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author | nobody <nobody@localhost> | 2001-09-17 12:32:38 +0800 |
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committer | nobody <nobody@localhost> | 2001-09-17 12:32:38 +0800 |
commit | 6a5caaed83c093f7e3ce67284cd14831db5b1b66 (patch) | |
tree | 6f31e70927858f2bafcfc481e337a665090bdb8e /mail/mail-format.c | |
parent | 169d9ae19a0eb165edc757eca753a757a02f60f7 (diff) | |
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This commit was manufactured by cvs2svn to create tagMERGE_TO_HEAD_1
'MERGE_TO_HEAD_1'.
svn path=/tags/MERGE_TO_HEAD_1/; revision=12887
Diffstat (limited to 'mail/mail-format.c')
-rw-r--r-- | mail/mail-format.c | 2352 |
1 files changed, 0 insertions, 2352 deletions
diff --git a/mail/mail-format.c b/mail/mail-format.c deleted file mode 100644 index 1b55640faa..0000000000 --- a/mail/mail-format.c +++ /dev/null @@ -1,2352 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ - -/* - * Authors: - * Dan Winship <danw@ximian.com> - * - * Copyright 2000, 2001 Ximian, Inc. - * - * 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. - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <ctype.h> /* for isprint */ -#include <string.h> /* for strstr */ -#include <fcntl.h> - -#include <liboaf/liboaf.h> -#include <libgnome/libgnome.h> -#include <libgnomevfs/gnome-vfs-mime-info.h> -#include <libgnomevfs/gnome-vfs-mime-handlers.h> -#include <gal/widgets/e-unicode.h> - -#include <camel/camel-mime-utils.h> -#include <camel/camel-pgp-mime.h> -#include <camel/camel-stream-null.h> -#include <shell/e-setup.h> -#include <e-util/e-html-utils.h> - -#include "mail.h" -#include "mail-tools.h" -#include "mail-display.h" -#include "mail-mt.h" -#include "mail-crypto.h" - -static char *get_data_wrapper_text (CamelDataWrapper *data); - -static char *try_inline_pgp (char *start, CamelMimePart *part, MailDisplay *md); -static char *try_inline_pgp_sig (char *start, CamelMimePart *part, MailDisplay *md); -static char *try_uudecoding (char *start, CamelMimePart *part, MailDisplay *md); -static char *try_inline_binhex (char *start, CamelMimePart *part, MailDisplay *md); - -static void decode_pgp (CamelStream *ciphertext, CamelStream *plaintext, MailDisplay *md); - -static gboolean handle_text_plain (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_text_plain_flowed (char *text, - MailDisplay *md); -static gboolean handle_text_enriched (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_text_html (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_image (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_multipart_mixed (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_multipart_related (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_multipart_alternative (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_multipart_appledouble (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_multipart_encrypted (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_multipart_signed (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_message_rfc822 (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -static gboolean handle_message_external_body (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); - -#ifdef APPLICATION_PGP_IS_NO_LONGER_SUPPORTED -static gboolean handle_application_pgp (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); -#endif /* APPLICATION_PGP_IS_NO_LONGER_SUPPORTED */ - -static gboolean handle_via_bonobo (CamelMimePart *part, - const char *mime_type, - MailDisplay *md); - -/* writes the header info for a mime message into an html stream */ -static void write_headers (CamelMimeMessage *message, MailDisplay *md); - -/* dispatch html printing via mimetype */ -static gboolean format_mime_part (CamelMimePart *part, MailDisplay *md); - -static void -free_url (gpointer key, gpointer value, gpointer data) -{ - g_free (key); - if (data) - g_byte_array_free (value, TRUE); -} - -static void -free_part_urls (gpointer urls) -{ - g_hash_table_foreach (urls, free_url, NULL); - g_hash_table_destroy (urls); -} - -static void -free_data_urls (gpointer urls) -{ - g_hash_table_foreach (urls, free_url, GINT_TO_POINTER (1)); - g_hash_table_destroy (urls); -} - -static char * -add_url (const char *kind, char *url, gpointer data, MailDisplay *md) -{ - GHashTable *urls; - gpointer old_key, old_value; - - urls = g_datalist_get_data (md->data, kind); - g_return_val_if_fail (urls != NULL, NULL); - if (g_hash_table_lookup_extended (urls, url, &old_key, &old_value)) { - g_free (url); - url = old_key; - } - g_hash_table_insert (urls, url, data); - return url; -} - -/** - * mail_format_mime_message: - * @mime_message: the input mime message - * @md: the MailDisplay to render into - * - * Writes a CamelMimeMessage out into a MailDisplay - **/ -void -mail_format_mime_message (CamelMimeMessage *mime_message, MailDisplay *md) -{ - GHashTable *urls; - - g_return_if_fail (CAMEL_IS_MIME_MESSAGE (mime_message)); - - urls = g_datalist_get_data (md->data, "part_urls"); - if (!urls) { - urls = g_hash_table_new (g_str_hash, g_str_equal); - g_datalist_set_data_full (md->data, "part_urls", urls, - free_part_urls); - } - urls = g_datalist_get_data (md->data, "data_urls"); - if (!urls) { - urls = g_hash_table_new (g_str_hash, g_str_equal); - g_datalist_set_data_full (md->data, "data_urls", urls, - free_data_urls); - } - - /* ok, so they're not urls. so sue me. */ - urls = g_datalist_get_data (md->data, "attachment_states"); - if (!urls) { - urls = g_hash_table_new (g_direct_hash, g_direct_equal); - g_datalist_set_data_full (md->data, "attachment_states", urls, - (GDestroyNotify) g_hash_table_destroy); - } - - write_headers (mime_message, md); - format_mime_part (CAMEL_MIME_PART (mime_message), md); -} - - -/** - * mail_format_raw_message: - * @mime_message: the input mime message - * @md: the MailDisplay to render into - * - * Writes a CamelMimeMessage source out into a MailDisplay - **/ -void -mail_format_raw_message (CamelMimeMessage *mime_message, MailDisplay *md) -{ - char *text, *html; - - g_return_if_fail (CAMEL_IS_MIME_MESSAGE (mime_message)); - - mail_html_write (md->html, md->stream, "<table cellspacing=0 cellpadding=10 width=\"100%%\"><tr><td><tt>\n"); - - text = get_data_wrapper_text (CAMEL_DATA_WRAPPER (mime_message)); - html = e_text_to_html (text, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_SPACES | E_TEXT_TO_HTML_ESCAPE_8BIT); - g_free (text); - gtk_html_write (md->html, md->stream, html, strlen (html)); - g_free (html); - - mail_html_write (md->html, md->stream, "</tt></td></tr></table>"); -} - -static const char * -get_cid (CamelMimePart *part, MailDisplay *md) -{ - char *cid; - static int fake_cid_counter = 0; - - /* If we have a real Content-ID, use it. If we don't, - * make a (syntactically invalid, unique) fake one. - */ - if (camel_mime_part_get_content_id (part)) { - cid = g_strdup_printf ("cid:%s", - camel_mime_part_get_content_id (part)); - } else - cid = g_strdup_printf ("cid:@@@%d", fake_cid_counter++); - - return add_url ("part_urls", cid, part, md); -} - -static const char * -get_location (CamelMimePart *part, MailDisplay *md) -{ - const char *loc; - - /* FIXME: relative URLs */ - loc = camel_mime_part_get_content_location (part); - if (!loc) - return NULL; - - return add_url ("part_urls", g_strdup (loc), part, md); -} - -static const char * -get_url_for_icon (const char *icon_name, MailDisplay *md) -{ - char *icon_path, buf[1024], *url; - int fd, nread; - GByteArray *ba; - - /* FIXME: cache */ - - if (*icon_name == '/') - icon_path = g_strdup (icon_name); - else { - icon_path = gnome_pixmap_file (icon_name); - if (!icon_path) - return "file:///dev/null"; - } - - fd = open (icon_path, O_RDONLY); - g_free (icon_path); - if (fd == -1) - return "file:///dev/null"; - - ba = g_byte_array_new (); - while (1) { - nread = read (fd, buf, sizeof (buf)); - if (nread < 1) - break; - g_byte_array_append (ba, buf, nread); - } - close (fd); - - url = g_strdup_printf ("x-evolution-data:%p", ba); - return add_url ("data_urls", url, ba, md); -} - - -static GHashTable *mime_handler_table, *mime_function_table; - -static void -setup_mime_tables (void) -{ - mime_handler_table = g_hash_table_new (g_str_hash, g_str_equal); - mime_function_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/gif", - handle_image); - g_hash_table_insert (mime_function_table, "image/jpeg", - handle_image); - g_hash_table_insert (mime_function_table, "image/png", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-png", - handle_image); - g_hash_table_insert (mime_function_table, "image/tiff", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-bmp", - handle_image); - g_hash_table_insert (mime_function_table, "image/bmp", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-cmu-raster", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-ico", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-portable-anymap", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-portable-bitmap", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-portable-graymap", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-portable-pixmap", - handle_image); - g_hash_table_insert (mime_function_table, "image/x-xpixmap", - handle_image); - - g_hash_table_insert (mime_function_table, "message/rfc822", - handle_message_rfc822); - g_hash_table_insert (mime_function_table, "message/news", - 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); - g_hash_table_insert (mime_function_table, "multipart/encrypted", - handle_multipart_encrypted); - g_hash_table_insert (mime_function_table, "multipart/signed", - handle_multipart_signed); - -#ifdef APPLICATION_PGP_IS_NO_LONGER_SUPPORTED - /* Some broken mailers, such as The Bat! send pgp - * signed/encrypted messages with a content-type of - * application/pgp which basically means it's a text/plain but - * either signed or encrypted. */ - g_hash_table_insert (mime_function_table, "application/pgp", - handle_application_pgp); -#endif /* APPLICATION_PGP_IS_NO_LONGER_SUPPORTED */ - - /* 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_function_table, "text/*", - handle_text_plain); - g_hash_table_insert (mime_function_table, "multipart/*", - handle_multipart_mixed); -} - -static gboolean -component_supports (OAF_ServerInfo *component, const char *mime_type) -{ - OAF_Property *prop; - CORBA_sequence_CORBA_string stringv; - int i; - - prop = oaf_server_info_prop_find (component, - "bonobo:supported_mime_types"); - if (!prop || prop->v._d != OAF_P_STRINGV) - return FALSE; - - stringv = prop->v._u.value_stringv; - for (i = 0; i < stringv._length; i++) { - if (!g_strcasecmp (mime_type, stringv._buffer[i])) - return TRUE; - } - return FALSE; -} - -/** - * mail_lookup_handler: - * @mime_type: a MIME type - * - * Looks up the MIME type in its own tables and GNOME-VFS's and returns - * a MailMimeHandler structure detailing the component, application, - * and built-in handlers (if any) for that MIME type. (If the component - * is non-%NULL, the built-in handler will always be handle_via_bonobo().) - * The MailMimeHandler's @generic field is set if the match was for the - * MIME supertype rather than the exact type. - * - * Return value: a MailMimeHandler (which should not be freed), or %NULL - * if no handlers are available. - **/ -MailMimeHandler * -mail_lookup_handler (const char *mime_type) -{ - MailMimeHandler *handler; - char *mime_type_main; - - if (mime_handler_table == NULL) - setup_mime_tables (); - - /* See if we've already found it. */ - handler = g_hash_table_lookup (mime_handler_table, mime_type); - if (handler) - return handler; - - /* No. Create a new one and look up application and full type - * handler. If we find a builtin, create the handler and - * register it. - */ - handler = g_new0 (MailMimeHandler, 1); - handler->applications = - gnome_vfs_mime_get_short_list_applications (mime_type); - handler->builtin = - g_hash_table_lookup (mime_function_table, mime_type); - - if (handler->builtin) { - handler->generic = FALSE; - goto reg; - } - - /* Try for a exact component match. */ - handler->component = gnome_vfs_mime_get_default_component (mime_type); - if (handler->component && - component_supports (handler->component, mime_type)) { - handler->generic = FALSE; - handler->builtin = handle_via_bonobo; - goto reg; - } - - /* Try for a generic builtin match. */ - mime_type_main = g_strdup_printf ("%.*s/*", - (int)strcspn (mime_type, "/"), - mime_type); - handler->builtin = g_hash_table_lookup (mime_function_table, - mime_type_main); - g_free (mime_type_main); - - if (handler->builtin) { - handler->generic = TRUE; - if (handler->component) { - CORBA_free (handler->component); - handler->component = NULL; - } - goto reg; - } - - /* Try for a generic component match. */ - if (handler->component) { - handler->generic = TRUE; - handler->builtin = handle_via_bonobo; - goto reg; - } - - /* If we at least got an application, use that. */ - if (handler->applications) { - handler->generic = TRUE; - goto reg; - } - - /* Nada. */ - g_free (handler); - return NULL; - - reg: - g_hash_table_insert (mime_handler_table, g_strdup (mime_type), - handler); - return handler; -} - -/* An "anonymous" MIME part is one that we shouldn't call attention - * to the existence of, but simply display. - */ -static gboolean -is_anonymous (CamelMimePart *part, const char *mime_type) -{ - if (!g_strncasecmp (mime_type, "multipart/", 10) || - !g_strncasecmp (mime_type, "message/", 8)) - return TRUE; - - if (!g_strncasecmp (mime_type, "text/", 5) && - !camel_mime_part_get_filename (part)) - return TRUE; - - return FALSE; -} - -/** - * mail_part_is_inline: - * @part: a CamelMimePart - * - * Return value: whether or not the part should/will be displayed inline. - **/ -gboolean -mail_part_is_inline (CamelMimePart *part) -{ - const char *disposition; - CamelContentType *content_type; - char *type; - gboolean anon; - - /* If it has an explicit disposition, return that. */ - disposition = camel_mime_part_get_disposition (part); - if (disposition) - return g_strcasecmp (disposition, "inline") == 0; - - /* Certain types should default to inline. FIXME: this should - * be customizable. - */ - content_type = camel_mime_part_get_content_type (part); - if (!header_content_type_is (content_type, "message", "*")) - return TRUE; - -#ifdef APPLICATION_PGP_IS_NO_LONGER_SUPPORTED - /* The Bat! and possibly a few other broken mailers send application/pgp - * parts instead of following rfc2015 because they SUCK!!! Since this part - * is really a text/plain part, we should show it inline. - */ - if (!header_content_type_is (content_type, "application", "pgp")) - return TRUE; -#endif /* APPLICATION_PGP_IS_NO_LONGER_SUPPORTED */ - - /* Otherwise, display it inline if it's "anonymous", and - * as an attachment otherwise. - */ - type = header_content_type_simple (content_type); - anon = is_anonymous (part, type); - g_free (type); - - return anon; -} - -enum inline_states { - I_VALID = (1 << 0), - I_ACTUALLY = (1 << 1), - I_DISPLAYED = (1 << 2) -}; - -static gint -get_inline_flags (CamelMimePart *part, MailDisplay *md) -{ - GHashTable *asht; - gint val; - - /* check if we already know. */ - - asht = g_datalist_get_data (md->data, "attachment_states"); - val = GPOINTER_TO_INT (g_hash_table_lookup (asht, part)); - if (val) - return val; - - /* ok, we don't know. Figure it out. */ - - if (mail_part_is_inline (part)) - val = (I_VALID | I_ACTUALLY | I_DISPLAYED); - else - val = (I_VALID); - - g_hash_table_insert (asht, part, GINT_TO_POINTER (val)); - - return val; -} - -gboolean -mail_part_is_displayed_inline (CamelMimePart *part, MailDisplay *md) -{ - return (gboolean) (get_inline_flags (part, md) & I_DISPLAYED); -} - -void -mail_part_toggle_displayed (CamelMimePart *part, MailDisplay *md) -{ - GHashTable *asht = g_datalist_get_data (md->data, "attachment_states"); - gpointer ostate, opart; - gint state; - - if (g_hash_table_lookup_extended (asht, part, &opart, &ostate)) { - g_hash_table_remove (asht, part); - - state = GPOINTER_TO_INT (ostate); - - if (state & I_DISPLAYED) - state &= ~I_DISPLAYED; - else - state |= I_DISPLAYED; - } else { - state = I_VALID | I_DISPLAYED; - } - - g_hash_table_insert (asht, part, GINT_TO_POINTER (state)); -} - - -static void -attachment_header (CamelMimePart *part, const char *mime_type, MailDisplay *md) -{ - const char *info; - char *htmlinfo; - char *fmt; - - /* Start the table, create the pop-up object. */ - mail_html_write (md->html, md->stream, - "<table cellspacing=0 cellpadding=0>" - "<tr><td><table width=10 cellspacing=0 cellpadding=0><tr><td></td></tr></table></td>" - "<td><object classid=\"popup:%s\" type=\"%s\"></object></td>" - "<td><table width=3 cellspacing=0 cellpadding=0><tr><td></td></tr></table></td>" - "<td><font size=-1>", - get_cid (part, md), mime_type); - - /* Write the MIME type */ - info = gnome_vfs_mime_get_value (mime_type, "description"); - htmlinfo = e_text_to_html (info ? info : mime_type, 0); - fmt = e_utf8_from_locale_string (_("%s attachment")); - mail_html_write (md->html, md->stream, fmt, htmlinfo); - g_free (fmt); - g_free (htmlinfo); - - /* Write the name, if we have it. */ - info = camel_mime_part_get_filename (part); - if (info) { - htmlinfo = e_text_to_html (info, 0); - mail_html_write (md->html, md->stream, " (%s)", htmlinfo); - g_free (htmlinfo); - } - - /* 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 (md->html, md->stream, ", \"%s\"", htmlinfo); - g_free (htmlinfo); - } - -#if 0 - /* Describe the click action, if any. */ - if (action) { - mail_html_write (md->html, md->stream, - "<br>Click on the icon to %s.", action); - } -#endif - - mail_html_write (md->html, md->stream, - "</font></td></tr><tr><td height=10><table height=10 cellspacing=0 cellpadding=0>" - "<tr><td></td></tr></table></td></tr></table>\n"); -} - -static gboolean -format_mime_part (CamelMimePart *part, MailDisplay *md) -{ - CamelDataWrapper *wrapper; - char *mime_type; - MailMimeHandler *handler; - gboolean output; - int inline_flags; - - /* Record URLs associated with this part */ - get_cid (part, md); - get_location (part, md); - - wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); - - if (CAMEL_IS_MULTIPART (wrapper) && - camel_multipart_get_number (CAMEL_MULTIPART (wrapper)) == 0) { - char *mesg; - - mesg = e_utf8_from_locale_string (_("Could not parse MIME message. Displaying as source.")); - mail_error_write (md->html, md->stream, "%s", mesg); - g_free (mesg); - if (mail_content_loaded (wrapper, md, TRUE, NULL, NULL)) - handle_text_plain (part, "text/plain", md); - return TRUE; - } - - mime_type = camel_data_wrapper_get_mime_type (wrapper); - g_strdown (mime_type); - - handler = mail_lookup_handler (mime_type); - if (!handler) { - char *id_type; - - /* Special case MIME types that we know that we can't - * display but are some kind of plain text to prevent - * evil infinite recursion. - */ - - if (!strcmp (mime_type, "application/mac-binhex40")) { - handler = NULL; - } else { - id_type = mail_identify_mime_part (part, md); - if (id_type) { - g_free (mime_type); - mime_type = id_type; - handler = mail_lookup_handler (id_type); - } - } - } - - inline_flags = get_inline_flags (part, md); - - /* No header for anonymous inline parts. */ - if (!((inline_flags & I_ACTUALLY) && is_anonymous (part, mime_type))) - attachment_header (part, mime_type, md); - - if (handler && handler->builtin && inline_flags & I_DISPLAYED && - mail_content_loaded (wrapper, md, TRUE, NULL, NULL)) - output = (*handler->builtin) (part, mime_type, md); - else - output = TRUE; - - g_free (mime_type); - return output; -} - -/* flags for write_field_to_stream */ -enum { - WRITE_BOLD=1, - WRITE_NOCOLUMNS=2, -}; - -static void -write_field_row_begin (const char *name, gint flags, GtkHTML *html, GtkHTMLStream *stream) -{ - char *encoded_name; - gboolean bold = (flags & WRITE_BOLD); - gboolean nocolumns = (flags & WRITE_NOCOLUMNS); - - encoded_name = e_utf8_from_gtk_string (GTK_WIDGET (html), name); - - if (nocolumns) { - mail_html_write (html, stream, "<tr><td>%s%s:%s ", - bold ? "<b>" : "", encoded_name, - bold ? "</b>" : ""); - } else { - mail_html_write (html, stream, - "<tr><%s align=\"right\" valign=\"top\">%s:" - "<b> </%s><td>", - bold ? "th" : "td", encoded_name, bold ? "th" : "td"); - } - - g_free (encoded_name); -} - -static void -write_date (CamelMimeMessage *message, int flags, GtkHTML *html, GtkHTMLStream *stream) -{ - char *datestr; - time_t date; - int offset; - - write_field_row_begin (_("Date"), flags, html, stream); - - date = camel_mime_message_get_date (message, &offset); - datestr = header_format_date (date, offset); - - mail_html_write (html, stream, "%s</td> </tr>", datestr); - - g_free (datestr); -} - -static void -write_text_header (const char *name, const char *value, int flags, GtkHTML *html, GtkHTMLStream *stream) -{ - char *encoded; - - if (value && *value) - encoded = e_text_to_html (value, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS); - else - encoded = ""; - - write_field_row_begin (name, flags, html, stream); - - mail_html_write (html, stream, "%s</td> </tr>", encoded); - - if (value && *value) - g_free (encoded); -} - -static gchar * -elide_quotes (const gchar *str) -{ - gchar *cpy = g_strdup (str); - gchar *c = cpy; - - if (c) { - while (*c) { - if (*c == '"') - *c = '\''; - ++c; - } - } - return cpy; -} - -static void -write_address (MailDisplay *md, const CamelInternetAddress *addr, const char *field_name, int flags) -{ - const char *name, *email; - gint i; - - if (addr == NULL || !camel_internet_address_get (addr, 0, NULL, NULL)) - return; - - write_field_row_begin (field_name, flags, md->html, md->stream); - - i = 0; - while (camel_internet_address_get (addr, i, &name, &email)) { - gboolean have_name = name && *name; - gboolean have_email = email && *email; - gchar *name_arg = NULL; - gchar *email_arg = NULL; - gchar *name_disp = NULL; - gchar *email_disp = NULL; - - if (have_name) { - name_arg = elide_quotes (name); - name_disp = e_text_to_html (name, 0); - } - - if (have_email) { - email_arg = elide_quotes (email); - email_disp = e_text_to_html (email, 0); - } - - if (i) - mail_html_write (md->html, md->stream, ", "); - - if (have_email || have_name) { - if (!have_email) { - email_arg = g_strdup ("???"); - email_disp = g_strdup ("???"); - } - - if (have_name) { - mail_html_write (md->html, md->stream, - "%s <<a href=\"mailto:%s <%s>\">%s</a>>", - name_disp, name_arg, email_arg, email_disp); - } else { - mail_html_write (md->html, md->stream, - "<a href=\"mailto:%s\">%s</a>", - email_arg, email_disp); - } - - } else { - char *str; - - str = e_utf8_from_locale_string (_("Bad Address")); - mail_html_write (md->html, md->stream, "<i>%s</i>", str); - g_free (str); - } - - g_free (name_arg); - g_free (email_arg); - g_free (name_disp); - g_free (email_disp); - - i++; - } - mail_html_write (md->html, md->stream, "</td></tr>"); -} - - -static void -write_header (CamelMimeMessage *message, MailDisplay *md, - const char *name, const char *value, int flags) -{ - if (!g_strcasecmp (name, "From")) { - write_address (md, camel_mime_message_get_from (message), - _("From"), flags | WRITE_BOLD); - } else if (!g_strcasecmp (name, "Reply-To")) { - write_address (md, camel_mime_message_get_reply_to (message), - _("Reply-To"), flags); - } else if (!g_strcasecmp (name, "To")) { - write_address (md, camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_TO), - _("To"), flags | WRITE_BOLD); - } else if (!g_strcasecmp (name, "Cc")) { - write_address (md, camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_CC), - _("Cc"), flags | WRITE_BOLD); - } else if (!g_strcasecmp (name, "Subject")) { - write_text_header (_("Subject"), camel_mime_message_get_subject (message), - flags | WRITE_BOLD, md->html, md->stream); - } else if (!g_strcasecmp (name, "Date")) { - write_date (message, flags | WRITE_BOLD, md->html, md->stream); - } else - write_text_header (name, value, flags, md->html, md->stream); -} - -#define COLOR_IS_LIGHT(r, g, b) ((r + g + b) > (128 * 3)) - -static void -write_headers (CamelMimeMessage *message, MailDisplay *md) -{ - gboolean full = (md->display_style == MAIL_CONFIG_DISPLAY_FULL_HEADERS); - CamelMediumHeader *headers, default_headers[] = { - { "From", NULL }, { "Reply-To", NULL }, - { "To", NULL }, { "Cc" , NULL }, { "Subject", NULL }, - { "Date", NULL } - }; - char bgcolor[7], fontcolor[7]; - GtkStyle *style = NULL; - int i, len, flags; - GArray *gheaders; - - /* My favorite thing to do...much around with colors so we respect people's stupid themes */ - style = gtk_widget_get_style (GTK_WIDGET (md->html)); - if (style) { - int state = GTK_WIDGET_STATE (GTK_WIDGET (md->html)); - gushort r, g, b; - - r = style->base[state].red / 256; - g = style->base[state].green / 256; - b = style->base[state].blue / 256; - - if (COLOR_IS_LIGHT (r, g, b)) { - r *= 0.92; - g *= 0.92; - b *= 0.92; - } else { - r = 255 - (0.92 * (255 - r)); - g = 255 - (0.92 * (255 - g)); - b = 255 - (0.92 * (255 - b)); - } - - sprintf (bgcolor, "%.2X%.2X%.2X", r, g, b); - - r = style->text[state].red; - g = style->text[state].green / 256; - b = style->text[state].blue / 256; - - sprintf (fontcolor, "%.2X%.2X%.2X", r, g, b); - } else { - strcpy (bgcolor, "EEEEEE"); - strcpy (fontcolor, "000000"); - } - - mail_html_write (md->html, md->stream, - "<table width=\"100%%\" cellpadding=0 cellspacing=0>" - "<tr><td colspan=3 height=10><table height=10 cellpadding=0 cellspacing=0>" - "<tr><td></td></tr></table></td></tr>" - "<tr><td><table width=10 cellpadding=0 cellspacing=0><tr><td></td></tr></table></td>" - "<td width=\"100%%\"><font color=\"#%s\">" - "<table bgcolor=\"#000000\" width=\"100%%\" " - "cellspacing=0 cellpadding=1><tr><td>" - "<table bgcolor=\"#%s\" width=\"100%%\" cellpadding=0 cellspacing=0>" - "<tr><td><table>\n", fontcolor, bgcolor); - - if (full) { - gheaders = camel_medium_get_headers (CAMEL_MEDIUM (message)); - headers = (CamelMediumHeader *)gheaders->data; - len = gheaders->len; - flags = WRITE_NOCOLUMNS; - } else { - gheaders = NULL; - headers = default_headers; - len = sizeof (default_headers) / sizeof (default_headers[0]); - flags = 0; - } - - for (i = 0; i < len; i++) - write_header (message, md, headers[i].name, headers[i].value, flags); - - if (gheaders) - camel_medium_free_headers (CAMEL_MEDIUM (message), gheaders); - - mail_html_write (md->html, md->stream, - "</table></td></tr></table></td></tr></table></font></td>" - "<td><table width=10 cellpadding=0 cellspacing=0><tr><td></td></tr></table></td></tr>" - "</table>\n"); -} - -static void -load_offline_content (MailDisplay *md, gpointer data) -{ - CamelDataWrapper *wrapper = data; - CamelStream *stream; - - stream = camel_stream_null_new (); - camel_data_wrapper_write_to_stream (wrapper, stream); - camel_object_unref (CAMEL_OBJECT (stream)); - camel_object_unref (CAMEL_OBJECT (wrapper)); -} - -gboolean -mail_content_loaded (CamelDataWrapper *wrapper, MailDisplay *md, gboolean redisplay, const gchar *url, GtkHTMLStream *handle) -{ - if (!camel_data_wrapper_is_offline (wrapper)) - return TRUE; - - camel_object_ref (CAMEL_OBJECT (wrapper)); - if (redisplay) - mail_display_redisplay_when_loaded (md, wrapper, load_offline_content, wrapper); - else - mail_display_stream_write_when_loaded (md, wrapper, url, load_offline_content, handle, wrapper); - - return FALSE; -} - -/* Return the contents of a data wrapper, or %NULL if it contains only - * whitespace. - */ -static char * -get_data_wrapper_text (CamelDataWrapper *wrapper) -{ - CamelStream *memstream; - GByteArray *ba; - char *text, *end; - - memstream = camel_stream_mem_new (); - ba = g_byte_array_new (); - camel_stream_mem_set_byte_array (CAMEL_STREAM_MEM (memstream), ba); - camel_data_wrapper_write_to_stream (wrapper, memstream); - camel_object_unref (CAMEL_OBJECT (memstream)); - - for (text = ba->data, end = text + ba->len; text < end; text++) { - if (!isspace ((unsigned char)*text)) - break; - } - - if (text >= end) { - g_byte_array_free (ba, TRUE); - return NULL; - } - - g_byte_array_append (ba, "", 1); - text = ba->data; - g_byte_array_free (ba, FALSE); - - return text; -} - -/*----------------------------------------------------------------------* - * Mime handling functions - *----------------------------------------------------------------------*/ - -struct { - char *start; - char * (*handler) (char *start, CamelMimePart *part, MailDisplay *md); -} text_specials[] = { - { "-----BEGIN PGP MESSAGE-----\n", try_inline_pgp }, - { "-----BEGIN PGP SIGNED MESSAGE-----\n", try_inline_pgp_sig }, - { "begin ", try_uudecoding }, - { "(This file must be converted with BinHex 4.0)\n", try_inline_binhex } -}; -#define NSPECIALS (sizeof (text_specials) / sizeof (*text_specials)) - -static gboolean -handle_text_plain (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - char *text, *p, *start; - CamelContentType *type; - gboolean check_specials; - const char *format; - int i; - - text = get_data_wrapper_text (wrapper); - if (!text) - return FALSE; - - /* Check for RFC 2646 flowed text. */ - type = camel_mime_part_get_content_type (part); - format = header_content_type_param (type, "format"); - if (format && !g_strcasecmp (format, "flowed")) - return handle_text_plain_flowed (text, md); - - mail_html_write (md->html, md->stream, - "\n<!-- text/plain -->\n" - "<table cellspacing=0 cellpadding=10 width=\"100%%\"><tr><td>\n"); - - /* Only look for binhex and stuff if this is real text/plain. - * (and not, say, application/mac-binhex40 that mail-identify - * has decided to call text/plain because it starts with English - * text...) - */ - check_specials = !g_strcasecmp (mime_type, "text/plain"); - - p = text; - while (p && check_specials) { - /* Look for special cases. */ - for (i = 0; i < NSPECIALS; i++) { - start = strstr (p, text_specials[i].start); - if (start && (start == p || start[-1] == '\n')) - break; - } - if (!start) - break; - - /* Deal with special case */ - if (start != p) { - /* the %.*s thing just grabs upto start-p chars; go read ANSI C */ - mail_text_write (md->html, md->stream, "%.*s", start-p, p); - } - - p = text_specials[i].handler (start, part, md); - if (p == start) { - /* Oops. That failed. Output this line normally and - * skip over it. - */ - p = strchr (start, '\n'); - if (!p++) - break; - mail_text_write (md->html, md->stream, "%.*s", p-start, start); - } else if (p) - mail_html_write (md->html, md->stream, "<hr>"); - } - /* Finish up (or do the whole thing if there were no specials). */ - if (p) - mail_text_write (md->html, md->stream, "%s", p); - - g_free (text); - mail_html_write (md->html, md->stream, "</td></tr></table>\n"); - - return TRUE; -} - -#ifdef APPLICATION_PGP_IS_NO_LONGER_SUPPORTED -/* This is a special-case hack from broken mailers such as The Bat! */ -static gboolean -handle_application_pgp (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - const char *format, *xaction; - CamelMimePart *mime_part; - CamelContentType *type; - char *text; - - /* Check the format and x-action parameters. */ - type = camel_mime_part_get_content_type (part); - format = header_content_type_param (type, "format"); - xaction = header_content_type_param (type, "x-action"); - - /* We don't know how to handle non-text broken-pgp'd mime parts */ - if (g_strcasecmp (format, "text") != 0) - return FALSE; - - text = get_data_wrapper_text (wrapper); - if (!text) - return FALSE; - - mime_part = camel_mime_part_new (); - if (!g_strcasecmp (xaction, "sign")) { - camel_mime_part_set_content (mime_part, text, strlen (text), "text/plain"); - } else { - CamelStream *ciphertext, *plaintext; - GByteArray *buffer; - - ciphertext = camel_stream_mem_new (); - camel_stream_write (ciphertext, text, strlen (text)); - camel_stream_reset (ciphertext); - - plaintext = camel_stream_mem_new (); - decode_pgp (ciphertext, plaintext, md); - camel_object_unref (CAMEL_OBJECT (ciphertext)); - - buffer = CAMEL_STREAM_MEM (plaintext)->buffer; - - camel_mime_part_set_content (mime_part, buffer->data, buffer->len, "text/plain"); - camel_object_unref (CAMEL_OBJECT (plaintext)); - } - - camel_medium_set_content_object (CAMEL_MEDIUM (part), - camel_medium_get_content_object (CAMEL_MEDIUM (mime_part))); - camel_object_unref (CAMEL_OBJECT (mime_part)); - - return handle_text_plain (part, "text/plain", md); -} -#endif /* APPLICATION_PGP_IS_NO_LONGER_SUPPORTED */ - -static gboolean -handle_text_plain_flowed (char *buf, MailDisplay *md) -{ - char *text, *line, *eol, *p; - int prevquoting = 0, quoting, len, br_pending = 0; - guint32 citation_color = mail_config_get_citation_color (); - - mail_html_write (md->html, md->stream, - "\n<!-- text/plain, flowed -->\n" - "<table cellspacing=0 cellpadding=10 width=\"100%%\"><tr><td>\n<tt>\n"); - - 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) { - if (prevquoting == 0) { - mail_html_write (md->html, md->stream, - "<font color=\"#%06x\">", - citation_color); - if (br_pending) - br_pending--; - } - while (quoting > prevquoting) { - mail_html_write (md->html, md->stream, - "<blockquote>"); - prevquoting++; - } - while (quoting < prevquoting) { - mail_html_write (md->html, md->stream, - "</blockquote>"); - prevquoting--; - } - if (quoting == 0) { - mail_html_write (md->html, md->stream, - "</font>\n"); - if (br_pending) - br_pending--; - } - } - - if (*p == ' ') - p++; - len = strlen (p); - if (len == 0) { - br_pending++; - continue; - } - - while (br_pending) { - mail_html_write (md->html, md->stream, "<br>\n"); - br_pending--; - } - - /* 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 (md->html, md->stream, "%s", text); - g_free (text); - - if (p[len - 1] != ' ' || !strcmp (p, "-- ")) - br_pending++; - - if (!eol) - break; - } - g_free (buf); - - mail_html_write (md->html, md->stream, "</tt>\n</td></tr></table>\n"); - - return TRUE; -} - -static CamelMimePart * -fake_mime_part_from_data (const char *data, int len, const char *type) -{ - CamelStream *memstream; - CamelDataWrapper *wrapper; - CamelMimePart *part; - - memstream = camel_stream_mem_new_with_buffer (data, len); - wrapper = camel_data_wrapper_new (); - camel_data_wrapper_construct_from_stream (wrapper, memstream); - camel_data_wrapper_set_mime_type (wrapper, type); - camel_object_unref (CAMEL_OBJECT (memstream)); - part = camel_mime_part_new (); - camel_medium_set_content_object (CAMEL_MEDIUM (part), wrapper); - camel_object_unref (CAMEL_OBJECT (wrapper)); - camel_mime_part_set_disposition (part, "inline"); - return part; -} - -static void -destroy_part (CamelObject *root, gpointer event_data, gpointer user_data) -{ - camel_object_unref (user_data); -} - -static void -decode_pgp (CamelStream *ciphertext, CamelStream *plaintext, MailDisplay *md) -{ - CamelException ex; - - camel_exception_init (&ex); - - /* FIXME: multipart parts */ - if (g_datalist_get_data (md->data, "show_pgp")) { - CamelPgpContext *ctx; - - ctx = camel_pgp_context_new (session, mail_config_get_pgp_type (), - mail_config_get_pgp_path (), - mail_config_get_remember_pgp_passphrase ()); - - if (ctx) { - camel_pgp_decrypt (ctx, ciphertext, plaintext, &ex); - camel_object_unref (CAMEL_OBJECT (ctx)); - camel_stream_reset (plaintext); - } else { - camel_exception_setv (&ex, CAMEL_EXCEPTION_SYSTEM, - _("No GPG/PGP program configured.")); - } - - if (!camel_exception_is_set (&ex)) - return; - } - - mail_html_write (md->html, md->stream, - "<table><tr valign=top><td>" - "<a href=\"x-evolution-decode-pgp:\">" - "<img src=\"%s\"></a></td><td>", - get_url_for_icon ("gnome-lockscreen.png", md)); - - if (camel_exception_is_set (&ex)) { - char *str; - - str = e_utf8_from_locale_string (_("Encrypted message not displayed")); - mail_html_write (md->html, md->stream, "%s<br><br>\n", str); - g_free (str); - - str = e_utf8_from_locale_string (camel_exception_get_description (&ex)); - mail_error_write (md->html, md->stream, "%s", str); - camel_exception_clear (&ex); - g_free (str); - } else { - char *str1, *str2; - - str1 = e_utf8_from_locale_string (_("Encrypted message")); - str2 = e_utf8_from_locale_string (_("Click icon to decrypt.")); - mail_html_write (md->html, md->stream, "%s<br><br>\n%s", - str1, str2); - g_free (str1); - g_free (str2); - } - - mail_html_write (md->html, md->stream, "</td></tr></table>"); -} - -static char * -try_inline_pgp (char *start, CamelMimePart *part, MailDisplay *md) -{ - CamelStream *ciphertext, *plaintext; - GByteArray *buffer; - char *end; - - end = strstr (start, "-----END PGP MESSAGE-----"); - if (!end) - return start; - - end += strlen ("-----END PGP MESSAGE-----") - 1; - - mail_html_write (md->html, md->stream, "<hr>"); - - ciphertext = camel_stream_mem_new (); - camel_stream_write (ciphertext, start, end - start); - camel_stream_reset (ciphertext); - - plaintext = camel_stream_mem_new (); - decode_pgp (ciphertext, plaintext, md); - camel_object_unref (CAMEL_OBJECT (ciphertext)); - - buffer = CAMEL_STREAM_MEM (plaintext)->buffer; - if (buffer && buffer->len) { - mail_html_write (md->html, md->stream, - "<table width=\"100%%\" border=2 " - "cellpadding=4><tr><td>"); - mail_text_write (md->html, md->stream, "%.*s", buffer->len, buffer->data); - mail_html_write (md->html, md->stream, "</td></tr></table>"); - } - - camel_object_unref (CAMEL_OBJECT (plaintext)); - - return end; -} - -static void -mail_write_authenticity (MailDisplay *md, CamelCipherValidity *valid) -{ - char *str; - - /* Now display the "seal-of-authenticity" or something... */ - if (valid && camel_cipher_validity_get_valid (valid)) { - str = e_utf8_from_locale_string ( - _("This message is digitally signed and " - "has been found to be authentic.")); - mail_html_write (md->html, md->stream, - "<hr>\n<table><tr valign=top>" - "<td><img src=\"%s\"></td>" - "<td><font size=-1>%s<br><br>", - get_url_for_icon (EVOLUTION_ICONSDIR "/wax-seal.png", md), - str); - g_free (str); - } else { - str = e_utf8_from_locale_string ( - _("This message is digitally signed but can " - "not be proven to be authentic.")); - mail_html_write (md->html, md->stream, - "<hr>\n<table><tr valign=top>" - "<td><img src=\"%s\"></td>" - "<td><font size=-1>%s<br><br>", - get_url_for_icon (EVOLUTION_ICONSDIR "/wax-seal-broken.png", md), - str); - g_free (str); - } - - if (valid && camel_cipher_validity_get_description (valid)) { - mail_error_write (md->html, md->stream, "%s", - camel_cipher_validity_get_description (valid)); - mail_html_write (md->html, md->stream, "<br><br>"); - } -} - -static char * -try_inline_pgp_sig (char *start, CamelMimePart *part, MailDisplay *md) -{ - CamelCipherValidity *valid = NULL; - CamelPgpContext *context; - char *msg_start, *pgp_start, *sig_start, *sig_end; - - pgp_start = strstr (start, "-----BEGIN PGP SIGNED MESSAGE-----"); - if (pgp_start) { - /* skip over -----BEGIN PGP SIGNED MESSAGE----- */ - msg_start = strchr (pgp_start, '\n'); - if (!msg_start++) - return start; - - /* skip over Hash: header */ - msg_start = strchr (msg_start, '\n'); - if (!msg_start++) - return start; - } else { - /* Some MUAs don't enclose the signed text in - -----BEGIN PGP SIGNED MESSAGE----- */ - msg_start = start; - } - - /* find the beginning of the signature block */ - sig_start = strstr (msg_start, "-----BEGIN PGP SIGNATURE-----"); - if (!sig_start) - return start; - - /* find the end of the pgp signature block */ - sig_end = strstr (sig_start, "-----END PGP SIGNATURE-----"); - if (!sig_end) - return start; - - sig_end += strlen ("-----END PGP SIGNATURE-----") + 1; - - mail_html_write (md->html, md->stream, "<hr>"); - - context = camel_pgp_context_new (session, mail_config_get_pgp_type (), - mail_config_get_pgp_path (), - mail_config_get_remember_pgp_passphrase ()); - - if (context) { - CamelMimeFilterCharset *charset_filter; - CamelStreamFilter *filtered_stream; - CamelStream *ciphertext; - CamelContentType *type; - const char *charset; - CamelException *ex; - - ex = camel_exception_new (); - - ciphertext = camel_stream_mem_new (); - - type = camel_mime_part_get_content_type (part); - charset = header_content_type_param (type, "charset"); - if (!charset) - charset = mail_config_get_default_charset (); - - filtered_stream = camel_stream_filter_new_with_stream (ciphertext); - charset_filter = camel_mime_filter_charset_new_convert ("utf-8", charset); - if (charset_filter) { - camel_stream_filter_add (filtered_stream, CAMEL_MIME_FILTER (charset_filter)); - camel_object_unref (CAMEL_OBJECT (charset_filter)); - } - - camel_stream_write (CAMEL_STREAM (filtered_stream), pgp_start, sig_end - pgp_start); - camel_stream_flush (CAMEL_STREAM (filtered_stream)); - camel_object_unref (CAMEL_OBJECT (filtered_stream)); - - camel_stream_reset (ciphertext); - - valid = camel_pgp_verify (context, ciphertext, NULL, ex); - camel_object_unref (CAMEL_OBJECT (ciphertext)); - camel_object_unref (CAMEL_OBJECT (context)); - - camel_exception_free (ex); - } - - mail_text_write (md->html, md->stream, "%.*s", sig_start - msg_start, msg_start); - - mail_write_authenticity (md, valid); - - mail_html_write (md->html, md->stream, "</font></td></table>"); - - camel_cipher_validity_free (valid); - - return sig_end; -} - -static char * -try_uudecoding (char *start, CamelMimePart *mime_part, MailDisplay *md) -{ - int mode, len, state = 0; - char *filename, *estart, *p, *out, uulen = 0; - guint32 save = 0; - CamelMimePart *part; - - /* Make sure it's a real uudecode begin line: - * begin [0-7]+ .* - */ - mode = strtoul (start + 6, &p, 8); - if (p == start + 6 || *p != ' ') - return start; - estart = strchr (start, '\n'); - if (!estart) - return start; - - while (isspace ((unsigned char)*p)) - p++; - filename = g_strndup (p, estart++ - p); - - /* Make sure there's an end line. */ - p = strstr (p, "\nend\n"); - if (!p) { - g_free (filename); - return start; - } - - out = g_malloc (p - estart); - len = uudecode_step (estart, p - estart, out, &state, &save, &uulen); - - part = fake_mime_part_from_data (out, len, "application/octet-stream"); - g_free (out); - camel_mime_part_set_filename (part, filename); - g_free (filename); - camel_object_hook_event (CAMEL_OBJECT (md->current_message), - "finalize", destroy_part, part); - - mail_html_write (md->html, md->stream, "<hr>"); - format_mime_part (part, md); - - return p + 4; -} - -static char * -try_inline_binhex (char *start, CamelMimePart *mime_part, MailDisplay *md) -{ - char *p; - CamelMimePart *part; - - /* Find data start. */ - p = strstr (start, "\n:"); - if (!p) - return start; - - /* And data end. */ - p = strchr (p + 2, ':'); - if (!p || (*(p + 1) != '\n' && *(p + 1) != '\0')) - return start; - p += 2; - - part = fake_mime_part_from_data (start, p - start, - "application/mac-binhex40"); - camel_object_hook_event (CAMEL_OBJECT (md->current_message), - "finalize", destroy_part, part); - - mail_html_write (md->html, md->stream, "<hr>"); - format_mime_part (part, md); - - return p; -} - -/* text/enriched (RFC 1896) or text/richtext (included in RFC 1341) */ -static gboolean -handle_text_enriched (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - static GHashTable *translations = NULL; - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - GString *string; - GByteArray *ba; - char *text, *p, *xed; - 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", "<b>"); - g_hash_table_insert (translations, "/bold", "</b>"); - g_hash_table_insert (translations, "italic", "<i>"); - g_hash_table_insert (translations, "/italic", "</i>"); - g_hash_table_insert (translations, "fixed", "<tt>"); - g_hash_table_insert (translations, "/fixed", "</tt>"); - g_hash_table_insert (translations, "smaller", "<font size=-1>"); - g_hash_table_insert (translations, "/smaller", "</font>"); - g_hash_table_insert (translations, "bigger", "<font size=+1>"); - g_hash_table_insert (translations, "/bigger", "</font>"); - g_hash_table_insert (translations, "underline", "<u>"); - g_hash_table_insert (translations, "/underline", "</u>"); - g_hash_table_insert (translations, "center", "<p align=center>"); - g_hash_table_insert (translations, "/center", "</p>"); - g_hash_table_insert (translations, "flushleft", "<p align=left>"); - g_hash_table_insert (translations, "/flushleft", "</p>"); - g_hash_table_insert (translations, "flushright", "<p align=right>"); - g_hash_table_insert (translations, "/flushright", "</p>"); - g_hash_table_insert (translations, "excerpt", "<blockquote>"); - g_hash_table_insert (translations, "/excerpt", "</blockquote>"); - g_hash_table_insert (translations, "paragraph", "<p>"); - g_hash_table_insert (translations, "signature", "<address>"); - g_hash_table_insert (translations, "/signature", "</address>"); - g_hash_table_insert (translations, "comment", "<!-- "); - g_hash_table_insert (translations, "/comment", " -->"); - g_hash_table_insert (translations, "param", "<!-- "); - g_hash_table_insert (translations, "/param", " -->"); - g_hash_table_insert (translations, "np", "<hr>"); - } - - text = get_data_wrapper_text (wrapper); - if (!text) - return FALSE; - - if (!g_strcasecmp (mime_type, "text/richtext")) { - enriched = FALSE; - mail_html_write (md->html, md->stream, - "\n<!-- text/richtext -->\n"); - } else { - enriched = TRUE; - mail_html_write (md->html, md->stream, - "\n<!-- text/enriched -->\n"); - } - - /* This is not great code, but I don't feel like fixing it right - * now. I mean, it's just text/enriched... - */ - p = text; - string = g_string_sized_new (2 * strlen (p)); - - while (p) { - len = strcspn (p, " <>&\n"); - if (len) - g_string_sprintfa (string, "%.*s", len, p); - - p += len; - if (!*p) - break; - - switch (*p++) { - case ' ': - while (*p == ' ') { - g_string_append (string, " "); - p++; - } - g_string_append (string, " "); - break; - case '\n': - g_string_append (string, " "); - if (enriched && nofill <= 0) { - while (*p == '\n') { - g_string_append (string, "<br>"); - p++; - } - } - break; - case '>': - g_string_append (string, ">"); - break; - case '&': - g_string_append (string, "&"); - break; - case '<': - if (enriched) { - if (*p == '<') { - g_string_append (string, "<"); - p++; - break; - } - } else { - if (strncmp (p, "lt>", 3) == 0) { - g_string_append (string, "<"); - p += 3; - break; - } else if (strncmp (p, "nl>", 3) == 0) { - g_string_append (string, "<br>"); - p += 3; - break; - } - } - - if (strncmp (p, "nofill>", 7) == 0) { - nofill++; - g_string_append (string, "<pre>"); - } else if (strncmp (p, "/nofill>", 8) == 0) { - nofill--; - g_string_append (string, "</pre>"); - } else { - char *copy, *match; - - len = strcspn (p, ">"); - copy = g_strndup (p, len); - match = g_hash_table_lookup (translations, - copy); - g_free (copy); - if (match) - g_string_append (string, match); - } - - p = strchr (p, '>'); - if (p) - p++; - } - } - g_free (text); - - ba = g_byte_array_new (); - g_byte_array_append (ba, (const guint8 *)string->str, - strlen (string->str)); - g_string_free (string, TRUE); - - xed = g_strdup_printf ("x-evolution-data:%p", part); - mail_html_write (md->html, md->stream, - "<iframe src=\"%s\" frameborder=0 scrolling=no>" - "</iframe>", xed); - add_url ("data_urls", xed, ba, md); - - return TRUE; -} - -static gboolean -handle_text_html (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - const char *location; - - mail_html_write (md->html, md->stream, "\n<!-- text/html -->\n"); - - /* FIXME: deal with relative URLs */ - location = get_location (part, md); - if (!location) - location = get_cid (part, md); - mail_html_write (md->html, md->stream, - "<iframe src=\"%s\" frameborder=0 scrolling=no>" - "</iframe>", location); - return TRUE; -} - -static gboolean -handle_image (CamelMimePart *part, const char *mime_type, MailDisplay *md) -{ - mail_html_write (md->html, md->stream, "<img hspace=10 vspace=10 src=\"%s\">", - get_cid (part, md)); - return TRUE; -} - -static gboolean -handle_multipart_mixed (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - CamelMultipart *mp; - int i, nparts; - gboolean output = FALSE; - - g_return_val_if_fail (CAMEL_IS_MULTIPART (wrapper), FALSE); - mp = CAMEL_MULTIPART (wrapper); - - nparts = camel_multipart_get_number (mp); - for (i = 0; i < nparts; i++) { - if (i != 0 && output) - mail_html_write (md->html, md->stream, - "<table cellspacing=0 cellpadding=10 width=\"100%%\"><tr><td width=\"100%%\">" - "<hr noshadow size=1></td></tr></table>\n"); - - part = camel_multipart_get_part (mp, i); - - output = format_mime_part (part, md); - } - - return TRUE; -} - -static gboolean -handle_multipart_encrypted (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper; - CamelMimePart *mime_part; - CamelException ex; - - wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); - - g_return_val_if_fail (CAMEL_IS_MULTIPART (wrapper), FALSE); - - /* Currently we only handle RFC2015-style PGP encryption. */ - if (!camel_pgp_mime_is_rfc2015_encrypted (part)) - return handle_multipart_mixed (part, mime_type, md); - - camel_exception_init (&ex); - mime_part = mail_crypto_pgp_mime_part_decrypt (part, &ex); - - if (camel_exception_is_set (&ex)) { - /* I guess we just treat this as a multipart/mixed */ - camel_exception_clear (&ex); - return handle_multipart_mixed (part, mime_type, md); - } else { - /* replace the encrypted part with the decrypted part */ - /* FIXME: will this cause problems anywhere? -- seems to work okay so far */ - camel_medium_set_content_object (CAMEL_MEDIUM (part), - camel_medium_get_content_object (CAMEL_MEDIUM (mime_part))); - camel_object_unref (CAMEL_OBJECT (mime_part)); - - /* and continue on our merry way... */ - return format_mime_part (part, md); - } -} - -static gboolean -handle_multipart_signed (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper; - CamelMultipart *mp; - CamelException *ex; - gboolean output = FALSE; - CamelCipherValidity *valid; - int nparts, i; - - wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); - - g_return_val_if_fail (CAMEL_IS_MULTIPART (wrapper), FALSE); - - ex = camel_exception_new (); - - if (camel_pgp_mime_is_rfc2015_signed (part)) { - valid = mail_crypto_pgp_mime_part_verify (part, ex); - } else { - camel_exception_free (ex); - return handle_multipart_mixed (part, mime_type, md); - } - - if (!valid) { - camel_exception_free (ex); - return handle_multipart_mixed (part, mime_type, md); - } - - camel_exception_free (ex); - - /* now display all the subparts (there should be only 1) *except* the signature (last part) */ - mp = CAMEL_MULTIPART (wrapper); - - nparts = camel_multipart_get_number (mp); - for (i = 0; i < nparts - 1; i++) { - if (i != 0 && output) - mail_html_write (md->html, md->stream, - "<table cellspacing=0 cellpadding=10 width=\"100%%\"><tr><td width=\"100%%\">" - "<hr noshadow size=1></td></tr></table>\n"); - - part = camel_multipart_get_part (mp, i); - - output = format_mime_part (part, md); - } - - mail_write_authenticity (md, valid); - camel_cipher_validity_free (valid); - - mail_html_write (md->html, md->stream, "</font></td></table>"); - - return TRUE; -} - -/* As seen in RFC 2387! */ -static gboolean -handle_multipart_related (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - CamelMultipart *mp; - CamelMimePart *body_part, *display_part = NULL; - CamelContentType *content_type; - const char *start; - int i, nparts; - - g_return_val_if_fail (CAMEL_IS_MULTIPART (wrapper), FALSE); - - mp = CAMEL_MULTIPART (wrapper); - nparts = camel_multipart_get_number (mp); - - content_type = camel_mime_part_get_content_type (part); - start = header_content_type_param (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; - } - } - } else { - /* No start parameter, so it defaults to the first part. */ - display_part = camel_multipart_get_part (mp, 0); - } - - if (!display_part) { - /* Oops. Hrmph. */ - return handle_multipart_mixed (part, mime_type, md); - } - - /* Record the Content-ID/Content-Location of any non-displayed parts. */ - for (i = 0; i < nparts; i++) { - body_part = camel_multipart_get_part (mp, i); - if (body_part == display_part) - continue; - - get_cid (body_part, md); - get_location (body_part, md); - } - - /* Now, display the displayed part. */ - return format_mime_part (display_part, md); -} - -/* RFC 2046 says "display the last part that you are able to display". */ -static CamelMimePart * -find_preferred_alternative (CamelMultipart *multipart, gboolean want_plain) -{ - int i, nparts; - CamelMimePart *preferred_part = NULL; - MailMimeHandler *handler; - - nparts = camel_multipart_get_number (multipart); - for (i = 0; i < nparts; i++) { - CamelMimePart *part = camel_multipart_get_part (multipart, i); - CamelContentType *type = camel_mime_part_get_content_type (part); - char *mime_type = header_content_type_simple (type); - - g_strdown (mime_type); - if (want_plain && !strcmp (mime_type, "text/plain")) - return part; - handler = mail_lookup_handler (mime_type); - if (handler && (!preferred_part || !handler->generic)) - preferred_part = part; - g_free (mime_type); - } - - return preferred_part; -} - -static gboolean -handle_multipart_alternative (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - CamelMultipart *multipart; - CamelMimePart *mime_part; - - g_return_val_if_fail (CAMEL_IS_MULTIPART (wrapper), FALSE); - - multipart = CAMEL_MULTIPART (wrapper); - - mime_part = find_preferred_alternative (multipart, FALSE); - if (mime_part) - return format_mime_part (mime_part, md); - else - return handle_multipart_mixed (part, mime_type, md); -} - -/* RFC 1740 */ -static gboolean -handle_multipart_appledouble (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - CamelMultipart *multipart; - - g_return_val_if_fail (CAMEL_IS_MULTIPART (wrapper), FALSE); - - 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); - return format_mime_part (part, md); -} - -static gboolean -handle_message_rfc822 (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelDataWrapper *wrapper = - camel_medium_get_content_object (CAMEL_MEDIUM (part)); - - g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (wrapper), FALSE); - - mail_html_write (md->html, md->stream, "<blockquote>"); - mail_format_mime_message (CAMEL_MIME_MESSAGE (wrapper), md); - mail_html_write (md->html, md->stream, "</blockquote>"); - - return TRUE; -} - -static gboolean -handle_message_external_body (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - CamelContentType *type; - const char *access_type; - char *url = NULL, *desc = NULL; - char *fmt; - - type = camel_mime_part_get_content_type (part); - access_type = header_content_type_param (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 = header_content_type_param (type, "name"); - site = header_content_type_param (type, "site"); - if (name == NULL || site == NULL) - goto fallback; - dir = header_content_type_param (type, "directory"); - mode = header_content_type_param (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); - fmt = e_utf8_from_locale_string (_("Pointer to FTP site (%s)")); - desc = g_strdup_printf (fmt, url); - g_free (fmt); - } else if (!g_strcasecmp (access_type, "local-file")) { - const char *name, *site; - - name = header_content_type_param (type, "name"); - if (name == NULL) - goto fallback; - site = header_content_type_param (type, "site"); - - url = g_strdup_printf ("file://%s%s", *name == '/' ? "" : "/", - name); - if (site) { - fmt = e_utf8_from_locale_string (_("Pointer to local file (%s) " - "valid at site \"%s\"")); - desc = g_strdup_printf (fmt, name, site); - g_free (fmt); - } else { - fmt = e_utf8_from_locale_string (_("Pointer to local file (%s)")); - desc = g_strdup_printf (fmt, name); - g_free (fmt); - } - } else if (!g_strcasecmp (access_type, "URL")) { - const char *urlparam; - char *s, *d; - - /* RFC 2017 */ - - urlparam = header_content_type_param (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; - - fmt = e_utf8_from_locale_string (_("Pointer to remote data (%s)")); - desc = g_strdup_printf (fmt, url); - g_free (fmt); - } - - fallback: - if (!desc) { - if (access_type) { - fmt = e_utf8_from_locale_string (_("Pointer to unknown external data " - "(\"%s\" type)")); - desc = g_strdup_printf (fmt, access_type); - g_free (fmt); - } else - desc = e_utf8_from_locale_string (_("Malformed external-body part.")); - } - -#if 0 /* FIXME */ - handle_mystery (part, md, url, "gnome-globe.png", desc, - url ? "open it in a browser" : NULL); -#endif - - g_free (desc); - g_free (url); - return TRUE; -} - -static gboolean -handle_via_bonobo (CamelMimePart *part, const char *mime_type, - MailDisplay *md) -{ - mail_html_write (md->html, md->stream, - "<object classid=\"%s\" type=\"%s\"></object>", - get_cid (part, md), mime_type); - return TRUE; -} - -/** - * mail_get_message_rfc822: - * @message: the message - * @want_plain: whether the caller prefers plain to html - * @cite: whether or not to cite the message text - * - * See mail_get_message_body() below for more details. - * - * Return value: an HTML string representing the text parts of @message. - **/ -static char * -mail_get_message_rfc822 (CamelMimeMessage *message, gboolean want_plain, gboolean cite) -{ - CamelDataWrapper *contents; - GString *retval; - const CamelInternetAddress *cia; - char *text, *citation, *buf, *html; - time_t date_val; - int offset; - - contents = camel_medium_get_content_object (CAMEL_MEDIUM (message)); - text = mail_get_message_body (contents, want_plain, cite); - if (!text) - text = g_strdup (""); - citation = cite ? "> " : ""; - retval = g_string_new (NULL); - - /* Kludge: if text starts with "<PRE>", wrap it around the - * headers too so we won't get a blank line between them for the - * <P> to <PRE> switch. - */ - if (!g_strncasecmp (text, "<pre>", 5)) - g_string_sprintfa (retval, "<PRE>"); - - /* create credits */ - cia = camel_mime_message_get_from (message); - buf = camel_address_format (CAMEL_ADDRESS (cia)); - if (buf) { - html = e_text_to_html (buf, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS); - g_string_sprintfa (retval, "%s<b>From:</b> %s<br>", - citation, html); - g_free (html); - g_free (buf); - } - - cia = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_TO); - buf = camel_address_format (CAMEL_ADDRESS (cia)); - if (buf) { - html = e_text_to_html (buf, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS); - g_string_sprintfa (retval, "%s<b>To:</b> %s<br>", - citation, html); - g_free (html); - g_free (buf); - } - - cia = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_CC); - buf = camel_address_format (CAMEL_ADDRESS (cia)); - if (buf) { - html = e_text_to_html (buf, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS); - g_string_sprintfa (retval, "%s<b>Cc:</b> %s<br>", - citation, html); - g_free (html); - g_free (buf); - } - - buf = (char *) camel_mime_message_get_subject (message); - if (buf) { - html = e_text_to_html (buf, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS); - g_string_sprintfa (retval, "%s<b>Subject:</b> %s<br>", - citation, html); - g_free (html); - } - - date_val = camel_mime_message_get_date (message, &offset); - buf = header_format_date (date_val, offset); - html = e_text_to_html (buf, E_TEXT_TO_HTML_CONVERT_NL | E_TEXT_TO_HTML_CONVERT_URLS); - g_string_sprintfa (retval, "%s<b>Date:</b> %s<br>", citation, html); - g_free (html); - - if (!g_strncasecmp (text, "<pre>", 5)) - g_string_sprintfa (retval, "%s<br>%s", citation, text + 5); - else - g_string_sprintfa (retval, "%s<br>%s", citation, text); - g_free (text); - - buf = retval->str; - g_string_free (retval, FALSE); - return buf; -} - -/** - * mail_get_message_body: - * @data: the message or mime part content - * @want_plain: whether the caller prefers plain to html - * @cite: whether or not to cite the message text - * - * This creates an HTML string representing @data. If @want_plain is %TRUE, - * it will be an HTML string that looks like a text/plain representation - * of @data (but it will still be HTML). - * - * If @cite is %TRUE, the message will be cited as a reply, using "> "s. - * - * Return value: the HTML string, which the caller must free, or - * %NULL if @data doesn't include any data which should be forwarded or - * replied to. - **/ -char * -mail_get_message_body (CamelDataWrapper *data, gboolean want_plain, gboolean cite) -{ - CamelMultipart *mp; - CamelMimePart *subpart; - int i, nparts; - char *subtext, *old, *div; - char *text = NULL; - CamelContentType *mime_type; - - mime_type = camel_data_wrapper_get_mime_type_field (data); - - /* If it is message/rfc822 or message/news, extract the - * important headers and recursively process the body. - */ - if (header_content_type_is (mime_type, "message", "rfc822") || - header_content_type_is (mime_type, "message", "news")) - return mail_get_message_rfc822 (CAMEL_MIME_MESSAGE (data), want_plain, cite); - - /* If it's a vcard or icalendar, ignore it. */ - if (header_content_type_is (mime_type, "text", "x-vcard") || - header_content_type_is (mime_type, "text", "calendar")) - return NULL; - - /* Get the body data for other text/ or message/ types */ - if (header_content_type_is (mime_type, "text", "*") || - header_content_type_is (mime_type, "message", "*")) { - text = get_data_wrapper_text (data); - if (text && !header_content_type_is (mime_type, "text", "html")) { - char *html = e_text_to_html (text, E_TEXT_TO_HTML_PRE | (cite ? E_TEXT_TO_HTML_CITE : 0)); - g_free (text); - text = html; - } - return text; - } - - /* If it's not message and it's not text, and it's not - * multipart, we don't want to deal with it. - */ - if (!header_content_type_is (mime_type, "multipart", "*")) - return NULL; - - mp = CAMEL_MULTIPART (data); - - if (header_content_type_is (mime_type, "multipart", "alternative")) { - /* Pick our favorite alternative and reply to it. */ - - subpart = find_preferred_alternative (mp, want_plain); - if (!subpart) - return NULL; - - data = camel_medium_get_content_object (CAMEL_MEDIUM (subpart)); - return mail_get_message_body (data, want_plain, cite); - } - - /* Otherwise, concatenate all the parts that we can. */ - if (want_plain) { - if (cite) - div = "<br>\n> ----<br>\n> <br>\n"; - else - div = "<br>\n----<br>\n<br>\n"; - } else - div = "<br><hr><br>"; - - nparts = camel_multipart_get_number (mp); - for (i = 0; i < nparts; i++) { - subpart = camel_multipart_get_part (mp, i); - - data = camel_medium_get_content_object (CAMEL_MEDIUM (subpart)); - subtext = mail_get_message_body (data, want_plain, cite); - if (!subtext) - continue; - - if (text) { - old = text; - text = g_strdup_printf ("%s%s%s", old, div, subtext); - g_free (subtext); - g_free (old); - } else - text = subtext; - } - - return text; -} |