added base64 coding/decoding libary

showing captcha in login page (not verifying yet)

1 files changed, 33 insertions, 1 deletions

diff --git a/src/user.cpp b/src/user.cpp
index 8f18706..d94cd6f 100644
--- a/src/user.cpp
+++ b/src/user.cpp
@@ -7,6 +7,8 @@
 #include <cppdb/frontend.h>
 #include <cppcms/session_interface.h>
 #include <booster/posix_time.h>
+#include <b64/encode.h>
+#include <sstream>
 
 namespace apps {
 
@@ -81,10 +83,40 @@ bool user::check_login( std::string user, std::string password )
 	return true;
 }
 
+#define GIFSIZE 17646
+extern "C" {
+	const int gifsize = GIFSIZE;
+	void captcha( unsigned char im[70*200], unsigned char l[6]);
+	void makegif(unsigned char im[70*200], unsigned char gif[gifsize]);
+}
+
 void user::ini( content::user &c )
 {
 	master::ini( c );
-	c.captcha = ">> CAPTCHA <<";
+	unsigned char l[6];
+	unsigned char *im = new unsigned char[70*200];
+	unsigned char *gif = new unsigned char[gifsize];
+
+	captcha( im, l );
+	c.captcha_text = std::string( (char *)l );
+
+	std::ostringstream raws( std::stringstream::out | std::stringstream::binary );
+	makegif( im, gif );
+	raws.write( (char *)gif, gifsize );
+	std::string raw = raws.str( );
+	
+	std::istringstream in( std::ios_base::in | std::ios_base::binary );
+	in.str( raw );
+	
+	base64::encoder E;
+	std::string base_s;
+	base_s.reserve( 3 * gifsize );
+	std::ostringstream base( base_s, std::stringstream::out | std::stringstream::binary );
+	E.encode( in, base );
+	c.captcha_base64 = base.str( );
+	
+	delete gif;
+	delete im;
 }
 
 } // namespace apps