HCoop / bpt / emacs.git / blame
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1 | ;;; auth-source.el --- authentication sources for Gnus and Emacs |
| 2 | ||
| 73b0cd50 | 3 | ;; Copyright (C) 2008-2011 Free Software Foundation, Inc. |
| 8f7abae3 MB |
4 | |
| 5 | ;; Author: Ted Zlatanov <tzz@lifelogs.com> | |
| 6 | ;; Keywords: news | |
| 7 | ||
| 8 | ;; This file is part of GNU Emacs. | |
| 9 | ||
| 5e809f55 | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 8f7abae3 | 11 | ;; it under the terms of the GNU General Public License as published by |
| 5e809f55 GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
| 13 | ;; (at your option) any later version. | |
| 8f7abae3 MB |
14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 5e809f55 | 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 8f7abae3 MB |
18 | ;; GNU General Public License for more details. |
| 19 | ||
| 20 | ;; You should have received a copy of the GNU General Public License | |
| 5e809f55 | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 8f7abae3 MB |
22 | |
| 23 | ;;; Commentary: | |
| 24 | ||
| 25 | ;; This is the auth-source.el package. It lets users tell Gnus how to | |
| 26 | ;; authenticate in a single place. Simplicity is the goal. Instead | |
| 27 | ;; of providing 5000 options, we'll stick to simple, easy to | |
| 28 | ;; understand options. | |
| d55fe5bb | 29 | |
| 554a69b8 | 30 | ;; See the auth.info Info documentation for details. |
| 4079589f | 31 | |
| cbabe91f TZ |
32 | ;; TODO: |
| 33 | ||
| 34 | ;; - never decode the backend file unless it's necessary | |
| 35 | ;; - a more generic way to match backends and search backend contents | |
| 36 | ;; - absorb netrc.el and simplify it | |
| 37 | ;; - protect passwords better | |
| 38 | ;; - allow creating and changing netrc lines (not files) e.g. change a password | |
| 39 | ||
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40 | ;;; Code: |
| 41 | ||
| b8e0f0cd | 42 | (require 'password-cache) |
| d638ac9e | 43 | (require 'mm-util) |
| e952b711 | 44 | (require 'gnus-util) |
| b8e0f0cd | 45 | (require 'assoc) |
| 936d08bb G |
46 | (require 'epa) |
| 47 | (require 'epg) | |
| 48 | ||
| 8f7abae3 | 49 | (eval-when-compile (require 'cl)) |
| f3b54b0e | 50 | (require 'eieio) |
| b8e0f0cd | 51 | |
| 0e4966fb MA |
52 | (autoload 'secrets-create-item "secrets") |
| 53 | (autoload 'secrets-delete-item "secrets") | |
| ec7995fa | 54 | (autoload 'secrets-get-alias "secrets") |
| b8e0f0cd | 55 | (autoload 'secrets-get-attributes "secrets") |
| fb178e4c | 56 | (autoload 'secrets-get-secret "secrets") |
| 0e4966fb MA |
57 | (autoload 'secrets-list-collections "secrets") |
| 58 | (autoload 'secrets-search-items "secrets") | |
| 8f7abae3 | 59 | |
| 4248cca2 TZ |
60 | (autoload 'rfc2104-hash "rfc2104") |
| 61 | ||
| 8977de27 DU |
62 | (autoload 'plstore-open "plstore") |
| 63 | (autoload 'plstore-find "plstore") | |
| 64 | (autoload 'plstore-put "plstore") | |
| 65 | (autoload 'plstore-save "plstore") | |
| c302199d | 66 | (autoload 'plstore-get-file "plstore") |
| 8977de27 | 67 | |
| b8e0f0cd G |
68 | (defvar secrets-enabled) |
| 69 | ||
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70 | (defgroup auth-source nil |
| 71 | "Authentication sources." | |
| 9b3ebcb6 | 72 | :version "23.1" ;; No Gnus |
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73 | :group 'gnus) |
| 74 | ||
| 584c9d3f G |
75 | ;;;###autoload |
| 76 | (defcustom auth-source-cache-expiry 7200 | |
| 77 | "How many seconds passwords are cached, or nil to disable | |
| 78 | expiring. Overrides `password-cache-expiry' through a | |
| 79 | let-binding." | |
| 80 | :group 'auth-source | |
| 81 | :type '(choice (const :tag "Never" nil) | |
| 82 | (const :tag "All Day" 86400) | |
| 83 | (const :tag "2 Hours" 7200) | |
| 84 | (const :tag "30 Minutes" 1800) | |
| 85 | (integer :tag "Seconds"))) | |
| 86 | ||
| b8e0f0cd G |
87 | (defclass auth-source-backend () |
| 88 | ((type :initarg :type | |
| 89 | :initform 'netrc | |
| 90 | :type symbol | |
| 91 | :custom symbol | |
| 92 | :documentation "The backend type.") | |
| 93 | (source :initarg :source | |
| 94 | :type string | |
| 95 | :custom string | |
| 96 | :documentation "The backend source.") | |
| 97 | (host :initarg :host | |
| 98 | :initform t | |
| 99 | :type t | |
| 100 | :custom string | |
| 101 | :documentation "The backend host.") | |
| 102 | (user :initarg :user | |
| 103 | :initform t | |
| 104 | :type t | |
| 105 | :custom string | |
| 106 | :documentation "The backend user.") | |
| 35123c04 TZ |
107 | (port :initarg :port |
| 108 | :initform t | |
| 109 | :type t | |
| 110 | :custom string | |
| 111 | :documentation "The backend protocol.") | |
| 8977de27 DU |
112 | (arg :initarg :arg |
| 113 | :initform nil | |
| 114 | :documentation "The backend arg.") | |
| b8e0f0cd G |
115 | (create-function :initarg :create-function |
| 116 | :initform ignore | |
| 117 | :type function | |
| 118 | :custom function | |
| 119 | :documentation "The create function.") | |
| 120 | (search-function :initarg :search-function | |
| 121 | :initform ignore | |
| 122 | :type function | |
| 123 | :custom function | |
| 124 | :documentation "The search function."))) | |
| 125 | ||
| 9b3ebcb6 | 126 | (defcustom auth-source-protocols '((imap "imap" "imaps" "143" "993") |
| cbabe91f TZ |
127 | (pop3 "pop3" "pop" "pop3s" "110" "995") |
| 128 | (ssh "ssh" "22") | |
| 129 | (sftp "sftp" "115") | |
| 130 | (smtp "smtp" "25")) | |
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131 | "List of authentication protocols and their names" |
| 132 | ||
| 133 | :group 'auth-source | |
| ec7995fa | 134 | :version "23.2" ;; No Gnus |
| 9b3ebcb6 | 135 | :type '(repeat :tag "Authentication Protocols" |
| cbabe91f TZ |
136 | (cons :tag "Protocol Entry" |
| 137 | (symbol :tag "Protocol") | |
| 138 | (repeat :tag "Names" | |
| 139 | (string :tag "Name"))))) | |
| 9b3ebcb6 MB |
140 | |
| 141 | ;;; generate all the protocols in a format Customize can use | |
| fb178e4c | 142 | ;;; TODO: generate on the fly from auth-source-protocols |
| 9b3ebcb6 MB |
143 | (defconst auth-source-protocols-customize |
| 144 | (mapcar (lambda (a) | |
| cbabe91f TZ |
145 | (let ((p (car-safe a))) |
| 146 | (list 'const | |
| 147 | :tag (upcase (symbol-name p)) | |
| 148 | p))) | |
| 149 | auth-source-protocols)) | |
| 9b3ebcb6 | 150 | |
| b8e0f0cd G |
151 | (defvar auth-source-creation-defaults nil |
| 152 | "Defaults for creating token values. Usually let-bound.") | |
| 153 | ||
| 003522ce G |
154 | (defvar auth-source-creation-prompts nil |
| 155 | "Default prompts for token values. Usually let-bound.") | |
| 156 | ||
| b8e0f0cd G |
157 | (make-obsolete 'auth-source-hide-passwords nil "Emacs 24.1") |
| 158 | ||
| 003522ce G |
159 | (defcustom auth-source-save-behavior 'ask |
| 160 | "If set, auth-source will respect it for save behavior." | |
| 161 | :group 'auth-source | |
| 162 | :version "23.2" ;; No Gnus | |
| 163 | :type `(choice | |
| 164 | :tag "auth-source new token save behavior" | |
| 165 | (const :tag "Always save" t) | |
| 166 | (const :tag "Never save" nil) | |
| 167 | (const :tag "Ask" ask))) | |
| 168 | ||
| 61e6a0ac TZ |
169 | ;; TODO: make the default (setq auth-source-netrc-use-gpg-tokens `((,(if (boundp 'epa-file-auto-mode-alist-entry) (car (symbol-value 'epa-file-auto-mode-alist-entry)) "\\.gpg\\'") never) (t gpg))) |
| 170 | ;; TODO: or maybe leave as (setq auth-source-netrc-use-gpg-tokens 'never) | |
| 171 | ||
| 172 | (defcustom auth-source-netrc-use-gpg-tokens 'never | |
| 173 | "Set this to tell auth-source when to create GPG password | |
| 174 | tokens in netrc files. It's either an alist or `never'." | |
| 2b8c5660 TZ |
175 | :group 'auth-source |
| 176 | :version "23.2" ;; No Gnus | |
| 177 | :type `(choice | |
| 61e6a0ac TZ |
178 | (const :tag "Always use GPG password tokens" (t gpg)) |
| 179 | (const :tag "Never use GPG password tokens" never) | |
| 180 | (repeat :tag "Use a lookup list" | |
| 181 | (list | |
| 182 | (choice :tag "Matcher" | |
| 183 | (const :tag "Match anything" t) | |
| 184 | (const :tag "The EPA encrypted file extensions" | |
| 185 | ,(if (boundp 'epa-file-auto-mode-alist-entry) | |
| 186 | (car (symbol-value | |
| 187 | 'epa-file-auto-mode-alist-entry)) | |
| 188 | "\\.gpg\\'")) | |
| 189 | (regexp :tag "Regular expression")) | |
| 190 | (choice :tag "What to do" | |
| 191 | (const :tag "Save GPG-encrypted password tokens" gpg) | |
| 192 | (const :tag "Don't encrypt tokens" never)))))) | |
| 2b8c5660 | 193 | |
| b8e0f0cd | 194 | (defvar auth-source-magic "auth-source-magic ") |
| ed778fad MB |
195 | |
| 196 | (defcustom auth-source-do-cache t | |
| b8e0f0cd | 197 | "Whether auth-source should cache information with `password-cache'." |
| ed778fad | 198 | :group 'auth-source |
| ec7995fa | 199 | :version "23.2" ;; No Gnus |
| ed778fad MB |
200 | :type `boolean) |
| 201 | ||
| a202ff49 | 202 | (defcustom auth-source-debug nil |
| 554a69b8 | 203 | "Whether auth-source should log debug messages. |
| 554a69b8 KY |
204 | |
| 205 | If the value is nil, debug messages are not logged. | |
| ca6ddb88 TZ |
206 | |
| 207 | If the value is t, debug messages are logged with `message'. In | |
| 208 | that case, your authentication data will be in the clear (except | |
| 209 | for passwords). | |
| 210 | ||
| 554a69b8 KY |
211 | If the value is a function, debug messages are logged by calling |
| 212 | that function using the same arguments as `message'." | |
| 213 | :group 'auth-source | |
| ec7995fa | 214 | :version "23.2" ;; No Gnus |
| cbabe91f TZ |
215 | :type `(choice |
| 216 | :tag "auth-source debugging mode" | |
| 217 | (const :tag "Log using `message' to the *Messages* buffer" t) | |
| 4a3988d5 G |
218 | (const :tag "Log all trivia with `message' to the *Messages* buffer" |
| 219 | trivia) | |
| cbabe91f TZ |
220 | (function :tag "Function that takes arguments like `message'") |
| 221 | (const :tag "Don't log anything" nil))) | |
| 554a69b8 | 222 | |
| 6a6e4d93 | 223 | (defcustom auth-sources '("~/.authinfo" "~/.authinfo.gpg" "~/.netrc") |
| 8f7abae3 MB |
224 | "List of authentication sources. |
| 225 | ||
| b8e0f0cd G |
226 | The default will get login and password information from |
| 227 | \"~/.authinfo.gpg\", which you should set up with the EPA/EPG | |
| 228 | packages to be encrypted. If that file doesn't exist, it will | |
| 4a3988d5 G |
229 | try the unencrypted version \"~/.authinfo\" and the famous |
| 230 | \"~/.netrc\" file. | |
| b8e0f0cd G |
231 | |
| 232 | See the auth.info manual for details. | |
| fb178e4c | 233 | |
| ec7995fa KY |
234 | Each entry is the authentication type with optional properties. |
| 235 | ||
| 236 | It's best to customize this with `M-x customize-variable' because the choices | |
| 237 | can get pretty complex." | |
| 8f7abae3 | 238 | :group 'auth-source |
| b8e0f0cd | 239 | :version "24.1" ;; No Gnus |
| 9b3ebcb6 | 240 | :type `(repeat :tag "Authentication Sources" |
| b8e0f0cd G |
241 | (choice |
| 242 | (string :tag "Just a file") | |
| 243 | (const :tag "Default Secrets API Collection" 'default) | |
| 5415d076 | 244 | (const :tag "Login Secrets API Collection" "secrets:Login") |
| b8e0f0cd G |
245 | (const :tag "Temp Secrets API Collection" "secrets:session") |
| 246 | (list :tag "Source definition" | |
| 247 | (const :format "" :value :source) | |
| 248 | (choice :tag "Authentication backend choice" | |
| 249 | (string :tag "Authentication Source (file)") | |
| 250 | (list | |
| 251 | :tag "Secret Service API/KWallet/GNOME Keyring" | |
| 252 | (const :format "" :value :secrets) | |
| 253 | (choice :tag "Collection to use" | |
| 254 | (string :tag "Collection name") | |
| 255 | (const :tag "Default" 'default) | |
| 5415d076 | 256 | (const :tag "Login" "Login") |
| b8e0f0cd G |
257 | (const |
| 258 | :tag "Temporary" "session")))) | |
| 259 | (repeat :tag "Extra Parameters" :inline t | |
| 260 | (choice :tag "Extra parameter" | |
| 261 | (list | |
| 262 | :tag "Host" | |
| 263 | (const :format "" :value :host) | |
| 264 | (choice :tag "Host (machine) choice" | |
| 265 | (const :tag "Any" t) | |
| 266 | (regexp | |
| 267 | :tag "Regular expression"))) | |
| 268 | (list | |
| 269 | :tag "Protocol" | |
| 35123c04 | 270 | (const :format "" :value :port) |
| b8e0f0cd G |
271 | (choice |
| 272 | :tag "Protocol" | |
| 273 | (const :tag "Any" t) | |
| 274 | ,@auth-source-protocols-customize)) | |
| 275 | (list :tag "User" :inline t | |
| 276 | (const :format "" :value :user) | |
| 61e6a0ac TZ |
277 | (choice |
| 278 | :tag "Personality/Username" | |
| b8e0f0cd | 279 | (const :tag "Any" t) |
| 61e6a0ac TZ |
280 | (string |
| 281 | :tag "Name"))))))))) | |
| 8f7abae3 | 282 | |
| 549c9aed G |
283 | (defcustom auth-source-gpg-encrypt-to t |
| 284 | "List of recipient keys that `authinfo.gpg' encrypted to. | |
| 285 | If the value is not a list, symmetric encryption will be used." | |
| 286 | :group 'auth-source | |
| b8e0f0cd | 287 | :version "24.1" ;; No Gnus |
| 549c9aed | 288 | :type '(choice (const :tag "Symmetric encryption" t) |
| b8e0f0cd G |
289 | (repeat :tag "Recipient public keys" |
| 290 | (string :tag "Recipient public key")))) | |
| 549c9aed | 291 | |
| 8f7abae3 | 292 | ;; temp for debugging |
| 9b3ebcb6 MB |
293 | ;; (unintern 'auth-source-protocols) |
| 294 | ;; (unintern 'auth-sources) | |
| 295 | ;; (customize-variable 'auth-sources) | |
| 296 | ;; (setq auth-sources nil) | |
| 297 | ;; (format "%S" auth-sources) | |
| 298 | ;; (customize-variable 'auth-source-protocols) | |
| 299 | ;; (setq auth-source-protocols nil) | |
| 300 | ;; (format "%S" auth-source-protocols) | |
| fb178e4c | 301 | ;; (auth-source-pick nil :host "a" :port 'imap) |
| 9b3ebcb6 MB |
302 | ;; (auth-source-user-or-password "login" "imap.myhost.com" 'imap) |
| 303 | ;; (auth-source-user-or-password "password" "imap.myhost.com" 'imap) | |
| 304 | ;; (auth-source-user-or-password-imap "login" "imap.myhost.com") | |
| 305 | ;; (auth-source-user-or-password-imap "password" "imap.myhost.com") | |
| 306 | ;; (auth-source-protocol-defaults 'imap) | |
| 307 | ||
| ca6ddb88 TZ |
308 | ;; (let ((auth-source-debug 'debug)) (auth-source-do-debug "hello")) |
| 309 | ;; (let ((auth-source-debug t)) (auth-source-do-debug "hello")) | |
| 310 | ;; (let ((auth-source-debug nil)) (auth-source-do-debug "hello")) | |
| 554a69b8 | 311 | (defun auth-source-do-debug (&rest msg) |
| 554a69b8 | 312 | (when auth-source-debug |
| ca6ddb88 TZ |
313 | (apply 'auth-source-do-warn msg))) |
| 314 | ||
| 4a3988d5 G |
315 | (defun auth-source-do-trivia (&rest msg) |
| 316 | (when (or (eq auth-source-debug 'trivia) | |
| 317 | (functionp auth-source-debug)) | |
| 318 | (apply 'auth-source-do-warn msg))) | |
| 319 | ||
| ca6ddb88 TZ |
320 | (defun auth-source-do-warn (&rest msg) |
| 321 | (apply | |
| 322 | ;; set logger to either the function in auth-source-debug or 'message | |
| 323 | ;; note that it will be 'message if auth-source-debug is nil | |
| 324 | (if (functionp auth-source-debug) | |
| 325 | auth-source-debug | |
| 326 | 'message) | |
| 327 | msg)) | |
| 328 | ||
| 554a69b8 | 329 | |
| 733afdf4 TZ |
330 | ;;; (auth-source-read-char-choice "enter choice? " '(?a ?b ?q)) |
| 331 | (defun auth-source-read-char-choice (prompt choices) | |
| 332 | "Read one of CHOICES by `read-char-choice', or `read-char'. | |
| 333 | `dropdown-list' support is disabled because it doesn't work reliably. | |
| 334 | Only one of CHOICES will be returned. The PROMPT is augmented | |
| 335 | with \"[a/b/c] \" if CHOICES is '\(?a ?b ?c\)." | |
| 336 | (when choices | |
| 337 | (let* ((prompt-choices | |
| 338 | (apply 'concat (loop for c in choices | |
| 339 | collect (format "%c/" c)))) | |
| 340 | (prompt-choices (concat "[" (substring prompt-choices 0 -1) "] ")) | |
| 341 | (full-prompt (concat prompt prompt-choices)) | |
| 342 | k) | |
| 343 | ||
| 344 | (while (not (memq k choices)) | |
| 345 | (setq k (cond | |
| 733afdf4 TZ |
346 | ((fboundp 'read-char-choice) |
| 347 | (read-char-choice full-prompt choices)) | |
| 348 | (t (message "%s" full-prompt) | |
| 349 | (setq k (read-char)))))) | |
| 350 | k))) | |
| 351 | ||
| 35123c04 TZ |
352 | ;; (auth-source-pick nil :host "any" :port 'imap :user "joe") |
| 353 | ;; (auth-source-pick t :host "any" :port 'imap :user "joe") | |
| 354 | ;; (setq auth-sources '((:source (:secrets default) :host t :port t :user "joe") | |
| 355 | ;; (:source (:secrets "session") :host t :port t :user "joe") | |
| 356 | ;; (:source (:secrets "Login") :host t :port t) | |
| 357 | ;; (:source "~/.authinfo.gpg" :host t :port t))) | |
| fb178e4c | 358 | |
| 35123c04 TZ |
359 | ;; (setq auth-sources '((:source (:secrets default) :host t :port t :user "joe") |
| 360 | ;; (:source (:secrets "session") :host t :port t :user "joe") | |
| 361 | ;; (:source (:secrets "Login") :host t :port t) | |
| cbabe91f | 362 | ;; )) |
| fb178e4c | 363 | |
| 35123c04 | 364 | ;; (setq auth-sources '((:source "~/.authinfo.gpg" :host t :port t))) |
| fb178e4c | 365 | |
| b8e0f0cd G |
366 | ;; (auth-source-backend-parse "myfile.gpg") |
| 367 | ;; (auth-source-backend-parse 'default) | |
| 5415d076 | 368 | ;; (auth-source-backend-parse "secrets:Login") |
| b8e0f0cd G |
369 | |
| 370 | (defun auth-source-backend-parse (entry) | |
| 371 | "Creates an auth-source-backend from an ENTRY in `auth-sources'." | |
| 372 | (auth-source-backend-parse-parameters | |
| 373 | entry | |
| 374 | (cond | |
| 375 | ;; take 'default and recurse to get it as a Secrets API default collection | |
| 376 | ;; matching any user, host, and protocol | |
| 377 | ((eq entry 'default) | |
| 378 | (auth-source-backend-parse '(:source (:secrets default)))) | |
| 379 | ;; take secrets:XYZ and recurse to get it as Secrets API collection "XYZ" | |
| 380 | ;; matching any user, host, and protocol | |
| 381 | ((and (stringp entry) (string-match "^secrets:\\(.+\\)" entry)) | |
| 382 | (auth-source-backend-parse `(:source (:secrets ,(match-string 1 entry))))) | |
| 383 | ;; take just a file name and recurse to get it as a netrc file | |
| 384 | ;; matching any user, host, and protocol | |
| 385 | ((stringp entry) | |
| 386 | (auth-source-backend-parse `(:source ,entry))) | |
| 387 | ||
| 388 | ;; a file name with parameters | |
| 389 | ((stringp (plist-get entry :source)) | |
| 8977de27 DU |
390 | (if (equal (file-name-extension (plist-get entry :source)) "plist") |
| 391 | (auth-source-backend | |
| 392 | (plist-get entry :source) | |
| 393 | :source (plist-get entry :source) | |
| 394 | :type 'plstore | |
| 395 | :search-function 'auth-source-plstore-search | |
| 396 | :create-function 'auth-source-plstore-create | |
| 397 | :arg (plstore-open (plist-get entry :source))) | |
| 398 | (auth-source-backend | |
| 399 | (plist-get entry :source) | |
| 400 | :source (plist-get entry :source) | |
| 401 | :type 'netrc | |
| 402 | :search-function 'auth-source-netrc-search | |
| 403 | :create-function 'auth-source-netrc-create))) | |
| b8e0f0cd G |
404 | |
| 405 | ;; the Secrets API. We require the package, in order to have a | |
| 406 | ;; defined value for `secrets-enabled'. | |
| 407 | ((and | |
| 408 | (not (null (plist-get entry :source))) ; the source must not be nil | |
| 409 | (listp (plist-get entry :source)) ; and it must be a list | |
| 410 | (require 'secrets nil t) ; and we must load the Secrets API | |
| 411 | secrets-enabled) ; and that API must be enabled | |
| 412 | ||
| 413 | ;; the source is either the :secrets key in ENTRY or | |
| 414 | ;; if that's missing or nil, it's "session" | |
| 415 | (let ((source (or (plist-get (plist-get entry :source) :secrets) | |
| 416 | "session"))) | |
| 417 | ||
| 418 | ;; if the source is a symbol, we look for the alias named so, | |
| 5415d076 | 419 | ;; and if that alias is missing, we use "Login" |
| b8e0f0cd G |
420 | (when (symbolp source) |
| 421 | (setq source (or (secrets-get-alias (symbol-name source)) | |
| 5415d076 | 422 | "Login"))) |
| b8e0f0cd | 423 | |
| ca6ddb88 TZ |
424 | (if (featurep 'secrets) |
| 425 | (auth-source-backend | |
| 426 | (format "Secrets API (%s)" source) | |
| 427 | :source source | |
| 428 | :type 'secrets | |
| 429 | :search-function 'auth-source-secrets-search | |
| 430 | :create-function 'auth-source-secrets-create) | |
| 431 | (auth-source-do-warn | |
| 432 | "auth-source-backend-parse: no Secrets API, ignoring spec: %S" entry) | |
| 433 | (auth-source-backend | |
| 434 | (format "Ignored Secrets API (%s)" source) | |
| 435 | :source "" | |
| 436 | :type 'ignore)))) | |
| b8e0f0cd G |
437 | |
| 438 | ;; none of them | |
| 439 | (t | |
| ca6ddb88 | 440 | (auth-source-do-warn |
| b8e0f0cd G |
441 | "auth-source-backend-parse: invalid backend spec: %S" entry) |
| 442 | (auth-source-backend | |
| 443 | "Empty" | |
| 444 | :source "" | |
| 445 | :type 'ignore))))) | |
| 446 | ||
| 447 | (defun auth-source-backend-parse-parameters (entry backend) | |
| 448 | "Fills in the extra auth-source-backend parameters of ENTRY. | |
| 35123c04 TZ |
449 | Using the plist ENTRY, get the :host, :port, and :user search |
| 450 | parameters." | |
| e45de620 TZ |
451 | (let ((entry (if (stringp entry) |
| 452 | nil | |
| 453 | entry)) | |
| 454 | val) | |
| b8e0f0cd G |
455 | (when (setq val (plist-get entry :host)) |
| 456 | (oset backend host val)) | |
| 457 | (when (setq val (plist-get entry :user)) | |
| 458 | (oset backend user val)) | |
| 35123c04 TZ |
459 | (when (setq val (plist-get entry :port)) |
| 460 | (oset backend port val))) | |
| b8e0f0cd G |
461 | backend) |
| 462 | ||
| 463 | ;; (mapcar 'auth-source-backend-parse auth-sources) | |
| 464 | ||
| 465 | (defun* auth-source-search (&rest spec | |
| 35123c04 | 466 | &key type max host user port secret |
| 733afdf4 | 467 | require create delete |
| b8e0f0cd G |
468 | &allow-other-keys) |
| 469 | "Search or modify authentication backends according to SPEC. | |
| 470 | ||
| 471 | This function parses `auth-sources' for matches of the SPEC | |
| 472 | plist. It can optionally create or update an authentication | |
| 473 | token if requested. A token is just a standard Emacs property | |
| 474 | list with a :secret property that can be a function; all the | |
| 475 | other properties will always hold scalar values. | |
| 476 | ||
| 477 | Typically the :secret property, if present, contains a password. | |
| 478 | ||
| 35123c04 | 479 | Common search keys are :max, :host, :port, and :user. In |
| b8e0f0cd G |
480 | addition, :create specifies how tokens will be or created. |
| 481 | Finally, :type can specify which backend types you want to check. | |
| 482 | ||
| 483 | A string value is always matched literally. A symbol is matched | |
| 484 | as its string value, literally. All the SPEC values can be | |
| 485 | single values (symbol or string) or lists thereof (in which case | |
| 486 | any of the search terms matches). | |
| 487 | ||
| 488 | :create t means to create a token if possible. | |
| 489 | ||
| 490 | A new token will be created if no matching tokens were found. | |
| 491 | The new token will have only the keys the backend requires. For | |
| 492 | the netrc backend, for instance, that's the user, host, and | |
| 35123c04 | 493 | port keys. |
| b8e0f0cd G |
494 | |
| 495 | Here's an example: | |
| 496 | ||
| 497 | \(let ((auth-source-creation-defaults '((user . \"defaultUser\") | |
| 498 | (A . \"default A\")))) | |
| 499 | (auth-source-search :host \"mine\" :type 'netrc :max 1 | |
| 500 | :P \"pppp\" :Q \"qqqq\" | |
| 501 | :create t)) | |
| 502 | ||
| 503 | which says: | |
| 504 | ||
| 505 | \"Search for any entry matching host 'mine' in backends of type | |
| 506 | 'netrc', maximum one result. | |
| 507 | ||
| 508 | Create a new entry if you found none. The netrc backend will | |
| 35123c04 | 509 | automatically require host, user, and port. The host will be |
| b8e0f0cd | 510 | 'mine'. We prompt for the user with default 'defaultUser' and |
| 35123c04 | 511 | for the port without a default. We will not prompt for A, Q, |
| b8e0f0cd | 512 | or P. The resulting token will only have keys user, host, and |
| 35123c04 | 513 | port.\" |
| b8e0f0cd G |
514 | |
| 515 | :create '(A B C) also means to create a token if possible. | |
| 516 | ||
| 517 | The behavior is like :create t but if the list contains any | |
| 518 | parameter, that parameter will be required in the resulting | |
| 519 | token. The value for that parameter will be obtained from the | |
| 520 | search parameters or from user input. If any queries are needed, | |
| 521 | the alist `auth-source-creation-defaults' will be checked for the | |
| 003522ce G |
522 | default value. If the user, host, or port are missing, the alist |
| 523 | `auth-source-creation-prompts' will be used to look up the | |
| 524 | prompts IN THAT ORDER (so the 'user prompt will be queried first, | |
| 525 | then 'host, then 'port, and finally 'secret). Each prompt string | |
| 526 | can use %u, %h, and %p to show the user, host, and port. | |
| b8e0f0cd G |
527 | |
| 528 | Here's an example: | |
| 529 | ||
| 530 | \(let ((auth-source-creation-defaults '((user . \"defaultUser\") | |
| 003522ce G |
531 | (A . \"default A\"))) |
| 532 | (auth-source-creation-prompts | |
| 533 | '((password . \"Enter IMAP password for %h:%p: \")))) | |
| b8e0f0cd G |
534 | (auth-source-search :host '(\"nonesuch\" \"twosuch\") :type 'netrc :max 1 |
| 535 | :P \"pppp\" :Q \"qqqq\" | |
| 536 | :create '(A B Q))) | |
| 537 | ||
| 538 | which says: | |
| 539 | ||
| 540 | \"Search for any entry matching host 'nonesuch' | |
| 541 | or 'twosuch' in backends of type 'netrc', maximum one result. | |
| 542 | ||
| 543 | Create a new entry if you found none. The netrc backend will | |
| 35123c04 | 544 | automatically require host, user, and port. The host will be |
| 003522ce G |
545 | 'nonesuch' and Q will be 'qqqq'. We prompt for the password |
| 546 | with the shown prompt. We will not prompt for Q. The resulting | |
| 547 | token will have keys user, host, port, A, B, and Q. It will not | |
| 548 | have P with any value, even though P is used in the search to | |
| 549 | find only entries that have P set to 'pppp'.\" | |
| b8e0f0cd G |
550 | |
| 551 | When multiple values are specified in the search parameter, the | |
| 7ba93e94 G |
552 | user is prompted for which one. So :host (X Y Z) would ask the |
| 553 | user to choose between X, Y, and Z. | |
| b8e0f0cd G |
554 | |
| 555 | This creation can fail if the search was not specific enough to | |
| 556 | create a new token (it's up to the backend to decide that). You | |
| 557 | should `catch' the backend-specific error as usual. Some | |
| 558 | backends (netrc, at least) will prompt the user rather than throw | |
| 559 | an error. | |
| 560 | ||
| 733afdf4 TZ |
561 | :require (A B C) means that only results that contain those |
| 562 | tokens will be returned. Thus for instance requiring :secret | |
| 563 | will ensure that any results will actually have a :secret | |
| 564 | property. | |
| 565 | ||
| b8e0f0cd G |
566 | :delete t means to delete any found entries. nil by default. |
| 567 | Use `auth-source-delete' in ELisp code instead of calling | |
| 568 | `auth-source-search' directly with this parameter. | |
| 569 | ||
| 570 | :type (X Y Z) will check only those backend types. 'netrc and | |
| 571 | 'secrets are the only ones supported right now. | |
| 572 | ||
| 573 | :max N means to try to return at most N items (defaults to 1). | |
| 574 | When 0 the function will return just t or nil to indicate if any | |
| 575 | matches were found. More than N items may be returned, depending | |
| 576 | on the search and the backend. | |
| 577 | ||
| 578 | :host (X Y Z) means to match only hosts X, Y, or Z according to | |
| 579 | the match rules above. Defaults to t. | |
| 580 | ||
| 581 | :user (X Y Z) means to match only users X, Y, or Z according to | |
| 582 | the match rules above. Defaults to t. | |
| 583 | ||
| 35123c04 | 584 | :port (P Q R) means to match only protocols P, Q, or R. |
| b8e0f0cd G |
585 | Defaults to t. |
| 586 | ||
| 587 | :K (V1 V2 V3) for any other key K will match values V1, V2, or | |
| 588 | V3 (note the match rules above). | |
| 589 | ||
| 590 | The return value is a list with at most :max tokens. Each token | |
| 35123c04 | 591 | is a plist with keys :backend :host :port :user, plus any other |
| b8e0f0cd G |
592 | keys provided by the backend (notably :secret). But note the |
| 593 | exception for :max 0, which see above. | |
| 594 | ||
| 733afdf4 TZ |
595 | The token can hold a :save-function key. If you call that, the |
| 596 | user will be prompted to save the data to the backend. You can't | |
| 597 | request that this should happen right after creation, because | |
| 598 | `auth-source-search' has no way of knowing if the token is | |
| 599 | actually useful. So the caller must arrange to call this function. | |
| 600 | ||
| b8e0f0cd G |
601 | The token's :secret key can hold a function. In that case you |
| 602 | must call it to obtain the actual value." | |
| 603 | (let* ((backends (mapcar 'auth-source-backend-parse auth-sources)) | |
| 604 | (max (or max 1)) | |
| 733afdf4 | 605 | (ignored-keys '(:require :create :delete :max)) |
| b8e0f0cd G |
606 | (keys (loop for i below (length spec) by 2 |
| 607 | unless (memq (nth i spec) ignored-keys) | |
| 608 | collect (nth i spec))) | |
| 61e9662e TZ |
609 | (cached (auth-source-remembered-p spec)) |
| 610 | ;; note that we may have cached results but found is still nil | |
| 611 | ;; (there were no results from the search) | |
| b8e0f0cd | 612 | (found (auth-source-recall spec)) |
| 4a3988d5 | 613 | filtered-backends accessor-key backend) |
| b8e0f0cd | 614 | |
| 61e9662e | 615 | (if (and cached auth-source-do-cache) |
| b8e0f0cd G |
616 | (auth-source-do-debug |
| 617 | "auth-source-search: found %d CACHED results matching %S" | |
| 618 | (length found) spec) | |
| 619 | ||
| 620 | (assert | |
| 621 | (or (eq t create) (listp create)) t | |
| 4a3988d5 | 622 | "Invalid auth-source :create parameter (must be t or a list): %s %s") |
| b8e0f0cd | 623 | |
| 733afdf4 TZ |
624 | (assert |
| 625 | (listp require) t | |
| 626 | "Invalid auth-source :require parameter (must be a list): %s") | |
| 627 | ||
| 6ce6c742 | 628 | (setq filtered-backends (copy-sequence backends)) |
| b8e0f0cd G |
629 | (dolist (backend backends) |
| 630 | (dolist (key keys) | |
| 631 | ;; ignore invalid slots | |
| 632 | (condition-case signal | |
| 633 | (unless (eval `(auth-source-search-collection | |
| 634 | (plist-get spec key) | |
| 635 | (oref backend ,key))) | |
| 636 | (setq filtered-backends (delq backend filtered-backends)) | |
| 637 | (return)) | |
| 638 | (invalid-slot-name)))) | |
| 639 | ||
| 4a3988d5 | 640 | (auth-source-do-trivia |
| b8e0f0cd G |
641 | "auth-source-search: found %d backends matching %S" |
| 642 | (length filtered-backends) spec) | |
| 643 | ||
| 644 | ;; (debug spec "filtered" filtered-backends) | |
| 1d2c4a49 LI |
645 | ;; First go through all the backends without :create, so we can |
| 646 | ;; query them all. | |
| 4a3988d5 G |
647 | (setq found (auth-source-search-backends filtered-backends |
| 648 | spec | |
| 649 | ;; to exit early | |
| 650 | max | |
| 733afdf4 TZ |
651 | ;; create is always nil here |
| 652 | nil delete | |
| 653 | require)) | |
| 4a3988d5 G |
654 | |
| 655 | (auth-source-do-debug | |
| 656 | "auth-source-search: found %d results (max %d) matching %S" | |
| 657 | (length found) max spec) | |
| 658 | ||
| 1d2c4a49 LI |
659 | ;; If we didn't find anything, then we allow the backend(s) to |
| 660 | ;; create the entries. | |
| 38046520 | 661 | (when (and create |
| 4a3988d5 G |
662 | (not found)) |
| 663 | (setq found (auth-source-search-backends filtered-backends | |
| 664 | spec | |
| 665 | ;; to exit early | |
| 666 | max | |
| 733afdf4 TZ |
667 | create delete |
| 668 | require)) | |
| 669 | (auth-source-do-debug | |
| 4a3988d5 G |
670 | "auth-source-search: CREATED %d results (max %d) matching %S" |
| 671 | (length found) max spec)) | |
| 672 | ||
| 61e9662e TZ |
673 | ;; note we remember the lack of result too, if it's applicable |
| 674 | (when auth-source-do-cache | |
| 4a3988d5 G |
675 | (auth-source-remember spec found))) |
| 676 | ||
| 677 | found)) | |
| 678 | ||
| 733afdf4 | 679 | (defun auth-source-search-backends (backends spec max create delete require) |
| 4a3988d5 G |
680 | (let (matches) |
| 681 | (dolist (backend backends) | |
| 682 | (when (> max (length matches)) ; when we need more matches... | |
| 733afdf4 TZ |
683 | (let* ((bmatches (apply |
| 684 | (slot-value backend 'search-function) | |
| 685 | :backend backend | |
| 686 | ;; note we're overriding whatever the spec | |
| 687 | ;; has for :require, :create, and :delete | |
| 688 | :require require | |
| 689 | :create create | |
| 690 | :delete delete | |
| 691 | spec))) | |
| 4a3988d5 G |
692 | (when bmatches |
| 693 | (auth-source-do-trivia | |
| 694 | "auth-source-search-backend: got %d (max %d) in %s:%s matching %S" | |
| 695 | (length bmatches) max | |
| 696 | (slot-value backend :type) | |
| 697 | (slot-value backend :source) | |
| 698 | spec) | |
| 699 | (setq matches (append matches bmatches)))))) | |
| 700 | matches)) | |
| b8e0f0cd G |
701 | |
| 702 | ;;; (auth-source-search :max 1) | |
| 703 | ;;; (funcall (plist-get (nth 0 (auth-source-search :max 1)) :secret)) | |
| 704 | ;;; (auth-source-search :host "nonesuch" :type 'netrc :K 1) | |
| 705 | ;;; (auth-source-search :host "nonesuch" :type 'secrets) | |
| 706 | ||
| 707 | (defun* auth-source-delete (&rest spec | |
| 708 | &key delete | |
| 709 | &allow-other-keys) | |
| 710 | "Delete entries from the authentication backends according to SPEC. | |
| 711 | Calls `auth-source-search' with the :delete property in SPEC set to t. | |
| 712 | The backend may not actually delete the entries. | |
| 713 | ||
| 714 | Returns the deleted entries." | |
| 715 | (auth-source-search (plist-put spec :delete t))) | |
| 716 | ||
| 717 | (defun auth-source-search-collection (collection value) | |
| 718 | "Returns t is VALUE is t or COLLECTION is t or contains VALUE." | |
| 719 | (when (and (atom collection) (not (eq t collection))) | |
| 720 | (setq collection (list collection))) | |
| 721 | ||
| 722 | ;; (debug :collection collection :value value) | |
| 723 | (or (eq collection t) | |
| 724 | (eq value t) | |
| 725 | (equal collection value) | |
| 726 | (member value collection))) | |
| ed778fad | 727 | |
| 74e8193b KY |
728 | (defvar auth-source-netrc-cache nil) |
| 729 | ||
| 3b36c17e | 730 | (defun auth-source-forget-all-cached () |
| b8e0f0cd | 731 | "Forget all cached auth-source data." |
| 3b36c17e | 732 | (interactive) |
| b8e0f0cd G |
733 | (loop for sym being the symbols of password-data |
| 734 | ;; when the symbol name starts with auth-source-magic | |
| 735 | when (string-match (concat "^" auth-source-magic) | |
| 736 | (symbol-name sym)) | |
| 737 | ;; remove that key | |
| ddb7ffee LMI |
738 | do (password-cache-remove (symbol-name sym))) |
| 739 | (setq auth-source-netrc-cache nil)) | |
| b8e0f0cd G |
740 | |
| 741 | (defun auth-source-remember (spec found) | |
| 742 | "Remember FOUND search results for SPEC." | |
| 584c9d3f G |
743 | (let ((password-cache-expiry auth-source-cache-expiry)) |
| 744 | (password-cache-add | |
| 745 | (concat auth-source-magic (format "%S" spec)) found))) | |
| b8e0f0cd G |
746 | |
| 747 | (defun auth-source-recall (spec) | |
| 748 | "Recall FOUND search results for SPEC." | |
| 749 | (password-read-from-cache | |
| 750 | (concat auth-source-magic (format "%S" spec)))) | |
| 751 | ||
| 61e9662e TZ |
752 | (defun auth-source-remembered-p (spec) |
| 753 | "Check if SPEC is remembered." | |
| 754 | (password-in-cache-p | |
| 755 | (concat auth-source-magic (format "%S" spec)))) | |
| 756 | ||
| b8e0f0cd G |
757 | (defun auth-source-forget (spec) |
| 758 | "Forget any cached data matching SPEC exactly. | |
| 759 | ||
| 760 | This is the same SPEC you passed to `auth-source-search'. | |
| 761 | Returns t or nil for forgotten or not found." | |
| 762 | (password-cache-remove (concat auth-source-magic (format "%S" spec)))) | |
| 763 | ||
| 764 | ;;; (loop for sym being the symbols of password-data when (string-match (concat "^" auth-source-magic) (symbol-name sym)) collect (symbol-name sym)) | |
| 765 | ||
| 766 | ;;; (auth-source-remember '(:host "wedd") '(4 5 6)) | |
| 61e9662e | 767 | ;;; (auth-source-remembered-p '(:host "wedd")) |
| b8e0f0cd | 768 | ;;; (auth-source-remember '(:host "xedd") '(1 2 3)) |
| 61e9662e TZ |
769 | ;;; (auth-source-remembered-p '(:host "xedd")) |
| 770 | ;;; (auth-source-remembered-p '(:host "zedd")) | |
| b8e0f0cd G |
771 | ;;; (auth-source-recall '(:host "xedd")) |
| 772 | ;;; (auth-source-recall '(:host t)) | |
| 773 | ;;; (auth-source-forget+ :host t) | |
| 774 | ||
| 775 | (defun* auth-source-forget+ (&rest spec &allow-other-keys) | |
| 776 | "Forget any cached data matching SPEC. Returns forgotten count. | |
| 777 | ||
| 778 | This is not a full `auth-source-search' spec but works similarly. | |
| 779 | For instance, \(:host \"myhost\" \"yourhost\") would find all the | |
| 780 | cached data that was found with a search for those two hosts, | |
| 781 | while \(:host t) would find all host entries." | |
| 782 | (let ((count 0) | |
| 783 | sname) | |
| 784 | (loop for sym being the symbols of password-data | |
| 785 | ;; when the symbol name matches with auth-source-magic | |
| 786 | when (and (setq sname (symbol-name sym)) | |
| 787 | (string-match (concat "^" auth-source-magic "\\(.+\\)") | |
| 788 | sname) | |
| 789 | ;; and the spec matches what was stored in the cache | |
| 790 | (auth-source-specmatchp spec (read (match-string 1 sname)))) | |
| 791 | ;; remove that key | |
| 792 | do (progn | |
| 793 | (password-cache-remove sname) | |
| 794 | (incf count))) | |
| 795 | count)) | |
| 796 | ||
| 797 | (defun auth-source-specmatchp (spec stored) | |
| 798 | (let ((keys (loop for i below (length spec) by 2 | |
| 799 | collect (nth i spec)))) | |
| 800 | (not (eq | |
| 801 | (dolist (key keys) | |
| 802 | (unless (auth-source-search-collection (plist-get stored key) | |
| 803 | (plist-get spec key)) | |
| 804 | (return 'no))) | |
| 805 | 'no)))) | |
| 806 | ||
| f3b54b0e TZ |
807 | ;;; (auth-source-pick-first-password :host "z.lifelogs.com") |
| 808 | ;;; (auth-source-pick-first-password :port "imap") | |
| 809 | (defun auth-source-pick-first-password (&rest spec) | |
| 810 | "Pick the first secret found from applying SPEC to `auth-source-search'." | |
| 811 | (let* ((result (nth 0 (apply 'auth-source-search (plist-put spec :max 1)))) | |
| 812 | (secret (plist-get result :secret))) | |
| 813 | ||
| 814 | (if (functionp secret) | |
| 815 | (funcall secret) | |
| 816 | secret))) | |
| 817 | ||
| 818 | ;; (auth-source-format-prompt "test %u %h %p" '((?u "user") (?h "host"))) | |
| 819 | (defun auth-source-format-prompt (prompt alist) | |
| 820 | "Format PROMPT using %x (for any character x) specifiers in ALIST." | |
| 821 | (dolist (cell alist) | |
| 822 | (let ((c (nth 0 cell)) | |
| 823 | (v (nth 1 cell))) | |
| 824 | (when (and c v) | |
| 4248cca2 TZ |
825 | (setq prompt (replace-regexp-in-string (format "%%%c" c) |
| 826 | (format "%s" v) | |
| 827 | prompt))))) | |
| f3b54b0e | 828 | prompt) |
| b8e0f0cd | 829 | |
| 8e22bee0 G |
830 | (defun auth-source-ensure-strings (values) |
| 831 | (unless (listp values) | |
| 832 | (setq values (list values))) | |
| 833 | (mapcar (lambda (value) | |
| 834 | (if (numberp value) | |
| 835 | (format "%s" value) | |
| 836 | value)) | |
| 837 | values)) | |
| 838 | ||
| f3b54b0e TZ |
839 | ;;; Backend specific parsing: netrc/authinfo backend |
| 840 | ||
| b8e0f0cd G |
841 | ;;; (auth-source-netrc-parse "~/.authinfo.gpg") |
| 842 | (defun* auth-source-netrc-parse (&rest | |
| 843 | spec | |
| 733afdf4 | 844 | &key file max host user port delete require |
| b8e0f0cd G |
845 | &allow-other-keys) |
| 846 | "Parse FILE and return a list of all entries in the file. | |
| 847 | Note that the MAX parameter is used so we can exit the parse early." | |
| 848 | (if (listp file) | |
| 849 | ;; We got already parsed contents; just return it. | |
| 850 | file | |
| 851 | (when (file-exists-p file) | |
| 8e22bee0 | 852 | (setq port (auth-source-ensure-strings port)) |
| b8e0f0cd | 853 | (with-temp-buffer |
| 4a3988d5 G |
854 | (let* ((tokens '("machine" "host" "default" "login" "user" |
| 855 | "password" "account" "macdef" "force" | |
| 856 | "port" "protocol")) | |
| 857 | (max (or max 5000)) ; sanity check: default to stop at 5K | |
| 858 | (modified 0) | |
| 859 | (cached (cdr-safe (assoc file auth-source-netrc-cache))) | |
| 860 | (cached-mtime (plist-get cached :mtime)) | |
| 861 | (cached-secrets (plist-get cached :secret)) | |
| 862 | alist elem result pair) | |
| 863 | ||
| 864 | (if (and (functionp cached-secrets) | |
| 865 | (equal cached-mtime | |
| 866 | (nth 5 (file-attributes file)))) | |
| 867 | (progn | |
| 868 | (auth-source-do-trivia | |
| 869 | "auth-source-netrc-parse: using CACHED file data for %s" | |
| 870 | file) | |
| 871 | (insert (funcall cached-secrets))) | |
| 872 | (insert-file-contents file) | |
| 873 | ;; cache all netrc files (used to be just .gpg files) | |
| 874 | ;; Store the contents of the file heavily encrypted in memory. | |
| 875 | ;; (note for the irony-impaired: they are just obfuscated) | |
| 876 | (aput 'auth-source-netrc-cache file | |
| 877 | (list :mtime (nth 5 (file-attributes file)) | |
| 878 | :secret (lexical-let ((v (rot13-string | |
| 879 | (base64-encode-string | |
| 880 | (buffer-string))))) | |
| 881 | (lambda () (base64-decode-string | |
| 882 | (rot13-string v))))))) | |
| b8e0f0cd G |
883 | (goto-char (point-min)) |
| 884 | ;; Go through the file, line by line. | |
| 885 | (while (and (not (eobp)) | |
| 886 | (> max 0)) | |
| 887 | ||
| 888 | (narrow-to-region (point) (point-at-eol)) | |
| 889 | ;; For each line, get the tokens and values. | |
| 890 | (while (not (eobp)) | |
| 891 | (skip-chars-forward "\t ") | |
| 892 | ;; Skip lines that begin with a "#". | |
| 893 | (if (eq (char-after) ?#) | |
| 894 | (goto-char (point-max)) | |
| 895 | (unless (eobp) | |
| 896 | (setq elem | |
| 897 | (if (= (following-char) ?\") | |
| 898 | (read (current-buffer)) | |
| 899 | (buffer-substring | |
| 900 | (point) (progn (skip-chars-forward "^\t ") | |
| 901 | (point))))) | |
| 902 | (cond | |
| 903 | ((equal elem "macdef") | |
| 904 | ;; We skip past the macro definition. | |
| 905 | (widen) | |
| 906 | (while (and (zerop (forward-line 1)) | |
| 907 | (looking-at "$"))) | |
| 908 | (narrow-to-region (point) (point))) | |
| 909 | ((member elem tokens) | |
| 910 | ;; Tokens that don't have a following value are ignored, | |
| 911 | ;; except "default". | |
| 912 | (when (and pair (or (cdr pair) | |
| 913 | (equal (car pair) "default"))) | |
| 914 | (push pair alist)) | |
| 915 | (setq pair (list elem))) | |
| 916 | (t | |
| 917 | ;; Values that haven't got a preceding token are ignored. | |
| 918 | (when pair | |
| 919 | (setcdr pair elem) | |
| 920 | (push pair alist) | |
| 921 | (setq pair nil))))))) | |
| 922 | ||
| 923 | (when (and alist | |
| 924 | (> max 0) | |
| 925 | (auth-source-search-collection | |
| 926 | host | |
| 927 | (or | |
| 928 | (aget alist "machine") | |
| 35123c04 TZ |
929 | (aget alist "host") |
| 930 | t)) | |
| b8e0f0cd G |
931 | (auth-source-search-collection |
| 932 | user | |
| 933 | (or | |
| 934 | (aget alist "login") | |
| 935 | (aget alist "account") | |
| 35123c04 TZ |
936 | (aget alist "user") |
| 937 | t)) | |
| b8e0f0cd | 938 | (auth-source-search-collection |
| 35123c04 | 939 | port |
| b8e0f0cd G |
940 | (or |
| 941 | (aget alist "port") | |
| 35123c04 | 942 | (aget alist "protocol") |
| 733afdf4 TZ |
943 | t)) |
| 944 | (or | |
| 945 | ;; the required list of keys is nil, or | |
| 946 | (null require) | |
| 947 | ;; every element of require is in the normalized list | |
| 948 | (let ((normalized (nth 0 (auth-source-netrc-normalize | |
| 2b8c5660 | 949 | (list alist) file)))) |
| 733afdf4 TZ |
950 | (loop for req in require |
| 951 | always (plist-get normalized req))))) | |
| b8e0f0cd G |
952 | (decf max) |
| 953 | (push (nreverse alist) result) | |
| 954 | ;; to delete a line, we just comment it out | |
| 955 | (when delete | |
| 956 | (goto-char (point-min)) | |
| 957 | (insert "#") | |
| 958 | (incf modified))) | |
| 959 | (setq alist nil | |
| 960 | pair nil) | |
| 961 | (widen) | |
| 962 | (forward-line 1)) | |
| 963 | ||
| 964 | (when (< 0 modified) | |
| 965 | (when auth-source-gpg-encrypt-to | |
| 966 | ;; (see bug#7487) making `epa-file-encrypt-to' local to | |
| 967 | ;; this buffer lets epa-file skip the key selection query | |
| 968 | ;; (see the `local-variable-p' check in | |
| 969 | ;; `epa-file-write-region'). | |
| 970 | (unless (local-variable-p 'epa-file-encrypt-to (current-buffer)) | |
| 971 | (make-local-variable 'epa-file-encrypt-to)) | |
| 972 | (if (listp auth-source-gpg-encrypt-to) | |
| 973 | (setq epa-file-encrypt-to auth-source-gpg-encrypt-to))) | |
| 974 | ||
| 975 | ;; ask AFTER we've successfully opened the file | |
| 733afdf4 | 976 | (when (y-or-n-p (format "Save file %s? (%d deletions)" |
| b8e0f0cd G |
977 | file modified)) |
| 978 | (write-region (point-min) (point-max) file nil 'silent) | |
| 979 | (auth-source-do-debug | |
| 980 | "auth-source-netrc-parse: modified %d lines in %s" | |
| 981 | modified file))) | |
| 982 | ||
| 983 | (nreverse result)))))) | |
| 984 | ||
| 936d08bb G |
985 | (defvar auth-source-passphrase-alist nil) |
| 986 | ||
| 987 | (defun auth-source-passphrase-callback-function (context key-id handback | |
| 988 | &optional sym-detail) | |
| 989 | "Exactly like `epa-passphrase-callback-function' but takes an | |
| 990 | extra SYM-DETAIL parameter which will be printed at the end of | |
| 991 | the symmetric passphrase prompt, and assumes symmetric | |
| 992 | encryption." | |
| 993 | (read-passwd | |
| 994 | (format "Passphrase for symmetric encryption%s%s: " | |
| 995 | ;; Add the file name to the prompt, if any. | |
| 996 | (if (stringp handback) | |
| 997 | (format " for %s" handback) | |
| 998 | "") | |
| 999 | (if (stringp sym-detail) | |
| 1000 | sym-detail | |
| 1001 | "")) | |
| 1002 | (eq (epg-context-operation context) 'encrypt))) | |
| 1003 | ||
| 1004 | (defun auth-source-token-passphrase-callback-function (context key-id file) | |
| 1005 | (if (eq key-id 'SYM) | |
| 1006 | (let* ((file (file-truename file)) | |
| 1007 | (entry (assoc file auth-source-passphrase-alist)) | |
| 1008 | passphrase) | |
| 1009 | ;; return the saved passphrase, calling a function if needed | |
| 1010 | (or (copy-sequence (if (functionp (cdr entry)) | |
| 1011 | (funcall (cdr entry)) | |
| 1012 | (cdr entry))) | |
| 1013 | (progn | |
| 1014 | (unless entry | |
| 1015 | (setq entry (list file)) | |
| 1016 | (push entry auth-source-passphrase-alist)) | |
| 1017 | (setq passphrase (auth-source-passphrase-callback-function context | |
| 1018 | key-id | |
| 1019 | file | |
| 1020 | " tokens")) | |
| 1021 | (setcdr entry (lexical-let ((p (copy-sequence passphrase))) | |
| 1022 | (lambda () p))) | |
| 1023 | passphrase))) | |
| 1024 | (epa-passphrase-callback-function context key-id file))) | |
| 1025 | ||
| 1026 | ;; (auth-source-epa-extract-gpg-token "gpg:LS0tLS1CRUdJTiBQR1AgTUVTU0FHRS0tLS0tClZlcnNpb246IEdudVBHIHYxLjQuMTEgKEdOVS9MaW51eCkKCmpBMEVBd01DT25qMjB1ak9rZnRneVI3K21iNm9aZWhuLzRad3cySkdlbnVaKzRpeEswWDY5di9icDI1U1dsQT0KPS9yc2wKLS0tLS1FTkQgUEdQIE1FU1NBR0UtLS0tLQo=" "~/.netrc") | |
| 1027 | (defun auth-source-epa-extract-gpg-token (secret file) | |
| 1028 | "Pass either the decoded SECRET or the gpg:BASE64DATA version. | |
| 1029 | FILE is the file from which we obtained this token." | |
| 1030 | (when (string-match "^gpg:\\(.+\\)" secret) | |
| 1031 | (setq secret (base64-decode-string (match-string 1 secret)))) | |
| 1032 | (let ((context (epg-make-context 'OpenPGP)) | |
| 1033 | plain) | |
| 1034 | (epg-context-set-passphrase-callback | |
| 1035 | context | |
| 1036 | (cons #'auth-source-token-passphrase-callback-function | |
| 1037 | file)) | |
| 1038 | (epg-decrypt-string context secret))) | |
| 1039 | ||
| 1040 | ;; (insert (auth-source-epa-make-gpg-token "mysecret" "~/.netrc")) | |
| 2b8c5660 | 1041 | (defun auth-source-epa-make-gpg-token (secret file) |
| 936d08bb G |
1042 | (let ((context (epg-make-context 'OpenPGP)) |
| 1043 | (pp-escape-newlines nil) | |
| 1044 | cipher) | |
| 1045 | (epg-context-set-armor context t) | |
| 1046 | (epg-context-set-passphrase-callback | |
| 1047 | context | |
| 1048 | (cons #'auth-source-token-passphrase-callback-function | |
| 1049 | file)) | |
| 1050 | (setq cipher (epg-encrypt-string context secret nil)) | |
| 1051 | (with-temp-buffer | |
| 1052 | (insert cipher) | |
| 1053 | (base64-encode-region (point-min) (point-max) t) | |
| 1054 | (concat "gpg:" (buffer-substring-no-properties | |
| 1055 | (point-min) | |
| 1056 | (point-max)))))) | |
| 2b8c5660 TZ |
1057 | |
| 1058 | (defun auth-source-netrc-normalize (alist filename) | |
| b8e0f0cd G |
1059 | (mapcar (lambda (entry) |
| 1060 | (let (ret item) | |
| 1061 | (while (setq item (pop entry)) | |
| 1062 | (let ((k (car item)) | |
| 1063 | (v (cdr item))) | |
| 1064 | ||
| 1065 | ;; apply key aliases | |
| 1066 | (setq k (cond ((member k '("machine")) "host") | |
| 1067 | ((member k '("login" "account")) "user") | |
| 1068 | ((member k '("protocol")) "port") | |
| 1069 | ((member k '("password")) "secret") | |
| 1070 | (t k))) | |
| 1071 | ||
| 1072 | ;; send back the secret in a function (lexical binding) | |
| 1073 | (when (equal k "secret") | |
| 936d08bb G |
1074 | (setq v (lexical-let ((lexv v) |
| 1075 | (token-decoder nil)) | |
| 1076 | (when (string-match "^gpg:" lexv) | |
| 1077 | ;; it's a GPG token: create a token decoder | |
| 1078 | ;; which unsets itself once | |
| 1079 | (setq token-decoder | |
| 1080 | (lambda (val) | |
| 1081 | (prog1 | |
| 1082 | (auth-source-epa-extract-gpg-token | |
| 1083 | val | |
| 1084 | filename) | |
| 1085 | (setq token-decoder nil))))) | |
| 1086 | (lambda () | |
| 1087 | (when token-decoder | |
| 1088 | (setq lexv (funcall token-decoder lexv))) | |
| 1089 | lexv)))) | |
| 2b8c5660 TZ |
1090 | (setq ret (plist-put ret |
| 1091 | (intern (concat ":" k)) | |
| 1092 | v)))) | |
| 1093 | ret)) | |
| 1094 | alist)) | |
| b8e0f0cd G |
1095 | |
| 1096 | ;;; (setq secret (plist-get (nth 0 (auth-source-search :host t :type 'netrc :K 1 :max 1)) :secret)) | |
| 1097 | ;;; (funcall secret) | |
| 1098 | ||
| 1099 | (defun* auth-source-netrc-search (&rest | |
| 1100 | spec | |
| 733afdf4 | 1101 | &key backend require create delete |
| 35123c04 | 1102 | type max host user port |
| b8e0f0cd G |
1103 | &allow-other-keys) |
| 1104 | "Given a property list SPEC, return search matches from the :backend. | |
| 1105 | See `auth-source-search' for details on SPEC." | |
| 1106 | ;; just in case, check that the type is correct (null or same as the backend) | |
| 1107 | (assert (or (null type) (eq type (oref backend type))) | |
| d5e9a4e9 | 1108 | t "Invalid netrc search: %s %s") |
| b8e0f0cd G |
1109 | |
| 1110 | (let ((results (auth-source-netrc-normalize | |
| 1111 | (auth-source-netrc-parse | |
| 1112 | :max max | |
| 733afdf4 | 1113 | :require require |
| b8e0f0cd G |
1114 | :delete delete |
| 1115 | :file (oref backend source) | |
| 1116 | :host (or host t) | |
| 1117 | :user (or user t) | |
| 2b8c5660 TZ |
1118 | :port (or port t)) |
| 1119 | (oref backend source)))) | |
| b8e0f0cd G |
1120 | |
| 1121 | ;; if we need to create an entry AND none were found to match | |
| 1122 | (when (and create | |
| 4a3988d5 | 1123 | (not results)) |
| b8e0f0cd | 1124 | |
| 584c9d3f G |
1125 | ;; create based on the spec and record the value |
| 1126 | (setq results (or | |
| 1127 | ;; if the user did not want to create the entry | |
| 1128 | ;; in the file, it will be returned | |
| 1129 | (apply (slot-value backend 'create-function) spec) | |
| 1130 | ;; if not, we do the search again without :create | |
| 1131 | ;; to get the updated data. | |
| 1132 | ||
| 1133 | ;; the result will be returned, even if the search fails | |
| 1134 | (apply 'auth-source-netrc-search | |
| 1135 | (plist-put spec :create nil))))) | |
| b8e0f0cd G |
1136 | results)) |
| 1137 | ||
| fa41748c G |
1138 | (defun auth-source-netrc-element-or-first (v) |
| 1139 | (if (listp v) | |
| 1140 | (nth 0 v) | |
| 1141 | v)) | |
| 1142 | ||
| b8e0f0cd G |
1143 | ;;; (auth-source-search :host "nonesuch" :type 'netrc :max 1 :create t) |
| 1144 | ;;; (auth-source-search :host "nonesuch" :type 'netrc :max 1 :create t :create-extra-keys '((A "default A") (B))) | |
| 1145 | ||
| 1146 | (defun* auth-source-netrc-create (&rest spec | |
| 1147 | &key backend | |
| 35123c04 | 1148 | secret host user port create |
| b8e0f0cd | 1149 | &allow-other-keys) |
| 35123c04 | 1150 | (let* ((base-required '(host user port secret)) |
| b8e0f0cd G |
1151 | ;; we know (because of an assertion in auth-source-search) that the |
| 1152 | ;; :create parameter is either t or a list (which includes nil) | |
| 1153 | (create-extra (if (eq t create) nil create)) | |
| ddb7ffee LMI |
1154 | (current-data (car (auth-source-search :max 1 |
| 1155 | :host host | |
| 1156 | :port port))) | |
| b8e0f0cd G |
1157 | (required (append base-required create-extra)) |
| 1158 | (file (oref backend source)) | |
| 1159 | (add "") | |
| 1160 | ;; `valist' is an alist | |
| 584c9d3f G |
1161 | valist |
| 1162 | ;; `artificial' will be returned if no creation is needed | |
| 1163 | artificial) | |
| b8e0f0cd G |
1164 | |
| 1165 | ;; only for base required elements (defined as function parameters): | |
| 1166 | ;; fill in the valist with whatever data we may have from the search | |
| 7ba93e94 | 1167 | ;; we complete the first value if it's a list and use the value otherwise |
| b8e0f0cd G |
1168 | (dolist (br base-required) |
| 1169 | (when (symbol-value br) | |
| 7ba93e94 G |
1170 | (let ((br-choice (cond |
| 1171 | ;; all-accepting choice (predicate is t) | |
| 1172 | ((eq t (symbol-value br)) nil) | |
| 1173 | ;; just the value otherwise | |
| 1174 | (t (symbol-value br))))) | |
| 1175 | (when br-choice | |
| 1176 | (aput 'valist br br-choice))))) | |
| b8e0f0cd G |
1177 | |
| 1178 | ;; for extra required elements, see if the spec includes a value for them | |
| 1179 | (dolist (er create-extra) | |
| 1180 | (let ((name (concat ":" (symbol-name er))) | |
| 1181 | (keys (loop for i below (length spec) by 2 | |
| 1182 | collect (nth i spec)))) | |
| 1183 | (dolist (k keys) | |
| 1184 | (when (equal (symbol-name k) name) | |
| 1185 | (aput 'valist er (plist-get spec k)))))) | |
| 1186 | ||
| 1187 | ;; for each required element | |
| 1188 | (dolist (r required) | |
| 1189 | (let* ((data (aget valist r)) | |
| 4a3988d5 | 1190 | ;; take the first element if the data is a list |
| ddb7ffee LMI |
1191 | (data (or (auth-source-netrc-element-or-first data) |
| 1192 | (plist-get current-data | |
| 1193 | (intern (format ":%s" r) obarray)))) | |
| 4a3988d5 | 1194 | ;; this is the default to be offered |
| b8e0f0cd | 1195 | (given-default (aget auth-source-creation-defaults r)) |
| 733afdf4 TZ |
1196 | ;; the default supplementals are simple: |
| 1197 | ;; for the user, try `given-default' and then (user-login-name); | |
| 1198 | ;; otherwise take `given-default' | |
| b8e0f0cd | 1199 | (default (cond |
| 733afdf4 TZ |
1200 | ((and (not given-default) (eq r 'user)) |
| 1201 | (user-login-name)) | |
| 003522ce G |
1202 | (t given-default))) |
| 1203 | (printable-defaults (list | |
| 1204 | (cons 'user | |
| 1205 | (or | |
| 1206 | (auth-source-netrc-element-or-first | |
| 1207 | (aget valist 'user)) | |
| 1208 | (plist-get artificial :user) | |
| 1209 | "[any user]")) | |
| 1210 | (cons 'host | |
| 1211 | (or | |
| 1212 | (auth-source-netrc-element-or-first | |
| 1213 | (aget valist 'host)) | |
| 1214 | (plist-get artificial :host) | |
| 1215 | "[any host]")) | |
| 1216 | (cons 'port | |
| 1217 | (or | |
| 1218 | (auth-source-netrc-element-or-first | |
| 1219 | (aget valist 'port)) | |
| 1220 | (plist-get artificial :port) | |
| 1221 | "[any port]")))) | |
| 1222 | (prompt (or (aget auth-source-creation-prompts r) | |
| 1223 | (case r | |
| 733afdf4 TZ |
1224 | (secret "%p password for %u@%h: ") |
| 1225 | (user "%p user name for %h: ") | |
| 1226 | (host "%p host name for user %u: ") | |
| 1227 | (port "%p port for %u@%h: ")) | |
| 003522ce G |
1228 | (format "Enter %s (%%u@%%h:%%p): " r))) |
| 1229 | (prompt (auth-source-format-prompt | |
| 1230 | prompt | |
| 1231 | `((?u ,(aget printable-defaults 'user)) | |
| 1232 | (?h ,(aget printable-defaults 'host)) | |
| 1233 | (?p ,(aget printable-defaults 'port)))))) | |
| 4a3988d5 | 1234 | |
| aa2ebce9 | 1235 | ;; Store the data, prompting for the password if needed. |
| 4a3988d5 G |
1236 | (setq data |
| 1237 | (cond | |
| 1238 | ((and (null data) (eq r 'secret)) | |
| aa2ebce9 | 1239 | ;; Special case prompt for passwords. |
| 61e6a0ac TZ |
1240 | ;; TODO: make the default (setq auth-source-netrc-use-gpg-tokens `((,(if (boundp 'epa-file-auto-mode-alist-entry) (car (symbol-value 'epa-file-auto-mode-alist-entry)) "\\.gpg\\'") nil) (t gpg))) |
| 1241 | ;; TODO: or maybe leave as (setq auth-source-netrc-use-gpg-tokens 'never) | |
| 1242 | (let* ((ep (format "Use GPG password tokens in %s?" file)) | |
| 2b8c5660 | 1243 | (gpg-encrypt |
| 61e6a0ac TZ |
1244 | (cond |
| 1245 | ((eq auth-source-netrc-use-gpg-tokens 'never) | |
| 1246 | 'never) | |
| 1247 | ((listp auth-source-netrc-use-gpg-tokens) | |
| 1248 | (let ((check (copy-sequence | |
| 1249 | auth-source-netrc-use-gpg-tokens)) | |
| 1250 | item ret) | |
| 1251 | (while check | |
| 1252 | (setq item (pop check)) | |
| 1253 | (when (or (eq (car item) t) | |
| 1254 | (string-match (car item) file)) | |
| 1255 | (setq ret (cdr item)) | |
| 1256 | (setq check nil))))) | |
| 1257 | (t 'never))) | |
| 2b8c5660 | 1258 | (plain (read-passwd prompt))) |
| 61e6a0ac TZ |
1259 | ;; ask if we don't know what to do (in which case |
| 1260 | ;; auth-source-netrc-use-gpg-tokens must be a list) | |
| 1261 | (unless gpg-encrypt | |
| 1262 | (setq gpg-encrypt (if (y-or-n-p ep) 'gpg 'never)) | |
| 1263 | ;; TODO: save the defcustom now? or ask? | |
| 1264 | (setq auth-source-netrc-use-gpg-tokens | |
| 1265 | (cons `(,file ,gpg-encrypt) | |
| 1266 | auth-source-netrc-use-gpg-tokens))) | |
| 1267 | (if (eq gpg-encrypt 'gpg) | |
| 2b8c5660 TZ |
1268 | (auth-source-epa-make-gpg-token plain file) |
| 1269 | plain))) | |
| 003522ce | 1270 | ((null data) |
| 67613d31 | 1271 | (when default |
| aa2ebce9 SM |
1272 | (setq prompt |
| 1273 | (if (string-match ": *\\'" prompt) | |
| 1274 | (concat (substring prompt 0 (match-beginning 0)) | |
| 1275 | " (default " default "): ") | |
| 1276 | (concat prompt "(default " default ") ")))) | |
| 4248cca2 | 1277 | (read-string prompt nil nil default)) |
| fa41748c | 1278 | (t (or data default)))) |
| b8e0f0cd | 1279 | |
| 584c9d3f G |
1280 | (when data |
| 1281 | (setq artificial (plist-put artificial | |
| 1282 | (intern (concat ":" (symbol-name r))) | |
| 1283 | (if (eq r 'secret) | |
| 1284 | (lexical-let ((data data)) | |
| 1285 | (lambda () data)) | |
| 1286 | data)))) | |
| 1287 | ||
| aa2ebce9 | 1288 | ;; When r is not an empty string... |
| b8e0f0cd G |
1289 | (when (and (stringp data) |
| 1290 | (< 0 (length data))) | |
| 4a3988d5 G |
1291 | ;; this function is not strictly necessary but I think it |
| 1292 | ;; makes the code clearer -tzz | |
| 1293 | (let ((printer (lambda () | |
| 7ba93e94 G |
1294 | ;; append the key (the symbol name of r) |
| 1295 | ;; and the value in r | |
| 6a6e4d93 | 1296 | (format "%s%s %s" |
| 7ba93e94 G |
1297 | ;; prepend a space |
| 1298 | (if (zerop (length add)) "" " ") | |
| 1299 | ;; remap auth-source tokens to netrc | |
| 1300 | (case r | |
| 0adf5618 SM |
1301 | (user "login") |
| 1302 | (host "machine") | |
| 1303 | (secret "password") | |
| 1304 | (port "port") ; redundant but clearer | |
| b8e0f0cd | 1305 | (t (symbol-name r))) |
| 6a6e4d93 LMI |
1306 | (if (string-match "[\" ]" data) |
| 1307 | (format "%S" data) | |
| 1308 | data))))) | |
| 4a3988d5 | 1309 | (setq add (concat add (funcall printer))))))) |
| b8e0f0cd | 1310 | |
| 733afdf4 TZ |
1311 | (plist-put |
| 1312 | artificial | |
| 1313 | :save-function | |
| 1314 | (lexical-let ((file file) | |
| 1315 | (add add)) | |
| 1316 | (lambda () (auth-source-netrc-saver file add)))) | |
| 1317 | ||
| 1318 | (list artificial))) | |
| 1319 | ||
| 4248cca2 | 1320 | ;;(funcall (plist-get (nth 0 (auth-source-search :host '("nonesuch2") :user "tzz" :port "imap" :create t :max 1)) :save-function)) |
| 733afdf4 TZ |
1321 | (defun auth-source-netrc-saver (file add) |
| 1322 | "Save a line ADD in FILE, prompting along the way. | |
| 4248cca2 TZ |
1323 | Respects `auth-source-save-behavior'. Uses |
| 1324 | `auth-source-netrc-cache' to avoid prompting more than once." | |
| 1325 | (let* ((key (format "%s %s" file (rfc2104-hash 'md5 64 16 file add))) | |
| 1326 | (cached (assoc key auth-source-netrc-cache))) | |
| 1327 | ||
| 1328 | (if cached | |
| 1329 | (auth-source-do-trivia | |
| 1330 | "auth-source-netrc-saver: found previous run for key %s, returning" | |
| 1331 | key) | |
| 1332 | (with-temp-buffer | |
| 1333 | (when (file-exists-p file) | |
| 1334 | (insert-file-contents file)) | |
| 1335 | (when auth-source-gpg-encrypt-to | |
| 1336 | ;; (see bug#7487) making `epa-file-encrypt-to' local to | |
| 1337 | ;; this buffer lets epa-file skip the key selection query | |
| 1338 | ;; (see the `local-variable-p' check in | |
| 1339 | ;; `epa-file-write-region'). | |
| 1340 | (unless (local-variable-p 'epa-file-encrypt-to (current-buffer)) | |
| 1341 | (make-local-variable 'epa-file-encrypt-to)) | |
| 1342 | (if (listp auth-source-gpg-encrypt-to) | |
| 1343 | (setq epa-file-encrypt-to auth-source-gpg-encrypt-to))) | |
| 1344 | ;; we want the new data to be found first, so insert at beginning | |
| 1345 | (goto-char (point-min)) | |
| 1346 | ||
| aa2ebce9 | 1347 | ;; Ask AFTER we've successfully opened the file. |
| 4248cca2 TZ |
1348 | (let ((prompt (format "Save auth info to file %s? " file)) |
| 1349 | (done (not (eq auth-source-save-behavior 'ask))) | |
| 1350 | (bufname "*auth-source Help*") | |
| 1351 | k) | |
| 1352 | (while (not done) | |
| 1353 | (setq k (auth-source-read-char-choice prompt '(?y ?n ?N ?e ??))) | |
| 1354 | (case k | |
| 1355 | (?y (setq done t)) | |
| 1356 | (?? (save-excursion | |
| 1357 | (with-output-to-temp-buffer bufname | |
| 1358 | (princ | |
| 1359 | (concat "(y)es, save\n" | |
| 1360 | "(n)o but use the info\n" | |
| 1361 | "(N)o and don't ask to save again\n" | |
| 1362 | "(e)dit the line\n" | |
| 1363 | "(?) for help as you can see.\n")) | |
| aa2ebce9 SM |
1364 | ;; Why? Doesn't with-output-to-temp-buffer already do |
| 1365 | ;; the exact same thing anyway? --Stef | |
| 4248cca2 TZ |
1366 | (set-buffer standard-output) |
| 1367 | (help-mode)))) | |
| 1368 | (?n (setq add "" | |
| 1369 | done t)) | |
| 3451795c LMI |
1370 | (?N |
| 1371 | (setq add "" | |
| 1372 | done t) | |
| 1373 | (customize-save-variable 'auth-source-save-behavior nil)) | |
| 4248cca2 TZ |
1374 | (?e (setq add (read-string "Line to add: " add))) |
| 1375 | (t nil))) | |
| 1376 | ||
| 1377 | (when (get-buffer-window bufname) | |
| 1378 | (delete-window (get-buffer-window bufname))) | |
| 1379 | ||
| aa2ebce9 | 1380 | ;; Make sure the info is not saved. |
| 4248cca2 TZ |
1381 | (when (null auth-source-save-behavior) |
| 1382 | (setq add "")) | |
| 1383 | ||
| 1384 | (when (< 0 (length add)) | |
| 1385 | (progn | |
| 1386 | (unless (bolp) | |
| 1387 | (insert "\n")) | |
| 1388 | (insert add "\n") | |
| 1389 | (write-region (point-min) (point-max) file nil 'silent) | |
| 1390 | (auth-source-do-debug | |
| 1391 | "auth-source-netrc-create: wrote 1 new line to %s" | |
| 1392 | file) | |
| 1393 | (message "Saved new authentication information to %s" file) | |
| 1394 | nil)))) | |
| 1395 | (aput 'auth-source-netrc-cache key "ran")))) | |
| b8e0f0cd G |
1396 | |
| 1397 | ;;; Backend specific parsing: Secrets API backend | |
| 1398 | ||
| 1399 | ;;; (let ((auth-sources '(default))) (auth-source-search :max 1 :create t)) | |
| 1400 | ;;; (let ((auth-sources '(default))) (auth-source-search :max 1 :delete t)) | |
| 1401 | ;;; (let ((auth-sources '(default))) (auth-source-search :max 1)) | |
| 1402 | ;;; (let ((auth-sources '(default))) (auth-source-search)) | |
| 5415d076 G |
1403 | ;;; (let ((auth-sources '("secrets:Login"))) (auth-source-search :max 1)) |
| 1404 | ;;; (let ((auth-sources '("secrets:Login"))) (auth-source-search :max 1 :signon_realm "https://git.gnus.org/Git")) | |
| b8e0f0cd G |
1405 | |
| 1406 | (defun* auth-source-secrets-search (&rest | |
| 1407 | spec | |
| 1408 | &key backend create delete label | |
| 35123c04 | 1409 | type max host user port |
| b8e0f0cd G |
1410 | &allow-other-keys) |
| 1411 | "Search the Secrets API; spec is like `auth-source'. | |
| 1412 | ||
| 1413 | The :label key specifies the item's label. It is the only key | |
| 1414 | that can specify a substring. Any :label value besides a string | |
| 1415 | will allow any label. | |
| 1416 | ||
| 1417 | All other search keys must match exactly. If you need substring | |
| 1418 | matching, do a wider search and narrow it down yourself. | |
| 1419 | ||
| 1420 | You'll get back all the properties of the token as a plist. | |
| 1421 | ||
| 5415d076 | 1422 | Here's an example that looks for the first item in the 'Login' |
| b8e0f0cd G |
1423 | Secrets collection: |
| 1424 | ||
| 5415d076 | 1425 | \(let ((auth-sources '(\"secrets:Login\"))) |
| b8e0f0cd G |
1426 | (auth-source-search :max 1) |
| 1427 | ||
| 5415d076 | 1428 | Here's another that looks for the first item in the 'Login' |
| b8e0f0cd G |
1429 | Secrets collection whose label contains 'gnus': |
| 1430 | ||
| 5415d076 | 1431 | \(let ((auth-sources '(\"secrets:Login\"))) |
| b8e0f0cd G |
1432 | (auth-source-search :max 1 :label \"gnus\") |
| 1433 | ||
| 5415d076 | 1434 | And this one looks for the first item in the 'Login' Secrets |
| b8e0f0cd | 1435 | collection that's a Google Chrome entry for the git.gnus.org site |
| 5415d076 | 1436 | authentication tokens: |
| b8e0f0cd | 1437 | |
| 5415d076 | 1438 | \(let ((auth-sources '(\"secrets:Login\"))) |
| b8e0f0cd G |
1439 | (auth-source-search :max 1 :signon_realm \"https://git.gnus.org/Git\")) |
| 1440 | " | |
| 1441 | ||
| 1442 | ;; TODO | |
| 1443 | (assert (not create) nil | |
| 1444 | "The Secrets API auth-source backend doesn't support creation yet") | |
| 1445 | ;; TODO | |
| 1446 | ;; (secrets-delete-item coll elt) | |
| 1447 | (assert (not delete) nil | |
| 1448 | "The Secrets API auth-source backend doesn't support deletion yet") | |
| 1449 | ||
| 1450 | (let* ((coll (oref backend source)) | |
| 1451 | (max (or max 5000)) ; sanity check: default to stop at 5K | |
| 1452 | (ignored-keys '(:create :delete :max :backend :label)) | |
| 1453 | (search-keys (loop for i below (length spec) by 2 | |
| 1454 | unless (memq (nth i spec) ignored-keys) | |
| 1455 | collect (nth i spec))) | |
| 1456 | ;; build a search spec without the ignored keys | |
| 1457 | ;; if a search key is nil or t (match anything), we skip it | |
| 5415d076 G |
1458 | (search-spec (apply 'append (mapcar |
| 1459 | (lambda (k) | |
| 1460 | (if (or (null (plist-get spec k)) | |
| 1461 | (eq t (plist-get spec k))) | |
| 1462 | nil | |
| 1463 | (list k (plist-get spec k)))) | |
| 1464 | search-keys))) | |
| 35123c04 | 1465 | ;; needed keys (always including host, login, port, and secret) |
| d638ac9e | 1466 | (returned-keys (mm-delete-duplicates (append |
| 35123c04 | 1467 | '(:host :login :port :secret) |
| d638ac9e | 1468 | search-keys))) |
| b8e0f0cd G |
1469 | (items (loop for item in (apply 'secrets-search-items coll search-spec) |
| 1470 | unless (and (stringp label) | |
| 1471 | (not (string-match label item))) | |
| 1472 | collect item)) | |
| 1473 | ;; TODO: respect max in `secrets-search-items', not after the fact | |
| 5415d076 | 1474 | (items (butlast items (- (length items) max))) |
| b8e0f0cd G |
1475 | ;; convert the item name to a full plist |
| 1476 | (items (mapcar (lambda (item) | |
| 1477 | (append | |
| 1478 | ;; make an entry for the secret (password) element | |
| 1479 | (list | |
| 1480 | :secret | |
| 1481 | (lexical-let ((v (secrets-get-secret coll item))) | |
| 1482 | (lambda () v))) | |
| 1483 | ;; rewrite the entry from ((k1 v1) (k2 v2)) to plist | |
| 5415d076 G |
1484 | (apply 'append |
| 1485 | (mapcar (lambda (entry) | |
| 1486 | (list (car entry) (cdr entry))) | |
| 1487 | (secrets-get-attributes coll item))))) | |
| b8e0f0cd G |
1488 | items)) |
| 1489 | ;; ensure each item has each key in `returned-keys' | |
| 1490 | (items (mapcar (lambda (plist) | |
| 1491 | (append | |
| 5415d076 G |
1492 | (apply 'append |
| 1493 | (mapcar (lambda (req) | |
| 1494 | (if (plist-get plist req) | |
| 1495 | nil | |
| 1496 | (list req nil))) | |
| 1497 | returned-keys)) | |
| b8e0f0cd G |
1498 | plist)) |
| 1499 | items))) | |
| 1500 | items)) | |
| 1501 | ||
| 1502 | (defun* auth-source-secrets-create (&rest | |
| 1503 | spec | |
| 35123c04 | 1504 | &key backend type max host user port |
| b8e0f0cd G |
1505 | &allow-other-keys) |
| 1506 | ;; TODO | |
| 1507 | ;; (apply 'secrets-create-item (auth-get-source entry) name passwd spec) | |
| 1508 | (debug spec)) | |
| 1509 | ||
| 8977de27 DU |
1510 | ;;; Backend specific parsing: PLSTORE backend |
| 1511 | ||
| 1512 | (defun* auth-source-plstore-search (&rest | |
| 1513 | spec | |
| 1514 | &key backend create delete label | |
| 1515 | type max host user port | |
| 1516 | &allow-other-keys) | |
| 1517 | "Search the PLSTORE; spec is like `auth-source'." | |
| 1518 | ||
| 1519 | ;; TODO | |
| 1520 | (assert (not delete) nil | |
| 1521 | "The PLSTORE auth-source backend doesn't support deletion yet") | |
| 1522 | ||
| 1523 | (let* ((store (oref backend arg)) | |
| 1524 | (max (or max 5000)) ; sanity check: default to stop at 5K | |
| 1525 | (ignored-keys '(:create :delete :max :backend :require)) | |
| 1526 | (search-keys (loop for i below (length spec) by 2 | |
| 1527 | unless (memq (nth i spec) ignored-keys) | |
| 1528 | collect (nth i spec))) | |
| 1529 | ;; build a search spec without the ignored keys | |
| 1530 | ;; if a search key is nil or t (match anything), we skip it | |
| 1531 | (search-spec (apply 'append (mapcar | |
| 1532 | (lambda (k) | |
| 1533 | (let ((v (plist-get spec k))) | |
| 1534 | (if (or (null v) | |
| 1535 | (eq t v)) | |
| 1536 | nil | |
| 1537 | (if (stringp v) | |
| 1538 | (setq v (list v))) | |
| 1539 | (list k v)))) | |
| 1540 | search-keys))) | |
| 1541 | ;; needed keys (always including host, login, port, and secret) | |
| 1542 | (returned-keys (mm-delete-duplicates (append | |
| 1543 | '(:host :login :port :secret) | |
| 1544 | search-keys))) | |
| 1545 | (items (plstore-find store search-spec)) | |
| 1546 | (items (butlast items (- (length items) max))) | |
| 1547 | ;; convert the item to a full plist | |
| 1548 | (items (mapcar (lambda (item) | |
| 1549 | (let* ((plist (copy-tree (cdr item))) | |
| 1550 | (secret (plist-member plist :secret))) | |
| 1551 | (if secret | |
| 1552 | (setcar | |
| 1553 | (cdr secret) | |
| 1554 | (lexical-let ((v (car (cdr secret)))) | |
| 1555 | (lambda () v)))) | |
| 1556 | plist)) | |
| 1557 | items)) | |
| 1558 | ;; ensure each item has each key in `returned-keys' | |
| 1559 | (items (mapcar (lambda (plist) | |
| 1560 | (append | |
| 1561 | (apply 'append | |
| 1562 | (mapcar (lambda (req) | |
| 1563 | (if (plist-get plist req) | |
| 1564 | nil | |
| 1565 | (list req nil))) | |
| 1566 | returned-keys)) | |
| 1567 | plist)) | |
| 1568 | items))) | |
| 1569 | ;; if we need to create an entry AND none were found to match | |
| 1570 | (when (and create | |
| 1571 | (not items)) | |
| 1572 | ||
| 1573 | ;; create based on the spec and record the value | |
| 1574 | (setq items (or | |
| 1575 | ;; if the user did not want to create the entry | |
| 1576 | ;; in the file, it will be returned | |
| 1577 | (apply (slot-value backend 'create-function) spec) | |
| 1578 | ;; if not, we do the search again without :create | |
| 1579 | ;; to get the updated data. | |
| 1580 | ||
| 1581 | ;; the result will be returned, even if the search fails | |
| 1582 | (apply 'auth-source-plstore-search | |
| 1583 | (plist-put spec :create nil))))) | |
| 1584 | items)) | |
| 1585 | ||
| 1586 | (defun* auth-source-plstore-create (&rest spec | |
| 1587 | &key backend | |
| 1588 | secret host user port create | |
| 1589 | &allow-other-keys) | |
| 1590 | (let* ((base-required '(host user port secret)) | |
| 1591 | (base-secret '(secret)) | |
| 1592 | ;; we know (because of an assertion in auth-source-search) that the | |
| 1593 | ;; :create parameter is either t or a list (which includes nil) | |
| 1594 | (create-extra (if (eq t create) nil create)) | |
| 1595 | (current-data (car (auth-source-search :max 1 | |
| 1596 | :host host | |
| 1597 | :port port))) | |
| 1598 | (required (append base-required create-extra)) | |
| 1599 | (file (oref backend source)) | |
| 1600 | (add "") | |
| 1601 | ;; `valist' is an alist | |
| 1602 | valist | |
| 1603 | ;; `artificial' will be returned if no creation is needed | |
| 1604 | artificial | |
| 1605 | secret-artificial) | |
| 1606 | ||
| 1607 | ;; only for base required elements (defined as function parameters): | |
| 1608 | ;; fill in the valist with whatever data we may have from the search | |
| 1609 | ;; we complete the first value if it's a list and use the value otherwise | |
| 1610 | (dolist (br base-required) | |
| 1611 | (when (symbol-value br) | |
| 1612 | (let ((br-choice (cond | |
| 1613 | ;; all-accepting choice (predicate is t) | |
| 1614 | ((eq t (symbol-value br)) nil) | |
| 1615 | ;; just the value otherwise | |
| 1616 | (t (symbol-value br))))) | |
| 1617 | (when br-choice | |
| 1618 | (aput 'valist br br-choice))))) | |
| 1619 | ||
| 1620 | ;; for extra required elements, see if the spec includes a value for them | |
| 1621 | (dolist (er create-extra) | |
| 1622 | (let ((name (concat ":" (symbol-name er))) | |
| 1623 | (keys (loop for i below (length spec) by 2 | |
| 1624 | collect (nth i spec)))) | |
| 1625 | (dolist (k keys) | |
| 1626 | (when (equal (symbol-name k) name) | |
| 1627 | (aput 'valist er (plist-get spec k)))))) | |
| 1628 | ||
| 1629 | ;; for each required element | |
| 1630 | (dolist (r required) | |
| 1631 | (let* ((data (aget valist r)) | |
| 1632 | ;; take the first element if the data is a list | |
| 1633 | (data (or (auth-source-netrc-element-or-first data) | |
| 1634 | (plist-get current-data | |
| 1635 | (intern (format ":%s" r) obarray)))) | |
| 1636 | ;; this is the default to be offered | |
| 1637 | (given-default (aget auth-source-creation-defaults r)) | |
| 1638 | ;; the default supplementals are simple: | |
| 1639 | ;; for the user, try `given-default' and then (user-login-name); | |
| 1640 | ;; otherwise take `given-default' | |
| 1641 | (default (cond | |
| 1642 | ((and (not given-default) (eq r 'user)) | |
| 1643 | (user-login-name)) | |
| 1644 | (t given-default))) | |
| 1645 | (printable-defaults (list | |
| 1646 | (cons 'user | |
| 1647 | (or | |
| 1648 | (auth-source-netrc-element-or-first | |
| 1649 | (aget valist 'user)) | |
| 1650 | (plist-get artificial :user) | |
| 1651 | "[any user]")) | |
| 1652 | (cons 'host | |
| 1653 | (or | |
| 1654 | (auth-source-netrc-element-or-first | |
| 1655 | (aget valist 'host)) | |
| 1656 | (plist-get artificial :host) | |
| 1657 | "[any host]")) | |
| 1658 | (cons 'port | |
| 1659 | (or | |
| 1660 | (auth-source-netrc-element-or-first | |
| 1661 | (aget valist 'port)) | |
| 1662 | (plist-get artificial :port) | |
| 1663 | "[any port]")))) | |
| 1664 | (prompt (or (aget auth-source-creation-prompts r) | |
| 1665 | (case r | |
| 1666 | (secret "%p password for %u@%h: ") | |
| 1667 | (user "%p user name for %h: ") | |
| 1668 | (host "%p host name for user %u: ") | |
| 1669 | (port "%p port for %u@%h: ")) | |
| 1670 | (format "Enter %s (%%u@%%h:%%p): " r))) | |
| 1671 | (prompt (auth-source-format-prompt | |
| 1672 | prompt | |
| 1673 | `((?u ,(aget printable-defaults 'user)) | |
| 1674 | (?h ,(aget printable-defaults 'host)) | |
| 1675 | (?p ,(aget printable-defaults 'port)))))) | |
| 1676 | ||
| 1677 | ;; Store the data, prompting for the password if needed. | |
| 1678 | (setq data | |
| 1679 | (cond | |
| 1680 | ((and (null data) (eq r 'secret)) | |
| 1681 | ;; Special case prompt for passwords. | |
| 1682 | (read-passwd prompt)) | |
| 1683 | ((null data) | |
| 1684 | (when default | |
| 1685 | (setq prompt | |
| 1686 | (if (string-match ": *\\'" prompt) | |
| 1687 | (concat (substring prompt 0 (match-beginning 0)) | |
| 1688 | " (default " default "): ") | |
| 1689 | (concat prompt "(default " default ") ")))) | |
| 1690 | (read-string prompt nil nil default)) | |
| 1691 | (t (or data default)))) | |
| 1692 | ||
| 1693 | (when data | |
| 1694 | (if (member r base-secret) | |
| 1695 | (setq secret-artificial | |
| 1696 | (plist-put secret-artificial | |
| 1697 | (intern (concat ":" (symbol-name r))) | |
| 1698 | data)) | |
| 1699 | (setq artificial (plist-put artificial | |
| 1700 | (intern (concat ":" (symbol-name r))) | |
| 1701 | data)))))) | |
| 1702 | (plstore-put (oref backend arg) | |
| 1703 | (sha1 (format "%s@%s:%s" | |
| 1704 | (plist-get artificial :user) | |
| 1705 | (plist-get artificial :host) | |
| 1706 | (plist-get artificial :port))) | |
| 1707 | artificial secret-artificial) | |
| 1708 | (if (y-or-n-p (format "Save auth info to file %s? " | |
| 1709 | (plstore-get-file (oref backend arg)))) | |
| 1710 | (plstore-save (oref backend arg))))) | |
| 1711 | ||
| b8e0f0cd G |
1712 | ;;; older API |
| 1713 | ||
| 1714 | ;;; (auth-source-user-or-password '("login" "password") "imap.myhost.com" t "tzz") | |
| 1715 | ||
| 1716 | ;; deprecate the old interface | |
| 1717 | (make-obsolete 'auth-source-user-or-password | |
| 1718 | 'auth-source-search "Emacs 24.1") | |
| 1719 | (make-obsolete 'auth-source-forget-user-or-password | |
| 1720 | 'auth-source-forget "Emacs 24.1") | |
| fb178e4c | 1721 | |
| 0e4966fb | 1722 | (defun auth-source-user-or-password |
| 35123c04 TZ |
1723 | (mode host port &optional username create-missing delete-existing) |
| 1724 | "Find MODE (string or list of strings) matching HOST and PORT. | |
| fb178e4c | 1725 | |
| b8e0f0cd G |
1726 | DEPRECATED in favor of `auth-source-search'! |
| 1727 | ||
| fb178e4c KY |
1728 | USERNAME is optional and will be used as \"login\" in a search |
| 1729 | across the Secret Service API (see secrets.el) if the resulting | |
| 1730 | items don't have a username. This means that if you search for | |
| 1731 | username \"joe\" and it matches an item but the item doesn't have | |
| 1732 | a :user attribute, the username \"joe\" will be returned. | |
| 1733 | ||
| 0e4966fb MA |
1734 | A non nil DELETE-EXISTING means deleting any matching password |
| 1735 | entry in the respective sources. This is useful only when | |
| 1736 | CREATE-MISSING is non nil as well; the intended use case is to | |
| 1737 | remove wrong password entries. | |
| 1738 | ||
| 1739 | If no matching entry is found, and CREATE-MISSING is non nil, | |
| 1740 | the password will be retrieved interactively, and it will be | |
| 1741 | stored in the password database which matches best (see | |
| 1742 | `auth-sources'). | |
| 1743 | ||
| 1744 | MODE can be \"login\" or \"password\"." | |
| 554a69b8 | 1745 | (auth-source-do-debug |
| b8e0f0cd | 1746 | "auth-source-user-or-password: DEPRECATED get %s for %s (%s) + user=%s" |
| 35123c04 | 1747 | mode host port username) |
| b8e0f0cd | 1748 | |
| 3b36c17e | 1749 | (let* ((listy (listp mode)) |
| cbabe91f TZ |
1750 | (mode (if listy mode (list mode))) |
| 1751 | (cname (if username | |
| 35123c04 TZ |
1752 | (format "%s %s:%s %s" mode host port username) |
| 1753 | (format "%s %s:%s" mode host port))) | |
| 1754 | (search (list :host host :port port)) | |
| cbabe91f | 1755 | (search (if username (append search (list :user username)) search)) |
| b8e0f0cd G |
1756 | (search (if create-missing |
| 1757 | (append search (list :create t)) | |
| 1758 | search)) | |
| 1759 | (search (if delete-existing | |
| 1760 | (append search (list :delete t)) | |
| 1761 | search)) | |
| 1762 | ;; (found (if (not delete-existing) | |
| 1763 | ;; (gethash cname auth-source-cache) | |
| 1764 | ;; (remhash cname auth-source-cache) | |
| 1765 | ;; nil))) | |
| 1766 | (found nil)) | |
| ed778fad | 1767 | (if found |
| cbabe91f TZ |
1768 | (progn |
| 1769 | (auth-source-do-debug | |
| b8e0f0cd | 1770 | "auth-source-user-or-password: DEPRECATED cached %s=%s for %s (%s) + %s" |
| cbabe91f TZ |
1771 | mode |
| 1772 | ;; don't show the password | |
| b8e0f0cd | 1773 | (if (and (member "password" mode) t) |
| cbabe91f TZ |
1774 | "SECRET" |
| 1775 | found) | |
| 35123c04 | 1776 | host port username) |
| cbabe91f | 1777 | found) ; return the found data |
| b8e0f0cd G |
1778 | ;; else, if not found, search with a max of 1 |
| 1779 | (let ((choice (nth 0 (apply 'auth-source-search | |
| 1780 | (append '(:max 1) search))))) | |
| 1781 | (when choice | |
| 1782 | (dolist (m mode) | |
| 1783 | (cond | |
| 1784 | ((equal "password" m) | |
| 1785 | (push (if (plist-get choice :secret) | |
| 1786 | (funcall (plist-get choice :secret)) | |
| 1787 | nil) found)) | |
| 1788 | ((equal "login" m) | |
| 1789 | (push (plist-get choice :user) found))))) | |
| 1790 | (setq found (nreverse found)) | |
| 1791 | (setq found (if listy found (car-safe found))))) | |
| 9b3ebcb6 | 1792 | |
| b8e0f0cd | 1793 | found)) |
| 8f7abae3 MB |
1794 | |
| 1795 | (provide 'auth-source) | |
| 1796 | ||
| 8f7abae3 | 1797 | ;;; auth-source.el ends here |