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Published 20 hours ago • verified publisher icon Kozea

Bad put request: Failed to parse line: \n (Thunderbird)

Open stbc opened this issue 1 year ago • 15 comments

Hi,

upon running the latest thunderbird, I am encountering the above statement in our error log when trying to create a calendar event with a body text coming from a mail (using "transform to event" method in TB). Deleting the text will result in proper event creation in radicale. Any hints on that?

stbc avatar Dec 15 '22 13:12 stbc

can you please paste (anonymized, if needed) the log lines here? Cannot match to error messages in "radicale/app/put.py" so far.

pbiering avatar Dec 15 '22 16:12 pbiering

my bad, sorry for not adding this right away. radi_log.txt Attached as text file as it is easier to read. Can provide as paste here as well if needed or requested.

stbc avatar Dec 16 '22 08:12 stbc

the attached logfile shows all related information...

the event was rejected by "vobject" library, which is only used by "radicale":

radi env[5217]: vobject.base.ParseError: At line 59: Failed to parse line: \n

I would strongly assume it's caused by following entry in the schedule:

DESCRIPTION:test#015\n#015\ntest#015\n#015\n#015\n#015\n#015\ntest

According to

PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN

I would assume you are using Thunderbird, tried to replay with Thunderbird 102.5.1 on Linux and 102.6 on Windows, but here this results in

DESCRIPTION;ALTREP="...":Test\nTest\nTest\n

(no #015 here, which is octal representation of CR \r)

Question: what has generated that ICS file containing #015 (which I assume is the reason for the issue)

BTW: please fix typo in topic.

pbiering avatar Dec 17 '22 06:12 pbiering

Running TB 102.6.0 (32-Bit). Asked a colleague of mine to reproduce, he got the same error on our radicale server.

We found out, that this only occurs, when you are using the "Convert to event" feature on a mail you got in your inbox. The DESCRIPTION field is populated differently in that case.

Using the "Convert to event" feature will result in:

Dec 19 09:37:32 radi env[15377]: DESCRIPTION:Sehr geehrte/r [user], wir bestätigen, dass wir Ihre Anfra Dec 19 09:37:32 radi env[15377]: ge erhalten haben und ein Ticket erstellt wurde.#015\n Ein Support-Mitarbeite Dec 19 09:37:32 radi env[15377]: r wird Ihre Anfrage prüfen und Ihnen eine persönliche Antwort zukommen la Dec 19 09:37:32 radi env[15377]: ssen.#015\n

Entering the event manually in Tunderbird, using newlines in DESCRIPTION as well is generating:

Dec 19 09:39:36 radi env[15377]: DESCRIPTION;ALTREP="data:text/html,%3Cbody%3E%0A%3Cdiv%3E1%20Zeile%3C%2Fdiv Dec 19 09:39:36 radi env[15377]: %3E%0A%3Cdiv%3E%3Cbr%3E%0A2%20Zeile%3C%2Fdiv%3E%0A%3Cdiv%3EDankesch%C3%B6n Dec 19 09:39:36 radi env[15377]: .%3C%2Fdiv%3E%0A%3C%2Fbody%3E":1 Zeile\n\n2 Zeile\nDankeschön.\n

stbc avatar Dec 19 '22 09:12 stbc

Can you check raw content of the e-mail whether it's proper encoded (e.g. save raw and analyze with "hexdump").

Anyhow, looks like "Thunderbird" has a bug or is too relaxed on "Convert to event" related to that '#15' (which should represent '\r') char in front of '\n'.

BTW: '\r' is not mentioned here in line separation for DESCRIPTION: https://www.rfc-editor.org/rfc/rfc5545#section-3.8.1.5

=> either "Thunderbird" has a bug or "vobject" is too strict....in any of this cases, "radicale" can't solve that issue for you.

pbiering avatar Dec 20 '22 07:12 pbiering

I will check and I was afraid of that conclusion :/ But you are absolutely right 😢

stbc avatar Dec 20 '22 07:12 stbc

I will check and I was afraid of that conclusion

The only somehow ugly workaround would be removing or replacing unexpected chars from the request body before parsing with "vobject".

Check code in radicale/httputils.py:

def read_request_body(configuration: "config.Configuration",
                      environ: types.WSGIEnviron) -> str:
    content = decode_request(configuration, environ,
                             read_raw_request_body(configuration, environ))
    logger.debug("Request content:\n%s", content)
    return content

Something like (not tested, only written...), hopefully not breaking anything else:

...
    logger.debug("Request content:\n%s", content)
    if content.find('\r')
        content = content.replace("\r", "")
        logger.debug("Request content (adjusted):\n%s", content)
    return content

Would also hope that this is the root cause of the problem at all...

pbiering avatar Dec 21 '22 05:12 pbiering

FYI I filed a bug with Thunderbird ~~on this issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1815038~~

EDIT: which I just closed as a duplicate of this already-existing bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1738611

partofthething avatar Feb 04 '23 06:02 partofthething

I have tested this with vObject today, using Python 2.7, 3.7-3.12, and vObject Git master, and am NOT able to replicate the problem.

I copied the ICS data from the log file:

BEGIN:VCALENDAR
PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
VERSION:2.0
BEGIN:VTIMEZONE
TZID:Europe/Berlin
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19700329T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19701025T030000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
CREATED:20221216T080616Z
LAST-MODIFIED:20221216T080618Z
DTSTAMP:20221216T080618Z
UID:a05ae5f9-6932-4acb-b918-c7e340352388
SUMMARY:Testtermin
DTSTART;TZID=Europe/Berlin:20221216T100000
DTEND;TZID=Europe/Berlin:20221216T110000
DESCRIPTION:test#015\n#015\ntest#015\n#015\n#015\n#015\n#015\ntest
URL:mid:[email protected]
END:VEVENT
END:VCALENDAR

In all cases, using current Git master branch, it is parsed without an exception.

da4089 avatar Mar 02 '24 05:03 da4089

can't also replicate here using vobject-0.9.6.1

@stbc : please reopen still occurs on your side but having latest versions installed (radicale 3.1.8 and vobject 0.9.6.1)

pbiering avatar Mar 02 '24 06:03 pbiering

hi, this happens 2 me: /nix/store/k4949l39zdq5nw43jrmi7dl5b2ns145g-radicale-3.1.8, /nix/store/7rnrq40cxb1x9y50rc4w1l7cg9vl6v23-python3.11-vobject-0.9.6.1, on thunderbird convert email with ics to event,

Mar 24 21:15:05 flowe radicale[2748015]: [2024-03-24 21:15:05 +0200] [2748015/Thread-3339 (process_request_thread)] [WARNING] Bad PUT request on '/ckie/7e584455-redacted/abacb457-redacted.ics': At line 1252: Failed to parse line: \nWeekly from Xpm to Xpm on Tuesday\, Friday

payload 
BEGIN:VCALENDAR
PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN
VERSION:2.0
BEGIN:VTIMEZONE
TZID:Asia/Jerusalem
X-TZINFO:Asia/Jerusalem[2023c]
BEGIN:STANDARD
TZOFFSETTO:+022040
TZOFFSETFROM:+022054
TZNAME:Asia/Jerusalem(STD)
DTSTART:18800101T000000
RDATE:18800101T000000
END:STANDARD
BEGIN:STANDARD
TZOFFSETTO:+020000
TZOFFSETFROM:+022040
TZNAME:Asia/Jerusalem(STD)
DTSTART:19180101T000000
RDATE:19180101T000000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETTO:+030000
TZOFFSETFROM:+020000
TZNAME:Asia/Jerusalem(DST)
DTSTART:19400601T020000
RDATE:19400601T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETTO:+020000
TZOFFSETFROM:+030000
TZNAME:Asia/Jerusalem(STD)
DTSTART:19401001T030000
RDATE:19401001T030000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETTO:+030000
TZOFFSETFROM:+020000
TZNAME:Asia/Jerusalem(DST)
DTSTART:19401117T020000
RDATE:19401117T020000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETTO:+020000
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TZNAME:Asia/Jerusalem(STD)
DTSTART:19421101T030000
RDATE:19421101T030000
END:STANDARD
BEGIN:DAYLIGHT
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DTSTART:20140328T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=FR;BYMONTHDAY=23,24,25,26,27,28,29
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETTO:+020000
TZOFFSETFROM:+030000
TZNAME:(STD)
DTSTART:20141026T020000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
CREATED:20240324T191504Z
LAST-MODIFIED:20240324T191505Z
DTSTAMP:20240324T191505Z
UID:abacb457-c280-459e-b985-81c993523347
SUMMARY:Invitation: REDACTED\, REDACTED
  (GMT+2) ([email protected])
DTSTART;TZID=Asia/Jerusalem:20240326T160000
DTEND;TZID=Asia/Jerusalem:20240326T170000
DESCRIPTION:redacted
\nWeekly from REDACTEDpm to REDACTED5pm on REDACTED\, REDACTED
\nIsrae
 l Time
\n
\nJoin with Google Meet
\nhttps://meet.google.com/REDACTEDREDACTEDREDACTED?hs
 =224
\n
\n
\n	
\nJoin by phone
\n(US) +REDACTEREDACTEREDACTEREDACTED-REDACTED
\nPIN: REDACTED
\n
\
 nMore phone numbers
\nhttps://tel.REDACTEDREDACTEDREDACTEDREDACTEDREDACTEDREDACTED&hs=0

\n
\n
\nOrganizer
\nREDACTED REDACTED
\[email protected]
\n
\nGuests
\nREDACTED REDACTED
  • organizer \nREDACTED \REDACTED \REDACTED \nView all guest info

\nhttps://calendar.google.com/calendar/event?action=VIEW&eid=REDACTED \n \nReply for REDACTEand view more details
\nhttps://calendar.g oogle.com/calendar/REDACTED REDACTED REDACTED \nYour attendance is optional. \n \n~~//~~ \nInvitation from Google Calendar: https://calenda r.google.com/calendar/ \n \nYou are receiving this email because you are su bscribed to calendar
\nnotifications. To stop receiving these emails, go to
\nhttps://calendar.google.com/calendar/r/settings, select this calen dar, and
\nchange "Other notifications". \n \nForwarding this invitation could allow any recipient to send a response to
\nthe organizer, be add ed to the guest list, invite others regardless of
\ntheir own invitation status, or modify your RSVP. \n \nLearn more https://support.google.com/c alendar/answer/37135#forwarding URL:mid:[email protected] END:VEVENT END:VCALENDAR

emptying DESCRIPTION in thunderbird makes it work.

https://icalendar.org/validator.html does not like it either (unredacted)

EDIT: I'm taking this to thunderbird since it seems to be their fault(?)

ckiee avatar Mar 24 '24 19:03 ckiee

Potentially \, is causing the issue.

pbiering avatar Mar 24 '24 20:03 pbiering

I ran into same issue and afair I had this already in the past. Best to be replicated using an e-mail and convert it into a schedule. E-mail text is copied to description and this triggers the issue. Will investigate how to circumvent this somehow by a workaround until upstream has fixed this.

pbiering avatar Mar 25 '24 20:03 pbiering

Yeah I did not manage to finish figuring it out to comment usefully there.

ckiee avatar Mar 25 '24 20:03 ckiee

added comment: https://bugzilla.mozilla.org/show_bug.cgi?id=1738611#c31

pbiering avatar Mar 26 '24 06:03 pbiering