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profanity/src/database.c

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/*
* database.c
* vim: expandtab:ts=4:sts=4:sw=4
*
* Copyright (C) 2020 Michael Vetter <jubalh@idoru.org>
*
* This file is part of Profanity.
*
* Profanity 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.
*
* Profanity 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 Profanity. If not, see <https://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#define _GNU_SOURCE 1
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#include <sys/stat.h>
#include <sqlite3.h>
#include <stdio.h>
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#include <errno.h>
#include "log.h"
#include "config/files.h"
static sqlite3 *g_chatlog_database;
static void _add_to_db(ProfMessage *message, const char * const type, const char * const from_jid, const char * const to_jid);
static char* _get_db_filename(ProfAccount *account);
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static char*
_get_db_filename(ProfAccount *account)
{
char *databasedir = files_get_data_path(DIR_DATABASE);
GString *basedir = g_string_new(databasedir);
free(databasedir);
g_string_append(basedir, "/");
gchar *account_dir = str_replace(account->jid, "@", "_at_");
g_string_append(basedir, account_dir);
free(account_dir);
int res = g_mkdir_with_parents(basedir->str, S_IRWXU);
if (res == -1) {
char *errmsg = strerror(errno);
if (errmsg) {
log_error("DATABASE: error creating directory: %s, %s", basedir->str, errmsg);
} else {
log_error("DATABASE: creating directory: %s", basedir->str);
}
g_string_free(basedir, TRUE);
return NULL;
}
g_string_append(basedir, "/chatlog.db");
char *result = strdup(basedir->str);
g_string_free(basedir, TRUE);
return result;
}
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gboolean
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log_database_init(ProfAccount *account)
{
int ret = sqlite3_initialize();
if (ret != SQLITE_OK) {
log_error("Error initializing SQLite database: %d", ret);
return FALSE;
}
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char *filename = _get_db_filename(account);
if (!filename) {
return FALSE;
}
ret = sqlite3_open(filename, &g_chatlog_database);
if (ret != SQLITE_OK) {
const char *err_msg = sqlite3_errmsg(g_chatlog_database);
log_error("Error opening SQLite database: %s", err_msg);
free(filename);
return FALSE;
}
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char *err_msg;
// id is the ID of DB the entry
// from_jid is the senders jid
// to_jid is the receivers jid
// from_resource is the senders resource
// to_jid is the receivers resource
// message is the message text
// timestamp the timestamp like "2020/03/24 11:12:14"
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// type is there to distinguish: message (chat), MUC message (muc), muc pm (mucpm)
// stanza_id is the ID from XEP-0359: Unique and Stable Stanza IDs
// archive_id is the ID from XEP-0313: Message Archive Management
// replace_id is the ID from XEP-0308: Last Message Correction
// encryption is to distinguish: none, omemo, otr, pgp
// marked_read is 0/1 whether a message has been marked as read via XEP-0333: Chat Markers
char *query = "CREATE TABLE IF NOT EXISTS `ChatLogs` ( `id` INTEGER PRIMARY KEY AUTOINCREMENT, `from_jid` TEXT NOT NULL, `to_jid` TEXT NOT NULL, `from_resource` TEXT, `to_resource` TEXT, `message` TEXT, `timestamp` TEXT, `type` TEXT, `stanza_id` TEXT, `archive_id` TEXT, `replace_id` TEXT, `encryption` TEXT, `marked_read` INTEGER)";
if( SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
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goto out;
}
query = "CREATE TABLE IF NOT EXISTS `DbVersion` ( `dv_id` INTEGER PRIMARY KEY, `version` INTEGER UNIQUE)";
if( SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
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goto out;
}
query = "INSERT OR IGNORE INTO `DbVersion` (`version`) VALUES('1')";
if( SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
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goto out;
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}
log_debug("Initialized SQLite database: %s", filename);
free(filename);
return TRUE;
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out:
if (err_msg) {
log_error("SQLite error: %s", err_msg);
sqlite3_free(err_msg);
} else {
log_error("Unknown SQLite error");
}
free(filename);
return FALSE;
}
void
log_database_close(void)
{
if (g_chatlog_database) {
sqlite3_close(g_chatlog_database);
sqlite3_shutdown();
g_chatlog_database = NULL;
}
}
static void
_log_database_add_incoming(ProfMessage *message, const char * const type)
{
const char *jid = connection_get_fulljid();
Jid *myjid = jid_create(jid);
_add_to_db(message, type, message->jid->barejid, myjid->barejid);
jid_destroy(myjid);
}
void
log_database_add_incoming_chat(ProfMessage *message) {
_log_database_add_incoming(message, "chat");
}
void
log_database_add_incoming_muc(ProfMessage *message) {
_log_database_add_incoming(message, "muc");
}
void
log_database_add_incoming_muc_pm(ProfMessage *message) {
_log_database_add_incoming(message, "mucpm");
}
static void
_log_database_add_outgoing(const char * const type, const char * const id, const char * const barejid, const char * const message, const char *const replace_id, prof_enc_t enc)
{
ProfMessage *msg = message_init();
msg->id = id ? strdup(id) : NULL;
msg->jid = jid_create(barejid);
msg->plain = message ? strdup(message) : NULL;
msg->replace_id = replace_id ? strdup(replace_id) : NULL;
msg->timestamp = g_date_time_new_now_local(); //TODO: get from outside. best to have whole ProfMessage from outside
msg->enc = enc;
const char *jid = connection_get_fulljid();
Jid *myjid = jid_create(jid);
_add_to_db(msg, type, myjid->barejid, msg->jid->barejid);
jid_destroy(myjid);
message_free(msg);
}
void
log_database_add_outgoing_chat(const char * const id, const char * const barejid, const char * const message, const char *const replace_id, prof_enc_t enc)
{
_log_database_add_outgoing("chat", id, barejid, message, replace_id, enc);
}
void
log_database_add_outgoing_muc(const char * const id, const char * const barejid, const char * const message, const char *const replace_id, prof_enc_t enc)
{
_log_database_add_outgoing("muc", id, barejid, message, replace_id, enc);
}
void
log_database_add_outgoing_muc_pm(const char * const id, const char * const barejid, const char * const message, const char *const replace_id, prof_enc_t enc)
{
_log_database_add_outgoing("mucpm", id, barejid, message, replace_id, enc);
}
static void
_add_to_db(ProfMessage *message, const char * const type, const char * const from_jid, const char * const to_jid)
{
if (!g_chatlog_database) {
log_debug("log_database_add() called but db is not initialized");
return;
}
char *err_msg;
char *query;
//gchar *date_fmt = g_date_time_format_iso8601(message->timestamp);
gchar *date_fmt = g_date_time_format(message->timestamp, "%Y/%m/%d %H:%M:%S");
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if (asprintf(&query, "INSERT INTO `ChatLogs` (`from_jid`, `from_resource`, `to_jid`, `message`, `timestamp`, `stanza_id`, `replace_id`, `type`) VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
from_jid,
"test" /*message->jid->resourcepart*/,
to_jid,
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message->plain,
date_fmt,
message->id ? message->id : "",
message->replace_id ? message->replace_id : "",
type) == -1) {
log_error("log_database_add(): could not allocate memory");
return;
}
g_free(date_fmt);
if( SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
if (err_msg) {
log_error("SQLite error: %s", err_msg);
sqlite3_free(err_msg);
} else {
log_error("Unknown SQLite error");
}
}
free(query);
}