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Commit c8f81acd authored by Andreas Jung's avatar Andreas Jung
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This version is now fully functional and without dependencies from Products.PageTemplates

parent c9aa2bed
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Showing with 42 additions and 481 deletions
lib/python/Products/ZPT/ZPT.py
View file @ c8f81acd
...@@ -16,36 +16,41 @@ ...@@ -16,36 +16,41 @@
__version__='$Revision: 1.48 $'[11:-2] __version__='$Revision: 1.48 $'[11:-2]
import re import re
from urllib import quote import os
import os, AccessControl, Acquisition import Acquisition
from Globals import ImageFile, package_home, InitializeClass from Globals import ImageFile, package_home, InitializeClass
from OFS.SimpleItem import SimpleItem from OFS.SimpleItem import SimpleItem
from OFS.content_types import guess_content_type from OFS.content_types import guess_content_type
from DateTime.DateTime import DateTime from DateTime.DateTime import DateTime
from Shared.DC.Scripts.Script import Script from Shared.DC.Scripts.Script import Script
from Shared.DC.Scripts.Signature import FuncCode from Shared.DC.Scripts.Signature import FuncCode
from AccessControl import getSecurityManager
from OFS.History import Historical, html_diff from OFS.History import Historical, html_diff
from OFS.Cache import Cacheable from OFS.Cache import Cacheable
from OFS.Traversable import Traversable from OFS.Traversable import Traversable
from OFS.PropertyManager import PropertyManager from OFS.PropertyManager import PropertyManager
from Products.PageTemplates.Expressions import SecureModuleImporter from AccessControl import getSecurityManager, safe_builtins, ClassSecurityInfo
from Products.PageTemplates.PageTemplateFile import PageTemplateFile
from AccessControl import Unauthorized
from AccessControl.Permissions import view, ftp_access, change_page_templates, view_management_screens from AccessControl.Permissions import view, ftp_access, change_page_templates, view_management_screens
from webdav.Lockable import ResourceLockedError from webdav.Lockable import ResourceLockedError
from webdav.WriteLockInterface import WriteLockInterface from webdav.WriteLockInterface import WriteLockInterface
from zope.pagetemplate.pagetemplate import PageTemplate from zope.pagetemplate.pagetemplate import PageTemplate
#from zope.pagetemplate.pagetemplatefile import PageTemplateFile
# regular expression to extract the encoding from the XML preamble # regular expression to extract the encoding from the XML preamble
encoding_reg= re.compile('<\?xml.*?encoding="(.*?)".*?\?>', re.M) encoding_reg= re.compile('<\?xml.*?encoding="(.*?)".*?\?>', re.M)
class SecureModuleImporter:
__allow_access_to_unprotected_subobjects__ = 1
def __getitem__(self, module):
mod = safe_builtins['__import__'](module)
path = module.split('.')
for name in path[1:]:
mod = getattr(mod, name)
return mod
class Src(Acquisition.Explicit): class Src(Acquisition.Explicit):
""" I am scary code """ """ I am scary code """
...@@ -64,6 +69,7 @@ class Src(Acquisition.Explicit): ...@@ -64,6 +69,7 @@ class Src(Acquisition.Explicit):
def sniffEncoding(text, default_encoding='utf-8'): def sniffEncoding(text, default_encoding='utf-8'):
""" try to determine the encoding from html or xml """ """ try to determine the encoding from html or xml """
# XXX: look at pagetemplates.py (BOM!!!)
if text.startswith('<?xml'): if text.startswith('<?xml'):
mo = encoding_reg.search(text) mo = encoding_reg.search(text)
if mo: if mo:
...@@ -101,12 +107,13 @@ class ZPT(Script, PageTemplate, Historical, Cacheable, ...@@ -101,12 +107,13 @@ class ZPT(Script, PageTemplate, Historical, Cacheable,
{'id':'expand', 'type':'boolean', 'mode': 'w'}, {'id':'expand', 'type':'boolean', 'mode': 'w'},
) )
security = AccessControl.ClassSecurityInfo() security = ClassSecurityInfo()
security.declareObjectProtected(view) security.declareObjectProtected(view)
security.declareProtected(view, '__call__') security.declareProtected(view, '__call__')
def __init__(self, id, text=None, content_type=None, encoding='utf-8'): def __init__(self, id, text=None, content_type=None, encoding='utf-8'):
self.id = id self.id = id
self.expand = 0
self.ZBindings_edit(self._default_bindings) self.ZBindings_edit(self._default_bindings)
self.pt_edit(text, content_type, encoding) self.pt_edit(text, content_type, encoding)
...@@ -124,15 +131,8 @@ class ZPT(Script, PageTemplate, Historical, Cacheable, ...@@ -124,15 +131,8 @@ class ZPT(Script, PageTemplate, Historical, Cacheable,
def pt_edit(self, text, content_type, encoding='utf-8'): def pt_edit(self, text, content_type, encoding='utf-8'):
text = text.strip() text = text.strip()
# if content_type == 'text/html':
# if not text.startswith('<?xml'):
# # not XHTML -> convert it to unicode
# text = unicode(text, encoding)
if not isinstance(text, unicode): if not isinstance(text, unicode):
text = unicode(text, encoding) text = unicode(text, encoding)
print content_type, type(text),repr(text)
self.ZCacheable_invalidate() self.ZCacheable_invalidate()
PageTemplate.pt_edit(self, text, content_type) PageTemplate.pt_edit(self, text, content_type)
...@@ -238,7 +238,7 @@ class ZPT(Script, PageTemplate, Historical, Cacheable, ...@@ -238,7 +238,7 @@ class ZPT(Script, PageTemplate, Historical, Cacheable,
'options': {}, 'options': {},
'root': root, 'root': root,
'request': getattr(root, 'REQUEST', None), 'request': getattr(root, 'REQUEST', None),
'modules': SecureModuleImporter, 'modules': SecureModuleImporter(),
} }
return c return c
...@@ -258,7 +258,7 @@ class ZPT(Script, PageTemplate, Historical, Cacheable, ...@@ -258,7 +258,7 @@ class ZPT(Script, PageTemplate, Historical, Cacheable,
except AttributeError: except AttributeError:
pass pass
security=getSecurityManager() security = AccessControl.getSecurityManager()
bound_names['user'] = security.getUser() bound_names['user'] = security.getUser()
# Retrieve the value from the cache. # Retrieve the value from the cache.
...@@ -332,6 +332,9 @@ class ZPT(Script, PageTemplate, Historical, Cacheable, ...@@ -332,6 +332,9 @@ class ZPT(Script, PageTemplate, Historical, Cacheable,
def document_src(self, REQUEST=None, RESPONSE=None): def document_src(self, REQUEST=None, RESPONSE=None):
"""Return expanded document source.""" """Return expanded document source."""
print 'src', self.read()
if RESPONSE is not None: if RESPONSE is not None:
RESPONSE.setHeader('Content-Type', 'text/plain') RESPONSE.setHeader('Content-Type', 'text/plain')
if REQUEST is not None and REQUEST.get('raw'): if REQUEST is not None and REQUEST.get('raw'):
...@@ -363,15 +366,10 @@ class ZPT(Script, PageTemplate, Historical, Cacheable, ...@@ -363,15 +366,10 @@ class ZPT(Script, PageTemplate, Historical, Cacheable,
def wl_isLocked(self): def wl_isLocked(self):
return 0 return 0
security.declareProtected(view_management_screens, 'source_dot_xml') security.declareProtected(view_management_screens, 'getSource')
getSource = Src()
source_dot_xml = Src() source_dot_xml = Src()
security.declareProtected(view_management_screens, 'pt_editForm')
pt_editForm = PageTemplateFile('pt/ptEdit.pt', globals())
pt_editForm.__name__ = 'pt_editForm'
manage = manage_main = pt_editForm
InitializeClass(ZPT) InitializeClass(ZPT)
...@@ -379,22 +377,31 @@ setattr(ZPT, 'source.xml', ZPT.source_dot_xml) ...@@ -379,22 +377,31 @@ setattr(ZPT, 'source.xml', ZPT.source_dot_xml)
setattr(ZPT, 'source.html', ZPT.source_dot_xml) setattr(ZPT, 'source.html', ZPT.source_dot_xml)
def _newZPT(id, filename):
""" factory to generate ZPT instances from the file-system
based templates (basically for internal purposes)
"""
zpt = ZPT(id, open(filename).read(), 'text/html')
zpt.__name__= id
return zpt
class FSZPT(ZPT): class FSZPT(ZPT):
""" factory to generate ZPT instances from the file-system
based templates (basically for internal purposes)
"""
def __init__(self, filename, name): def __init__(self, id, filename):
self.__name__= name ZPT.__init__(self, id, open(filename).read(), 'text/html')
PageTemplate.__init__(self, open(filename).read(), 'text/html') self.__name__= id
InitializeClass(FSZPT) InitializeClass(FSZPT)
# Product registration and Add support ZPT.pt_editForm = FSZPT('pt_editForm', os.path.join(package_home(globals()),'pt', 'ptEdit.pt'))
manage_addZPTForm= PageTemplateFile('pt/ptAdd.pt', globals()) # this is scary, do we need this?
manage_addZPTForm.__name__ = 'manage_addZPTForm' ZPT.manage = ZPT.manage_main = ZPT.pt_editForm
#manage_addZPTForm= FSZPT(os.path.join(package_home(globals()), 'pt', 'ptAdd.pt'), 'manage_addZPTForm')
#manage_addZPTForm.__name__ = 'manage_addZPTForm'
manage_addZPTForm= FSZPT('manage_addZPTForm', os.path.join(package_home(globals()), 'pt', 'ptAdd.pt'))
def manage_addZPT(self, id, title='', file=None, encoding='utf-8', submit=None, RESPONSE=None): def manage_addZPT(self, id, title='', file=None, encoding='utf-8', submit=None, RESPONSE=None):
"Add a Page Template with optional file content." "Add a Page Template with optional file content."
...@@ -422,7 +429,7 @@ def manage_addZPT(self, id, title='', file=None, encoding='utf-8', submit=None, ...@@ -422,7 +429,7 @@ def manage_addZPT(self, id, title='', file=None, encoding='utf-8', submit=None,
else: else:
return zpt return zpt
from Products.PageTemplates import misc_ from Products.ZPT import misc_
misc_['exclamation.gif'] = ImageFile('pt/exclamation.gif', globals()) misc_['exclamation.gif'] = ImageFile('pt/exclamation.gif', globals())
def initialize(context): def initialize(context):
......
lib/python/Products/ZPT/ZPT.py.scary deleted 100755 → 0
View file @ c9aa2bed
##############################################################################
#
# Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
""" Zope Page Template module (wrapper for the Zope 3 ZPT implementation) """
__version__='$Revision: 1.48 $'[11:-2]
import re
from urllib import quote
import os, AccessControl, Acquisition
from Globals import ImageFile, package_home, InitializeClass
from OFS.SimpleItem import SimpleItem
from OFS.content_types import guess_content_type
from DateTime.DateTime import DateTime
from Shared.DC.Scripts.Script import Script
from Shared.DC.Scripts.Signature import FuncCode
from AccessControl import getSecurityManager
from OFS.History import Historical, html_diff
from OFS.Cache import Cacheable
from OFS.Traversable import Traversable
from OFS.PropertyManager import PropertyManager
from Products.PageTemplates.Expressions import SecureModuleImporter
from AccessControl import Unauthorized
from AccessControl.Permissions import view, ftp_access, change_page_templates, view_management_screens
from webdav.Lockable import ResourceLockedError
from webdav.WriteLockInterface import WriteLockInterface
from zope.pagetemplate.pagetemplate import PageTemplate
# regular expression to extract the encoding from the XML preamble
encoding_reg= re.compile('<\?xml.*?encoding="(.*?)".*?\?>', re.M)
class Src(Acquisition.Explicit):
""" I am scary code """
index_html = None
PUT = document_src = Acquisition.Acquired
def __before_publishing_traverse__(self, ob, request):
if getattr(request, '_hacked_path', 0):
request._hacked_path = 0
def __call__(self, REQUEST, RESPONSE):
" "
return self.document_src(REQUEST)
def sniffEncoding(text, default_encoding='utf-8'):
""" try to determine the encoding from html or xml """
# XXX: look at pagetemplates.py (BOM!!!)
if text.startswith('<?xml'):
mo = encoding_reg.search(text)
if mo:
return mo.group(1)
return default_encoding
_default_content_fn = os.path.join(package_home(globals()), 'pt', 'default.html')
class ZPT(Script, PageTemplate, Historical, Cacheable,
Traversable, PropertyManager):
""" Z2 wrapper class for Zope 3 page templates """
__implements__ = (WriteLockInterface,)
meta_type = 'ZPT'
func_defaults = None
func_code = FuncCode((), 0)
_default_bindings = {'name_subpath': 'traverse_subpath'}
manage_options = (
{'label':'Edit', 'action':'pt_editForm',
'help': ('PageTemplates', 'PageTemplate_Edit.stx')},
{'label':'Test', 'action':'ZScriptHTML_tryForm'},
) + PropertyManager.manage_options \
+ Historical.manage_options \
+ SimpleItem.manage_options \
+ Cacheable.manage_options
_properties=({'id':'title', 'type': 'ustring', 'mode': 'w'},
{'id':'content_type', 'type':'string', 'mode': 'w'},
{'id':'expand', 'type':'boolean', 'mode': 'w'},
)
security = AccessControl.ClassSecurityInfo()
security.declareObjectProtected(view)
security.declareProtected(view, '__call__')
def __init__(self, id, text=None, content_type=None, encoding='utf-8'):
self.id = id
self.ZBindings_edit(self._default_bindings)
self.pt_edit(text, content_type, encoding)
security.declareProtected(change_page_templates, 'pt_encoding')
def pt_encoding(self):
encoding = sniffEncoding(self.read())
return encoding
# Use the encoding of the document as encoding for the ZMI to
# avoid any kind of encoding troubles
from ComputedAttribute import ComputedAttribute
management_page_charset = ComputedAttribute(pt_encoding, 1)
security.declareProtected(change_page_templates, 'pt_edit')
def pt_edit(self, text, content_type, encoding='utf-8'):
text = text.strip()
# if content_type == 'text/html':
# if not text.startswith('<?xml'):
# # not XHTML -> convert it to unicode
# text = unicode(text, encoding)
if not isinstance(text, unicode):
text = unicode(text, encoding)
self.ZCacheable_invalidate()
import pdb
pdb.set_trace()
PageTemplate.pt_edit(self, text, content_type)
security.declareProtected(change_page_templates, 'pt_editAction')
def pt_editAction(self, REQUEST, title, text, content_type, encoding, expand):
"""Change the title and document."""
if self.wl_isLocked():
raise ResourceLockedError("File is locked via WebDAV")
self.expand = expand
self.pt_setTitle(title, encoding)
self.pt_edit(text, content_type, encoding)
REQUEST.set('text', self.read()) # May not equal 'text'!
REQUEST.set('title', self.title)
message = "Saved changes."
if getattr(self, '_v_warnings', None):
message = ("<strong>Warning:</strong> <i>%s</i>"
% '<br>'.join(self._v_warnings))
return self.pt_editForm(manage_tabs_message=message)
security.declareProtected(change_page_templates, 'pt_setTitle')
def pt_setTitle(self, title, encoding='utf-8'):
if not isinstance(title, unicode):
title = unicode(title, encoding)
self._setPropValue('title', title)
def _setPropValue(self, id, value):
""" set a property and invalidate the cache """
PropertyManager._setPropValue(self, id, value)
self.ZCacheable_invalidate()
security.declareProtected(change_page_templates, 'pt_upload')
def pt_upload(self, REQUEST, file='', encoding='utf-8'):
"""Replace the document with the text in file."""
if self.wl_isLocked():
raise ResourceLockedError("File is locked via WebDAV")
if isinstance(file, str):
filename = None
text = file
else:
if not file:
raise ValueError('File not specified')
filename = file.filename
text = file.read()
content_type, dummy = guess_content_type(filename, text)
if not content_type in ('text/html', 'text/xml'):
raise ValueError('Unsupported mimetype: %s' % content_type)
encoding = sniffEncoding(text, encoding)
self.pt_edit(text, content_type, encoding)
return self.pt_editForm(manage_tabs_message='Saved changes')
security.declareProtected(change_page_templates, 'pt_changePrefs')
def pt_changePrefs(self, REQUEST, height=None, width=None,
dtpref_cols="100%", dtpref_rows="20"):
"""Change editing preferences."""
dr = {"Taller":5, "Shorter":-5}.get(height, 0)
dc = {"Wider":5, "Narrower":-5}.get(width, 0)
if isinstance(height, int): dtpref_rows = height
if isinstance(width, int) or \
isinstance(width, str) and width.endswith('%'):
dtpref_cols = width
rows = str(max(1, int(dtpref_rows) + dr))
cols = str(dtpref_cols)
if cols.endswith('%'):
cols = str(min(100, max(25, int(cols[:-1]) + dc))) + '%'
else:
cols = str(max(35, int(cols) + dc))
e = (DateTime("GMT") + 365).rfc822()
setCookie = REQUEST["RESPONSE"].setCookie
setCookie("dtpref_rows", rows, path='/', expires=e)
setCookie("dtpref_cols", cols, path='/', expires=e)
REQUEST.other.update({"dtpref_cols":cols, "dtpref_rows":rows})
return self.manage_main()
def ZScriptHTML_tryParams(self):
"""Parameters to test the script with."""
return []
# def manage_historyCompare(self, rev1, rev2, REQUEST,
# historyComparisonResults=''):
# return ZopePageTemplate.inheritedAttribute(
# 'manage_historyCompare')(
# self, rev1, rev2, REQUEST,
# historyComparisonResults=html_diff(rev1._text, rev2._text) )
def pt_getContext(self, *args, **kw):
root = self.getPhysicalRoot()
context = self._getContext()
c = {'template': self,
'here': context,
'context': context,
'container': self._getContainer(),
'nothing': None,
'options': {},
'root': root,
'request': getattr(root, 'REQUEST', None),
'modules': SecureModuleImporter,
}
return c
security.declareProtected(view_management_screens, 'manage_main', 'read',
'ZScriptHTML_tryForm')
def _exec(self, bound_names, args, kw):
"""Call a Page Template"""
if not kw.has_key('args'):
kw['args'] = args
bound_names['options'] = kw
try:
response = self.REQUEST.RESPONSE
if not response.headers.has_key('content-type'):
response.setHeader('content-type', self.content_type)
except AttributeError:
pass
security=getSecurityManager()
bound_names['user'] = security.getUser()
# Retrieve the value from the cache.
keyset = None
if self.ZCacheable_isCachingEnabled():
# Prepare a cache key.
keyset = {'here': self._getContext(),
'bound_names': bound_names}
result = self.ZCacheable_get(keywords=keyset)
if result is not None:
# Got a cached value.
return result
# Execute the template in a new security context.
security.addContext(self)
try:
# XXX: check the parameters for pt_render()! (aj)
import pdb
pdb.set_trace()
result = self.pt_render(self.pt_getContext())
# result = self.pt_render(extra_context=bound_names)
if keyset is not None:
# Store the result in the cache.
self.ZCacheable_set(result, keywords=keyset)
return result
finally:
security.removeContext(self)
security.declareProtected(change_page_templates,
'manage_historyCopy',
'manage_beforeHistoryCopy', 'manage_afterHistoryCopy')
security.declareProtected(change_page_templates, 'PUT')
def PUT(self, REQUEST, RESPONSE):
""" Handle HTTP PUT requests """
self.dav__init(REQUEST, RESPONSE)
self.dav__simpleifhandler(REQUEST, RESPONSE, refresh=1)
## XXX:this should be unicode or we must pass an encoding
self.pt_edit(REQUEST.get('BODY', ''))
RESPONSE.setStatus(204)
return RESPONSE
security.declareProtected(change_page_templates, 'manage_FTPput')
manage_FTPput = PUT
security.declareProtected(ftp_access, 'manage_FTPstat','manage_FTPlist')
security.declareProtected(ftp_access, 'manage_FTPget')
def manage_FTPget(self):
"Get source for FTP download"
self.REQUEST.RESPONSE.setHeader('Content-Type', self.content_type)
return self.read()
security.declareProtected(view_management_screens, 'html')
def html(self):
return self.content_type == 'text/html'
security.declareProtected(view_management_screens, 'get_size')
def get_size(self):
return len(self.read())
security.declareProtected(view_management_screens, 'getSize')
getSize = get_size
security.declareProtected(view_management_screens, 'PrincipiaSearchSource')
def PrincipiaSearchSource(self):
"Support for searching - the document's contents are searched."
return self.read()
security.declareProtected(view_management_screens, 'document_src')
def document_src(self, REQUEST=None, RESPONSE=None):
"""Return expanded document source."""
print 'src', self.read()
if RESPONSE is not None:
RESPONSE.setHeader('Content-Type', 'text/plain')
if REQUEST is not None and REQUEST.get('raw'):
return self._text
return self.read()
def om_icons(self):
"""Return a list of icon URLs to be displayed by an ObjectManager"""
icons = ({'path': 'misc_/PageTemplates/zpt.gif',
'alt': self.meta_type, 'title': self.meta_type},)
if not self._v_cooked:
self._cook()
if self._v_errors:
icons = icons + ({'path': 'misc_/PageTemplates/exclamation.gif',
'alt': 'Error',
'title': 'This template has an error'},)
return icons
security.declareProtected(view, 'pt_source_file')
def pt_source_file(self):
"""Returns a file name to be compiled into the TAL code."""
try:
return '/'.join(self.getPhysicalPath())
except:
# This page template is being compiled without an
# acquisition context, so we don't know where it is. :-(
return None
def wl_isLocked(self):
return 0
security.declareProtected(view_management_screens, 'getSource')
getSource = Src()
source_dot_xml = Src()
InitializeClass(ZPT)
setattr(ZPT, 'source.xml', ZPT.source_dot_xml)
setattr(ZPT, 'source.html', ZPT.source_dot_xml)
def _newZPT(id, filename):
""" factory to generate ZPT instances from the file-system
based templates (basically for internal purposes)
"""
zpt = ZPT(id, open(filename).read(), 'text/html')
zpt.__name__= id
return zpt
class FSZPT(ZPT):
""" factory to generate ZPT instances from the file-system
based templates (basically for internal purposes)
"""
def __init__(self, id, filename):
ZPT.__init__(self, id, open(filename).read(), 'text/html')
self.__name__= id
InitializeClass(FSZPT)
ZPT.pt_editForm = FSZPT('pt_editForm', os.path.join(package_home(globals()),'pt', 'ptEdit.pt'))
# this is scary, do we need this?
ZPT.manage = ZPT.manage_main = ZPT.pt_editForm
manage_addZPTForm= FSZPT('manage_addZPTForm', os.path.join(package_home(globals()), 'pt', 'ptAdd.pt'))
def manage_addZPT(self, id, title='', file=None, encoding='utf-8', submit=None, RESPONSE=None):
"Add a Page Template with optional file content."
if file:
filename = file.filename
text = file.read()
encoding = sniffEncoding(text)
content_type, dummy = guess_content_type(filename, text)
else:
text = open(_default_content_fn).read()
encoding = 'utf-8'
content_type = 'text/html'
zpt = ZPT(id, text, content_type, encoding)
zpt.pt_setTitle(title, encoding)
self._setObject(id, zpt)
zpt = getattr(self, id)
if RESPONSE:
if submit == " Add and Edit ":
RESPONSE.redirect(zpt.absolute_url() + '/manage_main')
else:
RESPONSE.redirect(self.absolute_url() + '/manage_main')
else:
return zpt
from Products.ZPT import misc_
misc_['exclamation.gif'] = ImageFile('pt/exclamation.gif', globals())
def initialize(context):
context.registerClass(
ZPT,
permission='Add Page Templates',
constructors=(manage_addZPTForm,
manage_addZPT),
icon='pt/zpt.gif',
)
context.registerHelp()
context.registerHelpTitle('Zope Help')
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