X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Furl_parser.php;h=ba037388285cd93b3296c91039818ef9488105d3;hb=623662614b34b6f05a5ba6330bc5a624c8e9b731;hp=de49b1e8cded733571d0a1370d32d681c741d934;hpb=23aef3271babd4f54f379953b7111ec76e10f9fd;p=squirrelmail.git diff --git a/functions/url_parser.php b/functions/url_parser.php index de49b1e8..ba037388 100644 --- a/functions/url_parser.php +++ b/functions/url_parser.php @@ -3,15 +3,19 @@ /** * url_parser.php * - * Copyright (c) 1999-2002 The SquirrelMail Project Team + * Copyright (c) 1999-2004 The SquirrelMail Project Team * Licensed under the GNU GPL. For full terms see the file COPYING. * * This code provides various string manipulation functions that are * used by the rest of the Squirrelmail code. * * $Id$ + * @package squirrelmail */ +/** + * Undocumented - complain, then patch. + */ function replaceBlock (&$in, $replace, $start, $end) { $begin = substr($in,0,$start); $end = substr($in,$end,strlen($in)-$end); @@ -34,42 +38,30 @@ $Host_RegExp_Match = '(' . $IP_RegExp_Match . $Email_RegExp_Match = '[0-9a-z]([-_.+]?[0-9a-z])*(%' . $Host_RegExp_Match . ')?@' . $Host_RegExp_Match; +/** + * Parses a body and converts all found email addresses to clickable links. + * + * @param string body the body to process, by ref + * @return int the number of unique addresses found + */ function parseEmail (&$body) { - global $color, $Email_RegExp_Match, $compose_new_win; - $Size = strlen($body); - - /* - * This is here in case we ever decide to use highlighting of searched - * text. this does it for email addresses - * - * if ($what && ($where == "BODY" || $where == "TEXT")) { - * eregi ($Email_RegExp_Match, $body, $regs); - * $oldaddr = $regs[0]; - * if ($oldaddr) { - * $newaddr = eregi_replace ($what, "$what", $oldaddr); - * $body = str_replace ($oldaddr, "$newaddr", $body); - * } - * } else { - * $body = eregi_replace ($Email_RegExp_Match, "\\0", $body); - * } - */ - - if( eregi($Email_RegExp_Match, $body, $regs) ) { - if ($compose_new_win == '1') { - $comp_uri = '../src/compose.php?send_to='.urlencode($regs[0]); - $body = str_replace($regs[0], ''.$regs[0].'', $body); - } - else { - $body = str_replace($regs[0], ''.$regs[0].'', $body); - } - } + global $color, $Email_RegExp_Match; + $sbody = $body; + $addresses = array(); - /* If there are any changes, it'll just get bigger. */ - if ($Size != strlen($body)) { - return 1; + /* Find all the email addresses in the body */ + while(eregi($Email_RegExp_Match, $sbody, $regs)) { + $addresses[$regs[0]] = $regs[0]; + $start = strpos($sbody, $regs[0]) + strlen($regs[0]); + $sbody = substr($sbody, $start); + } + /* Replace each email address with a compose URL */ + foreach ($addresses as $email) { + $comp_uri = makeComposeLink('src/compose.php?send_to='.urlencode($email), $email); + $body = str_replace($email, $comp_uri, $body); } - return 0; + /* Return number of unique addresses found */ + return count($addresses); } @@ -82,6 +74,7 @@ $url_parser_url_tokens = array( 'https://', 'ftp://', 'telnet:', // Special case -- doesn't need the slashes + 'mailto:', // Special case -- doesn't use the slashes 'gopher://', 'news://'); @@ -91,45 +84,91 @@ $url_parser_poss_ends = array(' ', "\n", "\r", '<', '>', ".\r", ".\n", ']', '[', '{', '}', "\240", ', ', '. ', ",\n", ",\r"); +/** + * rfc 2368 (mailto URL) preg_match() regexp + * @link http://www.ietf.org/rfc/rfc2368.txt + * @global string MailTo_PReg_Match the encapsulated regexp for preg_match() + */ +global $MailTo_PReg_Match; +$Mailto_Email_RegExp = '[0-9a-z%]([-_.+%]?[0-9a-z])*(%' . $Host_RegExp_Match . ')?@' . $Host_RegExp_Match; +$MailTo_PReg_Match = '/((?:' . $Mailto_Email_RegExp . ')*)((?:\?(?:to|cc|bcc|subject|body)=[^\s\?&=,()]+)?(?:&(?:to|cc|bcc|subject|body)=[^\s\?&=,()]+)*)/i'; + +/** + * Parses a body and converts all found URLs to clickable links. + * + * @param string body the body to process, by ref + * @return void + */ function parseUrl (&$body) { - global $url_parser_poss_ends, $url_parser_url_tokens;; - $start = 0; - $target_pos = strlen($body); - - while ($start != $target_pos) { + global $url_parser_poss_ends, $url_parser_url_tokens; + $start = 0; + $blength = strlen($body); + + while ($start < $blength) { $target_token = ''; - + $target_pos = $blength; + /* Find the first token to replace */ foreach ($url_parser_url_tokens as $the_token) { $pos = strpos(strtolower($body), $the_token, $start); - if (is_int($pos) && $pos < $target_pos) { - $target_pos = $pos; + if (is_int($pos) && $pos < $blength) { + $target_pos = $pos; $target_token = $the_token; } } - + /* Look for email addresses between $start and $target_pos */ - $check_str = substr($body, $start, $target_pos); - + $check_str = substr($body, $start, $target_pos-$start); + if (parseEmail($check_str)) { replaceBlock($body, $check_str, $start, $target_pos); + $blength = strlen($body); $target_pos = strlen($check_str) + $start; } /* If there was a token to replace, replace it */ + if ($target_token == 'mailto:') { // rfc 2368 (mailto URL) + $target_pos += 7; //skip mailto: + $end = $blength; + + $mailto = substr($body, $target_pos, $end-$target_pos); + + global $MailTo_PReg_Match; + if ((preg_match($MailTo_PReg_Match, $mailto, $regs)) && ($regs[0] != '')) { + //sm_print_r($regs); + $mailto_before = $target_token . $regs[0]; + $mailto_params = $regs[10]; + if ($regs[1]) { //if there is an email addr before '?', we need to merge it with the params + $to = 'to=' . $regs[1]; + if (strpos($mailto_params, 'to=') > -1) //already a 'to=' + $mailto_params = str_replace('to=', $to . '%2C%20', $mailto_params); + else { + if ($mailto_params) //already some params, append to them + $mailto_params .= '&' . $to; + else + $mailto_params .= '?' . $to; + } + } + $url_str = str_replace(array('to=', 'cc=', 'bcc='), array('send_to=', 'send_to_cc=', 'send_to_bcc='), $mailto_params); + $comp_uri = makeComposeLink('src/compose.php' . $url_str, $mailto_before); + replaceBlock($body, $comp_uri, $target_pos - 7, $target_pos + strlen($regs[0])); + $target_pos += strlen($comp_uri) - 7; + } + } + else if ($target_token != '') { /* Find the end of the URL */ - $end=strlen($body); - foreach ($url_parser_poss_ends as $key => $val) { - $enda = strpos($body,$val,$target_pos); + $end = $blength; + foreach ($url_parser_poss_ends as $val) { + $enda = strpos($body, $val, $target_pos); if (is_int($enda) && $enda < $end) { $end = $enda; } } - + /* Extract URL */ $url = substr($body, $target_pos, $end-$target_pos); - + /* Needed since lines are not passed with \n or \r */ while ( ereg("[,\.]$", $url) ) { $url = substr( $url, 0, -1 ); @@ -141,16 +180,16 @@ function parseUrl (&$body) { $url_str = "$url"; replaceBlock($body,$url_str,$target_pos,$end); $target_pos += strlen($url_str); - } - else { - // Not quite a valid link, skip ahead to next chance - $target_pos += strlen($target_token); + } + else { + // Not quite a valid link, skip ahead to next chance + $target_pos += strlen($target_token); } } - + /* Move forward */ - $start = $target_pos; - $target_pos = strlen($body); + $start = $target_pos; + $blength = strlen($body); } } ?>