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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 | <?php //======================================================================= // File: JPGRAPH_ERRHANDLER.PHP // Description: Error handler class together with handling of localized // error messages. All localized error messages are stored // in a separate file under the "lang/" subdirectory. // Created: 2006-09-24 // Ver: $Id: jpgraph_errhandler.inc.php 1801 2009-09-08 10:51:24Z ljp $ // // Copyright 2006 (c) Aditus Consulting. All rights reserved. //======================================================================== if( !defined('DEFAULT_ERR_LOCALE') ) { define('DEFAULT_ERR_LOCALE','en'); } if( !defined('USE_IMAGE_ERROR_HANDLER') ) { define('USE_IMAGE_ERROR_HANDLER',true); } GLOBAL $__jpg_err_locale ; $__jpg_err_locale = DEFAULT_ERR_LOCALE; class ErrMsgText { private $lt=NULL; function __construct() { GLOBAL $__jpg_err_locale; $file = 'lang/'.$__jpg_err_locale.'.inc.php'; // If the chosen locale doesn't exist try english if( !file_exists(dirname(__FILE__).'/'.$file) ) { $__jpg_err_locale = 'en'; } $file = 'lang/'.$__jpg_err_locale.'.inc.php'; if( !file_exists(dirname(__FILE__).'/'.$file) ) { die('Chosen locale file ("'.$file.'") for error messages does not exist or is not readable for the PHP process. Please make sure that the file exists and that the file permissions are such that the PHP process is allowed to read this file.'); } require($file); $this->lt = $_jpg_messages; } function Get($errnbr,$a1=null,$a2=null,$a3=null,$a4=null,$a5=null) { GLOBAL $__jpg_err_locale; if( !isset($this->lt[$errnbr]) ) { return 'Internal error: The specified error message ('.$errnbr.') does not exist in the chosen locale ('.$__jpg_err_locale.')'; } $ea = $this->lt[$errnbr]; $j=0; if( $a1 !== null ) { $argv[$j++] = $a1; if( $a2 !== null ) { $argv[$j++] = $a2; if( $a3 !== null ) { $argv[$j++] = $a3; if( $a4 !== null ) { $argv[$j++] = $a4; if( $a5 !== null ) { $argv[$j++] = $a5; } } } } } $numargs = $j; if( $ea[1] != $numargs ) { // Error message argument count do not match. // Just return the error message without arguments. return $ea[0]; } switch( $numargs ) { case 1: $msg = sprintf($ea[0],$argv[0]); break; case 2: $msg = sprintf($ea[0],$argv[0],$argv[1]); break; case 3: $msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2]); break; case 4: $msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2],$argv[3]); break; case 5: $msg = sprintf($ea[0],$argv[0],$argv[1],$argv[2],$argv[3],$argv[4]); break; case 0: default: $msg = sprintf($ea[0]); break; } return $msg; } } // // A wrapper class that is used to access the specified error object // (to hide the global error parameter and avoid having a GLOBAL directive // in all methods. // class JpGraphError { private static $__iImgFlg = true; private static $__iLogFile = ''; private static $__iTitle = 'JpGraph Error: '; public static function Raise($aMsg,$aHalt=true){ throw new JpGraphException($aMsg); } public static function SetErrLocale($aLoc) { GLOBAL $__jpg_err_locale ; $__jpg_err_locale = $aLoc; } public static function RaiseL($errnbr,$a1=null,$a2=null,$a3=null,$a4=null,$a5=null) { throw new JpGraphExceptionL($errnbr,$a1,$a2,$a3,$a4,$a5); } public static function SetImageFlag($aFlg=true) { self::$__iImgFlg = $aFlg; } public static function GetImageFlag() { return self::$__iImgFlg; } public static function SetLogFile($aFile) { self::$__iLogFile = $aFile; } public static function GetLogFile() { return self::$__iLogFile; } public static function SetTitle($aTitle) { self::$__iTitle = $aTitle; } public static function GetTitle() { return self::$__iTitle; } } // Setup the default handler global $__jpg_OldHandler; $__jpg_OldHandler = set_exception_handler(array('JpGraphException','defaultHandler')); class JpGraphException extends Exception { // Redefine the exception so message isn't optional public function __construct($message, $code = 0) { // make sure everything is assigned properly parent::__construct($message, $code); } // custom string representation of object public function _toString() { return __CLASS__ . ": [{$this->code}]: {$this->message} at " . basename($this->getFile()) . ":" . $this->getLine() . "\n" . $this->getTraceAsString() . "\n"; } // custom representation of error as an image public function Stroke() { if( JpGraphError::GetImageFlag() ) { $errobj = new JpGraphErrObjectImg(); $errobj->SetTitle(JpGraphError::GetTitle()); } else { $errobj = new JpGraphErrObject(); $errobj->SetTitle(JpGraphError::GetTitle()); $errobj->SetStrokeDest(JpGraphError::GetLogFile()); } $errobj->Raise($this->getMessage()); } static public function defaultHandler(Exception $exception) { global $__jpg_OldHandler; if( $exception instanceof JpGraphException ) { $exception->Stroke(); } else { // Restore old handler if( $__jpg_OldHandler !== NULL ) { set_exception_handler($__jpg_OldHandler); } throw $exception; } } } class JpGraphExceptionL extends JpGraphException { // Redefine the exception so message isn't optional public function __construct($errcode,$a1=null,$a2=null,$a3=null,$a4=null,$a5=null) { // make sure everything is assigned properly $errtxt = new ErrMsgText(); JpGraphError::SetTitle('JpGraph Error: '.$errcode); parent::__construct($errtxt->Get($errcode,$a1,$a2,$a3,$a4,$a5), 0); } } // // First of all set up a default error handler // //============================================================= // The default trivial text error handler. //============================================================= class JpGraphErrObject { protected $iTitle = "JpGraph error: "; protected $iDest = false; function __construct() { // Empty. Reserved for future use } function SetTitle($aTitle) { $this->iTitle = $aTitle; } function SetStrokeDest($aDest) { $this->iDest = $aDest; } // If aHalt is true then execution can't continue. Typical used for fatal errors function Raise($aMsg,$aHalt=false) { if( $this->iDest != '' ) { if( $this->iDest == 'syslog' ) { error_log($this->iTitle.$aMsg); } else { $str = '['.date('r').'] '.$this->iTitle.$aMsg."\n"; $f = @fopen($this->iDest,'a'); if( $f ) { @fwrite($f,$str); @fclose($f); } } } else { $aMsg = $this->iTitle.$aMsg; // Check SAPI and if we are called from the command line // send the error to STDERR instead if( PHP_SAPI == 'cli' ) { fwrite(STDERR,$aMsg); } else { echo $aMsg; } } if( $aHalt ) exit(1); } } //============================================================== // An image based error handler //============================================================== class JpGraphErrObjectImg extends JpGraphErrObject { function __construct() { parent::__construct(); // Empty. Reserved for future use } function Raise($aMsg,$aHalt=true) { $img_iconerror = 'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAMAAAC7IEhfAAAAaV'. 'BMVEX//////2Xy8mLl5V/Z2VvMzFi/v1WyslKlpU+ZmUyMjEh/'. 'f0VyckJlZT9YWDxMTDjAwMDy8sLl5bnY2K/MzKW/v5yyspKlpY'. 'iYmH+MjHY/PzV/f2xycmJlZVlZWU9MTEXY2Ms/PzwyMjLFTjea'. 'AAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACx'. 'IAAAsSAdLdfvwAAAAHdElNRQfTBgISOCqusfs5AAABLUlEQVR4'. '2tWV3XKCMBBGWfkranCIVClKLd/7P2Q3QsgCxjDTq+6FE2cPH+'. 'xJ0Ogn2lQbsT+Wrs+buAZAV4W5T6Bs0YXBBwpKgEuIu+JERAX6'. 'wM2rHjmDdEITmsQEEmWADgZm6rAjhXsoMGY9B/NZBwJzBvn+e3'. 'wHntCAJdGu9SviwIwoZVDxPB9+Rc0TSEbQr0j3SA1gwdSn6Db0'. '6Tm1KfV6yzWGQO7zdpvyKLKBDmRFjzeB3LYgK7r6A/noDAfjtS'. 'IXaIzbJSv6WgUebTMV4EoRB8a2mQiQjgtF91HdKDKZ1gtFtQjk'. 'YcWaR5OKOhkYt+ZsTFdJRfPAApOpQYJTNHvCRSJR6SJngQadfc'. 'vd69OLMddVOPCGVnmrFD8bVYd3JXfxXPtLR/+mtv59/ALWiiMx'. 'qL72fwAAAABJRU5ErkJggg==' ; if( function_exists("imagetypes") ) { $supported = imagetypes(); } else { $supported = 0; } if( !function_exists('imagecreatefromstring') ) { $supported = 0; } if( ob_get_length() || headers_sent() || !($supported & IMG_PNG) ) { // Special case for headers already sent or that the installation doesn't support // the PNG format (which the error icon is encoded in). // Dont return an image since it can't be displayed die($this->iTitle.' '.$aMsg); } $aMsg = wordwrap($aMsg,55); $lines = substr_count($aMsg,"\n"); // Create the error icon GD $erricon = Image::CreateFromString(base64_decode($img_iconerror)); // Create an image that contains the error text. $w=400; & |