diff options
Diffstat (limited to 'contrib/perl5/eg/cgi/save_state.cgi')
-rw-r--r-- | contrib/perl5/eg/cgi/save_state.cgi | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/contrib/perl5/eg/cgi/save_state.cgi b/contrib/perl5/eg/cgi/save_state.cgi deleted file mode 100644 index 85bacaf..0000000 --- a/contrib/perl5/eg/cgi/save_state.cgi +++ /dev/null @@ -1,67 +0,0 @@ -#!/usr/local/bin/perl - -use CGI; -$query = new CGI; - -print $query->header; -print $query->start_html("Save and Restore Example"); -print "<H1>Save and Restore Example</H1>\n"; - -# Here's where we take action on the previous request -&save_parameters($query) if $query->param('action') eq 'SAVE'; -$query = &restore_parameters($query) if $query->param('action') eq 'RESTORE'; - -# Here's where we create the form -print $query->start_multipart_form; -print "Popup 1: ",$query->popup_menu('popup1',[qw{red green purple magenta orange chartreuse brown}]),"\n"; -print "Popup 2: ",$query->popup_menu('popup2',[qw{lion tiger bear zebra potto wildebeest frog emu gazelle}]),"\n"; -print "<P>"; -$default_name = $query->remote_addr . '.sav'; -print "Save/restore state from file: ",$query->textfield('savefile',$default_name),"\n"; -print "<P>"; -print $query->submit('action','SAVE'),$query->submit('action','RESTORE'); -print "<P>",$query->defaults; -print $query->endform; - -# Here we print out a bit at the end -print $query->end_html; - -sub save_parameters { - local($query) = @_; - local($filename) = &clean_name($query->param('savefile')); - if (open(FILE,">$filename")) { - $query->save(FILE); - close FILE; - print "<STRONG>State has been saved to file $filename</STRONG>\n"; - print "<P>If you remember this name you can restore the state later.\n"; - } else { - print "<STRONG>Error:</STRONG> couldn't write to file $filename: $!\n"; - } -} - -sub restore_parameters { - local($query) = @_; - local($filename) = &clean_name($query->param('savefile')); - if (open(FILE,$filename)) { - $query = new CGI(FILE); # Throw out the old query, replace it with a new one - close FILE; - print "<STRONG>State has been restored from file $filename</STRONG>\n"; - } else { - print "<STRONG>Error:</STRONG> couldn't restore file $filename: $!\n"; - } - return $query; -} - - -# Very important subroutine -- get rid of all the naughty -# metacharacters from the file name. If there are, we -# complain bitterly and die. -sub clean_name { - local($name) = @_; - unless ($name=~/^[\w\._\-]+$/) { - print "<STRONG>$name has naughty characters. Only "; - print "alphanumerics are allowed. You can't use absolute names.</STRONG>"; - die "Attempt to use naughty characters"; - } - return "WORLD_WRITABLE/$name"; -} |