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#include <uuid/uuid.h>
#include <iostream>
#include <cassert>
#include <string>
#include <ext/algorithm>
using namespace std;
#include <kingate/exception.h>
#include <kingate/plaincgi.h>
#include <kingate/cgi_gateway.h>
#include <opkele/exception.h>
#include <opkele/util.h>
#include <opkele/uris.h>
#include <opkele/extension.h>
#include <opkele/association.h>
#include <opkele/debug.h>
#include <opkele/verify_op.h>
#include <opkele/sreg.h>
#include "sqlite.h"
#include "kingate_openid_message.h"
static const string get_self_url(const kingate::cgi_gateway& gw) {
bool s = gw.has_meta("SSL_PROTOCOL_VERSION");
string rv = s?"https://":"http://";
rv += gw.http_request_header("Host");
const string& port = gw.get_meta("SERVER_PORT");
if( port!=(s?"443":"80") ) {
rv += ':'; rv += port;
}
rv += gw.get_meta("REQUEST_URI");
string::size_type q = rv.find('?');
if(q!=string::npos)
rv.erase(q);
return rv;
}
class opdb_t : public sqlite3_t {
public:
opdb_t()
: sqlite3_t("/tmp/OP.db") {
assert(_D);
char **resp; int nr,nc; char *errm;
if(sqlite3_get_table(
_D, "SELECT a_op FROM assoc LIMIT 0",
&resp,&nr,&nc,&errm)!=SQLITE_OK) {
extern const char *__OP_db_bootstrap;
DOUT_("Bootstrapping DB");
if(sqlite3_exec(_D,__OP_db_bootstrap,NULL,NULL,&errm)!=SQLITE_OK)
throw opkele::exception(OPKELE_CP_ string("Failed to boostrap SQLite database: ")+errm);
}else
sqlite3_free_table(resp);
}
};
class example_op_t : public opkele::verify_OP {
public:
kingate::cgi_gateway& gw;
opdb_t db;
kingate::cookie htc;
example_op_t(kingate::cgi_gateway& g)
: gw(g) {
try {
htc = gw.cookies.get_cookie("htop_session");
sqlite3_mem_t<char*> S = sqlite3_mprintf(
"SELECT 1 FROM ht_sessions WHERE hts_id=%Q",
htc.get_value().c_str());
sqlite3_table_t T; int nr,nc;
db.get_table(S,T,&nr,&nc);
if(nr<1)
throw kingate::exception_notfound(CODEPOINT,"forcing cookie generation");
}catch(kingate::exception_notfound& kenf) {
uuid_t uuid; uuid_generate(uuid);
htc = kingate::cookie("htop_session",opkele::util::encode_base64(uuid,sizeof(uuid)));
sqlite3_mem_t<char*> S = sqlite3_mprintf(
"INSERT INTO ht_sessions (hts_id) VALUES (%Q)",
htc.get_value().c_str());
db.exec(S);
}
}
void set_authorized(bool a) {
sqlite3_mem_t<char*>
S = sqlite3_mprintf(
"UPDATE ht_sessions"
" SET authorized=%d"
" WHERE hts_id=%Q",
(int)a,htc.get_value().c_str());
db.exec(S);
}
bool get_authorized() {
sqlite3_mem_t<char*>
S = sqlite3_mprintf(
"SELECT authorized"
" FROM ht_sessions"
" WHERE hts_id=%Q",
htc.get_value().c_str());
sqlite3_table_t T; int nr,nc;
db.get_table(S,T,&nr,&nc);
assert(nr==1); assert(nc=1);
return opkele::util::string_to_long(T.get(1,0,nc));
}
ostream& cookie_header(ostream& o) const {
o << "Set-Cookie: " << htc.set_cookie_header() << "\n";
return o;
}
opkele::assoc_t alloc_assoc(const string& type,size_t klength,bool sl) {
uuid_t uuid; uuid_generate(uuid);
string a_handle = opkele::util::encode_base64(uuid,sizeof(uuid));
opkele::secret_t a_secret;
generate_n(
back_insert_iterator<opkele::secret_t>(a_secret),klength,
rand );
string ssecret; a_secret.to_base64(ssecret);
time_t now = time(0);
int expires_in = sl?3600*2:3600*24*7*2;
sqlite3_mem_t<char*>
S = sqlite3_mprintf(
"INSERT INTO assoc"
" (a_handle,a_type,a_ctime,a_etime,a_secret,a_stateless)"
" VALUES ("
" %Q,%Q,datetime('now'),"
" datetime('now','+%d seconds'),"
" %Q,%d );",
a_handle.c_str(), type.c_str(),
expires_in,
ssecret.c_str(), sl );
db.exec(S);
return opkele::assoc_t(new opkele::association(
"",
a_handle, type, a_secret,
now+expires_in, sl ));
}
opkele::assoc_t retrieve_assoc(const string& h) {
sqlite3_mem_t<char*>
S = sqlite3_mprintf(
"SELECT"
" a_handle,a_type,a_secret,a_stateless,"
" strftime('%%s',a_etime) AS a_etime,"
" a_itime"
" FROM assoc"
" WHERE a_handle=%Q AND a_itime IS NULL"
" AND datetime('now') < a_etime"
" LIMIT 1",
h.c_str() );
sqlite3_table_t T;
int nr,nc;
db.get_table(S,T,&nr,&nc);
if(nr<1)
throw opkele::failed_lookup(OPKELE_CP_
"couldn't retrieve valid unexpired assoc");
assert(nr==1); assert(nc==6);
opkele::secret_t secret; opkele::util::decode_base64(T.get(1,2,nc),secret);
return opkele::assoc_t(new opkele::association(
"", h, T.get(1,1,nc), secret,
strtol(T.get(1,4,nc),0,0),
strtol(T.get(1,3,nc),0,0) ));
}
string& alloc_nonce(string& nonce) {
uuid_t uuid; uuid_generate(uuid);
nonce += opkele::util::encode_base64(uuid,sizeof(uuid));
sqlite3_mem_t<char*>
S = sqlite3_mprintf(
"INSERT INTO nonces"
" (n_once) VALUES (%Q)",
nonce.c_str() );
db.exec(S);
return nonce;
}
bool check_nonce(const string& nonce) {
sqlite3_mem_t<char*>
S = sqlite3_mprintf(
"SELECT 1"
" FROM nonces"
" WHERE n_once=%Q AND n_itime IS NULL",
nonce.c_str());
sqlite3_table_t T;
int nr,nc;
db.get_table(S,T,&nr,&nc);
return nr>=1;
}
void invalidate_nonce(const string& nonce) {
sqlite3_mem_t<char*>
S = sqlite3_mprintf(
"UPDATE nonces"
" SET n_itime=datetime('now')"
" WHERE n_once=%Q",
nonce.c_str());
db.exec(S);
}
const string get_op_endpoint() const {
return get_self_url(gw);
}
};
int main(int,char **) {
try {
kingate::plaincgi_interface ci;
kingate::cgi_gateway gw(ci);
string op;
try { op = gw.get_param("op"); }catch(kingate::exception_notfound&) { }
string message;
if(op=="set_password") {
example_op_t OP(gw);
string password = gw.get_param("password");
sqlite3_mem_t<char*>
Sget = sqlite3_mprintf("SELECT s_password FROM setup LIMIT 1");
sqlite3_table_t T; int nr,nc;
OP.db.get_table(Sget,T,&nr,&nc);
if(nr>=1)
throw opkele::exception(OPKELE_CP_ "Password already set");
sqlite3_mem_t<char*>
Sset = sqlite3_mprintf(
"INSERT INTO setup (s_password) VALUES (%Q)",
password.c_str());
OP.db.exec(Sset);
op.clear();
message = "password set";
}else if(op=="login") {
example_op_t OP(gw);
string password = gw.get_param("password");
sqlite3_mem_t<char*>
Sget = sqlite3_mprintf("SELECT s_password FROM setup LIMIT 1");
sqlite3_table_t T; int nr,nc;
OP.db.get_table(Sget,T,&nr,&nc);
if(nr<1)
throw opkele::exception(OPKELE_CP_ "no password set");
if(password!=T.get(1,0,nc))
throw opkele::exception(OPKELE_CP_ "wrong password");
OP.set_authorized(true);
op.clear();
message = "logged in";
OP.cookie_header(cout);
}else if(op=="logout") {
example_op_t OP(gw);
OP.set_authorized(false);
op.clear();
message = "logged out";
}
string omode;
try { omode = gw.get_param("openid.mode"); }catch(kingate::exception_notfound&) { }
if(op=="xrds") {
cout <<
"Content-type: application/xrds+xml\n\n"
"<?xml version='1.0' encoding='utf-8'?>"
"<xrds:XRDS xmlns:xrds='xri://$xrds' xmlns='xri://$xrd*($v*2.0)'>"
"<XRD>"
"<Service>"
"<Type>" STURI_OPENID20 "</Type>"
"<URI>" << get_self_url(gw) << "</URI>"
"</Service>";
if(gw.has_param("idsel")){
cout <<
"<Service>"
"<Type>" STURI_OPENID20_OP "</Type>"
"<URI>" << get_self_url(gw) << "</URI>";
}
cout <<
"</XRD>"
"</xrds:XRDS>";
}else if(op=="id_res" || op=="cancel") {
kingate_openid_message_t inm(gw);
example_op_t OP(gw);
if(gw.get_param("hts_id")!=OP.htc.get_value())
throw opkele::exception(OPKELE_CP_ "toying around, huh?");
opkele::sreg_t sreg;
OP.checkid_(inm,sreg);
OP.cookie_header(cout);
opkele::openid_message_t om;
if(op=="id_res") {
if(!OP.get_authorized())
throw opkele::exception(OPKELE_CP_ "not logged in");
if(OP.is_id_select()) {
OP.select_identity( get_self_url(gw), get_self_url(gw) );
}
sreg.set_field(opkele::sreg_t::field_nickname,"anonymous");
sreg.set_field(opkele::sreg_t::field_fullname,"Ann O'Nymus");
sreg.set_field(opkele::sreg_t::field_gender,"F");
sreg.setup_response();
cout <<
"Status: 302 Going back to RP with id_res\n"
"Location: " << OP.id_res(om,sreg).append_query(OP.get_return_to())
<< "\n\n";
}else{
cout <<
"Status: 302 Going back to RP with cancel\n"
"Location: " << OP.cancel(om).append_query(OP.get_return_to())
<< "\n\n";
}
om.to_keyvalues(clog);
}else if(omode=="associate") {
kingate_openid_message_t inm(gw);
opkele::openid_message_t oum;
example_op_t OP(gw);
OP.associate(oum,inm);
cout << "Content-type: text/plain\n\n";
oum.to_keyvalues(cout);
}else if(omode=="checkid_setup") {
kingate_openid_message_t inm(gw);
example_op_t OP(gw);
OP.checkid_(inm,0);
OP.cookie_header(cout) <<
"Content-type: text/html\n"
"\n"
"<html>"
"<head>"
"<title>test OP: confirm authentication</title>"
"</head>"
"<body>"
"realm: " << OP.get_realm() << "<br/>"
"return_to: " << OP.get_return_to() << "<br/>"
"claimed_id: " << OP.get_claimed_id() << "<br/>"
"identity: " << OP.get_identity() << "<br/>";
if(OP.is_id_select()) {
OP.select_identity( get_self_url(gw), get_self_url(gw) );
cout <<
"selected claimed_id: " << OP.get_claimed_id() << "<br/>"
"selected identity: " << OP.get_identity() << "<br/>";
}
cout <<
"<form method='post'>";
inm.to_htmlhiddens(cout);
cout <<
"<input type='hidden' name='hts_id'"
" value='" << opkele::util::attr_escape(OP.htc.get_value()) << "'/>"
"<input type='submit' name='op' value='id_res'/>"
"<input type='submit' name='op' value='cancel'/>"
"</form>"
"</body>"
"</html>";
}else if(omode=="check_authentication") {
kingate_openid_message_t inm(gw);
example_op_t OP(gw);
opkele::openid_message_t oum;
OP.check_authentication(oum,inm);
cout << "Content-type: text/plain\n\n";
oum.to_keyvalues(cout);
oum.to_keyvalues(clog);
}else{
example_op_t OP(gw);
string idsel;
if(gw.has_param("idsel"))
idsel = "&idsel=idsel";
OP.cookie_header(cout) <<
"Content-type: text/html\n"
"X-XRDS-Location: " << get_self_url(gw) << "?op=xrds" << idsel << "\n"
"\n"
"<html>"
"<head>"
"<title>test OP</title>"
"<link rel='openid.server' href='" << get_self_url(gw) << "'/>"
"</head>"
"<body>"
"test openid 2.0 endpoint"
"<br/>"
"<a href='" << get_self_url(gw) << "?op=xrds" << idsel << "'>XRDS document</a>"
"<br/>"
"<h1>" << message << "</h1>";
sqlite3_mem_t<char*>
S = sqlite3_mprintf("SELECT s_password FROM setup LIMIT 1");
sqlite3_table_t T; int nr,nc;
OP.db.get_table(S,T,&nr,&nc);
if(nr<1) {
cout <<
"<form method='post'>"
"set password "
"<input type='hidden' name='op' value='set_password'/>"
"<input type='password' name='password' value=''/>"
"<input type='submit' name='submit' value='submit'/>"
"</form>";
}else if(OP.get_authorized()) {
cout <<
"<br/>"
"<a href='" << get_self_url(gw) << "?op=logout'>logout</a>";
}else{
cout <<
"<form method='post'>"
"login "
"<input type='hidden' name='op' value='login'/>"
"<input type='password' name='password' value=''/>"
"<input type='submit' name='submit' value='submit'/>"
"</form>";
}
cout << "</body>";
}
#ifdef OPKELE_HAVE_KONFORKA
}catch(konforka::exception& e) {
#else
}catch(std::exception& e){
#endif
DOUT_("Oops: " << e.what());
cout << "Content-Type: text/plain\n\n"
"Exception:\n"
" what: " << e.what() << endl;
#ifdef OPKELE_HAVE_KONFORKA
cout << " where: " << e.where() << endl;
if(!e._seen.empty()) {
cout << " seen:" << endl;
for(list<konforka::code_point>::const_iterator
i=e._seen.begin();i!=e._seen.end();++i) {
cout << " " << i->c_str() << endl;
}
}
#endif
}
}
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