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guix/gnu/build/jami-service.scm
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Maxim Cournoyer 10482f731e Reapply "Update Maxim's email address." 
This reverts commit a7db92d9b3, this time with
the more careful command, to avoid a world rebuild:

grep -rl --exclude-dir=build --exclude-dir=patches --exclude=ld-wrapper.in \
  --exclude=sitecustomize.py --exclude=guix-emacs.el maxim.cournoyer@gmail.com |
  xargs sed -i 's/maxim.cournoyer@gmail.com/maxim@guixotic.coop/g'

Change-Id: I0871f5cf9ace79e34e78e24154d0da6ea95a3a91
2025-09-18 13:44:12 +09:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021, 2022 Maxim Cournoyer <maxim@guixotic.coop>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;;
;;; This module contains helpers used as part of the jami-service-type
;;; definition.
;;;
;;; Code:
(define-module (gnu build jami-service)
#:use-module (gnu build dbus-service)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (ice-9 rdelim)
#:use-module (ice-9 regex)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (jami-service-available?
account-fingerprint?
account-details->recutil
get-accounts
get-usernames
set-account-details
add-account
account->username
username->account
username->contacts
enable-account
disable-account
add-contact
remove-contact
set-all-moderators
set-moderator
username->all-moderators?
username->moderators))
;;;
;;; Utilities.
;;;
(define (alist->list alist)
"Flatten ALIST into a list."
(append-map (match-lambda
(() '())
((key . value)
(list key value)))
alist))
(define account-fingerprint-rx (make-regexp "[0-9A-Fa-f]{40}"))
(define (account-fingerprint? val)
"A Jami account fingerprint is 40 characters long and only contains
hexadecimal characters."
(and (string? val)
(regexp-exec account-fingerprint-rx val)))
(define (validate-fingerprint fingerprint)
"Validate that fingerprint is 40 characters long."
(unless (account-fingerprint? fingerprint)
(error "Account fingerprint is not valid:" fingerprint)))
(define (jami-service-available?)
"Whether the Jami D-Bus service was acquired by the D-Bus daemon."
(unless (%current-dbus-connection)
(initialize-dbus-connection!))
(dbus-service-available? "cx.ring.Ring"))
;;;
;;; Bindings for the Jami D-Bus API.
;;;
(define* (call-configuration-manager-method method #:optional arguments
#:key timeout)
"Query the Jami D-Bus ConfigurationManager interface with METHOD applied to
ARGUMENTS. TIMEOUT can optionally be provided as a value in seconds."
(unless (%current-dbus-connection)
(initialize-dbus-connection!))
(call-dbus-method method
#:path "/cx/ring/Ring/ConfigurationManager"
#:destination "cx.ring.Ring"
#:interface "cx.ring.Ring.ConfigurationManager"
#:arguments arguments
#:timeout timeout))
;;; The following methods are for internal use; they make use of the account
;;; ID, an implementation detail of Jami the user should not need to be
;;; concerned with.
(define (get-account-ids)
"Return the available Jami account identifiers (IDs). Account IDs are an
implementation detail used to identify the accounts in Jami."
(vector->list (call-configuration-manager-method "getAccountList")))
(define (id->account-details id)
"Retrieve the account data associated with the given account ID."
(vector->list (call-configuration-manager-method "getAccountDetails"
(list id))))
(define (id->volatile-account-details id)
"Retrieve the account data associated with the given account ID."
(vector->list (call-configuration-manager-method "getVolatileAccountDetails"
(list id))))
(define (id->account id)
"Retrieve the complete account data associated with the given account ID."
(append (id->volatile-account-details id)
(id->account-details id)))
(define %username-to-id-cache #f)
(define (invalidate-username-to-id-cache!)
(set! %username-to-id-cache #f))
(define (username->id username)
"Return the first account ID corresponding to USERNAME."
(unless (assoc-ref %username-to-id-cache username)
(set! %username-to-id-cache
(append-map
(lambda (id)
(let* ((account (id->account id))
(username (assoc-ref account "Account.username"))
(registered-name (assoc-ref account
"Account.registeredName")))
`(,@(if username
(list (cons username id))
'())
,@(if registered-name
(list (cons registered-name id))
'()))))
(get-account-ids))))
(or (assoc-ref %username-to-id-cache username)
(let ((message (format #f "no account ID for ~:[username~;fingerprint~]"
(account-fingerprint? username))))
(error message username))))
(define (account->username account)
"Return the public key fingerprint of ACCOUNT."
(assoc-ref account "Account.username"))
(define (id->username id)
"Return the public key fingerprint corresponding to account with ID, else #f."
(account->username (id->account id)))
(define (get-accounts)
"Return the list of all accounts, as a list of alists."
(map id->account (get-account-ids)))
(define (get-usernames)
"Return the list of the usernames associated with the present accounts."
(map account->username (get-accounts)))
(define (username->account username)
"Return the first account associated with USERNAME, else #f.
USERNAME can be either the account 40 characters public key fingerprint or a
registered username."
(find (lambda (account)
(member username
(list (assoc-ref account "Account.username")
(assoc-ref account "Account.registeredName"))))
(get-accounts)))
(define (add-account archive)
"Import the Jami account ARCHIVE and return its account ID. The archive
should *not* be encrypted with a password. Return the username associated
with the account."
(invalidate-username-to-id-cache!)
(let ((id (call-configuration-manager-method
"addAccount" (list `#(("Account.archivePath" . ,archive)
("Account.type" . "RING"))))))
;; The account information takes some time to be populated.
(with-retries 20 1
(let ((username (id->username id)))
(if (and=> username (negate string-null?))
username
#f)))))
(define (remove-account username)
"Delete the Jami account associated with USERNAME, the account 40 characters
fingerprint or a registered username."
(let ((id (username->id username)))
(call-configuration-manager-method "removeAccount" (list id)))
(invalidate-username-to-id-cache!))
(define* (username->contacts username)
"Return the contacts associated with the account of USERNAME as two values;
the first one being the regular contacts and the second one the banned
contacts. USERNAME can be either the account 40 characters public key
fingerprint or a registered username. The contacts returned are represented
using their 40 characters fingerprint."
(let* ((id (username->id username))
;; The contacts are returned as "aa{ss}", that is, an array of arrays
;; containing (string . string) pairs.
(contacts (map vector->list
(vector->list (call-configuration-manager-method
"getContacts" (list id)))))
(banned? (lambda (contact)
(and=> (assoc-ref contact "banned")
(cut string=? "true" <>))))
(banned (filter banned? contacts))
(not-banned (filter (negate banned?) contacts))
(fingerprint (cut assoc-ref <> "id")))
(values (map fingerprint not-banned)
(map fingerprint banned))))
(define* (remove-contact contact username #:key ban?)
"Remove CONTACT, the 40 characters public key fingerprint of a contact, from
the account associated with USERNAME (either a fingerprint or a registered
username). When BAN? is true, also mark the contact as banned."
(validate-fingerprint contact)
(let ((id (username->id username)))
(call-configuration-manager-method "removeContact" (list id contact ban?))))
(define (add-contact contact username)
"Add CONTACT, the 40 characters public key fingerprint of a contact, to the
account of USERNAME (either a fingerprint or a registered username)."
(validate-fingerprint contact)
(let ((id (username->id username)))
(call-configuration-manager-method "addContact" (list id contact))))
(define* (set-account-details details username #:key timeout)
"Set DETAILS, an alist containing the key value pairs to set for the account
of USERNAME, a registered username or account fingerprint. The value of the
parameters not provided are unchanged. TIMEOUT is a value in milliseconds to
pass to the `call-configuration-manager-method' procedure."
(let* ((id (username->id username))
(current-details (id->account-details id))
(updated-details (map (match-lambda
((key . value)
(or (and=> (assoc-ref details key)
(cut cons key <>))
(cons key value))))
current-details)))
(call-configuration-manager-method
"setAccountDetails" (list id (list->vector updated-details))
#:timeout timeout)))
(define (set-all-moderators enabled? username)
"Set the 'AllModerators' property to enabled? for the account of USERNAME, a
registered username or account fingerprint."
(let ((id (username->id username)))
(call-configuration-manager-method "setAllModerators" (list id enabled?))))
(define (username->all-moderators? username)
"Return the 'AllModerators' property for the account of USERNAME, a
registered username or account fingerprint."
(let ((id (username->id username)))
(call-configuration-manager-method "isAllModerators" (list id))))
(define (username->moderators username)
"Return the moderators for the account of USERNAME, a registered username or
account fingerprint."
(let* ((id (username->id username)))
(vector->list (call-configuration-manager-method "getDefaultModerators"
(list id)))))
(define (set-moderator contact enabled? username)
"Set the moderator flag to ENABLED? for CONTACT, the 40 characters public
key fingerprint of a contact for the account of USERNAME, a registered
username or account fingerprint."
(validate-fingerprint contact)
(let* ((id (username->id username)))
(call-configuration-manager-method "setDefaultModerator"
(list id contact enabled?))))
(define (disable-account username)
"Disable the account known by USERNAME, a registered username or account
fingerprint."
(set-account-details '(("Account.enable" . "false")) username
;; Waiting for the reply on this command takes a very
;; long time that trips the default D-Bus timeout value
;; (25 s), for some reason.
#:timeout 60))
(define (enable-account username)
"Enable the account known by USERNAME, a registered username or account
fingerprint."
(set-account-details '(("Account.enable" . "true")) username))
;;;
;;; Presentation procedures.
;;;
(define (.->_ text)
"Map each period character to underscore characters."
(string-map (match-lambda
(#\. #\_)
(c c))
text))
(define (account-details->recutil account-details)
"Serialize the account-details alist into a recutil string. Period
characters in the keys are normalized to underscore to meet Recutils' format
requirements."
(define (pair->recutil-property pair)
(match pair
((key . value)
(string-append (.->_ key) ": " value))))
(define sorted-account-details
;; Have the account username, display name and alias appear first, for
;; convenience.
(let ((first-items '("Account.username"
"Account.displayName"
"Account.alias")))
(append (map (cut assoc <> account-details) first-items)
(fold alist-delete account-details first-items))))
(string-join (map pair->recutil-property sorted-account-details) "\n"))
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