[1] | 1 | <?php |
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| 2 | /** |
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| 3 | * Utilities.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 | |
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| 7 | |
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| 8 | /** |
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| 9 | * Print variable dump. |
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| 10 | * |
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| 11 | * @param mixed $var Variable to dump. |
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| 12 | * @param bool $display Hide the dump in HTML comments? |
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| 13 | * @param bool $var_dump Use var_dump instead of print_r. |
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| 14 | */ |
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| 15 | function dump($var, $display=false, $var_dump=false) |
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| 16 | { |
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| 17 | echo $display ? "\n<br /><pre>\n" : "\n\n\n<!--\n"; |
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| 18 | if ($var_dump) { |
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| 19 | var_dump($var); |
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| 20 | } else { |
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| 21 | print_r($var); |
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| 22 | } |
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| 23 | echo $display ? "\n</pre><br />\n" : "\n-->\n\n\n"; |
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| 24 | } |
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| 25 | |
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| 26 | /** |
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| 27 | * Return dump as variable. |
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| 28 | * |
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| 29 | * @param mixed $var Variable to dump. |
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| 30 | * @return string Dump of var. |
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| 31 | */ |
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| 32 | function getDump($var) |
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| 33 | { |
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| 34 | ob_start(); |
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| 35 | print_r($var); |
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| 36 | $d = ob_get_contents(); |
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| 37 | ob_end_clean(); |
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| 38 | return $d; |
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| 39 | } |
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| 40 | |
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| 41 | /** |
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| 42 | * Return dump as cleaned text. Useful for dumping data into emails. |
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| 43 | * |
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| 44 | * @param mixed $var Variable to dump. |
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| 45 | * @return string Dump of var. |
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| 46 | */ |
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| 47 | function fancyDump($var, $indent='') |
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| 48 | { |
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| 49 | $output = ''; |
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| 50 | if (is_array($var)) { |
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| 51 | foreach ($var as $k=>$v) { |
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| 52 | $k = ucfirst(strtolower(str_replace(array('_', ' '), ' ', $k))); |
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| 53 | if (is_array($v)) { |
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| 54 | $output .= sprintf("\n%s%s: %s\n", $indent, $k, fancyDump($v, $indent . $indent)); |
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| 55 | } else { |
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| 56 | $output .= sprintf("%s%s: %s\n", $indent, $k, $v); |
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| 57 | } |
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| 58 | } |
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| 59 | } else { |
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| 60 | $output .= sprintf("%s%s\n", $indent, $var); |
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| 61 | } |
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| 62 | return $output; |
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| 63 | } |
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| 64 | |
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| 65 | /** |
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[42] | 66 | * Returns text with appropriate html translations. |
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[1] | 67 | * |
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| 68 | * @param string $txt Text to clean. |
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[42] | 69 | * @param bool $preserve_html If set to true, oTxt will not translage <, >, ", or ' |
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[1] | 70 | * characters into HTML entities. This allows HTML to pass |
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| 71 | * through unmunged. |
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| 72 | * @return string Cleaned text. |
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| 73 | */ |
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| 74 | function oTxt($txt, $preserve_html=false) |
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| 75 | { |
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| 76 | $search = array(); |
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| 77 | $replace = array(); |
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| 78 | |
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| 79 | // Make converted ampersand entities into normal ampersands (they will be done manually later) to retain HTML entities. |
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| 80 | $search['retain_ampersand'] = '/&/'; |
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| 81 | $replace['retain_ampersand'] = '&'; |
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| 82 | |
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| 83 | if ($preserve_html) { |
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| 84 | // Convert characters that must remain non-entities for displaying HTML. |
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| 85 | $search['retain_left_angle'] = '/</'; |
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| 86 | $replace['retain_left_angle'] = '<'; |
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[42] | 87 | |
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[1] | 88 | $search['retain_right_angle'] = '/>/'; |
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| 89 | $replace['retain_right_angle'] = '>'; |
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[42] | 90 | |
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[1] | 91 | $search['retain_single_quote'] = '/'/'; |
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| 92 | $replace['retain_single_quote'] = "'"; |
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[42] | 93 | |
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[1] | 94 | $search['retain_double_quote'] = '/"/'; |
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| 95 | $replace['retain_double_quote'] = '"'; |
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| 96 | } |
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| 97 | |
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| 98 | // & becomes &. Exclude any occurance where the & is followed by a alphanum or unicode caracter. |
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[32] | 99 | $search['ampersand'] = '/&(?![\w\d#]{1,10};)/'; |
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| 100 | $replace['ampersand'] = '&'; |
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[1] | 101 | |
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| 102 | return preg_replace($search, $replace, htmlentities($txt, ENT_QUOTES, App::getParam('character_set'))); |
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| 103 | } |
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| 104 | |
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| 105 | /** |
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[103] | 106 | * Returns text with stylistic modifications. Warning: this will break some HTML attibutes! |
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[111] | 107 | * TODO: Allow a string such as this to be passted: <a href="javascript:openPopup('/foo/bar.php')">Click here</a> |
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[1] | 108 | * |
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| 109 | * @param string $txt Text to clean. |
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| 110 | * @return string Cleaned text. |
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| 111 | */ |
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| 112 | function fancyTxt($txt) |
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| 113 | { |
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[103] | 114 | $search = array(); |
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| 115 | $replace = array(); |
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| 116 | |
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| 117 | // "double quoted text" becomes “double quoted text” |
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| 118 | $search['double_quotes'] = '/(^|[^\w=])(?:"|"|"|"|“)([^"]+?)(?:"|"|"|"|”)([^\w]|$)/ms'; // " is the same as " and " and " |
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| 119 | $replace['double_quotes'] = '$1“$2”$3'; |
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| 120 | |
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| 121 | // text's apostrophes become text’s apostrophes |
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| 122 | $search['apostrophe'] = '/(\w)(?:\'|'|')(\w)/ms'; |
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| 123 | $replace['apostrophe'] = '$1’$2'; |
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| 124 | |
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| 125 | // 'single quoted text' becomes ‘single quoted text’ |
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| 126 | $search['single_quotes'] = '/(^|[^\w=])(?:\'|'|‘)([^\']+?)(?:\'|'|’)([^\w]|$)/ms'; |
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| 127 | $replace['single_quotes'] = '$1‘$2’$3'; |
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| 128 | |
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| 129 | // plural posessives' apostrophes become posessives’ |
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| 130 | $search['apostrophes'] = '/(s)(?:\'|'|')(\s)/ms'; |
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| 131 | $replace['apostrophes'] = '$1’$2'; |
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| 132 | |
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| 133 | // em--dashes become em—dashes |
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| 134 | $search['em_dash'] = '/(\s*[^!<-])--([^>-]\s*)/'; |
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| 135 | $replace['em_dash'] = '$1—$2'; |
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| 136 | |
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| 137 | return preg_replace($search, $replace, $txt); |
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[1] | 138 | } |
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| 139 | |
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[42] | 140 | |
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[1] | 141 | /** |
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| 142 | * Generates a hexadecibal html color based on provided word. |
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| 143 | * |
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| 144 | * @access public |
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| 145 | * @param string $text A string for which to convert to color. |
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| 146 | * @return string A hexadecimal html color. |
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| 147 | */ |
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| 148 | function getTextColor($text, $method=1) |
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| 149 | { |
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| 150 | $r = substr(md5($text), 0, 1); |
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| 151 | $g = substr(md5($text), 1, 1); |
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| 152 | $b = substr(md5($text), 2, 1); |
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| 153 | |
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| 154 | switch ($method) { |
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| 155 | case 2 : |
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| 156 | if (hexdec($r) > hexdec('c')) { |
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| 157 | $r = dechex(hexdec('f') - hexdec($r)); |
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| 158 | } |
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| 159 | if (hexdec($g) > hexdec('c')) { |
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| 160 | $g = dechex(hexdec('f') - hexdec($g)); |
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| 161 | } |
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| 162 | if (hexdec($b) > hexdec('c')) { |
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| 163 | $b = dechex(hexdec('f') - hexdec($b)); |
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| 164 | } |
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| 165 | break; |
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[42] | 166 | |
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[1] | 167 | case 1 : |
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| 168 | default : |
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| 169 | $r = dechex(round(hexdec($r) * .8)); |
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| 170 | $g = dechex(round(hexdec($g) * .8)); |
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| 171 | $b = dechex(round(hexdec($b) * .6)); |
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| 172 | break; |
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| 173 | } |
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| 174 | |
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| 175 | return $r . $r . $g . $g . $b . $b; |
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| 176 | } |
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| 177 | |
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| 178 | /** |
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| 179 | * Encodes a string into unicode values 128-255. |
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| 180 | * Useful for hiding an email address from spambots. |
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| 181 | * |
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| 182 | * @access public |
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| 183 | * @param string $text A line of text to encode. |
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| 184 | * @return string Encoded text. |
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| 185 | */ |
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| 186 | function encodeAscii($text) |
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| 187 | { |
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| 188 | $ouput = ''; |
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| 189 | $num = strlen($text); |
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| 190 | for ($i=0; $i<$num; $i++) { |
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| 191 | $output .= sprintf('&#%03s', ord($text{$i})); |
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| 192 | } |
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| 193 | return $output; |
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| 194 | } |
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| 195 | |
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| 196 | /** |
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[84] | 197 | * Encodes an email into a "user at domain dot com" format. |
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[9] | 198 | * |
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| 199 | * @access public |
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| 200 | * @param string $email An email to encode. |
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| 201 | * @param string $at Replaces the @. |
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| 202 | * @param string $dot Replaces the .. |
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| 203 | * @return string Encoded email. |
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| 204 | */ |
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[53] | 205 | function encodeEmail($email, $at=' at ', $dot=' dot ') |
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[9] | 206 | { |
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| 207 | $search = array('/@/', '/\./'); |
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| 208 | $replace = array($at, $dot); |
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| 209 | return preg_replace($search, $replace, $email); |
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| 210 | } |
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| 211 | |
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| 212 | /** |
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[84] | 213 | * Turns "a really long string" into "a rea...string" |
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| 214 | * |
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| 215 | * @access public |
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| 216 | * @param string $str Input string |
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| 217 | * @param int $len Maximum string length. |
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| 218 | * @param string $where Where to cut the string. One of: 'start', 'middle', or 'end'. |
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| 219 | * @return string Truncated output string |
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| 220 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 221 | * @since 29 Mar 2006 13:48:49 |
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| 222 | */ |
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| 223 | function truncate($str, $len, $where='middle') |
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| 224 | { |
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| 225 | $part1 = floor(($len - 3) / 2); |
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| 226 | $part2 = ceil(($len - 3) / 2); |
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| 227 | switch ($where) { |
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| 228 | case 'start' : |
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| 229 | return preg_replace(array(sprintf('/^.{4,}(.{%s})$/', $part1 + $part2), '/\s*\.{3,}\s*/'), array('...$1', '...'), $str); |
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| 230 | break; |
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| 231 | default : |
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| 232 | case 'middle' : |
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| 233 | return preg_replace(array(sprintf('/^(.{%s}).{4,}(.{%s})$/', $part1, $part2), '/\s*\.{3,}\s*/'), array('$1...$2', '...'), $str); |
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| 234 | break; |
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| 235 | case 'end' : |
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| 236 | return preg_replace(array(sprintf('/^(.{%s}).{4,}$/', $part1 + $part2), '/\s*\.{3,}\s*/'), array('$1...', '...'), $str); |
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| 237 | break; |
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| 238 | } |
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| 239 | } |
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| 240 | |
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| 241 | /** |
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[1] | 242 | * Return a human readable filesize. |
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| 243 | * |
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| 244 | * @param int $size Size |
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| 245 | * @param int $unit The maximum unit |
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| 246 | * @param int $format The return string format |
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| 247 | * @author Aidan Lister <aidan@php.net> |
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| 248 | * @version 1.1.0 |
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| 249 | */ |
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| 250 | function humanFileSize($size, $unit=null, $format='%01.2f %s') |
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| 251 | { |
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| 252 | // Units |
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| 253 | $units = array('B', 'KB', 'MB', 'GB', 'TB'); |
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| 254 | $ii = count($units) - 1; |
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[42] | 255 | |
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[1] | 256 | // Max unit |
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| 257 | $unit = array_search((string) $unit, $units); |
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| 258 | if ($unit === null || $unit === false) { |
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| 259 | $unit = $ii; |
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| 260 | } |
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[42] | 261 | |
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[1] | 262 | // Loop |
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| 263 | $i = 0; |
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| 264 | while ($unit != $i && $size >= 1024 && $i < $ii) { |
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| 265 | $size /= 1024; |
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| 266 | $i++; |
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| 267 | } |
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[42] | 268 | |
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[1] | 269 | return sprintf($format, $size, $units[$i]); |
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| 270 | } |
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| 271 | |
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[233] | 272 | /* |
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| 273 | * Returns a human readable amount of time for the given amount of seconds. |
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| 274 | * |
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| 275 | * 45 seconds |
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| 276 | * 12 minutes |
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| 277 | * 3.5 hours |
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| 278 | * 2 days |
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| 279 | * 1 week |
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| 280 | * 4 months |
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| 281 | * |
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| 282 | * Months are calculated using the real number of days in a year: 365.2422 / 12. |
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| 283 | * |
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| 284 | * @access public |
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| 285 | * @param int $seconds Seconds of time. |
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| 286 | * @param string $max_unit Key value from the $units array. |
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| 287 | * @param string $format Sprintf formatting string. |
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| 288 | * @return string Value of units elapsed. |
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| 289 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 290 | * @version 1.0 |
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| 291 | * @since 23 Jun 2006 12:15:19 |
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| 292 | */ |
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| 293 | function humanTime($seconds, $max_unit=null, $format='%01.1f') |
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| 294 | { |
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| 295 | // Units: array of seconds in the unit, singular and plural unit names. |
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| 296 | $units = array( |
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| 297 | 'second' => array(1, _("second"), _("seconds")), |
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| 298 | 'minute' => array(60, _("minute"), _("minutes")), |
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| 299 | 'hour' => array(3600, _("hour"), _("hours")), |
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| 300 | 'day' => array(86400, _("day"), _("days")), |
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| 301 | 'week' => array(604800, _("week"), _("weeks")), |
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| 302 | 'month' => array(2629743.84, _("month"), _("months")), |
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| 303 | 'year' => array(31556926.08, _("year"), _("years")), |
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| 304 | 'decade' => array(315569260.8, _("decade"), _("decades")), |
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| 305 | ); |
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| 306 | |
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| 307 | // Max unit to calculate. |
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| 308 | $max_unit = isset($units[$max_unit]) ? $max_unit : 'decade'; |
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| 309 | |
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| 310 | $final_time = $seconds; |
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| 311 | $last_unit = 'second'; |
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| 312 | foreach ($units as $k => $v) { |
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| 313 | if ($max_unit != $k && $seconds >= $v[0]) { |
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| 314 | $final_time = $seconds / $v[0]; |
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| 315 | $last_unit = $k; |
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| 316 | } |
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| 317 | } |
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| 318 | $final_time = sprintf($format, $final_time); |
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| 319 | return sprintf('%s %s', $final_time, (1 == $final_time ? $units[$last_unit][1] : $units[$last_unit][2])); |
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| 320 | } |
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| 321 | |
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[1] | 322 | /** |
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[26] | 323 | * Returns stats of a file from the include path. |
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| 324 | * |
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| 325 | * @param string $file File in include path. |
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| 326 | * @return mixed Value of requested key from fstat(), or false on error. |
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| 327 | * @author Quinn Comendant <quinn@strangecode.com> |
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| 328 | * @since 03 Dec 2005 14:23:26 |
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| 329 | */ |
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| 330 | function statIncludePath($file, $stat) |
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| 331 | { |
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| 332 | // Open file pointer read-only using include path. |
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| 333 | if ($fp = fopen($file, 'r', true)) { |
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| 334 | // File opend successfully, get stats. |
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| 335 | $stats = fstat($fp); |
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| 336 | fclose($fp); |
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| 337 | // Return specified stats. |
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| 338 | return $stats[$stat]; |
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| 339 | } else { |
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| 340 | return false; |
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| 341 | } |
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| 342 | } |
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| 343 | |
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| 344 | /** |
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[1] | 345 | * If $var is net set or null, set it to $default. Otherwise leave it alone. |
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| 346 | * Returns the final value of $var. Use to find a default value of one is not avilable. |
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| 347 | * |
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| 348 | * @param mixed $var The variable that is being set. |
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| 349 | * @param mixed $default What to set it to if $val is not currently set. |
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[42] | 350 | * @return mixed The resulting value of $var. |
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[1] | 351 | */ |
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| 352 | function setDefault(&$var, $default='') |
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| 353 | { |
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| 354 | if (!isset($var)) { |
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| 355 | $var = $default; |
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| 356 | } |
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| 357 | return $var; |
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| 358 | } |
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| 359 | |
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| 360 | /** |
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| 361 | * Like preg_quote() except for arrays, it takes an array of strings and puts |
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| 362 | * a backslash in front of every character that is part of the regular |
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| 363 | * expression syntax. |
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| 364 | * |
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| 365 | * @param array $array input array |
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| 366 | * @param array $delim optional character that will also be excaped. |
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| 367 | * @return array an array with the same values as $array1 but shuffled |
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| 368 | */ |
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| 369 | function pregQuoteArray($array, $delim='/') |
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| 370 | { |
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| 371 | if (!empty($array)) { |
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| 372 | if (is_array($array)) { |
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| 373 | foreach ($array as $key=>$val) { |
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| 374 | $quoted_array[$key] = preg_quote($val, $delim); |
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| 375 | } |
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| 376 | return $quoted_array; |
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| 377 | } else { |
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| 378 | return preg_quote($array, $delim); |
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| 379 | } |
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| 380 | } |
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| 381 | } |
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| 382 | |
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| 383 | /** |
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| 384 | * Converts a PHP Array into encoded URL arguments and return them as an array. |
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| 385 | * |
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| 386 | * @param mixed $data An array to transverse recursivly, or a string |
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| 387 | * to use directly to create url arguments. |
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| 388 | * @param string $prefix The name of the first dimension of the array. |
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| 389 | * If not specified, the first keys of the array will be used. |
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| 390 | * @return array URL with array elements as URL key=value arguments. |
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| 391 | */ |
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| 392 | function urlEncodeArray($data, $prefix='', $_return=true) { |
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[42] | 393 | |
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[1] | 394 | // Data is stored in static variable. |
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| 395 | static $args; |
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[42] | 396 | |
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[1] | 397 | if (is_array($data)) { |
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| 398 | foreach ($data as $key => $val) { |
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| 399 | // If the prefix is empty, use the $key as the name of the first dimention of the "array". |
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| 400 | // ...otherwise, append the key as a new dimention of the "array". |
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| 401 | $new_prefix = ('' == $prefix) ? urlencode($key) : $prefix . '[' . urlencode($key) . ']'; |
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| 402 | // Enter recursion. |
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| 403 | urlEncodeArray($val, $new_prefix, false); |
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| 404 | } |
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| 405 | } else { |
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[20] | 406 | // We've come to the last dimention of the array, save the "array" and its value. |
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[1] | 407 | $args[$prefix] = urlencode($data); |
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| 408 | } |
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[42] | 409 | |
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[1] | 410 | if ($_return) { |
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| 411 | // This is not a recursive execution. All recursion is complete. |
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| 412 | // Reset static var and return the result. |
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| 413 | $ret = $args; |
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| 414 | $args = array(); |
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| 415 | return is_array($ret) ? $ret : array(); |
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| 416 | } |
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| 417 | } |
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| 418 | |
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| 419 | /** |
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| 420 | * Converts a PHP Array into encoded URL arguments and return them in a string. |
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| 421 | * |
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| 422 | * @param mixed $data An array to transverse recursivly, or a string |
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| 423 | * to use directly to create url arguments. |
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| 424 | * @param string $prefix The name of the first dimention of the array. |
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| 425 | * If not specified, the first keys of the array will be used. |
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| 426 | * @return string url A string ready to append to a url. |
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| 427 | */ |
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| 428 | function urlEncodeArrayToString($data, $prefix='') { |
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[42] | 429 | |
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[1] | 430 | $array_args = urlEncodeArray($data, $prefix); |
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| 431 | $url_args = ''; |
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| 432 | $delim = ''; |
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| 433 | foreach ($array_args as $key=>$val) { |
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| 434 | $url_args .= $delim . $key . '=' . $val; |
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| 435 | $delim = ini_get('arg_separator.output'); |
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| 436 | } |
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| 437 | return $url_args; |
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| 438 | } |
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| 439 | |
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| 440 | /** |
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| 441 | * Fills an arrray with the result from a multiple ereg search. |
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| 442 | * Curtesy of Bruno - rbronosky@mac.com - 10-May-2001 |
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| 443 | * Blame him for the funky do...while loop. |
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| 444 | * |
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| 445 | * @param mixed $pattern regular expression needle |
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| 446 | * @param mixed $string haystack |
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| 447 | * @return array populated with each found result |
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| 448 | */ |
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| 449 | function eregAll($pattern, $string) |
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| 450 | { |
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| 451 | do { |
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| 452 | if (!ereg($pattern, $string, $temp)) { |
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| 453 | continue; |
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| 454 | } |
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| 455 | $string = str_replace($temp[0], '', $string); |
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| 456 | $results[] = $temp; |
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| 457 | } while (ereg($pattern, $string, $temp)); |
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| 458 | return $results; |
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| 459 | } |
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| 460 | |
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| 461 | /** |
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| 462 | * Prints the word "checked" if a variable is set, and optionally matches |
---|
| 463 | * the desired value, otherwise prints nothing, |
---|
[42] | 464 | * used for printing the word "checked" in a checkbox form input. |
---|
[1] | 465 | * |
---|
| 466 | * @param mixed $var the variable to compare |
---|
| 467 | * @param mixed $value optional, what to compare with if a specific value is required. |
---|
| 468 | */ |
---|
| 469 | function frmChecked($var, $value=null) |
---|
| 470 | { |
---|
| 471 | if (func_num_args() == 1 && $var) { |
---|
| 472 | // 'Checked' if var is true. |
---|
| 473 | echo ' checked="checked" '; |
---|
| 474 | } else if (func_num_args() == 2 && $var == $value) { |
---|
| 475 | // 'Checked' if var and value match. |
---|
| 476 | echo ' checked="checked" '; |
---|
| 477 | } else if (func_num_args() == 2 && is_array($var)) { |
---|
| 478 | // 'Checked' if the value is in the key or the value of an array. |
---|
| 479 | if (isset($var[$value])) { |
---|
| 480 | echo ' checked="checked" '; |
---|
| 481 | } else if (in_array($value, $var)) { |
---|
| 482 | echo ' checked="checked" '; |
---|
| 483 | } |
---|
| 484 | } |
---|
| 485 | } |
---|
| 486 | |
---|
| 487 | /** |
---|
| 488 | * prints the word "selected" if a variable is set, and optionally matches |
---|
| 489 | * the desired value, otherwise prints nothing, |
---|
[42] | 490 | * otherwise prints nothing, used for printing the word "checked" in a |
---|
| 491 | * select form input |
---|
[1] | 492 | * |
---|
| 493 | * @param mixed $var the variable to compare |
---|
| 494 | * @param mixed $value optional, what to compare with if a specific value is required. |
---|
| 495 | */ |
---|
| 496 | function frmSelected($var, $value=null) |
---|
| 497 | { |
---|
| 498 | if (func_num_args() == 1 && $var) { |
---|
| 499 | // 'selected' if var is true. |
---|
| 500 | echo ' selected="selected" '; |
---|
| 501 | } else if (func_num_args() == 2 && $var == $value) { |
---|
| 502 | // 'selected' if var and value match. |
---|
| 503 | echo ' selected="selected" '; |
---|
| 504 | } else if (func_num_args() == 2 && is_array($var)) { |
---|
| 505 | // 'selected' if the value is in the key or the value of an array. |
---|
| 506 | if (isset($var[$value])) { |
---|
| 507 | echo ' selected="selected" '; |
---|
| 508 | } else if (in_array($value, $var)) { |
---|
| 509 | echo ' selected="selected" '; |
---|
| 510 | } |
---|
| 511 | } |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | /** |
---|
[111] | 515 | * Adds slashes to values of an array and converts the array to a comma |
---|
| 516 | * delimited list. If value provided is a string return the string |
---|
| 517 | * escaped. This is useful for putting values coming in from posted |
---|
| 518 | * checkboxes into a SET column of a database. |
---|
| 519 | * |
---|
[1] | 520 | * |
---|
[111] | 521 | * @param array $in Array to convert. |
---|
[1] | 522 | * @return string Comma list of array values. |
---|
| 523 | */ |
---|
[302] | 524 | function escapedList($in, $separator="', '") |
---|
[1] | 525 | { |
---|
[111] | 526 | if (is_array($in) && !empty($in)) { |
---|
[222] | 527 | return join($separator, array_map(array('DB', 'escapeString'), $in)); |
---|
[111] | 528 | } else { |
---|
| 529 | return DB::escapeString($in); |
---|
[1] | 530 | } |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | /** |
---|
[111] | 534 | * Converts a human string date into a SQL-safe date. Dates nearing |
---|
| 535 | * infinity use the date 2038-01-01 so conversion to unix time format |
---|
| 536 | * remain within valid range. |
---|
[1] | 537 | * |
---|
| 538 | * @param array $date String date to convert. |
---|
[42] | 539 | * @param array $format Date format to pass to date(). |
---|
[1] | 540 | * Default produces MySQL datetime: 0000-00-00 00:00:00. |
---|
| 541 | * @return string SQL-safe date. |
---|
| 542 | */ |
---|
| 543 | function strToSQLDate($date, $format='Y-m-d H:i:s') |
---|
| 544 | { |
---|
| 545 | // Translate the human string date into SQL-safe date format. |
---|
[220] | 546 | if (empty($date) || strpos($date, '0000-00-00') !== false || strtotime($date) === -1 || strtotime($date) === false) { |
---|
[221] | 547 | // Return a string of zero time, formatted the same as $format. |
---|
| 548 | return strtr($format, array( |
---|
| 549 | 'Y' => '0000', |
---|
| 550 | 'm' => '00', |
---|
| 551 | 'd' => '00', |
---|
| 552 | 'H' => '00', |
---|
| 553 | 'i' => '00', |
---|
| 554 | 's' => '00', |
---|
| 555 | )); |
---|
[1] | 556 | } else { |
---|
[220] | 557 | return date($format, strtotime($date)); |
---|
[1] | 558 | } |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | /** |
---|
| 562 | * If magic_quotes_gpc is in use, run stripslashes() on $var. If $var is an |
---|
| 563 | * array, stripslashes is run on each value, recursivly, and the stripped |
---|
[51] | 564 | * array is returned. |
---|
[1] | 565 | * |
---|
| 566 | * @param mixed $var The string or array to un-quote, if necessary. |
---|
| 567 | * @return mixed $var, minus any magic quotes. |
---|
| 568 | */ |
---|
| 569 | function dispelMagicQuotes($var) |
---|
| 570 | { |
---|
| 571 | static $magic_quotes_gpc; |
---|
[42] | 572 | |
---|
[1] | 573 | if (!isset($magic_quotes_gpc)) { |
---|
| 574 | $magic_quotes_gpc = get_magic_quotes_gpc(); |
---|
| 575 | } |
---|
[42] | 576 | |
---|
[1] | 577 | if ($magic_quotes_gpc) { |
---|
| 578 | if (!is_array($var)) { |
---|
| 579 | $var = stripslashes($var); |
---|
| 580 | } else { |
---|
| 581 | foreach ($var as $key=>$val) { |
---|
| 582 | if (is_array($val)) { |
---|
| 583 | $var[$key] = dispelMagicQuotes($val); |
---|
| 584 | } else { |
---|
| 585 | $var[$key] = stripslashes($val); |
---|
| 586 | } |
---|
| 587 | } |
---|
| 588 | } |
---|
| 589 | } |
---|
| 590 | return $var; |
---|
| 591 | } |
---|
| 592 | |
---|
| 593 | /** |
---|
| 594 | * Get a form variable from GET or POST data, stripped of magic |
---|
| 595 | * quotes if necessary. |
---|
| 596 | * |
---|
| 597 | * @param string $var (optional) The name of the form variable to look for. |
---|
| 598 | * @param string $default (optional) The value to return if the |
---|
| 599 | * variable is not there. |
---|
| 600 | * @return mixed A cleaned GET or POST if no $var specified. |
---|
| 601 | * @return string A cleaned form $var if found, or $default. |
---|
| 602 | */ |
---|
| 603 | function getFormData($var=null, $default=null) |
---|
| 604 | { |
---|
| 605 | if ('POST' == getenv('REQUEST_METHOD') && is_null($var)) { |
---|
| 606 | return dispelMagicQuotes($_POST); |
---|
| 607 | } else if ('GET' == getenv('REQUEST_METHOD') && is_null($var)) { |
---|
| 608 | return dispelMagicQuotes($_GET); |
---|
| 609 | } |
---|
| 610 | if (isset($_POST[$var])) { |
---|
[51] | 611 | return dispelMagicQuotes($_POST[$var]); |
---|
[1] | 612 | } else if (isset($_GET[$var])) { |
---|
[51] | 613 | return dispelMagicQuotes($_GET[$var]); |
---|
[1] | 614 | } else { |
---|
| 615 | return $default; |
---|
| 616 | } |
---|
| 617 | } |
---|
| 618 | function getPost($var=null, $default=null) |
---|
| 619 | { |
---|
| 620 | if (is_null($var)) { |
---|
[51] | 621 | return dispelMagicQuotes($_POST); |
---|
[1] | 622 | } |
---|
| 623 | if (isset($_POST[$var])) { |
---|
[51] | 624 | return dispelMagicQuotes($_POST[$var]); |
---|
[1] | 625 | } else { |
---|
| 626 | return $default; |
---|
| 627 | } |
---|
| 628 | } |
---|
| 629 | function getGet($var=null, $default=null) |
---|
| 630 | { |
---|
| 631 | if (is_null($var)) { |
---|
[51] | 632 | return dispelMagicQuotes($_GET); |
---|
[1] | 633 | } |
---|
| 634 | if (isset($_GET[$var])) { |
---|
[51] | 635 | return dispelMagicQuotes($_GET[$var]); |
---|
[1] | 636 | } else { |
---|
| 637 | return $default; |
---|
| 638 | } |
---|
| 639 | } |
---|
| 640 | |
---|
| 641 | /** |
---|
| 642 | * Signs a value using md5 and a simple text key. In order for this |
---|
| 643 | * function to be useful (i.e. secure) the key must be kept secret, which |
---|
| 644 | * means keeping it as safe as database credentials. Putting it into an |
---|
| 645 | * environment variable set in httpd.conf is a good place. |
---|
| 646 | * |
---|
| 647 | * @access public |
---|
| 648 | * @param string $val The string to sign. |
---|
[22] | 649 | * @param string $seed_key (Optional) A text key to use for computing the signature. |
---|
[1] | 650 | * @return string The original value with a signature appended. |
---|
| 651 | */ |
---|
[22] | 652 | function addSignature($val, $seed_key=null) |
---|
[1] | 653 | { |
---|
| 654 | if ('' == $val) { |
---|
| 655 | App::logMsg(sprintf('Adding signature to empty string.', null), LOG_NOTICE, __FILE__, __LINE__); |
---|
| 656 | } |
---|
[42] | 657 | |
---|
[22] | 658 | if (!isset($seed_key)) { |
---|
| 659 | $seed_key = App::getParam('signing_key'); |
---|
[1] | 660 | } |
---|
| 661 | |
---|
[22] | 662 | return $val . '-' . substr(md5($val . $seed_key), 0, 18); |
---|
[1] | 663 | } |
---|
| 664 | |
---|
| 665 | /** |
---|
| 666 | * Strips off the signature appended by addSignature(). |
---|
| 667 | * |
---|
| 668 | * @access public |
---|
| 669 | * @param string $signed_val The string to sign. |
---|
| 670 | * @return string The original value with a signature removed. |
---|
| 671 | */ |
---|
| 672 | function removeSignature($signed_val) |
---|
| 673 | { |
---|
| 674 | return substr($signed_val, 0, strrpos($signed_val, '-')); |
---|
| 675 | } |
---|
| 676 | |
---|
| 677 | |
---|
| 678 | /** |
---|
| 679 | * Verifies a signature appened to a value by addSignature(). |
---|
| 680 | * |
---|
| 681 | * @access public |
---|
| 682 | * @param string $signed_val A value with appended signature. |
---|
[22] | 683 | * @param string $seed_key (Optional) A text key to use for computing the signature. |
---|
[1] | 684 | * @return bool True if the signature matches the var. |
---|
| 685 | */ |
---|
[22] | 686 | function verifySignature($signed_val, $seed_key=null) |
---|
[1] | 687 | { |
---|
| 688 | // Strip the value from the signed value. |
---|
[22] | 689 | $val = removeSignature($signed_val); |
---|
[1] | 690 | // If the signed value matches the original signed value we consider the value safe. |
---|
[22] | 691 | if ($signed_val == addSignature($val, $seed_key)) { |
---|
[1] | 692 | // Signature verified. |
---|
| 693 | return true; |
---|
| 694 | } else { |
---|
| 695 | return false; |
---|
| 696 | } |
---|
| 697 | } |
---|
| 698 | |
---|
| 699 | /** |
---|
| 700 | * Sends empty output to the browser and flushes the php buffer so the client |
---|
[42] | 701 | * will see data before the page is finished processing. |
---|
[1] | 702 | */ |
---|
| 703 | function flushBuffer() { |
---|
| 704 | echo str_repeat(' ', 205); |
---|
| 705 | flush(); |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | /** |
---|
| 709 | * Adds email address to mailman mailing list. Requires /etc/sudoers entry for apache to sudo execute add_members. |
---|
| 710 | * Don't forget to allow php_admin_value open_basedir access to "/var/mailman/bin". |
---|
| 711 | * |
---|
| 712 | * @access public |
---|
| 713 | * @param string $email Email address to add. |
---|
| 714 | * @param string $list Name of list to add to. |
---|
| 715 | * @param bool $send_welcome_message True to send welcome message to subscriber. |
---|
| 716 | * @return bool True on success, false on failure. |
---|
| 717 | */ |
---|
| 718 | function mailmanAddMember($email, $list, $send_welcome_message=false) |
---|
| 719 | { |
---|
| 720 | $add_members = '/var/mailman/bin/add_members'; |
---|
| 721 | if (is_executable($add_members) && is_readable($add_members)) { |
---|
| 722 | $welcome_msg = $send_welcome_message ? 'y' : 'n'; |
---|
| 723 | exec(sprintf('/bin/echo %s | /usr/bin/sudo %s -r - --welcome-msg=%s --admin-notify=n %s', escapeshellarg($email), escapeshellarg($add_members), $welcome_msg, escapeshellarg($list)), $stdout, $return_code); |
---|
| 724 | if (0 == $return_code) { |
---|
| 725 | App::logMsg(sprintf('Mailman add member success for list: %s, user: %s', $list, $email, $stdout), LOG_INFO, __FILE__, __LINE__); |
---|
| 726 | return true; |
---|
| 727 | } else { |
---|
| 728 | App::logMsg(sprintf('Mailman add member failed for list: %s, user: %s, with message: %s', $list, $email, $stdout), LOG_WARNING, __FILE__, __LINE__); |
---|
| 729 | return false; |
---|
| 730 | } |
---|
| 731 | } else { |
---|
| 732 | App::logMsg(sprintf('Mailman add member program not executable: %s', $add_members), LOG_ALERT, __FILE__, __LINE__); |
---|
| 733 | return false; |
---|
| 734 | } |
---|
| 735 | } |
---|
| 736 | |
---|
| 737 | /** |
---|
| 738 | * Removes email address from mailman mailing list. Requires /etc/sudoers entry for apache to sudo execute add_members. |
---|
| 739 | * Don't forget to allow php_admin_value open_basedir access to "/var/mailman/bin". |
---|
| 740 | * |
---|
| 741 | * @access public |
---|
| 742 | * @param string $email Email address to add. |
---|
| 743 | * @param string $list Name of list to add to. |
---|
| 744 | * @param bool $send_user_ack True to send goodbye message to subscriber. |
---|
| 745 | * @return bool True on success, false on failure. |
---|
| 746 | */ |
---|
| 747 | function mailmanRemoveMember($email, $list, $send_user_ack=false) |
---|
| 748 | { |
---|
| 749 | $remove_members = '/var/mailman/bin/remove_members'; |
---|
| 750 | if (is_executable($remove_members) && is_readable($remove_members)) { |
---|
| 751 | $userack = $send_user_ack ? '' : '--nouserack'; |
---|
| 752 | exec(sprintf('/usr/bin/sudo %s %s --noadminack %s %s', escapeshellarg($remove_members), $userack, escapeshellarg($list), escapeshellarg($email)), $stdout, $return_code); |
---|
| 753 | if (0 == $return_code) { |
---|
| 754 | App::logMsg(sprintf('Mailman remove member success for list: %s, user: %s', $list, $email, $stdout), LOG_INFO, __FILE__, __LINE__); |
---|
| 755 | return true; |
---|
| 756 | } else { |
---|
| 757 | App::logMsg(sprintf('Mailman remove member failed for list: %s, user: %s, with message: %s', $list, $email, $stdout), LOG_WARNING, __FILE__, __LINE__); |
---|
| 758 | return false; |
---|
| 759 | } |
---|
| 760 | } else { |
---|
| 761 | App::logMsg(sprintf('Mailman remove member program not executable: %s', $remove_members), LOG_ALERT, __FILE__, __LINE__); |
---|
| 762 | return false; |
---|
| 763 | } |
---|
| 764 | } |
---|
| 765 | |
---|
| 766 | /** |
---|
| 767 | * If the given $url is on the same web site, return true. This can be used to |
---|
| 768 | * prevent from sending sensitive info in a get query (like the SID) to another |
---|
| 769 | * domain. |
---|
| 770 | * |
---|
| 771 | * @param string $url the URI to test. |
---|
| 772 | * @return bool True if given $url is this domain or has no domain (is a relative url), false if it's another. |
---|
| 773 | */ |
---|
| 774 | function isMyDomain($url) |
---|
| 775 | { |
---|
| 776 | static $urls = array(); |
---|
[42] | 777 | |
---|
[1] | 778 | if (!isset($urls[$url])) { |
---|
| 779 | if (!preg_match('|\w{1,}\.\w{2,5}/|', $url)) { |
---|
| 780 | // If we can't find a domain we assume the URL is relative. |
---|
| 781 | $urls[$url] = true; |
---|
| 782 | } else { |
---|
| 783 | $urls[$url] = preg_match('/' . preg_quote(getenv('HTTP_HOST')) . '/', $url); |
---|
| 784 | } |
---|
| 785 | } |
---|
| 786 | return $urls[$url]; |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | /** |
---|
[42] | 790 | * Takes a URL and returns it without the query or anchor portion |
---|
[1] | 791 | * |
---|
[193] | 792 | * @param string $url Any kind of URI. |
---|
| 793 | * @return string The URI with everything after ? or # removed. |
---|
[1] | 794 | */ |
---|
| 795 | function stripQuery($url) |
---|
| 796 | { |
---|
| 797 | return preg_replace('![?#].*!', '', $url); |
---|
| 798 | } |
---|
| 799 | |
---|
| 800 | /** |
---|
[42] | 801 | * Returns the remote IP address, taking into consideration proxy servers. |
---|
[1] | 802 | * |
---|
[193] | 803 | * @param bool $dolookup If true we resolve the IP to a host name, if false we don't. |
---|
| 804 | * @return string IP address if $dolookup is false, hostname if $dolookup is true |
---|
[1] | 805 | */ |
---|
| 806 | function getRemoteAddr($dolookup=false) |
---|
| 807 | { |
---|
| 808 | $ip = getenv('HTTP_CLIENT_IP'); |
---|
| 809 | if (empty($ip) || $ip == 'unknown' || $ip == 'localhost' || $ip == '127.0.0.1') { |
---|
| 810 | $ip = getenv('HTTP_X_FORWARDED_FOR'); |
---|
| 811 | if (empty($ip) || $ip == 'unknown' || $ip == 'localhost' || $ip == '127.0.0.1') { |
---|
| 812 | $ip = getenv('REMOTE_ADDR'); |
---|
| 813 | } |
---|
| 814 | } |
---|
[193] | 815 | return $dolookup && '' != $ip ? @gethostbyaddr($ip) : $ip; |
---|
[1] | 816 | } |
---|
| 817 | |
---|
| 818 | /** |
---|
| 819 | * Tests whether a given IP address can be found in an array of IP address networks. |
---|
| 820 | * Elements of networks array can be single IP addresses or an IP address range in CIDR notation |
---|
| 821 | * See: http://en.wikipedia.org/wiki/Classless_inter-domain_routing |
---|
| 822 | * |
---|
| 823 | * @access public |
---|
| 824 | * @param string IP address to search for. |
---|
| 825 | * @param array Array of networks to search within. |
---|
| 826 | * @return mixed Returns the network that matched on success, false on failure. |
---|
| 827 | */ |
---|
| 828 | function ipInRange($ip, $networks) |
---|
| 829 | { |
---|
| 830 | if (!is_array($networks)) { |
---|
| 831 | $networks = array($networks); |
---|
| 832 | } |
---|
[42] | 833 | |
---|
[1] | 834 | $ip_binary = sprintf('%032b', ip2long($ip)); |
---|
| 835 | foreach ($networks as $network) { |
---|
| 836 | if (preg_match('![\d\.]{7,15}/\d{1,2}!', $network)) { |
---|
| 837 | // IP is in CIDR notation. |
---|
| 838 | list($cidr_ip, $cidr_bitmask) = split('/', $network); |
---|
| 839 | $cidr_ip_binary = sprintf('%032b', ip2long($cidr_ip)); |
---|
| 840 | if (substr($ip_binary, 0, $cidr_bitmask) === substr($cidr_ip_binary, 0, $cidr_bitmask)) { |
---|
| 841 | // IP address is within the specified IP range. |
---|
| 842 | return $network; |
---|
| 843 | } |
---|
| 844 | } else { |
---|
| 845 | if ($ip === $network) { |
---|
| 846 | // IP address exactly matches. |
---|
| 847 | return $network; |
---|
| 848 | } |
---|
| 849 | } |
---|
| 850 | } |
---|
[42] | 851 | |
---|
[1] | 852 | return false; |
---|
| 853 | } |
---|
| 854 | |
---|
| 855 | /** |
---|
[42] | 856 | * Returns a fully qualified URL to the current script, including the query. |
---|
[1] | 857 | * |
---|
| 858 | * @return string a full url to the current script |
---|
| 859 | */ |
---|
| 860 | function absoluteMe() |
---|
| 861 | { |
---|
| 862 | $protocol = ('on' == getenv('HTTPS')) ? 'https://' : 'http://'; |
---|
| 863 | return $protocol . getenv('HTTP_HOST') . getenv('REQUEST_URI'); |
---|
| 864 | } |
---|
| 865 | |
---|
| 866 | /** |
---|
| 867 | * Compares the current url with the referring url. |
---|
| 868 | * |
---|
| 869 | * @param string $compary_query Include the query string in the comparison. |
---|
| 870 | * @return bool true if the current script (or specified valid_referer) |
---|
| 871 | * is the referrer. false otherwise. |
---|
| 872 | */ |
---|
| 873 | function refererIsMe($exclude_query=false) |
---|
| 874 | { |
---|
| 875 | if ($exclude_query) { |
---|
| 876 | return (stripQuery(absoluteMe()) == stripQuery(getenv('HTTP_REFERER'))); |
---|
| 877 | } else { |
---|
| 878 | return (absoluteMe() == getenv('HTTP_REFERER')); |
---|
| 879 | } |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | /** |
---|
| 883 | * Stub functions used when installation does not have |
---|
| 884 | * GNU gettext extension installed |
---|
| 885 | */ |
---|
| 886 | if (!extension_loaded('gettext')) { |
---|
| 887 | /** |
---|
| 888 | * Translates text |
---|
[42] | 889 | * |
---|
[1] | 890 | * @access public |
---|
| 891 | * @param string $text the text to be translated |
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| 892 | * @return string translated text |
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| 893 | */ |
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| 894 | function gettext($text) { |
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| 895 | return $text; |
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| 896 | } |
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[42] | 897 | |
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[1] | 898 | /** |
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| 899 | * Translates text |
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[42] | 900 | * |
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[1] | 901 | * @access public |
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| 902 | * @param string $text the text to be translated |
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| 903 | * @return string translated text |
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| 904 | */ |
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| 905 | function _($text) { |
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| 906 | return $text; |
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| 907 | } |
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[42] | 908 | |
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[1] | 909 | /** |
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| 910 | * Translates text by domain |
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[42] | 911 | * |
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[1] | 912 | * @access public |
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| 913 | * @param string $domain the language to translate the text into |
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| 914 | * @param string $text the text to be translated |
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| 915 | * @return string translated text |
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| 916 | */ |
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| 917 | function dgettext($domain, $text) { |
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| 918 | return $text; |
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| 919 | } |
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[42] | 920 | |
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[1] | 921 | /** |
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| 922 | * Translates text by domain and category |
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[42] | 923 | * |
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[1] | 924 | * @access public |
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| 925 | * @param string $domain the language to translate the text into |
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| 926 | * @param string $text the text to be translated |
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| 927 | * @param string $category the language dialect to use |
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| 928 | * @return string translated text |
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| 929 | */ |
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| 930 | function dcgettext($domain, $text, $category) { |
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| 931 | return $text; |
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| 932 | } |
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[42] | 933 | |
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[1] | 934 | /** |
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| 935 | * Binds the text domain |
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[42] | 936 | * |
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[1] | 937 | * @access public |
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| 938 | * @param string $domain the language to translate the text into |
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[42] | 939 | * @param string |
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[1] | 940 | * @return string translated text |
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| 941 | */ |
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| 942 | function bindtextdomain($domain, $directory) { |
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| 943 | return $domain; |
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| 944 | } |
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[42] | 945 | |
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[1] | 946 | /** |
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| 947 | * Sets the text domain |
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[42] | 948 | * |
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[1] | 949 | * @access public |
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| 950 | * @param string $domain the language to translate the text into |
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| 951 | * @return string translated text |
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| 952 | */ |
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| 953 | function textdomain($domain) { |
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| 954 | return $domain; |
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| 955 | } |
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| 956 | } |
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| 957 | |
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| 958 | |
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| 959 | |
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| 960 | ?> |
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