Exemplo n.º 1
0
def fetch_url(url, opener=None, timeout=60.0, chunk_size=16384):
    if opener is None:
        opener = urllib2.build_opener()

    try:
        output = StringIO()

        fileobj = yield idiokit.thread(opener.open, url, timeout=timeout)
        try:
            while True:
                data = yield idiokit.thread(fileobj.read, chunk_size)
                if not data:
                    break
                output.write(data)
        finally:
            fileobj.close()

        info = fileobj.info()
        info = email.parser.Parser().parsestr(str(info), headersonly=True)

        output.seek(0)

        idiokit.stop(info, output)
    except urllib2.HTTPError as he:
        raise HTTPError(he.code, he.msg, he.hdrs, he.fp)
    except urllib2.URLError as error:
        if _is_timeout(error.reason):
            raise FetchUrlTimeout("fetching URL timed out")
        raise FetchUrlFailed(str(error))
    except socket.error as error:
        if _is_timeout(error):
            raise FetchUrlTimeout("fetching URL timed out")
        raise FetchUrlFailed(str(error))
    except httplib.HTTPException as error:
        raise FetchUrlFailed(str(error))
Exemplo n.º 2
0
    def _login(self, server, user, password):
        yield idiokit.thread(server.ehlo)

        if server.has_extn("starttls"):
            yield idiokit.thread(server.starttls)
            yield idiokit.thread(server.ehlo)

        if user is not None and password is not None and server.has_extn("auth"):
            yield idiokit.thread(server.login, user, password)
    def feed(self, query, feed_all):
        collab = wiki.GraphingWiki(
            self.collab_url,
            ssl_verify_cert=not self.collab_ignore_cert,
            ssl_ca_certs=self.collab_extra_ca_certs)
        yield idiokit.thread(collab.authenticate, self.collab_user, self.collab_password)

        yield idiokit.sleep(5)

        token = None
        current = dict()
        while True:
            try:
                result = yield idiokit.thread(collab.request, "IncGetMeta", query, token)
            except wiki.WikiFailure as fail:
                self.log.error("IncGetMeta failed: {0!r}".format(fail))
            else:
                incremental, token, (removed, updates) = result
                removed = set(removed)
                if not incremental:
                    removed.update(current)
                    current.clear()

                for page, keys in updates.iteritems():
                    event = current.setdefault(page, events.Event())
                    event.add("id:open", self.page_id(page))
                    event.add("gwikipagename", page)
                    event.add("collab url", self.collab_url + urllib.quote(page.encode("utf8")))

                    removed.discard(page)

                    for key, (discarded, added) in keys.iteritems():
                        for value in map(normalize, discarded):
                            event.discard(key, value)

                        for value in map(normalize, added):
                            event.add(key, value)

                    if not feed_all:
                        yield idiokit.send(event)

                for page in removed:
                    current.pop(page, None)

                    event = events.Event()
                    event.add("id:close", self.page_id(page))
                    event.add("gwikipagename", page)
                    event.add("collab url", self.collab_url + page)

                    yield idiokit.send(event)

                if feed_all:
                    for page in current:
                        yield idiokit.send(current[page])

            yield idiokit.sleep(self.poll_interval)
Exemplo n.º 4
0
    def run_mailbox(self, min_delay=5.0, max_delay=60.0):
        mailbox = None

        try:
            while True:
                item = yield idiokit.next()

                while True:
                    delay = min(min_delay, max_delay)
                    while mailbox is None:
                        try:
                            mailbox = yield idiokit.thread(self.connect)
                        except (imaplib.IMAP4.abort, socket.error) as error:
                            self.log.error(
                                "Failed IMAP connection ({0})".format(
                                    utils.format_exception(error)))
                        else:
                            break

                        self.log.info(
                            "Retrying connection in {0:.2f} seconds".format(
                                delay))
                        yield idiokit.sleep(delay)
                        delay = min(2 * delay, max_delay)

                    event, name, args, keys = item
                    if event.result().unsafe_is_set():
                        break

                    try:
                        method = getattr(mailbox, name)
                        result = yield idiokit.thread(method, *args, **keys)
                    except (imaplib.IMAP4.abort, socket.error) as error:
                        yield idiokit.thread(self.disconnect, mailbox)
                        self.log.error("Lost IMAP connection ({0})".format(
                            utils.format_exception(error)))
                        mailbox = None
                        event.fail(LostConnection, "", None)
                        break
                    except imaplib.IMAP4.error as error:
                        event.fail(type(error), error, None)
                        break
                    else:
                        event.succeed(result)
                        break
        finally:
            if mailbox is not None:
                yield idiokit.thread(self.disconnect, mailbox)
Exemplo n.º 5
0
    def build_mail(self,
                   events,
                   to=[],
                   cc=[],
                   bcc=[],
                   template="",
                   template_values={},
                   **keys):
        """
        Return a mail object produced based on collected events and session parameters.
        The "events" parameter is None when we just want to test building a mail.
        """
        if events is None:
            events = []

        csv = templates.CSVFormatter()
        template_keys = {
            "csv": csv,
            "attach_csv": templates.AttachUnicode(csv),
            "attach_and_embed_csv": templates.AttachAndEmbedUnicode(csv),
            "attach_zip": templates.AttachZip(csv),
            "to": templates.Const(format_addresses(to)),
            "cc": templates.Const(format_addresses(cc)),
            "bcc": templates.Const(format_addresses(bcc))
        }
        for key, value in dict(template_values).iteritems():
            template_keys[key] = templates.Event(value)

        mail_template = MailTemplate(template, **template_keys)
        msg = yield idiokit.thread(mail_template.format, events)
        idiokit.stop(msg)
Exemplo n.º 6
0
    def _connect(self, host, port, retry_interval=60.0):
        server = None

        while server is None:
            self.log.info(u"Connecting to SMTP server {0!r} port {1}".format(
                host, port))
            try:
                server = yield idiokit.thread(
                    smtplib.SMTP,
                    host,
                    port,
                    timeout=self.smtp_connection_timeout)
            except (socket.error, smtplib.SMTPException) as exc:
                self.log.error(u"Failed connecting to SMTP server: {0}".format(
                    utils.format_exception(exc)))
            else:
                self.log.info(u"Connected to the SMTP server")
                break

            self.log.info(
                u"Retrying SMTP connection in {0:.2f} seconds".format(
                    retry_interval))
            yield idiokit.sleep(retry_interval)

        idiokit.stop(server)
Exemplo n.º 7
0
    def _compress(self, queue):
        while True:
            compress_path = yield queue.wait()

            try:
                path = yield idiokit.thread(_compress, compress_path)
                self.log.info("Compressed archive {0!r}".format(path))
            except ValueError:
                self.log.error("Invalid path {0!r}".format(compress_path))
Exemplo n.º 8
0
    def run_mailbox(self, min_delay=5.0, max_delay=60.0):
        mailbox = None

        try:
            while True:
                item = yield idiokit.next()

                while True:
                    delay = min(min_delay, max_delay)
                    while mailbox is None:
                        try:
                            mailbox = yield idiokit.thread(self.connect)
                        except (imaplib.IMAP4.abort, socket.error) as error:
                            self.log.error("Failed IMAP connection ({0})".format(utils.format_exception(error)))
                        else:
                            break

                        self.log.info("Retrying connection in {0:.2f} seconds".format(delay))
                        yield idiokit.sleep(delay)
                        delay = min(2 * delay, max_delay)

                    event, name, args, keys = item
                    if event.result().unsafe_is_set():
                        break

                    try:
                        method = getattr(mailbox, name)
                        result = yield idiokit.thread(method, *args, **keys)
                    except (imaplib.IMAP4.abort, socket.error) as error:
                        yield idiokit.thread(self.disconnect, mailbox)
                        self.log.error("Lost IMAP connection ({0})".format(utils.format_exception(error)))
                        mailbox = None
                    except imaplib.IMAP4.error as error:
                        event.fail(type(error), error, None)
                        break
                    else:
                        event.succeed(result)
                        break
        finally:
            if mailbox is not None:
                yield idiokit.thread(self.disconnect, mailbox)
Exemplo n.º 9
0
    def _connect(self, host, port, retry_interval=60.0):
        server = None

        while server is None:
            self.log.info(u"Connecting to SMTP server {0!r} port {1}".format(host, port))
            try:
                server = yield idiokit.thread(smtplib.SMTP, host, port, timeout=self.smtp_connection_timeout)
            except (socket.error, smtplib.SMTPException) as exc:
                self.log.error(u"Failed connecting to SMTP server: {0}".format(utils.format_exception(exc)))
            else:
                self.log.info(u"Connected to the SMTP server")
                break

            self.log.info(u"Retrying SMTP connection in {0:.2f} seconds".format(retry_interval))
            yield idiokit.sleep(retry_interval)

        idiokit.stop(server)
Exemplo n.º 10
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    def _manage_cache(self, query):
        token = None
        wikikeys = set()
        for valueset in self.keys.values():
            wikikeys.update(valueset)

        while True:
            try:
                result = yield idiokit.thread(self.collab.request,
                                              "IncGetMeta", query, token)
            except (socket.error, wiki.WikiFailure) as exc:
                self.log.error("IncGetMeta failed: {0}".format(exc))
            else:
                incremental, token, (removed, updates) = result
                removed = set(removed)
                if not incremental:
                    removed.update(self.cache.keys())
                    self.cache.clear()

                for page, keys in updates.iteritems():
                    event = self.cache.setdefault(page, events.Event())
                    event.add("gwikipagename", page)
                    removed.discard(page)

                    for key, (discarded, added) in keys.iteritems():
                        for value in discarded:
                            event.discard(key, value)

                        for value in added:
                            if key in wikikeys:
                                event.add(key, value)

                for page in removed:
                    self.cache.pop(page, None)

                if removed or updates:
                    self.log.info(
                        "Updated {0} pages and removed {1} pages ({2} pages in cache)"
                        .format(len(updates), len(removed),
                                len(self.cache.keys())))

            yield idiokit.sleep(self.poll_interval)
Exemplo n.º 11
0
    def _manage_cache(self, query):
        token = None
        wikikeys = set()
        for valueset in self.keys.values():
            wikikeys.update(valueset)

        while True:
            try:
                result = yield idiokit.thread(self.collab.request, "IncGetMeta", query, token)
            except (socket.error, wiki.WikiFailure) as exc:
                self.log.error("IncGetMeta failed: {0}".format(exc))
            else:
                incremental, token, (removed, updates) = result
                removed = set(removed)
                if not incremental:
                    removed.update(self.cache.keys())
                    self.cache.clear()

                for page, keys in updates.iteritems():
                    event = self.cache.setdefault(page, events.Event())
                    event.add("gwikipagename", page)
                    removed.discard(page)

                    for key, (discarded, added) in keys.iteritems():
                        for value in discarded:
                            event.discard(key, value)

                        for value in added:
                            if key in wikikeys:
                                event.add(key, value)

                for page in removed:
                    self.cache.pop(page, None)

                if removed or updates:
                    self.log.info("Updated {0} pages and removed {1} pages ({2} pages in cache)".format(
                        len(updates), len(removed), len(self.cache.keys())))

            yield idiokit.sleep(self.poll_interval)
Exemplo n.º 12
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    def build_mail(self, events, to=[], cc=[], bcc=[], template="", template_values={}, **keys):
        """
        Return a mail object produced based on collected events and session parameters.
        The "events" parameter is None when we just want to test building a mail.
        """
        if events is None:
            events = []

        csv = templates.CSVFormatter()
        template_keys = {
            "csv": csv,
            "attach_csv": templates.AttachUnicode(csv),
            "attach_and_embed_csv": templates.AttachAndEmbedUnicode(csv),
            "attach_zip": templates.AttachZip(csv),
            "to": templates.Const(format_addresses(to)),
            "cc": templates.Const(format_addresses(cc)),
            "bcc": templates.Const(format_addresses(bcc)),
        }
        for key, value in dict(template_values).iteritems():
            template_keys[key] = templates.Event(value)

        mail_template = MailTemplate(template, **template_keys)
        msg = yield idiokit.thread(mail_template.format, events)
        idiokit.stop(msg)
Exemplo n.º 13
0
    def report(self, eventlist, retries=None, to=[], cc=[], bcc=[], **keys):
        if retries is None:
            retries = self.max_retries
        msg = yield self.build_mail(eventlist, to=to, cc=cc, bcc=bcc, **keys)

        prep_recipient_header(msg, "to", to)
        prep_recipient_header(msg, "cc", cc)
        prep_recipient_header(msg, "bcc", bcc)

        # FIXME: Use encoding after getaddresses
        from_addr = getaddresses([self.mail_sender])[0]
        if "from" not in msg:
            msg["from"] = formataddr(from_addr)

        subject = decode_subject(msg.get("subject", ""))

        header_recipients = clean_recipients(msg.get_all("to", []) + msg.get_all("cc", []) + msg.get_all("bcc", []))
        if self.mail_receiver_override is not None:
            actual_recipients = clean_recipients(self.mail_receiver_override)
            recipient_string = u"{actual_recipients} (overridden from {header_recipients})".format(
                actual_recipients=format_recipients(actual_recipients),
                header_recipients=format_recipients(header_recipients),
            )
        else:
            actual_recipients = header_recipients
            recipient_string = unicode(format_recipients(actual_recipients))

        # No need to keep both the mail object and mail data in memory.
        msg_data = msg.as_string()
        del msg

        event = events.Event(
            {
                "type": "mail",
                "subject": subject,
                "to": to,
                "cc": cc,
                "bcc": bcc,
                "sender": from_addr[1],
                "recipients": actual_recipients,
                "event count": unicode(len(eventlist)),
            }
        )

        sent = False

        if not actual_recipients:
            self.log.info(
                u'Skipped message "{subject}": {recipients}'.format(subject=subject, recipients=recipient_string),
                event=event.union(status="skipped (no recipients)"),
            )
        elif not eventlist:
            self.log.info(
                u'Skipped message "{subject}" to {recipients}: no events'.format(
                    subject=subject, recipients=recipient_string
                ),
                event=event.union(status="skipped (no events)"),
            )
        else:
            server = yield self._connect(self.smtp_host, self.smtp_port)
            try:
                yield self._login(server, self.smtp_auth_user, self.smtp_auth_password)

                self.log.info(
                    u'Sending message "{subject}" to {recipients}'.format(subject=subject, recipients=recipient_string)
                )
                try:
                    yield idiokit.thread(server.sendmail, from_addr[1], actual_recipients, msg_data)
                except smtplib.SMTPDataError as data_error:
                    self.log.error(
                        u"Could not send the message to {recipients}: {error}. Dropping message from queue".format(
                            recipients=recipient_string, error=utils.format_exception(data_error)
                        )
                    )
                except smtplib.SMTPRecipientsRefused as refused:
                    for recipient, reason in refused.recipients.iteritems():
                        self.log.error(
                            u"Could not the send message to {recipients}: {error}. Dropping message from queue".format(
                                recipients=recipient_string, error=utils.format_exception(reason)
                            )
                        )
                except (socket.error, smtplib.SMTPException) as exc:
                    self.log.error(
                        u"Could not send the message to {recipients}: {error}".format(
                            recipients=recipient_string, error=utils.format_exception(exc)
                        )
                    )
                    if retries >= 1:
                        self.log.info(u"Retrying sending in 60 seconds")
                        self.requeue(60.0, retries=retries - 1)
                    else:
                        self.log.error(u"Failed all retries, dropping the mail from the queue")
                else:
                    sent = True
                    self.log.info(
                        u'Sent message "{subject}" to {recipients}'.format(
                            subject=subject, recipients=recipient_string
                        ),
                        event=event.union(status="sent"),
                    )
            finally:
                yield idiokit.thread(server.quit)

        idiokit.stop(sent)
Exemplo n.º 14
0
def fetch_url(url,
              opener=None,
              timeout=60.0,
              chunk_size=16384,
              cookies=None,
              auth=None,
              cert=None,
              verify=True,
              proxies=None):
    if opener is not None:
        raise TypeError("'opener' argument is no longer supported")

    handlers = [
        _CustomHTTPSHandler(cert=cert, verify=verify),
        urllib2.ProxyHandler(proxies)
    ]
    if cookies is not None:
        handlers.append(urllib2.HTTPCookieProcessor(cookies))
    if auth is not None:
        username, password = auth
        passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()

        if isinstance(url, urllib2.Request):
            uri = url.get_full_url()
            passmgr.add_password(None, uri, username, password)
        else:
            passmgr.add_password(None, url, username, password)

        handlers.append(urllib2.HTTPBasicAuthHandler(passmgr))
    opener = urllib2.build_opener(*handlers)

    try:
        output = StringIO()

        fileobj = yield idiokit.thread(opener.open, url, timeout=timeout)
        try:
            while True:
                data = yield idiokit.thread(fileobj.read, chunk_size)
                if not data:
                    break
                output.write(data)
        finally:
            fileobj.close()

        info = fileobj.info()
        info = email.parser.Parser().parsestr(str(info), headersonly=True)

        output.seek(0)

        idiokit.stop(info, output)
    except urllib2.HTTPError as he:
        raise HTTPError(he.code, he.msg, he.hdrs, he.fp)
    except urllib2.URLError as error:
        if _is_timeout(error.reason):
            raise FetchUrlTimeout("fetching URL timed out")
        raise FetchUrlFailed(str(error))
    except socket.error as error:
        if _is_timeout(error):
            raise FetchUrlTimeout("fetching URL timed out")
        raise FetchUrlFailed(str(error))
    except CertificateError as error:
        raise SSLCertificateError(str(error))
    except httplib.HTTPException as error:
        raise FetchUrlFailed(str(error))
Exemplo n.º 15
0
    def report(self, eventlist, retries=None, to=[], cc=[], bcc=[], **keys):
        if retries is None:
            retries = self.max_retries
        msg = yield self.build_mail(eventlist, to=to, cc=cc, bcc=bcc, **keys)

        prep_recipient_header(msg, "to", to)
        prep_recipient_header(msg, "cc", cc)
        prep_recipient_header(msg, "bcc", bcc)

        # FIXME: Use encoding after getaddresses
        from_addr = getaddresses([self.mail_sender])[0]
        if "from" not in msg:
            msg["from"] = formataddr(from_addr)

        subject = decode_subject(msg.get("subject", ""))

        header_recipients = clean_recipients(msg.get_all("to", []) + msg.get_all("cc", []) + msg.get_all("bcc", []))
        if self.mail_receiver_override is not None:
            actual_recipients = clean_recipients(self.mail_receiver_override)
            recipient_string = u"{actual_recipients} (overridden from {header_recipients})".format(
                actual_recipients=format_recipients(actual_recipients),
                header_recipients=format_recipients(header_recipients)
            )
        else:
            actual_recipients = header_recipients
            recipient_string = unicode(format_recipients(actual_recipients))

        # No need to keep both the mail object and mail data in memory.
        msg_data = msg.as_string()
        del msg

        event = events.Event({
            "type": "mail",
            "subject": subject,
            "to": to,
            "cc": cc,
            "bcc": bcc,
            "sender": from_addr[1],
            "recipients": actual_recipients,
            "event count": unicode(len(eventlist))
        })

        sent = False

        if not actual_recipients:
            self.log.info(
                u"Skipped message \"{subject}\": {recipients}".format(
                    subject=subject,
                    recipients=recipient_string
                ),
                event=event.union(status="skipped (no recipients)")
            )
        elif not eventlist:
            self.log.info(
                u"Skipped message \"{subject}\" to {recipients}: no events".format(
                    subject=subject,
                    recipients=recipient_string
                ),
                event=event.union(status="skipped (no events)")
            )
        else:
            server = yield self._connect(self.smtp_host, self.smtp_port)
            try:
                yield self._login(server, self.smtp_auth_user, self.smtp_auth_password)

                self.log.info(u"Sending message \"{subject}\" to {recipients}".format(
                    subject=subject,
                    recipients=recipient_string
                ))
                try:
                    yield idiokit.thread(server.sendmail, from_addr[1], actual_recipients, msg_data)
                except smtplib.SMTPDataError as data_error:
                    self.log.error(u"Could not send the message to {recipients}: {error}. Dropping message from queue".format(
                        recipients=recipient_string,
                        error=utils.format_exception(data_error)
                    ))
                except smtplib.SMTPRecipientsRefused as refused:
                    for recipient, reason in refused.recipients.iteritems():
                        self.log.error(u"Could not the send message to {recipients}: {error}. Dropping message from queue".format(
                            recipients=recipient_string,
                            error=utils.format_exception(reason)
                        ))
                except (socket.error, smtplib.SMTPException) as exc:
                    self.log.error(u"Could not send the message to {recipients}: {error}".format(
                        recipients=recipient_string,
                        error=utils.format_exception(exc)
                    ))
                    if retries >= 1:
                        self.log.info(u"Retrying sending in 60 seconds")
                        self.requeue(60.0, retries=retries - 1)
                    else:
                        self.log.error(u"Failed all retries, dropping the mail from the queue")
                else:
                    sent = True
                    self.log.info(
                        u"Sent message \"{subject}\" to {recipients}".format(
                            subject=subject,
                            recipients=recipient_string
                        ),
                        event=event.union(status="sent")
                    )
            finally:
                yield idiokit.thread(server.quit)

        idiokit.stop(sent)
Exemplo n.º 16
0
def fetch_url(
    url,
    opener=None,
    timeout=60.0,
    chunk_size=16384,
    cookies=None,
    auth=None,
    cert=None,
    verify=True,
    proxies=None
):
    if opener is not None:
        raise TypeError("'opener' argument is no longer supported")

    handlers = [
        _CustomHTTPSHandler(cert=cert, verify=verify),
        urllib2.ProxyHandler(proxies)
    ]
    if cookies is not None:
        handlers.append(urllib2.HTTPCookieProcessor(cookies))
    if auth is not None:
        username, password = auth
        passmgr = urllib2.HTTPPasswordMgrWithDefaultRealm()

        if isinstance(url, urllib2.Request):
            uri = url.get_full_url()
            passmgr.add_password(None, uri, username, password)
        else:
            passmgr.add_password(None, url, username, password)

        handlers.append(urllib2.HTTPBasicAuthHandler(passmgr))
    opener = urllib2.build_opener(*handlers)

    try:
        output = StringIO()

        fileobj = yield idiokit.thread(opener.open, url, timeout=timeout)
        try:
            while True:
                data = yield idiokit.thread(fileobj.read, chunk_size)
                if not data:
                    break
                output.write(data)
        finally:
            fileobj.close()

        info = fileobj.info()
        info = email.parser.Parser().parsestr(str(info), headersonly=True)

        output.seek(0)

        idiokit.stop(info, output)
    except urllib2.HTTPError as he:
        raise HTTPError(he.code, he.msg, he.hdrs, he.fp)
    except urllib2.URLError as error:
        if _is_timeout(error.reason):
            raise FetchUrlTimeout("fetching URL timed out")
        raise FetchUrlFailed(str(error))
    except socket.error as error:
        if _is_timeout(error):
            raise FetchUrlTimeout("fetching URL timed out")
        raise FetchUrlFailed(str(error))
    except httplib.HTTPException as error:
        raise FetchUrlFailed(str(error))