static gboolean emfe_attachment_format (EMailFormatterExtension *extension, EMailFormatter *formatter, EMailFormatterContext *context, EMailPart *part, GOutputStream *stream, GCancellable *cancellable) { gchar *text, *html; gchar *button_id; EAttachmentStore *store; EMailExtensionRegistry *registry; GQueue *extensions; EMailPartAttachment *empa; CamelMimePart *mime_part; CamelMimeFilterToHTMLFlags flags; GString *buffer; const gchar *attachment_part_id; const gchar *part_id; g_return_val_if_fail (E_IS_MAIL_PART_ATTACHMENT (part), FALSE); empa = (EMailPartAttachment *) part; part_id = e_mail_part_get_id (part); if ((context->mode == E_MAIL_FORMATTER_MODE_NORMAL) || (context->mode == E_MAIL_FORMATTER_MODE_PRINTING) || (context->mode == E_MAIL_FORMATTER_MODE_ALL_HEADERS)) { EAttachment *attachment; GList *head, *link; attachment = e_mail_part_attachment_ref_attachment ( E_MAIL_PART_ATTACHMENT (part)); head = g_queue_peek_head_link (&part->validities); for (link = head; link != NULL; link = g_list_next (link)) { EMailPartValidityPair *pair = link->data; if (pair == NULL) continue; if ((pair->validity_type & E_MAIL_PART_VALIDITY_SIGNED) != 0) e_attachment_set_signed ( attachment, pair->validity->sign.status); if ((pair->validity_type & E_MAIL_PART_VALIDITY_ENCRYPTED) != 0) e_attachment_set_encrypted ( attachment, pair->validity->encrypt.status); } store = find_attachment_store (context->part_list, part); if (store) { GList *attachments = e_attachment_store_get_attachments (store); if (!g_list_find (attachments, attachment)) { e_attachment_store_add_attachment ( store, attachment); } g_list_free (attachments); } else { g_warning ("Failed to locate attachment-bar for %s", part_id); } g_object_unref (attachment); } registry = e_mail_formatter_get_extension_registry (formatter); extensions = e_mail_extension_registry_get_for_mime_type ( registry, empa->snoop_mime_type); if (extensions == NULL) extensions = e_mail_extension_registry_get_fallback ( registry, empa->snoop_mime_type); /* If the attachment is requested as RAW, then call the * handler directly and do not append any other code. */ if ((context->mode == E_MAIL_FORMATTER_MODE_RAW) || (context->mode == E_MAIL_FORMATTER_MODE_PRINTING)) { GList *head, *link; gboolean success = FALSE; if (extensions == NULL) return FALSE; if (context->mode == E_MAIL_FORMATTER_MODE_PRINTING) { gchar *name; EAttachment *attachment; GFileInfo *file_info; const gchar *display_name; gchar *description; attachment = e_mail_part_attachment_ref_attachment ( E_MAIL_PART_ATTACHMENT (part)); file_info = e_attachment_ref_file_info (attachment); display_name = g_file_info_get_display_name (file_info); description = e_attachment_dup_description (attachment); if (description != NULL && *description != '\0') { name = g_strdup_printf ( "<h2>Attachment: %s (%s)</h2>\n", description, display_name); } else { name = g_strdup_printf ( "<h2>Attachment: %s</h2>\n", display_name); } g_output_stream_write_all ( stream, name, strlen (name), NULL, cancellable, NULL); g_free (description); g_free (name); g_object_unref (attachment); g_object_unref (file_info); } head = g_queue_peek_head_link (extensions); for (link = head; link != NULL; link = g_list_next (link)) { success = e_mail_formatter_extension_format ( E_MAIL_FORMATTER_EXTENSION (link->data), formatter, context, part, stream, cancellable); if (success) break; } return success; } /* E_MAIL_FORMATTER_MODE_NORMAL: */ mime_part = e_mail_part_ref_mime_part (part); text = e_mail_part_describe (mime_part, empa->snoop_mime_type); flags = e_mail_formatter_get_text_format_flags (formatter); html = camel_text_to_html ( text, flags & CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0); g_free (text); g_object_unref (mime_part); if (empa->attachment_view_part_id) attachment_part_id = empa->attachment_view_part_id; else attachment_part_id = part_id; button_id = g_strconcat (attachment_part_id, ".attachment_button", NULL); /* XXX Wild guess at the initial size. */ buffer = g_string_sized_new (8192); g_string_append_printf ( buffer, "<div class=\"attachment\">" "<table width=\"100%%\" border=\"0\">" "<tr valign=\"middle\">" "<td align=\"left\" width=\"100\">" "<object type=\"application/vnd.evolution.widget.attachment-button\" " "height=\"20\" width=\"100\" data=\"%s\" id=\"%s\"></object>" "</td>" "<td align=\"left\">%s</td>" "</tr>", part_id, button_id, html); g_free (button_id); g_free (html); if (extensions != NULL) { GOutputStream *content_stream; gboolean success = FALSE; content_stream = g_memory_output_stream_new_resizable (); if (empa->attachment_view_part_id != NULL) { EMailPart *attachment_view_part; attachment_view_part = e_mail_part_list_ref_part ( context->part_list, empa->attachment_view_part_id); /* Avoid recursion. */ if (attachment_view_part == part) g_clear_object (&attachment_view_part); if (attachment_view_part != NULL) { success = e_mail_formatter_format_as ( formatter, context, attachment_view_part, content_stream, NULL, cancellable); g_object_unref (attachment_view_part); } } else { GList *head, *link; head = g_queue_peek_head_link (extensions); for (link = head; link != NULL; link = g_list_next (link)) { success = e_mail_formatter_extension_format ( E_MAIL_FORMATTER_EXTENSION (link->data), formatter, context, part, content_stream, cancellable); if (success) break; } } if (success) { gchar *wrapper_element_id; gconstpointer data; gsize size; wrapper_element_id = g_strconcat ( attachment_part_id, ".wrapper", NULL); data = g_memory_output_stream_get_data ( G_MEMORY_OUTPUT_STREAM (content_stream)); size = g_memory_output_stream_get_data_size ( G_MEMORY_OUTPUT_STREAM (content_stream)); g_string_append_printf ( buffer, "<tr><td colspan=\"2\">" "<div class=\"attachment-wrapper\" id=\"%s\">", wrapper_element_id); g_string_append_len (buffer, data, size); g_string_append (buffer, "</div></td></tr>"); g_free (wrapper_element_id); } g_object_unref (content_stream); } g_string_append (buffer, "</table></div>"); g_output_stream_write_all ( stream, buffer->str, buffer->len, NULL, cancellable, NULL); g_string_free (buffer, TRUE); return TRUE; }
static gboolean empe_mp_alternative_parse (EMailParserExtension *extension, EMailParser *parser, CamelMimePart *part, GString *part_id, GCancellable *cancellable, GQueue *out_mail_parts) { CamelMultipart *mp; gint i, nparts, bestid = 0; CamelMimePart *best = NULL; EMailExtensionRegistry *reg; reg = e_mail_parser_get_extension_registry (parser); mp = (CamelMultipart *) camel_medium_get_content ((CamelMedium *) part); if (!CAMEL_IS_MULTIPART (mp)) return e_mail_parser_parse_part_as ( parser, part, part_id, "application/vnd.evolution.source", cancellable, out_mail_parts); /* as per rfc, find the last part we know how to display */ nparts = camel_multipart_get_number (mp); for (i = 0; i < nparts; i++) { CamelMimePart *mpart; CamelDataWrapper *data_wrapper; CamelContentType *type; gchar *mime_type; gsize content_size; if (g_cancellable_is_cancelled (cancellable)) return TRUE; /* is it correct to use the passed in *part here? */ mpart = camel_multipart_get_part (mp, i); if (mpart == NULL) continue; /* This may block even though the stream does not. * XXX Pretty inefficient way to test if the MIME part * is empty. Surely there's a quicker way? */ data_wrapper = camel_medium_get_content (CAMEL_MEDIUM (mpart)); content_size = camel_data_wrapper_calculate_decoded_size_sync (data_wrapper, cancellable, NULL); if (content_size == 0) continue; type = camel_mime_part_get_content_type (mpart); mime_type = camel_content_type_simple (type); camel_strdown (mime_type); if (!e_mail_part_is_attachment (mpart) && ((camel_content_type_is (type, "multipart", "related") == 0) || !related_display_part_is_attachment (mpart)) && (e_mail_extension_registry_get_for_mime_type (reg, mime_type) || ((best == NULL) && (e_mail_extension_registry_get_fallback (reg, mime_type))))) { best = mpart; bestid = i; } g_free (mime_type); } if (best) { gint len = part_id->len; g_string_append_printf (part_id, ".alternative.%d", bestid); e_mail_parser_parse_part ( parser, best, part_id, cancellable, out_mail_parts); g_string_truncate (part_id, len); } else { e_mail_parser_parse_part_as ( parser, part, part_id, "multipart/mixed", cancellable, out_mail_parts); } return TRUE; }