1 | #include "oaimain.h"
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2 |
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3 | /**********************************************************************
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4 | *
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5 | * oaimain.cpp --
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6 | * Copyright (C) 1999 The New Zealand Digital Library Project
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7 | *
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8 | * A component of the Greenstone digital library software
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9 | * from the New Zealand Digital Library Project at the
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10 | * University of Waikato, New Zealand.
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11 | *
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12 | * This program is free software; you can redistribute it and/or modify
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13 | * it under the terms of the GNU General Public License as published by
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14 | * the Free Software Foundation; either version 2 of the License, or
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15 | * (at your option) any later version.
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16 | *
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17 | * This program is distributed in the hope that it will be useful,
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18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 | * GNU General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, write to the Free Software
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24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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25 | *
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26 | *********************************************************************/
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27 |
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28 | #include "gsdlconf.h"
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29 |
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30 | #if defined(GSDL_USE_IOS_H)
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31 | # if defined(__WIN32__)
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32 | # include <strstrea.h> // vc4
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33 | # else
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34 | # include <strstream.h>
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35 | # endif
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36 | #else
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37 | # include <sstream>
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38 | #endif
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39 |
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40 | #include "fileutil.h"
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41 | #include "nullproto.h"
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42 | #include "collectset.h"
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43 | #include "cgiargs.h"
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44 |
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45 | #include "identifyaction.h"
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46 | #include "recordaction.h"
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47 | #include "listsetsaction.h"
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48 | #include "listrecsaction.h"
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49 | #include "listidsaction.h"
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50 | #include "metaformatsaction.h"
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51 | #include "oaidispatcher.h"
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52 | #include "oaiconfig.h"
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53 |
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54 | void get_cgi_args(text_t &argstring)
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55 | {
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56 | // get the query string if it is not being run as a fastcgi
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57 | // script
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58 | text_t argstr = "";
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59 | char *aURIStr;
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60 | char *request_method_str = getenv("REQUEST_METHOD");
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61 | char *content_length_str = getenv("CONTENT_LENGTH");
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62 | if (request_method_str != NULL && strcmp(request_method_str, "POST") == 0 &&
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63 | content_length_str != NULL) {
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64 | // POST form data
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65 | int content_length = text_t(content_length_str).getint();
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66 | if (content_length > 0) {
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67 | char c;
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68 | do {
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69 | cin.get(c);
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70 | if (cin.eof())
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71 | break;
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72 | argstr.push_back (c);
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73 | --content_length;
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74 | } while (content_length > 0);
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75 | }
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76 |
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77 | } else {
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78 | aURIStr = getenv("QUERY_STRING");
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79 | if ((request_method_str != NULL && strcmp(request_method_str, "GET") == 0)
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80 | || aURIStr != NULL) {
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81 | // GET form data
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82 | if (aURIStr != NULL)
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83 | argstr = aURIStr;
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84 | } else {
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85 | // debugging from command line
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86 | // debug = true;
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87 | char inStr[1024];
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88 |
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89 | cin.get(inStr, 1024);
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90 | argstr = inStr;
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91 | }
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92 | }
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93 | argstring = argstr;
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94 | }
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95 |
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96 |
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97 | int main(int argc, char *argv[])
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98 | {
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99 | text_t cgiargstring;
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100 | nullproto nproto;
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101 | collectset *cservers;
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102 | text_t gsdlhome;
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103 | text_t collecthome;
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104 | text_t gsdlcollect = "";
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105 | oaiargs args;
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106 | ofstream logout("oai.log", ios::app);
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107 |
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108 | // convert cgi to oai map
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109 | get_cgi_args(cgiargstring);
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110 |
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111 | char *cstr = cgiargstring.getcstr();
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112 | #if defined(GSDL_USE_IOS_H)
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113 | istrstream cgi_in(cstr, cgiargstring.size());
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114 | #else
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115 | istringstream cgi_in(cstr);
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116 | #endif
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117 |
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118 | // parse the arguments
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119 | args.readArgs(cgi_in);
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120 |
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121 | delete []cstr;
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122 |
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123 | cservers = new collectset(gsdlhome,collecthome);
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124 |
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125 | // set up the null protocol
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126 | nproto.set_collectset(cservers);
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127 |
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128 | // get the oai configuration
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129 | oaiconfig config(gsdlhome, gsdlcollect);
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130 |
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131 | // set up the dispatcher
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132 | oaidispatcher dispatcher;
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133 | dispatcher.setConfiguration(&config);
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134 |
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135 | identifyaction *id = new identifyaction;
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136 | recordaction *rec = new recordaction(config.getMetadataSet());
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137 | listsetsaction *sets = new listsetsaction;
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138 | listrecsaction *records = new listrecsaction;
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139 | records->set_recordMaker(rec);
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140 |
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141 | listidsaction *ids = new listidsaction;
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142 | metaformatsaction *formats = new metaformatsaction;
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143 | formats->set_formats(rec->get_formats());
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144 |
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145 | dispatcher.addAction(id);
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146 | dispatcher.addAction(rec);
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147 | dispatcher.addAction(sets);
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148 | dispatcher.addAction(records);
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149 | dispatcher.addAction(ids);
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150 | dispatcher.addAction(formats);
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151 |
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152 | // deal with this request
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153 | comerror_t error;
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154 | nproto.init(error, logout);
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155 |
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156 | // GRB: any checks that a collection exists would be done here
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157 | // At present, I foresee no useful application of that requirement.
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158 |
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159 | dispatcher.doAction(cout, &nproto, args);
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160 |
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161 | delete cservers;
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162 | return 0;
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163 | }
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