############################################################################## # # Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved. # Jean-Paul Smets-Solanes <jp@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsability of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # garantees and support are strongly adviced to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## from AccessControl import ClassSecurityInfo from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface from Products.ERP5Type.Base import Base from Products.ERP5.Document.Coordinate import Coordinate from cStringIO import StringIO from mimetypes import guess_type from email.MIMEMultipart import MIMEMultipart from email.MIMEText import MIMEText from email.MIMEBase import MIMEBase from email.Header import make_header from email import Encoders no_crawl_protocol_list = ['mailto', 'javascript', ] no_host_protocol_list = ['mailto', 'news', 'javascript',] default_protocol_dict = { 'Email' : 'mailto', } class UrlMixIn: # Declarative security security = ClassSecurityInfo() security.declareObjectProtected(Permissions.AccessContentsInformation) security.declareProtected(Permissions.AccessContentsInformation, 'asURL') def asURL(self): """ Returns a text representation of the Url if defined or None else. """ protocol = self.getUrlProtocol() if not protocol: # A quick fix for all objects which did not # define protocol such as email addresses ptype = self.getPortalType() if default_protocol_dict.has_key(ptype): protocol = default_protocol_dict[ptype] else: protocol = 'http' url_string = self.getUrlString() if not url_string: return None if protocol in no_host_protocol_list or url_string.startswith('//'): return '%s:%s' % (protocol, url_string) return '%s://%s' % (protocol, url_string) security.declareProtected(Permissions.ModifyPortalContent, 'fromText') def fromURL(self, url): """ Analyses a URL and splits it into two parts. URLs normally follow RFC 1738. However, we accept URLs without the protocol a.k.a. scheme part (http, mailto, etc.). In this case only the url_string a.k.a. scheme-specific-part is taken into account. asURL will then generate the full URL. """ if ':' in url: # This is the normal case (protocol specified in the URL) protocol, url_string = url.split(':') if url_string.startswith('//'): url_string = url_string[2:] self._setUrlProtocol(protocol) else: url_string = url self.setUrlString(url_string) class Url(Coordinate, Base, UrlMixIn): """ A Url is allows to represent in a standard way coordinates such as web sites, emails, ftp sites, etc. """ meta_type = 'ERP5 Url' portal_type = 'Url' add_permission = Permissions.AddPortalContent isPortalContent = 1 isRADContent = 1 # Declarative security security = ClassSecurityInfo() security.declareObjectProtected(Permissions.AccessContentsInformation) # Default Properties property_sheets = ( PropertySheet.Base , PropertySheet.SimpleItem , PropertySheet.Url ) security.declareProtected(Permissions.AccessContentsInformation, 'asText') def asText(self): """ Returns a text representation of the url_string a.k.a. scheme-specific-part This method is useful to handled emails, web pages of companies, etc. in the same way as for other coordinates (ex. telephones). Most users just enter www.erp5.com or info@erp5.com rather than http://www.erp5.com or mailto:info@erp5.com """ return self.getUrlString() security.declareProtected(Permissions.ModifyPortalContent, 'fromText') def fromText(self, text): """ Sets url_string a.k.a. scheme-specific-part of a URL """ self.setUrlString(text) security.declareProtected(Permissions.AccessContentsInformation, 'standardTextFormat') def standardTextFormat(self): """ Returns the standard text formats for urls. The purpose of this method is unknown. """ return ("http://www.erp5.org", "mailto:info@erp5.org") security.declareProtected(Permissions.UseMailhostServices, 'send') def send(self, from_url=None, to_url=None, msg=None, subject=None, attachment_list=None): """ This method was previously named 'SendMail' and is used to send email attachment_list is a list of dictionnary wich has keys : - name : name of the attachment, - content: data of the attachment - mime_type: mime-type corresponding to the attachment """ # get the mailhost object try: mailhost=self.getPortalObject().MailHost except: raise AttributeError, "Cannot find a Mail Host object" else: if from_url is None: from_url = self.getUrlString(None) if to_url is None: to_url = self.getUrlString(None) if from_url is None or to_url is None: raise AttributeError, "No mail defined" if attachment_list == None: # Create non multi-part MIME message. message = MIMEText(msg, _charset='utf-8') attachment_list = [] else: # Create multi-part MIME message. message = MIMEMultipart() message.preamble = "If you can read this, your mailreader\n" \ "can not handle multi-part messages!\n" message.attach(MIMEText(msg, _charset='utf-8')) message.add_header('Subject', make_header([(subject, 'utf-8')]).encode()) message.add_header('From', from_url) message.add_header('To', to_url) for attachment in attachment_list: if attachment.has_key('name'): attachment_name = attachment['name'] else: attachment_name = '' # try to guess the mime type if not attachment.has_key('mime_type'): type, encoding = guess_type( attachment_name ) if type != None: attachment['mime_type'] = type else: attachment['mime_type'] = 'application/octet-stream' # attach it if attachment['mime_type'] == 'text/plain': part = MIMEText(attachment['content'], 'utf-8') else: # encode non-plaintext attachment in base64 part = MIMEBase(*attachment['mime_type'].split('/', 1)) part.set_payload(attachment['content']) Encoders.encode_base64(part) part.add_header('Content-Disposition', 'attachment; filename=%s' % attachment_name) message.attach(part) # send mail to user mailhost.send(message.as_string(), to_url, from_url)