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
|
/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include <inttypes.h>
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <time.h>
#include "imap.h"
struct Address {
char *name;
const char *mailbox;
const char *host;
};
static inline const char *addressName(struct Address addr) {
return (addr.name ? addr.name : addr.mailbox);
}
struct AddressList {
size_t len;
struct Address *addrs;
};
struct Envelope {
time_t time;
const char *date;
char *subject;
struct Address from, sender, replyTo;
struct AddressList to, cc, bcc;
const char *inReplyTo;
const char *messageID;
};
static inline void envelopeFree(struct Envelope envelope) {
free(envelope.subject);
free(envelope.from.name);
free(envelope.sender.name);
free(envelope.replyTo.name);
for (size_t i = 0; i < envelope.to.len; ++i) {
free(envelope.to.addrs[i].name);
}
for (size_t i = 0; i < envelope.cc.len; ++i) {
free(envelope.cc.addrs[i].name);
}
for (size_t i = 0; i < envelope.bcc.len; ++i) {
free(envelope.bcc.addrs[i].name);
}
free(envelope.to.addrs);
free(envelope.cc.addrs);
free(envelope.bcc.addrs);
}
struct BodyPart {
bool multipart;
union {
const char *type;
struct {
size_t len;
struct BodyPart *ptr;
} parts;
};
const char *subtype;
struct List params;
const char *id;
const char *description;
const char *encoding;
uint32_t size;
struct {
struct Envelope *envelope;
struct BodyPart *structure;
uint32_t lines;
} message;
struct {
uint32_t lines;
} text;
const char *md5;
struct {
const char *type;
struct List params;
} disposition;
struct List language;
struct List location;
};
static inline bool bodyPartType(
const struct BodyPart *part, const char *type, const char *subtype
) {
const char *partType = (part->multipart ? "multipart" : part->type);
return !strcasecmp(partType, type) && !strcasecmp(part->subtype, subtype);
}
static inline void bodyPartFree(struct BodyPart part) {
if (part.multipart) {
for (size_t i = 0; i < part.parts.len; ++i) {
bodyPartFree(part.parts.ptr[i]);
}
}
if (part.message.envelope) {
envelopeFree(*part.message.envelope);
free(part.message.envelope);
}
if (part.message.structure) {
bodyPartFree(*part.message.structure);
free(part.message.structure);
}
}
void parseEnvelope(struct Envelope *envelope, struct List list);
void parseBodyPart(struct BodyPart *part, struct List list);
bool exportFetch(FILE *imap, enum Atom tag, struct List threads);
bool exportData(FILE *imap, enum Atom tag, struct List items);
extern const char *concatHead;
void concatFetch(FILE *imap, enum Atom tag, struct List threads);
void concatData(struct List threads, struct List items);
#define TEMPLATE(...) #__VA_ARGS__
struct Variable {
const char *name;
const char *value;
};
typedef int EscapeFn(FILE *file, const char *str);
int escapeURL(FILE *file, const char *str);
int escapeXML(FILE *file, const char *str);
int templateRender(
FILE *file, const char *template,
const struct Variable vars[], EscapeFn *escape
);
char *templateBuffer(
char *buf, size_t cap, const char *template,
const struct Variable vars[], EscapeFn *escape
);
char *templateURL(const char *template, const struct Variable vars[]);
char *decodeHeader(const char *header);
char *decodeToString(const struct BodyPart *part, const char *content);
int decodeToFile(FILE *file, const struct BodyPart *part, const char *content);
struct Attachment {
char path[3][NAME_MAX + 1];
};
static inline const char *pathUID(uint32_t uid, const char *type) {
static char buf[PATH_MAX + 1];
snprintf(buf, sizeof(buf), "UID/%" PRIu32 ".%s", uid, type);
return buf;
}
static inline const char *pathSafe(const char *messageID) {
if (!strchr(messageID, '/')) return messageID;
static char buf[NAME_MAX + 1];
strlcpy(buf, messageID, sizeof(buf));
for (char *ptr = buf; (ptr = strchr(ptr, '/')); ++ptr) {
*ptr = ';';
}
return buf;
}
static inline const char *pathMessage(const char *messageID, const char *type) {
static char buf[PATH_MAX + 1];
snprintf(buf, sizeof(buf), "message/%s.%s", pathSafe(messageID), type);
return buf;
}
static inline const char *pathThread(const char *messageID, const char *type) {
static char buf[PATH_MAX + 1];
snprintf(buf, sizeof(buf), "thread/%s.%s", pathSafe(messageID), type);
return buf;
}
#define MBOX_HEADERS \
"Date Subject From Sender Reply-To To Cc Bcc " \
"Message-Id In-Reply-To References " \
"MIME-Version Content-Type Content-Disposition Content-Transfer-Encoding"
int mboxFrom(FILE *file);
int mboxHeader(FILE *file, const char *header);
int mboxBody(FILE *file, const char *body);
extern const char *atomBaseURL;
int atomEntryOpen(FILE *file, const struct Envelope *envelope);
int atomContent(FILE *file, const char *content);
int atomEntryClose(FILE *file);
int atomFeedOpen(FILE *file, const struct Envelope *envelope);
int atomFeedClose(FILE *file);
extern const char *htmlTitle;
int htmlMessageOpen(FILE *file, const struct Envelope *envelope);
int htmlInline(FILE *file, const struct BodyPart *part, const char *content);
int htmlAttachment(
FILE *file, const struct BodyPart *part, const struct Attachment *attach
);
int htmlMessageClose(FILE *file);
int htmlThreadHead(FILE *file, const struct Envelope *envelope);
int htmlThreadOpen(FILE *file, const struct Envelope *envelope);
int htmlSubthreadOpen(FILE *file, struct List thread);
int htmlSubthreadClose(FILE *file);
int htmlThreadClose(FILE *file);
|