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/* $Cambridge: hermes/src/prayer/cmd/cmd_rawdisplay.c,v 1.3 2008/09/16 09:59:55 dpc22 Exp $ */
/************************************************
* Prayer - a Webmail Interface *
************************************************/
/* Copyright (c) University of Cambridge 2000 - 2008 */
/* See the file NOTICE for conditions of use and distribution. */
#include "prayer_session.h"
void cmd_rawdisplay(struct session *session)
{
struct options *options = session->options;
struct prefs *prefs = options->prefs;
struct request *request = session->request;
struct buffer *b = request->write_buffer;
MAILSTREAM *stream = session->stream;
unsigned long msgno, msguid;
char *section, *name, *type;
char *init_msg;
unsigned char *decode_msg;
unsigned long len;
BODY *body;
unsigned long i;
if (request->argc < 6) {
/* User playing silly buggers, or hit browser back button after
asynchronous rawdisplay event */
session_redirect(session, request, "display");
return;
}
msgno = atoi(request->argv[1]);
msguid = atoi(request->argv[2]);
if (!(msgno = stream_check_uid(session, stream, msgno, msguid))) {
session_redirect(session, request, "list");
return;
}
section = request->argv[3];
type = request->argv[4];
name = request->argv[5];
string_url_decode(type);
string_url_decode(name);
if (!prefs->preserve_mimetype)
type = "application/octet-stream";
if (!ml_fetch_structure(session, stream, msgno, &body, NIL)) {
session_redirect(session, request, "restart");
return;
}
/* Tranlate section "0" -> main body */
if (section && !strcmp(section, "0"))
section = "1";
if (!(body = ml_body(session, stream, msgno, section))) {
session_redirect(session, request, "restart");
return;
}
if ((body->type == TYPEMESSAGE) || (body->type == TYPEMULTIPART)) {
char *hdrs, *msg;
unsigned long hlen, len;
hdrs = ml_fetch_header(session, stream, msgno, section, NIL, &hlen, 0);
msg = ml_fetch_body(session, stream, msgno, section, &len, 0);
type = "application/octet-stream";
if (!(hdrs && msg)) {
session_redirect(session, request, "restart");
return;
}
for (i = 0; i < hlen; i++)
bputc(b, hdrs[i]);
for (i = 0; i < len; i++)
bputc(b, msg[i]);
response_raw(request, name, type, 200);
return;
}
if (!(init_msg = ml_fetchbody(session, stream, msgno, section, &len))) {
session_redirect(session, request, "restart");
return;
}
/* Strip off encoding */
switch (body->encoding) {
case ENCBASE64:
if (!(decode_msg = rfc822_base64((unsigned char *) init_msg,
body->size.bytes, &len))) {
/* Decode failed */
decode_msg = (unsigned char *) init_msg;
len = body->size.bytes;
}
break;
case ENCQUOTEDPRINTABLE:
if (!(decode_msg = rfc822_qprint((unsigned char *) init_msg,
body->size.bytes, &len))) {
/* Decode failed */
decode_msg = (unsigned char *) init_msg;
len = body->size.bytes;
}
break;
case ENC7BIT:
case ENC8BIT:
case ENCBINARY:
case ENCOTHER:
default:
decode_msg = (unsigned char *) init_msg;
len = body->size.bytes;
}
if (!decode_msg) {
session_redirect(session, request, "restart");
return;
}
for (i = 0; i < len; i++)
bputc(b, decode_msg[i]);
if (init_msg != (char *) decode_msg)
fs_give((void **) &decode_msg);
response_raw(request, name, type, 200);
}
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