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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "httpd.h"
#include "protocol.h"
#include "wildcard.h"
/* $ModDesc: Provides access control lists (passwording of resources, ip restrictions etc) to m_httpd.so dependent modules */
/* $ModDep: httpd.h */
class ACL : public Extensible
{
public:
std::string path;
std::string password;
std::string whitelist;
std::string blacklist;
ACL(const std::string &set_path, const std::string &set_password,
const std::string &set_whitelist, const std::string &set_blacklist)
: path(set_path), password(set_password), whitelist(set_whitelist),
blacklist(set_blacklist) { }
~ACL() { }
};
class ModuleHTTPAccessList : public Module
{
std::string stylesheet;
bool changed;
std::vector<ACL> acl_list;
public:
void ReadConfig()
{
acl_list.clear();
ConfigReader c(ServerInstance);
int n_items = c.Enumerate("httpacl");
for (int i = 0; i < n_items; ++i)
{
std::string path = c.ReadValue("httpacl", "path", i);
std::string types = c.ReadValue("httpacl", "types", i);
irc::commasepstream sep(types);
std::string type;
std::string password;
std::string whitelist;
std::string blacklist;
while (sep.GetToken(type))
{
if (type == "password")
{
password = c.ReadValue("httpacl", "password", i);
}
else if (type == "whitelist")
{
whitelist = c.ReadValue("httpacl", "whitelist", i);
}
else if (type == "blacklist")
{
blacklist = c.ReadValue("httpacl", "blacklist", i);
}
else
{
throw ModuleException("Invalid HTTP ACL type '" + type + "'");
}
}
acl_list.push_back(ACL(path, password, whitelist, blacklist));
}
}
ModuleHTTPAccessList(InspIRCd* Me) : Module(Me)
{
ReadConfig();
this->changed = true;
Implementation eventlist[] = { I_OnEvent, I_OnRequest };
ServerInstance->Modules->Attach(eventlist, this, 2);
}
void BlockAccess(HTTPRequest* http, Event* event)
{
std::stringstream data("Access to this resource is denied by an access control list. Please contact your IRC administrator.");
HTTPDocument response(http->sock, &data, 403);
response.headers.SetHeader("X-Powered-By", "m_httpd_acl.so");
Request req((char*)&response, (Module*)this, event->GetSource());
req.Send();
}
void OnEvent(Event* event)
{
std::stringstream data("");
if (event->GetEventID() == "httpd_url")
{
ServerInstance->Logs->Log("m_http_stats", DEBUG,"Handling httpd event");
HTTPRequest* http = (HTTPRequest*)event->GetData();
for (std::vector<ACL>::const_iterator this_acl = acl_list.begin(); this_acl != acl_list.end(); ++this_acl)
{
if (match(http->GetURI(), this_acl->path))
{
if (!this_acl->blacklist.empty())
{
/* Blacklist */
irc::commasepstream sep(this_acl->blacklist);
std::string entry;
while (sep.GetToken(entry))
{
if (match(http->GetIP(), entry))
{
BlockAccess(http, event);
return;
}
}
}
if (!this_acl->whitelist.empty())
{
/* Whitelist */
irc::commasepstream sep(this_acl->whitelist);
std::string entry;
bool allow_access = false;
while (sep.GetToken(entry))
{
if (match(http->GetIP(), entry))
allow_access = true;
}
if (!allow_access)
{
BlockAccess(http, event);
return;
}
}
if (!this_acl->password.empty())
{
/* Password auth, first look to see if we have a basic authentication header */
}
}
}
}
}
const char* OnRequest(Request* request)
{
return NULL;
}
virtual ~ModuleHTTPAccessList()
{
}
virtual Version GetVersion()
{
return Version(1, 2, 0, 0, VF_VENDOR, API_VERSION);
}
};
MODULE_INIT(ModuleHTTPAccessList)
|
