# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. import hashlib import hmac import logging import lxml import random import re import threading from ast import literal_eval from base64 import b64encode from odoo import api, fields, models, tools, _, SUPERUSER_ID from odoo.exceptions import UserError from odoo.osv import expression from odoo.tools.safe_eval import safe_eval _logger = logging.getLogger(__name__) MASS_MAILING_BUSINESS_MODELS = [ 'crm.lead', 'event.registration', 'hr.applicant', 'res.partner', 'event.track', 'sale.order', 'mailing.list', 'mailing.contact' ] # Syntax of the data URL Scheme: https://tools.ietf.org/html/rfc2397#section-3 # Used to find inline images image_re = re.compile(r"data:(image/[A-Za-z]+);base64,(.*)") class MassMailing(models.Model): """ MassMailing models a wave of emails for a mass mailign campaign. A mass mailing is an occurence of sending emails. """ _name = 'mailing.mailing' _description = 'Mass Mailing' # number of periods for tracking mail_mail statistics _period_number = 6 _order = 'sent_date DESC' _inherits = {'utm.source': 'source_id'} _rec_name = "source_id" @api.model def _get_default_mail_server_id(self): server_id = self.env['ir.config_parameter'].sudo().get_param('mass_mailing.mail_server_id') try: server_id = literal_eval(server_id) if server_id else False return self.env['ir.mail_server'].search([('id', '=', server_id)]).id except ValueError: return False @api.model def default_get(self, fields): res = super(MassMailing, self).default_get(fields) if 'reply_to_mode' in fields and not 'reply_to_mode' in res and res.get('mailing_model_real'): if res['mailing_model_real'] in ['res.partner', 'mailing.contact']: res['reply_to_mode'] = 'email' else: res['reply_to_mode'] = 'thread' return res active = fields.Boolean(default=True) subject = fields.Char('Subject', help='Subject of emails to send', required=True, translate=True) email_from = fields.Char(string='From', required=True, default=lambda self: self.env['mail.message']._get_default_from()) sent_date = fields.Datetime(string='Sent Date', copy=False) schedule_date = fields.Datetime(string='Schedule in the Future') # don't translate 'body_arch', the translations are only on 'body_html' body_arch = fields.Html(string='Body', translate=False) body_html = fields.Html(string='Body converted to be send by mail', sanitize_attributes=False) attachment_ids = fields.Many2many('ir.attachment', 'mass_mailing_ir_attachments_rel', 'mass_mailing_id', 'attachment_id', string='Attachments') keep_archives = fields.Boolean(string='Keep Archives') campaign_id = fields.Many2one('utm.campaign', string='UTM Campaign') source_id = fields.Many2one('utm.source', string='Source', required=True, ondelete='cascade', help="This is the link source, e.g. Search Engine, another domain, or name of email list") medium_id = fields.Many2one('utm.medium', string='Medium', help="Delivery method: Email") clicks_ratio = fields.Integer(compute="_compute_clicks_ratio", string="Number of Clicks") state = fields.Selection([('draft', 'Draft'), ('in_queue', 'In Queue'), ('sending', 'Sending'), ('done', 'Sent')], string='Status', required=True, copy=False, default='draft', group_expand='_group_expand_states') color = fields.Integer(string='Color Index') user_id = fields.Many2one('res.users', string='Responsible', default=lambda self: self.env.user) # mailing options reply_to_mode = fields.Selection( [('thread', 'Recipient Followers'), ('email', 'Specified Email Address')], string='Reply-To Mode', required=True) reply_to = fields.Char(string='Reply To', help='Preferred Reply-To Address', default=lambda self: self.env['mail.message']._get_default_from()) # recipients mailing_model_real = fields.Char(compute='_compute_model', string='Recipients Real Model', default='mailing.contact', required=True) mailing_model_id = fields.Many2one('ir.model', string='Recipients Model', domain=[('model', 'in', MASS_MAILING_BUSINESS_MODELS)], default=lambda self: self.env.ref('mass_mailing.model_mailing_list').id) mailing_model_name = fields.Char(related='mailing_model_id.model', string='Recipients Model Name', readonly=True, related_sudo=True) mailing_domain = fields.Char(string='Domain', default=[]) mail_server_id = fields.Many2one('ir.mail_server', string='Mail Server', default=_get_default_mail_server_id, help="Use a specific mail server in priority. Otherwise Odoo relies on the first outgoing mail server available (based on their sequencing) as it does for normal mails.") contact_list_ids = fields.Many2many('mailing.list', 'mail_mass_mailing_list_rel', string='Mailing Lists') contact_ab_pc = fields.Integer(string='A/B Testing percentage', help='Percentage of the contacts that will be mailed. Recipients will be taken randomly.', default=100) unique_ab_testing = fields.Boolean(string='Allow A/B Testing', default=False, help='If checked, recipients will be mailed only once for the whole campaign. ' 'This lets you send different mailings to randomly selected recipients and test ' 'the effectiveness of the mailings, without causing duplicate messages.') # statistics data mailing_trace_ids = fields.One2many('mailing.trace', 'mass_mailing_id', string='Emails Statistics') total = fields.Integer(compute="_compute_total") scheduled = fields.Integer(compute="_compute_statistics") expected = fields.Integer(compute="_compute_statistics") ignored = fields.Integer(compute="_compute_statistics") sent = fields.Integer(compute="_compute_statistics") delivered = fields.Integer(compute="_compute_statistics") opened = fields.Integer(compute="_compute_statistics") clicked = fields.Integer(compute="_compute_statistics") replied = fields.Integer(compute="_compute_statistics") bounced = fields.Integer(compute="_compute_statistics") failed = fields.Integer(compute="_compute_statistics") received_ratio = fields.Integer(compute="_compute_statistics", string='Received Ratio') opened_ratio = fields.Integer(compute="_compute_statistics", string='Opened Ratio') replied_ratio = fields.Integer(compute="_compute_statistics", string='Replied Ratio') bounced_ratio = fields.Integer(compute="_compute_statistics", string='Bounced Ratio') next_departure = fields.Datetime(compute="_compute_next_departure", string='Scheduled date') def _compute_total(self): for mass_mailing in self: mass_mailing.total = len(mass_mailing.sudo()._get_recipients()) def _compute_clicks_ratio(self): self.env.cr.execute(""" SELECT COUNT(DISTINCT(stats.id)) AS nb_mails, COUNT(DISTINCT(clicks.mailing_trace_id)) AS nb_clicks, stats.mass_mailing_id AS id FROM mailing_trace AS stats LEFT OUTER JOIN link_tracker_click AS clicks ON clicks.mailing_trace_id = stats.id WHERE stats.mass_mailing_id IN %s GROUP BY stats.mass_mailing_id """, (tuple(self.ids), )) mass_mailing_data = self.env.cr.dictfetchall() mapped_data = dict([(m['id'], 100 * m['nb_clicks'] / m['nb_mails']) for m in mass_mailing_data]) for mass_mailing in self: mass_mailing.clicks_ratio = mapped_data.get(mass_mailing.id, 0) @api.depends('mailing_model_id') def _compute_model(self): for record in self: record.mailing_model_real = (record.mailing_model_name != 'mailing.list') and record.mailing_model_name or 'mailing.contact' def _compute_statistics(self): """ Compute statistics of the mass mailing """ self.env.cr.execute(""" SELECT m.id as mailing_id, COUNT(s.id) AS expected, COUNT(CASE WHEN s.sent is not null THEN 1 ELSE null END) AS sent, COUNT(CASE WHEN s.scheduled is not null AND s.sent is null AND s.exception is null AND s.ignored is null THEN 1 ELSE null END) AS scheduled, COUNT(CASE WHEN s.scheduled is not null AND s.sent is null AND s.exception is not null THEN 1 ELSE null END) AS failed, COUNT(CASE WHEN s.scheduled is not null AND s.sent is null AND s.exception is null AND s.ignored is not null THEN 1 ELSE null END) AS ignored, COUNT(CASE WHEN s.sent is not null AND s.bounced is null THEN 1 ELSE null END) AS delivered, COUNT(CASE WHEN s.opened is not null THEN 1 ELSE null END) AS opened, COUNT(CASE WHEN s.clicked is not null THEN 1 ELSE null END) AS clicked, COUNT(CASE WHEN s.replied is not null THEN 1 ELSE null END) AS replied, COUNT(CASE WHEN s.bounced is not null THEN 1 ELSE null END) AS bounced, COUNT(CASE WHEN s.exception is not null THEN 1 ELSE null END) AS failed FROM mailing_trace s RIGHT JOIN mailing_mailing m ON (m.id = s.mass_mailing_id) WHERE m.id IN %s GROUP BY m.id """, (tuple(self.ids), )) for row in self.env.cr.dictfetchall(): total = row['expected'] = (row['expected'] - row['ignored']) or 1 row['received_ratio'] = 100.0 * row['delivered'] / total row['opened_ratio'] = 100.0 * row['opened'] / total row['clicks_ratio'] = 100.0 * row['clicked'] / total row['replied_ratio'] = 100.0 * row['replied'] / total row['bounced_ratio'] = 100.0 * row['bounced'] / total self.browse(row.pop('mailing_id')).update(row) def _compute_next_departure(self): cron_next_call = self.env.ref('mass_mailing.ir_cron_mass_mailing_queue').sudo().nextcall str2dt = fields.Datetime.from_string cron_time = str2dt(cron_next_call) for mass_mailing in self: if mass_mailing.schedule_date: schedule_date = str2dt(mass_mailing.schedule_date) mass_mailing.next_departure = max(schedule_date, cron_time) else: mass_mailing.next_departure = cron_time @api.onchange('mailing_model_name', 'contact_list_ids') def _onchange_model_and_list(self): mailing_domain = literal_eval(self.mailing_domain) if self.mailing_domain else [] if self.mailing_model_name: if mailing_domain: try: self.env[self.mailing_model_real].search(mailing_domain, limit=1) except: mailing_domain = [] if not mailing_domain: if self.mailing_model_name == 'mailing.list': if self.contact_list_ids: mailing_domain = [('list_ids', 'in', self.contact_list_ids.ids)] else: mailing_domain = [(0, '=', 1)] elif self.mailing_model_name == 'res.partner': mailing_domain = [('customer', '=', True)] elif 'opt_out' in self.env[self.mailing_model_name]._fields and not self.mailing_domain: mailing_domain = [('opt_out', '=', False)] else: mailing_domain = [(0, '=', 1)] self.mailing_domain = repr(mailing_domain) @api.onchange('subject') def _onchange_subject(self): if self.subject and not self.name: self.name = self.subject # ------------------------------------------------------ # ORM # ------------------------------------------------------ @api.model def create(self, values): if values.get('name') and not values.get('subject'): values['subject'] = values['name'] if values.get('body_html'): values['body_html'] = self._convert_inline_images_to_urls(values['body_html']) if 'medium_id' not in values: values['medium_id'] = self.env.ref('utm.utm_medium_email').id return super(MassMailing, self).create(values) def write(self, values): if values.get('body_html'): values['body_html'] = self._convert_inline_images_to_urls(values['body_html']) return super(MassMailing, self).write(values) @api.returns('self', lambda value: value.id) def copy(self, default=None): self.ensure_one() default = dict(default or {}, name=_('%s (copy)') % self.name) return super(MassMailing, self).copy(default=default) def _group_expand_states(self, states, domain, order): return [key for key, val in type(self).state.selection] # ------------------------------------------------------ # ACTIONS # ------------------------------------------------------ def action_duplicate(self): self.ensure_one() mass_mailing_copy = self.copy() if mass_mailing_copy: context = dict(self.env.context) context['form_view_initial_mode'] = 'edit' return { 'type': 'ir.actions.act_window', 'view_mode': 'form', 'res_model': 'mailing.mailing', 'res_id': mass_mailing_copy.id, 'context': context, } return False def action_test_mailing(self): self.ensure_one() ctx = dict(self.env.context, default_mass_mailing_id=self.id) return { 'name': _('Test Mailing'), 'type': 'ir.actions.act_window', 'view_mode': 'form', 'res_model': 'mailing.mailing.test', 'target': 'new', 'context': ctx, } def action_schedule_date(self): self.ensure_one() action = self.env.ref('mass_mailing.mailing_mailing_schedule_date_action').read()[0] action['context'] = dict(self.env.context, default_mass_mailing_id=self.id) return action def put_in_queue(self): self.write({'state': 'in_queue'}) def cancel_mass_mailing(self): self.write({'state': 'draft', 'schedule_date': False}) def retry_failed_mail(self): failed_mails = self.env['mail.mail'].search([('mailing_id', 'in', self.ids), ('state', '=', 'exception')]) failed_mails.mapped('mailing_trace_ids').unlink() failed_mails.sudo().unlink() res_ids = self._get_recipients() except_mailed = self.env['mailing.trace'].search([ ('model', '=', self.mailing_model_real), ('res_id', 'in', res_ids), ('exception', '!=', False), ('mass_mailing_id', '=', self.id)]).unlink() self.write({'state': 'in_queue'}) def action_view_sent(self): return self._action_view_documents_filtered('sent') def action_view_opened(self): return self._action_view_documents_filtered('opened') def action_view_replied(self): return self._action_view_documents_filtered('replied') def action_view_bounced(self): return self._action_view_documents_filtered('bounced') def action_view_clicked(self): return self._action_view_documents_filtered('clicked') def action_view_delivered(self): return self._action_view_documents_filtered('delivered') def _action_view_documents_filtered(self, view_filter): if view_filter in ('sent', 'opened', 'replied', 'bounced', 'clicked'): opened_stats = self.mailing_trace_ids.filtered(lambda stat: stat[view_filter]) elif view_filter == ('delivered'): opened_stats = self.mailing_trace_ids.filtered(lambda stat: stat.sent and not stat.bounced) else: opened_stats = self.env['mailing.trace'] res_ids = opened_stats.mapped('res_id') model_name = self.env['ir.model']._get(self.mailing_model_real).display_name return { 'name': model_name, 'type': 'ir.actions.act_window', 'view_mode': 'tree', 'res_model': self.mailing_model_real, 'domain': [('id', 'in', res_ids)], 'context': dict(self._context, create=False) } def update_opt_out(self, email, list_ids, value): if len(list_ids) > 0: model = self.env['mailing.contact'].with_context(active_test=False) records = model.search([('email_normalized', '=', tools.email_normalize(email))]) opt_out_records = self.env['mailing.contact.subscription'].search([ ('contact_id', 'in', records.ids), ('list_id', 'in', list_ids), ('opt_out', '!=', value) ]) opt_out_records.write({'opt_out': value}) message = _('The recipient unsubscribed from %s mailing list(s)') \ if value else _('The recipient subscribed to %s mailing list(s)') for record in records: # filter the list_id by record record_lists = opt_out_records.filtered(lambda rec: rec.contact_id.id == record.id) if len(record_lists) > 0: record.sudo().message_post(body=_(message % ', '.join(str(list.name) for list in record_lists.mapped('list_id')))) # ------------------------------------------------------ # Email Sending # ------------------------------------------------------ def _get_opt_out_list(self): """Returns a set of emails opted-out in target model""" self.ensure_one() opt_out = {} target = self.env[self.mailing_model_real] if self.mailing_model_real == "mailing.contact": # if user is opt_out on One list but not on another # or if two user with same email address, one opted in and the other one opted out, send the mail anyway # TODO DBE Fixme : Optimise the following to get real opt_out and opt_in target_list_contacts = self.env['mailing.contact.subscription'].search( [('list_id', 'in', self.contact_list_ids.ids)]) opt_out_contacts = target_list_contacts.filtered(lambda rel: rel.opt_out).mapped('contact_id.email_normalized') opt_in_contacts = target_list_contacts.filtered(lambda rel: not rel.opt_out).mapped('contact_id.email_normalized') opt_out = set(c for c in opt_out_contacts if c not in opt_in_contacts) _logger.info( "Mass-mailing %s targets %s, blacklist: %s emails", self, target._name, len(opt_out)) else: _logger.info("Mass-mailing %s targets %s, no opt out list available", self, target._name) return opt_out def _get_convert_links(self): self.ensure_one() vals = {'mass_mailing_id': self.id} if self.campaign_id: vals['campaign_id'] = self.campaign_id.id if self.source_id: vals['source_id'] = self.source_id.id if self.medium_id: vals['medium_id'] = self.medium_id.id return vals def _get_seen_list(self): """Returns a set of emails already targeted by current mailing/campaign (no duplicates)""" self.ensure_one() target = self.env[self.mailing_model_real] # avoid loading a large number of records in memory # + use a basic heuristic for extracting emails query = """ SELECT lower(substring(t.%(mail_field)s, '([^ ,;<@]+@[^> ,;]+)')) FROM mailing_trace s JOIN %(target)s t ON (s.res_id = t.id) WHERE substring(t.%(mail_field)s, '([^ ,;<@]+@[^> ,;]+)') IS NOT NULL """ # Apply same 'get email field' rule from mail_thread.message_get_default_recipients if 'partner_id' in target._fields: mail_field = 'email' query = """ SELECT lower(substring(p.%(mail_field)s, '([^ ,;<@]+@[^> ,;]+)')) FROM mailing_trace s JOIN %(target)s t ON (s.res_id = t.id) JOIN res_partner p ON (t.partner_id = p.id) WHERE substring(p.%(mail_field)s, '([^ ,;<@]+@[^> ,;]+)') IS NOT NULL """ elif issubclass(type(target), self.pool['mail.address.mixin']): mail_field = 'email_normalized' elif 'email_from' in target._fields: mail_field = 'email_from' elif 'partner_email' in target._fields: mail_field = 'partner_email' elif 'email' in target._fields: mail_field = 'email' else: raise UserError(_("Unsupported mass mailing model %s") % self.mailing_model_id.name) if self.unique_ab_testing: query +=""" AND s.campaign_id = %%(mailing_campaign_id)s; """ else: query +=""" AND s.mass_mailing_id = %%(mailing_id)s AND s.model = %%(target_model)s; """ query = query % {'target': target._table, 'mail_field': mail_field} params = {'mailing_id': self.id, 'mailing_campaign_id': self.campaign_id.id, 'target_model': self.mailing_model_real} self._cr.execute(query, params) seen_list = set(m[0] for m in self._cr.fetchall()) _logger.info( "Mass-mailing %s has already reached %s %s emails", self, len(seen_list), target._name) return seen_list def _get_mass_mailing_context(self): """Returns extra context items with pre-filled blacklist and seen list for massmailing""" return { 'mass_mailing_opt_out_list': self._get_opt_out_list(), 'mass_mailing_seen_list': self._get_seen_list(), 'post_convert_links': self._get_convert_links(), } def _get_recipients(self): if self.mailing_domain: domain = safe_eval(self.mailing_domain) res_ids = self.env[self.mailing_model_real].search(domain).ids else: res_ids = [] domain = [('id', 'in', res_ids)] # randomly choose a fragment if self.contact_ab_pc < 100: contact_nbr = self.env[self.mailing_model_real].search_count(domain) topick = int(contact_nbr / 100.0 * self.contact_ab_pc) if self.campaign_id and self.unique_ab_testing: already_mailed = self.campaign_id._get_mailing_recipients()[self.campaign_id.id] else: already_mailed = set([]) remaining = set(res_ids).difference(already_mailed) if topick > len(remaining): topick = len(remaining) res_ids = random.sample(remaining, topick) return res_ids def _get_remaining_recipients(self): res_ids = self._get_recipients() already_mailed = self.env['mailing.trace'].search_read([ ('model', '=', self.mailing_model_real), ('res_id', 'in', res_ids), ('mass_mailing_id', '=', self.id)], ['res_id']) done_res_ids = [record['res_id'] for record in already_mailed] return [rid for rid in res_ids if rid not in done_res_ids] def action_send_mail(self, res_ids=None): author_id = self.env.user.partner_id.id for mailing in self: if not res_ids: res_ids = mailing._get_remaining_recipients() if not res_ids: raise UserError(_('There is no recipients selected.')) composer_values = { 'author_id': author_id, 'attachment_ids': [(4, attachment.id) for attachment in mailing.attachment_ids], 'body': mailing.body_html, 'subject': mailing.subject, 'model': mailing.mailing_model_real, 'email_from': mailing.email_from, 'record_name': False, 'composition_mode': 'mass_mail', 'mass_mailing_id': mailing.id, 'mailing_list_ids': [(4, l.id) for l in mailing.contact_list_ids], 'no_auto_thread': mailing.reply_to_mode != 'thread', 'template_id': None, 'mail_server_id': mailing.mail_server_id.id, } if mailing.reply_to_mode == 'email': composer_values['reply_to'] = mailing.reply_to composer = self.env['mail.compose.message'].with_context(active_ids=res_ids).create(composer_values) extra_context = self._get_mass_mailing_context() composer = composer.with_context(active_ids=res_ids, **extra_context) # auto-commit except in testing mode auto_commit = not getattr(threading.currentThread(), 'testing', False) composer.send_mail(auto_commit=auto_commit) mailing.write({'state': 'done', 'sent_date': fields.Datetime.now()}) return True def convert_links(self): res = {} for mass_mailing in self: html = mass_mailing.body_html if mass_mailing.body_html else '' vals = {'mass_mailing_id': mass_mailing.id} if mass_mailing.campaign_id: vals['campaign_id'] = mass_mailing.campaign_id.id if mass_mailing.source_id: vals['source_id'] = mass_mailing.source_id.id if mass_mailing.medium_id: vals['medium_id'] = mass_mailing.medium_id.id res[mass_mailing.id] = self.env['link.tracker'].convert_links(html, vals, blacklist=['/unsubscribe_from_list']) return res @api.model def _process_mass_mailing_queue(self): mass_mailings = self.search([('state', 'in', ('in_queue', 'sending')), '|', ('schedule_date', '<', fields.Datetime.now()), ('schedule_date', '=', False)]) for mass_mailing in mass_mailings: user = mass_mailing.write_uid or self.env.user mass_mailing = mass_mailing.with_context(**user.with_user(user).context_get()) if len(mass_mailing._get_remaining_recipients()) > 0: mass_mailing.state = 'sending' mass_mailing.action_send_mail() else: mass_mailing.write({'state': 'done', 'sent_date': fields.Datetime.now()}) # ------------------------------------------------------ # TOOLS # ------------------------------------------------------ def _unsubscribe_token(self, res_id, email): """Generate a secure hash for this mailing list and parameters. This is appended to the unsubscription URL and then checked at unsubscription time to ensure no malicious unsubscriptions are performed. :param int res_id: ID of the resource that will be unsubscribed. :param str email: Email of the resource that will be unsubscribed. """ secret = self.env["ir.config_parameter"].sudo().get_param("database.secret") token = (self.env.cr.dbname, self.id, int(res_id), tools.ustr(email)) return hmac.new(secret.encode('utf-8'), repr(token).encode('utf-8'), hashlib.sha512).hexdigest() def _convert_inline_images_to_urls(self, body_html): """ Find inline base64 encoded images, make an attachement out of them and replace the inline image with an url to the attachement. """ def _image_to_url(b64image: bytes): """Store an image in an attachement and returns an url""" attachment = self.env['ir.attachment'].create({ 'datas': b64image, 'name': "cropped_image_mailing_{}".format(self.id), 'type': 'binary',}) attachment.generate_access_token() return '/web/image/%s?access_token=%s' % ( attachment.id, attachment.access_token) modified = False root = lxml.html.fromstring(body_html) for node in root.iter('img'): match = image_re.match(node.attrib.get('src', '')) if match: mime = match.group(1) # unsed image = match.group(2).encode() # base64 image as bytes node.attrib['src'] = _image_to_url(image) modified = True if modified: return lxml.html.tostring(root) return body_html