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/*
* common.c
*
* Copyright (C) 2012 - 2017 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 <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.
*
*/
#include "config.h"
#include <errno.h>
#include <sys/select.h>
#include <assert.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <curl/curl.h>
#include <curl/easy.h>
#include <glib.h>
#ifdef HAVE_NCURSESW_NCURSES_H
#include <ncursesw/ncurses.h>
#elif HAVE_NCURSES_H
#include <ncurses.h>
#endif
#include "log.h"
#include "common.h"
#include "tools/p_sha1.h"
struct curl_data_t
{
char *buffer;
size_t size;
};
static unsigned long unique_id = 0;
static size_t _data_callback(void *ptr, size_t size, size_t nmemb, void *data);
gboolean
create_dir(char *name)
{
struct stat sb;
if (stat(name, &sb) != 0) {
if (errno != ENOENT || mkdir(name, S_IRWXU) != 0) {
return FALSE;
}
} else {
if ((sb.st_mode & S_IFDIR) != S_IFDIR) {
log_debug("create_dir: %s exists and is not a directory!", name);
return FALSE;
}
}
return TRUE;
}
gboolean
mkdir_recursive(const char *dir)
{
int i;
gboolean result = TRUE;
for (i = 1; i <= strlen(dir); i++) {
if (dir[i] == '/' || dir[i] == '\0') {
gchar *next_dir = g_strndup(dir, i);
result = create_dir(next_dir);
g_free(next_dir);
if (!result) {
break;
}
}
}
return result;
}
gboolean
copy_file(const char *const sourcepath, const char *const targetpath)
{
int ch;
FILE *source = fopen(sourcepath, "rb");
if (source == NULL) {
return FALSE;
}
FILE *target = fopen(targetpath, "wb");
if (target == NULL) {
fclose(source);
return FALSE;
}
while((ch = fgetc(source)) != EOF) {
fputc(ch, target);
}
fclose(source);
fclose(target);
return TRUE;
}
char*
str_replace(const char *string, const char *substr,
const char *replacement)
{
char *tok = NULL;
char *newstr = NULL;
char *head = NULL;
if (string == NULL)
return NULL;
if ( substr == NULL ||
replacement == NULL ||
(strcmp(substr, "") == 0))
return strdup (string);
newstr = strdup (string);
head = newstr;
while ( (tok = strstr ( head, substr ))) {
char *oldstr = newstr;
newstr = malloc ( strlen ( oldstr ) - strlen ( substr ) +
strlen ( replacement ) + 1 );
if ( newstr == NULL ) {
free (oldstr);
return NULL;
}
memcpy ( newstr, oldstr, tok - oldstr );
memcpy ( newstr + (tok - oldstr), replacement, strlen ( replacement ) );
memcpy ( newstr + (tok - oldstr) + strlen( replacement ),
tok + strlen ( substr ),
strlen ( oldstr ) - strlen ( substr ) - ( tok - oldstr ) );
memset ( newstr + strlen ( oldstr ) - strlen ( substr ) +
strlen ( replacement ) , 0, 1 );
head = newstr + (tok - oldstr) + strlen( replacement );
free (oldstr);
}
return newstr;
}
int
str_contains(const char str[], int size, char ch)
{
int i;
for (i = 0; i < size; i++) {
if (str[i] == ch)
return 1;
}
return 0;
}
gboolean
strtoi_range(char *str, int *saveptr, int min, int max, char **err_msg)
{
char *ptr;
int val;
errno = 0;
val = (int)strtol(str, &ptr, 0);
if (errno != 0 || *str == '\0' || *ptr != '\0') {
GString *err_str = g_string_new("");
g_string_printf(err_str, "Could not convert \"%s\" to a number.", str);
*err_msg = err_str->str;
g_string_free(err_str, FALSE);
return FALSE;
} else if (val < min || val > max) {
GString *err_str = g_string_new("");
g_string_printf(err_str, "Value %s out of range. Must be in %d..%d.", str, min, max);
*err_msg = err_str->str;
g_string_free(err_str, FALSE);
return FALSE;
}
*saveptr = val;
return TRUE;
}
int
utf8_display_len(const char *const str)
{
if (!str) {
return 0;
}
int len = 0;
gchar *curr = g_utf8_offset_to_pointer(str, 0);
while (*curr != '\0') {
gunichar curru = g_utf8_get_char(curr);
if (g_unichar_iswide(curru)) {
len += 2;
} else {
len ++;
}
curr = g_utf8_next_char(curr);
}
return len;
}
char*
file_getline(FILE *stream)
{
char *buf;
char *result;
char *s = NULL;
size_t s_size = 1;
int need_exit = 0;
buf = (char *)malloc(READ_BUF_SIZE);
while (TRUE) {
result = fgets(buf, READ_BUF_SIZE, stream);
if (result == NULL)
break;
size_t buf_size = strlen(buf);
if (buf[buf_size - 1] == '\n') {
buf_size--;
buf[buf_size] = '\0';
need_exit = 1;
}
result = (char *)realloc(s, s_size + buf_size);
if (result == NULL) {
if (s) {
free(s);
s = NULL;
}
break;
}
s = result;
memcpy(s + s_size - 1, buf, buf_size);
s_size += buf_size;
s[s_size - 1] = '\0';
if (need_exit != 0 || feof(stream) != 0)
break;
}
free(buf);
return s;
}
char*
release_get_latest(void)
{
char *url = "http://www.profanity.im/profanity_version.txt";
CURL *handle = curl_easy_init();
struct curl_data_t output;
output.buffer = NULL;
output.size = 0;
curl_easy_setopt(handle, CURLOPT_URL, url);
curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, _data_callback);
curl_easy_setopt(handle, CURLOPT_TIMEOUT, 2);
curl_easy_setopt(handle, CURLOPT_WRITEDATA, (void *)&output);
curl_easy_perform(handle);
curl_easy_cleanup(handle);
if (output.buffer) {
output.buffer[output.size++] = '\0';
return output.buffer;
} else {
return NULL;
}
}
gboolean
release_is_new(char *found_version)
{
int curr_maj, curr_min, curr_patch, found_maj, found_min, found_patch;
int parse_curr = sscanf(PACKAGE_VERSION, "%d.%d.%d", &curr_maj, &curr_min,
&curr_patch);
int parse_found = sscanf(found_version, "%d.%d.%d", &found_maj, &found_min,
&found_patch);
if (parse_found == 3 && parse_curr == 3) {
if (found_maj > curr_maj) {
return TRUE;
} else if (found_maj == curr_maj && found_min > curr_min) {
return TRUE;
} else if (found_maj == curr_maj && found_min == curr_min
&& found_patch > curr_patch) {
return TRUE;
} else {
return FALSE;
}
} else {
return FALSE;
}
}
char*
create_unique_id(char *prefix)
{
char *result = NULL;
GString *result_str = g_string_new("");
unique_id++;
if (prefix) {
g_string_printf(result_str, "prof_%s_%lu", prefix, unique_id);
} else {
g_string_printf(result_str, "prof_%lu", unique_id);
}
result = result_str->str;
g_string_free(result_str, FALSE);
return result;
}
void
reset_unique_id(void)
{
unique_id = 0;
}
char*
p_sha1_hash(char *str)
{
P_SHA1_CTX ctx;
uint8_t digest[20];
uint8_t *input = (uint8_t*)malloc(strlen(str) + 1);
memcpy(input, str, strlen(str) + 1);
P_SHA1_Init(&ctx);
P_SHA1_Update(&ctx, input, strlen(str));
P_SHA1_Final(&ctx, digest);
free(input);
return g_base64_encode(digest, sizeof(digest));
}
static size_t
_data_callback(void *ptr, size_t size, size_t nmemb, void *data)
{
size_t realsize = size * nmemb;
struct curl_data_t *mem = (struct curl_data_t *) data;
mem->buffer = realloc(mem->buffer, mem->size + realsize + 1);
if ( mem->buffer )
{
memcpy( &( mem->buffer[ mem->size ] ), ptr, realsize );
mem->size += realsize;
mem->buffer[ mem->size ] = 0;
}
return realsize;
}
char*
get_file_or_linked(char *loc, char *basedir)
{
char *true_loc = NULL;
// check for symlink
if (g_file_test(loc, G_FILE_TEST_IS_SYMLINK)) {
true_loc = g_file_read_link(loc, NULL);
// if relative, add basedir
if (!g_str_has_prefix(true_loc, "/") && !g_str_has_prefix(true_loc, "~")) {
GString *base_str = g_string_new(basedir);
g_string_append(base_str, true_loc);
free(true_loc);
true_loc = base_str->str;
g_string_free(base_str, FALSE);
}
// use given location
} else {
true_loc = strdup(loc);
}
return true_loc;
}
char*
strip_arg_quotes(const char *const input)
{
char *unquoted = strdup(input);
// Remove starting quote if it exists
if(strchr(unquoted, '"')) {
if(strchr(unquoted, ' ') + 1 == strchr(unquoted, '"')) {
memmove(strchr(unquoted, '"'), strchr(unquoted, '"')+1, strchr(unquoted, '\0') - strchr(unquoted, '"'));
}
}
// Remove ending quote if it exists
if(strchr(unquoted, '"')) {
if(strchr(unquoted, '\0') - 1 == strchr(unquoted, '"')) {
memmove(strchr(unquoted, '"'), strchr(unquoted, '"')+1, strchr(unquoted, '\0') - strchr(unquoted, '"'));
}
}
return unquoted;
}
gboolean
is_notify_enabled(void)
{
gboolean notify_enabled = FALSE;
#ifdef HAVE_OSXNOTIFY
notify_enabled = TRUE;
#endif
#ifdef HAVE_LIBNOTIFY
notify_enabled = TRUE;
#endif
#ifdef PLATFORM_CYGWIN
notify_enabled = TRUE;
#endif
return notify_enabled;
}
GSList*
prof_occurrences(const char *const needle, const char *const haystack, int offset, gboolean whole_word, GSList **result)
{
if (needle == NULL || haystack == NULL) {
return *result;
}
gchar *haystack_curr = g_utf8_offset_to_pointer(haystack, offset);
if (g_str_has_prefix(haystack_curr, needle)) {
if (whole_word) {
gchar *needle_last_ch = g_utf8_offset_to_pointer(needle, g_utf8_strlen(needle, -1)- 1);
int needle_last_ch_len = mblen(needle_last_ch, MB_CUR_MAX);
gunichar before = 0;
gchar *haystack_before_ch = g_utf8_find_prev_char(haystack, haystack_curr);
if (haystack_before_ch) {
before = g_utf8_get_char(haystack_before_ch);
}
gunichar after = 0;
gchar *haystack_after_ch = g_utf8_find_next_char(haystack_curr + strlen(needle) - needle_last_ch_len, NULL);
if (haystack_after_ch) {
after = g_utf8_get_char(haystack_after_ch);
}
if (!g_unichar_isalnum(before) && !g_unichar_isalnum(after)) {
*result = g_slist_append(*result, GINT_TO_POINTER(offset));
}
} else {
*result = g_slist_append(*result, GINT_TO_POINTER(offset));
}
}
offset++;
if (g_strcmp0(g_utf8_offset_to_pointer(haystack, offset), "\0") != 0) {
*result = prof_occurrences(needle, haystack, offset, whole_word, result);
}
return *result;
}
int
is_regular_file(const char *path)
{
struct stat st;
stat(path, &st);
return S_ISREG(st.st_mode);
}
int
is_dir(const char *path)
{
struct stat st;
stat(path, &st);
return S_ISDIR(st.st_mode);
}
void
get_file_paths_recursive(const char *path, GSList **contents)
{
if (!is_dir(path)) {
return;
}
GDir* directory = g_dir_open(path, 0, NULL);
const gchar *entry = g_dir_read_name(directory);
while (entry) {
GString *full = g_string_new(path);
if (!g_str_has_suffix(full->str, "/")) {
g_string_append(full, "/");
}
g_string_append(full, entry);
if (is_dir(full->str)) {
get_file_paths_recursive(full->str, contents);
} else if (is_regular_file(full->str)) {
*contents = g_slist_append(*contents, full->str);
}
g_string_free(full, FALSE);
entry = g_dir_read_name(directory);
}
}
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