/**
* Extract value of tags from
* query string and turn into array
* runs value of Request through urldecode because
* unicode tags would be percent-encoded in the url
*
* @param string $unasweredSortSection flag indicated that request is for
* unanswered tagged items not just tagged items.
* If a string is passed it's a value of the COND_TAGGED in the URI_PARTS section in !config.ini
* This would mean that
* structure of the uri is in the form of {_UNANSWERED_}/{_COND_TAGGED_}/all+tags+here
*
* @return array of tags passed in query string
*/
protected function getTags($unasweredSortSection = null)
{
if (empty($this->aTags)) {
$cname = $this->Router->getCalledControllerName();
if ($unasweredSortSection) {
$cname .= '/' . $unasweredSortSection;
}
$cname = \preg_quote($cname, '/');
/**
* And now a workaround
* for the genocidal RewriteRule bug
* that obliterates the urlencoded chars
* during the rewrite
* so instead we must work directly
* with $_SERVER['REQUEST_URI']
* $_SERVER['REQUEST_URI'] is consistently
* the same on Apache and on Lighttpd when
* php is run as fastcgi
* The rewrite on Lighttpd does not have
* this genocidal bug, but for consistency
* we still working with $_SERVER['REQUEST_URI']
* regardless of the server
*/
if (!empty($_SERVER) && !empty($_SERVER['REQUEST_URI'])) {
/**
* Must use regex because REQUEST_URI
* may contain also a pageID after the last /
* so must extract part from
* between /tagged/ and next /
*
* $r is something like this: /tagged/tag%2B%2B/
*/
$r = $_SERVER['REQUEST_URI'];
$m = \preg_match('/\\/' . $cname . '\\/([^\\/]+)([\\/]{0,1})/i', $r, $matches);
d('matches: ' . \json_encode($matches));
if ($matches && !empty($matches[1])) {
$tags = $matches[1];
d('tags: ' . $tags);
$this->tags = \urldecode($tags);
}
} else {
/**
* That's hopefully is OK
* because Apache always has REQUEST_URI
* and if it's not available here
* then hopefully this is not an Apache server
* and it's possible the rewrite worked without this bug
*/
d('no REQUEST_URI available');
$tags = $this->Request['tags'];
$this->tags = \urldecode($tags);
}
$this->rawTags = $this->tags;
/**
* Important step to prevent
* script or html injection in url GET string
* Cannot use htmlspecialchars because we don't want to
* also encode the &
*
*/
$this->tags = \str_replace(array('<', '>'), array('<', '>'), $this->tags);
$this->title = $this->tags;
if (empty($this->tags)) {
return array();
}
/**
* $this->tags are now urldecoded
* If this does not work well them try
* to use $tags instead
*/
$Utf8Tags = Utf8String::stringFactory($this->tags);
/**
* @todo the this->tags now have htmlspecialchars
* which may not be what we want in this->aTags
* We probably want this->aTags to be raw tags just like
* they were submitted in request.
*
*/
$this->aTags = TagsTokenizer::factory($Utf8Tags)->getArrayCopy();
d('aTags: ' . \json_encode($this->aTags));
}
return $this->aTags;
}
protected function main()
{
$this->aSubmitted = TagsTokenizer::factory($this->Request->getUTF8('tags'))->getArrayCopy();
d('$this->aSubmitted: ' . print_r($this->aSubmitted, 1));
$this->validateSubmitted()->getQuestion()->checkPermission()->checkForChanges()->removeOldTags()->updateQuestion()->addNewTags()->postEvent()->returnResult();
}
