/usr/share/cherokee/admin/plugins/proxy.py is in cherokee-admin 1.2.101-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Cherokee-admin
#
# Authors:
# Alvaro Lopez Ortega <alvaro@alobbs.com>
#
# Copyright (C) 2010 Alvaro Lopez Ortega
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
import CTK
import Handler
import Cherokee
import Balancer
import validations
from util import *
from consts import *
URL_APPLY = '/plugin/proxy/apply'
HELPS = [('modules_handlers_proxy', N_("Reverse Proxy"))]
NOTE_REUSE_MAX = N_("Maximum number of connections per server that the proxy can try to keep opened.")
NOTE_ALLOW_KEEPALIVE = N_("Allow the server to use Keep-alive connections with the back-end servers.")
NOTE_PRESERVE_HOST = N_("Preserve the original \"Host:\" header sent by the client. (Default: No)")
NOTE_PRESERVE_SERVER = N_("Preserve the \"Server:\" header sent by the back-end server. (Default: No)")
NOTE_ERROR_HANDLER = N_("Use the VServer error handler, whenever an error response is received from a back-end server. (Default: No)")
VALS = [
('.+?!reuse_max', validations.is_number_gt_0),
]
def commit():
# New Rewrite
for e in ('in_rewrite_request', 'out_rewrite_request'):
key = CTK.post.pop ('tmp!new!%s!key'%(e))
regex = CTK.post.pop ('tmp!new!%s!regex'%(e))
subst = CTK.post.pop ('tmp!new!%s!substring'%(e))
if regex:
next = CTK.cfg.get_next_entry_prefix ('%s!%s'%(key, e))
CTK.cfg['%s!regex'%(next)] = regex
CTK.cfg['%s!substring'%(next)] = subst
return CTK.cfg_reply_ajax_ok()
# New Header
for e in ('in_header_add', 'out_header_add'):
key = CTK.post.pop ('tmp!new!%s!key'%(e))
header = CTK.post.pop ('tmp!new!%s!header'%(e))
value = CTK.post.pop ('tmp!new!%s!value'%(e))
if header and value:
CTK.cfg['%s!%s!%s'%(key, e, header)] = value
return CTK.cfg_reply_ajax_ok()
# New Hide
for e in ('in_header_hide', 'out_header_hide'):
key = CTK.post.pop ('tmp!new!%s!key'%(e))
hide = CTK.post.pop ('tmp!new!%s!hide'%(e))
if hide:
next = CTK.cfg.get_next_entry_prefix ('%s!%s'%(key, e))
CTK.cfg[next] = hide
return CTK.cfg_reply_ajax_ok()
# Modification
return CTK.cfg_apply_post()
class URL_Rewrite (CTK.Container):
class Content (CTK.Container):
def __init__ (self, refresh, key):
CTK.Container.__init__ (self)
keys = CTK.cfg.keys(key)
if keys:
table = CTK.Table()
table.set_header(1)
table += [CTK.RawHTML(x) for x in (_('Regular Expression'), _('Substitution'))]
for k in CTK.cfg.keys(key):
regex = CTK.TextCfg ('%s!%s!regex'%(key,k), False)
subst = CTK.TextCfg ('%s!%s!substring'%(key,k), False)
remove = CTK.ImageStock('del')
remove.bind('click', CTK.JS.Ajax (URL_APPLY, data={'%s!%s'%(key,k): ''},
complete = refresh.JS_to_refresh()))
table += [regex, subst, remove]
submit = CTK.Submitter (URL_APPLY)
submit += table
self += CTK.Indenter (submit)
def __init__ (self, key, key_entry):
CTK.Container.__init__ (self)
# List
refresh = CTK.Refreshable ({'id': 'proxy_%s'%(key_entry)})
refresh.register (lambda: self.Content(refresh, '%s!%s'%(key, key_entry)).Render())
self += refresh
# New
new_regex = CTK.TextCfg('tmp!new!%s!regex'%(key_entry), False, {'class': 'noauto'})
new_subst = CTK.TextCfg('tmp!new!%s!substring'%(key_entry), True, {'class': 'noauto'})
add_button = CTK.SubmitterButton(_('Add'))
table = CTK.Table()
table.set_header(1)
table += [CTK.RawHTML(x) for x in (_('Add RegEx'), _('Substitution'))]
table += [new_regex, new_subst, add_button]
submit = CTK.Submitter (URL_APPLY)
submit += CTK.Indenter (table)
submit += CTK.Hidden ('tmp!new!%s!key'%(key_entry), key)
submit.bind ('submit_success', refresh.JS_to_refresh())
self += submit
class Header_List (CTK.Container):
class Content (CTK.Container):
def __init__ (self, refresh, key):
CTK.Container.__init__ (self)
keys = CTK.cfg.keys(key)
if keys:
table = CTK.Table()
table.set_header(1)
table += [CTK.RawHTML(x) for x in (_('Regular Expression'), _('Substitution'))]
for k in CTK.cfg.keys(key):
value = CTK.TextCfg ('%s!%s'%(key,k), False)
remove = CTK.ImageStock('del')
remove.bind('click', CTK.JS.Ajax (URL_APPLY, data={'%s!%s'%(key,k): ''},
complete = refresh.JS_to_refresh()))
table += [CTK.RawHTML(k), value, remove]
submit = CTK.Submitter (URL_APPLY)
submit += table
self += CTK.Indenter (submit)
def __init__ (self, key, key_entry):
CTK.Container.__init__ (self)
# List
refresh = CTK.Refreshable ({'id': 'proxy_%s'%(key_entry)})
refresh.register (lambda: self.Content(refresh, '%s!%s'%(key, key_entry)).Render())
self += refresh
# New
new_regex = CTK.TextCfg('tmp!new!%s!header'%(key_entry), False, {'class': 'noauto'})
new_subst = CTK.TextCfg('tmp!new!%s!value'%(key_entry), False, {'class': 'noauto'})
add_button = CTK.SubmitterButton(_('Add'))
table = CTK.Table()
table.set_header(1)
table += [CTK.RawHTML(x) for x in (_('Add Header Entry'), _('Value'))]
table += [new_regex, new_subst, add_button]
submit = CTK.Submitter (URL_APPLY)
submit += CTK.Indenter (table)
submit += CTK.Hidden ('tmp!new!%s!key'%(key_entry), key)
submit.bind ('submit_success', refresh.JS_to_refresh())
self += submit
class Header_Hide (CTK.Container):
class Content (CTK.Container):
def __init__ (self, refresh, key):
CTK.Container.__init__ (self)
keys = CTK.cfg.keys(key)
if keys:
table = CTK.Table()
table.set_header(1)
table += [CTK.RawHTML(_('Header'))]
for k in CTK.cfg.keys(key):
remove = CTK.ImageStock('del')
remove.bind('click', CTK.JS.Ajax (URL_APPLY, data={'%s!%s'%(key,k): ''},
complete = refresh.JS_to_refresh()))
table += [CTK.RawHTML(CTK.cfg.get_val('%s!%s'%(key,k))), remove]
submit = CTK.Submitter (URL_APPLY)
submit += table
self += CTK.Indenter (submit)
def __init__ (self, key, key_entry):
CTK.Container.__init__ (self)
# List
refresh = CTK.Refreshable ({'id': 'proxy_%s'%(key_entry)})
refresh.register (lambda: self.Content(refresh, '%s!%s'%(key, key_entry)).Render())
self += refresh
# New
new_hide = CTK.TextCfg('tmp!new!%s!hide'%(key_entry), False, {'class': 'noauto'})
add_button = CTK.SubmitterButton(_('Add'))
table = CTK.Table()
table.set_header(1)
table += [CTK.RawHTML (_('Hide Header'))]
table += [new_hide, add_button]
submit = CTK.Submitter (URL_APPLY)
submit += CTK.Indenter (table)
submit += CTK.Hidden ('tmp!new!%s!key'%(key_entry), key)
submit.bind ('submit_success', refresh.JS_to_refresh())
self += submit
class Plugin_proxy (Handler.PluginHandler):
def __init__ (self, key, **kwargs):
kwargs['show_document_root'] = False
Handler.PluginHandler.__init__ (self, key, **kwargs)
Handler.PluginHandler.AddCommon (self)
# Properties
table = CTK.PropsTable()
table.Add (_('Reuse connections'), CTK.TextCfg ('%s!reuse_max'%(key), True), _(NOTE_REUSE_MAX))
table.Add (_('Allow Keepalive'), CTK.CheckCfgText('%s!in_allow_keepalive'%(key), True, _('Allow')), _(NOTE_ALLOW_KEEPALIVE))
table.Add (_('Preserve Host Header'), CTK.CheckCfgText('%s!in_preserve_host'%(key), False, _('Preserve')), _(NOTE_PRESERVE_HOST))
table.Add (_('Preserve Server Header'), CTK.CheckCfgText('%s!out_preserve_server'%(key), False, _('Preserve')), _(NOTE_PRESERVE_SERVER))
table.Add (_('Use VServer error handler'), CTK.CheckCfgText('%s!vserver_errors'%(key), False, _('Use it')), _(NOTE_ERROR_HANDLER))
submit = CTK.Submitter (URL_APPLY)
submit += table
self += CTK.RawHTML ('<h2>%s</h2>' %(_('Reverse Proxy Settings')))
self += CTK.Indenter (submit)
# Request
self += CTK.RawHTML ('<h2>%s</h2>' %(_('Request')))
self += CTK.Indenter (CTK.RawHTML ('<h3>%s</h3>' %(_('URL Rewriting'))))
self += URL_Rewrite (key, 'in_rewrite_request')
self += CTK.Indenter (CTK.RawHTML ('<h3>%s</h3>' %(_('Header Addition'))))
self += Header_List (key, 'in_header_add')
self += CTK.Indenter (CTK.RawHTML ('<h3>%s</h3>' %(_('Hide Headers'))))
self += Header_Hide (key, 'in_header_hide')
# Reply
self += CTK.RawHTML ('<h2>%s</h2>' %(_('Reply')))
self += CTK.Indenter (CTK.RawHTML ('<h3>%s</h3>' %(_('URL Rewriting'))))
self += URL_Rewrite (key, 'out_rewrite_request')
self += CTK.Indenter (CTK.RawHTML ('<h3>%s</h3>' %(_('Header Addition'))))
self += Header_List (key, 'out_header_add')
self += CTK.Indenter (CTK.RawHTML ('<h3>%s</h3>' %(_('Hide Headers'))))
self += Header_Hide (key, 'out_header_hide')
# Balancer
modul = CTK.PluginSelector('%s!balancer'%(key), trans_options(Cherokee.support.filter_available (BALANCERS)))
table = CTK.PropsTable()
table.Add (_("Balancer"), modul.selector_widget, _(Balancer.NOTE_BALANCER))
self += CTK.RawHTML ('<h2>%s</h2>' %(_('Back-end Servers')))
self += CTK.Indenter (table)
self += modul
CTK.publish ('^%s'%(URL_APPLY), commit, method="POST", validation=VALS)
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