1004 lines
46 KiB
Python
1004 lines
46 KiB
Python
# ------------------------------------------------------------------------------
|
|
import os, os.path, sys, re, time, random, types, base64, urllib
|
|
from appy.shared import mimeTypes
|
|
from appy.shared.utils import getOsTempFolder, sequenceTypes
|
|
from appy.shared.data import languages
|
|
import appy.gen
|
|
from appy.gen import Type, Search, Selection
|
|
from appy.gen.utils import SomeObjects, getClassName
|
|
from appy.gen.mixins import BaseMixin
|
|
from appy.gen.wrappers import AbstractWrapper
|
|
from appy.gen.descriptors import ClassDescriptor
|
|
try:
|
|
from AccessControl.ZopeSecurityPolicy import _noroles
|
|
except ImportError:
|
|
_noroles = []
|
|
|
|
# Errors -----------------------------------------------------------------------
|
|
jsMessages = ('no_elem_selected', 'delete_confirm')
|
|
|
|
# ------------------------------------------------------------------------------
|
|
class ToolMixin(BaseMixin):
|
|
_appy_meta_type = 'Tool'
|
|
def getPortalType(self, metaTypeOrAppyClass):
|
|
'''Returns the name of the portal_type that is based on
|
|
p_metaTypeOrAppyType.'''
|
|
appName = self.getProductConfig().PROJECTNAME
|
|
res = metaTypeOrAppyClass
|
|
if not isinstance(metaTypeOrAppyClass, basestring):
|
|
res = getClassName(metaTypeOrAppyClass, appName)
|
|
if res.find('_wrappers') != -1:
|
|
elems = res.split('_')
|
|
res = '%s%s' % (elems[1], elems[4])
|
|
if res in ('User', 'Group', 'Translation'): res = appName + res
|
|
return res
|
|
|
|
def getHomePage(self):
|
|
'''Return the home page when a user hits the app.'''
|
|
# If the app defines a method "getHomePage", call it.
|
|
appyTool = self.appy()
|
|
try:
|
|
url = appyTool.getHomePage()
|
|
except AttributeError:
|
|
# Bring Managers to the config, lead others to home.pt.
|
|
user = self.getUser()
|
|
if user.has_role('Manager'):
|
|
url = self.goto(self.absolute_url())
|
|
else:
|
|
url = self.goto(self.getApp().ui.home.absolute_url())
|
|
return url
|
|
|
|
def getCatalog(self):
|
|
'''Returns the catalog object.'''
|
|
return self.getParentNode().catalog
|
|
|
|
def getApp(self):
|
|
'''Returns the root Zope object.'''
|
|
return self.getPhysicalRoot()
|
|
|
|
def getSiteUrl(self):
|
|
'''Returns the absolute URL of this site.'''
|
|
return self.getApp().absolute_url()
|
|
|
|
def getPodInfo(self, obj, name):
|
|
'''Gets the available POD formats for Pod field named p_name on
|
|
p_obj.'''
|
|
podField = self.getAppyType(name, className=obj.meta_type)
|
|
return podField.getToolInfo(obj.appy())
|
|
|
|
def generateDocument(self):
|
|
'''Generates the document from field-related info. UID of object that
|
|
is the template target is given in the request.'''
|
|
rq = self.REQUEST
|
|
# Get the object on which a document must be generated.
|
|
obj = self.getObject(rq.get('objectUid'), appy=True)
|
|
fieldName = rq.get('fieldName')
|
|
res = getattr(obj, fieldName)
|
|
if isinstance(res, basestring):
|
|
# An error has occurred, and p_res contains the error message
|
|
obj.say(res)
|
|
return self.goto(rq.get('HTTP_REFERER'))
|
|
# res contains a FileWrapper instance.
|
|
response = rq.RESPONSE
|
|
response.setHeader('Content-Type', res.mimeType)
|
|
response.setHeader('Content-Disposition',
|
|
'inline;filename="%s"' % res.name)
|
|
return res.content
|
|
|
|
def getAttr(self, name):
|
|
'''Gets attribute named p_name.'''
|
|
return getattr(self.appy(), name, None)
|
|
|
|
def getAppName(self):
|
|
'''Returns the name of the application.'''
|
|
return self.getProductConfig().PROJECTNAME
|
|
|
|
def getPath(self, path):
|
|
'''Returns the folder or object whose absolute path p_path.'''
|
|
res = self.getPhysicalRoot()
|
|
if path == '/': return res
|
|
path = path[1:]
|
|
if '/' not in path: return res._getOb(path) # For performance
|
|
for elem in path.split('/'): res = res._getOb(elem)
|
|
return res
|
|
|
|
def showLanguageSelector(self):
|
|
'''We must show the language selector if the app config requires it and
|
|
it there is more than 2 supported languages. Moreover, on some pages,
|
|
switching the language is not allowed.'''
|
|
cfg = self.getProductConfig()
|
|
if not cfg.languageSelector: return
|
|
if len(cfg.languages) < 2: return
|
|
page = self.REQUEST.get('ACTUAL_URL').split('/')[-1]
|
|
return page not in ('edit', 'query', 'search')
|
|
|
|
def getLanguages(self):
|
|
'''Returns the supported languages. First one is the default.'''
|
|
return self.getProductConfig().languages
|
|
|
|
def getLanguageName(self, code):
|
|
'''Gets the language name (in this language) from a 2-chars language
|
|
p_code.'''
|
|
return languages.get(code)[2]
|
|
|
|
def getGlobalCssJs(self):
|
|
'''Returns the list of CSS and JS files to include in the main template.
|
|
The method ensures that appy.css and appy.js come first.'''
|
|
names = self.getPhysicalRoot().ui.objectIds('File')
|
|
names.remove('appy.js'); names.insert(0, 'appy.js')
|
|
names.remove('appy.css'); names.insert(0, 'appy.css')
|
|
return names
|
|
|
|
def consumeMessages(self):
|
|
'''Returns the list of messages to show to a web page and clean it in
|
|
the session.'''
|
|
rq = self.REQUEST
|
|
res = rq.SESSION.get('messages', '')
|
|
if res:
|
|
del rq.SESSION['messages']
|
|
res = ' '.join([m[1] for m in res])
|
|
return res
|
|
|
|
def getRootClasses(self):
|
|
'''Returns the list of root classes for this application.'''
|
|
return self.getProductConfig().rootClasses
|
|
|
|
def _appy_getAllFields(self, contentType):
|
|
'''Returns the (translated) names of fields of p_contentType.'''
|
|
res = []
|
|
for appyType in self.getAllAppyTypes(className=contentType):
|
|
res.append((appyType.name, self.translate(appyType.labelId)))
|
|
# Add object state
|
|
res.append(('state', self.translate('workflow_state')))
|
|
return res
|
|
|
|
def _appy_getSearchableFields(self, contentType):
|
|
'''Returns the (translated) names of fields that may be searched on
|
|
objects of type p_contentType (=indexed fields).'''
|
|
res = []
|
|
for appyType in self.getAllAppyTypes(className=contentType):
|
|
if appyType.indexed:
|
|
res.append((appyType.name, self.translate(appyType.labelId)))
|
|
return res
|
|
|
|
def getSearchInfo(self, contentType, refInfo=None):
|
|
'''Returns, as a dict:
|
|
- the list of searchable fields (= some fields among all indexed
|
|
fields);
|
|
- the number of columns for layouting those fields.'''
|
|
fields = []
|
|
fieldDicts = []
|
|
if refInfo:
|
|
# The search is triggered from a Ref field.
|
|
refObject, fieldName = self.getRefInfo(refInfo)
|
|
refField = refObject.getAppyType(fieldName)
|
|
fieldNames = refField.queryFields or ()
|
|
nbOfColumns = refField.queryNbCols
|
|
else:
|
|
# The search is triggered from an app-wide search.
|
|
at = self.appy()
|
|
fieldNames = getattr(at, 'searchFieldsFor%s' % contentType,())
|
|
nbOfColumns = getattr(at, 'numberOfSearchColumnsFor%s' %contentType)
|
|
for name in fieldNames:
|
|
appyType = self.getAppyType(name,asDict=False,className=contentType)
|
|
appyDict = self.getAppyType(name, asDict=True,className=contentType)
|
|
fields.append(appyType)
|
|
fieldDicts.append(appyDict)
|
|
return {'fields': fields, 'nbOfColumns': nbOfColumns,
|
|
'fieldDicts': fieldDicts}
|
|
|
|
queryParamNames = ('className', 'search', 'sortKey', 'sortOrder',
|
|
'filterKey', 'filterValue')
|
|
def getQueryInfo(self):
|
|
'''If we are showing search results, this method encodes in a string all
|
|
the params in the request that are required for re-triggering the
|
|
search.'''
|
|
rq = self.REQUEST
|
|
res = ''
|
|
if rq.has_key('search'):
|
|
res = ';'.join([rq.get(key,'').replace(';','') \
|
|
for key in self.queryParamNames])
|
|
return res
|
|
|
|
def getImportElements(self, contentType):
|
|
'''Returns the list of elements that can be imported from p_path for
|
|
p_contentType.'''
|
|
appyClass = self.getAppyClass(contentType)
|
|
importParams = self.getCreateMeans(appyClass)['import']
|
|
onElement = importParams['onElement'].__get__('')
|
|
sortMethod = importParams['sort']
|
|
if sortMethod: sortMethod = sortMethod.__get__('')
|
|
elems = []
|
|
importType = self.getAppyType('importPathFor%s' % contentType)
|
|
importPath = importType.getValue(self)
|
|
for elem in os.listdir(importPath):
|
|
elemFullPath = os.path.join(importPath, elem)
|
|
elemInfo = onElement(elemFullPath)
|
|
if elemInfo:
|
|
elemInfo.insert(0, elemFullPath) # To the result, I add the full
|
|
# path of the elem, which will not be shown.
|
|
elems.append(elemInfo)
|
|
if sortMethod:
|
|
elems = sortMethod(elems)
|
|
return [importParams['headers'], elems]
|
|
|
|
def showPortlet(self, context):
|
|
if self.userIsAnon(): return False
|
|
if context.id == 'ui': context = context.getParentNode()
|
|
res = True
|
|
if not self.getRootClasses():
|
|
res = False
|
|
# If there is no root class, show the portlet only if we are within
|
|
# the configuration.
|
|
if (self.id in context.absolute_url()): res = True
|
|
return res
|
|
|
|
def getObject(self, uid, appy=False, brain=False):
|
|
'''Allows to retrieve an object from its p_uid.'''
|
|
res = self.getPhysicalRoot().catalog(UID=uid)
|
|
if not res: return
|
|
res = res[0]
|
|
if brain: return res
|
|
res = res._unrestrictedGetObject()
|
|
if not appy: return res
|
|
return res.appy()
|
|
|
|
def getAllowedValue(self):
|
|
'''Gets, for the currently logged user, the value for index
|
|
"Allowed".'''
|
|
user = self.getUser()
|
|
res = ['user:%s' % user.getId(), 'Anonymous'] + user.getRoles()
|
|
try:
|
|
res += ['user:%s' % g for g in user.groups.keys()]
|
|
except AttributeError, ae:
|
|
pass # The Zope admin does not have this attribute.
|
|
return res
|
|
|
|
def executeQuery(self, className, searchName=None, startNumber=0,
|
|
search=None, remember=False, brainsOnly=False,
|
|
maxResults=None, noSecurity=False, sortBy=None,
|
|
sortOrder='asc', filterKey=None, filterValue=None,
|
|
refObject=None, refField=None):
|
|
'''Executes a query on instances of a given p_className (or several,
|
|
separated with commas) in the catalog. If p_searchName is specified,
|
|
it corresponds to:
|
|
1) a search defined on p_className: additional search criteria
|
|
will be added to the query, or;
|
|
2) "_advanced": in this case, additional search criteria will also
|
|
be added to the query, but those criteria come from the session
|
|
(in key "searchCriteria") and were created from search.pt.
|
|
|
|
We will retrieve objects from p_startNumber. If p_search is defined,
|
|
it corresponds to a custom Search instance (instead of a predefined
|
|
named search like in p_searchName). If both p_searchName and p_search
|
|
are given, p_search is ignored.
|
|
|
|
This method returns a list of objects in the form of the
|
|
__dict__ attribute of an instance of SomeObjects (see in
|
|
appy.gen.utils). We return the __dict__ attribute instead of real
|
|
instance: that way, it can be used in ZPTs without security problems.
|
|
If p_brainsOnly is True, it returns a list of brains instead (can be
|
|
useful for some usages like knowing the number of objects without
|
|
needing to get information about them). If no p_maxResults is
|
|
specified, the method returns maximum
|
|
self.numberOfResultsPerPage. The method returns all objects if
|
|
p_maxResults equals string "NO_LIMIT".
|
|
|
|
If p_noSecurity is True, it gets all the objects, even those that the
|
|
currently logged user can't see.
|
|
|
|
The result is sorted according to the potential sort key defined in
|
|
the Search instance (Search.sortBy). But if parameter p_sortBy is
|
|
given, it defines or overrides the sort. In this case, p_sortOrder
|
|
gives the order (*asc*ending or *desc*ending).
|
|
|
|
If p_filterKey is given, it represents an additional search parameter
|
|
to take into account: the corresponding search value is in
|
|
p_filterValue.
|
|
|
|
If p_refObject and p_refField are given, the query is limited to the
|
|
objects that are referenced from p_refObject through p_refField.'''
|
|
# Is there one or several content types ?
|
|
if className.find(',') != -1:
|
|
classNames = className.split(',')
|
|
else:
|
|
classNames = className
|
|
params = {'ClassName': classNames}
|
|
if not brainsOnly: params['batch'] = True
|
|
# Manage additional criteria from a search when relevant
|
|
if searchName:
|
|
# In this case, className must contain a single content type.
|
|
appyClass = self.getAppyClass(className)
|
|
if searchName != '_advanced':
|
|
search = ClassDescriptor.getSearch(appyClass, searchName)
|
|
else:
|
|
fields = self.REQUEST.SESSION['searchCriteria']
|
|
search = Search('customSearch', **fields)
|
|
if search:
|
|
# Add additional search criteria
|
|
for fieldName, fieldValue in search.fields.iteritems():
|
|
# Management of searches restricted to objects linked through a
|
|
# Ref field: not implemented yet.
|
|
if fieldName == '_ref': continue
|
|
# Make the correspondance between the name of the field and the
|
|
# name of the corresponding index.
|
|
attrName = Search.getIndexName(fieldName)
|
|
# Express the field value in the way needed by the index
|
|
params[attrName] = Search.getSearchValue(fieldName, fieldValue)
|
|
# Add a sort order if specified
|
|
sortKey = search.sortBy
|
|
if sortKey:
|
|
params['sort_on'] = Search.getIndexName(sortKey, usage='sort')
|
|
# Determine or override sort if specified.
|
|
if sortBy:
|
|
params['sort_on'] = Search.getIndexName(sortBy, usage='sort')
|
|
if sortOrder == 'desc': params['sort_order'] = 'reverse'
|
|
else: params['sort_order'] = None
|
|
# If defined, add the filter among search parameters.
|
|
if filterKey:
|
|
filterKey = Search.getIndexName(filterKey)
|
|
filterValue = Search.getSearchValue(filterKey, filterValue)
|
|
params[filterKey] = filterValue
|
|
# TODO This value needs to be merged with an existing one if already
|
|
# in params, or, in a first step, we should avoid to display the
|
|
# corresponding filter widget on the screen.
|
|
if refObject:
|
|
refField = refObject.getAppyType(refField)
|
|
params['UID'] = getattr(refObject, refField.name).data
|
|
# Use index "Allowed" if noSecurity is False
|
|
if not noSecurity: params['Allowed'] = self.getAllowedValue()
|
|
brains = self.getPath("/catalog")(**params)
|
|
if brainsOnly:
|
|
# Return brains only.
|
|
if not maxResults: return brains
|
|
else: return brains[:maxResults]
|
|
if not maxResults:
|
|
if refField: maxResults = refField.maxPerPage
|
|
else: maxResults = self.appy().numberOfResultsPerPage
|
|
elif maxResults == 'NO_LIMIT': maxResults = None
|
|
res = SomeObjects(brains, maxResults, startNumber,noSecurity=noSecurity)
|
|
res.brainsToObjects()
|
|
# In some cases (p_remember=True), we need to keep some information
|
|
# about the query results in the current user's session, allowing him
|
|
# to navigate within elements without re-triggering the query every
|
|
# time a page for an element is consulted.
|
|
if remember:
|
|
if not searchName:
|
|
# It is the global search for all objects pf p_className
|
|
searchName = className
|
|
uids = {}
|
|
i = -1
|
|
for obj in res.objects:
|
|
i += 1
|
|
uids[startNumber+i] = obj.UID()
|
|
self.REQUEST.SESSION['search_%s' % searchName] = uids
|
|
return res.__dict__
|
|
|
|
def getResultColumnsNames(self, contentType, refInfo):
|
|
contentTypes = contentType.strip(',').split(',')
|
|
resSet = None # Temporary set for computing intersections.
|
|
res = [] # Final, sorted result.
|
|
fieldNames = None
|
|
appyTool = self.appy()
|
|
refField = None
|
|
if refInfo[0]: refField = refInfo[0].getAppyType(refInfo[1])
|
|
for cType in contentTypes:
|
|
if refField:
|
|
fieldNames = refField.shownInfo
|
|
else:
|
|
fieldNames = getattr(appyTool, 'resultColumnsFor%s' % cType)
|
|
if not resSet:
|
|
resSet = set(fieldNames)
|
|
else:
|
|
resSet = resSet.intersection(fieldNames)
|
|
# By converting to set, we've lost order. Let's put things in the right
|
|
# order.
|
|
for fieldName in fieldNames:
|
|
if fieldName in resSet:
|
|
res.append(fieldName)
|
|
return res
|
|
|
|
def truncateValue(self, value, appyType):
|
|
'''Truncates the p_value according to p_appyType width.'''
|
|
maxWidth = appyType['width']
|
|
if isinstance(value, str): value = value.decode('utf-8')
|
|
if len(value) > maxWidth:
|
|
return value[:maxWidth].encode('utf-8') + '...'
|
|
return value.encode('utf-8')
|
|
|
|
def truncateText(self, text, width=15):
|
|
'''Truncates p_text to max p_width chars. If the text is longer than
|
|
p_width, the truncated part is put in a "acronym" html tag.'''
|
|
# p_text has to be unicode-encoded for being truncated (else, one char
|
|
# may be spread on 2 chars). But this method must return an encoded
|
|
# string, else, ZPT crashes. The same remark holds for m_truncateValue
|
|
# above.
|
|
uText = text # uText will store the unicode version
|
|
if isinstance(text, str): uText = text.decode('utf-8')
|
|
if len(uText) <= width: return text
|
|
return '<acronym title="%s">%s</acronym>' % \
|
|
(text, uText[:width].encode('utf-8') + '...')
|
|
|
|
def getPublishedObject(self):
|
|
'''Gets the currently published object, if its meta_class is among
|
|
application classes.'''
|
|
req = self.REQUEST
|
|
# If we are querying object, there is no published object (the truth is:
|
|
# the tool is the currently published object but we don't want to
|
|
# consider it this way).
|
|
if not req['ACTUAL_URL'].endswith('/ui/view'): return
|
|
obj = self.REQUEST['PUBLISHED']
|
|
parent = obj.getParentNode()
|
|
if parent.id == 'ui': obj = parent.getParentNode()
|
|
if obj.meta_type in self.getProductConfig().attributes: return obj
|
|
|
|
def getZopeClass(self, name):
|
|
'''Returns the Zope class whose name is p_name.'''
|
|
exec 'from Products.%s.%s import %s as C'% (self.getAppName(),name,name)
|
|
return C
|
|
|
|
def getAppyClass(self, zopeName, wrapper=False):
|
|
'''Gets the Appy class corresponding to the Zope class named p_name.
|
|
If p_wrapper is True, it returns the Appy wrapper. Else, it returns
|
|
the user-defined class.'''
|
|
zopeClass = self.getZopeClass(zopeName)
|
|
if wrapper: return zopeClass.wrapperClass
|
|
else: return zopeClass.wrapperClass.__bases__[-1]
|
|
|
|
def getCreateMeans(self, contentTypeOrAppyClass):
|
|
'''Gets the different ways objects of p_contentTypeOrAppyClass (which
|
|
can be a Zope content type or a Appy class) can be created
|
|
(via a web form, by importing external data, etc). Result is a
|
|
dict whose keys are strings (ie "form", "import"...) and whose
|
|
values are additional data bout the particular mean.'''
|
|
pythonClass = contentTypeOrAppyClass
|
|
if isinstance(contentTypeOrAppyClass, basestring):
|
|
pythonClass = self.getAppyClass(pythonClass)
|
|
res = {}
|
|
if not pythonClass.__dict__.has_key('create'):
|
|
res['form'] = None
|
|
# No additional data for this means, which is the default one.
|
|
else:
|
|
means = pythonClass.create
|
|
if means:
|
|
if isinstance(means, basestring): res[means] = None
|
|
elif isinstance(means, list) or isinstance(means, tuple):
|
|
for mean in means:
|
|
if isinstance(mean, basestring):
|
|
res[mean] = None
|
|
else:
|
|
res[mean.id] = mean.__dict__
|
|
else:
|
|
res[means.id] = means.__dict__
|
|
return res
|
|
|
|
def userMaySearch(self, rootClass):
|
|
'''This method checks if the currently logged user can trigger searches
|
|
on a given p_rootClass. This is done by calling method "maySearch"
|
|
on the class. If no such method exists, we return True.'''
|
|
# When editign a form, one should avoid annoying the user with this.
|
|
url = self.REQUEST['ACTUAL_URL']
|
|
if url.endswith('/edit') or url.endswith('/do'): return
|
|
pythonClass = self.getAppyClass(rootClass)
|
|
if 'maySearch' in pythonClass.__dict__:
|
|
return pythonClass.maySearch(self.appy())
|
|
return True
|
|
|
|
def onImportObjects(self):
|
|
'''This method is called when the user wants to create objects from
|
|
external data.'''
|
|
rq = self.REQUEST
|
|
appyClass = self.getAppyClass(rq.get('className'))
|
|
importPaths = rq.get('importPath').split('|')
|
|
appFolder = self.getPath('/data')
|
|
for importPath in importPaths:
|
|
if not importPath: continue
|
|
objectId = os.path.basename(importPath)
|
|
self.appy().create(appyClass, id=objectId, _data=importPath)
|
|
self.say(self.translate('import_done'))
|
|
return self.goto(rq['HTTP_REFERER'])
|
|
|
|
def isAlreadyImported(self, contentType, importPath):
|
|
data = self.getPath('/data')
|
|
objectId = os.path.basename(importPath)
|
|
if hasattr(data.aq_base, objectId):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def isSortable(self, name, className, usage):
|
|
'''Is field p_name defined on p_className sortable for p_usage purposes
|
|
(p_usage can be "ref" or "search")?'''
|
|
if (',' in className) or (name == 'state'): return False
|
|
appyType = self.getAppyType(name, className=className)
|
|
if appyType: return appyType.isSortable(usage=usage)
|
|
|
|
def _searchValueIsEmpty(self, key):
|
|
'''Returns True if request value in key p_key can be considered as
|
|
empty.'''
|
|
rq = self.REQUEST.form
|
|
if key.endswith('*int') or key.endswith('*float'):
|
|
# We return True if "from" AND "to" values are empty.
|
|
toKey = '%s_to' % key[2:key.find('*')]
|
|
return not rq[key].strip() and not rq[toKey].strip()
|
|
elif key.endswith('*date'):
|
|
# We return True if "from" AND "to" values are empty. A value is
|
|
# considered as not empty if at least the year is specified.
|
|
toKey = '%s_to_year' % key[2:-5]
|
|
return not rq[key] and not rq[toKey]
|
|
else:
|
|
return not rq[key]
|
|
|
|
def _getDateTime(self, year, month, day, setMin):
|
|
'''Gets a valid DateTime instance from date information coming from the
|
|
request as strings in p_year, p_month and p_day. Returns None if
|
|
p_year is empty. If p_setMin is True, when some
|
|
information is missing (month or day), we will replace it with the
|
|
minimum value (=1). Else, we will replace it with the maximum value
|
|
(=12, =31).'''
|
|
if not year: return None
|
|
if not month:
|
|
if setMin: month = 1
|
|
else: month = 12
|
|
if not day:
|
|
if setMin: day = 1
|
|
else: day = 31
|
|
DateTime = self.getProductConfig().DateTime
|
|
# Set the hour
|
|
if setMin: hour = '00:00'
|
|
else: hour = '23:59'
|
|
# We loop until we find a valid date. For example, we could loop from
|
|
# 2009/02/31 to 2009/02/28.
|
|
dateIsWrong = True
|
|
while dateIsWrong:
|
|
try:
|
|
res = DateTime('%s/%s/%s %s' % (year, month, day, hour))
|
|
dateIsWrong = False
|
|
except:
|
|
day = int(day)-1
|
|
return res
|
|
|
|
transformMethods = {'uppercase': 'upper', 'lowercase': 'lower',
|
|
'capitalize': 'capitalize'}
|
|
def onSearchObjects(self):
|
|
'''This method is called when the user triggers a search from
|
|
search.pt.'''
|
|
rq = self.REQUEST
|
|
# Store the search criteria in the session
|
|
criteria = {}
|
|
for attrName in rq.form.keys():
|
|
if attrName.startswith('w_') and \
|
|
not self._searchValueIsEmpty(attrName):
|
|
# We have a(n interval of) value(s) that is not empty for a
|
|
# given field.
|
|
attrValue = rq.form[attrName]
|
|
if attrName.find('*') != -1:
|
|
attrValue = attrValue.strip()
|
|
# The type of the value is encoded after char "*".
|
|
attrName, attrType = attrName.split('*')
|
|
if attrType == 'bool':
|
|
exec 'attrValue = %s' % attrValue
|
|
elif attrType in ('int', 'float'):
|
|
# Get the "from" value
|
|
if not attrValue: attrValue = None
|
|
else:
|
|
exec 'attrValue = %s(attrValue)' % attrType
|
|
# Get the "to" value
|
|
toValue = rq.form['%s_to' % attrName[2:]].strip()
|
|
if not toValue: toValue = None
|
|
else:
|
|
exec 'toValue = %s(toValue)' % attrType
|
|
attrValue = (attrValue, toValue)
|
|
elif attrType == 'date':
|
|
prefix = attrName[2:]
|
|
# Get the "from" value
|
|
year = attrValue
|
|
month = rq.form['%s_from_month' % prefix]
|
|
day = rq.form['%s_from_day' % prefix]
|
|
fromDate = self._getDateTime(year, month, day, True)
|
|
# Get the "to" value"
|
|
year = rq.form['%s_to_year' % prefix]
|
|
month = rq.form['%s_to_month' % prefix]
|
|
day = rq.form['%s_to_day' % prefix]
|
|
toDate = self._getDateTime(year, month, day, False)
|
|
attrValue = (fromDate, toDate)
|
|
elif attrType.startswith('string'):
|
|
# In the case of a string, it could be necessary to
|
|
# apply some text transform.
|
|
if len(attrType) > 6:
|
|
transform = attrType.split('-')[1]
|
|
if (transform != 'none') and attrValue:
|
|
exec 'attrValue = attrValue.%s()' % \
|
|
self.transformMethods[transform]
|
|
if isinstance(attrValue, list):
|
|
# It is a list of values. Check if we have an operator for
|
|
# the field, to see if we make an "and" or "or" for all
|
|
# those values. "or" will be the default.
|
|
operKey = 'o_%s' % attrName[2:]
|
|
oper = ' %s ' % rq.form.get(operKey, 'or').upper()
|
|
attrValue = oper.join(attrValue)
|
|
criteria[attrName[2:]] = attrValue
|
|
# Complete criteria with Ref info if the search is restricted to
|
|
# referenced objects of a Ref field.
|
|
refInfo = rq.get('ref', None)
|
|
if refInfo: criteria['_ref'] = refInfo
|
|
rq.SESSION['searchCriteria'] = criteria
|
|
# Go to the screen that displays search results
|
|
backUrl = '%s/ui/query?className=%s&&search=_advanced' % \
|
|
(self.absolute_url(), rq['className'])
|
|
return self.goto(backUrl)
|
|
|
|
def getJavascriptMessages(self):
|
|
'''Returns the translated version of messages that must be shown in
|
|
Javascript popups.'''
|
|
res = ''
|
|
for msg in jsMessages:
|
|
res += 'var %s = "%s";\n' % (msg, self.translate(msg))
|
|
return res
|
|
|
|
def getRefInfo(self, refInfo=None):
|
|
'''When a search is restricted to objects referenced through a Ref
|
|
field, this method returns information about this reference: the
|
|
source content type and the Ref field (Appy type). If p_refInfo is
|
|
not given, we search it among search criteria in the session.'''
|
|
if not refInfo and (self.REQUEST.get('search', None) == '_advanced'):
|
|
criteria = self.REQUEST.SESSION.get('searchCriteria', None)
|
|
if criteria and criteria.has_key('_ref'): refInfo = criteria['_ref']
|
|
if not refInfo: return (None, None)
|
|
objectUid, fieldName = refInfo.split(':')
|
|
obj = self.getObject(objectUid)
|
|
return obj, fieldName
|
|
|
|
def getSearches(self, contentType):
|
|
'''Returns the list of searches that are defined for p_contentType.
|
|
Every list item is a dict that contains info about a search or about
|
|
a group of searches.'''
|
|
appyClass = self.getAppyClass(contentType)
|
|
res = []
|
|
visitedGroups = {} # Names of already visited search groups
|
|
for search in ClassDescriptor.getSearches(appyClass):
|
|
# Determine first group label, we will need it.
|
|
groupLabel = ''
|
|
if search.group:
|
|
groupLabel = '%s_searchgroup_%s' % (contentType, search.group)
|
|
# Add an item representing the search group if relevant
|
|
if search.group and (search.group not in visitedGroups):
|
|
group = {'name': search.group, 'isGroup': True,
|
|
'labelId': groupLabel, 'searches': [],
|
|
'label': self.translate(groupLabel),
|
|
'descr': self.translate('%s_descr' % groupLabel),
|
|
}
|
|
res.append(group)
|
|
visitedGroups[search.group] = group
|
|
# Add the search itself
|
|
searchLabel = '%s_search_%s' % (contentType, search.name)
|
|
dSearch = {'name': search.name, 'isGroup': False,
|
|
'label': self.translate(searchLabel),
|
|
'descr': self.translate('%s_descr' % searchLabel)}
|
|
if search.group:
|
|
visitedGroups[search.group]['searches'].append(dSearch)
|
|
else:
|
|
res.append(dSearch)
|
|
return res
|
|
|
|
def getQueryUrl(self, contentType, searchName, startNumber=None):
|
|
'''This method creates the URL that allows to perform a (non-Ajax)
|
|
request for getting queried objects from a search named p_searchName
|
|
on p_contentType.'''
|
|
baseUrl = self.absolute_url() + '/ui'
|
|
baseParams = 'className=%s' % contentType
|
|
rq = self.REQUEST
|
|
if rq.get('ref'): baseParams += '&ref=%s' % rq.get('ref')
|
|
# Manage start number
|
|
if startNumber != None:
|
|
baseParams += '&startNumber=%s' % startNumber
|
|
elif rq.has_key('startNumber'):
|
|
baseParams += '&startNumber=%s' % rq['startNumber']
|
|
# Manage search name
|
|
if searchName: baseParams += '&search=%s' % searchName
|
|
return '%s/query?%s' % (baseUrl, baseParams)
|
|
|
|
def computeStartNumberFrom(self, currentNumber, totalNumber, batchSize):
|
|
'''Returns the number (start at 0) of the first element in a list
|
|
containing p_currentNumber (starts at 0) whose total number is
|
|
p_totalNumber and whose batch size is p_batchSize.'''
|
|
startNumber = 0
|
|
res = startNumber
|
|
while (startNumber < totalNumber):
|
|
if (currentNumber < startNumber + batchSize):
|
|
return startNumber
|
|
else:
|
|
startNumber += batchSize
|
|
return startNumber
|
|
|
|
def getNavigationInfo(self):
|
|
'''Extracts navigation information from request/nav and returns a dict
|
|
with the info that a page can use for displaying object
|
|
navigation.'''
|
|
res = {}
|
|
t,d1,d2,currentNumber,totalNumber = self.REQUEST.get('nav').split('.')
|
|
res['currentNumber'] = int(currentNumber)
|
|
res['totalNumber'] = int(totalNumber)
|
|
# Compute the label of the search, or ref field
|
|
if t == 'search':
|
|
searchName = d2
|
|
if not searchName:
|
|
# We search all objects of a given type.
|
|
label = '%s_plural' % d1.split(':')[0]
|
|
elif searchName == '_advanced':
|
|
# This is an advanced, custom search.
|
|
label = 'search_results'
|
|
else:
|
|
# This is a named, predefined search.
|
|
label = '%s_search_%s' % (d1.split(':')[0], searchName)
|
|
res['backText'] = self.translate(label)
|
|
else:
|
|
fieldName, pageName = d2.split(':')
|
|
sourceObj = self.getObject(d1)
|
|
label = '%s_%s' % (sourceObj.meta_type, fieldName)
|
|
res['backText'] = '%s : %s' % (sourceObj.Title(),
|
|
self.translate(label))
|
|
newNav = '%s.%s.%s.%%d.%s' % (t, d1, d2, totalNumber)
|
|
# Among, first, previous, next and last, which one do I need?
|
|
previousNeeded = False # Previous ?
|
|
previousIndex = res['currentNumber'] - 2
|
|
if (previousIndex > -1) and (res['totalNumber'] > previousIndex):
|
|
previousNeeded = True
|
|
nextNeeded = False # Next ?
|
|
nextIndex = res['currentNumber']
|
|
if nextIndex < res['totalNumber']: nextNeeded = True
|
|
firstNeeded = False # First ?
|
|
firstIndex = 0
|
|
if previousIndex > 0: firstNeeded = True
|
|
lastNeeded = False # Last ?
|
|
lastIndex = res['totalNumber'] - 1
|
|
if (nextIndex < lastIndex): lastNeeded = True
|
|
# Get the list of available UIDs surrounding the current object
|
|
if t == 'ref': # Manage navigation from a reference
|
|
# In the case of a reference, we retrieve ALL surrounding objects.
|
|
masterObj = self.getObject(d1)
|
|
batchSize = masterObj.getAppyType(fieldName).maxPerPage
|
|
uids = getattr(masterObj, fieldName)
|
|
# Display the reference widget at the page where the current object
|
|
# lies.
|
|
startNumberKey = '%s%s_startNumber' % (masterObj.UID(), fieldName)
|
|
startNumber = self.computeStartNumberFrom(res['currentNumber']-1,
|
|
res['totalNumber'], batchSize)
|
|
res['sourceUrl'] = masterObj.getUrl(**{startNumberKey:startNumber,
|
|
'page':pageName, 'nav':''})
|
|
else: # Manage navigation from a search
|
|
contentType = d1
|
|
searchName = keySuffix = d2
|
|
batchSize = self.appy().numberOfResultsPerPage
|
|
if not searchName: keySuffix = contentType
|
|
s = self.REQUEST.SESSION
|
|
searchKey = 'search_%s' % keySuffix
|
|
if s.has_key(searchKey): uids = s[searchKey]
|
|
else: uids = {}
|
|
# In the case of a search, we retrieve only a part of all
|
|
# surrounding objects, those that are stored in the session.
|
|
if (previousNeeded and not uids.has_key(previousIndex)) or \
|
|
(nextNeeded and not uids.has_key(nextIndex)):
|
|
# I do not have this UID in session. I will need to
|
|
# retrigger the query by querying all objects surrounding
|
|
# this one.
|
|
newStartNumber = (res['currentNumber']-1) - (batchSize / 2)
|
|
if newStartNumber < 0: newStartNumber = 0
|
|
self.executeQuery(contentType, searchName=searchName,
|
|
startNumber=newStartNumber, remember=True)
|
|
uids = s[searchKey]
|
|
# For the moment, for first and last, we get them only if we have
|
|
# them in session.
|
|
if not uids.has_key(0): firstNeeded = False
|
|
if not uids.has_key(lastIndex): lastNeeded = False
|
|
# Compute URL of source object
|
|
startNumber = self.computeStartNumberFrom(res['currentNumber']-1,
|
|
res['totalNumber'], batchSize)
|
|
res['sourceUrl'] = self.getQueryUrl(contentType, searchName,
|
|
startNumber=startNumber)
|
|
# Compute URLs
|
|
for urlType in ('previous', 'next', 'first', 'last'):
|
|
exec 'needIt = %sNeeded' % urlType
|
|
urlKey = '%sUrl' % urlType
|
|
res[urlKey] = None
|
|
if needIt:
|
|
exec 'index = %sIndex' % urlType
|
|
uid = None
|
|
try:
|
|
uid = uids[index]
|
|
# uids can be a list (ref) or a dict (search)
|
|
except KeyError: pass
|
|
except IndexError: pass
|
|
if uid:
|
|
brain = self.getObject(uid, brain=True)
|
|
if brain:
|
|
sibling = brain.getObject()
|
|
res[urlKey] = sibling.getUrl(nav=newNav % (index + 1),
|
|
page=self.REQUEST.get('page', 'main'))
|
|
return res
|
|
|
|
def tabularize(self, data, numberOfRows):
|
|
'''This method transforms p_data, which must be a "flat" list or tuple,
|
|
into a list of lists, where every sub-list has length p_numberOfRows.
|
|
This method is typically used for rendering elements in a table of
|
|
p_numberOfRows rows.'''
|
|
res = []
|
|
row = []
|
|
for elem in data:
|
|
row.append(elem)
|
|
if len(row) == numberOfRows:
|
|
res.append(row)
|
|
row = []
|
|
# Complete the last unfinished line if required.
|
|
if row:
|
|
while len(row) < numberOfRows: row.append(None)
|
|
res.append(row)
|
|
return res
|
|
|
|
def truncate(self, value, numberOfChars):
|
|
'''Truncates string p_value to p_numberOfChars.'''
|
|
if len(value) > numberOfChars: return value[:numberOfChars] + '...'
|
|
return value
|
|
|
|
# --------------------------------------------------------------------------
|
|
# Authentication-related methods
|
|
# --------------------------------------------------------------------------
|
|
def _updateCookie(self, login, password):
|
|
cookieValue = base64.encodestring('%s:%s' % (login, password)).rstrip()
|
|
cookieValue = urllib.quote(cookieValue)
|
|
self.REQUEST.RESPONSE.setCookie('__ac', cookieValue, path='/')
|
|
|
|
def _encryptPassword(self, password):
|
|
'''Returns the encrypted version of clear p_password.'''
|
|
return self.acl_users._encryptPassword(password)
|
|
|
|
def performLogin(self):
|
|
'''Logs the user in.'''
|
|
rq = self.REQUEST
|
|
jsEnabled = rq.get('js_enabled', False) in ('1', 1)
|
|
cookiesEnabled = rq.get('cookies_enabled', False) in ('1', 1)
|
|
urlBack = rq['HTTP_REFERER']
|
|
|
|
if jsEnabled and not cookiesEnabled:
|
|
msg = 'You must enable cookies before you can log in.' # XXX transl.
|
|
return self.goto(urlBack, msg)
|
|
# Perform the Zope-level authentication
|
|
login = rq.get('__ac_name', '')
|
|
self._updateCookie(login, rq.get('__ac_password', ''))
|
|
user = self.acl_users.validate(rq)
|
|
if self.userIsAnon():
|
|
rq.RESPONSE.expireCookie('__ac', path='/')
|
|
msg = 'Login failed.' # XXX to translate
|
|
logMsg = 'Authentication failed (tried with login "%s").' % login
|
|
else:
|
|
msg = 'Welcome! You are now logged in.' # XXX to translate
|
|
logMsg = 'User "%s" has been logged in.' % login
|
|
self.log(logMsg)
|
|
return self.goto(self.getApp().absolute_url(), msg)
|
|
|
|
def performLogout(self):
|
|
'''Logs out the current user when he clicks on "disconnect".'''
|
|
rq = self.REQUEST
|
|
userId = self.getUser().getId()
|
|
# Perform the logout in acl_users
|
|
rq.RESPONSE.expireCookie('__ac', path='/')
|
|
# Invalidate existing sessions.
|
|
sdm = self.session_data_manager
|
|
session = sdm.getSessionData(create=0)
|
|
if session is not None:
|
|
session.invalidate()
|
|
self.log('User "%s" has been logged out.' % userId)
|
|
# Remove user from variable "loggedUsers"
|
|
from appy.gen.installer import loggedUsers
|
|
if loggedUsers.has_key(userId): del loggedUsers[userId]
|
|
return self.goto(self.getApp().absolute_url())
|
|
|
|
def validate(self, request, auth='', roles=_noroles):
|
|
'''This method performs authentication and authorization. It is used as
|
|
a replacement for Zope's AccessControl.User.BasicUserFolder.validate,
|
|
that allows to manage cookie-based authentication.'''
|
|
v = request['PUBLISHED'] # The published object
|
|
# v is the object (value) we're validating access to
|
|
# n is the name used to access the object
|
|
# a is the object the object was accessed through
|
|
# c is the physical container of the object
|
|
a, c, n, v = self._getobcontext(v, request)
|
|
# Try to get user name and password from basic authentication
|
|
login, password = self.identify(auth)
|
|
if not login:
|
|
# Try to get them from a cookie
|
|
cookie = request.get('__ac', None)
|
|
login = request.get('__ac_name', None)
|
|
if login and request.form.has_key('__ac_password'):
|
|
# The user just entered his credentials. The cookie has not been
|
|
# set yet (it will come in the upcoming HTTP response when the
|
|
# current request will be served).
|
|
login = request.get('__ac_name', '')
|
|
password = request.get('__ac_password', '')
|
|
elif cookie and (cookie != 'deleted'):
|
|
cookieValue = base64.decodestring(urllib.unquote(cookie))
|
|
login, password = cookieValue.split(':')
|
|
# Try to authenticate this user
|
|
user = self.authenticate(login, password, request)
|
|
emergency = self._emergency_user
|
|
if emergency and user is emergency:
|
|
# It is the emergency user.
|
|
return emergency.__of__(self)
|
|
elif user is None:
|
|
# Login and/or password incorrect. Try to authorize and return the
|
|
# anonymous user.
|
|
if self.authorize(self._nobody, a, c, n, v, roles):
|
|
return self._nobody.__of__(self)
|
|
else:
|
|
return # Anonymous can't acces this object
|
|
else:
|
|
# We found a user and his password was correct. Try to authorize him
|
|
# against the published object.
|
|
if self.authorize(user, a, c, n, v, roles):
|
|
return user.__of__(self)
|
|
# That didn't work. Try to authorize the anonymous user.
|
|
elif self.authorize(self._nobody, a, c, n, v, roles):
|
|
return self._nobody.__of__(self)
|
|
else:
|
|
return
|
|
|
|
# Patch BasicUserFolder with our version of m_validate above.
|
|
from AccessControl.User import BasicUserFolder
|
|
BasicUserFolder.validate = validate
|
|
|
|
def tempFile(self):
|
|
'''A temp file has been created in a temp folder. This method returns
|
|
this file to the browser.'''
|
|
rq = self.REQUEST
|
|
baseFolder = os.path.join(getOsTempFolder(), self.getAppName())
|
|
baseFolder = os.path.join(baseFolder, rq.SESSION.id)
|
|
fileName = os.path.join(baseFolder, rq.get('name', ''))
|
|
if os.path.exists(fileName):
|
|
f = file(fileName)
|
|
content = f.read()
|
|
f.close()
|
|
# Remove the temp file
|
|
os.remove(fileName)
|
|
return content
|
|
return 'File does not exist'
|
|
|
|
def getResultPodFields(self, contentType):
|
|
'''Finds, among fields defined on p_contentType, which ones are Pod
|
|
fields that need to be shown on a page displaying query results.'''
|
|
# Skip this if we are searching multiple content types.
|
|
if ',' in contentType: return ()
|
|
return [f.__dict__ for f in self.getAllAppyTypes(contentType) \
|
|
if (f.type == 'Pod') and (f.show == 'result')]
|
|
|
|
def getUserLine(self):
|
|
'''Returns a info about the currently logged user as a 2-tuple: first
|
|
elem is the one-line user info as shown on every page; second line is
|
|
the URL to edit user info.'''
|
|
appyUser = self.appy().appyUser
|
|
res = [appyUser.title, appyUser.login]
|
|
rolesToShow = [r for r in appyUser.roles \
|
|
if r not in ('Authenticated', 'Member')]
|
|
if rolesToShow:
|
|
res.append(', '.join([self.translate('role_%s'%r) \
|
|
for r in rolesToShow]))
|
|
return (' | '.join(res), appyUser.o.getUrl(mode='edit'))
|
|
|
|
def generateUid(self, className):
|
|
'''Generates a UID for an instance of p_className.'''
|
|
name = className.replace('_', '')
|
|
randomNumber = str(random.random()).split('.')[1]
|
|
timestamp = ('%f' % time.time()).replace('.', '')
|
|
return '%s%s%s' % (name, timestamp, randomNumber)
|
|
|
|
def manageError(self, error):
|
|
'''Manages an error.'''
|
|
tb = sys.exc_info()
|
|
from zExceptions.ExceptionFormatter import format_exception
|
|
htmlMessage = format_exception(tb[0], tb[1], tb[2], as_html=1)
|
|
textMessage = format_exception(tb[0], tb[1], tb[2], as_html=0)
|
|
self.log(''.join(textMessage).strip(), type='error')
|
|
return '<table class="main" align="center" cellpadding="0"><tr>' \
|
|
'<td style="padding: 1em 1em 1em 1em">An error occurred. %s' \
|
|
'</td></tr></table>' % '\n'.join(htmlMessage)
|
|
# ------------------------------------------------------------------------------
|