/framework/vendor/smarty2/lib/plugins/function.mailto.php

http://zoop.googlecode.com/ · PHP · 163 lines · 87 code · 26 blank · 50 comment · 18 complexity · f7673634ee0ed6147781810506464319 MD5 · raw file

  1. <?php
  2. /**
  3. * Smarty plugin
  4. * @package Smarty
  5. * @subpackage plugins
  6. */
  7. /**
  8. * Smarty {mailto} function plugin
  9. *
  10. * Type: function<br>
  11. * Name: mailto<br>
  12. * Date: May 21, 2002
  13. * Purpose: automate mailto address link creation, and optionally
  14. * encode them.<br>
  15. * Input:<br>
  16. * - address = e-mail address
  17. * - text = (optional) text to display, default is address
  18. * - encode = (optional) can be one of:
  19. * * none : no encoding (default)
  20. * * javascript : encode with javascript
  21. * * javascript_charcode : encode with javascript charcode
  22. * * hex : encode with hexidecimal (no javascript)
  23. * - cc = (optional) address(es) to carbon copy
  24. * - bcc = (optional) address(es) to blind carbon copy
  25. * - subject = (optional) e-mail subject
  26. * - newsgroups = (optional) newsgroup(s) to post to
  27. * - followupto = (optional) address(es) to follow up to
  28. * - extra = (optional) extra tags for the href link
  29. *
  30. * Examples:
  31. * <pre>
  32. * {mailto address="me@domain.com"}
  33. * {mailto address="me@domain.com" encode="javascript"}
  34. * {mailto address="me@domain.com" encode="hex"}
  35. * {mailto address="me@domain.com" subject="Hello to you!"}
  36. * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"}
  37. * {mailto address="me@domain.com" extra='class="mailto"'}
  38. * </pre>
  39. * @link http://smarty.php.net/manual/en/language.function.mailto.php {mailto}
  40. * (Smarty online manual)
  41. * @version 1.2
  42. * @author Monte Ohrt <monte at ohrt dot com>
  43. * @author credits to Jason Sweat (added cc, bcc and subject functionality)
  44. * @param array
  45. * @param Smarty
  46. * @return string
  47. */
  48. function smarty_function_mailto($params, &$smarty)
  49. {
  50. $extra = '';
  51. if (empty($params['address'])) {
  52. $smarty->trigger_error("mailto: missing 'address' parameter");
  53. return;
  54. } else {
  55. $address = $params['address'];
  56. }
  57. $text = $address;
  58. // netscape and mozilla do not decode %40 (@) in BCC field (bug?)
  59. // so, don't encode it.
  60. $mail_parms = array();
  61. foreach ($params as $var=>$value) {
  62. switch ($var) {
  63. case 'cc':
  64. case 'bcc':
  65. case 'followupto':
  66. if (!empty($value))
  67. $mail_parms[] = $var.'='.str_replace('%40','@',rawurlencode($value));
  68. break;
  69. case 'subject':
  70. case 'newsgroups':
  71. $mail_parms[] = $var.'='.rawurlencode($value);
  72. break;
  73. case 'extra':
  74. case 'text':
  75. $$var = $value;
  76. default:
  77. }
  78. }
  79. $mail_parm_vals = '';
  80. for ($i=0; $i<count($mail_parms); $i++) {
  81. $mail_parm_vals .= (0==$i) ? '?' : '&';
  82. $mail_parm_vals .= $mail_parms[$i];
  83. }
  84. $address .= $mail_parm_vals;
  85. $encode = (empty($params['encode'])) ? 'none' : $params['encode'];
  86. if (!in_array($encode,array('javascript','javascript_charcode','hex','none')) ) {
  87. $smarty->trigger_error("mailto: 'encode' parameter must be none, javascript or hex");
  88. return;
  89. }
  90. if ($encode == 'javascript' ) {
  91. $string = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');';
  92. $js_encode = '';
  93. for ($x=0; $x < strlen($string); $x++) {
  94. $js_encode .= '%' . bin2hex($string[$x]);
  95. }
  96. return '<script type="text/javascript">eval(unescape(\''.$js_encode.'\'))</script>';
  97. } elseif ($encode == 'javascript_charcode' ) {
  98. $string = '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
  99. for($x = 0, $y = strlen($string); $x < $y; $x++ ) {
  100. $ord[] = ord($string[$x]);
  101. }
  102. $_ret = "<script type=\"text/javascript\" language=\"javascript\">\n";
  103. $_ret .= "<!--\n";
  104. $_ret .= "{document.write(String.fromCharCode(";
  105. $_ret .= implode(',',$ord);
  106. $_ret .= "))";
  107. $_ret .= "}\n";
  108. $_ret .= "//-->\n";
  109. $_ret .= "</script>\n";
  110. return $_ret;
  111. } elseif ($encode == 'hex') {
  112. preg_match('!^(.*)(\?.*)$!',$address,$match);
  113. if(!empty($match[2])) {
  114. $smarty->trigger_error("mailto: hex encoding does not work with extra attributes. Try javascript.");
  115. return;
  116. }
  117. $address_encode = '';
  118. for ($x=0; $x < strlen($address); $x++) {
  119. if(preg_match('!\w!',$address[$x])) {
  120. $address_encode .= '%' . bin2hex($address[$x]);
  121. } else {
  122. $address_encode .= $address[$x];
  123. }
  124. }
  125. $text_encode = '';
  126. for ($x=0; $x < strlen($text); $x++) {
  127. $text_encode .= '&#x' . bin2hex($text[$x]).';';
  128. }
  129. $mailto = "&#109;&#97;&#105;&#108;&#116;&#111;&#58;";
  130. return '<a href="'.$mailto.$address_encode.'" '.$extra.'>'.$text_encode.'</a>';
  131. } else {
  132. // no encoding
  133. return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
  134. }
  135. }
  136. /* vim: set expandtab: */
  137. ?>