raw routines are declared public now. Md5 use has to be versatile.

1999-09-07  bertrand  <Bertrand.Guiheneuf@aful.org>

	* camel/md5-utils.h :
	raw routines are declared public now.
	Md5 use has to be versatile.

	* camel/providers/MH/mh-uid.c (mh_uid_get_for_file):
	new func. Returns an UID for an MH message.

svn path=/trunk/; revision=1187

1 files changed, 68 insertions, 0 deletions

diff --git a/camel/providers/MH/mh-uid.c b/camel/providers/MH/mh-uid.c
new file mode 100644
index 0000000000..d830a8f349
--- /dev/null
+++ b/camel/providers/MH/mh-uid.c
@@ -0,0 +1,68 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/* 
+ *
+ * Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@aful.org> .
+ *
+ * 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 Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include "mh-uid.h"
+#include "camel-stream.h"
+#include "camel-stream-fs.h"
+#include "camel-stream-buffered-fs.h"
+#include "gmime-utils.h"
+#include "md5-utils.h"
+
+guchar *
+mh_uid_get_for_file (gchar *filename)
+{
+	CamelStream *message_stream;
+	GArray *header_array;
+	Rfc822Header *cur_header;
+	int i;
+	MD5Context ctx;
+	guchar *md5_digest_uid;
+
+
+	message_stream = camel_stream_buffered_fs_new_with_name (filename, 
+								 CAMEL_STREAM_BUFFERED_FS_READ);
+	header_array = get_header_array_from_stream (message_stream);
+	gtk_object_unref (GTK_OBJECT (message_stream));
+	
+	md5_init (&ctx);
+	for (i=0; i<header_array->len; i++) {
+		cur_header = (Rfc822Header *)header_array->data + i;
+		if (!g_strcasecmp (cur_header->name, "subject")) {
+			md5_update (&ctx, cur_header->value, strlen (cur_header->value));
+		} else if (!g_strcasecmp (cur_header->name, "sender")) {
+			md5_update (&ctx, cur_header->value, strlen (cur_header->value));
+		} else if (!g_strcasecmp (cur_header->name, "date")) {
+			md5_update (&ctx, cur_header->value, strlen (cur_header->value));			
+		}
+		
+		g_free (cur_header->name);
+		g_free (cur_header->value);
+		
+	}
+	
+	g_array_free (header_array, TRUE);
+	
+	md5_digest_uid = g_new0 (guchar, 16);
+	md5_final (md5_digest_uid, &ctx);
+
+	return md5_digest_uid;
+}