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1 | <?php |
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2 | /* URL Passing code to allow links from with in emails */ |
3 | |
4 | $url_parser_php = true; |
5 | |
6 | function replaceBlock ($in, $replace, $start, $end) { |
7 | $begin = substr($in,0,$start); |
8 | $end = substr($in,$end,strlen($in)-$end); |
9 | $ret = $begin.$replace.$end; |
10 | return $ret; |
11 | } |
12 | |
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13 | function parseEmail (&$body) { |
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14 | global $color; |
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15 | $Size = strlen($body); |
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16 | |
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17 | // Having this defined in just one spot could help when changes need |
18 | // to be made to the pattern |
19 | // Make sure that the expression is evaluated case insensitively |
20 | // |
21 | // Here's pretty sophisticated IP matching: |
22 | // $IPMatch = '(2[0-5][0-9]|1?[0-9]{1,2})'; |
23 | // $IPMatch = '\[?' . $IPMatch . '(\.' . $IPMatch . '){3}\]?'; |
24 | // |
25 | // Here's enough: |
26 | $IPMatch = '\[?[0-9]{1,3}(\.[0-9]{1,3}){3}\]?'; |
27 | $Host = '(' . $IPMatch . '|[0-9a-z]([-.]?[0-9a-z])*\.[a-wyz][a-z](g|l|m|pa|t|u|v)?)'; |
28 | $Expression = '[0-9a-z]([-_.]?[0-9a-z])*(%' . $Host . ')?@' . $Host; |
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29 | |
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30 | /* |
31 | This is here in case we ever decide to use highlighting of searched |
32 | text. this does it for email addresses |
33 | |
34 | if ($what && ($where == "BODY" || $where == "TEXT")) { |
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35 | eregi ($Expression, $body, $regs); |
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36 | $oldaddr = $regs[0]; |
37 | if ($oldaddr) { |
38 | $newaddr = eregi_replace ($what, "<b><font color=\"$color[2]\">$what</font></font></b>", $oldaddr); |
39 | $body = str_replace ($oldaddr, "<a href=\"../src/compose.php?send_to=$oldaddr\">$newaddr</a>", $body); |
40 | } |
41 | } else { |
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42 | $body = eregi_replace ($Expression, "<a href=\"../src/compose.php?send_to=\\0\">\\0</a>", $body); |
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43 | } |
44 | */ |
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45 | |
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46 | $body = eregi_replace ($Expression, "<a href=\"../src/compose.php?send_to=\\0\">\\0</a>", $body); |
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47 | |
48 | // If there are any changes, it'll just get bigger. |
49 | if ($Size != strlen($body)) |
50 | return 1; |
51 | return 0; |
175e7218 |
52 | } |
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53 | |
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54 | |
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55 | function parseUrl (&$body) |
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56 | { |
57 | $url_tokens = array( |
58 | 'http://', |
59 | 'https://', |
60 | 'ftp://', |
61 | 'telnet:', // Special case -- doesn't need the slashes |
62 | 'gopher://', |
63 | 'news://'); |
64 | |
65 | $poss_ends = array(' ', '\n', '\r', '<', '>', '.\r', '.\n', '. ', |
66 | ' ', ')', '(', '"', '<', '>', '.<', ']', '[', '{', |
67 | '}', "\240"); |
68 | |
69 | $start = 0; |
70 | $target_pos = strlen($body); |
71 | |
72 | while ($start != $target_pos) |
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73 | { |
8f7163e7 |
74 | $target_token = ''; |
75 | |
76 | // Find the first token to replace |
77 | foreach ($url_tokens as $the_token) |
78 | { |
79 | $pos = strpos(strtolower($body), $the_token, $start); |
80 | if (is_int($pos) && $pos < $target_pos) |
81 | { |
82 | $target_pos = $pos; |
83 | $target_token = $the_token; |
84 | } |
85 | } |
86 | |
87 | // Look for email addresses between $start and $target_pos |
88 | $check_str = substr($body, $start, $target_pos); |
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89 | |
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90 | if (parseEmail($check_str)) |
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91 | { |
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92 | $body = replaceBlock($body, $check_str, $start, $target_pos); |
93 | $target_pos = strlen($check_str) + $start; |
8f7163e7 |
94 | } |
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95 | |
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96 | // If there was a token to replace, replace it |
97 | if ($target_token != '') |
98 | { |
99 | // Find the end of the URL |
100 | $end=strlen($body); |
101 | foreach ($poss_ends as $key => $val) |
102 | { |
103 | $enda = strpos($body,$val,$target_pos); |
104 | if (is_int($enda) && $enda < $end) |
105 | $end = $enda; |
106 | } |
107 | |
108 | // Extract URL |
109 | $url = substr($body, $target_pos, $end-$target_pos); |
110 | |
111 | // Replace URL with HyperLinked Url, requires 1 char in link |
112 | if ($url != '' && $url != $target_token) |
113 | { |
114 | $url_str = "<a href=\"$url\" target=\"_blank\">$url</a>"; |
115 | $body = replaceBlock($body,$url_str,$target_pos,$end); |
116 | $target_pos += strlen($url_str); |
117 | } |
118 | else |
119 | { |
120 | // Not quite a valid link, skip ahead to next chance |
121 | $target_pos += strlen($target_token); |
122 | } |
123 | } |
124 | |
125 | // Move forward |
126 | $start = $target_pos; |
127 | $target_pos = strlen($body); |
128 | } |
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129 | } |
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130 | |
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131 | ?> |