tvheadend/webui/webui.c

188 lines
4 KiB
C

/*
* tvheadend, WEBUI / HTML user interface
* Copyright (C) 2008 Andreas Öman
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE /* for splice() */
#include <fcntl.h>
#include <pthread.h>
#include <assert.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/sendfile.h>
#include "tvhead.h"
#include "access.h"
#include "http.h"
#include "webui.h"
#include "dvr/dvr.h"
static int
is_client_simple(http_connection_t *hc)
{
char *c;
if((c = http_arg_get(&hc->hc_args, "UA-OS")) != NULL) {
if(strstr(c, "Windows CE") || strstr(c, "Pocket PC"))
return 1;
}
if((c = http_arg_get(&hc->hc_args, "x-wap-profile")) != NULL) {
return 1;
}
return 0;
}
/**
* Root page, we direct the client to different pages depending
* on if it is a full blown browser or just some mobile app
*/
static int
page_root(http_connection_t *hc, const char *remain, void *opaque)
{
if(is_client_simple(hc)) {
http_redirect(hc, "/simple.html");
} else {
http_redirect(hc, "/extjs.html");
}
return 0;
}
/**
* Static download of a file from the filesystem
*/
static int
page_static(http_connection_t *hc, const char *remain, void *opaque)
{
int fd;
const char *rootpath = HTS_BUILD_ROOT "/tvheadend/webui/static";
char path[500];
struct stat st;
const char *content = NULL, *postfix;
if(strstr(remain, ".."))
return HTTP_STATUS_BAD_REQUEST;
postfix = strrchr(remain, '.');
if(postfix != NULL) {
postfix++;
if(!strcmp(postfix, "js"))
content = "text/javascript; charset=UTF-8";
}
snprintf(path, sizeof(path), "%s/%s", rootpath, remain);
if((fd = open(path, O_RDONLY)) < 0)
return 404;
if(fstat(fd, &st) < 0) {
close(fd);
return 404;
}
http_send_header(hc, 200, content, st.st_size, NULL, NULL, 10);
sendfile(hc->hc_fd, fd, NULL, st.st_size);
close(fd);
return 0;
}
/**
* Download a recorded file
*/
static int
page_dvrfile(http_connection_t *hc, const char *remain, void *opaque)
{
int fd;
struct stat st;
const char *content = NULL, *postfix, *range;
dvr_entry_t *de;
char *fname;
if(remain == NULL)
return 404;
pthread_mutex_lock(&global_lock);
if(http_access_verify(hc, ACCESS_RECORDER)) {
pthread_mutex_unlock(&global_lock);
return HTTP_STATUS_UNAUTHORIZED;
}
de = dvr_entry_find_by_id(atoi(remain));
if(de == NULL || de->de_filename == NULL) {
pthread_mutex_unlock(&global_lock);
return 404;
}
fname = strdup(de->de_filename);
pthread_mutex_unlock(&global_lock);
postfix = strrchr(remain, '.');
if(postfix != NULL) {
postfix++;
if(!strcmp(postfix, "mkv"))
content = "video/x-matroska";
}
fd = open(fname, O_RDONLY);
free(fname);
if(fd < 0)
return 404;
if(fstat(fd, &st) < 0) {
close(fd);
return 404;
}
range = http_arg_get(&hc->hc_args, "Range");
#if 0
if(range != NULL) {
printf("Range req: %s\n", range);
}
#endif
http_send_header(hc, 200, content, st.st_size, NULL, NULL, 10);
sendfile(hc->hc_fd, fd, NULL, st.st_size);
close(fd);
return 0;
}
/**
* WEB user interface
*/
void
webui_init(void)
{
http_path_add("/", NULL, page_root, ACCESS_WEB_INTERFACE);
http_path_add("/static", NULL, page_static, ACCESS_WEB_INTERFACE);
http_path_add("/dvrfile", NULL, page_dvrfile, ACCESS_WEB_INTERFACE);
// simpleui_start();
extjs_start();
comet_init();
}