function renderer_delete($name)
{
$renderer_index = renderer_exists($name);
if ($renderer_index === false) {
$error = "renderer_not_found";
return false;
}
$renderers = (include 'renderers.inc');
unset($renderers[$renderer_index]);
$string = "<?php" . PHP_EOL . "return ";
$string .= var_export($renderers, true) . ';';
$string .= PHP_EOL . "?>";
$res = file_put_contents('renderers_tmp.inc', $string);
if ($res === false) {
$error = "renderer_file_error";
return false;
}
if (file_exists('./renderers.inc.old')) {
unlink('./renderers.inc.old');
}
rename('./renderers.inc', './renderers.inc.old');
rename('./renderers_tmp.inc', './renderers.inc');
return true;
}
function create_renderer()
{
global $input;
global $ssh_public_key;
global $apache_username;
global $ssh_pub_key_location;
global $ssh_timeout;
global $basedir;
global $renderers_options;
$ssh_timeout = 30;
if (!isset($input['renderer_step'])) {
$input['renderer_step'] = "default";
}
switch ($input['renderer_step']) {
// 1. Receive information about renderer (server address, username and name)
case "1":
$renderer_name = $input['renderer_name'];
$renderer_address = $input['renderer_address'];
$renderer_user = $input['renderer_user'];
$enabled = $input['enabled'] ? 1 : 0;
if (empty($renderer_name)) {
$error = template_get_message('missing_renderer_name', get_lang());
} else {
if (renderer_exists($renderer_name) !== false) {
$error = template_get_message('existing_renderer_name', get_lang());
} else {
if (empty($renderer_address)) {
$error = template_get_message('missing_renderer_address', get_lang());
} else {
if (empty($renderer_user)) {
$error = template_get_message('missing_renderer_user', get_lang());
} else {
// saves infos as session var
$_SESSION['renderer_name'] = $renderer_name;
$_SESSION['renderer_user'] = $renderer_user;
$_SESSION['renderer_address'] = $renderer_address;
$_SESSION['renderer_enabled'] = $enabled;
// retrieves the ssh key to display
if ($ssh_pub_key_location == "") {
$ssh_pub_key_location = "~{$apache_username}/.ssh/*.pub";
}
$ssh_public_key = exec("cat {$ssh_pub_key_location}");
// ssh public key not found
if ($ssh_public_key == "") {
$ssh_public_key = "Key not found ! You can specify the path to Apache user's SSH public key by assigning a value to \$ssh_pub_key_location in commons/config.inc.";
}
// saves ssh key as session var if the user returns to the previous step afterward
$_SESSION['renderer_ssh_key'] = $ssh_public_key;
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step2.php');
include template_getpath('div_main_footer.php');
die;
}
}
}
}
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step1.php');
include template_getpath('div_main_footer.php');
die;
break;
// 2. Ask user to copy SSH key on remote renderer and test connection
// 2. Ask user to copy SSH key on remote renderer and test connection
case "2":
if ($input['submit_step_2_prev']) {
// back to step 1
$input['renderer_name'] = $_SESSION['renderer_name'];
$input['renderer_user'] = $_SESSION['renderer_user'];
$input['renderer_address'] = $_SESSION['renderer_address'];
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step1.php');
include template_getpath('div_main_footer.php');
} else {
$ssh_public_key = $_SESSION['renderer_ssh_key'];
// test the SSH connection
$res = ssh_connection_test($_SESSION['renderer_user'], $_SESSION['renderer_address'], $ssh_timeout);
if ($res === true) {
// SSH connection is correctly set. Ask for more information on remote renderer
// set default values
$input['renderer_php'] = exec("ssh -o ConnectTimeout={$ssh_timeout} -o BatchMode=yes " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . " \"which php\"");
$input['renderer_php'] = $input['renderer_php'] == "" ? "PHP binary not found !" : $input['renderer_php'];
$input['renderer_root_path'] = exec("ssh -o ConnectTimeout={$ssh_timeout} -o BatchMode=yes " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . " \"echo ~" . $_SESSION['renderer_user'] . "\"/ezrenderer");
$input['renderer_ffmpeg'] = exec("ssh -o ConnectTimeout={$ssh_timeout} -o BatchMode=yes " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . " \"echo `which ffmpeg`\"");
$input['renderer_ffmpeg'] = $input['renderer_ffmpeg'] == "" ? "FFMPEG binary not found !" : $input['renderer_ffmpeg'];
$input['renderer_ffprobe'] = exec("ssh -o ConnectTimeout={$ssh_timeout} -o BatchMode=yes " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . " \"echo `which ffprobe`\"");
$input['renderer_ffprobe'] = $input['renderer_ffprobe'] == "" ? "FFPROBE binary not found !" : $input['renderer_ffprobe'];
$input['renderer_num_threads'] = 4;
$input['renderer_num_jobs'] = 4;
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step3.php');
include template_getpath('div_main_footer.php');
die;
} else {
if ($res === false) {
// SSH connection has failed. Back to step 2
$error = template_get_message('ssh_connection_failed', get_lang());
} else {
if ($res == "known_hosts_error") {
// could not add SSH public key from remote renderer to known_hosts file
$error = template_get_message('ssh_known_hosts_error', get_lang());
} else {
if ($res == "keyscan_error") {
// SSH public key from remote renderer is not in known_hosts yet
$error = template_get_message('ssh_keyscan_error', get_lang());
}
}
}
}
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step2.php');
include template_getpath('div_main_footer.php');
die;
}
break;
// 3. Additional information for EZrenderer installation
// 3. Additional information for EZrenderer installation
case "3":
if ($input['submit_step_3_prev']) {
// back to step 2
$ssh_public_key = $_SESSION['renderer_ssh_key'];
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step2.php');
include template_getpath('div_main_footer.php');
die;
} else {
// Go to next step
$renderer_root_path = $input['renderer_root_path'];
$renderer_option = $input['renderer_options'];
$renderer_php = $input['renderer_php'];
$renderer_ffmpeg = $input['renderer_ffmpeg'];
$renderer_ffprobe = $input['renderer_ffprobe'];
$renderer_num_jobs = $input['renderer_num_jobs'];
$renderer_num_threads = $input['renderer_num_threads'];
$error = "";
if (empty($renderer_root_path)) {
$error = template_get_message('missing_renderer_root_path', get_lang());
} else {
if (exec("ssh -o ConnectTimeout={$ssh_timeout} -o BatchMode=yes " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . " \"if [ -e " . dirname($renderer_root_path) . " ]; then echo 'exists'; fi;\"") != 'exists') {
$error = template_get_message('bad_renderer_root_path', get_lang());
} else {
if (empty($renderer_php) || $renderer_php == "PHP binary not found !") {
$error = template_get_message('missing_renderer_php', get_lang());
} else {
if (empty($renderer_ffmpeg)) {
$error = template_get_message('missing_renderer_ffmpeg', get_lang());
} else {
if (empty($renderer_ffprobe) || $renderer_ffprobe == "FFPROBE binary not found !") {
$error = template_get_message('missing_renderer_ffprobe', get_lang());
}
}
}
}
}
if ($error != "") {
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step3.php');
include template_getpath('div_main_footer.php');
die;
}
if ($input['submit_step_3_next']) {
// tests PHP, FFMPEG and FFPROBE
$error = "";
// verification for PHP
$res = test_php_over_ssh($_SESSION['renderer_user'], $_SESSION['renderer_address'], $ssh_timeout, $renderer_php);
switch ($res) {
case "php_not_found":
$error .= "- " . template_get_message('php_not_found', get_lang()) . "<br/>";
break;
case "php_deprecated":
$error .= "- " . template_get_message('php_deprecated', get_lang()) . "<br/>";
break;
case "php_missing_xml":
$error .= "- " . template_get_message('missing_module_xml', get_lang()) . "<br/>";
break;
case "php_missing_gd":
$error .= "- " . template_get_message('missing_module_gd', get_lang()) . "<br/>";
break;
case "gd_missing_freetype":
$error .= "- " . template_get_message('missing_freetype', get_lang()) . "<br/>";
break;
default:
$error .= "";
}
// verification for FFMPEG
if ($renderer_option == 'ffmpeg' || $renderer_option == 'ffmpeg_exp') {
$res = test_ffmpeg_over_ssh($_SESSION['renderer_user'], $_SESSION['renderer_address'], $ssh_timeout, $renderer_ffmpeg, $renderer_option == 'ffmpeg_exp');
switch ($res) {
case "ffmpeg_not_found":
$error .= "- " . template_get_message('ffmpeg_not_found', get_lang()) . "<br/>";
break;
case "missing_codec_aac":
$error .= "- " . template_get_message('missing_codec_aac', get_lang()) . "<br/>";
$display_ffmpeg_exp = true;
// used in div_create_renderer_step3.php
break;
case "missing_codec_h264":
$error .= "- " . template_get_message('missing_codec_h264', get_lang()) . "<br/>";
break;
default:
$error .= "";
}
}
// verification for FFPROBE
$res = test_ffprobe_over_ssh($_SESSION['renderer_user'], $_SESSION['renderer_address'], $ssh_timeout, $renderer_ffprobe);
if ($res == "ffprobe_not_found") {
$error .= "- " . template_get_message('ffprobe_not_found', get_lang()) . "<br/>";
}
if ($error != "") {
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step3.php');
include template_getpath('div_main_footer.php');
die;
} else {
$tests_success = true;
}
}
// Disables the remote renderer if tests have been skipped
if (!$tests_success) {
$_SESSION['renderer_enabled'] = false;
}
$_SESSION['renderer_root_path'] = $renderer_root_path;
$_SESSION['renderer_php'] = $renderer_php;
$_SESSION['renderer_option'] = $renderers_options[$renderer_option];
$_SESSION['renderer_ffmpeg'] = $renderer_ffmpeg;
$_SESSION['renderer_ffprobe'] = $renderer_ffprobe;
$_SESSION['renderer_num_jobs'] = empty($renderer_num_jobs) || is_nan($renderer_num_jobs) ? 4 : $renderer_num_jobs;
$_SESSION['renderer_num_threads'] = empty($renderer_num_threads) || is_nan($renderer_num_threads) ? 4 : $renderer_num_threads;
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step4.php');
include template_getpath('div_main_footer.php');
die;
}
break;
// 4. Copies installation files, install EZrenderer and update renderers.inc
// 4. Copies installation files, install EZrenderer and update renderers.inc
case "4":
$input['renderer_root_path'] = $_SESSION['renderer_root_path'];
$input['renderer_php'] = $_SESSION['renderer_php'];
$input['renderer_ffmpeg'] = $_SESSION['renderer_ffmpeg'];
$input['renderer_ffprobe'] = $_SESSION['renderer_ffprobe'];
$input['renderer_num_jobs'] = $_SESSION['renderer_num_jobs'];
$input['renderer_num_threads'] = $_SESSION['renderer_num_threads'];
$input['renderer_options'] = $_SESSION['renderer_option']['name'];
if ($input['renderer_options'] == 'ffmpeg_exp') {
$display_ffmpeg_exp = true;
}
if ($input['submit_step_4_prev']) {
// back to step 3
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step3.php');
include template_getpath('div_main_footer.php');
die;
} else {
if ($input['installation_step'] == 1) {
// 4.1. Copies EZrenderer installation files on the remote renderer
// tests if ezrenderer is already installed
if (exec("ssh -o ConnectTimeout={$ssh_timeout} -o BatchMode=yes " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . " \"if [ -e " . $_SESSION['renderer_root_path'] . " ]; then echo 'exists'; fi;\"") == 'exists') {
// EZrenderer root path already exists on the remote renderer
$response['error'] = true;
$response['msg'] = "<div class='red'>" . template_get_message('root_already_exists', get_lang()) . "</div>";
echo json_encode($response);
die;
}
unset($output);
// actually copies files
exec("scp -r -o ConnectTimeout=600 {$basedir}/ezrenderer " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . ":" . $_SESSION['renderer_root_path'], $output, $returncode);
if ($returncode) {
// an error occured while copying installation files
$response['error'] = true;
$response['msg'] = "<div class='red'>" . template_get_message('renderer_copy_failed', get_lang()) . "</div>";
echo json_encode($response);
die;
}
// EZrenderer has been remotely copied
echo json_encode("<div class='green'>" . template_get_message('load_step_4_copy_success', get_lang()) . "</div>" . template_get_message('load_step_4_install', get_lang()));
die;
}
if ($input['installation_step'] == 2) {
// 4.2. Installs ezrenderer on the remote renderer
exec("ssh -o ConnectTimeout={$ssh_timeout} -o BatchMode=yes " . $_SESSION['renderer_user'] . "@" . $_SESSION['renderer_address'] . " \"" . $_SESSION['renderer_php'] . " " . $_SESSION['renderer_root_path'] . "/renderer_install.php " . $_SESSION['renderer_php'] . " '" . str_replace('"', '\\"', serialize($_SESSION['renderer_option'])) . "' " . $_SESSION['renderer_ffmpeg'] . " " . $_SESSION['renderer_ffprobe'] . " " . $_SESSION['renderer_num_threads'] . " " . $_SESSION['renderer_num_jobs'] . "\"", $output, $returncode);
if ($returncode || strpos($output[0], "renderer installed") === false) {
// an error occured while installing EZrenderer
$response['error'] = true;
$response['msg'] = "<div class='red'>" . template_get_message('renderer_install_failed', get_lang()) . "</div>";
echo json_encode($response);
die;
}
// EZrenderer has been installed
echo json_encode("<div class='green'>" . template_get_message('load_step_4_install_success', get_lang()) . "</div>" . template_get_message('load_step_4_update', get_lang()));
die;
}
if ($input['installation_step'] == 3) {
// Adds the renderer to renderers.inc files of EZmanager and EZadmin
if (!add_renderer_to_file($_SESSION['renderer_name'], $_SESSION['renderer_address'], $_SESSION['renderer_user'], $_SESSION['renderer_enabled'], $_SESSION['renderer_root_path'], $_SESSION['renderer_php'])) {
// an error occured while updating renderers.inc
$response['error'] = true;
$response['msg'] = "<div class='red'>" . template_get_message('renderer_update_failed', get_lang()) . "</div>";
echo json_encode($response);
die;
} else {
// renderers.inc files have been updated
if (push_renderers_to_ezmanager()) {
echo json_encode("<div class='green'>" . template_get_message('load_step_4_update_success', get_lang()) . "</div>");
die;
} else {
echo json_encode("<div class='red'>" . template_get_message('load_step_4_update_failed', get_lang()) . "</div>");
die;
}
}
}
}
break;
// 5. Display the renderers list.
// 5. Display the renderers list.
case "5":
view_renderers();
break;
// Display the renderer creation form
// Display the renderer creation form
default:
unset($_SESSION['renderer_root_path']);
unset($_SESSION['renderer_user']);
unset($_SESSION['renderer_address']);
unset($_SESSION['renderer_name']);
unset($_SESSION['renderer_enabled']);
unset($_SESSION['renderer_num_jobs']);
unset($_SESSION['renderer_num_threads']);
unset($_SESSION['renderer_php']);
unset($_SESSION['renderer_ffmpeg']);
unset($_SESSION['renderer_ffprobe']);
include template_getpath('div_main_header.php');
include template_getpath('div_create_renderer_step1.php');
include template_getpath('div_main_footer.php');
}
db_log('renderers', 'Created renderer ' . $_SESSION['renderer_name'], $_SESSION['user_login']);
// notify_changes();
}
