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#the dumb terminal webmysql module |
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#mt 21/09/2003 2.3 updated readkey sub |
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#mt 28/09/2003 2.3 updated readkey sub |
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package Plack::App::WebMySQL::Key; |
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BEGIN { |
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use Exporter(); |
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use Plack::App::WebMySQL; |
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@ISA = qw(Exporter); |
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@EXPORT = qw(expireKeys createKey readKey updateKey deleteKey); |
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} |
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############################################################################################################### |
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sub expireKeys{ #deletes old keys from the server |
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if(opendir(KEYS, "keys")){ |
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foreach(readdir(KEYS)){ |
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if($_ =~ m/^\d+$/ && (time - $_) > 86400){unlink("keys/$_");} #valid key older than a day found |
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} |
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closedir(KEYS); |
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} |
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else{$error = "Could not check for expired keys: $!\n";} |
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} |
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############################################################################################################### |
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sub createKey{ #creates a new server side cookie |
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my $key = time; |
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if(!-e "keys/$key"){ #key does not exist already |
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if(open(COOKIE, ">keys/$key")){close(COOKIE);} |
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else{$error = "Could not create session file: $!";} |
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return $key; |
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} |
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else{$error = "New session already exists";} |
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return undef; #must of got an error somewhere in this sub |
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} |
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############################################################################################################### |
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sub readKey{ #read the contents of a server side cookie back into the form hash |
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if($_[0]){ #got a key to try and open |
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if(open(COOKIE, "
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while(){ |
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chomp $_; |
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if(m/^([A-Z0-9]+) = (.+)$/){ |
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#print STDERR "$0: cookie line: $1 = $2\n"; |
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$form{lc($1)} = $2; |
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} #store the valid lines |
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#else{print STDERR "$0: Ignoring invalid session file line: $_\n";} #log warning, not really a problem |
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} |
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close(COOKIE); |
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return 1; #everything ok |
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} |
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else{$error = "Your session has expired, please re-login";} |
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} |
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else{$error = "No session givin, please re-login";} |
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return 0; |
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} |
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############################################################################################################### |
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sub updateKey{ #saves last form's data, overwriting the existing key file |
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$_[0] =~ m/^(\d+)$/; #untaint |
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my @wanted = ("database", "password", "host", "user", "type", "fields", "criteria", "tables", "creationfnames", "creationftypes", "creationfsizes", "creationfnulls", "db", "insertdata\\d+"); |
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if(open(COOKIE, ">keys/$1")){ |
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foreach my $name (keys %form){ |
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my $found = 0; |
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foreach(@wanted){ #dont save unwanted elements |
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if($name =~ m/^$_/){ |
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$found = 1; |
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last; |
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} |
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} |
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if($found){print COOKIE uc($name) . " = " . $form{$name} . "\n";} #save this hash element |
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} |
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close(COOKIE); |
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return 1; #everything ok |
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} |
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else{$error = "Cant write session file: $!";} |
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return 0; |
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} |
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############################################################################################################## |
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sub deleteKey{ |
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$_[0] =~ m/^(\d+)$/; #untaint |
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unlink("keys/$1"); |
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} |
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############################################################################### |
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return 1; |
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END {} |