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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* e-cert.c
 *
 * Copyright (C) 2003 Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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.
 *
 * Author: Chris Toshok (toshok@ximian.com)
 */

/* The following is the mozilla license blurb, as the bodies some of
   these functions were derived from the mozilla source. */

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape security libraries.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 *
 */

#include "e-cert.h"
#include "pk11func.h"
#include "certdb.h"

struct _ECertPrivate {
    CERTCertificate *cert;

    /* pointers we cache since the nss implementation allocs the
       string */
    char *org_name;
    char *cn;

    gboolean delete;
};

#define PARENT_TYPE G_TYPE_OBJECT
static GObjectClass *parent_class;

static void
e_cert_dispose (GObject *object)
{
    ECert *ec = E_CERT (object);

    if (!ec->priv)
        return;

    if (ec->priv->org_name)
        PORT_Free (ec->priv->org_name);
    if (ec->priv->cn)
        PORT_Free (ec->priv->cn);

    if (ec->priv->delete) {
        printf ("attempting to delete cert marked for deletion\n");
        if (e_cert_get_cert_type (ec) == E_CERT_USER) {
            PK11_DeleteTokenCertAndKey(ec->priv->cert, NULL);
        } else if (!PK11_IsReadOnly(ec->priv->cert->slot)) {
            /* If the list of built-ins does contain a non-removable
               copy of this certificate, our call will not remove
               the certificate permanently, but rather remove all trust. */
            SEC_DeletePermCertificate(ec->priv->cert);
        }
    }

    g_free (ec->priv);
    ec->priv = NULL;
    
    if (G_OBJECT_CLASS (parent_class)->dispose)
        G_OBJECT_CLASS (parent_class)->dispose (object);
}

static void
e_cert_class_init (ECertClass *klass)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS(klass);

    parent_class = g_type_class_ref (PARENT_TYPE);

    object_class->dispose = e_cert_dispose;
}

static void
e_cert_init (ECert *ec)
{
    ec->priv = g_new0 (ECertPrivate, 1);
}

GType
e_cert_get_type (void)
{
    static GType cert_type = 0;

    if (!cert_type) {
        static const GTypeInfo cert_info =  {
            sizeof (ECertClass),
            NULL,           /* base_init */
            NULL,           /* base_finalize */
            (GClassInitFunc) e_cert_class_init,
            NULL,           /* class_finalize */
            NULL,           /* class_data */
            sizeof (ECert),
            0,             /* n_preallocs */
            (GInstanceInitFunc) e_cert_init,
        };

        cert_type = g_type_register_static (PARENT_TYPE, "ECert", &cert_info, 0);
    }

    return cert_type;
}



static void
e_cert_populate (ECert *cert)
{
    CERTCertificate *c = cert->priv->cert;
    cert->priv->org_name = CERT_GetOrgName (&c->subject);
    cert->priv->cn = CERT_GetCommonName (&c->subject);
}

ECert*
e_cert_new (CERTCertificate *cert)
{
    ECert *ecert = E_CERT (g_object_new (E_TYPE_CERT, NULL));

    ecert->priv->cert = cert;

    e_cert_populate (ecert);

    return ecert;
}

ECert*
e_cert_new_from_der (char *data, guint32 len)
{
    CERTCertificate *cert = CERT_DecodeCertFromPackage (data, len);

    if (!cert)
        return NULL;

    if (cert->dbhandle == NULL)
        cert->dbhandle = CERT_GetDefaultCertDB();

    return e_cert_new (cert);
}




CERTCertificate*
e_cert_get_internal_cert (ECert *cert)
{
    /* XXX should this refcnt it? */
    return cert->priv->cert;
}

gboolean
e_cert_get_raw_der (ECert *cert, char **data, guint32 *len)
{
    /* XXX do we really need to check if cert->priv->cert is NULL
       here?  it should always be non-null if we have the
       ECert.. */
    if (cert->priv->cert) {
        *data = (char*)cert->priv->cert->derCert.data;
        *len = (guint32)cert->priv->cert->derCert.len;
        return TRUE;
    }

    *len = 0;
    return FALSE;

}

const char*
e_cert_get_nickname (ECert *cert)
{
    return cert->priv->cert->nickname;
}

const char*
e_cert_get_email    (ECert *cert)
{
}

const char*
e_cert_get_org      (ECert *cert)
{
    return cert->priv->org_name;
}

const char*
e_cert_get_cn       (ECert *cert)
{
    return cert->priv->cn;
}

const char*
e_cert_get_issuer_name (ECert *cert)
{
    return cert->priv->cert->issuerName;
}

const char*
e_cert_get_subject_name (ECert *cert)
{
    return cert->priv->cert->subjectName;
}

gboolean
e_cert_mark_for_deletion (ECert *cert)
{
    //  nsNSSShutDownPreventionLock locker;

#if 0
    // make sure user is logged in to the token
    nsCOMPtr<nsIInterfaceRequestor> ctx = new PipUIContext();
#endif

    if (PK11_NeedLogin(cert->priv->cert->slot)
        && !PK11_NeedUserInit(cert->priv->cert->slot)
        && !PK11_IsInternal(cert->priv->cert->slot)) {
        if (SECSuccess != PK11_Authenticate(cert->priv->cert->slot, PR_TRUE, NULL)) {
            return FALSE;
        }
    }

    cert->priv->delete = TRUE;

    return TRUE;
}

ECertType
e_cert_get_cert_type (ECert *cert)
{
    if (CERT_IsCACert (cert->priv->cert, NULL))
        return E_CERT_CA;
    else /* XXX more here */
        return E_CERT_USER;
}