/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2003 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <camel/camel-stream.h>
#include <camel/camel-stream-filter.h>
#include <camel/camel-mime-filter-tohtml.h>
#include <camel/camel-mime-filter-enriched.h>
#include <camel/camel-string-utils.h>
#include <camel/camel-mime-message.h>
#include <camel/camel-url.h>
#include <libedataserver/e-iconv.h>
#include <glib/gi18n.h>
#include "em-stripsig-filter.h"
#include "em-format-quote.h"
struct _EMFormatQuotePrivate {
int dummy;
};
static void emfq_format_clone(EMFormat *, CamelFolder *, const char *, CamelMimeMessage *, EMFormat *);
static void emfq_format_error(EMFormat *emf, CamelStream *stream, const char *txt);
static void emfq_format_message(EMFormat *, CamelStream *, CamelMimePart *, const EMFormatHandler *);
static void emfq_format_source(EMFormat *, CamelStream *, CamelMimePart *);
static void emfq_format_attachment(EMFormat *, CamelStream *, CamelMimePart *, const char *, const EMFormatHandler *);
static void emfq_builtin_init(EMFormatQuoteClass *efhc);
static EMFormatClass *emfq_parent;
static void
emfq_init(GObject *o)
{
EMFormatQuote *emfq =(EMFormatQuote *) o;
emfq->priv = g_malloc0(sizeof(*emfq->priv));
/* we want to convert url's etc */
emfq->text_html_flags = CAMEL_MIME_FILTER_TOHTML_PRE | CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS
| CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES;
}
static void
emfq_finalise(GObject *o)
{
EMFormatQuote *emfq =(EMFormatQuote *) o;
if (emfq->stream)
camel_object_unref(emfq->stream);
g_free(emfq->credits);
g_free(emfq->priv);
((GObjectClass *) emfq_parent)->finalize(o);
}
static void
emfq_base_init(EMFormatQuoteClass *emfqklass)
{
emfq_builtin_init(emfqklass);
}
static void
emfq_class_init(GObjectClass *klass)
{
((EMFormatClass *) klass)->format_clone = emfq_format_clone;
((EMFormatClass *) klass)->format_error = emfq_format_error;
((EMFormatClass *) klass)->format_source = emfq_format_source;
((EMFormatClass *) klass)->format_attachment = emfq_format_attachment;
klass->finalize = emfq_finalise;
}
GType
em_format_quote_get_type(void)
{
static GType type = 0;
if (type == 0) {
static const GTypeInfo info = {
sizeof(EMFormatQuoteClass),
(GBaseInitFunc)emfq_base_init, NULL,
(GClassInitFunc)emfq_class_init,
NULL, NULL,
sizeof(EMFormatQuote), 0,
(GInstanceInitFunc) emfq_init
};
emfq_parent = g_type_class_ref(em_format_get_type());
type = g_type_register_static(em_format_get_type(), "EMFormatQuote", &info, 0);
}
return type;
}
EMFormatQuote *
em_format_quote_new(const char *credits, CamelStream *stream, guint32 flags)
{
EMFormatQuote *emfq;
emfq = (EMFormatQuote *)g_object_new(em_format_quote_get_type(), NULL);
emfq->credits = g_strdup(credits);
emfq->stream = stream;
camel_object_ref(stream);
emfq->flags = flags;
return emfq;
}
static void
emfq_format_empty_line(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info)
{
camel_stream_printf(stream, "<br>\n");
}
static void
emfq_format_clone(EMFormat *emf, CamelFolder *folder, const char *uid, CamelMimeMessage *msg, EMFormat *src)
{
EMFormatQuote *emfq = (EMFormatQuote *) emf;
const EMFormatHandler *handle;
((EMFormatClass *)emfq_parent)->format_clone(emf, folder, uid, msg, src);
camel_stream_reset(emfq->stream);
emfq_format_empty_line(emf, emfq->stream, (CamelMimePart *)msg, NULL);
handle = em_format_find_handler(emf, "x-evolution/message/prefix");
if (handle)
handle->handler(emf, emfq->stream, (CamelMimePart *)msg, handle);
handle = em_format_find_handler(emf, "x-evolution/message/rfc822");
if (handle)
handle->handler(emf, emfq->stream, (CamelMimePart *)msg, handle);
camel_stream_flush(emfq->stream);
g_signal_emit_by_name(emf, "complete");
}
static void
emfq_format_error(EMFormat *emf, CamelStream *stream, const char *txt)
{
/* FIXME: should we even bother writing error text for quoting? probably not... */
}
static void
emfq_format_text_header (EMFormatQuote *emfq, CamelStream *stream, const char *label, const char *value, guint32 flags, int is_html)
{
const char *fmt, *html;
char *mhtml = NULL;
if (value == NULL)
return;
while (*value == ' ')
value++;
if (!is_html)
html = mhtml = camel_text_to_html (value, 0, 0);
else
html = value;
if (flags & EM_FORMAT_HEADER_BOLD)
fmt = "<b>%s</b>: %s<br>";
else
fmt = "%s: %s<br>";
camel_stream_printf (stream, fmt, label, html);
g_free (mhtml);
}
static char *addrspec_hdrs[] = {
"sender", "from", "reply-to", "to", "cc", "bcc",
"resent-sender", "resent-from", "resent-reply-to",
"resent-to", "resent-cc", "resent-bcc", NULL
};
#if 0
/* FIXME: include Sender and Resent-* headers too? */
/* For Translators only: The following strings are used in the header table in the preview pane */
static char *i18n_hdrs[] = {
N_("From"), N_("Reply-To"), N_("To"), N_("Cc"), N_("Bcc")
};
#endif
static void
emfq_format_address (GString *out, struct _camel_header_address *a)
{
guint32 flags = CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES;
char *name, *mailto, *addr;
while (a) {
if (a->name)
name = camel_text_to_html (a->name, flags, 0);
else
name = NULL;
switch (a->type) {
case CAMEL_HEADER_ADDRESS_NAME:
if (name && *name) {
char *real, *mailaddr;
g_string_append_printf (out, "%s <", name);
/* rfc2368 for mailto syntax and url encoding extras */
if ((real = camel_header_encode_phrase ((unsigned char *)a->name))) {
mailaddr = g_strdup_printf ("%s <%s>", real, a->v.addr);
g_free (real);
mailto = camel_url_encode (mailaddr, "?=&()");
g_free (mailaddr);
} else {
mailto = camel_url_encode (a->v.addr, "?=&()");
}
} else {
mailto = camel_url_encode (a->v.addr, "?=&()");
}
addr = camel_text_to_html (a->v.addr, flags, 0);
g_string_append_printf (out, "<a href=\"mailto:%s\">%s</a>", mailto, addr);
g_free (mailto);
g_free (addr);
if (name && *name)
g_string_append (out, ">");
break;
case CAMEL_HEADER_ADDRESS_GROUP:
g_string_append_printf (out, "%s: ", name);
emfq_format_address (out, a->v.members);
g_string_append_printf (out, ";");
break;
default:
g_warning ("Invalid address type");
break;
}
g_free (name);
a = a->next;
if (a)
g_string_append (out, ", ");
}
}
static void
emfq_format_header (EMFormat *emf, CamelStream *stream, CamelMedium *part, const char *namein, guint32 flags, const char *charset)
{
CamelMimeMessage *msg = (CamelMimeMessage *) part;
EMFormatQuote *emfq = (EMFormatQuote *) emf;
char *name, *value = NULL, *p;
const char *txt, *label;
int addrspec = 0, i;
int is_html = FALSE;
name = g_alloca (strlen (namein) + 1);
strcpy (name, namein);
camel_strdown (name);
for (i = 0; addrspec_hdrs[i]; i++) {
if (!strcmp (name, addrspec_hdrs[i])) {
addrspec = 1;
break;
}
}
if (addrspec) {
struct _camel_header_address *addrs;
GString *html;
if (!(txt = camel_medium_get_header (part, name)))
return;
if (!(addrs = camel_header_address_decode (txt, emf->charset ? emf->charset : emf->default_charset)))
return;
/* canonicalise the header name... first letter is
* capitalised and any letter following a '-' also gets
* capitalised */
p = name;
*p -= 0x20;
do {
p++;
if (p[-1] == '-' && *p >= 'a' && *p <= 'z')
*p -= 0x20;
} while (*p);
label = _(name);
html = g_string_new ("");
emfq_format_address (html, addrs);
camel_header_address_unref (addrs);
txt = value = html->str;
g_string_free (html, FALSE);
flags |= EM_FORMAT_HEADER_BOLD;
is_html = TRUE;
} else if (!strcmp (name, "subject")) {
txt = camel_mime_message_get_subject (msg);
label = _("Subject");
flags |= EM_FORMAT_HEADER_BOLD;
} else if (!strcmp (name, "x-evolution-mailer")) { /* pseudo-header */
if (!(txt = camel_medium_get_header (part, "x-mailer")))
if (!(txt = camel_medium_get_header (part, "user-agent")))
return;
txt = value = camel_header_format_ctext (txt, charset);
label = _("Mailer");
flags |= EM_FORMAT_HEADER_BOLD;
} else if (!strcmp (name, "date") || !strcmp (name, "resent-date")) {
if (!(txt = camel_medium_get_header (part, name)))
return;
if (!strcmp (name, "date"))
label = _("Date");
else
label = "Resent-Date";
flags |= EM_FORMAT_HEADER_BOLD;
} else {
txt = camel_medium_get_header (part, name);
value = camel_header_decode_string (txt, charset);
txt = value;
label = namein;
}
emfq_format_text_header (emfq, stream, label, txt, flags, is_html);
g_free (value);
}
static void
emfq_format_headers (EMFormatQuote *emfq, CamelStream *stream, CamelMedium *part)
{
EMFormat *emf = (EMFormat *) emfq;
CamelContentType *ct;
const char *charset;
EMFormatHeader *h;
if (!part)
return;
ct = camel_mime_part_get_content_type ((CamelMimePart *) part);
charset = camel_content_type_param (ct, "charset");
charset = e_iconv_charset_name (charset);
/* dump selected headers */
h = (EMFormatHeader *) emf->header_list.head;
while (h->next) {
emfq_format_header (emf, stream, part, h->name, h->flags, charset);
h = h->next;
}
camel_stream_printf(stream, "<br>\n");
}
static void
emfq_format_message_prefix(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info)
{
EMFormatQuote *emfq = (EMFormatQuote *) emf;
if (emfq->credits)
camel_stream_printf(stream, "%s<br>\n", emfq->credits);
}
static void
emfq_format_message(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info)
{
EMFormatQuote *emfq = (EMFormatQuote *) emf;
if (emfq->flags & EM_FORMAT_QUOTE_CITE)
camel_stream_printf(stream, "<!--+GtkHTML:<DATA class=\"ClueFlow\" key=\"orig\" value=\"1\">-->\n"
"<blockquote type=cite>\n"
"<font color=\"#%06x\">\n",
emfq->citation_colour & 0xffffff);
if (((CamelMimePart *)emf->message) != part) {
camel_stream_printf(stream, "%s</br>\n", _("-------- Forwarded Message --------"));
emfq_format_headers (emfq, stream, (CamelMedium *)part);
} else if (emfq->flags & EM_FORMAT_QUOTE_HEADERS)
emfq_format_headers (emfq, stream, (CamelMedium *)part);
em_format_part (emf, stream, part);
if (emfq->flags & EM_FORMAT_QUOTE_CITE)
camel_stream_write_string(stream, "</blockquote></font><!--+GtkHTML:<DATA class=\"ClueFlow\" clear=\"orig\">-->");
}
static void
emfq_format_source(EMFormat *emf, CamelStream *stream, CamelMimePart *part)
{
CamelStreamFilter *filtered_stream;
CamelMimeFilter *html_filter;
filtered_stream = camel_stream_filter_new_with_stream ((CamelStream *) stream);
html_filter = camel_mime_filter_tohtml_new (CAMEL_MIME_FILTER_TOHTML_CONVERT_NL
| CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES
| CAMEL_MIME_FILTER_TOHTML_ESCAPE_8BIT, 0);
camel_stream_filter_add(filtered_stream, html_filter);
camel_object_unref(html_filter);
em_format_format_text(emf, (CamelStream *)filtered_stream, (CamelDataWrapper *)part);
camel_object_unref(filtered_stream);
}
static void
emfq_format_attachment(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const char *mime_type, const EMFormatHandler *handle)
{
if (handle && em_format_is_inline(emf, emf->part_id->str, part, handle)) {
char *text, *html;
camel_stream_write_string(stream,
"<table border=1 cellspacing=0 cellpadding=0><tr><td><font size=-1>\n");
/* output some info about it */
text = em_format_describe_part(part, mime_type);
html = camel_text_to_html(text, ((EMFormatQuote *)emf)->text_html_flags & CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0);
camel_stream_write_string(stream, html);
g_free(html);
g_free(text);
camel_stream_write_string(stream, "</font></td></tr></table>");
handle->handler(emf, stream, part, handle);
}
}
#include <camel/camel-medium.h>
#include <camel/camel-mime-part.h>
#include <camel/camel-multipart.h>
#include <camel/camel-url.h>
static void
emfq_text_plain(EMFormatQuote *emfq, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info)
{
CamelStreamFilter *filtered_stream;
CamelMimeFilter *html_filter;
CamelMimeFilter *sig_strip;
CamelContentType *type;
const char *format;
guint32 rgb = 0x737373, flags;
if (!part)
return;
flags = emfq->text_html_flags;
/* Check for RFC 2646 flowed text. */
type = camel_mime_part_get_content_type(part);
if (camel_content_type_is(type, "text", "plain")
&& (format = camel_content_type_param(type, "format"))
&& !g_ascii_strcasecmp(format, "flowed"))
flags |= CAMEL_MIME_FILTER_TOHTML_FORMAT_FLOWED;
filtered_stream = camel_stream_filter_new_with_stream(stream);
if (emfq->flags != 0) {
sig_strip = em_stripsig_filter_new ();
camel_stream_filter_add (filtered_stream, sig_strip);
camel_object_unref (sig_strip);
}
html_filter = camel_mime_filter_tohtml_new(flags, rgb);
camel_stream_filter_add(filtered_stream, html_filter);
camel_object_unref(html_filter);
em_format_format_text((EMFormat *)emfq, (CamelStream *)filtered_stream, (CamelDataWrapper *)part);
camel_stream_flush((CamelStream *)filtered_stream);
camel_object_unref(filtered_stream);
}
static void
emfq_text_enriched(EMFormatQuote *emfq, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info)
{
CamelStreamFilter *filtered_stream;
CamelMimeFilter *enriched;
CamelDataWrapper *dw;
guint32 flags = 0;
dw = camel_medium_get_content_object((CamelMedium *)part);
if (!strcmp(info->mime_type, "text/richtext")) {
flags = CAMEL_MIME_FILTER_ENRICHED_IS_RICHTEXT;
camel_stream_write_string(stream, "\n<!-- text/richtext -->\n");
} else {
camel_stream_write_string(stream, "\n<!-- text/enriched -->\n");
}
enriched = camel_mime_filter_enriched_new(flags);
filtered_stream = camel_stream_filter_new_with_stream (stream);
camel_stream_filter_add(filtered_stream, enriched);
camel_object_unref(enriched);
camel_stream_write_string(stream, "<br><hr><br>");
em_format_format_text((EMFormat *)emfq, (CamelStream *)filtered_stream, (CamelDataWrapper *)part);
camel_object_unref(filtered_stream);
}
static void
emfq_text_html(EMFormat *emf, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info)
{
camel_stream_write_string(stream, "\n<!-- text/html -->\n");
em_format_format_text(emf, stream, (CamelDataWrapper *)part);
}
static void
emfq_ignore(EMFormat *emf, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info)
{
/* NOOP */
}
static EMFormatHandler type_builtin_table[] = {
{ "text/plain",(EMFormatFunc)emfq_text_plain },
{ "text/enriched",(EMFormatFunc)emfq_text_enriched },
{ "text/richtext",(EMFormatFunc)emfq_text_enriched },
{ "text/html",(EMFormatFunc)emfq_text_html },
/* { "multipart/related",(EMFormatFunc)emfq_multipart_related },*/
{ "message/external-body", (EMFormatFunc)emfq_ignore },
{ "multipart/appledouble", (EMFormatFunc)emfq_ignore },
/* internal evolution types */
{ "x-evolution/message/rfc822", (EMFormatFunc)emfq_format_message },
{ "x-evolution/message/prefix", (EMFormatFunc)emfq_format_message_prefix },
};
static void
emfq_builtin_init(EMFormatQuoteClass *efhc)
{
int i;
for (i=0;i<sizeof(type_builtin_table)/sizeof(type_builtin_table[0]);i++)
em_format_class_add_handler((EMFormatClass *)efhc, &type_builtin_table[i]);
}
