mercurial/hgweb/hgweb_mod.py
author Gregory Szorc <gregory.szorc@gmail.com>
Sun, 11 Mar 2018 16:19:20 -0700
changeset 36909 84110a1d0f7d
parent 36898 d0b0fedbfb53
child 36911 f0a851542a05
permissions -rw-r--r--
hgweb: store the raw WSGI environment dict We need this so we can construct a new request instance from the original dict. Differential Revision: https://phab.mercurial-scm.org/D2831
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# hgweb/hgweb_mod.py - Web interface for a repository.
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#
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# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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# Copyright 2005-2007 Matt Mackall <mpm@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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from __future__ import absolute_import
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import contextlib
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import os
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from .common import (
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    ErrorResponse,
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    HTTP_BAD_REQUEST,
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    cspvalues,
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    permhooks,
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    statusmessage,
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)
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from .. import (
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    encoding,
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    error,
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    formatter,
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    hg,
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    hook,
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    profiling,
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    pycompat,
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    repoview,
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    templatefilters,
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    templater,
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    ui as uimod,
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    util,
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    wireprotoserver,
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)
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from . import (
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    request as requestmod,
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    webcommands,
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    webutil,
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    wsgicgi,
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)
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archivespecs = util.sortdict((
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    ('zip', ('application/zip', 'zip', '.zip', None)),
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    ('gz', ('application/x-gzip', 'tgz', '.tar.gz', None)),
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    ('bz2', ('application/x-bzip2', 'tbz2', '.tar.bz2', None)),
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))
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def getstyle(req, configfn, templatepath):
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    styles = (
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        req.qsparams.get('style', None),
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        configfn('web', 'style'),
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        'paper',
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    )
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    return styles, templater.stylemap(styles, templatepath)
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def makebreadcrumb(url, prefix=''):
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    '''Return a 'URL breadcrumb' list
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    A 'URL breadcrumb' is a list of URL-name pairs,
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    corresponding to each of the path items on a URL.
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    This can be used to create path navigation entries.
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    '''
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    if url.endswith('/'):
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        url = url[:-1]
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    if prefix:
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        url = '/' + prefix + url
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    relpath = url
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    if relpath.startswith('/'):
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        relpath = relpath[1:]
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    breadcrumb = []
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    urlel = url
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    pathitems = [''] + relpath.split('/')
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    for pathel in reversed(pathitems):
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        if not pathel or not urlel:
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            break
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        breadcrumb.append({'url': urlel, 'name': pathel})
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        urlel = os.path.dirname(urlel)
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    return reversed(breadcrumb)
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class requestcontext(object):
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    """Holds state/context for an individual request.
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    Servers can be multi-threaded. Holding state on the WSGI application
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    is prone to race conditions. Instances of this class exist to hold
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    mutable and race-free state for requests.
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    """
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    def __init__(self, app, repo, req, res):
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        self.repo = repo
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        self.reponame = app.reponame
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        self.req = req
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        self.res = res
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        self.archivespecs = archivespecs
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        self.maxchanges = self.configint('web', 'maxchanges')
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        self.stripecount = self.configint('web', 'stripes')
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        self.maxshortchanges = self.configint('web', 'maxshortchanges')
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        self.maxfiles = self.configint('web', 'maxfiles')
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        self.allowpull = self.configbool('web', 'allow-pull')
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        # we use untrusted=False to prevent a repo owner from using
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        # web.templates in .hg/hgrc to get access to any file readable
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        # by the user running the CGI script
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        self.templatepath = self.config('web', 'templates', untrusted=False)
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        # This object is more expensive to build than simple config values.
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        # It is shared across requests. The app will replace the object
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        # if it is updated. Since this is a reference and nothing should
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        # modify the underlying object, it should be constant for the lifetime
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        # of the request.
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        self.websubtable = app.websubtable
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        self.csp, self.nonce = cspvalues(self.repo.ui)
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    # Trust the settings from the .hg/hgrc files by default.
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    def config(self, section, name, default=uimod._unset, untrusted=True):
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        return self.repo.ui.config(section, name, default,
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                                   untrusted=untrusted)
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    def configbool(self, section, name, default=uimod._unset, untrusted=True):
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        return self.repo.ui.configbool(section, name, default,
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                                       untrusted=untrusted)
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    def configint(self, section, name, default=uimod._unset, untrusted=True):
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        return self.repo.ui.configint(section, name, default,
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                                      untrusted=untrusted)
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    def configlist(self, section, name, default=uimod._unset, untrusted=True):
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        return self.repo.ui.configlist(section, name, default,
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                                       untrusted=untrusted)
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    def archivelist(self, nodeid):
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        allowed = self.configlist('web', 'allow_archive')
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        for typ, spec in self.archivespecs.iteritems():
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            if typ in allowed or self.configbool('web', 'allow%s' % typ):
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                yield {'type': typ, 'extension': spec[2], 'node': nodeid}
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    def templater(self, req):
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        # determine scheme, port and server name
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        # this is needed to create absolute urls
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        logourl = self.config('web', 'logourl')
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        logoimg = self.config('web', 'logoimg')
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        staticurl = (self.config('web', 'staticurl')
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                     or req.apppath + '/static/')
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        if not staticurl.endswith('/'):
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            staticurl += '/'
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        # some functions for the templater
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        def motd(**map):
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            yield self.config('web', 'motd')
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        # figure out which style to use
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        vars = {}
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        styles, (style, mapfile) = getstyle(req, self.config,
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                                            self.templatepath)
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        if style == styles[0]:
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            vars['style'] = style
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        sessionvars = webutil.sessionvars(vars, '?')
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        if not self.reponame:
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            self.reponame = (self.config('web', 'name', '')
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                             or req.reponame
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                             or req.apppath
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                             or self.repo.root)
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        def websubfilter(text):
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            return templatefilters.websub(text, self.websubtable)
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        # create the templater
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        # TODO: export all keywords: defaults = templatekw.keywords.copy()
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        defaults = {
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            'url': req.apppath + '/',
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            'logourl': logourl,
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            'logoimg': logoimg,
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            'staticurl': staticurl,
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            'urlbase': req.advertisedbaseurl,
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            'repo': self.reponame,
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            'encoding': encoding.encoding,
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            'motd': motd,
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            'sessionvars': sessionvars,
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            'pathdef': makebreadcrumb(req.apppath),
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            'style': style,
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            'nonce': self.nonce,
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        }
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        tres = formatter.templateresources(self.repo.ui, self.repo)
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        tmpl = templater.templater.frommapfile(mapfile,
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                                               filters={'websub': websubfilter},
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                                               defaults=defaults,
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                                               resources=tres)
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        return tmpl
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    def sendtemplate(self, name, **kwargs):
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        """Helper function to send a response generated from a template."""
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        self.res.setbodygen(self.tmpl(name, **kwargs))
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        return self.res.sendresponse()
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class hgweb(object):
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    """HTTP server for individual repositories.
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    Instances of this class serve HTTP responses for a particular
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    repository.
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    Instances are typically used as WSGI applications.
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    Some servers are multi-threaded. On these servers, there may
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    be multiple active threads inside __call__.
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    """
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    def __init__(self, repo, name=None, baseui=None):
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        if isinstance(repo, str):
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            if baseui:
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                u = baseui.copy()
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            else:
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                u = uimod.ui.load()
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            r = hg.repository(u, repo)
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        else:
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            # we trust caller to give us a private copy
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            r = repo
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        r.ui.setconfig('ui', 'report_untrusted', 'off', 'hgweb')
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        r.baseui.setconfig('ui', 'report_untrusted', 'off', 'hgweb')
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        r.ui.setconfig('ui', 'nontty', 'true', 'hgweb')
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        r.baseui.setconfig('ui', 'nontty', 'true', 'hgweb')
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        # resolve file patterns relative to repo root
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        r.ui.setconfig('ui', 'forcecwd', r.root, 'hgweb')
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        r.baseui.setconfig('ui', 'forcecwd', r.root, 'hgweb')
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        # displaying bundling progress bar while serving feel wrong and may
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        # break some wsgi implementation.
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        r.ui.setconfig('progress', 'disable', 'true', 'hgweb')
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        r.baseui.setconfig('progress', 'disable', 'true', 'hgweb')
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        self._repos = [hg.cachedlocalrepo(self._webifyrepo(r))]
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        self._lastrepo = self._repos[0]
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        hook.redirect(True)
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        self.reponame = name
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    def _webifyrepo(self, repo):
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        repo = getwebview(repo)
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   244
        self.websubtable = webutil.getwebsubs(repo)
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   245
        return repo
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   246
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   247
    @contextlib.contextmanager
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   248
    def _obtainrepo(self):
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   249
        """Obtain a repo unique to the caller.
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   250
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   251
        Internally we maintain a stack of cachedlocalrepo instances
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   252
        to be handed out. If one is available, we pop it and return it,
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   253
        ensuring it is up to date in the process. If one is not available,
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parents: 26219
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   254
        we clone the most recently used repo instance and return it.
26219
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parents: 26218
diff changeset
   255
26220
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   256
        It is currently possible for the stack to grow without bounds
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parents: 26219
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   257
        if the server allows infinite threads. However, servers should
a43328baa2ac hgweb: use separate repo instances per thread
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parents: 26219
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   258
        have a thread limit, thus establishing our limit.
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   259
        """
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   260
        if self._repos:
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   261
            cached = self._repos.pop()
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   262
            r, created = cached.fetch()
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parents: 26219
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   263
        else:
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diff changeset
   264
            cached = self._lastrepo.copy()
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parents: 26219
diff changeset
   265
            r, created = cached.fetch()
26240
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parents: 26226
diff changeset
   266
        if created:
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   267
            r = self._webifyrepo(r)
26220
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parents: 26219
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   268
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   269
        self._lastrepo = cached
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   270
        self.mtime = cached.mtime
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parents: 26219
diff changeset
   271
        try:
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parents: 26219
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   272
            yield r
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   273
        finally:
a43328baa2ac hgweb: use separate repo instances per thread
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   274
            self._repos.append(cached)
258
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mpm@selenic.com
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   275
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   276
    def run(self):
26132
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   277
        """Start a server from CGI environment.
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parents: 25777
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   278
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   279
        Modern servers should be using WSGI and should avoid this
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   280
        method, if possible.
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   281
        """
30636
f1c9fafcbf46 py3: replace os.environ with encoding.environ (part 3 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30559
diff changeset
   282
        if not encoding.environ.get('GATEWAY_INTERFACE',
f1c9fafcbf46 py3: replace os.environ with encoding.environ (part 3 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30559
diff changeset
   283
                                    '').startswith("CGI/1."):
8663
45f626a39def wrap string literals in error messages
Martin Geisler <mg@lazybytes.net>
parents: 8390
diff changeset
   284
            raise RuntimeError("This function is only intended to be "
45f626a39def wrap string literals in error messages
Martin Geisler <mg@lazybytes.net>
parents: 8390
diff changeset
   285
                               "called while running as a CGI script.")
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parents: 5579
diff changeset
   286
        wsgicgi.launch(self)
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parents: 5579
diff changeset
   287
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diff changeset
   288
    def __call__(self, env, respond):
26132
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   289
        """Run the WSGI application.
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parents: 25777
diff changeset
   290
9df8c729e2e7 hgweb: add some documentation
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parents: 25777
diff changeset
   291
        This may be called by multiple threads.
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parents: 25777
diff changeset
   292
        """
36804
b9b968e21f78 hgweb: rename req to wsgireq
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parents: 36802
diff changeset
   293
        req = requestmod.wsgirequest(env, respond)
6784
18c429ea3a0e hgweb: all protocol functions have become generators
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6781
diff changeset
   294
        return self.run_wsgi(req)
5591
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parents: 5579
diff changeset
   295
36804
b9b968e21f78 hgweb: rename req to wsgireq
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parents: 36802
diff changeset
   296
    def run_wsgi(self, wsgireq):
26132
9df8c729e2e7 hgweb: add some documentation
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parents: 25777
diff changeset
   297
        """Internal method to run the WSGI application.
5591
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parents: 5579
diff changeset
   298
26132
9df8c729e2e7 hgweb: add some documentation
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parents: 25777
diff changeset
   299
        This is typically only called by Mercurial. External consumers
9df8c729e2e7 hgweb: add some documentation
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parents: 25777
diff changeset
   300
        should be using instances of this class as the WSGI application.
9df8c729e2e7 hgweb: add some documentation
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parents: 25777
diff changeset
   301
        """
26220
a43328baa2ac hgweb: use separate repo instances per thread
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parents: 26219
diff changeset
   302
        with self._obtainrepo() as repo:
32788
eede022fc142 profile: drop maybeprofile
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32004
diff changeset
   303
            profile = repo.ui.configbool('profiling', 'enabled')
eede022fc142 profile: drop maybeprofile
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 32004
diff changeset
   304
            with profiling.profile(repo.ui, enabled=profile):
36804
b9b968e21f78 hgweb: rename req to wsgireq
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36802
diff changeset
   305
                for r in self._runwsgi(wsgireq, repo):
29787
80df04266a16 hgweb: profile HTTP requests
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parents: 28954
diff changeset
   306
                    yield r
26220
a43328baa2ac hgweb: use separate repo instances per thread
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parents: 26219
diff changeset
   307
36804
b9b968e21f78 hgweb: rename req to wsgireq
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parents: 36802
diff changeset
   308
    def _runwsgi(self, wsgireq, repo):
36856
1f7d9024674c hgweb: make parsedrequest part of wsgirequest
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parents: 36814
diff changeset
   309
        req = wsgireq.req
36861
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
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parents: 36856
diff changeset
   310
        res = wsgireq.res
36870
1f42d621f090 hgweb: support using new response object for web commands
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parents: 36869
diff changeset
   311
        rctx = requestcontext(self, repo, req, res)
5591
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parents: 5579
diff changeset
   312
26160
952e0564b46e hgweb: move additional state setting outside of refresh
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26149
diff changeset
   313
        # This state is global across all threads.
34239
344fd1fe237b configitems: register the 'web.encoding' config
Boris Feld <boris.feld@octobus.net>
parents: 33328
diff changeset
   314
        encoding.encoding = rctx.config('web', 'encoding')
36909
84110a1d0f7d hgweb: store the raw WSGI environment dict
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36898
diff changeset
   315
        rctx.repo.ui.environ = req.rawenv
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   316
30766
d7bf7d2bd5ab hgweb: support Content Security Policy
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30749
diff changeset
   317
        if rctx.csp:
d7bf7d2bd5ab hgweb: support Content Security Policy
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parents: 30749
diff changeset
   318
            # hgwebdir may have added CSP header. Since we generate our own,
d7bf7d2bd5ab hgweb: support Content Security Policy
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parents: 30749
diff changeset
   319
            # replace it.
36861
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
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parents: 36856
diff changeset
   320
            res.headers['Content-Security-Policy'] = rctx.csp
30766
d7bf7d2bd5ab hgweb: support Content Security Policy
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parents: 30749
diff changeset
   321
36861
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
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parents: 36856
diff changeset
   322
        handled = wireprotoserver.handlewsgirequest(
36877
02bea04b4c54 hgweb: transition permissions hooks to modern request type (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36876
diff changeset
   323
            rctx, req, res, self.check_perm)
36812
158d4ecc03c8 wireprotoserver: move all wire protocol handling logic out of hgweb
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36811
diff changeset
   324
        if handled:
36861
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36856
diff changeset
   325
            return res.sendresponse()
36812
158d4ecc03c8 wireprotoserver: move all wire protocol handling logic out of hgweb
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36811
diff changeset
   326
36898
d0b0fedbfb53 hgweb: change how dispatch path is reported
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36887
diff changeset
   327
        # Old implementations of hgweb supported dispatching the request via
d0b0fedbfb53 hgweb: change how dispatch path is reported
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36887
diff changeset
   328
        # the initial query string parameter instead of using PATH_INFO.
d0b0fedbfb53 hgweb: change how dispatch path is reported
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36887
diff changeset
   329
        # If PATH_INFO is present (signaled by ``req.dispatchpath`` having
d0b0fedbfb53 hgweb: change how dispatch path is reported
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36887
diff changeset
   330
        # a value), we use it. Otherwise fall back to the query string.
d0b0fedbfb53 hgweb: change how dispatch path is reported
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36887
diff changeset
   331
        if req.dispatchpath is not None:
36811
cfb9ef24968c hgweb: use parsed request to construct query parameters
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36810
diff changeset
   332
            query = req.dispatchpath
5596
20b07b68a865 hgweb: get rid of some nested functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5595
diff changeset
   333
        else:
36811
cfb9ef24968c hgweb: use parsed request to construct query parameters
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36810
diff changeset
   334
            query = req.querystring.partition('&')[0].partition(';')[0]
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   335
5596
20b07b68a865 hgweb: get rid of some nested functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5595
diff changeset
   336
        # translate user-visible url structure to internal structure
20b07b68a865 hgweb: get rid of some nested functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5595
diff changeset
   337
36811
cfb9ef24968c hgweb: use parsed request to construct query parameters
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36810
diff changeset
   338
        args = query.split('/', 2)
36865
3d60a22e27f5 hgweb: perform all parameter lookup via qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36864
diff changeset
   339
        if 'cmd' not in req.qsparams and args and args[0]:
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   340
            cmd = args.pop(0)
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   341
            style = cmd.rfind('-')
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   342
            if style != -1:
36863
1a1972b1a1ff hgweb: use our new request object for "style" parameter
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36861
diff changeset
   343
                req.qsparams['style'] = cmd[:style]
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10264
diff changeset
   344
                cmd = cmd[style + 1:]
5596
20b07b68a865 hgweb: get rid of some nested functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5595
diff changeset
   345
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   346
            # avoid accepting e.g. style parameter as command
14953
6ee6ecf1ee89 hgweb_mod: use safehasattr instead of hasattr
Augie Fackler <durin42@gmail.com>
parents: 14913
diff changeset
   347
            if util.safehasattr(webcommands, cmd):
36864
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   348
                req.qsparams['cmd'] = cmd
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   349
7287
6e9fe4ff9c54 hgweb: handle subdirectories within static directory
Brendan Cully <brendan@kublai.com>
parents: 7180
diff changeset
   350
            if cmd == 'static':
36864
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   351
                req.qsparams['file'] = '/'.join(args)
7287
6e9fe4ff9c54 hgweb: handle subdirectories within static directory
Brendan Cully <brendan@kublai.com>
parents: 7180
diff changeset
   352
            else:
6e9fe4ff9c54 hgweb: handle subdirectories within static directory
Brendan Cully <brendan@kublai.com>
parents: 7180
diff changeset
   353
                if args and args[0]:
25777
1c2a8db33b8f hgweb: allow symbolic revisions with forward slashes in urls
Anton Shestakov <av6@dwimlabs.net>
parents: 25720
diff changeset
   354
                    node = args.pop(0).replace('%2F', '/')
36864
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   355
                    req.qsparams['node'] = node
7287
6e9fe4ff9c54 hgweb: handle subdirectories within static directory
Brendan Cully <brendan@kublai.com>
parents: 7180
diff changeset
   356
                if args:
36864
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   357
                    if 'file' in req.qsparams:
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   358
                        del req.qsparams['file']
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   359
                    for a in args:
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   360
                        req.qsparams.add('file', a)
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   361
36814
f9078c6caeb6 hgweb: parse and store HTTP request headers
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36812
diff changeset
   362
            ua = req.headers.get('User-Agent', '')
9731
0e080d519d1b hgweb: treat rev as raw-rev if user agent is hg
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 8860
diff changeset
   363
            if cmd == 'rev' and 'mercurial' in ua:
36863
1a1972b1a1ff hgweb: use our new request object for "style" parameter
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36861
diff changeset
   364
                req.qsparams['style'] = 'raw'
9731
0e080d519d1b hgweb: treat rev as raw-rev if user agent is hg
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 8860
diff changeset
   365
7287
6e9fe4ff9c54 hgweb: handle subdirectories within static directory
Brendan Cully <brendan@kublai.com>
parents: 7180
diff changeset
   366
            if cmd == 'archive':
36865
3d60a22e27f5 hgweb: perform all parameter lookup via qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36864
diff changeset
   367
                fn = req.qsparams['node']
26136
6defc74f3066 hgweb: move archive related attributes to requestcontext
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26135
diff changeset
   368
                for type_, spec in rctx.archivespecs.iteritems():
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   369
                    ext = spec[2]
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   370
                    if fn.endswith(ext):
36865
3d60a22e27f5 hgweb: perform all parameter lookup via qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36864
diff changeset
   371
                        req.qsparams['node'] = fn[:-len(ext)]
36864
4e06e8336634 hgweb: set variables in qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
   372
                        req.qsparams['type'] = type_
35984
cdc93fe1da77 wireprotoserver: move protocol parsing and dispatch out of hgweb
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35982
diff changeset
   373
        else:
36865
3d60a22e27f5 hgweb: perform all parameter lookup via qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36864
diff changeset
   374
            cmd = req.qsparams.get('cmd', '')
5591
08887121a652 split out hgweb commands into a separate file, move some code around
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5579
diff changeset
   375
6149
b023915aa1bc hgweb: separate protocol calls from interface calls (issue996)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6142
diff changeset
   376
        # process the web interface request
5599
3de66c2a9734 hgweb: split out templater definition
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5598
diff changeset
   377
3de66c2a9734 hgweb: split out templater definition
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5598
diff changeset
   378
        try:
36883
061635d4221c hgweb: add a sendtemplate() helper function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36881
diff changeset
   379
            rctx.tmpl = rctx.templater(req)
061635d4221c hgweb: add a sendtemplate() helper function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36881
diff changeset
   380
            ctype = rctx.tmpl('mimetype', encoding=encoding.encoding)
6391
a1007f7b9b7b Backed out changeset d2bb66a8a435 (temporary template compatibility)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6379
diff changeset
   381
            ctype = templater.stringify(ctype)
6149
b023915aa1bc hgweb: separate protocol calls from interface calls (issue996)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6142
diff changeset
   382
7562
b663b5563de7 hgweb: allow static content when deny_read denies access
Mark Edgington <edgimar@gmail.com>
parents: 7396
diff changeset
   383
            # check read permissions non-static content
b663b5563de7 hgweb: allow static content when deny_read denies access
Mark Edgington <edgimar@gmail.com>
parents: 7396
diff changeset
   384
            if cmd != 'static':
36877
02bea04b4c54 hgweb: transition permissions hooks to modern request type (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36876
diff changeset
   385
                self.check_perm(rctx, req, None)
7336
2dc868712dcc hgweb: support for deny_read/allow_read options
Mark Edgington <edgimar@gmail.com>
parents: 7311
diff changeset
   386
6149
b023915aa1bc hgweb: separate protocol calls from interface calls (issue996)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6142
diff changeset
   387
            if cmd == '':
36883
061635d4221c hgweb: add a sendtemplate() helper function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36881
diff changeset
   388
                req.qsparams['cmd'] = rctx.tmpl.cache['default']
36865
3d60a22e27f5 hgweb: perform all parameter lookup via qsparams
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36864
diff changeset
   389
                cmd = req.qsparams['cmd']
5890
a0e20a5eba3c hgweb: fast path for sending raw files
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5889
diff changeset
   390
30766
d7bf7d2bd5ab hgweb: support Content Security Policy
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30749
diff changeset
   391
            # Don't enable caching if using a CSP nonce because then it wouldn't
d7bf7d2bd5ab hgweb: support Content Security Policy
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30749
diff changeset
   392
            # be a nonce.
34605
625202a44d88 configitems: register the 'web.cache' config
Boris Feld <boris.feld@octobus.net>
parents: 34602
diff changeset
   393
            if rctx.configbool('web', 'cache') and not rctx.nonce:
36869
7ad6a275316f hgweb: inline caching() and port to modern mechanisms
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36868
diff changeset
   394
                tag = 'W/"%d"' % self.mtime
7ad6a275316f hgweb: inline caching() and port to modern mechanisms
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36868
diff changeset
   395
                if req.headers.get('If-None-Match') == tag:
36878
ccb70a77f746 hgweb: refactor 304 handling code
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36877
diff changeset
   396
                    res.status = '304 Not Modified'
ccb70a77f746 hgweb: refactor 304 handling code
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36877
diff changeset
   397
                    # Response body not allowed on 304.
ccb70a77f746 hgweb: refactor 304 handling code
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36877
diff changeset
   398
                    res.setbodybytes('')
ccb70a77f746 hgweb: refactor 304 handling code
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36877
diff changeset
   399
                    return res.sendresponse()
36869
7ad6a275316f hgweb: inline caching() and port to modern mechanisms
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36868
diff changeset
   400
7ad6a275316f hgweb: inline caching() and port to modern mechanisms
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36868
diff changeset
   401
                res.headers['ETag'] = tag
7ad6a275316f hgweb: inline caching() and port to modern mechanisms
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36868
diff changeset
   402
6149
b023915aa1bc hgweb: separate protocol calls from interface calls (issue996)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6142
diff changeset
   403
            if cmd not in webcommands.__all__:
6368
2c370f08c486 hgweb: better error messages
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6249
diff changeset
   404
                msg = 'no such method: %s' % cmd
6149
b023915aa1bc hgweb: separate protocol calls from interface calls (issue996)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6142
diff changeset
   405
                raise ErrorResponse(HTTP_BAD_REQUEST, msg)
b023915aa1bc hgweb: separate protocol calls from interface calls (issue996)
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6142
diff changeset
   406
            else:
36870
1f42d621f090 hgweb: support using new response object for web commands
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36869
diff changeset
   407
                # Set some globals appropriate for web handlers. Commands can
1f42d621f090 hgweb: support using new response object for web commands
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36869
diff changeset
   408
                # override easily enough.
1f42d621f090 hgweb: support using new response object for web commands
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36869
diff changeset
   409
                res.status = '200 Script output follows'
1f42d621f090 hgweb: support using new response object for web commands
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36869
diff changeset
   410
                res.headers['Content-Type'] = ctype
36887
4daa22071d5d hgweb: stop passing req and tmpl into @webcommand functions (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36883
diff changeset
   411
                return getattr(webcommands, cmd)(rctx)
5600
9d900f7282e6 hgweb: explicitly pass around the templater
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5599
diff changeset
   412
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25565
diff changeset
   413
        except (error.LookupError, error.RepoLookupError) as err:
36258
af0a19d8812b py3: get bytes-repr of network errors portably
Augie Fackler <augie@google.com>
parents: 35986
diff changeset
   414
            msg = pycompat.bytestr(err)
18855
50c922c1b514 hgweb: show correct error message for i18n environment
Takumi IINO <trot.thunder@gmail.com>
parents: 18522
diff changeset
   415
            if (util.safehasattr(err, 'name') and
50c922c1b514 hgweb: show correct error message for i18n environment
Takumi IINO <trot.thunder@gmail.com>
parents: 18522
diff changeset
   416
                not isinstance(err,  error.ManifestLookupError)):
6368
2c370f08c486 hgweb: better error messages
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 6249
diff changeset
   417
                msg = 'revision not found: %s' % err.name
36879
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   418
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   419
            res.status = '404 Not Found'
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   420
            res.headers['Content-Type'] = ctype
36883
061635d4221c hgweb: add a sendtemplate() helper function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36881
diff changeset
   421
            return rctx.sendtemplate('error', error=msg)
36879
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   422
        except (error.RepoError, error.RevlogError) as e:
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   423
            res.status = '500 Internal Server Error'
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   424
            res.headers['Content-Type'] = ctype
36883
061635d4221c hgweb: add a sendtemplate() helper function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36881
diff changeset
   425
            return rctx.sendtemplate('error', error=pycompat.bytestr(e))
36879
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   426
        except ErrorResponse as e:
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   427
            res.status = statusmessage(e.code, pycompat.bytestr(e))
9675147aec06 hgweb: send errors using new response API
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36878
diff changeset
   428
            res.headers['Content-Type'] = ctype
36883
061635d4221c hgweb: add a sendtemplate() helper function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36881
diff changeset
   429
            return rctx.sendtemplate('error', error=pycompat.bytestr(e))
5599
3de66c2a9734 hgweb: split out templater definition
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 5598
diff changeset
   430
26134
e0a6908f066f hgweb: establish class for holding per request context
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26133
diff changeset
   431
    def check_perm(self, rctx, req, op):
22200
b27c3beaaf30 cleanup: avoid local vars shadowing imports
Mads Kiilerich <madski@unity3d.com>
parents: 22087
diff changeset
   432
        for permhook in permhooks:
26134
e0a6908f066f hgweb: establish class for holding per request context
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26133
diff changeset
   433
            permhook(rctx, req, op)
26208
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   434
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   435
def getwebview(repo):
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   436
    """The 'web.view' config controls changeset filter to hgweb. Possible
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   437
    values are ``served``, ``visible`` and ``all``. Default is ``served``.
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   438
    The ``served`` filter only shows changesets that can be pulled from the
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   439
    hgweb instance.  The``visible`` filter includes secret changesets but
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   440
    still excludes "hidden" one.
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   441
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   442
    See the repoview module for details.
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   443
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   444
    The option has been around undocumented since Mercurial 2.5, but no
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   445
    user ever asked about it. So we better keep it undocumented for now."""
34584
bf2389b1f15e configitems: register the 'web.view' config
Boris Feld <boris.feld@octobus.net>
parents: 34515
diff changeset
   446
    # experimental config: web.view
bf2389b1f15e configitems: register the 'web.view' config
Boris Feld <boris.feld@octobus.net>
parents: 34515
diff changeset
   447
    viewconfig = repo.ui.config('web', 'view', untrusted=True)
26208
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   448
    if viewconfig == 'all':
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   449
        return repo.unfiltered()
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   450
    elif viewconfig in repoview.filtertable:
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   451
        return repo.filtered(viewconfig)
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   452
    else:
c87566ac3c49 hgweb: extract _getview to own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26207
diff changeset
   453
        return repo.filtered('served')