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# hgweb/hgwebdir_mod.py - Web interface for a directory of repositories.
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#
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# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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# Copyright 2005, 2006 Olivia Mackall <olivia@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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import gc
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import os
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import time
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from ..i18n import _
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from .common import (
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ErrorResponse,
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HTTP_SERVER_ERROR,
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cspvalues,
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get_contact,
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get_mtime,
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ismember,
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paritygen,
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staticfile,
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statusmessage,
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)
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from .. import (
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configitems,
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encoding,
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error,
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extensions,
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hg,
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pathutil,
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profiling,
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pycompat,
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rcutil,
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registrar,
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scmutil,
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templater,
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templateutil,
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ui as uimod,
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util,
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)
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from . import (
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hgweb_mod,
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request as requestmod,
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webutil,
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wsgicgi,
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)
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from ..utils import dateutil
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def cleannames(items):
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return [(util.pconvert(name).strip(b'/'), path) for name, path in items]
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def findrepos(paths):
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repos = []
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for prefix, root in cleannames(paths):
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roothead, roottail = os.path.split(root)
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# "foo = /bar/*" or "foo = /bar/**" lets every repo /bar/N in or below
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# /bar/ be served as as foo/N .
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# '*' will not search inside dirs with .hg (except .hg/patches),
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# '**' will search inside dirs with .hg (and thus also find subrepos).
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try:
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recurse = {b'*': False, b'**': True}[roottail]
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except KeyError:
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repos.append((prefix, root))
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continue
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roothead = os.path.normpath(util.abspath(roothead))
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paths = scmutil.walkrepos(roothead, followsym=True, recurse=recurse)
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repos.extend(urlrepos(prefix, roothead, paths))
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return repos
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def urlrepos(prefix, roothead, paths):
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"""yield url paths and filesystem paths from a list of repo paths
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>>> conv = lambda seq: [(v, util.pconvert(p)) for v,p in seq]
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>>> conv(urlrepos(b'hg', b'/opt', [b'/opt/r', b'/opt/r/r', b'/opt']))
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[('hg/r', '/opt/r'), ('hg/r/r', '/opt/r/r'), ('hg', '/opt')]
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>>> conv(urlrepos(b'', b'/opt', [b'/opt/r', b'/opt/r/r', b'/opt']))
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[('r', '/opt/r'), ('r/r', '/opt/r/r'), ('', '/opt')]
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"""
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for path in paths:
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path = os.path.normpath(path)
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yield (
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prefix + b'/' + util.pconvert(path[len(roothead) :]).lstrip(b'/')
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).strip(b'/'), path
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def readallowed(ui, req):
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"""Check allow_read and deny_read config options of a repo's ui object
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to determine user permissions. By default, with neither option set (or
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both empty), allow all users to read the repo. There are two ways a
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user can be denied read access: (1) deny_read is not empty, and the
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user is unauthenticated or deny_read contains user (or *), and (2)
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allow_read is not empty and the user is not in allow_read. Return True
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if user is allowed to read the repo, else return False."""
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user = req.remoteuser
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deny_read = ui.configlist(b'web', b'deny_read', untrusted=True)
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if deny_read and (not user or ismember(ui, user, deny_read)):
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return False
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allow_read = ui.configlist(b'web', b'allow_read', untrusted=True)
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# by default, allow reading if no allow_read option has been set
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if not allow_read or ismember(ui, user, allow_read):
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return True
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return False
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def rawindexentries(ui, repos, req, subdir=b''):
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descend = ui.configbool(b'web', b'descend')
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collapse = ui.configbool(b'web', b'collapse')
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seenrepos = set()
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seendirs = set()
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for name, path in repos:
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if not name.startswith(subdir):
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continue
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name = name[len(subdir) :]
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directory = False
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if b'/' in name:
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if not descend:
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continue
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nameparts = name.split(b'/')
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rootname = nameparts[0]
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if not collapse:
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pass
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elif rootname in seendirs:
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continue
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elif rootname in seenrepos:
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pass
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else:
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directory = True
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name = rootname
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# redefine the path to refer to the directory
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discarded = b'/'.join(nameparts[1:])
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# remove name parts plus accompanying slash
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path = path[: -len(discarded) - 1]
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try:
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hg.repository(ui, path)
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directory = False
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except (IOError, error.RepoError):
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pass
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parts = [
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req.apppath.strip(b'/'),
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subdir.strip(b'/'),
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name.strip(b'/'),
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]
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url = b'/' + b'/'.join(p for p in parts if p) + b'/'
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# show either a directory entry or a repository
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if directory:
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# get the directory's time information
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try:
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d = (get_mtime(path), dateutil.makedate()[1])
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except OSError:
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continue
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# add '/' to the name to make it obvious that
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# the entry is a directory, not a regular repository
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row = {
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b'contact': b"",
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b'contact_sort': b"",
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b'name': name + b'/',
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b'name_sort': name,
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b'url': url,
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b'description': b"",
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b'description_sort': b"",
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b'lastchange': d,
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b'lastchange_sort': d[1] - d[0],
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b'archives': templateutil.mappinglist([]),
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b'isdirectory': True,
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b'labels': templateutil.hybridlist([], name=b'label'),
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}
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seendirs.add(name)
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yield row
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continue
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u = ui.copy()
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if rcutil.use_repo_hgrc():
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try:
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u.readconfig(os.path.join(path, b'.hg', b'hgrc'))
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except Exception as e:
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u.warn(_(b'error reading %s/.hg/hgrc: %s\n') % (path, e))
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continue
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def get(section, name, default=uimod._unset):
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return u.config(section, name, default, untrusted=True)
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if u.configbool(b"web", b"hidden", untrusted=True):
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continue
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if not readallowed(u, req):
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continue
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# update time with local timezone
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try:
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r = hg.repository(ui, path)
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except IOError:
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u.warn(_(b'error accessing repository at %s\n') % path)
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continue
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except error.RepoError:
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u.warn(_(b'error accessing repository at %s\n') % path)
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continue
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try:
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d = (get_mtime(r.spath), dateutil.makedate()[1])
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except OSError:
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continue
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contact = get_contact(get)
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description = get(b"web", b"description")
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seenrepos.add(name)
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name = get(b"web", b"name", name)
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labels = u.configlist(b'web', b'labels', untrusted=True)
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row = {
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b'contact': contact or b"unknown",
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b'contact_sort': contact.upper() or b"unknown",
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b'name': name,
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b'name_sort': name,
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b'url': url,
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b'description': description or b"unknown",
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b'description_sort': description.upper() or b"unknown",
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b'lastchange': d,
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b'lastchange_sort': d[1] - d[0],
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b'archives': webutil.archivelist(u, b"tip", url),
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b'isdirectory': None,
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b'labels': templateutil.hybridlist(labels, name=b'label'),
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}
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yield row
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def _indexentriesgen(
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context, ui, repos, req, stripecount, sortcolumn, descending, subdir
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):
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rows = rawindexentries(ui, repos, req, subdir=subdir)
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sortdefault = None, False
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if sortcolumn and sortdefault != (sortcolumn, descending):
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sortkey = b'%s_sort' % sortcolumn
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rows = sorted(rows, key=lambda x: x[sortkey], reverse=descending)
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for row, parity in zip(rows, paritygen(stripecount)):
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row[b'parity'] = parity
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yield row
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def indexentries(
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ui, repos, req, stripecount, sortcolumn=b'', descending=False, subdir=b''
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):
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args = (ui, repos, req, stripecount, sortcolumn, descending, subdir)
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return templateutil.mappinggenerator(_indexentriesgen, args=args)
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class hgwebdir:
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"""HTTP server for multiple repositories.
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Given a configuration, different repositories will be served depending
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on the request path.
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Instances are typically used as WSGI applications.
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"""
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def __init__(self, conf, baseui=None):
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self.conf = conf
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self.baseui = baseui
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self.ui = None
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self.lastrefresh = 0
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self.motd = None
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self.refresh()
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self.requests_count = 0
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if not baseui:
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# set up environment for new ui
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extensions.loadall(self.ui)
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extensions.populateui(self.ui)
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def refresh(self):
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if self.ui:
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refreshinterval = self.ui.configint(b'web', b'refreshinterval')
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else:
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item = configitems.coreitems[b'web'][b'refreshinterval']
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refreshinterval = item.default
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# refreshinterval <= 0 means to always refresh.
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if (
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refreshinterval > 0
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and self.lastrefresh + refreshinterval > time.time()
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):
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return
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if self.baseui:
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u = self.baseui.copy()
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else:
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u = uimod.ui.load()
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u.setconfig(b'ui', b'report_untrusted', b'off', b'hgwebdir')
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u.setconfig(b'ui', b'nontty', b'true', b'hgwebdir')
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# displaying bundling progress bar while serving feels wrong and may
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# break some wsgi implementations.
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u.setconfig(b'progress', b'disable', b'true', b'hgweb')
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if not isinstance(self.conf, (dict, list, tuple)):
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map = {b'paths': b'hgweb-paths'}
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if not os.path.exists(self.conf):
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raise error.Abort(_(b'config file %s not found!') % self.conf)
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u.readconfig(self.conf, remap=map, trust=True)
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paths = []
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for name, ignored in u.configitems(b'hgweb-paths'):
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for path in u.configlist(b'hgweb-paths', name):
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paths.append((name, path))
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elif isinstance(self.conf, (list, tuple)):
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paths = self.conf
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elif isinstance(self.conf, dict):
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paths = self.conf.items()
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extensions.populateui(u)
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repos = findrepos(paths)
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for prefix, root in u.configitems(b'collections'):
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prefix = util.pconvert(prefix)
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for path in scmutil.walkrepos(root, followsym=True):
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repo = os.path.normpath(path)
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name = util.pconvert(repo)
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if name.startswith(prefix):
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name = name[len(prefix) :]
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repos.append((name.lstrip(b'/'), repo))
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self.repos = repos
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self.ui = u
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self.gc_full_collect_rate = self.ui.configint(
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b'experimental', b'web.full-garbage-collection-rate'
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)
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self.gc_full_collections_done = 0
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encoding.encoding = self.ui.config(b'web', b'encoding')
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self.style = self.ui.config(b'web', b'style')
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self.templatepath = self.ui.config(
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b'web', b'templates', untrusted=False
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)
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self.stripecount = self.ui.config(b'web', b'stripes')
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if self.stripecount:
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self.stripecount = int(self.stripecount)
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prefix = self.ui.config(b'web', b'prefix')
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if prefix.startswith(b'/'):
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prefix = prefix[1:]
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if prefix.endswith(b'/'):
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prefix = prefix[:-1]
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self.prefix = prefix
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self.lastrefresh = time.time()
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def run(self):
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if not encoding.environ.get(b'GATEWAY_INTERFACE', b'').startswith(
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b"CGI/1."
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):
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raise RuntimeError(
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b"This function is only intended to be "
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b"called while running as a CGI script."
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)
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wsgicgi.launch(self)
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def __call__(self, env, respond):
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baseurl = self.ui.config(b'web', b'baseurl')
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req = requestmod.parserequestfromenv(env, altbaseurl=baseurl)
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res = requestmod.wsgiresponse(req, respond)
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return self.run_wsgi(req, res)
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def run_wsgi(self, req, res):
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profile = self.ui.configbool(b'profiling', b'enabled')
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with profiling.profile(self.ui, enabled=profile):
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try:
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for r in self._runwsgi(req, res):
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yield r
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finally:
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# There are known cycles in localrepository that prevent
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# those objects (and tons of held references) from being
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# collected through normal refcounting.
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# In some cases, the resulting memory consumption can
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# be tamed by performing explicit garbage collections.
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# In presence of actual leaks or big long-lived caches, the
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# impact on performance of such collections can become a
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# problem, hence the rate shouldn't be set too low.
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# See "Collecting the oldest generation" in
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# https://devguide.python.org/garbage_collector
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# for more about such trade-offs.
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rate = self.gc_full_collect_rate
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# this is not thread safe, but the consequence (skipping
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# a garbage collection) is arguably better than risking
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# to have several threads perform a collection in parallel
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# (long useless wait on all threads).
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self.requests_count += 1
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if rate > 0 and self.requests_count % rate == 0:
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gc.collect()
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self.gc_full_collections_done += 1
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else:
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gc.collect(generation=1)
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def _runwsgi(self, req, res):
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try:
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self.refresh()
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csp, nonce = cspvalues(self.ui)
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if csp:
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res.headers[b'Content-Security-Policy'] = csp
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virtual = req.dispatchpath.strip(b'/')
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tmpl = self.templater(req, nonce)
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ctype = tmpl.render(b'mimetype', {b'encoding': encoding.encoding})
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# Global defaults. These can be overridden by any handler.
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res.status = b'200 Script output follows'
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res.headers[b'Content-Type'] = ctype
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# a static file
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if virtual.startswith(b'static/') or b'static' in req.qsparams:
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if virtual.startswith(b'static/'):
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fname = virtual[7:]
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else:
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fname = req.qsparams[b'static']
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static = self.ui.config(b"web", b"static", untrusted=False)
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staticfile(self.templatepath, static, fname, res)
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|
return res.sendresponse()
|
|
|
|
|
|
# top-level index
|
|
|
|
|
|
repos = dict(self.repos)
|
|
|
|
|
|
if (not virtual or virtual == b'index') and virtual not in repos:
|
|
|
return self.makeindex(req, res, tmpl)
|
|
|
|
|
|
# nested indexes and hgwebs
|
|
|
|
|
|
if virtual.endswith(b'/index') and virtual not in repos:
|
|
|
subdir = virtual[: -len(b'index')]
|
|
|
if any(r.startswith(subdir) for r in repos):
|
|
|
return self.makeindex(req, res, tmpl, subdir)
|
|
|
|
|
|
def _virtualdirs():
|
|
|
# Check the full virtual path, and each parent
|
|
|
yield virtual
|
|
|
for p in pathutil.finddirs(virtual):
|
|
|
yield p
|
|
|
|
|
|
for virtualrepo in _virtualdirs():
|
|
|
real = repos.get(virtualrepo)
|
|
|
if real:
|
|
|
# Re-parse the WSGI environment to take into account our
|
|
|
# repository path component.
|
|
|
uenv = {
|
|
|
k.decode('latin1'): v for k, v in req.rawenv.items()
|
|
|
}
|
|
|
req = requestmod.parserequestfromenv(
|
|
|
uenv,
|
|
|
reponame=virtualrepo,
|
|
|
altbaseurl=self.ui.config(b'web', b'baseurl'),
|
|
|
# Reuse wrapped body file object otherwise state
|
|
|
# tracking can get confused.
|
|
|
bodyfh=req.bodyfh,
|
|
|
)
|
|
|
try:
|
|
|
# ensure caller gets private copy of ui
|
|
|
repo = hg.repository(self.ui.copy(), real)
|
|
|
return hgweb_mod.hgweb(repo).run_wsgi(req, res)
|
|
|
except IOError as inst:
|
|
|
msg = encoding.strtolocal(inst.strerror)
|
|
|
raise ErrorResponse(HTTP_SERVER_ERROR, msg)
|
|
|
except error.RepoError as inst:
|
|
|
raise ErrorResponse(HTTP_SERVER_ERROR, bytes(inst))
|
|
|
|
|
|
# browse subdirectories
|
|
|
subdir = virtual + b'/'
|
|
|
if [r for r in repos if r.startswith(subdir)]:
|
|
|
return self.makeindex(req, res, tmpl, subdir)
|
|
|
|
|
|
# prefixes not found
|
|
|
res.status = b'404 Not Found'
|
|
|
res.setbodygen(tmpl.generate(b'notfound', {b'repo': virtual}))
|
|
|
return res.sendresponse()
|
|
|
|
|
|
except ErrorResponse as e:
|
|
|
res.status = statusmessage(e.code, pycompat.bytestr(e))
|
|
|
res.setbodygen(
|
|
|
tmpl.generate(b'error', {b'error': e.message or b''})
|
|
|
)
|
|
|
return res.sendresponse()
|
|
|
finally:
|
|
|
del tmpl
|
|
|
|
|
|
def makeindex(self, req, res, tmpl, subdir=b""):
|
|
|
self.refresh()
|
|
|
sortable = [b"name", b"description", b"contact", b"lastchange"]
|
|
|
sortcolumn, descending = None, False
|
|
|
if b'sort' in req.qsparams:
|
|
|
sortcolumn = req.qsparams[b'sort']
|
|
|
descending = sortcolumn.startswith(b'-')
|
|
|
if descending:
|
|
|
sortcolumn = sortcolumn[1:]
|
|
|
if sortcolumn not in sortable:
|
|
|
sortcolumn = b""
|
|
|
|
|
|
sort = [
|
|
|
(
|
|
|
b"sort_%s" % column,
|
|
|
b"%s%s"
|
|
|
% (
|
|
|
(not descending and column == sortcolumn) and b"-" or b"",
|
|
|
column,
|
|
|
),
|
|
|
)
|
|
|
for column in sortable
|
|
|
]
|
|
|
|
|
|
self.refresh()
|
|
|
|
|
|
entries = indexentries(
|
|
|
self.ui,
|
|
|
self.repos,
|
|
|
req,
|
|
|
self.stripecount,
|
|
|
sortcolumn=sortcolumn,
|
|
|
descending=descending,
|
|
|
subdir=subdir,
|
|
|
)
|
|
|
|
|
|
mapping = {
|
|
|
b'entries': entries,
|
|
|
b'subdir': subdir,
|
|
|
b'pathdef': hgweb_mod.makebreadcrumb(b'/' + subdir, self.prefix),
|
|
|
b'sortcolumn': sortcolumn,
|
|
|
b'descending': descending,
|
|
|
}
|
|
|
mapping.update(sort)
|
|
|
res.setbodygen(tmpl.generate(b'index', mapping))
|
|
|
return res.sendresponse()
|
|
|
|
|
|
def templater(self, req, nonce):
|
|
|
def config(*args, **kwargs):
|
|
|
kwargs.setdefault('untrusted', True)
|
|
|
return self.ui.config(*args, **kwargs)
|
|
|
|
|
|
vars = {}
|
|
|
styles, (style, mapfile, fp) = hgweb_mod.getstyle(
|
|
|
req, config, self.templatepath
|
|
|
)
|
|
|
if style == styles[0]:
|
|
|
vars[b'style'] = style
|
|
|
|
|
|
sessionvars = webutil.sessionvars(vars, b'?')
|
|
|
logourl = config(b'web', b'logourl')
|
|
|
logoimg = config(b'web', b'logoimg')
|
|
|
staticurl = (
|
|
|
config(b'web', b'staticurl')
|
|
|
or req.apppath.rstrip(b'/') + b'/static/'
|
|
|
)
|
|
|
if not staticurl.endswith(b'/'):
|
|
|
staticurl += b'/'
|
|
|
|
|
|
defaults = {
|
|
|
b"encoding": encoding.encoding,
|
|
|
b"url": req.apppath + b'/',
|
|
|
b"logourl": logourl,
|
|
|
b"logoimg": logoimg,
|
|
|
b"staticurl": staticurl,
|
|
|
b"sessionvars": sessionvars,
|
|
|
b"style": style,
|
|
|
b"nonce": nonce,
|
|
|
}
|
|
|
templatekeyword = registrar.templatekeyword(defaults)
|
|
|
|
|
|
@templatekeyword(b'motd', requires=())
|
|
|
def motd(context, mapping):
|
|
|
if self.motd is not None:
|
|
|
yield self.motd
|
|
|
else:
|
|
|
yield config(b'web', b'motd')
|
|
|
|
|
|
return templater.templater.frommapfile(
|
|
|
mapfile, fp=fp, defaults=defaults
|
|
|
)
|
|
|
|
