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server/usr/share/psa-pear/pear/docs/imp/UPGRADING
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===============
Upgrading IMP
===============
:Contact: imp@lists.horde.org
.. contents:: Contents
.. section-numbering::
General instructions
====================
These are instructions to upgrade from earlier IMP versions. Please backup your
existing data before running any of the steps described below. You can't use
the updated data with your old IMP version anymore.
Upgrading IMP is as easy as running::
pear upgrade -a -B horde/imp
If you want to upgrade IMP with all binary dependencies, you need to remove
the ``-B`` flag. Please note that this might also try to install PHP extensions
through PECL that might need further configuration or activation in your PHP
configuration::
pear upgrade -a horde/imp
If you want to upgrade to an alpha or beta version of IMP, you need to tell
the PEAR installer to prefer non-stable package versions. Please note that this
might also install pre-release 3rd-party PEAR packages::
pear -d preferred_state=alpha upgrade -a horde/imp
If you want to upgrade from an IMP version prior to 5.0, please follow the
instructions in INSTALL_ to install the most recent IMP version using the PEAR
installer.
After updating to a newer IMP version, you **always** need to update
configurations and database schemes. Log in as an administrator, go to
Administration => Configuration and update anything that's highlighted as
outdated.
Upgrading IMP From 6.1.x To 6.2
===============================
Server Options (backends.php)
-----------------------------
The 'format' quota option has been removed.
The 'cache_lifetime' option is now honored for the 'cache' and 'hashtable'
caching backends.
The 'interval' parameter has been added to the quota configuration.
The 'lmtp' parameter has been added to the smtp configuration.
Configuration Options (conf.php)
--------------------------------
The following options have been added::
$conf['compose']['htmlsig_img_size']
$conf['compose']['link_attach_size_hard']
$conf['contactsimage']['backends']
$conf['maillog']['driver']
The following options have been removed::
$conf['compose']['ac_threshold']
$conf['compose']['convert_to_related']
$conf['maillog']['use_maillog']
The default value for the following options have been changed:
$conf['pgp']['keylength']
Hooks (hooks.php)
-----------------
The following hooks have been added::
compose_addr
MIME Viewer Options (mime_drivers.php)
--------------------------------------
The 'pgp_inline' config parameter has been added to the plaintext driver.
The 'thumbnails_dataurl' config parameter has been added to the images driver.
Permissions
-----------
The 'max_bodysize' permission has been added.
Preferences (prefs.php)
-----------------------
The following preferences have been added::
signature_show_compose
The following preferences have been removed::
default_msg_charset
mail_domain
mimp_download_confirm
mimp_inline_all
mimp_preview_msg
pgp_scan_body
The default value for the following preferences have been changed::
ckeditor_buttons
API Changes
-----------
These API calls have been changed::
- mailboxList
Added the 'subscribed' return value.
Upgrading IMP From 6.1.x To 6.1.4
=================================
Hooks (hooks.php)
-----------------
The 'trailer' hook now has two additional parameters in addition to the
previously existing $html parameter: $identity and $to. Further details on
the content of these parameters can be found in hooks.php.dist.
Upgrading IMP From 6.0.x To 6.1
===============================
Server Options (backends.php)
-----------------------------
Sorting on non-IMAP servers, or IMAP servers that do not support the SORT
extension, has been disabled by default in IMP 6.1. To restore the old
behavior (NOT RECOMMENDED), see the 'sort_force' option in
``config/backends.local.php``.
The 'debug' option has been added to the SMTP configuration.
IMAP/POP caching can now be done using database backends (see documentation
for the 'cache' parameter).
The following quota drivers have been removed::
Command
Maildir
Mdaemon
Mercury32
Sql
Configuration Options (conf.php)
--------------------------------
The $conf['user']['allow_folders'] option has been removed. This can now be
set per-backend using the Horde permissions system.
The $conf['server']['fixed_folders'] option has been removed. Preventing
actions on a specific mailbox can be controlled via native IMAP ACLs or,
alternatively, by the 'mbox_acl' hook.
The $conf['user']['autocreate_special'] option has been removed. This can now
be set on a per-backend basis in ``config/backends.local.php``
('autocreate_special' option).
The $conf['msgsettings']['filtering'] and $conf['msgsettings']['replacement']
options have been removed. This feature has been moved to the 'msg_filter'
hook.
The following spam-reporting options have been removed and can now be
configured per-backend in ``config/backends.local.php``::
$conf['notspam']['email']
$conf['notspam']['email_format']
$conf['notspam']['program']
$conf['notspam']['reporting']
$conf['notspam']['spamfolder']
$conf['spam']['email']
$conf['spam']['email_format']
$conf['spam']['program']
$conf['spam']['reporting']
$conf['spam']['spamfolder']
The following options have been added::
$conf['pgp']['keylength']
The following options have been removed::
$conf['compose']['link_all_attachments']
Hooks (hooks.php)
-----------------
The 'attach_body_check' hook has been added. This hook handles the attachment
word checking code that previously was provided as an example in the
'pre_sent' hook.
The 'compose_attach' hook has been removed and replaced by the
'compose_attachment' hook. Both hooks are designed for the same purpose;
however, the arguments have been completely changed so it is safest to
entirely deprecate usage of the previous hook.
The 'mbox_readonly' hook has been removed. Mailbox permissions can instead be
controlled via native IMAP ACLs or, alternatively, by the 'mbox_acl' hook.
The 'mbox_special' hook has been removed. Additional special mailboxes can
now be defined per-backend in ``config/backends.local.php``.
The 'mailboxarray' and 'msglist_flags' hooks have been altered to remove the
second argument ($mode). If the current view mode is needed, it can be
obtained via a call to $GLOBALS['registry']->getView().
The 'spam_email' hook has been removed. This configuration can now be defined
per-backend in ``config/backends.local.php``.
The $html argument to the 'trailer' hook has been added.
The following hooks have been added::
mbox_acl
msg_filter
The following hooks have been removed::
dimp_messageview
dimp_previewview
mimp_advanced
signature
MIME Viewer Options (mime_drivers.php)
--------------------------------------
Thumbnails can now be disabled for images and PDF attachments.
Thumbnails are now automatically generated for video attachments if the ffmpeg
binary is present on your system. This is enabled by default.
Permissions
-----------
IMP permissions are now applied per backend. To upgrade existing permissions,
an admin needs to run the following script::
bin/imp-admin-upgrade --task=backend_perms
Preferences (prefs.php)
-----------------------
The default values for these preferences have been changed::
request_mdn
The following preferences are no longer used and may be safely removed from
your preference backend (only after all users have logged in - these
preferences MAY be used to automatically upgrade to new preferences when
a user logs into IMP 6 for the first time)::
compose_bcc
compose_cc
link_attach
API Changes
-----------
These API calls have been added::
- getMaillog
- getMaillogChanges
- logMaillog
Upgrading IMP From 5.x To 6.x
=============================
The basic view now requires javascript support on the browser. If not
available, the user will automatically be redirected to the minimal view.
Server Options (backends.php)
-----------------------------
The 'namespace' option now requires the namespaces to be in the UTF-8 charset,
not UTF7-IMAP.
The 'smtphost' and 'smtpport' options have been removed. They have been
replaced by the 'smtp' option, which allows ALL available SMTP configuration
options to be overriden.
The 'admin' option has been changed: optional configuration parameters should
live within the base 'admin' array rather than a 'params' array within the
base.
Configuration Options (conf.php)
--------------------------------
The $conf['fixed_folders'] option now requires the mailboxes to be in the
UTF-8 charset, not UTF7-IMAP.
The $conf['compose']['link_attach_size_limit'] option was added.
The $conf['print']['add_printedby'] option was removed and replaced by the
'add_printedby' preference.
The $conf['user']['select_sentmail_folder'] option was removed. To prevent
changing the sentmail mailbox, the 'sent_mail_folder' preference should be
locked instead.
The following configuration options were removed::
$conf['dimp']['viewport']['buffer_pages']
$conf['dimp']['viewport']['viewport_wait']
MIME Viewer Options (mime_drivers.php)
--------------------------------------
The 'safe_addrs' option has been removed from the Images driver config.
To set the default list of e-mail addresses that should be considered "safe",
the 'image_replacement_addrs' preference can now be used.
Hooks (hooks.php)
-----------------
The 'mbox_sort' and 'mbox_special' hooks have been added.
The 'dimp_addressformatting' hook has been removed.
The $action parameter for reporting not spam message to the 'spam_email' and
'post_spam' hooks has been changed from 'ham' to 'innocent'.
Preferences (prefs.php)
-----------------------
The default values for these preferences have been changed::
drafts_folder
sent_mail_folder
spam_folder
trash_folder
The following preferences are no longer used and may be safely removed from
your preference backend (only after all users have logged in - these
preferences MAY be used to automatically upgrade to new preferences when
a user logs into IMP 6 for the first time)::
dimp_qsearch_field
dimp_show_preview
dimp_splitbar
dimp_splitbar_vert
dimp_toggle_headers
dynamic_view
image_addrbook
move_ham_after_report
sig_first
stationery
The 'cursor_compose' preference removed the 'sig' option. Existing preferences
will automatically be converted to 'bottom'.
The 'save_attachments' preference removed the 'prompt_yes' and 'prompt_no'
options. Existing preferences will automatically be converted.
The 'add_printedby', 'image_replacement_addrs', 'reply_charset', and
'reply_strip_sig' preferences were added.
The 'forward_default' preference now contains the 'editasnew' option.
API Changes
-----------
- copyMessages
The $mailbox and $target parameters are now required to be UTF-8 strings.
- createFolder
This call has been removed (replaced with 'createMailbox').
- deleteMessages
The $mailbox parameter is now required to be a UTF-8 string.
- flagMessages
The $mailbox parameter is now required to be a UTF-8 string.
- folderlist
This call has been removed (replaced with 'mailboxList').
- moveMessages
The $mailbox and $target parameters are now required to be UTF-8 strings.
- searchMailbox
The $mailbox parameter is now required to be a UTF-8 string.
Compose: Linked Attachments
---------------------------
Linking attachments is no longer a user-configurable action. If enabled, ALL
attachments are now linked unless the size of the attachment is less than
$conf['compose']['link_attach_threshold'].
Upgrading IMP From 5.0.x To 5.0.22
==================================
Configuration (conf.php)
------------------------
The $conf['spam']['email_format'] and $conf['notspam']['email_format']
configuration options have been added.
Upgrading IMP From 5.0.x To 5.0.20
==================================
Preferences (prefs.php)
-----------------------
The 'delhide_trash' preference has been added.
Upgrading IMP From 5.0.x To 5.0.15
==================================
Preferences (prefs.php)
-----------------------
The 'delete_mark_seen' preference has been added.
Upgrading IMP From 5.0.x To 5.0.14
==================================
Preferences (prefs.php)
-----------------------
The 'reply_lang' preference has been added.
Upgrading IMP From 5.0.x To 5.0.12
==================================
MIME Viewer Options (mime_drivers.php)
--------------------------------------
The 'allthumbs' option has been removed from the HTML driver. Image thumbnail
previews are now always shown if an image conversion utility is present on the
system.
Upgrading IMP From 5.0.x To 5.0.10
==================================
Configuration Options (conf.php)
--------------------------------
The 'allow_resume_all' option has been removed. Only messages specifically
marked as drafts can be resumed; however, all messages are given the option
to "Edit As New".
Upgrading IMP From 4.x To 5.x
=============================
This is a non-exhaustive, quick explanation of what has changed between an IMP
4.x installation to IMP 5.x.
HTML GUI editor
---------------
IMP only supports the CKeditor javascript HTML rich text editor. Xinha is no
longer supported.
Button configuration is now stored in the prefs value 'ckeditor_buttons'.
Server Options (backends.php; OLD servers.php)
----------------------------------------------
The format of servers.php has changed and has been renamed to backends.php.
The 'realm' option has been removed. Altering usernames at runtime should
instead by accomplished by using Horde's 'authusername' and/or IMP's
'preauthenticate' hooks.
Configuration Options (conf.php)
--------------------------------
Configuration relating to displaying the terms of agreement, GnuPG, OpenSSL,
spellchecking, and login redirection have been moved to Horde.
The 'show_preview' option has been removed; enabling previews is now handled
by the 'show_preview' preference.
The 'allow_resume_all_in_drafts' option has been removed; all messages that
appear in the configured Drafts mailbox are now always allowed to be resumed.
The 'css_files' configuration option for the dynamic (dimp) display has been
removed. Equivalent behavior can now be found in the Horde-wide 'cssfiles'
hook.
The 'max_from_chars' and 'max_subj_chars' configuration options for the
minimal (mimp) display have been removed.
The following configuration options have been removed::
allow_receipts
append_trailer
cache_folders
limit_factor
prepend_header
show_account_colors
size_limit
sort_limit
Preferences (prefs.php)
-----------------------
The 'sending_charset' and 'time_format' preferences have been moved to Horde.
The following preferences are no longer used and may be safely removed from
your preference backend::
attachment_display
auto_delete_drafts
delete_attachments_monthly
delete_sentmail_monthly
dimp_login_view
disposition_request_read
disposition_send_mdn
fckeditor_buttons
fetchmail_link
fetchmail_menu
filter_on_sidebar
forward_bodytext
image_addrbook
image_replacement
nav_audio
nav_expanded_sidebar
nav_popup
purge_sentmail
purge_spam
purge_trash
use_vinbox
use_vtrash
vinbox_id
vtrash_id
Hooks (hooks.php)
-----------------
The format of hooks.php has changed. See horde/docs/UPGRADING for more
information.
The 'vinfo' hook has been removed. Use Horde's 'authusername' and/or IMP's
'preauthenticate' hooks instead.
The 'msglist_format' hook has been removed. X-Priority header handling is now
handled in the core IMP code. Attachment icon display is now handled by the
'atc_flag' preference. The 'msglist_flags' hook is now used to dynamically
set flags on messages.
Custom Message Headers (OLD header.php)
---------------------------------------
The header.php configuration file has been removed. Setting custom headers
is now done in the 'pre_sent' hook.
Custom Message Trailers (OLD trailer.txt)
-----------------------------------------
The trailer.txt file has been removed. Setting message trailers is now done
in the 'trailer' hook.
Fetchmail
---------
All code relating to fetchmail has been removed.
Flags
-----
The list of available IMAP Flags/Keywords is now configurable via the
'msgflags' preference.
The \Answered, \Deleted, and \Draft IMAP flags are no longer user settable
by default - these flags have special meanings and are automatically handled
by the various message action functions instead.
Menu
----
The dynamic view (DIMP) no longer supports the 'action' parameter located
in config/menu.php.
Portal
------
Portal rendering has been moved to Horde - config/portal.php is no longer
needed or used.
Upgrading IMP From 4.1.x To 4.2.x
=================================
This is a non-exhaustive, quick explanation of what has changed between an IMP
4.1.x installation to IMP 4.2.x.
SQL Backend
-----------
An SQL table has been added that can be used to track sent messages. This is
necessary to provide users with the "favourite recipients" address book, and
for message rate throttling.
Execute the provided SQL script to add the table to your database, e.g.::
mysql --user=root --password=<MySQL-root-password> <db name> < scripts/sql/imp.sql
Unified IMAP Quota Driver
-------------------------
Separate quota drivers for Cyrus and Courier servers are no longer
necessary. These drivers have been replaced by a generic IMAP driver that
should also be suitable for other IMAP servers that support the QUOTA
extension. Update ``config/servers.php`` and change the 'quota' => 'driver'
setting to 'imap'.
Application Hooks
-----------------
All hooks that are specific to IMP have been moved from the
``horde/config/hooks.php`` file. Move your existing IMP Hooks from there to
``imp/config/hooks.php``.
User-Defined Mailbox Icons
--------------------------
The usage of the hook ``_imp_hook_mbox_icons()`` has changed. If you use this
hook, make sure you change your implementation so it returns the correct
value.
Changed Preferences
-------------------
The default values for the mailbox preferences 'sent_mail_folder',
'drafts_folder', and 'trash_folder' have been changed and localized. Use the
old values to prohibit the creation of duplicate mailboxes for users that
didn't explicitly set the mailboxes in their preferences.
The following preferences are no longer used and may be safely removed from
your ``config/prefs.php`` file and your preferences backend::
'auto_expand'
'num_words'
The 'mail_hdr' preferences has been moved from the identities to a regular
preference. Existing user preferences are no longer used and have to be
re-created by the users.
New Message List Format Hook
----------------------------
The new hook ``_imp_hook_msglist_format()`` has been added which allows the
formatting of a message entry in the mailbox message list to be altered
at the time the list is created. This hook has made the following
configuration options obsolete::
$conf['mailbox']['show_attachments']
$conf['mailbox']['show_xpriority']
If you wish to continue using the functionality previously provided by these
options, you should activate the msglist_format hook in ``config/conf.php``.
The sample hook contained in ``config/hooks.php`` contains the code necessary
to replicate the previous behavior.
Spell Checking
--------------
The ``pspell`` driver is no longer supported since it does not work with
HTML messages. If using pspell, you must upgrade to aspell version 0.60+.
Javascript HTML Editor
----------------------
Support has been added for FCKeditor as an option for the javascript HTML
editor available on the compose page. You must have Horde 3.2 or later
installed to use this editor.
Upgrading IMP From 4.0.x To 4.1.x
=================================
This is a non-exhaustive, quick explanation of what has changed between an IMP
4.0.x installation to IMP 4.1.x.
Automatic Namespace Detection
-----------------------------
The ``namespace``, ``hierarchies``, ``folders``, ``delimiter``, and
``dotfiles`` parameters were removed from ``config/servers.php``. Namespaces
are now automatically configured pursuant to RFC 2342.
If using the UW IMAP daemon, you may notice a bunch of additional namespaces
that were not displayed before as well as the ability of the user to
view all files that live in their home directory via the folders screen.
Information on how to correct your IMAP server configuration can be found at
http://wiki.horde.org/ImpUWIMAPNamespaces
User-Defined Headers
--------------------
The ``config/headers.txt`` file has been removed and replaced by
``config/headers.php``. Any user-defined headers should be migrated to this
file. The new file has the advantage of allowing any valid PHP expression
to be executed at run-time when generating the headers. See the top of
the ``headers.php`` file for the new format required.
Removed Preferences
-------------------
The following preferences are no longer used and may be safely removed from
your ``config/prefs.php`` file and your preferences backend::
'disposition_request_delivery'
'wrap_width'
Virtual Folders
---------------
The format for saved Virtual Folders has changed. To convert to the new
format you must run the script located at
``scripts/upgrades/convert_vfolders.php``.
.. _INSTALL: INSTALL
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