1 | /**********************************************************************
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2 | *
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3 | * receptionist.cpp -- a web interface for the gsdl
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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 | // following line required to get fstream.filedesc() on darwin (Mac OS X)
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27 | // gcc 2.91 automatically defines this in stream.h
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28 | #define _STREAM_COMPAT 1
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29 |
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30 | #include "receptionist.h"
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31 | #include "fileutil.h"
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32 | #include "cgiutils.h"
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33 | #include "htmlutils.h"
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34 | #include "gsdltools.h"
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35 | #include "gsdltimes.h"
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36 | #include "OIDtools.h"
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37 | #include <assert.h>
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38 | #include <time.h>
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39 | #include <stdio.h> // for open()
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40 | #include <fcntl.h> // for open() flags
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41 | // following 2 are for printing Last-Modified http header.
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42 | #include <sys/stat.h>
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43 | #include <time.h>
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44 |
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45 | #if defined (GSDL_USE_IOS_H)
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46 | #include <fstream.h>
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47 | #else
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48 | #include <fstream>
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49 | #endif
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50 |
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51 | void recptconf::clear () {
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52 | gsdlhome.clear();
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53 | gdbmhome.clear();
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54 | collectinfo.erase(collectinfo.begin(), collectinfo.end());
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55 | collection.clear();
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56 | collectdir.clear();
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57 | httpprefix.clear();
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58 | httpimg = "/images";
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59 | gwcgi.clear();
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60 | macrofiles.erase(macrofiles.begin(), macrofiles.end());
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61 | saveconf.clear();
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62 | usecookies = false;
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63 | logcgiargs = false;
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64 | LogDateFormat = LocalTime;
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65 |
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66 | maintainer.clear();
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67 | MailServer.clear();
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68 | LogEvents = Disabled;
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69 | EmailEvents = Disabled;
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70 | EmailUserEvents = false;
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71 |
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72 | languages.erase(languages.begin(), languages.end());
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73 | encodings.erase(encodings.begin(), encodings.end());
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74 |
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75 | // these default page parameters can always be overriden
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76 | // in the configuration file
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77 | pageparams.erase(pageparams.begin(), pageparams.end());
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78 | pageparams["c"] = "";
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79 | pageparams["l"] = "en";
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80 |
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81 | #ifdef MACROPRECEDENCE
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82 | macroprecedence = MACROPRECEDENCE;
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83 | #else
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84 | macroprecedence.clear();
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85 | #endif
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86 | }
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87 |
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88 | void collectioninfo_t::clear () {
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89 | gsdl_gsdlhome.clear();
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90 | gsdl_gdbmhome.clear();
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91 |
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92 | info_loaded = false;
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93 | info.clear();
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94 | }
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95 |
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96 | void languageinfo_t::clear () {
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97 | longname.clear();
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98 | defaultencoding.clear();
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99 | }
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100 |
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101 | receptionist::receptionist () {
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102 | // create a list of cgi arguments
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103 | // this must be done before the configuration
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104 |
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105 | cgiarginfo ainfo;
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106 |
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107 | ainfo.shortname = "e";
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108 | ainfo.longname = "compressed arguments";
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109 | ainfo.multiplechar = true;
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110 | ainfo.defaultstatus = cgiarginfo::good;
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111 | ainfo.argdefault = "";
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112 | ainfo.savedarginfo = cgiarginfo::mustnot;
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113 | argsinfo.addarginfo (NULL, ainfo);
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114 |
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115 | ainfo.shortname = "a";
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116 | ainfo.longname = "action";
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117 | ainfo.multiplechar = true;
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118 | ainfo.defaultstatus = cgiarginfo::none;
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119 | ainfo.argdefault = "";
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120 | ainfo.savedarginfo = cgiarginfo::must;
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121 | argsinfo.addarginfo (NULL, ainfo);
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122 |
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123 | // w=western
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124 | ainfo.shortname = "w";
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125 | ainfo.longname = "encoding";
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126 | ainfo.multiplechar = true;
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127 | ainfo.defaultstatus = cgiarginfo::none;
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128 | ainfo.argdefault = "";
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129 | ainfo.savedarginfo = cgiarginfo::must;
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130 | argsinfo.addarginfo (NULL, ainfo);
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131 |
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132 | ainfo.shortname = "nw";
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133 | ainfo.longname = "new encoding";
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134 | ainfo.multiplechar = true;
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135 | ainfo.defaultstatus = cgiarginfo::none;
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136 | ainfo.argdefault = "";
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137 | ainfo.savedarginfo = cgiarginfo::mustnot;
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138 | argsinfo.addarginfo (NULL, ainfo);
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139 |
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140 | ainfo.shortname = "c";
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141 | ainfo.longname = "collection";
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142 | ainfo.multiplechar = true;
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143 | ainfo.defaultstatus = cgiarginfo::none;
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144 | ainfo.argdefault = "";
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145 | ainfo.savedarginfo = cgiarginfo::must;
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146 | argsinfo.addarginfo (NULL, ainfo);
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147 |
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148 | // the interface language name should use the ISO 639
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149 | // standard
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150 | ainfo.shortname = "l";
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151 | ainfo.longname = "interface language";
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152 | ainfo.multiplechar = true;
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153 | ainfo.defaultstatus = cgiarginfo::weak;
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154 | ainfo.argdefault = "en";
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155 | ainfo.savedarginfo = cgiarginfo::must;
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156 | argsinfo.addarginfo (NULL, ainfo);
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157 |
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158 | ainfo.shortname = "nl";
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159 | ainfo.longname = "new language";
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160 | ainfo.multiplechar = false;
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161 | ainfo.defaultstatus = cgiarginfo::none;
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162 | ainfo.argdefault = "0";
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163 | ainfo.savedarginfo = cgiarginfo::mustnot;
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164 | argsinfo.addarginfo (NULL, ainfo);
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165 |
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166 | // the GSDL_UID (cookie)
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167 | ainfo.shortname = "z";
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168 | ainfo.longname = "gsdl uid";
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169 | ainfo.multiplechar = true;
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170 | ainfo.defaultstatus = cgiarginfo::none;
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171 | ainfo.argdefault = "";
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172 | ainfo.savedarginfo = cgiarginfo::mustnot;
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173 | argsinfo.addarginfo (NULL, ainfo);
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174 | }
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175 |
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176 |
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177 | void receptionist::add_action (action *theaction) {
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178 | // make sure we have an action to add
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179 | if (theaction == NULL) return;
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180 |
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181 | // add this action to the list of actions
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182 | actions.addaction(theaction);
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183 |
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184 | // add the cgi arguments from this action
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185 | argsinfo.addarginfo (NULL, theaction->getargsinfo());
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186 | }
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187 |
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188 |
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189 | void receptionist::add_browser (browserclass *thebrowser) {
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190 | // make sure we have a browser to add
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191 | if (thebrowser == NULL) return;
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192 |
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193 | // add this browser to the list of browsers
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194 | browsers.addbrowser(thebrowser);
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195 | }
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196 |
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197 |
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198 | void receptionist::setdefaultbrowser (const text_t &browsername) {
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199 | browsers.setdefaultbrowser (browsername);
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200 | }
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201 |
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202 |
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203 | // configure should be called for each line in the
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204 | // configuration files to configure the receptionist and everything
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205 | // it contains. The configuration should take place after everything
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206 | // has been added but before the initialisation.
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207 | void receptionist::configure (const text_t &key, const text_tarray &cfgline) {
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208 | // configure the receptionist
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209 |
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210 | if (cfgline.size() >= 1) {
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211 | cgiarginfo *info = NULL;
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212 | if (key == "gsdlhome") {
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213 | configinfo.gsdlhome = cfgline[0];
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214 | if (configinfo.gdbmhome.empty()) configinfo.gdbmhome = cfgline[0];
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215 | }
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216 | else if (key == "gdbmhome") configinfo.gdbmhome = cfgline[0];
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217 | else if (key == "collection") {
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218 | configinfo.collection = cfgline[0];
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219 | // also need to set the default arg to this collection
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220 | if ((info = argsinfo.getarginfo("c")) != NULL) {
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221 | info->defaultstatus = cgiarginfo::good;
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222 | info->argdefault = cfgline[0];
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223 | }
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224 |
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225 | } else if (key == "collectdir") configinfo.collectdir = cfgline[0];
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226 | else if (key == "httpprefix") configinfo.httpprefix = cfgline[0];
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227 | else if (key == "httpimg") configinfo.httpimg = cfgline[0];
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228 | else if (key == "gwcgi") configinfo.gwcgi = cfgline[0];
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229 | else if (key == "macrofiles") {
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230 | // want to append to macrofiles (i.e. may be several config files
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231 | // contributing, maybe from several collections).
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232 | text_tarray::const_iterator here = cfgline.begin();
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233 | text_tarray::const_iterator end = cfgline.end();
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234 | while (here != end) {
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235 | configinfo.macrofiles.insert (*here);
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236 | here ++;
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237 | }
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238 | }
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239 | else if (key == "saveconf") configinfo.saveconf = cfgline[0];
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240 | else if (key == "usecookies") configinfo.usecookies = (cfgline[0] == "true");
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241 | else if (key == "logcgiargs") configinfo.logcgiargs = (cfgline[0] == "true");
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242 | else if (key == "maintainer") configinfo.maintainer = cfgline[0];
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243 | else if (key == "MailServer") configinfo.MailServer = cfgline[0];
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244 | else if (key == "LogDateFormat") {
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245 | if (cfgline[0] == "UTCTime") configinfo.LogDateFormat = UTCTime;
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246 | else if (cfgline[0] == "Absolute") configinfo.LogDateFormat = Absolute;
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247 | }
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248 | else if (key == "LogEvents") {
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249 | if (cfgline[0] == "CollectorEvents") configinfo.LogEvents = CollectorEvents;
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250 | else if (cfgline[0] == "AllEvents") configinfo.LogEvents = AllEvents;
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251 | }
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252 | else if (key == "EmailEvents") {
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253 | if (cfgline[0] == "CollectorEvents") configinfo.EmailEvents = CollectorEvents;
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254 | else if (cfgline[0] == "AllEvents") configinfo.EmailEvents = AllEvents;
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255 | }
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256 | else if (key == "EmailUserEvents") configinfo.EmailUserEvents = (cfgline[0] == "true");
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257 | else if (key == "pageparam") {
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258 | if (cfgline.size() >= 2) configinfo.pageparams[cfgline[0]] = cfgline[1];
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259 | else configinfo.pageparams[cfgline[0]] = "";
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260 | }
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261 | else if (key == "macroprecedence") configinfo.macroprecedence = cfgline[0];
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262 | else if (key == "collectinfo") {
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263 | if (cfgline.size() >= 3) {
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264 | collectioninfo_t cinfo;
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265 | cinfo.gsdl_gsdlhome = cfgline[1];
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266 | cinfo.gsdl_gdbmhome = cfgline[2];
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267 | configinfo.collectinfo[cfgline[0]] = cinfo;
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268 | }
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269 | }
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270 |
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271 | else if (key == "cgiarg") {
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272 | // get shortname
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273 | bool seen_defaultstatus = false;
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274 | text_t subkey, subvalue;
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275 | text_t shortname;
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276 | text_t::const_iterator cfglinesub_here;
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277 | text_tarray::const_iterator cfgline_here = cfgline.begin();
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278 | text_tarray::const_iterator cfgline_end = cfgline.end();
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279 | while (cfgline_here != cfgline_end) {
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280 | cfglinesub_here = getdelimitstr((*cfgline_here).begin(),
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281 | (*cfgline_here).end(), '=', subkey);
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282 | if (subkey == "shortname") {
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283 | shortname = substr (cfglinesub_here, (*cfgline_here).end());
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284 | }
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285 | cfgline_here++;
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286 | }
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287 |
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288 | // if we found the shortname process the line again filling in values
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289 | if (!shortname.empty()) {
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290 | cgiarginfo &chinfo = argsinfo[shortname];
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291 | chinfo.shortname = shortname; // in case this is a new argument
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292 |
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293 | cfgline_here = cfgline.begin();
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294 | while (cfgline_here != cfgline_end) {
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295 | cfglinesub_here = getdelimitstr((*cfgline_here).begin(),
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296 | (*cfgline_here).end(), '=', subkey);
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297 | subvalue = substr (cfglinesub_here, (*cfgline_here).end());
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298 |
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299 | if (subkey == "longname") chinfo.longname = subvalue;
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300 | else if (subkey == "multiplechar") chinfo.multiplechar = (subvalue == "true");
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301 | else if (subkey == "defaultstatus") {
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302 | seen_defaultstatus = true;
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303 | if (subvalue == "none") chinfo.defaultstatus = cgiarginfo::none;
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304 | else if (subvalue == "weak") chinfo.defaultstatus = cgiarginfo::weak;
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305 | else if (subvalue == "good") chinfo.defaultstatus = cgiarginfo::good;
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306 | else if (subvalue == "config") chinfo.defaultstatus = cgiarginfo::config;
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307 | else if (subvalue == "imperative") chinfo.defaultstatus = cgiarginfo::imperative;
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308 | }
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309 | else if (subkey == "argdefault") {
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310 | chinfo.argdefault = subvalue;
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311 | if (!seen_defaultstatus) chinfo.defaultstatus = cgiarginfo::config;
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312 | }
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313 | else if (subkey == "savedarginfo") {
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314 | if (subvalue == "mustnot") chinfo.savedarginfo = cgiarginfo::mustnot;
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315 | else if (subvalue == "can") chinfo.savedarginfo = cgiarginfo::can;
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316 | else if (subvalue == "must") chinfo.savedarginfo = cgiarginfo::must;
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317 | }
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318 |
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319 | cfgline_here++;
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320 | }
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321 | }
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322 |
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323 | } else if (key == "Encoding") {
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324 |
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325 | configure_encoding (cfgline);
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326 |
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327 | } else if (key == "Language") {
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328 | text_t subkey, subvalue, shortname;
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329 | languageinfo_t lang;
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330 | text_t::const_iterator cfglinesub_here;
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331 | text_tarray::const_iterator cfgline_here = cfgline.begin();
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332 | text_tarray::const_iterator cfgline_end = cfgline.end();
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333 | while (cfgline_here != cfgline_end) {
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334 | cfglinesub_here = getdelimitstr((*cfgline_here).begin(),
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335 | (*cfgline_here).end(), '=', subkey);
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336 | if (subkey == "shortname") {
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337 | shortname = substr (cfglinesub_here, (*cfgline_here).end());
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338 | } else if (subkey == "longname") {
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339 | lang.longname = substr (cfglinesub_here, (*cfgline_here).end());
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340 | } else if (subkey == "default_encoding") {
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341 | lang.defaultencoding = substr (cfglinesub_here, (*cfgline_here).end());
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342 | }
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343 | cfgline_here++;
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344 | }
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345 | if (!shortname.empty()) {
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346 | if (lang.longname.empty()) lang.longname = shortname;
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347 | configinfo.languages[shortname] = lang;
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348 | }
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349 | }
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350 | }
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351 |
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352 | // configure the actions
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353 | actionptrmap::iterator actionhere = actions.begin ();
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354 | actionptrmap::iterator actionend = actions.end ();
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355 |
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356 | while (actionhere != actionend) {
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357 | assert ((*actionhere).second.a != NULL);
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358 | if ((*actionhere).second.a != NULL)
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359 | (*actionhere).second.a->configure(key, cfgline);
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360 |
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361 | actionhere++;
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362 | }
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363 |
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364 | // configure the protocols
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365 | recptprotolistclass::iterator protohere = protocols.begin ();
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366 | recptprotolistclass::iterator protoend = protocols.end ();
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367 |
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368 | while (protohere != protoend) {
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369 | assert ((*protohere).p != NULL);
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370 | comerror_t err;
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371 | if ((*protohere).p != NULL)
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372 | (*protohere).p->configure(key, cfgline, err);
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373 |
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374 | protohere++;
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375 | }
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376 |
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377 | // configure the browsers
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378 | browserptrmap::iterator browserhere = browsers.begin ();
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379 | browserptrmap::iterator browserend = browsers.end ();
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380 |
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381 | while (browserhere != browserend) {
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382 | assert ((*browserhere).second.b != NULL);
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383 | if ((*browserhere).second.b != NULL)
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384 | (*browserhere).second.b->configure(key, cfgline);
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385 |
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386 | browserhere++;
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387 | }
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388 | }
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389 |
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390 |
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391 | void receptionist::configure (const text_t &key, const text_t &value) {
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392 | text_tarray cfgline;
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393 | cfgline.push_back (value);
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394 | configure(key, cfgline);
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395 | }
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396 |
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397 |
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398 | // init should be called after all the actions and protocols have been
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399 | // added to the receptionist and after everything has been configured but
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400 | // before any pages are created. It returns true on success and false on
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401 | // failure. If false is returned getpage should not be called (without
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402 | // producing meaningless output), instead an error page should be produced
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403 | // by the calling code.
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404 | bool receptionist::init (ostream &logout) {
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405 |
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406 | // first configure collectdir
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407 | text_t thecollectdir = configinfo.gsdlhome;
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408 | if (!configinfo.collection.empty()) {
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409 | // collection specific mode
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410 | if (!configinfo.collectdir.empty()) {
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411 | // has already been configured
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412 | thecollectdir = configinfo.collectdir;
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413 | } else {
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414 | // decide where collectdir is by searching for collect.cfg
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415 | // look in $GSDLHOME/collect/collection-name/etc/collect.cfg and
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416 | // then $GSDLHOME/etc/collect.cfg
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417 | thecollectdir = filename_cat (configinfo.gsdlhome, "collect");
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418 | thecollectdir = filename_cat (thecollectdir, configinfo.collection);
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419 | text_t filename = filename_cat (thecollectdir, "etc");
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420 | filename = filename_cat (filename, "collect.cfg");
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421 |
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422 | if (!file_exists(filename)) thecollectdir = configinfo.gsdlhome;
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423 | }
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424 | }
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425 | configure("collectdir", thecollectdir);
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426 |
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427 | // read in the macro files
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428 | if (!read_macrofiles (logout)) return false;
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429 |
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430 | // there must be at least one action defined
|
---|
431 | if (actions.empty()) {
|
---|
432 | logout << "Error: no actions have been added to the receptionist\n";
|
---|
433 | return false;
|
---|
434 | }
|
---|
435 |
|
---|
436 | // there must be at least one browser defined
|
---|
437 | if (browsers.empty()) {
|
---|
438 | logout << "Error: no browsers have been added to the receptionist\n";
|
---|
439 | return false;
|
---|
440 | }
|
---|
441 |
|
---|
442 | // create a saveconf string if there isn't one already
|
---|
443 | if (configinfo.saveconf.empty())
|
---|
444 | configinfo.saveconf = create_save_conf_str (argsinfo, logout);
|
---|
445 |
|
---|
446 | // check the saveconf string
|
---|
447 | if (!check_save_conf_str (configinfo.saveconf, argsinfo, logout))
|
---|
448 | return false;
|
---|
449 |
|
---|
450 | // set a random seed
|
---|
451 | srand (time(NULL));
|
---|
452 |
|
---|
453 | // if maintainer email address is something dodgy (for now I'll define
|
---|
454 | // dodgy as being anything that doesn't contain '@') disable EmailEvents
|
---|
455 | // and EmailUserEvents (we don't strictly need to disable EmailUserEvents
|
---|
456 | // in this case but we will as it seems likely that MailServer will also
|
---|
457 | // be screwed up if maintainer is).
|
---|
458 | text_t::const_iterator maintainer_end = configinfo.maintainer.end ();
|
---|
459 | text_t::const_iterator maintainer_here = findchar ((text_t::const_iterator)configinfo.maintainer.begin(),
|
---|
460 | maintainer_end, '@');
|
---|
461 | if (maintainer_here == maintainer_end) {
|
---|
462 | configinfo.EmailEvents = Disabled;
|
---|
463 | configinfo.EmailUserEvents = Disabled;
|
---|
464 | } else {
|
---|
465 | // if MailServer isn't set it should default to mail.maintainer-domain
|
---|
466 | if (configinfo.MailServer.empty()) {
|
---|
467 | configinfo.MailServer = "mail." + substr (maintainer_here+1, maintainer_end);
|
---|
468 | }
|
---|
469 | }
|
---|
470 |
|
---|
471 | // init the actions
|
---|
472 | actionptrmap::iterator actionhere = actions.begin ();
|
---|
473 | actionptrmap::iterator actionend = actions.end ();
|
---|
474 | while (actionhere != actionend) {
|
---|
475 | if (((*actionhere).second.a == NULL) ||
|
---|
476 | !(*actionhere).second.a->init(logout)) return false;
|
---|
477 | actionhere++;
|
---|
478 | }
|
---|
479 |
|
---|
480 | // init the protocols
|
---|
481 | recptprotolistclass::iterator protohere = protocols.begin ();
|
---|
482 | recptprotolistclass::iterator protoend = protocols.end ();
|
---|
483 | while (protohere != protoend) {
|
---|
484 | comerror_t err;
|
---|
485 | if (((*protohere).p == NULL) ||
|
---|
486 | !(*protohere).p->init(err, logout)) return false;
|
---|
487 | protohere++;
|
---|
488 | }
|
---|
489 |
|
---|
490 | // init the browsers
|
---|
491 | browserptrmap::iterator browserhere = browsers.begin ();
|
---|
492 | browserptrmap::iterator browserend = browsers.end ();
|
---|
493 | while (browserhere != browserend) {
|
---|
494 | if (((*browserhere).second.b == NULL) ||
|
---|
495 | !(*browserhere).second.b->init(logout)) return false;
|
---|
496 | browserhere++;
|
---|
497 | }
|
---|
498 |
|
---|
499 | return true;
|
---|
500 | }
|
---|
501 |
|
---|
502 | // get the default encoding for the given language - if it fails for any
|
---|
503 | // reason return ""
|
---|
504 | text_t receptionist::get_default_encoding (const text_t &language) {
|
---|
505 |
|
---|
506 | // make sure language is valid
|
---|
507 | if (configinfo.languages.find(language) == configinfo.languages.end()) return "";
|
---|
508 |
|
---|
509 | text_t default_encoding = configinfo.languages[language].defaultencoding;
|
---|
510 |
|
---|
511 | // make sure the encoding is valid
|
---|
512 | if (converters.find(default_encoding) == converters.end()) return "";
|
---|
513 |
|
---|
514 | return default_encoding;
|
---|
515 | }
|
---|
516 |
|
---|
517 | // parse_cgi_args parses cgi arguments into an argument class.
|
---|
518 | // This function should be called for each page request. It returns false
|
---|
519 | // if there was a major problem with the cgi arguments.
|
---|
520 | bool receptionist::parse_cgi_args (const text_t &argstr, cgiargsclass &args,
|
---|
521 | ostream &logout, text_tmap &fcgienv) {
|
---|
522 |
|
---|
523 | // get an initial list of cgi arguments
|
---|
524 | args.clear();
|
---|
525 | split_cgi_args (argsinfo, argstr, args);
|
---|
526 |
|
---|
527 | // expand the compressed argument (if there was one)
|
---|
528 | if (!expand_save_args (argsinfo, configinfo.saveconf, args, logout)) return false;
|
---|
529 |
|
---|
530 | // add the defaults
|
---|
531 | add_default_args (argsinfo, args, logout);
|
---|
532 |
|
---|
533 | // get the cookie
|
---|
534 | if (configinfo.usecookies) get_cookie(args["z"], fcgienv);
|
---|
535 |
|
---|
536 | // if we're changing languages, set the encoding to the default for the new language
|
---|
537 | if (args["nl"] == "1") {
|
---|
538 | args["nw"] = get_default_encoding(args["l"]);
|
---|
539 | }
|
---|
540 |
|
---|
541 | // get the input encoding
|
---|
542 | // if encoding isn't set, set it to the default for the current language
|
---|
543 | if ((args.getarg("w") == NULL) || args["w"].empty()) {
|
---|
544 | args["w"] = get_default_encoding(args["l"]);
|
---|
545 | }
|
---|
546 |
|
---|
547 | text_t &arg_w = args["w"];
|
---|
548 |
|
---|
549 | inconvertclass defaultinconvert;
|
---|
550 | inconvertclass *inconvert = converters.get_inconverter (arg_w);
|
---|
551 | if (inconvert == NULL) inconvert = &defaultinconvert;
|
---|
552 |
|
---|
553 | // see if the next page will have a different encoding
|
---|
554 | if (args.getarg("nw") != NULL) arg_w = args["nw"];
|
---|
555 |
|
---|
556 | // convert arguments which aren't in unicode to unicode
|
---|
557 | args_tounicode (args, *inconvert);
|
---|
558 |
|
---|
559 |
|
---|
560 | // decide on the output conversion class (needed for checking the external
|
---|
561 | // cgi arguments)
|
---|
562 | rzwsoutconvertclass defaultoutconverter;
|
---|
563 | rzwsoutconvertclass *outconverter = converters.get_outconverter (arg_w);
|
---|
564 | if (outconverter == NULL) outconverter = &defaultoutconverter;
|
---|
565 | outconverter->reset();
|
---|
566 |
|
---|
567 | // check the main cgi arguments
|
---|
568 | if (!check_mainargs (args, logout)) return false;
|
---|
569 |
|
---|
570 | // check the arguments for the action
|
---|
571 | action *a = actions.getaction (args["a"]);
|
---|
572 | if (a != NULL) {
|
---|
573 | if (!a->check_cgiargs (argsinfo, args, logout)) return false;
|
---|
574 | } else {
|
---|
575 | // the action was not found!!
|
---|
576 | outconvertclass text_t2ascii;
|
---|
577 | logout << text_t2ascii << "Error: the action \"" << args["a"]
|
---|
578 | << "\" could not be found.\n";
|
---|
579 | return false;
|
---|
580 | }
|
---|
581 |
|
---|
582 | // check external cgi arguments for each action
|
---|
583 | actionptrmap::iterator actionhere = actions.begin ();
|
---|
584 | actionptrmap::iterator actionend = actions.end ();
|
---|
585 | while (actionhere != actionend) {
|
---|
586 | assert ((*actionhere).second.a != NULL);
|
---|
587 | if ((*actionhere).second.a != NULL) {
|
---|
588 | if (!(*actionhere).second.a->check_external_cgiargs (argsinfo, args, *outconverter,
|
---|
589 | configinfo.saveconf, logout))
|
---|
590 | return false;
|
---|
591 | }
|
---|
592 | actionhere++;
|
---|
593 | }
|
---|
594 |
|
---|
595 | // the action might have changed but we will assume that
|
---|
596 | // the cgiargs were checked properly when the change was made
|
---|
597 |
|
---|
598 | return true;
|
---|
599 | }
|
---|
600 |
|
---|
601 | // returns true if cookie already existed, false
|
---|
602 | // if it was generated
|
---|
603 | bool receptionist::get_cookie (text_t &cookie, text_tmap &fcgienv) {
|
---|
604 |
|
---|
605 | text_t cookiestring = gsdl_getenv ("HTTP_COOKIE", fcgienv);
|
---|
606 |
|
---|
607 | text_t::const_iterator end = cookiestring.end();
|
---|
608 | text_t::const_iterator here = findchar ((text_t::const_iterator)cookiestring.begin(), end, 'G');
|
---|
609 |
|
---|
610 | while (here+9 < end) {
|
---|
611 |
|
---|
612 | if (substr(here, here+8) == "GSDL_UID") {
|
---|
613 | cookie = substr (here+9, findchar (here+9, end, ';'));
|
---|
614 | return true;
|
---|
615 | }
|
---|
616 | here = findchar ((text_t::const_iterator)cookiestring.begin(), end, 'G');
|
---|
617 | }
|
---|
618 |
|
---|
619 | cookie.clear();
|
---|
620 | text_t host = gsdl_getenv("REMOTE_ADDR", fcgienv);
|
---|
621 | time_t ttime = time(NULL);
|
---|
622 | if (!host.empty()) {
|
---|
623 | cookie += host;
|
---|
624 | cookie.push_back ('-');
|
---|
625 | }
|
---|
626 | cookie += text_t(ttime);
|
---|
627 |
|
---|
628 | return false;
|
---|
629 | }
|
---|
630 |
|
---|
631 | // as above but just tests if cookie exists
|
---|
632 | bool receptionist::get_cookie (text_tmap &fcgienv) {
|
---|
633 |
|
---|
634 | text_t c = gsdl_getenv("HTTP_COOKIE", fcgienv);
|
---|
635 | if (!c.empty()) {
|
---|
636 | text_t cookiestring = c;
|
---|
637 |
|
---|
638 | text_t::const_iterator end = cookiestring.end();
|
---|
639 | text_t::const_iterator here = findchar ((text_t::const_iterator)cookiestring.begin(), end, 'G');
|
---|
640 |
|
---|
641 | while (here+9 < end) {
|
---|
642 | if (substr(here, here+8) == "GSDL_UID") return true;
|
---|
643 | here = findchar ((text_t::const_iterator)cookiestring.begin(), end, 'G');
|
---|
644 | }
|
---|
645 | }
|
---|
646 | return false;
|
---|
647 | }
|
---|
648 |
|
---|
649 | bool receptionist::log_cgi_args (cgiargsclass &args, ostream &logout, text_tmap &fcgienv) {
|
---|
650 |
|
---|
651 | // see if we want to log the cgi arguments
|
---|
652 | if (!configinfo.logcgiargs) return true;
|
---|
653 |
|
---|
654 | text_t host = gsdl_getenv ("REMOTE_HOST", fcgienv);
|
---|
655 | text_t script_name = gsdl_getenv ("SCRIPT_NAME", fcgienv);
|
---|
656 | if (host.empty()) host = gsdl_getenv ("REMOTE_ADDR", fcgienv);
|
---|
657 | text_t browser = gsdl_getenv ("HTTP_USER_AGENT", fcgienv);
|
---|
658 |
|
---|
659 | cgiargsclass::const_iterator args_here = args.begin();
|
---|
660 | cgiargsclass::const_iterator args_end = args.end();
|
---|
661 |
|
---|
662 | text_t argstr;
|
---|
663 | bool first = true;
|
---|
664 | while (args_here != args_end) {
|
---|
665 | if (!first) argstr += ", ";
|
---|
666 | argstr += (*args_here).first + "=" + (*args_here).second.value;
|
---|
667 | first = false;
|
---|
668 | args_here ++;
|
---|
669 | }
|
---|
670 |
|
---|
671 | text_t logfile = filename_cat (configinfo.gdbmhome, "etc", "usage.txt");
|
---|
672 |
|
---|
673 | text_t logstr = script_name;
|
---|
674 | logstr += " " + host;
|
---|
675 | logstr += " [";
|
---|
676 | if (configinfo.LogDateFormat == UTCTime) {
|
---|
677 | logstr += get_date (false);
|
---|
678 | } else if (configinfo.LogDateFormat == Absolute) {
|
---|
679 | time_t ttime = time(NULL);
|
---|
680 | logstr += ttime;
|
---|
681 | } else {
|
---|
682 | // LocalTime
|
---|
683 | logstr += get_date (true);
|
---|
684 | }
|
---|
685 | logstr += "] (" + argstr + ") \"";
|
---|
686 | logstr += browser;
|
---|
687 | logstr += "\"\n";
|
---|
688 |
|
---|
689 | return append_logstr (logfile, logstr, logout);
|
---|
690 | }
|
---|
691 |
|
---|
692 | bool receptionist::append_logstr (const text_t &filename, const text_t &logstr,
|
---|
693 | ostream &logout) {
|
---|
694 |
|
---|
695 | utf8outconvertclass text_t2utf8;
|
---|
696 | char *lfile = filename.getcstr();
|
---|
697 |
|
---|
698 | int fd = open(lfile, O_WRONLY | O_APPEND);
|
---|
699 |
|
---|
700 | if (fd == -1) {
|
---|
701 | logout << "Error: Couldn't open file " << lfile << "\n";
|
---|
702 | delete lfile;
|
---|
703 | return false;
|
---|
704 | }
|
---|
705 |
|
---|
706 | // lock_val is set to 0 if file is locked successfully
|
---|
707 | int lock_val = 1;
|
---|
708 | GSDL_LOCK_FILE (fd);
|
---|
709 | if (lock_val == 0) {
|
---|
710 | text_t tmp_log_str(logstr); // so we don't pass a const to setinput...
|
---|
711 | text_t2utf8.setinput(&tmp_log_str);
|
---|
712 | char *buffer=new char[logstr.size()];
|
---|
713 | size_t num_chars;
|
---|
714 | convertclass::status_t status;
|
---|
715 | text_t2utf8.convert(buffer, logstr.size(), num_chars, status);
|
---|
716 | // ignore status - assume it is "finished" as buffer is big enough
|
---|
717 | write(fd, buffer, num_chars);
|
---|
718 | GSDL_UNLOCK_FILE (fd);
|
---|
719 | delete buffer;
|
---|
720 | } else {
|
---|
721 | logout << "Error: Couldn't lock file " << lfile << "\n";
|
---|
722 | close(fd);
|
---|
723 | delete lfile;
|
---|
724 | return false;
|
---|
725 | }
|
---|
726 |
|
---|
727 | close(fd);
|
---|
728 |
|
---|
729 | delete lfile;
|
---|
730 | return true;
|
---|
731 | }
|
---|
732 |
|
---|
733 | text_t receptionist::expandmacros (const text_t &astring, cgiargsclass &args,
|
---|
734 | ostream &logout) {
|
---|
735 | text_t outstring;
|
---|
736 | outconvertclass text_t2ascii;
|
---|
737 |
|
---|
738 | action *a = actions.getaction (args["a"]);
|
---|
739 | prepare_page (a, args, text_t2ascii, logout);
|
---|
740 | disp.expandstring ("Global", astring, outstring);
|
---|
741 | return outstring;
|
---|
742 | }
|
---|
743 |
|
---|
744 | // produce_cgi_page will call get_cgihead_info and
|
---|
745 | // produce_content in the appropriate way to output a cgi header and
|
---|
746 | // the page content (if needed). If a page could not be created it
|
---|
747 | // will return false
|
---|
748 | bool receptionist::produce_cgi_page (cgiargsclass &args, ostream &contentout,
|
---|
749 | ostream &logout, text_tmap &fcgienv) {
|
---|
750 | outconvertclass text_t2ascii;
|
---|
751 |
|
---|
752 | response_t response;
|
---|
753 | text_t response_data;
|
---|
754 |
|
---|
755 | // produce cgi header
|
---|
756 | get_cgihead_info (args, response, response_data, logout, fcgienv);
|
---|
757 | if (response == location) {
|
---|
758 | // location response (url may contain macros!!)
|
---|
759 | response_data = expandmacros (response_data, args, logout);
|
---|
760 | contentout << text_t2ascii << "Location: " << response_data << "\n\n";
|
---|
761 | contentout << flush;
|
---|
762 | return true;
|
---|
763 | } else if (response == content) {
|
---|
764 | // content response
|
---|
765 |
|
---|
766 | // use the later of build.cfg and collect.cfg modification times
|
---|
767 | // as the Last-Modified: header, for caching values
|
---|
768 | struct stat file_info;
|
---|
769 | time_t latest=0;
|
---|
770 |
|
---|
771 | text_t collectname="";
|
---|
772 | collectname=args["c"];
|
---|
773 | if (collectname != "") {
|
---|
774 | text_t collectdir=filename_cat(configinfo.gsdlhome,"collect");
|
---|
775 | collectdir=filename_cat(collectdir,collectname);
|
---|
776 | text_t buildcfg=filename_cat(collectdir,"index");
|
---|
777 | buildcfg=filename_cat(buildcfg,"build.cfg");
|
---|
778 | char *buildcfg_ptr=buildcfg.getcstr();
|
---|
779 | text_t collectcfg=filename_cat(collectdir,"etc");
|
---|
780 | collectcfg=filename_cat(collectcfg,"collect.cfg");
|
---|
781 | char *collectcfg_ptr=collectcfg.getcstr();
|
---|
782 |
|
---|
783 | if (stat(buildcfg_ptr, &file_info)) {
|
---|
784 | // we got an error. Currently don't handle error :(
|
---|
785 | // logout <<
|
---|
786 | } else {
|
---|
787 | latest=file_info.st_mtime;
|
---|
788 | }
|
---|
789 |
|
---|
790 | if (stat(collectcfg_ptr, &file_info)) {
|
---|
791 | // error - unhandled for now
|
---|
792 | } else {
|
---|
793 | if (latest<file_info.st_mtime) latest=file_info.st_mtime;
|
---|
794 | }
|
---|
795 | delete buildcfg_ptr;
|
---|
796 | delete collectcfg_ptr;
|
---|
797 |
|
---|
798 | if (latest>0) {
|
---|
799 | // print out modified time, "DDD, dd MMM YYYY hh:mm:ss" format
|
---|
800 | // c library takes care of mem for this string... (has \n at end!!!!)
|
---|
801 | // latest is currently local time, convert to UTC.
|
---|
802 | struct tm* utc_latest;
|
---|
803 | utc_latest=gmtime(&latest);
|
---|
804 | contentout << "Last-Modified: " << asctime(utc_latest);
|
---|
805 | }
|
---|
806 | } // end of collection != ""
|
---|
807 |
|
---|
808 | /*
|
---|
809 | // This block of code should prevent the users browser from caching
|
---|
810 | // the page. It may be useful to uncomment this code and comment out
|
---|
811 | // that directly above (which sets a "Last-Modified" header) when
|
---|
812 | // doing interface development work where a given page may be
|
---|
813 | // changing often.
|
---|
814 |
|
---|
815 | contentout << "Expires: Mon, 26 Jul 1997 05:00:00 GMT\n"; // date in the past
|
---|
816 | tm *tm_ptr = NULL;
|
---|
817 | time_t t = time(NULL);
|
---|
818 | tm_ptr = gmtime (&t);
|
---|
819 | if (tm_ptr != NULL) {
|
---|
820 | char *timestr = new char[128];
|
---|
821 | strftime (timestr, 128, "%a, %d %b %Y %H:%M:%S", tm_ptr);
|
---|
822 | contentout << "Last-Modified: " << timestr << " GMT\n"; // always modified
|
---|
823 | delete timestr;
|
---|
824 | }
|
---|
825 | contentout << "Cache-Control: no-cache, must-revalidate\n"; // HTTP/1.1
|
---|
826 | contentout << "Pragma: no-cache\n"; // HTTP/1.0
|
---|
827 | */
|
---|
828 |
|
---|
829 | contentout << text_t2ascii << "Content-type: " << response_data << "\n\n";
|
---|
830 | } else {
|
---|
831 | // unknown response
|
---|
832 | logout << "Error: get_cgihead_info returned an unknown response type.\n";
|
---|
833 | return false;
|
---|
834 | }
|
---|
835 |
|
---|
836 | // produce cgi page
|
---|
837 | if (!produce_content (args, contentout, logout)) return false;
|
---|
838 |
|
---|
839 | // flush contentout
|
---|
840 | contentout << flush;
|
---|
841 | return true;
|
---|
842 | }
|
---|
843 |
|
---|
844 |
|
---|
845 | // get_cgihead_info determines the cgi header information for
|
---|
846 | // a set of cgi arguments. If response contains location then
|
---|
847 | // response_data contains the redirect address. If reponse
|
---|
848 | // contains content then reponse_data contains the content-type.
|
---|
849 | // Note that images can now be produced by the receptionist.
|
---|
850 | void receptionist::get_cgihead_info (cgiargsclass &args, response_t &response,
|
---|
851 | text_t &response_data, ostream &logout,
|
---|
852 | text_tmap &fcgienv) {
|
---|
853 | outconvertclass text_t2ascii;
|
---|
854 |
|
---|
855 | // get the action
|
---|
856 | action *a = actions.getaction (args["a"]);
|
---|
857 | if (a != NULL) {
|
---|
858 | a->get_cgihead_info (args, &protocols, response, response_data, logout);
|
---|
859 |
|
---|
860 | } else {
|
---|
861 | // the action was not found!!
|
---|
862 | logout << text_t2ascii << "Error receptionist::get_cgihead_info: the action \""
|
---|
863 | << args["a"] << "\" could not be found.\n";
|
---|
864 | response = content;
|
---|
865 | response_data = "text/html";
|
---|
866 | }
|
---|
867 |
|
---|
868 | // add the encoding information
|
---|
869 | if (response == content) {
|
---|
870 | if (converters.find(args["w"]) != converters.end()) {
|
---|
871 | response_data += "; charset=" + args["w"];
|
---|
872 | } else {
|
---|
873 | // default to latin 1
|
---|
874 | response_data += "; charset=ISO-8859-1";
|
---|
875 | }
|
---|
876 |
|
---|
877 | // add cookie if required
|
---|
878 | if (configinfo.usecookies && !get_cookie(fcgienv))
|
---|
879 | response_data += "\nSet-Cookie: GSDL_UID=" + args["z"]
|
---|
880 | + "; expires=25-Dec-37 00:00:00 GMT";
|
---|
881 | }
|
---|
882 | }
|
---|
883 |
|
---|
884 |
|
---|
885 | // produce the page content
|
---|
886 | bool receptionist::produce_content (cgiargsclass &args, ostream &contentout,
|
---|
887 | ostream &logout) {
|
---|
888 |
|
---|
889 | // decide on the output conversion class
|
---|
890 | text_t &arg_w = args["w"];
|
---|
891 | rzwsoutconvertclass defaultoutconverter;
|
---|
892 | rzwsoutconvertclass *outconverter = converters.get_outconverter (arg_w);
|
---|
893 | if (outconverter == NULL) outconverter = &defaultoutconverter;
|
---|
894 | outconverter->reset();
|
---|
895 |
|
---|
896 |
|
---|
897 | recptproto *collectproto = protocols.getrecptproto (args["c"], logout);
|
---|
898 | if (collectproto != NULL) {
|
---|
899 | // get browsers to process OID
|
---|
900 | text_t OID = args["d"];
|
---|
901 | if (OID.empty()) OID = args["cl"];
|
---|
902 | if (!OID.empty()) {
|
---|
903 | text_tset metadata;
|
---|
904 | text_tarray OIDs;
|
---|
905 | OIDs.push_back (OID);
|
---|
906 | if (!is_top(OID)) OIDs.push_back (OID + ".pr");
|
---|
907 | FilterResponse_t response;
|
---|
908 | metadata.insert ("childtype");
|
---|
909 | if (get_info (OIDs, args["c"], metadata, false, collectproto, response, logout)) {
|
---|
910 | text_t classifytype;
|
---|
911 | if (!response.docInfo[0].metadata["childtype"].values[0].empty())
|
---|
912 | classifytype = response.docInfo[0].metadata["childtype"].values[0];
|
---|
913 | else if (!is_top (OID)) {
|
---|
914 | if (!response.docInfo[1].metadata["childtype"].values[0].empty())
|
---|
915 | classifytype = response.docInfo[1].metadata["childtype"].values[0];
|
---|
916 | }
|
---|
917 | browserclass *b = browsers.getbrowser (classifytype);
|
---|
918 | b->processOID (args, collectproto, logout);
|
---|
919 | }
|
---|
920 | }
|
---|
921 |
|
---|
922 | // translate "d" and "cl" arguments if required
|
---|
923 | translate_OIDs (args, collectproto, logout);
|
---|
924 | }
|
---|
925 |
|
---|
926 | // produce the page using the desired action
|
---|
927 | action *a = actions.getaction (args["a"]);
|
---|
928 | if (a != NULL) {
|
---|
929 | if (a->uses_display(args)) prepare_page (a, args, (*outconverter), logout);
|
---|
930 | if (!a->do_action (args, &protocols, &browsers, disp, (*outconverter), contentout, logout))
|
---|
931 | return false;
|
---|
932 | } else {
|
---|
933 | // the action was not found!!
|
---|
934 | outconvertclass text_t2ascii;
|
---|
935 |
|
---|
936 | logout << text_t2ascii << "Error receptionist::produce_content: the action \""
|
---|
937 | << args["a"] << "\" could not be found.\n";
|
---|
938 |
|
---|
939 | contentout << (*outconverter)
|
---|
940 | << "<html>\n"
|
---|
941 | << "<head>\n"
|
---|
942 | << "<title>Error</title>\n"
|
---|
943 | << "</head>\n"
|
---|
944 | << "<body>\n"
|
---|
945 | << "<h2>Oops!</h2>\n"
|
---|
946 | << "Undefined Page. The action \""
|
---|
947 | << args["a"] << "\" could not be found.\n"
|
---|
948 | << "</body>\n"
|
---|
949 | << "</html>\n";
|
---|
950 | }
|
---|
951 | return true;
|
---|
952 | }
|
---|
953 |
|
---|
954 |
|
---|
955 | // returns the compressed argument ("e") corresponding to the argument
|
---|
956 | // list. This can be used to save preferences between sessions.
|
---|
957 | text_t receptionist::get_compressed_arg (cgiargsclass &args, ostream &logout) {
|
---|
958 | // decide on the output conversion class
|
---|
959 | text_t &arg_w = args["w"];
|
---|
960 | rzwsoutconvertclass defaultoutconverter;
|
---|
961 | rzwsoutconvertclass *outconverter = converters.get_outconverter (arg_w);
|
---|
962 | if (outconverter == NULL) outconverter = &defaultoutconverter;
|
---|
963 | outconverter->reset();
|
---|
964 |
|
---|
965 | text_t compressed_args;
|
---|
966 | if (compress_save_args (argsinfo, configinfo.saveconf, args,
|
---|
967 | compressed_args, *outconverter, logout))
|
---|
968 | return compressed_args;
|
---|
969 |
|
---|
970 | return "";
|
---|
971 | }
|
---|
972 |
|
---|
973 |
|
---|
974 | // will read in all the macro files. If one is not found an
|
---|
975 | // error message will be written to logout and the method will
|
---|
976 | // return false.
|
---|
977 | bool receptionist::read_macrofiles (ostream &logout) {
|
---|
978 | outconvertclass text_t2ascii;
|
---|
979 |
|
---|
980 | // redirect the error output to logout
|
---|
981 | ostream *savedlogout = disp.setlogout (&logout);
|
---|
982 |
|
---|
983 | // load up the default macro files, the collection directory
|
---|
984 | // is searched first for the file (if this is being used in
|
---|
985 | // collection specific mode) and then the main directory(s)
|
---|
986 | text_t colmacrodir = filename_cat (configinfo.collectdir, "macros");
|
---|
987 |
|
---|
988 | text_tset maindirs;
|
---|
989 | text_t gsdlmacrodir = filename_cat (configinfo.gsdlhome, "macros");
|
---|
990 | maindirs.insert (gsdlmacrodir);
|
---|
991 | colinfo_tmap::iterator colhere = configinfo.collectinfo.begin();
|
---|
992 | colinfo_tmap::iterator colend = configinfo.collectinfo.end();
|
---|
993 | while (colhere != colend) {
|
---|
994 | if (!((*colhere).second.gsdl_gsdlhome).empty()) {
|
---|
995 | gsdlmacrodir = filename_cat ((*colhere).second.gsdl_gsdlhome, "macros");
|
---|
996 | maindirs.insert (gsdlmacrodir);
|
---|
997 | }
|
---|
998 | colhere ++;
|
---|
999 | }
|
---|
1000 |
|
---|
1001 | text_tset::iterator arrhere = configinfo.macrofiles.begin();
|
---|
1002 | text_tset::iterator arrend = configinfo.macrofiles.end();
|
---|
1003 | text_t filename;
|
---|
1004 | while (arrhere != arrend) {
|
---|
1005 | bool foundfile = false;
|
---|
1006 |
|
---|
1007 | // try in the collection directory if this is being
|
---|
1008 | // run in collection specific mode
|
---|
1009 | if (!configinfo.collection.empty()) {
|
---|
1010 | filename = filename_cat (colmacrodir, *arrhere);
|
---|
1011 | if (file_exists (filename)) {
|
---|
1012 | disp.loaddefaultmacros(filename);
|
---|
1013 | foundfile = true;
|
---|
1014 | }
|
---|
1015 | }
|
---|
1016 |
|
---|
1017 | // if we haven't found the macro file yet try in
|
---|
1018 | // the main macro directory(s)
|
---|
1019 | // if file is found in more than one main directory
|
---|
1020 | // we'll load all copies
|
---|
1021 | if (!foundfile) {
|
---|
1022 | text_tset::const_iterator dirhere = maindirs.begin();
|
---|
1023 | text_tset::const_iterator dirend = maindirs.end();
|
---|
1024 | while (dirhere != dirend) {
|
---|
1025 | filename = filename_cat (*dirhere, *arrhere);
|
---|
1026 | if (file_exists (filename)) {
|
---|
1027 | disp.loaddefaultmacros(filename);
|
---|
1028 | foundfile = true;
|
---|
1029 | }
|
---|
1030 | dirhere ++;
|
---|
1031 | }
|
---|
1032 | }
|
---|
1033 |
|
---|
1034 | // see if we found the file or not
|
---|
1035 | if (!foundfile) {
|
---|
1036 | logout << text_t2ascii
|
---|
1037 | << "Error: the macro file \"" << *arrhere << "\" could not be found.\n";
|
---|
1038 | if (configinfo.collection.empty()) {
|
---|
1039 | text_t dirs;
|
---|
1040 | joinchar (maindirs, ", ", dirs);
|
---|
1041 | logout << text_t2ascii
|
---|
1042 | << "It should be in either of the following directories ("
|
---|
1043 | << dirs << ").\n\n";
|
---|
1044 |
|
---|
1045 | } else {
|
---|
1046 | logout << text_t2ascii
|
---|
1047 | << "It should be in either " << colmacrodir << " or in "
|
---|
1048 | << gsdlmacrodir << ".\n\n";
|
---|
1049 | }
|
---|
1050 | // reset logout to what it was
|
---|
1051 | disp.setlogout (savedlogout);
|
---|
1052 | return false;
|
---|
1053 | }
|
---|
1054 | arrhere++;
|
---|
1055 | }
|
---|
1056 |
|
---|
1057 | // success
|
---|
1058 |
|
---|
1059 | // reset logout to what it was
|
---|
1060 | disp.setlogout (savedlogout);
|
---|
1061 | return true;
|
---|
1062 | }
|
---|
1063 |
|
---|
1064 |
|
---|
1065 | // check_mainargs will check all the main arguments. If a major
|
---|
1066 | // error is found it will return false and no cgi page should
|
---|
1067 | // be created using the arguments.
|
---|
1068 | bool receptionist::check_mainargs (cgiargsclass &args, ostream &logout) {
|
---|
1069 | // if this receptionist is running in collection dependant mode
|
---|
1070 | // then it should always set the collection argument to the
|
---|
1071 | // collection
|
---|
1072 | if (!configinfo.collection.empty()) args["c"] = configinfo.collection;
|
---|
1073 |
|
---|
1074 | // if current collection uses ccscols make sure
|
---|
1075 | // "ccs" argument is set and make "cc" default to
|
---|
1076 | // all collections in "ccs"
|
---|
1077 | if (!args["c"].empty()) {
|
---|
1078 |
|
---|
1079 | text_t &arg_c = args["c"];
|
---|
1080 | recptproto *collectproto = protocols.getrecptproto (arg_c, logout);
|
---|
1081 | if (collectproto == NULL) {
|
---|
1082 | // oops, this collection isn't valid
|
---|
1083 | outconvertclass text_t2ascii;
|
---|
1084 | logout << text_t2ascii << "ERROR: Invalid collection: " << arg_c << "\n";
|
---|
1085 | args["c"].clear();
|
---|
1086 |
|
---|
1087 | } else {
|
---|
1088 |
|
---|
1089 | ColInfoResponse_t *cinfo = get_collectinfo_ptr (collectproto, arg_c, logout);
|
---|
1090 |
|
---|
1091 | if (cinfo != NULL) {
|
---|
1092 | if (!cinfo->ccsCols.empty()) {
|
---|
1093 | args["ccs"] = 1;
|
---|
1094 | if (args["cc"].empty()) {
|
---|
1095 | text_tarray::const_iterator col_here = cinfo->ccsCols.begin();
|
---|
1096 | text_tarray::const_iterator col_end = cinfo->ccsCols.end();
|
---|
1097 | bool first = true;
|
---|
1098 | while (col_here != col_end) {
|
---|
1099 | // make sure it's a valid collection
|
---|
1100 | if (protocols.getrecptproto (*col_here, logout) != NULL) {
|
---|
1101 | if (!first) args["cc"].push_back (',');
|
---|
1102 | args["cc"] += *col_here;
|
---|
1103 | first = false;
|
---|
1104 | }
|
---|
1105 | col_here ++;
|
---|
1106 | }
|
---|
1107 | }
|
---|
1108 | }
|
---|
1109 | } else {
|
---|
1110 | logout << "ERROR (receptionist::check_mainargs): get_collectinfo_ptr returned NULL\n";
|
---|
1111 | }
|
---|
1112 | }
|
---|
1113 | }
|
---|
1114 |
|
---|
1115 | // argument "v" can only be 0 or 1. Use the default value
|
---|
1116 | // if it is out of range
|
---|
1117 | int arg_v = args.getintarg ("v");
|
---|
1118 | if (arg_v != 0 && arg_v != 1) {
|
---|
1119 | cgiarginfo *vinfo = argsinfo.getarginfo ("v");
|
---|
1120 | if (vinfo != NULL) args["v"] = vinfo->argdefault;
|
---|
1121 | }
|
---|
1122 |
|
---|
1123 | // argument "f" can only be 0 or 1. Use the default value
|
---|
1124 | // if it is out of range
|
---|
1125 | int arg_f = args.getintarg ("f");
|
---|
1126 | if (arg_f != 0 && arg_f != 1) {
|
---|
1127 | cgiarginfo *finfo = argsinfo.getarginfo ("f");
|
---|
1128 | if (finfo != NULL) args["f"] = finfo->argdefault;
|
---|
1129 | }
|
---|
1130 |
|
---|
1131 | return true;
|
---|
1132 | }
|
---|
1133 |
|
---|
1134 | // translate_OIDs translates the "d" and "cl" arguments to their correct values
|
---|
1135 | // if they use the tricky ".fc", ".lc" type syntax.
|
---|
1136 | void receptionist::translate_OIDs (cgiargsclass &args, recptproto *collectproto,
|
---|
1137 | ostream &logout) {
|
---|
1138 |
|
---|
1139 | FilterResponse_t response;
|
---|
1140 | FilterRequest_t request;
|
---|
1141 | comerror_t err;
|
---|
1142 | text_t &arg_d = args["d"];
|
---|
1143 | text_t &arg_cl = args["cl"];
|
---|
1144 | text_t &collection = args["c"];
|
---|
1145 |
|
---|
1146 | // do a call to translate OIDs if required
|
---|
1147 | request.filterName = "NullFilter";
|
---|
1148 | request.filterResultOptions = FROID;
|
---|
1149 | if (!arg_d.empty() && needs_translating (arg_d)) {
|
---|
1150 | request.docSet.push_back (arg_d);
|
---|
1151 | collectproto->filter (collection, request, response, err, logout);
|
---|
1152 | arg_d = response.docInfo[0].OID;
|
---|
1153 | request.clear();
|
---|
1154 | }
|
---|
1155 | // we'll also check here that the "cl" argument has a "classify" doctype
|
---|
1156 | // (in case ".fc" or ".lc" have screwed up)
|
---|
1157 | if (needs_translating (arg_cl)) {
|
---|
1158 | request.fields.insert ("doctype");
|
---|
1159 | request.docSet.push_back (arg_cl);
|
---|
1160 | request.filterResultOptions = FRmetadata;
|
---|
1161 | collectproto->filter (collection, request, response, err, logout);
|
---|
1162 | // set to original value (without .xx stuff) if doctype isn't "classify"
|
---|
1163 | if (response.docInfo[0].metadata["doctype"].values[0] != "classify")
|
---|
1164 | strip_suffix (arg_cl);
|
---|
1165 | else
|
---|
1166 | arg_cl = response.docInfo[0].OID;
|
---|
1167 | }
|
---|
1168 | }
|
---|
1169 |
|
---|
1170 | // prepare_page sets up page parameters, sets display macros
|
---|
1171 | // and opens the page ready for output
|
---|
1172 | void receptionist::prepare_page (action *a, cgiargsclass &args,
|
---|
1173 | outconvertclass &outconvert,
|
---|
1174 | ostream &logout) {
|
---|
1175 | // set up page parameters
|
---|
1176 | text_t pageparams;
|
---|
1177 | bool first = true;
|
---|
1178 |
|
---|
1179 | text_tmap::iterator params_here = configinfo.pageparams.begin();
|
---|
1180 | text_tmap::iterator params_end = configinfo.pageparams.end();
|
---|
1181 | while (params_here != params_end) {
|
---|
1182 | if (args[(*params_here).first] != (*params_here).second) {
|
---|
1183 | if (!first) pageparams += ",";
|
---|
1184 | first = false;
|
---|
1185 | pageparams += (*params_here).first;
|
---|
1186 | pageparams += "=";
|
---|
1187 | pageparams += args[(*params_here).first];
|
---|
1188 | }
|
---|
1189 |
|
---|
1190 | params_here++;
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 |
|
---|
1194 | // open the page
|
---|
1195 | disp.openpage(pageparams, configinfo.macroprecedence);
|
---|
1196 |
|
---|
1197 | // define external macros for each action
|
---|
1198 | actionptrmap::iterator actionhere = actions.begin ();
|
---|
1199 | actionptrmap::iterator actionend = actions.end ();
|
---|
1200 |
|
---|
1201 | while (actionhere != actionend) {
|
---|
1202 | assert ((*actionhere).second.a != NULL);
|
---|
1203 | if ((*actionhere).second.a != NULL) {
|
---|
1204 | (*actionhere).second.a->define_external_macros (disp, args, &protocols, logout);
|
---|
1205 | }
|
---|
1206 | actionhere++;
|
---|
1207 | }
|
---|
1208 |
|
---|
1209 | // define internal macros for the current action
|
---|
1210 | a->define_internal_macros (disp, args, &protocols, logout);
|
---|
1211 |
|
---|
1212 | // define general macros. the defining of general macros is done here so that
|
---|
1213 | // the last possible version of the cgi arguments are used
|
---|
1214 | define_general_macros (args, outconvert, logout);
|
---|
1215 | }
|
---|
1216 |
|
---|
1217 | void receptionist::define_general_macros (cgiargsclass &args, outconvertclass &/*outconvert*/,
|
---|
1218 | ostream &logout) {
|
---|
1219 |
|
---|
1220 | text_t &collection = args["c"];
|
---|
1221 |
|
---|
1222 | disp.setmacro ("gsdlhome", "Global", dm_safe(configinfo.gsdlhome));
|
---|
1223 | disp.setmacro ("gwcgi", "Global", configinfo.gwcgi);
|
---|
1224 | disp.setmacro ("httpimg", "Global", configinfo.httpimg);
|
---|
1225 | disp.setmacro ("httpprefix", "Global", configinfo.httpprefix);
|
---|
1226 |
|
---|
1227 | if (!collection.empty()) {
|
---|
1228 | // DB // ****
|
---|
1229 | ColInfoResponse_t cinfo;
|
---|
1230 | comerror_t err;
|
---|
1231 | recptproto *collectproto = protocols.getrecptproto (collection, logout);
|
---|
1232 | if (collectproto != NULL) {
|
---|
1233 | collectproto->get_collectinfo (collection, cinfo, err, logout);
|
---|
1234 | text_t httpcollection;
|
---|
1235 | if (!cinfo.httpdomain.empty()) httpcollection = "http://";
|
---|
1236 | httpcollection += cinfo.httpdomain + cinfo.httpprefix + "/collect/" + collection;
|
---|
1237 | disp.setmacro ("httpcollection", "Global", httpcollection);
|
---|
1238 | }
|
---|
1239 | }
|
---|
1240 |
|
---|
1241 | text_t compressedoptions = get_compressed_arg(args, logout);
|
---|
1242 | disp.setmacro ("compressedoptions", "Global", dm_safe(compressedoptions));
|
---|
1243 | // need a decoded version of compressedoptions for use within forms
|
---|
1244 | // as browsers encode values from forms before sending to server
|
---|
1245 | // (e.g. %25 becomes %2525)
|
---|
1246 | decode_cgi_arg (compressedoptions);
|
---|
1247 | disp.setmacro ("decodedcompressedoptions", "Global", dm_safe(compressedoptions));
|
---|
1248 |
|
---|
1249 | #if defined (__WIN32__)
|
---|
1250 | disp.setmacro ("win32", "Global", "1");
|
---|
1251 | #endif
|
---|
1252 |
|
---|
1253 | // set _cgiargX_ macros for each cgi argument
|
---|
1254 | cgiargsclass::const_iterator argshere = args.begin();
|
---|
1255 | cgiargsclass::const_iterator argsend = args.end();
|
---|
1256 | while (argshere != argsend) {
|
---|
1257 | if (((*argshere).first == "q") ||
|
---|
1258 | ((*argshere).first == "qa") ||
|
---|
1259 | ((*argshere).first == "qtt") ||
|
---|
1260 | ((*argshere).first == "qty") ||
|
---|
1261 | ((*argshere).first == "qp") ||
|
---|
1262 | ((*argshere).first == "qpl") ||
|
---|
1263 | ((*argshere).first == "qr") ||
|
---|
1264 | ((*argshere).first == "q2"))
|
---|
1265 | // need to escape special characters from query string
|
---|
1266 | disp.setmacro ("cgiarg" + (*argshere).first,
|
---|
1267 | "Global", html_safe((*argshere).second.value));
|
---|
1268 | else
|
---|
1269 | disp.setmacro ("cgiarg" + (*argshere).first, "Global", dm_safe((*argshere).second.value));
|
---|
1270 | argshere ++;
|
---|
1271 | }
|
---|
1272 |
|
---|
1273 | // display text right to left if language is arabic (and if browser can support it)
|
---|
1274 | if (args["l"] == "ar")
|
---|
1275 | disp.setmacro ("htmlextra", "Global", " dir=rtl");
|
---|
1276 |
|
---|
1277 | // set collection specific macros
|
---|
1278 | if (!collection.empty()) {
|
---|
1279 | recptproto *collectproto = protocols.getrecptproto (collection, logout);
|
---|
1280 | if (collectproto != NULL) {
|
---|
1281 | FilterResponse_t response;
|
---|
1282 | text_tset metadata;
|
---|
1283 | get_info ("collection", collection, metadata, false,
|
---|
1284 | collectproto, response, logout);
|
---|
1285 |
|
---|
1286 | if (!response.docInfo[0].metadata.empty()) {
|
---|
1287 | MetadataInfo_tmap::const_iterator here = response.docInfo[0].metadata.begin();
|
---|
1288 | MetadataInfo_tmap::const_iterator end = response.docInfo[0].metadata.end();
|
---|
1289 | while (here != end) {
|
---|
1290 | if (((*here).first != "haschildren") && ((*here).first != "hasnext") &&
|
---|
1291 | ((*here).first != "hasprevious")) {
|
---|
1292 | // check for args in form name:lang
|
---|
1293 | text_t name = "";
|
---|
1294 | text_t lang = "";
|
---|
1295 | bool colonfound=false;
|
---|
1296 | text_t::const_iterator a = (*here).first.begin();
|
---|
1297 | text_t::const_iterator b = (*here).first.end();
|
---|
1298 | while (a !=b) {
|
---|
1299 | if (*a==':') {
|
---|
1300 | colonfound=true;
|
---|
1301 | }
|
---|
1302 | else {
|
---|
1303 | if (colonfound)
|
---|
1304 | lang.push_back(*a);
|
---|
1305 | else name.push_back(*a);
|
---|
1306 | }
|
---|
1307 | a++;
|
---|
1308 | }
|
---|
1309 | if (!lang.empty()) {
|
---|
1310 | if (args["l"]==lang) {
|
---|
1311 | disp.setmacro (name, "Global", (*here).second.values[0]);
|
---|
1312 | }
|
---|
1313 | }
|
---|
1314 | else { // the default one
|
---|
1315 | disp.setmacro ((*here).first, "Global", (*here).second.values[0]);
|
---|
1316 | }
|
---|
1317 | }
|
---|
1318 | here ++;
|
---|
1319 | }
|
---|
1320 | }
|
---|
1321 |
|
---|
1322 | text_t iconcollection;
|
---|
1323 | disp.expandstring ("Global", "_iconcollection_", iconcollection);
|
---|
1324 | if (!iconcollection.empty())
|
---|
1325 | {
|
---|
1326 | ColInfoResponse_t cinfo;
|
---|
1327 | comerror_t err;
|
---|
1328 | collectproto->get_collectinfo (collection, cinfo, err, logout);
|
---|
1329 | if (iconcollection[0]=='/' && !cinfo.httpdomain.empty())
|
---|
1330 | {
|
---|
1331 | // local but with full path
|
---|
1332 | iconcollection = "http://" + cinfo.httpdomain + iconcollection;
|
---|
1333 | disp.setmacro("iconcollection", "Global", iconcollection);
|
---|
1334 | }
|
---|
1335 | }
|
---|
1336 | }
|
---|
1337 | }
|
---|
1338 | }
|
---|
1339 |
|
---|
1340 | // gets collection info from cache if found or
|
---|
1341 | // calls collection server (and updates cache)
|
---|
1342 | // returns NULL if there's an error
|
---|
1343 | ColInfoResponse_t *receptionist::get_collectinfo_ptr (recptproto *collectproto,
|
---|
1344 | const text_t &collection,
|
---|
1345 | ostream &logout) {
|
---|
1346 |
|
---|
1347 | // check the cache
|
---|
1348 | colinfo_tmap::iterator it = configinfo.collectinfo.find (collection);
|
---|
1349 | if ((it != configinfo.collectinfo.end()) && ((*it).second.info_loaded)) {
|
---|
1350 | // found it
|
---|
1351 | return &((*it).second.info);
|
---|
1352 | }
|
---|
1353 |
|
---|
1354 | // not cached, get info from collection server
|
---|
1355 | if (collectproto == NULL) {
|
---|
1356 | logout << "ERROR: receptionist::get_collectinfo_ptr passed null collectproto\n";
|
---|
1357 | return NULL;
|
---|
1358 | }
|
---|
1359 |
|
---|
1360 | comerror_t err;
|
---|
1361 | if (it == configinfo.collectinfo.end()) {
|
---|
1362 | collectioninfo_t cinfo;
|
---|
1363 | collectproto->get_collectinfo (collection, cinfo.info, err, logout);
|
---|
1364 | if (err != noError) {
|
---|
1365 | outconvertclass text_t2ascii;
|
---|
1366 | logout << text_t2ascii << "ERROR (receptionist::getcollectinfo_ptr): \""
|
---|
1367 | << get_comerror_string (err) << "\"while getting collectinfo\n";
|
---|
1368 | return NULL;
|
---|
1369 | }
|
---|
1370 | cinfo.info_loaded = true;
|
---|
1371 | configinfo.collectinfo[collection] = cinfo;
|
---|
1372 | return &(configinfo.collectinfo[collection].info);
|
---|
1373 | } else {
|
---|
1374 | collectproto->get_collectinfo (collection, (*it).second.info, err, logout);
|
---|
1375 | if (err != noError) {
|
---|
1376 | outconvertclass text_t2ascii;
|
---|
1377 | logout << text_t2ascii << "ERROR (receptionist::getcollectinfo_ptr): \""
|
---|
1378 | << get_comerror_string (err) << "\"while getting collectinfo\n";
|
---|
1379 | return NULL;
|
---|
1380 | }
|
---|
1381 | (*it).second.info_loaded = true;
|
---|
1382 | return &((*it).second.info);
|
---|
1383 | }
|
---|
1384 | }
|
---|
1385 |
|
---|
1386 | // removes a collection from the cache so that the next
|
---|
1387 | // call to get_collectinfo_ptr() for that collection will
|
---|
1388 | // retrieve the collection info from the collection server
|
---|
1389 | void receptionist::uncache_collection (const text_t &collection) {
|
---|
1390 |
|
---|
1391 | colinfo_tmap::iterator it = configinfo.collectinfo.find (collection);
|
---|
1392 | if ((it != configinfo.collectinfo.end()) && ((*it).second.info_loaded)) {
|
---|
1393 |
|
---|
1394 | (*it).second.info_loaded = false;
|
---|
1395 |
|
---|
1396 | }
|
---|
1397 | }
|
---|
1398 |
|
---|
1399 | // Handles an "Encoding" line from a configuration file - note that the
|
---|
1400 | // configinfo.encodings map is a bit of a hack (to be fixed when the
|
---|
1401 | // configuration files are tidied up).
|
---|
1402 | void receptionist::configure_encoding (const text_tarray &cfgline) {
|
---|
1403 |
|
---|
1404 | text_t subkey, subvalue, shortname, longname, mapfile;
|
---|
1405 | int multibyte = 0;
|
---|
1406 | text_t::const_iterator cfglinesub_here;
|
---|
1407 | text_tarray::const_iterator cfgline_here = cfgline.begin();
|
---|
1408 | text_tarray::const_iterator cfgline_end = cfgline.end();
|
---|
1409 | while (cfgline_here != cfgline_end) {
|
---|
1410 | if (*cfgline_here == "multibyte") {
|
---|
1411 | multibyte = 1;
|
---|
1412 | } else {
|
---|
1413 | cfglinesub_here = getdelimitstr((*cfgline_here).begin(),
|
---|
1414 | (*cfgline_here).end(), '=', subkey);
|
---|
1415 | if (subkey == "shortname") {
|
---|
1416 | shortname = substr (cfglinesub_here, (*cfgline_here).end());
|
---|
1417 | } else if (subkey == "longname") {
|
---|
1418 | longname = substr (cfglinesub_here, (*cfgline_here).end());
|
---|
1419 | } else if (subkey == "map") {
|
---|
1420 | mapfile = substr (cfglinesub_here, (*cfgline_here).end());
|
---|
1421 | }
|
---|
1422 | }
|
---|
1423 | cfgline_here++;
|
---|
1424 | }
|
---|
1425 | if (!shortname.empty()) {
|
---|
1426 | if (longname.empty()) longname = shortname;
|
---|
1427 |
|
---|
1428 | // add the converter
|
---|
1429 | if (shortname == "utf-8") {
|
---|
1430 | utf8inconvertclass *utf8inconvert = new utf8inconvertclass();
|
---|
1431 | utf8outconvertclass *utf8outconvert = new utf8outconvertclass();
|
---|
1432 | utf8outconvert->set_rzws(1);
|
---|
1433 | add_converter (shortname, utf8inconvert, utf8outconvert);
|
---|
1434 | configinfo.encodings[longname] = shortname;
|
---|
1435 |
|
---|
1436 | } else if (!mapfile.empty()) {
|
---|
1437 |
|
---|
1438 | if (mapfile == "8859_1.ump") {
|
---|
1439 | // iso-8859-1 is a special case as it'll always be supported by the
|
---|
1440 | // standard converter class and therefore doesn't need to use its
|
---|
1441 | // mapping file
|
---|
1442 | inconvertclass *inconvert = new inconvertclass();
|
---|
1443 | rzwsoutconvertclass *outconvert = new rzwsoutconvertclass();
|
---|
1444 | outconvert->set_rzws(1);
|
---|
1445 | add_converter (shortname, inconvert, outconvert);
|
---|
1446 | configinfo.encodings[longname] = shortname;
|
---|
1447 |
|
---|
1448 | } else {
|
---|
1449 | text_t to_uc_map = filename_cat(configinfo.gsdlhome, "mappings", "to_uc", mapfile);
|
---|
1450 | text_t from_uc_map = filename_cat(configinfo.gsdlhome, "mappings", "from_uc", mapfile);
|
---|
1451 | if (file_exists(to_uc_map) && file_exists(from_uc_map)) {
|
---|
1452 |
|
---|
1453 | mapinconvertclass *mapinconvert = new mapinconvertclass();
|
---|
1454 | mapinconvert->setmapfile (to_uc_map, 0x003F);
|
---|
1455 | mapinconvert->set_multibyte (multibyte);
|
---|
1456 | mapoutconvertclass *mapoutconvert = new mapoutconvertclass();
|
---|
1457 | mapoutconvert->setmapfile (from_uc_map, 0x3F);
|
---|
1458 | mapoutconvert->set_multibyte (multibyte);
|
---|
1459 | mapoutconvert->set_rzws(1);
|
---|
1460 | add_converter (shortname, mapinconvert, mapoutconvert);
|
---|
1461 | configinfo.encodings[longname] = shortname;
|
---|
1462 | }
|
---|
1463 | }
|
---|
1464 | }
|
---|
1465 | }
|
---|
1466 | }
|
---|