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1 <?php 2 3 // This file is part of Moodle - http://moodle.org/ 4 // 5 // Moodle is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // Moodle is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License 16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18 /** 19 * About validateUrlSyntax(): 20 * This function will verify if a http URL is formatted properly, returning 21 * either with true or false. 22 * 23 * I used rfc #2396 URI: Generic Syntax as my guide when creating the 24 * regular expression. For all the details see the comments below. 25 * 26 * Usage: 27 * validateUrlSyntax( url_to_check[, options]) 28 * 29 * url_to_check - string - The url to check 30 * 31 * options - string - A optional string of options to set which parts of 32 * the url are required, optional, or not allowed. Each option 33 * must be followed by a "+" for required, "?" for optional, or 34 * "-" for not allowed. 35 * 36 * s - Scheme. Allows "+?-", defaults to "s?" 37 * H - http:// Allows "+?-", defaults to "H?" 38 * S - https:// (SSL). Allows "+?-", defaults to "S?" 39 * E - mailto: (email). Allows "+?-", defaults to "E-" 40 * F - ftp:// Allows "+?-", defaults to "F-" 41 * Dependant on scheme being enabled 42 * u - User section. Allows "+?-", defaults to "u?" 43 * P - Password in user section. Allows "+?-", defaults to "P?" 44 * Dependant on user section being enabled 45 * a - Address (ip or domain). Allows "+?-", defaults to "a+" 46 * I - Ip address. Allows "+?-", defaults to "I?" 47 * If I+, then domains are disabled 48 * If I-, then domains are required 49 * Dependant on address being enabled 50 * p - Port number. Allows "+?-", defaults to "p?" 51 * f - File path. Allows "+?-", defaults to "f?" 52 * q - Query section. Allows "+?-", defaults to "q?" 53 * r - Fragment (anchor). Allows "+?-", defaults to "r?" 54 * 55 * Paste the funtion code, or include_once() this template at the top of the page 56 * you wish to use this function. 57 * 58 * 59 * Examples: 60 * <code> 61 * validateUrlSyntax('http://george@www.cnn.com/#top') 62 * 63 * validateUrlSyntax('https://games.yahoo.com:8080/board/chess.htm?move=true') 64 * 65 * validateUrlSyntax('http://www.hotmail.com/', 's+u-I-p-q-r-') 66 * 67 * validateUrlSyntax('/directory/file.php#top', 's-u-a-p-f+') 68 * 69 * 70 * if (validateUrlSyntax('http://www.canowhoopass.com/', 'u-')) 71 * { 72 * echo 'URL SYNTAX IS VERIFIED'; 73 * } else { 74 * echo 'URL SYNTAX IS ILLEGAL'; 75 * } 76 * </code> 77 * 78 * Last Edited: 79 * December 15th 2004 80 * 81 * 82 * Changelog: 83 * December 15th 2004 84 * -Added new TLD's - .jobs, .mobi, .post and .travel. They are official, but not yet active. 85 * 86 * August 31th 2004 87 * -Fixed bug allowing empty username even when it was required 88 * -Changed and added a few options to add extra schemes 89 * -Added mailto: ftp:// and http:// options 90 * -https option was 'l' now it is 'S' (capital) 91 * -Added password option. Now passwords can be disabled while usernames are ok (for email) 92 * -IP Address option was 'i' now it is 'I' (capital) 93 * -Options are now case sensitive 94 * -Added validateEmailSyntax() and validateFtpSyntax() functions below<br> 95 * 96 * August 27th, 2004 97 * -IP group range is more specific. Used to allow 0-299. Now it is 0-255 98 * -Port range more specific. Used to allow 0-69999. Now it is 0-65535<br> 99 * -Fixed bug disallowing 'i-' option.<br> 100 * -Changed license to GPL 101 * 102 * July 8th, 2004 103 * -Fixed bug disallowing 'l-' option. Thanks Dr. Cheap 104 * 105 * June 15, 2004 106 * -Added options parameter to make it easier for people to plug the function in 107 * without needed to rework the code. 108 * -Split the example application away from the function 109 * 110 * June 1, 2004 111 * -Complete rewrite 112 * -Now more modular 113 * -Easier to disable sections 114 * -Easier to port to other languages 115 * -Easier to port to verify email addresses 116 * -Uses only simple regular expressions so it is more portable 117 * -Follows RFC closer for domain names. Some "play" domains may break 118 * -Renamed from 'verifyUrl()' to 'validateUrlSyntax()' 119 * -Removed extra code which added 'http://' and trailing '/' if it was missing 120 * -That code was better suited for a massaging function, not verifying 121 * -Bug fixes: 122 * -Now splits up and forces '/path?query#fragment' order 123 * -No longer requires a path when using a query or fragment 124 * 125 * August 29, 2003 126 * -Allowed port numbers above 9999. Now allows up to 69999 127 * 128 * Sometime, 2002 129 * -Added new top level domains 130 * -aero, coop, museum, name, info, biz, pro 131 * 132 * October 5, 2000 133 * -First Version 134 * 135 * 136 * Intentional Limitations: 137 * -Does not verify url actually exists. Only validates the syntax 138 * -Strictly follows the RFC standards. Some urls exist in the wild which will 139 * not validate. Including ones with square brackets in the query section '[]' 140 * 141 * 142 * Known Problems: 143 * -None at this time 144 * 145 * 146 * Author(s): 147 * Rod Apeldoorn - rod(at)canowhoopass(dot)com 148 * 149 * 150 * Homepage: 151 * http://www.canowhoopass.com/ 152 * 153 * 154 * Thanks!: 155 * -WEAV -Several members of Weav helped to test - http://weav.bc.ca/ 156 * -There were also a number of emails from other developers expressing 157 * thanks and suggestions. It is nice to be appreciated. Thanks! 158 * 159 * Alternate Commercial Licenses: 160 * For information in regards to alternate licensing, contact me. 161 * 162 * @package moodlecore 163 * @copyright Copyright 2004, Rod Apeldoorn {@link http://www.canowhoopass.com/} 164 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 165 */ 166 167 /** 168 * BEGINNING OF validateUrlSyntax() function 169 */ 170 function validateUrlSyntax( $urladdr, $options="" ){ 171 172 // Force Options parameter to be lower case 173 // DISABLED PERMAMENTLY - OK to remove from code 174 // $options = strtolower($options); 175 176 // Check Options Parameter 177 if (!preg_match( '/^([sHSEFuPaIpfqr][+?-])*$/', $options )) 178 { 179 trigger_error("Options attribute malformed", E_USER_ERROR); 180 } 181 182 // Set Options Array, set defaults if options are not specified 183 // Scheme 184 if (strpos( $options, 's') === false) $aOptions['s'] = '?'; 185 else $aOptions['s'] = substr( $options, strpos( $options, 's') + 1, 1); 186 // http:// 187 if (strpos( $options, 'H') === false) $aOptions['H'] = '?'; 188 else $aOptions['H'] = substr( $options, strpos( $options, 'H') + 1, 1); 189 // https:// (SSL) 190 if (strpos( $options, 'S') === false) $aOptions['S'] = '?'; 191 else $aOptions['S'] = substr( $options, strpos( $options, 'S') + 1, 1); 192 // mailto: (email) 193 if (strpos( $options, 'E') === false) $aOptions['E'] = '-'; 194 else $aOptions['E'] = substr( $options, strpos( $options, 'E') + 1, 1); 195 // ftp:// 196 if (strpos( $options, 'F') === false) $aOptions['F'] = '-'; 197 else $aOptions['F'] = substr( $options, strpos( $options, 'F') + 1, 1); 198 // User section 199 if (strpos( $options, 'u') === false) $aOptions['u'] = '?'; 200 else $aOptions['u'] = substr( $options, strpos( $options, 'u') + 1, 1); 201 // Password in user section 202 if (strpos( $options, 'P') === false) $aOptions['P'] = '?'; 203 else $aOptions['P'] = substr( $options, strpos( $options, 'P') + 1, 1); 204 // Address Section 205 if (strpos( $options, 'a') === false) $aOptions['a'] = '+'; 206 else $aOptions['a'] = substr( $options, strpos( $options, 'a') + 1, 1); 207 // IP Address in address section 208 if (strpos( $options, 'I') === false) $aOptions['I'] = '?'; 209 else $aOptions['I'] = substr( $options, strpos( $options, 'I') + 1, 1); 210 // Port number 211 if (strpos( $options, 'p') === false) $aOptions['p'] = '?'; 212 else $aOptions['p'] = substr( $options, strpos( $options, 'p') + 1, 1); 213 // File Path 214 if (strpos( $options, 'f') === false) $aOptions['f'] = '?'; 215 else $aOptions['f'] = substr( $options, strpos( $options, 'f') + 1, 1); 216 // Query Section 217 if (strpos( $options, 'q') === false) $aOptions['q'] = '?'; 218 else $aOptions['q'] = substr( $options, strpos( $options, 'q') + 1, 1); 219 // Fragment (Anchor) 220 if (strpos( $options, 'r') === false) $aOptions['r'] = '?'; 221 else $aOptions['r'] = substr( $options, strpos( $options, 'r') + 1, 1); 222 223 224 // Loop through options array, to search for and replace "-" to "{0}" and "+" to "" 225 foreach($aOptions as $key => $value) 226 { 227 if ($value == '-') 228 { 229 $aOptions[$key] = '{0}'; 230 } 231 if ($value == '+') 232 { 233 $aOptions[$key] = ''; 234 } 235 } 236 237 // DEBUGGING - Unescape following line to display to screen current option values 238 // echo '<pre>'; print_r($aOptions); echo '</pre>'; 239 240 241 // Preset Allowed Characters 242 $alphanum = '[a-zA-Z0-9]'; // Alpha Numeric 243 $unreserved = '[a-zA-Z0-9_.!~*' . '\'' . '()-]'; 244 $escaped = '(%[0-9a-fA-F]{2})'; // Escape sequence - In Hex - %6d would be a 'm' 245 $reserved = '[;/?:@&=+$,]'; // Special characters in the URI 246 247 // Beginning Regular Expression 248 // Scheme - Allows for 'http://', 'https://', 'mailto:', or 'ftp://' 249 $scheme = '('; 250 if ($aOptions['H'] === '') { $scheme .= 'http://'; } 251 elseif ($aOptions['S'] === '') { $scheme .= 'https://'; } 252 elseif ($aOptions['E'] === '') { $scheme .= 'mailto:'; } 253 elseif ($aOptions['F'] === '') { $scheme .= 'ftp://'; } 254 else 255 { 256 if ($aOptions['H'] === '?') { $scheme .= '|(http://)'; } 257 if ($aOptions['S'] === '?') { $scheme .= '|(https://)'; } 258 if ($aOptions['E'] === '?') { $scheme .= '|(mailto:)'; } 259 if ($aOptions['F'] === '?') { $scheme .= '|(ftp://)'; } 260 $scheme = str_replace('(|', '(', $scheme); // fix first pipe 261 } 262 $scheme .= ')' . $aOptions['s']; 263 // End setting scheme 264 265 // User Info - Allows for 'username@' or 'username:password@'. Note: contrary to rfc, I removed ':' from username section, allowing it only in password. 266 // /---------------- Username -----------------------\ /-------------------------------- Password ------------------------------\ 267 $userinfo = '((' . $unreserved . '|' . $escaped . '|[;&=+$,]' . ')+(:(' . $unreserved . '|' . $escaped . '|[;:&=+$,]' . ')+)' . $aOptions['P'] . '@)' . $aOptions['u']; 268 269 // IP ADDRESS - Allows 0.0.0.0 to 255.255.255.255 270 $ipaddress = '((((2(([0-4][0-9])|(5[0-5])))|([01]?[0-9]?[0-9]))\.){3}((2(([0-4][0-9])|(5[0-5])))|([01]?[0-9]?[0-9])))'; 271 272 // Tertiary Domain(s) - Optional - Multi - Although some sites may use other characters, the RFC says tertiary domains have the same naming restrictions as second level domains 273 $domain_tertiary = '(' . $alphanum . '(([a-zA-Z0-9-]{0,62})' . $alphanum . ')?\.)*'; 274 275 /* MDL-9295 - take out domain_secondary here and below, so that URLs like http://localhost/ and lan addresses like http://host/ are accepted. 276 // Second Level Domain - Required - First and last characters must be Alpha-numeric. Hyphens are allowed inside. 277 $domain_secondary = '(' . $alphanum . '(([a-zA-Z0-9-]{0,62})' . $alphanum . ')?\.)'; 278 */ 279 280 // we want more relaxed URLs in Moodle: MDL-11462 281 // Top Level Domain - First character must be Alpha. Last character must be AlphaNumeric. Hyphens are allowed inside. 282 $domain_toplevel = '([a-zA-Z](([a-zA-Z0-9-]*)[a-zA-Z0-9])?)'; 283 /* // Top Level Domain - Required - Domain List Current As Of December 2004. Use above escaped line to be forgiving of possible future TLD's 284 $domain_toplevel = '(aero|biz|com|coop|edu|gov|info|int|jobs|mil|mobi|museum|name|net|org|post|pro|travel|ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|az|ax|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|in|io|iq|ir|is|it|je|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tl|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)'; 285 */ 286 287 // Address can be IP address or Domain 288 if ($aOptions['I'] === '{0}') { // IP Address Not Allowed 289 $address = '(' . $domain_tertiary . /* MDL-9295 $domain_secondary . */ $domain_toplevel . ')'; 290 } elseif ($aOptions['I'] === '') { // IP Address Required 291 $address = '(' . $ipaddress . ')'; 292 } else { // IP Address Optional 293 $address = '((' . $ipaddress . ')|(' . $domain_tertiary . /* MDL-9295 $domain_secondary . */ $domain_toplevel . '))'; 294 } 295 $address = $address . $aOptions['a']; 296 297 // Port Number - :80 or :8080 or :65534 Allows range of :0 to :65535 298 // (0-59999) |(60000-64999) |(65000-65499) |(65500-65529) |(65530-65535) 299 $port_number = '(:(([0-5]?[0-9]{1,4})|(6[0-4][0-9]{3})|(65[0-4][0-9]{2})|(655[0-2][0-9])|(6553[0-5])))' . $aOptions['p']; 300 301 // Path - Can be as simple as '/' or have multiple folders and filenames 302 $path = '(/((;)?(' . $unreserved . '|' . $escaped . '|' . '[:@&=+$,]' . ')+(/)?)*)' . $aOptions['f']; 303 304 // Query Section - Accepts ?var1=value1&var2=value2 or ?2393,1221 and much more 305 $querystring = '(\?(' . $reserved . '|' . $unreserved . '|' . $escaped . ')*)' . $aOptions['q']; 306 307 // Fragment Section - Accepts anchors such as #top 308 $fragment = '(\#(' . $reserved . '|' . $unreserved . '|' . $escaped . ')*)' . $aOptions['r']; 309 310 311 // Building Regular Expression 312 $regexp = '#^' . $scheme . $userinfo . $address . $port_number . $path . $querystring . $fragment . '$#i'; 313 314 // DEBUGGING - Uncomment Line Below To Display The Regular Expression Built 315 // echo '<pre>' . htmlentities(wordwrap($regexp,70,"\n",1)) . '</pre>'; 316 317 // Running the regular expression 318 if (preg_match( $regexp, $urladdr )) 319 { 320 return true; // The domain passed 321 } 322 else 323 { 324 return false; // The domain didn't pass the expression 325 } 326 327 } // END Function validateUrlSyntax() 328 329 330 331 /** 332 * About ValidateEmailSyntax(): 333 * This function uses the ValidateUrlSyntax() function to easily check the 334 * syntax of an email address. It accepts the same options as ValidateURLSyntax 335 * but defaults them for email addresses. 336 * 337 * 338 * Usage: 339 * <code> 340 * validateEmailSyntax( url_to_check[, options]) 341 * </code> 342 * url_to_check - string - The url to check 343 * 344 * options - string - A optional string of options to set which parts of 345 * the url are required, optional, or not allowed. Each option 346 * must be followed by a "+" for required, "?" for optional, or 347 * "-" for not allowed. See ValidateUrlSyntax() docs for option list. 348 * 349 * The default options are changed to: 350 * s-H-S-E+F-u+P-a+I-p-f-q-r- 351 * 352 * This only allows an address of "name@domain". 353 * 354 * Examples: 355 * <code> 356 * validateEmailSyntax('george@fakemail.com') 357 * validateEmailSyntax('mailto:george@fakemail.com', 's+') 358 * validateEmailSyntax('george@fakemail.com?subject=Hi%20George', 'q?') 359 * validateEmailSyntax('george@212.198.33.12', 'I?') 360 * </code> 361 * 362 * 363 * Author(s): 364 * Rod Apeldoorn - rod(at)canowhoopass(dot)com 365 * 366 * 367 * Homepage: 368 * http://www.canowhoopass.com/ 369 * 370 * 371 * License: 372 * Copyright 2004 - Rod Apeldoorn 373 * 374 * Released under same license as validateUrlSyntax(). For details, contact me. 375 */ 376 377 function validateEmailSyntax( $emailaddr, $options="" ){ 378 379 // Check Options Parameter 380 if (!preg_match( '/^([sHSEFuPaIpfqr][+?-])*$/', $options )) 381 { 382 trigger_error("Options attribute malformed", E_USER_ERROR); 383 } 384 385 // Set Options Array, set defaults if options are not specified 386 // Scheme 387 if (strpos( $options, 's') === false) $aOptions['s'] = '-'; 388 else $aOptions['s'] = substr( $options, strpos( $options, 's') + 1, 1); 389 // http:// 390 if (strpos( $options, 'H') === false) $aOptions['H'] = '-'; 391 else $aOptions['H'] = substr( $options, strpos( $options, 'H') + 1, 1); 392 // https:// (SSL) 393 if (strpos( $options, 'S') === false) $aOptions['S'] = '-'; 394 else $aOptions['S'] = substr( $options, strpos( $options, 'S') + 1, 1); 395 // mailto: (email) 396 if (strpos( $options, 'E') === false) $aOptions['E'] = '?'; 397 else $aOptions['E'] = substr( $options, strpos( $options, 'E') + 1, 1); 398 // ftp:// 399 if (strpos( $options, 'F') === false) $aOptions['F'] = '-'; 400 else $aOptions['F'] = substr( $options, strpos( $options, 'F') + 1, 1); 401 // User section 402 if (strpos( $options, 'u') === false) $aOptions['u'] = '+'; 403 else $aOptions['u'] = substr( $options, strpos( $options, 'u') + 1, 1); 404 // Password in user section 405 if (strpos( $options, 'P') === false) $aOptions['P'] = '-'; 406 else $aOptions['P'] = substr( $options, strpos( $options, 'P') + 1, 1); 407 // Address Section 408 if (strpos( $options, 'a') === false) $aOptions['a'] = '+'; 409 else $aOptions['a'] = substr( $options, strpos( $options, 'a') + 1, 1); 410 // IP Address in address section 411 if (strpos( $options, 'I') === false) $aOptions['I'] = '-'; 412 else $aOptions['I'] = substr( $options, strpos( $options, 'I') + 1, 1); 413 // Port number 414 if (strpos( $options, 'p') === false) $aOptions['p'] = '-'; 415 else $aOptions['p'] = substr( $options, strpos( $options, 'p') + 1, 1); 416 // File Path 417 if (strpos( $options, 'f') === false) $aOptions['f'] = '-'; 418 else $aOptions['f'] = substr( $options, strpos( $options, 'f') + 1, 1); 419 // Query Section 420 if (strpos( $options, 'q') === false) $aOptions['q'] = '-'; 421 else $aOptions['q'] = substr( $options, strpos( $options, 'q') + 1, 1); 422 // Fragment (Anchor) 423 if (strpos( $options, 'r') === false) $aOptions['r'] = '-'; 424 else $aOptions['r'] = substr( $options, strpos( $options, 'r') + 1, 1); 425 426 // Generate options 427 $newoptions = ''; 428 foreach($aOptions as $key => $value) 429 { 430 $newoptions .= $key . $value; 431 } 432 433 // DEBUGGING - Uncomment line below to display generated options 434 // echo '<pre>' . $newoptions . '</pre>'; 435 436 // Send to validateUrlSyntax() and return result 437 return validateUrlSyntax( $emailaddr, $newoptions); 438 439 } // END Function validateEmailSyntax() 440 441 442 443 /** 444 * About ValidateFtpSyntax(): 445 * This function uses the ValidateUrlSyntax() function to easily check the 446 * syntax of an FTP address. It accepts the same options as ValidateURLSyntax 447 * but defaults them for FTP addresses. 448 * 449 * 450 * Usage: 451 * <code> 452 * validateFtpSyntax( url_to_check[, options]) 453 * </code> 454 * url_to_check - string - The url to check 455 * 456 * options - string - A optional string of options to set which parts of 457 * the url are required, optional, or not allowed. Each option 458 * must be followed by a "+" for required, "?" for optional, or 459 * "-" for not allowed. See ValidateUrlSyntax() docs for option list. 460 * 461 * The default options are changed to: 462 * s?H-S-E-F+u?P?a+I?p?f?q-r- 463 * 464 * Examples: 465 * <code> 466 * validateFtpSyntax('ftp://netscape.com') 467 * validateFtpSyntax('moz:iesucks@netscape.com') 468 * validateFtpSyntax('ftp://netscape.com:2121/browsers/ns7/', 'u-') 469 * </code> 470 * 471 * Author(s): 472 * Rod Apeldoorn - rod(at)canowhoopass(dot)com 473 * 474 * 475 * Homepage: 476 * http://www.canowhoopass.com/ 477 * 478 * 479 * License: 480 * Copyright 2004 - Rod Apeldoorn 481 * 482 * Released under same license as validateUrlSyntax(). For details, contact me. 483 */ 484 485 function validateFtpSyntax( $ftpaddr, $options="" ){ 486 487 // Check Options Parameter 488 if (!preg_match( '/^([sHSEFuPaIpfqr][+?-])*$/', $options )) 489 { 490 trigger_error("Options attribute malformed", E_USER_ERROR); 491 } 492 493 // Set Options Array, set defaults if options are not specified 494 // Scheme 495 if (strpos( $options, 's') === false) $aOptions['s'] = '?'; 496 else $aOptions['s'] = substr( $options, strpos( $options, 's') + 1, 1); 497 // http:// 498 if (strpos( $options, 'H') === false) $aOptions['H'] = '-'; 499 else $aOptions['H'] = substr( $options, strpos( $options, 'H') + 1, 1); 500 // https:// (SSL) 501 if (strpos( $options, 'S') === false) $aOptions['S'] = '-'; 502 else $aOptions['S'] = substr( $options, strpos( $options, 'S') + 1, 1); 503 // mailto: (email) 504 if (strpos( $options, 'E') === false) $aOptions['E'] = '-'; 505 else $aOptions['E'] = substr( $options, strpos( $options, 'E') + 1, 1); 506 // ftp:// 507 if (strpos( $options, 'F') === false) $aOptions['F'] = '+'; 508 else $aOptions['F'] = substr( $options, strpos( $options, 'F') + 1, 1); 509 // User section 510 if (strpos( $options, 'u') === false) $aOptions['u'] = '?'; 511 else $aOptions['u'] = substr( $options, strpos( $options, 'u') + 1, 1); 512 // Password in user section 513 if (strpos( $options, 'P') === false) $aOptions['P'] = '?'; 514 else $aOptions['P'] = substr( $options, strpos( $options, 'P') + 1, 1); 515 // Address Section 516 if (strpos( $options, 'a') === false) $aOptions['a'] = '+'; 517 else $aOptions['a'] = substr( $options, strpos( $options, 'a') + 1, 1); 518 // IP Address in address section 519 if (strpos( $options, 'I') === false) $aOptions['I'] = '?'; 520 else $aOptions['I'] = substr( $options, strpos( $options, 'I') + 1, 1); 521 // Port number 522 if (strpos( $options, 'p') === false) $aOptions['p'] = '?'; 523 else $aOptions['p'] = substr( $options, strpos( $options, 'p') + 1, 1); 524 // File Path 525 if (strpos( $options, 'f') === false) $aOptions['f'] = '?'; 526 else $aOptions['f'] = substr( $options, strpos( $options, 'f') + 1, 1); 527 // Query Section 528 if (strpos( $options, 'q') === false) $aOptions['q'] = '-'; 529 else $aOptions['q'] = substr( $options, strpos( $options, 'q') + 1, 1); 530 // Fragment (Anchor) 531 if (strpos( $options, 'r') === false) $aOptions['r'] = '-'; 532 else $aOptions['r'] = substr( $options, strpos( $options, 'r') + 1, 1); 533 534 // Generate options 535 $newoptions = ''; 536 foreach($aOptions as $key => $value) 537 { 538 $newoptions .= $key . $value; 539 } 540 541 // DEBUGGING - Uncomment line below to display generated options 542 // echo '<pre>' . $newoptions . '</pre>'; 543 544 // Send to validateUrlSyntax() and return result 545 return validateUrlSyntax( $ftpaddr, $newoptions); 546 547 } // END Function validateFtpSyntax()
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