X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Furl_parser.php;h=ca1b52d10ce155a86eecc772c24952e0ad8a9eb0;hp=471a84e6fb345d4bb1cffd79fe06135ac3ed64ad;hb=e53c9681b4646b7ca1b0071434d360be56a80a6e;hpb=15e6162eacc97158393bc75aed3afeb7b19c24a6
diff --git a/functions/url_parser.php b/functions/url_parser.php
index 471a84e6..ca1b52d1 100644
--- a/functions/url_parser.php
+++ b/functions/url_parser.php
@@ -3,168 +3,199 @@
/**
* 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.
*
- * $Id$
+ * @version $Id$
+ * @package squirrelmail
*/
-/*****************************************************************/
-/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/
-/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/
-/*** + Base level indent should begin at left margin, as ***/
-/*** the first line of the function definition below. ***/
-/*** + All identation should consist of four space blocks ***/
-/*** + Tab characters are evil. ***/
-/*** + all comments should use "slash-star ... star-slash" ***/
-/*** style -- no pound characters, no slash-slash style ***/
-/*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/
-/*** ALWAYS USE { AND } CHARACTERS!!! ***/
-/*** + Please use ' instead of ", when possible. Note " ***/
-/*** should always be used in _( ) function calls. ***/
-/*** Thank you for your help making the SM code more readable. ***/
-/*****************************************************************/
-
+/**
+ * Undocumented - complain, then patch.
+ */
function replaceBlock (&$in, $replace, $start, $end) {
$begin = substr($in,0,$start);
$end = substr($in,$end,strlen($in)-$end);
$in = $begin.$replace.$end;
}
- // Having this defined in just one spot could help when changes need
- // to be made to the pattern
- // Make sure that the expression is evaluated case insensitively
- //
- // Here's pretty sophisticated IP matching:
- // $IPMatch = '(2[0-5][0-9]|1?[0-9]{1,2})';
- // $IPMatch = '\[?' . $IPMatch . '(\.' . $IPMatch . '){3}\]?';
- //
- // Here's enough:
- global $IP_RegExp_Match, $Host_RegExp_Match, $Email_RegExp_Match;
- $IP_RegExp_Match = '\\[?[0-9]{1,3}(\\.[0-9]{1,3}){3}\\]?';
- $Host_RegExp_Match = '(' . $IP_RegExp_Match .
- '|[0-9a-z]([-.]?[0-9a-z])*\\.[a-z][a-z]+)';
- $Email_RegExp_Match = '[0-9a-z]([-_.]?[0-9a-z])*(%' . $Host_RegExp_Match .
- ')?@' . $Host_RegExp_Match;
-
- function parseEmail (&$body) {
- global $color, $Email_RegExp_Match;
- $Size = strlen($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);
- }
- */
-
- $body = eregi_replace ($Email_RegExp_Match, "\\0", $body);
-
- // If there are any changes, it'll just get bigger.
- if ($Size != strlen($body))
- return 1;
- return 0;
- }
-
-
- // We don't want to re-initialize this stuff for every line. Save work
- // and just do it once here.
- global $url_parser_url_tokens;
- $url_parser_url_tokens = array(
- 'http://',
- 'https://',
- 'ftp://',
- 'telnet:', // Special case -- doesn't need the slashes
- 'gopher://',
- 'news://');
-
- global $url_parser_poss_ends;
- $url_parser_poss_ends = array(' ', "\n", "\r", '<', '>', ".\r", ".\n",
- '. ', ' ', ')', '(', '"', '<', '>', '.<',
- ']', '[', '{', '}', "\240", ', ', '. ', ",\n", ",\r");
-
-
- function parseUrl (&$body)
- {
- global $url_parser_poss_ends, $url_parser_url_tokens;;
- $start = 0;
- $target_pos = strlen($body);
-
- while ($start != $target_pos)
- {
+/* Having this defined in just one spot could help when changes need
+ * to be made to the pattern
+ * Make sure that the expression is evaluated case insensitively
+ *
+ * RFC2822 (and RFC822) defines the left side of an email address as (roughly):
+ * 1*atext *("." 1*atext)
+ * where atext is: a-zA-Z0-9!#$%&'*+-/=?^_`{|}~
+ *
+ * Here's pretty sophisticated IP matching:
+ * $IPMatch = '(2[0-5][0-9]|1?[0-9]{1,2})';
+ * $IPMatch = '\[?' . $IPMatch . '(\.' . $IPMatch . '){3}\]?';
+ */
+/* Here's enough: */
+global $IP_RegExp_Match, $Host_RegExp_Match, $Email_RegExp_Match;
+$IP_RegExp_Match = '\\[?[0-9]{1,3}(\\.[0-9]{1,3}){3}\\]?';
+$Host_RegExp_Match = '(' . $IP_RegExp_Match .
+ '|[0-9a-z]([-.]?[0-9a-z])*\\.[a-z][a-z]+)';
+$atext = '([a-z0-9!#$&%*+/=?^_`{|}~-]|&)';
+$dot_atom = $atext . '+(\.' . $atext . '+)*';
+$Email_RegExp_Match = $dot_atom . '(%' . $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;
+ $sbody = $body;
+ $addresses = array();
+
+ /* Find all the email addresses in the body */
+ while(eregi($Email_RegExp_Match, $sbody, $regs)) {
+ $addresses[$regs[0]] = strtr($regs[0], array('&' => '&'));
+ $start = strpos($sbody, $regs[0]) + strlen($regs[0]);
+ $sbody = substr($sbody, $start);
+ }
+ /* Replace each email address with a compose URL */
+ foreach ($addresses as $text => $email) {
+ $comp_uri = makeComposeLink('src/compose.php?send_to='.urlencode($email), $text);
+ $body = str_replace($text, $comp_uri, $body);
+ }
+ /* Return number of unique addresses found */
+ return count($addresses);
+}
+
+
+/* We don't want to re-initialize this stuff for every line. Save work
+ * and just do it once here.
+ */
+global $url_parser_url_tokens;
+$url_parser_url_tokens = array(
+ 'http://',
+ 'https://',
+ 'ftp://',
+ 'telnet:', // Special case -- doesn't need the slashes
+ 'mailto:', // Special case -- doesn't use the slashes
+ 'gopher://',
+ 'news://');
+
+global $url_parser_poss_ends;
+$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;
+ $blength = strlen($body);
+
+ while ($start < $blength) {
$target_token = '';
-
- // Find the first token to replace
- foreach ($url_parser_url_tokens as $the_token)
- {
- $pos = strpos(strtolower($body), $the_token, $start);
- if (is_int($pos) && $pos < $target_pos)
- {
- $target_pos = $pos;
- $target_token = $the_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;
+ $target_token = $the_token;
+ }
+ }
+
+ /* Look for email addresses between $start and $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;
}
-
- // Look for email addresses between $start and $target_pos
- $check_str = substr($body, $start, $target_pos);
-
- if (parseEmail($check_str))
- {
- replaceBlock($body, $check_str, $start, $target_pos);
- $target_pos = strlen($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 = $blength;
+ foreach ($url_parser_poss_ends as $val) {
+ $enda = strpos($body, $val, $target_pos);
+ if (is_int($enda) && $enda < $end) {
+ $end = $enda;
+ }
+ }
- // If there was a token to replace, replace it
- if ($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);
- 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 );
- $end--;
- }
-
- // Replace URL with HyperLinked Url, requires 1 char in link
- if ($url != '' && $url != $target_token)
- {
- $url_str = "$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);
- }
+ /* 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 );
+ $end--;
+ }
+
+ /* Replace URL with HyperLinked Url, requires 1 char in link */
+ if ($url != '' && $url != $target_token) {
+ $url_str = "$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);
+ }
}
-
- // Move forward
- $start = $target_pos;
- $target_pos = strlen($body);
- }
- }
-
-?>
+
+ /* Move forward */
+ $start = $target_pos;
+ $blength = strlen($body);
+ }
+}
+?>
\ No newline at end of file