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authorMaxim Cournoyer <maxim.cournoyer@gmail.com>2021-08-02 15:48:59 -0400
committerMaxim Cournoyer <maxim.cournoyer@gmail.com>2021-08-02 15:48:59 -0400
commit4673f817938d9d2b1b40a072ab2e0c44a32ccc97 (patch)
treed3f12240903c4b2631849b2eff660ba0aa55dfec /gnu/build
parent69dcc24c9f0cdfea674eb690e7755d26a25ced2b (diff)
downloadguix-4673f817938d9d2b1b40a072ab2e0c44a32ccc97.tar.gz
Revert "services: Add a service for Jami."
This reverts commit 69dcc24c9f0cdfea674eb690e7755d26a25ced2b.  It broke 'guix
pull'.
Diffstat (limited to 'gnu/build')
-rw-r--r--gnu/build/jami-service.scm587
1 files changed, 0 insertions, 587 deletions
diff --git a/gnu/build/jami-service.scm b/gnu/build/jami-service.scm
deleted file mode 100644
index d44e87387d..0000000000
--- a/gnu/build/jami-service.scm
+++ /dev/null
@@ -1,587 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
-;;;
-;;; 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 (ice-9 format)
-  #:use-module (ice-9 match)
-  #:use-module (ice-9 peg)
-  #:use-module (ice-9 rdelim)
-  #:use-module (ice-9 regex)
-  #:use-module (rnrs io ports)
-  #:autoload (shepherd service) (fork+exec-command)
-  #:use-module (srfi srfi-1)
-  #:use-module (srfi srfi-26)
-  #:export (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
-
-            dbus-available-services
-            dbus-service-available?
-
-            %send-dbus-binary
-            %send-dbus-bus
-            %send-dbus-user
-            %send-dbus-group
-            %send-dbus-debug
-            send-dbus
-
-            with-retries))
-
-;;;
-;;; Utilities.
-;;;
-
-(define-syntax-rule (with-retries n delay body ...)
-  "Retry the code in BODY up to N times until it doesn't raise an exception
-nor return #f, else raise an error.  A delay of DELAY seconds is inserted
-before each retry."
-  (let loop ((attempts 0))
-    (catch #t
-      (lambda ()
-        (let ((result (begin body ...)))
-          (if (not result)
-              (error "failed attempt" attempts)
-              result)))
-      (lambda args
-        (if (< attempts n)
-            (begin
-              (sleep delay)             ;else wait and retry
-              (loop (+ 1 attempts)))
-            (error "maximum number of retry attempts reached"
-                   body ... args))))))
-
-(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-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)))
-
-
-;;;
-;;; D-Bus reply parser.
-;;;
-
-(define (parse-dbus-reply reply)
-  "Return the parse tree of REPLY, a string returned by the 'dbus-send'
-command."
-  ;; Refer to 'man 1 dbus-send' for the grammar reference.  Note that the
-  ;; format of the replies doesn't match the format of the input, which is the
-  ;; one documented, but it gives an idea.  For an even better reference, see
-  ;; the `print_iter' procedure of the 'dbus-print-message.c' file from the
-  ;; 'dbus' package sources.
-  (define-peg-string-patterns
-    "contents <- header (item / container (item / container*)?)
-     item <-- WS type WS value NL
-     container <- array / dict / variant
-     array <-- array-start (item / container)* array-end
-     dict <-- array-start dict-entry* array-end
-     dict-entry <-- dict-entry-start item item dict-entry-end
-     variant <-- variant-start item
-     type <-- 'string' / 'int16' / 'uint16' / 'int32' / 'uint32' / 'int64' /
-              'uint64' / 'double' / 'byte' / 'boolean' / 'objpath'
-     value <-- (!NL .)* NL
-     header < (!NL .)* NL
-     variant-start < WS 'variant'
-     array-start < WS 'array [' NL
-     array-end < WS ']' NL
-     dict-entry-start < WS 'dict entry(' NL
-     dict-entry-end < WS ')' NL
-     DQ < '\"'
-     WS < ' '*
-     NL < '\n'*")
-
-  (peg:tree (match-pattern contents reply)))
-
-(define (strip-quotes text)
-  "Strip the leading and trailing double quotes (\") characters from TEXT."
-  (let* ((text* (if (string-prefix? "\"" text)
-                    (string-drop text 1)
-                    text))
-         (text** (if (string-suffix? "\"" text*)
-                     (string-drop-right text* 1)
-                     text*)))
-    text**))
-
-(define (deserialize-item item)
-  "Return the value described by the ITEM parse tree as a Guile object."
-  ;; Strings are printed wrapped in double quotes (see the print_iter
-  ;; procedure in dbus-print-message.c).
-  (match item
-    (('item ('type "string") ('value value))
-     (strip-quotes value))
-    (('item ('type "boolean") ('value value))
-     (if (string=? "true" value)
-         #t
-         #f))
-    (('item _ ('value value))
-     value)))
-
-(define (serialize-boolean bool)
-  "Return the serialized format expected by dbus-send for BOOL."
-  (format #f "boolean:~:[false~;true~]" bool))
-
-(define (dict->alist dict-parse-tree)
-  "Translate a dict parse tree to an alist."
-  (define (tuples->alist tuples)
-    (map (lambda (x) (apply cons x)) tuples))
-
-  (match dict-parse-tree
-    ('dict
-     '())
-    (('dict ('dict-entry keys values) ...)
-     (let ((keys* (map deserialize-item keys))
-           (values* (map deserialize-item values)))
-       (tuples->alist (zip keys* values*))))))
-
-(define (array->list array-parse-tree)
-  "Translate an array parse tree to a list."
-  (match array-parse-tree
-    ('array
-     '())
-    (('array items ...)
-     (map deserialize-item items))))
-
-
-;;;
-;;; Low-level, D-Bus-related procedures.
-;;;
-
-;;; The following parameters are used in the jami-service-type service
-;;; definition to conveniently customize the behavior of the send-dbus helper,
-;;; even when called indirectly.
-(define %send-dbus-binary (make-parameter "dbus-send"))
-(define %send-dbus-bus (make-parameter #f))
-(define %send-dbus-user (make-parameter #f))
-(define %send-dbus-group (make-parameter #f))
-(define %send-dbus-debug (make-parameter #f))
-
-(define* (send-dbus #:key service path interface method
-                    bus
-                    dbus-send
-                    user group
-                    timeout
-                    arguments)
-  "Return the response of DBUS-SEND, else raise an error.  Unless explicitly
-provided, DBUS-SEND takes the value of the %SEND-DBUS-BINARY parameter.  BUS
-can be used to specify the bus address, such as 'unix:path=/var/run/jami/bus'.
-Alternatively, the %SEND-DBUS-BUS parameter can be used.  ARGUMENTS can be
-used to pass input values to a D-Bus method call.  TIMEOUT is the amount of
-time to wait for a reply in milliseconds before giving up with an error.  USER
-and GROUP allow choosing under which user/group the DBUS-SEND command is
-executed.  Alternatively, the %SEND-DBUS-USER and %SEND-DBUS-GROUP parameters
-can be used instead."
-  (let* ((command `(,(if dbus-send
-                         dbus-send
-                         (%send-dbus-binary))
-                    ,@(if (or bus (%send-dbus-bus))
-                          (list (string-append "--bus="
-                                               (or bus (%send-dbus-bus))))
-                          '())
-                    "--print-reply"
-                    ,@(if timeout
-                          (list (format #f "--reply-timeout=~d" timeout))
-                          '())
-                    ,(string-append "--dest=" service) ;e.g., cx.ring.Ring
-                    ,path            ;e.g., /cx/ring/Ring/ConfigurationManager
-                    ,(string-append interface "." method)
-                    ,@(or arguments '())))
-         (temp-port (mkstemp! (string-copy "/tmp/dbus-send-output-XXXXXXX")))
-         (temp-file (port-filename temp-port)))
-    (dynamic-wind
-      (lambda ()
-        (let* ((uid (or (and=> (or user (%send-dbus-user))
-                               (compose passwd:uid getpwnam)) -1))
-               (gid (or (and=> (or group (%send-dbus-group))
-                               (compose group:gid getgrnam)) -1)))
-          (chown temp-port uid gid)))
-      (lambda ()
-        (let ((pid (fork+exec-command command
-                                      #:user (or user (%send-dbus-user))
-                                      #:group (or group (%send-dbus-group))
-                                      #:log-file temp-file)))
-          (match (waitpid pid)
-            ((_ . status)
-             (let ((exit-status (status:exit-val status))
-                   (output (call-with-port temp-port get-string-all)))
-               (if (= 0 exit-status)
-                   output
-                   (error "the send-dbus command exited with: "
-                          command exit-status output)))))))
-      (lambda ()
-        (false-if-exception (delete-file temp-file))))))
-
-(define (parse-account-ids reply)
-  "Return the Jami account IDs from REPLY, which is assumed to be the output
-of the Jami D-Bus `getAccountList' method."
-  (array->list (parse-dbus-reply reply)))
-
-(define (parse-account-details reply)
-  "Parse REPLY, which is assumed to be the output of the Jami D-Bus
-`getAccountDetails' method, and return its content as an alist."
-  (dict->alist (parse-dbus-reply reply)))
-
-(define (parse-contacts reply)
-  "Parse REPLY, which is assumed to be the output of the Jamid D-Bus
-`getContacts' method, and return its content as an alist."
-  (match (parse-dbus-reply reply)
-    ('array
-     '())
-    (('array dicts ...)
-     (map dict->alist dicts))))
-
-
-;;;
-;;; Higher-level, D-Bus-related procedures.
-;;;
-
-(define (validate-fingerprint fingerprint)
-  "Validate that fingerprint is 40 characters long."
-  (unless (account-fingerprint? fingerprint)
-    (error "Account fingerprint is not valid:" fingerprint)))
-
-(define (dbus-available-services)
-  "Return the list of available (acquired) D-Bus services."
-  (let ((reply (parse-dbus-reply
-                (send-dbus #:service "org.freedesktop.DBus"
-                           #:path "/org/freedesktop/DBus"
-                           #:interface "org.freedesktop.DBus"
-                           #:method "ListNames"))))
-    ;; Remove entries such as ":1.7".
-    (remove (cut string-prefix? ":" <>)
-            (array->list reply))))
-
-(define (dbus-service-available? service)
-  "Predicate to check for the D-Bus SERVICE availability."
-  (member service (dbus-available-services)))
-
-(define* (send-dbus/configuration-manager #:key method arguments timeout)
-  "Query the Jami D-Bus ConfigurationManager service."
-  (send-dbus #:service "cx.ring.Ring"
-             #:path "/cx/ring/Ring/ConfigurationManager"
-             #:interface "cx.ring.Ring.ConfigurationManager"
-             #:method method
-             #: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."
-  (parse-account-ids
-   (send-dbus/configuration-manager #:method "getAccountList")))
-
-(define (id->account-details id)
-  "Retrieve the account data associated with the given account ID."
-  (parse-account-details
-   (send-dbus/configuration-manager
-    #:method "getAccountDetails"
-    #:arguments (list (string-append "string:" id)))))
-
-(define (id->volatile-account-details id)
-  "Retrieve the account data associated with the given account ID."
-  (parse-account-details
-   (send-dbus/configuration-manager
-    #:method "getVolatileAccountDetails"
-    #:arguments (list (string-append "string:" 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 "Could not retrieve a local account ID\
- for ~:[username~;fingerprint~]" (account-fingerprint? username))))
-        (error message username))))
-
-(define (account->username account)
-  "Return USERNAME, the registered username associated with ACCOUNT, else its
-public key fingerprint."
-  (or (assoc-ref account "Account.registeredName")
-      (assoc-ref account "Account.username")))
-
-(define (id->username id)
-  "Return USERNAME, the registered username associated with ID, else its
-public key fingerprint, 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 ((reply (send-dbus/configuration-manager
-                #:method "addAccount"
-                #:arguments (list (string-append
-                                   "dict:string:string:Account.archivePath,"
-                                   archive
-                                   ",Account.type,RING")))))
-    ;; The account information takes some time to be populated.
-    (let ((id (deserialize-item (parse-dbus-reply reply))))
-      (with-retries 20 1
-        (let ((username (id->username id)))
-          (if (string-null? username)
-              #f
-              username))))))
-
-(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)))
-    (send-dbus/configuration-manager
-     #:method "removeAccount"
-     #:arguments (list (string-append "string:" 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))
-         (reply (send-dbus/configuration-manager
-                 #:method "getContacts"
-                 #:arguments (list (string-append "string:" id))))
-         (all-contacts (parse-contacts reply))
-         (banned? (lambda (contact)
-                    (and=> (assoc-ref contact "banned")
-                           (cut string=? "true" <>))))
-         (banned (filter banned? all-contacts))
-         (not-banned (filter (negate banned?) all-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)))
-    (send-dbus/configuration-manager
-     #:method "removeContact"
-     #:arguments (list (string-append "string:" id)
-                       (string-append "string:" contact)
-                       (serialize-boolean 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)))
-    (send-dbus/configuration-manager
-     #:method "addContact"
-     #:arguments (list (string-append "string:" id)
-                       (string-append "string:" 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 `send-dbus/configuration-manager' 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))
-         ;; dbus-send does not permit sending null strings (it throws a
-         ;; "malformed dictionary" error).  Luckily they seem to have the
-         ;; semantic of "default account value" in Jami; so simply drop them.
-         (updated-details* (remove (match-lambda
-                                     ((_ . value)
-                                      (string-null? value)))
-                                   updated-details)))
-    (send-dbus/configuration-manager
-     #:timeout timeout
-     #:method "setAccountDetails"
-     #:arguments
-     (list (string-append "string:" id)
-           (string-append "dict:string:string:"
-                          (string-join (alist->list updated-details*)
-                                       ","))))))
-
-(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)))
-    (send-dbus/configuration-manager
-     #:method "setAllModerators"
-     #:arguments
-     (list (string-append "string:" id)
-           (serialize-boolean 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))
-         (reply (send-dbus/configuration-manager
-                 #:method "isAllModerators"
-                 #:arguments
-                 (list (string-append "string:" id)))))
-    (deserialize-item (parse-dbus-reply reply))))
-
-(define (username->moderators username)
-  "Return the moderators for the account of USERNAME, a registered username or
-account fingerprint."
-  (let* ((id (username->id username))
-         (reply (send-dbus/configuration-manager
-                 #:method "getDefaultModerators"
-                 #:arguments
-                 (list (string-append "string:" id)))))
-    (array->list (parse-dbus-reply reply))))
-
-(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)))
-    (send-dbus/configuration-manager #:method "setDefaultModerator"
-                                     #:arguments
-                                     (list (string-append "string:" id)
-                                           (string-append "string:" contact)
-                                           (serialize-boolean 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 60000))
-
-(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"))
-
-;; Local Variables:
-;; eval: (put 'with-retries 'scheme-indent-function 2)
-;; End: