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ruby: unexpected token SPACE (2006-08-12 23:55 by Anonymous #24346)

The following started happening a week ago without any changes in the local software setup. System is Debian testing, ruby 1.8.2-1, bsfilter 1:1.0.13-1. Any ideas?

/usr/lib/ruby/1.8/net/imap.rb:3104:in `parse_error': unexpected token SPACE (Net
::IMAP::ResponseParseError)
from /usr/lib/ruby/1.8/net/imap.rb:2917:in `atom'
from /usr/lib/ruby/1.8/net/imap.rb:2714:in `capability_response'
from /usr/lib/ruby/1.8/net/imap.rb:1972:in `response_untagged'
from /usr/lib/ruby/1.8/net/imap.rb:1930:in `response'
from /usr/lib/ruby/1.8/net/imap.rb:1856:in `parse'
from /usr/lib/ruby/1.8/net/imap.rb:996:in `get_response'
from /usr/lib/ruby/1.8/net/imap.rb:925:in `receive_responses'
from /usr/lib/ruby/1.8/net/imap.rb:918:in `initialize'
from /usr/lib/ruby/1.8/net/imap.rb:917:in `initialize'
from /usr/bin/bsfilter:2682:in `do_imap'
from /usr/bin/bsfilter:3321:in `run'
from /usr/bin/bsfilter:3373

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RE: ruby: unexpected token SPACE (2006-08-13 00:22 by nabeken #24348)

It seems to be a problem between IMAP server and a standard library of ruby.
Do you have any information about your IMAP server? (program name, revision, authentication method ...)
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RE: ruby: unexpected token SPACE (2006-08-13 00:33 by Anonymous #24350)

Nabaken,

Offlineimap reveals only the following information about the IMAP server:

new IMAP4 connection, tag=DKKG
< * OK [CAPABILITY IMAP4REV1 UIDPLUS NAMESPACE SASL-IR LOGIN-REFERRALS AUTH=LOGIN] nic IMAP4rev1 2006a-sau at Sat, 12 Aug 2006 18:25:38 +0300 (EEST)
> DKKG0 CAPABILITY
< * CAPABILITY IMAP4REV1 UIDPLUS NAMESPACE IDLE NAMESPACE MAILBOX-REFERRALS BINARY UNSELECT SCAN SORT THREAD=REFERENCES THREAD=ORDEREDSUBJECT QUOTA MULTIAPPEND SASL-IR LOGIN-REFERRALS AUTH=LOGIN
< DKKG0 OK CAPABILITY completed
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RE: ruby: unexpected token SPACE (2006-08-13 00:22 by Anonymous #24349)

Same happens with the latest bsfilter version in sourceforge (1.0.14) with the exception of different bsfilter line numbers:

from /usr/bin/bsfilter:2705:in `do_imap'
from /usr/bin/bsfilter:3340:in `run'
from /usr/bin/bsfilter:3392
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RE2: ruby: unexpected token SPACE (2006-08-13 00:38 by Anonymous #24351)

There seems to be an extra space (totalling two) between the NAMESPACE and IDLE capabilities in the response from the server. Maybe this confuses Ruby's IMAP library?

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RE: RE2: ruby: unexpected token SPACE (2006-08-13 00:59 by Anonymous #24352)

This seems to be the case. It is probably a mistake in the server configuration but can be overcome with a following temporary workaround to the Ruby IMAP library:

*** imap.rb-orig 2006-08-12 17:50:49.000000000 +0300
--- imap.rb 2006-08-12 17:54:25.000000000 +0300
***************
*** 1883,1889 ****
T_TEXT = :TEXT

BEG_REGEXP = /\G(?:\
! (?# 1: SPACE )( )|\
(?# 2: NIL )(NIL)(?=[\x80-\xff(){ \x00-\x1f\x7f%*"\\\[\]+])|\
(?# 3: NUMBER )(\d+)(?=[\x80-\xff(){ \x00-\x1f\x7f%*"\\\[\]+])|\
(?# 4: ATOM )([^\x80-\xff(){ \x00-\x1f\x7f%*"\\\[\]+]+)|\
--- 1883,1889 ----
T_TEXT = :TEXT

BEG_REGEXP = /\G(?:\
! (?# 1: SPACE )( +)|\
(?# 2: NIL )(NIL)(?=[\x80-\xff(){ \x00-\x1f\x7f%*"\\\[\]+])|\
(?# 3: NUMBER )(\d+)(?=[\x80-\xff(){ \x00-\x1f\x7f%*"\\\[\]+])|\
(?# 4: ATOM )([^\x80-\xff(){ \x00-\x1f\x7f%*"\\\[\]+]+)|\
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RE: RE2: ruby: unexpected token SPACE (2006-08-13 01:14 by nabeken #24354)

I added "extra space" to my local IMAP server and confirmed your patch worked.

RFC2060 defines the format of CAPABILITY. I'm not sure multiple SPACEs are regal.


capability_data ::= "CAPABILITY" SPACE [1#capability SPACE] "IMAP4rev1"
[SPACE 1#capability]
;; IMAP4rev1 servers which offer RFC 1730
;; compatibility MUST list "IMAP4" as the first
;; capability.

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RE: ruby: unexpected token SPACE [fixed] (2006-10-04 22:49 by Anonymous #25288)

The problem has been fixed in Ruby 1.8.5-1 for Debian.
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