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1 ;;; MIME support functions
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2 ;;; Copyright (C) 1997 Kyle E. Jones
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3 ;;;
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4 ;;; This program is free software; you can redistribute it and/or modify
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5 ;;; it under the terms of the GNU General Public License as published by
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6 ;;; the Free Software Foundation; either version 1, or (at your option)
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7 ;;; any later version.
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8 ;;;
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9 ;;; This program is distributed in the hope that it will be useful,
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10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ;;; GNU General Public License for more details.
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13 ;;;
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14 ;;; You should have received a copy of the GNU General Public License
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15 ;;; along with this program; if not, write to the Free Software
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16 ;;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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17
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18 (provide 'vm-mime)
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19
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20 (defun vm-mime-error (&rest args)
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21 (signal 'vm-mime-error (list (apply 'format args)))
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22 (error "can't return from vm-mime-error"))
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23
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24 (if (fboundp 'define-error)
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25 (define-error 'vm-mime-error "MIME error")
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26 (put 'vm-mime-error 'error-conditions '(vm-mime-error error))
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27 (put 'vm-mime-error 'error-message "MIME error"))
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28
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29 (defun vm-mm-layout-type (e) (aref e 0))
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30 (defun vm-mm-layout-encoding (e) (aref e 1))
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31 (defun vm-mm-layout-id (e) (aref e 2))
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32 (defun vm-mm-layout-description (e) (aref e 3))
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33 (defun vm-mm-layout-disposition (e) (aref e 4))
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34 (defun vm-mm-layout-header-start (e) (aref e 5))
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35 (defun vm-mm-layout-body-start (e) (aref e 6))
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36 (defun vm-mm-layout-body-end (e) (aref e 7))
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37 (defun vm-mm-layout-parts (e) (aref e 8))
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38 (defun vm-mm-layout-cache (e) (aref e 9))
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39
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40 (defun vm-set-mm-layout-cache (e c) (aset e 8 c))
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41
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42 (defun vm-mm-layout (m)
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43 (or (vm-mime-layout-of m)
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44 (progn (vm-set-mime-layout-of
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45 m
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46 (condition-case data
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47 (vm-mime-parse-entity m)
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48 (vm-mime-error (apply 'message (cdr data)))))
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49 (vm-mime-layout-of m))))
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50
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51 (defun vm-mm-encoded-header (m)
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52 (or (vm-mime-encoded-header-flag-of m)
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53 (progn (setq m (vm-real-message-of m))
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54 (vm-set-mime-encoded-header-flag-of
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55 m
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56 (save-excursion
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57 (set-buffer (vm-buffer-of m))
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58 (save-excursion
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59 (save-restriction
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60 (widen)
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61 (goto-char (vm-headers-of m))
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62 (or (re-search-forward vm-mime-encoded-word-regexp
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63 (vm-text-of m) t)
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64 'none)))))
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65 (vm-mime-encoded-header-flag-of m))))
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66
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67 (defun vm-mime-Q-decode-region (start end)
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68 (let ((buffer-read-only nil))
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69 (subst-char-in-region start end ?_ (string-to-char " ") t)
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70 (vm-mime-qp-decode-region start end)))
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71
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72 (fset 'vm-mime-B-decode-region 'vm-mime-base64-decode-region)
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73
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74 (defun vm-mime-Q-encode-region (start end)
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75 (let ((buffer-read-only nil))
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76 (subst-char-in-region start end (string-to-char " ") ?_ t)
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77 (vm-mime-qp-encode-region start end)))
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78
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79 (fset 'vm-mime-B-encode-region 'vm-mime-base64-encode-region)
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80
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81 (defun vm-mime-Q-decode-string (string)
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82 (vm-with-string-as-region string 'vm-mime-Q-decode-region))
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83
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84 (defun vm-mime-B-decode-string (string)
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85 (vm-with-string-as-region string 'vm-mime-B-decode-region))
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86
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87 (defun vm-mime-Q-encode-string (string)
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88 (vm-with-string-as-region string 'vm-mime-Q-encode-region))
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89
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90 (defun vm-mime-B-encode-string (string)
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91 (vm-with-string-as-region string 'vm-mime-B-encode-region))
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92
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93 (defun vm-mime-crlf-to-lf-region (start end)
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94 (let ((buffer-read-only nil))
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95 (save-excursion
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96 (save-restriction
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97 (narrow-to-region start end)
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98 (goto-char start)
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99 (while (search-forward "\r\n" nil t)
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100 (delete-char -2)
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101 (insert "\n"))))))
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102
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103 (defun vm-mime-lf-to-crlf-region (start end)
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104 (let ((buffer-read-only nil))
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105 (save-excursion
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106 (save-restriction
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107 (narrow-to-region start end)
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108 (goto-char start)
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109 (while (search-forward "\n" nil t)
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110 (delete-char -1)
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111 (insert "\r\n"))))))
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112
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113 (defun vm-mime-charset-decode-region (charset start end)
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114 (let ((buffer-read-only nil)
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115 (cell (vm-mime-charset-internally-displayable-p charset))
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116 (opoint (point)))
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117 (cond ((and cell (vm-xemacs-mule-p) (eq (device-type) 'x))
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118 (decode-coding-region start end (car cell))))
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119 ;; In XEmacs 20.0 beta93 decode-coding-region moves point.
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120 (goto-char opoint)))
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121
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122 (defun vm-mime-transfer-decode-region (layout start end)
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123 (let ((case-fold-search t) (crlf nil))
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124 (cond ((string-match "^base64$" (vm-mm-layout-encoding layout))
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125 (cond ((vm-mime-types-match "text"
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126 (car (vm-mm-layout-type layout)))
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127 (setq crlf t))
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128 ((vm-mime-types-match "message"
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129 (car (vm-mm-layout-type layout)))
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130 (setq crlf t)))
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131 (vm-mime-base64-decode-region start end crlf))
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132 ((string-match "^quoted-printable$"
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133 (vm-mm-layout-encoding layout))
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134 (vm-mime-qp-decode-region start end)))))
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135
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136 (defun vm-mime-base64-decode-region (start end &optional crlf)
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137 (vm-unsaved-message "Decoding base64...")
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138 (let ((work-buffer nil)
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139 (done nil)
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140 (counter 0)
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141 (bits 0)
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142 (lim 0) inputpos
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143 (non-data-chars (concat "^=" vm-mime-base64-alphabet)))
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144 (unwind-protect
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145 (save-excursion
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146 (setq work-buffer (generate-new-buffer " *vm-work*"))
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147 (buffer-disable-undo work-buffer)
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148 (if vm-mime-base64-decoder-program
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149 (let* ((binary-process-output t) ; any text already has CRLFs
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150 (status (apply 'vm-run-command-on-region
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151 start end work-buffer
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152 vm-mime-base64-decoder-program
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153 vm-mime-base64-decoder-switches)))
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154 (if (not (eq status t))
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155 (vm-mime-error "%s" (cdr status))))
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156 (goto-char start)
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157 (skip-chars-forward non-data-chars end)
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158 (while (not done)
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159 (setq inputpos (point))
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160 (cond
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161 ((> (skip-chars-forward vm-mime-base64-alphabet end) 0)
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162 (setq lim (point))
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163 (while (< inputpos lim)
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164 (setq bits (+ bits
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165 (aref vm-mime-base64-alphabet-decoding-vector
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166 (char-after inputpos))))
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167 (vm-increment counter)
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168 (vm-increment inputpos)
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169 (cond ((= counter 4)
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170 (vm-insert-char (lsh bits -16) 1 nil work-buffer)
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171 (vm-insert-char (logand (lsh bits -8) 255) 1 nil
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172 work-buffer)
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173 (vm-insert-char (logand bits 255) 1 nil work-buffer)
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174 (setq bits 0 counter 0))
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175 (t (setq bits (lsh bits 6)))))))
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176 (cond
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177 ((= (point) end)
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178 (if (not (zerop counter))
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179 (vm-mime-error "at least %d bits missing at end of base64 encoding"
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180 (* (- 4 counter) 6)))
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181 (setq done t))
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182 ((= (char-after (point)) 61) ; 61 is ASCII equals
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183 (setq done t)
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184 (cond ((= counter 1)
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185 (vm-mime-error "at least 2 bits missing at end of base64 encoding"))
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186 ((= counter 2)
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187 (vm-insert-char (lsh bits -10) 1 nil work-buffer))
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188 ((= counter 3)
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189 (vm-insert-char (lsh bits -16) 1 nil work-buffer)
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190 (vm-insert-char (logand (lsh bits -8) 255)
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191 1 nil work-buffer))
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192 ((= counter 0) t)))
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193 (t (skip-chars-forward non-data-chars end)))))
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194 (and crlf
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195 (save-excursion
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196 (set-buffer work-buffer)
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197 (vm-mime-crlf-to-lf-region (point-min) (point-max))))
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198 (or (markerp end) (setq end (vm-marker end)))
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199 (goto-char start)
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200 (insert-buffer-substring work-buffer)
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201 (delete-region (point) end))
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202 (and work-buffer (kill-buffer work-buffer))))
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203 (vm-unsaved-message "Decoding base64... done"))
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204
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205 (defun vm-mime-base64-encode-region (start end &optional crlf)
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206 (vm-unsaved-message "Encoding base64...")
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207 (let ((work-buffer nil)
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208 (counter 0)
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209 (cols 0)
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210 (bits 0)
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211 (alphabet vm-mime-base64-alphabet)
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212 inputpos)
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213 (unwind-protect
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214 (save-excursion
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215 (setq work-buffer (generate-new-buffer " *vm-work*"))
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216 (buffer-disable-undo work-buffer)
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217 (if crlf
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218 (progn
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219 (or (markerp end) (setq end (vm-marker end)))
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220 (vm-mime-lf-to-crlf-region start end)))
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221 (if vm-mime-base64-encoder-program
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222 (let ((status (apply 'vm-run-command-on-region
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223 start end work-buffer
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224 vm-mime-base64-encoder-program
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225 vm-mime-base64-encoder-switches)))
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226 (if (not (eq status t))
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227 (vm-mime-error "%s" (cdr status))))
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228 (setq inputpos start)
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229 (while (< inputpos end)
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230 (setq bits (+ bits (char-after inputpos)))
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231 (vm-increment counter)
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232 (cond ((= counter 3)
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233 (vm-insert-char (aref alphabet (lsh bits -18)) 1 nil
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234 work-buffer)
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235 (vm-insert-char (aref alphabet (logand (lsh bits -12) 63))
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236 1 nil work-buffer)
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237 (vm-insert-char (aref alphabet (logand (lsh bits -6) 63))
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238 1 nil work-buffer)
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239 (vm-insert-char (aref alphabet (logand bits 63)) 1 nil
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240 work-buffer)
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241 (setq cols (+ cols 4))
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242 (cond ((= cols 72)
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243 (vm-insert-char ?\n 1 nil work-buffer)
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244 (setq cols 0)))
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245 (setq bits 0 counter 0))
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246 (t (setq bits (lsh bits 8))))
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247 (vm-increment inputpos))
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248 ;; write out any remaining bits with appropriate padding
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249 (if (= counter 0)
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250 nil
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251 (setq bits (lsh bits (- 16 (* 8 counter))))
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252 (vm-insert-char (aref alphabet (lsh bits -18)) 1 nil
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253 work-buffer)
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254 (vm-insert-char (aref alphabet (logand (lsh bits -12) 63))
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255 1 nil work-buffer)
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256 (if (= counter 1)
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257 (vm-insert-char ?= 2 nil work-buffer)
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258 (vm-insert-char (aref alphabet (logand (lsh bits -6) 63))
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259 1 nil work-buffer)
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260 (vm-insert-char ?= 1 nil work-buffer)))
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261 (if (> cols 0)
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262 (vm-insert-char ?\n 1 nil work-buffer)))
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263 (or (markerp end) (setq end (vm-marker end)))
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264 (goto-char start)
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265 (insert-buffer-substring work-buffer)
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266 (delete-region (point) end))
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267 (and work-buffer (kill-buffer work-buffer))))
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268 (vm-unsaved-message "Encoding base64... done"))
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269
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270 (defun vm-mime-qp-decode-region (start end)
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271 (vm-unsaved-message "Decoding quoted-printable...")
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272 (let ((work-buffer nil)
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273 (buf (current-buffer))
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274 (case-fold-search nil)
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275 (hex-digit-alist '((?0 . 0) (?1 . 1) (?2 . 2) (?3 . 3)
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276 (?4 . 4) (?5 . 5) (?6 . 6) (?7 . 7)
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277 (?8 . 8) (?9 . 9) (?A . 10) (?B . 11)
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278 (?C . 12) (?D . 13) (?E . 14) (?F . 15)))
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279 inputpos stop-point copy-point)
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280 (unwind-protect
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281 (save-excursion
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282 (setq work-buffer (generate-new-buffer " *vm-work*"))
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283 (buffer-disable-undo work-buffer)
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284 (goto-char start)
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285 (setq inputpos start)
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286 (while (< inputpos end)
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287 (skip-chars-forward "^=\n" end)
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288 (setq stop-point (point))
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289 (cond ((looking-at "\n")
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290 ;; spaces or tabs before a hard line break must be ignored
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291 (skip-chars-backward " \t")
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292 (setq copy-point (point))
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293 (goto-char stop-point))
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294 (t (setq copy-point stop-point)))
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295 (save-excursion
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296 (set-buffer work-buffer)
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297 (insert-buffer-substring buf inputpos copy-point))
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298 (cond ((= (point) end) t)
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299 ((looking-at "\n")
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300 (vm-insert-char ?\n 1 nil work-buffer)
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301 (forward-char))
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302 (t ;; looking at =
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303 (forward-char)
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304 (cond ((looking-at "[0-9A-F][0-9A-F]")
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305 (vm-insert-char (+ (* (cdr (assq (char-after (point))
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306 hex-digit-alist))
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307 16)
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308 (cdr (assq (char-after
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309 (1+ (point)))
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310 hex-digit-alist)))
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311 1 nil work-buffer)
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312 (forward-char 2))
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313 ((looking-at "\n") ; soft line break
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314 (forward-char))
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315 ((looking-at "\r")
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316 ;; assume the user's goatfucking
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317 ;; delivery software didn't convert
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318 ;; from Internet's CRLF newline
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319 ;; convention to the local LF
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320 ;; convention.
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321 (forward-char))
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322 ((looking-at "[ \t]")
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323 ;; garbage added in transit
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324 (skip-chars-forward " \t" end))
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325 (t (vm-mime-error "something other than line break or hex digits after = in quoted-printable encoding")))))
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326 (setq inputpos (point)))
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327 (or (markerp end) (setq end (vm-marker end)))
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328 (goto-char start)
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329 (insert-buffer-substring work-buffer)
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330 (delete-region (point) end))
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331 (and work-buffer (kill-buffer work-buffer))))
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332 (vm-unsaved-message "Decoding quoted-printable... done"))
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333
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334 (defun vm-mime-qp-encode-region (start end)
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335 (vm-unsaved-message "Encoding quoted-printable...")
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336 (let ((work-buffer nil)
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337 (buf (current-buffer))
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338 (cols 0)
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339 (hex-digit-alist '((?0 . 0) (?1 . 1) (?2 . 2) (?3 . 3)
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340 (?4 . 4) (?5 . 5) (?6 . 6) (?7 . 7)
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341 (?8 . 8) (?9 . 9) (?A . 10) (?B . 11)
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342 (?C . 12) (?D . 13) (?E . 14) (?F . 15)))
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343 char inputpos)
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344 (unwind-protect
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345 (save-excursion
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346 (setq work-buffer (generate-new-buffer " *vm-work*"))
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347 (buffer-disable-undo work-buffer)
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348 (setq inputpos start)
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349 (while (< inputpos end)
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350 (setq char (char-after inputpos))
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351 (cond ((= char ?\n)
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352 (vm-insert-char char 1 nil work-buffer)
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353 (setq cols 0))
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354 ((and (= char 32) (not (= ?\n (char-after (1+ inputpos)))))
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355 (vm-insert-char char 1 nil work-buffer)
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356 (vm-increment cols))
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357 ((or (< char 33) (> char 126) (= char 61))
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358 (vm-insert-char ?= 1 nil work-buffer)
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359 (vm-insert-char (car (rassq (lsh char -4) hex-digit-alist))
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360 1 nil work-buffer)
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361 (vm-insert-char (car (rassq (logand char 15)
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362 hex-digit-alist))
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363 1 nil work-buffer)
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364 (setq cols (+ cols 3)))
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365 (t (vm-insert-char char 1 nil work-buffer)
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366 (vm-increment cols)))
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367 (cond ((> cols 70)
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368 (vm-insert-char ?= 1 nil work-buffer)
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369 (vm-insert-char ?\n 1 nil work-buffer)
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370 (setq cols 0)))
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371 (vm-increment inputpos))
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372 (or (markerp end) (setq end (vm-marker end)))
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373 (goto-char start)
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374 (insert-buffer-substring work-buffer)
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375 (delete-region (point) end))
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376 (and work-buffer (kill-buffer work-buffer))))
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377 (vm-unsaved-message "Encoding quoted-printable... done"))
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378
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379 (defun vm-decode-mime-message-headers (m)
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380 (let ((case-fold-search t)
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381 (buffer-read-only nil)
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382 charset encoding match-start match-end start end)
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383 (save-excursion
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384 (goto-char (vm-headers-of m))
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385 (while (re-search-forward vm-mime-encoded-word-regexp (vm-text-of m) t)
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386 (setq match-start (match-beginning 0)
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387 match-end (match-end 0)
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388 charset (match-string 1)
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389 encoding (match-string 2)
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390 start (match-beginning 3)
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391 end (vm-marker (match-end 3)))
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392 ;; don't change anything if we can't display the
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393 ;; character set properly.
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394 (if (not (vm-mime-charset-internally-displayable-p charset))
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395 nil
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396 (delete-region end match-end)
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397 (cond ((string-match "B" encoding)
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398 (vm-mime-B-decode-region start end))
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399 ((string-match "Q" encoding)
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400 (vm-mime-Q-decode-region start end))
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401 (t (vm-mime-error "unknown encoded word encoding, %s"
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402 encoding)))
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403 (vm-mime-charset-decode-region charset start end)
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404 (delete-region match-start start))))))
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405
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406 (defun vm-decode-mime-encoded-words ()
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407 (let ((case-fold-search t)
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408 (buffer-read-only nil)
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409 charset encoding match-start match-end start end)
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410 (save-excursion
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411 (goto-char (point-min))
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412 (while (re-search-forward vm-mime-encoded-word-regexp nil t)
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413 (setq match-start (match-beginning 0)
|
|
414 match-end (match-end 0)
|
|
415 charset (match-string 1)
|
|
416 encoding (match-string 2)
|
|
417 start (match-beginning 3)
|
|
418 end (vm-marker (match-end 3)))
|
|
419 ;; don't change anything if we can't display the
|
|
420 ;; character set properly.
|
|
421 (if (not (vm-mime-charset-internally-displayable-p charset))
|
|
422 nil
|
|
423 (delete-region end match-end)
|
|
424 (cond ((string-match "B" encoding)
|
|
425 (vm-mime-B-decode-region start end))
|
|
426 ((string-match "Q" encoding)
|
|
427 (vm-mime-Q-decode-region start end))
|
|
428 (t (vm-mime-error "unknown encoded word encoding, %s"
|
|
429 encoding)))
|
|
430 (vm-mime-charset-decode-region charset start end)
|
|
431 (delete-region match-start start))))))
|
|
432
|
|
433 (defun vm-decode-mime-encoded-words-maybe (string)
|
|
434 (if (and vm-display-using-mime
|
|
435 (string-match vm-mime-encoded-word-regexp string))
|
|
436 (vm-with-string-as-temp-buffer string 'vm-decode-mime-encoded-words)
|
|
437 string ))
|
|
438
|
|
439 (defun vm-mime-parse-content-header (string &optional sepchar)
|
|
440 (if (null string)
|
|
441 ()
|
|
442 (let ((work-buffer nil))
|
|
443 (save-excursion
|
|
444 (unwind-protect
|
|
445 (let ((list nil)
|
|
446 (nonspecials "^\"\\( \t\n\r\f")
|
|
447 start s char sp+sepchar)
|
|
448 (if sepchar
|
|
449 (setq nonspecials (concat nonspecials (list sepchar))
|
|
450 sp+sepchar (concat "\t\f\n\r " (list sepchar))))
|
|
451 (setq work-buffer (generate-new-buffer "*vm-work*"))
|
|
452 (buffer-disable-undo work-buffer)
|
|
453 (set-buffer work-buffer)
|
|
454 (insert string)
|
|
455 (goto-char (point-min))
|
|
456 (skip-chars-forward "\t\f\n\r ")
|
|
457 (setq start (point))
|
|
458 (while (not (eobp))
|
|
459 (skip-chars-forward nonspecials)
|
|
460 (setq char (following-char))
|
|
461 (cond ((looking-at "[ \t\n\r\f]")
|
|
462 (delete-char 1))
|
|
463 ((= char ?\\)
|
|
464 (forward-char 1)
|
|
465 (if (not (eobp))
|
|
466 (forward-char 1)))
|
|
467 ((and sepchar (= char sepchar))
|
|
468 (setq s (buffer-substring start (point)))
|
|
469 (if (or (null (string-match "^[\t\f\n\r ]+$" s))
|
|
470 (not (string= s "")))
|
|
471 (setq list (cons s list)))
|
|
472 (skip-chars-forward sp+sepchar)
|
|
473 (setq start (point)))
|
|
474 ((looking-at " \t\n\r\f")
|
|
475 (skip-chars-forward " \t\n\r\f"))
|
|
476 ((= char ?\")
|
|
477 (delete-char 1)
|
|
478 (cond ((= (char-after (point)) ?\")
|
|
479 (delete-char 1))
|
|
480 ((re-search-forward "[^\\]\"" nil 0)
|
|
481 (delete-char -1))))
|
|
482 ((= char ?\()
|
|
483 (let ((parens 1)
|
|
484 (pos (point)))
|
|
485 (forward-char 1)
|
|
486 (while (and (not (eobp)) (not (zerop parens)))
|
|
487 (re-search-forward "[()]" nil 0)
|
|
488 (cond ((or (eobp)
|
|
489 (= (char-after (- (point) 2)) ?\\)))
|
|
490 ((= (preceding-char) ?\()
|
|
491 (setq parens (1+ parens)))
|
|
492 (t
|
|
493 (setq parens (1- parens)))))
|
|
494 (delete-region pos (point))))))
|
|
495 (setq s (buffer-substring start (point)))
|
|
496 (if (and (null (string-match "^[\t\f\n\r ]+$" s))
|
|
497 (not (string= s "")))
|
|
498 (setq list (cons s list)))
|
|
499 (nreverse list))
|
|
500 (and work-buffer (kill-buffer work-buffer)))))))
|
|
501
|
|
502 (defun vm-mime-get-header-contents (header-name-regexp)
|
|
503 (let ((contents nil)
|
|
504 regexp)
|
|
505 (setq regexp (concat "^\\(" header-name-regexp "\\)\\|\\(^$\\)"))
|
|
506 (save-excursion
|
|
507 (let ((case-fold-search t))
|
|
508 (if (and (re-search-forward regexp nil t)
|
|
509 (match-beginning 1)
|
|
510 (progn (goto-char (match-beginning 0))
|
|
511 (vm-match-header)))
|
|
512 (vm-matched-header-contents)
|
|
513 nil )))))
|
|
514
|
|
515 (defun vm-mime-parse-entity (&optional m default-type default-encoding)
|
|
516 (let ((case-fold-search t) version type encoding id description
|
|
517 disposition boundary boundary-regexp start
|
|
518 multipart-list c-t c-t-e done p returnval)
|
|
519 (and m (vm-unsaved-message "Parsing MIME message..."))
|
|
520 (prog1
|
|
521 (catch 'return-value
|
|
522 (save-excursion
|
|
523 (if m
|
|
524 (progn
|
|
525 (setq m (vm-real-message-of m))
|
|
526 (set-buffer (vm-buffer-of m))))
|
|
527 (save-excursion
|
|
528 (save-restriction
|
|
529 (if m
|
|
530 (progn
|
|
531 (setq version (vm-get-header-contents m "MIME-Version:")
|
|
532 version (car (vm-mime-parse-content-header version))
|
|
533 type (vm-get-header-contents m "Content-Type:")
|
|
534 type (vm-mime-parse-content-header type ?\;)
|
|
535 encoding (or (vm-get-header-contents
|
|
536 m "Content-Transfer-Encoding:")
|
|
537 "7bit")
|
|
538 encoding (car (vm-mime-parse-content-header encoding))
|
|
539 id (vm-get-header-contents m "Content-ID:")
|
|
540 id (car (vm-mime-parse-content-header id))
|
|
541 description (vm-get-header-contents
|
|
542 m "Content-Description:")
|
|
543 description (and description
|
|
544 (if (string-match "^[ \t\n]$"
|
|
545 description)
|
|
546 nil
|
|
547 description))
|
|
548 disposition (vm-get-header-contents
|
|
549 m "Content-Disposition:")
|
|
550 disposition (and disposition
|
|
551 (vm-mime-parse-content-header
|
|
552 disposition ?\;)))
|
|
553 (widen)
|
|
554 (narrow-to-region (vm-headers-of m) (vm-text-end-of m)))
|
|
555 (goto-char (point-min))
|
|
556 (setq type (vm-mime-get-header-contents "Content-Type:")
|
|
557 type (or (vm-mime-parse-content-header type ?\;)
|
|
558 default-type)
|
|
559 encoding (or (vm-mime-get-header-contents
|
|
560 "Content-Transfer-Encoding:")
|
|
561 default-encoding)
|
|
562 encoding (car (vm-mime-parse-content-header encoding))
|
|
563 id (vm-mime-get-header-contents "Content-ID:")
|
|
564 id (car (vm-mime-parse-content-header id))
|
|
565 description (vm-mime-get-header-contents
|
|
566 "Content-Description:")
|
|
567 description (and description (if (string-match "^[ \t\n]+$"
|
|
568 description)
|
|
569 nil
|
|
570 description))
|
|
571 disposition (vm-mime-get-header-contents
|
|
572 "Content-Disposition:")
|
|
573 disposition (and disposition
|
|
574 (vm-mime-parse-content-header
|
|
575 disposition ?\;))))
|
|
576 (cond ((null m) t)
|
|
577 ((null version)
|
|
578 (throw 'return-value 'none))
|
|
579 ((string= version "1.0") t)
|
|
580 (t (vm-mime-error "Unsupported MIME version: %s" version)))
|
|
581 (cond ((and m (null type))
|
|
582 (throw 'return-value
|
|
583 (vector '("text/plain" "charset=us-ascii")
|
|
584 encoding id description disposition
|
|
585 (vm-headers-of m)
|
|
586 (vm-text-of m)
|
|
587 (vm-text-end-of m)
|
|
588 nil nil nil )))
|
|
589 ((null type)
|
|
590 (goto-char (point-min))
|
|
591 (or (re-search-forward "^\n\\|\n\\'" nil t)
|
|
592 (vm-mime-error "MIME part missing header/body separator line"))
|
|
593 (vector default-type encoding id description disposition
|
|
594 (vm-marker (point-min))
|
|
595 (vm-marker (point))
|
|
596 (vm-marker (point-max))
|
|
597 nil nil nil ))
|
|
598 ((null (string-match "[^/ ]+/[^/ ]+" (car type)))
|
|
599 (vm-mime-error "Malformed MIME content type: %s" (car type)))
|
|
600 ((and (string-match "^multipart/\\|^message/" (car type))
|
|
601 (null (string-match "^\\(7bit\\|8bit\\|binary\\)$"
|
|
602 encoding)))
|
|
603 (vm-mime-error "Opaque transfer encoding used with multipart or message type: %s, %s" (car type) encoding))
|
|
604 ((and (string-match "^message/partial$" (car type))
|
|
605 (null (string-match "^7bit$" encoding)))
|
|
606 (vm-mime-error "Non-7BIT transfer encoding used with message/partial message: %s" encoding))
|
|
607 ((string-match "^multipart/digest" (car type))
|
|
608 (setq c-t '("message/rfc822")
|
|
609 c-t-e "7bit"))
|
|
610 ((string-match "^multipart/" (car type))
|
|
611 (setq c-t '("text/plain" "charset=us-ascii")
|
|
612 c-t-e "7bit")) ; below
|
|
613 ((string-match "^message/rfc822" (car type))
|
|
614 (setq c-t '("text/plain" "charset=us-ascii")
|
|
615 c-t-e "7bit")
|
|
616 (goto-char (point-min))
|
|
617 (or (re-search-forward "^\n\\|\n\\'" nil t)
|
|
618 (vm-mime-error "MIME part missing header/body separator line"))
|
|
619 (throw 'return-value
|
|
620 (vector type encoding id description disposition
|
|
621 (vm-marker (point-min))
|
|
622 (vm-marker (point))
|
|
623 (vm-marker (point-max))
|
|
624 (list
|
|
625 (save-restriction
|
|
626 (narrow-to-region (point) (point-max))
|
|
627 (vm-mime-parse-entity nil c-t c-t-e)))
|
|
628 nil )))
|
|
629 (t
|
|
630 (goto-char (point-min))
|
|
631 (or (re-search-forward "^\n\\|\n\\'" nil t)
|
|
632 (vm-mime-error "MIME part missing header/body separator line"))
|
|
633 (throw 'return-value
|
|
634 (vector type encoding id description disposition
|
|
635 (vm-marker (point-min))
|
|
636 (vm-marker (point))
|
|
637 (vm-marker (point-max))
|
|
638 nil nil ))))
|
|
639 (setq p (cdr type)
|
|
640 boundary nil)
|
|
641 (while p
|
|
642 (if (string-match "^boundary=" (car p))
|
|
643 (setq boundary (car (vm-parse (car p) "=\\(.+\\)"))
|
|
644 p nil)
|
|
645 (setq p (cdr p))))
|
|
646 (or boundary
|
|
647 (vm-mime-error
|
|
648 "Boundary parameter missing in %s type specification"
|
|
649 (car type)))
|
|
650 (setq boundary-regexp (regexp-quote boundary)
|
|
651 boundary-regexp (concat "^--" boundary-regexp "\\(--\\)?\n"))
|
|
652 (goto-char (point-min))
|
|
653 (setq start nil
|
|
654 multipart-list nil
|
|
655 done nil)
|
|
656 (while (and (not done) (re-search-forward boundary-regexp nil t))
|
|
657 (cond ((null start)
|
|
658 (setq start (match-end 0)))
|
|
659 (t
|
|
660 (and (match-beginning 1)
|
|
661 (setq done t))
|
|
662 (save-excursion
|
|
663 (save-restriction
|
|
664 (narrow-to-region start (1- (match-beginning 0)))
|
|
665 (setq start (match-end 0))
|
|
666 (setq multipart-list
|
|
667 (cons (vm-mime-parse-entity-safe nil c-t c-t-e)
|
|
668 multipart-list)))))))
|
|
669 (if (not done)
|
|
670 (vm-mime-error "final %s boundary missing" boundary))
|
|
671 (goto-char (point-min))
|
|
672 (or (re-search-forward "^\n\\|\n\\'" nil t)
|
|
673 (vm-mime-error "MIME part missing header/body separator line"))
|
|
674 (vector type encoding id description disposition
|
|
675 (vm-marker (point-min))
|
|
676 (vm-marker (point))
|
|
677 (vm-marker (point-max))
|
|
678 (nreverse multipart-list)
|
|
679 nil )))))
|
|
680 (and m (vm-unsaved-message "Parsing MIME message... done"))
|
|
681 )))
|
|
682
|
|
683 (defun vm-mime-parse-entity-safe (&optional m c-t c-t-e)
|
|
684 (or c-t (setq c-t '("text/plain" "charset=us-ascii")))
|
|
685 ;; don't let subpart parse errors make the whole parse fail. use default
|
|
686 ;; type if the parse fails.
|
|
687 (condition-case error-data
|
|
688 (vm-mime-parse-entity nil c-t c-t-e)
|
|
689 (vm-mime-error
|
|
690 (let ((header (if m
|
|
691 (vm-headers-of m)
|
|
692 (vm-marker (point-min))))
|
|
693 (text (if m
|
|
694 (vm-text-of m)
|
|
695 (save-excursion
|
|
696 (re-search-forward "^\n\\|\n\\'"
|
|
697 nil 0)
|
|
698 (vm-marker (point)))))
|
|
699 (text-end (if m
|
|
700 (vm-text-end-of m)
|
|
701 (vm-marker (point-max)))))
|
|
702 (vector c-t
|
|
703 (vm-determine-proper-content-transfer-encoding text text-end)
|
|
704 nil
|
|
705 ;; cram the error message into the description slot
|
|
706 (car error-data)
|
|
707 ;; mark as an attachment to improve the chance that the user
|
|
708 ;; will see the description.
|
|
709 '("attachment")
|
|
710 header
|
|
711 text
|
|
712 text-end)))))
|
|
713
|
|
714 (defun vm-mime-get-xxx-parameter (layout name param-list)
|
|
715 (let ((match-end (1+ (length name)))
|
|
716 (name-regexp (concat (regexp-quote name) "="))
|
|
717 (case-fold-search t)
|
|
718 (done nil))
|
|
719 (while (and param-list (not done))
|
|
720 (if (and (string-match name-regexp (car param-list))
|
|
721 (= (match-end 0) match-end))
|
|
722 (setq done t)
|
|
723 (setq param-list (cdr param-list))))
|
|
724 (and (car param-list) (car (vm-parse (car param-list) "=\\(.*\\)")))))
|
|
725
|
|
726 (defun vm-mime-get-parameter (layout name)
|
|
727 (vm-mime-get-xxx-parameter layout name (cdr (vm-mm-layout-type layout))))
|
|
728
|
|
729 (defun vm-mime-get-disposition-parameter (layout name)
|
|
730 (vm-mime-get-xxx-parameter layout name
|
|
731 (cdr (vm-mm-layout-disposition layout))))
|
|
732
|
|
733 (defun vm-mime-insert-mime-body (layout)
|
|
734 (vm-insert-region-from-buffer (marker-buffer (vm-mm-layout-body-start layout))
|
|
735 (vm-mm-layout-body-start layout)
|
|
736 (vm-mm-layout-body-end layout)))
|
|
737
|
|
738 (defun vm-mime-insert-mime-headers (layout)
|
|
739 (vm-insert-region-from-buffer (marker-buffer (vm-mm-layout-body-start layout))
|
|
740 (vm-mm-layout-header-start layout)
|
|
741 (vm-mm-layout-body-start layout))
|
|
742 (if (and (not (bobp)) (char-equal (char-after (1- (point))) ?\n))
|
|
743 (delete-char -1)))
|
|
744
|
|
745 (defun vm-make-presentation-copy (m)
|
|
746 (let ((mail-buffer (current-buffer))
|
|
747 b mm
|
|
748 (real-m (vm-real-message-of m))
|
|
749 (modified (buffer-modified-p)))
|
|
750 (cond ((or (null vm-presentation-buffer-handle)
|
|
751 (null (buffer-name vm-presentation-buffer-handle)))
|
|
752 (setq b (generate-new-buffer (concat (buffer-name)
|
|
753 " Presentation")))
|
|
754 (save-excursion
|
|
755 (set-buffer b)
|
|
756 (if (fboundp 'buffer-disable-undo)
|
|
757 (buffer-disable-undo (current-buffer))
|
|
758 ;; obfuscation to make the v19 compiler not whine
|
|
759 ;; about obsolete functions.
|
|
760 (let ((x 'buffer-flush-undo))
|
|
761 (funcall x (current-buffer))))
|
|
762 (setq mode-name "VM Presentation"
|
|
763 major-mode 'vm-presentation-mode
|
|
764 vm-message-pointer (list nil)
|
|
765 vm-mail-buffer mail-buffer
|
|
766 mode-popup-menu (and vm-use-menus vm-popup-menu-on-mouse-3
|
|
767 (vm-menu-support-possible-p)
|
|
768 (vm-menu-mode-menu))
|
|
769 buffer-read-only t
|
|
770 mode-line-format vm-mode-line-format)
|
|
771 (cond ((vm-fsfemacs-19-p)
|
|
772 ;; need to do this outside the let because
|
|
773 ;; loading disp-table initializes
|
|
774 ;; standard-display-table.
|
|
775 (require 'disp-table)
|
|
776 (let* ((standard-display-table
|
|
777 (copy-sequence standard-display-table)))
|
|
778 (standard-display-european t)
|
|
779 (setq buffer-display-table standard-display-table))))
|
|
780 (if vm-frame-per-folder
|
|
781 (vm-set-hooks-for-frame-deletion))
|
|
782 (use-local-map vm-mode-map)
|
|
783 (and (vm-toolbar-support-possible-p) vm-use-toolbar
|
|
784 (vm-toolbar-install-toolbar))
|
|
785 (and (vm-menu-support-possible-p)
|
|
786 (vm-menu-install-menus)))
|
|
787 (setq vm-presentation-buffer-handle b)))
|
|
788 ;; do this (widen) outside save-restricton intentionally. since
|
|
789 ;; we're using the presentation buffer, make the folder
|
|
790 ;; buffer unpretty so maybe the user gets the idea.
|
|
791 ;;(widen)
|
|
792 ;; widening isn't enough. users just complain that "I'm
|
|
793 ;; looking at the wrong message." Curse their miserable hides.
|
|
794 ;; bury the buffer so they'll have a tough time finding it.
|
|
795 (bury-buffer (current-buffer))
|
|
796 (setq b vm-presentation-buffer-handle
|
|
797 vm-presentation-buffer vm-presentation-buffer-handle
|
|
798 vm-mime-decoded nil)
|
|
799 (save-excursion
|
|
800 (set-buffer (vm-buffer-of real-m))
|
|
801 (save-restriction
|
|
802 (widen)
|
|
803 ;; must reference this now so that headers will be in
|
|
804 ;; their final position before the message is copied.
|
|
805 ;; otherwise the vheader offset computed below will be
|
|
806 ;; wrong.
|
|
807 (vm-vheaders-of real-m)
|
|
808 (set-buffer b)
|
|
809 (widen)
|
|
810 (let ((buffer-read-only nil)
|
|
811 (modified (buffer-modified-p)))
|
|
812 (unwind-protect
|
|
813 (progn
|
|
814 (erase-buffer)
|
|
815 (insert-buffer-substring (vm-buffer-of real-m)
|
|
816 (vm-start-of real-m)
|
|
817 (vm-end-of real-m)))
|
|
818 (set-buffer-modified-p modified)))
|
|
819 (setq mm (copy-sequence m))
|
|
820 (vm-set-location-data-of mm (vm-copy (vm-location-data-of m)))
|
|
821 (set-marker (vm-start-of mm) (point-min))
|
|
822 (set-marker (vm-headers-of mm) (+ (vm-start-of mm)
|
|
823 (- (vm-headers-of real-m)
|
|
824 (vm-start-of real-m))))
|
|
825 (set-marker (vm-vheaders-of mm) (+ (vm-start-of mm)
|
|
826 (- (vm-vheaders-of real-m)
|
|
827 (vm-start-of real-m))))
|
|
828 (set-marker (vm-text-of mm) (+ (vm-start-of mm)
|
|
829 (- (vm-text-of real-m)
|
|
830 (vm-start-of real-m))))
|
|
831 (set-marker (vm-text-end-of mm) (+ (vm-start-of mm)
|
|
832 (- (vm-text-end-of real-m)
|
|
833 (vm-start-of real-m))))
|
|
834 (set-marker (vm-end-of mm) (+ (vm-start-of mm)
|
|
835 (- (vm-end-of real-m)
|
|
836 (vm-start-of real-m))))
|
|
837 (setcar vm-message-pointer mm)))))
|
|
838
|
|
839 (fset 'vm-presentation-mode 'vm-mode)
|
|
840 (put 'vm-presentation-mode 'mode-class 'special)
|
|
841
|
|
842 (defun vm-determine-proper-charset (beg end)
|
|
843 (save-excursion
|
|
844 (save-restriction
|
|
845 (narrow-to-region beg end)
|
|
846 (catch 'done
|
|
847 (goto-char (point-min))
|
|
848 (and (re-search-forward "[^\000-\177]" nil t)
|
|
849 (throw 'done (or vm-mime-8bit-composition-charset "iso-8859-1")))
|
|
850 (throw 'done "us-ascii")))))
|
|
851
|
|
852 (defun vm-determine-proper-content-transfer-encoding (beg end)
|
|
853 (save-excursion
|
|
854 (save-restriction
|
|
855 (narrow-to-region beg end)
|
|
856 (catch 'done
|
|
857 (goto-char (point-min))
|
|
858 (and (re-search-forward "[\000\015]" nil t)
|
|
859 (throw 'done "binary"))
|
|
860
|
|
861 (let ((toolong nil) bol)
|
|
862 (goto-char (point-min))
|
|
863 (setq bol (point))
|
|
864 (while (and (not (eobp)) (not toolong))
|
|
865 (forward-line)
|
|
866 (setq toolong (> (- (point) bol) 998)
|
|
867 bol (point)))
|
|
868 (and toolong (throw 'done "binary")))
|
|
869
|
|
870 (goto-char (point-min))
|
|
871 (and (re-search-forward "[\200-\377]" nil t)
|
|
872 (throw 'done "8bit"))
|
|
873
|
|
874 "7bit"))))
|
|
875
|
|
876 (defun vm-mime-types-match (type type/subtype)
|
|
877 (let ((case-fold-search t))
|
|
878 (cond ((string-match "/" type)
|
|
879 (if (and (string-match (regexp-quote type) type/subtype)
|
|
880 (equal 0 (match-beginning 0))
|
|
881 (equal (length type/subtype) (match-end 0)))
|
|
882 t
|
|
883 nil ))
|
|
884 ((and (string-match (regexp-quote type) type/subtype)
|
|
885 (equal 0 (match-beginning 0))
|
|
886 (equal (save-match-data
|
|
887 (string-match "/" type/subtype (match-end 0)))
|
|
888 (match-end 0)))))))
|
|
889
|
|
890 (defvar native-sound-only-on-console)
|
|
891
|
|
892 (defun vm-mime-can-display-internal (layout)
|
|
893 (let ((type (car (vm-mm-layout-type layout))))
|
|
894 (cond ((vm-mime-types-match "image/jpeg" type)
|
|
895 (and (vm-xemacs-p)
|
|
896 (featurep 'jpeg)
|
|
897 (eq (device-type) 'x)))
|
|
898 ((vm-mime-types-match "image/gif" type)
|
|
899 (and (vm-xemacs-p)
|
|
900 (featurep 'gif)
|
|
901 (eq (device-type) 'x)))
|
|
902 ((vm-mime-types-match "image/png" type)
|
|
903 (and (vm-xemacs-p)
|
|
904 (featurep 'png)
|
|
905 (eq (device-type) 'x)))
|
|
906 ((vm-mime-types-match "image/tiff" type)
|
|
907 (and (vm-xemacs-p)
|
|
908 (featurep 'tiff)
|
|
909 (eq (device-type) 'x)))
|
|
910 ((vm-mime-types-match "audio/basic" type)
|
|
911 (and (vm-xemacs-p)
|
|
912 (or (featurep 'native-sound)
|
|
913 (featurep 'nas-sound))
|
|
914 (or (device-sound-enabled-p)
|
|
915 (and (featurep 'native-sound)
|
|
916 (not native-sound-only-on-console)
|
|
917 (eq (device-type) 'x)))))
|
|
918 ((vm-mime-types-match "multipart" type) t)
|
|
919 ((vm-mime-types-match "message/external-body" type) nil)
|
|
920 ((vm-mime-types-match "message" type) t)
|
|
921 ((or (vm-mime-types-match "text/plain" type)
|
|
922 (vm-mime-types-match "text/enriched" type))
|
|
923 (let ((charset (or (vm-mime-get-parameter layout "charset")
|
|
924 "us-ascii")))
|
|
925 (vm-mime-charset-internally-displayable-p charset)))
|
|
926 ((vm-mime-types-match "text/html" type)
|
|
927 (condition-case ()
|
|
928 (progn (require 'w3)
|
|
929 (fboundp 'w3-region))
|
|
930 (error nil)))
|
|
931 (t nil))))
|
|
932
|
|
933 (defun vm-mime-can-convert (type)
|
|
934 (let ((alist vm-mime-type-converter-alist)
|
|
935 ;; fake layout. make it the wrong length so an error will
|
|
936 ;; be signaled if vm-mime-can-display-internal ever asks
|
|
937 ;; for one of the other fields
|
|
938 (fake-layout (make-vector 1 (list nil)))
|
|
939 (done nil))
|
|
940 (while (and alist (not done))
|
|
941 (cond ((and (vm-mime-types-match (car (car alist)) type)
|
|
942 (or (progn
|
|
943 (setcar (aref fake-layout 0) (nth 1 (car alist)))
|
|
944 (vm-mime-can-display-internal fake-layout))
|
|
945 (vm-mime-find-external-viewer (nth 1 (car alist)))))
|
|
946 (setq done t))
|
|
947 (t (setq alist (cdr alist)))))
|
|
948 (and alist (car alist))))
|
|
949
|
|
950 (defun vm-mime-convert-undisplayable-layout (layout)
|
|
951 (let ((ooo (vm-mime-can-convert (car (vm-mm-layout-type layout)))))
|
|
952 (vm-unsaved-message "Converting %s to %s..."
|
|
953 (car (vm-mm-layout-type layout))
|
|
954 (nth 1 ooo))
|
|
955 (save-excursion
|
|
956 (set-buffer (generate-new-buffer " *mime object*"))
|
|
957 (setq vm-message-garbage-alist
|
|
958 (cons (cons (current-buffer) 'kill-buffer)
|
|
959 vm-message-garbage-alist))
|
|
960 (vm-mime-insert-mime-body layout)
|
|
961 (vm-mime-transfer-decode-region layout (point-min) (point-max))
|
|
962 (call-process-region (point-min) (point-max) shell-file-name
|
|
963 t t nil shell-command-switch (nth 2 ooo))
|
|
964 (goto-char (point-min))
|
|
965 (insert "Content-Type: " (nth 1 ooo) "\n")
|
|
966 (insert "Content-Transfer-Encoding: binary\n\n")
|
|
967 (set-buffer-modified-p nil)
|
|
968 (vm-unsaved-message "Converting %s to %s... done"
|
|
969 (car (vm-mm-layout-type layout))
|
|
970 (nth 1 ooo))
|
|
971 (vector (list (nth 1 ooo))
|
|
972 "binary"
|
|
973 (vm-mm-layout-id layout)
|
|
974 (vm-mm-layout-description layout)
|
|
975 (vm-mm-layout-disposition layout)
|
|
976 (vm-marker (point-min))
|
|
977 (vm-marker (point))
|
|
978 (vm-marker (point-max))
|
|
979 nil
|
|
980 nil ))))
|
|
981
|
|
982 (defun vm-mime-should-display-button (layout dont-honor-content-disposition)
|
|
983 (if (and vm-honor-mime-content-disposition
|
|
984 (not dont-honor-content-disposition)
|
|
985 (vm-mm-layout-disposition layout))
|
|
986 (let ((case-fold-search t))
|
|
987 (string-match "^attachment$" (car (vm-mm-layout-disposition layout))))
|
|
988 (let ((i-list vm-auto-displayed-mime-content-types)
|
|
989 (type (car (vm-mm-layout-type layout)))
|
|
990 (matched nil))
|
|
991 (if (eq i-list t)
|
|
992 nil
|
|
993 (while (and i-list (not matched))
|
|
994 (if (vm-mime-types-match (car i-list) type)
|
|
995 (setq matched t)
|
|
996 (setq i-list (cdr i-list))))
|
|
997 (not matched) ))))
|
|
998
|
|
999 (defun vm-mime-should-display-internal (layout dont-honor-content-disposition)
|
|
1000 (if (and vm-honor-mime-content-disposition
|
|
1001 (not dont-honor-content-disposition)
|
|
1002 (vm-mm-layout-disposition layout))
|
|
1003 (let ((case-fold-search t))
|
|
1004 (string-match "^inline$" (car (vm-mm-layout-disposition layout))))
|
|
1005 (let ((i-list vm-mime-internal-content-types)
|
|
1006 (type (car (vm-mm-layout-type layout)))
|
|
1007 (matched nil))
|
|
1008 (if (eq i-list t)
|
|
1009 t
|
|
1010 (while (and i-list (not matched))
|
|
1011 (if (vm-mime-types-match (car i-list) type)
|
|
1012 (setq matched t)
|
|
1013 (setq i-list (cdr i-list))))
|
|
1014 matched ))))
|
|
1015
|
|
1016 (defun vm-mime-find-external-viewer (type)
|
|
1017 (let ((e-alist vm-mime-external-content-types-alist)
|
|
1018 (matched nil))
|
|
1019 (while (and e-alist (not matched))
|
|
1020 (if (and (vm-mime-types-match (car (car e-alist)) type)
|
|
1021 (cdr (car e-alist)))
|
|
1022 (setq matched (cdr (car e-alist)))
|
|
1023 (setq e-alist (cdr e-alist))))
|
|
1024 matched ))
|
|
1025 (fset 'vm-mime-should-display-external 'vm-mime-find-external-viewer)
|
|
1026
|
|
1027 (defun vm-mime-delete-button-maybe (extent)
|
|
1028 (let ((buffer-read-only))
|
|
1029 ;; if displayed MIME object should replace the button
|
|
1030 ;; remove the button now.
|
|
1031 (cond ((vm-extent-property extent 'vm-mime-disposable)
|
|
1032 (delete-region (vm-extent-start-position extent)
|
|
1033 (vm-extent-end-position extent))
|
|
1034 (vm-detach-extent extent)))))
|
|
1035
|
|
1036 (defun vm-decode-mime-message ()
|
|
1037 "Decode the MIME objects in the current message.
|
|
1038
|
|
1039 The first time this command is run on a message, decoding is done.
|
|
1040 The second time, buttons for all the objects are displayed instead.
|
|
1041 The third time, the raw, undecoded data is displayed.
|
|
1042
|
|
1043 If decoding, the decoded objects might be displayed immediately, or
|
|
1044 buttons might be displayed that you need to activate to view the
|
|
1045 object. See the documentation for the variables
|
|
1046
|
|
1047 vm-auto-displayed-mime-content-types
|
|
1048 vm-mime-internal-content-types
|
|
1049 vm-mime-external-content-types-alist
|
|
1050
|
|
1051 to see how to control whether you see buttons or objects.
|
|
1052
|
|
1053 If the variable vm-mime-display-function is set, then its value
|
|
1054 is called as a function with no arguments, and none of the
|
|
1055 actions mentioned in the preceding paragraphs are done. At the
|
|
1056 time of the call, the current buffer will be the presentation
|
|
1057 buffer for the folder and a copy of the current message will be
|
|
1058 in the buffer. The function is expected to make the message
|
|
1059 `MIME presentable' to the user in whatever manner it sees fit."
|
|
1060 (interactive)
|
|
1061 (vm-follow-summary-cursor)
|
|
1062 (vm-select-folder-buffer)
|
|
1063 (vm-check-for-killed-summary)
|
|
1064 (vm-check-for-killed-presentation)
|
|
1065 (vm-error-if-folder-empty)
|
|
1066 (if (and (not vm-display-using-mime)
|
|
1067 (null vm-mime-display-function))
|
|
1068 (error "MIME display disabled, set vm-display-using-mime non-nil to enable."))
|
|
1069 (if vm-mime-display-function
|
|
1070 (progn
|
|
1071 (vm-make-presentation-copy (car vm-message-pointer))
|
|
1072 (set-buffer vm-presentation-buffer)
|
|
1073 (funcall vm-mime-display-function))
|
|
1074 (if vm-mime-decoded
|
|
1075 (if (eq vm-mime-decoded 'decoded)
|
|
1076 (let ((vm-preview-read-messages nil)
|
|
1077 (vm-auto-decode-mime-messages t)
|
|
1078 (vm-honor-mime-content-disposition nil)
|
|
1079 (vm-auto-displayed-mime-content-types '("multipart")))
|
|
1080 (setq vm-mime-decoded nil)
|
|
1081 (intern (buffer-name) vm-buffers-needing-display-update)
|
|
1082 (save-excursion
|
|
1083 (vm-preview-current-message))
|
|
1084 (setq vm-mime-decoded 'buttons))
|
|
1085 (let ((vm-preview-read-messages nil)
|
|
1086 (vm-auto-decode-mime-messages nil))
|
|
1087 (intern (buffer-name) vm-buffers-needing-display-update)
|
|
1088 (vm-preview-current-message)))
|
|
1089 (let ((layout (vm-mm-layout (car vm-message-pointer)))
|
|
1090 (m (car vm-message-pointer)))
|
|
1091 (vm-unsaved-message "Decoding MIME message...")
|
|
1092 (cond ((stringp layout)
|
|
1093 (error "Invalid MIME message: %s" layout)))
|
|
1094 (if (vm-mime-plain-message-p m)
|
|
1095 (error "Message needs no decoding."))
|
|
1096 (or vm-presentation-buffer
|
|
1097 ;; maybe user killed it
|
|
1098 (error "No presentation buffer."))
|
|
1099 (set-buffer vm-presentation-buffer)
|
|
1100 (setq m (car vm-message-pointer))
|
|
1101 (vm-save-restriction
|
|
1102 (widen)
|
|
1103 (goto-char (vm-text-of m))
|
|
1104 (let ((buffer-read-only nil)
|
|
1105 (modified (buffer-modified-p)))
|
|
1106 (unwind-protect
|
|
1107 (save-excursion
|
|
1108 (and (not (eq (vm-mm-encoded-header m) 'none))
|
|
1109 (vm-decode-mime-message-headers m))
|
|
1110 (if (vectorp layout)
|
|
1111 (progn
|
|
1112 (vm-decode-mime-layout layout)
|
|
1113 (delete-region (point) (point-max)))))
|
|
1114 (set-buffer-modified-p modified))))
|
|
1115 (save-excursion (set-buffer vm-mail-buffer)
|
|
1116 (setq vm-mime-decoded 'decoded))
|
|
1117 (intern (buffer-name vm-mail-buffer) vm-buffers-needing-display-update)
|
|
1118 (vm-update-summary-and-mode-line)
|
|
1119 (vm-unsaved-message "Decoding MIME message... done"))))
|
|
1120 (vm-display nil nil '(vm-decode-mime-message)
|
|
1121 '(vm-decode-mime-message reading-message)))
|
|
1122
|
|
1123 (defun vm-decode-mime-layout (layout &optional dont-honor-c-d)
|
|
1124 (let ((modified (buffer-modified-p)) type type-no-subtype (extent nil))
|
|
1125 (unwind-protect
|
|
1126 (progn
|
|
1127 (if (not (vectorp layout))
|
|
1128 (progn
|
|
1129 (setq extent layout
|
|
1130 layout (vm-extent-property extent 'vm-mime-layout))
|
|
1131 (goto-char (vm-extent-start-position extent))))
|
|
1132 (setq type (downcase (car (vm-mm-layout-type layout)))
|
|
1133 type-no-subtype (car (vm-parse type "\\([^/]+\\)")))
|
|
1134 (cond ((and (vm-mime-should-display-button layout dont-honor-c-d)
|
|
1135 (or (condition-case nil
|
|
1136 (funcall (intern
|
|
1137 (concat "vm-mime-display-button-"
|
|
1138 type))
|
|
1139 layout)
|
|
1140 (void-function nil))
|
|
1141 (condition-case nil
|
|
1142 (funcall (intern
|
|
1143 (concat "vm-mime-display-button-"
|
|
1144 type-no-subtype))
|
|
1145 layout)
|
|
1146 (void-function nil)))))
|
|
1147 ((and (vm-mime-should-display-internal layout dont-honor-c-d)
|
|
1148 (condition-case nil
|
|
1149 (funcall (intern
|
|
1150 (concat "vm-mime-display-internal-"
|
|
1151 type))
|
|
1152 layout)
|
|
1153 (void-function nil))))
|
|
1154 ((vm-mime-types-match "multipart" type)
|
|
1155 (or (condition-case nil
|
|
1156 (funcall (intern
|
|
1157 (concat "vm-mime-display-internal-"
|
|
1158 type))
|
|
1159 layout)
|
|
1160 (void-function nil))
|
|
1161 (vm-mime-display-internal-multipart/mixed layout)))
|
|
1162 ((and (vm-mime-should-display-external type)
|
|
1163 (vm-mime-display-external-generic layout))
|
|
1164 (and extent (vm-set-extent-property
|
|
1165 extent 'vm-mime-disposable nil)))
|
|
1166 ((vm-mime-can-convert type)
|
|
1167 (vm-decode-mime-layout
|
|
1168 (vm-mime-convert-undisplayable-layout layout)))
|
|
1169 ((and (or (vm-mime-types-match "message" type)
|
|
1170 (vm-mime-types-match "text" type))
|
|
1171 ;; display unmatched message and text types as
|
|
1172 ;; text/plain.
|
|
1173 (vm-mime-display-internal-text/plain layout)))
|
|
1174 (t (vm-mime-display-internal-application/octet-stream
|
|
1175 (or extent layout))))
|
|
1176 (and extent (vm-mime-delete-button-maybe extent)))
|
|
1177 (set-buffer-modified-p modified)))
|
|
1178 t )
|
|
1179
|
|
1180 (defun vm-mime-display-button-text (layout)
|
|
1181 (vm-mime-display-button-xxxx layout t))
|
|
1182
|
|
1183 (defun vm-mime-display-internal-text/html (layout)
|
|
1184 (let ((buffer-read-only nil)
|
|
1185 (work-buffer nil))
|
|
1186 (vm-unsaved-message "Inlining text/html, be patient...")
|
|
1187 ;; w3-region is not as tame as we would like.
|
|
1188 ;; make sure the yoke is firmly attached.
|
|
1189 (unwind-protect
|
|
1190 (progn
|
|
1191 (save-excursion
|
|
1192 (set-buffer (setq work-buffer
|
|
1193 (generate-new-buffer " *workbuf*")))
|
|
1194 (vm-mime-insert-mime-body layout)
|
|
1195 (vm-mime-transfer-decode-region layout (point-min) (point-max))
|
|
1196 (save-excursion
|
|
1197 (save-window-excursion
|
|
1198 (w3-region (point-min) (point-max)))))
|
|
1199 (insert-buffer-substring work-buffer))
|
|
1200 (and work-buffer (kill-buffer work-buffer)))
|
|
1201 (vm-unsaved-message "Inlining text/html... done")
|
|
1202 t ))
|
|
1203
|
|
1204 (defun vm-mime-display-internal-text/plain (layout &optional ignore-urls)
|
|
1205 (let ((start (point)) end
|
|
1206 (buffer-read-only nil)
|
|
1207 (charset (or (vm-mime-get-parameter layout "charset") "us-ascii")))
|
|
1208 (if (not (vm-mime-charset-internally-displayable-p charset))
|
|
1209 nil
|
|
1210 (vm-mime-insert-mime-body layout)
|
|
1211 (setq end (point-marker))
|
|
1212 (vm-mime-transfer-decode-region layout start end)
|
|
1213 (vm-mime-charset-decode-region charset start end)
|
|
1214 (or ignore-urls (vm-energize-urls-in-message-region start end))
|
|
1215 t )))
|
|
1216
|
|
1217 (defun vm-mime-display-internal-text/enriched (layout)
|
|
1218 (require 'enriched)
|
|
1219 (let ((start (point)) end
|
|
1220 (buffer-read-only nil)
|
|
1221 (enriched-verbose t))
|
|
1222 (vm-unsaved-message "Decoding text/enriched, be patient...")
|
|
1223 (vm-mime-insert-mime-body layout)
|
|
1224 (setq end (point-marker))
|
|
1225 (vm-mime-transfer-decode-region layout start end)
|
|
1226 ;; enriched-decode expects a couple of headers at the top of
|
|
1227 ;; the region and will remove anything that looks like a
|
|
1228 ;; header. Put a header section here for it to eat so it
|
|
1229 ;; won't eat message text instead.
|
|
1230 (goto-char start)
|
|
1231 (insert "Comment: You should not see this header\n\n")
|
|
1232 (enriched-decode start end)
|
|
1233 (vm-energize-urls-in-message-region start end)
|
|
1234 (goto-char end)
|
|
1235 (vm-unsaved-message "Decoding text/enriched... done")
|
|
1236 t ))
|
|
1237
|
|
1238 (defun vm-mime-display-external-generic (layout)
|
|
1239 (let ((program-list (vm-mime-find-external-viewer
|
|
1240 (car (vm-mm-layout-type layout))))
|
|
1241 (process (nth 0 (vm-mm-layout-cache layout)))
|
|
1242 (tempfile (nth 1 (vm-mm-layout-cache layout)))
|
|
1243 (buffer-read-only nil)
|
|
1244 (start (point))
|
|
1245 end)
|
|
1246 (if (and (processp process) (eq (process-status process) 'run))
|
|
1247 nil
|
|
1248 (cond ((or (null tempfile) (null (file-exists-p tempfile)))
|
|
1249 (vm-mime-insert-mime-body layout)
|
|
1250 (setq end (point-marker))
|
|
1251 (vm-mime-transfer-decode-region layout start end)
|
|
1252 (setq tempfile (vm-make-tempfile-name))
|
|
1253 ;; Tell DOS/Windows NT whether the file is binary
|
|
1254 (setq buffer-file-type (not (vm-mime-text-type-p layout)))
|
|
1255 (write-region start end tempfile nil 0)
|
|
1256 (delete-region start end)
|
|
1257 (save-excursion
|
|
1258 (vm-select-folder-buffer)
|
|
1259 (setq vm-folder-garbage-alist
|
|
1260 (cons (cons tempfile 'delete-file)
|
|
1261 vm-folder-garbage-alist)))))
|
|
1262 (vm-unsaved-message "Launching %s..." (mapconcat 'identity
|
|
1263 program-list
|
|
1264 " "))
|
|
1265 (setq process
|
|
1266 (apply 'start-process
|
|
1267 (format "view %25s" (vm-mime-layout-description layout))
|
|
1268 nil (append program-list (list tempfile))))
|
|
1269 (process-kill-without-query process t)
|
|
1270 (vm-unsaved-message "Launching %s... done" (mapconcat 'identity
|
|
1271 program-list
|
|
1272 " "))
|
|
1273 (save-excursion
|
|
1274 (vm-select-folder-buffer)
|
|
1275 (setq vm-message-garbage-alist
|
|
1276 (cons (cons process 'delete-process)
|
|
1277 vm-message-garbage-alist)))
|
|
1278 (vm-set-mm-layout-cache layout (list process tempfile))))
|
|
1279 t )
|
|
1280
|
|
1281 (defun vm-mime-display-internal-application/octet-stream (layout)
|
|
1282 (if (vectorp layout)
|
|
1283 (let ((buffer-read-only nil)
|
|
1284 (description (vm-mm-layout-description layout)))
|
|
1285 (vm-mime-insert-button
|
|
1286 (format "%-35s [%s to save to a file]"
|
|
1287 (vm-mime-layout-description layout)
|
|
1288 (if (vm-mouse-support-possible-p)
|
|
1289 "Click mouse-2"
|
|
1290 "Press RETURN"))
|
|
1291 (function
|
|
1292 (lambda (layout)
|
|
1293 (save-excursion
|
|
1294 (vm-mime-display-internal-application/octet-stream layout))))
|
|
1295 layout nil))
|
|
1296 (goto-char (vm-extent-start-position layout))
|
|
1297 (setq layout (vm-extent-property layout 'vm-mime-layout))
|
|
1298 ;; support old "name" paramater for application/octet-stream
|
|
1299 ;; but don't override the "filename" parameter extracted from
|
|
1300 ;; Content-Disposition, if any.
|
|
1301 (let ((default-filename
|
|
1302 (if (vm-mime-get-disposition-parameter layout "filename")
|
|
1303 nil
|
|
1304 (vm-mime-get-parameter layout "name"))))
|
|
1305 (vm-mime-send-body-to-file layout default-filename)))
|
|
1306 t )
|
|
1307 (fset 'vm-mime-display-button-application
|
|
1308 'vm-mime-display-internal-application/octet-stream)
|
|
1309
|
|
1310 (defun vm-mime-display-button-image (layout)
|
|
1311 (vm-mime-display-button-xxxx layout t))
|
|
1312
|
|
1313 (defun vm-mime-display-button-audio (layout)
|
|
1314 (vm-mime-display-button-xxxx layout nil))
|
|
1315
|
|
1316 (defun vm-mime-display-button-video (layout)
|
|
1317 (vm-mime-display-button-xxxx layout t))
|
|
1318
|
|
1319 (defun vm-mime-display-button-message (layout)
|
|
1320 (vm-mime-display-button-xxxx layout t))
|
|
1321
|
|
1322 (defun vm-mime-display-button-multipart (layout)
|
|
1323 (vm-mime-display-button-xxxx layout t))
|
|
1324
|
|
1325 (defun vm-mime-display-internal-multipart/mixed (layout)
|
|
1326 (let ((part-list (vm-mm-layout-parts layout)))
|
|
1327 (while part-list
|
|
1328 (vm-decode-mime-layout (car part-list))
|
|
1329 (setq part-list (cdr part-list)))
|
|
1330 t ))
|
|
1331
|
|
1332 (defun vm-mime-display-internal-multipart/alternative (layout)
|
|
1333 (let (best-layout)
|
|
1334 (cond ((eq vm-mime-alternative-select-method 'best)
|
|
1335 (let ((done nil)
|
|
1336 (best nil)
|
|
1337 part-list type)
|
|
1338 (setq part-list (vm-mm-layout-parts layout)
|
|
1339 part-list (nreverse (copy-sequence part-list)))
|
|
1340 (while (and part-list (not done))
|
|
1341 (setq type (car (vm-mm-layout-type (car part-list))))
|
|
1342 (if (or (vm-mime-can-display-internal (car part-list))
|
|
1343 (vm-mime-find-external-viewer type))
|
|
1344 (setq best (car part-list)
|
|
1345 done t)
|
|
1346 (setq part-list (cdr part-list))))
|
|
1347 (setq best-layout (or best (car (vm-mm-layout-parts layout))))))
|
|
1348 ((eq vm-mime-alternative-select-method 'best-internal)
|
|
1349 (let ((done nil)
|
|
1350 (best nil)
|
|
1351 (second-best nil)
|
|
1352 part-list type)
|
|
1353 (setq part-list (vm-mm-layout-parts layout)
|
|
1354 part-list (nreverse (copy-sequence part-list)))
|
|
1355 (while (and part-list (not done))
|
|
1356 (setq type (car (vm-mm-layout-type (car part-list))))
|
|
1357 (cond ((vm-mime-can-display-internal (car part-list))
|
|
1358 (setq best (car part-list)
|
|
1359 done t))
|
|
1360 ((and (null second-best)
|
|
1361 (vm-mime-find-external-viewer type))
|
|
1362 (setq second-best (car part-list))))
|
|
1363 (setq part-list (cdr part-list)))
|
|
1364 (setq best-layout (or best second-best
|
|
1365 (car (vm-mm-layout-parts layout)))))))
|
|
1366 (vm-decode-mime-layout best-layout)))
|
|
1367
|
|
1368 (defun vm-mime-display-button-multipart/parallel (layout)
|
|
1369 (vm-mime-insert-button
|
|
1370 (format "%-35s [%s to display in parallel]"
|
|
1371 (vm-mime-layout-description layout)
|
|
1372 (if (vm-mouse-support-possible-p)
|
|
1373 "Click mouse-2"
|
|
1374 "Press RETURN"))
|
|
1375 (function
|
|
1376 (lambda (layout)
|
|
1377 (save-excursion
|
|
1378 (let ((vm-auto-displayed-mime-content-types t))
|
|
1379 (vm-decode-mime-layout layout t)))))
|
|
1380 layout t))
|
|
1381
|
|
1382 (fset 'vm-mime-display-internal-multipart/parallel
|
|
1383 'vm-mime-display-internal-multipart/mixed)
|
|
1384
|
|
1385 (defun vm-mime-display-internal-multipart/digest (layout)
|
|
1386 (if (vectorp layout)
|
|
1387 (let ((buffer-read-only nil))
|
|
1388 (vm-mime-insert-button
|
|
1389 (format "%-35s [%s to display]"
|
|
1390 (vm-mime-layout-description layout)
|
|
1391 (if (vm-mouse-support-possible-p)
|
|
1392 "Click mouse-2"
|
|
1393 "Press RETURN"))
|
|
1394 (function
|
|
1395 (lambda (layout)
|
|
1396 (save-excursion
|
|
1397 (vm-mime-display-internal-multipart/digest layout))))
|
|
1398 layout nil))
|
|
1399 (goto-char (vm-extent-start-position layout))
|
|
1400 (setq layout (vm-extent-property layout 'vm-mime-layout))
|
|
1401 (set-buffer (generate-new-buffer (format "digest from %s/%s"
|
|
1402 (buffer-name vm-mail-buffer)
|
|
1403 (vm-number-of
|
|
1404 (car vm-message-pointer)))))
|
|
1405 (setq vm-folder-type vm-default-folder-type)
|
|
1406 (vm-mime-burst-layout layout nil)
|
|
1407 (vm-save-buffer-excursion
|
|
1408 (vm-goto-new-folder-frame-maybe 'folder)
|
|
1409 (vm-mode))
|
|
1410 ;; temp buffer, don't offer to save it.
|
|
1411 (setq buffer-offer-save nil)
|
|
1412 (vm-display nil nil (list this-command) '(vm-mode startup)))
|
|
1413 t )
|
|
1414 (fset 'vm-mime-display-button-multipart/digest
|
|
1415 'vm-mime-display-internal-multipart/digest)
|
|
1416
|
|
1417 (defun vm-mime-display-internal-message/rfc822 (layout)
|
|
1418 (if (vectorp layout)
|
|
1419 (let ((buffer-read-only nil))
|
|
1420 (vm-mime-insert-button
|
|
1421 (format "%-35s [%s to display]"
|
|
1422 (vm-mime-layout-description layout)
|
|
1423 (if (vm-mouse-support-possible-p)
|
|
1424 "Click mouse-2"
|
|
1425 "Press RETURN"))
|
|
1426 (function
|
|
1427 (lambda (layout)
|
|
1428 (save-excursion
|
|
1429 (vm-mime-display-internal-message/rfc822 layout))))
|
|
1430 layout nil))
|
|
1431 (goto-char (vm-extent-start-position layout))
|
|
1432 (setq layout (vm-extent-property layout 'vm-mime-layout))
|
|
1433 (set-buffer (generate-new-buffer
|
|
1434 (format "message from %s/%s"
|
|
1435 (buffer-name vm-mail-buffer)
|
|
1436 (vm-number-of
|
|
1437 (car vm-message-pointer)))))
|
|
1438 (setq vm-folder-type vm-default-folder-type)
|
|
1439 (vm-mime-burst-layout layout nil)
|
|
1440 (set-buffer-modified-p nil)
|
|
1441 (vm-save-buffer-excursion
|
|
1442 (vm-goto-new-folder-frame-maybe 'folder)
|
|
1443 (vm-mode))
|
|
1444 ;; temp buffer, don't offer to save it.
|
|
1445 (setq buffer-offer-save nil)
|
|
1446 (vm-display (or vm-presentation-buffer (current-buffer)) t
|
|
1447 (list this-command) '(vm-mode startup)))
|
|
1448 t )
|
|
1449 (fset 'vm-mime-display-button-message/rfc822
|
|
1450 'vm-mime-display-internal-message/rfc822)
|
|
1451
|
|
1452 (defun vm-mime-display-internal-message/partial (layout)
|
|
1453 (if (vectorp layout)
|
|
1454 (let ((buffer-read-only nil)
|
|
1455 (number (vm-mime-get-parameter layout "number"))
|
|
1456 (total (vm-mime-get-parameter layout "total")))
|
|
1457 (vm-mime-insert-button
|
|
1458 (format "%-35s [%s to attempt assembly]"
|
|
1459 (concat (vm-mime-layout-description layout)
|
|
1460 (and number (concat ", part " number))
|
|
1461 (and number total (concat " of " total)))
|
|
1462 (if (vm-mouse-support-possible-p)
|
|
1463 "Click mouse-2"
|
|
1464 "Press RETURN"))
|
|
1465 (function
|
|
1466 (lambda (layout)
|
|
1467 (save-excursion
|
|
1468 (vm-mime-display-internal-message/partial layout))))
|
|
1469 layout nil))
|
|
1470 (vm-unsaved-message "Assembling message...")
|
|
1471 (let ((parts nil)
|
|
1472 (missing nil)
|
|
1473 (work-buffer nil)
|
|
1474 extent id o number total m i prev part-header-pos
|
|
1475 p-id p-number p-total p-list)
|
|
1476 (setq extent layout
|
|
1477 layout (vm-extent-property extent 'vm-mime-layout)
|
|
1478 id (vm-mime-get-parameter layout "id"))
|
|
1479 (if (null id)
|
|
1480 (vm-mime-error
|
|
1481 "message/partial message missing id parameter"))
|
|
1482 (save-excursion
|
|
1483 (set-buffer (marker-buffer (vm-mm-layout-body-start layout)))
|
|
1484 (save-excursion
|
|
1485 (save-restriction
|
|
1486 (widen)
|
|
1487 (goto-char (point-min))
|
|
1488 (while (and (search-forward id nil t)
|
|
1489 (setq m (vm-message-at-point)))
|
|
1490 (setq o (vm-mm-layout m))
|
|
1491 (if (not (vectorp o))
|
|
1492 nil
|
|
1493 (setq p-list (vm-mime-find-message/partials o id))
|
|
1494 (while p-list
|
|
1495 (setq p-id (vm-mime-get-parameter (car p-list) "id"))
|
|
1496 (setq p-total (vm-mime-get-parameter (car p-list) "total"))
|
|
1497 (if (null p-total)
|
|
1498 nil
|
|
1499 (setq p-total (string-to-int p-total))
|
|
1500 (if (< p-total 1)
|
|
1501 (vm-mime-error "message/partial specified part total < 0, %d" p-total))
|
|
1502 (if total
|
|
1503 (if (not (= total p-total))
|
|
1504 (vm-mime-error "message/partial speificed total differs between parts, (%d != %d)" p-total total))
|
|
1505 (setq total p-total)))
|
|
1506 (setq p-number (vm-mime-get-parameter (car p-list) "number"))
|
|
1507 (if (null p-number)
|
|
1508 (vm-mime-error
|
|
1509 "message/partial message missing number parameter"))
|
|
1510 (setq p-number (string-to-int p-number))
|
|
1511 (if (< p-number 1)
|
|
1512 (vm-mime-error "message/partial part number < 0, %d"
|
|
1513 p-number))
|
|
1514 (if (and total (> p-number total))
|
|
1515 (vm-mime-error "message/partial part number greater than expected number of parts, (%d > %d)" p-number total))
|
|
1516 (setq parts (cons (list p-number (car p-list)) parts)
|
|
1517 p-list (cdr p-list))))
|
|
1518 (goto-char (vm-mm-layout-body-end o))))))
|
|
1519 (if (null total)
|
|
1520 (vm-mime-error "total number of parts not specified in any message/partial part"))
|
|
1521 (setq parts (sort parts
|
|
1522 (function
|
|
1523 (lambda (p q)
|
|
1524 (< (car p)
|
|
1525 (car q))))))
|
|
1526 (setq i 0
|
|
1527 p-list parts)
|
|
1528 (while p-list
|
|
1529 (cond ((< i (car (car p-list)))
|
|
1530 (vm-increment i)
|
|
1531 (cond ((not (= i (car (car p-list))))
|
|
1532 (setq missing (cons i missing)))
|
|
1533 (t (setq prev p-list
|
|
1534 p-list (cdr p-list)))))
|
|
1535 (t
|
|
1536 ;; remove duplicate part
|
|
1537 (setcdr prev (cdr p-list))
|
|
1538 (setq p-list (cdr p-list)))))
|
|
1539 (while (< i total)
|
|
1540 (vm-increment i)
|
|
1541 (setq missing (cons i missing)))
|
|
1542 (if missing
|
|
1543 (vm-mime-error "part%s %s%s missing"
|
|
1544 (if (cdr missing) "s" "")
|
|
1545 (mapconcat
|
|
1546 (function identity)
|
|
1547 (nreverse (mapcar 'int-to-string
|
|
1548 (or (cdr missing) missing)))
|
|
1549 ", ")
|
|
1550 (if (cdr missing)
|
|
1551 (concat " and " (car missing))
|
|
1552 "")))
|
|
1553 (set-buffer (generate-new-buffer "assembled message"))
|
|
1554 (setq vm-folder-type vm-default-folder-type)
|
|
1555 (vm-mime-insert-mime-headers (car (cdr (car parts))))
|
|
1556 (goto-char (point-min))
|
|
1557 (vm-reorder-message-headers
|
|
1558 nil nil
|
|
1559 "\\(Encrypted\\|Content-\\|MIME-Version\\|Message-ID\\|Subject\\|X-VM-\\|Status\\)")
|
|
1560 (goto-char (point-max))
|
|
1561 (setq part-header-pos (point))
|
|
1562 (while parts
|
|
1563 (vm-mime-insert-mime-body (car (cdr (car parts))))
|
|
1564 (setq parts (cdr parts)))
|
|
1565 (goto-char part-header-pos)
|
|
1566 (vm-reorder-message-headers
|
|
1567 nil '("Subject" "MIME-Version" "Content-" "Message-ID" "Encrypted") nil)
|
|
1568 (vm-munge-message-separators vm-folder-type (point-min) (point-max))
|
|
1569 (goto-char (point-min))
|
|
1570 (insert (vm-leading-message-separator))
|
|
1571 (goto-char (point-max))
|
|
1572 (insert (vm-trailing-message-separator))
|
|
1573 (set-buffer-modified-p nil)
|
|
1574 (vm-unsaved-message "Assembling message... done")
|
|
1575 (vm-save-buffer-excursion
|
|
1576 (vm-goto-new-folder-frame-maybe 'folder)
|
|
1577 (vm-mode))
|
|
1578 ;; temp buffer, don't offer to save it.
|
|
1579 (setq buffer-offer-save nil)
|
|
1580 (vm-display (or vm-presentation-buffer (current-buffer)) t
|
|
1581 (list this-command) '(vm-mode startup)))
|
|
1582 t ))
|
|
1583 (fset 'vm-mime-display-button-message/partial
|
|
1584 'vm-mime-display-internal-message/partial)
|
|
1585
|
|
1586 (defun vm-mime-display-internal-image-xxxx (layout feature name)
|
|
1587 (if (and (vm-xemacs-p)
|
|
1588 (featurep feature)
|
|
1589 (eq (device-type) 'x))
|
|
1590 (let ((start (point)) end tempfile g e
|
|
1591 (buffer-read-only nil))
|
|
1592 (if (vm-mm-layout-cache layout)
|
|
1593 (setq g (vm-mm-layout-cache layout))
|
|
1594 (vm-mime-insert-mime-body layout)
|
|
1595 (setq end (point-marker))
|
|
1596 (vm-mime-transfer-decode-region layout start end)
|
|
1597 (setq tempfile (vm-make-tempfile-name))
|
|
1598 (write-region start end tempfile nil 0)
|
|
1599 (vm-unsaved-message "Creating %s glyph..." name)
|
|
1600 (setq g (make-glyph
|
|
1601 (list (vector feature ':file tempfile)
|
|
1602 (vector 'string
|
|
1603 ':data
|
|
1604 (format "[Unknown %s image encoding]\n"
|
|
1605 name)))))
|
|
1606 (vm-unsaved-message "")
|
|
1607 (vm-set-mm-layout-cache layout g)
|
|
1608 (save-excursion
|
|
1609 (vm-select-folder-buffer)
|
|
1610 (setq vm-folder-garbage-alist
|
|
1611 (cons (cons tempfile 'delete-file)
|
|
1612 vm-folder-garbage-alist)))
|
|
1613 (delete-region start end))
|
|
1614 (if (not (bolp))
|
|
1615 (insert-char ?\n 2)
|
|
1616 (insert-char ?\n 1))
|
|
1617 (setq e (vm-make-extent (1- (point)) (point)))
|
|
1618 (vm-set-extent-property e 'begin-glyph g)
|
|
1619 t )))
|
|
1620
|
|
1621 (defun vm-mime-display-internal-image/gif (layout)
|
|
1622 (vm-mime-display-internal-image-xxxx layout 'gif "GIF"))
|
|
1623
|
|
1624 (defun vm-mime-display-internal-image/jpeg (layout)
|
|
1625 (vm-mime-display-internal-image-xxxx layout 'jpeg "JPEG"))
|
|
1626
|
|
1627 (defun vm-mime-display-internal-image/png (layout)
|
|
1628 (vm-mime-display-internal-image-xxxx layout 'png "PNG"))
|
|
1629
|
|
1630 (defun vm-mime-display-internal-image/tiff (layout)
|
|
1631 (vm-mime-display-internal-image-xxxx layout 'tiff "TIFF"))
|
|
1632
|
|
1633 (defun vm-mime-display-internal-audio/basic (layout)
|
|
1634 (if (and (vm-xemacs-p)
|
|
1635 (or (featurep 'native-sound)
|
|
1636 (featurep 'nas-sound))
|
|
1637 (or (device-sound-enabled-p)
|
|
1638 (and (featurep 'native-sound)
|
|
1639 (not native-sound-only-on-console)
|
|
1640 (eq (device-type) 'x))))
|
|
1641 (let ((start (point)) end tempfile
|
|
1642 (buffer-read-only nil))
|
|
1643 (if (vm-mm-layout-cache layout)
|
|
1644 (setq tempfile (vm-mm-layout-cache layout))
|
|
1645 (vm-mime-insert-mime-body layout)
|
|
1646 (setq end (point-marker))
|
|
1647 (vm-mime-transfer-decode-region layout start end)
|
|
1648 (setq tempfile (vm-make-tempfile-name))
|
|
1649 (write-region start end tempfile nil 0)
|
|
1650 (vm-set-mm-layout-cache layout tempfile)
|
|
1651 (save-excursion
|
|
1652 (vm-select-folder-buffer)
|
|
1653 (setq vm-folder-garbage-alist
|
|
1654 (cons (cons tempfile 'delete-file)
|
|
1655 vm-folder-garbage-alist)))
|
|
1656 (delete-region start end))
|
|
1657 (start-itimer "audioplayer"
|
|
1658 (list 'lambda nil (list 'play-sound-file tempfile))
|
|
1659 1)
|
|
1660 t )
|
|
1661 nil ))
|
|
1662
|
|
1663 (defun vm-mime-display-button-xxxx (layout disposable)
|
|
1664 (let ((description (vm-mime-layout-description layout)))
|
|
1665 (vm-mime-insert-button
|
|
1666 (format "%-35s [%s to display]"
|
|
1667 description
|
|
1668 (if (vm-mouse-support-possible-p) "Click mouse-2" "Press RETURN"))
|
|
1669 (function
|
|
1670 (lambda (layout)
|
|
1671 (save-excursion
|
|
1672 (let ((vm-auto-displayed-mime-content-types t))
|
|
1673 (vm-decode-mime-layout layout t)))))
|
|
1674 layout disposable)
|
|
1675 t ))
|
|
1676
|
|
1677 (defun vm-mime-run-display-function-at-point (&optional function)
|
|
1678 (interactive)
|
|
1679 ;; save excursion to keep point from moving. its motion would
|
|
1680 ;; drag window point along, to a place arbitrarily far from
|
|
1681 ;; where it was when the user triggered the button.
|
|
1682 (save-excursion
|
|
1683 (cond ((vm-fsfemacs-19-p)
|
|
1684 (let (o-list o (found nil))
|
|
1685 (setq o-list (overlays-at (point)))
|
|
1686 (while (and o-list (not found))
|
|
1687 (cond ((overlay-get (car o-list) 'vm-mime-layout)
|
|
1688 (setq found t)
|
|
1689 (funcall (or function (overlay-get (car o-list)
|
|
1690 'vm-mime-function))
|
|
1691 (car o-list))))
|
|
1692 (setq o-list (cdr o-list)))))
|
|
1693 ((vm-xemacs-p)
|
|
1694 (let ((e (extent-at (point) nil 'vm-mime-layout)))
|
|
1695 (funcall (or function (extent-property e 'vm-mime-function))
|
|
1696 e))))))
|
|
1697
|
|
1698 ;; for the karking compiler
|
|
1699 (defvar vm-menu-mime-dispose-menu)
|
|
1700
|
|
1701 (defun vm-mime-insert-button (caption action layout disposable)
|
|
1702 (let ((start (point)) e
|
|
1703 (keymap (make-sparse-keymap))
|
|
1704 (buffer-read-only nil))
|
|
1705 (if (fboundp 'set-keymap-parents)
|
|
1706 (set-keymap-parents keymap (list (current-local-map)))
|
|
1707 (setq keymap (nconc keymap (current-local-map))))
|
|
1708 (define-key keymap "\r" 'vm-mime-run-display-function-at-point)
|
|
1709 (if (and (vm-mouse-xemacs-mouse-p) vm-popup-menu-on-mouse-3)
|
|
1710 (define-key keymap 'button3 'vm-menu-popup-mime-dispose-menu))
|
|
1711 (if (not (bolp))
|
|
1712 (insert "\n"))
|
|
1713 (insert caption "\n")
|
|
1714 ;; we MUST have the five arg make-overlay. overlays must
|
|
1715 ;; advance when text is inserted at their start position or
|
|
1716 ;; inline text and graphics will seep into the button
|
|
1717 ;; overlay and then be removed when the button is removed.
|
|
1718 (if (fboundp 'make-overlay)
|
|
1719 (setq e (make-overlay start (point) nil t nil))
|
|
1720 (setq e (make-extent start (point)))
|
|
1721 (set-extent-property e 'start-open t)
|
|
1722 (set-extent-property e 'end-open t))
|
|
1723 ;; for emacs
|
|
1724 (vm-set-extent-property e 'mouse-face 'highlight)
|
|
1725 (vm-set-extent-property e 'local-map keymap)
|
|
1726 ;; for xemacs
|
|
1727 (vm-set-extent-property e 'highlight t)
|
|
1728 (vm-set-extent-property e 'keymap keymap)
|
|
1729 (vm-set-extent-property e 'balloon-help 'vm-mouse-3-help)
|
|
1730 ;; for all
|
|
1731 (vm-set-extent-property e 'vm-mime-disposable disposable)
|
|
1732 (vm-set-extent-property e 'face vm-mime-button-face)
|
|
1733 (vm-set-extent-property e 'vm-mime-layout layout)
|
|
1734 (vm-set-extent-property e 'vm-mime-function action)))
|
|
1735
|
|
1736 (defun vm-mime-send-body-to-file (layout &optional default-filename)
|
|
1737 (if (not (vectorp layout))
|
|
1738 (setq layout (vm-extent-property layout 'vm-mime-layout)))
|
|
1739 (or default-filename
|
|
1740 (setq default-filename
|
|
1741 (vm-mime-get-disposition-parameter layout "filename")))
|
|
1742 (and default-filename
|
|
1743 (setq default-filename (file-name-nondirectory default-filename)))
|
|
1744 (let ((work-buffer nil)
|
|
1745 ;; evade the XEmacs dialox box, yeccch.
|
|
1746 (should-use-dialog-box nil)
|
|
1747 file)
|
|
1748 (setq file
|
|
1749 (read-file-name
|
|
1750 (if default-filename
|
|
1751 (format "Write MIME body to file (default %s): "
|
|
1752 default-filename)
|
|
1753 "Write MIME body to file: ")
|
|
1754 vm-mime-attachment-save-directory default-filename)
|
|
1755 file (expand-file-name file vm-mime-attachment-save-directory))
|
|
1756 (save-excursion
|
|
1757 (unwind-protect
|
|
1758 (progn
|
|
1759 (setq work-buffer (generate-new-buffer " *vm-work*"))
|
|
1760 (buffer-disable-undo work-buffer)
|
|
1761 (set-buffer work-buffer)
|
|
1762 ;; Tell DOS/Windows NT whether the file is binary
|
|
1763 (setq buffer-file-type (not (vm-mime-text-type-p layout)))
|
|
1764 (vm-mime-insert-mime-body layout)
|
|
1765 (vm-mime-transfer-decode-region layout (point-min) (point-max))
|
|
1766 (or (not (file-exists-p file))
|
|
1767 (y-or-n-p "File exists, overwrite? ")
|
|
1768 (error "Aborted"))
|
|
1769 (write-region (point-min) (point-max) file nil nil))
|
|
1770 (and work-buffer (kill-buffer work-buffer))))))
|
|
1771
|
|
1772 (defun vm-mime-pipe-body-to-command (layout &optional discard-output)
|
|
1773 (if (not (vectorp layout))
|
|
1774 (setq layout (vm-extent-property layout 'vm-mime-layout)))
|
|
1775 (let ((command-line (read-string "Pipe to command: "))
|
|
1776 (output-buffer (if discard-output
|
|
1777 0
|
|
1778 (get-buffer-create "*Shell Command Output*")))
|
|
1779 (work-buffer nil))
|
|
1780 (save-excursion
|
|
1781 (if (bufferp output-buffer)
|
|
1782 (progn
|
|
1783 (set-buffer output-buffer)
|
|
1784 (erase-buffer)))
|
|
1785 (unwind-protect
|
|
1786 (progn
|
|
1787 (setq work-buffer (generate-new-buffer " *vm-work*"))
|
|
1788 (buffer-disable-undo work-buffer)
|
|
1789 (set-buffer work-buffer)
|
|
1790 (vm-mime-insert-mime-body layout)
|
|
1791 (vm-mime-transfer-decode-region layout (point-min) (point-max))
|
|
1792 (let ((pop-up-windows (and pop-up-windows
|
|
1793 (eq vm-mutable-windows t)))
|
|
1794 ;; Tell DOS/Windows NT whether the input is binary
|
|
1795 (binary-process-input (not (vm-mime-text-type-p layout))))
|
|
1796 (call-process-region (point-min) (point-max)
|
|
1797 (or shell-file-name "sh")
|
|
1798 nil output-buffer nil
|
|
1799 shell-command-switch command-line)))
|
|
1800 (and work-buffer (kill-buffer work-buffer)))
|
|
1801 (if (bufferp output-buffer)
|
|
1802 (progn
|
|
1803 (set-buffer output-buffer)
|
|
1804 (if (not (zerop (buffer-size)))
|
|
1805 (vm-display output-buffer t (list this-command)
|
|
1806 '(vm-pipe-message-to-command))
|
|
1807 (vm-display nil nil (list this-command)
|
|
1808 '(vm-pipe-message-to-command)))))))
|
|
1809 t )
|
|
1810
|
|
1811 (defun vm-mime-pipe-body-to-command-discard-output (layout)
|
|
1812 (vm-mime-pipe-body-to-command layout t))
|
|
1813
|
|
1814 (defun vm-mime-scrub-description (string)
|
|
1815 (let ((work-buffer nil))
|
|
1816 (save-excursion
|
|
1817 (unwind-protect
|
|
1818 (progn
|
|
1819 (setq work-buffer (generate-new-buffer " *vm-work*"))
|
|
1820 (buffer-disable-undo work-buffer)
|
|
1821 (set-buffer work-buffer)
|
|
1822 (insert string)
|
|
1823 (while (re-search-forward "[ \t\n]+" nil t)
|
|
1824 (replace-match " "))
|
|
1825 (buffer-string))
|
|
1826 (and work-buffer (kill-buffer work-buffer))))))
|
|
1827
|
|
1828 (defun vm-mime-layout-description (layout)
|
|
1829 (if (vm-mm-layout-description layout)
|
|
1830 (vm-mime-scrub-description (vm-mm-layout-description layout))
|
|
1831 (let ((type (car (vm-mm-layout-type layout)))
|
|
1832 name)
|
|
1833 (cond ((vm-mime-types-match "multipart/digest" type)
|
|
1834 (let ((n (length (vm-mm-layout-parts layout))))
|
|
1835 (format "digest (%d message%s)" n (if (= n 1) "" "s"))))
|
|
1836 ((vm-mime-types-match "multipart/alternative" type)
|
|
1837 "multipart alternative")
|
|
1838 ((vm-mime-types-match "multipart" type)
|
|
1839 (let ((n (length (vm-mm-layout-parts layout))))
|
|
1840 (format "multipart message (%d part%s)" n (if (= n 1) "" "s"))))
|
|
1841 ((vm-mime-types-match "text/plain" type)
|
|
1842 (format "plain text%s"
|
|
1843 (let ((charset (vm-mime-get-parameter layout "charset")))
|
|
1844 (if charset
|
|
1845 (concat ", " charset)
|
|
1846 ""))))
|
|
1847 ((vm-mime-types-match "text/enriched" type)
|
|
1848 "enriched text")
|
|
1849 ((vm-mime-types-match "text/html" type)
|
|
1850 "HTML")
|
|
1851 ((vm-mime-types-match "image/gif" type)
|
|
1852 "GIF image")
|
|
1853 ((vm-mime-types-match "image/jpeg" type)
|
|
1854 "JPEG image")
|
|
1855 ((and (vm-mime-types-match "application/octet-stream" type)
|
|
1856 (setq name (vm-mime-get-parameter layout "name"))
|
|
1857 (save-match-data (not (string-match "^[ \t]*$" name))))
|
|
1858 name)
|
|
1859 (t type)))))
|
|
1860
|
|
1861 (defun vm-mime-layout-contains-type (layout type)
|
|
1862 (if (vm-mime-types-match type (car (vm-mm-layout-type layout)))
|
|
1863 layout
|
|
1864 (let ((p (vm-mm-layout-parts layout))
|
|
1865 (result nil)
|
|
1866 (done nil))
|
|
1867 (while (and p (not done))
|
|
1868 (if (setq result (vm-mime-layout-contains-type (car p) type))
|
|
1869 (setq done t)
|
|
1870 (setq p (cdr p))))
|
|
1871 result )))
|
|
1872
|
|
1873 (defun vm-mime-plain-message-p (m)
|
|
1874 (save-match-data
|
|
1875 (let ((o (vm-mm-layout m))
|
|
1876 (case-fold-search t))
|
|
1877 (and (eq (vm-mm-encoded-header m) 'none)
|
|
1878 (or (not (vectorp o))
|
|
1879 (and (vm-mime-types-match "text/plain"
|
|
1880 (car (vm-mm-layout-type o)))
|
|
1881 (string-match "^\\(us-ascii\\|iso-8859-1\\)$"
|
|
1882 (or (vm-mime-get-parameter o "charset")
|
|
1883 "us-ascii"))
|
|
1884 (string-match "^\\(7bit\\|8bit\\|binary\\)$"
|
|
1885 (vm-mm-layout-encoding o))))))))
|
|
1886
|
|
1887 (defun vm-mime-text-type-p (layout)
|
|
1888 (or (vm-mime-types-match "text" (car (vm-mm-layout-type layout)))
|
|
1889 (vm-mime-types-match "message" (car (vm-mm-layout-type layout)))))
|
|
1890
|
|
1891 (defun vm-mime-charset-internally-displayable-p (name)
|
|
1892 (cond ((and (vm-xemacs-mule-p) (eq (device-type) 'x))
|
|
1893 (cdr (assoc (downcase name) vm-mime-xemacs-mule-charset-alist)))
|
|
1894 ((vm-xemacs-p)
|
|
1895 (vm-member (downcase name) '("us-ascii" "iso-8859-1")))
|
|
1896 ((vm-fsfemacs-19-p)
|
|
1897 (vm-member (downcase name) '("us-ascii" "iso-8859-1")))))
|
|
1898
|
|
1899 (defun vm-mime-find-message/partials (layout id)
|
|
1900 (let ((list nil)
|
|
1901 (type (vm-mm-layout-type layout)))
|
|
1902 (cond ((vm-mime-types-match "multipart" (car type))
|
|
1903 (let ((parts (vm-mm-layout-parts layout)) o)
|
|
1904 (while parts
|
|
1905 (setq o (vm-mime-find-message/partials (car parts) id))
|
|
1906 (if o
|
|
1907 (setq list (nconc o list)))
|
|
1908 (setq parts (cdr parts)))))
|
|
1909 ((vm-mime-types-match "message/partial" (car type))
|
|
1910 (if (equal (vm-mime-get-parameter layout "id") id)
|
|
1911 (setq list (cons layout list)))))
|
|
1912 list ))
|
|
1913
|
|
1914 (defun vm-message-at-point ()
|
|
1915 (let ((mp vm-message-list)
|
|
1916 (point (point))
|
|
1917 (done nil))
|
|
1918 (while (and mp (not done))
|
|
1919 (if (and (>= point (vm-start-of (car mp)))
|
|
1920 (<= point (vm-end-of (car mp))))
|
|
1921 (setq done t)
|
|
1922 (setq mp (cdr mp))))
|
|
1923 (car mp)))
|
|
1924
|
|
1925 (defun vm-mime-make-multipart-boundary ()
|
|
1926 (let ((boundary (make-string 40 ?a))
|
|
1927 (i 0))
|
|
1928 (random t)
|
|
1929 (while (< i (length boundary))
|
|
1930 (aset boundary i (aref vm-mime-base64-alphabet
|
|
1931 (% (vm-abs (lsh (random) -8))
|
|
1932 (length vm-mime-base64-alphabet))))
|
|
1933 (vm-increment i))
|
|
1934 boundary ))
|
|
1935
|
|
1936 (defun vm-mime-attach-file (file type &optional charset)
|
|
1937 "Attach a file to a VM composition buffer to be sent along with the message.
|
|
1938 The file is not inserted into the buffer and MIME encoded until
|
|
1939 you execute vm-mail-send or vm-mail-send-and-exit. A visible tag
|
|
1940 indicating the existence of the attachment is placed in the
|
|
1941 composition buffer. You can move the attachment around or remove
|
|
1942 it entirely with normal text editing commands. If you remove the
|
|
1943 attachment tag, the attachment will not be sent.
|
|
1944
|
|
1945 First argument, FILE, is the name of the file to attach. Second
|
|
1946 argument, TYPE, is the MIME Content-Type of the file. Optional
|
|
1947 third argument CHARSET is the character set of the attached
|
|
1948 document. This argument is only used for text types, and it
|
|
1949 is ignored for other types.
|
|
1950
|
|
1951 When called interactively all arguments are read from the
|
|
1952 minibuffer.
|
|
1953
|
|
1954 This command is for attaching files that do not have a MIME
|
|
1955 header section at the top. For files with MIME headers, you
|
|
1956 should use vm-mime-attach-mime-file to attach such a file. VM
|
|
1957 will extract the content type information from the headers in
|
|
1958 this case and not prompt you for it in the minibuffer."
|
|
1959 (interactive
|
|
1960 ;; protect value of last-command and this-command
|
|
1961 (let ((last-command last-command)
|
|
1962 (this-command this-command)
|
|
1963 (charset nil)
|
|
1964 file default-type type)
|
|
1965 (if (null vm-send-using-mime)
|
|
1966 (error "MIME attachments disabled, set vm-send-using-mime non-nil to enable."))
|
|
1967 (setq file (vm-read-file-name "Attach file: " nil nil t)
|
|
1968 default-type (or (vm-mime-default-type-from-filename file)
|
|
1969 "application/octet-stream")
|
|
1970 type (completing-read
|
|
1971 (format "Content type (default %s): "
|
|
1972 default-type)
|
|
1973 vm-mime-type-completion-alist)
|
|
1974 type (if (> (length type) 0) type default-type))
|
|
1975 (if (vm-mime-types-match "text" type)
|
|
1976 (setq charset (completing-read "Character set (default US-ASCII): "
|
|
1977 vm-mime-charset-completion-alist)
|
|
1978 charset (if (> (length charset) 0) charset)))
|
|
1979 (list file type charset)))
|
|
1980 (if (null vm-send-using-mime)
|
|
1981 (error "MIME attachments disabled, set vm-send-using-mime non-nil to enable."))
|
|
1982 (if (file-directory-p file)
|
|
1983 (error "%s is a directory, cannot attach" file))
|
|
1984 (if (not (file-exists-p file))
|
|
1985 (error "No such file: %s" file))
|
|
1986 (if (not (file-readable-p file))
|
|
1987 (error "You don't have permission to read %s" file))
|
|
1988 (and charset (setq charset (list (concat "charset=" charset))))
|
|
1989 (vm-mime-attach-object file type charset nil))
|
|
1990
|
|
1991 (defun vm-mime-attach-mime-file (file)
|
|
1992 "Attach a MIME encoded file to a VM composition buffer to be sent
|
|
1993 along with the message.
|
|
1994
|
|
1995 The file is not inserted into the buffer until you execute
|
|
1996 vm-mail-send or vm-mail-send-and-exit. A visible tag indicating
|
|
1997 the existence of the attachment is placed in the composition
|
|
1998 buffer. You can move the attachment around or remove it entirely
|
|
1999 with normal text editing commands. If you remove the attachment
|
|
2000 tag, the attachment will not be sent.
|
|
2001
|
|
2002 The sole argument, FILE, is the name of the file to attach.
|
|
2003 When called interactively the FILE argument is read from the
|
|
2004 minibuffer.
|
|
2005
|
|
2006 This command is for attaching files that have a MIME
|
|
2007 header section at the top. For files without MIME headers, you
|
|
2008 should use vm-mime-attach-file to attach such a file. VM
|
|
2009 will interactively query you for the file type information."
|
|
2010 (interactive
|
|
2011 ;; protect value of last-command and this-command
|
|
2012 (let ((last-command last-command)
|
|
2013 (this-command this-command)
|
|
2014 file)
|
|
2015 (if (null vm-send-using-mime)
|
|
2016 (error "MIME attachments disabled, set vm-send-using-mime non-nil to enable."))
|
|
2017 (setq file (vm-read-file-name "Attach file: " nil nil t))
|
|
2018 (list file)))
|
|
2019 (if (null vm-send-using-mime)
|
|
2020 (error "MIME attachments disabled, set vm-send-using-mime non-nil to enable."))
|
|
2021 (if (file-directory-p file)
|
|
2022 (error "%s is a directory, cannot attach" file))
|
|
2023 (if (not (file-exists-p file))
|
|
2024 (error "No such file: %s" file))
|
|
2025 (if (not (file-readable-p file))
|
|
2026 (error "You don't have permission to read %s" file))
|
|
2027 (vm-mime-attach-object file "MIME file" nil t))
|
|
2028
|
|
2029 (defun vm-mime-attach-object (object type params mimed)
|
|
2030 (if (not (eq major-mode 'mail-mode))
|
|
2031 (error "Command must be used in a VM Mail mode buffer."))
|
|
2032 (let ((start (point))
|
|
2033 e tag-string)
|
|
2034 (setq tag-string (format "[ATTACHMENT %s, %s]" object type))
|
|
2035 (insert tag-string "\n")
|
|
2036 (cond ((fboundp 'make-overlay)
|
|
2037 (setq e (make-overlay start (point) nil t nil))
|
|
2038 (overlay-put e 'face vm-mime-button-face))
|
|
2039 ((fboundp 'make-extent)
|
|
2040 (setq e (make-extent start (1- (point))))
|
|
2041 (set-extent-property e 'start-open t)
|
|
2042 (set-extent-property e 'face vm-mime-button-face)))
|
|
2043 (vm-set-extent-property e 'duplicable t)
|
|
2044 ;; crashes XEmacs
|
|
2045 ;; (vm-set-extent-property e 'replicating t)
|
|
2046 (vm-set-extent-property e 'vm-mime-type type)
|
|
2047 (vm-set-extent-property e 'vm-mime-object object)
|
|
2048 (vm-set-extent-property e 'vm-mime-params params)
|
|
2049 (vm-set-extent-property e 'vm-mime-encoded mimed)))
|
|
2050
|
|
2051 (defun vm-mime-default-type-from-filename (file)
|
|
2052 (let ((alist vm-mime-attachment-auto-type-alist)
|
|
2053 (case-fold-search t)
|
|
2054 (done nil))
|
|
2055 (while (and alist (not done))
|
|
2056 (if (string-match (car (car alist)) file)
|
|
2057 (setq done t)
|
|
2058 (setq alist (cdr alist))))
|
|
2059 (and alist (cdr (car alist)))))
|
|
2060
|
|
2061 (defun vm-remove-mail-mode-header-separator ()
|
|
2062 (save-excursion
|
|
2063 (goto-char (point-min))
|
|
2064 (if (re-search-forward (concat "^" mail-header-separator "$") nil t)
|
|
2065 (progn
|
|
2066 (delete-region (match-beginning 0) (match-end 0))
|
|
2067 t )
|
|
2068 nil )))
|
|
2069
|
|
2070 (defun vm-add-mail-mode-header-separator ()
|
|
2071 (save-excursion
|
|
2072 (goto-char (point-min))
|
|
2073 (if (re-search-forward "^$" nil t)
|
|
2074 (replace-match mail-header-separator t t))))
|
|
2075
|
|
2076 (defun vm-mime-transfer-encode-region (encoding beg end crlf)
|
|
2077 (let ((case-fold-search t))
|
|
2078 (cond ((string-match "^binary$" encoding)
|
|
2079 (vm-mime-base64-encode-region beg end crlf)
|
|
2080 (setq encoding "base64"))
|
|
2081 ((string-match "^7bit$" encoding) t)
|
|
2082 ((string-match "^base64$" encoding) t)
|
|
2083 ((string-match "^quoted-printable$" encoding) t)
|
|
2084 ;; must be 8bit
|
|
2085 ((eq vm-mime-8bit-text-transfer-encoding 'quoted-printable)
|
|
2086 (vm-mime-qp-encode-region beg end)
|
|
2087 (setq encoding "quoted-printable"))
|
|
2088 ((eq vm-mime-8bit-text-transfer-encoding 'base64)
|
|
2089 (vm-mime-base64-encode-region beg end crlf)
|
|
2090 (setq encoding "base64"))
|
|
2091 ((eq vm-mime-8bit-text-transfer-encoding 'send) t))
|
|
2092 encoding ))
|
|
2093
|
|
2094 (defun vm-mime-transfer-encode-layout (layout)
|
|
2095 (if (vm-mime-text-type-p layout)
|
|
2096 (vm-mime-transfer-encode-region (vm-mm-layout-encoding layout)
|
|
2097 (vm-mm-layout-body-start layout)
|
|
2098 (vm-mm-layout-body-end layout)
|
|
2099 t)
|
|
2100 (vm-mime-transfer-encode-region (vm-mm-layout-encoding layout)
|
|
2101 (vm-mm-layout-body-start layout)
|
|
2102 (vm-mm-layout-body-end layout)
|
|
2103 nil)))
|
|
2104 (defun vm-mime-encode-composition ()
|
|
2105 "MIME encode the current buffer.
|
|
2106 Attachment tags added to the buffer with vm-mime-attach-file are expanded
|
|
2107 and the approriate content-type and boundary markup information is added."
|
|
2108 (interactive)
|
|
2109 (save-restriction
|
|
2110 (widen)
|
|
2111 (if (not (eq major-mode 'mail-mode))
|
|
2112 (error "Command must be used in a VM Mail mode buffer."))
|
|
2113 (or (null (vm-mail-mode-get-header-contents "MIME-Version:"))
|
|
2114 (error "Message is already MIME encoded."))
|
|
2115 (let ((8bit nil)
|
|
2116 (just-one nil)
|
|
2117 (boundary-positions nil)
|
|
2118 already-mimed layout e e-list boundary
|
|
2119 type encoding charset params object opoint-min)
|
|
2120 (mail-text)
|
|
2121 (setq e-list (if (fboundp 'extent-list)
|
|
2122 (extent-list nil (point) (point-max))
|
|
2123 (overlays-in (point) (point-max)))
|
|
2124 e-list (vm-delete (function
|
|
2125 (lambda (e)
|
|
2126 (vm-extent-property e 'vm-mime-object)))
|
|
2127 e-list t)
|
|
2128 e-list (sort e-list (function
|
|
2129 (lambda (e1 e2)
|
|
2130 (< (vm-extent-end-position e1)
|
|
2131 (vm-extent-end-position e2))))))
|
|
2132 ;; If there's just one attachment and no other readable
|
|
2133 ;; text in the buffer then make the message type just be
|
|
2134 ;; the attachment type rather than sending a multipart
|
|
2135 ;; message with one attachment
|
|
2136 (setq just-one (and (= (length e-list) 1)
|
|
2137 (looking-at "[ \t\n]*")
|
|
2138 (= (match-end 0)
|
|
2139 (vm-extent-start-position (car e-list)))
|
|
2140 (save-excursion
|
|
2141 (goto-char (vm-extent-end-position (car e-list)))
|
|
2142 (looking-at "[ \t\n]*\\'"))))
|
|
2143 (if (null e-list)
|
|
2144 (progn
|
|
2145 (narrow-to-region (point) (point-max))
|
|
2146 (setq charset (vm-determine-proper-charset (point-min)
|
|
2147 (point-max)))
|
|
2148 (setq encoding (vm-determine-proper-content-transfer-encoding
|
|
2149 (point-min)
|
|
2150 (point-max))
|
|
2151 encoding (vm-mime-transfer-encode-region encoding
|
|
2152 (point-min)
|
|
2153 (point-max)
|
|
2154 t))
|
|
2155 (widen)
|
|
2156 (vm-remove-mail-mode-header-separator)
|
|
2157 (goto-char (point-min))
|
|
2158 (vm-reorder-message-headers
|
|
2159 nil nil "\\(Content-Type:\\|Content-Transfer-Encoding\\|MIME-Version:\\)")
|
|
2160 (insert "MIME-Version: 1.0\n")
|
|
2161 (insert "Content-Type: text/plain; charset=" charset "\n")
|
|
2162 (insert "Content-Transfer-Encoding: " encoding "\n")
|
|
2163 (vm-add-mail-mode-header-separator))
|
|
2164 (while e-list
|
|
2165 (setq e (car e-list))
|
|
2166 (if (or just-one (= (point) (vm-extent-start-position e)))
|
|
2167 nil
|
|
2168 (narrow-to-region (point) (vm-extent-start-position e))
|
|
2169 (setq charset (vm-determine-proper-charset (point-min)
|
|
2170 (point-max)))
|
|
2171 (setq encoding (vm-determine-proper-content-transfer-encoding
|
|
2172 (point-min)
|
|
2173 (point-max))
|
|
2174 encoding (vm-mime-transfer-encode-region encoding
|
|
2175 (point-min)
|
|
2176 (point-max)
|
|
2177 t))
|
|
2178 (setq boundary-positions (cons (point-marker) boundary-positions))
|
|
2179 (insert "Content-Type: text/plain; charset=" charset "\n")
|
|
2180 (insert "Content-Transfer-Encoding: " encoding "\n\n")
|
|
2181 (widen))
|
|
2182 (goto-char (vm-extent-end-position e))
|
|
2183 (narrow-to-region (point) (point))
|
|
2184 (setq object (vm-extent-property e 'vm-mime-object))
|
|
2185 (cond ((bufferp object)
|
|
2186 (insert-buffer-substring object))
|
|
2187 ((stringp object)
|
|
2188 (insert-file-contents-literally object)))
|
|
2189 (if (setq already-mimed (vm-extent-property e 'vm-mime-encoded))
|
|
2190 (setq layout (vm-mime-parse-entity
|
|
2191 nil (list "text/plain" "charset=us-ascii")
|
|
2192 "7bit")
|
|
2193 type (car (vm-mm-layout-type layout))
|
|
2194 params (cdr (vm-mm-layout-type layout)))
|
|
2195 (setq type (vm-extent-property e 'vm-mime-type)
|
|
2196 params (vm-extent-property e 'vm-mime-parameters)))
|
|
2197 (cond ((vm-mime-types-match "text" type)
|
|
2198 (setq encoding
|
|
2199 (vm-determine-proper-content-transfer-encoding
|
|
2200 (if already-mimed
|
|
2201 (vm-mm-layout-body-start layout)
|
|
2202 (point-min))
|
|
2203 (point-max))
|
|
2204 encoding (vm-mime-transfer-encode-region
|
|
2205 encoding
|
|
2206 (if already-mimed
|
|
2207 (vm-mm-layout-body-start layout)
|
|
2208 (point-min))
|
|
2209 (point-max)
|
|
2210 t))
|
|
2211 (setq 8bit (or 8bit (equal encoding "8bit"))))
|
|
2212 ((or (vm-mime-types-match "message/rfc822" type)
|
|
2213 (vm-mime-types-match "multipart" type))
|
|
2214 (setq opoint-min (point-min))
|
|
2215 (if (not already-mimed)
|
|
2216 (setq layout (vm-mime-parse-entity
|
|
2217 nil (list "text/plain" "charset=us-ascii")
|
|
2218 "7bit")))
|
|
2219 ;; MIME messages of type "message" and
|
|
2220 ;; "multipart" are required to have a non-opaque
|
|
2221 ;; content transfer encoding. This means that
|
|
2222 ;; if the user only wants to send out 7bit data,
|
|
2223 ;; then any subpart that contains 8bit data must
|
|
2224 ;; have an opaque (qp or base64) 8->7bit
|
|
2225 ;; conversion performed on it so that the
|
|
2226 ;; enclosing entity can use an non-opqaue
|
|
2227 ;; encoding.
|
|
2228 ;;
|
|
2229 ;; message/partial requires a "7bit" encoding so
|
|
2230 ;; force 8->7 conversion in that case.
|
|
2231 (let ((vm-mime-8bit-text-transfer-encoding
|
|
2232 (if (vm-mime-types-match "message/partial" type)
|
|
2233 'quoted-printable
|
|
2234 vm-mime-8bit-text-transfer-encoding)))
|
|
2235 (vm-mime-map-atomic-layouts 'vm-mime-transfer-encode-layout
|
|
2236 (vm-mm-layout-parts layout)))
|
|
2237 ;; now figure out a proper content trasnfer
|
|
2238 ;; encoding value for the enclosing entity.
|
|
2239 (re-search-forward "^\n" nil t)
|
|
2240 (save-restriction
|
|
2241 (narrow-to-region (point) (point-max))
|
|
2242 (setq encoding
|
|
2243 (vm-determine-proper-content-transfer-encoding
|
|
2244 (point-min)
|
|
2245 (point-max))))
|
|
2246 (setq 8bit (or 8bit (equal encoding "8bit")))
|
|
2247 (goto-char (point-max))
|
|
2248 (widen)
|
|
2249 (narrow-to-region opoint-min (point)))
|
|
2250 (t
|
|
2251 (vm-mime-base64-encode-region
|
|
2252 (if already-mimed
|
|
2253 (vm-mm-layout-body-start layout)
|
|
2254 (point-min))
|
|
2255 (point-max))
|
|
2256 (setq encoding "base64")))
|
|
2257 (if just-one
|
|
2258 nil
|
|
2259 (goto-char (point-min))
|
|
2260 (setq boundary-positions (cons (point-marker) boundary-positions))
|
|
2261 (if (not already-mimed)
|
|
2262 nil
|
|
2263 ;; trim headers
|
|
2264 (vm-reorder-message-headers
|
|
2265 nil '("Content-Description:" "Content-ID:") nil)
|
|
2266 ;; remove header/text separator
|
|
2267 (goto-char (1- (vm-mm-layout-body-start layout)))
|
|
2268 (if (looking-at "\n")
|
|
2269 (delete-char 1)))
|
|
2270 (insert "Content-Type: " type)
|
|
2271 (if params
|
|
2272 (if vm-mime-avoid-folding-content-type
|
|
2273 (insert "; " (mapconcat 'identity params "; ") "\n")
|
|
2274 (insert ";\n\t" (mapconcat 'identity params ";\n\t") "\n"))
|
|
2275 (insert "\n"))
|
|
2276 (insert "Content-Transfer-Encoding: " encoding "\n\n"))
|
|
2277 (goto-char (point-max))
|
|
2278 (widen)
|
|
2279 (delete-region (vm-extent-start-position e)
|
|
2280 (vm-extent-end-position e))
|
|
2281 (vm-detach-extent e)
|
|
2282 (setq e-list (cdr e-list)))
|
|
2283 ;; handle the remaining chunk of text after the last
|
|
2284 ;; extent, if any.
|
|
2285 (if (or just-one (= (point) (point-max)))
|
|
2286 nil
|
|
2287 (setq charset (vm-determine-proper-charset (point)
|
|
2288 (point-max)))
|
|
2289 (setq encoding (vm-determine-proper-content-transfer-encoding
|
|
2290 (point)
|
|
2291 (point-max))
|
|
2292 encoding (vm-mime-transfer-encode-region encoding
|
|
2293 (point)
|
|
2294 (point-max)
|
|
2295 t))
|
|
2296 (setq 8bit (or 8bit (equal encoding "8bit")))
|
|
2297 (setq boundary-positions (cons (point-marker) boundary-positions))
|
|
2298 (insert "Content-Type: text/plain; charset=" charset "\n")
|
|
2299 (insert "Content-Transfer-Encoding: " encoding "\n\n")
|
|
2300 (goto-char (point-max)))
|
|
2301 (setq boundary (vm-mime-make-multipart-boundary))
|
|
2302 (mail-text)
|
|
2303 (while (re-search-forward (concat "^--"
|
|
2304 (regexp-quote boundary)
|
|
2305 "\\(--\\)?$")
|
|
2306 nil t)
|
|
2307 (setq boundary (vm-mime-make-multipart-boundary))
|
|
2308 (mail-text))
|
|
2309 (goto-char (point-max))
|
|
2310 (or just-one (insert "\n--" boundary "--\n"))
|
|
2311 (while boundary-positions
|
|
2312 (goto-char (car boundary-positions))
|
|
2313 (insert "\n--" boundary "\n")
|
|
2314 (setq boundary-positions (cdr boundary-positions)))
|
|
2315 (if (and just-one already-mimed)
|
|
2316 (progn
|
|
2317 (goto-char (vm-mm-layout-header-start layout))
|
|
2318 ;; trim headers
|
|
2319 (vm-reorder-message-headers
|
|
2320 nil '("Content-Description:" "Content-ID:") nil)
|
|
2321 ;; remove header/text separator
|
|
2322 (goto-char (1- (vm-mm-layout-body-start layout)))
|
|
2323 (if (looking-at "\n")
|
|
2324 (delete-char 1))
|
|
2325 ;; copy remainder to enclosing entity's header section
|
|
2326 (insert-buffer-substring (current-buffer)
|
|
2327 (vm-mm-layout-header-start layout)
|
|
2328 (vm-mm-layout-body-start layout))
|
|
2329 (delete-region (vm-mm-layout-header-start layout)
|
|
2330 (vm-mm-layout-body-start layout))))
|
|
2331 (goto-char (point-min))
|
|
2332 (vm-remove-mail-mode-header-separator)
|
|
2333 (vm-reorder-message-headers
|
|
2334 nil nil "\\(Content-Type:\\|MIME-Version:\\|Content-Transfer-Encoding\\)")
|
|
2335 (vm-add-mail-mode-header-separator)
|
|
2336 (insert "MIME-Version: 1.0\n")
|
|
2337 (if (not just-one)
|
|
2338 (insert (if vm-mime-avoid-folding-content-type
|
|
2339 "Content-Type: multipart/mixed; boundary=\""
|
|
2340 "Content-Type: multipart/mixed;\n\tboundary=\"")
|
|
2341 boundary "\"\n")
|
|
2342 (insert "Content-Type: " type)
|
|
2343 (if params
|
|
2344 (if vm-mime-avoid-folding-content-type
|
|
2345 (insert "; " (mapconcat 'identity params "; ") "\n")
|
|
2346 (insert ";\n\t" (mapconcat 'identity params ";\n\t"))))
|
|
2347 (insert "\n"))
|
|
2348 (if just-one
|
|
2349 (insert "Content-Transfer-Encoding: " encoding "\n")
|
|
2350 (if 8bit
|
|
2351 (insert "Content-Transfer-Encoding: 8bit\n")
|
|
2352 (insert "Content-Transfer-Encoding: 7bit\n")))))))
|
|
2353
|
|
2354 (defun vm-mime-fragment-composition (size)
|
|
2355 (save-restriction
|
|
2356 (widen)
|
|
2357 (vm-unsaved-message "Fragmenting message...")
|
|
2358 (let ((buffers nil)
|
|
2359 (id (vm-mime-make-multipart-boundary))
|
|
2360 (n 1)
|
|
2361 (the-end nil)
|
|
2362 b header-start header-end master-buffer start end)
|
|
2363 (vm-remove-mail-mode-header-separator)
|
|
2364 ;; message/partial must have "7bit" content transfer
|
|
2365 ;; encoding, so verify that everything has been encoded for
|
|
2366 ;; 7bit transmission.
|
|
2367 (let ((vm-mime-8bit-text-transfer-encoding
|
|
2368 (if (eq vm-mime-8bit-text-transfer-encoding 'send)
|
|
2369 'quoted-printable
|
|
2370 vm-mime-8bit-text-transfer-encoding)))
|
|
2371 (vm-mime-map-atomic-layouts
|
|
2372 'vm-mime-transfer-encode-layout
|
|
2373 (list (vm-mime-parse-entity nil (list "text/plain" "charset=us-ascii")
|
|
2374 "7bit"))))
|
|
2375 (goto-char (point-min))
|
|
2376 (setq header-start (point))
|
|
2377 (search-forward "\n\n")
|
|
2378 (setq header-end (1- (point)))
|
|
2379 (setq master-buffer (current-buffer))
|
|
2380 (goto-char (point-min))
|
|
2381 (setq start (point))
|
|
2382 (while (not (eobp))
|
|
2383 (condition-case nil
|
|
2384 (progn
|
|
2385 (forward-char (max (- size 150) 2000))
|
|
2386 (beginning-of-line))
|
|
2387 (end-of-buffer (setq the-end t)))
|
|
2388 (setq end (point))
|
|
2389 (setq b (generate-new-buffer (concat (buffer-name) " part "
|
|
2390 (int-to-string n))))
|
|
2391 (setq buffers (cons b buffers))
|
|
2392 (set-buffer b)
|
|
2393 (make-local-variable 'vm-send-using-mime)
|
|
2394 (setq vm-send-using-mime nil)
|
|
2395 (insert-buffer-substring master-buffer header-start header-end)
|
|
2396 (goto-char (point-min))
|
|
2397 (vm-reorder-message-headers nil nil
|
|
2398 "\\(Content-Type:\\|MIME-Version:\\|Content-Transfer-Encoding\\)")
|
|
2399 (insert "MIME-Version: 1.0\n")
|
|
2400 (insert (format
|
|
2401 (if vm-mime-avoid-folding-content-type
|
|
2402 "Content-Type: message/partial; id=%s; number=%d"
|
|
2403 "Content-Type: message/partial;\n\tid=%s;\n\tnumber=%d")
|
|
2404 id n))
|
|
2405 (if the-end
|
|
2406 (if vm-mime-avoid-folding-content-type
|
|
2407 (insert (format "; total=%d\n" n))
|
|
2408 (insert (format ";\n\ttotal=%d\n" n)))
|
|
2409 (insert "\n"))
|
|
2410 (insert "Content-Transfer-Encoding: 7bit\n")
|
|
2411 (goto-char (point-max))
|
|
2412 (insert mail-header-separator "\n")
|
|
2413 (insert-buffer-substring master-buffer start end)
|
|
2414 (vm-increment n)
|
|
2415 (set-buffer master-buffer)
|
|
2416 (setq start (point)))
|
|
2417 (vm-unsaved-message "Fragmenting message... done")
|
|
2418 (nreverse buffers))))
|
|
2419
|
|
2420 (defun vm-mime-preview-composition ()
|
|
2421 "Show how the current composition buffer might be displayed
|
|
2422 in a MIME-aware mail reader. VM copies and encodes the current
|
|
2423 mail composition buffer and displays it as a mail folder.
|
|
2424 Type `q' to quit this temp folder and return to composing your
|
|
2425 message."
|
|
2426 (interactive)
|
|
2427 (if (not (eq major-mode 'mail-mode))
|
|
2428 (error "Command must be used in a VM Mail mode buffer."))
|
|
2429 (let ((temp-buffer nil)
|
|
2430 (mail-buffer (current-buffer))
|
|
2431 e-list)
|
|
2432 (unwind-protect
|
|
2433 (progn
|
|
2434 (mail-text)
|
|
2435 (setq e-list (if (fboundp 'extent-list)
|
|
2436 (extent-list nil (point) (point-max))
|
|
2437 (overlays-in (point) (point-max)))
|
|
2438 e-list (vm-delete (function
|
|
2439 (lambda (e)
|
|
2440 (vm-extent-property e 'vm-mime-object)))
|
|
2441 e-list t)
|
|
2442 e-list (sort e-list (function
|
|
2443 (lambda (e1 e2)
|
|
2444 (< (vm-extent-end-position e1)
|
|
2445 (vm-extent-end-position e2))))))
|
|
2446 (setq temp-buffer (generate-new-buffer "composition preview"))
|
|
2447 (set-buffer temp-buffer)
|
|
2448 ;; so vm-mime-encode-composition won't complain
|
|
2449 (setq major-mode 'mail-mode)
|
|
2450 (vm-insert-region-from-buffer mail-buffer)
|
|
2451 (mapcar 'vm-copy-extent e-list)
|
|
2452 (goto-char (point-min))
|
|
2453 (or (vm-mail-mode-get-header-contents "From")
|
|
2454 (insert "From: " (or user-mail-address (user-login-name)) "\n"))
|
|
2455 (or (vm-mail-mode-get-header-contents "Message-ID")
|
|
2456 (insert "Message-ID: <fake@fake.com>\n"))
|
|
2457 (or (vm-mail-mode-get-header-contents "Date")
|
|
2458 (insert "Date: "
|
|
2459 (format-time-string "%a, %d %b %Y %H%M%S %Z"
|
|
2460 (current-time))
|
|
2461 "\n"))
|
|
2462 (and vm-send-using-mime
|
|
2463 (null (vm-mail-mode-get-header-contents "MIME-Version:"))
|
|
2464 (vm-mime-encode-composition))
|
|
2465 (goto-char (point-min))
|
|
2466 (insert (vm-leading-message-separator 'From_))
|
|
2467 (goto-char (point-max))
|
|
2468 (insert (vm-trailing-message-separator 'From_))
|
|
2469 (set-buffer-modified-p nil)
|
|
2470 ;; point of no return, don't kill it if the user quits
|
|
2471 (setq temp-buffer nil)
|
|
2472 (let ((vm-auto-decode-mime-messages t)
|
|
2473 (vm-auto-displayed-mime-content-types t))
|
|
2474 (vm-save-buffer-excursion
|
|
2475 (vm-goto-new-folder-frame-maybe 'folder)
|
|
2476 (vm-mode)))
|
|
2477 (message
|
|
2478 (substitute-command-keys
|
|
2479 "Type \\[vm-quit] to continue composing your message"))
|
|
2480 ;; temp buffer, don't offer to save it.
|
|
2481 (setq buffer-offer-save nil)
|
|
2482 (vm-display (or vm-presentation-buffer (current-buffer)) t
|
|
2483 (list this-command) '(vm-mode startup)))
|
|
2484 (and temp-buffer (kill-buffer temp-buffer)))))
|
|
2485
|
|
2486 (defun vm-mime-composite-type-p (type)
|
|
2487 (or (vm-mime-types-match "message" type)
|
|
2488 (vm-mime-types-match "multipart" type)))
|
|
2489
|
|
2490 (defun vm-mime-map-atomic-layouts (function list)
|
|
2491 (while list
|
|
2492 (if (vm-mime-composite-type-p (car (vm-mm-layout-type (car list))))
|
|
2493 (vm-mime-map-atomic-layouts function (vm-mm-layout-parts (car list)))
|
|
2494 (funcall function (car list)))
|
|
2495 (setq list (cdr list))))
|