/**
* Precondition: m_rewrittenURL is set
* Postcondition: Output is true and m_path and m_absolutePath are set OR
* output is false and no file was found
*/
bool RequestURI::resolveURL(const VirtualHost *vhost,
const string &pathTranslation,
const string &sourceRoot) {
m_resolvedURL = m_rewrittenURL;
while (!virtualFileExists(vhost, sourceRoot, pathTranslation,
m_resolvedURL)) {
int pos = m_resolvedURL.rfind('/');
if (pos <= 0) {
// when none of the <subpath> exists, we give up, and try default doc
m_resolvedURL = m_rewrittenURL;
if (!m_resolvedURL.empty() &&
m_resolvedURL.charAt(m_resolvedURL.length() - 1) != '/') {
m_resolvedURL += "/";
}
m_resolvedURL += String(RuntimeOption::DefaultDocument);
m_pathInfo.reset();
if (virtualFileExists(vhost, sourceRoot, pathTranslation,
m_resolvedURL)) {
m_defaultDoc = true;
PrependSlash(m_resolvedURL);
return true;
}
return false;
}
m_resolvedURL = m_rewrittenURL.substr(0, pos);
m_pathInfo = m_rewrittenURL.substr(pos);
}
PrependSlash(m_resolvedURL);
return true;
}
/**
* Precondition: m_originalURL and m_queryString are set
* Postcondition: Output is false and we are redirecting OR
* m_rewrittenURL is set and m_queryString is updated if needed
*/
bool RequestURI::rewriteURL(const VirtualHost *vhost, Transport *transport,
const string &pathTranslation,
const string &sourceRoot) {
bool qsa = false;
int redirect = 0;
string host = transport->getHeader("host");
m_rewrittenURL = m_originalURL;
if (vhost->rewriteURL(host, m_rewrittenURL, qsa, redirect)) {
m_rewritten = true;
if (qsa && !m_queryString.empty()) {
m_rewrittenURL += (m_rewrittenURL.find('?') < 0) ? "?" : "&";
m_rewrittenURL += m_queryString;
}
if (redirect) {
if (m_rewrittenURL.substr(0, 7) != s_http &&
m_rewrittenURL.substr(0, 8) != s_https) {
PrependSlash(m_rewrittenURL);
}
transport->redirect(m_rewrittenURL.c_str(), redirect, "rewriteURL");
return false;
}
splitURL(m_rewrittenURL, m_rewrittenURL, m_queryString);
}
m_rewrittenURL = String(
Util::canonicalize(m_rewrittenURL.c_str(), m_rewrittenURL.size()),
AttachString);
if (!m_rewritten && m_rewrittenURL.charAt(0) == '/') {
// A un-rewritten URL is always relative, so remove prepending /
m_rewrittenURL = m_rewrittenURL.substr(1);
}
// If the URL refers to a folder but does not end
// with a slash, then we need to redictect
String url = m_rewrittenURL;
if (!url.empty() &&
url.charAt(url.length() - 1) != '/') {
if (virtualFolderExists(vhost, sourceRoot, pathTranslation, url)) {
url += "/";
m_rewritten = true;
String queryStr;
m_rewrittenURL = m_originalURL;
m_rewrittenURL += "/";
if (!m_queryString.empty()) {
m_rewrittenURL += "?";
m_rewrittenURL += m_queryString;
}
if (m_rewrittenURL.substr(0, 7) != s_http &&
m_rewrittenURL.substr(0, 8) != s_https) {
PrependSlash(m_rewrittenURL);
}
transport->redirect(m_rewrittenURL.c_str(), 301, "rewriteURL");
return false;
}
}
return true;
}
bool RequestURI::process(const VirtualHost *vhost, Transport *transport,
const string &sourceRoot,
const string &pathTranslation, const char *url) {
splitURL(url, m_originalURL, m_queryString);
m_originalURL = StringUtil::UrlDecode(m_originalURL, false);
// Fast path for files that exist
String canon = Util::canonicalize(string(m_originalURL.c_str(),
m_originalURL.size()));
String relUrl(canon.charAt(0) == '/' ? canon.substr(1) : canon);
if (virtualFileExists(vhost, sourceRoot, pathTranslation, relUrl)) {
m_rewrittenURL = relUrl;
m_resolvedURL = relUrl;
PrependSlash(m_resolvedURL);
return true;
}
if (!rewriteURL(vhost, transport, pathTranslation, sourceRoot)) {
// Redirection
m_done = true;
return true;
}
if (!resolveURL(vhost, pathTranslation, sourceRoot)) {
// Can't find
return false;
}
return true;
}
/**
* Precondition: m_originalURL and m_queryString are set
* Postcondition: Output is false and we are redirecting OR
* m_rewrittenURL is set and m_queryString is updated if needed
*/
bool RequestURI::rewriteURL(const VirtualHost *vhost, Transport *transport,
const std::string &pathTranslation,
const std::string &sourceRoot) {
bool qsa = false;
int redirect = 0;
std::string host = transport->getHeader("host");
m_rewrittenURL = m_originalURL;
if (vhost->rewriteURL(host, m_rewrittenURL, qsa, redirect)) {
m_rewritten = true;
if (qsa && !m_queryString.empty()) {
m_rewrittenURL += (m_rewrittenURL.find('?') < 0) ? "?" : "&";
m_rewrittenURL += m_queryString;
}
if (redirect) {
if (m_rewrittenURL.substr(0, 7) != s_http &&
m_rewrittenURL.substr(0, 8) != s_https) {
PrependSlash(m_rewrittenURL);
}
if (redirect < 0) {
std::string error;
StringBuffer response;
int code = 0;
HttpProtocol::ProxyRequest(transport, true,
m_rewrittenURL.toCppString(),
code, error,
response);
if (!code) {
transport->sendString(error, 500, false, false, "proxyRequest");
} else {
const char* respData = response.data();
if (!respData) respData = "";
transport->sendRaw(const_cast<char*>(respData),
response.size(), code);
}
transport->onSendEnd();
} else {
transport->redirect(m_rewrittenURL.c_str(), redirect);
}
return false;
}
splitURL(m_rewrittenURL, m_rewrittenURL, m_queryString);
}
m_rewrittenURL = FileUtil::canonicalize(m_rewrittenURL);
if (!m_rewritten && m_rewrittenURL.charAt(0) == '/') {
// A un-rewritten URL is always relative, so remove prepending /
m_rewrittenURL = m_rewrittenURL.substr(1);
}
// If the URL refers to a folder but does not end
// with a slash, then we need to redictect
String url = m_rewrittenURL;
if (!url.empty() &&
url.charAt(url.length() - 1) != '/') {
if (virtualFolderExists(vhost, sourceRoot, pathTranslation, url)) {
if (m_originalURL.find("..") != String::npos) {
transport->sendString(getDefault404(), 404);
transport->onSendEnd();
return false;
}
url += "/";
m_rewritten = true;
String queryStr;
m_rewrittenURL = m_originalURL;
m_rewrittenURL += "/";
if (!m_queryString.empty()) {
m_rewrittenURL += "?";
m_rewrittenURL += m_queryString;
}
if (m_rewrittenURL.substr(0, 7) != s_http &&
m_rewrittenURL.substr(0, 8) != s_https) {
PrependSlash(m_rewrittenURL);
}
transport->redirect(m_rewrittenURL.c_str(), 301);
return false;
}
}
return true;
}
