[1] | 1 | <?php |
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| 2 | /** |
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| 3 | * App.inc.php |
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| 4 | * code by strangecode :: www.strangecode.com :: this document contains copyrighted information |
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| 5 | * |
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| 6 | * Primary application framework class. |
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| 7 | * |
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| 8 | * @author Quinn Comendant <quinn@strangecode.com> |
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[106] | 9 | * @version 2.0 |
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[1] | 10 | */ |
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[42] | 11 | |
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[37] | 12 | // Message Types. |
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| 13 | define('MSG_ERR', 1); |
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| 14 | define('MSG_ERROR', MSG_ERR); |
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[1] | 15 | define('MSG_WARNING', 2); |
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[37] | 16 | define('MSG_NOTICE', 4); |
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| 17 | define('MSG_SUCCESS', 8); |
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[119] | 18 | define('MSG_ALL', MSG_SUCCESS | MSG_NOTICE | MSG_WARNING | MSG_ERROR); |
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[1] | 19 | |
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| 20 | require_once dirname(__FILE__) . '/Utilities.inc.php'; |
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| 21 | |
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| 22 | class App { |
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[42] | 23 | |
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[1] | 24 | // Name of this application. |
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| 25 | var $app = '_app_'; |
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| 26 | |
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[127] | 27 | // If $app->start has run successfully. |
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[1] | 28 | var $running = false; |
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| 29 | |
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| 30 | // Instance of database object. |
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| 31 | var $db; |
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[42] | 32 | |
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[20] | 33 | // Array of query arguments will be carried persistently between requests. |
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| 34 | var $_carry_queries = array(); |
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[1] | 35 | |
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| 36 | // Hash of global application parameters. |
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| 37 | var $_params = array(); |
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| 38 | |
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| 39 | // Default parameters. |
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| 40 | var $_param_defaults = array( |
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| 41 | |
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| 42 | // Public name and email address for this application. |
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| 43 | 'site_name' => null, |
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| 44 | 'site_email' => null, |
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[39] | 45 | 'site_url' => '', // URL automatically determined by _SERVER['HTTP_HOST'] if not set here. |
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[1] | 46 | |
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[123] | 47 | // The location the user will go if the system doesn't know where else to send them. |
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[1] | 48 | 'redirect_home_url' => '/', |
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[42] | 49 | |
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[127] | 50 | // SSL URL used when redirecting with $app->sslOn(). |
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[1] | 51 | 'ssl_domain' => null, |
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| 52 | 'ssl_enabled' => false, |
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[42] | 53 | |
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[20] | 54 | // Character set for page output. Used in the Content-Type header and the HTML <meta content-type> tag. |
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[1] | 55 | 'character_set' => 'utf-8', |
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| 56 | |
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| 57 | // Human-readable format used to display dates. |
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| 58 | 'date_format' => 'd M Y', |
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[101] | 59 | 'time_format' => 'h:i:s A', |
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[1] | 60 | 'sql_date_format' => '%e %b %Y', |
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| 61 | 'sql_time_format' => '%k:%i', |
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| 62 | |
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| 63 | // Use php sessions? |
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| 64 | 'enable_session' => false, |
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| 65 | 'session_name' => 'Strangecode', |
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| 66 | 'session_use_cookies' => true, |
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[42] | 67 | |
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[1] | 68 | // Use database? |
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| 69 | 'enable_db' => false, |
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| 70 | |
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| 71 | // Use db-based sessions? |
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| 72 | 'enable_db_session_handler' => false, |
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[42] | 73 | |
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[1] | 74 | // DB passwords should be set as apache environment variables in httpd.conf, readable only by root. |
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| 75 | 'db_server' => 'localhost', |
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| 76 | 'db_name' => null, |
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| 77 | 'db_user' => null, |
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| 78 | 'db_pass' => null, |
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| 79 | |
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| 80 | // Database debugging. |
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| 81 | 'db_always_debug' => false, // TRUE = display all SQL queries. |
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| 82 | 'db_debug' => false, // TRUE = display db errors. |
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| 83 | 'db_die_on_failure' => false, // TRUE = script stops on db error. |
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[42] | 84 | |
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[1] | 85 | // For classes that require db tables, do we check that a table exists and create if missing? |
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[32] | 86 | 'db_create_tables' => true, |
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[1] | 87 | |
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| 88 | // The level of error reporting. Don't set this to 0 to suppress messages, instead use display_errors to control display. |
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| 89 | 'error_reporting' => E_ALL, |
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| 90 | |
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| 91 | // Don't display errors by default; it is preferable to log them to a file. |
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| 92 | 'display_errors' => false, |
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[42] | 93 | |
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[1] | 94 | // Directory in which to store log files. |
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[19] | 95 | 'log_directory' => '', |
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[1] | 96 | |
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| 97 | // PHP error log. |
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| 98 | 'php_error_log' => 'php_error_log', |
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| 99 | |
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| 100 | // General application log. |
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| 101 | 'log_filename' => 'app_error_log', |
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| 102 | |
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| 103 | // Logging priority can be any of the following, or false to deactivate: |
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| 104 | // LOG_EMERG system is unusable |
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| 105 | // LOG_ALERT action must be taken immediately |
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| 106 | // LOG_CRIT critical conditions |
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| 107 | // LOG_ERR error conditions |
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| 108 | // LOG_WARNING warning conditions |
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| 109 | // LOG_NOTICE normal, but significant, condition |
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| 110 | // LOG_INFO informational message |
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| 111 | // LOG_DEBUG debug-level message |
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| 112 | 'log_file_priority' => false, |
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| 113 | 'log_email_priority' => false, |
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| 114 | 'log_sms_priority' => false, |
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| 115 | 'log_screen_priority' => false, |
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[42] | 116 | |
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[1] | 117 | // Email address to receive log event emails. |
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| 118 | 'log_to_email_address' => null, |
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[42] | 119 | |
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[19] | 120 | // SMS Email address to receive log event SMS messages. |
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[1] | 121 | 'log_to_sms_address' => null, |
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[42] | 122 | |
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[19] | 123 | // A key for calculating simple cryptographic signatures. Set using as an environment variables in the httpd.conf with 'SetEnv SIGNING_KEY <key>'. |
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[1] | 124 | 'signing_key' => 'aae6abd6209d82a691a9f96384a7634a', |
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| 125 | ); |
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[42] | 126 | |
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[1] | 127 | /** |
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| 128 | * This method enforces the singleton pattern for this class. Only one application is running at a time. |
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| 129 | * |
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| 130 | * @return object Reference to the global SessionCache object. |
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| 131 | * @access public |
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| 132 | * @static |
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| 133 | */ |
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| 134 | function &getInstance($app=null) |
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| 135 | { |
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| 136 | static $instance = null; |
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| 137 | |
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| 138 | if ($instance === null) { |
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| 139 | $instance = new App($app); |
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| 140 | } |
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| 141 | |
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| 142 | return $instance; |
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| 143 | } |
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[42] | 144 | |
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[1] | 145 | /** |
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| 146 | * Constructor. |
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| 147 | */ |
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| 148 | function App($app=null) |
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| 149 | { |
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| 150 | if (isset($app)) { |
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| 151 | $this->app .= $app; |
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| 152 | } |
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[42] | 153 | |
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[1] | 154 | // Initialize default parameters. |
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| 155 | $this->_params = array_merge($this->_params, $this->_param_defaults); |
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| 156 | } |
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| 157 | |
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| 158 | /** |
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| 159 | * Set (or overwrite existing) parameters by passing an array of new parameters. |
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| 160 | * |
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| 161 | * @access public |
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| 162 | * @param array $param Array of parameters (key => val pairs). |
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| 163 | */ |
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| 164 | function setParam($param=null) |
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| 165 | { |
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[119] | 166 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
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| 167 | $_this =& App::getInstance(); |
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[1] | 168 | } |
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| 169 | |
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| 170 | if (isset($param) && is_array($param)) { |
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| 171 | // Merge new parameters with old overriding only those passed. |
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[119] | 172 | $_this->_params = array_merge($_this->_params, $param); |
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[1] | 173 | } |
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| 174 | } |
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| 175 | |
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| 176 | /** |
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| 177 | * Return the value of a parameter. |
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| 178 | * |
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| 179 | * @access public |
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| 180 | * @param string $param The key of the parameter to return. |
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| 181 | * @return mixed Parameter value, or null if not existing. |
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| 182 | */ |
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| 183 | function &getParam($param=null) |
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| 184 | { |
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[119] | 185 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
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| 186 | $_this =& App::getInstance(); |
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[1] | 187 | } |
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[42] | 188 | |
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[1] | 189 | if ($param === null) { |
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[119] | 190 | return $_this->_params; |
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| 191 | } else if (isset($_this->_params[$param])) { |
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| 192 | return $_this->_params[$param]; |
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[1] | 193 | } else { |
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[19] | 194 | trigger_error(sprintf('Parameter is not set: %s', $param), E_USER_NOTICE); |
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[1] | 195 | return null; |
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| 196 | } |
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| 197 | } |
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[42] | 198 | |
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[1] | 199 | /** |
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| 200 | * Begin running this application. |
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| 201 | * |
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| 202 | * @access public |
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| 203 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 204 | * @since 15 Jul 2005 00:32:21 |
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| 205 | */ |
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| 206 | function start() |
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| 207 | { |
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| 208 | if ($this->running) { |
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| 209 | return false; |
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| 210 | } |
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[42] | 211 | |
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[1] | 212 | // Error reporting. |
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| 213 | ini_set('error_reporting', $this->getParam('error_reporting')); |
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| 214 | ini_set('display_errors', $this->getParam('display_errors')); |
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| 215 | ini_set('log_errors', true); |
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| 216 | if (is_dir($this->getParam('log_directory')) && is_writable($this->getParam('log_directory'))) { |
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| 217 | ini_set('error_log', $this->getParam('log_directory') . '/' . $this->getParam('php_error_log')); |
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| 218 | } |
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[42] | 219 | |
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| 220 | |
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[1] | 221 | /** |
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| 222 | * 1. Start Database. |
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| 223 | */ |
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[42] | 224 | |
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[103] | 225 | if (true === $this->getParam('enable_db')) { |
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[42] | 226 | |
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[1] | 227 | // DB connection parameters taken from environment variables in the httpd.conf file, readable only by root. |
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| 228 | if (!empty($_SERVER['DB_SERVER'])) { |
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| 229 | $this->setParam(array('db_server' => $_SERVER['DB_SERVER'])); |
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| 230 | } |
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| 231 | if (!empty($_SERVER['DB_NAME'])) { |
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| 232 | $this->setParam(array('db_name' => $_SERVER['DB_NAME'])); |
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| 233 | } |
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| 234 | if (!empty($_SERVER['DB_USER'])) { |
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| 235 | $this->setParam(array('db_user' => $_SERVER['DB_USER'])); |
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| 236 | } |
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| 237 | if (!empty($_SERVER['DB_PASS'])) { |
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| 238 | $this->setParam(array('db_pass' => $_SERVER['DB_PASS'])); |
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| 239 | } |
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[42] | 240 | |
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[1] | 241 | // The only instance of the DB object. |
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| 242 | require_once dirname(__FILE__) . '/DB.inc.php'; |
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[42] | 243 | |
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[1] | 244 | $this->db =& DB::getInstance(); |
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[42] | 245 | |
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[1] | 246 | $this->db->setParam(array( |
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| 247 | 'db_server' => $this->getParam('db_server'), |
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| 248 | 'db_name' => $this->getParam('db_name'), |
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| 249 | 'db_user' => $this->getParam('db_user'), |
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| 250 | 'db_pass' => $this->getParam('db_pass'), |
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| 251 | 'db_always_debug' => $this->getParam('db_always_debug'), |
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| 252 | 'db_debug' => $this->getParam('db_debug'), |
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| 253 | 'db_die_on_failure' => $this->getParam('db_die_on_failure'), |
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| 254 | )); |
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| 255 | |
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| 256 | // Connect to database. |
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| 257 | $this->db->connect(); |
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| 258 | } |
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[42] | 259 | |
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| 260 | |
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[1] | 261 | /** |
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| 262 | * 2. Start PHP session. |
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| 263 | */ |
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[42] | 264 | |
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[1] | 265 | // Skip session for some user agents. |
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| 266 | if (preg_match('/Atomz|ApacheBench|Wget/i', getenv('HTTP_USER_AGENT'))) { |
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| 267 | $this->setParam(array('enable_session' => false)); |
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| 268 | } |
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[42] | 269 | |
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[1] | 270 | if (true === $this->getParam('enable_session')) { |
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[42] | 271 | |
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[1] | 272 | // Set the session ID to one provided in GET/POST. This is necessary for linking |
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| 273 | // between domains and keeping the same session. |
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| 274 | if ($ses = getFormData($this->getParam('session_name'), false)) { |
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| 275 | session_id($ses); |
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| 276 | } |
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[42] | 277 | |
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[1] | 278 | if (true === $this->getParam('enable_db_session_handler') && true === $this->getParam('enable_db')) { |
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| 279 | // Database session handling. |
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| 280 | require_once dirname(__FILE__) . '/DBSessionHandler.inc.php'; |
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| 281 | $db_save_handler = new DBSessionHandler($this->db, array( |
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| 282 | 'db_table' => 'session_tbl', |
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| 283 | 'create_table' => $this->getParam('db_create_tables'), |
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| 284 | )); |
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| 285 | } |
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[42] | 286 | |
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[1] | 287 | // Session parameters. |
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| 288 | ini_set('session.use_cookies', $this->getParam('session_use_cookies')); |
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| 289 | ini_set('session.use_trans_sid', false); |
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| 290 | ini_set('session.entropy_file', '/dev/urandom'); |
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| 291 | ini_set('session.entropy_length', '512'); |
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| 292 | session_name($this->getParam('session_name')); |
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[42] | 293 | |
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[22] | 294 | // Start the session. |
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[1] | 295 | session_start(); |
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[42] | 296 | |
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[22] | 297 | if (!isset($_SESSION[$this->app])) { |
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| 298 | // Access session data using: $_SESSION['...']. |
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| 299 | // Initialize here _after_ session has started. |
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| 300 | $_SESSION[$this->app] = array( |
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| 301 | 'messages' => array(), |
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| 302 | 'boomerang' => array('url'), |
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| 303 | ); |
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| 304 | } |
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[1] | 305 | } |
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[42] | 306 | |
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| 307 | |
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[1] | 308 | /** |
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| 309 | * 3. Misc setup. |
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| 310 | */ |
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| 311 | |
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| 312 | // Script URI will be something like http://host.name.tld (no ending slash) |
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| 313 | // and is used whenever a URL need be used to the current site. |
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| 314 | // Not available on cli scripts obviously. |
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[41] | 315 | if (isset($_SERVER['HTTP_HOST']) && '' != $_SERVER['HTTP_HOST'] && '' == $this->getParam('site_url')) { |
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[14] | 316 | $this->setParam(array('site_url' => sprintf('%s://%s', ('on' == getenv('HTTPS') ? 'https' : 'http'), getenv('HTTP_HOST')))); |
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[1] | 317 | } |
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| 318 | |
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| 319 | // A key for calculating simple cryptographic signatures. |
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| 320 | if (isset($_SERVER['SIGNING_KEY'])) { |
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| 321 | $this->setParam(array('signing_key' => $_SERVER['SIGNING_KEY'])); |
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| 322 | } |
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[42] | 323 | |
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[1] | 324 | // Character set. This should also be printed in the html header template. |
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| 325 | header('Content-type: text/html; charset=' . $this->getParam('character_set')); |
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[42] | 326 | |
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[1] | 327 | $this->running = true; |
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| 328 | } |
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[42] | 329 | |
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[1] | 330 | /** |
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| 331 | * Stop running this application. |
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| 332 | * |
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| 333 | * @access public |
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| 334 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 335 | * @since 17 Jul 2005 17:20:18 |
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| 336 | */ |
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| 337 | function stop() |
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| 338 | { |
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| 339 | session_write_close(); |
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| 340 | restore_include_path(); |
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| 341 | $this->running = false; |
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[103] | 342 | if (true === $this->getParam('enable_db')) { |
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| 343 | $this->db->close(); |
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| 344 | } |
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[1] | 345 | } |
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[42] | 346 | |
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| 347 | |
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[1] | 348 | /** |
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[84] | 349 | * Add a message to the session, which is printed in the header. |
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[1] | 350 | * Just a simple way to print messages to the user. |
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| 351 | * |
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| 352 | * @access public |
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| 353 | * |
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| 354 | * @param string $message The text description of the message. |
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| 355 | * @param int $type The type of message: MSG_NOTICE, |
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| 356 | * MSG_SUCCESS, MSG_WARNING, or MSG_ERR. |
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| 357 | * @param string $file __FILE__. |
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| 358 | * @param string $line __LINE__. |
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| 359 | */ |
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| 360 | function raiseMsg($message, $type=MSG_NOTICE, $file=null, $line=null) |
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| 361 | { |
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[119] | 362 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
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| 363 | $_this =& App::getInstance(); |
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[1] | 364 | } |
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[42] | 365 | |
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[32] | 366 | $message = trim($message); |
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[1] | 367 | |
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[119] | 368 | if (!$_this->running || '' == $message) { |
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| 369 | $_this->logMsg(sprintf('Canceled method call %s, application not running or message is an empty string.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
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[1] | 370 | return false; |
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| 371 | } |
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[42] | 372 | |
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[37] | 373 | // Save message in session under unique key to avoid duplicate messages. |
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[44] | 374 | $msg_id = md5($type . $message . $file . $line); |
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[119] | 375 | $_SESSION[$_this->app]['messages'][$msg_id] = array( |
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[42] | 376 | 'type' => $type, |
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[1] | 377 | 'message' => $message, |
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| 378 | 'file' => $file, |
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[44] | 379 | 'line' => $line, |
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[119] | 380 | 'count' => (isset($_SESSION[$_this->app]['messages'][$msg_id]['count']) ? (1 + $_SESSION[$_this->app]['messages'][$msg_id]['count']) : 1) |
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[1] | 381 | ); |
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[42] | 382 | |
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[1] | 383 | if (!in_array($type, array(MSG_NOTICE, MSG_SUCCESS, MSG_WARNING, MSG_ERR))) { |
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[119] | 384 | $_this->logMsg(sprintf('Invalid MSG_* type: %s', $type), LOG_DEBUG, __FILE__, __LINE__); |
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[1] | 385 | } |
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| 386 | } |
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[46] | 387 | |
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| 388 | /** |
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| 389 | * Returns an array of the raised messages. |
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| 390 | * |
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| 391 | * @access public |
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| 392 | * @return array List of messags in FIFO order. |
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| 393 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 394 | * @since 21 Dec 2005 13:09:20 |
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| 395 | */ |
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| 396 | function getRaisedMessages() |
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| 397 | { |
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[119] | 398 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
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| 399 | $_this =& App::getInstance(); |
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[46] | 400 | } |
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[42] | 401 | |
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[119] | 402 | if (!$_this->running) { |
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| 403 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
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[46] | 404 | return false; |
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| 405 | } |
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| 406 | |
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| 407 | $output = array(); |
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[119] | 408 | while (isset($_SESSION[$_this->app]['messages']) && $message = array_shift($_SESSION[$_this->app]['messages'])) { |
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[46] | 409 | $output[] = $message; |
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| 410 | } |
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| 411 | return $output; |
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| 412 | } |
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| 413 | |
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[1] | 414 | /** |
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[46] | 415 | * Resets the message list. |
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| 416 | * |
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| 417 | * @access public |
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| 418 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 419 | * @since 21 Dec 2005 13:21:54 |
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| 420 | */ |
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| 421 | function clearRaisedMessages() |
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| 422 | { |
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[119] | 423 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
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| 424 | $_this =& App::getInstance(); |
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[46] | 425 | } |
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| 426 | |
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[119] | 427 | if (!$_this->running) { |
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| 428 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
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[46] | 429 | return false; |
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| 430 | } |
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| 431 | |
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[119] | 432 | $_SESSION[$_this->app]['messages'] = array(); |
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[46] | 433 | } |
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| 434 | |
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| 435 | /** |
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[1] | 436 | * Prints the HTML for displaying raised messages. |
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| 437 | * |
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| 438 | * @access public |
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| 439 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 440 | * @since 15 Jul 2005 01:39:14 |
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| 441 | */ |
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| 442 | function printRaisedMessages() |
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| 443 | { |
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[119] | 444 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
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| 445 | $_this =& App::getInstance(); |
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[1] | 446 | } |
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| 447 | |
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[119] | 448 | if (!$_this->running) { |
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| 449 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
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[1] | 450 | return false; |
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| 451 | } |
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| 452 | |
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[119] | 453 | while (isset($_SESSION[$_this->app]['messages']) && $message = array_shift($_SESSION[$_this->app]['messages'])) { |
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[106] | 454 | ?><div class="sc-msg"><?php |
---|
[119] | 455 | if (error_reporting() > 0 && $_this->getParam('display_errors')) { |
---|
[1] | 456 | echo "\n<!-- [" . $message['file'] . ' : ' . $message['line'] . '] -->'; |
---|
| 457 | } |
---|
| 458 | switch ($message['type']) { |
---|
| 459 | case MSG_ERR: |
---|
[106] | 460 | echo '<div class="sc-msg-error">' . $message['message'] . '</div>'; |
---|
[1] | 461 | break; |
---|
[42] | 462 | |
---|
[1] | 463 | case MSG_WARNING: |
---|
[106] | 464 | echo '<div class="sc-msg-warning">' . $message['message'] . '</div>'; |
---|
[1] | 465 | break; |
---|
[42] | 466 | |
---|
[1] | 467 | case MSG_SUCCESS: |
---|
[106] | 468 | echo '<div class="sc-msg-success">' . $message['message'] . '</div>'; |
---|
[1] | 469 | break; |
---|
[42] | 470 | |
---|
[1] | 471 | case MSG_NOTICE: |
---|
| 472 | default: |
---|
[106] | 473 | echo '<div class="sc-msg-notice">' . $message['message'] . '</div>'; |
---|
[1] | 474 | break; |
---|
[42] | 475 | |
---|
[1] | 476 | } |
---|
| 477 | ?></div><?php |
---|
| 478 | } |
---|
| 479 | } |
---|
[42] | 480 | |
---|
[1] | 481 | /** |
---|
[44] | 482 | * Logs messages to defined channels: file, email, sms, and screen. Repeated messages are |
---|
| 483 | * not repeated but printed once with count. |
---|
[1] | 484 | * |
---|
| 485 | * @access public |
---|
| 486 | * @param string $message The text description of the message. |
---|
| 487 | * @param int $priority The type of message priority (in descending order): |
---|
| 488 | * LOG_EMERG system is unusable |
---|
| 489 | * LOG_ALERT action must be taken immediately |
---|
| 490 | * LOG_CRIT critical conditions |
---|
| 491 | * LOG_ERR error conditions |
---|
| 492 | * LOG_WARNING warning conditions |
---|
| 493 | * LOG_NOTICE normal, but significant, condition |
---|
| 494 | * LOG_INFO informational message |
---|
| 495 | * LOG_DEBUG debug-level message |
---|
| 496 | * @param string $file The file where the log event occurs. |
---|
| 497 | * @param string $line The line of the file where the log event occurs. |
---|
| 498 | */ |
---|
| 499 | function logMsg($message, $priority=LOG_INFO, $file=null, $line=null) |
---|
| 500 | { |
---|
[44] | 501 | static $previous_events = array(); |
---|
| 502 | |
---|
[119] | 503 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 504 | $_this =& App::getInstance(); |
---|
[1] | 505 | } |
---|
[42] | 506 | |
---|
[1] | 507 | // If priority is not specified, assume the worst. |
---|
[119] | 508 | if (!$_this->logPriorityToString($priority)) { |
---|
| 509 | $_this->logMsg(sprintf('Log priority %s not defined. (Message: %s)', $priority, $message), LOG_EMERG, $file, $line); |
---|
[1] | 510 | $priority = LOG_EMERG; |
---|
| 511 | } |
---|
[42] | 512 | |
---|
[15] | 513 | // If log file is not specified, don't log to a file. |
---|
[119] | 514 | if (!$_this->getParam('log_directory') || !$_this->getParam('log_filename') || !is_dir($_this->getParam('log_directory')) || !is_writable($_this->getParam('log_directory'))) { |
---|
| 515 | $_this->setParam(array('log_file_priority' => false)); |
---|
[127] | 516 | // We must use trigger_error to report this problem rather than calling $app->logMsg, which might lead to an infinite loop. |
---|
[119] | 517 | trigger_error(sprintf('Codebase error: log directory (%s) not found or writable.', $_this->getParam('log_directory')), E_USER_NOTICE); |
---|
[1] | 518 | } |
---|
[42] | 519 | |
---|
[1] | 520 | // Make sure to log in the system's locale. |
---|
| 521 | $locale = setlocale(LC_TIME, 0); |
---|
| 522 | setlocale(LC_TIME, 'C'); |
---|
[42] | 523 | |
---|
[44] | 524 | // Strip HTML tags except any with more than 7 characters because that's probably not a HTML tag, e.g. <email@address.com>. |
---|
| 525 | preg_match_all('/(<[^>\s]{7,})[^>]*>/', $message, $strip_tags_allow); |
---|
| 526 | $message = strip_tags(preg_replace('/\s+/', ' ', $message), (!empty($strip_tags_allow[1]) ? join('> ', $strip_tags_allow[1]) . '>' : null)); |
---|
| 527 | |
---|
| 528 | // Store this event under a unique key, counting each time it occurs so that it only gets reported a limited number of times. |
---|
| 529 | $msg_id = md5($message . $priority . $file . $line); |
---|
| 530 | if (isset($previous_events[$msg_id])) { |
---|
| 531 | $previous_events[$msg_id]++; |
---|
| 532 | if ($previous_events[$msg_id] == 2) { |
---|
[119] | 533 | $_this->logMsg(sprintf('%s (Event repeated %s or more times)', $message, $previous_events[$msg_id]), $priority, $file, $line); |
---|
[44] | 534 | } |
---|
| 535 | return false; |
---|
| 536 | } else { |
---|
| 537 | $previous_events[$msg_id] = 1; |
---|
| 538 | } |
---|
| 539 | |
---|
[1] | 540 | // Data to be stored for a log event. |
---|
[44] | 541 | $event = array( |
---|
| 542 | 'date' => date('Y-m-d H:i:s'), |
---|
| 543 | 'remote ip' => getRemoteAddr(), |
---|
| 544 | 'pid' => (substr(PHP_OS, 0, 3) != 'WIN' ? posix_getpid() : ''), |
---|
[119] | 545 | 'type' => $_this->logPriorityToString($priority), |
---|
[44] | 546 | 'file:line' => "$file : $line", |
---|
[55] | 547 | 'url' => (isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : ''), |
---|
[44] | 548 | 'message' => $message |
---|
| 549 | ); |
---|
[42] | 550 | |
---|
[1] | 551 | // FILE ACTION |
---|
[119] | 552 | if ($_this->getParam('log_file_priority') && $priority <= $_this->getParam('log_file_priority')) { |
---|
[44] | 553 | $event_str = '[' . join('] [', $event) . ']'; |
---|
[119] | 554 | error_log($event_str . "\n", 3, $_this->getParam('log_directory') . '/' . $_this->getParam('log_filename')); |
---|
[1] | 555 | } |
---|
[42] | 556 | |
---|
[1] | 557 | // EMAIL ACTION |
---|
[119] | 558 | if ($_this->getParam('log_email_priority') && $priority <= $_this->getParam('log_email_priority')) { |
---|
[1] | 559 | $subject = sprintf('[%s %s] %s', getenv('HTTP_HOST'), $event['type'], $message); |
---|
| 560 | $email_msg = sprintf("A %s log event occured on %s\n\n", $event['type'], getenv('HTTP_HOST')); |
---|
[41] | 561 | $headers = "From: codebase@strangecode.com"; |
---|
[1] | 562 | foreach ($event as $k=>$v) { |
---|
| 563 | $email_msg .= sprintf("%-11s%s\n", $k, $v); |
---|
| 564 | } |
---|
[119] | 565 | mail($_this->getParam('log_to_email_address'), $subject, $email_msg, $headers, '-f codebase@strangecode.com'); |
---|
[1] | 566 | } |
---|
[42] | 567 | |
---|
[1] | 568 | // SMS ACTION |
---|
[119] | 569 | if ($_this->getParam('log_sms_priority') && $priority <= $_this->getParam('log_sms_priority')) { |
---|
[1] | 570 | $subject = sprintf('[%s %s]', getenv('HTTP_HOST'), $priority); |
---|
[41] | 571 | $sms_msg = sprintf('%s [%s:%s]', $event['message'], basename($file), $line); |
---|
| 572 | $headers = "From: codebase@strangecode.com"; |
---|
[119] | 573 | mail($_this->getParam('log_to_sms_address'), $subject, $sms_msg, $headers, '-f codebase@strangecode.com'); |
---|
[1] | 574 | } |
---|
[42] | 575 | |
---|
[1] | 576 | // SCREEN ACTION |
---|
[119] | 577 | if ($_this->getParam('log_screen_priority') && $priority <= $_this->getParam('log_screen_priority')) { |
---|
[1] | 578 | echo "[{$event['date']}] [{$event['type']}] [{$event['file:line']}] [{$event['message']}]\n"; |
---|
| 579 | } |
---|
[42] | 580 | |
---|
[1] | 581 | // Restore original locale. |
---|
| 582 | setlocale(LC_TIME, $locale); |
---|
| 583 | } |
---|
[42] | 584 | |
---|
[1] | 585 | /** |
---|
| 586 | * Returns the string representation of a LOG_* integer constant. |
---|
| 587 | * |
---|
| 588 | * @param int $priority The LOG_* integer constant. |
---|
| 589 | * |
---|
| 590 | * @return The string representation of $priority. |
---|
| 591 | */ |
---|
| 592 | function logPriorityToString ($priority) { |
---|
| 593 | $priorities = array( |
---|
| 594 | LOG_EMERG => 'emergency', |
---|
| 595 | LOG_ALERT => 'alert', |
---|
| 596 | LOG_CRIT => 'critical', |
---|
| 597 | LOG_ERR => 'error', |
---|
| 598 | LOG_WARNING => 'warning', |
---|
| 599 | LOG_NOTICE => 'notice', |
---|
| 600 | LOG_INFO => 'info', |
---|
| 601 | LOG_DEBUG => 'debug' |
---|
| 602 | ); |
---|
| 603 | if (isset($priorities[$priority])) { |
---|
| 604 | return $priorities[$priority]; |
---|
| 605 | } else { |
---|
| 606 | return false; |
---|
| 607 | } |
---|
| 608 | } |
---|
[42] | 609 | |
---|
[1] | 610 | /** |
---|
[20] | 611 | * Sets which query arguments will be carried persistently between requests. |
---|
[127] | 612 | * Values in the _carry_queries array will be copied to URLs (via $app->url()) and |
---|
[20] | 613 | * to hidden input values (via printHiddenSession()). |
---|
| 614 | * |
---|
| 615 | * @access public |
---|
[42] | 616 | * @param string $query_key The key of the query argument to save. |
---|
[20] | 617 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
| 618 | * @since 14 Nov 2005 19:24:52 |
---|
| 619 | */ |
---|
| 620 | function carryQuery($query_key) |
---|
| 621 | { |
---|
[119] | 622 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 623 | $_this =& App::getInstance(); |
---|
[20] | 624 | } |
---|
[42] | 625 | |
---|
[20] | 626 | // If not already set, and there is a non-empty value provided in the request... |
---|
[119] | 627 | if (!isset($_this->_carry_queries[$query_key]) && getFormData($query_key, false)) { |
---|
[20] | 628 | // Copy the value of the specified query argument into the _carry_queries array. |
---|
[119] | 629 | $_this->_carry_queries[$query_key] = getFormData($query_key); |
---|
[20] | 630 | } |
---|
| 631 | } |
---|
[42] | 632 | |
---|
[20] | 633 | /** |
---|
[1] | 634 | * Outputs a fully qualified URL with a query of all the used (ie: not empty) |
---|
[42] | 635 | * keys and values, including optional queries. This allows mindless retention |
---|
[32] | 636 | * of query arguments across page requests. If cookies are not |
---|
[1] | 637 | * used, the session id will be propogated in the URL. |
---|
| 638 | * |
---|
[32] | 639 | * @param string $url The initial url |
---|
| 640 | * @param mixed $carry_args Additional url arguments to carry in the query, |
---|
| 641 | * or FALSE to prevent carrying queries. Can be any of the following formats: |
---|
| 642 | * array('key1', key2', key3') <-- to save these keys if in the form data. |
---|
| 643 | * array('key1'=>'value', key2'='value') <-- to set keys to default values if not present in form data. |
---|
| 644 | * false <-- To not carry any queries. If URL already has queries those will be retained. |
---|
[1] | 645 | * |
---|
| 646 | * @param mixed $always_include_sid Always add the session id, even if using_trans_sid = true. This is required when |
---|
| 647 | * URL starts with http, since PHP using_trans_sid doesn't do those and also for |
---|
| 648 | * header('Location...') redirections. |
---|
| 649 | * |
---|
| 650 | * @return string url with attached queries and, if not using cookies, the session id |
---|
| 651 | */ |
---|
[32] | 652 | function url($url, $carry_args=null, $always_include_sid=false) |
---|
[1] | 653 | { |
---|
[119] | 654 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 655 | $_this =& App::getInstance(); |
---|
[1] | 656 | } |
---|
| 657 | |
---|
[119] | 658 | if (!$_this->running) { |
---|
| 659 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 660 | return false; |
---|
| 661 | } |
---|
[42] | 662 | |
---|
[20] | 663 | // Get any provided query arguments to include in the final URL. |
---|
| 664 | // If FALSE is a provided here, DO NOT carry the queries. |
---|
[1] | 665 | $do_carry_queries = true; |
---|
| 666 | $one_time_carry_queries = array(); |
---|
| 667 | if (!is_null($carry_args)) { |
---|
| 668 | if (is_array($carry_args) && !empty($carry_args)) { |
---|
| 669 | foreach ($carry_args as $key=>$arg) { |
---|
| 670 | // Get query from appropriate source. |
---|
| 671 | if (false === $arg) { |
---|
| 672 | $do_carry_queries = false; |
---|
| 673 | } else if (false !== getFormData($arg, false)) { |
---|
| 674 | $one_time_carry_queries[$arg] = getFormData($arg); // Set arg to form data if available. |
---|
| 675 | } else if (!is_numeric($key) && '' != $arg) { |
---|
| 676 | $one_time_carry_queries[$key] = getFormData($key, $arg); // Set to arg to default if specified (overwritten by form data). |
---|
| 677 | } |
---|
| 678 | } |
---|
| 679 | } else if (false !== getFormData($carry_args, false)) { |
---|
| 680 | $one_time_carry_queries[$carry_args] = getFormData($carry_args); |
---|
| 681 | } else if (false === $carry_args) { |
---|
| 682 | $do_carry_queries = false; |
---|
| 683 | } |
---|
| 684 | } |
---|
[42] | 685 | |
---|
[1] | 686 | // Get the first delimiter that is needed in the url. |
---|
[32] | 687 | $delim = strpos($url, '?') !== false ? ini_get('arg_separator.output') : '?'; |
---|
| 688 | |
---|
[42] | 689 | |
---|
[1] | 690 | $q = ''; |
---|
| 691 | if ($do_carry_queries) { |
---|
[20] | 692 | // Join the global _carry_queries and local one_time_carry_queries. |
---|
[119] | 693 | $query_args = urlEncodeArray(array_merge($_this->_carry_queries, $one_time_carry_queries)); |
---|
[1] | 694 | foreach ($query_args as $key=>$val) { |
---|
| 695 | // Check value is set and value does not already exist in the url. |
---|
| 696 | if (!preg_match('/[?&]' . preg_quote($key) . '=/', $url)) { |
---|
| 697 | $q .= $delim . $key . '=' . $val; |
---|
| 698 | $delim = ini_get('arg_separator.output'); |
---|
| 699 | } |
---|
| 700 | } |
---|
| 701 | } |
---|
[42] | 702 | |
---|
[1] | 703 | // Include the necessary SID if the following is true: |
---|
| 704 | // - no cookie in http request OR cookies disabled in App |
---|
| 705 | // - sessions are enabled |
---|
| 706 | // - the link stays on our site |
---|
| 707 | // - transparent SID propogation with session.use_trans_sid is not being used OR url begins with protocol (using_trans_sid has no effect here) |
---|
[42] | 708 | // OR |
---|
[1] | 709 | // - we must include the SID because we say so (it's used in a context where cookies will not be effective, ie. moving from http to https) |
---|
| 710 | // AND |
---|
| 711 | // - the SID is not already in the query. |
---|
| 712 | if ( |
---|
| 713 | ( |
---|
| 714 | ( |
---|
| 715 | ( |
---|
[42] | 716 | !isset($_COOKIE[session_name()]) |
---|
[119] | 717 | || !$_this->getParam('session_use_cookies') |
---|
[42] | 718 | ) |
---|
[119] | 719 | && $_this->getParam('enable_session') |
---|
[42] | 720 | && isMyDomain($url) |
---|
| 721 | && |
---|
[1] | 722 | ( |
---|
[20] | 723 | !ini_get('session.use_trans_sid') |
---|
[1] | 724 | || preg_match('!^(http|https)://!i', $url) |
---|
| 725 | ) |
---|
[42] | 726 | ) |
---|
[1] | 727 | || $always_include_sid |
---|
| 728 | ) |
---|
| 729 | && !preg_match('/[?&]' . preg_quote(session_name()) . '=/', $url) |
---|
| 730 | ) { |
---|
| 731 | $url .= $q . $delim . session_name() . '=' . session_id(); |
---|
| 732 | return $url; |
---|
| 733 | } else { |
---|
| 734 | $url .= $q; |
---|
| 735 | return $url; |
---|
| 736 | } |
---|
| 737 | } |
---|
[32] | 738 | |
---|
| 739 | /** |
---|
[127] | 740 | * Returns a HTML-friendly URL processed with $app->url and & replaced with & |
---|
[32] | 741 | * |
---|
| 742 | * @access public |
---|
| 743 | * @param string $url Input URL to parse. |
---|
[127] | 744 | * @return string URL with $app->url() and htmlentities() applied. |
---|
[32] | 745 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
| 746 | * @since 09 Dec 2005 17:58:45 |
---|
| 747 | */ |
---|
| 748 | function oHREF($url, $carry_args=null, $always_include_sid=false) |
---|
| 749 | { |
---|
[119] | 750 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 751 | $_this =& App::getInstance(); |
---|
[32] | 752 | } |
---|
[42] | 753 | |
---|
[119] | 754 | $url = $_this->url($url, $carry_args, $always_include_sid); |
---|
[42] | 755 | |
---|
[32] | 756 | // Replace any & not followed by an html or unicode entity with it's & equivalent. |
---|
| 757 | $url = preg_replace('/&(?![\w\d#]{1,10};)/', '&', $url); |
---|
[42] | 758 | |
---|
[32] | 759 | return $url; |
---|
| 760 | } |
---|
[42] | 761 | |
---|
[1] | 762 | /** |
---|
| 763 | * Prints a hidden form element with the PHPSESSID when cookies are not used, as well |
---|
[42] | 764 | * as hidden form elements for GET_VARS that might be in use. |
---|
[1] | 765 | * |
---|
| 766 | * @param mixed $carry_args Additional url arguments to carry in the query, |
---|
| 767 | * or FALSE to prevent carrying queries. Can be any of the following formats: |
---|
[32] | 768 | * array('key1', key2', key3') <-- to save these keys if in the form data. |
---|
| 769 | * array('key1'=>'value', key2'='value') <-- to set keys to default values if not present in form data. |
---|
| 770 | * false <-- To not carry any queries. If URL already has queries those will be retained. |
---|
[1] | 771 | */ |
---|
| 772 | function printHiddenSession($carry_args=null) |
---|
[32] | 773 | { |
---|
[119] | 774 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 775 | $_this =& App::getInstance(); |
---|
[1] | 776 | } |
---|
| 777 | |
---|
[119] | 778 | if (!$_this->running) { |
---|
| 779 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 780 | return false; |
---|
| 781 | } |
---|
[42] | 782 | |
---|
[20] | 783 | // Get any provided query arguments to include in the final hidden form data. |
---|
| 784 | // If FALSE is a provided here, DO NOT carry the queries. |
---|
[1] | 785 | $do_carry_queries = true; |
---|
| 786 | $one_time_carry_queries = array(); |
---|
| 787 | if (!is_null($carry_args)) { |
---|
| 788 | if (is_array($carry_args) && !empty($carry_args)) { |
---|
| 789 | foreach ($carry_args as $key=>$arg) { |
---|
| 790 | // Get query from appropriate source. |
---|
| 791 | if (false === $arg) { |
---|
| 792 | $do_carry_queries = false; |
---|
| 793 | } else if (false !== getFormData($arg, false)) { |
---|
| 794 | $one_time_carry_queries[$arg] = getFormData($arg); // Set arg to form data if available. |
---|
| 795 | } else if (!is_numeric($key) && '' != $arg) { |
---|
| 796 | $one_time_carry_queries[$key] = getFormData($key, $arg); // Set to arg to default if specified (overwritten by form data). |
---|
| 797 | } |
---|
| 798 | } |
---|
| 799 | } else if (false !== getFormData($carry_args, false)) { |
---|
| 800 | $one_time_carry_queries[$carry_args] = getFormData($carry_args); |
---|
| 801 | } else if (false === $carry_args) { |
---|
| 802 | $do_carry_queries = false; |
---|
| 803 | } |
---|
| 804 | } |
---|
[42] | 805 | |
---|
[1] | 806 | // For each existing POST value, we create a hidden input to carry it through a form. |
---|
| 807 | if ($do_carry_queries) { |
---|
[20] | 808 | // Join the global _carry_queries and local one_time_carry_queries. |
---|
| 809 | // urlencode is not used here, not for form data! |
---|
[119] | 810 | $query_args = array_merge($_this->_carry_queries, $one_time_carry_queries); |
---|
[1] | 811 | foreach ($query_args as $key=>$val) { |
---|
| 812 | echo '<input type="hidden" name="' . $key . '" value="' . $val . '" />'; |
---|
| 813 | } |
---|
| 814 | } |
---|
[42] | 815 | |
---|
[1] | 816 | // Include the SID if cookies are disabled. |
---|
[20] | 817 | if (!isset($_COOKIE[session_name()]) && !ini_get('session.use_trans_sid')) { |
---|
[1] | 818 | echo '<input type="hidden" name="' . session_name() . '" value="' . session_id() . '" />'; |
---|
| 819 | } |
---|
| 820 | } |
---|
[42] | 821 | |
---|
[1] | 822 | /** |
---|
| 823 | * Uses an http header to redirect the client to the given $url. If sessions are not used |
---|
| 824 | * and the session is not already defined in the given $url, the SID is appended as a URI query. |
---|
| 825 | * As with all header generating functions, make sure this is called before any other output. |
---|
| 826 | * |
---|
| 827 | * @param string $url The URL the client will be redirected to. |
---|
| 828 | * @param mixed $carry_args Additional url arguments to carry in the query, |
---|
| 829 | * or FALSE to prevent carrying queries. Can be any of the following formats: |
---|
| 830 | * -array('key1', key2', key3') <-- to save these keys if in the form data. |
---|
| 831 | * -array('key1'=>'value', key2'='value') <-- to set keys to default values if not present in form data. |
---|
| 832 | * -false <-- To not carry any queries. If URL already has queries those will be retained. |
---|
| 833 | * @param bool $always_include_sid Force session id to be added to Location header. |
---|
| 834 | */ |
---|
| 835 | function dieURL($url, $carry_args=null, $always_include_sid=false) |
---|
| 836 | { |
---|
[119] | 837 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 838 | $_this =& App::getInstance(); |
---|
[1] | 839 | } |
---|
| 840 | |
---|
[119] | 841 | if (!$_this->running) { |
---|
| 842 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 843 | return false; |
---|
| 844 | } |
---|
[42] | 845 | |
---|
[1] | 846 | if ('' == $url) { |
---|
| 847 | // If URL is not specified, use the redirect_home_url. |
---|
[119] | 848 | $url = $_this->getParam('redirect_home_url'); |
---|
[1] | 849 | } |
---|
[42] | 850 | |
---|
[1] | 851 | if (preg_match('!^/!', $url)) { |
---|
| 852 | // If relative URL is given, prepend correct local hostname. |
---|
[22] | 853 | $scheme = 'on' == getenv('HTTPS') ? 'https' : 'http'; |
---|
| 854 | $host = getenv('HTTP_HOST'); |
---|
| 855 | $url = sprintf('%s://%s%s', $scheme, $host, $url); |
---|
[1] | 856 | } |
---|
[22] | 857 | |
---|
[119] | 858 | $url = $_this->url($url, $carry_args, $always_include_sid); |
---|
[42] | 859 | |
---|
[1] | 860 | header(sprintf('Location: %s', $url)); |
---|
[119] | 861 | $_this->logMsg(sprintf('dieURL: %s', $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[42] | 862 | |
---|
[1] | 863 | // End this application. |
---|
| 864 | // Recommended, although I'm not sure it's necessary: http://cn2.php.net/session_write_close |
---|
[119] | 865 | $_this->stop(); |
---|
[1] | 866 | die; |
---|
| 867 | } |
---|
[42] | 868 | |
---|
[84] | 869 | /* |
---|
[127] | 870 | * Redirects a user by calling $app->dieURL(). It will use: |
---|
[84] | 871 | * 1. the stored boomerang URL, it it exists |
---|
| 872 | * 2. a specified $default_url, it it exists |
---|
| 873 | * 3. the referring URL, it it exists. |
---|
| 874 | * 4. redirect_home_url configuration variable. |
---|
| 875 | * |
---|
| 876 | * @access public |
---|
| 877 | * @param string $id Identifier for this script. |
---|
[127] | 878 | * @param mixed $carry_args Additional arguments to carry in the URL automatically (see $app->oHREF()). |
---|
[84] | 879 | * @param string $default_url A default URL if there is not a valid specified boomerang URL. |
---|
| 880 | * @return bool False if the session is not running. No return otherwise. |
---|
| 881 | * @author Quinn Comendant <quinn@strangecode.com> |
---|
| 882 | * @since 31 Mar 2006 19:17:00 |
---|
| 883 | */ |
---|
| 884 | function dieBoomerangURL($id=null, $carry_args=null, $default_url=null) |
---|
[1] | 885 | { |
---|
[119] | 886 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 887 | $_this =& App::getInstance(); |
---|
[1] | 888 | } |
---|
| 889 | |
---|
[119] | 890 | if (!$_this->running) { |
---|
| 891 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 892 | return false; |
---|
| 893 | } |
---|
[42] | 894 | |
---|
[1] | 895 | // Get URL from stored boomerang. Allow non specific URL if ID not valid. |
---|
[119] | 896 | if ($_this->validBoomerangURL($id, true)) { |
---|
| 897 | if (isset($id) && isset($_SESSION[$_this->app]['boomerang']['url'][$id])) { |
---|
| 898 | $url = $_SESSION[$_this->app]['boomerang']['url'][$id]; |
---|
| 899 | $_this->logMsg(sprintf('dieBoomerangURL(%s) found: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 900 | } else { |
---|
[119] | 901 | $url = end($_SESSION[$_this->app]['boomerang']['url']); |
---|
| 902 | $_this->logMsg(sprintf('dieBoomerangURL(%s) using: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 903 | } |
---|
[22] | 904 | // Delete stored boomerang. |
---|
[119] | 905 | $_this->deleteBoomerangURL($id); |
---|
[84] | 906 | } else if (isset($default_url)) { |
---|
| 907 | $url = $default_url; |
---|
[22] | 908 | } else if (!refererIsMe()) { |
---|
[1] | 909 | // Ensure that the redirecting page is not also the referrer. |
---|
| 910 | $url = getenv('HTTP_REFERER'); |
---|
[119] | 911 | $_this->logMsg(sprintf('dieBoomerangURL(%s) using referrer: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 912 | } else { |
---|
[22] | 913 | // If URL is not specified, use the redirect_home_url. |
---|
[119] | 914 | $url = $_this->getParam('redirect_home_url'); |
---|
| 915 | $_this->logMsg(sprintf('dieBoomerangURL(%s) not found, using redirect_home_url: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 916 | } |
---|
[42] | 917 | |
---|
[84] | 918 | // A redirection will never happen immediately twice. |
---|
[1] | 919 | // Set the time so ensure this doesn't happen. |
---|
[119] | 920 | $_SESSION[$_this->app]['boomerang']['time'] = time(); |
---|
| 921 | $_this->dieURL($url, $carry_args); |
---|
[1] | 922 | } |
---|
[42] | 923 | |
---|
[1] | 924 | /** |
---|
[127] | 925 | * Set the URL to return to when $app->dieBoomerangURL() is called. |
---|
[1] | 926 | * |
---|
| 927 | * @param string $url A fully validated URL. |
---|
| 928 | * @param bool $id An identification tag for this url. |
---|
| 929 | * FIXME: url garbage collection? |
---|
| 930 | */ |
---|
| 931 | function setBoomerangURL($url=null, $id=null) |
---|
| 932 | { |
---|
[119] | 933 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 934 | $_this =& App::getInstance(); |
---|
[1] | 935 | } |
---|
| 936 | |
---|
[119] | 937 | if (!$_this->running) { |
---|
| 938 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 939 | return false; |
---|
| 940 | } |
---|
[84] | 941 | // A redirection will never happen immediately after setting the boomerangURL. |
---|
[127] | 942 | // Set the time so ensure this doesn't happen. See $app->validBoomerangURL for more. |
---|
[42] | 943 | |
---|
[22] | 944 | if ('' != $url && is_string($url)) { |
---|
[1] | 945 | // Delete any boomerang request keys in the query string. |
---|
| 946 | $url = preg_replace('/boomerang=[\w]+/', '', $url); |
---|
[42] | 947 | |
---|
[119] | 948 | if (isset($_SESSION[$_this->app]['boomerang']['url']) && is_array($_SESSION[$_this->app]['boomerang']['url']) && !empty($_SESSION[$_this->app]['boomerang']['url'])) { |
---|
[1] | 949 | // If the URL currently exists in the boomerang array, delete. |
---|
[119] | 950 | while ($existing_key = array_search($url, $_SESSION[$_this->app]['boomerang']['url'])) { |
---|
| 951 | unset($_SESSION[$_this->app]['boomerang']['url'][$existing_key]); |
---|
[1] | 952 | } |
---|
| 953 | } |
---|
[42] | 954 | |
---|
[1] | 955 | if (isset($id)) { |
---|
[119] | 956 | $_SESSION[$_this->app]['boomerang']['url'][$id] = $url; |
---|
[1] | 957 | } else { |
---|
[119] | 958 | $_SESSION[$_this->app]['boomerang']['url'][] = $url; |
---|
[1] | 959 | } |
---|
[119] | 960 | $_this->logMsg(sprintf('setBoomerangURL(%s): %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 961 | return true; |
---|
| 962 | } else { |
---|
[119] | 963 | $_this->logMsg(sprintf('setBoomerangURL(%s) is empty!', $id, $url), LOG_NOTICE, __FILE__, __LINE__); |
---|
[1] | 964 | return false; |
---|
| 965 | } |
---|
| 966 | } |
---|
[42] | 967 | |
---|
[1] | 968 | /** |
---|
| 969 | * Return the URL set for the specified $id. |
---|
| 970 | * |
---|
| 971 | * @param string $id An identification tag for this url. |
---|
| 972 | */ |
---|
| 973 | function getBoomerangURL($id=null) |
---|
| 974 | { |
---|
[119] | 975 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 976 | $_this =& App::getInstance(); |
---|
[1] | 977 | } |
---|
| 978 | |
---|
[119] | 979 | if (!$_this->running) { |
---|
| 980 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 981 | return false; |
---|
| 982 | } |
---|
[42] | 983 | |
---|
[1] | 984 | if (isset($id)) { |
---|
[119] | 985 | if (isset($_SESSION[$_this->app]['boomerang']['url'][$id])) { |
---|
| 986 | return $_SESSION[$_this->app]['boomerang']['url'][$id]; |
---|
[1] | 987 | } else { |
---|
| 988 | return ''; |
---|
| 989 | } |
---|
[119] | 990 | } else if (is_array($_SESSION[$_this->app]['boomerang']['url'])) { |
---|
| 991 | return end($_SESSION[$_this->app]['boomerang']['url']); |
---|
[1] | 992 | } else { |
---|
| 993 | return false; |
---|
| 994 | } |
---|
| 995 | } |
---|
[42] | 996 | |
---|
[1] | 997 | /** |
---|
| 998 | * Delete the URL set for the specified $id. |
---|
| 999 | * |
---|
| 1000 | * @param string $id An identification tag for this url. |
---|
| 1001 | */ |
---|
| 1002 | function deleteBoomerangURL($id=null) |
---|
| 1003 | { |
---|
[119] | 1004 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 1005 | $_this =& App::getInstance(); |
---|
[1] | 1006 | } |
---|
| 1007 | |
---|
[119] | 1008 | if (!$_this->running) { |
---|
| 1009 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 1010 | return false; |
---|
| 1011 | } |
---|
[42] | 1012 | |
---|
[119] | 1013 | $_this->logMsg(sprintf('deleteBoomerangURL(%s): %s', $id, $_this->getBoomerangURL($id)), LOG_DEBUG, __FILE__, __LINE__); |
---|
[22] | 1014 | |
---|
[119] | 1015 | if (isset($id) && isset($_SESSION[$_this->app]['boomerang']['url'][$id])) { |
---|
| 1016 | unset($_SESSION[$_this->app]['boomerang']['url'][$id]); |
---|
| 1017 | } else if (is_array($_SESSION[$_this->app]['boomerang']['url'])) { |
---|
| 1018 | array_pop($_SESSION[$_this->app]['boomerang']['url']); |
---|
[1] | 1019 | } |
---|
| 1020 | } |
---|
[42] | 1021 | |
---|
[1] | 1022 | /** |
---|
[103] | 1023 | * Check if a valid boomerang URL value has been set. A boomerang URL is considered |
---|
| 1024 | * valid if: 1) it is not empty, 2) it is not the current URL, and 3) has not been accessed within n seconds. |
---|
[1] | 1025 | * |
---|
[103] | 1026 | * @return bool True if it is set and valid, false otherwise. |
---|
[1] | 1027 | */ |
---|
| 1028 | function validBoomerangURL($id=null, $use_nonspecificboomerang=false) |
---|
| 1029 | { |
---|
[119] | 1030 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 1031 | $_this =& App::getInstance(); |
---|
[1] | 1032 | } |
---|
| 1033 | |
---|
[119] | 1034 | if (!$_this->running) { |
---|
| 1035 | $_this->logMsg(sprintf('Canceled method call %s, application not running.', __FUNCTION__), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 1036 | return false; |
---|
| 1037 | } |
---|
[42] | 1038 | |
---|
[119] | 1039 | if (!isset($_SESSION[$_this->app]['boomerang']['url'])) { |
---|
| 1040 | $_this->logMsg(sprintf('validBoomerangURL(%s) no boomerang URL set.', $id), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 1041 | return false; |
---|
| 1042 | } |
---|
[42] | 1043 | |
---|
[1] | 1044 | // Time is the timestamp of a boomerangURL redirection, or setting of a boomerangURL. |
---|
| 1045 | // a boomerang redirection will always occur at least several seconds after the last boomerang redirect |
---|
| 1046 | // or a boomerang being set. |
---|
[119] | 1047 | $boomerang_time = isset($_SESSION[$_this->app]['boomerang']['time']) ? $_SESSION[$_this->app]['boomerang']['time'] : 0; |
---|
[42] | 1048 | |
---|
[22] | 1049 | $url = ''; |
---|
[119] | 1050 | if (isset($id) && isset($_SESSION[$_this->app]['boomerang']['url'][$id])) { |
---|
| 1051 | $url = $_SESSION[$_this->app]['boomerang']['url'][$id]; |
---|
[1] | 1052 | } else if (!isset($id) || $use_nonspecificboomerang) { |
---|
| 1053 | // Use non specific boomerang if available. |
---|
[119] | 1054 | $url = end($_SESSION[$_this->app]['boomerang']['url']); |
---|
[1] | 1055 | } |
---|
[42] | 1056 | |
---|
[119] | 1057 | $_this->logMsg(sprintf('validBoomerangURL(%s) testing: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[22] | 1058 | |
---|
| 1059 | if ('' == $url) { |
---|
[119] | 1060 | $_this->logMsg(sprintf('validBoomerangURL(%s) not valid, empty!', $id), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 1061 | return false; |
---|
| 1062 | } |
---|
| 1063 | if ($url == absoluteMe()) { |
---|
| 1064 | // The URL we are directing to is the current page. |
---|
[119] | 1065 | $_this->logMsg(sprintf('validBoomerangURL(%s) not valid, same as absoluteMe: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 1066 | return false; |
---|
| 1067 | } |
---|
| 1068 | if ($boomerang_time >= (time() - 2)) { |
---|
| 1069 | // Last boomerang direction was more than 2 seconds ago. |
---|
[119] | 1070 | $_this->logMsg(sprintf('validBoomerangURL(%s) not valid, boomerang_time too short: %s', $id, time() - $boomerang_time), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 1071 | return false; |
---|
| 1072 | } |
---|
[42] | 1073 | |
---|
[119] | 1074 | $_this->logMsg(sprintf('validBoomerangURL(%s) is valid: %s', $id, $url), LOG_DEBUG, __FILE__, __LINE__); |
---|
[1] | 1075 | return true; |
---|
| 1076 | } |
---|
| 1077 | |
---|
| 1078 | /** |
---|
| 1079 | * Force the user to connect via https (port 443) by redirecting them to |
---|
| 1080 | * the same page but with https. |
---|
| 1081 | */ |
---|
| 1082 | function sslOn() |
---|
| 1083 | { |
---|
[119] | 1084 | if (!isset($_this) || !is_a($_this, 'App') && !is_subclass_of($_this, 'App')) { |
---|
| 1085 | $_this =& App::getInstance(); |
---|
[1] | 1086 | } |
---|
[42] | 1087 | |
---|
[38] | 1088 | if (function_exists('apache_get_modules')) { |
---|
[42] | 1089 | $modules = apache_get_modules(); |
---|
[38] | 1090 | } else { |
---|
| 1091 | // It's safe to assume we have mod_ssl if we can't determine otherwise. |
---|
| 1092 | $modules = array('mod_ssl'); |
---|
| 1093 | } |
---|
[42] | 1094 | |
---|
[119] | 1095 | if ('' == getenv('HTTPS') && $_this->getParam('ssl_enabled') && in_array('mod_ssl', $modules)) { |
---|
| 1096 | $_this->raiseMsg(sprintf(_("Secure SSL connection made to %s"), $_this->getParam('ssl_domain')), MSG_NOTICE, __FILE__, __LINE__); |
---|
[1] | 1097 | // Always append session because some browsers do not send cookie when crossing to SSL URL. |
---|
[119] | 1098 | $_this->dieURL('https://' . $_this->getParam('ssl_domain') . getenv('REQUEST_URI'), null, true); |
---|
[1] | 1099 | } |
---|
| 1100 | } |
---|
[42] | 1101 | |
---|
| 1102 | |
---|
[1] | 1103 | /** |
---|
| 1104 | * to enforce the user to connect via http (port 80) by redirecting them to |
---|
| 1105 | * a http version of the current url. |
---|
| 1106 | */ |
---|
| 1107 | function sslOff() |
---|
| 1108 | { |
---|
[53] | 1109 | if ('' != getenv('HTTPS')) { |
---|
[1] | 1110 | $this->dieURL('http://' . getenv('HTTP_HOST') . getenv('REQUEST_URI'), null, true); |
---|
| 1111 | } |
---|
| 1112 | } |
---|
| 1113 | |
---|
[42] | 1114 | |
---|
[1] | 1115 | } // End. |
---|
| 1116 | |
---|
| 1117 | ?> |
---|