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/* * log.c * * Copyright (C) 2012 - 2015 James Booth <boothj5@gmail.com> * * 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 <http://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. * */ #include <assert.h> #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include "glib.h" #include "glib/gstdio.h" #include "log.h" #include "common.h" #include "config/preferences.h" #include "xmpp/xmpp.h" #define PROF "prof" static FILE *logp; GString *mainlogfile; static GTimeZone *tz; static GDateTime *dt; static log_level_t level_filter; static GHashTable *logs; static GHashTable *groupchat_logs; static GDateTime *session_started; struct dated_chat_log { gchar *filename; GDateTime *date; }; static gboolean _log_roll_needed(struct dated_chat_log *dated_log); static struct dated_chat_log * _create_log(const char * const other, const char * const login); static struct dated_chat_log * _create_groupchat_log(char *room, const char * const login); static void _free_chat_log(struct dated_chat_log *dated_log); static gboolean _key_equals(void *key1, void *key2); static char * _get_log_filename(const char * const other, const char * const login, GDateTime *dt, gboolean create); static char * _get_groupchat_log_filename(const char * const room, const char * const login, GDateTime *dt, gboolean create); static gchar * _get_chatlog_dir(void); static gchar * _get_main_log_file(void); static void _rotate_log_file(void); static char* _log_string_from_level(log_level_t level); static void _chat_log_chat(const char * const login, const char * const other, const gchar * const msg, chat_log_direction_t direction, GTimeVal *tv_stamp); void log_debug(const char * const msg, ...) { va_list arg; va_start(arg, msg); GString *fmt_msg = g_string_new(NULL); g_string_vprintf(fmt_msg, msg, arg); log_msg(PROF_LEVEL_DEBUG, PROF, fmt_msg->str); g_string_free(fmt_msg, TRUE); va_end(arg); } void log_info(const char * const msg, ...) { va_list arg; va_start(arg, msg); GString *fmt_msg = g_string_new(NULL); g_string_vprintf(fmt_msg, msg, arg); log_msg(PROF_LEVEL_INFO, PROF, fmt_msg->str); g_string_free(fmt_msg, TRUE); va_end(arg); } void log_warning(const char * const msg, ...) { va_list arg; va_start(arg, msg); GString *fmt_msg = g_string_new(NULL); g_string_vprintf(fmt_msg, msg, arg); log_msg(PROF_LEVEL_WARN, PROF, fmt_msg->str); g_string_free(fmt_msg, TRUE); va_end(arg); } void log_error(const char * const msg, ...) { va_list arg; va_start(arg, msg); GString *fmt_msg = g_string_new(NULL); g_string_vprintf(fmt_msg, msg, arg); log_msg(PROF_LEVEL_ERROR, PROF, fmt_msg->str); g_string_free(fmt_msg, TRUE); va_end(arg); } void log_init(log_level_t filter) { level_filter = filter; tz = g_time_zone_new_local(); gchar *log_file = _get_main_log_file(); logp = fopen(log_file, "a"); g_chmod(log_file, S_IRUSR | S_IWUSR); mainlogfile = g_string_new(log_file); free(log_file); } void log_reinit(void) { log_close(); log_init(level_filter); } char * get_log_file_location(void) { return mainlogfile->str; } log_level_t log_get_filter(void) { return level_filter; } void log_close(void) { g_string_free(mainlogfile, TRUE); g_time_zone_unref(tz); if (logp != NULL) { fclose(logp); } } void log_msg(log_level_t level, const char * const area, const char * const msg) { if (level >= level_filter && logp != NULL) { dt = g_date_time_new_now(tz); char *level_str = _log_string_from_level(level); gchar *date_fmt = g_date_time_format(dt, "%d/%m/%Y %H:%M:%S"); fprintf(logp, "%s: %s: %s: %s\n", date_fmt, area, level_str, msg); g_date_time_unref(dt); fflush(logp); g_free(date_fmt); if (prefs_get_boolean(PREF_LOG_ROTATE)) { long result = ftell(logp); if (result != -1 && result >= prefs_get_max_log_size()) { _rotate_log_file(); } } } } log_level_t log_level_from_string(char *log_level) { assert(log_level != NULL); if (strcmp(log_level, "DEBUG") == 0) { return PROF_LEVEL_DEBUG; } else if (strcmp(log_level, "INFO") == 0) { return PROF_LEVEL_INFO; } else if (strcmp(log_level, "WARN") == 0) { return PROF_LEVEL_WARN; } else if (strcmp(log_level, "ERROR") == 0) { return PROF_LEVEL_ERROR; } else { // default to info return PROF_LEVEL_INFO; } } static void _rotate_log_file(void) { gchar *log_file = _get_main_log_file(); size_t len = strlen(log_file); char *log_file_new = malloc(len + 3); strncpy(log_file_new, log_file, len); log_file_new[len] = '.'; log_file_new[len+1] = '1'; log_file_new[len+2] = 0; log_close(); rename(log_file, log_file_new); log_init(log_get_filter()); free(log_file_new); free(log_file); log_info("Log has been rotated"); } void chat_log_init(void) { session_started = g_date_time_new_now_local(); log_info("Initialising chat logs"); logs = g_hash_table_new_full(g_str_hash, (GEqualFunc) _key_equals, free, (GDestroyNotify)_free_chat_log); } void groupchat_log_init(void) { log_info("Initialising groupchat logs"); groupchat_logs = g_hash_table_new_full(g_str_hash, (GEqualFunc) _key_equals, free, (GDestroyNotify)_free_chat_log); } void chat_log_msg_out(const char * const barejid, const char * const msg) { if (prefs_get_boolean(PREF_CHLOG)) { const char *jid = jabber_get_fulljid(); Jid *jidp = jid_create(jid); _chat_log_chat(jidp->barejid, barejid, msg, PROF_OUT_LOG, NULL); jid_destroy(jidp); } } void chat_log_otr_msg_out(const char * const barejid, const char * const msg) { if (prefs_get_boolean(PREF_CHLOG)) { const char *jid = jabber_get_fulljid(); Jid *jidp = jid_create(jid); char *pref_otr_log = prefs_get_string(PREF_OTR_LOG); if (strcmp(pref_otr_log, "on") == 0) { _chat_log_chat(jidp->barejid, barejid, msg, PROF_OUT_LOG, NULL); } else if (strcmp(pref_otr_log, "redact") == 0) { _chat_log_chat(jidp->barejid, barejid, "[redacted]", PROF_OUT_LOG, NULL); } prefs_free_string(pref_otr_log); jid_destroy(jidp); } } void chat_log_otr_msg_in(const char * const barejid, const char * const msg, gboolean was_decrypted) { if (prefs_get_boolean(PREF_CHLOG)) { const char *jid = jabber_get_fulljid(); Jid *jidp = jid_create(jid); char *pref_otr_log = prefs_get_string(PREF_OTR_LOG); if (!was_decrypted || (strcmp(pref_otr_log, "on") == 0)) { _chat_log_chat(jidp->barejid, barejid, msg, PROF_IN_LOG, NULL); } else if (strcmp(pref_otr_log, "redact") == 0) { _chat_log_chat(jidp->barejid, barejid, "[redacted]", PROF_IN_LOG, NULL); } prefs_free_string(pref_otr_log); jid_destroy(jidp); } } void chat_log_msg_in(const char * const barejid, const char * const msg) { if (prefs_get_boolean(PREF_CHLOG)) { const char *jid = jabber_get_fulljid(); Jid *jidp = jid_create(jid); _chat_log_chat(jidp->barejid, barejid, msg, PROF_IN_LOG, NULL); jid_destroy(jidp); } } void chat_log_msg_in_delayed(const char * const barejid, const char * msg, GTimeVal *tv_stamp) { if (prefs_get_boolean(PREF_CHLOG)) { const char *jid = jabber_get_fulljid(); Jid *jidp = jid_create(jid); _chat_log_chat(jidp->barejid, barejid, msg, PROF_IN_LOG, tv_stamp); jid_destroy(jidp); } } static void _chat_log_chat(const char * const login, const char * const other, const char * const msg, chat_log_direction_t direction, GTimeVal *tv_stamp) { struct dated_chat_log *dated_log = g_hash_table_lookup(logs, other); // no log for user if (dated_log == NULL) { dated_log = _create_log(other, login); g_hash_table_insert(logs, strdup(other), dated_log); // log exists but needs rolling } else if (_log_roll_needed(dated_log)) { dated_log = _create_log(other, login); g_hash_table_replace(logs, strdup(other), dated_log); } gchar *date_fmt = NULL; GDateTime *dt = NULL; if (tv_stamp == NULL) { dt = g_date_time_new_now_local(); } else { dt = g_date_time_new_from_timeval_utc(tv_stamp); } date_fmt = g_date_time_format(dt, "%H:%M:%S"); FILE *logp = fopen(dated_log->filename, "a"); g_chmod(dated_log->filename, S_IRUSR | S_IWUSR); if (logp != NULL) { if (direction == PROF_IN_LOG) { if (strncmp(msg, "/me ", 4) == 0) { fprintf(logp, "%s - *%s %s\n", date_fmt, other, msg + 4); } else { fprintf(logp, "%s - %s: %s\n", date_fmt, other, msg); } } else { if (strncmp(msg, "/me ", 4) == 0) { fprintf(logp, "%s - *me %s\n", date_fmt, msg + 4); } else { fprintf(logp, "%s - me: %s\n", date_fmt, msg); } } fflush(logp); int result = fclose(logp); if (result == EOF) { log_error("Error closing file %s, errno = %d", dated_log->filename, errno); } } g_free(date_fmt); g_date_time_unref(dt); } void groupchat_log_chat(const gchar * const login, const gchar * const room, const gchar * const nick, const gchar * const msg) { gchar *room_copy = strdup(room); struct dated_chat_log *dated_log = g_hash_table_lookup(groupchat_logs, room_copy); // no log for room if (dated_log == NULL) { dated_log = _create_groupchat_log(room_copy, login); g_hash_table_insert(groupchat_logs, room_copy, dated_log); // log exists but needs rolling } else if (_log_roll_needed(dated_log)) { dated_log = _create_groupchat_log(room_copy, login); g_hash_table_replace(logs, room_copy, dated_log); } GDateTime *dt = g_date_time_new_now_local(); gchar *date_fmt = g_date_time_format(dt, "%H:%M:%S"); FILE *logp = fopen(dated_log->filename, "a"); g_chmod(dated_log->filename, S_IRUSR | S_IWUSR); if (logp != NULL) { if (strncmp(msg, "/me ", 4) == 0) { fprintf(logp, "%s - *%s %s\n", date_fmt, nick, msg + 4); } else { fprintf(logp, "%s - %s: %s\n", date_fmt, nick, msg); } fflush(logp); int result = fclose(logp); if (result == EOF) { log_error("Error closing file %s, errno = %d", dated_log->filename, errno); } } g_free(date_fmt); g_date_time_unref(dt); } GSList * chat_log_get_previous(const gchar * const login, const gchar * const recipient) { GSList *history = NULL; GDateTime *now = g_date_time_new_now_local(); GDateTime *log_date = g_date_time_new(tz, g_date_time_get_year(session_started), g_date_time_get_month(session_started), g_date_time_get_day_of_month(session_started), g_date_time_get_hour(session_started), g_date_time_get_minute(session_started), g_date_time_get_second(session_started)); // get data from all logs from the day the session was started to today while (g_date_time_compare(log_date, now) != 1) { char *filename = _get_log_filename(recipient, login, log_date, FALSE); FILE *logp = fopen(filename, "r"); if (logp != NULL) { GString *header = g_string_new(""); g_string_append_printf(header, "%d/%d/%d:", g_date_time_get_day_of_month(log_date), g_date_time_get_month(log_date), g_date_time_get_year(log_date)); history = g_slist_append(history, header->str); g_string_free(header, FALSE); char *line; while ((line = prof_getline(logp)) != NULL) { history = g_slist_append(history, line); } fclose(logp); } free(filename); GDateTime *next = g_date_time_add_days(log_date, 1); g_date_time_unref(log_date); log_date = next; } g_date_time_unref(log_date); g_date_time_unref(now); return history; } void chat_log_close(void) { g_hash_table_destroy(logs); g_hash_table_destroy(groupchat_logs); g_date_time_unref(session_started); } static struct dated_chat_log * _create_log(const char * const other, const char * const login) { GDateTime *now = g_date_time_new_now_local(); char *filename = _get_log_filename(other, login, now, TRUE); struct dated_chat_log *new_log = malloc(sizeof(struct dated_chat_log)); new_log->filename = strdup(filename); new_log->date = now; free(filename); return new_log; } static struct dated_chat_log * _create_groupchat_log(char *room, const char * const login) { GDateTime *now = g_date_time_new_now_local(); char *filename = _get_groupchat_log_filename(room, login, now, TRUE); struct dated_chat_log *new_log = malloc(sizeof(struct dated_chat_log)); new_log->filename = strdup(filename); new_log->date = now; free(filename); return new_log; } static gboolean _log_roll_needed(struct dated_chat_log *dated_log) { gboolean result = FALSE; GDateTime *now = g_date_time_new_now_local(); if (g_date_time_get_day_of_year(dated_log->date) != g_date_time_get_day_of_year(now)) { result = TRUE; } g_date_time_unref(now); return result; } static void _free_chat_log(struct dated_chat_log *dated_log) { if (dated_log != NULL) { if (dated_log->filename != NULL) { g_free(dated_log->filename); dated_log->filename = NULL; } if (dated_log->date != NULL) { g_date_time_unref(dated_log->date); dated_log->date = NULL; } free(dated_log); } } static gboolean _key_equals(void *key1, void *key2) { gchar *str1 = (gchar *) key1; gchar *str2 = (gchar *) key2; return (g_strcmp0(str1, str2) == 0); } static char * _get_log_filename(const char * const other, const char * const login, GDateTime *dt, gboolean create) { gchar *chatlogs_dir = _get_chatlog_dir(); GString *log_file = g_string_new(chatlogs_dir); free(chatlogs_dir); gchar *login_dir = str_replace(login, "@", "_at_"); g_string_append_printf(log_file, "/%s", login_dir); if (create) { create_dir(log_file->str); } free(login_dir); gchar *other_file = str_replace(other, "@", "_at_"); g_string_append_printf(log_file, "/%s", other_file); if (create) { create_dir(log_file->str); } free(other_file); gchar *date = g_date_time_format(dt, "/%Y_%m_%d.log"); g_string_append(log_file, date); g_free(date); char *result = strdup(log_file->str); g_string_free(log_file, TRUE); return result; } static char * _get_groupchat_log_filename(const char * const room, const char * const login, GDateTime *dt, gboolean create) { gchar *chatlogs_dir = _get_chatlog_dir(); GString *log_file = g_string_new(chatlogs_dir); g_free(chatlogs_dir); gchar *login_dir = str_replace(login, "@", "_at_"); g_string_append_printf(log_file, "/%s", login_dir); if (create) { create_dir(log_file->str); } free(login_dir); g_string_append(log_file, "/rooms"); if (create) { create_dir(log_file->str); } gchar *room_file = str_replace(room, "@", "_at_"); g_string_append_printf(log_file, "/%s", room_file); if (create) { create_dir(log_file->str); } free(room_file); gchar *date = g_date_time_format(dt, "/%Y_%m_%d.log"); g_string_append(log_file, date); g_free(date); char *result = strdup(log_file->str); g_string_free(log_file, TRUE); return result; } static gchar * _get_chatlog_dir(void) { gchar *xdg_data = xdg_get_data_home(); GString *chatlogs_dir = g_string_new(xdg_data); g_string_append(chatlogs_dir, "/profanity/chatlogs"); gchar *result = strdup(chatlogs_dir->str); free(xdg_data); g_string_free(chatlogs_dir, TRUE); return result; } static gchar * _get_main_log_file(void) { gchar *xdg_data = xdg_get_data_home(); GString *logfile = g_string_new(xdg_data); g_string_append(logfile, "/profanity/logs/profanity"); if (!prefs_get_boolean(PREF_LOG_SHARED)) { g_string_append_printf(logfile, "%d", getpid()); } g_string_append(logfile, ".log"); gchar *result = strdup(logfile->str); free(xdg_data); g_string_free(logfile, TRUE); return result; } static char* _log_string_from_level(log_level_t level) { switch (level) { case PROF_LEVEL_ERROR: return "ERR"; case PROF_LEVEL_WARN: return "WRN"; case PROF_LEVEL_INFO: return "INF"; case PROF_LEVEL_DEBUG: return "DBG"; default: return "LOG"; } }


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