'.(is_array($message) ? implode('
', $message) : $message).'
'; - $template = 'html'.DIRECTORY_SEPARATOR.$template; - } - - if (ob_get_level() > $this->ob_level + 1) - { - ob_end_flush(); - } - ob_start(); - include($templates_path.$template.'.php'); - $buffer = ob_get_contents(); - ob_end_clean(); - return $buffer; - } - - // -------------------------------------------------------------------- - - public function show_exception($exception) - { - $templates_path = config_item('error_views_path'); - if (empty($templates_path)) - { - $templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR; - } - - $message = $exception->getMessage(); - if (empty($message)) - { - $message = '(null)'; - } - - if (is_cli()) - { - $templates_path .= 'cli'.DIRECTORY_SEPARATOR; - } - else - { - $templates_path .= 'html'.DIRECTORY_SEPARATOR; - } - - if (ob_get_level() > $this->ob_level + 1) - { - ob_end_flush(); - } - - ob_start(); - include($templates_path.'error_exception.php'); - $buffer = ob_get_contents(); - ob_end_clean(); - echo $buffer; - } - - // -------------------------------------------------------------------- - - /** - * Native PHP error handler - * - * @param int $severity Error level - * @param string $message Error message - * @param string $filepath File path - * @param int $line Line number - * @return void - */ - public function show_php_error($severity, $message, $filepath, $line) - { - $templates_path = config_item('error_views_path'); - if (empty($templates_path)) - { - $templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR; - } - - $severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity; - - // For safety reasons we don't show the full file path in non-CLI requests - if ( ! is_cli()) - { - $filepath = str_replace('\\', '/', $filepath); - if (FALSE !== strpos($filepath, '/')) - { - $x = explode('/', $filepath); - $filepath = $x[count($x)-2].'/'.end($x); - } - - $template = 'html'.DIRECTORY_SEPARATOR.'error_php'; - } - else - { - $template = 'cli'.DIRECTORY_SEPARATOR.'error_php'; - } - - if (ob_get_level() > $this->ob_level + 1) - { - ob_end_flush(); - } - ob_start(); - include($templates_path.$template.'.php'); - $buffer = ob_get_contents(); - ob_end_clean(); - echo $buffer; - } - -} diff --git a/system/core/Hooks.php b/system/core/Hooks.php deleted file mode 100644 index 82c68b1..0000000 --- a/system/core/Hooks.php +++ /dev/null @@ -1,266 +0,0 @@ -item('enable_hooks') === FALSE) - { - return; - } - - // Grab the "hooks" definition file. - if (file_exists(APPPATH.'config/hooks.php')) - { - include(APPPATH.'config/hooks.php'); - } - - if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/hooks.php')) - { - include(APPPATH.'config/'.ENVIRONMENT.'/hooks.php'); - } - - // If there are no hooks, we're done. - if ( ! isset($hook) OR ! is_array($hook)) - { - return; - } - - $this->hooks =& $hook; - $this->enabled = TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Call Hook - * - * Calls a particular hook. Called by CodeIgniter.php. - * - * @uses CI_Hooks::_run_hook() - * - * @param string $which Hook name - * @return bool TRUE on success or FALSE on failure - */ - public function call_hook($which = '') - { - if ( ! $this->enabled OR ! isset($this->hooks[$which])) - { - return FALSE; - } - - if (is_array($this->hooks[$which]) && ! isset($this->hooks[$which]['function'])) - { - foreach ($this->hooks[$which] as $val) - { - $this->_run_hook($val); - } - } - else - { - $this->_run_hook($this->hooks[$which]); - } - - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Run Hook - * - * Runs a particular hook - * - * @param array $data Hook details - * @return bool TRUE on success or FALSE on failure - */ - protected function _run_hook($data) - { - // Closures/lambda functions and array($object, 'method') callables - if (is_callable($data)) - { - is_array($data) - ? $data[0]->{$data[1]}() - : $data(); - - return TRUE; - } - elseif ( ! is_array($data)) - { - return FALSE; - } - - // ----------------------------------- - // Safety - Prevents run-away loops - // ----------------------------------- - - // If the script being called happens to have the same - // hook call within it a loop can happen - if ($this->_in_progress === TRUE) - { - return; - } - - // ----------------------------------- - // Set file path - // ----------------------------------- - - if ( ! isset($data['filepath'], $data['filename'])) - { - return FALSE; - } - - $filepath = APPPATH.$data['filepath'].'/'.$data['filename']; - - if ( ! file_exists($filepath)) - { - return FALSE; - } - - // Determine and class and/or function names - $class = empty($data['class']) ? FALSE : $data['class']; - $function = empty($data['function']) ? FALSE : $data['function']; - $params = isset($data['params']) ? $data['params'] : ''; - - if (empty($function)) - { - return FALSE; - } - - // Set the _in_progress flag - $this->_in_progress = TRUE; - - // Call the requested class and/or function - if ($class !== FALSE) - { - // The object is stored? - if (isset($this->_objects[$class])) - { - if (method_exists($this->_objects[$class], $function)) - { - $this->_objects[$class]->$function($params); - } - else - { - return $this->_in_progress = FALSE; - } - } - else - { - class_exists($class, FALSE) OR require_once($filepath); - - if ( ! class_exists($class, FALSE) OR ! method_exists($class, $function)) - { - return $this->_in_progress = FALSE; - } - - // Store the object and execute the method - $this->_objects[$class] = new $class(); - $this->_objects[$class]->$function($params); - } - } - else - { - function_exists($function) OR require_once($filepath); - - if ( ! function_exists($function)) - { - return $this->_in_progress = FALSE; - } - - $function($params); - } - - $this->_in_progress = FALSE; - return TRUE; - } - -} diff --git a/system/core/Input.php b/system/core/Input.php deleted file mode 100644 index 143babf..0000000 --- a/system/core/Input.php +++ /dev/null @@ -1,895 +0,0 @@ -_allow_get_array = (config_item('allow_get_array') !== FALSE); - $this->_enable_xss = (config_item('global_xss_filtering') === TRUE); - $this->_enable_csrf = (config_item('csrf_protection') === TRUE); - $this->_standardize_newlines = (bool) config_item('standardize_newlines'); - - $this->security =& load_class('Security', 'core'); - - // Do we need the UTF-8 class? - if (UTF8_ENABLED === TRUE) - { - $this->uni =& load_class('Utf8', 'core'); - } - - // Sanitize global arrays - $this->_sanitize_globals(); - - // CSRF Protection check - if ($this->_enable_csrf === TRUE && ! is_cli()) - { - $this->security->csrf_verify(); - } - - log_message('info', 'Input Class Initialized'); - } - - // -------------------------------------------------------------------- - - /** - * Fetch from array - * - * Internal method used to retrieve values from global arrays. - * - * @param array &$array $_GET, $_POST, $_COOKIE, $_SERVER, etc. - * @param mixed $index Index for item to be fetched from $array - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - protected function _fetch_from_array(&$array, $index = NULL, $xss_clean = NULL) - { - is_bool($xss_clean) OR $xss_clean = $this->_enable_xss; - - // If $index is NULL, it means that the whole $array is requested - isset($index) OR $index = array_keys($array); - - // allow fetching multiple keys at once - if (is_array($index)) - { - $output = array(); - foreach ($index as $key) - { - $output[$key] = $this->_fetch_from_array($array, $key, $xss_clean); - } - - return $output; - } - - if (isset($array[$index])) - { - $value = $array[$index]; - } - elseif (($count = preg_match_all('/(?:^[^\[]+)|\[[^]]*\]/', $index, $matches)) > 1) // Does the index contain array notation - { - $value = $array; - for ($i = 0; $i < $count; $i++) - { - $key = trim($matches[0][$i], '[]'); - if ($key === '') // Empty notation will return the value as array - { - break; - } - - if (isset($value[$key])) - { - $value = $value[$key]; - } - else - { - return NULL; - } - } - } - else - { - return NULL; - } - - return ($xss_clean === TRUE) - ? $this->security->xss_clean($value) - : $value; - } - - // -------------------------------------------------------------------- - - /** - * Fetch an item from the GET array - * - * @param mixed $index Index for item to be fetched from $_GET - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - public function get($index = NULL, $xss_clean = NULL) - { - return $this->_fetch_from_array($_GET, $index, $xss_clean); - } - - // -------------------------------------------------------------------- - - /** - * Fetch an item from the POST array - * - * @param mixed $index Index for item to be fetched from $_POST - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - public function post($index = NULL, $xss_clean = NULL) - { - return $this->_fetch_from_array($_POST, $index, $xss_clean); - } - - // -------------------------------------------------------------------- - - /** - * Fetch an item from POST data with fallback to GET - * - * @param string $index Index for item to be fetched from $_POST or $_GET - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - public function post_get($index, $xss_clean = NULL) - { - return isset($_POST[$index]) - ? $this->post($index, $xss_clean) - : $this->get($index, $xss_clean); - } - - // -------------------------------------------------------------------- - - /** - * Fetch an item from GET data with fallback to POST - * - * @param string $index Index for item to be fetched from $_GET or $_POST - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - public function get_post($index, $xss_clean = NULL) - { - return isset($_GET[$index]) - ? $this->get($index, $xss_clean) - : $this->post($index, $xss_clean); - } - - // -------------------------------------------------------------------- - - /** - * Fetch an item from the COOKIE array - * - * @param mixed $index Index for item to be fetched from $_COOKIE - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - public function cookie($index = NULL, $xss_clean = NULL) - { - return $this->_fetch_from_array($_COOKIE, $index, $xss_clean); - } - - // -------------------------------------------------------------------- - - /** - * Fetch an item from the SERVER array - * - * @param mixed $index Index for item to be fetched from $_SERVER - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - public function server($index, $xss_clean = NULL) - { - return $this->_fetch_from_array($_SERVER, $index, $xss_clean); - } - - // ------------------------------------------------------------------------ - - /** - * Fetch an item from the php://input stream - * - * Useful when you need to access PUT, DELETE or PATCH request data. - * - * @param string $index Index for item to be fetched - * @param bool $xss_clean Whether to apply XSS filtering - * @return mixed - */ - public function input_stream($index = NULL, $xss_clean = NULL) - { - // Prior to PHP 5.6, the input stream can only be read once, - // so we'll need to check if we have already done that first. - if ( ! is_array($this->_input_stream)) - { - // $this->raw_input_stream will trigger __get(). - parse_str($this->raw_input_stream, $this->_input_stream); - is_array($this->_input_stream) OR $this->_input_stream = array(); - } - - return $this->_fetch_from_array($this->_input_stream, $index, $xss_clean); - } - - // ------------------------------------------------------------------------ - - /** - * Set cookie - * - * Accepts an arbitrary number of parameters (up to 7) or an associative - * array in the first parameter containing all the values. - * - * @param string|mixed[] $name Cookie name or an array containing parameters - * @param string $value Cookie value - * @param int $expire Cookie expiration time in seconds - * @param string $domain Cookie domain (e.g.: '.yourdomain.com') - * @param string $path Cookie path (default: '/') - * @param string $prefix Cookie name prefix - * @param bool $secure Whether to only transfer cookies via SSL - * @param bool $httponly Whether to only makes the cookie accessible via HTTP (no javascript) - * @return void - */ - public function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = NULL, $httponly = NULL) - { - if (is_array($name)) - { - // always leave 'name' in last place, as the loop will break otherwise, due to $$item - foreach (array('value', 'expire', 'domain', 'path', 'prefix', 'secure', 'httponly', 'name') as $item) - { - if (isset($name[$item])) - { - $$item = $name[$item]; - } - } - } - - if ($prefix === '' && config_item('cookie_prefix') !== '') - { - $prefix = config_item('cookie_prefix'); - } - - if ($domain == '' && config_item('cookie_domain') != '') - { - $domain = config_item('cookie_domain'); - } - - if ($path === '/' && config_item('cookie_path') !== '/') - { - $path = config_item('cookie_path'); - } - - $secure = ($secure === NULL && config_item('cookie_secure') !== NULL) - ? (bool) config_item('cookie_secure') - : (bool) $secure; - - $httponly = ($httponly === NULL && config_item('cookie_httponly') !== NULL) - ? (bool) config_item('cookie_httponly') - : (bool) $httponly; - - if ( ! is_numeric($expire)) - { - $expire = time() - 86500; - } - else - { - $expire = ($expire > 0) ? time() + $expire : 0; - } - - setcookie($prefix.$name, $value, $expire, $path, $domain, $secure, $httponly); - } - - // -------------------------------------------------------------------- - - /** - * Fetch the IP Address - * - * Determines and validates the visitor's IP address. - * - * @return string IP address - */ - public function ip_address() - { - if ($this->ip_address !== FALSE) - { - return $this->ip_address; - } - - $proxy_ips = config_item('proxy_ips'); - if ( ! empty($proxy_ips) && ! is_array($proxy_ips)) - { - $proxy_ips = explode(',', str_replace(' ', '', $proxy_ips)); - } - - $this->ip_address = $this->server('REMOTE_ADDR'); - - if ($proxy_ips) - { - foreach (array('HTTP_X_FORWARDED_FOR', 'HTTP_CLIENT_IP', 'HTTP_X_CLIENT_IP', 'HTTP_X_CLUSTER_CLIENT_IP') as $header) - { - if (($spoof = $this->server($header)) !== NULL) - { - // Some proxies typically list the whole chain of IP - // addresses through which the client has reached us. - // e.g. client_ip, proxy_ip1, proxy_ip2, etc. - sscanf($spoof, '%[^,]', $spoof); - - if ( ! $this->valid_ip($spoof)) - { - $spoof = NULL; - } - else - { - break; - } - } - } - - if ($spoof) - { - for ($i = 0, $c = count($proxy_ips); $i < $c; $i++) - { - // Check if we have an IP address or a subnet - if (strpos($proxy_ips[$i], '/') === FALSE) - { - // An IP address (and not a subnet) is specified. - // We can compare right away. - if ($proxy_ips[$i] === $this->ip_address) - { - $this->ip_address = $spoof; - break; - } - - continue; - } - - // We have a subnet ... now the heavy lifting begins - isset($separator) OR $separator = $this->valid_ip($this->ip_address, 'ipv6') ? ':' : '.'; - - // If the proxy entry doesn't match the IP protocol - skip it - if (strpos($proxy_ips[$i], $separator) === FALSE) - { - continue; - } - - // Convert the REMOTE_ADDR IP address to binary, if needed - if ( ! isset($ip, $sprintf)) - { - if ($separator === ':') - { - // Make sure we're have the "full" IPv6 format - $ip = explode(':', - str_replace('::', - str_repeat(':', 9 - substr_count($this->ip_address, ':')), - $this->ip_address - ) - ); - - for ($j = 0; $j < 8; $j++) - { - $ip[$j] = intval($ip[$j], 16); - } - - $sprintf = '%016b%016b%016b%016b%016b%016b%016b%016b'; - } - else - { - $ip = explode('.', $this->ip_address); - $sprintf = '%08b%08b%08b%08b'; - } - - $ip = vsprintf($sprintf, $ip); - } - - // Split the netmask length off the network address - sscanf($proxy_ips[$i], '%[^/]/%d', $netaddr, $masklen); - - // Again, an IPv6 address is most likely in a compressed form - if ($separator === ':') - { - $netaddr = explode(':', str_replace('::', str_repeat(':', 9 - substr_count($netaddr, ':')), $netaddr)); - for ($j = 0; $j < 8; $j++) - { - $netaddr[$j] = intval($netaddr[$j], 16); - } - } - else - { - $netaddr = explode('.', $netaddr); - } - - // Convert to binary and finally compare - if (strncmp($ip, vsprintf($sprintf, $netaddr), $masklen) === 0) - { - $this->ip_address = $spoof; - break; - } - } - } - } - - if ( ! $this->valid_ip($this->ip_address)) - { - return $this->ip_address = '0.0.0.0'; - } - - return $this->ip_address; - } - - // -------------------------------------------------------------------- - - /** - * Validate IP Address - * - * @param string $ip IP address - * @param string $which IP protocol: 'ipv4' or 'ipv6' - * @return bool - */ - public function valid_ip($ip, $which = '') - { - switch (strtolower($which)) - { - case 'ipv4': - $which = FILTER_FLAG_IPV4; - break; - case 'ipv6': - $which = FILTER_FLAG_IPV6; - break; - default: - $which = NULL; - break; - } - - return (bool) filter_var($ip, FILTER_VALIDATE_IP, $which); - } - - // -------------------------------------------------------------------- - - /** - * Fetch User Agent string - * - * @return string|null User Agent string or NULL if it doesn't exist - */ - public function user_agent($xss_clean = NULL) - { - return $this->_fetch_from_array($_SERVER, 'HTTP_USER_AGENT', $xss_clean); - } - - // -------------------------------------------------------------------- - - /** - * Sanitize Globals - * - * Internal method serving for the following purposes: - * - * - Unsets $_GET data, if query strings are not enabled - * - Cleans POST, COOKIE and SERVER data - * - Standardizes newline characters to PHP_EOL - * - * @return void - */ - protected function _sanitize_globals() - { - // Is $_GET data allowed? If not we'll set the $_GET to an empty array - if ($this->_allow_get_array === FALSE) - { - $_GET = array(); - } - elseif (is_array($_GET)) - { - foreach ($_GET as $key => $val) - { - $_GET[$this->_clean_input_keys($key)] = $this->_clean_input_data($val); - } - } - - // Clean $_POST Data - if (is_array($_POST)) - { - foreach ($_POST as $key => $val) - { - $_POST[$this->_clean_input_keys($key)] = $this->_clean_input_data($val); - } - } - - // Clean $_COOKIE Data - if (is_array($_COOKIE)) - { - // Also get rid of specially treated cookies that might be set by a server - // or silly application, that are of no use to a CI application anyway - // but that when present will trip our 'Disallowed Key Characters' alarm - // http://www.ietf.org/rfc/rfc2109.txt - // note that the key names below are single quoted strings, and are not PHP variables - unset( - $_COOKIE['$Version'], - $_COOKIE['$Path'], - $_COOKIE['$Domain'] - ); - - foreach ($_COOKIE as $key => $val) - { - if (($cookie_key = $this->_clean_input_keys($key)) !== FALSE) - { - $_COOKIE[$cookie_key] = $this->_clean_input_data($val); - } - else - { - unset($_COOKIE[$key]); - } - } - } - - // Sanitize PHP_SELF - $_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']); - - log_message('debug', 'Global POST, GET and COOKIE data sanitized'); - } - - // -------------------------------------------------------------------- - - /** - * Clean Input Data - * - * Internal method that aids in escaping data and - * standardizing newline characters to PHP_EOL. - * - * @param string|string[] $str Input string(s) - * @return string - */ - protected function _clean_input_data($str) - { - if (is_array($str)) - { - $new_array = array(); - foreach (array_keys($str) as $key) - { - $new_array[$this->_clean_input_keys($key)] = $this->_clean_input_data($str[$key]); - } - return $new_array; - } - - /* We strip slashes if magic quotes is on to keep things consistent - - NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and - it will probably not exist in future versions at all. - */ - if ( ! is_php('5.4') && get_magic_quotes_gpc()) - { - $str = stripslashes($str); - } - - // Clean UTF-8 if supported - if (UTF8_ENABLED === TRUE) - { - $str = $this->uni->clean_string($str); - } - - // Remove control characters - $str = remove_invisible_characters($str, FALSE); - - // Standardize newlines if needed - if ($this->_standardize_newlines === TRUE) - { - return preg_replace('/(?:\r\n|[\r\n])/', PHP_EOL, $str); - } - - return $str; - } - - // -------------------------------------------------------------------- - - /** - * Clean Keys - * - * Internal method that helps to prevent malicious users - * from trying to exploit keys we make sure that keys are - * only named with alpha-numeric text and a few other items. - * - * @param string $str Input string - * @param bool $fatal Whether to terminate script exection - * or to return FALSE if an invalid - * key is encountered - * @return string|bool - */ - protected function _clean_input_keys($str, $fatal = TRUE) - { - if ( ! preg_match('/^[a-z0-9:_\/|-]+$/i', $str)) - { - if ($fatal === TRUE) - { - return FALSE; - } - else - { - set_status_header(503); - echo 'Disallowed Key Characters.'; - exit(7); // EXIT_USER_INPUT - } - } - - // Clean UTF-8 if supported - if (UTF8_ENABLED === TRUE) - { - return $this->uni->clean_string($str); - } - - return $str; - } - - // -------------------------------------------------------------------- - - /** - * Request Headers - * - * @param bool $xss_clean Whether to apply XSS filtering - * @return array - */ - public function request_headers($xss_clean = FALSE) - { - // If header is already defined, return it immediately - if ( ! empty($this->headers)) - { - return $this->_fetch_from_array($this->headers, NULL, $xss_clean); - } - - // In Apache, you can simply call apache_request_headers() - if (function_exists('apache_request_headers')) - { - $this->headers = apache_request_headers(); - } - else - { - isset($_SERVER['CONTENT_TYPE']) && $this->headers['Content-Type'] = $_SERVER['CONTENT_TYPE']; - - foreach ($_SERVER as $key => $val) - { - if (sscanf($key, 'HTTP_%s', $header) === 1) - { - // take SOME_HEADER and turn it into Some-Header - $header = str_replace('_', ' ', strtolower($header)); - $header = str_replace(' ', '-', ucwords($header)); - - $this->headers[$header] = $_SERVER[$key]; - } - } - } - - return $this->_fetch_from_array($this->headers, NULL, $xss_clean); - } - - // -------------------------------------------------------------------- - - /** - * Get Request Header - * - * Returns the value of a single member of the headers class member - * - * @param string $index Header name - * @param bool $xss_clean Whether to apply XSS filtering - * @return string|null The requested header on success or NULL on failure - */ - public function get_request_header($index, $xss_clean = FALSE) - { - static $headers; - - if ( ! isset($headers)) - { - empty($this->headers) && $this->request_headers(); - foreach ($this->headers as $key => $value) - { - $headers[strtolower($key)] = $value; - } - } - - $index = strtolower($index); - - if ( ! isset($headers[$index])) - { - return NULL; - } - - return ($xss_clean === TRUE) - ? $this->security->xss_clean($headers[$index]) - : $headers[$index]; - } - - // -------------------------------------------------------------------- - - /** - * Is AJAX request? - * - * Test to see if a request contains the HTTP_X_REQUESTED_WITH header. - * - * @return bool - */ - public function is_ajax_request() - { - return ( ! empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest'); - } - - // -------------------------------------------------------------------- - - /** - * Is CLI request? - * - * Test to see if a request was made from the command line. - * - * @deprecated 3.0.0 Use is_cli() instead - * @return bool - */ - public function is_cli_request() - { - return is_cli(); - } - - // -------------------------------------------------------------------- - - /** - * Get Request Method - * - * Return the request method - * - * @param bool $upper Whether to return in upper or lower case - * (default: FALSE) - * @return string - */ - public function method($upper = FALSE) - { - return ($upper) - ? strtoupper($this->server('REQUEST_METHOD')) - : strtolower($this->server('REQUEST_METHOD')); - } - - // ------------------------------------------------------------------------ - - /** - * Magic __get() - * - * Allows read access to protected properties - * - * @param string $name - * @return mixed - */ - public function __get($name) - { - if ($name === 'raw_input_stream') - { - isset($this->_raw_input_stream) OR $this->_raw_input_stream = file_get_contents('php://input'); - return $this->_raw_input_stream; - } - elseif ($name === 'ip_address') - { - return $this->ip_address; - } - } - -} diff --git a/system/core/Lang.php b/system/core/Lang.php deleted file mode 100644 index 39fdd06..0000000 --- a/system/core/Lang.php +++ /dev/null @@ -1,203 +0,0 @@ -load($value, $idiom, $return, $add_suffix, $alt_path); - } - - return; - } - - $langfile = str_replace('.php', '', $langfile); - - if ($add_suffix === TRUE) - { - $langfile = preg_replace('/_lang$/', '', $langfile).'_lang'; - } - - $langfile .= '.php'; - - if (empty($idiom) OR ! preg_match('/^[a-z_-]+$/i', $idiom)) - { - $config =& get_config(); - $idiom = empty($config['language']) ? 'english' : $config['language']; - } - - if ($return === FALSE && isset($this->is_loaded[$langfile]) && $this->is_loaded[$langfile] === $idiom) - { - return; - } - - // Load the base file, so any others found can override it - $basepath = BASEPATH.'language/'.$idiom.'/'.$langfile; - if (($found = file_exists($basepath)) === TRUE) - { - include($basepath); - } - - // Do we have an alternative path to look in? - if ($alt_path !== '') - { - $alt_path .= 'language/'.$idiom.'/'.$langfile; - if (file_exists($alt_path)) - { - include($alt_path); - $found = TRUE; - } - } - else - { - foreach (get_instance()->load->get_package_paths(TRUE) as $package_path) - { - $package_path .= 'language/'.$idiom.'/'.$langfile; - if ($basepath !== $package_path && file_exists($package_path)) - { - include($package_path); - $found = TRUE; - break; - } - } - } - - if ($found !== TRUE) - { - show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile); - } - - if ( ! isset($lang) OR ! is_array($lang)) - { - log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile); - - if ($return === TRUE) - { - return array(); - } - return; - } - - if ($return === TRUE) - { - return $lang; - } - - $this->is_loaded[$langfile] = $idiom; - $this->language = array_merge($this->language, $lang); - - log_message('info', 'Language file loaded: language/'.$idiom.'/'.$langfile); - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Language line - * - * Fetches a single line of text from the language array - * - * @param string $line Language line key - * @param bool $log_errors Whether to log an error message if the line is not found - * @return string Translation - */ - public function line($line, $log_errors = TRUE) - { - $value = isset($this->language[$line]) ? $this->language[$line] : FALSE; - - // Because killer robots like unicorns! - if ($value === FALSE && $log_errors === TRUE) - { - log_message('error', 'Could not find the language line "'.$line.'"'); - } - - return $value; - } - -} diff --git a/system/core/Loader.php b/system/core/Loader.php deleted file mode 100644 index c84aff3..0000000 --- a/system/core/Loader.php +++ /dev/null @@ -1,1415 +0,0 @@ - TRUE); - - /** - * List of paths to load libraries from - * - * @var array - */ - protected $_ci_library_paths = array(APPPATH, BASEPATH); - - /** - * List of paths to load models from - * - * @var array - */ - protected $_ci_model_paths = array(APPPATH); - - /** - * List of paths to load helpers from - * - * @var array - */ - protected $_ci_helper_paths = array(APPPATH, BASEPATH); - - /** - * List of cached variables - * - * @var array - */ - protected $_ci_cached_vars = array(); - - /** - * List of loaded classes - * - * @var array - */ - protected $_ci_classes = array(); - - /** - * List of loaded models - * - * @var array - */ - protected $_ci_models = array(); - - /** - * List of loaded helpers - * - * @var array - */ - protected $_ci_helpers = array(); - - /** - * List of class name mappings - * - * @var array - */ - protected $_ci_varmap = array( - 'unit_test' => 'unit', - 'user_agent' => 'agent' - ); - - // -------------------------------------------------------------------- - - /** - * Class constructor - * - * Sets component load paths, gets the initial output buffering level. - * - * @return void - */ - public function __construct() - { - $this->_ci_ob_level = ob_get_level(); - $this->_ci_classes =& is_loaded(); - - log_message('info', 'Loader Class Initialized'); - } - - // -------------------------------------------------------------------- - - /** - * Initializer - * - * @todo Figure out a way to move this to the constructor - * without breaking *package_path*() methods. - * @uses CI_Loader::_ci_autoloader() - * @used-by CI_Controller::__construct() - * @return void - */ - public function initialize() - { - $this->_ci_autoloader(); - } - - // -------------------------------------------------------------------- - - /** - * Is Loaded - * - * A utility method to test if a class is in the self::$_ci_classes array. - * - * @used-by Mainly used by Form Helper function _get_validation_object(). - * - * @param string $class Class name to check for - * @return string|bool Class object name if loaded or FALSE - */ - public function is_loaded($class) - { - return array_search(ucfirst($class), $this->_ci_classes, TRUE); - } - - // -------------------------------------------------------------------- - - /** - * Library Loader - * - * Loads and instantiates libraries. - * Designed to be called from application controllers. - * - * @param mixed $library Library name - * @param array $params Optional parameters to pass to the library class constructor - * @param string $object_name An optional object name to assign to - * @return object - */ - public function library($library, $params = NULL, $object_name = NULL) - { - if (empty($library)) - { - return $this; - } - elseif (is_array($library)) - { - foreach ($library as $key => $value) - { - if (is_int($key)) - { - $this->library($value, $params); - } - else - { - $this->library($key, $params, $value); - } - } - - return $this; - } - - if ($params !== NULL && ! is_array($params)) - { - $params = NULL; - } - - $this->_ci_load_library($library, $params, $object_name); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Model Loader - * - * Loads and instantiates models. - * - * @param mixed $model Model name - * @param string $name An optional object name to assign to - * @param bool $db_conn An optional database connection configuration to initialize - * @return object - */ - public function model($model, $name = '', $db_conn = FALSE) - { - if (empty($model)) - { - return $this; - } - elseif (is_array($model)) - { - foreach ($model as $key => $value) - { - is_int($key) ? $this->model($value, '', $db_conn) : $this->model($key, $value, $db_conn); - } - - return $this; - } - - $path = ''; - - // Is the model in a sub-folder? If so, parse out the filename and path. - if (($last_slash = strrpos($model, '/')) !== FALSE) - { - // The path is in front of the last slash - $path = substr($model, 0, ++$last_slash); - - // And the model name behind it - $model = substr($model, $last_slash); - } - - if (empty($name)) - { - $name = $model; - } - - if (in_array($name, $this->_ci_models, TRUE)) - { - return $this; - } - - $CI =& get_instance(); - if (isset($CI->$name)) - { - throw new RuntimeException('The model name you are loading is the name of a resource that is already being used: '.$name); - } - - if ($db_conn !== FALSE && ! class_exists('CI_DB', FALSE)) - { - if ($db_conn === TRUE) - { - $db_conn = ''; - } - - $this->database($db_conn, FALSE, TRUE); - } - - // Note: All of the code under this condition used to be just: - // - // load_class('Model', 'core'); - // - // However, load_class() instantiates classes - // to cache them for later use and that prevents - // MY_Model from being an abstract class and is - // sub-optimal otherwise anyway. - if ( ! class_exists('CI_Model', FALSE)) - { - $app_path = APPPATH.'core'.DIRECTORY_SEPARATOR; - if (file_exists($app_path.'Model.php')) - { - require_once($app_path.'Model.php'); - if ( ! class_exists('CI_Model', FALSE)) - { - throw new RuntimeException($app_path."Model.php exists, but doesn't declare class CI_Model"); - } - - log_message('info', 'CI_Model class loaded'); - } - elseif ( ! class_exists('CI_Model', FALSE)) - { - require_once(BASEPATH.'core'.DIRECTORY_SEPARATOR.'Model.php'); - } - - $class = config_item('subclass_prefix').'Model'; - if (file_exists($app_path.$class.'.php')) - { - require_once($app_path.$class.'.php'); - if ( ! class_exists($class, FALSE)) - { - throw new RuntimeException($app_path.$class.".php exists, but doesn't declare class ".$class); - } - - log_message('info', config_item('subclass_prefix').'Model class loaded'); - } - } - - $model = ucfirst($model); - if ( ! class_exists($model, FALSE)) - { - foreach ($this->_ci_model_paths as $mod_path) - { - if ( ! file_exists($mod_path.'models/'.$path.$model.'.php')) - { - continue; - } - - require_once($mod_path.'models/'.$path.$model.'.php'); - if ( ! class_exists($model, FALSE)) - { - throw new RuntimeException($mod_path."models/".$path.$model.".php exists, but doesn't declare class ".$model); - } - - break; - } - - if ( ! class_exists($model, FALSE)) - { - throw new RuntimeException('Unable to locate the model you have specified: '.$model); - } - } - elseif ( ! is_subclass_of($model, 'CI_Model')) - { - throw new RuntimeException("Class ".$model." already exists and doesn't extend CI_Model"); - } - - $this->_ci_models[] = $name; - $model = new $model(); - $CI->$name = $model; - log_message('info', 'Model "'.get_class($model).'" initialized'); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Database Loader - * - * @param mixed $params Database configuration options - * @param bool $return Whether to return the database object - * @param bool $query_builder Whether to enable Query Builder - * (overrides the configuration setting) - * - * @return object|bool Database object if $return is set to TRUE, - * FALSE on failure, CI_Loader instance in any other case - */ - public function database($params = '', $return = FALSE, $query_builder = NULL) - { - // Grab the super object - $CI =& get_instance(); - - // Do we even need to load the database class? - if ($return === FALSE && $query_builder === NULL && isset($CI->db) && is_object($CI->db) && ! empty($CI->db->conn_id)) - { - return FALSE; - } - - require_once(BASEPATH.'database/DB.php'); - - if ($return === TRUE) - { - return DB($params, $query_builder); - } - - // Initialize the db variable. Needed to prevent - // reference errors with some configurations - $CI->db = ''; - - // Load the DB class - $CI->db =& DB($params, $query_builder); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Load the Database Utilities Class - * - * @param object $db Database object - * @param bool $return Whether to return the DB Utilities class object or not - * @return object - */ - public function dbutil($db = NULL, $return = FALSE) - { - $CI =& get_instance(); - - if ( ! is_object($db) OR ! ($db instanceof CI_DB)) - { - class_exists('CI_DB', FALSE) OR $this->database(); - $db =& $CI->db; - } - - require_once(BASEPATH.'database/DB_utility.php'); - require_once(BASEPATH.'database/drivers/'.$db->dbdriver.'/'.$db->dbdriver.'_utility.php'); - $class = 'CI_DB_'.$db->dbdriver.'_utility'; - - if ($return === TRUE) - { - return new $class($db); - } - - $CI->dbutil = new $class($db); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Load the Database Forge Class - * - * @param object $db Database object - * @param bool $return Whether to return the DB Forge class object or not - * @return object - */ - public function dbforge($db = NULL, $return = FALSE) - { - $CI =& get_instance(); - if ( ! is_object($db) OR ! ($db instanceof CI_DB)) - { - class_exists('CI_DB', FALSE) OR $this->database(); - $db =& $CI->db; - } - - require_once(BASEPATH.'database/DB_forge.php'); - require_once(BASEPATH.'database/drivers/'.$db->dbdriver.'/'.$db->dbdriver.'_forge.php'); - - if ( ! empty($db->subdriver)) - { - $driver_path = BASEPATH.'database/drivers/'.$db->dbdriver.'/subdrivers/'.$db->dbdriver.'_'.$db->subdriver.'_forge.php'; - if (file_exists($driver_path)) - { - require_once($driver_path); - $class = 'CI_DB_'.$db->dbdriver.'_'.$db->subdriver.'_forge'; - } - } - else - { - $class = 'CI_DB_'.$db->dbdriver.'_forge'; - } - - if ($return === TRUE) - { - return new $class($db); - } - - $CI->dbforge = new $class($db); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * View Loader - * - * Loads "view" files. - * - * @param string $view View name - * @param array $vars An associative array of data - * to be extracted for use in the view - * @param bool $return Whether to return the view output - * or leave it to the Output class - * @return object|string - */ - public function view($view, $vars = array(), $return = FALSE) - { - return $this->_ci_load(array('_ci_view' => $view, '_ci_vars' => $this->_ci_prepare_view_vars($vars), '_ci_return' => $return)); - } - - // -------------------------------------------------------------------- - - /** - * Generic File Loader - * - * @param string $path File path - * @param bool $return Whether to return the file output - * @return object|string - */ - public function file($path, $return = FALSE) - { - return $this->_ci_load(array('_ci_path' => $path, '_ci_return' => $return)); - } - - // -------------------------------------------------------------------- - - /** - * Set Variables - * - * Once variables are set they become available within - * the controller class and its "view" files. - * - * @param array|object|string $vars - * An associative array or object containing values - * to be set, or a value's name if string - * @param string $val Value to set, only used if $vars is a string - * @return object - */ - public function vars($vars, $val = '') - { - $vars = is_string($vars) - ? array($vars => $val) - : $this->_ci_prepare_view_vars($vars); - - foreach ($vars as $key => $val) - { - $this->_ci_cached_vars[$key] = $val; - } - - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Clear Cached Variables - * - * Clears the cached variables. - * - * @return CI_Loader - */ - public function clear_vars() - { - $this->_ci_cached_vars = array(); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Get Variable - * - * Check if a variable is set and retrieve it. - * - * @param string $key Variable name - * @return mixed The variable or NULL if not found - */ - public function get_var($key) - { - return isset($this->_ci_cached_vars[$key]) ? $this->_ci_cached_vars[$key] : NULL; - } - - // -------------------------------------------------------------------- - - /** - * Get Variables - * - * Retrieves all loaded variables. - * - * @return array - */ - public function get_vars() - { - return $this->_ci_cached_vars; - } - - // -------------------------------------------------------------------- - - /** - * Helper Loader - * - * @param string|string[] $helpers Helper name(s) - * @return object - */ - public function helper($helpers = array()) - { - is_array($helpers) OR $helpers = array($helpers); - foreach ($helpers as &$helper) - { - $filename = basename($helper); - $filepath = ($filename === $helper) ? '' : substr($helper, 0, strlen($helper) - strlen($filename)); - $filename = strtolower(preg_replace('#(_helper)?(\.php)?$#i', '', $filename)).'_helper'; - $helper = $filepath.$filename; - - if (isset($this->_ci_helpers[$helper])) - { - continue; - } - - // Is this a helper extension request? - $ext_helper = config_item('subclass_prefix').$filename; - $ext_loaded = FALSE; - foreach ($this->_ci_helper_paths as $path) - { - if (file_exists($path.'helpers/'.$ext_helper.'.php')) - { - include_once($path.'helpers/'.$ext_helper.'.php'); - $ext_loaded = TRUE; - } - } - - // If we have loaded extensions - check if the base one is here - if ($ext_loaded === TRUE) - { - $base_helper = BASEPATH.'helpers/'.$helper.'.php'; - if ( ! file_exists($base_helper)) - { - show_error('Unable to load the requested file: helpers/'.$helper.'.php'); - } - - include_once($base_helper); - $this->_ci_helpers[$helper] = TRUE; - log_message('info', 'Helper loaded: '.$helper); - continue; - } - - // No extensions found ... try loading regular helpers and/or overrides - foreach ($this->_ci_helper_paths as $path) - { - if (file_exists($path.'helpers/'.$helper.'.php')) - { - include_once($path.'helpers/'.$helper.'.php'); - - $this->_ci_helpers[$helper] = TRUE; - log_message('info', 'Helper loaded: '.$helper); - break; - } - } - - // unable to load the helper - if ( ! isset($this->_ci_helpers[$helper])) - { - show_error('Unable to load the requested file: helpers/'.$helper.'.php'); - } - } - - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Load Helpers - * - * An alias for the helper() method in case the developer has - * written the plural form of it. - * - * @uses CI_Loader::helper() - * @param string|string[] $helpers Helper name(s) - * @return object - */ - public function helpers($helpers = array()) - { - return $this->helper($helpers); - } - - // -------------------------------------------------------------------- - - /** - * Language Loader - * - * Loads language files. - * - * @param string|string[] $files List of language file names to load - * @param string Language name - * @return object - */ - public function language($files, $lang = '') - { - get_instance()->lang->load($files, $lang); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Config Loader - * - * Loads a config file (an alias for CI_Config::load()). - * - * @uses CI_Config::load() - * @param string $file Configuration file name - * @param bool $use_sections Whether configuration values should be loaded into their own section - * @param bool $fail_gracefully Whether to just return FALSE or display an error message - * @return bool TRUE if the file was loaded correctly or FALSE on failure - */ - public function config($file, $use_sections = FALSE, $fail_gracefully = FALSE) - { - return get_instance()->config->load($file, $use_sections, $fail_gracefully); - } - - // -------------------------------------------------------------------- - - /** - * Driver Loader - * - * Loads a driver library. - * - * @param string|string[] $library Driver name(s) - * @param array $params Optional parameters to pass to the driver - * @param string $object_name An optional object name to assign to - * - * @return object|bool Object or FALSE on failure if $library is a string - * and $object_name is set. CI_Loader instance otherwise. - */ - public function driver($library, $params = NULL, $object_name = NULL) - { - if (is_array($library)) - { - foreach ($library as $key => $value) - { - if (is_int($key)) - { - $this->driver($value, $params); - } - else - { - $this->driver($key, $params, $value); - } - } - - return $this; - } - elseif (empty($library)) - { - return FALSE; - } - - if ( ! class_exists('CI_Driver_Library', FALSE)) - { - // We aren't instantiating an object here, just making the base class available - require BASEPATH.'libraries/Driver.php'; - } - - // We can save the loader some time since Drivers will *always* be in a subfolder, - // and typically identically named to the library - if ( ! strpos($library, '/')) - { - $library = ucfirst($library).'/'.$library; - } - - return $this->library($library, $params, $object_name); - } - - // -------------------------------------------------------------------- - - /** - * Add Package Path - * - * Prepends a parent path to the library, model, helper and config - * path arrays. - * - * @see CI_Loader::$_ci_library_paths - * @see CI_Loader::$_ci_model_paths - * @see CI_Loader::$_ci_helper_paths - * @see CI_Config::$_config_paths - * - * @param string $path Path to add - * @param bool $view_cascade (default: TRUE) - * @return object - */ - public function add_package_path($path, $view_cascade = TRUE) - { - $path = rtrim($path, '/').'/'; - - array_unshift($this->_ci_library_paths, $path); - array_unshift($this->_ci_model_paths, $path); - array_unshift($this->_ci_helper_paths, $path); - - $this->_ci_view_paths = array($path.'views/' => $view_cascade) + $this->_ci_view_paths; - - // Add config file path - $config =& $this->_ci_get_component('config'); - $config->_config_paths[] = $path; - - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Get Package Paths - * - * Return a list of all package paths. - * - * @param bool $include_base Whether to include BASEPATH (default: FALSE) - * @return array - */ - public function get_package_paths($include_base = FALSE) - { - return ($include_base === TRUE) ? $this->_ci_library_paths : $this->_ci_model_paths; - } - - // -------------------------------------------------------------------- - - /** - * Remove Package Path - * - * Remove a path from the library, model, helper and/or config - * path arrays if it exists. If no path is provided, the most recently - * added path will be removed removed. - * - * @param string $path Path to remove - * @return object - */ - public function remove_package_path($path = '') - { - $config =& $this->_ci_get_component('config'); - - if ($path === '') - { - array_shift($this->_ci_library_paths); - array_shift($this->_ci_model_paths); - array_shift($this->_ci_helper_paths); - array_shift($this->_ci_view_paths); - array_pop($config->_config_paths); - } - else - { - $path = rtrim($path, '/').'/'; - foreach (array('_ci_library_paths', '_ci_model_paths', '_ci_helper_paths') as $var) - { - if (($key = array_search($path, $this->{$var})) !== FALSE) - { - unset($this->{$var}[$key]); - } - } - - if (isset($this->_ci_view_paths[$path.'views/'])) - { - unset($this->_ci_view_paths[$path.'views/']); - } - - if (($key = array_search($path, $config->_config_paths)) !== FALSE) - { - unset($config->_config_paths[$key]); - } - } - - // make sure the application default paths are still in the array - $this->_ci_library_paths = array_unique(array_merge($this->_ci_library_paths, array(APPPATH, BASEPATH))); - $this->_ci_helper_paths = array_unique(array_merge($this->_ci_helper_paths, array(APPPATH, BASEPATH))); - $this->_ci_model_paths = array_unique(array_merge($this->_ci_model_paths, array(APPPATH))); - $this->_ci_view_paths = array_merge($this->_ci_view_paths, array(APPPATH.'views/' => TRUE)); - $config->_config_paths = array_unique(array_merge($config->_config_paths, array(APPPATH))); - - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Internal CI Data Loader - * - * Used to load views and files. - * - * Variables are prefixed with _ci_ to avoid symbol collision with - * variables made available to view files. - * - * @used-by CI_Loader::view() - * @used-by CI_Loader::file() - * @param array $_ci_data Data to load - * @return object - */ - protected function _ci_load($_ci_data) - { - // Set the default data variables - foreach (array('_ci_view', '_ci_vars', '_ci_path', '_ci_return') as $_ci_val) - { - $$_ci_val = isset($_ci_data[$_ci_val]) ? $_ci_data[$_ci_val] : FALSE; - } - - $file_exists = FALSE; - - // Set the path to the requested file - if (is_string($_ci_path) && $_ci_path !== '') - { - $_ci_x = explode('/', $_ci_path); - $_ci_file = end($_ci_x); - } - else - { - $_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION); - $_ci_file = ($_ci_ext === '') ? $_ci_view.'.php' : $_ci_view; - - foreach ($this->_ci_view_paths as $_ci_view_file => $cascade) - { - if (file_exists($_ci_view_file.$_ci_file)) - { - $_ci_path = $_ci_view_file.$_ci_file; - $file_exists = TRUE; - break; - } - - if ( ! $cascade) - { - break; - } - } - } - - if ( ! $file_exists && ! file_exists($_ci_path)) - { - show_error('Unable to load the requested file: '.$_ci_file); - } - - // This allows anything loaded using $this->load (views, files, etc.) - // to become accessible from within the Controller and Model functions. - $_ci_CI =& get_instance(); - foreach (get_object_vars($_ci_CI) as $_ci_key => $_ci_var) - { - if ( ! isset($this->$_ci_key)) - { - $this->$_ci_key =& $_ci_CI->$_ci_key; - } - } - - /* - * Extract and cache variables - * - * You can either set variables using the dedicated $this->load->vars() - * function or via the second parameter of this function. We'll merge - * the two types and cache them so that views that are embedded within - * other views can have access to these variables. - */ - empty($_ci_vars) OR $this->_ci_cached_vars = array_merge($this->_ci_cached_vars, $_ci_vars); - extract($this->_ci_cached_vars); - - /* - * Buffer the output - * - * We buffer the output for two reasons: - * 1. Speed. You get a significant speed boost. - * 2. So that the final rendered template can be post-processed by - * the output class. Why do we need post processing? For one thing, - * in order to show the elapsed page load time. Unless we can - * intercept the content right before it's sent to the browser and - * then stop the timer it won't be accurate. - */ - ob_start(); - - // If the PHP installation does not support short tags we'll - // do a little string replacement, changing the short tags - // to standard PHP echo statements. - if ( ! is_php('5.4') && ! ini_get('short_open_tag') && config_item('rewrite_short_tags') === TRUE) - { - echo eval('?>'.preg_replace('/;*\s*\?>/', '; ?>', str_replace(' $this->_ci_ob_level + 1) - { - ob_end_flush(); - } - else - { - $_ci_CI->output->append_output(ob_get_contents()); - @ob_end_clean(); - } - - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Internal CI Library Loader - * - * @used-by CI_Loader::library() - * @uses CI_Loader::_ci_init_library() - * - * @param string $class Class name to load - * @param mixed $params Optional parameters to pass to the class constructor - * @param string $object_name Optional object name to assign to - * @return void - */ - protected function _ci_load_library($class, $params = NULL, $object_name = NULL) - { - // Get the class name, and while we're at it trim any slashes. - // The directory path can be included as part of the class name, - // but we don't want a leading slash - $class = str_replace('.php', '', trim($class, '/')); - - // Was the path included with the class name? - // We look for a slash to determine this - if (($last_slash = strrpos($class, '/')) !== FALSE) - { - // Extract the path - $subdir = substr($class, 0, ++$last_slash); - - // Get the filename from the path - $class = substr($class, $last_slash); - } - else - { - $subdir = ''; - } - - $class = ucfirst($class); - - // Is this a stock library? There are a few special conditions if so ... - if (file_exists(BASEPATH.'libraries/'.$subdir.$class.'.php')) - { - return $this->_ci_load_stock_library($class, $subdir, $params, $object_name); - } - - // Safety: Was the class already loaded by a previous call? - if (class_exists($class, FALSE)) - { - $property = $object_name; - if (empty($property)) - { - $property = strtolower($class); - isset($this->_ci_varmap[$property]) && $property = $this->_ci_varmap[$property]; - } - - $CI =& get_instance(); - if (isset($CI->$property)) - { - log_message('debug', $class.' class already loaded. Second attempt ignored.'); - return; - } - - return $this->_ci_init_library($class, '', $params, $object_name); - } - - // Let's search for the requested library file and load it. - foreach ($this->_ci_library_paths as $path) - { - // BASEPATH has already been checked for - if ($path === BASEPATH) - { - continue; - } - - $filepath = $path.'libraries/'.$subdir.$class.'.php'; - // Does the file exist? No? Bummer... - if ( ! file_exists($filepath)) - { - continue; - } - - include_once($filepath); - return $this->_ci_init_library($class, '', $params, $object_name); - } - - // One last attempt. Maybe the library is in a subdirectory, but it wasn't specified? - if ($subdir === '') - { - return $this->_ci_load_library($class.'/'.$class, $params, $object_name); - } - - // If we got this far we were unable to find the requested class. - log_message('error', 'Unable to load the requested class: '.$class); - show_error('Unable to load the requested class: '.$class); - } - - // -------------------------------------------------------------------- - - /** - * Internal CI Stock Library Loader - * - * @used-by CI_Loader::_ci_load_library() - * @uses CI_Loader::_ci_init_library() - * - * @param string $library_name Library name to load - * @param string $file_path Path to the library filename, relative to libraries/ - * @param mixed $params Optional parameters to pass to the class constructor - * @param string $object_name Optional object name to assign to - * @return void - */ - protected function _ci_load_stock_library($library_name, $file_path, $params, $object_name) - { - $prefix = 'CI_'; - - if (class_exists($prefix.$library_name, FALSE)) - { - if (class_exists(config_item('subclass_prefix').$library_name, FALSE)) - { - $prefix = config_item('subclass_prefix'); - } - - $property = $object_name; - if (empty($property)) - { - $property = strtolower($library_name); - isset($this->_ci_varmap[$property]) && $property = $this->_ci_varmap[$property]; - } - - $CI =& get_instance(); - if ( ! isset($CI->$property)) - { - return $this->_ci_init_library($library_name, $prefix, $params, $object_name); - } - - log_message('debug', $library_name.' class already loaded. Second attempt ignored.'); - return; - } - - $paths = $this->_ci_library_paths; - array_pop($paths); // BASEPATH - array_pop($paths); // APPPATH (needs to be the first path checked) - array_unshift($paths, APPPATH); - - foreach ($paths as $path) - { - if (file_exists($path = $path.'libraries/'.$file_path.$library_name.'.php')) - { - // Override - include_once($path); - if (class_exists($prefix.$library_name, FALSE)) - { - return $this->_ci_init_library($library_name, $prefix, $params, $object_name); - } - - log_message('debug', $path.' exists, but does not declare '.$prefix.$library_name); - } - } - - include_once(BASEPATH.'libraries/'.$file_path.$library_name.'.php'); - - // Check for extensions - $subclass = config_item('subclass_prefix').$library_name; - foreach ($paths as $path) - { - if (file_exists($path = $path.'libraries/'.$file_path.$subclass.'.php')) - { - include_once($path); - if (class_exists($subclass, FALSE)) - { - $prefix = config_item('subclass_prefix'); - break; - } - - log_message('debug', $path.' exists, but does not declare '.$subclass); - } - } - - return $this->_ci_init_library($library_name, $prefix, $params, $object_name); - } - - // -------------------------------------------------------------------- - - /** - * Internal CI Library Instantiator - * - * @used-by CI_Loader::_ci_load_stock_library() - * @used-by CI_Loader::_ci_load_library() - * - * @param string $class Class name - * @param string $prefix Class name prefix - * @param array|null|bool $config Optional configuration to pass to the class constructor: - * FALSE to skip; - * NULL to search in config paths; - * array containing configuration data - * @param string $object_name Optional object name to assign to - * @return void - */ - protected function _ci_init_library($class, $prefix, $config = FALSE, $object_name = NULL) - { - // Is there an associated config file for this class? Note: these should always be lowercase - if ($config === NULL) - { - // Fetch the config paths containing any package paths - $config_component = $this->_ci_get_component('config'); - - if (is_array($config_component->_config_paths)) - { - $found = FALSE; - foreach ($config_component->_config_paths as $path) - { - // We test for both uppercase and lowercase, for servers that - // are case-sensitive with regard to file names. Load global first, - // override with environment next - if (file_exists($path.'config/'.strtolower($class).'.php')) - { - include($path.'config/'.strtolower($class).'.php'); - $found = TRUE; - } - elseif (file_exists($path.'config/'.ucfirst(strtolower($class)).'.php')) - { - include($path.'config/'.ucfirst(strtolower($class)).'.php'); - $found = TRUE; - } - - if (file_exists($path.'config/'.ENVIRONMENT.'/'.strtolower($class).'.php')) - { - include($path.'config/'.ENVIRONMENT.'/'.strtolower($class).'.php'); - $found = TRUE; - } - elseif (file_exists($path.'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php')) - { - include($path.'config/'.ENVIRONMENT.'/'.ucfirst(strtolower($class)).'.php'); - $found = TRUE; - } - - // Break on the first found configuration, thus package - // files are not overridden by default paths - if ($found === TRUE) - { - break; - } - } - } - } - - $class_name = $prefix.$class; - - // Is the class name valid? - if ( ! class_exists($class_name, FALSE)) - { - log_message('error', 'Non-existent class: '.$class_name); - show_error('Non-existent class: '.$class_name); - } - - // Set the variable name we will assign the class to - // Was a custom class name supplied? If so we'll use it - if (empty($object_name)) - { - $object_name = strtolower($class); - if (isset($this->_ci_varmap[$object_name])) - { - $object_name = $this->_ci_varmap[$object_name]; - } - } - - // Don't overwrite existing properties - $CI =& get_instance(); - if (isset($CI->$object_name)) - { - if ($CI->$object_name instanceof $class_name) - { - log_message('debug', $class_name." has already been instantiated as '".$object_name."'. Second attempt aborted."); - return; - } - - show_error("Resource '".$object_name."' already exists and is not a ".$class_name." instance."); - } - - // Save the class name and object name - $this->_ci_classes[$object_name] = $class; - - // Instantiate the class - $CI->$object_name = isset($config) - ? new $class_name($config) - : new $class_name(); - } - - // -------------------------------------------------------------------- - - /** - * CI Autoloader - * - * Loads component listed in the config/autoload.php file. - * - * @used-by CI_Loader::initialize() - * @return void - */ - protected function _ci_autoloader() - { - if (file_exists(APPPATH.'config/autoload.php')) - { - include(APPPATH.'config/autoload.php'); - } - - if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php')) - { - include(APPPATH.'config/'.ENVIRONMENT.'/autoload.php'); - } - - if ( ! isset($autoload)) - { - return; - } - - // Autoload packages - if (isset($autoload['packages'])) - { - foreach ($autoload['packages'] as $package_path) - { - $this->add_package_path($package_path); - } - } - - // Load any custom config file - if (count($autoload['config']) > 0) - { - foreach ($autoload['config'] as $val) - { - $this->config($val); - } - } - - // Autoload helpers and languages - foreach (array('helper', 'language') as $type) - { - if (isset($autoload[$type]) && count($autoload[$type]) > 0) - { - $this->$type($autoload[$type]); - } - } - - // Autoload drivers - if (isset($autoload['drivers'])) - { - $this->driver($autoload['drivers']); - } - - // Load libraries - if (isset($autoload['libraries']) && count($autoload['libraries']) > 0) - { - // Load the database driver. - if (in_array('database', $autoload['libraries'])) - { - $this->database(); - $autoload['libraries'] = array_diff($autoload['libraries'], array('database')); - } - - // Load all other libraries - $this->library($autoload['libraries']); - } - - // Autoload models - if (isset($autoload['model'])) - { - $this->model($autoload['model']); - } - } - - // -------------------------------------------------------------------- - - /** - * Prepare variables for _ci_vars, to be later extract()-ed inside views - * - * Converts objects to associative arrays and filters-out internal - * variable names (i.e. keys prefixed with '_ci_'). - * - * @param mixed $vars - * @return array - */ - protected function _ci_prepare_view_vars($vars) - { - if ( ! is_array($vars)) - { - $vars = is_object($vars) - ? get_object_vars($vars) - : array(); - } - - foreach (array_keys($vars) as $key) - { - if (strncmp($key, '_ci_', 4) === 0) - { - unset($vars[$key]); - } - } - - return $vars; - } - - // -------------------------------------------------------------------- - - /** - * CI Component getter - * - * Get a reference to a specific library or model. - * - * @param string $component Component name - * @return bool - */ - protected function &_ci_get_component($component) - { - $CI =& get_instance(); - return $CI->$component; - } -} diff --git a/system/core/Log.php b/system/core/Log.php deleted file mode 100644 index a2b464c..0000000 --- a/system/core/Log.php +++ /dev/null @@ -1,296 +0,0 @@ - 1, 'DEBUG' => 2, 'INFO' => 3, 'ALL' => 4); - - /** - * mbstring.func_overload flag - * - * @var bool - */ - protected static $func_overload; - - // -------------------------------------------------------------------- - - /** - * Class constructor - * - * @return void - */ - public function __construct() - { - $config =& get_config(); - - isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload')); - - $this->_log_path = ($config['log_path'] !== '') ? $config['log_path'] : APPPATH.'logs/'; - $this->_file_ext = (isset($config['log_file_extension']) && $config['log_file_extension'] !== '') - ? ltrim($config['log_file_extension'], '.') : 'php'; - - file_exists($this->_log_path) OR mkdir($this->_log_path, 0755, TRUE); - - if ( ! is_dir($this->_log_path) OR ! is_really_writable($this->_log_path)) - { - $this->_enabled = FALSE; - } - - if (is_numeric($config['log_threshold'])) - { - $this->_threshold = (int) $config['log_threshold']; - } - elseif (is_array($config['log_threshold'])) - { - $this->_threshold = 0; - $this->_threshold_array = array_flip($config['log_threshold']); - } - - if ( ! empty($config['log_date_format'])) - { - $this->_date_fmt = $config['log_date_format']; - } - - if ( ! empty($config['log_file_permissions']) && is_int($config['log_file_permissions'])) - { - $this->_file_permissions = $config['log_file_permissions']; - } - } - - // -------------------------------------------------------------------- - - /** - * Write Log File - * - * Generally this function will be called using the global log_message() function - * - * @param string $level The error level: 'error', 'debug' or 'info' - * @param string $msg The error message - * @return bool - */ - public function write_log($level, $msg) - { - if ($this->_enabled === FALSE) - { - return FALSE; - } - - $level = strtoupper($level); - - if (( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold)) - && ! isset($this->_threshold_array[$this->_levels[$level]])) - { - return FALSE; - } - - $filepath = $this->_log_path.'log-'.date('Y-m-d').'.'.$this->_file_ext; - $message = ''; - - if ( ! file_exists($filepath)) - { - $newfile = TRUE; - // Only add protection to php files - if ($this->_file_ext === 'php') - { - $message .= "\n\n"; - } - } - - if ( ! $fp = @fopen($filepath, 'ab')) - { - return FALSE; - } - - flock($fp, LOCK_EX); - - // Instantiating DateTime with microseconds appended to initial date is needed for proper support of this format - if (strpos($this->_date_fmt, 'u') !== FALSE) - { - $microtime_full = microtime(TRUE); - $microtime_short = sprintf("%06d", ($microtime_full - floor($microtime_full)) * 1000000); - $date = new DateTime(date('Y-m-d H:i:s.'.$microtime_short, $microtime_full)); - $date = $date->format($this->_date_fmt); - } - else - { - $date = date($this->_date_fmt); - } - - $message .= $this->_format_line($level, $date, $msg); - - for ($written = 0, $length = self::strlen($message); $written < $length; $written += $result) - { - if (($result = fwrite($fp, self::substr($message, $written))) === FALSE) - { - break; - } - } - - flock($fp, LOCK_UN); - fclose($fp); - - if (isset($newfile) && $newfile === TRUE) - { - chmod($filepath, $this->_file_permissions); - } - - return is_int($result); - } - - // -------------------------------------------------------------------- - - /** - * Format the log line. - * - * This is for extensibility of log formatting - * If you want to change the log format, extend the CI_Log class and override this method - * - * @param string $level The error level - * @param string $date Formatted date string - * @param string $message The log message - * @return string Formatted log line with a new line character '\n' at the end - */ - protected function _format_line($level, $date, $message) - { - return $level.' - '.$date.' --> '.$message."\n"; - } - - // -------------------------------------------------------------------- - - /** - * Byte-safe strlen() - * - * @param string $str - * @return int - */ - protected static function strlen($str) - { - return (self::$func_overload) - ? mb_strlen($str, '8bit') - : strlen($str); - } - - // -------------------------------------------------------------------- - - /** - * Byte-safe substr() - * - * @param string $str - * @param int $start - * @param int $length - * @return string - */ - protected static function substr($str, $start, $length = NULL) - { - if (self::$func_overload) - { - // mb_substr($str, $start, null, '8bit') returns an empty - // string on PHP 5.3 - isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start); - return mb_substr($str, $start, $length, '8bit'); - } - - return isset($length) - ? substr($str, $start, $length) - : substr($str, $start); - } -} diff --git a/system/core/Model.php b/system/core/Model.php deleted file mode 100644 index dd11dd2..0000000 --- a/system/core/Model.php +++ /dev/null @@ -1,76 +0,0 @@ -$key; - } - -} diff --git a/system/core/Output.php b/system/core/Output.php deleted file mode 100644 index 3cda062..0000000 --- a/system/core/Output.php +++ /dev/null @@ -1,842 +0,0 @@ -_zlib_oc = (bool) ini_get('zlib.output_compression'); - $this->_compress_output = ( - $this->_zlib_oc === FALSE - && config_item('compress_output') === TRUE - && extension_loaded('zlib') - ); - - isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload')); - - // Get mime types for later - $this->mimes =& get_mimes(); - - log_message('info', 'Output Class Initialized'); - } - - // -------------------------------------------------------------------- - - /** - * Get Output - * - * Returns the current output string. - * - * @return string - */ - public function get_output() - { - return $this->final_output; - } - - // -------------------------------------------------------------------- - - /** - * Set Output - * - * Sets the output string. - * - * @param string $output Output data - * @return CI_Output - */ - public function set_output($output) - { - $this->final_output = $output; - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Append Output - * - * Appends data onto the output string. - * - * @param string $output Data to append - * @return CI_Output - */ - public function append_output($output) - { - $this->final_output .= $output; - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Set Header - * - * Lets you set a server header which will be sent with the final output. - * - * Note: If a file is cached, headers will not be sent. - * @todo We need to figure out how to permit headers to be cached. - * - * @param string $header Header - * @param bool $replace Whether to replace the old header value, if already set - * @return CI_Output - */ - public function set_header($header, $replace = TRUE) - { - // If zlib.output_compression is enabled it will compress the output, - // but it will not modify the content-length header to compensate for - // the reduction, causing the browser to hang waiting for more data. - // We'll just skip content-length in those cases. - if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) === 0) - { - return $this; - } - - $this->headers[] = array($header, $replace); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Set Content-Type Header - * - * @param string $mime_type Extension of the file we're outputting - * @param string $charset Character set (default: NULL) - * @return CI_Output - */ - public function set_content_type($mime_type, $charset = NULL) - { - if (strpos($mime_type, '/') === FALSE) - { - $extension = ltrim($mime_type, '.'); - - // Is this extension supported? - if (isset($this->mimes[$extension])) - { - $mime_type =& $this->mimes[$extension]; - - if (is_array($mime_type)) - { - $mime_type = current($mime_type); - } - } - } - - $this->mime_type = $mime_type; - - if (empty($charset)) - { - $charset = config_item('charset'); - } - - $header = 'Content-Type: '.$mime_type - .(empty($charset) ? '' : '; charset='.$charset); - - $this->headers[] = array($header, TRUE); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Get Current Content-Type Header - * - * @return string 'text/html', if not already set - */ - public function get_content_type() - { - for ($i = 0, $c = count($this->headers); $i < $c; $i++) - { - if (sscanf($this->headers[$i][0], 'Content-Type: %[^;]', $content_type) === 1) - { - return $content_type; - } - } - - return 'text/html'; - } - - // -------------------------------------------------------------------- - - /** - * Get Header - * - * @param string $header - * @return string - */ - public function get_header($header) - { - // Combine headers already sent with our batched headers - $headers = array_merge( - // We only need [x][0] from our multi-dimensional array - array_map('array_shift', $this->headers), - headers_list() - ); - - if (empty($headers) OR empty($header)) - { - return NULL; - } - - // Count backwards, in order to get the last matching header - for ($c = count($headers) - 1; $c > -1; $c--) - { - if (strncasecmp($header, $headers[$c], $l = self::strlen($header)) === 0) - { - return trim(self::substr($headers[$c], $l+1)); - } - } - - return NULL; - } - - // -------------------------------------------------------------------- - - /** - * Set HTTP Status Header - * - * As of version 1.7.2, this is an alias for common function - * set_status_header(). - * - * @param int $code Status code (default: 200) - * @param string $text Optional message - * @return CI_Output - */ - public function set_status_header($code = 200, $text = '') - { - set_status_header($code, $text); - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Enable/disable Profiler - * - * @param bool $val TRUE to enable or FALSE to disable - * @return CI_Output - */ - public function enable_profiler($val = TRUE) - { - $this->enable_profiler = is_bool($val) ? $val : TRUE; - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Set Profiler Sections - * - * Allows override of default/config settings for - * Profiler section display. - * - * @param array $sections Profiler sections - * @return CI_Output - */ - public function set_profiler_sections($sections) - { - if (isset($sections['query_toggle_count'])) - { - $this->_profiler_sections['query_toggle_count'] = (int) $sections['query_toggle_count']; - unset($sections['query_toggle_count']); - } - - foreach ($sections as $section => $enable) - { - $this->_profiler_sections[$section] = ($enable !== FALSE); - } - - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Set Cache - * - * @param int $time Cache expiration time in minutes - * @return CI_Output - */ - public function cache($time) - { - $this->cache_expiration = is_numeric($time) ? $time : 0; - return $this; - } - - // -------------------------------------------------------------------- - - /** - * Display Output - * - * Processes and sends finalized output data to the browser along - * with any server headers and profile data. It also stops benchmark - * timers so the page rendering speed and memory usage can be shown. - * - * Note: All "view" data is automatically put into $this->final_output - * by controller class. - * - * @uses CI_Output::$final_output - * @param string $output Output data override - * @return void - */ - public function _display($output = '') - { - // Note: We use load_class() because we can't use $CI =& get_instance() - // since this function is sometimes called by the caching mechanism, - // which happens before the CI super object is available. - $BM =& load_class('Benchmark', 'core'); - $CFG =& load_class('Config', 'core'); - - // Grab the super object if we can. - if (class_exists('CI_Controller', FALSE)) - { - $CI =& get_instance(); - } - - // -------------------------------------------------------------------- - - // Set the output data - if ($output === '') - { - $output =& $this->final_output; - } - - // -------------------------------------------------------------------- - - // Do we need to write a cache file? Only if the controller does not have its - // own _output() method and we are not dealing with a cache file, which we - // can determine by the existence of the $CI object above - if ($this->cache_expiration > 0 && isset($CI) && ! method_exists($CI, '_output')) - { - $this->_write_cache($output); - } - - // -------------------------------------------------------------------- - - // Parse out the elapsed time and memory usage, - // then swap the pseudo-variables with the data - - $elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end'); - - if ($this->parse_exec_vars === TRUE) - { - $memory = round(memory_get_usage() / 1024 / 1024, 2).'MB'; - $output = str_replace(array('{elapsed_time}', '{memory_usage}'), array($elapsed, $memory), $output); - } - - // -------------------------------------------------------------------- - - // Is compression requested? - if (isset($CI) // This means that we're not serving a cache file, if we were, it would already be compressed - && $this->_compress_output === TRUE - && isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE) - { - ob_start('ob_gzhandler'); - } - - // -------------------------------------------------------------------- - - // Are there any server headers to send? - if (count($this->headers) > 0) - { - foreach ($this->headers as $header) - { - @header($header[0], $header[1]); - } - } - - // -------------------------------------------------------------------- - - // Does the $CI object exist? - // If not we know we are dealing with a cache file so we'll - // simply echo out the data and exit. - if ( ! isset($CI)) - { - if ($this->_compress_output === TRUE) - { - if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE) - { - header('Content-Encoding: gzip'); - header('Content-Length: '.self::strlen($output)); - } - else - { - // User agent doesn't support gzip compression, - // so we'll have to decompress our cache - $output = gzinflate(self::substr($output, 10, -8)); - } - } - - echo $output; - log_message('info', 'Final output sent to browser'); - log_message('debug', 'Total execution time: '.$elapsed); - return; - } - - // -------------------------------------------------------------------- - - // Do we need to generate profile data? - // If so, load the Profile class and run it. - if ($this->enable_profiler === TRUE) - { - $CI->load->library('profiler'); - if ( ! empty($this->_profiler_sections)) - { - $CI->profiler->set_sections($this->_profiler_sections); - } - - // If the output data contains closing