mpv/stream/cookies.c

137 lines
3.8 KiB
C

/*
* HTTP Cookies
* Reads Netscape and Mozilla cookies.txt files
*
* Copyright (c) 2003 Dave Lambley <mplayer@davel.me.uk>
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <sys/types.h>
#include <inttypes.h>
#include "stream/stream.h"
#include "options/options.h"
#include "cookies.h"
#include "common/msg.h"
#define MAX_COOKIES 20
typedef struct cookie_list_type {
char *name;
char *value;
char *domain;
char *path;
int secure;
struct cookie_list_type *next;
} cookie_list_t;
/* Like strdup, but stops at anything <31. */
static char *col_dup(void *talloc_ctx, const char *src)
{
int length = 0;
while (src[length] > 31)
length++;
return talloc_strndup(talloc_ctx, src, length);
}
/* Finds the start of all the columns */
static int parse_line(char **ptr, char *cols[7])
{
int col;
cols[0] = *ptr;
for (col = 1; col < 7; col++) {
for (; (**ptr) > 31; (*ptr)++);
if (**ptr == 0)
return 0;
(*ptr)++;
if ((*ptr)[-1] != 9)
return 0;
cols[col] = (*ptr);
}
return 1;
}
/* Loads a cookies.txt file into a linked list. */
static struct cookie_list_type *load_cookies_from(void *ctx,
struct mpv_global *global,
struct mp_log *log,
const char *filename)
{
mp_verbose(log, "Loading cookie file: %s\n", filename);
bstr data = stream_read_file(filename, ctx, global, 1000000);
if (!data.start) {
mp_verbose(log, "Error reading\n");
return NULL;
}
bstr_xappend(ctx, &data, (struct bstr){"", 1}); // null-terminate
char *ptr = data.start;
struct cookie_list_type *list = NULL;
while (*ptr) {
char *cols[7];
if (parse_line(&ptr, cols)) {
struct cookie_list_type *new;
new = talloc_zero(ctx, cookie_list_t);
new->name = col_dup(new, cols[5]);
new->value = col_dup(new, cols[6]);
new->path = col_dup(new, cols[2]);
new->domain = col_dup(new, cols[0]);
new->secure = (*(cols[3]) == 't') || (*(cols[3]) == 'T');
new->next = list;
list = new;
}
}
return list;
}
// Return a cookies string as expected by lavf (libavformat/http.c). The format
// is like a Set-Cookie header (http://curl.haxx.se/rfc/cookie_spec.html),
// separated by newlines.
char *cookies_lavf(void *talloc_ctx,
struct mpv_global *global,
struct mp_log *log,
const char *file)
{
void *tmp = talloc_new(NULL);
struct cookie_list_type *list = NULL;
if (file && file[0])
list = load_cookies_from(tmp, global, log, file);
char *res = talloc_strdup(talloc_ctx, "");
while (list) {
res = talloc_asprintf_append_buffer(res,
"%s=%s; path=%s; domain=%s; %s\n", list->name, list->value,
list->path, list->domain, list->secure ? "secure" : "");
list = list->next;
}
talloc_free(tmp);
return res;
}