1 | #include <iostream>
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2 | #include <fstream>
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3 | #include <iomanip>
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4 |
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5 | using namespace std;
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6 |
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7 | #include "wrapper.h"
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8 | #include "libsearch4j.h"
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9 |
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10 | bool extract_bundled_file( const char[], int, char*, bool );
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11 |
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12 | int main(int argc, char** argv) {
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13 |
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14 | string tempdir = "@[email protected]"; //temporary directory where we will store extracted files
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15 | string jarfile = tempdir + "/@[email protected]"; //where we will store the jar file
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16 | string javafile = tempdir + "/@java.installer@"; //where we will store the java tar file
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17 | bool succeeded = false;
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18 |
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19 | //create the temp folder
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20 | cout << "Creating temp directory..." << endl;
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21 | succeeded = ( 0 == system( ("mkdir " + tempdir).c_str() ) );
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22 | if ( !succeeded ) {
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23 | cout << "Failed to write to create the temp directory '" << tempdir << "'" << endl;
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24 | cout << "Check that it does not already exist and try again" << endl;
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25 | cout << "Exiting" << endl;
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26 | return 1;
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27 | }
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28 |
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29 | //extract files
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30 | cout << "Extracting installer jar..." << endl;
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31 | succeeded = extract_bundled_file( @installer.name@jar, sizeof(@installer.name@jar), (char*)jarfile.c_str(), false);
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32 |
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33 | #ifdef java_is_bundled
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34 | cout << "Extracting bundled java..." << endl;
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35 | succeeded = extract_bundled_file( java, sizeof(java), (char*)javafile.c_str(), true ) && succeeded;
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36 | #endif
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37 |
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38 | if ( !succeeded ) {
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39 | cout << "Failed to extract one or more resources" << endl;
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40 | cout << "This installer may not have sufficient file permissions to write it to disk" << endl;
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41 | cout << "Or, the files may be corrupt or missing from this executable" << endl;
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42 | cout << "Exiting" << endl;
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43 | return 1;
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44 | }
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45 |
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46 | //change to the temp directory
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47 | chdir( tempdir.c_str() );
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48 |
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49 | #ifdef java_is_bundled
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50 | succeeded = (system( "/bin/sh -c ./@java.installer@" ) == 0);
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51 | succeeded = succeeded && ( system( "tar -xf jre.tar" ) == 0 );
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52 | if ( !succeeded ) {
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53 | cout << "Failed to extract the bundled java archive to the temp directory" << endl;
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54 | cout << "You need the tar program on your PATH" << endl;
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55 | cout << "Exiting" << endl;
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56 | return 1;
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57 | }
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58 | #endif
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59 |
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60 | //check if an appropriate java is found
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61 | Jvm minimum; minimum.setVersionFromString( "@java.min.version@" );
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62 | string phint = "./@java.extracted@";
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63 | string hint = "";
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64 | Jvm foundJvm;
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65 | bool jvmFound = find( foundJvm, true, minimum, phint, hint, false );
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66 |
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67 | //if the jvm was not found, report not found
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68 | if ( !jvmFound ) {
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69 |
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70 | //did not find a good java
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71 | cout << "Greenstone requires java @java.min.version@ or greater." << endl;
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72 |
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73 | //tell them if java is absent or just too old
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74 | Jvm tmpJvm;
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75 | if ( find( tmpJvm, false, minimum, phint, hint, false ) ) {
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76 | cout << "You have java, but it is too old." << endl;
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77 | } else {
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78 | cout << "Could not find java on your system." << endl;
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79 | }
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80 |
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81 | cout << "Install java (@java.min.version@ or greater) and set JAVA_HOME or JRE_HOME, and try again" << endl;
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82 | #ifndef java_is_bundled
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83 | cout << "Or, download a greentsone3 installer with bundled java and use that instead of this one" << endl;
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84 | #endif
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85 |
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86 | //if we have found it, launch the installer
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87 | } else {
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88 |
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89 | cout << "Launching Installer ..." << endl;
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90 | int launch_exit_code = 0;
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91 | launch_exit_code = system( (foundJvm.getExecutable() + " -Xmx85M -jar @[email protected]").c_str() );
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92 |
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93 | //report how it went
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94 | if ( launch_exit_code == 0 ) {
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95 | cout << "Setup complete" << endl;
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96 | } else {
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97 | cout << "The installer exited with an error" << endl;
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98 | cout << "Greenstone may not be correctly installed" << endl;
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99 | }
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100 |
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101 | }
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102 |
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103 | //change back to the original directory
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104 | chdir("..");
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105 |
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106 | //delete the temp files
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107 | cout << "Deleting the temp directory" << endl;
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108 | system( ("rm -rf " + tempdir).c_str() );
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109 |
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110 | return 0;
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111 |
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112 | }
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113 |
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114 | bool extract_bundled_file( const char data[], int size, char* filename, bool make_executable) {
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115 |
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116 | if ( size == 0 ) return false;
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117 |
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118 | //delete the file if it exists
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119 | remove( filename );
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120 |
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121 | //open the file
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122 | fstream binary_file( filename, ios::out|ios::binary );
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123 | if ( !binary_file.good() ) {
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124 | binary_file.close();
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125 | return false;
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126 | }
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127 |
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128 | //write the file
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129 | binary_file.write( data, size );
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130 | if ( !binary_file.good() ) {
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131 | binary_file.close();
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132 | return false;
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133 | }
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134 |
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135 | //close the file
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136 | binary_file.close();
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137 | if ( !binary_file.good() ) {
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138 | binary_file.close();
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139 | return false;
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140 | }
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141 |
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142 | if ( make_executable ) {
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143 | string command = "chmod a+x " + string(filename);
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144 | system( command.c_str() );
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145 | }
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146 |
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147 | return true;
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148 |
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149 | }
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