add hg and python
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cinap_lenrek
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3709 changed files with 1244309 additions and 1 deletions
315
sys/lib/python/mercurial/hgweb/hgweb_mod.py
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315
sys/lib/python/mercurial/hgweb/hgweb_mod.py
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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, incorporated herein by reference.
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import os
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from mercurial import ui, hg, hook, error, encoding, templater
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from common import get_mtime, ErrorResponse
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from common import HTTP_OK, HTTP_BAD_REQUEST, HTTP_NOT_FOUND, HTTP_SERVER_ERROR
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from common import HTTP_UNAUTHORIZED, HTTP_METHOD_NOT_ALLOWED
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from request import wsgirequest
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import webcommands, protocol, webutil
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perms = {
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'changegroup': 'pull',
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'changegroupsubset': 'pull',
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'unbundle': 'push',
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'stream_out': 'pull',
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}
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class hgweb(object):
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def __init__(self, repo, name=None):
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if isinstance(repo, str):
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u = ui.ui()
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u.setconfig('ui', 'report_untrusted', 'off')
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u.setconfig('ui', 'interactive', 'off')
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self.repo = hg.repository(u, repo)
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else:
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self.repo = repo
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hook.redirect(True)
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self.mtime = -1
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self.reponame = name
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self.archives = 'zip', 'gz', 'bz2'
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self.stripecount = 1
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# a repo owner may set web.templates in .hg/hgrc to get any file
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# readable by the user running the CGI script
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self.templatepath = self.config('web', 'templates')
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# The CGI scripts are often run by a user different from the repo owner.
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# Trust the settings from the .hg/hgrc files by default.
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def config(self, section, name, default=None, 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=False, 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 configlist(self, section, name, default=None, 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 refresh(self):
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mtime = get_mtime(self.repo.root)
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if mtime != self.mtime:
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self.mtime = mtime
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self.repo = hg.repository(self.repo.ui, self.repo.root)
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self.maxchanges = int(self.config("web", "maxchanges", 10))
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self.stripecount = int(self.config("web", "stripes", 1))
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self.maxshortchanges = int(self.config("web", "maxshortchanges", 60))
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self.maxfiles = int(self.config("web", "maxfiles", 10))
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self.allowpull = self.configbool("web", "allowpull", True)
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encoding.encoding = self.config("web", "encoding",
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encoding.encoding)
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def run(self):
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if not os.environ.get('GATEWAY_INTERFACE', '').startswith("CGI/1."):
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raise RuntimeError("This function is only intended to be "
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"called while running as a CGI script.")
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import mercurial.hgweb.wsgicgi as wsgicgi
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wsgicgi.launch(self)
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def __call__(self, env, respond):
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req = wsgirequest(env, respond)
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return self.run_wsgi(req)
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def run_wsgi(self, req):
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self.refresh()
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# work with CGI variables to create coherent structure
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# use SCRIPT_NAME, PATH_INFO and QUERY_STRING as well as our REPO_NAME
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req.url = req.env['SCRIPT_NAME']
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if not req.url.endswith('/'):
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req.url += '/'
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if 'REPO_NAME' in req.env:
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req.url += req.env['REPO_NAME'] + '/'
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if 'PATH_INFO' in req.env:
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parts = req.env['PATH_INFO'].strip('/').split('/')
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repo_parts = req.env.get('REPO_NAME', '').split('/')
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if parts[:len(repo_parts)] == repo_parts:
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parts = parts[len(repo_parts):]
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query = '/'.join(parts)
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else:
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query = req.env['QUERY_STRING'].split('&', 1)[0]
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query = query.split(';', 1)[0]
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# process this if it's a protocol request
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# protocol bits don't need to create any URLs
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# and the clients always use the old URL structure
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cmd = req.form.get('cmd', [''])[0]
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if cmd and cmd in protocol.__all__:
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if query:
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raise ErrorResponse(HTTP_NOT_FOUND)
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try:
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if cmd in perms:
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try:
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self.check_perm(req, perms[cmd])
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except ErrorResponse, inst:
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if cmd == 'unbundle':
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req.drain()
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raise
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method = getattr(protocol, cmd)
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return method(self.repo, req)
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except ErrorResponse, inst:
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req.respond(inst, protocol.HGTYPE)
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if not inst.message:
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return []
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return '0\n%s\n' % inst.message,
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# translate user-visible url structure to internal structure
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args = query.split('/', 2)
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if 'cmd' not in req.form and args and args[0]:
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cmd = args.pop(0)
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style = cmd.rfind('-')
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if style != -1:
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req.form['style'] = [cmd[:style]]
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cmd = cmd[style+1:]
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# avoid accepting e.g. style parameter as command
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if hasattr(webcommands, cmd):
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req.form['cmd'] = [cmd]
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else:
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cmd = ''
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if cmd == 'static':
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req.form['file'] = ['/'.join(args)]
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else:
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if args and args[0]:
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node = args.pop(0)
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req.form['node'] = [node]
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if args:
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req.form['file'] = args
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if cmd == 'archive':
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fn = req.form['node'][0]
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for type_, spec in self.archive_specs.iteritems():
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ext = spec[2]
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if fn.endswith(ext):
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req.form['node'] = [fn[:-len(ext)]]
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req.form['type'] = [type_]
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# process the web interface request
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try:
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tmpl = self.templater(req)
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ctype = tmpl('mimetype', encoding=encoding.encoding)
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ctype = templater.stringify(ctype)
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# check read permissions non-static content
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if cmd != 'static':
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self.check_perm(req, None)
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if cmd == '':
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req.form['cmd'] = [tmpl.cache['default']]
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cmd = req.form['cmd'][0]
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if cmd not in webcommands.__all__:
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msg = 'no such method: %s' % cmd
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raise ErrorResponse(HTTP_BAD_REQUEST, msg)
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elif cmd == 'file' and 'raw' in req.form.get('style', []):
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self.ctype = ctype
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content = webcommands.rawfile(self, req, tmpl)
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else:
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content = getattr(webcommands, cmd)(self, req, tmpl)
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req.respond(HTTP_OK, ctype)
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return content
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except error.LookupError, err:
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req.respond(HTTP_NOT_FOUND, ctype)
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msg = str(err)
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if 'manifest' not in msg:
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msg = 'revision not found: %s' % err.name
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return tmpl('error', error=msg)
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except (error.RepoError, error.RevlogError), inst:
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req.respond(HTTP_SERVER_ERROR, ctype)
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return tmpl('error', error=str(inst))
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except ErrorResponse, inst:
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req.respond(inst, ctype)
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return tmpl('error', error=inst.message)
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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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proto = req.env.get('wsgi.url_scheme')
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if proto == 'https':
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proto = 'https'
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default_port = "443"
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else:
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proto = 'http'
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default_port = "80"
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port = req.env["SERVER_PORT"]
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port = port != default_port and (":" + port) or ""
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urlbase = '%s://%s%s' % (proto, req.env['SERVER_NAME'], port)
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staticurl = self.config("web", "staticurl") or req.url + '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 header(**map):
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yield tmpl('header', encoding=encoding.encoding, **map)
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def footer(**map):
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yield tmpl("footer", **map)
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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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style = self.config("web", "style", "paper")
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if 'style' in req.form:
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style = req.form['style'][0]
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vars['style'] = style
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start = req.url[-1] == '?' and '&' or '?'
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sessionvars = webutil.sessionvars(vars, start)
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mapfile = templater.stylemap(style, self.templatepath)
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if not self.reponame:
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self.reponame = (self.config("web", "name")
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or req.env.get('REPO_NAME')
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or req.url.strip('/') or self.repo.root)
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# create the templater
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tmpl = templater.templater(mapfile,
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defaults={"url": req.url,
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"staticurl": staticurl,
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"urlbase": urlbase,
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"repo": self.reponame,
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"header": header,
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"footer": footer,
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"motd": motd,
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"sessionvars": sessionvars
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})
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return tmpl
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def archivelist(self, nodeid):
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allowed = self.configlist("web", "allow_archive")
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for i, spec in self.archive_specs.iteritems():
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if i in allowed or self.configbool("web", "allow" + i):
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yield {"type" : i, "extension" : spec[2], "node" : nodeid}
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archive_specs = {
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'bz2': ('application/x-tar', 'tbz2', '.tar.bz2', None),
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'gz': ('application/x-tar', 'tgz', '.tar.gz', None),
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'zip': ('application/zip', 'zip', '.zip', None),
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}
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def check_perm(self, req, op):
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'''Check permission for operation based on request data (including
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authentication info). Return if op allowed, else raise an ErrorResponse
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exception.'''
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user = req.env.get('REMOTE_USER')
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deny_read = self.configlist('web', 'deny_read')
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if deny_read and (not user or deny_read == ['*'] or user in deny_read):
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raise ErrorResponse(HTTP_UNAUTHORIZED, 'read not authorized')
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allow_read = self.configlist('web', 'allow_read')
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result = (not allow_read) or (allow_read == ['*'])
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if not (result or user in allow_read):
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raise ErrorResponse(HTTP_UNAUTHORIZED, 'read not authorized')
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if op == 'pull' and not self.allowpull:
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raise ErrorResponse(HTTP_UNAUTHORIZED, 'pull not authorized')
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elif op == 'pull' or op is None: # op is None for interface requests
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return
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# enforce that you can only push using POST requests
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if req.env['REQUEST_METHOD'] != 'POST':
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msg = 'push requires POST request'
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raise ErrorResponse(HTTP_METHOD_NOT_ALLOWED, msg)
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# require ssl by default for pushing, auth info cannot be sniffed
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# and replayed
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scheme = req.env.get('wsgi.url_scheme')
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if self.configbool('web', 'push_ssl', True) and scheme != 'https':
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raise ErrorResponse(HTTP_OK, 'ssl required')
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deny = self.configlist('web', 'deny_push')
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if deny and (not user or deny == ['*'] or user in deny):
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raise ErrorResponse(HTTP_UNAUTHORIZED, 'push not authorized')
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allow = self.configlist('web', 'allow_push')
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result = allow and (allow == ['*'] or user in allow)
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if not result:
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raise ErrorResponse(HTTP_UNAUTHORIZED, 'push not authorized')
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