aboutsummaryrefslogtreecommitdiffstats
path: root/camel/providers/local/camel-mh-folder.c
blob: eb3cc8f3bf2798bd61b45f03575d6dd38a1b2226 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*-
 *
 * Authors: Michael Zucchi <notzed@ximian.com>
 *
 * Copyright (C) 1999, 2000 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 Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>

#include "camel-mh-folder.h"
#include "camel-mh-store.h"
#include "string-utils.h"
#include "camel-stream-fs.h"
#include "camel-mh-summary.h"
#include "camel-data-wrapper.h"
#include "camel-mime-message.h"
#include "camel-exception.h"

#define d(x) /*(printf("%s(%d): ", __FILE__, __LINE__),(x))*/

static CamelLocalFolderClass *parent_class = NULL;

/* Returns the class for a CamelMhFolder */
#define CMHF_CLASS(so) CAMEL_MH_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so))
#define CMHS_CLASS(so) CAMEL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so))

static CamelLocalSummary *mh_create_summary(const char *path, const char *folder, ibex *index);

static void mh_append_message(CamelFolder * folder, CamelMimeMessage * message, const CamelMessageInfo *info, CamelException * ex);
static CamelMimeMessage *mh_get_message(CamelFolder * folder, const gchar * uid, CamelException * ex);

static void mh_finalize(CamelObject * object);

static void camel_mh_folder_class_init(CamelObjectClass * camel_mh_folder_class)
{
    CamelFolderClass *camel_folder_class = CAMEL_FOLDER_CLASS(camel_mh_folder_class);
    CamelLocalFolderClass *lclass = (CamelLocalFolderClass *)camel_mh_folder_class;

    parent_class = CAMEL_LOCAL_FOLDER_CLASS (camel_type_get_global_classfuncs(camel_local_folder_get_type()));

    /* virtual method definition */

    /* virtual method overload */
    camel_folder_class->append_message = mh_append_message;
    camel_folder_class->get_message = mh_get_message;

    lclass->create_summary = mh_create_summary;
}

static void mh_init(gpointer object, gpointer klass)
{
    /*CamelFolder *folder = object;
      CamelMhFolder *mh_folder = object;*/
}

static void mh_finalize(CamelObject * object)
{
    /*CamelMhFolder *mh_folder = CAMEL_MH_FOLDER(object);*/
}

CamelType camel_mh_folder_get_type(void)
{
    static CamelType camel_mh_folder_type = CAMEL_INVALID_TYPE;

    if (camel_mh_folder_type == CAMEL_INVALID_TYPE) {
        camel_mh_folder_type = camel_type_register(CAMEL_LOCAL_FOLDER_TYPE, "CamelMhFolder",
                               sizeof(CamelMhFolder),
                               sizeof(CamelMhFolderClass),
                               (CamelObjectClassInitFunc) camel_mh_folder_class_init,
                               NULL,
                               (CamelObjectInitFunc) mh_init,
                               (CamelObjectFinalizeFunc) mh_finalize);
    }

    return camel_mh_folder_type;
}

CamelFolder *
camel_mh_folder_new(CamelStore *parent_store, const char *full_name, guint32 flags, CamelException *ex)
{
    CamelFolder *folder;

    d(printf("Creating mh folder: %s\n", full_name));

    folder = (CamelFolder *)camel_object_new(CAMEL_MH_FOLDER_TYPE);
    folder = (CamelFolder *)camel_local_folder_construct((CamelLocalFolder *)folder,
                                 parent_store, full_name, flags, ex);

    return folder;
}

static CamelLocalSummary *mh_create_summary(const char *path, const char *folder, ibex *index)
{
    return (CamelLocalSummary *)camel_mh_summary_new(path, folder, index);
}

static void
mh_append_message (CamelFolder *folder, CamelMimeMessage *message, const CamelMessageInfo *info, CamelException *ex)
{
    CamelMhFolder *mh_folder = (CamelMhFolder *)folder;
    CamelLocalFolder *lf = (CamelLocalFolder *)folder;
    CamelStream *output_stream;
    CamelMessageInfo *mi;
    char *name;

    /* FIXME: probably needs additional locking (although mh doesn't appear do do it) */

    d(printf("Appending message\n"));

    /* add it to the summary/assign the uid, etc */
    mi = camel_local_summary_add((CamelLocalSummary *)folder->summary, message, info, lf->changes, ex);
    if (camel_exception_is_set (ex))
        return;
    
    d(printf("Appending message: uid is %s\n", camel_message_info_uid(mi)));
    
    /* write it out, use the uid we got from the summary */
    name = g_strdup_printf("%s/%s", lf->folder_path, camel_message_info_uid(mi));
    output_stream = camel_stream_fs_new_with_name(name, O_WRONLY|O_CREAT, 0600);
    if (output_stream == NULL)
        goto fail_write;
    
    if (camel_data_wrapper_write_to_stream ((CamelDataWrapper *)message, output_stream) == -1
        || camel_stream_close (output_stream) == -1)
        goto fail_write;
    
    /* close this? */
    camel_object_unref (CAMEL_OBJECT (output_stream));

    g_free(name);
    
    camel_object_trigger_event (CAMEL_OBJECT (folder), "folder_changed",
                    ((CamelLocalFolder *)mh_folder)->changes);
    camel_folder_change_info_clear (((CamelLocalFolder *)mh_folder)->changes);
    
    return;
    
 fail_write:
    
    /* remove the summary info so we are not out-of-sync with the mh folder */
    camel_folder_summary_remove_uid (CAMEL_FOLDER_SUMMARY (folder->summary),
                     camel_message_info_uid (mi));
    
    if (errno == EINTR)
        camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL,
                     _("MH append message cancelled"));
    else
        camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
                      _("Cannot append message to mh folder: %s: %s"),
                      name, g_strerror (errno));
    
    if (output_stream) {
        camel_object_unref (CAMEL_OBJECT (output_stream));
        unlink (name);
    }
    
    g_free (name);
}

static CamelMimeMessage *mh_get_message(CamelFolder * folder, const gchar * uid, CamelException * ex)
{
    CamelLocalFolder *lf = (CamelLocalFolder *)folder;
    CamelStream *message_stream = NULL;
    CamelMimeMessage *message = NULL;
    CamelMessageInfo *info;
    char *name;

    d(printf("getting message: %s\n", uid));

    /* get the message summary info */
    if ((info = camel_folder_summary_uid(folder->summary, uid)) == NULL) {
        camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID, _("Cannot get message: %s\n  %s"), uid, _("No such message"));
        return NULL;
    }

    /* we only need it to check the message exists */
    camel_folder_summary_info_free(folder->summary, info);

    name = g_strdup_printf("%s/%s", lf->folder_path, uid);
    if ((message_stream = camel_stream_fs_new_with_name(name, O_RDONLY, 0)) == NULL) {
        camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID, _("Cannot get message: %s\n  %s"),
                     name, g_strerror(errno));
        g_free(name);
        return NULL;
    }

    message = camel_mime_message_new();
    if (camel_data_wrapper_construct_from_stream((CamelDataWrapper *)message, message_stream) == -1) {
        camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID, _("Cannot get message: %s\n  %s"),
                     name, _("Invalid message contents"));
        g_free(name);
        camel_object_unref((CamelObject *)message_stream);
        camel_object_unref((CamelObject *)message);
        return NULL;

    }
    camel_object_unref((CamelObject *)message_stream);
    g_free(name);

    return message;
}