mirror of
https://github.com/profanity-im/profanity.git
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362 lines
12 KiB
C
362 lines
12 KiB
C
/*
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* database.c
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* vim: expandtab:ts=4:sts=4:sw=4
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*
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* Copyright (C) 2020 Michael Vetter <jubalh@idoru.org>
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*
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* This file is part of Profanity.
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*
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* Profanity is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Profanity is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link the code of portions of this program with the OpenSSL library under
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* certain conditions as described in each individual source file, and
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* distribute linked combinations including the two.
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*
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* You must obey the GNU General Public License in all respects for all of the
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* code used other than OpenSSL. If you modify file(s) with this exception, you
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* may extend this exception to your version of the file(s), but you are not
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* obligated to do so. If you do not wish to do so, delete this exception
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* statement from your version. If you delete this exception statement from all
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* source files in the program, then also delete it here.
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*
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*/
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#define _GNU_SOURCE 1
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#include <sys/stat.h>
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#include <sqlite3.h>
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#include <glib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "log.h"
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#include "common.h"
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#include "config/files.h"
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static sqlite3* g_chatlog_database;
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static void _add_to_db(ProfMessage* message, char* type, const Jid* const from_jid, const Jid* const to_jid);
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static char* _get_db_filename(ProfAccount* account);
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static prof_msg_type_t _get_message_type_type(const char* const type);
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static char*
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_get_db_filename(ProfAccount* account)
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{
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gchar* database_dir = files_get_account_data_path(DIR_DATABASE, account->jid);
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int res = g_mkdir_with_parents(database_dir, S_IRWXU);
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if (res == -1) {
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const char* errmsg = strerror(errno);
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if (errmsg) {
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log_error("DATABASE: error creating directory: %s, %s", database_dir, errmsg);
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} else {
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log_error("DATABASE: creating directory: %s", database_dir);
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}
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g_free(database_dir);
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return NULL;
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}
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GString* chatlog_filename = g_string_new(database_dir);
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g_string_append(chatlog_filename, "/chatlog.db");
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gchar* result = g_strdup(chatlog_filename->str);
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g_string_free(chatlog_filename, TRUE);
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g_free(database_dir);
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return result;
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}
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gboolean
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log_database_init(ProfAccount* account)
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{
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int ret = sqlite3_initialize();
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if (ret != SQLITE_OK) {
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log_error("Error initializing SQLite database: %d", ret);
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return FALSE;
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}
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char* filename = _get_db_filename(account);
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if (!filename) {
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return FALSE;
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}
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ret = sqlite3_open(filename, &g_chatlog_database);
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if (ret != SQLITE_OK) {
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const char* err_msg = sqlite3_errmsg(g_chatlog_database);
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log_error("Error opening SQLite database: %s", err_msg);
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free(filename);
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return FALSE;
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}
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char* err_msg;
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// id is the ID of DB the entry
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// from_jid is the senders jid
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// to_jid is the receivers jid
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// from_resource is the senders resource
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// to_jid is the receivers resource
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// message is the message text
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// 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)
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// stanza_id is the ID in <message>
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// archive_id is the stanza-id from from XEP-0359: Unique and Stable Stanza IDs used for XEP-0313: Message Archive Management
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// replace_id is the ID from XEP-0308: Last Message Correction
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// encryption is to distinguish: none, omemo, otr, pgp
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// marked_read is 0/1 whether a message has been marked as read via XEP-0333: Chat Markers
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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)";
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if (SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
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goto out;
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}
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query = "CREATE TABLE IF NOT EXISTS `DbVersion` ( `dv_id` INTEGER PRIMARY KEY, `version` INTEGER UNIQUE)";
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if (SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
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goto out;
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}
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query = "INSERT OR IGNORE INTO `DbVersion` (`version`) VALUES('1')";
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if (SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
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goto out;
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}
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log_debug("Initialized SQLite database: %s", filename);
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free(filename);
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return TRUE;
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out:
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if (err_msg) {
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log_error("SQLite error: %s", err_msg);
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sqlite3_free(err_msg);
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} else {
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log_error("Unknown SQLite error");
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}
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free(filename);
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return FALSE;
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}
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void
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log_database_close(void)
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{
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if (g_chatlog_database) {
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sqlite3_close(g_chatlog_database);
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sqlite3_shutdown();
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g_chatlog_database = NULL;
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}
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}
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void
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log_database_add_incoming(ProfMessage* message)
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{
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if (message->to_jid) {
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_add_to_db(message, NULL, message->from_jid, message->to_jid);
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} else {
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const char* jid = connection_get_fulljid();
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Jid* myjid = jid_create(jid);
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_add_to_db(message, NULL, message->from_jid, myjid);
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jid_destroy(myjid);
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}
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}
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static void
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_log_database_add_outgoing(char* type, const char* const id, const char* const barejid, const char* const message, const char* const replace_id, prof_enc_t enc)
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{
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ProfMessage* msg = message_init();
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msg->id = id ? strdup(id) : NULL;
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msg->from_jid = jid_create(barejid);
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msg->plain = message ? strdup(message) : NULL;
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msg->replace_id = replace_id ? strdup(replace_id) : NULL;
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msg->timestamp = g_date_time_new_now_local(); //TODO: get from outside. best to have whole ProfMessage from outside
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msg->enc = enc;
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const char* jid = connection_get_fulljid();
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Jid* myjid = jid_create(jid);
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_add_to_db(msg, type, myjid, msg->from_jid); // TODO: myjid now in profmessage
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jid_destroy(myjid);
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message_free(msg);
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}
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void
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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)
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{
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_log_database_add_outgoing("chat", id, barejid, message, replace_id, enc);
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}
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void
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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)
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{
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_log_database_add_outgoing("muc", id, barejid, message, replace_id, enc);
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}
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void
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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)
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{
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_log_database_add_outgoing("mucpm", id, barejid, message, replace_id, enc);
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}
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GSList*
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log_database_get_previous_chat(const gchar* const contact_barejid)
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{
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sqlite3_stmt* stmt = NULL;
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char* query;
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const char* jid = connection_get_fulljid();
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Jid* myjid = jid_create(jid);
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if (asprintf(&query, "SELECT * FROM (SELECT `message`, `timestamp`, `from_jid`, `type` from `ChatLogs` WHERE (`from_jid` = '%s' AND `to_jid` = '%s') OR (`from_jid` = '%s' AND `to_jid` = '%s') ORDER BY `timestamp` DESC LIMIT 10) ORDER BY `timestamp` ASC;", contact_barejid, myjid->barejid, myjid->barejid, contact_barejid) == -1) {
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log_error("log_database_get_previous_chat(): SQL query. could not allocate memory");
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return NULL;
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}
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jid_destroy(myjid);
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int rc = sqlite3_prepare_v2(g_chatlog_database, query, -1, &stmt, NULL);
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if (rc != SQLITE_OK) {
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log_error("log_database_get_previous_chat(): unknown SQLite error");
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return NULL;
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}
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GSList* history = NULL;
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while (sqlite3_step(stmt) == SQLITE_ROW) {
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// TODO: also save to jid. since now part of profmessage
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char* message = (char*)sqlite3_column_text(stmt, 0);
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char* date = (char*)sqlite3_column_text(stmt, 1);
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char* from = (char*)sqlite3_column_text(stmt, 2);
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char* type = (char*)sqlite3_column_text(stmt, 3);
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ProfMessage* msg = message_init();
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msg->from_jid = jid_create(from);
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msg->plain = strdup(message);
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msg->timestamp = g_date_time_new_from_iso8601(date, NULL);
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msg->type = _get_message_type_type(type);
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// TODO: later we can get more fields like 'enc'. then we can display the history like regular chats with all info the user enabled.
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history = g_slist_append(history, msg);
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}
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sqlite3_finalize(stmt);
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free(query);
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return history;
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}
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static const char*
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_get_message_type_str(prof_msg_type_t type)
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{
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switch (type) {
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case PROF_MSG_TYPE_CHAT:
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return "chat";
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case PROF_MSG_TYPE_MUC:
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return "muc";
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case PROF_MSG_TYPE_MUCPM:
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return "mucpm";
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case PROF_MSG_TYPE_UNINITIALIZED:
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return NULL;
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}
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return NULL;
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}
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static prof_msg_type_t
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_get_message_type_type(const char* const type)
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{
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if (g_strcmp0(type, "chat") == 0) {
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return PROF_MSG_TYPE_CHAT;
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} else if (g_strcmp0(type, "muc") == 0) {
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return PROF_MSG_TYPE_MUC;
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} else if (g_strcmp0(type, "mucpm") == 0) {
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return PROF_MSG_TYPE_MUCPM;
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} else {
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return PROF_MSG_TYPE_UNINITIALIZED;
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}
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}
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static const char*
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_get_message_enc_str(prof_enc_t enc)
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{
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switch (enc) {
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case PROF_MSG_ENC_OX:
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return "ox";
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case PROF_MSG_ENC_PGP:
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return "pgp";
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case PROF_MSG_ENC_OTR:
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return "otr";
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case PROF_MSG_ENC_OMEMO:
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return "omemo";
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case PROF_MSG_ENC_NONE:
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return "none";
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}
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return "none"; // do not return none - return NULL
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}
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static void
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_add_to_db(ProfMessage* message, char* type, const Jid* const from_jid, const Jid* const to_jid)
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{
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if (!g_chatlog_database) {
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log_debug("log_database_add() called but db is not initialized");
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return;
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}
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char* err_msg;
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char* query;
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gchar* date_fmt;
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if (message->timestamp) {
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date_fmt = g_date_time_format_iso8601(message->timestamp);
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} else {
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date_fmt = g_date_time_format_iso8601(g_date_time_new_now_local());
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}
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const char* enc = _get_message_enc_str(message->enc);
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if (!type) {
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type = (char*)_get_message_type_str(message->type);
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}
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char* escaped_message = str_replace(message->plain, "'", "''");
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if (asprintf(&query, "INSERT INTO `ChatLogs` (`from_jid`, `from_resource`, `to_jid`, `to_resource`, `message`, `timestamp`, `stanza_id`, `archive_id`, `replace_id`, `type`, `encryption`) SELECT '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' WHERE NOT EXISTS (SELECT 1 FROM `ChatLogs` WHERE `archive_id` = '%s')",
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from_jid->barejid,
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from_jid->resourcepart ? from_jid->resourcepart : "",
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to_jid->barejid,
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to_jid->resourcepart ? to_jid->resourcepart : "",
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escaped_message,
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date_fmt,
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message->id ? message->id : "",
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message->stanzaid ? message->stanzaid : "",
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message->replace_id ? message->replace_id : "",
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type,
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enc,
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message->stanzaid)
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== -1) {
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log_error("log_database_add(): SQL query. could not allocate memory");
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return;
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}
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free(escaped_message);
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g_free(date_fmt);
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if (SQLITE_OK != sqlite3_exec(g_chatlog_database, query, NULL, 0, &err_msg)) {
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if (err_msg) {
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log_error("SQLite error: %s", err_msg);
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sqlite3_free(err_msg);
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} else {
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log_error("Unknown SQLite error");
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}
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}
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free(query);
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}
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