargs['url'].split(':') |
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86 if url[0] == 'remote' and url[1].startswith('http'): |
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87 user = urllib.unquote(url[3]) |
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88 |
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89 if user is None: |
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90 user = getpass.getuser() |
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91 |
6766 | 92 cfg = ui.config('acl', 'config') |
93 if cfg: | |
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94 ui.readconfig(cfg, sections = ['acl.allow', 'acl.deny']) |
6766 | 95 allow = buildmatch(ui, repo, user, 'acl.allow') |
96 deny = buildmatch(ui, repo, user, 'acl.deny') | |
97 | |
98 for rev in xrange(repo[node], len(repo)): | |
99 ctx = repo[rev] | |
100 for f in ctx.files(): | |
101 if deny and deny(f): | |
102 ui.debug(_('acl: user %s denied on %s\n') % (user, f)) | |
103 raise util.Abort(_('acl: access denied for changeset %s') % ctx) | |
104 if allow and not allow(f): | |
105 ui.debug(_('acl: user %s not allowed on %s\n') % (user, f)) | |
106 raise util.Abort(_('acl: access denied for changeset %s') % ctx) | |
107 ui.debug(_('acl: allowing changeset %s\n') % ctx) |