src/mercurialserver/refreshauth.py
author Paul Crowley <paul@lshift.net>
Tue, 10 Nov 2009 11:11:56 +0000
branchdebian
changeset 186 4fa13d8412c1
parent 165 3606d60b07e5
child 211 0cd59649772c
permissions -rw-r--r--
Merge in docs fixes
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
74
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
     1
# Copyright 2008-2009 LShift Ltd
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
     2
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
     3
# WARNING
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
     4
# This hook completely destroys your ~/.ssh/authorized_keys
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
     5
# file every time it is run
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
     6
# WARNING
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
     7
106
0519745e7a57 Much less strict about most things
Paul Crowley <paul@lshift.net>
parents: 86
diff changeset
     8
import re
107
84e9e33d866b Fixes, plus base64 what you don't trust
Paul Crowley <paul@lshift.net>
parents: 106
diff changeset
     9
import base64
74
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    10
import os
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    11
import os.path
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    12
import subprocess
106
0519745e7a57 Much less strict about most things
Paul Crowley <paul@lshift.net>
parents: 86
diff changeset
    13
from mercurialserver import paths
0519745e7a57 Much less strict about most things
Paul Crowley <paul@lshift.net>
parents: 86
diff changeset
    14
107
84e9e33d866b Fixes, plus base64 what you don't trust
Paul Crowley <paul@lshift.net>
parents: 106
diff changeset
    15
goodkey = re.compile("[/A-Za-z0-9._-]+$")
74
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    16
165
3606d60b07e5 Use .mercurial-sever file instead of hardcoding
Paul Crowley <paul@lshift.net>
parents: 107
diff changeset
    17
def refreshAuth():
3606d60b07e5 Use .mercurial-sever file instead of hardcoding
Paul Crowley <paul@lshift.net>
parents: 107
diff changeset
    18
    akeyfile = os.path.expanduser("~/.ssh/authorized_keys")
79
3a58a95fae2f abolish hg-ssh-wrapper
Paul Crowley <paul@lshift.net>
parents: 75
diff changeset
    19
    wrappercommand = paths.getExePath() + "/hg-ssh"
74
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    20
    prefix='no-pty,no-port-forwarding,no-X11-forwarding,no-agent-forwarding,command='
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    21
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    22
    if os.path.exists(akeyfile):
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    23
        f = open(akeyfile)
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    24
        try:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    25
            for l in f:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    26
                if not l.startswith(prefix):
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    27
                    raise Exception("Safety check failed, delete %s to continue" % akeyfile)
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    28
        finally:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    29
            f.close()
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    30
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    31
    akeys = open(akeyfile + "_new", "w")
165
3606d60b07e5 Use .mercurial-sever file instead of hardcoding
Paul Crowley <paul@lshift.net>
parents: 107
diff changeset
    32
    for keyroot in paths.getKeysPaths():
74
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    33
        kr = keyroot + "/"
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    34
        #print "Processing keyroot", keyroot
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    35
        for root, dirs, files in os.walk(keyroot):
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    36
            for fn in files:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    37
                ffn = os.path.join(root, fn)
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    38
                if not ffn.startswith(kr):
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    39
                    raise Exception("Inconsistent behaviour in os.walk, bailing")
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    40
                #print "Processing file", ffn
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    41
                keyname = ffn[len(kr):]
107
84e9e33d866b Fixes, plus base64 what you don't trust
Paul Crowley <paul@lshift.net>
parents: 106
diff changeset
    42
                if not goodkey.match(keyname):
84e9e33d866b Fixes, plus base64 what you don't trust
Paul Crowley <paul@lshift.net>
parents: 106
diff changeset
    43
                    # Encode it for safe quoting
84e9e33d866b Fixes, plus base64 what you don't trust
Paul Crowley <paul@lshift.net>
parents: 106
diff changeset
    44
                    keyname = "--base64 " + base64.b64encode(keyname)
74
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    45
                p = subprocess.Popen(("ssh-keygen", "-i", "-f", ffn), 
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    46
                    stdout=subprocess.PIPE, stderr=subprocess.PIPE)
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    47
                newkey = p.communicate()[0]
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    48
                if p.wait() == 0:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    49
                    klines = [l.strip() for l in newkey.split("\n")]
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    50
                else:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    51
                    # Conversion failed, read it directly.
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    52
                    kf = open(ffn)
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    53
                    try:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    54
                        klines = [l.strip() for l in kf]
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    55
                    finally:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    56
                        kf.close()
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    57
                for l in klines:
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    58
                    if len(l):
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    59
                        akeys.write('%s"%s %s" %s\n' % (prefix, wrappercommand, keyname, l))
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    60
    akeys.close()
9d2ae2841bf2 Move meat of do-refresh-auth into a module
Paul Crowley <paul@lshift.net>
parents:
diff changeset
    61
    os.rename(akeyfile + "_new", akeyfile)
75
5af89523a9d3 give refreshauth.py a hook and call that in hgadmin hgrc
Paul Crowley <paul@lshift.net>
parents: 74
diff changeset
    62
    
5af89523a9d3 give refreshauth.py a hook and call that in hgadmin hgrc
Paul Crowley <paul@lshift.net>
parents: 74
diff changeset
    63
def hook(ui, repo, hooktype, node=None, source=None, **kwargs):
165
3606d60b07e5 Use .mercurial-sever file instead of hardcoding
Paul Crowley <paul@lshift.net>
parents: 107
diff changeset
    64
    refreshAuth()
75
5af89523a9d3 give refreshauth.py a hook and call that in hgadmin hgrc
Paul Crowley <paul@lshift.net>
parents: 74
diff changeset
    65