Changeset - c082a017b366
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0 3 0
Andrew Bartlett - 10 years ago 2015-06-18 04:54:35
abartlet@catalyst.net.nz
git: Allow git:// URLs as a source to clone from
3 files changed with 5 insertions and 2 deletions:
0 comments (0 inline, 0 general)
kallithea/lib/utils2.py
Show inline comments
 
@@ -88,683 +88,683 @@ def str2bool(_str):
 
    if _str is None:
 
        return False
 
    if _str in (True, False):
 
        return _str
 
    _str = str(_str).strip().lower()
 
    return _str in ('t', 'true', 'y', 'yes', 'on', '1')
 

	
 

	
 
def aslist(obj, sep=None, strip=True):
 
    """
 
    Returns given string separated by sep as list
 

	
 
    :param obj:
 
    :param sep:
 
    :param strip:
 
    """
 
    if isinstance(obj, (basestring)):
 
        lst = obj.split(sep)
 
        if strip:
 
            lst = [v.strip() for v in lst]
 
        return lst
 
    elif isinstance(obj, (list, tuple)):
 
        return obj
 
    elif obj is None:
 
        return []
 
    else:
 
        return [obj]
 

	
 

	
 
def convert_line_endings(line, mode):
 
    """
 
    Converts a given line  "line end" according to given mode
 

	
 
    Available modes are::
 
        0 - Unix
 
        1 - Mac
 
        2 - DOS
 

	
 
    :param line: given line to convert
 
    :param mode: mode to convert to
 
    :rtype: str
 
    :return: converted line according to mode
 
    """
 
    from string import replace
 

	
 
    if mode == 0:
 
            line = replace(line, '\r\n', '\n')
 
            line = replace(line, '\r', '\n')
 
    elif mode == 1:
 
            line = replace(line, '\r\n', '\r')
 
            line = replace(line, '\n', '\r')
 
    elif mode == 2:
 
            line = re.sub("\r(?!\n)|(?<!\r)\n", "\r\n", line)
 
    return line
 

	
 

	
 
def detect_mode(line, default):
 
    """
 
    Detects line break for given line, if line break couldn't be found
 
    given default value is returned
 

	
 
    :param line: str line
 
    :param default: default
 
    :rtype: int
 
    :return: value of line end on of 0 - Unix, 1 - Mac, 2 - DOS
 
    """
 
    if line.endswith('\r\n'):
 
        return 2
 
    elif line.endswith('\n'):
 
        return 0
 
    elif line.endswith('\r'):
 
        return 1
 
    else:
 
        return default
 

	
 

	
 
def generate_api_key(username, salt=None):
 
    """
 
    Generates unique API key for given username, if salt is not given
 
    it'll be generated from some random string
 

	
 
    :param username: username as string
 
    :param salt: salt to hash generate KEY
 
    :rtype: str
 
    :returns: sha1 hash from username+salt
 
    """
 
    from tempfile import _RandomNameSequence
 
    import hashlib
 

	
 
    if salt is None:
 
        salt = _RandomNameSequence().next()
 

	
 
    return hashlib.sha1(username + salt).hexdigest()
 

	
 

	
 
def safe_int(val, default=None):
 
    """
 
    Returns int() of val if val is not convertable to int use default
 
    instead
 

	
 
    :param val:
 
    :param default:
 
    """
 

	
 
    try:
 
        val = int(val)
 
    except (ValueError, TypeError):
 
        val = default
 

	
 
    return val
 

	
 

	
 
def safe_unicode(str_, from_encoding=None):
 
    """
 
    safe unicode function. Does few trick to turn str_ into unicode
 

	
 
    In case of UnicodeDecode error we try to return it with encoding detected
 
    by chardet library if it fails fallback to unicode with errors replaced
 

	
 
    :param str_: string to decode
 
    :rtype: unicode
 
    :returns: unicode object
 
    """
 
    if isinstance(str_, unicode):
 
        return str_
 

	
 
    if not from_encoding:
 
        import kallithea
 
        DEFAULT_ENCODINGS = aslist(kallithea.CONFIG.get('default_encoding',
 
                                                        'utf8'), sep=',')
 
        from_encoding = DEFAULT_ENCODINGS
 

	
 
    if not isinstance(from_encoding, (list, tuple)):
 
        from_encoding = [from_encoding]
 

	
 
    try:
 
        return unicode(str_)
 
    except UnicodeDecodeError:
 
        pass
 

	
 
    for enc in from_encoding:
 
        try:
 
            return unicode(str_, enc)
 
        except UnicodeDecodeError:
 
            pass
 

	
 
    try:
 
        import chardet
 
        encoding = chardet.detect(str_)['encoding']
 
        if encoding is None:
 
            raise Exception()
 
        return str_.decode(encoding)
 
    except (ImportError, UnicodeDecodeError, Exception):
 
        return unicode(str_, from_encoding[0], 'replace')
 

	
 

	
 
def safe_str(unicode_, to_encoding=None):
 
    """
 
    safe str function. Does few trick to turn unicode_ into string
 

	
 
    In case of UnicodeEncodeError we try to return it with encoding detected
 
    by chardet library if it fails fallback to string with errors replaced
 

	
 
    :param unicode_: unicode to encode
 
    :rtype: str
 
    :returns: str object
 
    """
 

	
 
    # if it's not basestr cast to str
 
    if not isinstance(unicode_, basestring):
 
        return str(unicode_)
 

	
 
    if isinstance(unicode_, str):
 
        return unicode_
 

	
 
    if not to_encoding:
 
        import kallithea
 
        DEFAULT_ENCODINGS = aslist(kallithea.CONFIG.get('default_encoding',
 
                                                        'utf8'), sep=',')
 
        to_encoding = DEFAULT_ENCODINGS
 

	
 
    if not isinstance(to_encoding, (list, tuple)):
 
        to_encoding = [to_encoding]
 

	
 
    for enc in to_encoding:
 
        try:
 
            return unicode_.encode(enc)
 
        except UnicodeEncodeError:
 
            pass
 

	
 
    try:
 
        import chardet
 
        encoding = chardet.detect(unicode_)['encoding']
 
        if encoding is None:
 
            raise UnicodeEncodeError()
 

	
 
        return unicode_.encode(encoding)
 
    except (ImportError, UnicodeEncodeError):
 
        return unicode_.encode(to_encoding[0], 'replace')
 

	
 

	
 
def remove_suffix(s, suffix):
 
    if s.endswith(suffix):
 
        s = s[:-1 * len(suffix)]
 
    return s
 

	
 

	
 
def remove_prefix(s, prefix):
 
    if s.startswith(prefix):
 
        s = s[len(prefix):]
 
    return s
 

	
 

	
 
def engine_from_config(configuration, prefix='sqlalchemy.', **kwargs):
 
    """
 
    Custom engine_from_config functions that makes sure we use NullPool for
 
    file based sqlite databases. This prevents errors on sqlite. This only
 
    applies to sqlalchemy versions < 0.7.0
 

	
 
    """
 
    import sqlalchemy
 
    from sqlalchemy import engine_from_config as efc
 
    import logging
 

	
 
    if int(sqlalchemy.__version__.split('.')[1]) < 7:
 

	
 
        # This solution should work for sqlalchemy < 0.7.0, and should use
 
        # proxy=TimerProxy() for execution time profiling
 

	
 
        from sqlalchemy.pool import NullPool
 
        url = configuration[prefix + 'url']
 

	
 
        if url.startswith('sqlite'):
 
            kwargs.update({'poolclass': NullPool})
 
        return efc(configuration, prefix, **kwargs)
 
    else:
 
        import time
 
        from sqlalchemy import event
 

	
 
        log = logging.getLogger('sqlalchemy.engine')
 
        BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = xrange(30, 38)
 
        engine = efc(configuration, prefix, **kwargs)
 

	
 
        def color_sql(sql):
 
            COLOR_SEQ = "\033[1;%dm"
 
            COLOR_SQL = YELLOW
 
            normal = '\x1b[0m'
 
            return ''.join([COLOR_SEQ % COLOR_SQL, sql, normal])
 

	
 
        if configuration['debug']:
 
            #attach events only for debug configuration
 

	
 
            def before_cursor_execute(conn, cursor, statement,
 
                                    parameters, context, executemany):
 
                context._query_start_time = time.time()
 
                log.info(color_sql(">>>>> STARTING QUERY >>>>>"))
 

	
 
            def after_cursor_execute(conn, cursor, statement,
 
                                    parameters, context, executemany):
 
                total = time.time() - context._query_start_time
 
                log.info(color_sql("<<<<< TOTAL TIME: %f <<<<<" % total))
 

	
 
            event.listen(engine, "before_cursor_execute",
 
                         before_cursor_execute)
 
            event.listen(engine, "after_cursor_execute",
 
                         after_cursor_execute)
 

	
 
    return engine
 

	
 

	
 
def age(prevdate, show_short_version=False, now=None):
 
    """
 
    turns a datetime into an age string.
 
    If show_short_version is True, then it will generate a not so accurate but shorter string,
 
    example: 2days ago, instead of 2 days and 23 hours ago.
 

	
 
    :param prevdate: datetime object
 
    :param show_short_version: if it should aproximate the date and return a shorter string
 
    :rtype: unicode
 
    :returns: unicode words describing age
 
    """
 
    now = now or datetime.datetime.now()
 
    order = ['year', 'month', 'day', 'hour', 'minute', 'second']
 
    deltas = {}
 
    future = False
 

	
 
    if prevdate > now:
 
        now, prevdate = prevdate, now
 
        future = True
 
    if future:
 
        prevdate = prevdate.replace(microsecond=0)
 
    # Get date parts deltas
 
    from dateutil import relativedelta
 
    for part in order:
 
        d = relativedelta.relativedelta(now, prevdate)
 
        deltas[part] = getattr(d, part + 's')
 

	
 
    # Fix negative offsets (there is 1 second between 10:59:59 and 11:00:00,
 
    # not 1 hour, -59 minutes and -59 seconds)
 
    for num, length in [(5, 60), (4, 60), (3, 24)]:  # seconds, minutes, hours
 
        part = order[num]
 
        carry_part = order[num - 1]
 

	
 
        if deltas[part] < 0:
 
            deltas[part] += length
 
            deltas[carry_part] -= 1
 

	
 
    # Same thing for days except that the increment depends on the (variable)
 
    # number of days in the month
 
    month_lengths = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
 
    if deltas['day'] < 0:
 
        if prevdate.month == 2 and (prevdate.year % 4 == 0 and
 
            (prevdate.year % 100 != 0 or prevdate.year % 400 == 0)):
 
            deltas['day'] += 29
 
        else:
 
            deltas['day'] += month_lengths[prevdate.month - 1]
 

	
 
        deltas['month'] -= 1
 

	
 
    if deltas['month'] < 0:
 
        deltas['month'] += 12
 
        deltas['year'] -= 1
 

	
 
    # In short version, we want nicer handling of ages of more than a year
 
    if show_short_version:
 
        if deltas['year'] == 1:
 
            # ages between 1 and 2 years: show as months
 
            deltas['month'] += 12
 
            deltas['year'] = 0
 
        if deltas['year'] >= 2:
 
            # ages 2+ years: round
 
            if deltas['month'] > 6:
 
                deltas['year'] += 1
 
                deltas['month'] = 0
 

	
 
    # Format the result
 
    fmt_funcs = {
 
        'year': lambda d: ungettext(u'%d year', '%d years', d) % d,
 
        'month': lambda d: ungettext(u'%d month', '%d months', d) % d,
 
        'day': lambda d: ungettext(u'%d day', '%d days', d) % d,
 
        'hour': lambda d: ungettext(u'%d hour', '%d hours', d) % d,
 
        'minute': lambda d: ungettext(u'%d minute', '%d minutes', d) % d,
 
        'second': lambda d: ungettext(u'%d second', '%d seconds', d) % d,
 
    }
 

	
 
    for i, part in enumerate(order):
 
        value = deltas[part]
 
        if value == 0:
 
            continue
 

	
 
        if i < 5:
 
            sub_part = order[i + 1]
 
            sub_value = deltas[sub_part]
 
        else:
 
            sub_value = 0
 

	
 
        if sub_value == 0 or show_short_version:
 
            if future:
 
                return _(u'in %s') % fmt_funcs[part](value)
 
            else:
 
                return _(u'%s ago') % fmt_funcs[part](value)
 
        if future:
 
            return _(u'in %s and %s') % (fmt_funcs[part](value),
 
                fmt_funcs[sub_part](sub_value))
 
        else:
 
            return _(u'%s and %s ago') % (fmt_funcs[part](value),
 
                fmt_funcs[sub_part](sub_value))
 

	
 
    return _(u'just now')
 

	
 

	
 
def uri_filter(uri):
 
    """
 
    Removes user:password from given url string
 

	
 
    :param uri:
 
    :rtype: unicode
 
    :returns: filtered list of strings
 
    """
 
    if not uri:
 
        return ''
 

	
 
    proto = ''
 

	
 
    for pat in ('https://', 'http://'):
 
    for pat in ('https://', 'http://', 'git://'):
 
        if uri.startswith(pat):
 
            uri = uri[len(pat):]
 
            proto = pat
 
            break
 

	
 
    # remove passwords and username
 
    uri = uri[uri.find('@') + 1:]
 

	
 
    # get the port
 
    cred_pos = uri.find(':')
 
    if cred_pos == -1:
 
        host, port = uri, None
 
    else:
 
        host, port = uri[:cred_pos], uri[cred_pos + 1:]
 

	
 
    return filter(None, [proto, host, port])
 

	
 

	
 
def credentials_filter(uri):
 
    """
 
    Returns a url with removed credentials
 

	
 
    :param uri:
 
    """
 

	
 
    uri = uri_filter(uri)
 
    #check if we have port
 
    if len(uri) > 2 and uri[2]:
 
        uri[2] = ':' + uri[2]
 

	
 
    return ''.join(uri)
 

	
 

	
 
def get_clone_url(uri_tmpl, qualified_home_url, repo_name, repo_id, **override):
 
    parsed_url = urlobject.URLObject(qualified_home_url)
 
    decoded_path = safe_unicode(urllib.unquote(parsed_url.path.rstrip('/')))
 
    args = {
 
        'scheme': parsed_url.scheme,
 
        'user': '',
 
        'netloc': parsed_url.netloc+decoded_path,  # path if we use proxy-prefix
 
        'prefix': decoded_path,
 
        'repo': repo_name,
 
        'repoid': str(repo_id)
 
    }
 
    args.update(override)
 
    args['user'] = urllib.quote(safe_str(args['user']))
 

	
 
    for k, v in args.items():
 
        uri_tmpl = uri_tmpl.replace('{%s}' % k, v)
 

	
 
    # remove leading @ sign if it's present. Case of empty user
 
    url_obj = urlobject.URLObject(uri_tmpl)
 
    url = url_obj.with_netloc(url_obj.netloc.lstrip('@'))
 

	
 
    return safe_unicode(url)
 

	
 

	
 
def get_changeset_safe(repo, rev):
 
    """
 
    Safe version of get_changeset if this changeset doesn't exists for a
 
    repo it returns a Dummy one instead
 

	
 
    :param repo:
 
    :param rev:
 
    """
 
    from kallithea.lib.vcs.backends.base import BaseRepository
 
    from kallithea.lib.vcs.exceptions import RepositoryError
 
    from kallithea.lib.vcs.backends.base import EmptyChangeset
 
    if not isinstance(repo, BaseRepository):
 
        raise Exception('You must pass an Repository '
 
                        'object as first argument got %s', type(repo))
 

	
 
    try:
 
        cs = repo.get_changeset(rev)
 
    except (RepositoryError, LookupError):
 
        cs = EmptyChangeset(requested_revision=rev)
 
    return cs
 

	
 

	
 
def datetime_to_time(dt):
 
    if dt:
 
        return time.mktime(dt.timetuple())
 

	
 

	
 
def time_to_datetime(tm):
 
    if tm:
 
        if isinstance(tm, basestring):
 
            try:
 
                tm = float(tm)
 
            except ValueError:
 
                return
 
        return datetime.datetime.fromtimestamp(tm)
 

	
 
# Must match regexp in kallithea/public/js/base.js MentionsAutoComplete()
 
# Check char before @ - it must not look like we are in an email addresses.
 
# Matching is gready so we don't have to look beyond the end.
 
MENTIONS_REGEX = re.compile(r'(?:^|(?<=[^a-zA-Z0-9]))@([a-zA-Z0-9][-_.a-zA-Z0-9]*[a-zA-Z0-9])')
 

	
 
def extract_mentioned_users(s):
 
    r"""
 
    Returns unique usernames from given string s that have @mention
 

	
 
    :param s: string to get mentions
 

	
 
    >>> extract_mentioned_users('@1-2.a_X,@1234 not@not @ddd@not @n @ee @ff @gg, @gg;@hh @n\n@zz,')
 
    ['1-2.a_X', '1234', 'ddd', 'ee', 'ff', 'gg', 'hh', 'zz']
 
    """
 
    usrs = set()
 
    for username in MENTIONS_REGEX.findall(s):
 
        usrs.add(username)
 

	
 
    return sorted(list(usrs), key=lambda k: k.lower())
 

	
 

	
 
class AttributeDict(dict):
 
    def __getattr__(self, attr):
 
        return self.get(attr, None)
 
    __setattr__ = dict.__setitem__
 
    __delattr__ = dict.__delitem__
 

	
 

	
 
def fix_PATH(os_=None):
 
    """
 
    Get current active python path, and append it to PATH variable to fix issues
 
    of subprocess calls and different python versions
 
    """
 
    if os_ is None:
 
        import os
 
    else:
 
        os = os_
 

	
 
    cur_path = os.path.split(sys.executable)[0]
 
    if not os.environ['PATH'].startswith(cur_path):
 
        os.environ['PATH'] = '%s:%s' % (cur_path, os.environ['PATH'])
 

	
 

	
 
def obfuscate_url_pw(engine):
 
    from sqlalchemy.engine import url as sa_url
 
    from sqlalchemy.exc import ArgumentError
 
    try:
 
        _url = sa_url.make_url(engine or '')
 
    except ArgumentError:
 
        return engine
 
    if _url.password:
 
        _url.password = 'XXXXX'
 
    return str(_url)
 

	
 

	
 
def get_server_url(environ):
 
    req = webob.Request(environ)
 
    return req.host_url + req.script_name
 

	
 

	
 
def _extract_extras(env=None):
 
    """
 
    Extracts the Kallithea extras data from os.environ, and wraps it into named
 
    AttributeDict object
 
    """
 
    if not env:
 
        env = os.environ
 

	
 
    try:
 
        extras = json.loads(env['KALLITHEA_EXTRAS'])
 
    except KeyError:
 
        extras = {}
 

	
 
    try:
 
        for k in ['username', 'repository', 'locked_by', 'scm', 'make_lock',
 
                  'action', 'ip']:
 
            extras[k]
 
    except KeyError, e:
 
        raise Exception('Missing key %s in os.environ %s' % (e, extras))
 

	
 
    return AttributeDict(extras)
 

	
 

	
 
def _set_extras(extras):
 
    # RC_SCM_DATA can probably be removed in the future, but for compatibilty now...
 
    os.environ['KALLITHEA_EXTRAS'] = os.environ['RC_SCM_DATA'] = json.dumps(extras)
 

	
 

	
 
def unique_id(hexlen=32):
 
    alphabet = "23456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghjklmnpqrstuvwxyz"
 
    return suuid(truncate_to=hexlen, alphabet=alphabet)
 

	
 

	
 
def suuid(url=None, truncate_to=22, alphabet=None):
 
    """
 
    Generate and return a short URL safe UUID.
 

	
 
    If the url parameter is provided, set the namespace to the provided
 
    URL and generate a UUID.
 

	
 
    :param url to get the uuid for
 
    :truncate_to: truncate the basic 22 UUID to shorter version
 

	
 
    The IDs won't be universally unique any longer, but the probability of
 
    a collision will still be very low.
 
    """
 
    # Define our alphabet.
 
    _ALPHABET = alphabet or "23456789ABCDEFGHJKLMNPQRSTUVWXYZ"
 

	
 
    # If no URL is given, generate a random UUID.
 
    if url is None:
 
        unique_id = uuid.uuid4().int
 
    else:
 
        unique_id = uuid.uuid3(uuid.NAMESPACE_URL, url).int
 

	
 
    alphabet_length = len(_ALPHABET)
 
    output = []
 
    while unique_id > 0:
 
        digit = unique_id % alphabet_length
 
        output.append(_ALPHABET[digit])
 
        unique_id = int(unique_id / alphabet_length)
 
    return "".join(output)[:truncate_to]
 

	
 

	
 
def get_current_authuser():
 
    """
 
    Gets kallithea user from threadlocal tmpl_context variable if it's
 
    defined, else returns None.
 
    """
 
    from pylons import tmpl_context
 
    if hasattr(tmpl_context, 'authuser'):
 
        return tmpl_context.authuser
 

	
 
    return None
 

	
 

	
 
class OptionalAttr(object):
 
    """
 
    Special Optional Option that defines other attribute. Example::
 

	
 
        def test(apiuser, userid=Optional(OAttr('apiuser')):
 
            user = Optional.extract(userid)
 
            # calls
 

	
 
    """
 

	
 
    def __init__(self, attr_name):
 
        self.attr_name = attr_name
 

	
 
    def __repr__(self):
 
        return '<OptionalAttr:%s>' % self.attr_name
 

	
 
    def __call__(self):
 
        return self
 

	
 
#alias
 
OAttr = OptionalAttr
 

	
 

	
 
class Optional(object):
 
    """
 
    Defines an optional parameter::
 

	
 
        param = param.getval() if isinstance(param, Optional) else param
 
        param = param() if isinstance(param, Optional) else param
 

	
 
    is equivalent of::
 

	
 
        param = Optional.extract(param)
 

	
 
    """
 

	
 
    def __init__(self, type_):
 
        self.type_ = type_
 

	
 
    def __repr__(self):
 
        return '<Optional:%s>' % self.type_.__repr__()
 

	
 
    def __call__(self):
 
        return self.getval()
 

	
 
    def getval(self):
 
        """
 
        returns value from this Optional instance
 
        """
 
        if isinstance(self.type_, OAttr):
 
            # use params name
 
            return self.type_.attr_name
 
        return self.type_
 

	
 
    @classmethod
 
    def extract(cls, val):
 
        """
 
        Extracts value from Optional() instance
 

	
 
        :param val:
 
        :return: original value if it's not Optional instance else
 
            value of instance
 
        """
 
        if isinstance(val, cls):
 
            return val.getval()
 
        return val
 

	
 
def urlreadable(s, _cleanstringsub=re.compile('[^-a-zA-Z0-9./]+').sub):
 
    return _cleanstringsub('_', safe_str(s)).rstrip('_')
kallithea/lib/vcs/backends/git/repository.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
"""
 
    vcs.backends.git.repository
 
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

	
 
    Git repository implementation.
 

	
 
    :created_on: Apr 8, 2010
 
    :copyright: (c) 2010-2011 by Marcin Kuzminski, Lukasz Balcerzak.
 
"""
 

	
 
import os
 
import re
 
import time
 
import errno
 
import urllib
 
import urllib2
 
import logging
 
import posixpath
 
import string
 

	
 
from dulwich.objects import Tag
 
from dulwich.repo import Repo, NotGitRepository
 
from dulwich.config import ConfigFile
 

	
 
from kallithea.lib.vcs import subprocessio
 
from kallithea.lib.vcs.backends.base import BaseRepository, CollectionGenerator
 
from kallithea.lib.vcs.conf import settings
 

	
 
from kallithea.lib.vcs.exceptions import (
 
    BranchDoesNotExistError, ChangesetDoesNotExistError, EmptyRepositoryError,
 
    RepositoryError, TagAlreadyExistError, TagDoesNotExistError
 
)
 
from kallithea.lib.vcs.utils import safe_unicode, makedate, date_fromtimestamp
 
from kallithea.lib.vcs.utils.lazy import LazyProperty
 
from kallithea.lib.vcs.utils.ordered_dict import OrderedDict
 
from kallithea.lib.vcs.utils.paths import abspath, get_user_home
 

	
 
from kallithea.lib.vcs.utils.hgcompat import (
 
    hg_url, httpbasicauthhandler, httpdigestauthhandler
 
)
 

	
 
from .changeset import GitChangeset
 
from .inmemory import GitInMemoryChangeset
 
from .workdir import GitWorkdir
 

	
 
SHA_PATTERN = re.compile(r'^[[0-9a-fA-F]{12}|[0-9a-fA-F]{40}]$')
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class GitRepository(BaseRepository):
 
    """
 
    Git repository backend.
 
    """
 
    DEFAULT_BRANCH_NAME = 'master'
 
    scm = 'git'
 

	
 
    def __init__(self, repo_path, create=False, src_url=None,
 
                 update_after_clone=False, bare=False):
 

	
 
        self.path = abspath(repo_path)
 
        repo = self._get_repo(create, src_url, update_after_clone, bare)
 
        self.bare = repo.bare
 

	
 
    @property
 
    def _config_files(self):
 
        return [
 
            self.bare and abspath(self.path, 'config')
 
                      or abspath(self.path, '.git', 'config'),
 
             abspath(get_user_home(), '.gitconfig'),
 
         ]
 

	
 
    @property
 
    def _repo(self):
 
        return Repo(self.path)
 

	
 
    @property
 
    def head(self):
 
        try:
 
            return self._repo.head()
 
        except KeyError:
 
            return None
 

	
 
    @property
 
    def _empty(self):
 
        """
 
        Checks if repository is empty ie. without any changesets
 
        """
 

	
 
        try:
 
            self.revisions[0]
 
        except (KeyError, IndexError):
 
            return True
 
        return False
 

	
 
    @LazyProperty
 
    def revisions(self):
 
        """
 
        Returns list of revisions' ids, in ascending order.  Being lazy
 
        attribute allows external tools to inject shas from cache.
 
        """
 
        return self._get_all_revisions()
 

	
 
    @classmethod
 
    def _run_git_command(cls, cmd, **opts):
 
        """
 
        Runs given ``cmd`` as git command and returns tuple
 
        (stdout, stderr).
 

	
 
        :param cmd: git command to be executed
 
        :param opts: env options to pass into Subprocess command
 
        """
 

	
 
        if '_bare' in opts:
 
            _copts = []
 
            del opts['_bare']
 
        else:
 
            _copts = ['-c', 'core.quotepath=false', ]
 
        safe_call = False
 
        if '_safe' in opts:
 
            #no exc on failure
 
            del opts['_safe']
 
            safe_call = True
 

	
 
        assert isinstance(cmd, list), cmd
 

	
 
        gitenv = os.environ
 
        # need to clean fix GIT_DIR !
 
        if 'GIT_DIR' in gitenv:
 
            del gitenv['GIT_DIR']
 
        gitenv['GIT_CONFIG_NOGLOBAL'] = '1'
 

	
 
        _git_path = settings.GIT_EXECUTABLE_PATH
 
        cmd = [_git_path] + _copts + cmd
 

	
 
        try:
 
            _opts = dict(
 
                env=gitenv,
 
                shell=False,
 
            )
 
            _opts.update(opts)
 
            p = subprocessio.SubprocessIOChunker(cmd, **_opts)
 
        except (EnvironmentError, OSError), err:
 
            tb_err = ("Couldn't run git command (%s).\n"
 
                      "Original error was:%s\n" % (cmd, err))
 
            log.error(tb_err)
 
            if safe_call:
 
                return '', err
 
            else:
 
                raise RepositoryError(tb_err)
 

	
 
        return ''.join(p.output), ''.join(p.error)
 

	
 
    def run_git_command(self, cmd):
 
        opts = {}
 
        if os.path.isdir(self.path):
 
            opts['cwd'] = self.path
 
        return self._run_git_command(cmd, **opts)
 

	
 
    @classmethod
 
    def _check_url(cls, url):
 
        """
 
        Function will check given url and try to verify if it's a valid
 
        link. Sometimes it may happened that git will issue basic
 
        auth request that can cause whole API to hang when used from python
 
        or other external calls.
 

	
 
        On failures it'll raise urllib2.HTTPError, exception is also thrown
 
        when the return code is non 200
 
        """
 

	
 
        # check first if it's not an local url
 
        if os.path.isdir(url) or url.startswith('file:'):
 
            return True
 

	
 
        if url.startswith('git://'):
 
            return True
 

	
 
        if '+' in url[:url.find('://')]:
 
            url = url[url.find('+') + 1:]
 

	
 
        handlers = []
 
        url_obj = hg_url(url)
 
        test_uri, authinfo = url_obj.authinfo()
 
        url_obj.passwd = '*****'
 
        cleaned_uri = str(url_obj)
 

	
 
        if not test_uri.endswith('info/refs'):
 
            test_uri = test_uri.rstrip('/') + '/info/refs'
 

	
 
        if authinfo:
 
            #create a password manager
 
            passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
 
            passmgr.add_password(*authinfo)
 

	
 
            handlers.extend((httpbasicauthhandler(passmgr),
 
                             httpdigestauthhandler(passmgr)))
 

	
 
        o = urllib2.build_opener(*handlers)
 
        o.addheaders = [('User-Agent', 'git/1.7.8.0')]  # fake some git
 

	
 
        q = {"service": 'git-upload-pack'}
 
        qs = '?%s' % urllib.urlencode(q)
 
        cu = "%s%s" % (test_uri, qs)
 
        req = urllib2.Request(cu, None, {})
 

	
 
        try:
 
            resp = o.open(req)
 
            if resp.code != 200:
 
                raise Exception('Return Code is not 200')
 
        except Exception, e:
 
            # means it cannot be cloned
 
            raise urllib2.URLError("[%s] org_exc: %s" % (cleaned_uri, e))
 

	
 
        # now detect if it's proper git repo
 
        gitdata = resp.read()
 
        if not 'service=git-upload-pack' in gitdata:
 
            raise urllib2.URLError(
 
                "url [%s] does not look like an git" % (cleaned_uri))
 

	
 
        return True
 

	
 
    def _get_repo(self, create, src_url=None, update_after_clone=False,
 
                  bare=False):
 
        if create and os.path.exists(self.path):
 
            raise RepositoryError("Location already exist")
 
        if src_url and not create:
 
            raise RepositoryError("Create should be set to True if src_url is "
 
                                  "given (clone operation creates repository)")
 
        try:
 
            if create and src_url:
 
                GitRepository._check_url(src_url)
 
                self.clone(src_url, update_after_clone, bare)
 
                return Repo(self.path)
 
            elif create:
 
                os.makedirs(self.path)
 
                if bare:
 
                    return Repo.init_bare(self.path)
 
                else:
 
                    return Repo.init(self.path)
 
            else:
 
                return self._repo
 
        except (NotGitRepository, OSError), err:
 
            raise RepositoryError(err)
 

	
 
    def _get_all_revisions(self):
 
        # we must check if this repo is not empty, since later command
 
        # fails if it is. And it's cheaper to ask than throw the subprocess
 
        # errors
 
        try:
 
            self._repo.head()
 
        except KeyError:
 
            return []
 

	
 
        rev_filter = settings.GIT_REV_FILTER
 
        cmd = ['rev-list', rev_filter, '--reverse', '--date-order']
 
        try:
 
            so, se = self.run_git_command(cmd)
 
        except RepositoryError:
 
            # Can be raised for empty repositories
 
            return []
 
        return so.splitlines()
 

	
 
    def _get_all_revisions2(self):
 
        #alternate implementation using dulwich
 
        includes = [x[1][0] for x in self._parsed_refs.iteritems()
 
                    if x[1][1] != 'T']
 
        return [c.commit.id for c in self._repo.get_walker(include=includes)]
 

	
 
    def _get_revision(self, revision):
 
        """
 
        For git backend we always return integer here. This way we ensure
 
        that changeset's revision attribute would become integer.
 
        """
 

	
 
        is_null = lambda o: len(o) == revision.count('0')
 

	
 
        if self._empty:
 
            raise EmptyRepositoryError("There are no changesets yet")
 

	
 
        if revision in (None, '', 'tip', 'HEAD', 'head', -1):
 
            return self.revisions[-1]
 

	
 
        is_bstr = isinstance(revision, (str, unicode))
 
        if ((is_bstr and revision.isdigit() and len(revision) < 12)
 
            or isinstance(revision, int) or is_null(revision)):
 
            try:
 
                revision = self.revisions[int(revision)]
 
            except IndexError:
 
                msg = ("Revision %s does not exist for %s" % (revision, self))
 
                raise ChangesetDoesNotExistError(msg)
 

	
 
        elif is_bstr:
 
            # get by branch/tag name
 
            _ref_revision = self._parsed_refs.get(revision)
 
            if _ref_revision:  # and _ref_revision[1] in ['H', 'RH', 'T']:
 
                return _ref_revision[0]
 

	
 
            _tags_shas = self.tags.values()
 
            # maybe it's a tag ? we don't have them in self.revisions
 
            if revision in _tags_shas:
 
                return _tags_shas[_tags_shas.index(revision)]
 

	
 
            elif not SHA_PATTERN.match(revision) or revision not in self.revisions:
 
                msg = ("Revision %s does not exist for %s" % (revision, self))
 
                raise ChangesetDoesNotExistError(msg)
 

	
 
        # Ensure we return full id
 
        if not SHA_PATTERN.match(str(revision)):
 
            raise ChangesetDoesNotExistError("Given revision %s not recognized"
 
                % revision)
 
        return revision
 

	
 
    def get_ref_revision(self, ref_type, ref_name):
 
        """
 
        Returns ``MercurialChangeset`` object representing repository's
 
        changeset at the given ``revision``.
 
        """
 
        return self._get_revision(ref_name)
 

	
 
    def _get_archives(self, archive_name='tip'):
 

	
 
        for i in [('zip', '.zip'), ('gz', '.tar.gz'), ('bz2', '.tar.bz2')]:
 
                yield {"type": i[0], "extension": i[1], "node": archive_name}
 

	
 
    def _get_url(self, url):
 
        """
 
        Returns normalized url. If schema is not given, would fall to
 
        filesystem (``file:///``) schema.
 
        """
 
        url = str(url)
 
        if url != 'default' and not '://' in url:
 
            url = ':///'.join(('file', url))
 
        return url
 

	
 
    def get_hook_location(self):
 
        """
 
        returns absolute path to location where hooks are stored
 
        """
 
        loc = os.path.join(self.path, 'hooks')
 
        if not self.bare:
 
            loc = os.path.join(self.path, '.git', 'hooks')
 
        return loc
 

	
 
    @LazyProperty
 
    def name(self):
 
        return os.path.basename(self.path)
 

	
 
    @LazyProperty
 
    def last_change(self):
 
        """
 
        Returns last change made on this repository as datetime object
 
        """
 
        return date_fromtimestamp(self._get_mtime(), makedate()[1])
 

	
 
    def _get_mtime(self):
 
        try:
 
            return time.mktime(self.get_changeset().date.timetuple())
 
        except RepositoryError:
 
            idx_loc = '' if self.bare else '.git'
 
            # fallback to filesystem
 
            in_path = os.path.join(self.path, idx_loc, "index")
 
            he_path = os.path.join(self.path, idx_loc, "HEAD")
 
            if os.path.exists(in_path):
 
                return os.stat(in_path).st_mtime
 
            else:
 
                return os.stat(he_path).st_mtime
 

	
 
    @LazyProperty
 
    def description(self):
 
        undefined_description = u'unknown'
 
        _desc = self._repo.get_description()
 
        return safe_unicode(_desc or undefined_description)
 

	
 
    @LazyProperty
 
    def contact(self):
 
        undefined_contact = u'Unknown'
 
        return undefined_contact
 

	
 
    @property
 
    def branches(self):
 
        if not self.revisions:
 
            return {}
 
        sortkey = lambda ctx: ctx[0]
 
        _branches = [(x[0], x[1][0])
 
                     for x in self._parsed_refs.iteritems() if x[1][1] == 'H']
 
        return OrderedDict(sorted(_branches, key=sortkey, reverse=False))
 

	
 
    @LazyProperty
 
    def closed_branches(self):
 
        return {}
 

	
 
    @LazyProperty
 
    def tags(self):
 
        return self._get_tags()
 

	
 
    def _get_tags(self):
 
        if not self.revisions:
 
            return {}
 

	
 
        sortkey = lambda ctx: ctx[0]
 
        _tags = [(x[0], x[1][0])
 
                 for x in self._parsed_refs.iteritems() if x[1][1] == 'T']
 
        return OrderedDict(sorted(_tags, key=sortkey, reverse=True))
 

	
 
    def tag(self, name, user, revision=None, message=None, date=None,
 
            **kwargs):
 
        """
 
        Creates and returns a tag for the given ``revision``.
 

	
 
        :param name: name for new tag
 
        :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
 
        :param revision: changeset id for which new tag would be created
 
        :param message: message of the tag's commit
 
        :param date: date of tag's commit
 

	
 
        :raises TagAlreadyExistError: if tag with same name already exists
 
        """
 
        if name in self.tags:
 
            raise TagAlreadyExistError("Tag %s already exists" % name)
 
        changeset = self.get_changeset(revision)
 
        message = message or "Added tag %s for commit %s" % (name,
 
            changeset.raw_id)
 
        self._repo.refs["refs/tags/%s" % name] = changeset._commit.id
 

	
 
        self._parsed_refs = self._get_parsed_refs()
 
        self.tags = self._get_tags()
 
        return changeset
 

	
 
    def remove_tag(self, name, user, message=None, date=None):
 
        """
 
        Removes tag with the given ``name``.
 

	
 
        :param name: name of the tag to be removed
 
        :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
 
        :param message: message of the tag's removal commit
 
        :param date: date of tag's removal commit
 

	
 
        :raises TagDoesNotExistError: if tag with given name does not exists
 
        """
 
        if name not in self.tags:
 
            raise TagDoesNotExistError("Tag %s does not exist" % name)
 
        tagpath = posixpath.join(self._repo.refs.path, 'refs', 'tags', name)
 
        try:
 
            os.remove(tagpath)
 
            self._parsed_refs = self._get_parsed_refs()
 
            self.tags = self._get_tags()
 
        except OSError, e:
 
            raise RepositoryError(e.strerror)
 

	
 
    @LazyProperty
 
    def bookmarks(self):
 
        """
 
        Gets bookmarks for this repository
 
        """
 
        return {}
 

	
 
    @LazyProperty
 
    def _parsed_refs(self):
 
        return self._get_parsed_refs()
 

	
 
    def _get_parsed_refs(self):
 
        # cache the property
 
        _repo = self._repo
 
        refs = _repo.get_refs()
 
        keys = [('refs/heads/', 'H'),
 
                ('refs/remotes/origin/', 'RH'),
 
                ('refs/tags/', 'T')]
 
        _refs = {}
 
        for ref, sha in refs.iteritems():
 
            for k, type_ in keys:
 
                if ref.startswith(k):
 
                    _key = ref[len(k):]
 
                    if type_ == 'T':
 
                        obj = _repo.get_object(sha)
 
                        if isinstance(obj, Tag):
 
                            sha = _repo.get_object(sha).object[1]
 
                    _refs[_key] = [sha, type_]
 
                    break
 
        return _refs
 

	
 
    def _heads(self, reverse=False):
 
        refs = self._repo.get_refs()
 
        heads = {}
 

	
 
        for key, val in refs.items():
 
            for ref_key in ['refs/heads/', 'refs/remotes/origin/']:
 
                if key.startswith(ref_key):
 
                    n = key[len(ref_key):]
 
                    if n not in ['HEAD']:
 
                        heads[n] = val
 

	
 
        return heads if reverse else dict((y, x) for x, y in heads.iteritems())
 

	
 
    def get_changeset(self, revision=None):
 
        """
 
        Returns ``GitChangeset`` object representing commit from git repository
 
        at the given revision or head (most recent commit) if None given.
 
        """
 
        if isinstance(revision, GitChangeset):
 
            return revision
 
        revision = self._get_revision(revision)
 
        changeset = GitChangeset(repository=self, revision=revision)
 
        return changeset
 

	
 
    def get_changesets(self, start=None, end=None, start_date=None,
 
           end_date=None, branch_name=None, reverse=False):
 
        """
 
        Returns iterator of ``GitChangeset`` objects from start to end (both
 
        are inclusive), in ascending date order (unless ``reverse`` is set).
 

	
 
        :param start: changeset ID, as str; first returned changeset
 
        :param end: changeset ID, as str; last returned changeset
 
        :param start_date: if specified, changesets with commit date less than
 
          ``start_date`` would be filtered out from returned set
 
        :param end_date: if specified, changesets with commit date greater than
 
          ``end_date`` would be filtered out from returned set
 
        :param branch_name: if specified, changesets not reachable from given
 
          branch would be filtered out from returned set
 
        :param reverse: if ``True``, returned generator would be reversed
 
          (meaning that returned changesets would have descending date order)
 

	
 
        :raise BranchDoesNotExistError: If given ``branch_name`` does not
 
            exist.
 
        :raise ChangesetDoesNotExistError: If changeset for given ``start`` or
 
          ``end`` could not be found.
 

	
 
        """
 
        if branch_name and branch_name not in self.branches:
 
            raise BranchDoesNotExistError("Branch '%s' not found" \
 
                                          % branch_name)
 
        # actually we should check now if it's not an empty repo to not spaw
 
        # subprocess commands
 
        if self._empty:
 
            raise EmptyRepositoryError("There are no changesets yet")
 

	
 
        # %H at format means (full) commit hash, initial hashes are retrieved
 
        # in ascending date order
 
        cmd = ['log', '--date-order', '--reverse', '--pretty=format:%H']
 
        if start_date:
 
            cmd += ['--since', start_date.strftime('%m/%d/%y %H:%M:%S')]
 
        if end_date:
 
            cmd += ['--until', end_date.strftime('%m/%d/%y %H:%M:%S')]
 
        if branch_name:
 
            cmd.append(branch_name)
 
        else:
 
            cmd.append(settings.GIT_REV_FILTER)
 

	
 
        revs = self.run_git_command(cmd)[0].splitlines()
 
        start_pos = 0
 
        end_pos = len(revs)
 
        if start:
 
            _start = self._get_revision(start)
 
            try:
 
                start_pos = revs.index(_start)
 
            except ValueError:
 
                pass
 

	
 
        if end is not None:
 
            _end = self._get_revision(end)
 
            try:
 
                end_pos = revs.index(_end)
kallithea/model/validators.py
Show inline comments
 
@@ -77,769 +77,769 @@ def M(self, key, state=None, **kwargs):
 
def UniqueListFromString():
 
    class _UniqueListFromString(formencode.FancyValidator):
 
        """
 
        Split value on ',' and make unique while preserving order
 
        """
 
        messages = dict(
 
            empty=_('Value cannot be an empty list'),
 
            missing_value=_('Value cannot be an empty list'),
 
        )
 

	
 
        def _to_python(self, value, state):
 
            value = aslist(value, ',')
 
            seen = set()
 
            return [c for c in value if not (c in seen or seen.add(c))]
 

	
 
        def empty_value(self, value):
 
            return []
 

	
 
    return _UniqueListFromString
 

	
 

	
 
def ValidUsername(edit=False, old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'username_exists': _(u'Username "%(username)s" already exists'),
 
            'system_invalid_username':
 
                _(u'Username "%(username)s" is forbidden'),
 
            'invalid_username':
 
                _(u'Username may only contain alphanumeric characters '
 
                    'underscores, periods or dashes and must begin with '
 
                    'alphanumeric character or underscore')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if value in ['default', 'new_user']:
 
                msg = M(self, 'system_invalid_username', state, username=value)
 
                raise formencode.Invalid(msg, value, state)
 
            #check if user is unique
 
            old_un = None
 
            if edit:
 
                old_un = User.get(old_data.get('user_id')).username
 

	
 
            if old_un != value or not edit:
 
                if User.get_by_username(value, case_insensitive=True):
 
                    msg = M(self, 'username_exists', state, username=value)
 
                    raise formencode.Invalid(msg, value, state)
 

	
 
            if re.match(r'^[a-zA-Z0-9\_]{1}[a-zA-Z0-9\-\_\.]*$', value) is None:
 
                msg = M(self, 'invalid_username', state)
 
                raise formencode.Invalid(msg, value, state)
 
    return _validator
 

	
 

	
 
def ValidRegex(msg=None):
 
    class _validator(formencode.validators.Regex):
 
        messages = dict(invalid=msg or _('The input is not valid'))
 
    return _validator
 

	
 

	
 
def ValidRepoUser():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_username': _(u'Username %(username)s is not valid')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            try:
 
                User.query().filter(User.active == True)\
 
                    .filter(User.username == value).one()
 
            except sqlalchemy.exc.InvalidRequestError: # NoResultFound/MultipleResultsFound
 
                msg = M(self, 'invalid_username', state, username=value)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(username=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidUserGroup(edit=False, old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_group': _(u'Invalid user group name'),
 
            'group_exist': _(u'User group "%(usergroup)s" already exists'),
 
            'invalid_usergroup_name':
 
                _(u'user group name may only contain alphanumeric '
 
                  'characters underscores, periods or dashes and must begin '
 
                  'with alphanumeric character')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if value in ['default']:
 
                msg = M(self, 'invalid_group', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(users_group_name=msg)
 
                )
 
            #check if group is unique
 
            old_ugname = None
 
            if edit:
 
                old_id = old_data.get('users_group_id')
 
                old_ugname = UserGroup.get(old_id).users_group_name
 

	
 
            if old_ugname != value or not edit:
 
                is_existing_group = UserGroup.get_by_group_name(value,
 
                                                        case_insensitive=True)
 
                if is_existing_group:
 
                    msg = M(self, 'group_exist', state, usergroup=value)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(users_group_name=msg)
 
                    )
 

	
 
            if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:
 
                msg = M(self, 'invalid_usergroup_name', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(users_group_name=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidRepoGroup(edit=False, old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'group_parent_id': _(u'Cannot assign this group as parent'),
 
            'group_exists': _(u'Group "%(group_name)s" already exists'),
 
            'repo_exists':
 
                _(u'Repository with name "%(group_name)s" already exists')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            # TODO WRITE VALIDATIONS
 
            group_name = value.get('group_name')
 
            group_parent_id = value.get('group_parent_id')
 

	
 
            # slugify repo group just in case :)
 
            slug = repo_name_slug(group_name)
 

	
 
            # check for parent of self
 
            parent_of_self = lambda: (
 
                old_data['group_id'] == int(group_parent_id)
 
                if group_parent_id else False
 
            )
 
            if edit and parent_of_self():
 
                msg = M(self, 'group_parent_id', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(group_parent_id=msg)
 
                )
 

	
 
            old_gname = None
 
            if edit:
 
                old_gname = RepoGroup.get(old_data.get('group_id')).group_name
 

	
 
            if old_gname != group_name or not edit:
 

	
 
                # check group
 
                gr = RepoGroup.query()\
 
                      .filter(RepoGroup.group_name == slug)\
 
                      .filter(RepoGroup.group_parent_id == group_parent_id)\
 
                      .scalar()
 

	
 
                if gr:
 
                    msg = M(self, 'group_exists', state, group_name=slug)
 
                    raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(group_name=msg)
 
                    )
 

	
 
                # check for same repo
 
                repo = Repository.query()\
 
                      .filter(Repository.repo_name == slug)\
 
                      .scalar()
 

	
 
                if repo:
 
                    msg = M(self, 'repo_exists', state, group_name=slug)
 
                    raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(group_name=msg)
 
                    )
 

	
 
    return _validator
 

	
 

	
 
def ValidPassword():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_password':
 
                _(u'Invalid characters (non-ascii) in password')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            try:
 
                (value or '').decode('ascii')
 
            except UnicodeError:
 
                msg = M(self, 'invalid_password', state)
 
                raise formencode.Invalid(msg, value, state,)
 
    return _validator
 

	
 

	
 
def ValidOldPassword(username):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_password': _(u'Invalid old password')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            from kallithea.lib import auth_modules
 
            if not auth_modules.authenticate(username, value, ''):
 
                msg = M(self, 'invalid_password', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(current_password=msg)
 
                )
 
    return _validator
 

	
 

	
 
def ValidPasswordsMatch(passwd='new_password', passwd_confirmation='password_confirmation'):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'password_mismatch': _(u'Passwords do not match'),
 
        }
 

	
 
        def validate_python(self, value, state):
 

	
 
            pass_val = value.get('password') or value.get(passwd)
 
            if pass_val != value[passwd_confirmation]:
 
                msg = M(self, 'password_mismatch', state)
 
                raise formencode.Invalid(msg, value, state,
 
                     error_dict={passwd:msg, passwd_confirmation: msg}
 
                )
 
    return _validator
 

	
 

	
 
def ValidAuth():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_password': _(u'invalid password'),
 
            'invalid_username': _(u'invalid user name'),
 
            'disabled_account': _(u'Your account is disabled')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            from kallithea.lib import auth_modules
 

	
 
            password = value['password']
 
            username = value['username']
 

	
 
            if not auth_modules.authenticate(username, password):
 
                user = User.get_by_username(username)
 
                if user and not user.active:
 
                    log.warning('user %s is disabled' % username)
 
                    msg = M(self, 'disabled_account', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(username=msg)
 
                    )
 
                else:
 
                    log.warning('user %s failed to authenticate' % username)
 
                    msg = M(self, 'invalid_username', state)
 
                    msg2 = M(self, 'invalid_password', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(username=msg, password=msg2)
 
                    )
 
    return _validator
 

	
 

	
 
def ValidAuthToken():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_token': _(u'Token mismatch')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if value != authentication_token():
 
                msg = M(self, 'invalid_token', state)
 
                raise formencode.Invalid(msg, value, state)
 
    return _validator
 

	
 

	
 
def ValidRepoName(edit=False, old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_repo_name':
 
                _(u'Repository name %(repo)s is disallowed'),
 
            'repository_exists':
 
                _(u'Repository named %(repo)s already exists'),
 
            'repository_in_group_exists': _(u'Repository "%(repo)s" already '
 
                                            'exists in group "%(group)s"'),
 
            'same_group_exists': _(u'Repository group with name "%(repo)s" '
 
                                   'already exists')
 
        }
 

	
 
        def _to_python(self, value, state):
 
            repo_name = repo_name_slug(value.get('repo_name', ''))
 
            repo_group = value.get('repo_group')
 
            if repo_group:
 
                gr = RepoGroup.get(repo_group)
 
                group_path = gr.full_path
 
                group_name = gr.group_name
 
                # value needs to be aware of group name in order to check
 
                # db key This is an actual just the name to store in the
 
                # database
 
                repo_name_full = group_path + RepoGroup.url_sep() + repo_name
 
            else:
 
                group_name = group_path = ''
 
                repo_name_full = repo_name
 

	
 
            value['repo_name'] = repo_name
 
            value['repo_name_full'] = repo_name_full
 
            value['group_path'] = group_path
 
            value['group_name'] = group_name
 
            return value
 

	
 
        def validate_python(self, value, state):
 

	
 
            repo_name = value.get('repo_name')
 
            repo_name_full = value.get('repo_name_full')
 
            group_path = value.get('group_path')
 
            group_name = value.get('group_name')
 

	
 
            if repo_name in [ADMIN_PREFIX, '']:
 
                msg = M(self, 'invalid_repo_name', state, repo=repo_name)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(repo_name=msg)
 
                )
 

	
 
            rename = old_data.get('repo_name') != repo_name_full
 
            create = not edit
 
            if rename or create:
 

	
 
                if group_path != '':
 
                    if Repository.get_by_repo_name(repo_name_full):
 
                        msg = M(self, 'repository_in_group_exists', state,
 
                                repo=repo_name, group=group_name)
 
                        raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(repo_name=msg)
 
                        )
 
                elif RepoGroup.get_by_group_name(repo_name_full):
 
                        msg = M(self, 'same_group_exists', state,
 
                                repo=repo_name)
 
                        raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(repo_name=msg)
 
                        )
 

	
 
                elif Repository.get_by_repo_name(repo_name_full):
 
                        msg = M(self, 'repository_exists', state,
 
                                repo=repo_name)
 
                        raise formencode.Invalid(msg, value, state,
 
                            error_dict=dict(repo_name=msg)
 
                        )
 
            return value
 
    return _validator
 

	
 

	
 
def ValidForkName(*args, **kwargs):
 
    return ValidRepoName(*args, **kwargs)
 

	
 

	
 
def SlugifyName():
 
    class _validator(formencode.validators.FancyValidator):
 

	
 
        def _to_python(self, value, state):
 
            return repo_name_slug(value)
 

	
 
        def validate_python(self, value, state):
 
            pass
 

	
 
    return _validator
 

	
 

	
 
def ValidCloneUri():
 
    from kallithea.lib.utils import make_ui
 

	
 
    def url_handler(repo_type, url, ui):
 
        if repo_type == 'hg':
 
            from kallithea.lib.vcs.backends.hg.repository import MercurialRepository
 
            if url.startswith('http') or url.startswith('ssh'):
 
                # initially check if it's at least the proper URL
 
                # or does it pass basic auth
 
                MercurialRepository._check_url(url, ui)
 
            elif url.startswith('svn+http'):
 
                from hgsubversion.svnrepo import svnremoterepo
 
                svnremoterepo(ui, url).svn.uuid
 
            elif url.startswith('git+http'):
 
                raise NotImplementedError()
 
            else:
 
                raise Exception('clone from URI %s not allowed' % (url,))
 

	
 
        elif repo_type == 'git':
 
            from kallithea.lib.vcs.backends.git.repository import GitRepository
 
            if url.startswith('http'):
 
            if url.startswith('http') or url.startswith('git'):
 
                # initially check if it's at least the proper URL
 
                # or does it pass basic auth
 
                GitRepository._check_url(url)
 
            elif url.startswith('svn+http'):
 
                raise NotImplementedError()
 
            elif url.startswith('hg+http'):
 
                raise NotImplementedError()
 
            else:
 
                raise Exception('clone from URI %s not allowed' % (url))
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'clone_uri': _(u'Invalid repository URL'),
 
            'invalid_clone_uri': _(u'Invalid repository URL. It must be a '
 
                                    'valid http, https, ssh, svn+http or svn+https URL'),
 
        }
 

	
 
        def validate_python(self, value, state):
 
            repo_type = value.get('repo_type')
 
            url = value.get('clone_uri')
 

	
 
            if not url:
 
                pass
 
            else:
 
                try:
 
                    url_handler(repo_type, url, make_ui('db', clear_session=False))
 
                except Exception:
 
                    log.exception('URL validation failed')
 
                    msg = M(self, 'clone_uri')
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(clone_uri=msg)
 
                    )
 
    return _validator
 

	
 

	
 
def ValidForkType(old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_fork_type': _(u'Fork has to be the same type as parent')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if old_data['repo_type'] != value:
 
                msg = M(self, 'invalid_fork_type', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(repo_type=msg)
 
                )
 
    return _validator
 

	
 

	
 
def CanWriteGroup(old_data=None):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'permission_denied': _(u"You don't have permissions "
 
                                   "to create repository in this group"),
 
            'permission_denied_root': _(u"no permission to create repository "
 
                                        "in root location")
 
        }
 

	
 
        def _to_python(self, value, state):
 
            #root location
 
            if value in [-1, "-1"]:
 
                return None
 
            return value
 

	
 
        def validate_python(self, value, state):
 
            gr = RepoGroup.get(value)
 
            gr_name = gr.group_name if gr else None  # None means ROOT location
 
            # create repositories with write permission on group is set to true
 
            create_on_write = HasPermissionAny('hg.create.write_on_repogroup.true')()
 
            group_admin = HasRepoGroupPermissionAny('group.admin')(gr_name,
 
                                            'can write into group validator')
 
            group_write = HasRepoGroupPermissionAny('group.write')(gr_name,
 
                                            'can write into group validator')
 
            forbidden = not (group_admin or (group_write and create_on_write))
 
            can_create_repos = HasPermissionAny('hg.admin', 'hg.create.repository')
 
            gid = (old_data['repo_group'].get('group_id')
 
                   if (old_data and 'repo_group' in old_data) else None)
 
            value_changed = gid != safe_int(value)
 
            new = not old_data
 
            # do check if we changed the value, there's a case that someone got
 
            # revoked write permissions to a repository, he still created, we
 
            # don't need to check permission if he didn't change the value of
 
            # groups in form box
 
            if value_changed or new:
 
                #parent group need to be existing
 
                if gr and forbidden:
 
                    msg = M(self, 'permission_denied', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(repo_type=msg)
 
                    )
 
                ## check if we can write to root location !
 
                elif gr is None and not can_create_repos():
 
                    msg = M(self, 'permission_denied_root', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(repo_type=msg)
 
                    )
 

	
 
    return _validator
 

	
 

	
 
def CanCreateGroup(can_create_in_root=False):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'permission_denied': _(u"You don't have permissions "
 
                                   "to create a group in this location")
 
        }
 

	
 
        def to_python(self, value, state):
 
            #root location
 
            if value in [-1, "-1"]:
 
                return None
 
            return value
 

	
 
        def validate_python(self, value, state):
 
            gr = RepoGroup.get(value)
 
            gr_name = gr.group_name if gr else None  # None means ROOT location
 

	
 
            if can_create_in_root and gr is None:
 
                #we can create in root, we're fine no validations required
 
                return
 

	
 
            forbidden_in_root = gr is None and not can_create_in_root
 
            val = HasRepoGroupPermissionAny('group.admin')
 
            forbidden = not val(gr_name, 'can create group validator')
 
            if forbidden_in_root or forbidden:
 
                msg = M(self, 'permission_denied', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(group_parent_id=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidPerms(type_='repo'):
 
    if type_ == 'repo_group':
 
        EMPTY_PERM = 'group.none'
 
    elif type_ == 'repo':
 
        EMPTY_PERM = 'repository.none'
 
    elif type_ == 'user_group':
 
        EMPTY_PERM = 'usergroup.none'
 

	
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'perm_new_member_name':
 
                _(u'This username or user group name is not valid')
 
        }
 

	
 
        def to_python(self, value, state):
 
            perms_update = OrderedSet()
 
            perms_new = OrderedSet()
 
            # build a list of permission to update and new permission to create
 

	
 
            #CLEAN OUT ORG VALUE FROM NEW MEMBERS, and group them using
 
            new_perms_group = defaultdict(dict)
 
            for k, v in value.copy().iteritems():
 
                if k.startswith('perm_new_member'):
 
                    del value[k]
 
                    _type, part = k.split('perm_new_member_')
 
                    args = part.split('_')
 
                    if len(args) == 1:
 
                        new_perms_group[args[0]]['perm'] = v
 
                    elif len(args) == 2:
 
                        _key, pos = args
 
                        new_perms_group[pos][_key] = v
 

	
 
            # fill new permissions in order of how they were added
 
            for k in sorted(map(int, new_perms_group.keys())):
 
                perm_dict = new_perms_group[str(k)]
 
                new_member = perm_dict.get('name')
 
                new_perm = perm_dict.get('perm')
 
                new_type = perm_dict.get('type')
 
                if new_member and new_perm and new_type:
 
                    perms_new.add((new_member, new_perm, new_type))
 

	
 
            for k, v in value.iteritems():
 
                if k.startswith('u_perm_') or k.startswith('g_perm_'):
 
                    member = k[7:]
 
                    t = {'u': 'user',
 
                         'g': 'users_group'
 
                    }[k[0]]
 
                    if member == User.DEFAULT_USER:
 
                        if str2bool(value.get('repo_private')):
 
                            # set none for default when updating to
 
                            # private repo protects against form manipulation
 
                            v = EMPTY_PERM
 
                    perms_update.add((member, v, t))
 

	
 
            value['perms_updates'] = list(perms_update)
 
            value['perms_new'] = list(perms_new)
 

	
 
            # update permissions
 
            for k, v, t in perms_new:
 
                try:
 
                    if t is 'user':
 
                        self.user_db = User.query()\
 
                            .filter(User.active == True)\
 
                            .filter(User.username == k).one()
 
                    if t is 'users_group':
 
                        self.user_db = UserGroup.query()\
 
                            .filter(UserGroup.users_group_active == True)\
 
                            .filter(UserGroup.users_group_name == k).one()
 

	
 
                except Exception:
 
                    log.exception('Updated permission failed')
 
                    msg = M(self, 'perm_new_member_type', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(perm_new_member_name=msg)
 
                    )
 
            return value
 
    return _validator
 

	
 

	
 
def ValidSettings():
 
    class _validator(formencode.validators.FancyValidator):
 
        def _to_python(self, value, state):
 
            # settings  form for users that are not admin
 
            # can't edit certain parameters, it's extra backup if they mangle
 
            # with forms
 

	
 
            forbidden_params = [
 
                'user', 'repo_type', 'repo_enable_locking',
 
                'repo_enable_downloads', 'repo_enable_statistics'
 
            ]
 

	
 
            for param in forbidden_params:
 
                if param in value:
 
                    del value[param]
 
            return value
 

	
 
        def validate_python(self, value, state):
 
            pass
 
    return _validator
 

	
 

	
 
def ValidPath():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_path': _(u'This is not a valid path')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if not os.path.isdir(value):
 
                msg = M(self, 'invalid_path', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(paths_root_path=msg)
 
                )
 
    return _validator
 

	
 

	
 
def UniqSystemEmail(old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'email_taken': _(u'This e-mail address is already taken')
 
        }
 

	
 
        def _to_python(self, value, state):
 
            return value.lower()
 

	
 
        def validate_python(self, value, state):
 
            if (old_data.get('email') or '').lower() != value:
 
                user = User.get_by_email(value, case_insensitive=True)
 
                if user:
 
                    msg = M(self, 'email_taken', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(email=msg)
 
                    )
 
    return _validator
 

	
 

	
 
def ValidSystemEmail():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'non_existing_email': _(u'e-mail "%(email)s" does not exist.')
 
        }
 

	
 
        def _to_python(self, value, state):
 
            return value.lower()
 

	
 
        def validate_python(self, value, state):
 
            user = User.get_by_email(value, case_insensitive=True)
 
            if user is None:
 
                msg = M(self, 'non_existing_email', state, email=value)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(email=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def LdapLibValidator():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 

	
 
        }
 

	
 
        def validate_python(self, value, state):
 
            try:
 
                import ldap
 
                ldap  # pyflakes silence !
 
            except ImportError:
 
                raise LdapImportError()
 

	
 
    return _validator
 

	
 

	
 
def AttrLoginValidator():
 
    class _validator(formencode.validators.UnicodeString):
 
        messages = {
 
            'invalid_cn':
 
                  _(u'The LDAP Login attribute of the CN must be specified - '
 
                    'this is the name of the attribute that is equivalent '
 
                    'to "username"')
 
        }
 
        messages['empty'] = messages['invalid_cn']
 

	
 
    return _validator
 

	
 

	
 
def NotReviewedRevisions(repo_id):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'rev_already_reviewed':
 
                  _(u'Revisions %(revs)s are already part of pull request '
 
                    'or have set status')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            # check revisions if they are not reviewed, or a part of another
 
            # pull request
 
            statuses = ChangesetStatus.query()\
 
                .filter(ChangesetStatus.revision.in_(value))\
 
                .filter(ChangesetStatus.repo_id == repo_id)\
 
                .all()
 

	
 
            errors = []
 
            for cs in statuses:
 
                if cs.pull_request_id:
 
                    errors.append(['pull_req', cs.revision[:12]])
 
                elif cs.status:
 
                    errors.append(['status', cs.revision[:12]])
 

	
 
            if errors:
 
                revs = ','.join([x[1] for x in errors])
 
                msg = M(self, 'rev_already_reviewed', state, revs=revs)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(revisions=revs)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidIp():
 
    class _validator(CIDR):
 
        messages = dict(
 
            badFormat=_('Please enter a valid IPv4 or IPv6 address'),
 
            illegalBits=_('The network size (bits) must be within the range'
 
                ' of 0-32 (not %(bits)r)')
 
        )
 

	
 
        def to_python(self, value, state):
 
            v = super(_validator, self).to_python(value, state)
 
            v = v.strip()
 
            net = ipaddr.IPNetwork(address=v)
 
            if isinstance(net, ipaddr.IPv4Network):
 
                #if IPv4 doesn't end with a mask, add /32
 
                if '/' not in value:
 
                    v += '/32'
 
            if isinstance(net, ipaddr.IPv6Network):
 
                #if IPv6 doesn't end with a mask, add /128
 
                if '/' not in value:
 
                    v += '/128'
 
            return v
 

	
 
        def validate_python(self, value, state):
 
            try:
 
                addr = value.strip()
 
                #this raises an ValueError if address is not IPv4 or IPv6
 
                ipaddr.IPNetwork(address=addr)
 
            except ValueError:
 
                raise formencode.Invalid(self.message('badFormat', state),
 
                                         value, state)
 

	
 
    return _validator
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