citadel
About: Citadel is an advanced messaging and collaboration system for groupware and BBS applications (preferred OS: Linux).
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serv_notes.c
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1/*
2 * Handles functions related to yellow sticky notes.
3 *
4 * Copyright (c) 2007-2012 by the citadel.org team
5 *
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 3.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15#include "sysdep.h"
16#include <stdlib.h>
17#include <unistd.h>
18#include <stdio.h>
19#include <fcntl.h>
20#include <signal.h>
21#include <pwd.h>
22#include <errno.h>
23#include <sys/types.h>
24#include <time.h>
25#include <sys/wait.h>
26#include <string.h>
27#include <limits.h>
28#include <libcitadel.h>
29#include "citadel.h"
30#include "server.h"
31#include "citserver.h"
32#include "support.h"
33#include "config.h"
34#include "user_ops.h"
35#include "database.h"
36#include "msgbase.h"
37#include "ctdl_module.h"
38
39
40/*
41 * Callback function for serv_notes_beforesave() hunts for a vNote in the MIME structure
42 */
43void notes_extract_vnote(char *name, char *filename, char *partnum, char *disp,
44 void *content, char *cbtype, char *cbcharset, size_t length,
45 char *encoding, char *cbid, void *cbuserdata)
46{
47 struct vnote **v = (struct vnote **) cbuserdata;
48
49 if (!strcasecmp(cbtype, "text/vnote")) {
50
51 syslog(LOG_DEBUG, "Part %s contains a vNote! Loading...\n", partnum);
52 if (*v != NULL) {
53 vnote_free(*v);
54 }
55 *v = vnote_new_from_str(content);
56 }
57}
58
59
60/*
61 * Before-save hook searches for two different types of notes (legacy Kolab/Aethera notes
62 * and modern vNote format notes) and does its best to learn the subject (summary)
63 * and EUID (uid) of the note for Citadel's own nefarious purposes.
64 */
65int serv_notes_beforesave(struct CtdlMessage *msg, struct recptypes *recp)
66{
67 char *p;
68 int a, i;
69 char uuid[512];
70 struct vnote *v = NULL;
71
72 /* First determine if this room has the "notes" view set */
73
74 if (CC->room.QRdefaultview != VIEW_NOTES) {
75 return(0); /* not notes; do nothing */
76 }
77
78 /* It must be an RFC822 message! */
79 if (msg->cm_format_type != 4) {
80 return(0); /* You tried to save a non-RFC822 message! */
81 }
82
83 /*
84 * If we are in a "notes" view room, and the client has sent an RFC822
85 * message containing an X-KOrg-Note-Id: field (Aethera does this, as
86 * do some Kolab clients) then set both the Subject and the Exclusive ID
87 * of the message to that. It's going to be a UUID so we want to replace
88 * any existing message containing that UUID.
89 */
90 strcpy(uuid, "");
91 p = msg->cm_fields[eMesageText];
92 a = msg->cm_lengths[eMesageText];
93 while (--a > 0) {
94 if (!strncasecmp(p, "X-KOrg-Note-Id: ", 16)) { /* Found it */
95 safestrncpy(uuid, p + 16, sizeof(uuid));
96 for (i = 0; uuid[i]; ++i) {
97 if ( (uuid[i] == '\r') || (uuid[i] == '\n') ) {
98 uuid[i] = 0;
99 break;
100 }
101 }
102
103 syslog(LOG_DEBUG, "UUID of note is: %s\n", uuid);
104 if (!IsEmptyStr(uuid)) {
105 CM_SetField(msg, eExclusiveID, uuid, strlen(uuid));
106
108 }
109 }
110 p++;
111 }
112
113 /* Modern clients are using vNote format. Check for one... */
114
115 mime_parser(CM_RANGE(msg, eMesageText),
117 NULL, NULL,
118 &v, /* user data ptr - put the vnote here */
119 0
120 );
121
122 if (v == NULL) return(0); /* no vNotes were found in this message */
123
124 /* Set the message EUID to the vNote UID */
125
126 if ((v->uid) && (!IsEmptyStr(v->uid))) {
127 syslog(LOG_DEBUG, "UID of vNote is: %s\n", v->uid);
128 CM_SetField(msg, eExclusiveID, v->uid, strlen(v->uid));
129 }
130
131 /* Set the message Subject to the vNote Summary */
132
133 if ((v->summary) && (!IsEmptyStr(v->summary))) {
134 CM_SetField(msg, eMsgSubject, v->summary, strlen(v->summary));
135
136 if (msg->cm_lengths[eMsgSubject] > 72) {
137 strcpy(&msg->cm_fields[eMsgSubject][68], "...");
138 CM_CutFieldAt(msg, eMsgSubject, 72);
139 }
140 }
141
142 vnote_free(v);
143
144 return(0);
145}
146
147
149{
150 if (!threading)
151 {
153 }
154
155 /* return our module name for the log */
156 return "notes";
157}
#define CC
Definition: context.h:140
void CtdlRegisterMessageHook(int(*handler)(struct CtdlMessage *, struct recptypes *), int EventType)
#define CTDL_MODULE_INIT(module_name)
Definition: ctdl_module.h:50
void CM_CopyField(struct CtdlMessage *Msg, eMsgField WhichToPutTo, eMsgField WhichtToCopy)
Definition: msgbase.c:197
void CM_SetField(struct CtdlMessage *Msg, eMsgField which, const char *buf, long length)
Definition: msgbase.c:142
void CM_CutFieldAt(struct CtdlMessage *Msg, eMsgField WhichToCut, long maxlen)
Definition: msgbase.c:164
#define CM_RANGE(Message, Which)
Definition: msgbase.h:127
int serv_notes_beforesave(struct CtdlMessage *msg, struct recptypes *recp)
Definition: serv_notes.c:65
void notes_extract_vnote(char *name, char *filename, char *partnum, char *disp, void *content, char *cbtype, char *cbcharset, size_t length, char *encoding, char *cbid, void *cbuserdata)
Definition: serv_notes.c:43
@ eExclusiveID
Definition: server.h:309
@ eMesageText
Definition: server.h:315
@ eMsgSubject
Definition: server.h:320
#define EVT_BEFORESAVE
Definition: server.h:231
long cm_lengths[256]
Definition: server.h:38
char * cm_fields[256]
Definition: server.h:37
char cm_format_type
Definition: server.h:36