From 7943704cfe4e7d6c853ddca82f2d0f3365fb2c88 Mon Sep 17 00:00:00 2001 From: "milo24x7@gmail.com" Date: Sun, 7 Jul 2013 21:40:05 +0000 Subject: Updated open source license declaration and fixed some formatting issues. --- NetEx/HttpServer.cpp | 2030 +++++++++++++++++++++++++------------------------- 1 file changed, 1027 insertions(+), 1003 deletions(-) (limited to 'NetEx/HttpServer.cpp') diff --git a/NetEx/HttpServer.cpp b/NetEx/HttpServer.cpp index 5926a25..92a13b2 100644 --- a/NetEx/HttpServer.cpp +++ b/NetEx/HttpServer.cpp @@ -1,1003 +1,1027 @@ -/* Project nGenEx - Destroyer Studios LLC - Copyright © 1997-2004. All Rights Reserved. - - SUBSYSTEM: NetEx.lib - FILE: HttpServer.cpp - AUTHOR: John DiCamillo - - - OVERVIEW - ======== - Network Server Pump for HTTP Server -*/ - - -#include "MemDebug.h" -#include "HttpServer.h" -#include "NetLayer.h" - -#include -#include -#include - -// +-------------------------------------------------------------------+ - -HttpServer::HttpServer(WORD port, int poolsize) - : NetServer(port, poolsize) -{ - http_server_name = "Generic HttpServer 1.0"; -} - -HttpServer::~HttpServer() -{ } - -// +--------------------------------------------------------------------+ - -Text -HttpServer::ProcessRequest(Text msg, const NetAddr& addr) -{ - HttpRequest request(msg); - HttpResponse response; - - request.SetClientAddr(addr); - - switch (request.Method()) { - case HttpRequest::HTTP_GET: - if (DoGet(request, response)) - return response; - - case HttpRequest::HTTP_POST: - if (DoPost(request, response)) - return response; - - case HttpRequest::HTTP_HEAD: - if (DoHead(request, response)) - return response; - } - - return ErrorResponse(); -} - -// +--------------------------------------------------------------------+ - -Text -HttpServer::GetServerName() -{ - return http_server_name; -} - -void -HttpServer::SetServerName(const char* name) -{ - http_server_name = name; -} - -// +--------------------------------------------------------------------+ - -Text -HttpServer::DefaultResponse() -{ - Text response = "HTTP/1.1 200 OK\nServer: "; - response += http_server_name; - response += "\nMIME-Version: 1.0\nContent-Type: text/html\nConnection: close\n\n"; - - return response; -} - -Text -HttpServer::ErrorResponse() -{ - Text response = "HTTP/1.1 500 Internal Server Error\nServer:"; - response += http_server_name; - response += "\nMIME-Version: 1.0\nContent-Type: text/html\nConnection: close\n\n"; - - response += ""; - response += http_server_name; - response += " Error\n"; - response += "\n

"; - response += http_server_name; - response += "

Veruca... sweetheart... angel... I'm not a magician!\n"; - response += "\n\n"; - - return response; -} - -// +--------------------------------------------------------------------+ - -bool -HttpServer::DoGet(HttpRequest& request, HttpResponse& response) -{ - char buffer[1024]; - Text content; - - content = ""; - content += http_server_name; - content += "\n"; - content += "\n

"; - content += http_server_name; - content += "

\n"; - content += "

Client Address:

\n"; - - sprintf_s(buffer, "%d.%d.%d.%d:%d

\n", - client_addr.B1(), - client_addr.B2(), - client_addr.B3(), - client_addr.B4(), - client_addr.Port()); - - content += buffer; - content += "

Request Method:

\n"; - - switch (request.Method()) { - case HttpRequest::HTTP_GET: - content += "GET"; - break; - - case HttpRequest::HTTP_POST: - content += "POST"; - break; - - case HttpRequest::HTTP_HEAD: - content += "HEAD"; - break; - - default: - content += "(unsupported?)"; - break; - } - - content += "
\n"; - content += "

URI Requested:

\n"; - content += request.URI(); - content += "
\n"; - - if (request.GetQuery().size() > 0) { - content += "

Query Parameters:

\n"; - - ListIter q_iter = request.GetQuery(); - while (++q_iter) { - HttpParam* q = q_iter.value(); - sprintf_s(buffer, "%s: %s
\n", q->name.data(), q->value.data()); - content += buffer; - } - } - - content += "

Request Headers:

\n"; - ListIter h_iter = request.GetHeaders(); - while (++h_iter) { - HttpParam* h = h_iter.value(); - sprintf_s(buffer, "%s: %s
\n", h->name.data(), h->value.data()); - content += buffer; - } - - content += "\n\n"; - - response.SetStatus(HttpResponse::SC_OK); - response.AddHeader("Server", http_server_name); - response.AddHeader("MIME-Version", "1.0"); - response.AddHeader("Content-Type", "text/html"); - response.SetContent(content); - - return true; -} - -// +--------------------------------------------------------------------+ - -bool -HttpServer::DoPost(HttpRequest& request, HttpResponse& response) -{ - return DoGet(request, response); -} - -// +--------------------------------------------------------------------+ - -bool -HttpServer::DoHead(HttpRequest& request, HttpResponse& response) -{ - if (DoGet(request, response)) { - int len = response.Content().length(); - - char buffer[256]; - sprintf_s(buffer, "%d", len); - response.SetHeader("Content-Length", buffer); - response.SetContent(""); - - return true; - } - - return false; -} - -// +--------------------------------------------------------------------+ -// +--------------------------------------------------------------------+ -// +--------------------------------------------------------------------+ - -HttpRequest::HttpRequest(const char* r) - : method(0) -{ - if (r && *r) - ParseRequest(r); -} - -HttpRequest::~HttpRequest() -{ - query.destroy(); - headers.destroy(); - cookies.destroy(); -} - -// +--------------------------------------------------------------------+ - -void -HttpRequest::ParseRequest(Text request) -{ - if (request.length() <= 8) - return; - - const char* pReq = 0; - const char* pURI = 0; - const char* pQuery = 0; - - switch (request[0]) { - case 'G': - if (request.indexOf("GET") == 0) - method = HTTP_GET; - break; - - case 'P': - if (request.indexOf("POST") == 0) - method = HTTP_POST; - break; - - case 'H': - if (request.indexOf("HEAD") == 0) - method = HTTP_HEAD; - break; - - default: - break; - } - - if (!method) return; - - char buffer[1024]; - int i = 0; - - // save the request line: - pReq = request.data(); - while (*pReq && *pReq != '\n') - buffer[i++] = *pReq++; - buffer[i] = 0; - - request_line = buffer; - i = 0; - - // find the URI: - pURI = request.data(); - while (*pURI && !isspace(*pURI)) - pURI++; - - while (*pURI && isspace(*pURI)) - pURI++; - - // copy the URI and find the query string: - while (*pURI && *pURI != '?' && !isspace(*pURI)) { - buffer[i++] = *pURI++; - } - - buffer[i] = 0; - uri = buffer; - pQuery = pURI; - - // parse the query string: - if (*pQuery == '?') { - pQuery++; - - while (*pQuery && !isspace(*pQuery)) { - char name_buf[1024]; - char value_buf[1024]; - - i = 0; - while (*pQuery && *pQuery != '=' && !isspace(*pQuery)) - name_buf[i++] = *pQuery++; - name_buf[i] = 0; - - if (*pQuery == '=') - pQuery++; - - i = 0; - while (*pQuery && *pQuery != '&' && !isspace(*pQuery)) - value_buf[i++] = *pQuery++; - value_buf[i] = 0; - - if (*pQuery == '&') - pQuery++; - - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, DecodeParam(value_buf)); - if (param) - query.append(param); - } - } - - // get the headers: - const char* p = request.data(); - while (*p && *p != '\n') - p++; - - if (*p == '\n') p++; - - while (*p && *p != '\r' && *p != '\n') { - char name_buf[1024]; - char value_buf[1024]; - - i = 0; - while (*p && *p != ':') - name_buf[i++] = *p++; - name_buf[i] = 0; - - p++; // skip ':' - while (isspace(*p)) p++; // skip spaces - - i = 0; - while (*p && *p != '\r' && *p != '\n') // read to end of header line - value_buf[i++] = *p++; - value_buf[i] = 0; - - if (!_stricmp(name_buf, "Cookie")) { - ParseCookie(value_buf); - } - else { - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, value_buf); - if (param) - headers.append(param); - } - - while (*p && *p != '\n') - p++; - - if (*p == '\n') p++; - } - - if (method == HTTP_POST && *p) { - while (*p == '\n' || *p == '\r') - p++; - - content = *p; - pQuery = p; - - while (*pQuery && !isspace(*pQuery)) { - char name_buf[1024]; - char value_buf[1024]; - - i = 0; - while (*pQuery && *pQuery != '=' && !isspace(*pQuery)) - name_buf[i++] = *pQuery++; - name_buf[i] = 0; - - if (*pQuery == '=') - pQuery++; - - i = 0; - while (*pQuery && *pQuery != '&' && !isspace(*pQuery)) - value_buf[i++] = *pQuery++; - value_buf[i] = 0; - - if (*pQuery == '&') - pQuery++; - - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, DecodeParam(value_buf)); - if (param) - query.append(param); - } - } -} - -void -HttpRequest::ParseCookie(const char* param) -{ - const char* p = param; - - while (p && *p) { - while (isspace(*p)) p++; - - // just ignore reserved attributes - if (*p == '$') { - while (*p && !isspace(*p) && *p != ';') p++; - - if (*p == ';') - p++; - } - - // found a cookie! - else if (isalpha(*p)) { - char name[1024]; - char data[1024]; - - char* d = name; - while (*p && *p != '=') - *d++ = *p++; - *d = 0; - - if (*p == '=') - p++; - - if (*p == '"') - p++; - - d = data; - while (*p && *p != '"' && *p != ';') - *d++ = *p++; - *d = 0; - - if (*p == '"') - p++; - - if (*p == ';') - p++; - - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, data); - if (param) - cookies.append(param); - } - - // this shouldn't happen - abandon the parse - else { - return; - } - } -} - -// +--------------------------------------------------------------------+ - -Text -HttpRequest::GetParam(const char* name) -{ - ListIter iter = query; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) - return p->value; - } - - return Text(); -} - -// +--------------------------------------------------------------------+ - -Text -HttpRequest::GetHeader(const char* name) -{ - ListIter iter = headers; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) - return p->value; - } - - return Text(); -} - -void -HttpRequest::SetHeader(const char* name, const char* value) -{ - ListIter iter = headers; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) { - p->value = value; - return; - } - } - - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - headers.append(param); -} - -void -HttpRequest::AddHeader(const char* name, const char* value) -{ - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - headers.append(param); -} - -// +--------------------------------------------------------------------+ - -Text -HttpRequest::GetCookie(const char* name) -{ - ListIter iter = cookies; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) - return p->value; - } - - return Text(); -} - -void -HttpRequest::SetCookie(const char* name, const char* value) -{ - ListIter iter = cookies; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) { - p->value = value; - return; - } - } - - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - cookies.append(param); -} - -void -HttpRequest::AddCookie(const char* name, const char* value) -{ - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - cookies.append(param); -} - -// +--------------------------------------------------------------------+ - -Text -HttpRequest::DecodeParam(const char* value) -{ - if (!value || !*value) return ""; - - int size = strlen(value); - char val = 0; - char code[4]; - char sbuf[256]; - char* lbuf = 0; - - char* dst = sbuf; - char* p = sbuf; - - if (size > 255) { - lbuf = new(__FILE__,__LINE__) char[size+1]; - dst = lbuf; - p = lbuf; - } - - if (p) { - while (*value) { - switch (*value) { - default: *p++ = *value; break; - case '+': *p++ = ' '; break; - - case '%': - value++; - code[0] = *value++; - code[1] = *value; - code[2] = 0; - - val = (char) strtol(code, 0, 16); - *p++ = val; - break; - } - - value++; - } - - *p = 0; - } - - Text result = dst; - - if (lbuf) - delete [] lbuf; - - return result; -} - -// +--------------------------------------------------------------------+ - -Text -HttpRequest::EncodeParam(const char* value) -{ - if (!value || !*value) return ""; - - int size = strlen(value); - char hex1 = 0; - char hex2 = 0; - - char sbuf[1024]; - char* lbuf = 0; - - char* dst = sbuf; - char* p = sbuf; - - if (size > 255) { - lbuf = new(__FILE__,__LINE__) char[4*size+1]; - dst = lbuf; - p = lbuf; - } - - if (p) { - while (*value) { - switch (*value) { - default: *p++ = *value; break; - case ' ': *p++ = '+'; break; - - case '?': *p++ = '%'; *p++ = '3'; *p++ = 'F'; break; - case '&': *p++ = '%'; *p++ = '2'; *p++ = '6'; break; - case ':': *p++ = '%'; *p++ = '3'; *p++ = 'A'; break; - case '/': *p++ = '%'; *p++ = '2'; *p++ = 'F'; break; - case '\\': *p++ = '%'; *p++ = '5'; *p++ = 'C'; break; - case '%': *p++ = '%'; *p++ = '2'; *p++ = '5'; break; - case '|': *p++ = '%'; *p++ = '7'; *p++ = 'C'; break; - case '<': *p++ = '%'; *p++ = '3'; *p++ = 'C'; break; - case '>': *p++ = '%'; *p++ = '3'; *p++ = 'E'; break; - case '[': *p++ = '%'; *p++ = '5'; *p++ = 'B'; break; - case ']': *p++ = '%'; *p++ = '5'; *p++ = 'D'; break; - case '{': *p++ = '%'; *p++ = '7'; *p++ = 'B'; break; - case '}': *p++ = '%'; *p++ = '7'; *p++ = 'D'; break; - case '"': *p++ = '%'; *p++ = '2'; *p++ = '2'; break; - case '^': *p++ = '%'; *p++ = '5'; *p++ = 'E'; break; - case '`': *p++ = '%'; *p++ = '6'; *p++ = '0'; break; - case '\n': break; - case '\r': break; - case '\t': break; - } - - value++; - } - - *p = 0; - } - - Text result = dst; - - if (lbuf) - delete [] lbuf; - - return result; -} - -// +--------------------------------------------------------------------+ - -HttpRequest::operator Text() -{ - Text response = request_line.data(); - response += "\n"; - - for (int i = 0; i < headers.size(); i++) { - HttpParam* h = headers[i]; - response += h->name; - response += ": "; - response += h->value; - response += "\n"; - } - - for (int i = 0; i < cookies.size(); i++) { - HttpParam* c = cookies[i]; - response += "Cookie: "; - response += c->name; - response += "=\""; - response += c->value; - response += "\"\n"; - } - - response += "Connection: close\n\n"; - response += content; - - return response; -} - -// +--------------------------------------------------------------------+ -// +--------------------------------------------------------------------+ -// +--------------------------------------------------------------------+ - -HttpResponse::HttpResponse(int stat, const char* data) - : status(stat), content(data) -{ } - -HttpResponse::HttpResponse(const char* r) - : status(0), content(r) -{ - if (r && *r) - ParseResponse(r); -} - -HttpResponse::~HttpResponse() -{ - headers.destroy(); - cookies.destroy(); -} - -// +--------------------------------------------------------------------+ - -HttpResponse::operator Text() -{ - Text response; - - switch (status) { - case SC_CONTINUE : response = "HTTP/1.1 100 Continue\n"; break; - case SC_SWITCHING_PROTOCOLS : response = "HTTP/1.1 101 Switching Protocols\n"; break; - - case SC_OK : response = "HTTP/1.1 200 OK\n"; break; - case SC_CREATED : response = "HTTP/1.1 201 Created\n"; break; - case SC_ACCEPTED : response = "HTTP/1.1 202 Accepted\n"; break; - case SC_NON_AUTHORITATIVE : response = "HTTP/1.1 203 Non Authoritative\n"; break; - case SC_NO_CONTENT : response = "HTTP/1.1 204 No Content\n"; break; - case SC_RESET_CONTENT : response = "HTTP/1.1 205 Reset Content\n"; break; - case SC_PARTIAL_CONTENT : response = "HTTP/1.1 206 Partial Content\n"; break; - - case SC_MULTIPLE_CHOICES : response = "HTTP/1.1 300 Multiple Choices\n"; break; - case SC_MOVED_PERMANENTLY : response = "HTTP/1.1 301 Moved Permanently\n"; break; - case SC_FOUND : response = "HTTP/1.1 302 Found\n"; break; - case SC_SEE_OTHER : response = "HTTP/1.1 303 See Other\n"; break; - case SC_NOT_MODIFIED : response = "HTTP/1.1 304 Not Modified\n"; break; - case SC_USE_PROXY : response = "HTTP/1.1 305 Use Proxy\n"; break; - case SC_TEMPORARY_REDIRECT : response = "HTTP/1.1 307 Temporary Redirect\n"; break; - - case SC_BAD_REQUEST : response = "HTTP/1.1 400 Bad Request\n"; break; - case SC_UNAUTHORIZED : response = "HTTP/1.1 401 Unauthorized\n"; break; - case SC_PAYMENT_REQUIRED : response = "HTTP/1.1 402 Payment Required\n"; break; - case SC_FORBIDDEN : response = "HTTP/1.1 403 Forbidden\n"; break; - case SC_NOT_FOUND : response = "HTTP/1.1 404 Not Found\n"; break; - case SC_METHOD_NOT_ALLOWED : response = "HTTP/1.1 405 Method Not Allowed\n"; break; - case SC_NOT_ACCEPTABLE : response = "HTTP/1.1 406 Not Acceptable\n"; break; - case SC_PROXY_AUTH_REQ : response = "HTTP/1.1 407 Proxy Authorization Req\n"; break; - case SC_REQUEST_TIME_OUT : response = "HTTP/1.1 408 Request Timeout\n"; break; - case SC_CONFLICT : response = "HTTP/1.1 409 Conflict\n"; break; - case SC_GONE : response = "HTTP/1.1 410 Gone\n"; break; - case SC_LENGTH_REQUIRED : response = "HTTP/1.1 411 Length Required\n"; break; - - default: - case SC_SERVER_ERROR : response = "HTTP/1.1 500 Internal Server Error\n"; break; - case SC_NOT_IMPLEMENTED : response = "HTTP/1.1 501 Not Implemented\n"; break; - case SC_BAD_GATEWAY : response = "HTTP/1.1 502 Bad Gateway\n"; break; - case SC_SERVICE_UNAVAILABLE : response = "HTTP/1.1 503 Service Unavailable\n"; break; - case SC_GATEWAY_TIMEOUT : response = "HTTP/1.1 504 Gateway Timeout\n"; break; - case SC_VERSION_NOT_SUPPORTED: response = "HTTP/1.1 505 HTTP Version Not Supported\n"; break; - } - - SetHeader("Connection", "close"); - - char buffer[256]; - - if (content.length()) { - sprintf_s(buffer, "%d", content.length()); - SetHeader("Content-Length", buffer); - } - - for (int i = 0; i < cookies.size(); i++) { - HttpParam* cookie = cookies.at(i); - sprintf_s(buffer, "%s=\"%s\"; Version=\"1\"", cookie->name.data(), cookie->value.data()); - - AddHeader("Set-Cookie", buffer); - } - - for (int i = 0; i < headers.size(); i++) { - const HttpParam* p = headers.at(i); - sprintf_s(buffer, "%s: %s\n", p->name.data(), p->value.data()); - response += buffer; - } - - response += "\n"; - response += content; - - return response; -} - -// +--------------------------------------------------------------------+ - -Text -HttpResponse::GetHeader(const char* name) -{ - ListIter iter = headers; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) - return p->value; - } - - return Text(); -} - -void -HttpResponse::SetHeader(const char* name, const char* value) -{ - ListIter iter = headers; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) { - p->value = value; - return; - } - } - - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - headers.append(param); -} - -void -HttpResponse::AddHeader(const char* name, const char* value) -{ - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - headers.append(param); -} - -// +--------------------------------------------------------------------+ - -Text -HttpResponse::GetCookie(const char* name) -{ - ListIter iter = cookies; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) - return p->value; - } - - return Text(); -} - -void -HttpResponse::SetCookie(const char* name, const char* value) -{ - ListIter iter = cookies; - while (++iter) { - HttpParam* p = iter.value(); - - if (p->name == name) { - p->value = value; - return; - } - } - - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - cookies.append(param); -} - -void -HttpResponse::AddCookie(const char* name, const char* value) -{ - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); - if (param) - cookies.append(param); -} - -// +--------------------------------------------------------------------+ - -void -HttpResponse::SendRedirect(const char* url) -{ - status = SC_TEMPORARY_REDIRECT; - SetHeader("Location", url); -} - -// +--------------------------------------------------------------------+ - -void -HttpResponse::ParseResponse(Text response) -{ - if (response.length() <= 12 || response.indexOf("HTTP/1.") != 0) - return; - - const char* pStatus = response.data() + 9; - - sscanf_s(pStatus, "%d", &status); - if (!status) return; - - int i = 0; - - // get the headers: - const char* p = response.data(); - while (*p && *p != '\n') - p++; - - if (*p == '\n') p++; - - while (*p && *p != '\r' && *p != '\n') { - char name_buf[1024]; - char value_buf[1024]; - - i = 0; - while (*p && *p != ':') - name_buf[i++] = *p++; - name_buf[i] = 0; - - p++; // skip ':' - while (isspace(*p)) p++; // skip spaces - - i = 0; - while (*p && *p != '\r' && *p != '\n') // read to end of header line - value_buf[i++] = *p++; - value_buf[i] = 0; - - if (!_stricmp(name_buf, "Set-Cookie")) { - ParseCookie(value_buf); - } - else { - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, value_buf); - if (param) - headers.append(param); - } - - while (*p && *p != '\n') - p++; - - if (*p == '\n') p++; - } - - if (*p == '\n') p++; - content = p; -} - -void -HttpResponse::ParseCookie(const char* param) -{ - const char* p = param; - - while (p && *p) { - while (isspace(*p)) p++; - - // just ignore reserved attributes - if (*p == '$') { - while (*p && !isspace(*p) && *p != ';') p++; - - if (*p == ';') - p++; - } - - // found a cookie! - else if (isalpha(*p)) { - char name[1024]; - char data[1024]; - - char* d = name; - while (*p && *p != '=') - *d++ = *p++; - *d = 0; - - if (*p == '=') - p++; - - if (*p == '"') - p++; - - d = data; - while (*p && *p != '"' && *p != ';') - *d++ = *p++; - *d = 0; - - if (*p == '"') - p++; - - if (*p == ';') - p++; - - // ignore the version attribute - if (_stricmp(name, "version")) { - HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, data); - if (param) - cookies.append(param); - } - } - - // this shouldn't happen - abandon the parse - else { - return; - } - } -} - +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: NetEx.lib + FILE: HttpServer.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Network Server Pump for HTTP Server +*/ + + +#include "MemDebug.h" +#include "HttpServer.h" +#include "NetLayer.h" + +#include +#include +#include + +// +-------------------------------------------------------------------+ + +HttpServer::HttpServer(WORD port, int poolsize) + : NetServer(port, poolsize) +{ + http_server_name = "Generic HttpServer 1.0"; +} + +HttpServer::~HttpServer() +{ } + +// +--------------------------------------------------------------------+ + +Text +HttpServer::ProcessRequest(Text msg, const NetAddr& addr) +{ + HttpRequest request(msg); + HttpResponse response; + + request.SetClientAddr(addr); + + switch (request.Method()) { + case HttpRequest::HTTP_GET: + if (DoGet(request, response)) + return response; + + case HttpRequest::HTTP_POST: + if (DoPost(request, response)) + return response; + + case HttpRequest::HTTP_HEAD: + if (DoHead(request, response)) + return response; + } + + return ErrorResponse(); +} + +// +--------------------------------------------------------------------+ + +Text +HttpServer::GetServerName() +{ + return http_server_name; +} + +void +HttpServer::SetServerName(const char* name) +{ + http_server_name = name; +} + +// +--------------------------------------------------------------------+ + +Text +HttpServer::DefaultResponse() +{ + Text response = "HTTP/1.1 200 OK\nServer: "; + response += http_server_name; + response += "\nMIME-Version: 1.0\nContent-Type: text/html\nConnection: close\n\n"; + + return response; +} + +Text +HttpServer::ErrorResponse() +{ + Text response = "HTTP/1.1 500 Internal Server Error\nServer:"; + response += http_server_name; + response += "\nMIME-Version: 1.0\nContent-Type: text/html\nConnection: close\n\n"; + + response += ""; + response += http_server_name; + response += " Error\n"; + response += "\n

"; + response += http_server_name; + response += "

Veruca... sweetheart... angel... I'm not a magician!\n"; + response += "\n\n"; + + return response; +} + +// +--------------------------------------------------------------------+ + +bool +HttpServer::DoGet(HttpRequest& request, HttpResponse& response) +{ + char buffer[1024]; + Text content; + + content = ""; + content += http_server_name; + content += "\n"; + content += "\n

"; + content += http_server_name; + content += "

\n"; + content += "

Client Address:

\n"; + + sprintf_s(buffer, "%d.%d.%d.%d:%d

\n", + client_addr.B1(), + client_addr.B2(), + client_addr.B3(), + client_addr.B4(), + client_addr.Port()); + + content += buffer; + content += "

Request Method:

\n"; + + switch (request.Method()) { + case HttpRequest::HTTP_GET: + content += "GET"; + break; + + case HttpRequest::HTTP_POST: + content += "POST"; + break; + + case HttpRequest::HTTP_HEAD: + content += "HEAD"; + break; + + default: + content += "(unsupported?)"; + break; + } + + content += "
\n"; + content += "

URI Requested:

\n"; + content += request.URI(); + content += "
\n"; + + if (request.GetQuery().size() > 0) { + content += "

Query Parameters:

\n"; + + ListIter q_iter = request.GetQuery(); + while (++q_iter) { + HttpParam* q = q_iter.value(); + sprintf_s(buffer, "%s: %s
\n", q->name.data(), q->value.data()); + content += buffer; + } + } + + content += "

Request Headers:

\n"; + ListIter h_iter = request.GetHeaders(); + while (++h_iter) { + HttpParam* h = h_iter.value(); + sprintf_s(buffer, "%s: %s
\n", h->name.data(), h->value.data()); + content += buffer; + } + + content += "\n\n"; + + response.SetStatus(HttpResponse::SC_OK); + response.AddHeader("Server", http_server_name); + response.AddHeader("MIME-Version", "1.0"); + response.AddHeader("Content-Type", "text/html"); + response.SetContent(content); + + return true; +} + +// +--------------------------------------------------------------------+ + +bool +HttpServer::DoPost(HttpRequest& request, HttpResponse& response) +{ + return DoGet(request, response); +} + +// +--------------------------------------------------------------------+ + +bool +HttpServer::DoHead(HttpRequest& request, HttpResponse& response) +{ + if (DoGet(request, response)) { + int len = response.Content().length(); + + char buffer[256]; + sprintf_s(buffer, "%d", len); + response.SetHeader("Content-Length", buffer); + response.SetContent(""); + + return true; + } + + return false; +} + +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ + +HttpRequest::HttpRequest(const char* r) + : method(0) +{ + if (r && *r) + ParseRequest(r); +} + +HttpRequest::~HttpRequest() +{ + query.destroy(); + headers.destroy(); + cookies.destroy(); +} + +// +--------------------------------------------------------------------+ + +void +HttpRequest::ParseRequest(Text request) +{ + if (request.length() <= 8) + return; + + const char* pReq = 0; + const char* pURI = 0; + const char* pQuery = 0; + + switch (request[0]) { + case 'G': + if (request.indexOf("GET") == 0) + method = HTTP_GET; + break; + + case 'P': + if (request.indexOf("POST") == 0) + method = HTTP_POST; + break; + + case 'H': + if (request.indexOf("HEAD") == 0) + method = HTTP_HEAD; + break; + + default: + break; + } + + if (!method) return; + + char buffer[1024]; + int i = 0; + + // save the request line: + pReq = request.data(); + while (*pReq && *pReq != '\n') + buffer[i++] = *pReq++; + buffer[i] = 0; + + request_line = buffer; + i = 0; + + // find the URI: + pURI = request.data(); + while (*pURI && !isspace(*pURI)) + pURI++; + + while (*pURI && isspace(*pURI)) + pURI++; + + // copy the URI and find the query string: + while (*pURI && *pURI != '?' && !isspace(*pURI)) { + buffer[i++] = *pURI++; + } + + buffer[i] = 0; + uri = buffer; + pQuery = pURI; + + // parse the query string: + if (*pQuery == '?') { + pQuery++; + + while (*pQuery && !isspace(*pQuery)) { + char name_buf[1024]; + char value_buf[1024]; + + i = 0; + while (*pQuery && *pQuery != '=' && !isspace(*pQuery)) + name_buf[i++] = *pQuery++; + name_buf[i] = 0; + + if (*pQuery == '=') + pQuery++; + + i = 0; + while (*pQuery && *pQuery != '&' && !isspace(*pQuery)) + value_buf[i++] = *pQuery++; + value_buf[i] = 0; + + if (*pQuery == '&') + pQuery++; + + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, DecodeParam(value_buf)); + if (param) + query.append(param); + } + } + + // get the headers: + const char* p = request.data(); + while (*p && *p != '\n') + p++; + + if (*p == '\n') p++; + + while (*p && *p != '\r' && *p != '\n') { + char name_buf[1024]; + char value_buf[1024]; + + i = 0; + while (*p && *p != ':') + name_buf[i++] = *p++; + name_buf[i] = 0; + + p++; // skip ':' + while (isspace(*p)) p++; // skip spaces + + i = 0; + while (*p && *p != '\r' && *p != '\n') // read to end of header line + value_buf[i++] = *p++; + value_buf[i] = 0; + + if (!_stricmp(name_buf, "Cookie")) { + ParseCookie(value_buf); + } + else { + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, value_buf); + if (param) + headers.append(param); + } + + while (*p && *p != '\n') + p++; + + if (*p == '\n') p++; + } + + if (method == HTTP_POST && *p) { + while (*p == '\n' || *p == '\r') + p++; + + content = *p; + pQuery = p; + + while (*pQuery && !isspace(*pQuery)) { + char name_buf[1024]; + char value_buf[1024]; + + i = 0; + while (*pQuery && *pQuery != '=' && !isspace(*pQuery)) + name_buf[i++] = *pQuery++; + name_buf[i] = 0; + + if (*pQuery == '=') + pQuery++; + + i = 0; + while (*pQuery && *pQuery != '&' && !isspace(*pQuery)) + value_buf[i++] = *pQuery++; + value_buf[i] = 0; + + if (*pQuery == '&') + pQuery++; + + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, DecodeParam(value_buf)); + if (param) + query.append(param); + } + } +} + +void +HttpRequest::ParseCookie(const char* param) +{ + const char* p = param; + + while (p && *p) { + while (isspace(*p)) p++; + + // just ignore reserved attributes + if (*p == '$') { + while (*p && !isspace(*p) && *p != ';') p++; + + if (*p == ';') + p++; + } + + // found a cookie! + else if (isalpha(*p)) { + char name[1024]; + char data[1024]; + + char* d = name; + while (*p && *p != '=') + *d++ = *p++; + *d = 0; + + if (*p == '=') + p++; + + if (*p == '"') + p++; + + d = data; + while (*p && *p != '"' && *p != ';') + *d++ = *p++; + *d = 0; + + if (*p == '"') + p++; + + if (*p == ';') + p++; + + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, data); + if (param) + cookies.append(param); + } + + // this shouldn't happen - abandon the parse + else { + return; + } + } +} + +// +--------------------------------------------------------------------+ + +Text +HttpRequest::GetParam(const char* name) +{ + ListIter iter = query; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) + return p->value; + } + + return Text(); +} + +// +--------------------------------------------------------------------+ + +Text +HttpRequest::GetHeader(const char* name) +{ + ListIter iter = headers; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) + return p->value; + } + + return Text(); +} + +void +HttpRequest::SetHeader(const char* name, const char* value) +{ + ListIter iter = headers; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) { + p->value = value; + return; + } + } + + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + headers.append(param); +} + +void +HttpRequest::AddHeader(const char* name, const char* value) +{ + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + headers.append(param); +} + +// +--------------------------------------------------------------------+ + +Text +HttpRequest::GetCookie(const char* name) +{ + ListIter iter = cookies; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) + return p->value; + } + + return Text(); +} + +void +HttpRequest::SetCookie(const char* name, const char* value) +{ + ListIter iter = cookies; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) { + p->value = value; + return; + } + } + + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + cookies.append(param); +} + +void +HttpRequest::AddCookie(const char* name, const char* value) +{ + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + cookies.append(param); +} + +// +--------------------------------------------------------------------+ + +Text +HttpRequest::DecodeParam(const char* value) +{ + if (!value || !*value) return ""; + + int size = strlen(value); + char val = 0; + char code[4]; + char sbuf[256]; + char* lbuf = 0; + + char* dst = sbuf; + char* p = sbuf; + + if (size > 255) { + lbuf = new(__FILE__,__LINE__) char[size+1]; + dst = lbuf; + p = lbuf; + } + + if (p) { + while (*value) { + switch (*value) { + default: *p++ = *value; break; + case '+': *p++ = ' '; break; + + case '%': + value++; + code[0] = *value++; + code[1] = *value; + code[2] = 0; + + val = (char) strtol(code, 0, 16); + *p++ = val; + break; + } + + value++; + } + + *p = 0; + } + + Text result = dst; + + if (lbuf) + delete [] lbuf; + + return result; +} + +// +--------------------------------------------------------------------+ + +Text +HttpRequest::EncodeParam(const char* value) +{ + if (!value || !*value) return ""; + + int size = strlen(value); + char hex1 = 0; + char hex2 = 0; + + char sbuf[1024]; + char* lbuf = 0; + + char* dst = sbuf; + char* p = sbuf; + + if (size > 255) { + lbuf = new(__FILE__,__LINE__) char[4*size+1]; + dst = lbuf; + p = lbuf; + } + + if (p) { + while (*value) { + switch (*value) { + default: *p++ = *value; break; + case ' ': *p++ = '+'; break; + + case '?': *p++ = '%'; *p++ = '3'; *p++ = 'F'; break; + case '&': *p++ = '%'; *p++ = '2'; *p++ = '6'; break; + case ':': *p++ = '%'; *p++ = '3'; *p++ = 'A'; break; + case '/': *p++ = '%'; *p++ = '2'; *p++ = 'F'; break; + case '\\': *p++ = '%'; *p++ = '5'; *p++ = 'C'; break; + case '%': *p++ = '%'; *p++ = '2'; *p++ = '5'; break; + case '|': *p++ = '%'; *p++ = '7'; *p++ = 'C'; break; + case '<': *p++ = '%'; *p++ = '3'; *p++ = 'C'; break; + case '>': *p++ = '%'; *p++ = '3'; *p++ = 'E'; break; + case '[': *p++ = '%'; *p++ = '5'; *p++ = 'B'; break; + case ']': *p++ = '%'; *p++ = '5'; *p++ = 'D'; break; + case '{': *p++ = '%'; *p++ = '7'; *p++ = 'B'; break; + case '}': *p++ = '%'; *p++ = '7'; *p++ = 'D'; break; + case '"': *p++ = '%'; *p++ = '2'; *p++ = '2'; break; + case '^': *p++ = '%'; *p++ = '5'; *p++ = 'E'; break; + case '`': *p++ = '%'; *p++ = '6'; *p++ = '0'; break; + case '\n': break; + case '\r': break; + case '\t': break; + } + + value++; + } + + *p = 0; + } + + Text result = dst; + + if (lbuf) + delete [] lbuf; + + return result; +} + +// +--------------------------------------------------------------------+ + +HttpRequest::operator Text() +{ + Text response = request_line.data(); + response += "\n"; + + for (int i = 0; i < headers.size(); i++) { + HttpParam* h = headers[i]; + response += h->name; + response += ": "; + response += h->value; + response += "\n"; + } + + for (int i = 0; i < cookies.size(); i++) { + HttpParam* c = cookies[i]; + response += "Cookie: "; + response += c->name; + response += "=\""; + response += c->value; + response += "\"\n"; + } + + response += "Connection: close\n\n"; + response += content; + + return response; +} + +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ + +HttpResponse::HttpResponse(int stat, const char* data) + : status(stat), content(data) +{ } + +HttpResponse::HttpResponse(const char* r) + : status(0), content(r) +{ + if (r && *r) + ParseResponse(r); +} + +HttpResponse::~HttpResponse() +{ + headers.destroy(); + cookies.destroy(); +} + +// +--------------------------------------------------------------------+ + +HttpResponse::operator Text() +{ + Text response; + + switch (status) { + case SC_CONTINUE : response = "HTTP/1.1 100 Continue\n"; break; + case SC_SWITCHING_PROTOCOLS : response = "HTTP/1.1 101 Switching Protocols\n"; break; + + case SC_OK : response = "HTTP/1.1 200 OK\n"; break; + case SC_CREATED : response = "HTTP/1.1 201 Created\n"; break; + case SC_ACCEPTED : response = "HTTP/1.1 202 Accepted\n"; break; + case SC_NON_AUTHORITATIVE : response = "HTTP/1.1 203 Non Authoritative\n"; break; + case SC_NO_CONTENT : response = "HTTP/1.1 204 No Content\n"; break; + case SC_RESET_CONTENT : response = "HTTP/1.1 205 Reset Content\n"; break; + case SC_PARTIAL_CONTENT : response = "HTTP/1.1 206 Partial Content\n"; break; + + case SC_MULTIPLE_CHOICES : response = "HTTP/1.1 300 Multiple Choices\n"; break; + case SC_MOVED_PERMANENTLY : response = "HTTP/1.1 301 Moved Permanently\n"; break; + case SC_FOUND : response = "HTTP/1.1 302 Found\n"; break; + case SC_SEE_OTHER : response = "HTTP/1.1 303 See Other\n"; break; + case SC_NOT_MODIFIED : response = "HTTP/1.1 304 Not Modified\n"; break; + case SC_USE_PROXY : response = "HTTP/1.1 305 Use Proxy\n"; break; + case SC_TEMPORARY_REDIRECT : response = "HTTP/1.1 307 Temporary Redirect\n"; break; + + case SC_BAD_REQUEST : response = "HTTP/1.1 400 Bad Request\n"; break; + case SC_UNAUTHORIZED : response = "HTTP/1.1 401 Unauthorized\n"; break; + case SC_PAYMENT_REQUIRED : response = "HTTP/1.1 402 Payment Required\n"; break; + case SC_FORBIDDEN : response = "HTTP/1.1 403 Forbidden\n"; break; + case SC_NOT_FOUND : response = "HTTP/1.1 404 Not Found\n"; break; + case SC_METHOD_NOT_ALLOWED : response = "HTTP/1.1 405 Method Not Allowed\n"; break; + case SC_NOT_ACCEPTABLE : response = "HTTP/1.1 406 Not Acceptable\n"; break; + case SC_PROXY_AUTH_REQ : response = "HTTP/1.1 407 Proxy Authorization Req\n"; break; + case SC_REQUEST_TIME_OUT : response = "HTTP/1.1 408 Request Timeout\n"; break; + case SC_CONFLICT : response = "HTTP/1.1 409 Conflict\n"; break; + case SC_GONE : response = "HTTP/1.1 410 Gone\n"; break; + case SC_LENGTH_REQUIRED : response = "HTTP/1.1 411 Length Required\n"; break; + + default: + case SC_SERVER_ERROR : response = "HTTP/1.1 500 Internal Server Error\n"; break; + case SC_NOT_IMPLEMENTED : response = "HTTP/1.1 501 Not Implemented\n"; break; + case SC_BAD_GATEWAY : response = "HTTP/1.1 502 Bad Gateway\n"; break; + case SC_SERVICE_UNAVAILABLE : response = "HTTP/1.1 503 Service Unavailable\n"; break; + case SC_GATEWAY_TIMEOUT : response = "HTTP/1.1 504 Gateway Timeout\n"; break; + case SC_VERSION_NOT_SUPPORTED: response = "HTTP/1.1 505 HTTP Version Not Supported\n"; break; + } + + SetHeader("Connection", "close"); + + char buffer[256]; + + if (content.length()) { + sprintf_s(buffer, "%d", content.length()); + SetHeader("Content-Length", buffer); + } + + for (int i = 0; i < cookies.size(); i++) { + HttpParam* cookie = cookies.at(i); + sprintf_s(buffer, "%s=\"%s\"; Version=\"1\"", cookie->name.data(), cookie->value.data()); + + AddHeader("Set-Cookie", buffer); + } + + for (int i = 0; i < headers.size(); i++) { + const HttpParam* p = headers.at(i); + sprintf_s(buffer, "%s: %s\n", p->name.data(), p->value.data()); + response += buffer; + } + + response += "\n"; + response += content; + + return response; +} + +// +--------------------------------------------------------------------+ + +Text +HttpResponse::GetHeader(const char* name) +{ + ListIter iter = headers; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) + return p->value; + } + + return Text(); +} + +void +HttpResponse::SetHeader(const char* name, const char* value) +{ + ListIter iter = headers; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) { + p->value = value; + return; + } + } + + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + headers.append(param); +} + +void +HttpResponse::AddHeader(const char* name, const char* value) +{ + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + headers.append(param); +} + +// +--------------------------------------------------------------------+ + +Text +HttpResponse::GetCookie(const char* name) +{ + ListIter iter = cookies; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) + return p->value; + } + + return Text(); +} + +void +HttpResponse::SetCookie(const char* name, const char* value) +{ + ListIter iter = cookies; + while (++iter) { + HttpParam* p = iter.value(); + + if (p->name == name) { + p->value = value; + return; + } + } + + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + cookies.append(param); +} + +void +HttpResponse::AddCookie(const char* name, const char* value) +{ + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, value); + if (param) + cookies.append(param); +} + +// +--------------------------------------------------------------------+ + +void +HttpResponse::SendRedirect(const char* url) +{ + status = SC_TEMPORARY_REDIRECT; + SetHeader("Location", url); +} + +// +--------------------------------------------------------------------+ + +void +HttpResponse::ParseResponse(Text response) +{ + if (response.length() <= 12 || response.indexOf("HTTP/1.") != 0) + return; + + const char* pStatus = response.data() + 9; + + sscanf_s(pStatus, "%d", &status); + if (!status) return; + + int i = 0; + + // get the headers: + const char* p = response.data(); + while (*p && *p != '\n') + p++; + + if (*p == '\n') p++; + + while (*p && *p != '\r' && *p != '\n') { + char name_buf[1024]; + char value_buf[1024]; + + i = 0; + while (*p && *p != ':') + name_buf[i++] = *p++; + name_buf[i] = 0; + + p++; // skip ':' + while (isspace(*p)) p++; // skip spaces + + i = 0; + while (*p && *p != '\r' && *p != '\n') // read to end of header line + value_buf[i++] = *p++; + value_buf[i] = 0; + + if (!_stricmp(name_buf, "Set-Cookie")) { + ParseCookie(value_buf); + } + else { + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name_buf, value_buf); + if (param) + headers.append(param); + } + + while (*p && *p != '\n') + p++; + + if (*p == '\n') p++; + } + + if (*p == '\n') p++; + content = p; +} + +void +HttpResponse::ParseCookie(const char* param) +{ + const char* p = param; + + while (p && *p) { + while (isspace(*p)) p++; + + // just ignore reserved attributes + if (*p == '$') { + while (*p && !isspace(*p) && *p != ';') p++; + + if (*p == ';') + p++; + } + + // found a cookie! + else if (isalpha(*p)) { + char name[1024]; + char data[1024]; + + char* d = name; + while (*p && *p != '=') + *d++ = *p++; + *d = 0; + + if (*p == '=') + p++; + + if (*p == '"') + p++; + + d = data; + while (*p && *p != '"' && *p != ';') + *d++ = *p++; + *d = 0; + + if (*p == '"') + p++; + + if (*p == ';') + p++; + + // ignore the version attribute + if (_stricmp(name, "version")) { + HttpParam* param = new(__FILE__,__LINE__) HttpParam(name, data); + if (param) + cookies.append(param); + } + } + + // this shouldn't happen - abandon the parse + else { + return; + } + } +} + -- cgit v1.1