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authorMichael Krelin <hacker@klever.net>2005-01-29 20:14:37 (UTC)
committer Michael Krelin <hacker@klever.net>2005-01-29 20:14:37 (UTC)
commitff4b919683537625f693eedf53006364d0f8444d (patch) (side-by-side diff)
tree4c19e38c0832b16b4ca98ae5af6542d932373eb1 /include/kingate
parentf9a64a67c89a7566e63ed66c3a69c359abea4dfd (diff)
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initial commit into repository0.0
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-rw-r--r--include/kingate/cgi_gateway.h164
-rw-r--r--include/kingate/cgi_interface.h70
-rw-r--r--include/kingate/exception.h44
-rw-r--r--include/kingate/fastcgi.h98
-rw-r--r--include/kingate/util.h26
5 files changed, 402 insertions, 0 deletions
diff --git a/include/kingate/cgi_gateway.h b/include/kingate/cgi_gateway.h
new file mode 100644
index 0000000..f683580
--- a/dev/null
+++ b/include/kingate/cgi_gateway.h
@@ -0,0 +1,164 @@
+#ifndef __KINGATE_CGI_GATEWAY_H
+#define __KINGATE_CGI_GATEWAY_H
+
+#include <map>
+#include "kingate/cgi_interface.h"
+
+/**
+ * @file
+ * @brief the cgi_gateway -- main interface to CGI.
+ */
+
+namespace kingate {
+ using namespace std;
+
+ /**
+ * The main class interfacing with the CGI environment.
+ */
+ class cgi_gateway {
+ public:
+ /**
+ * The interface to CGI environment (e.g. fastcgi).
+ */
+ cgi_interface& iface;
+ /**
+ * The type describing map holding parameters parsed from query string or input.
+ */
+ typedef multimap<string,string> params_t;
+ /**
+ * The GET-passed parameters.
+ */
+ params_t get;
+ /**
+ * The POST-passed parameters.
+ */
+ params_t post;
+ /**
+ * Was the stdin content parsed?
+ */
+ bool b_parsed_content;
+
+ /**
+ * @param ci the interface to use.
+ */
+ cgi_gateway(cgi_interface& ci);
+
+ /**
+ * Check whether there is an 'environment' meta-variable with specific name
+ * passed to CGI.
+ * @param n variable name.
+ * @return true if yes.
+ * @see cgi_interface::has_meta()
+ * @see get_meta()
+ */
+ bool has_meta(const string& n) const { return iface.has_meta(n); }
+ /**
+ * Retrieve the 'environment' meta-variable value.
+ * @param n variable name.
+ * @return variable contents.
+ * @see exception_notfound
+ * @see cgi_interface::get_meta()
+ */
+ string get_meta(const string& n) const { return iface.get_meta(n); }
+
+ /**
+ * fetch reference to the 'stdin' stream.
+ * @return the reference to the corresponding istream object.
+ * @see cgi_interface::in()
+ */
+ istream& in() { return iface.in(); }
+ /**
+ * fetch reference to the 'stdout' stream.
+ * @return the reference to the corresponding ostream object.
+ * @see cgi_interface::out()
+ */
+ ostream& out() { return iface.out(); }
+ /**
+ * fetch reference to the 'stderr' stream.
+ * @return the reference to the corresponding ostream object.
+ * @see cgi_interface::err()
+ */
+ ostream& err() { return iface.err(); }
+ /**
+ * cast to the ostream -- fetches the reference to the 'stdout'
+ * stream.
+ * @see out()
+ */
+ operator ostream& (void) { return out(); }
+
+ /**
+ * Check to see whether the parameter was passed via GET.
+ * @param n the parameter name.
+ * @return true if yes.
+ */
+ bool has_GET(const string& n) const;
+ /**
+ * Retrieve the parameter passed via GET.
+ * @param n the parameter name.
+ * @return the parameter contents.
+ * @see exception_notfound
+ */
+ string get_GET(const string& n) const;
+ /**
+ * Check to see whether the parameter was passed via POST.
+ * @param n the parameter name.
+ * @return true if yes.
+ */
+ bool has_POST(const string& n) const;
+ /**
+ * Retrieve the POST-parameter.
+ * @param n the parameter name.
+ * @return the parameter contents.
+ * @see exception_notfound
+ */
+ string get_POST(const string& n) const;
+ /**
+ * Check to see whether the parameter was passed either via POST or
+ * GET.
+ * @param n the parameter name.
+ * @return true if yes.
+ */
+ bool has_param(const string& n) const;
+ /**
+ * Retrieve the parameter passed either via POST or GET
+ * (GET-parameter takes precedence).
+ * @param n the parameter name.
+ * @return true if yes.
+ * @see exception_notfound.
+ */
+ string get_param(const string& n) const;
+
+ /**
+ * Retrieve the POST content-type (as passed via CONTENT_TYPE
+ * environment variable).
+ * @return the content type.
+ */
+ const string& get_content_type() const;
+ /**
+ * Retrieve the POST content length (as passed via the
+ * CONTENT_LENGTH environment variable).
+ * @return the content length.
+ */
+ unsigned long get_content_length() const;
+
+ /**
+ * Check to see whether the content from stdin stream was parsed.
+ * @return true if yes.
+ */
+ bool is_content_parsed() const { return b_parsed_content; }
+ private:
+ /**
+ * Parse the query string, putting the parameters into the map
+ * specified.
+ * @param q the query string.
+ * @param p destination parameters map.
+ */
+ static void parse_query(string& q,params_t& p);
+ };
+
+}
+
+#endif /* __KINGATE_CGI_GATEWAY_H */
+/*
+ * vim:set ft=cpp:
+ */
diff --git a/include/kingate/cgi_interface.h b/include/kingate/cgi_interface.h
new file mode 100644
index 0000000..84ea6dd
--- a/dev/null
+++ b/include/kingate/cgi_interface.h
@@ -0,0 +1,70 @@
+#ifndef __KINGATE_CGI_INTERFACE_H
+#define __KINGATE_CGI_INTERFACE_H
+
+#include <iostream>
+#include <string>
+#include <map>
+
+/**
+ * @file
+ * @brief the abstract base for various interfaces to CGI.
+ */
+
+namespace kingate {
+ using namespace std;
+
+ /**
+ * The abstract base class for interface to CGI subsystem.
+ */
+ class cgi_interface {
+ public:
+ /**
+ * The type for map holding 'environment' meta-variables.
+ */
+ typedef map<string,string> metavars_t;
+ /**
+ * The environment variables.
+ */
+ metavars_t metavars;
+
+ cgi_interface() { }
+ virtual ~cgi_interface() { }
+
+ /**
+ * Check to see whether there is a particular 'environment'
+ * meta-variable passed.
+ * @param n the variable name.
+ * @return true if yes.
+ */
+ bool has_meta(const string& n) const;
+ /**
+ * Retrieve the 'environment' variable.
+ * @param n the variable name.
+ * @return the variable contents.
+ * @see exception_notfound
+ */
+ const string& get_meta(const string& n) const;
+
+ /**
+ * Fetch reference to CGI 'stdout' stream.
+ * @return reference to the corresponding ostream object.
+ */
+ virtual ostream& out() = 0;
+ /**
+ * Fetch reference to CGI 'stdin' stream.
+ * @return reference to the corresponding istream object.
+ */
+ virtual istream& in() = 0;
+ /**
+ * Fetch reference to CGI 'stderr' stream.
+ * @return reference to the corresponding ostream object.
+ */
+ virtual ostream& err() = 0;
+ };
+
+}
+
+#endif /* __KINGATE_CGI_INTERFACE_H */
+/*
+ * vim:set ft=cpp:
+ */
diff --git a/include/kingate/exception.h b/include/kingate/exception.h
new file mode 100644
index 0000000..6ebb361
--- a/dev/null
+++ b/include/kingate/exception.h
@@ -0,0 +1,44 @@
+#ifndef __KINGATE_EXCEPTION_H
+#define __KINGATE_EXCEPTION_H
+
+#include <stdexcept>
+#include <konforka/exception.h>
+
+/**
+ * @file
+ * @brief The kingate-specific exceptions.
+ */
+
+/**
+ * @brief the main kingate namespace.
+ */
+namespace kingate {
+ using namespace std;
+
+ /**
+ * The base for kingate-specific exception.
+ */
+ class exception : public konforka::exception {
+ public:
+ explicit exception(const string& w)
+ : konforka::exception(NOCODEPOINT,w) { }
+ exception(const string& fi,const string& fu,int l,const string &w)
+ : konforka::exception(fi,fu,l,w) { }
+ };
+
+ /**
+ * Thrown if the specified variable or parameter wasn't found.
+ */
+ class exception_notfound : public exception {
+ public:
+ explicit exception_notfound(const string& w)
+ : exception(w) { }
+ exception_notfound(const string& fi,const string& fu,int l,const string& w)
+ : exception(fi,fu,l,w) { }
+ };
+}
+
+#endif /* __KINGATE_EXCEPTION_H */
+/*
+ * vim:set ft=cpp:
+ */
diff --git a/include/kingate/fastcgi.h b/include/kingate/fastcgi.h
new file mode 100644
index 0000000..fd293b9
--- a/dev/null
+++ b/include/kingate/fastcgi.h
@@ -0,0 +1,98 @@
+#ifndef __KINGATE_FASTCGI_H
+#define __KINGATE_FASTCGI_H
+
+#include "kingate/cgi_interface.h"
+#include <fcgio.h>
+
+/**
+ * @file
+ * @brief the fastcgi-specific implementation.
+ */
+
+namespace kingate {
+
+ /**
+ * The fcgi listening socket.
+ */
+ class fcgi_socket {
+ static bool _initialized;
+ public:
+ /**
+ * socket file descriptor.
+ */
+ int sock;
+
+ /**
+ * @param s the socket name. (if the socket starts with a colon,
+ * then it is interpreted as a tcp port number.
+ * @param bl backlog listen queue depth.
+ */
+ fcgi_socket(const char* s,int bl);
+ /**
+ * @param s the file descriptor of preopened socket.
+ */
+ fcgi_socket(int s);
+ ~fcgi_socket();
+ };
+
+ /**
+ * The implementation of the interface to the FastCGI.
+ */
+ class fcgi_interface : public cgi_interface {
+ public:
+ /**
+ * stdin fcgi streambuf.
+ */
+ fcgi_streambuf sbin;
+ /**
+ * stdout fcgi streambuf.
+ */
+ fcgi_streambuf sbout;
+ /**
+ * stderr fcgi streambuf.
+ */
+ fcgi_streambuf sberr;
+ /**
+ * stdin istream.
+ */
+ istream sin;
+ /**
+ * stdout ostream.
+ */
+ ostream sout;
+ /**
+ * stderr ostream.
+ */
+ ostream serr;
+ /**
+ * The FCGI request.
+ */
+ FCGX_Request request;
+
+ /**
+ * @param s the socked used for interfacing with the server.
+ * @param f the request flags (e.g. FCGI_FAIL_ON_INTR).
+ */
+ fcgi_interface(fcgi_socket& s,int f=0);
+ virtual ~fcgi_interface();
+
+ /**
+ * @overload cgi_interface::in()
+ */
+ istream& in() { return sin; }
+ /**
+ * @overload cgi_interface::out()
+ */
+ ostream& out() { return sout; }
+ /**
+ * @overload cgi_interface::out()
+ */
+ ostream& err() { return serr; }
+ };
+
+}
+
+#endif /* __KINGATE_FASTCGI_H */
+/*
+ * vim:set ft=cpp:
+ */
diff --git a/include/kingate/util.h b/include/kingate/util.h
new file mode 100644
index 0000000..4b0dca8
--- a/dev/null
+++ b/include/kingate/util.h
@@ -0,0 +1,26 @@
+#ifndef __KINGATE_UTIL_H
+#define __KINGATE_UTIL_H
+
+#include <string>
+
+namespace kingate {
+ using namespace std;
+
+ /**
+ * Escape string for passing via URL.
+ * @param str string unescaped.
+ * @return the escaped string.
+ */
+ string url_escape(const string& str);
+ /**
+ * Remove URL-encoding from the string.
+ * @param str the URL-encoded string.
+ * @return the unescaped string.
+ */
+ string url_unescape(const string& str);
+}
+
+#endif /* __KINGATE_UTIL_H */
+/*
+ * vim:set ft=cpp:
+ */