diff --git a/roundup/cgi/client.py b/roundup/cgi/client.py
index e338d7a389814ffcd6d6a87a31c2a4b4724b797c..d4499bb334839aef8aa2abe05e2a15eebff01ca7 100644 (file)
--- a/roundup/cgi/client.py
+++ b/roundup/cgi/client.py
-# $Id: client.py,v 1.62 2002-12-11 01:46:46 richard Exp $
+# $Id: client.py,v 1.141 2003-10-04 11:21:47 jlgijsbers Exp $
__doc__ = """
WWW request handler (also used in the stand-alone server).
"""
import os, os.path, cgi, StringIO, urlparse, re, traceback, mimetypes, urllib
-import binascii, Cookie, time, random
+import binascii, Cookie, time, random, MimeWriter, smtplib, socket, quopri
+import stat, rfc822
-from roundup import roundupdb, date, hyperdb, password
+from roundup import roundupdb, date, hyperdb, password, token, rcsv
from roundup.i18n import _
-
from roundup.cgi.templating import Templates, HTMLRequest, NoTemplate
from roundup.cgi import cgitb
-
from roundup.cgi.PageTemplates import PageTemplate
-
-class Unauthorised(ValueError):
- pass
-
-class NotFound(ValueError):
- pass
-
-class Redirect(Exception):
+from roundup.rfc2822 import encode_header
+from roundup.mailgw import uidFromAddress
+from roundup.mailer import Mailer, MessageSendError
+
+class HTTPException(Exception):
+ pass
+class Unauthorised(HTTPException):
+ pass
+class NotFound(HTTPException):
+ pass
+class Redirect(HTTPException):
+ pass
+class NotModified(HTTPException):
+ pass
+
+# used by a couple of routines
+chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
+
+class FormError(ValueError):
+ ''' An "expected" exception occurred during form parsing.
+ - ie. something we know can go wrong, and don't want to alarm the
+ user with
+
+ We trap this at the user interface level and feed back a nice error
+ to the user.
+ '''
pass
class SendFile(Exception):
- ' Sent a file from the database '
+ ''' Send a file from the database '''
class SendStaticFile(Exception):
- ' Send a static file from the instance html directory '
+ ''' Send a static file from the instance html directory '''
def initialiseSecurity(security):
''' Create some Permissions and Roles on the security object
description="User may manipulate user Roles through the web")
security.addPermissionToRole('Admin', p)
+# used to clean messages passed through CGI variables - HTML-escape any tag
+# that isn't <a href="">, <i>, <b> and <br> (including XHTML variants) so
+# that people can't pass through nasties like <script>, <iframe>, ...
+CLEAN_MESSAGE_RE = r'(<(/?(.*?)(\s*href="[^"]")?\s*/?)>)'
+def clean_message(message, mc=re.compile(CLEAN_MESSAGE_RE, re.I)):
+ return mc.sub(clean_message_callback, message)
+def clean_message_callback(match, ok={'a':1,'i':1,'b':1,'br':1}):
+ ''' Strip all non <a>,<i>,<b> and <br> tags from a string
+ '''
+ if ok.has_key(match.group(3).lower()):
+ return match.group(1)
+ return '<%s>'%match.group(2)
+
class Client:
''' Instantiate to handle one CGI request.
Once a user logs in, they are assigned a session. The Client instance
keeps the nodeid of the session as the "session" attribute.
+
+
+ Special form variables:
+ Note that in various places throughout this code, special form
+ variables of the form :<name> are used. The colon (":") part may
+ actually be one of either ":" or "@".
'''
+ #
+ # special form variables
+ #
+ FV_TEMPLATE = re.compile(r'[@:]template')
+ FV_OK_MESSAGE = re.compile(r'[@:]ok_message')
+ FV_ERROR_MESSAGE = re.compile(r'[@:]error_message')
+
+ FV_QUERYNAME = re.compile(r'[@:]queryname')
+
+ # edit form variable handling (see unit tests)
+ FV_LABELS = r'''
+ ^(
+ (?P<note>[@:]note)|
+ (?P<file>[@:]file)|
+ (
+ ((?P<classname>%s)(?P<id>[-\d]+))? # optional leading designator
+ ((?P<required>[@:]required$)| # :required
+ (
+ (
+ (?P<add>[@:]add[@:])| # :add:<prop>
+ (?P<remove>[@:]remove[@:])| # :remove:<prop>
+ (?P<confirm>[@:]confirm[@:])| # :confirm:<prop>
+ (?P<link>[@:]link[@:])| # :link:<prop>
+ ([@:]) # just a separator
+ )?
+ (?P<propname>[^@:]+) # <prop>
+ )
+ )
+ )
+ )$'''
+
+ # Note: index page stuff doesn't appear here:
+ # columns, sort, sortdir, filter, group, groupdir, search_text,
+ # pagesize, startwith
+
def __init__(self, instance, request, env, form=None):
hyperdb.traceMark()
self.instance = instance
self.request = request
self.env = env
+ self.mailer = Mailer(instance.config)
# save off the path
self.path = env['PATH_INFO']
- # this is the base URL for this instance
+ # this is the base URL for this tracker
self.base = self.instance.config.TRACKER_WEB
+ # this is the "cookie path" for this tracker (ie. the path part of
+ # the "base" url)
+ self.cookie_path = urlparse.urlparse(self.base)[2]
+ self.cookie_name = 'roundup_session_' + re.sub('[^a-zA-Z]', '',
+ self.instance.config.TRACKER_NAME)
+
# see if we need to re-parse the environment for the form (eg Zope)
if form is None:
self.form = cgi.FieldStorage(environ=env)
self.additional_headers = {}
self.response_code = 200
+
def main(self):
''' Wrap the real main in a try/finally so we always close off the db.
'''
self.ok_message = []
self.error_message = []
try:
- # make sure we're identified (even anonymously)
- self.determine_user()
# figure out the context and desired content template
+ # do this first so we don't authenticate for static files
+ # Note: this method opens the database as "admin" in order to
+ # perform context checks
self.determine_context()
+
+ # make sure we're identified (even anonymously)
+ self.determine_user()
+
# possibly handle a form submit action (may change self.classname
# and self.template, and may also append error/ok_messages)
self.handle_action()
- # now render the page
+ # now render the page
# we don't want clients caching our dynamic pages
self.additional_headers['Cache-Control'] = 'no-cache'
- self.additional_headers['Pragma'] = 'no-cache'
- self.additional_headers['Expires'] = 'Thu, 1 Jan 1970 00:00:00 GMT'
+# Pragma: no-cache makes Mozilla and its ilk double-load all pages!!
+# self.additional_headers['Pragma'] = 'no-cache'
+
+ # expire this page 5 seconds from now
+ date = rfc822.formatdate(time.time() + 5)
+ self.additional_headers['Expires'] = date
# render the content
self.write(self.renderContext())
except SendFile, designator:
self.serve_file(designator)
except SendStaticFile, file:
- self.serve_static_file(str(file))
+ try:
+ self.serve_static_file(str(file))
+ except NotModified:
+ # send the 304 response
+ self.request.send_response(304)
+ self.request.end_headers()
except Unauthorised, message:
- self.classname=None
- self.template=''
+ self.classname = None
+ self.template = ''
self.error_message.append(message)
self.write(self.renderContext())
except NotFound:
# pass through
raise
+ except FormError, e:
+ self.error_message.append(_('Form Error: ') + str(e))
+ self.write(self.renderContext())
except:
# everything else
self.write(cgitb.html())
+ def clean_sessions(self):
+ ''' Age sessions, remove when they haven't been used for a week.
+
+ Do it only once an hour.
+
+ Note: also cleans One Time Keys, and other "session" based
+ stuff.
+ '''
+ sessions = self.db.sessions
+ last_clean = sessions.get('last_clean', 'last_use') or 0
+
+ week = 60*60*24*7
+ hour = 60*60
+ now = time.time()
+ if now - last_clean > hour:
+ # remove aged sessions
+ for sessid in sessions.list():
+ interval = now - sessions.get(sessid, 'last_use')
+ if interval > week:
+ sessions.destroy(sessid)
+ # remove aged otks
+ otks = self.db.otks
+ for sessid in otks.list():
+ interval = now - otks.get(sessid, '__time')
+ if interval > week:
+ otks.destroy(sessid)
+ sessions.set('last_clean', last_use=time.time())
+
def determine_user(self):
''' Determine who the user is
'''
- # determine the uid to use
+ # open the database as admin
self.opendb('admin')
+ # clean age sessions
+ self.clean_sessions()
+
# make sure we have the session Class
sessions = self.db.sessions
- # age sessions, remove when they haven't been used for a week
- # TODO: this shouldn't be done every access
- week = 60*60*24*7
- now = time.time()
- for sessid in sessions.list():
- interval = now - sessions.get(sessid, 'last_use')
- if interval > week:
- sessions.destroy(sessid)
-
# look up the user session cookie
- cookie = Cookie.Cookie(self.env.get('HTTP_COOKIE', ''))
+ cookie = Cookie.SimpleCookie(self.env.get('HTTP_COOKIE', ''))
user = 'anonymous'
# bump the "revision" of the cookie since the format changed
- if (cookie.has_key('roundup_user_2') and
- cookie['roundup_user_2'].value != 'deleted'):
+ if (cookie.has_key(self.cookie_name) and
+ cookie[self.cookie_name].value != 'deleted'):
# get the session key from the cookie
- self.session = cookie['roundup_user_2'].value
+ self.session = cookie[self.cookie_name].value
# get the user from the session
try:
# update the lifetime datestamp
self.classname = None
self.nodeid = None
+ # see if a template or messages are specified
+ template_override = ok_message = error_message = None
+ for key in self.form.keys():
+ if self.FV_TEMPLATE.match(key):
+ template_override = self.form[key].value
+ elif self.FV_OK_MESSAGE.match(key):
+ ok_message = self.form[key].value
+ ok_message = clean_message(ok_message)
+ elif self.FV_ERROR_MESSAGE.match(key):
+ error_message = self.form[key].value
+ error_message = clean_message(error_message)
+
# determine the classname and possibly nodeid
path = self.path.split('/')
if not path or path[0] in ('', 'home', 'index'):
- if self.form.has_key(':template'):
- self.template = self.form[':template'].value
+ if template_override is not None:
+ self.template = template_override
else:
self.template = ''
return
elif path[0] == '_file':
- raise SendStaticFile, path[1]
+ raise SendStaticFile, os.path.join(*path[1:])
else:
self.classname = path[0]
if len(path) > 1:
# send the file identified by the designator in path[0]
raise SendFile, path[0]
+ # we need the db for further context stuff - open it as admin
+ self.opendb('admin')
+
# see if we got a designator
m = dre.match(self.classname)
if m:
raise NotFound, self.classname
# see if we have a template override
- if self.form.has_key(':template'):
- self.template = self.form[':template'].value
+ if template_override is not None:
+ self.template = template_override
# see if we were passed in a message
- if self.form.has_key(':ok_message'):
- self.ok_message.append(self.form[':ok_message'].value)
- if self.form.has_key(':error_message'):
- self.error_message.append(self.form[':error_message'].value)
+ if ok_message:
+ self.ok_message.append(ok_message)
+ if error_message:
+ self.error_message.append(error_message)
def serve_file(self, designator, dre=re.compile(r'([^\d]+)(\d+)')):
''' Serve the file from the content property of the designated item.
raise NotFound, designator
# we just want to serve up the file named
+ self.opendb('admin')
file = self.db.file
self.additional_headers['Content-Type'] = file.get(nodeid, 'type')
self.write(file.get(nodeid, 'content'))
def serve_static_file(self, file):
+ ims = None
+ # see if there's an if-modified-since...
+ if hasattr(self.request, 'headers'):
+ ims = self.request.headers.getheader('if-modified-since')
+ elif self.env.has_key('HTTP_IF_MODIFIED_SINCE'):
+ # cgi will put the header in the env var
+ ims = self.env['HTTP_IF_MODIFIED_SINCE']
+ filename = os.path.join(self.instance.config.TEMPLATES, file)
+ lmt = os.stat(filename)[stat.ST_MTIME]
+ if ims:
+ ims = rfc822.parsedate(ims)[:6]
+ lmtt = time.gmtime(lmt)[:6]
+ if lmtt <= ims:
+ raise NotModified
+
# we just want to serve up the file named
- mt = mimetypes.guess_type(str(file))[0]
+ file = str(file)
+ mt = mimetypes.guess_type(file)[0]
+ if not mt:
+ if file.endswith('.css'):
+ mt = 'text/css'
+ else:
+ mt = 'text/plain'
self.additional_headers['Content-Type'] = mt
- self.write(open(os.path.join(self.instance.config.TEMPLATES,
- file)).read())
+ self.additional_headers['Last-Modifed'] = rfc822.formatdate(lmt)
+ self.write(open(filename, 'rb').read())
def renderContext(self):
''' Return a PageTemplate for the named page
# these are the actions that are available
actions = (
('edit', 'editItemAction'),
- ('editCSV', 'editCSVAction'),
+ ('editcsv', 'editCSVAction'),
('new', 'newItemAction'),
('register', 'registerAction'),
+ ('confrego', 'confRegoAction'),
+ ('passrst', 'passResetAction'),
('login', 'loginAction'),
('logout', 'logout_action'),
('search', 'searchAction'),
('retire', 'retireAction'),
+ ('show', 'showAction'),
)
def handle_action(self):
- ''' Determine whether there should be an _action called.
+ ''' Determine whether there should be an Action called.
The action is defined by the form variable :action which
- identifies the method on this object to call. The four basic
- actions are defined in the "actions" sequence on this class:
- "edit" -> self.editItemAction
- "new" -> self.newItemAction
- "register" -> self.registerAction
- "login" -> self.loginAction
- "logout" -> self.logout_action
- "search" -> self.searchAction
- "retire" -> self.retireAction
+ identifies the method on this object to call. The actions
+ are defined in the "actions" sequence on this class.
'''
- if not self.form.has_key(':action'):
+ if self.form.has_key(':action'):
+ action = self.form[':action'].value.lower()
+ elif self.form.has_key('@action'):
+ action = self.form['@action'].value.lower()
+ else:
return None
try:
# get the action, validate it
- action = self.form[':action'].value
for name, method in self.actions:
if name == action:
break
else:
raise ValueError, 'No such action "%s"'%action
-
# call the mapped action
getattr(self, method)()
except Redirect:
raise
except Unauthorised:
raise
- except:
- self.db.rollback()
- s = StringIO.StringIO()
- traceback.print_exc(None, s)
- self.error_message.append('<pre>%s</pre>'%cgi.escape(s.getvalue()))
def write(self, content):
if not self.headers_done:
expire = Cookie._getdate(86400*365)
# generate the cookie path - make sure it has a trailing '/'
- path = '/'.join((self.env['SCRIPT_NAME'], self.env['TRACKER_NAME'],
- ''))
self.additional_headers['Set-Cookie'] = \
- 'roundup_user_2=%s; expires=%s; Path=%s;'%(self.session, expire, path)
+ '%s=%s; expires=%s; Path=%s;'%(self.cookie_name, self.session,
+ expire, self.cookie_path)
def make_user_anonymous(self):
''' Make us anonymous
# construct the logout cookie
now = Cookie._getdate()
- path = '/'.join((self.env['SCRIPT_NAME'], self.env['TRACKER_NAME'],
- ''))
self.additional_headers['Set-Cookie'] = \
- 'roundup_user_2=deleted; Max-Age=0; expires=%s; Path=%s;'%(now, path)
+ '%s=deleted; Max-Age=0; expires=%s; Path=%s;'%(self.cookie_name,
+ now, self.cookie_path)
# Let the user know what's going on
self.ok_message.append(_('You are logged out'))
return 1 on successful login
'''
- # create the new user
- cl = self.db.user
-
- # parse the props from the form
- try:
- props = parsePropsFromForm(self.db, cl, self.form, self.nodeid)
- except (ValueError, KeyError), message:
- self.error_message.append(_('Error: ') + str(message))
- return
+ props = self.parsePropsFromForm()[0][('user', None)]
# make sure we're allowed to register
if not self.registerPermission(props):
raise Unauthorised, _("You do not have permission to register")
- # re-open the database as "admin"
- if self.user != 'admin':
- self.opendb('admin')
+ try:
+ self.db.user.lookup(props['username'])
+ self.error_message.append('Error: A user with the username "%s" '
+ 'already exists'%props['username'])
+ return
+ except KeyError:
+ pass
+
+ # generate the one-time-key and store the props for later
+ otk = ''.join([random.choice(chars) for x in range(32)])
+ for propname, proptype in self.db.user.getprops().items():
+ value = props.get(propname, None)
+ if value is None:
+ pass
+ elif isinstance(proptype, hyperdb.Date):
+ props[propname] = str(value)
+ elif isinstance(proptype, hyperdb.Interval):
+ props[propname] = str(value)
+ elif isinstance(proptype, hyperdb.Password):
+ props[propname] = str(value)
+ props['__time'] = time.time()
+ self.db.otks.set(otk, **props)
+
+ # send the email
+ tracker_name = self.db.config.TRACKER_NAME
+ tracker_email = self.db.config.TRACKER_EMAIL
+ subject = 'Complete your registration to %s -- key %s' % (tracker_name,
+ otk)
+ body = """To complete your registration of the user "%(name)s" with
+%(tracker)s, please do one of the following:
+
+- send a reply to %(tracker_email)s and maintain the subject line as is (the
+reply's additional "Re:" is ok),
+
+- or visit the following URL:
+
+ %(url)s?@action=confrego&otk=%(otk)s
+""" % {'name': props['username'], 'tracker': tracker_name, 'url': self.base,
+ 'otk': otk, 'tracker_email': tracker_email}
+ if not self.standard_message([props['address']], subject, body,
+ tracker_email):
+ return
+
+ # commit changes to the database
+ self.db.commit()
+
+ # redirect to the "you're almost there" page
+ raise Redirect, '%suser?@template=rego_progress'%self.base
+
+ def standard_message(self, to, subject, body, author=None):
+ try:
+ self.mailer.standard_message(to, subject, body, author)
+ return 1
+ except MessageSendError, e:
+ self.error_message.append(str(e))
- # create the new user
- cl = self.db.user
+ def registerPermission(self, props):
+ ''' Determine whether the user has permission to register
+
+ Base behaviour is to check the user has "Web Registration".
+ '''
+ # registration isn't allowed to supply roles
+ if props.has_key('roles'):
+ return 0
+ if self.db.security.hasPermission('Web Registration', self.userid):
+ return 1
+ return 0
+
+ def confRegoAction(self):
+ ''' Grab the OTK, use it to load up the new user details
+ '''
try:
- props = parsePropsFromForm(self.db, cl, self.form)
- props['roles'] = self.instance.config.NEW_WEB_USER_ROLES
- self.userid = cl.create(**props)
- self.db.commit()
+ # pull the rego information out of the otk database
+ self.userid = self.db.confirm_registration(self.form['otk'].value)
except (ValueError, KeyError), message:
- self.error_message.append(message)
+ # XXX: we need to make the "default" page be able to display errors!
+ self.error_message.append(str(message))
return
-
+
# log the new user in
- self.user = cl.get(self.userid, 'username')
+ self.user = self.db.user.get(self.userid, 'username')
# re-open the database for real, using the user
self.opendb(self.user)
# nice message
message = _('You are now registered, welcome!')
- # redirect to the item's edit page
- raise Redirect, '%s%s%s?:ok_message=%s'%(
- self.base, self.classname, self.userid, urllib.quote(message))
+ # redirect to the user's page
+ raise Redirect, '%suser%s?@ok_message=%s'%(self.base,
+ self.userid, urllib.quote(message))
- def registerPermission(self, props):
- ''' Determine whether the user has permission to register
+ def passResetAction(self):
+ ''' Handle password reset requests.
- Base behaviour is to check the user has "Web Registration".
+ Presence of either "name" or "address" generate email.
+ Presense of "otk" performs the reset.
'''
- # registration isn't allowed to supply roles
- if props.has_key('roles'):
- return 0
- if self.db.security.hasPermission('Web Registration', self.userid):
- return 1
- return 0
+ if self.form.has_key('otk'):
+ # pull the rego information out of the otk database
+ otk = self.form['otk'].value
+ uid = self.db.otks.get(otk, 'uid')
+ if uid is None:
+ self.error_message.append('Invalid One Time Key!')
+ return
- def editItemAction(self):
- ''' Perform an edit of an item in the database.
+ # re-open the database as "admin"
+ if self.user != 'admin':
+ self.opendb('admin')
- Some special form elements:
+ # change the password
+ newpw = password.generatePassword()
- :link=designator:property
- :multilink=designator:property
- The value specifies a node designator and the property on that
- node to add _this_ node to as a link or multilink.
- :note
- Create a message and attach it to the current node's
- "messages" property.
- :file
- Create a file and attach it to the current node's
- "files" property. Attach the file to the message created from
- the :note if it's supplied.
+ cl = self.db.user
+# XXX we need to make the "default" page be able to display errors!
+ try:
+ # set the password
+ cl.set(uid, password=password.Password(newpw))
+ # clear the props from the otk database
+ self.db.otks.destroy(otk)
+ self.db.commit()
+ except (ValueError, KeyError), message:
+ self.error_message.append(str(message))
+ return
- :required=property,property,...
- The named properties are required to be filled in the form.
+ # user info
+ address = self.db.user.get(uid, 'address')
+ name = self.db.user.get(uid, 'username')
- :remove:<propname>=id(s)
- The ids will be removed from the multilink property.
- :add:<propname>=id(s)
- The ids will be added to the multilink property.
+ # send the email
+ tracker_name = self.db.config.TRACKER_NAME
+ subject = 'Password reset for %s'%tracker_name
+ body = '''
+The password has been reset for username "%(name)s".
- '''
- cl = self.db.classes[self.classname]
+Your password is now: %(password)s
+'''%{'name': name, 'password': newpw}
+ if not self.standard_message([address], subject, body):
+ return
- # parse the props from the form
- try:
- props = parsePropsFromForm(self.db, cl, self.form, self.nodeid)
- except (ValueError, KeyError), message:
- self.error_message.append(_('Error: ') + str(message))
+ self.ok_message.append('Password reset and email sent to %s'%address)
return
- # check permission
- if not self.editItemPermission(props):
- self.error_message.append(
- _('You do not have permission to edit %(classname)s'%
- self.__dict__))
+ # no OTK, so now figure the user
+ if self.form.has_key('username'):
+ name = self.form['username'].value
+ try:
+ uid = self.db.user.lookup(name)
+ except KeyError:
+ self.error_message.append('Unknown username')
+ return
+ address = self.db.user.get(uid, 'address')
+ elif self.form.has_key('address'):
+ address = self.form['address'].value
+ uid = uidFromAddress(self.db, ('', address), create=0)
+ if not uid:
+ self.error_message.append('Unknown email address')
+ return
+ name = self.db.user.get(uid, 'username')
+ else:
+ self.error_message.append('You need to specify a username '
+ 'or address')
return
- # perform the edit
+ # generate the one-time-key and store the props for later
+ otk = ''.join([random.choice(chars) for x in range(32)])
+ self.db.otks.set(otk, uid=uid, __time=time.time())
+
+ # send the email
+ tracker_name = self.db.config.TRACKER_NAME
+ subject = 'Confirm reset of password for %s'%tracker_name
+ body = '''
+Someone, perhaps you, has requested that the password be changed for your
+username, "%(name)s". If you wish to proceed with the change, please follow
+the link below:
+
+ %(url)suser?@template=forgotten&@action=passrst&otk=%(otk)s
+
+You should then receive another email with the new password.
+'''%{'name': name, 'tracker': tracker_name, 'url': self.base, 'otk': otk}
+ if not self.standard_message([address], subject, body):
+ return
+
+ self.ok_message.append('Email sent to %s'%address)
+
+ def editItemAction(self):
+ ''' Perform an edit of an item in the database.
+
+ See parsePropsFromForm and _editnodes for special variables
+ '''
+ props, links = self.parsePropsFromForm()
+
+ # handle the props
try:
- # make changes to the node
- props = self._changenode(props)
- # handle linked nodes
- self._post_editnode(self.nodeid)
+ message = self._editnodes(props, links)
except (ValueError, KeyError, IndexError), message:
- self.error_message.append(_('Error: ') + str(message))
+ self.error_message.append(_('Apply Error: ') + str(message))
return
# commit now that all the tricky stuff is done
self.db.commit()
- # and some nice feedback for the user
- if props:
- message = _('%(changes)s edited ok')%{'changes':
- ', '.join(props.keys())}
- elif self.form.has_key(':note') and self.form[':note'].value:
- message = _('note added')
- elif (self.form.has_key(':file') and self.form[':file'].filename):
- message = _('file added')
- else:
- message = _('nothing changed')
-
# redirect to the item's edit page
- raise Redirect, '%s%s%s?:ok_message=%s'%(self.base, self.classname,
- self.nodeid, urllib.quote(message))
+ raise Redirect, '%s%s%s?@ok_message=%s&@template=%s'%(self.base,
+ self.classname, self.nodeid, urllib.quote(message),
+ urllib.quote(self.template))
+
+ newItemAction = editItemAction
def editItemPermission(self, props):
''' Determine whether the user has permission to edit this item.
return 1
return 0
- def newItemAction(self):
- ''' Add a new item to the database.
-
- This follows the same form as the editItemAction, with the same
- special form values.
- '''
- cl = self.db.classes[self.classname]
-
- # parse the props from the form
- try:
- props = parsePropsFromForm(self.db, cl, self.form, self.nodeid)
- except (ValueError, KeyError), message:
- self.error_message.append(_('Error: ') + str(message))
- return
-
- if not self.newItemPermission(props):
- self.error_message.append(
- _('You do not have permission to create %s' %self.classname))
-
- # create a little extra message for anticipated :link / :multilink
- if self.form.has_key(':multilink'):
- link = self.form[':multilink'].value
- elif self.form.has_key(':link'):
- link = self.form[':multilink'].value
- else:
- link = None
- xtra = ''
- if link:
- designator, linkprop = link.split(':')
- xtra = ' for <a href="%s">%s</a>'%(designator, designator)
-
- try:
- # do the create
- nid = self._createnode(props)
- except (ValueError, KeyError, IndexError), message:
- # these errors might just be indicative of user dumbness
- self.error_message.append(_('Error: ') + str(message))
- return
- except:
- # oops
- self.db.rollback()
- s = StringIO.StringIO()
- traceback.print_exc(None, s)
- self.error_message.append('<pre>%s</pre>'%cgi.escape(s.getvalue()))
- return
-
- try:
- # handle linked nodes
- self._post_editnode(nid)
-
- # commit now that all the tricky stuff is done
- self.db.commit()
-
- # render the newly created item
- self.nodeid = nid
-
- # and some nice feedback for the user
- message = _('%(classname)s created ok')%self.__dict__ + xtra
- except:
- # oops
- self.db.rollback()
- s = StringIO.StringIO()
- traceback.print_exc(None, s)
- self.error_message.append('<pre>%s</pre>'%cgi.escape(s.getvalue()))
- return
-
- # redirect to the new item's page
- raise Redirect, '%s%s%s?:ok_message=%s'%(self.base, self.classname,
- nid, urllib.quote(message))
-
def newItemPermission(self, props):
''' Determine whether the user has permission to create (edit) this
item.
return 1
return 0
+
+ #
+ # Utility methods for editing
+ #
+ def _editnodes(self, all_props, all_links, newids=None):
+ ''' Use the props in all_props to perform edit and creation, then
+ use the link specs in all_links to do linking.
+ '''
+ # figure dependencies and re-work links
+ deps = {}
+ links = {}
+ for cn, nodeid, propname, vlist in all_links:
+ if not all_props.has_key((cn, nodeid)):
+ # link item to link to doesn't (and won't) exist
+ continue
+ for value in vlist:
+ if not all_props.has_key(value):
+ # link item to link to doesn't (and won't) exist
+ continue
+ deps.setdefault((cn, nodeid), []).append(value)
+ links.setdefault(value, []).append((cn, nodeid, propname))
+
+ # figure chained dependencies ordering
+ order = []
+ done = {}
+ # loop detection
+ change = 0
+ while len(all_props) != len(done):
+ for needed in all_props.keys():
+ if done.has_key(needed):
+ continue
+ tlist = deps.get(needed, [])
+ for target in tlist:
+ if not done.has_key(target):
+ break
+ else:
+ done[needed] = 1
+ order.append(needed)
+ change = 1
+ if not change:
+ raise ValueError, 'linking must not loop!'
+
+ # now, edit / create
+ m = []
+ for needed in order:
+ props = all_props[needed]
+ if not props:
+ # nothing to do
+ continue
+ cn, nodeid = needed
+
+ if nodeid is not None and int(nodeid) > 0:
+ # make changes to the node
+ props = self._changenode(cn, nodeid, props)
+
+ # and some nice feedback for the user
+ if props:
+ info = ', '.join(props.keys())
+ m.append('%s %s %s edited ok'%(cn, nodeid, info))
+ else:
+ m.append('%s %s - nothing changed'%(cn, nodeid))
+ else:
+ assert props
+
+ # make a new node
+ newid = self._createnode(cn, props)
+ if nodeid is None:
+ self.nodeid = newid
+ nodeid = newid
+
+ # and some nice feedback for the user
+ m.append('%s %s created'%(cn, newid))
+
+ # fill in new ids in links
+ if links.has_key(needed):
+ for linkcn, linkid, linkprop in links[needed]:
+ props = all_props[(linkcn, linkid)]
+ cl = self.db.classes[linkcn]
+ propdef = cl.getprops()[linkprop]
+ if not props.has_key(linkprop):
+ if linkid is None or linkid.startswith('-'):
+ # linking to a new item
+ if isinstance(propdef, hyperdb.Multilink):
+ props[linkprop] = [newid]
+ else:
+ props[linkprop] = newid
+ else:
+ # linking to an existing item
+ if isinstance(propdef, hyperdb.Multilink):
+ existing = cl.get(linkid, linkprop)[:]
+ existing.append(nodeid)
+ props[linkprop] = existing
+ else:
+ props[linkprop] = newid
+
+ return '<br>'.join(m)
+
+ def _changenode(self, cn, nodeid, props):
+ ''' change the node based on the contents of the form
+ '''
+ # check for permission
+ if not self.editItemPermission(props):
+ raise Unauthorised, 'You do not have permission to edit %s'%cn
+
+ # make the changes
+ cl = self.db.classes[cn]
+ return cl.set(nodeid, **props)
+
+ def _createnode(self, cn, props):
+ ''' create a node based on the contents of the form
+ '''
+ # check for permission
+ if not self.newItemPermission(props):
+ raise Unauthorised, 'You do not have permission to create %s'%cn
+
+ # create the node and return its id
+ cl = self.db.classes[cn]
+ return cl.create(**props)
+
+ #
+ # More actions
+ #
def editCSVAction(self):
''' Performs an edit of all of a class' items in one go.
_('You do not have permission to edit %s' %self.classname))
# get the CSV module
- try:
- import csv
- except ImportError:
- self.error_message.append(_(
- 'Sorry, you need the csv module to use this function.<br>\n'
- 'Get it from: <a href="http://www.object-craft.com.au/projects/csv/">http://www.object-craft.com.au/projects/csv/'))
+ if rcsv.error:
+ self.error_message.append(_(rcsv.error))
return
cl = self.db.classes[self.classname]
props = ['id'] + idlessprops
# do the edit
- rows = self.form['rows'].value.splitlines()
- p = csv.parser()
+ rows = StringIO.StringIO(self.form['rows'].value)
+ reader = rcsv.reader(rows, rcsv.comma_separated)
found = {}
line = 0
- for row in rows[1:]:
+ for values in reader:
line += 1
- values = p.parse(row)
- # not a complete row, keep going
- if not values: continue
-
+ if line == 1: continue
# skip property names header
if values == props:
continue
nodeid, values = values[0], values[1:]
found[nodeid] = 1
+ # see if the node exists
+ if nodeid in ('x', 'X') or not cl.hasnode(nodeid):
+ exists = 0
+ else:
+ exists = 1
+
# confirm correct weight
if len(idlessprops) != len(values):
self.error_message.append(
# extract the new values
d = {}
for name, value in zip(idlessprops, values):
+ prop = cl.properties[name]
value = value.strip()
# only add the property if it has a value
if value:
# if it's a multilink, split it
- if isinstance(cl.properties[name], hyperdb.Multilink):
+ if isinstance(prop, hyperdb.Multilink):
value = value.split(':')
+ elif isinstance(prop, hyperdb.Password):
+ value = password.Password(value)
+ elif isinstance(prop, hyperdb.Interval):
+ value = date.Interval(value)
+ elif isinstance(prop, hyperdb.Date):
+ value = date.Date(value)
+ elif isinstance(prop, hyperdb.Boolean):
+ value = value.lower() in ('yes', 'true', 'on', '1')
+ elif isinstance(prop, hyperdb.Number):
+ value = float(value)
d[name] = value
+ elif exists:
+ # nuke the existing value
+ if isinstance(prop, hyperdb.Multilink):
+ d[name] = []
+ else:
+ d[name] = None
# perform the edit
- if cl.hasnode(nodeid):
+ if exists:
# edit existing
cl.set(nodeid, **d)
else:
return 0
return 1
- def searchAction(self):
+ def searchAction(self, wcre=re.compile(r'[\s,]+')):
''' Mangle some of the form variables.
Set the form ":filter" variable based on the values of the
filter variables - if they're set to anything other than
"dontcare" then add them to :filter.
- Also handle the ":queryname" variable and save off the query to
+ Handle the ":queryname" variable and save off the query to
the user's query list.
+
+ Split any String query values on whitespace and comma.
'''
# generic edit is per-class only
if not self.searchPermission():
# add a faked :filter form variable for each filtering prop
props = self.db.classes[self.classname].getprops()
+ queryname = ''
for key in self.form.keys():
- if not props.has_key(key): continue
- if not self.form[key].value: continue
- self.form.value.append(cgi.MiniFieldStorage(':filter', key))
+ # special vars
+ if self.FV_QUERYNAME.match(key):
+ queryname = self.form[key].value.strip()
+ continue
+
+ if not props.has_key(key):
+ continue
+ if isinstance(self.form[key], type([])):
+ # search for at least one entry which is not empty
+ for minifield in self.form[key]:
+ if minifield.value:
+ break
+ else:
+ continue
+ else:
+ if not self.form[key].value:
+ continue
+ if isinstance(props[key], hyperdb.String):
+ v = self.form[key].value
+ l = token.token_split(v)
+ if len(l) > 1 or l[0] != v:
+ self.form.value.remove(self.form[key])
+ # replace the single value with the split list
+ for v in l:
+ self.form.value.append(cgi.MiniFieldStorage(key, v))
+
+ self.form.value.append(cgi.MiniFieldStorage('@filter', key))
# handle saving the query params
- if self.form.has_key(':queryname'):
- queryname = self.form[':queryname'].value.strip()
- if queryname:
- # parse the environment and figure what the query _is_
- req = HTMLRequest(self)
- url = req.indexargs_href('', {})
-
- # handle editing an existing query
- try:
- qid = self.db.query.lookup(queryname)
- self.db.query.set(qid, klass=self.classname, url=url)
- except KeyError:
- # create a query
- qid = self.db.query.create(name=queryname,
- klass=self.classname, url=url)
+ if queryname:
+ # parse the environment and figure what the query _is_
+ req = HTMLRequest(self)
- # and add it to the user's query multilink
- queries = self.db.user.get(self.userid, 'queries')
- queries.append(qid)
- self.db.user.set(self.userid, queries=queries)
+ # The [1:] strips off the '?' character, it isn't part of the
+ # query string.
+ url = req.indexargs_href('', {})[1:]
- # commit the query change to the database
- self.db.commit()
+ # handle editing an existing query
+ try:
+ qid = self.db.query.lookup(queryname)
+ self.db.query.set(qid, klass=self.classname, url=url)
+ except KeyError:
+ # create a query
+ qid = self.db.query.create(name=queryname,
+ klass=self.classname, url=url)
+
+ # and add it to the user's query multilink
+ queries = self.db.user.get(self.userid, 'queries')
+ queries.append(qid)
+ self.db.user.set(self.userid, queries=queries)
+
+ # commit the query change to the database
+ self.db.commit()
def searchPermission(self):
''' Determine whether the user has permission to search this class.
return 0
return 1
+
def retireAction(self):
''' Retire the context item.
'''
return 1
- #
- # Utility methods for editing
- #
- def _changenode(self, props):
- ''' change the node based on the contents of the form
+ def showAction(self, typere=re.compile('[@:]type'),
+ numre=re.compile('[@:]number')):
+ ''' Show a node of a particular class/id
'''
- cl = self.db.classes[self.classname]
+ t = n = ''
+ for key in self.form.keys():
+ if typere.match(key):
+ t = self.form[key].value.strip()
+ elif numre.match(key):
+ n = self.form[key].value.strip()
+ if not t:
+ raise ValueError, 'Invalid %s number'%t
+ url = '%s%s%s'%(self.db.config.TRACKER_WEB, t, n)
+ raise Redirect, url
+
+ def parsePropsFromForm(self, num_re=re.compile('^\d+$')):
+ ''' Item properties and their values are edited with html FORM
+ variables and their values. You can:
+
+ - Change the value of some property of the current item.
+ - Create a new item of any class, and edit the new item's
+ properties,
+ - Attach newly created items to a multilink property of the
+ current item.
+ - Remove items from a multilink property of the current item.
+ - Specify that some properties are required for the edit
+ operation to be successful.
+
+ In the following, <bracketed> values are variable, "@" may be
+ either ":" or "@", and other text "required" is fixed.
+
+ Most properties are specified as form variables:
+
+ <propname>
+ - property on the current context item
+
+ <designator>"@"<propname>
+ - property on the indicated item (for editing related
+ information)
+
+ Designators name a specific item of a class.
+
+ <classname><N>
- # create the message
- message, files = self._handle_message()
- if message:
- props['messages'] = cl.get(self.nodeid, 'messages') + [message]
- if files:
- props['files'] = cl.get(self.nodeid, 'files') + files
+ Name an existing item of class <classname>.
- # make the changes
- return cl.set(self.nodeid, **props)
+ <classname>"-"<N>
- def _createnode(self, props):
- ''' create a node based on the contents of the form
- '''
- cl = self.db.classes[self.classname]
+ Name the <N>th new item of class <classname>. If the form
+ submission is successful, a new item of <classname> is
+ created. Within the submitted form, a particular
+ designator of this form always refers to the same new
+ item.
+
+ Once we have determined the "propname", we look at it to see
+ if it's special:
+
+ @required
+ The associated form value is a comma-separated list of
+ property names that must be specified when the form is
+ submitted for the edit operation to succeed.
+
+ When the <designator> is missing, the properties are
+ for the current context item. When <designator> is
+ present, they are for the item specified by
+ <designator>.
+
+ The "@required" specifier must come before any of the
+ properties it refers to are assigned in the form.
+
+ @remove@<propname>=id(s) or @add@<propname>=id(s)
+ The "@add@" and "@remove@" edit actions apply only to
+ Multilink properties. The form value must be a
+ comma-separate list of keys for the class specified by
+ the simple form variable. The listed items are added
+ to (respectively, removed from) the specified
+ property.
+
+ @link@<propname>=<designator>
+ If the edit action is "@link@", the simple form
+ variable must specify a Link or Multilink property.
+ The form value is a comma-separated list of
+ designators. The item corresponding to each
+ designator is linked to the property given by simple
+ form variable. These are collected up and returned in
+ all_links.
+
+ None of the above (ie. just a simple form value)
+ The value of the form variable is converted
+ appropriately, depending on the type of the property.
+
+ For a Link('klass') property, the form value is a
+ single key for 'klass', where the key field is
+ specified in dbinit.py.
+
+ For a Multilink('klass') property, the form value is a
+ comma-separated list of keys for 'klass', where the
+ key field is specified in dbinit.py.
+
+ Note that for simple-form-variables specifiying Link
+ and Multilink properties, the linked-to class must
+ have a key field.
+
+ For a String() property specifying a filename, the
+ file named by the form value is uploaded. This means we
+ try to set additional properties "filename" and "type" (if
+ they are valid for the class). Otherwise, the property
+ is set to the form value.
+
+ For Date(), Interval(), Boolean(), and Number()
+ properties, the form value is converted to the
+ appropriate
- # check for messages and files
- message, files = self._handle_message()
- if message:
- props['messages'] = [message]
- if files:
- props['files'] = files
- # create the node and return it's id
- return cl.create(**props)
+ Any of the form variables may be prefixed with a classname or
+ designator.
- def _handle_message(self):
- ''' generate an edit message
- '''
- # handle file attachments
- files = []
- if self.form.has_key(':file'):
- file = self.form[':file']
- if file.filename:
- filename = file.filename.split('\\')[-1]
- mime_type = mimetypes.guess_type(filename)[0]
- if not mime_type:
- mime_type = "application/octet-stream"
- # create the new file entry
- files.append(self.db.file.create(type=mime_type,
- name=filename, content=file.file.read()))
-
- # we don't want to do a message if none of the following is true...
- cn = self.classname
- cl = self.db.classes[self.classname]
- props = cl.getprops()
- note = None
- # in a nutshell, don't do anything if there's no note or there's no
- # NOSY
- if self.form.has_key(':note'):
- # fix the CRLF/CR -> LF stuff
- note = fixNewlines(self.form[':note'].value.strip())
- if not note:
- return None, files
- if not props.has_key('messages'):
- return None, files
- if not isinstance(props['messages'], hyperdb.Multilink):
- return None, files
- if not props['messages'].classname == 'msg':
- return None, files
- if not (self.form.has_key('nosy') or note):
- return None, files
-
- # handle the note
- if '\n' in note:
- summary = re.split(r'\n\r?', note)[0]
- else:
- summary = note
- m = ['%s\n'%note]
+ Two special form values are supported for backwards
+ compatibility:
+
+ @note
+ This is equivalent to::
- # handle the messageid
- # TODO: handle inreplyto
- messageid = "<%s.%s.%s@%s>"%(time.time(), random.random(),
- self.classname, self.instance.config.MAIL_DOMAIN)
+ @link@messages=msg-1
+ @msg-1@content=value
- # now create the message, attaching the files
- content = '\n'.join(m)
- message_id = self.db.msg.create(author=self.userid,
- recipients=[], date=date.Date('.'), summary=summary,
- content=content, files=files, messageid=messageid)
+ except that in addition, the "author" and "date"
+ properties of "msg-1" are set to the userid of the
+ submitter, and the current time, respectively.
- # update the messages property
- return message_id, files
+ @file
+ This is equivalent to::
- def _post_editnode(self, nid):
- '''Do the linking part of the node creation.
+ @link@files=file-1
+ @file-1@content=value
- If a form element has :link or :multilink appended to it, its
- value specifies a node designator and the property on that node
- to add _this_ node to as a link or multilink.
+ The String content value is handled as described above for
+ file uploads.
- This is typically used on, eg. the file upload page to indicated
- which issue to link the file to.
+ If both the "@note" and "@file" form variables are
+ specified, the action::
- TODO: I suspect that this and newfile will go away now that
- there's the ability to upload a file using the issue :file form
- element!
+ @link@msg-1@files=file-1
+
+ is also performed.
+
+ We also check that FileClass items have a "content" property with
+ actual content, otherwise we remove them from all_props before
+ returning.
+
+ The return from this method is a dict of
+ (classname, id): properties
+ ... this dict _always_ has an entry for the current context,
+ even if it's empty (ie. a submission for an existing issue that
+ doesn't result in any changes would return {('issue','123'): {}})
+ The id may be None, which indicates that an item should be
+ created.
'''
- cn = self.classname
- cl = self.db.classes[cn]
- # link if necessary
- keys = self.form.keys()
+ # some very useful variables
+ db = self.db
+ form = self.form
+
+ if not hasattr(self, 'FV_SPECIAL'):
+ # generate the regexp for handling special form values
+ classes = '|'.join(db.classes.keys())
+ # specials for parsePropsFromForm
+ # handle the various forms (see unit tests)
+ self.FV_SPECIAL = re.compile(self.FV_LABELS%classes, re.VERBOSE)
+ self.FV_DESIGNATOR = re.compile(r'(%s)([-\d]+)'%classes)
+
+ # these indicate the default class / item
+ default_cn = self.classname
+ default_cl = self.db.classes[default_cn]
+ default_nodeid = self.nodeid
+
+ # we'll store info about the individual class/item edit in these
+ all_required = {} # required props per class/item
+ all_props = {} # props to set per class/item
+ got_props = {} # props received per class/item
+ all_propdef = {} # note - only one entry per class
+ all_links = [] # as many as are required
+
+ # we should always return something, even empty, for the context
+ all_props[(default_cn, default_nodeid)] = {}
+
+ keys = form.keys()
+ timezone = db.getUserTimezone()
+
+ # sentinels for the :note and :file props
+ have_note = have_file = 0
+
+ # extract the usable form labels from the form
+ matches = []
for key in keys:
- if key == ':multilink':
- value = self.form[key].value
- if type(value) != type([]): value = [value]
- for value in value:
- designator, property = value.split(':')
- link, nodeid = hyperdb.splitDesignator(designator)
- link = self.db.classes[link]
- # take a dupe of the list so we're not changing the cache
- value = link.get(nodeid, property)[:]
- value.append(nid)
- link.set(nodeid, **{property: value})
- elif key == ':link':
- value = self.form[key].value
- if type(value) != type([]): value = [value]
- for value in value:
- designator, property = value.split(':')
- link, nodeid = hyperdb.splitDesignator(designator)
- link = self.db.classes[link]
- link.set(nodeid, **{property: nid})
-
-def fixNewlines(text):
- ''' Homogenise line endings.
+ m = self.FV_SPECIAL.match(key)
+ if m:
+ matches.append((key, m.groupdict()))
+
+ # now handle the matches
+ for key, d in matches:
+ if d['classname']:
+ # we got a designator
+ cn = d['classname']
+ cl = self.db.classes[cn]
+ nodeid = d['id']
+ propname = d['propname']
+ elif d['note']:
+ # the special note field
+ cn = 'msg'
+ cl = self.db.classes[cn]
+ nodeid = '-1'
+ propname = 'content'
+ all_links.append((default_cn, default_nodeid, 'messages',
+ [('msg', '-1')]))
+ have_note = 1
+ elif d['file']:
+ # the special file field
+ cn = 'file'
+ cl = self.db.classes[cn]
+ nodeid = '-1'
+ propname = 'content'
+ all_links.append((default_cn, default_nodeid, 'files',
+ [('file', '-1')]))
+ have_file = 1
+ else:
+ # default
+ cn = default_cn
+ cl = default_cl
+ nodeid = default_nodeid
+ propname = d['propname']
+
+ # the thing this value relates to is...
+ this = (cn, nodeid)
+
+ # get more info about the class, and the current set of
+ # form props for it
+ if not all_propdef.has_key(cn):
+ all_propdef[cn] = cl.getprops()
+ propdef = all_propdef[cn]
+ if not all_props.has_key(this):
+ all_props[this] = {}
+ props = all_props[this]
+ if not got_props.has_key(this):
+ got_props[this] = {}
+
+ # is this a link command?
+ if d['link']:
+ value = []
+ for entry in extractFormList(form[key]):
+ m = self.FV_DESIGNATOR.match(entry)
+ if not m:
+ raise FormError, \
+ 'link "%s" value "%s" not a designator'%(key, entry)
+ value.append((m.group(1), m.group(2)))
+
+ # make sure the link property is valid
+ if (not isinstance(propdef[propname], hyperdb.Multilink) and
+ not isinstance(propdef[propname], hyperdb.Link)):
+ raise FormError, '%s %s is not a link or '\
+ 'multilink property'%(cn, propname)
+
+ all_links.append((cn, nodeid, propname, value))
+ continue
- Different web clients send different line ending values, but
- other systems (eg. email) don't necessarily handle those line
- endings. Our solution is to convert all line endings to LF.
- '''
- text = text.replace('\r\n', '\n')
- return text.replace('\r', '\n')
+ # detect the special ":required" variable
+ if d['required']:
+ all_required[this] = extractFormList(form[key])
+ continue
-def parsePropsFromForm(db, cl, form, nodeid=0, num_re=re.compile('^\d+$')):
- ''' Pull properties for the given class out of the form.
+ # see if we're performing a special multilink action
+ mlaction = 'set'
+ if d['remove']:
+ mlaction = 'remove'
+ elif d['add']:
+ mlaction = 'add'
+
+ # does the property exist?
+ if not propdef.has_key(propname):
+ if mlaction != 'set':
+ raise FormError, 'You have submitted a %s action for'\
+ ' the property "%s" which doesn\'t exist'%(mlaction,
+ propname)
+ # the form element is probably just something we don't care
+ # about - ignore it
+ continue
+ proptype = propdef[propname]
- If a ":required" parameter is supplied, then the names property values
- must be supplied or a ValueError will be raised.
+ # Get the form value. This value may be a MiniFieldStorage or a list
+ # of MiniFieldStorages.
+ value = form[key]
- Other special form values:
- :remove:<propname>=id(s)
- The ids will be removed from the multilink property.
- :add:<propname>=id(s)
- The ids will be added to the multilink property.
- '''
- required = []
- if form.has_key(':required'):
- value = form[':required']
- if isinstance(value, type([])):
- required = [i.value.strip() for i in value]
- else:
- required = [i.strip() for i in value.value.split(',')]
-
- props = {}
- keys = form.keys()
- properties = cl.getprops()
- existing_cache = {}
- for key in keys:
- # see if we're performing a special multilink action
- mlaction = 'set'
- if key.startswith(':remove:'):
- propname = key[8:]
- mlaction = 'remove'
- elif key.startswith(':add:'):
- propname = key[5:]
- mlaction = 'add'
- else:
- propname = key
-
-
- # does the property exist?
- if not properties.has_key(propname):
- if mlaction != 'set':
- raise ValueError, 'You have submitted a remove action for'\
- ' the property "%s" which doesn\'t exist'%propname
- continue
- proptype = properties[propname]
-
- # Get the form value. This value may be a MiniFieldStorage or a list
- # of MiniFieldStorages.
- value = form[key]
-
- # make sure non-multilinks only get one value
- if not isinstance(proptype, hyperdb.Multilink):
- if isinstance(value, type([])):
- raise ValueError, 'You have submitted more than one value'\
- ' for the %s property'%propname
- # we've got a MiniFieldStorage, so pull out the value and strip
- # surrounding whitespace
- value = value.value.strip()
-
- if isinstance(proptype, hyperdb.String):
- if not value:
- continue
- # fix the CRLF/CR -> LF stuff
- value = fixNewlines(value)
- elif isinstance(proptype, hyperdb.Password):
- if not value:
- # ignore empty password values
- continue
- if not form.has_key('%s:confirm'%propname):
- raise ValueError, 'Password and confirmation text do not match'
- confirm = form['%s:confirm'%propname]
- if isinstance(confirm, type([])):
- raise ValueError, 'You have submitted more than one value'\
- ' for the %s property'%propname
- if value != confirm.value:
- raise ValueError, 'Password and confirmation text do not match'
- value = password.Password(value)
- elif isinstance(proptype, hyperdb.Date):
- if value:
- value = date.Date(value)
+ # handle unpacking of the MiniFieldStorage / list form value
+ if isinstance(proptype, hyperdb.Multilink):
+ value = extractFormList(value)
else:
- value = None
- elif isinstance(proptype, hyperdb.Interval):
- if value:
- value = date.Interval(value)
- else:
- value = None
- elif isinstance(proptype, hyperdb.Link):
- # see if it's the "no selection" choice
- if value == '-1':
+ # multiple values are not OK
+ if isinstance(value, type([])):
+ raise FormError, 'You have submitted more than one value'\
+ ' for the %s property'%propname
+ # value might be a file upload...
+ if not hasattr(value, 'filename') or value.filename is None:
+ # nope, pull out the value and strip it
+ value = value.value.strip()
+
+ # now that we have the props field, we need a teensy little
+ # extra bit of help for the old :note field...
+ if d['note'] and value:
+ props['author'] = self.db.getuid()
+ props['date'] = date.Date()
+
+ # handle by type now
+ if isinstance(proptype, hyperdb.Password):
+ if not value:
+ # ignore empty password values
+ continue
+ for key, d in matches:
+ if d['confirm'] and d['propname'] == propname:
+ confirm = form[key]
+ break
+ else:
+ raise FormError, 'Password and confirmation text do '\
+ 'not match'
+ if isinstance(confirm, type([])):
+ raise FormError, 'You have submitted more than one value'\
+ ' for the %s property'%propname
+ if value != confirm.value:
+ raise FormError, 'Password and confirmation text do '\
+ 'not match'
+ value = password.Password(value)
+
+ elif isinstance(proptype, hyperdb.Link):
+ # see if it's the "no selection" choice
+ if value == '-1' or not value:
+ # if we're creating, just don't include this property
+ if not nodeid or nodeid.startswith('-'):
+ continue
+ value = None
+ else:
+ # handle key values
+ link = proptype.classname
+ if not num_re.match(value):
+ try:
+ value = db.classes[link].lookup(value)
+ except KeyError:
+ raise FormError, _('property "%(propname)s": '
+ '%(value)s not a %(classname)s')%{
+ 'propname': propname, 'value': value,
+ 'classname': link}
+ except TypeError, message:
+ raise FormError, _('you may only enter ID values '
+ 'for property "%(propname)s": %(message)s')%{
+ 'propname': propname, 'message': message}
+ elif isinstance(proptype, hyperdb.Multilink):
+ # perform link class key value lookup if necessary
+ link = proptype.classname
+ link_cl = db.classes[link]
+ l = []
+ for entry in value:
+ if not entry: continue
+ if not num_re.match(entry):
+ try:
+ entry = link_cl.lookup(entry)
+ except KeyError:
+ raise FormError, _('property "%(propname)s": '
+ '"%(value)s" not an entry of %(classname)s')%{
+ 'propname': propname, 'value': entry,
+ 'classname': link}
+ except TypeError, message:
+ raise FormError, _('you may only enter ID values '
+ 'for property "%(propname)s": %(message)s')%{
+ 'propname': propname, 'message': message}
+ l.append(entry)
+ l.sort()
+
+ # now use that list of ids to modify the multilink
+ if mlaction == 'set':
+ value = l
+ else:
+ # we're modifying the list - get the current list of ids
+ if props.has_key(propname):
+ existing = props[propname]
+ elif nodeid and not nodeid.startswith('-'):
+ existing = cl.get(nodeid, propname, [])
+ else:
+ existing = []
+
+ # now either remove or add
+ if mlaction == 'remove':
+ # remove - handle situation where the id isn't in
+ # the list
+ for entry in l:
+ try:
+ existing.remove(entry)
+ except ValueError:
+ raise FormError, _('property "%(propname)s": '
+ '"%(value)s" not currently in list')%{
+ 'propname': propname, 'value': entry}
+ else:
+ # add - easy, just don't dupe
+ for entry in l:
+ if entry not in existing:
+ existing.append(entry)
+ value = existing
+ value.sort()
+
+ elif value == '':
# if we're creating, just don't include this property
- if not nodeid:
+ if not nodeid or nodeid.startswith('-'):
continue
+ # other types should be None'd if there's no value
value = None
else:
- # handle key values
- link = proptype.classname
- if not num_re.match(value):
- try:
- value = db.classes[link].lookup(value)
- except KeyError:
- raise ValueError, _('property "%(propname)s": '
- '%(value)s not a %(classname)s')%{
- 'propname': propname, 'value': value,
- 'classname': link}
- except TypeError, message:
- raise ValueError, _('you may only enter ID values '
- 'for property "%(propname)s": %(message)s')%{
- 'propname': propname, 'message': message}
- elif isinstance(proptype, hyperdb.Multilink):
- if isinstance(value, type([])):
- # it's a list of MiniFieldStorages
- value = [i.value.strip() for i in value]
- else:
- # it's a MiniFieldStorage, but may be a comma-separated list
- # of values
- value = [i.strip() for i in value.value.split(',')]
- link = proptype.classname
- l = []
- for entry in map(str, value):
- if entry == '': continue
- if not num_re.match(entry):
- try:
- entry = db.classes[link].lookup(entry)
- except KeyError:
- raise ValueError, _('property "%(propname)s": '
- '"%(value)s" not an entry of %(classname)s')%{
- 'propname': propname, 'value': entry,
- 'classname': link}
- except TypeError, message:
- raise ValueError, _('you may only enter ID values '
- 'for property "%(propname)s": %(message)s')%{
- 'propname': propname, 'message': message}
- l.append(entry)
- l.sort()
-
- # now use that list of ids to modify the multilink
- if mlaction == 'set':
- value = l
- else:
- # we're modifying the list - get the current list of ids
- if props.has_key(propname):
- existing = props[propname]
- else:
- existing = cl.get(nodeid, propname, [])
+ # handle ValueErrors for all these in a similar fashion
+ try:
+ if isinstance(proptype, hyperdb.String):
+ if (hasattr(value, 'filename') and
+ value.filename is not None):
+ # skip if the upload is empty
+ if not value.filename:
+ continue
+ # this String is actually a _file_
+ # try to determine the file content-type
+ fn = value.filename.split('\\')[-1]
+ if propdef.has_key('name'):
+ props['name'] = fn
+ # use this info as the type/filename properties
+ if propdef.has_key('type'):
+ props['type'] = mimetypes.guess_type(fn)[0]
+ if not props['type']:
+ props['type'] = "application/octet-stream"
+ # finally, read the content
+ value = value.value
+ else:
+ # normal String fix the CRLF/CR -> LF stuff
+ value = fixNewlines(value)
+
+ elif isinstance(proptype, hyperdb.Date):
+ value = date.Date(value, offset=timezone)
+ elif isinstance(proptype, hyperdb.Interval):
+ value = date.Interval(value)
+ elif isinstance(proptype, hyperdb.Boolean):
+ value = value.lower() in ('yes', 'true', 'on', '1')
+ elif isinstance(proptype, hyperdb.Number):
+ value = float(value)
+ except ValueError, msg:
+ raise FormError, _('Error with %s property: %s')%(
+ propname, msg)
+
+ # register that we got this property
+ if value:
+ got_props[this][propname] = 1
- # now either remove or add
- if mlaction == 'remove':
- # remove - handle situation where the id isn't in the list
- for entry in l:
- try:
- existing.remove(entry)
- except ValueError:
- raise ValueError, _('property "%(propname)s": '
- '"%(value)s" not currently in list')%{
- 'propname': propname, 'value': entry}
- else:
- # add - easy, just don't dupe
- for entry in l:
- if entry not in existing:
- existing.append(entry)
- value = existing
- value.sort()
-
- elif isinstance(proptype, hyperdb.Boolean):
- value = value.lower() in ('yes', 'true', 'on', '1')
- elif isinstance(proptype, hyperdb.Number):
- value = int(value)
-
- # register this as received if required?
- if propname in required and value is not None:
- required.remove(propname)
-
- # get the old value
- if nodeid:
- try:
- existing = cl.get(nodeid, propname)
- except KeyError:
- # this might be a new property for which there is no existing
- # value
- if not properties.has_key(propname):
- raise
+ # get the old value
+ if nodeid and not nodeid.startswith('-'):
+ try:
+ existing = cl.get(nodeid, propname)
+ except KeyError:
+ # this might be a new property for which there is
+ # no existing value
+ if not propdef.has_key(propname):
+ raise
+ except IndexError, message:
+ raise FormError(str(message))
+
+ # make sure the existing multilink is sorted
+ if isinstance(proptype, hyperdb.Multilink):
+ existing.sort()
+
+ # "missing" existing values may not be None
+ if not existing:
+ if isinstance(proptype, hyperdb.String) and not existing:
+ # some backends store "missing" Strings as empty strings
+ existing = None
+ elif isinstance(proptype, hyperdb.Number) and not existing:
+ # some backends store "missing" Numbers as 0 :(
+ existing = 0
+ elif isinstance(proptype, hyperdb.Boolean) and not existing:
+ # likewise Booleans
+ existing = 0
+
+ # if changed, set it
+ if value != existing:
+ props[propname] = value
+ else:
+ # don't bother setting empty/unset values
+ if value is None:
+ continue
+ elif isinstance(proptype, hyperdb.Multilink) and value == []:
+ continue
+ elif isinstance(proptype, hyperdb.String) and value == '':
+ continue
- # if changed, set it
- if value != existing:
props[propname] = value
- else:
- props[propname] = value
- # see if all the required properties have been supplied
- if required:
- if len(required) > 1:
- p = 'properties'
- else:
- p = 'property'
- raise ValueError, 'Required %s %s not supplied'%(p, ', '.join(required))
+ # check to see if we need to specially link a file to the note
+ if have_note and have_file:
+ all_links.append(('msg', '-1', 'files', [('file', '-1')]))
+
+ # see if all the required properties have been supplied
+ s = []
+ for thing, required in all_required.items():
+ # register the values we got
+ got = got_props.get(thing, {})
+ for entry in required[:]:
+ if got.has_key(entry):
+ required.remove(entry)
+
+ # any required values not present?
+ if not required:
+ continue
- return props
+ # tell the user to entry the values required
+ if len(required) > 1:
+ p = 'properties'
+ else:
+ p = 'property'
+ s.append('Required %s %s %s not supplied'%(thing[0], p,
+ ', '.join(required)))
+ if s:
+ raise FormError, '\n'.join(s)
+
+ # When creating a FileClass node, it should have a non-empty content
+ # property to be created. When editing a FileClass node, it should
+ # either have a non-empty content property or no property at all. In
+ # the latter case, nothing will change.
+ for (cn, id), props in all_props.items():
+ if isinstance(self.db.classes[cn], hyperdb.FileClass):
+ if id == '-1':
+ if not props.get('content', ''):
+ del all_props[(cn, id)]
+ elif props.has_key('content') and not props['content']:
+ raise FormError, _('File is empty')
+ return all_props, all_links
+def fixNewlines(text):
+ ''' Homogenise line endings.
+
+ Different web clients send different line ending values, but
+ other systems (eg. email) don't necessarily handle those line
+ endings. Our solution is to convert all line endings to LF.
+ '''
+ text = text.replace('\r\n', '\n')
+ return text.replace('\r', '\n')
+
+def extractFormList(value):
+ ''' Extract a list of values from the form value.
+
+ It may be one of:
+ [MiniFieldStorage('value'), MiniFieldStorage('value','value',...), ...]
+ MiniFieldStorage('value,value,...')
+ MiniFieldStorage('value')
+ '''
+ # multiple values are OK
+ if isinstance(value, type([])):
+ # it's a list of MiniFieldStorages - join then into
+ values = ','.join([i.value.strip() for i in value])
+ else:
+ # it's a MiniFieldStorage, but may be a comma-separated list
+ # of values
+ values = value.value
+
+ value = [i.strip() for i in values.split(',')]
+
+ # filter out the empty bits
+ return filter(None, value)