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/* ============================================================================ |
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* Douglas Thrift's Search Engine License |
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* |
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* Copyright (C) 2002-2003, Douglas Thrift. All Rights Reserved. |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, if any, must |
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* include the following acknowledgment: |
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* |
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* "This product includes software developed by Douglas Thrift |
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* (http://computers.douglasthrift.net/searchengine/)." |
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* |
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* Alternately, this acknowledgment may appear in the software itself, if |
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* and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Douglas Thrift" and "Douglas Thrift's Search Engine" must not |
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* be used to endorse or promote products derived from this software without |
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* specific prior written permission. For written permission, please visit |
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* http://www.douglasthrift.net/contact.cgi for contact information. |
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* |
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* 5. Products derived from this software may not be called "Douglas Thrift's |
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* Search Engine", nor may "Douglas Thrift's Search Engine" appear in their |
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* name, without prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ============================================================================ |
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*/ |
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// Douglas Thrift's Search Engine HTTP Handler |
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// |
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// Douglas Thrift |
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// |
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// $Id: HttpHandler.h,v 1.15 2003/07/15 08:01:00 douglas Exp $ |
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|
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#ifndef _HttpHandler_h_ |
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#define _HttpHandler_h_ |
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|
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#include "Search.h" |
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#include "URL.h" |
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|
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// Lovely C Sockets! |
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#ifdef _WIN32 |
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// Windows Sockets |
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#include <winsock2.h> |
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#include <windows.h> |
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#else |
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// BSD Sockets |
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typedef int SOCKET; |
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#endif // _WIN32 |
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|
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#ifdef _OpenSSL_ |
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#include <openssl/crypto.h> |
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|
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inline string openssl(bool agent = false) |
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{ |
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ostringstream openssl; |
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|
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openssl << "OpenSSL" << (agent ? "/" : " "); |
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|
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long version = SSLeay(); |
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long major = version / 0x10000000; |
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long minor = (version % 0x10000000) / 0x100000; |
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long fix = (version % 0x100000) / 0x1000; |
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long patch = (version % 0x1000); |
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|
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openssl << major << "." << minor << "." << fix; |
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|
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if (patch == 0x0) |
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{ |
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openssl << "-dev"; |
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} |
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else if (patch >= 0x1 && patch <= 0xe) |
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{ |
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openssl << "-beta" << patch; |
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} |
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else if (patch > 0xf) |
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{ |
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openssl << char('a' - 1 + (patch / 0x10) % 26); |
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} |
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|
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if (!agent) |
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{ |
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openssl << " " << SSLeay_version(SSLEAY_BUILT_ON) << " " |
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<< SSLeay_version(SSLEAY_PLATFORM); |
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} |
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|
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return openssl.str(); |
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} |
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#endif |
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|
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class HttpHandler |
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{ |
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private: |
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enum code {ok = 200, choices = 300, moved = 301, found = 302, notfound = |
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404, internal = 500}; |
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#ifdef _WIN32 |
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WSADATA data; |
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#endif // _WIN32 |
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SOCKET http; |
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#ifdef _OpenSSL_ |
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bool tls; |
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#endif |
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char* buffer; |
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string page; |
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string type; |
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unsigned length; |
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string location; |
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bool chunked; |
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void populate(); |
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void putline(const string line = ""); |
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string getline(); |
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void error(const string& prefix, bool host = false); |
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public: |
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HttpHandler(); |
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~HttpHandler(); |
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bool handle(URL& url, const string referer = "", bool head = false); |
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HttpHandler& getline(string& line, char endline = '\n'); |
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bool good() { return (page.length() > 0); } |
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void clear(); |
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string contentType() { return type; } |
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unsigned contentLength() { return length; } |
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string redirect() { return location; } |
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}; |
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|
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#endif // _HttpHandler_h_ |
