/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Authors: * Matt Loper * Dan Winship * * Copyright 2000, Helix Code, Inc. (http://www.helixcode.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., 59 Temple Street #330, Boston, MA 02111-1307, USA. * */ #include #include "mail-display.h" #include "mail.h" #include "e-util/e-html-utils.h" #include #include #include #include #include /* for isprint */ #include /* for strstr */ #include static void handle_text_plain (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_text_plain_flowed (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_text_enriched (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_text_html (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_image (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_multipart_mixed (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_multipart_related (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_multipart_alternative (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_multipart_appledouble (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_audio (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_message_rfc822 (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_message_external_body (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_unknown_type (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static void handle_via_bonobo (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); /* writes the header info for a mime message into an html stream */ static void write_headers (CamelMimeMessage *mime_message, GtkBox *box); /* dispatch html printing via mimetype */ static void call_handler_function (CamelMimePart *part, CamelMimeMessage *root, GtkBox *box); /** * mail_format_mime_message: * @mime_message: the input mime message * @box: GtkBox to stack elements into. * * Writes a CamelMimeMessage out, as a series of GtkHTML objects, * into the provided box. **/ void mail_format_mime_message (CamelMimeMessage *mime_message, GtkBox *box) { g_return_if_fail (CAMEL_IS_MIME_MESSAGE (mime_message)); g_return_if_fail (GTK_IS_BOX (box)); write_headers (mime_message, box); call_handler_function (CAMEL_MIME_PART (mime_message), mime_message, box); } static char * get_cid (CamelMimePart *part, CamelMimeMessage *root) { CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); char *cid; const char *filename; /* If we have a real Content-ID, use it. If we don't, * make a (syntactically invalid) fake one. */ if (camel_mime_part_get_content_id (part)) cid = g_strdup (camel_mime_part_get_content_id (part)); else cid = g_strdup_printf ("@@@%p", wrapper); gtk_object_set_data (GTK_OBJECT (root), cid, wrapper); /* Record the filename, in case the user wants to save this * data later. */ filename = camel_mime_part_get_filename (part); if (filename) { char *safe, *p; safe = strrchr (filename, '/'); if (safe) safe = g_strdup (safe + 1); else safe = g_strdup (filename); for (p = safe; *p; p++) { if (!isascii ((unsigned char)*p) || strchr (" /'\"`&();|<>${}!", *p)) *p = '_'; } gtk_object_set_data (GTK_OBJECT (wrapper), "filename", safe); } return cid; } /* We're maintaining a hashtable of mimetypes -> functions; * Those functions have the following signature... */ typedef void (*mime_handler_fn) (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box); static GHashTable *mime_function_table, *mime_fallback_table; static void setup_function_table (void) { mime_function_table = g_hash_table_new (g_str_hash, g_str_equal); mime_fallback_table = g_hash_table_new (g_str_hash, g_str_equal); g_hash_table_insert (mime_function_table, "text/plain", handle_text_plain); g_hash_table_insert (mime_function_table, "text/richtext", handle_text_enriched); g_hash_table_insert (mime_function_table, "text/enriched", handle_text_enriched); g_hash_table_insert (mime_function_table, "text/html", handle_text_html); g_hash_table_insert (mime_function_table, "image/*", handle_image); g_hash_table_insert (mime_function_table, "audio/*", handle_audio); g_hash_table_insert (mime_function_table, "message/rfc822", handle_message_rfc822); g_hash_table_insert (mime_function_table, "message/external-body", handle_message_external_body); g_hash_table_insert (mime_function_table, "multipart/alternative", handle_multipart_alternative); g_hash_table_insert (mime_function_table, "multipart/related", handle_multipart_related); g_hash_table_insert (mime_function_table, "multipart/mixed", handle_multipart_mixed); g_hash_table_insert (mime_function_table, "multipart/appledouble", handle_multipart_appledouble); /* RFC 2046 says unrecognized text subtypes can be treated * as text/plain (as long as you recognize the character set), * and unrecognized multipart subtypes as multipart/mixed. */ g_hash_table_insert (mime_fallback_table, "text/*", handle_text_plain); g_hash_table_insert (mime_function_table, "multipart/*", handle_multipart_mixed); } static mime_handler_fn lookup_handler (const char *mime_type, gboolean *generic) { mime_handler_fn handler_function; const char *whole_goad_id, *generic_goad_id; char *mime_type_main; if (mime_function_table == NULL) setup_function_table (); mime_type_main = g_strdup_printf ("%.*s/*", (int)strcspn (mime_type, "/"), mime_type); /* OK. There are 6 possibilities, which we try in this order: * 1) full match in the main table * 2) partial match in the main table * 3) full match in bonobo * 4) full match in the fallback table * 5) partial match in the fallback table * 6) partial match in bonobo * * Of these, 1-4 are considered exact matches, and 5 and 6 are * considered generic. */ /* Check for full match in mime_function_table. */ handler_function = g_hash_table_lookup (mime_function_table, mime_type); if (!handler_function) { handler_function = g_hash_table_lookup (mime_function_table, mime_type_main); if (handler_function) { /* Optimize this for the next time through. */ g_hash_table_insert (mime_function_table, g_strdup (mime_type), handler_function); } } if (handler_function) { g_free (mime_type_main); *generic = FALSE; return handler_function; } whole_goad_id = gnome_mime_get_value (mime_type, "bonobo-goad-id"); generic_goad_id = gnome_mime_get_value (mime_type_main, "bonobo-goad-id"); if (whole_goad_id && (!generic_goad_id || strcmp (whole_goad_id, generic_goad_id) != 0)) { /* Optimize this for the next time through. */ g_hash_table_insert (mime_function_table, g_strdup (mime_type), handle_via_bonobo); g_free (mime_type_main); *generic = FALSE; return handle_via_bonobo; } handler_function = g_hash_table_lookup (mime_fallback_table, mime_type); if (handler_function) *generic = FALSE; else { handler_function = g_hash_table_lookup (mime_fallback_table, mime_type_main); if (!handler_function && generic_goad_id) handler_function = handle_via_bonobo; *generic = TRUE; } g_free (mime_type_main); return handler_function; } static void call_handler_function (CamelMimePart *part, CamelMimeMessage *root, GtkBox *box) { CamelDataWrapper *wrapper; char *mime_type; mime_handler_fn handler_function = NULL; gboolean generic; wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); mime_type = camel_data_wrapper_get_mime_type (wrapper); g_strdown (mime_type); handler_function = lookup_handler (mime_type, &generic); if (handler_function) (*handler_function) (part, mime_type, root, box); else handle_unknown_type (part, mime_type, root, box); g_free (mime_type); } static void write_field_to_stream (const char *description, const char *value, gboolean bold, GtkHTML *html, GtkHTMLStream *stream) { char *encoded_value; if (value) { unsigned char *p; encoded_value = e_text_to_html (value, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS); for (p = (unsigned char *)encoded_value; *p; p++) { if (!isprint (*p)) *p = '?'; } } else encoded_value = ""; mail_html_write (html, stream, "<%s align=right>%s" "%s", bold ? "th" : "td", description, bold ? "th" : "td", encoded_value); if (value) g_free (encoded_value); } static void write_recipients_to_stream (const gchar *recipient_type, const CamelInternetAddress *recipients, gboolean optional, gboolean bold, GtkHTML *html, GtkHTMLStream *stream) { int i; char *recipients_string = NULL; const char *name, *addr; i = 0; while (camel_internet_address_get (recipients, i++, &name, &addr)) { char *old_string = recipients_string; recipients_string = g_strdup_printf ("%s%s%s%s%s <%s>", old_string ? old_string : "", old_string ? ", " : "", *name ? "\"" : "", name, *name ? "\"" : "", addr); g_free (old_string); } if (recipients_string || !optional) { write_field_to_stream (recipient_type, recipients_string, bold, html, stream); } g_free (recipients_string); } static void write_headers (CamelMimeMessage *mime_message, GtkBox *box) { const CamelInternetAddress *recipients; GtkHTML *html; GtkHTMLStream *stream; mail_html_new (&html, &stream, mime_message, FALSE); mail_html_write (html, stream, "%s%s", HTML_HEADER, "\n"); mail_html_write (html, stream, ""); /* A few fields will probably be available from the mime_message; * for each one that's available, write it to the output stream * with a helper function, 'write_field_to_stream'. */ write_field_to_stream ("From:", camel_mime_message_get_from (mime_message), TRUE, html, stream); if (camel_mime_message_get_reply_to (mime_message)) { write_field_to_stream ("Reply-To:", camel_mime_message_get_reply_to (mime_message), FALSE, html, stream); } write_recipients_to_stream ("To:", camel_mime_message_get_recipients (mime_message, CAMEL_RECIPIENT_TYPE_TO), FALSE, TRUE, html, stream); recipients = camel_mime_message_get_recipients (mime_message, CAMEL_RECIPIENT_TYPE_CC); write_recipients_to_stream ("Cc:", recipients, TRUE, TRUE, html, stream); write_field_to_stream ("Subject:", camel_mime_message_get_subject (mime_message), TRUE, html, stream); mail_html_write (html, stream, "
"); mail_html_end (html, stream, TRUE, box); } #define MIME_TYPE_WHOLE(a) (gmime_content_field_get_mime_type ( \ camel_mime_part_get_content_type (CAMEL_MIME_PART (a)))) #define MIME_TYPE_MAIN(a) ((camel_mime_part_get_content_type (CAMEL_MIME_PART (a)))->type) #define MIME_TYPE_SUB(a) ((camel_mime_part_get_content_type (CAMEL_MIME_PART (a)))->subtype) static char * get_data_wrapper_text (CamelDataWrapper *data) { CamelStream *memstream; GByteArray *ba; char *text; ba = g_byte_array_new (); memstream = camel_stream_mem_new_with_byte_array (ba); camel_data_wrapper_write_to_stream (data, memstream); text = g_malloc (ba->len + 1); memcpy (text, ba->data, ba->len); text[ba->len] = '\0'; gtk_object_unref (GTK_OBJECT (memstream)); return text; } /*----------------------------------------------------------------------* * Mime handling functions *----------------------------------------------------------------------*/ static void handle_text_plain (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { GtkHTML *html; GtkHTMLStream *stream; CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); char *text, *htmltext; GMimeContentField *type; const char *format; mail_html_new (&html, &stream, root, TRUE); mail_html_write (html, stream, "\n\n
\n");

	/* Check for RFC 2646 flowed text. */
	type = camel_mime_part_get_content_type (part);
	format = gmime_content_field_get_parameter (type, "format");
	if (format && !g_strcasecmp (format, "flowed")) {
		handle_text_plain_flowed (part, mime_type, root, box);
		return;
	}

	text = get_data_wrapper_text (wrapper);
	if (text && *text) {
		htmltext = e_text_to_html (text, E_TEXT_TO_HTML_CONVERT_URLS);
		mail_html_write (html, stream, "%s", htmltext);
		g_free (htmltext);
	} else
		mail_html_write (html, stream, "(empty)");
	g_free (text);

	mail_html_write (html, stream, "
\n"); mail_html_end (html, stream, TRUE, box); } static void handle_text_plain_flowed (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { GtkHTML *html; GtkHTMLStream *stream; CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); char *buf, *text, *line, *eol, *p; int prevquoting = 0, quoting, len; gboolean br_pending = FALSE; mail_html_new (&html, &stream, root, TRUE); mail_html_write (html, stream, "\n\n\n"); buf = get_data_wrapper_text (wrapper); for (line = buf; *line; line = eol + 1) { /* Process next line */ eol = strchr (line, '\n'); if (eol) *eol = '\0'; quoting = 0; for (p = line; *p == '>'; p++) quoting++; if (quoting != prevquoting) { mail_html_write (html, stream, "%s\n", prevquoting == 0 ? "\n" : ""); while (quoting > prevquoting) { mail_html_write (html, stream, "
"); prevquoting++; } while (quoting < prevquoting) { mail_html_write (html, stream, "
"); prevquoting--; } mail_html_write (html, stream, "%s\n", prevquoting == 0 ? "
\n" : ""); } else if (br_pending) { mail_html_write (html, stream, "
\n"); br_pending = FALSE; } if (*p == ' ') p++; /* replace '<' with '<', etc. */ text = e_text_to_html (p, E_TEXT_TO_HTML_CONVERT_SPACES | E_TEXT_TO_HTML_CONVERT_URLS); if (text && *text) mail_html_write (html, stream, "%s", text); g_free (text); len = strlen (p); if (len == 0 || p[len - 1] != ' ' || !strcmp (p, "-- ")) br_pending = TRUE; if (!eol) break; } g_free (buf); mail_html_write (html, stream, "
\n"); mail_html_end (html, stream, TRUE, box); } /* text/enriched (RFC 1896) or text/richtext (included in RFC 1341) */ static void handle_text_enriched (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { static GHashTable *translations = NULL; GtkHTML *html; GtkHTMLStream *stream; CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); CamelStream *memstream; GByteArray *ba; char *p; int len, nofill = 0; gboolean enriched; if (!translations) { translations = g_hash_table_new (g_strcase_hash, g_strcase_equal); g_hash_table_insert (translations, "bold", ""); g_hash_table_insert (translations, "/bold", ""); g_hash_table_insert (translations, "italic", ""); g_hash_table_insert (translations, "/italic", ""); g_hash_table_insert (translations, "fixed", ""); g_hash_table_insert (translations, "/fixed", ""); g_hash_table_insert (translations, "smaller", ""); g_hash_table_insert (translations, "/smaller", ""); g_hash_table_insert (translations, "bigger", ""); g_hash_table_insert (translations, "/bigger", ""); g_hash_table_insert (translations, "underline", ""); g_hash_table_insert (translations, "/underline", ""); g_hash_table_insert (translations, "center", "

"); g_hash_table_insert (translations, "/center", "

"); g_hash_table_insert (translations, "flushleft", "

"); g_hash_table_insert (translations, "/flushleft", "

"); g_hash_table_insert (translations, "flushright", "

"); g_hash_table_insert (translations, "/flushright", "

"); g_hash_table_insert (translations, "excerpt", "
"); g_hash_table_insert (translations, "/excerpt", "
"); g_hash_table_insert (translations, "paragraph", "

"); g_hash_table_insert (translations, "signature", "

"); g_hash_table_insert (translations, "/signature", "
"); g_hash_table_insert (translations, "comment", ""); g_hash_table_insert (translations, "param", ""); g_hash_table_insert (translations, "np", "
"); } mail_html_new (&html, &stream, root, TRUE); if (!g_strcasecmp (mime_type, "text/richtext")) { enriched = FALSE; mail_html_write (html, stream, "\n\n"); } else { enriched = TRUE; mail_html_write (html, stream, "\n\n"); } ba = g_byte_array_new (); memstream = camel_stream_mem_new_with_byte_array (ba); camel_data_wrapper_write_to_stream (wrapper, memstream); g_byte_array_append (ba, "", 1); p = ba->data; while (p) { len = strcspn (p, " <>&\n"); if (len) gtk_html_write (html, stream, p, len); p += len; if (!*p) break; switch (*p++) { case ' ': while (*p == ' ') { mail_html_write (html, stream, " "); p++; } mail_html_write (html, stream, " "); break; case '\n': mail_html_write (html, stream, " "); if (enriched && nofill <= 0) { while (*p == '\n') { mail_html_write (html, stream, "
"); p++; } } break; case '>': mail_html_write (html, stream, ">"); break; case '&': mail_html_write (html, stream, "&"); break; case '<': if (enriched) { if (*p == '<') { mail_html_write (html, stream, "<"); p++; break; } } else { if (strncmp (p, "lt>", 3) == 0) { mail_html_write (html, stream, "<"); p += 3; break; } else if (strncmp (p, "nl>", 3) == 0) { mail_html_write (html, stream, "
"); p += 3; break; } } if (strncmp (p, "nofill>", 7) == 0) { nofill++; mail_html_write (html, stream, "
");
			} else if (strncmp (p, "/nofill>", 8) == 0) {
				nofill--;
				mail_html_write (html, stream, "
"); } else { char *copy, *match; len = strcspn (p, ">"); copy = g_strndup (p, len); match = g_hash_table_lookup (translations, copy); g_free (copy); if (match) { mail_html_write (html, stream, "%s", match); } } p = strchr (p, '>'); if (p) p++; } } mail_html_end (html, stream, TRUE, box); } static void handle_text_html (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { GtkHTML *html; GtkHTMLStream *stream; CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); char *text; mail_html_new (&html, &stream, root, FALSE); mail_html_write (html, stream, "\n\n"); text = get_data_wrapper_text (wrapper); mail_html_write (html, stream, "%s", text); g_free (text); mail_html_end (html, stream, FALSE, box); } static void handle_image (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { GtkHTML *html; GtkHTMLStream *stream; char *cid; cid = get_cid (part, root); mail_html_new (&html, &stream, root, TRUE); mail_html_write (html, stream, "", cid); mail_html_end (html, stream, TRUE, box); g_free (cid); } static void handle_multipart_mixed (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); CamelMultipart *mp; int i, nparts; g_return_if_fail (CAMEL_IS_MULTIPART (wrapper)); mp = CAMEL_MULTIPART (wrapper); nparts = camel_multipart_get_number (mp); for (i = 0; i < nparts; i++) { part = camel_multipart_get_part (mp, i); call_handler_function (part, root, box); } } /* As seen in RFC 2387! */ static void handle_multipart_related (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); CamelMultipart *mp; CamelMimePart *body_part, *display_part = NULL; GMimeContentField *content_type; const char *start; int i, nparts; g_return_if_fail (CAMEL_IS_MULTIPART (wrapper)); mp = CAMEL_MULTIPART (wrapper); nparts = camel_multipart_get_number (mp); content_type = camel_mime_part_get_content_type (part); start = gmime_content_field_get_parameter (content_type, "start"); if (start) { int len; /* The "start" parameter includes <>s, which Content-Id * does not. */ len = strlen (start) - 2; for (i = 0; i < nparts; i++) { const char *cid; body_part = camel_multipart_get_part (mp, i); cid = camel_mime_part_get_content_id (body_part); if (!strncmp (cid, start + 1, len) && strlen (cid) == len) { display_part = body_part; break; } } if (!display_part) { /* Oops. Hrmph. */ handle_multipart_mixed (part, mime_type, root, box); } } else { /* No start parameter, so it defaults to the first part. */ display_part = camel_multipart_get_part (mp, 0); } /* Record the Content-IDs of any non-displayed parts. */ for (i = 0; i < nparts; i++) { char *cid; body_part = camel_multipart_get_part (mp, i); if (body_part == display_part) continue; cid = get_cid (body_part, root); g_free (cid); } /* Now, display the displayed part. */ call_handler_function (display_part, root, box); } /* RFC 2046 says "display the last part that you are able to display". */ static CamelMimePart * find_preferred_alternative (CamelMultipart *multipart) { int i, nparts; CamelMimePart *preferred_part = NULL; gboolean generic; nparts = camel_multipart_get_number (multipart); for (i = 0; i < nparts; i++) { CamelMimePart *part = camel_multipart_get_part (multipart, i); char *mime_type = gmime_content_field_get_mime_type ( camel_mime_part_get_content_type (part)); g_strdown (mime_type); if (lookup_handler (mime_type, &generic) && (!preferred_part || !generic)) preferred_part = part; g_free (mime_type); } return preferred_part; } static void handle_multipart_alternative (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); CamelMultipart *multipart; CamelMimePart *mime_part; g_return_if_fail (CAMEL_IS_MULTIPART (wrapper)); multipart = CAMEL_MULTIPART (wrapper); mime_part = find_preferred_alternative (multipart); if (mime_part) call_handler_function (mime_part, root, box); else handle_unknown_type (part, mime_type, root, box); } /* RFC 1740 */ static void handle_multipart_appledouble (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); CamelMultipart *multipart; g_return_if_fail (CAMEL_IS_MULTIPART (wrapper)); multipart = CAMEL_MULTIPART (wrapper); /* The first part is application/applefile and is not useful * to us. The second part _may_ be displayable data. Most * likely it's application/octet-stream though. */ part = camel_multipart_get_part (multipart, 1); call_handler_function (part, root, box); } static void handle_mystery (CamelMimePart *part, CamelMimeMessage *root, GtkBox *box, const char *url, const char *icon_name, const char *id, const char *action) { GtkHTML *html; GtkHTMLStream *stream; const char *info; char *htmlinfo; GMimeContentField *content_type; mail_html_new (&html, &stream, root, TRUE); mail_html_write (html, stream, "
"); /* Draw the icon, surrounded by an if we have a URL, * or a plain inactive border if not. */ if (url) mail_html_write (html, stream, "", url); else mail_html_write (html, stream, "
"); mail_html_write (html, stream, "", icon_name); if (url) mail_html_write (html, stream, ""); else mail_html_write (html, stream, "
"); mail_html_write (html, stream, "
%s
", id); /* Write a description, if we have one. */ info = camel_mime_part_get_description (part); if (info) { htmlinfo = e_text_to_html (info, E_TEXT_TO_HTML_CONVERT_URLS); mail_html_write (html, stream, "Description: %s
", htmlinfo); g_free (htmlinfo); } /* Write the name, if we have it. */ content_type = camel_mime_part_get_content_type (part); info = gmime_content_field_get_parameter (content_type, "name"); if (!info) info = camel_mime_part_get_filename (part); if (info) { htmlinfo = e_text_to_html (info, 0); mail_html_write (html, stream, "Name: %s
", htmlinfo); g_free (htmlinfo); } /* Describe the click action, if any. */ if (action) { mail_html_write (html, stream, "
Click on the icon to %s.", action); } mail_html_write (html, stream, "
"); mail_html_end (html, stream, TRUE, box); } static void handle_audio (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { char *id, *cid; const char *desc; desc = gnome_mime_get_value (mime_type, "description"); if (desc) id = g_strdup_printf ("%s data", desc); else { id = g_strdup_printf ("Audio data in \"%s\" format.", mime_type); } cid = g_strdup_printf ("cid:%s", get_cid (part, root)); handle_mystery (part, root, box, cid, "gnome-audio2.png", id, "play it"); g_free (cid); g_free (id); } static void handle_message_rfc822 (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); GtkWidget *subbox, *frame; g_return_if_fail (CAMEL_IS_MIME_MESSAGE (wrapper)); subbox = gtk_vbox_new (FALSE, 2); mail_format_mime_message (CAMEL_MIME_MESSAGE (wrapper), GTK_BOX (subbox)); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_container_set_border_width (GTK_CONTAINER (frame), 8); gtk_box_pack_start (box, frame, FALSE, FALSE, 0); gtk_container_add (GTK_CONTAINER (frame), subbox); gtk_widget_show_all (frame); } static void handle_message_external_body (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { GMimeContentField *type; const char *access_type; char *url = NULL, *desc = NULL; type = camel_mime_part_get_content_type (part); access_type = gmime_content_field_get_parameter (type, "access-type"); if (!access_type) goto fallback; if (!g_strcasecmp (access_type, "ftp") || !g_strcasecmp (access_type, "anon-ftp")) { const char *name, *site, *dir, *mode, *ftype; char *path; name = gmime_content_field_get_parameter (type, "name"); site = gmime_content_field_get_parameter (type, "site"); if (name == NULL || site == NULL) goto fallback; dir = gmime_content_field_get_parameter (type, "directory"); mode = gmime_content_field_get_parameter (type, "mode"); /* Generate the path. */ if (dir) { const char *p = dir + strlen (dir); path = g_strdup_printf ("%s%s%s%s", *dir == '/' ? "" : "/", dir, *p == '/' ? "" : "/", name); } else { path = g_strdup_printf ("%s%s", *name == '/' ? "" : "/", name); } if (mode && *mode == 'A') ftype = ";type=A"; else if (mode && *mode == 'I') ftype = ";type=I"; else ftype = ""; url = g_strdup_printf ("ftp://%s%s%s", site, path, ftype); g_free (path); desc = g_strdup_printf ("Pointer to FTP site (%s)", url); } else if (!g_strcasecmp (access_type, "local-file")) { const char *name, *site; name = gmime_content_field_get_parameter (type, "name"); if (name == NULL) goto fallback; site = gmime_content_field_get_parameter (type, "site"); url = g_strdup_printf ("file://%s%s", *name == '/' ? "" : "/", name); desc = g_strdup_printf ("Pointer to local file (%s)%s%s%s", name, site ? " valid at site \"" : "", site ? site : "", site ? "\"" : ""); } else if (!g_strcasecmp (access_type, "URL")) { const char *urlparam; char *s, *d; /* RFC 2017 */ urlparam = gmime_content_field_get_parameter (type, "url"); if (urlparam == NULL) goto fallback; /* For obscure MIMEy reasons, the URL may be split into * multiple words, and needs to be rejoined. (The URL * must have any real whitespace %-encoded, so we just * get rid of all of it. */ url = g_strdup (urlparam); s = d = url; while (*s) { if (!isspace ((unsigned char)*s)) *d++ = *s; s++; } *d = *s; desc = g_strdup_printf ("Pointer to remote data (%s)", url); } fallback: if (!desc) { if (access_type) { desc = g_strdup_printf ("Pointer to unknown external " "data (\"%s\" type)", access_type); } else desc = g_strdup ("Malformed external-body part."); } handle_mystery (part, root, box, url, "gnome-globe.png", desc, url ? "open it in a browser" : NULL); g_free (desc); g_free (url); } static void handle_undisplayable (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { const char *desc; char *id, *cid; desc = gnome_mime_get_value (mime_type, "description"); if (desc) id = g_strdup (desc); else id = g_strdup_printf ("Data of type \"%s\".", mime_type); cid = g_strdup_printf ("cid:%s", get_cid (part, root)); handle_mystery (part, root, box, cid, "gnome-question.png", id, "save it to disk"); g_free (cid); g_free (id); } static void handle_unknown_type (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { char *type; /* Don't give up quite yet. */ type = mail_identify_mime_part (part); if (type) { mime_handler_fn handler_function; gboolean generic; handler_function = lookup_handler (type, &generic); if (handler_function && handler_function != handle_unknown_type) { (*handler_function) (part, type, root, box); g_free (type); return; } } else type = g_strdup (mime_type); /* OK. Give up. */ handle_undisplayable (part, type, root, box); g_free (type); } static void embeddable_destroy_cb (GtkObject *obj, gpointer user_data) { BonoboWidget *be; /* bonobo embeddable */ BonoboViewFrame *vf; /* the embeddable view frame */ BonoboObjectClient* server; CORBA_Environment ev; be = BONOBO_WIDGET (obj); server = bonobo_widget_get_server (be); vf = bonobo_widget_get_view_frame (be); bonobo_control_frame_control_deactivate ( BONOBO_CONTROL_FRAME (vf)); /* w = bonobo_control_frame_get_widget (BONOBO_CONTROL_FRAME (vf)); */ /* gtk_widget_destroy (w); */ CORBA_exception_init (&ev); Bonobo_Unknown_unref ( bonobo_object_corba_objref (BONOBO_OBJECT(server)), &ev); CORBA_Object_release ( bonobo_object_corba_objref (BONOBO_OBJECT(server)), &ev); CORBA_exception_free (&ev); bonobo_object_unref (BONOBO_OBJECT (vf)); } static void handle_via_bonobo (CamelMimePart *part, const char *mime_type, CamelMimeMessage *root, GtkBox *box) { CamelDataWrapper *wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); const char *goad_id; GtkWidget *embedded; BonoboObjectClient *server; Bonobo_PersistStream persist; CORBA_Environment ev; GByteArray *ba; CamelStream *cstream; BonoboStream *bstream; goad_id = gnome_mime_get_value (mime_type, "bonobo-goad-id"); if (!goad_id) { char *main_type = g_strndup (mime_type, strcspn (mime_type, "/")); goad_id = gnome_mime_get_value (main_type, "bonobo-goad-id"); g_free (main_type); } if (!goad_id) { handle_undisplayable (part, mime_type, root, box); return; } embedded = bonobo_widget_new_subdoc (goad_id, NULL); if (!embedded) { handle_undisplayable (part, mime_type, root, box); return; } server = bonobo_widget_get_server (BONOBO_WIDGET (embedded)); persist = (Bonobo_PersistStream) bonobo_object_client_query_interface ( server, "IDL:Bonobo/PersistStream:1.0", NULL); if (persist == CORBA_OBJECT_NIL) { bonobo_object_unref (BONOBO_OBJECT (embedded)); handle_undisplayable (part, mime_type, root, box); return; } /* Write the data to a CamelStreamMem... */ ba = g_byte_array_new (); cstream = camel_stream_mem_new_with_byte_array (ba); camel_data_wrapper_write_to_stream (wrapper, cstream); /* ...convert the CamelStreamMem to a BonoboStreamMem... */ bstream = bonobo_stream_mem_create (ba->data, ba->len, TRUE, FALSE); gtk_object_unref (GTK_OBJECT (cstream)); /* ...and hydrate the PersistStream from the BonoboStream. */ CORBA_exception_init (&ev); Bonobo_PersistStream_load (persist, bonobo_object_corba_objref ( BONOBO_OBJECT (bstream)), mime_type, &ev); bonobo_object_unref (BONOBO_OBJECT (bstream)); Bonobo_Unknown_unref (persist, &ev); CORBA_Object_release (persist, &ev); if (ev._major != CORBA_NO_EXCEPTION) { bonobo_object_unref (BONOBO_OBJECT (embedded)); CORBA_exception_free (&ev); handle_undisplayable (part, mime_type, root, box); return; } CORBA_exception_free (&ev); /* Embed the widget. */ gtk_widget_show (embedded); gtk_box_pack_start (box, embedded, FALSE, FALSE, 0); gtk_signal_connect (GTK_OBJECT (embedded), "destroy", embeddable_destroy_cb, NULL); } static char * reply_body (CamelDataWrapper *data, gboolean *html) { CamelMultipart *mp; CamelMimePart *subpart; int i, nparts; char *subtext, *old; const char *boundary, *disp; char *text = NULL; GMimeContentField *mime_type; /* We only include text, message, and multipart bodies. */ mime_type = camel_data_wrapper_get_mime_type_field (data); /* FIXME: This is wrong. We don't want to include large * images. But if we don't do it this way, we don't get * the headers... */ if (g_strcasecmp (mime_type->type, "message") == 0) { *html = FALSE; return get_data_wrapper_text (data); } if (g_strcasecmp (mime_type->type, "text") == 0) { *html = !g_strcasecmp (mime_type->subtype, "html"); return get_data_wrapper_text (data); } /* If it's not message and it's not text, and it's not * multipart, we don't want to deal with it. */ if (g_strcasecmp (mime_type->type, "multipart") != 0) return NULL; mp = CAMEL_MULTIPART (data); if (g_strcasecmp (mime_type->subtype, "alternative") == 0) { /* Pick our favorite alternative and reply to it. */ subpart = find_preferred_alternative (mp); if (!subpart) return NULL; data = camel_medium_get_content_object ( CAMEL_MEDIUM (subpart)); return reply_body (data, html); } nparts = camel_multipart_get_number (mp); /* Otherwise, concatenate all the parts that we can. If we find * an HTML part in there though, return just that: We don't want * to deal with merging HTML and non-HTML parts. */ boundary = camel_multipart_get_boundary (mp); for (i = 0; i < nparts; i++) { subpart = camel_multipart_get_part (mp, i); disp = camel_mime_part_get_disposition (subpart); if (disp && g_strcasecmp (disp, "inline") != 0) continue; data = camel_medium_get_content_object ( CAMEL_MEDIUM (subpart)); subtext = reply_body (data, html); if (!subtext) continue; if (*html) { g_free (text); return subtext; } if (text) { old = text; text = g_strdup_printf ("%s\n--%s\n%s", text, boundary, subtext); g_free (subtext); g_free (old); } else text = subtext; } if (!text) return NULL; return text; } EMsgComposer * mail_generate_reply (CamelMimeMessage *message, gboolean to_all) { CamelDataWrapper *contents; char *text, *subject; EMsgComposer *composer; gboolean html; const char *repl_to, *message_id, *references; GList *to, *cc; contents = camel_medium_get_content_object (CAMEL_MEDIUM (message)); text = reply_body (contents, &html); composer = E_MSG_COMPOSER (e_msg_composer_new ()); /* Set the quoted reply text. */ if (text) { char *repl_text; if (html) { repl_text = g_strdup_printf ("
\n%s\n" "
\n", text); } else { char *s, *d, *quoted_text; int lines, len; /* Count the number of lines in the body. If * the text ends with a \n, this will be one * too high, but that's ok. Allocate enough * space for the text and the "> "s. */ for (s = text, lines = 0; s; s = strchr (s + 1, '\n')) lines++; quoted_text = g_malloc (strlen (text) + lines * 2); s = text; d = quoted_text; /* Copy text to quoted_text line by line, * prepending "> ". */ while (1) { len = strcspn (s, "\n"); if (len == 0 && !*s) break; sprintf (d, "> %.*s\n", len, s); s += len; if (!*s++) break; d += len + 3; } /* Now convert that to HTML. */ repl_text = e_text_to_html (quoted_text, E_TEXT_TO_HTML_PRE); g_free (quoted_text); } e_msg_composer_set_body_text (composer, repl_text); g_free (repl_text); g_free (text); } /* Set the recipients */ repl_to = camel_mime_message_get_reply_to (message); if (!repl_to) repl_to = camel_mime_message_get_from (message); to = g_list_append (NULL, (gpointer)repl_to); if (to_all) { const CamelInternetAddress *recip; const char *name, *addr; char *fulladdr; int i; recip = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_TO); i = 0; cc = NULL; while (camel_internet_address_get (recip, i++, &name, &addr)) { fulladdr = g_strdup_printf ("%s <%s>", name, addr); cc = g_list_append (cc, fulladdr); } recip = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_CC); i = 0; while (camel_internet_address_get (recip, i++, &name, &addr)) { fulladdr = g_strdup_printf ("%s <%s>", name, addr); cc = g_list_append (cc, fulladdr); } } else cc = NULL; /* Set the subject of the new message. */ subject = (char *)camel_mime_message_get_subject (message); if (!subject) subject = g_strdup (""); else if (!strncasecmp (subject, "Re: ", 4)) subject = g_strdup (subject); else subject = g_strdup_printf ("Re: %s", subject); e_msg_composer_set_headers (composer, to, cc, NULL, subject); g_list_free (to); g_list_free (cc); g_free (subject); /* Add In-Reply-To and References. */ message_id = camel_medium_get_header (CAMEL_MEDIUM (message), "Message-Id"); references = camel_medium_get_header (CAMEL_MEDIUM (message), "References"); if (message_id) { e_msg_composer_add_header (composer, "In-Reply-To", message_id); if (references) { char *reply_refs; reply_refs = g_strdup_printf ("%s %s", references, message_id); e_msg_composer_add_header (composer, "References", reply_refs); g_free (reply_refs); } } else if (references) e_msg_composer_add_header (composer, "References", references); return composer; } /* This is part of the temporary kludge below. */ #ifndef HAVE_MKSTEMP #include #include #endif EMsgComposer * mail_generate_forward (CamelMimeMessage *mime_message, gboolean forward_as_attachment, gboolean keep_attachments) { EMsgComposer *composer; char *tmpfile; int fd; CamelStream *stream; if (!forward_as_attachment) g_warning ("Forward as non-attachment not implemented."); if (!keep_attachments) g_warning ("Forwarding without attachments not implemented."); /* For now, we kludge by writing out a temp file. Later, * EMsgComposer will support attaching CamelMimeParts directly, * or something. FIXME. */ tmpfile = g_strdup ("/tmp/evolution-kludge-XXXX"); #ifdef HAVE_MKSTEMP fd = mkstemp (tmpfile); #else if (mktemp (tmpfile)) { fd = open (tmpfile, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR); } else fd = -1; #endif if (fd == -1) { g_warning ("Couldn't create temp file for forwarding"); g_free (tmpfile); return NULL; } stream = camel_stream_fs_new_with_fd (fd); camel_data_wrapper_write_to_stream (CAMEL_DATA_WRAPPER (mime_message), stream); camel_stream_flush (stream); gtk_object_unref (GTK_OBJECT (stream)); composer = E_MSG_COMPOSER (e_msg_composer_new ()); e_msg_composer_attachment_bar_attach (E_MSG_COMPOSER_ATTACHMENT_BAR (composer->attachment_bar), tmpfile); g_free (tmpfile); /* FIXME: should we default a subject? */ return composer; }