[asterisk-bugs] [JIRA] (ASTERISK-20167) UTF-8 cyrillic characters in voicemail email subject cause subject corruption

[Walter Doekes (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=206972#comment-206972 ] 

Walter Doekes commented on ASTERISK-20167:
------------------------------------------

Unfortunately, that's expected with that patch.
{noformat}
+			   "=?UTF-8?Q?=AC=E2=82=AC?="; /* <-- this break mid utf-8 is not cool, but it is the current implementation */
{noformat}

The patch tries to break on any space boundary, if there are too few spaces in your words, you get that problem.

For your Понедельни�Июнь-word, it's so long that the 72-byte limit kicks in.

Three choices:
- leave it as is
- drop the 72 char limit if need_encoding, we limit by space now anyway, so that should result in short lines anyway
- add utf8 support (more work)
                
> UTF-8 cyrillic characters in voicemail email subject cause subject corruption
> -----------------------------------------------------------------------------
>
>                 Key: ASTERISK-20167
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20167
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_voicemail
>    Affects Versions: 1.8.8.2
>         Environment: Linux myhost.mydomain 2.6.18-308.11.1.el5 #1 SMP Tue Jul 10 08:49:28 EDT 2012 i686 i686 i386 GNU/Linux
> Cent-OS 5.8
>            Reporter: Arcadiy Ivanov
>         Attachments: issueA20167_break_early_for_q_encoding.patch
>
>
> This has been happening ever since 1.4.x.
> ========
> In voicemail.conf:
> emailsubject=[PBX]: Сообщение от ${VM_CALLERID} в ${VM_DATE}
> ========
> The emails arrive with the following subject:
> [PBX]: Сообще�в Monday, July 23, 2012 at 11:45:46 PM
> ========
> The subject should appear as follows:
> [PBX]: Сообщение от "anonymous" <anonymous> в Monday, July 23, 2012 at 11:45:46 PM
> ========
> The raw subject header as it appears in the email message is:
> Subject: =?UTF-8?Q?=5BPBX=5D=3A_=D0=A1=D0=BE=D0=BE=D0=B1=D1=89=D0=B5=D0?=
>  =?UTF-8?Q?=BD=D0=B8=D0=B5_=D0=BE=D1=82_=22anonymous=22_=3Canonymous=3E_?=
>  =?UTF-8?Q?=D0=B2_Monday=2C_July_23=2C_2012_at_11=3A45=3A46_PM?=

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