+// Encode strings
+// @TODO Implement $compress
+function encodeString ($str, $compress=true) {
+ $str = urlencode(base64_encode(compileUriCode($str)));
+ return $str;
+}
+
+// Decode strings encoded with encodeString()
+// @TODO Implement $decompress
+function decodeString ($str, $decompress=true) {
+ $str = compileUriCode(base64_decode(urldecode(compileUriCode($str))));
+ return $str;
+}
+
+// Compile characters which are allowed in URLs
+function compileUriCode ($code, $simple=true) {
+ // Compile constants
+ if (!$simple) $code = str_replace("{--", '".', str_replace("--}", '."', $code));
+
+ // Compile QUOT and other non-HTML codes
+ $code = str_replace("{DOT}", ".",
+ str_replace("{SLASH}", "/",
+ str_replace("{QUOT}", "'",
+ str_replace("{DOLLAR}", "$",
+ str_replace("{OPEN_ANCHOR}", "(",
+ str_replace("{CLOSE_ANCHOR}", ")",
+ str_replace("{OPEN_SQR}", "[",
+ str_replace("{CLOSE_SQR}", "]",
+ str_replace("{PER}", "%",
+ $code
+ )))))))));
+
+ // Return compiled code
+ return $code;
+}
+
+// Function taken from user comments on www.php.net / function eregi()
+function isUrlValid ($url) {
+ // Prepare URL
+ $url = strip_tags(str_replace("\\", "", compileUriCode(urldecode($url))));
+
+ // Allows http and https
+ $http = "(http|https)+(:\/\/)";
+ // Test domain
+ $domain1 = "([[:alnum:]]([-[:alnum:]])*\.)?([[:alnum:]][-[:alnum:]\.]*[[:alnum:]])(\.[[:alpha:]]{2,5})?";
+ // Test double-domains (e.g. .de.vu)
+ $domain2 = "([-[:alnum:]])?(\.[[:alnum:]][-[:alnum:]\.]*[[:alnum:]])(\.[[:alpha:]]{2,5})(\.[[:alpha:]]{2,5})?";
+ // Test IP number
+ $ip = "([[:digit:]]{1,3})\.([[:digit:]]{1,3})\.([[:digit:]]{1,3})\.([[:digit:]]{1,3})";
+ // ... directory
+ $dir = "((/)+([-_\.[:alnum:]])+)*";
+ // ... page
+ $page = "/([-_[:alnum:]][-\._[:alnum:]]*\.[[:alnum:]]{2,5})?";
+ // ... and the string after and including question character
+ $getstring1 = "([\?/]([[:alnum:]][-\._%[:alnum:]]*(=)?([-\@\._:%[:alnum:]])+)(&([[:alnum:]]([-_%[:alnum:]])*(=)?([-\@\[\._:%[:alnum:]])+(\])*))*)?";
+ // Pattern for URLs like http://url/dir/doc.html?var=value
+ $pattern['d1dpg1'] = $http.$domain1.$dir.$page.$getstring1;
+ $pattern['d2dpg1'] = $http.$domain2.$dir.$page.$getstring1;
+ $pattern['ipdpg1'] = $http.$ip.$dir.$page.$getstring1;
+ // Pattern for URLs like http://url/dir/?var=value
+ $pattern['d1dg1'] = $http.$domain1.$dir."/".$getstring1;
+ $pattern['d2dg1'] = $http.$domain2.$dir."/".$getstring1;
+ $pattern['ipdg1'] = $http.$ip.$dir."/".$getstring1;
+ // Pattern for URLs like http://url/dir/page.ext
+ $pattern['d1dp'] = $http.$domain1.$dir.$page;
+ $pattern['d1dp'] = $http.$domain2.$dir.$page;
+ $pattern['ipdp'] = $http.$ip.$dir.$page;
+ // Pattern for URLs like http://url/dir
+ $pattern['d1d'] = $http.$domain1.$dir;
+ $pattern['d2d'] = $http.$domain2.$dir;
+ $pattern['ipd'] = $http.$ip.$dir;
+ // Pattern for URLs like http://url/?var=value
+ $pattern['d1g1'] = $http.$domain1."/".$getstring1;
+ $pattern['d2g1'] = $http.$domain2."/".$getstring1;
+ $pattern['ipg1'] = $http.$ip."/".$getstring1;
+ // Pattern for URLs like http://url?var=value
+ $pattern['d1g12'] = $http.$domain1.$getstring1;
+ $pattern['d2g12'] = $http.$domain2.$getstring1;
+ $pattern['ipg12'] = $http.$ip.$getstring1;
+ // Test all patterns
+ $reg = false;
+ foreach ($pattern as $key=>$pat) {
+ // Debug regex?
+ if (defined('DEBUG_REGEX')) {
+ $pat = str_replace("[:alnum:]", "0-9a-zA-Z", $pat);
+ $pat = str_replace("[:alpha:]", "a-zA-Z", $pat);
+ $pat = str_replace("[:digit:]", "0-9", $pat);
+ $pat = str_replace(".", "\.", $pat);
+ $pat = str_replace("@", "\@", $pat);
+ echo $key."= ".$pat."<br />";
+ }
+
+ // Check if expression matches
+ $reg = ($reg || preg_match(("^".$pat."^"), $url));
+
+ // Does it match?
+ if ($reg === true) break;
+ }
+
+ // Return true/false
+ return $reg;
+}
+
+// Smartly adds slashes
+function smartAddSlashes ($unquoted) {
+ $unquoted = str_replace("\\", "", $unquoted);
+ return addslashes($unquoted);
+}
+
+// Decode entities in a nicer way
+function decodeEntities ($str) {
+ // @TODO We may want to switch over to UTF-8 here!
+ $decodedString = html_entity_decode($str, ENT_NOQUOTES, "ISO-8859-15");
+
+ // Return decoded string
+ return $decodedString;
+}
+
projects / mailer.git / blobdiff