/usr/share/jed/lib/gpg.sl is in jed-common 1:0.99.19-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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autoload ("close_filter_process", "syncproc");
custom_variable ("GPG_Encrypt_Program", "gpg -c --batch --quiet -o - --passphrase-fd 0");
custom_variable ("GPG_Decrypt_Program", "gpg --decrypt --batch -o - --passphrase-fd 0");
private variable Passphrases = Assoc_Type[String_Type, ""];
private define check_is_encrypted (file)
{
variable ext = path_extname (file);
if ((ext == ".gpg") or (ext == ".gpg#"))
return 0;
return -1;
}
private define read_mini_hidden (prompt, default)
{
if (default != NULL)
{
prompt += sprintf (" [** buffer default **]", default);
}
prompt += ":";
flush (prompt);
variable s = "";
forever
{
variable ch = getkey ();
if (ch == '\r')
break;
s += char (ch);
}
if ((s == "") and (default != NULL))
s = default;
return s;
}
private define get_pass_phrase (path, use_blocal_phrase, set_blocal_phrase, confirm_phrase)
{
variable default_pass_phrase = NULL;
variable file = path_basename (path);
% if it's an autosave file, try to get the passphrase from the Passphrases assoc
if (file[-1] == '#')
{
variable f = path_concat(path_dirname(path), strtrim(file, "#"));
if (assoc_key_exists (Passphrases, f))
return Passphrases[f];
}
if (use_blocal_phrase or set_blocal_phrase
and (0 == blocal_var_exists ("_gpg_pass_phrase")))
create_blocal_var ("_gpg_pass_phrase");
if (use_blocal_phrase)
default_pass_phrase = get_blocal_var ("_gpg_pass_phrase");
forever
{
variable p = read_mini_hidden (sprintf ("Passphrase for %s", file),
default_pass_phrase);
if (p == "")
return NULL;
if ((default_pass_phrase == NULL) and confirm_phrase)
{
if (p != read_mini_hidden ("Confirm Passphrase", NULL))
{
flush ("Confirmation failed. Try again");
sleep (1);
continue;
}
}
if (set_blocal_phrase and (p != default_pass_phrase))
{
if (1 == get_y_or_n ("Save passphrase as buffer-default"))
set_blocal_var (p, "_gpg_pass_phrase");
}
if (file[-1] != '#')
Passphrases[path] = p;
return p;
}
}
private define _write_encrypted_region (file, append)
{
if (append)
return 0;
variable i = check_is_encrypted (file);
if (i == -1) return 0;
variable p = get_pass_phrase (file, 1, 1, 1);
if (p == "")
return 0;
variable txt = bufsubstr ();
variable cmd = sprintf ("%s > %s", GPG_Encrypt_Program, file);
variable fp = popen (cmd, "w");
if (fp == NULL)
verror ("%s failed", cmd);
if (orelse
{(-1 == fputs (p + "\n", fp))}
{(-1 == fputs (txt, fp))}
{(0 != pclose (fp))})
verror ("write to %s failed", cmd);
return 1;
}
private define write_encrypted_region (file)
{
return _write_encrypted_region (file, 0);
}
private define parse_gpg_errors (file)
{
variable st = stat_file (file);
if (st == NULL)
return;
if (0 == st.st_size)
return;
% For now, just insert the contents into a separate buffer.
variable cbuf = whatbuf ();
setbuf ("*gpg-errors*");
erase_buffer ();
() = insert_file (file);
% TODO: warnings such as these can probably be ignored.
% gpg: CAST5 encrypted data
% gpg: encrypted with 1 passphrase
% gpg: WARNING: message was not integrity protected
setbuf (cbuf);
}
private define _insert_encrypted_file (file, use_blocal_phrase, set_blocal_phrase, confirm_phrase)
{
variable i = check_is_encrypted (file);
if (i == -1)
return 0;
if (1 != file_status (file))
return 0;
variable stderr_filename = make_tmp_file ("gpgerr");
() = fopen (stderr_filename, "w");
() = chmod (stderr_filename, 0600);
variable cmd = sprintf ("%s %s 2>%s", GPG_Decrypt_Program, file, stderr_filename);
variable pid = open_filter_process (["/bin/sh", "-c", cmd], ".");
send_process (pid, get_pass_phrase (file, use_blocal_phrase, set_blocal_phrase, confirm_phrase));
send_process (pid, "\n");
() = close_filter_process (pid);
parse_gpg_errors (stderr_filename);
() = delete_file (stderr_filename);
return 1;
}
private define insert_encrypted_file (file)
{
return _insert_encrypted_file (file, 0, 0, 0);
}
private define read_encrypted_file (file)
{
if (_insert_encrypted_file (file, 0, 1, 0))
{
%create_blocal_var ("Auto_Compression_Mode");
return 1;
}
return 0;
}
add_to_hook ("_jed_insert_file_hooks", &insert_encrypted_file);
add_to_hook ("_jed_read_file_hooks", &read_encrypted_file);
append_to_hook ("_jed_write_region_hooks", &write_encrypted_region);
%append_to_hook ("_jed_append_region_hooks", &append_e);
private define encrypted_set_mode_hook (ext)
{
variable i, file;
(file,,,) = getbuf_info ();
i = check_is_encrypted (file);
if (i != -1)
{
file = file[[0:strlen(file)-strlen(ext)-2]];
mode_hook (file_type (file));
return 1;
}
return 0;
}
add_to_hook ("_jed_set_mode_hooks", &encrypted_set_mode_hook);
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