286 lines
8 KiB
PHP
286 lines
8 KiB
PHP
<?php
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namespace EesyPHP;
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use League\MimeTypeDetection\ExtensionMimeTypeDetector;
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/*
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* Parser/formater values helpers
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*/
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function format_size($size, $digit=False) {
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if (!$digit && $digit!==0) $digit=2;
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if ($size>=1099511627776)
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return number_format($size/1099511627776,$digit)."To";
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elseif ($size>=1073741824)
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return number_format($size/1073741824,$digit)."Go";
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else if ($size>=1048576)
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return number_format($size/1048576,$digit)."Mo";
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else if ($size>=1024)
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return number_format($size/1024,$digit)."Ko";
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else
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return $size."o";
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}
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/*
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* Generic Data/value helpers
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*/
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function vardump($data) {
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ob_start();
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var_dump($data);
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$data = ob_get_contents();
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ob_end_clean();
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return $data;
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}
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/**
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* Format a callable object for logging
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* @param string|array $callable The callable object
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* @return string The callable object string representation
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*/
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function format_callable($callable) {
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if (is_string($callable))
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return $callable."()";
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if (is_array($callable))
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if (is_string($callable[0]))
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return $callable[0]."::".$callable[1]."()";
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elseif (is_object($callable[0]))
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return get_class($callable[0])."->".$callable[1]."()";
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else
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return "Unkown->".$callable[1]."()";
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// @phpstan-ignore-next-line
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return vardump($callable);
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}
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/**
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* Check if given value is empty
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* @param mixed $value
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* @return bool
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*/
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function check_is_empty($value) {
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switch(gettype($value)) {
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case "boolean":
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case "integer":
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case "double":
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case "object":
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case "resource":
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return False;
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case "array":
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case "string":
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if ($value == "0") return false;
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return empty($value);
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case "NULL":
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return True;
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}
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return empty($value);
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}
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/**
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* Ensure the given value is an array and return an array with this value if not
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* @param mixed $value
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* @return array
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*/
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function ensure_is_array($value) {
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if (is_array($value))
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return $value;
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if (check_is_empty($value))
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return array();
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return array($value);
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}
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/**
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* Get a specific configuration variable value
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*
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* @param mixed $value The value to cast
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* @param string $type The type of expected value. The configuration variable
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* value will be cast as this type. Could be : bool, int,
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* float or string.
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* @param bool $split If true, $type=='array' and $value is a string, split
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* the value by comma (optional, default: false)
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* @return mixed The cast value
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**/
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function cast($value, $type, $split=false) {
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if (strpos($type, 'array_of_') === 0) {
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$type = substr($type, 9);
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$values = array();
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foreach(ensure_is_array($value) as $key => $value)
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$values[$key] = cast($value, $type);
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return $values;
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}
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switch($type) {
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case 'bool':
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case 'boolean':
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return boolval($value);
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case 'int':
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case 'integer':
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return intval($value);
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case 'float':
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return floatval($value);
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case 'str':
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case 'string':
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return strval($value);
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case 'array':
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if ($split && is_string($value))
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$value = preg_split('/ *, */', $value);
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return ensure_is_array($value);
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}
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return $value;
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}
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/*
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* Generic file/directory helpers
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*/
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/**
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* Dump file content to propose its download
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* @param string $file_path The file path
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* @param string|null $mime_type The file MIME type (optional, default: auto-detected)
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* @param int|null $max_age Max age in second of this file in browser cache (optional,
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* default: null=1h, set to False to disable Cache-Control header)
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* @return void
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*/
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function dump_file($file_path, $mime_type=null, $max_age=null) {
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if (is_file($file_path)) {
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if (is_null($mime_type)) {
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$detector = new ExtensionMimeTypeDetector();
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$mime_type = $detector->detectMimeTypeFromFile($file_path);
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Log::trace('MIME type detected for "%s" is "%s"', $file_path, $mime_type);
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}
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header("Content-Type: $mime_type");
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$last_modified_time = filemtime($file_path);
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$etag = md5_file($file_path);
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$max_age = is_null($max_age)?3600:$max_age;
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if ($max_age)
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header("Cache-Control: max-age=$max_age, must-revalidate");
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header("Last-Modified: ".gmdate("D, d M Y H:i:s", $last_modified_time)." GMT");
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header("Etag: $etag");
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if (
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(
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isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
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@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time
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) || (
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isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
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trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag
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)
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) {
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header("HTTP/1.1 304 Not Modified");
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exit();
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}
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header('Pragma: public');
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header('Content-Length: ' . filesize($file_path));
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readfile($file_path);
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exit();
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}
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Url :: trigger_error_404();
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}
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function delete_directory($dir, $recursive=true) {
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$files = array_diff(scandir($dir), array('.','..'));
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if ($recursive) {
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foreach ($files as $file) {
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if (is_dir("$dir/$file")) {
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if (!delete_directory("$dir/$file", true)) {
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Log :: error("delete_directory($dir) : Fail to delete sub-directory '$dir/$file'.");
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return false;
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}
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}
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else if (!unlink("$dir/$file")) {
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Log :: error("delete_directory($dir) : Fail to delete '$dir/$file'.");
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return false;
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}
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}
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}
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else if (!empty($files)) {
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Log :: error("delete_directory($dir) : Directory is not empty.");
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return false;
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}
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return rmdir($dir);
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}
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/*
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* Run external command helper
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*/
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/**
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* Run external command
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*
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* @param $command string|array The command. It's could be an array of the command with its
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* arguments.
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* @param $data_stdin string|null The command arguments (optional, default: null)
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* @param $escape_command_args boolean If true, the command will be escaped
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* (optional, default: true)
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* @param string|null $cwd The initial working dir for the command
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* (optional, default: null = use current PHP process working
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* directory)
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*
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* @return false|array An array of return code, stdout and stderr result or False in case of fatal
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* error
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**/
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function run_external_command($command, $data_stdin=null, $escape_command_args=true, $cwd=null) {
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if (is_array($command))
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$command = implode(' ', $command);
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if ($escape_command_args)
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$command = escapeshellcmd($command);
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Log :: debug("Run external command: '$command'");
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$descriptorspec = array(
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0 => array("pipe", "r"), // stdin
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1 => array("pipe", "w"), // stdout
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2 => array("pipe", "w"), // stderr
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);
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$process = proc_open($command, $descriptorspec, $pipes, $cwd);
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if (!is_resource($process)) {
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Log :: error("Fail to run external command: '$command'");
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return false;
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}
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if (!is_null($data_stdin)) {
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fwrite($pipes[0], $data_stdin);
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}
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fclose($pipes[0]);
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$stdout = stream_get_contents($pipes[1]);
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fclose($pipes[1]);
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$stderr = stream_get_contents($pipes[2]);
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fclose($pipes[2]);
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$return_value = proc_close($process);
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$error = (!empty($stderr) || $return_value != 0);
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Log :: log(
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($error?'ERROR':'DEBUG'),
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"External command ".($error?"error":"result").":\n".
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"\tCommand : $command\n".
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"\tReturn code: $return_value\n".
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"\tOutput:\n".
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"\t\t- Stdout :\n$stdout\n\n".
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"\t\t- Stderr :\n$stderr"
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);
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return array($return_value, $stdout, $stderr);
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}
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/**
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* Check an AJAX request and trigger a fatal error on fail
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*
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* Check if session key is present and valid and set AJAX
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* mode.
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*
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* @param string|null $session_key string The current session key (optional)
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*
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* @return void
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**/
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function check_ajax_request($session_key=null) {
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Url :: api_mode(true);
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if (Session :: check_key($session_key))
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Tpl :: fatal_error('Invalid request');
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if (Tpl :: debug_ajax())
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Log :: debug("Ajax Request : ".vardump($_REQUEST));
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}
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# vim: tabstop=2 shiftwidth=2 softtabstop=2 expandtab
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