:created_on: Nov 26, 2010

:author: akesterson

"""

import pprint

import logging

import formencode.htmlfill

import traceback

from pylons import request, tmpl_context as c, url

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

from kallithea.lib import helpers as h

from kallithea.lib.compat import formatted_json

from kallithea.lib.base import BaseController, render

from kallithea.lib.auth import LoginRequired, HasPermissionAllDecorator

from kallithea.lib import auth_modules

from kallithea.model.forms import AuthSettingsForm

from kallithea.model.db import Setting

from kallithea.model.meta import Session

log = logging.getLogger(__name__)

class AuthSettingsController(BaseController):

    @LoginRequired()

    @HasPermissionAllDecorator('hg.admin')

    def __before__(self):

        super(AuthSettingsController, self).__before__()

    def __load_defaults(self):

        c.available_plugins = [

            'kallithea.lib.auth_modules.auth_internal',

            'kallithea.lib.auth_modules.auth_container',

            'kallithea.lib.auth_modules.auth_ldap',

            'kallithea.lib.auth_modules.auth_crowd',

            'kallithea.lib.auth_modules.auth_pam'

        ]

        c.enabled_plugins = Setting.get_auth_plugins()

    def index(self, defaults=None, errors=None, prefix_error=False):

        self.__load_defaults()

        _defaults = {}

        formglobals = {}

        formglobals.update(Setting.get_auth_settings())

        formglobals["plugin_settings"] = {}

        _defaults["auth_plugins"] = formglobals["auth_plugins"]

        for module in formglobals["auth_plugins"]:

            plugin = auth_modules.loadplugin(module)

            plugin_name = plugin.name

            formglobals["plugin_settings"][module] = plugin.plugin_settings()

            for v in formglobals["plugin_settings"][module]:

                fullname = ("auth_" + plugin_name + "_" + v["name"])

                if "default" in v:

                    _defaults[fullname] = v["default"]

                # Current values will be the default on the form, if there are any

                setting = Setting.get_by_name(fullname)

                if setting:

                    _defaults[fullname] = setting.app_settings_value

        # we want to show , separated list of enabled plugins

        _defaults['auth_plugins'] = ','.join(_defaults['auth_plugins'])

        if defaults:

            _defaults.update(defaults)

        formglobals["defaults"] = _defaults

        # set template context variables

        for k, v in formglobals.iteritems():

            setattr(c, k, v)

        log.debug(pprint.pformat(formglobals, indent=4))

        log.debug(formatted_json(defaults))

        return formencode.htmlfill.render(

            render('admin/auth/auth_settings.html'),

            defaults=_defaults,

            errors=errors,

            prefix_error=prefix_error,

            encoding="UTF-8",

            force_defaults=False)

    def auth_settings(self):

        """POST create and store auth settings"""

        self.__load_defaults()

        _form = AuthSettingsForm(c.enabled_plugins)()

        log.debug("POST Result: %s" % formatted_json(dict(request.POST)))

        try:

            form_result = _form.to_python(dict(request.POST))

            for k, v in form_result.items():

                if k == 'auth_plugins':

                    # we want to store it comma separated inside our settings

                    v = ','.join(v)

                log.debug("%s = %s" % (k, str(v)))

                setting = Setting.create_or_update(k, v)

                Session().add(setting)

            Session().commit()

            h.flash(_('Auth settings updated successfully'),

                       category='success')

        except formencode.Invalid, errors:

<%inherit file="/base/base.html"/>

<%block name="title">

    ${_('Authentication Settings')}

</%block>

<%def name="breadcrumbs_links()">

    ${h.link_to(_('Admin'),h.url('admin_home'))}

    »

    ${_('Authentication')}

</%def>

<%block name="header_menu">

    ${self.menu('admin')}

</%block>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

    </div>

    ${h.form(url('auth_settings'))}

    <div class="form">

    ## enabled auth plugins

    <h1>${_('Authentication Plugins')}</h1>

    <div class="fields">

       <div class="field">

           <div class="label"><label for="auth_plugins">${_("Enabled Plugins")}</label></div>

           <div class="input">${h.text("auth_plugins", class_='large')}

           <span class="help-block">${_('Comma separated list of plugins. Order of plugins is also order in which Kallithea will try to authenticate user')}</span>

               <div style="padding:10px 0px 10px 0px;font-weight: bold">${_('Available built-in plugins')}</div>

               <ul>

               %for plugin_path in c.available_plugins:

                    <li>

                      <div style="padding:3px 0px 3px 0px">

                          <span style="margin: 0px 10px 0px 0px" plugin_id="${plugin_path}" class="toggle-plugin btn btn-mini ${'btn-success' if plugin_path in c.enabled_plugins else ''}">

                          ${_('Enabled') if plugin_path in c.enabled_plugins else _('Disabled')}</span>${plugin_path}

                      </div>

                    </li>

               %endfor

               </ul>

           </div>

       </div>

    </div>

    %for cnt, module in enumerate(c.auth_plugins):

        <h1>${_('Plugin')}: ${pluginName}</h1>

        <div class="fields">

        ## autoform generation, based on plugin definition from it's settings

        %for setting in c.plugin_settings[module]:

            <% fullsetting = "auth_%s_%s" % (pluginName, setting["name"]) %>

            <% displayname = (setting["formname"] if ("formname" in setting) else setting["name"]) %>

            %if setting["type"] == "password":

            <div class="field">

                <div class="label"><label for="${fullsetting}">${_(displayname)}</label></div>

                <div class="input">

                    ${h.password(fullsetting,class_='small')}

                    <span class="help-block">${setting["description"]}</span>

                </div>

            </div>

            %elif setting["type"] in ["string", "int"]:

            <div class="field">

                <div class="label"><label for="${fullsetting}">${_(displayname)}</label></div>

                <div class="input">

                    ${h.text(fullsetting,class_='small')}

                    <span class="help-block">${setting["description"]}</span>

                </div>

            </div>

            %elif setting["type"] == "bool":

            <div class="field">

                <div class="label label-checkbox"><label for="${fullsetting}">${_(displayname)}</label></div>

                <div class="checkboxes">

                    <div class="checkbox">${h.checkbox(fullsetting,True,class_='small')}</div>

                    <span class="help-block">${setting["description"]}</span>

                </div>

            </div>

            %elif setting["type"] == "select":

            <div class="field">

                <div class="label"><label for="${fullsetting}">${_(displayname)}</label></div>

                <div class="select">

                    ${h.select(fullsetting,setting['values'][0],setting['values'],class_='small')}

                    <span class="help-block">${setting["description"]}</span>

                </div>

            </div>

            %else:

            <div class="field">

                <div class="label"><label for="${fullsetting}">${_(displayname)}</label></div>

                <div class="input">This field is of type ${setting['type']}, which cannot be displayed. Must be one of [string|int|bool|select].</div>

                <span class="help-block">${setting["description"]}</span>

            </div>

            %endif

        %endfor

        </div>

    %endfor