[Tickets #15173] Add a method to Imap_Client that keeps the original flag case

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Ticket URL: https://bugs.horde.org/ticket/15173
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  Ticket             | 15173
  Created By         | frederik.guenther at iserv.eu
  Summary            | Add a method to Imap_Client that keeps the original
                     | flag case
  Queue              | Horde Framework Packages
  Type               | Enhancement
  State              | New
  Priority           | 1. Low
  Milestone          |
  Patch              | 1
  Owners             |
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frederik.guenther at iserv.eu (2024-10-08 06:59) wrote:

According to RFC 9051 "Servers MAY permit the client to define new  
keywords in the mailbox".

For my use-case this makes it necessary that I change the encoding of  
keywords from UTF-8 to UTF7-IMAP to allow Umlauts in keywords.

Example: "Bööm" will be encoded as "B&APYA9g-m"

If I insert the lowercase Version of this string into  
`mb_convert_encoding()`, I receive a different result ("b??m").

Therefore I propose a method that allows us to fetch keywords in their  
original case to prevent encoding from becoming corrupted.

I created a patch that simply adds a new method to fetch flags, that  
hopefully has no impact on the existing code. The constant I added for  
flags with their original case is currently 999 since I don't know if  
you're simply counting up or if the values of the constants have a  
system.

https://github.com/horde/Imap_Client/pull/35

Feedback is always welcome.