Journaling code is finished. Still needs configuration settings.
[citadel.git] / citadel / journaling.c
1 /*
2  * $Id:  $
3  *
4  * Message journaling functions.
5  *
6  */
7
8 #include "sysdep.h"
9 #include <stdlib.h>
10 #include <unistd.h>
11 #include <stdio.h>
12 #include <fcntl.h>
13
14 #if TIME_WITH_SYS_TIME
15 # include <sys/time.h>
16 # include <time.h>
17 #else
18 # if HAVE_SYS_TIME_H
19 #  include <sys/time.h>
20 # else
21 #  include <time.h>
22 # endif
23 #endif
24
25
26 #include <ctype.h>
27 #include <string.h>
28 #include <limits.h>
29 #include <errno.h>
30 #include <stdarg.h>
31 #include <sys/stat.h>
32 #include "citadel.h"
33 #include "server.h"
34 #include "serv_extensions.h"
35 #include "database.h"
36 #include "msgbase.h"
37 #include "support.h"
38 #include "sysdep_decls.h"
39 #include "citserver.h"
40 #include "room_ops.h"
41 #include "user_ops.h"
42 #include "file_ops.h"
43 #include "config.h"
44 #include "control.h"
45 #include "tools.h"
46 #include "mime_parser.h"
47 #include "html.h"
48 #include "genstamp.h"
49 #include "internet_addressing.h"
50 #include "journaling.h"
51
52 struct jnlq *jnlq = NULL;       /* journal queue */
53
54 /*
55  * Hand off a copy of a message to be journalized.
56  */
57 void JournalBackgroundSubmit(struct CtdlMessage *msg,
58                         char *saved_rfc822_version,
59                         struct recptypes *recps) {
60
61         struct jnlq *jptr = NULL;
62
63         /* Avoid double journaling! */
64         if (msg->cm_fields['J'] != NULL) {
65                 free(saved_rfc822_version);
66                 return;
67         }
68
69         jptr = (struct jnlq *)malloc(sizeof(struct jnlq));
70         if (jptr == NULL) {
71                 free(saved_rfc822_version);
72                 return;
73         }
74         memset(jptr, 0, sizeof(struct jnlq));
75         if (recps != NULL) memcpy(&jptr->recps, recps, sizeof(struct recptypes));
76         if (msg->cm_fields['A'] != NULL) jptr->from = strdup(msg->cm_fields['A']);
77         if (msg->cm_fields['N'] != NULL) jptr->node = strdup(msg->cm_fields['N']);
78         if (msg->cm_fields['F'] != NULL) jptr->rfca = strdup(msg->cm_fields['F']);
79         if (msg->cm_fields['U'] != NULL) jptr->subj = strdup(msg->cm_fields['U']);
80         if (msg->cm_fields['I'] != NULL) jptr->msgn = strdup(msg->cm_fields['I']);
81         jptr->rfc822 = saved_rfc822_version;
82
83         /* Add to the queue */
84         begin_critical_section(S_JOURNAL_QUEUE);
85         jptr->next = jnlq;
86         jnlq = jptr;
87         end_critical_section(S_JOURNAL_QUEUE);
88 }
89
90
91 /*
92  * Called by JournalRunQueue() to send an individual message.
93  */
94 void JournalRunQueueMsg(struct jnlq *jmsg) {
95
96         struct CtdlMessage *journal_msg = NULL;
97         struct recptypes *journal_recps = NULL;
98         char *message_text = NULL;
99         char mime_boundary[256];
100         char recipient[256];
101         static int seq = 0;
102         int i;
103
104         journal_recps = validate_recipients("FIXME@example.com");       /* FIXME */
105         if (journal_recps != NULL) {
106
107                 if (  (journal_recps->num_local > 0)
108                    || (journal_recps->num_internet > 0)
109                    || (journal_recps->num_ignet > 0)
110                    || (journal_recps->num_room > 0)
111                 ) {
112
113                         /*
114                          * Construct journal message.
115                          * Note that we are transferring ownership of some of the memory here.
116                          */
117                         journal_msg = malloc(sizeof(struct CtdlMessage));
118                         memset(journal_msg, 0, sizeof(struct CtdlMessage));
119                         journal_msg->cm_magic = CTDLMESSAGE_MAGIC;
120                         journal_msg->cm_anon_type = MES_NORMAL;
121                         journal_msg->cm_format_type = FMT_RFC822;
122                         journal_msg->cm_fields['J'] = strdup("is journal");
123                         journal_msg->cm_fields['A'] = jmsg->from;
124                         journal_msg->cm_fields['N'] = jmsg->node;
125                         journal_msg->cm_fields['F'] = jmsg->rfca;
126                         journal_msg->cm_fields['U'] = jmsg->subj;
127
128                         sprintf(mime_boundary, "--Citadel-Journal-%08lx-%04x--", time(NULL), ++seq);
129                         message_text = malloc(strlen(jmsg->rfc822) + sizeof(struct recptypes) + 1024);
130
131                         sprintf(message_text,
132                                 "Content-type: multipart/mixed; boundary=\"%s\"\r\n"
133                                 "MIME-Version: 1.0\r\n"
134                                 "\n"
135                                 "--%s\r\n"
136                                 "Content-type: text/plain\r\n"
137                                 "\r\n"
138                                 "Sender: %s "
139                         ,
140                                 mime_boundary,
141                                 mime_boundary,
142                                 ( journal_msg->cm_fields['A'] ? journal_msg->cm_fields['A'] : "(null)" )
143                         );
144
145                         if (journal_msg->cm_fields['F']) {
146                                 sprintf(&message_text[strlen(message_text)], "<%s>",
147                                         journal_msg->cm_fields['F']);
148                         }
149                         else if (journal_msg->cm_fields['N']) {
150                                 sprintf(&message_text[strlen(message_text)], "@ %s",
151                                         journal_msg->cm_fields['N']);
152                         }
153
154                         sprintf(&message_text[strlen(message_text)],
155                                 "\r\n"
156                                 "Message-ID: <%s>\r\n"
157                                 "Recipients:\r\n"
158                         ,
159                                 jmsg->msgn
160                         );
161
162                         if (journal_recps->num_local > 0) {
163                                 for (i=0; i<journal_recps->num_local; ++i) {
164                                         extract_token(recipient, journal_recps->recp_local,
165                                                         i, '|', sizeof recipient);
166                                         sprintf(&message_text[strlen(message_text)],
167                                                 "       %s\r\n", recipient);
168                                 }
169                         }
170
171                         if (journal_recps->num_ignet > 0) {
172                                 for (i=0; i<journal_recps->num_ignet; ++i) {
173                                         extract_token(recipient, journal_recps->recp_ignet,
174                                                         i, '|', sizeof recipient);
175                                         sprintf(&message_text[strlen(message_text)],
176                                                 "       %s\r\n", recipient);
177                                 }
178                         }
179
180                         if (journal_recps->num_internet > 0) {
181                                 for (i=0; i<journal_recps->num_internet; ++i) {
182                                         extract_token(recipient, journal_recps->recp_internet,
183                                                         i, '|', sizeof recipient);
184                                         sprintf(&message_text[strlen(message_text)],
185                                                 "       %s\r\n", recipient);
186                                 }
187                         }
188
189                         sprintf(&message_text[strlen(message_text)],
190                                 "\r\n"
191                                 "--%s\r\n"
192                                 "Content-type: message/rfc822\r\n"
193                                 "\r\n"
194                                 "%s"
195                                 "--%s--\r\n"
196                         ,
197                                 mime_boundary,
198                                 jmsg->rfc822,
199                                 mime_boundary
200                         );
201
202                         journal_msg->cm_fields['M'] = message_text;
203                         free(jmsg->rfc822);
204                         free(jmsg->msgn);
205                         
206                         /* Submit journal message */
207                         CtdlSubmitMsg(journal_msg, journal_recps, "");
208                         CtdlFreeMessage(journal_msg);
209                 }
210
211                 free(journal_recps);
212         }
213
214         /* We are responsible for freeing this memory. */
215         free(jmsg);
216 }
217
218
219 /*
220  * Run the queue.
221  */
222 void JournalRunQueue(void) {
223         struct jnlq *jptr;
224
225         while (jnlq != NULL) {
226                 begin_critical_section(S_JOURNAL_QUEUE);
227                 if (jnlq != NULL) {
228                         jptr = jnlq;
229                         jnlq = jnlq->next;
230                 }
231                 end_critical_section(S_JOURNAL_QUEUE);
232                 JournalRunQueueMsg(jptr);
233         }
234 }
235
236