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62 lines
1.9 KiB
EmacsLisp
62 lines
1.9 KiB
EmacsLisp
;;; url-cid.el --- Content-ID URL loader
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;; Copyright (C) 1998-1999, 2004-2019 Free Software Foundation, Inc.
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;; Keywords: comm, data, processes
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;; This file is part of GNU Emacs.
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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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;;; Code:
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(require 'url-vars)
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(require 'url-parse)
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(require 'mm-decode)
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(defun url-cid-gnus (cid)
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(let ((content-type nil)
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(encoding nil)
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(part nil)
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(data nil))
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(setq part (mm-get-content-id cid))
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(if (not part)
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(message "Unknown CID encountered: %s" cid)
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(setq data (with-current-buffer (mm-handle-buffer part)
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(buffer-string))
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content-type (mm-handle-type part)
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encoding (symbol-name (mm-handle-encoding part)))
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(if (= 0 (length content-type)) (setq content-type "text/plain"))
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(if (= 0 (length encoding)) (setq encoding "8bit"))
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(if (listp content-type)
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(setq content-type (car content-type)))
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(insert (format "Content-length: %d\r\n" (length data))
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"Content-type: " content-type "\r\n"
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"Content-transfer-encoding: " encoding "\r\n"
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"\r\n"
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(or data "")))))
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;;;###autoload
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(defun url-cid (url)
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(cond
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((fboundp 'mm-get-content-id)
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;; Using Pterodactyl Gnus or later
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(with-current-buffer (generate-new-buffer " *url-cid*")
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(url-cid-gnus (url-filename url))))
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(t
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(message "Unable to handle CID URL: %s" url))))
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;;; url-cid.el ends here
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