Mercurial > hg
view mercurial/hgweb/hgwebdir_mod.py @ 37513:40a7c1dd2df9
hgweb: move archivelist() of hgwebdir to webutil
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 01 Apr 2018 22:37:03 +0900 |
parents | 356e61e82c2a |
children | 8a5ee6aa8870 |
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# hgweb/hgwebdir_mod.py - Web interface for a directory of repositories. # # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import gc import os import time from ..i18n import _ from .common import ( ErrorResponse, HTTP_SERVER_ERROR, cspvalues, get_contact, get_mtime, ismember, paritygen, staticfile, statusmessage, ) from .. import ( configitems, encoding, error, hg, profiling, pycompat, scmutil, templater, templateutil, ui as uimod, util, ) from . import ( hgweb_mod, request as requestmod, webutil, wsgicgi, ) from ..utils import dateutil def cleannames(items): return [(util.pconvert(name).strip('/'), path) for name, path in items] def findrepos(paths): repos = [] for prefix, root in cleannames(paths): roothead, roottail = os.path.split(root) # "foo = /bar/*" or "foo = /bar/**" lets every repo /bar/N in or below # /bar/ be served as as foo/N . # '*' will not search inside dirs with .hg (except .hg/patches), # '**' will search inside dirs with .hg (and thus also find subrepos). try: recurse = {'*': False, '**': True}[roottail] except KeyError: repos.append((prefix, root)) continue roothead = os.path.normpath(os.path.abspath(roothead)) paths = scmutil.walkrepos(roothead, followsym=True, recurse=recurse) repos.extend(urlrepos(prefix, roothead, paths)) return repos def urlrepos(prefix, roothead, paths): """yield url paths and filesystem paths from a list of repo paths >>> conv = lambda seq: [(v, util.pconvert(p)) for v,p in seq] >>> conv(urlrepos(b'hg', b'/opt', [b'/opt/r', b'/opt/r/r', b'/opt'])) [('hg/r', '/opt/r'), ('hg/r/r', '/opt/r/r'), ('hg', '/opt')] >>> conv(urlrepos(b'', b'/opt', [b'/opt/r', b'/opt/r/r', b'/opt'])) [('r', '/opt/r'), ('r/r', '/opt/r/r'), ('', '/opt')] """ for path in paths: path = os.path.normpath(path) yield (prefix + '/' + util.pconvert(path[len(roothead):]).lstrip('/')).strip('/'), path def readallowed(ui, req): """Check allow_read and deny_read config options of a repo's ui object to determine user permissions. By default, with neither option set (or both empty), allow all users to read the repo. There are two ways a user can be denied read access: (1) deny_read is not empty, and the user is unauthenticated or deny_read contains user (or *), and (2) allow_read is not empty and the user is not in allow_read. Return True if user is allowed to read the repo, else return False.""" user = req.remoteuser deny_read = ui.configlist('web', 'deny_read', untrusted=True) if deny_read and (not user or ismember(ui, user, deny_read)): return False allow_read = ui.configlist('web', 'allow_read', untrusted=True) # by default, allow reading if no allow_read option has been set if not allow_read or ismember(ui, user, allow_read): return True return False def rawindexentries(ui, repos, req, subdir=''): descend = ui.configbool('web', 'descend') collapse = ui.configbool('web', 'collapse') seenrepos = set() seendirs = set() for name, path in repos: if not name.startswith(subdir): continue name = name[len(subdir):] directory = False if '/' in name: if not descend: continue nameparts = name.split('/') rootname = nameparts[0] if not collapse: pass elif rootname in seendirs: continue elif rootname in seenrepos: pass else: directory = True name = rootname # redefine the path to refer to the directory discarded = '/'.join(nameparts[1:]) # remove name parts plus accompanying slash path = path[:-len(discarded) - 1] try: r = hg.repository(ui, path) directory = False except (IOError, error.RepoError): pass parts = [ req.apppath.strip('/'), subdir.strip('/'), name.strip('/'), ] url = '/' + '/'.join(p for p in parts if p) + '/' # show either a directory entry or a repository if directory: # get the directory's time information try: d = (get_mtime(path), dateutil.makedate()[1]) except OSError: continue # add '/' to the name to make it obvious that # the entry is a directory, not a regular repository row = {'contact': "", 'contact_sort': "", 'name': name + '/', 'name_sort': name, 'url': url, 'description': "", 'description_sort': "", 'lastchange': d, 'lastchange_sort': d[1] - d[0], 'archives': [], 'isdirectory': True, 'labels': templateutil.hybridlist([], name='label'), } seendirs.add(name) yield row continue u = ui.copy() try: u.readconfig(os.path.join(path, '.hg', 'hgrc')) except Exception as e: u.warn(_('error reading %s/.hg/hgrc: %s\n') % (path, e)) continue def get(section, name, default=uimod._unset): return u.config(section, name, default, untrusted=True) if u.configbool("web", "hidden", untrusted=True): continue if not readallowed(u, req): continue # update time with local timezone try: r = hg.repository(ui, path) except IOError: u.warn(_('error accessing repository at %s\n') % path) continue except error.RepoError: u.warn(_('error accessing repository at %s\n') % path) continue try: d = (get_mtime(r.spath), dateutil.makedate()[1]) except OSError: continue contact = get_contact(get) description = get("web", "description") seenrepos.add(name) name = get("web", "name", name) labels = u.configlist('web', 'labels', untrusted=True) row = {'contact': contact or "unknown", 'contact_sort': contact.upper() or "unknown", 'name': name, 'name_sort': name, 'url': url, 'description': description or "unknown", 'description_sort': description.upper() or "unknown", 'lastchange': d, 'lastchange_sort': d[1] - d[0], 'archives': webutil.archivelist(u, "tip", url), 'isdirectory': None, 'labels': templateutil.hybridlist(labels, name='label'), } yield row def _indexentriesgen(context, ui, repos, req, stripecount, sortcolumn, descending, subdir): rows = rawindexentries(ui, repos, req, subdir=subdir) sortdefault = None, False if sortcolumn and sortdefault != (sortcolumn, descending): sortkey = '%s_sort' % sortcolumn rows = sorted(rows, key=lambda x: x[sortkey], reverse=descending) for row, parity in zip(rows, paritygen(stripecount)): row['parity'] = parity yield row def indexentries(ui, repos, req, stripecount, sortcolumn='', descending=False, subdir=''): args = (ui, repos, req, stripecount, sortcolumn, descending, subdir) return templateutil.mappinggenerator(_indexentriesgen, args=args) class hgwebdir(object): """HTTP server for multiple repositories. Given a configuration, different repositories will be served depending on the request path. Instances are typically used as WSGI applications. """ def __init__(self, conf, baseui=None): self.conf = conf self.baseui = baseui self.ui = None self.lastrefresh = 0 self.motd = None self.refresh() def refresh(self): if self.ui: refreshinterval = self.ui.configint('web', 'refreshinterval') else: item = configitems.coreitems['web']['refreshinterval'] refreshinterval = item.default # refreshinterval <= 0 means to always refresh. if (refreshinterval > 0 and self.lastrefresh + refreshinterval > time.time()): return if self.baseui: u = self.baseui.copy() else: u = uimod.ui.load() u.setconfig('ui', 'report_untrusted', 'off', 'hgwebdir') u.setconfig('ui', 'nontty', 'true', 'hgwebdir') # displaying bundling progress bar while serving feels wrong and may # break some wsgi implementations. u.setconfig('progress', 'disable', 'true', 'hgweb') if not isinstance(self.conf, (dict, list, tuple)): map = {'paths': 'hgweb-paths'} if not os.path.exists(self.conf): raise error.Abort(_('config file %s not found!') % self.conf) u.readconfig(self.conf, remap=map, trust=True) paths = [] for name, ignored in u.configitems('hgweb-paths'): for path in u.configlist('hgweb-paths', name): paths.append((name, path)) elif isinstance(self.conf, (list, tuple)): paths = self.conf elif isinstance(self.conf, dict): paths = self.conf.items() repos = findrepos(paths) for prefix, root in u.configitems('collections'): prefix = util.pconvert(prefix) for path in scmutil.walkrepos(root, followsym=True): repo = os.path.normpath(path) name = util.pconvert(repo) if name.startswith(prefix): name = name[len(prefix):] repos.append((name.lstrip('/'), repo)) self.repos = repos self.ui = u encoding.encoding = self.ui.config('web', 'encoding') self.style = self.ui.config('web', 'style') self.templatepath = self.ui.config('web', 'templates', untrusted=False) self.stripecount = self.ui.config('web', 'stripes') if self.stripecount: self.stripecount = int(self.stripecount) prefix = self.ui.config('web', 'prefix') if prefix.startswith('/'): prefix = prefix[1:] if prefix.endswith('/'): prefix = prefix[:-1] self.prefix = prefix self.lastrefresh = time.time() def run(self): if not encoding.environ.get('GATEWAY_INTERFACE', '').startswith("CGI/1."): raise RuntimeError("This function is only intended to be " "called while running as a CGI script.") wsgicgi.launch(self) def __call__(self, env, respond): baseurl = self.ui.config('web', 'baseurl') req = requestmod.parserequestfromenv(env, altbaseurl=baseurl) res = requestmod.wsgiresponse(req, respond) return self.run_wsgi(req, res) def run_wsgi(self, req, res): profile = self.ui.configbool('profiling', 'enabled') with profiling.profile(self.ui, enabled=profile): try: for r in self._runwsgi(req, res): yield r finally: # There are known cycles in localrepository that prevent # those objects (and tons of held references) from being # collected through normal refcounting. We mitigate those # leaks by performing an explicit GC on every request. # TODO remove this once leaks are fixed. # TODO only run this on requests that create localrepository # instances instead of every request. gc.collect() def _runwsgi(self, req, res): try: self.refresh() csp, nonce = cspvalues(self.ui) if csp: res.headers['Content-Security-Policy'] = csp virtual = req.dispatchpath.strip('/') tmpl = self.templater(req, nonce) ctype = tmpl.render('mimetype', {'encoding': encoding.encoding}) # Global defaults. These can be overridden by any handler. res.status = '200 Script output follows' res.headers['Content-Type'] = ctype # a static file if virtual.startswith('static/') or 'static' in req.qsparams: if virtual.startswith('static/'): fname = virtual[7:] else: fname = req.qsparams['static'] static = self.ui.config("web", "static", None, untrusted=False) if not static: tp = self.templatepath or templater.templatepaths() if isinstance(tp, str): tp = [tp] static = [os.path.join(p, 'static') for p in tp] staticfile(static, fname, res) return res.sendresponse() # top-level index repos = dict(self.repos) if (not virtual or virtual == 'index') and virtual not in repos: return self.makeindex(req, res, tmpl) # nested indexes and hgwebs if virtual.endswith('/index') and virtual not in repos: subdir = virtual[:-len('index')] if any(r.startswith(subdir) for r in repos): return self.makeindex(req, res, tmpl, subdir) def _virtualdirs(): # Check the full virtual path, each parent, and the root ('') if virtual != '': yield virtual for p in util.finddirs(virtual): yield p yield '' for virtualrepo in _virtualdirs(): real = repos.get(virtualrepo) if real: # Re-parse the WSGI environment to take into account our # repository path component. req = requestmod.parserequestfromenv( req.rawenv, reponame=virtualrepo, altbaseurl=self.ui.config('web', 'baseurl')) 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 + '/' if [r for r in repos if r.startswith(subdir)]: return self.makeindex(req, res, tmpl, subdir) # prefixes not found res.status = '404 Not Found' res.setbodygen(tmpl.generate('notfound', {'repo': virtual})) return res.sendresponse() except ErrorResponse as e: res.status = statusmessage(e.code, pycompat.bytestr(e)) res.setbodygen(tmpl.generate('error', {'error': e.message or ''})) return res.sendresponse() finally: tmpl = None def makeindex(self, req, res, tmpl, subdir=""): self.refresh() sortable = ["name", "description", "contact", "lastchange"] sortcolumn, descending = None, False if 'sort' in req.qsparams: sortcolumn = req.qsparams['sort'] descending = sortcolumn.startswith('-') if descending: sortcolumn = sortcolumn[1:] if sortcolumn not in sortable: sortcolumn = "" sort = [("sort_%s" % column, "%s%s" % ((not descending and column == sortcolumn) and "-" or "", column)) for column in sortable] self.refresh() entries = indexentries(self.ui, self.repos, req, self.stripecount, sortcolumn=sortcolumn, descending=descending, subdir=subdir) mapping = { 'entries': entries, 'subdir': subdir, 'pathdef': hgweb_mod.makebreadcrumb('/' + subdir, self.prefix), 'sortcolumn': sortcolumn, 'descending': descending, } mapping.update(sort) res.setbodygen(tmpl.generate('index', mapping)) return res.sendresponse() def templater(self, req, nonce): def motd(**map): if self.motd is not None: yield self.motd else: yield config('web', 'motd') def config(section, name, default=uimod._unset, untrusted=True): return self.ui.config(section, name, default, untrusted) vars = {} styles, (style, mapfile) = hgweb_mod.getstyle(req, config, self.templatepath) if style == styles[0]: vars['style'] = style sessionvars = webutil.sessionvars(vars, r'?') logourl = config('web', 'logourl') logoimg = config('web', 'logoimg') staticurl = (config('web', 'staticurl') or req.apppath + '/static/') if not staticurl.endswith('/'): staticurl += '/' defaults = { "encoding": encoding.encoding, "motd": motd, "url": req.apppath + '/', "logourl": logourl, "logoimg": logoimg, "staticurl": staticurl, "sessionvars": sessionvars, "style": style, "nonce": nonce, } tmpl = templater.templater.frommapfile(mapfile, defaults=defaults) return tmpl