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9d866a1f8d
* lisp/abbrev.el (abbrev-suggest-hint-threshold): * lisp/bookmark.el (bookmark-bmenu-file-column) (bookmark-menu-length): * lisp/buff-menu.el (Buffer-menu-size-width) (Buffer-menu-mode-width): * lisp/calendar/calendar.el (calendar-week-start-day) (calendar-intermonth-spacing, calendar-column-width) (calendar-day-digit-width): * lisp/calc/calc.el (calc-undo-length): * lisp/calendar/timeclock.el (timeclock-workday): * lisp/comint.el (comint-buffer-maximum-size) (comint-input-ring-size): * lisp/doc-view.el (doc-view-resolution, doc-view-image-width): * lisp/emacs-lisp/bytecomp.el (byte-compile-docstring-max-column): * lisp/emacs-lisp/comp.el (native-comp-debug) (native-comp-verbose, native-comp-async-jobs-number): * lisp/emacs-lisp/package.el (package-name-column-width) (package-version-column-width, package-status-column-width) (package-archive-column-width): * lisp/eshell/esh-mode.el (eshell-buffer-maximum-lines): * lisp/frame.el (blink-cursor-blinks): * lisp/info.el (Info-breadcrumbs-depth): * lisp/jit-lock.el (jit-lock-chunk-size): * lisp/kmacro.el (kmacro-ring-max): * lisp/menu-bar.el (yank-menu-length, yank-menu-max-items): * lisp/midnight.el (clean-buffer-list-delay-general) (clean-buffer-list-delay-special): * lisp/net/dictionary.el (dictionary-port) (dictionary-proxy-port): * lisp/net/ldap.el (ldap-default-port): * lisp/net/pop3.el (pop3-port, pop3-stream-length): * lisp/net/rcirc.el (rcirc-default-port): * lisp/net/sieve-manage.el (sieve-manage-default-port): * lisp/play/spook.el (spook-phrase-default-count): * lisp/play/tetris.el (tetris-buffer-width) (tetris-buffer-height, tetris-width, tetris-height) (tetris-top-left-x, tetris-top-left-y): * lisp/profiler.el (profiler-sampling-interval): * lisp/progmodes/sql.el (sql-port): * lisp/recentf.el (recentf-max-menu-items): * lisp/strokes.el (strokes-grid-resolution): * lisp/tab-bar.el (tab-bar-tab-name-truncated-max): * lisp/term/xterm.el (xterm-max-cut-length): * lisp/time.el (display-time-interval, world-clock-timer-second): * lisp/url/url-cache.el (url-cache-expire-time): * lisp/url/url-cookie.el (url-cookie-save-interval): * lisp/url/url-history.el (url-history-save-interval): * lisp/url/url-queue.el (url-queue-parallel-processes) (url-queue-timeout): * lisp/url/url-vars.el (url-max-password-attempts) (url-max-redirections): * lisp/vc/emerge.el (emerge-min-visible-lines): * lisp/vc/vc.el (vc-log-show-limit): * lisp/window.el (window-min-height, window-min-width): * lisp/winner.el (winner-ring-size): Use :type natnum. * lisp/savehist.el (savehist-file-modes): Fix setting to nil value and use :type natnum.
511 lines
18 KiB
EmacsLisp
511 lines
18 KiB
EmacsLisp
;;; url-cookie.el --- URL cookie support -*- lexical-binding:t -*-
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;; Copyright (C) 1996-1999, 2004-2022 Free Software Foundation, Inc.
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;; Keywords: comm, data, processes, hypermedia
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'url-util)
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(require 'url-parse)
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(require 'url-domsuf)
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(require 'generate-lisp-file)
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(eval-when-compile (require 'cl-lib))
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(defgroup url-cookie nil
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"URL cookies."
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:prefix "url-"
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:prefix "url-cookie-"
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:group 'url)
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;; A cookie is stored internally as a vector of 7 slots
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;; [ url-cookie NAME VALUE EXPIRES LOCALPART DOMAIN SECURE ]
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(cl-defstruct (url-cookie
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(:constructor url-cookie-create)
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(:copier nil)
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(:type vector)
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:named)
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name value expires localpart domain secure)
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(defvar url-cookie-storage nil "Where cookies are stored.")
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(defvar url-cookie-secure-storage nil "Where secure cookies are stored.")
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(defcustom url-cookie-file nil
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"File where cookies are stored on disk."
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:type '(choice (const :tag "Default" :value nil) file)
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:group 'url-file
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:group 'url-cookie)
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(defcustom url-cookie-confirmation nil
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"If non-nil, confirmation by the user is required to accept HTTP cookies."
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:type 'boolean
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:group 'url-cookie)
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(defcustom url-cookie-multiple-line nil
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"If nil, HTTP requests put all cookies for the server on one line.
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Some web servers, such as https://www.hotmail.com/, only accept cookies
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when they are on one line. This is broken behavior, but just try
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telling Microsoft that."
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:type 'boolean
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:group 'url-cookie)
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(defvar url-cookies-changed-since-last-save nil
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"Whether the cookies list has changed since the last save operation.")
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(defun url-cookie-parse-file (&optional fname)
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"Load FNAME, default `url-cookie-file'."
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;; It's completely normal for the cookies file not to exist yet.
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(load (or fname url-cookie-file) t t))
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(defun url-cookie-parse-file-netscape (filename &optional long-session)
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"Load cookies from FILENAME in Netscape/Mozilla format.
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When LONG-SESSION is non-nil, session cookies (expiring at t=0
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i.e. 1970-1-1) are loaded as expiring one year from now instead."
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(interactive "fLoad Netscape/Mozilla cookie file: ")
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(let ((n 0))
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(with-temp-buffer
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(insert-file-contents-literally filename)
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(goto-char (point-min))
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(when (not (looking-at-p "# Netscape HTTP Cookie File\n"))
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(error (format "File %s doesn't look like a netscape cookie file" filename)))
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(while (not (eobp))
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(when (not (looking-at-p (rx bol (* space) "#")))
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(let* ((line (buffer-substring (point) (save-excursion (end-of-line) (point))))
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(fields (split-string line "\t")))
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(cond
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;;((>= 1 (length line) 0)
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;; (message "skipping empty line"))
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((= (length fields) 7)
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(let ((dom (nth 0 fields))
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;; (match (nth 1 fields))
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(path (nth 2 fields))
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(secure (string= (nth 3 fields) "TRUE"))
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;; session cookies (expire time = 0) are supposed
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;; to be removed when the browser is closed, but
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;; the main point of loading external cookie is to
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;; reuse a browser session, so to prevent the
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;; cookie from being detected as expired straight
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;; away, make it expire a year from now
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(expires (format-time-string
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"%d %b %Y %T [GMT]"
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(let ((s (string-to-number (nth 4 fields))))
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(if (and (zerop s) long-session)
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(time-add nil (* 365 24 60 60))
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s))))
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(key (nth 5 fields))
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(val (nth 6 fields)))
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(cl-incf n)
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;;(message "adding <%s>=<%s> exp=<%s> dom=<%s> path=<%s> sec=%S" key val expires dom path secure)
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(url-cookie-store key val expires dom path secure)
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))
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(t
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(message "ignoring malformed cookie line <%s>" line)))))
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(forward-line))
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(when (< 0 n)
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(setq url-cookies-changed-since-last-save t))
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(message "added %d cookies from file %s" n filename))))
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(defun url-cookie-clean-up (&optional secure)
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(let ((var (if secure 'url-cookie-secure-storage 'url-cookie-storage))
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new new-cookies)
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(dolist (cur (symbol-value var))
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(setq new-cookies nil)
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(dolist (cur-cookie (cdr cur))
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(or (not (url-cookie-p cur-cookie))
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(url-cookie-expired-p cur-cookie)
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(null (url-cookie-expires cur-cookie))
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(setq new-cookies (cons cur-cookie new-cookies))))
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(when new-cookies
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(setcdr cur new-cookies)
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(setq new (cons cur new))))
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(set var new)))
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(defun url-cookie-write-file (&optional fname)
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(when (and url-cookies-changed-since-last-save
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url-cookie-file)
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(or fname (setq fname (expand-file-name url-cookie-file)))
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(if (condition-case nil
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(progn
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(url-make-private-file fname)
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nil)
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(error t))
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(message "Error accessing cookie file `%s'" fname)
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(url-cookie-clean-up)
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(url-cookie-clean-up t)
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(with-temp-buffer
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(insert ";; Emacs-W3 HTTP cookies file\n"
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";; Automatically generated file!!! DO NOT EDIT!!!\n\n"
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"(setq url-cookie-storage\n '")
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(let ((print-length nil) (print-level nil))
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(pp url-cookie-storage (current-buffer))
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(insert ")\n(setq url-cookie-secure-storage\n '")
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(pp url-cookie-secure-storage (current-buffer)))
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(insert ")\n")
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(generate-lisp-file-trailer fname :inhibit-provide t :autoloads t)
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(setq-local version-control 'never)
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(write-file fname))
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(setq url-cookies-changed-since-last-save nil))))
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(defun url-cookie-store (name value &optional expires domain localpart secure)
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"Store a cookie."
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(when (> (length name) 0)
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(let ((storage (if secure url-cookie-secure-storage url-cookie-storage))
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tmp found-domain)
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;; First, look for a matching domain.
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(if (setq found-domain (assoc domain storage))
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;; Need to either stick the new cookie in existing domain storage
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;; or possibly replace an existing cookie if the names match.
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(unless (dolist (cur (setq storage (cdr found-domain)) tmp)
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(and (equal localpart (url-cookie-localpart cur))
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(equal name (url-cookie-name cur))
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(progn
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(setf (url-cookie-expires cur) expires)
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(setf (url-cookie-value cur) value)
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(setq tmp t))))
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;; New cookie.
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(setcdr found-domain (cons
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(url-cookie-create :name name
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:value value
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:expires expires
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:domain domain
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:localpart localpart
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:secure secure)
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(cdr found-domain))))
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;; Need to add a new top-level domain.
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(setq tmp (url-cookie-create :name name
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:value value
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:expires expires
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:domain domain
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:localpart localpart
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:secure secure))
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(cond (storage
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(setcdr storage (cons (list domain tmp) (cdr storage))))
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(secure
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(setq url-cookie-secure-storage (list (list domain tmp))))
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(t
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(setq url-cookie-storage (list (list domain tmp)))))))))
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(defun url-cookie-expired-p (cookie)
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"Return non-nil if COOKIE is expired."
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(let ((exp (url-cookie-expires cookie)))
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(and (> (length exp) 0)
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(condition-case ()
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(time-less-p (date-to-time exp) nil)
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(error nil)))))
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(defun url-cookie-retrieve (host &optional localpart secure)
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"Retrieve all cookies for a specified HOST and LOCALPART."
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(let ((storage (if secure
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(append url-cookie-secure-storage url-cookie-storage)
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url-cookie-storage))
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(case-fold-search t)
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cookies retval localpart-match)
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(dolist (cur storage)
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(setq cookies (cdr cur))
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(if (and (car cur)
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(string-match
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(concat "^.*"
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(regexp-quote
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;; Remove the dot from wildcard domains
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;; before matching.
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(if (eq ?. (aref (car cur) 0))
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(substring (car cur) 1)
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(car cur)))
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"$") host))
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;; The domains match - a possible hit!
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(dolist (cur cookies)
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(and (if (and (stringp
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(setq localpart-match (url-cookie-localpart cur)))
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(stringp localpart))
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(string-match (concat "^" (regexp-quote localpart-match))
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localpart)
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(equal localpart localpart-match))
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(not (url-cookie-expired-p cur))
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(setq retval (cons cur retval))))))
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retval))
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(defun url-cookie-generate-header-lines (host localpart secure)
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(let ((cookies (url-cookie-retrieve host localpart secure))
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retval chunk)
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;; Have to sort this for sending most specific cookies first.
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(setq cookies (and cookies
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(sort cookies
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(lambda (x y)
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(> (length (url-cookie-localpart x))
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(length (url-cookie-localpart y)))))))
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(dolist (cur cookies)
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(setq chunk (format "%s=%s" (url-cookie-name cur) (url-cookie-value cur))
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retval (if (and url-cookie-multiple-line
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(< 80 (+ (length retval) (length chunk) 4)))
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(concat retval "\r\nCookie: " chunk)
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(if retval
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(concat retval "; " chunk)
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(concat "Cookie: " chunk)))))
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(if retval
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(concat retval "\r\n")
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"")))
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(defcustom url-cookie-trusted-urls nil
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"A list of regular expressions matching URLs to always accept cookies from."
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:type '(repeat regexp)
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:group 'url-cookie)
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(defcustom url-cookie-untrusted-urls nil
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"A list of regular expressions matching URLs to never accept cookies from."
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:type '(repeat regexp)
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:group 'url-cookie)
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(defun url-cookie-host-can-set-p (host domain)
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(cond
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((string= host domain) ; Apparently netscape lets you do this
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t)
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((zerop (length domain))
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nil)
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(t
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;; Remove the dot from wildcard domains before matching.
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(when (eq ?. (aref domain 0))
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(setq domain (substring domain 1)))
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(and (url-domsuf-cookie-allowed-p domain)
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(string-suffix-p domain host 'ignore-case)))))
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(defun url-cookie-handle-set-cookie (str)
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(setq url-cookies-changed-since-last-save t)
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(let* ((args (nreverse (url-parse-args str t)))
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(case-fold-search t)
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(secure (and (assoc-string "secure" args t) t))
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(domain (or (cdr-safe (assoc-string "domain" args t))
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(url-host url-current-object)))
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(current-url (url-view-url t))
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(trusted url-cookie-trusted-urls)
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(untrusted url-cookie-untrusted-urls)
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(max-age (cdr-safe (assoc-string "max-age" args t)))
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(localpart (or (cdr-safe (assoc-string "path" args t))
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(file-name-directory
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(url-filename url-current-object))))
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(expires nil))
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(if (and max-age (string-match "\\`-?[0-9]+\\'" max-age))
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(setq expires (ignore-errors
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(format-time-string "%a %b %d %H:%M:%S %Y GMT"
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(time-add nil (read max-age))
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t)))
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(setq expires (cdr-safe (assoc-string "expires" args t))))
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(while (consp trusted)
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(if (string-match (car trusted) current-url)
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(setq trusted (- (match-end 0) (match-beginning 0)))
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(pop trusted)))
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(while (consp untrusted)
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(if (string-match (car untrusted) current-url)
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(setq untrusted (- (match-end 0) (match-beginning 0)))
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(pop untrusted)))
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(and trusted untrusted
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;; Choose the more specific match.
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(if (> trusted untrusted) (setq untrusted nil) (setq trusted nil)))
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(cond
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(untrusted
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;; The site was explicitly marked as untrusted by the user.
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nil)
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((or (eq url-privacy-level 'paranoid)
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(and (listp url-privacy-level) (memq 'cookies url-privacy-level)))
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;; User never wants cookies.
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nil)
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((and url-cookie-confirmation
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(not trusted)
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(save-window-excursion
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(with-output-to-temp-buffer "*Cookie Warning*"
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(princ (format "%s=\"%s\"\n" (caar args) (cdar args)))
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(dolist (x (cdr args))
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(princ (format " %s=\"%s\"\n" (car x) (cdr x)))))
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(prog1
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(not (funcall url-confirmation-func
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(format "Allow %s to set these cookies? "
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(url-host url-current-object))))
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(if (get-buffer "*Cookie Warning*")
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(kill-buffer "*Cookie Warning*")))))
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;; User wants to be asked, and declined.
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nil)
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((url-cookie-host-can-set-p (url-host url-current-object) domain)
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;; Cookie is accepted by the user, and passes our security checks.
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(url-cookie-store (caar args) (cdar args)
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expires domain localpart secure))
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(t
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(url-lazy-message "%s tried to set a cookie for domain %s - rejected."
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(url-host url-current-object) domain)))))
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(defvar url-cookie-timer nil)
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(defcustom url-cookie-save-interval 3600
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"The number of seconds between automatic saves of cookies.
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Default is 1 hour. Note that if you change this variable outside of
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the `customize' interface after `url-do-setup' has been run, you need
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to run the `url-cookie-setup-save-timer' function manually."
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:set (lambda (var val)
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(set-default var val)
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(if (bound-and-true-p url-setup-done)
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(url-cookie-setup-save-timer)))
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:type 'natnum
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:group 'url-cookie)
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(defun url-cookie-setup-save-timer ()
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"Reset the cookie saver timer."
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(interactive)
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(ignore-errors (cancel-timer url-cookie-timer))
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(setq url-cookie-timer nil)
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(if url-cookie-save-interval
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(setq url-cookie-timer (run-at-time url-cookie-save-interval
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url-cookie-save-interval
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#'url-cookie-write-file))))
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(defun url-cookie-delete-cookies (&optional regexp keep)
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"Delete all cookies from the cookie store where the domain matches REGEXP.
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If REGEXP is nil, all cookies are deleted. If KEEP is non-nil,
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instead delete all cookies that do not match REGEXP."
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(dolist (variable '(url-cookie-secure-storage url-cookie-storage))
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(let ((cookies (symbol-value variable)))
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(dolist (elem cookies)
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(when (or (and (null keep)
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(or (null regexp)
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(string-match regexp (car elem))))
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(and keep
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regexp
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(not (string-match regexp (car elem)))))
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(setq cookies (delq elem cookies))))
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(set variable cookies)))
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(setq url-cookies-changed-since-last-save t)
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(url-cookie-write-file))
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;;; Mode for listing and editing cookies.
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(defvar url-cookie--deleted-cookies nil)
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(defun url-cookie-list ()
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"Display a buffer listing the current URL cookies, if there are any.
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Use \\<url-cookie-mode-map>\\[url-cookie-delete] to remove cookies."
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(interactive)
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(unless (or url-cookie-secure-storage
|
|
url-cookie-storage)
|
|
(error "No cookies are defined"))
|
|
|
|
(pop-to-buffer "*url cookies*")
|
|
(url-cookie-mode)
|
|
(url-cookie--generate-buffer)
|
|
(goto-char (point-min)))
|
|
|
|
(defun url-cookie--generate-buffer ()
|
|
(let ((inhibit-read-only t)
|
|
(domains (sort
|
|
(copy-sequence
|
|
(append url-cookie-secure-storage
|
|
url-cookie-storage))
|
|
(lambda (e1 e2)
|
|
(string< (car e1) (car e2)))))
|
|
(domain-length 0)
|
|
start name format domain)
|
|
(erase-buffer)
|
|
(dolist (elem domains)
|
|
(setq domain-length (max domain-length (length (car elem)))))
|
|
(setq format (format "%%-%ds %%-20s %%s" domain-length)
|
|
header-line-format
|
|
(concat " " (format format "Domain" "Name" "Value")))
|
|
(dolist (elem domains)
|
|
(setq domain (car elem))
|
|
(dolist (cookie (sort (copy-sequence (cdr elem))
|
|
(lambda (c1 c2)
|
|
(string< (url-cookie-name c1)
|
|
(url-cookie-name c2)))))
|
|
(setq start (point)
|
|
name (url-cookie-name cookie))
|
|
(when (> (length name) 20)
|
|
(setq name (substring name 0 20)))
|
|
(insert (format format domain name
|
|
(url-cookie-value cookie))
|
|
"\n")
|
|
(setq domain "")
|
|
(put-text-property start (1+ start) 'url-cookie cookie)))))
|
|
|
|
(defun url-cookie-delete ()
|
|
"Delete the cookie on the current line."
|
|
(interactive)
|
|
(let ((cookie (get-text-property (line-beginning-position) 'url-cookie))
|
|
(inhibit-read-only t)
|
|
variable)
|
|
(unless cookie
|
|
(error "No cookie on the current line"))
|
|
(setq variable (if (url-cookie-secure cookie)
|
|
'url-cookie-secure-storage
|
|
'url-cookie-storage))
|
|
(let* ((list (symbol-value variable))
|
|
(elem (assoc (url-cookie-domain cookie) list)))
|
|
(setq elem (delq cookie elem))
|
|
(when (zerop (length (cdr elem)))
|
|
(setq list (delq elem list)))
|
|
(set variable list))
|
|
(setq url-cookies-changed-since-last-save t)
|
|
(url-cookie-write-file)
|
|
(delete-region (line-beginning-position)
|
|
(progn
|
|
(forward-line 1)
|
|
(point)))
|
|
(let ((point (point)))
|
|
(erase-buffer)
|
|
(url-cookie--generate-buffer)
|
|
(goto-char point))
|
|
(push cookie url-cookie--deleted-cookies)))
|
|
|
|
(defun url-cookie-undo ()
|
|
"Undo deletion of a cookie."
|
|
(interactive)
|
|
(unless url-cookie--deleted-cookies
|
|
(error "No cookie deletions to undo"))
|
|
(let* ((cookie (pop url-cookie--deleted-cookies))
|
|
(variable (if (url-cookie-secure cookie)
|
|
'url-cookie-secure-storage
|
|
'url-cookie-storage))
|
|
(list (symbol-value variable))
|
|
(elem (assoc (url-cookie-domain cookie) list)))
|
|
(if elem
|
|
(nconc elem (list cookie))
|
|
(setq elem (list (url-cookie-domain cookie) cookie))
|
|
(set variable (cons elem list)))
|
|
(setq url-cookies-changed-since-last-save t)
|
|
(url-cookie-write-file)
|
|
(let ((point (point))
|
|
(inhibit-read-only t))
|
|
(erase-buffer)
|
|
(url-cookie--generate-buffer)
|
|
(goto-char point))))
|
|
|
|
(defvar-keymap url-cookie-mode-map
|
|
"<delete>" #'url-cookie-delete
|
|
"C-k" #'url-cookie-delete
|
|
"C-_" #'url-cookie-undo)
|
|
|
|
(define-derived-mode url-cookie-mode special-mode "URL Cookie"
|
|
"Mode for listing cookies.
|
|
|
|
\\{url-cookie-mode-map}"
|
|
(buffer-disable-undo)
|
|
(setq buffer-read-only t
|
|
truncate-lines t))
|
|
|
|
(provide 'url-cookie)
|
|
|
|
;;; url-cookie.el ends here
|