ip-camera-proxy/snapshot.php

161 lines
3.8 KiB
PHP
Raw Normal View History

2012-09-15 01:16:22 +00:00
<?php
/* IP Camera Proxy
* PHP frontend to interface with cheap password-protected webcams and
* pull images for public display on a website
*
* Copyright Will Bradley, 2012 (www.zyphon.com)
* Distributed under a Creative Commons Attribution 3.0 license
* http://creativecommons.org/licenses/by/3.0/
*
* To use, change EXAMPLE.COM, the port number, EXAMPLEUSER, & EXAMPLEPASSWORD
* to their correct values for your setup. I use cheap Hootoo-brand cameras
* for my setup, yours may be different regarding snapshot urls and auth
* mechanisms. Then, host this on a PHP site and access it at
* /snapshot.php?camera=1
*
*/
if($_GET['camera'] == 1)
{
$rand = rand(1000,9999);
$url = 'http://EXAMPLE.COM:80/snapshot.cgi?'.$rand;
$curl_handle=curl_init();
curl_setopt($curl_handle,CURLOPT_RETURNTRANSFER,1);
curl_setopt($curl_handle,CURLOPT_URL,$url);
curl_setopt($curl_handle, CURLOPT_USERPWD, "EXAMPLEUSER:EXAMPLEPASSWORD");
$buffer = curl_exec($curl_handle);
curl_close($curl_handle);
if (empty($buffer))
{
print "";
}
elseif($buffer == "Can not get image.")
{
print "Can not get image.";
}
else
{
header("Content-Type: image/jpeg");
print $buffer;
}
}
elseif($_GET['camera'] == 2)
{
$rand = rand(1000,9999);
$url = 'http://EXAMPLE.COM:81/snapshot.cgi?'.$rand;
$curl_handle=curl_init();
curl_setopt($curl_handle,CURLOPT_RETURNTRANSFER,1);
curl_setopt($curl_handle,CURLOPT_URL,$url);
curl_setopt($curl_handle, CURLOPT_USERPWD, "EXAMPLEUSER:EXAMPLEPASSWORD");
$buffer = curl_exec($curl_handle);
curl_close($curl_handle);
if (empty($buffer))
{
print "";
}
elseif($buffer == "Can not get image.")
{
print "Can not get image.";
}
else
{
header("Content-Type: image/jpeg");
print $buffer;
}
}
elseif($_GET['camera'] == 3)
{
$rand = rand(1000,9999);
$url = 'http://EXAMPLE.COM:82/snapshot.cgi?'.$rand;
$curl_handle=curl_init();
curl_setopt($curl_handle,CURLOPT_RETURNTRANSFER,1);
curl_setopt($curl_handle,CURLOPT_URL,$url);
curl_setopt($curl_handle, CURLOPT_USERPWD, "EXAMPLEUSER:EXAMPLEPASSWORD");
$buffer = curl_exec($curl_handle);
curl_close($curl_handle);
if (empty($buffer))
{
print "";
}
elseif($buffer == "Can not get image.")
{
print "Can not get image.";
}
else
{
header("Content-Type: image/jpeg");
print $buffer;
}
}
elseif($_GET['camera'] == 9)
{
# Used to separate multipart
$boundary = "IPCamBoundary";
# We start with the standard headers. PHP allows us this much
header("Cache-Control: no-cache");
header("Cache-Control: private");
header("Pragma: no-cache");
header("Content-type: image/jpeg");
# From here out, we no longer expect to be able to use the header() function
print "--$boundary\n";
# Set this so PHP doesn't timeout during a long stream
set_time_limit(0);
# Disable Apache and PHP's compression of output to the client
@apache_setenv('no-gzip', 1);
@ini_set('zlib.output_compression', 0);
# Set implicit flush, and flush all current buffers
@ini_set('implicit_flush', 1);
for ($i = 0; $i < ob_get_level(); $i++)
ob_end_flush();
ob_implicit_flush(1);
# The loop, producing one jpeg frame per iteration
// while (true) {
# Your function to get one jpeg image
$rand = rand(1000,9999);
$url = 'http://EXAMPLE.COM:81/GetData.cgi?'.$rand;
$curl_handle=curl_init();
curl_setopt($curl_handle,CURLOPT_RETURNTRANSFER,1);
curl_setopt($curl_handle,CURLOPT_URL,$url);
$buffer = curl_exec($curl_handle);
curl_close($curl_handle);
if (!empty($buffer))
{
# Per-image header, note the two new-lines
print "Content-type: image/jpeg\n\n";
print $buffer;
}
else {
print "Content-type: text/html\n\n";
print "No image.";
}
# The separator
print "--$boundary\n";
// }
}
else {
print "Error: No camera requested.";
}
?>