mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 10:18:25 -05:00
238 lines
6.6 KiB
C
Executable File
238 lines
6.6 KiB
C
Executable File
/*
|
|
* URL utility functions
|
|
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
|
|
#include "avformat.h"
|
|
#include "internal.h"
|
|
#include "config.h"
|
|
#include "url.h"
|
|
#if CONFIG_NETWORK
|
|
#include "network.h"
|
|
#endif
|
|
#include "libavutil/avstring.h"
|
|
|
|
/**
|
|
* @file
|
|
* URL utility functions.
|
|
*/
|
|
|
|
int ff_url_join(char *str, int size, const char *proto,
|
|
const char *authorization, const char *hostname,
|
|
int port, const char *fmt, ...)
|
|
{
|
|
#if CONFIG_NETWORK
|
|
struct addrinfo hints = { 0 }, *ai;
|
|
#endif
|
|
|
|
str[0] = '\0';
|
|
if (proto)
|
|
av_strlcatf(str, size, "%s://", proto);
|
|
if (authorization && authorization[0])
|
|
av_strlcatf(str, size, "%s@", authorization);
|
|
#if CONFIG_NETWORK && defined(AF_INET6)
|
|
/* Determine if hostname is a numerical IPv6 address,
|
|
* properly escape it within [] in that case. */
|
|
hints.ai_flags = AI_NUMERICHOST;
|
|
if (!getaddrinfo(hostname, NULL, &hints, &ai)) {
|
|
if (ai->ai_family == AF_INET6) {
|
|
av_strlcat(str, "[", size);
|
|
av_strlcat(str, hostname, size);
|
|
av_strlcat(str, "]", size);
|
|
} else {
|
|
av_strlcat(str, hostname, size);
|
|
}
|
|
freeaddrinfo(ai);
|
|
} else
|
|
#endif
|
|
/* Not an IPv6 address, just output the plain string. */
|
|
av_strlcat(str, hostname, size);
|
|
|
|
if (port >= 0)
|
|
av_strlcatf(str, size, ":%d", port);
|
|
if (fmt) {
|
|
va_list vl;
|
|
size_t len = strlen(str);
|
|
|
|
va_start(vl, fmt);
|
|
vsnprintf(str + len, size > len ? size - len : 0, fmt, vl);
|
|
va_end(vl);
|
|
}
|
|
return strlen(str);
|
|
}
|
|
|
|
static void trim_double_dot_url(char *buf, const char *rel, int size)
|
|
{
|
|
const char *p = rel;
|
|
const char *root = rel;
|
|
char tmp_path[MAX_URL_SIZE] = {0, };
|
|
char *sep;
|
|
char *node;
|
|
|
|
/* Get the path root of the url which start by "://" */
|
|
if (p && (sep = strstr(p, "://"))) {
|
|
sep += 3;
|
|
root = strchr(sep, '/');
|
|
if (!root)
|
|
return;
|
|
}
|
|
|
|
/* set new current position if the root node is changed */
|
|
p = root;
|
|
while (p && (node = strstr(p, ".."))) {
|
|
av_strlcat(tmp_path, p, node - p + strlen(tmp_path));
|
|
p = node + 3;
|
|
sep = strrchr(tmp_path, '/');
|
|
if (sep)
|
|
sep[0] = '\0';
|
|
else
|
|
tmp_path[0] = '\0';
|
|
}
|
|
|
|
if (!av_stristart(p, "/", NULL) && root != rel)
|
|
av_strlcat(tmp_path, "/", size);
|
|
|
|
av_strlcat(tmp_path, p, size);
|
|
/* start set buf after temp path process. */
|
|
av_strlcpy(buf, rel, root - rel + 1);
|
|
|
|
if (!av_stristart(tmp_path, "/", NULL) && root != rel)
|
|
av_strlcat(buf, "/", size);
|
|
|
|
av_strlcat(buf, tmp_path, size);
|
|
}
|
|
|
|
void ff_make_absolute_url(char *buf, int size, const char *base,
|
|
const char *rel)
|
|
{
|
|
char *sep, *path_query;
|
|
char *root, *p;
|
|
char tmp_path[MAX_URL_SIZE];
|
|
|
|
memset(tmp_path, 0, sizeof(tmp_path));
|
|
/* Absolute path, relative to the current server */
|
|
if (base && strstr(base, "://") && rel[0] == '/') {
|
|
if (base != buf)
|
|
av_strlcpy(buf, base, size);
|
|
sep = strstr(buf, "://");
|
|
if (sep) {
|
|
/* Take scheme from base url */
|
|
if (rel[1] == '/') {
|
|
sep[1] = '\0';
|
|
} else {
|
|
/* Take scheme and host from base url */
|
|
sep += 3;
|
|
sep = strchr(sep, '/');
|
|
if (sep)
|
|
*sep = '\0';
|
|
}
|
|
}
|
|
av_strlcat(buf, rel, size);
|
|
trim_double_dot_url(tmp_path, buf, size);
|
|
memset(buf, 0, size);
|
|
av_strlcpy(buf, tmp_path, size);
|
|
return;
|
|
}
|
|
/* If rel actually is an absolute url, just copy it */
|
|
if (!base || strstr(rel, "://") || rel[0] == '/') {
|
|
memset(buf, 0, size);
|
|
trim_double_dot_url(buf, rel, size);
|
|
return;
|
|
}
|
|
if (base != buf)
|
|
av_strlcpy(buf, base, size);
|
|
|
|
/* Strip off any query string from base */
|
|
path_query = strchr(buf, '?');
|
|
if (path_query)
|
|
*path_query = '\0';
|
|
|
|
/* Is relative path just a new query part? */
|
|
if (rel[0] == '?') {
|
|
av_strlcat(buf, rel, size);
|
|
trim_double_dot_url(tmp_path, buf, size);
|
|
memset(buf, 0, size);
|
|
av_strlcpy(buf, tmp_path, size);
|
|
return;
|
|
}
|
|
|
|
root = p = buf;
|
|
/* Get the path root of the url which start by "://" */
|
|
if (p && strstr(p, "://")) {
|
|
sep = strstr(p, "://");
|
|
if (sep) {
|
|
sep += 3;
|
|
root = strchr(sep, '/');
|
|
if (!root)
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Remove the file name from the base url */
|
|
sep = strrchr(buf, '/');
|
|
if (sep && sep <= root)
|
|
sep = root;
|
|
|
|
if (sep)
|
|
sep[1] = '\0';
|
|
else
|
|
buf[0] = '\0';
|
|
while (av_strstart(rel, "..", NULL) && sep) {
|
|
/* Remove the path delimiter at the end */
|
|
if (sep > root) {
|
|
sep[0] = '\0';
|
|
sep = strrchr(buf, '/');
|
|
}
|
|
|
|
/* If the next directory name to pop off is "..", break here */
|
|
if (!strcmp(sep ? &sep[1] : buf, "..")) {
|
|
/* Readd the slash we just removed */
|
|
av_strlcat(buf, "/", size);
|
|
break;
|
|
}
|
|
/* Cut off the directory name */
|
|
if (sep)
|
|
sep[1] = '\0';
|
|
else
|
|
buf[0] = '\0';
|
|
rel += 3;
|
|
}
|
|
av_strlcat(buf, rel, size);
|
|
trim_double_dot_url(tmp_path, buf, size);
|
|
memset(buf, 0, size);
|
|
av_strlcpy(buf, tmp_path, size);
|
|
}
|
|
|
|
AVIODirEntry *ff_alloc_dir_entry(void)
|
|
{
|
|
AVIODirEntry *entry = av_mallocz(sizeof(AVIODirEntry));
|
|
if (entry) {
|
|
entry->type = AVIO_ENTRY_UNKNOWN;
|
|
entry->size = -1;
|
|
entry->modification_timestamp = -1;
|
|
entry->access_timestamp = -1;
|
|
entry->status_change_timestamp = -1;
|
|
entry->user_id = -1;
|
|
entry->group_id = -1;
|
|
entry->filemode = -1;
|
|
}
|
|
return entry;
|
|
}
|