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/* 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 <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 *contentID;
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 Data 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 char *paramGet(struct List params, const char *key) {
for (size_t i = 0; i + 1 < params.len; i += 2) {
if (!strcasecmp(dataCheck(params.ptr[i], String).string, key)) {
return dataCheck(params.ptr[i + 1], String).string;
}
}
return NULL;
}
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]);
}
free(part.parts.ptr);
}
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);
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);
#define PATH_UID "UID/[uid].[type]"
#define PATH_MESSAGE "message/[messageID].[type]"
#define PATH_THREAD "thread/[messageID].[type]"
#define PATH_ATTACHMENT \
"attachment/[messageID]/[section]/[name][disposition][.][subtype]"
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 Envelope *envelopes, struct List items
);
void concatThreads(struct List threads, const struct Envelope *envelopes);
void concatIndex(struct List threads, const struct Envelope *envelopes);
#define TEMPLATE(...) #__VA_ARGS__
struct Variable {
const char *name;
const char *value;
};
typedef int EscapeFn(FILE *file, const char *str);
int escapePath(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[]);
extern const char *baseURL;
extern const char *baseTitle;
extern const char *baseAddress;
#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);
int atomEntryOpen(FILE *file, const struct Envelope *envelope);
int atomContent(FILE *file, const char *content);
int atomEntryClose(FILE *file);
int atomThreadOpen(FILE *file, const struct Envelope *envelope);
int atomThreadClose(FILE *file);
int atomIndexOpen(FILE *file);
int atomIndexClose(FILE *file);
int htmlMessageOpen(FILE *file, const struct Envelope *envelope);
int htmlInline(FILE *file, const struct BodyPart *part, const char *content);
int htmlAttachmentOpen(FILE *file);
int htmlAttachment(
FILE *file, const struct BodyPart *part, const struct Variable pathVars[]
);
int htmlAttachmentClose(FILE *file);
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);
int htmlIndexHead(FILE *file);
int htmlIndexOpen(FILE *file);
int htmlIndexThread(
FILE *file, const struct Envelope *envelope, struct List thread
);
int htmlIndexClose(FILE *file);
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