version 1.11, 2006/06/27 21:47:15
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version 1.19, 2006/12/09 23:33:56
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Line 38 use POSIX;
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Line 38 use POSIX;
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my $loncapa_max_wait_time = 13; |
my $loncapa_max_wait_time = 13; |
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use vars qw($match_domain $match_not_domain |
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$match_username $match_not_username |
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$match_courseid $match_not_courseid |
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$match_name |
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$match_handle $match_not_handle); |
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require Exporter; |
require Exporter; |
our @ISA = qw (Exporter); |
our @ISA = qw (Exporter); |
our @EXPORT = qw(&escape_LaTeX &add_get_param &escape &unescape &tie_domain_hash &untie_domain_hash &tie_user_hash &untie_user_hash &propath); |
our @EXPORT = qw(&add_get_param &escape &unescape |
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&tie_domain_hash &untie_domain_hash &tie_user_hash |
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&untie_user_hash &propath); |
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our @EXPORT_OK = qw($match_domain $match_not_domain |
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$match_username $match_not_username |
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$match_courseid $match_not_courseid |
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$match_name |
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$match_handle $match_not_handle); |
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our %EXPORT_TAGS = ( 'match' =>[qw($match_domain $match_not_domain |
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$match_username $match_not_username |
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$match_courseid $match_not_courseid |
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$match_name |
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$match_handle $match_not_handle)],); |
my %perlvar; |
my %perlvar; |
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# Escape a LaTeX string of special characters that according to LaTeX line by line |
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# pg 9 are: # $ % & \ ^ _ { } ~ These are escaped by prepending a \ |
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# |
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sub escape_LaTeX { |
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my ($string) = @_; |
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$string =~ s/[\#\$\%\&\\^_{}]/\\$&/g; |
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return $string; |
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} |
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# Inputs are a url, and a hash ref of |
# Inputs are a url, and a hash ref of |
Line 91 sub unescape {
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Line 102 sub unescape {
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return $str; |
return $str; |
} |
} |
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$match_domain = $LONCAPA::domain_re = qr{[\w\-.]+}; |
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$match_not_domain = $LONCAPA::not_domain_re = qr{[^\w\-.]+}; |
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sub clean_domain { |
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my ($domain) = @_; |
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$domain =~ s/$match_not_domain//g; |
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return $domain; |
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} |
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$match_username = $LONCAPA::username_re = qr{[a-zA-Z\_][\w\-.]+}; |
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$match_not_username = $LONCAPA::not_username_re = qr{[^\w\-.]+}; |
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sub clean_username { |
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my ($username) = @_; |
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$username =~ s/^\d+//; |
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$username =~ s/$match_not_username//g; |
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return $username; |
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} |
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$match_courseid = $LONCAPA::courseid_re = qr{\d[\w\-.]+}; |
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$match_not_courseid = $LONCAPA::not_courseid_re = qr{[^\w\-.]+}; |
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$match_name = $LONCAPA::name = qr{$match_username|$match_courseid}; |
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sub clean_name { |
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my ($name) = @_; |
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$name =~ s/$match_not_username//g; |
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return $name; |
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} |
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sub split_courseid { |
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my ($courseid) = @_; |
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my ($domain,$coursenum) = |
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($courseid=~m{^/($match_domain)/($match_courseid)}); |
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return ($domain,$coursenum); |
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} |
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$match_handle = $LONCAPA::handle_re = qr{[\w\-.]+}; |
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$match_not_handle = $LONCAPA::not_handle_re = qr{[^\w\-.]+}; |
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sub clean_handle { |
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my ($handle) = @_; |
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$handle =~ s/$match_not_handle//g; |
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return $handle; |
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} |
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# -------------------------------------------- Return path to profile directory |
# -------------------------------------------- Return path to profile directory |
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sub propath { |
sub propath { |
my ($udom,$uname)=@_; |
my ($udom,$uname)=@_; |
$udom=~s/\W//g; |
$udom = &clean_domain($udom); |
$uname=~s/\W//g; |
$uname= &clean_name($uname); |
my $subdir=$uname.'__'; |
my $subdir=$uname.'__'; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
Line 130 sub tie_domain_hash {
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Line 184 sub tie_domain_hash {
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# Filter out any whitespace in the domain name: |
# Filter out any whitespace in the domain name: |
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$domain =~ s/\W//g; |
$domain = &clean_domain($domain); |
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# We have enough to go on to tie the hash: |
# We have enough to go on to tie the hash: |
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Line 165 sub untie_domain_hash {
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Line 219 sub untie_domain_hash {
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sub tie_user_hash { |
sub tie_user_hash { |
my ($domain,$user,$namespace,$how,$loghead,$what) = @_; |
my ($domain,$user,$namespace,$how,$loghead,$what) = @_; |
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$namespace=~s/\//\_/g; # / -> _ |
$namespace=~s{/}{_}g; # / -> _ |
$namespace=~s/\W//g; # whitespace eliminated. |
$namespace = &clean_username($namespace); |
my $proname = &propath($domain, $user); |
my $proname = &propath($domain, $user); |
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my $file_prefix="$proname/$namespace"; |
my $file_prefix="$proname/$namespace"; |
return &_locking_hash_tie($file_prefix,$namespace,$how,$loghead,$what); |
return &_locking_hash_tie($file_prefix,$namespace,$how,$loghead,$what); |
} |
} |
Line 305 sub _do_hash_untie {
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Line 358 sub _do_hash_untie {
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# Change access mode to non-blocking |
# Change access mode to non-blocking |
$how=$how|&GDBM_NOLOCK(); |
$how=$how|&GDBM_NOLOCK(); |
# Go ahead and tie the hash |
# Go ahead and tie the hash |
return &_do_hash_tie($file_prefix,$namespace,$how,$loghead,$what); |
my $result = |
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&_do_hash_tie($file_prefix,$namespace,$how,$loghead,$what); |
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if (!$result) { |
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&clean_sym(); |
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} |
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return $result; |
} |
} |
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sub flock_sym { |
sub flock_sym { |