1 | /**********************************************************************
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2 | *
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3 | * cgiwrapper.cpp -- windows local library cgiwrapper
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4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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5 | *
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6 | * A component of the Greenstone digital library software
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7 | * from the New Zealand Digital Library Project at the
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8 | * University of Waikato, New Zealand.
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *
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24 | *********************************************************************/
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25 |
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26 | #include "text_t.h"
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27 |
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28 | #include <windows.h>
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29 | #include <string.h>
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30 | #include <stdio.h>
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31 | #include <stdlib.h>
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32 | #include <assert.h>
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33 | #include <direct.h>
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34 | #include "cgiwrapper.h"
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35 | #include "netio.h"
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36 | #include "wincgiutils.h"
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37 | #include "settings.h"
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38 | #include "fileutil.h"
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39 | #include "parse.h"
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40 |
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41 | #include "gsdlconf.h"
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42 | #include "recptconfig.h"
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43 |
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44 | #if defined (GSDL_USE_OBJECTSPACE)
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45 | #include <ospace\std\iostream>
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46 | #include <ospace\std\fstream>
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47 | #elif defined (GSDL_USE_IOS_H)
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48 | #include <iostream.h>
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49 | #include <fstream.h>
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50 | #else
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51 | #include <iostream>
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52 | #include <fstream>
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53 | #endif
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54 |
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55 | #include "receptionist.h"
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56 | #include "nullproto.h"
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57 |
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58 | // actions
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59 | #include "statusaction.h"
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60 | #include "pageaction.h"
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61 | #include "pingaction.h"
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62 | #include "queryaction.h"
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63 | #include "documentaction.h"
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64 | #include "tipaction.h"
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65 | #include "authenaction.h"
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66 | #include "usersaction.h"
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67 | #include "extlinkaction.h"
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68 | #include "collectoraction.h"
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69 | #include "phindaction.h"
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70 | #include "configaction.h"
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71 |
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72 | // browsers
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73 | #include "vlistbrowserclass.h"
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74 | #include "hlistbrowserclass.h"
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75 | #include "datelistbrowserclass.h"
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76 | #include "invbrowserclass.h"
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77 | #include "pagedbrowserclass.h"
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78 | #include "htmlbrowserclass.h"
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79 | #include "phindbrowserclass.h"
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80 |
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81 | // the number of times the library has been accessed
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82 | int libaccessnum = 0;
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83 |
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84 | // used to output the text from receptionist
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85 | class textstreambuf : public streambuf
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86 | {
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87 | public:
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88 | textstreambuf ();
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89 | int sync ();
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90 | int overflow (int ch);
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91 | int underflow () {return EOF;}
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92 |
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93 | void tsbreset() {RInfo=NULL;casostr=NULL;}
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94 | void setrequestinfo (RequestInfoT *theRInfo) {RInfo=theRInfo;}
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95 | void cascadeoutput (ostream *thecasostr) {casostr=thecasostr;}
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96 |
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97 | private:
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98 | RequestInfoT *RInfo;
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99 | ostream *casostr;
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100 | #if !defined (GSDL_USE_IOS_H)
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101 | char buffer[256];
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102 | #endif
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103 | };
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104 |
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105 | textstreambuf::textstreambuf() {
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106 | tsbreset();
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107 | #if !defined (GSDL_USE_IOS_H)
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108 | setp (&buffer[0], &buffer[255]);
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109 | #else
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110 | if (base() == ebuf()) allocate();
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111 | setp (base(), ebuf());
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112 | #endif
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113 | };
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114 |
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115 | int textstreambuf::sync () {
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116 | if ((RInfo != NULL) &&
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117 | (Send_String_N(pbase(), pptr()-pbase(), RInfo) < 0)) {
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118 | RInfo = NULL;
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119 | }
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120 |
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121 | if (casostr != NULL) {
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122 | char *thepbase=pbase();
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123 | for (int i=0;i<(pptr()-pbase());++i) (*casostr).put(thepbase[i]);
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124 | }
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125 |
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126 | setp (pbase(), epptr());
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127 |
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128 | return 0;
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129 | }
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130 |
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131 | int textstreambuf::overflow (int ch) {
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132 | if (sync () == EOF) return EOF;
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133 | if (ch != EOF) sputc (ch);
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134 | return 0;
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135 | }
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136 |
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137 |
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138 | // used to output all the log and error messages
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139 | // from receptionist
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140 | class logstreambuf : public streambuf
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141 | {
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142 | public:
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143 | logstreambuf ();
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144 | int sync ();
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145 | int overflow (int ch);
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146 | int underflow () {return EOF;}
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147 |
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148 | #if !defined (GSDL_USE_IOS_H)
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149 | private:
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150 | char buffer[256];
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151 | #endif
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152 | };
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153 |
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154 | logstreambuf::logstreambuf () {
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155 | #if !defined (GSDL_USE_IOS_H)
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156 | setp (&buffer[0], &buffer[255]);
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157 | #else
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158 | if (base() == ebuf()) allocate();
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159 | setp (base(), ebuf());
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160 | #endif
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161 | }
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162 |
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163 | int logstreambuf::sync () {
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164 | if (gsdl_keep_log || gsdl_show_console) {
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165 | log_message ("LOCAL LIB MESSAGE: ");
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166 | log_message_N (pbase(), pptr()-pbase());
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167 | }
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168 |
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169 | setp (pbase(), epptr());
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170 | return 0;
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171 | }
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172 |
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173 | int logstreambuf::overflow (int ch) {
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174 | if (sync () == EOF) return EOF;
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175 | if (ch != EOF) sputc (ch);
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176 | return 0;
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177 | }
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178 |
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179 | static void page_errormaincfg (const text_t &gsdlhome, const text_t &collection) {
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180 |
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181 | if (collection.empty()) {
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182 | text_t message = "Error\n\n"
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183 | "The main.cfg configuration file could not be found. This file\n"
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184 | "should contain configuration information relating to the\n"
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185 | "setup of the interface. As this program is not being run\n"
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186 | "in collection specific mode the file should reside at\n" +
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187 | gsdlhome + "\\etc\\main.cfg.\n";
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188 |
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189 | MessageBox(NULL, message.getcstr(),
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190 | "Greenstone Digital Library Software"
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191 | ,MB_OK|MB_SYSTEMMODAL);
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192 | } else {
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193 | text_t message = "Neither the collect.cfg or main.cfg configuration files could\n"
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194 | "be found. This file should contain configuration information\n"
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195 | "relating to the setup of the interface. As this cgi script is\n"
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196 | "being run in collection specific mode the file should reside\n"
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197 | "at either " + gsdlhome + "\\collect\\" + collection + "\\etc\\collect.cfg,\n" +
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198 | gsdlhome + "\\etc\\collect.cfg or " + gsdlhome + "\\etc\\main.cfg.\n";
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199 |
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200 | MessageBox(NULL, message.getcstr(),
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201 | "Greenstone Digital Library Software"
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202 | ,MB_OK|MB_SYSTEMMODAL);
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203 | }
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204 | }
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205 |
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206 | static void page_errorinit (const text_t &/*gsdlhome*/) {
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207 |
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208 | text_t message = "Error\n\n"
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209 | "An error occurred during the initialisation of the Greenstone Digital\n"
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210 | "Library software. It is likely that the software has not been setup\n"
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211 | "correctly.\n";
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212 |
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213 | MessageBox(NULL, message.getcstr(),
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214 | "Greenstone Digital Library Software"
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215 | ,MB_OK|MB_SYSTEMMODAL);
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216 | }
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217 |
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218 | static void page_errorparseargs (const text_t &/*gsdlhome*/) {
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219 |
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220 | text_t message = "Error\n\n"
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221 | "An error occurred during the parsing of the cgi arguments.\n";
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222 |
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223 | MessageBox(NULL, message.getcstr(),
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224 | "Greenstone Digital Library Software"
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225 | ,MB_OK|MB_SYSTEMMODAL);
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226 | }
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227 |
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228 | static void page_errorcgipage (const text_t &/*gsdlhome*/) {
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229 |
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230 | text_t message = "Error\n\n"
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231 | "An error occurred during the construction of the cgi page.\n";
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232 |
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233 | MessageBox(NULL, message.getcstr(),
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234 | "Greenstone Digital Library Software"
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235 | ,MB_OK|MB_SYSTEMMODAL);
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236 | }
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237 |
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238 | // returns 0 if the directories can't be found
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239 | // and the user wants to quit (it returns 1
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240 | // if everything is ok)
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241 | int checkdir (const text_t &thedir) {
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242 | UINT curerrormode;
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243 | int drive = _getdrive();
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244 | char cwd[1024];
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245 | char rootpath[4];
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246 | UINT drivetype;
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247 | char *cstrthedir = thedir.getcstr();
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248 | int returnvalue = 1;
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249 |
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250 | // make sure no rude error messages are presented to the user
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251 | curerrormode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
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252 |
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253 | // get the drive name
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254 | if (thedir.size() >= 2 && thedir[1] == ':') {
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255 | if (thedir[0] >= 'a' && thedir[0] <= 'z') {
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256 | drive = thedir[0] - 'a' + 1;
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257 |
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258 | } else if (thedir[0] >= 'A' && thedir[0] <= 'Z') {
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259 | drive = thedir[0] - 'A' + 1;
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260 | }
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261 | }
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262 |
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263 | // find the drive type
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264 | rootpath[0] = drive + 'A' - 1;
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265 | rootpath[1] = ':';
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266 | rootpath[2] = '\\';
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267 | rootpath[3] = '\0';
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268 | drivetype = GetDriveType (rootpath);
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269 |
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270 | // try and set this directory to be the current working
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271 | // directory
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272 | _getcwd(cwd, 1024);
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273 | while (_chdir(cstrthedir) != 0) {
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274 | // failed
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275 | if (drivetype == DRIVE_CDROM) {
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276 | // message to insert the cdrom
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277 | if (MessageBox (NULL,
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278 | "Please insert the Greenstone Digital Library\n"
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279 | "CD-ROM into the CD-ROM drive and press 'OK'.\n\n"
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280 | "If you don't have the CD-ROM press 'Cancel' to exit\n"
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281 | "this program.", "Greenstone Digital Library Software",
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282 | MB_OKCANCEL | MB_TASKMODAL) == IDCANCEL) {
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283 |
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284 | returnvalue = 0;
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285 | break;
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286 | }
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287 |
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288 | } else {
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289 | // message saying that the system was unable
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290 | // to find a certain directory
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291 | text_t message = "Failed to find the directory:\n\n" + thedir;
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292 | message += "\n\n"
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293 | "This directory is needed for the successful operation\n"
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294 | "of this software. Make sure it hasn't been deleted or\n"
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295 | "moved, and restart the software. You may need to\n"
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296 | "reinstall this software to correct the problem.";
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297 | char *cstrmessage = message.getcstr();
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298 |
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299 | MessageBox (NULL, cstrmessage, "Greenstone Digital Library Software",
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300 | MB_OK | MB_TASKMODAL);
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301 |
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302 | delete []cstrmessage;
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303 |
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304 | returnvalue = 0;
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305 | break;
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306 | }
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307 | }
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308 |
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309 | // revert to the previous error and cwd states
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310 | _chdir(cwd);
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311 | SetErrorMode(curerrormode);
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312 |
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313 | // free the allocated C string
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314 | delete []cstrthedir;
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315 |
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316 | return returnvalue;
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317 | }
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318 |
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319 |
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320 | // c-string version of checkdir for the outside
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321 | // world
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322 | int cstrcheckdir (char *cstrthedir) {
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323 | return checkdir (cstrthedir);
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324 | }
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325 |
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326 |
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327 | receptionist recpt;
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328 | nullproto nproto;
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329 | collectset *cservers = NULL;
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330 |
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331 | textstreambuf textstream;
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332 | logstreambuf logstream;
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333 | DWORD lastlibaccesstime;
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334 | DWORD baseavailvirtual;
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335 | text_t current_gsdlhome;
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336 | colinfo_tmap translated_collectinfo;
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337 |
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338 | statusaction *astatusaction = NULL;
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339 | pageaction *apageaction = NULL;
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340 | pingaction *apingaction = NULL;
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341 | tipaction *atipaction = NULL;
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342 | queryaction *aqueryaction = NULL;
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343 | documentaction *adocumentaction = NULL;
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344 | usersaction *ausersaction = NULL;
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345 | extlinkaction *anextlinkaction = NULL;
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346 | collectoraction *acollectoraction = NULL;
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347 | authenaction *aauthenaction = NULL;
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348 | phindaction *aphindaction = NULL;
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349 | configaction *aconfigaction = NULL;
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350 | vlistbrowserclass *avlistbrowserclass = NULL;
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351 | hlistbrowserclass *ahlistbrowserclass = NULL;
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352 | datelistbrowserclass *adatelistbrowserclass = NULL;
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353 | invbrowserclass *ainvbrowserclass = NULL;
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354 | pagedbrowserclass *apagedbrowserclass = NULL;
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355 | htmlbrowserclass *ahtmlbrowserclass = NULL;
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356 | phindbrowserclass *aphindbrowserclass = NULL;
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357 |
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358 | // returns 1 if successful, 0 if unsuccessful (note that as well as being
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359 | // called when the server first starts up this function is called when the
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360 | // "restart library" button is pressed)
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361 | int gsdl_init (bool atStartup) {
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362 |
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363 | if (atStartup) {
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364 | #if defined (GSDL_USE_IOS_H)
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365 | cerr = &logstream;
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366 | cout = &textstream;
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367 | #else
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368 | cerr.rdbuf(&logstream);
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369 | cout.rdbuf(&textstream);
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370 | #endif
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371 | }
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372 |
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373 | // collection should be set to "" unless in collection specific mode -
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374 | // changing this to the name of the collection should be all that's
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375 | // required to create a collection specific receptionist
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376 | text_t collection = "";
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377 | text_tset gdbmhomes;
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378 | text_tset collections;
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379 |
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380 | if (atStartup) {
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381 | // note the current time
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382 | lastlibaccesstime = GetTickCount();
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383 |
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384 | // before we do the init we should make sure
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385 | // that we can find the relevant directories
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386 | if (!checkdir (gsdl_gsdlhome + "\\")) return 0;
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387 | if (!checkdir (gsdl_gsdlhome + "\\macros\\")) return 0;
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388 | }
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389 |
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390 | // deleting cservers clears all the collection servers
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391 | if (cservers != NULL) delete cservers;
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392 |
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393 | cservers = new collectset();
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394 |
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395 | // get all collections from each gsdlhome (this relies
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396 | // on there not being more than one collection with the same
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397 | // name)
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398 | if (!collection.empty()) {
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399 | // collection specific receptionist - one collection, one gsdlhome
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400 | collections.insert (collection);
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401 | gdbmhomes.insert (gsdl_gdbmhome);
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402 | collectioninfo_t tmp;
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403 | tmp.gsdl_gsdlhome = gsdl_gsdlhome;
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404 | tmp.gsdl_gdbmhome = gsdl_gdbmhome;
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405 | translated_collectinfo[collection] = tmp;
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406 |
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407 | } else {
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408 |
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409 | text_tset::const_iterator colhere;
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410 | text_tset::const_iterator colend;
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411 | text_tset these_collections;
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412 |
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413 | // first volume gsdlhome's
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414 | colinfo_tmap::const_iterator this_info = gsdl_collectinfo.begin();
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415 | colinfo_tmap::const_iterator end_info = gsdl_collectinfo.end();
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416 | while (this_info != end_info) {
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417 | if (gdbmhomes.find ((*this_info).second.gsdl_gdbmhome) == gdbmhomes.end()) {
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418 | these_collections.erase (these_collections.begin(), these_collections.end());
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419 | read_dir (filename_cat ((*this_info).second.gsdl_gsdlhome, "collect"), these_collections);
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420 | colhere = these_collections.begin();
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421 | colend = these_collections.end();
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422 | while (colhere != colend) {
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423 | if ((collections.find (*colhere)) == collections.end()) {
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424 | // make sure the build.cfg file is at gsdlhome (as it's possible that
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425 | // the collection appears at this gsdlhome only because it's gdbm
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426 | // file is installed here -- it's real gdbm will therefore be
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427 | // somewhere else).
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428 | text_t build_cfg = filename_cat ((*this_info).second.gsdl_gsdlhome, "collect",
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429 | *colhere, "index", "build.cfg");
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430 | if (file_exists (build_cfg)) {
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431 | collections.insert (*colhere);
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432 |
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433 | // since gsdl_collectinfo keys will be stuff like collection#1
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434 | // for a multiple volume collection we want to translate it
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435 | // so that the keys are the actual collection names
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436 | translated_collectinfo[*colhere] = (*this_info).second;
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437 | }
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438 | }
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439 | ++colhere;
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440 | }
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441 | gdbmhomes.insert ((*this_info).second.gsdl_gdbmhome);
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442 | }
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443 | ++this_info;
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444 | }
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445 |
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446 | // then if necessary the main gdbmhome (this should only happen if the
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447 | // gsdl.ini is a little screwed up and no volume gdbmhomes occurred)
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448 | if (gdbmhomes.find (gsdl_gdbmhome) == gdbmhomes.end()) {
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449 | these_collections.erase (these_collections.begin(), these_collections.end());
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450 | read_dir (filename_cat (gsdl_gdbmhome, "collect"), these_collections);
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451 | colhere = these_collections.begin();
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452 | colend = these_collections.end();
|
---|
453 | while (colhere != colend) {
|
---|
454 | collections.insert (*colhere);
|
---|
455 | collectioninfo_t tmp;
|
---|
456 | tmp.gsdl_gsdlhome = gsdl_gsdlhome;
|
---|
457 | tmp.gsdl_gdbmhome = gsdl_gdbmhome;
|
---|
458 | translated_collectinfo[*colhere] = tmp;
|
---|
459 | ++colhere;
|
---|
460 | }
|
---|
461 | gdbmhomes.insert (gsdl_gdbmhome);
|
---|
462 | }
|
---|
463 | }
|
---|
464 |
|
---|
465 | text_tset::const_iterator thiscol = collections.begin();
|
---|
466 | text_tset::const_iterator endcol = collections.end();
|
---|
467 |
|
---|
468 | while (thiscol != endcol) {
|
---|
469 |
|
---|
470 | // ignore the modelcol
|
---|
471 | if (*thiscol == "modelcol") {
|
---|
472 | ++thiscol;
|
---|
473 | continue;
|
---|
474 | }
|
---|
475 |
|
---|
476 | // create collection server and add to null protocol
|
---|
477 | text_t this_gsdlhome = gsdl_gsdlhome;
|
---|
478 | text_t this_gdbmhome = gsdl_gdbmhome;
|
---|
479 | colinfo_tmap::const_iterator it = translated_collectinfo.find (*thiscol);
|
---|
480 | assert (it != translated_collectinfo.end());
|
---|
481 | this_gsdlhome = (*it).second.gsdl_gsdlhome;
|
---|
482 | this_gdbmhome = (*it).second.gsdl_gdbmhome;
|
---|
483 |
|
---|
484 | cservers->add_collection (*thiscol, this_gsdlhome);
|
---|
485 |
|
---|
486 | ++thiscol;
|
---|
487 | }
|
---|
488 |
|
---|
489 | // set up the null protocol
|
---|
490 | nproto.set_collectset(cservers);
|
---|
491 |
|
---|
492 | // add the protocol to the receptionist
|
---|
493 | if (atStartup) recpt.add_protocol (&nproto);
|
---|
494 |
|
---|
495 | // the list of actions.
|
---|
496 | if (astatusaction == NULL) {
|
---|
497 | astatusaction = new statusaction();
|
---|
498 | astatusaction->set_receptionist (&recpt);
|
---|
499 | recpt.add_action (astatusaction);
|
---|
500 | }
|
---|
501 |
|
---|
502 | if (apageaction == NULL) {
|
---|
503 | apageaction = new pageaction();
|
---|
504 | apageaction->set_receptionist (&recpt);
|
---|
505 | recpt.add_action (apageaction);
|
---|
506 | }
|
---|
507 |
|
---|
508 | if (apingaction == NULL) {
|
---|
509 | apingaction = new pingaction();
|
---|
510 | recpt.add_action (apingaction);
|
---|
511 | }
|
---|
512 |
|
---|
513 | if (atipaction == NULL) {
|
---|
514 | atipaction = new tipaction();
|
---|
515 | recpt.add_action (atipaction);
|
---|
516 | }
|
---|
517 |
|
---|
518 | if (aqueryaction == NULL) {
|
---|
519 | aqueryaction = new queryaction();
|
---|
520 | aqueryaction->set_receptionist (&recpt);
|
---|
521 | recpt.add_action (aqueryaction);
|
---|
522 | }
|
---|
523 |
|
---|
524 | if (adocumentaction == NULL) {
|
---|
525 | adocumentaction = new documentaction();
|
---|
526 | adocumentaction->set_receptionist (&recpt);
|
---|
527 | recpt.add_action (adocumentaction);
|
---|
528 | }
|
---|
529 |
|
---|
530 | if (ausersaction == NULL) {
|
---|
531 | ausersaction = new usersaction();
|
---|
532 | recpt.add_action (ausersaction);
|
---|
533 | }
|
---|
534 |
|
---|
535 | if (anextlinkaction == NULL) {
|
---|
536 | anextlinkaction = new extlinkaction();
|
---|
537 | recpt.add_action (anextlinkaction);
|
---|
538 | }
|
---|
539 |
|
---|
540 | if (acollectoraction == NULL) {
|
---|
541 | acollectoraction = new collectoraction();
|
---|
542 | acollectoraction->set_receptionist (&recpt);
|
---|
543 | recpt.add_action (acollectoraction);
|
---|
544 | }
|
---|
545 |
|
---|
546 | if (aauthenaction == NULL) {
|
---|
547 | aauthenaction = new authenaction();
|
---|
548 | aauthenaction->set_receptionist(&recpt);
|
---|
549 | recpt.add_action (aauthenaction);
|
---|
550 | }
|
---|
551 |
|
---|
552 | if (aphindaction == NULL) {
|
---|
553 | aphindaction = new phindaction();
|
---|
554 | recpt.add_action (aphindaction);
|
---|
555 | }
|
---|
556 |
|
---|
557 | if (aconfigaction == NULL) {
|
---|
558 | aconfigaction = new configaction();
|
---|
559 | aconfigaction->set_receptionist(&recpt);
|
---|
560 | recpt.add_action (aconfigaction);
|
---|
561 | }
|
---|
562 |
|
---|
563 |
|
---|
564 | // list of browsers
|
---|
565 | if (avlistbrowserclass == NULL) {
|
---|
566 | avlistbrowserclass = new vlistbrowserclass();
|
---|
567 | recpt.add_browser (avlistbrowserclass);
|
---|
568 | recpt.setdefaultbrowser ("VList");
|
---|
569 | }
|
---|
570 |
|
---|
571 | if (ahlistbrowserclass == NULL) {
|
---|
572 | ahlistbrowserclass = new hlistbrowserclass();
|
---|
573 | recpt.add_browser (ahlistbrowserclass);
|
---|
574 | }
|
---|
575 |
|
---|
576 | if (adatelistbrowserclass == NULL) {
|
---|
577 | adatelistbrowserclass = new datelistbrowserclass();
|
---|
578 | recpt.add_browser (adatelistbrowserclass);
|
---|
579 | }
|
---|
580 |
|
---|
581 | if (ainvbrowserclass == NULL) {
|
---|
582 | ainvbrowserclass = new invbrowserclass();
|
---|
583 | recpt.add_browser (ainvbrowserclass);
|
---|
584 | }
|
---|
585 |
|
---|
586 | if (apagedbrowserclass == NULL) {
|
---|
587 | apagedbrowserclass = new pagedbrowserclass();
|
---|
588 | recpt.add_browser (apagedbrowserclass);
|
---|
589 | }
|
---|
590 |
|
---|
591 | if (ahtmlbrowserclass == NULL) {
|
---|
592 | ahtmlbrowserclass = new htmlbrowserclass();
|
---|
593 | recpt.add_browser (ahtmlbrowserclass);
|
---|
594 | }
|
---|
595 |
|
---|
596 | if (aphindbrowserclass == NULL) {
|
---|
597 | aphindbrowserclass = new phindbrowserclass();;
|
---|
598 | recpt.add_browser (aphindbrowserclass);
|
---|
599 | }
|
---|
600 |
|
---|
601 | // set defaults
|
---|
602 | recpt.configure ("gsdlhome", gsdl_gsdlhome);
|
---|
603 | recpt.configure ("gdbmhome", gsdl_gdbmhome);
|
---|
604 | recpt.configure ("collection", collection);
|
---|
605 |
|
---|
606 | int maxrequests = 1;
|
---|
607 |
|
---|
608 | // configure collections (and receptionist) with collectinfo stuff
|
---|
609 | // different from the default
|
---|
610 | colinfo_tmap::const_iterator this_info = translated_collectinfo.begin();
|
---|
611 | colinfo_tmap::const_iterator end_info = translated_collectinfo.end();
|
---|
612 |
|
---|
613 | while (this_info != end_info) {
|
---|
614 | text_tarray tmpconf;
|
---|
615 | tmpconf.push_back ((*this_info).first);
|
---|
616 | tmpconf.push_back ((*this_info).second.gsdl_gsdlhome);
|
---|
617 | tmpconf.push_back ((*this_info).second.gsdl_gdbmhome);
|
---|
618 | recpt.configure ("collectinfo", tmpconf);
|
---|
619 | ++this_info;
|
---|
620 | }
|
---|
621 |
|
---|
622 | // read in config files of each gdbmhome (in no particular order)
|
---|
623 | // those read in last will override those read earlier
|
---|
624 | // collections being used together in this way should be
|
---|
625 | // careful not to have main.cfg files that might
|
---|
626 | // screw with each other.
|
---|
627 | text_tset::const_iterator thome = gdbmhomes.begin();
|
---|
628 | text_tset::const_iterator ehome = gdbmhomes.end();
|
---|
629 | while (thome != ehome) {
|
---|
630 | if (!main_cfg_read (recpt, *thome, collection)) {
|
---|
631 | // couldn't find the main configuration file
|
---|
632 | page_errormaincfg (*thome, collection);
|
---|
633 | return 0;
|
---|
634 | }
|
---|
635 | ++thome;
|
---|
636 | }
|
---|
637 |
|
---|
638 | // w32server relies on gwcgi being set to "gsdl"
|
---|
639 | recpt.configure ("gwcgi", "gsdl");
|
---|
640 |
|
---|
641 | // initialise the library software
|
---|
642 | if (!recpt.init(cerr)) {
|
---|
643 | // an error occurred during the initialisation
|
---|
644 | page_errorinit(gsdl_gsdlhome);
|
---|
645 | return 0;
|
---|
646 | }
|
---|
647 |
|
---|
648 | // get memory information
|
---|
649 | MEMORYSTATUS memstatus;
|
---|
650 | memstatus.dwLength = sizeof(MEMORYSTATUS);
|
---|
651 | GlobalMemoryStatus(&memstatus);
|
---|
652 | baseavailvirtual = memstatus.dwAvailVirtual; // save for later comparison
|
---|
653 |
|
---|
654 | return 1;
|
---|
655 | }
|
---|
656 |
|
---|
657 |
|
---|
658 | static void rememberpref (const text_t &tailstr) {
|
---|
659 | gsdl_enterlib = tailstr;
|
---|
660 | }
|
---|
661 |
|
---|
662 |
|
---|
663 | static void send_file_from_disk(text_t filename,
|
---|
664 | RequestInfoT *RInfo,
|
---|
665 | RequestFieldsT *RFields) {
|
---|
666 |
|
---|
667 | // select appropriate mime type from file extension
|
---|
668 | text_t ext;
|
---|
669 | text_t::const_iterator end = filename.end();
|
---|
670 | text_t::const_iterator it = filename.begin();
|
---|
671 | text_t::const_iterator lastdot = end;
|
---|
672 | while ((it = findchar(it, end, '.')) != end) {
|
---|
673 | lastdot = it;
|
---|
674 | ++it;
|
---|
675 | }
|
---|
676 | if (lastdot < end) ext = substr(lastdot+1, end);
|
---|
677 |
|
---|
678 | text_t mime = "unknown";
|
---|
679 | int len = ext.size();
|
---|
680 | if (len == 2) {
|
---|
681 | if ((ext[0] == 'p' || ext[0] == 'P') &&
|
---|
682 | (ext[1] == 's' || ext[1] == 'S'))
|
---|
683 | mime = "application/postscript";
|
---|
684 | } else if (len == 3) {
|
---|
685 | if ((ext[0] == 'g' || ext[0] == 'G') &&
|
---|
686 | (ext[1] == 'i' || ext[1] == 'I') &&
|
---|
687 | (ext[2] == 'f' || ext[2] == 'F')) {
|
---|
688 | mime = "image/gif";
|
---|
689 | } else if ((ext[0] == 'j' || ext[0] == 'J') &&
|
---|
690 | (ext[1] == 'p' || ext[1] == 'P') &&
|
---|
691 | (ext[2] == 'g' || ext[2] == 'G')) {
|
---|
692 | mime = "image/jpeg";
|
---|
693 | } else if ((ext[0] == 'h' || ext[0] == 'H') &&
|
---|
694 | (ext[1] == 't' || ext[1] == 'T') &&
|
---|
695 | (ext[2] == 'm' || ext[2] == 'M')) {
|
---|
696 | mime = "text/html";
|
---|
697 | } else if ((ext[0] == 'p' || ext[0] == 'P') &&
|
---|
698 | (ext[1] == 'd' || ext[1] == 'D') &&
|
---|
699 | (ext[2] == 'f' || ext[2] == 'F')) {
|
---|
700 | mime = "application/pdf";
|
---|
701 | } else if ((ext[0] == 'p' || ext[0] == 'P') &&
|
---|
702 | (ext[1] == 'n' || ext[1] == 'N') &&
|
---|
703 | (ext[2] == 'g' || ext[2] == 'G')) {
|
---|
704 | mime = "image/png";
|
---|
705 | } else if ((ext[0] == 'd' || ext[0] == 'D') &&
|
---|
706 | (ext[1] == 'o' || ext[1] == 'O') &&
|
---|
707 | (ext[2] == 'c' || ext[2] == 'C')) {
|
---|
708 | mime = "application/msword";
|
---|
709 | } else if ((ext[0] == 'r' || ext[0] == 'R') &&
|
---|
710 | (ext[1] == 't' || ext[1] == 'T') &&
|
---|
711 | (ext[2] == 'f' || ext[2] == 'F')) {
|
---|
712 | mime = "application/rtf";
|
---|
713 | } else if ((ext[0] == 'x' || ext[0] == 'X') &&
|
---|
714 | (ext[1] == 'l' || ext[1] == 'L') &&
|
---|
715 | (ext[2] == 's' || ext[2] == 'S')) {
|
---|
716 | mime = "application/vnd.ms-excel";
|
---|
717 | } else if ((ext[0] == 'p' || ext[0] == 'P') &&
|
---|
718 | (ext[1] == 'p' || ext[1] == 'P') &&
|
---|
719 | (ext[2] == 'T' || ext[2] == 'T')) {
|
---|
720 | mime = "application/vnd.ms-powerpoint";
|
---|
721 | } else if ((ext[0] == 'm' || ext[0] == 'M') &&
|
---|
722 | (ext[1] == 'p' || ext[1] == 'P') &&
|
---|
723 | (ext[2] == '3')) {
|
---|
724 | mime = "audio/mpeg";
|
---|
725 | }
|
---|
726 | } else if (len == 4) {
|
---|
727 | if ((ext[0] == 'j' || ext[0] == 'J') &&
|
---|
728 | (ext[1] == 'p' || ext[1] == 'P') &&
|
---|
729 | (ext[2] == 'e' || ext[2] == 'E') &&
|
---|
730 | (ext[3] == 'g' || ext[3] == 'G')) {
|
---|
731 | mime = "image/jpeg";
|
---|
732 | } else if ((ext[0] == 'h' || ext[0] == 'H') &&
|
---|
733 | (ext[1] == 't' || ext[1] == 'T') &&
|
---|
734 | (ext[2] == 'm' || ext[2] == 'M') &&
|
---|
735 | (ext[3] == 'l' || ext[3] == 'L')) {
|
---|
736 | mime = "text/html";
|
---|
737 | }
|
---|
738 | }
|
---|
739 |
|
---|
740 | // try to open the file
|
---|
741 | filename = filename_cat (current_gsdlhome, filename);
|
---|
742 | /* Feb 2002 - handle files with spaces in their name. */
|
---|
743 | text_t::iterator space_start;
|
---|
744 | space_start=findword(filename.begin(),filename.end(),"%20");
|
---|
745 | while (space_start != filename.end()) {
|
---|
746 | // we found a space...
|
---|
747 | text_t::iterator after_space=space_start+3;
|
---|
748 | text_t new_filename=substr(filename.begin(), space_start);
|
---|
749 | new_filename += " ";
|
---|
750 | new_filename += substr(after_space,filename.end());
|
---|
751 | filename=new_filename;
|
---|
752 | space_start=findword(filename.begin(),filename.end(),"%20");
|
---|
753 | }
|
---|
754 |
|
---|
755 | char *filenamec = filename.getcstr();
|
---|
756 | TranslateEscapeString(filenamec); // Resolve any %xx values
|
---|
757 | FILE *thefile = fopen(filenamec, "rb");
|
---|
758 | delete []filenamec;
|
---|
759 | if (thefile == NULL) {
|
---|
760 | log_message("file not found\n");
|
---|
761 | send_retrieve_error(404, "File not found",
|
---|
762 | "Could not find the local file requested", RInfo);
|
---|
763 | return;
|
---|
764 | }
|
---|
765 | int nr;
|
---|
766 | char buffer[2048];
|
---|
767 | // send back required information
|
---|
768 | char *mimec = mime.getcstr();
|
---|
769 | if (send_header(mimec, RInfo) >= 0) {
|
---|
770 | if (RFields->MethodStr != "HEAD") {
|
---|
771 | for (;;) {
|
---|
772 | nr = fread(buffer, 1, 2048, thefile);
|
---|
773 | if (nr <= 0) break;
|
---|
774 | if (SendData(RInfo->ClientSocket,
|
---|
775 | (BYTE *)buffer, nr,
|
---|
776 | RInfo->ThreadNum) < 0) break;
|
---|
777 | }
|
---|
778 | }
|
---|
779 | }
|
---|
780 | delete []mimec;
|
---|
781 | fclose(thefile);
|
---|
782 | }
|
---|
783 |
|
---|
784 | static void handle_library_request(const text_t &argstr, RequestInfoT *RInfo,
|
---|
785 | RequestFieldsT *RequestFields) {
|
---|
786 |
|
---|
787 | // parse the cgi arguments and produce the resulting page if there
|
---|
788 | // have been no errors so far
|
---|
789 | cgiargsclass args;
|
---|
790 | fileupload_tmap fileuploads;
|
---|
791 | text_tmap empty; // don't use this (it's for fastcgi on unix)
|
---|
792 | if (!recpt.parse_cgi_args (argstr, fileuploads, args, cerr, empty)) {
|
---|
793 | page_errorparseargs(gsdl_gsdlhome);
|
---|
794 | return;
|
---|
795 | }
|
---|
796 |
|
---|
797 | colinfo_tmap::const_iterator it = translated_collectinfo.find (args["c"]);
|
---|
798 | if (it != translated_collectinfo.end()) {
|
---|
799 | current_gsdlhome = (*it).second.gsdl_gsdlhome;
|
---|
800 | } else {
|
---|
801 | current_gsdlhome = gsdl_gsdlhome;
|
---|
802 | }
|
---|
803 |
|
---|
804 | // produce cgi header
|
---|
805 | response_t response;
|
---|
806 | text_t response_data;
|
---|
807 |
|
---|
808 | recpt.get_cgihead_info (args, response, response_data, cerr, empty);
|
---|
809 |
|
---|
810 | if (response == location) {
|
---|
811 | // location response
|
---|
812 | response_data = "@" + recpt.expandmacros (response_data, args, cerr);
|
---|
813 | char *response_data_c = response_data.getcstr();
|
---|
814 | send_header(response_data_c, RInfo);
|
---|
815 | delete []response_data_c;
|
---|
816 | return;
|
---|
817 | } else if (response == content) {
|
---|
818 | // content response
|
---|
819 | char *response_data_c = response_data.getcstr();
|
---|
820 | if (send_header(response_data_c, RInfo) < 0) {
|
---|
821 | delete []response_data_c;
|
---|
822 | return;
|
---|
823 | }
|
---|
824 | delete []response_data_c;
|
---|
825 | }
|
---|
826 | else if (response == undecided_location) {
|
---|
827 | // We know this is a relocation request but at the moment we don't know exactly where to
|
---|
828 | // Just output the start of the header and wait until later to output the target location
|
---|
829 | // Used for the "I'm feeling lucky" functionality
|
---|
830 | cout << "HTTP/1.0 302 Relocation\r\n";
|
---|
831 | cout << "Server: GSDL\r\n";
|
---|
832 | cout << "Content-type: text/html \r\n";
|
---|
833 | }
|
---|
834 | else {
|
---|
835 | // unknown response
|
---|
836 | cerr << "Error: get_cgihead_info returned an unknown response type.\n";
|
---|
837 | return;
|
---|
838 | }
|
---|
839 |
|
---|
840 | textstream.tsbreset();
|
---|
841 | textstream.setrequestinfo (RInfo);
|
---|
842 | if (!recpt.produce_content (args, cout, cerr)) {
|
---|
843 | page_errorcgipage(gsdl_gsdlhome);
|
---|
844 | return;
|
---|
845 | }
|
---|
846 | recpt.log_cgi_args (args, cerr, empty);
|
---|
847 |
|
---|
848 | cout << flush;
|
---|
849 | cerr << flush;
|
---|
850 |
|
---|
851 | ++libaccessnum;
|
---|
852 | }
|
---|
853 |
|
---|
854 | static void handle_server_request(text_t &tailstr,
|
---|
855 | RequestInfoT *RequestInfo,
|
---|
856 | RequestFieldsT *RequestFields) {
|
---|
857 |
|
---|
858 | text_t argstr;
|
---|
859 |
|
---|
860 | // do any url adjustments necessary
|
---|
861 | if (tailstr.empty() || tailstr == "/") {
|
---|
862 | tailstr = "/gsdl";
|
---|
863 | }
|
---|
864 |
|
---|
865 | text_t::const_iterator begin = tailstr.begin();
|
---|
866 | text_t::const_iterator end = tailstr.end();
|
---|
867 |
|
---|
868 | // test to see if this is a library request or a local
|
---|
869 | // file request
|
---|
870 | if ((tailstr == "/gsdl") ||
|
---|
871 | ((tailstr.size() > 5) && (substr(begin, begin+6) == "/gsdl?"))) {
|
---|
872 |
|
---|
873 | // library request
|
---|
874 |
|
---|
875 | // argstr is the bit after the '?'
|
---|
876 | if (tailstr != "/gsdl") {
|
---|
877 | argstr = substr(begin+6, end);
|
---|
878 | }
|
---|
879 |
|
---|
880 | // log the difference in access times
|
---|
881 | DWORD thislibaccesstime = GetTickCount();
|
---|
882 | if (gsdl_keep_log || gsdl_show_console) {
|
---|
883 | char logstr[256];
|
---|
884 | sprintf(logstr, "DELTA LIB ACCESS TIME: %i\n", (int)(thislibaccesstime - lastlibaccesstime));
|
---|
885 | log_message (logstr);
|
---|
886 | }
|
---|
887 | lastlibaccesstime = thislibaccesstime;
|
---|
888 |
|
---|
889 | // log this request
|
---|
890 | if (gsdl_keep_log || gsdl_show_console) {
|
---|
891 | text_t logstr = "LOCAL LIB: " + tailstr + "\n";
|
---|
892 | char *logstrc = logstr.getcstr();
|
---|
893 | log_message (logstrc);
|
---|
894 | delete []logstrc;
|
---|
895 | }
|
---|
896 |
|
---|
897 | handle_library_request (argstr, RequestInfo, RequestFields);
|
---|
898 |
|
---|
899 | // remember the preferences
|
---|
900 | // rememberpref (tailstr);
|
---|
901 |
|
---|
902 | // log memory information
|
---|
903 | if (gsdl_keep_log || gsdl_show_console) {
|
---|
904 | MEMORYSTATUS memstatus;
|
---|
905 | memstatus.dwLength = sizeof(MEMORYSTATUS);
|
---|
906 | GlobalMemoryStatus(&memstatus);
|
---|
907 | char logstr[256];
|
---|
908 | sprintf (logstr, "BDELTA AVAIL VIRTUAL: %i K\n",
|
---|
909 | (int)((baseavailvirtual - memstatus.dwAvailVirtual)/1024));
|
---|
910 | log_message (logstr);
|
---|
911 | }
|
---|
912 |
|
---|
913 | } else {
|
---|
914 | // local file
|
---|
915 | if (gsdl_keep_log || gsdl_show_console) {
|
---|
916 | text_t logstr = "LOCAL FILE: " + tailstr + "\n";
|
---|
917 | char *logstrc = logstr.getcstr();
|
---|
918 | log_message (logstrc);
|
---|
919 | delete []logstrc;
|
---|
920 | }
|
---|
921 | send_file_from_disk (tailstr, RequestInfo, RequestFields);
|
---|
922 | }
|
---|
923 | }
|
---|
924 |
|
---|
925 | int ExamineURIStr(text_t &URIStr, RequestInfoT *RequestInfo,
|
---|
926 | RequestFieldsT *RequestFields)
|
---|
927 | {
|
---|
928 | text_t protocol, machine, rest;
|
---|
929 | int port;
|
---|
930 |
|
---|
931 | if (RequestFields->ContentLength > 0) {
|
---|
932 | // POST data
|
---|
933 | URIStr.push_back('?');
|
---|
934 | for (int i = 0; i < RequestFields->ContentLength; ++i) {
|
---|
935 | URIStr.push_back(RequestFields->Content[i]);
|
---|
936 | }
|
---|
937 | }
|
---|
938 |
|
---|
939 | if (parse_url(URIStr, protocol, machine, &port, rest)!=http_ok) {
|
---|
940 | // Alter local file request to address 'gsdl'
|
---|
941 | if (*(URIStr.begin()) != '/') URIStr = "http://gsdl/" + URIStr;
|
---|
942 | else URIStr = "http://gsdl" + URIStr;
|
---|
943 | parse_url(URIStr, protocol, machine, &port, rest);
|
---|
944 | }
|
---|
945 |
|
---|
946 | if (machine == "gsdl") {
|
---|
947 | // a local file request
|
---|
948 | handle_server_request(rest, RequestInfo, RequestFields);
|
---|
949 |
|
---|
950 | } else {
|
---|
951 | send_retrieve_error(404, "File not found",
|
---|
952 | "Could not find the local file requested", RequestInfo);
|
---|
953 | }
|
---|
954 |
|
---|
955 | return 1;
|
---|
956 | }
|
---|