<?php
/**
* check_me.mod
* -------------
* Squirrelspell module.
*
* Copyright (c) 1999-2011 The SquirrelMail Project Team
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* This module is the main workhorse of SquirrelSpell. It submits
* the message to the spell-checker, parses the output, and loads
* the interface window.
*
* @author Konstantin Riabitsev <icon@duke.edu>
* @version $Id: check_me.mod 14119 2011-07-12 04:36:01Z pdontthink $
* @package plugins
* @subpackage squirrelspell
*/
/**
* This function makes a javascript-powered link. Not sure why
* Philippe decided to move it outside the main code, but hey. ;)
* I bet for the i18n reasons.
*
* @param $jscode Javascript code to include in the link.
* @param $title A little pop-up title to provide for the links.
* @param $link The content of the link.
* @return void, since this just draws the content.
*/
function SpellLink($jscode, $title, $link) {
echo "<td><a href=\"javascript:$jscode\" "
. "title=\"$title\">$link</a>"
. '</td>';
}
/**
* Declaring globals for users with E_ALL set.
*/
global $SQSPELL_APP, $attachment_dir, $SQSPELL_EREG, $color;
$sqspell_text = $_POST['sqspell_text'];
$sqspell_use_app = $_POST['sqspell_use_app'];
/**
* Now we explode the lines for three reasons:
* 1) So we can ignore lines starting with ">" (reply's)
* 2) So we can stop processing when we get to "--" on a single line,
* which means that the signature is starting
* 3) So we can add an extra space at the beginning of each line. This way
* ispell/aspell don't treat these as command characters.
*/
$sqspell_raw_lines = explode("\n", $sqspell_text);
for ($i=0; $i<sizeof($sqspell_raw_lines); $i++){
/**
* See if the signature is starting, which will be a "--" on the
* single line (after trimming).
*/
if (trim($sqspell_raw_lines[$i]) == '--'){
break;
}
/**
* See if this is quoted text. Don't check the quoted text, since
* it's no business of ours how badly our correspondents misspell
* stuff.
*/
if(substr($sqspell_raw_lines[$i], 0, 1) != '>'){
$sqspell_new_lines[$i] = ' ' . $sqspell_raw_lines[$i];
} else {
$sqspell_new_lines[$i] = ' ';
}
}
/**
* $sqspell_new_lines array now contains the lines to submit to the
* spellchecker.
*/
$sqspell_new_text=implode("\n", $sqspell_new_lines);
/**
* Define the command used to spellcheck the document.
*/
$sqspell_command=$SQSPELL_APP[$sqspell_use_app];
/**
* If you have php >= 4.3.0, we can use proc_open and safe mode
* and not mess w/ temp files. Otherwise we will do it the old
* way, (minus the uneeded call to cat that messes up Wintel
* boxen.)
* Thanks Ray Ferguson for providing this patch.
*/
if( check_php_version ( 4, 3 ) ) {
$descriptorspec = array(
0 => array('pipe', 'r'), // stdin is a pipe that the child will read from
1 => array('pipe', 'w'), // stdout is a pipe that the child will write to
2 => array('pipe', 'w'), // stderr is a pipe that the child will write to
);
$spell_proc = @proc_open($sqspell_command, $descriptorspec, $pipes);
if ( ! is_resource ( $spell_proc ) ) {
error_box ( sprintf(_("Could not run the spellchecker command (%s)."),
htmlspecialchars($sqspell_command) ) , $color );
// close html tags and abort script.
echo "</body></html>";
exit();
}
if ( ! @fwrite($pipes[0], $sqspell_new_text) ) {
error_box ( _("Error while writing to pipe.") , $color );
// close all three pipes here.
for($i=0; $i<=2; $i++) {
// disable all fclose error messages
@fclose($pipes[$i]);
}
// close html tags and abort script.
echo "</body></html>";
exit();
}
fclose($pipes[0]);
$sqspell_output = array();
for($i=1; $i<=2; $i++) {
while(!feof($pipes[$i])) {
array_push($sqspell_output, rtrim(fgetss($pipes[$i],999),"\r\n"));
}
fclose($pipes[$i]);
}
$sqspell_exitcode=proc_close($spell_proc);
} else {
// add slash to attachment directory, if it does not end with slash.
if (substr($attachment_dir, -1) != '/')
$attachment_dir = $attachment_dir . '/';
// find unused file in attachment directory
do {
$floc = $attachment_dir . md5($sqspell_new_text . microtime());
} while (file_exists($floc));
$fp = @fopen($floc, 'w');
if ( ! is_resource ($fp) ) {
error_box ( sprintf(_("Could not open temporary file '%s'."),
htmlspecialchars($floc) ) , $color );
// failed to open temp file. abort script.
echo "</body></html>";
exit();
}
if ( ! @fwrite($fp, $sqspell_new_text) ) {
error_box ( sprintf(_("Error while writing to temporary file '%s'."),
htmlspecialchars($floc) ) , $color );
// close file descriptor
fclose($fp);
// failed writing to temp file. abort script.
echo "</body></html>";
exit();
}
fclose($fp);
exec("$sqspell_command < $floc 2>&1", $sqspell_output, $sqspell_exitcode);
unlink($floc);
}
/**
* Check if the execution was successful. Bail out if it wasn't.
*/
if ($sqspell_exitcode){
$msg= "<div align='center'>"
. sprintf(_("I tried to execute '%s', but it returned:"),
$sqspell_command) . "<pre>"
. htmlspecialchars(join("\n", $sqspell_output)) . '</pre>'
. '<form onsubmit="return false">'
. '<input type="submit" value=" ' . _("Close")
. ' " onclick="self.close()" /></form></div>';
sqspell_makeWindow(null, _("SquirrelSpell is misconfigured."), null, $msg);
exit;
}
/**
* Load the user dictionary.
*/
$words=sqspell_getLang(sqspell_getWords(), $sqspell_use_app);
/**
* Define some variables to be used during the processing.
*/
$current_line=0;
$missed_words=Array();
$misses = Array();
$locations = Array();
$errors=0;
/**
* Now we process the output of sqspell_command (ispell or aspell in
* ispell compatibility mode, whichever). I'm going to be scarce on
* comments here, since you can just look at the ispell/aspell output
* and figure out what's going on. ;) The best way to describe this is
* "Dark Magic".
*/
for ($i=0; $i<sizeof($sqspell_output); $i++){
switch (substr($sqspell_output[$i], 0, 1)){
/**
* Line is empty.
* Ispell adds empty lines when an end of line is reached
*/
case '':
$current_line++;
break;
/**
* Line begins with "&".
* This means there's a misspelled word and a few suggestions.
*/
case '&':
list($left, $right) = explode(": ", $sqspell_output[$i]);
$tmparray = explode(" ", $left);
$sqspell_word=$tmparray[1];
/**
* Check if the word is in user dictionary.
*/
if (!$SQSPELL_EREG("\n$sqspell_word\n", $words)){
$sqspell_symb=intval($tmparray[3])-1;
if (!isset($misses[$sqspell_word])) {
$misses[$sqspell_word] = $right;
$missed_words[$errors] = $sqspell_word;
$errors++;
}
if (isset($locations[$sqspell_word])){
$locations[$sqspell_word] .= ', ';
} else {
$locations[$sqspell_word] = '';
}
$locations[$sqspell_word] .= "$current_line:$sqspell_symb";
}
break;
/**
* Line begins with "#".
* This means a misspelled word and no suggestions.
*/
case '#':
$tmparray = explode(" ", $sqspell_output[$i]);
$sqspell_word=$tmparray[1];
/**
*
* Check if the word is in user dictionary.
*/
if (!$SQSPELL_EREG("\n$sqspell_word\n", $words)){
$sqspell_symb=intval($tmparray[2])-1;
if (!isset($misses[$sqspell_word])) {
$misses[$sqspell_word] = '_NONE';
$missed_words[$errors] = $sqspell_word;
$errors++;
}
if (isset($locations[$sqspell_word])) {
$locations[$sqspell_word] .= ', ';
} else {
$locations[$sqspell_word] = '';
}
$locations[$sqspell_word] .= "$current_line:$sqspell_symb";
}
break;
}
}
if ($errors){
/**
* Load the spelling errors into JavaScript arrays
* (More dark magic!)
*/
$extrajs="<script type=\"text/javascript\">\n"
. "<!--\n";
$sqspell_lines = explode("\n", $sqspell_text);
/**
* The javascript array sqspell_lines[] contains all lines of
* the message we've been checking.
*/
$extrajs.= "var sqspell_lines=new Array();\n";
for ($i=0; $i<sizeof($sqspell_lines); $i++){
// use addcslashes for compatibility with magic_quotes_sybase
$extrajs.= "sqspell_lines[$i] = \""
. chop(addcslashes($sqspell_lines[$i], ">'\"\\\x0")) . "\";\n";
}
$extrajs.= "\n\n";
/**
* The javascript array misses[] contais all misspelled words.
*/
$extrajs.= "var misses=new Array();\n";
for ($i=0; $i<sizeof($missed_words); $i++){
$extrajs.= "misses[$i] = \"" . $missed_words[$i] . "\";\n";
}
$extrajs.= "\n\n";
/**
* Suggestions are (guess what!) suggestions for misspellings
*/
$extrajs.= "var suggestions = new Array();\n";
$i=0;
while (list($word, $value) = each($misses)){
if ($value=='_NONE') $value='';
$extrajs.= "suggestions[$i] = \"$value\";\n";
$i++;
}
$extrajs.= "\n\n";
/**
* Locations are where those misspellings are located, line:symbol
*/
$extrajs.= "var locations= new Array();\n";
$i=0;
while (list($word, $value) = each($locations)){
$extrajs.= "locations[$i] = \"$value\";\n";
$i++;
}
/**
* Add some strings so they can be i18n'd.
*/
$extrajs.= "var ui_completed = \"" . _("Spellcheck completed. Commit changes?")
. "\";\n";
$extrajs.= "var ui_nochange = \"" . _("No changes were made.") . "\";\n";
$extrajs.= "var ui_wait = \""
. _("Now saving your personal dictionary... Please wait.")
. "\";\n";
/**
* Did I mention that I hate dots on the end of concatenated lines?
* Dots at the beginning make so much more sense!
*/
$extrajs.= "//-->\n"
. "</script>\n"
. "<script src=\"js/check_me.js\" type=\"text/javascript\"></script>\n";
displayHtmlHeader(_("SquirrelSpell Results"),$extrajs);
echo "<body bgcolor=\"$color[4]\" text=\"$color[8]\" link=\"$color[7]\" "
. "alink=\"$color[7]\" vlink=\"$color[7]\" "
. "onload=\"populateSqspellForm()\">\n";
?>
<table width="100%" border="0" cellpadding="2">
<tr>
<td bgcolor="<?php echo $color[9] ?>" align="center">
<b>
<?php printf( _("Found %s errors"), $errors ) ?>
</b>
</td>
</tr>
<tr>
<td>
<hr />
</td>
</tr>
<tr>
<td>
<form method="post">
<input type="hidden" name="MOD" value="forget_me_not" />
<input type="hidden" name="words" value="" />
<input type="hidden" name="sqspell_use_app"
value="<?php echo $sqspell_use_app ?>" />
<table border="0" width="100%">
<tr align="center">
<td colspan="4">
<?php
$sptag = "<span style=\"background-color: $color[9]\">";
echo $sptag . _("Line with an error:") . '</span>';
?>
<br />
<textarea name="sqspell_line_area" cols="50" rows="3"
wrap="hard" onfocus="this.blur()"></textarea>
</td>
</tr>
<tr valign="middle">
<td align="right" width="25%">
<?php
echo $sptag . _("Error:") . '</span>';
?>
</td>
<td align="left" width="25%">
<input name="sqspell_error" size="10" value=""
onfocus="this.blur()" />
</td>
<td align="right" width="25%">
<?php
echo $sptag . _("Suggestions:") . '</span>';
?>
</td>
<td align="left" width="25%">
<select name="sqspell_suggestion"
onchange="if (this.options[this.selectedIndex].value != '_NONE') document.forms[0].sqspell_oruse.value=this.options[this.selectedIndex].value">
<?php
echo '<option>' . _("Suggestions") . '</option>';
?>
</select>
</td>
</tr>
<tr>
<td align="right">
<?php
echo $sptag . _("Change to:") . '</span>';
?>
</td>
<td align="left">
<input name="sqspell_oruse" size="15" value=""
onfocus="if(!this.value) this.value=document.forms[0].sqspell_error.value" />
</td>
<td align="right">
<?php
echo $sptag . _("Occurs times:") . '</span>';
?>
</td>
<td align="left">
<input name="sqspell_likethis" size=3 value="" onfocus="this.blur()" />
</td>
</tr>
<!-- hello? What is this? </td></tr> -->
<tr>
<td colspan="4"><hr /></td>
</tr>
<tr>
<td colspan="4">
<table border="0" cellpadding="0" cellspacing="3" width="100%">
<tr align="center" bgcolor="<?php echo $color[9] ?>">
<?php
SpellLink('sqspellChange()',
_("Change this word"),
_("Change"));
SpellLink('sqspellChangeAll()',
_("Change ALL occurances of this word"),
_("Change All"));
SpellLink('sqspellIgnore()',
_("Ignore this word"),
_("Ignore"));
SpellLink('sqspellIgnoreAll()',
_("Ignore ALL occurances this word"),
_("Ignore All"));
SpellLink('sqspellRemember()',
_("Add this word to your personal dictionary"),
_("Add to Dic"));
?>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="4"><hr /></td>
</tr>
<tr>
<td colspan="4" align="center" bgcolor="<?php echo $color[9] ?>">
<?php
echo '<input type="button" value=" '
. _("Close and Commit")
. ' " onclick="if (confirm(\''
. _("The spellcheck is not finished. Really close and commit changes?")
. '\')) sqspellCommitChanges()" />'
. ' <input type="button" value=" '
. _("Close and Cancel")
. ' " onclick="if (confirm(\''
. _("The spellcheck is not finished. Really close and discard changes?")
. '\')) self.close()" />';
?>
</td>
</tr>
</table>
</form>
</td>
</tr>
</table>
</body></html>
<?php
} else {
/**
* AREN'T YOU SUCH A KNOW-IT-ALL!
*/
$msg='<form onsubmit="return false"><div align="center">' .
'<input type="submit" value=" ' . _("Close") .
' " onclick="self.close()" /></div></form>';
sqspell_makeWindow(null, _("No errors found"), null, $msg);
}
/**
* For Emacs weenies:
* Local variables:
* mode: php
* End:
* vim: syntax=php
*/
?>
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