version 1.318.2.2, 2006/02/09 20:39:25
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version 1.326, 2006/05/13 01:31:15
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Line 31
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Line 31
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use strict; |
use strict; |
use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
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use LONCAPA; |
use LONCAPA::Configuration; |
use LONCAPA::Configuration; |
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use IO::Socket; |
use IO::Socket; |
Line 1050 sub _do_hash_untie {
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Line 1051 sub _do_hash_untie {
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sub _locking_hash_tie { |
sub _locking_hash_tie { |
my ($file_prefix,$namespace,$how,$loghead,$what) = @_; |
my ($file_prefix,$namespace,$how,$loghead,$what) = @_; |
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# is this locked by an external program? |
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if (-e "$file_prefix.db.lock") { |
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my $failed=0; |
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eval { |
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local $SIG{__DIE__}='DEFAULT'; |
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local $SIG{ALRM}=sub { |
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$failed=1; |
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die("failed lock"); |
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}; |
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alarm(2*$lond_max_wait_time); |
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while (-e "$file_prefix.db.lock") {} |
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alarm(0); |
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}; |
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if ($failed) { |
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$! = 100; # throwing error # 100 |
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return undef; |
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} |
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} |
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# is this archived? |
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if (-e "$file_prefix.db.gz") { |
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# lock immediately |
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open(TOUCH,">>$file_prefix.db.lock"); |
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close(TOUCH); |
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system("gunzip $file_prefix.db.gz"); |
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if (-e "$file_prefix.hist.gz") { |
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system("gunzip $file_prefix.hist.gz"); |
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} |
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# all set, unlock |
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unlink("$file_prefix.db.lock"); |
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} |
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my ($lock); |
my ($lock); |
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if ($how eq &GDBM_READER()) { |
if ($how eq &GDBM_READER()) { |
Line 3068 sub store_handler {
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Line 3104 sub store_handler {
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my $version=$hashref->{"version:$rid"}; |
my $version=$hashref->{"version:$rid"}; |
my $allkeys=''; |
my $allkeys=''; |
foreach my $pair (@pairs) { |
foreach my $pair (@pairs) { |
my ($key)=split(/=/,$pair); |
my ($key,$value)=split(/=/,$pair); |
$allkeys.=$key.':'; |
$allkeys.=$key.':'; |
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$hashref->{"$version:$rid:$key"}=$value; |
} |
} |
$hashref->{"$version:$rid"}=$what."\×tamp=$now"; |
$hashref->{"$version:$rid:timestamp"}=$now; |
$allkeys.='timestamp'; |
$allkeys.='timestamp'; |
$hashref->{"$version:keys:$rid"}=$allkeys; |
$hashref->{"$version:keys:$rid"}=$allkeys; |
if (&untie_user_hash($hashref)) { |
if (&untie_user_hash($hashref)) { |
Line 3092 sub store_handler {
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Line 3129 sub store_handler {
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} |
} |
®ister_handler("store", \&store_handler, 0, 1, 0); |
®ister_handler("store", \&store_handler, 0, 1, 0); |
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# Modify a set of key=value pairs associated with a versioned name. |
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# |
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# Parameters: |
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# $cmd - Request command keyword. |
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# $tail - Tail of the request. This is a colon |
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# separated list containing: |
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# domain/user - User and authentication domain. |
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# namespace - Name of the database being modified |
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# rid - Resource keyword to modify. |
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# v - Version item to modify |
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# what - new value associated with rid. |
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# |
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# $client - Socket open on the client. |
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# |
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# |
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# Returns: |
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# 1 (keep on processing). |
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# Side-Effects: |
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# Writes to the client |
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sub putstore_handler { |
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my ($cmd, $tail, $client) = @_; |
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my $userinput = "$cmd:$tail"; |
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my ($udom,$uname,$namespace,$rid,$v,$what) =split(/:/,$tail); |
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if ($namespace ne 'roles') { |
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chomp($what); |
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my $hashref = &tie_user_hash($udom, $uname, $namespace, |
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&GDBM_WRCREAT(), "M", |
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"$rid:$v:$what"); |
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if ($hashref) { |
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my $now = time; |
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my %data = &hash_extract($what); |
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my @allkeys; |
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while (my($key,$value) = each(%data)) { |
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push(@allkeys,$key); |
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$hashref->{"$v:$rid:$key"} = $value; |
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} |
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my $allkeys = join(':',@allkeys); |
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$hashref->{"$v:keys:$rid"}=$allkeys; |
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if (&untie_user_hash($hashref)) { |
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&Reply($client, "ok\n", $userinput); |
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} else { |
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&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". |
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"while attempting store\n", $userinput); |
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} |
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} else { |
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&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". |
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"while attempting store\n", $userinput); |
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} |
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} else { |
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&Failure($client, "refused\n", $userinput); |
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} |
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return 1; |
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} |
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®ister_handler("putstore", \&putstore_handler, 0, 1, 0); |
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sub hash_extract { |
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my ($str)=@_; |
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my %hash; |
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foreach my $pair (split(/\&/,$str)) { |
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my ($key,$value)=split(/=/,$pair); |
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$hash{$key}=$value; |
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} |
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return (%hash); |
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} |
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sub hash_to_str { |
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my ($hash_ref)=@_; |
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my $str; |
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foreach my $key (keys(%$hash_ref)) { |
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$str.=$key.'='.$hash_ref->{$key}.'&'; |
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} |
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$str=~s/\&$//; |
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return $str; |
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} |
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# |
# |
# Dump out all versions of a resource that has key=value pairs associated |
# Dump out all versions of a resource that has key=value pairs associated |
# with it for each version. These resources are built up via the store |
# with it for each version. These resources are built up via the store |
Line 3137 sub restore_handler {
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Line 3253 sub restore_handler {
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my @keys=split(/:/,$vkeys); |
my @keys=split(/:/,$vkeys); |
my $key; |
my $key; |
$qresult.="$scope:keys=$vkeys&"; |
$qresult.="$scope:keys=$vkeys&"; |
if (exists($hashref->{"$scope:$rid"})) { |
foreach $key (@keys) { |
my $what=$hashref->{"$scope:$rid"}; |
$qresult.="$scope:$key=".$hashref->{"$scope:$rid:$key"}."&"; |
foreach my $pair (split(/\&/,$hashref->{"$scope:$rid"})) { |
} |
my ($key,$value)=split(/=/,$pair); |
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$qresult.="$scope:".$pair."&"; |
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} |
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} else { |
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foreach $key (@keys) { |
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$qresult.="$scope:$key=".$hashref->{"$scope:$rid:$key"}."&"; |
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} |
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} |
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} |
} |
if (&untie_user_hash($hashref)) { |
if (&untie_user_hash($hashref)) { |
$qresult=~s/\&$//; |
$qresult=~s/\&$//; |
Line 3168 sub restore_handler {
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Line 3276 sub restore_handler {
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®ister_handler("restore", \&restore_handler, 0,1,0); |
®ister_handler("restore", \&restore_handler, 0,1,0); |
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# |
# |
# Add a chat message to to a discussion board. |
# Add a chat message to a synchronous discussion board. |
# |
# |
# Parameters: |
# Parameters: |
# $cmd - Request keyword. |
# $cmd - Request keyword. |
# $tail - Tail of the command. A colon separated list |
# $tail - Tail of the command. A colon separated list |
# containing: |
# containing: |
# cdom - Domain on which the chat board lives |
# cdom - Domain on which the chat board lives |
# cnum - Identifier of the discussion group. |
# cnum - Course containing the chat board. |
# post - Body of the posting. |
# newpost - Body of the posting. |
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# group - Optional group, if chat board is only |
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# accessible in a group within the course |
# $client - Socket open on the client. |
# $client - Socket open on the client. |
# Returns: |
# Returns: |
# 1 - Indicating caller should keep on processing. |
# 1 - Indicating caller should keep on processing. |
Line 3191 sub send_chat_handler {
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Line 3301 sub send_chat_handler {
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my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
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my ($cdom,$cnum,$newpost)=split(/\:/,$tail); |
my ($cdom,$cnum,$newpost,$group)=split(/\:/,$tail); |
&chat_add($cdom,$cnum,$newpost); |
&chat_add($cdom,$cnum,$newpost,$group); |
&Reply($client, "ok\n", $userinput); |
&Reply($client, "ok\n", $userinput); |
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return 1; |
return 1; |
Line 3200 sub send_chat_handler {
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Line 3310 sub send_chat_handler {
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®ister_handler("chatsend", \&send_chat_handler, 0, 1, 0); |
®ister_handler("chatsend", \&send_chat_handler, 0, 1, 0); |
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# |
# |
# Retrieve the set of chat messagss from a discussion board. |
# Retrieve the set of chat messages from a discussion board. |
# |
# |
# Parameters: |
# Parameters: |
# $cmd - Command keyword that initiated the request. |
# $cmd - Command keyword that initiated the request. |
Line 3210 sub send_chat_handler {
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Line 3320 sub send_chat_handler {
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# chat id - Discussion thread(?) |
# chat id - Discussion thread(?) |
# domain/user - Authentication domain and username |
# domain/user - Authentication domain and username |
# of the requesting person. |
# of the requesting person. |
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# group - Optional course group containing |
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# the board. |
# $client - Socket open on the client program. |
# $client - Socket open on the client program. |
# Returns: |
# Returns: |
# 1 - continue processing |
# 1 - continue processing |
Line 3222 sub retrieve_chat_handler {
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Line 3334 sub retrieve_chat_handler {
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my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
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my ($cdom,$cnum,$udom,$uname)=split(/\:/,$tail); |
my ($cdom,$cnum,$udom,$uname,$group)=split(/\:/,$tail); |
my $reply=''; |
my $reply=''; |
foreach (&get_chat($cdom,$cnum,$udom,$uname)) { |
foreach (&get_chat($cdom,$cnum,$udom,$uname,$group)) { |
$reply.=&escape($_).':'; |
$reply.=&escape($_).':'; |
} |
} |
$reply=~s/\:$//; |
$reply=~s/\:$//; |
Line 4355 sub photo_permission_handler {
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Line 4467 sub photo_permission_handler {
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my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
my $cdom = $tail; |
my $cdom = $tail; |
my ($perm_reqd,$conditions); |
my ($perm_reqd,$conditions); |
my $outcome = &localenroll::photo_permission($cdom,\$perm_reqd, |
my $outcome; |
\$conditions); |
eval { |
&Reply($client, &escape($outcome.':'.$perm_reqd.':'. $conditions)."\n", |
local($SIG{__DIE__})='DEFAULT'; |
$userinput); |
$outcome = &localenroll::photo_permission($cdom,\$perm_reqd, |
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\$conditions); |
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}; |
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if (!$@) { |
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&Reply($client, &escape($outcome.':'.$perm_reqd.':'. $conditions)."\n", |
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$userinput); |
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} else { |
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&Failure($client,"unknown_cmd\n",$userinput); |
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} |
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return 1; |
} |
} |
®ister_handler("autophotopermission",\&photo_permission_handler,0,1,0); |
®ister_handler("autophotopermission",\&photo_permission_handler,0,1,0); |
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Line 4383 sub photo_check_handler {
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Line 4504 sub photo_check_handler {
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my $result = &localstudentphoto::fetch($udom,$uname,$pid,\$response); |
my $result = &localstudentphoto::fetch($udom,$uname,$pid,\$response); |
$result .= ':'.$response; |
$result .= ':'.$response; |
&Reply($client, &escape($result)."\n",$userinput); |
&Reply($client, &escape($result)."\n",$userinput); |
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return 1; |
} |
} |
®ister_handler("autophotocheck",\&photo_check_handler,0,1,0); |
®ister_handler("autophotocheck",\&photo_check_handler,0,1,0); |
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Line 4396 sub photo_choice_handler {
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Line 4518 sub photo_choice_handler {
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my ($cmd, $tail, $client) = @_; |
my ($cmd, $tail, $client) = @_; |
my $userinput = "$cmd:$tail"; |
my $userinput = "$cmd:$tail"; |
my $cdom = &unescape($tail); |
my $cdom = &unescape($tail); |
my ($update,$comment) = &localenroll::manager_photo_update($cdom); |
my ($update,$comment); |
&Reply($client,&escape($update).':'.&escape($comment)."\n",$userinput); |
eval { |
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local($SIG{__DIE__})='DEFAULT'; |
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($update,$comment) = &localenroll::manager_photo_update($cdom); |
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}; |
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if (!$@) { |
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&Reply($client,&escape($update).':'.&escape($comment)."\n",$userinput); |
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} else { |
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&Failure($client,"unknown_cmd\n",$userinput); |
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} |
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return 1; |
} |
} |
®ister_handler("autophotochoice",\&photo_choice_handler,0,1,0); |
®ister_handler("autophotochoice",\&photo_choice_handler,0,1,0); |
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Line 4430 sub student_photo_handler {
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Line 4561 sub student_photo_handler {
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&mkpath($path); |
&mkpath($path); |
my $file; |
my $file; |
if ($type eq 'thumbnail') { |
if ($type eq 'thumbnail') { |
$file=&localstudentphoto::fetch_thumbnail($domain,$uname); |
eval { |
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local($SIG{__DIE__})='DEFAULT'; |
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$file=&localstudentphoto::fetch_thumbnail($domain,$uname); |
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}; |
} else { |
} else { |
$file=&localstudentphoto::fetch($domain,$uname); |
$file=&localstudentphoto::fetch($domain,$uname); |
} |
} |
Line 4500 sub process_request {
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Line 4634 sub process_request {
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# fix all the userinput -> user_input. |
# fix all the userinput -> user_input. |
my $wasenc = 0; # True if request was encrypted. |
my $wasenc = 0; # True if request was encrypted. |
# ------------------------------------------------------------ See if encrypted |
# ------------------------------------------------------------ See if encrypted |
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# for command |
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# sethost:<server> |
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# <command>:<args> |
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# we just send it to the processor |
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# for |
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# sethost:<server>:<command>:<args> |
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# we do the implict set host and then do the command |
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if ($userinput =~ /^sethost:/) { |
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(my $cmd,my $newid,$userinput) = split(':',$userinput,3); |
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if (defined($userinput)) { |
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&sethost("$cmd:$newid"); |
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} else { |
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$userinput = "$cmd:$newid"; |
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} |
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} |
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if ($userinput =~ /^enc/) { |
if ($userinput =~ /^enc/) { |
$userinput = decipher($userinput); |
$userinput = decipher($userinput); |
$wasenc=1; |
$wasenc=1; |
Line 5063 sub status {
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Line 5213 sub status {
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$0='lond: '.$what.' '.$local; |
$0='lond: '.$what.' '.$local; |
} |
} |
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# -------------------------------------------------------- Escape Special Chars |
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sub escape { |
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my $str=shift; |
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$str =~ s/(\W)/"%".unpack('H2',$1)/eg; |
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return $str; |
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} |
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# ----------------------------------------------------- Un-Escape Special Chars |
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sub unescape { |
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my $str=shift; |
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$str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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return $str; |
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} |
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# ----------------------------------------------------------- Send USR1 to lonc |
# ----------------------------------------------------------- Send USR1 to lonc |
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sub reconlonc { |
sub reconlonc { |
Line 5153 sub sub_sql_reply {
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Line 5287 sub sub_sql_reply {
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Type => SOCK_STREAM, |
Type => SOCK_STREAM, |
Timeout => 10) |
Timeout => 10) |
or return "con_lost"; |
or return "con_lost"; |
print $sclient "$cmd\n"; |
print $sclient "$cmd:$currentdomainid\n"; |
my $answer=<$sclient>; |
my $answer=<$sclient>; |
chomp($answer); |
chomp($answer); |
if (!$answer) { $answer="con_lost"; } |
if (!$answer) { $answer="con_lost"; } |
Line 5488 sub is_author {
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Line 5622 sub is_author {
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# Author role should show up as a key /domain/_au |
# Author role should show up as a key /domain/_au |
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my $key = "/$domain/_au"; |
my $key = "/$domain/_au"; |
my $value = $hashref->{$key}; |
my $value; |
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if (defined($hashref)) { |
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$value = $hashref->{$key}; |
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} |
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if(defined($value)) { |
if(defined($value)) { |
&Debug("$user @ $domain is an author"); |
&Debug("$user @ $domain is an author"); |
Line 5762 sub addline {
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Line 5899 sub addline {
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} |
} |
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sub get_chat { |
sub get_chat { |
my ($cdom,$cname,$udom,$uname)=@_; |
my ($cdom,$cname,$udom,$uname,$group)=@_; |
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my @entries=(); |
my @entries=(); |
my $hashref = &tie_user_hash($cdom, $cname, 'nohist_chatroom', |
my $namespace = 'nohist_chatroom'; |
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my $namespace_inroom = 'nohist_inchatroom'; |
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if (defined($group)) { |
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$namespace .= '_'.$group; |
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$namespace_inroom .= '_'.$group; |
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} |
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my $hashref = &tie_user_hash($cdom, $cname, $namespace, |
&GDBM_READER()); |
&GDBM_READER()); |
if ($hashref) { |
if ($hashref) { |
@entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref)); |
@entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref)); |
Line 5773 sub get_chat {
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Line 5916 sub get_chat {
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} |
} |
my @participants=(); |
my @participants=(); |
my $cutoff=time-60; |
my $cutoff=time-60; |
$hashref = &tie_user_hash($cdom, $cname, 'nohist_inchatroom', |
$hashref = &tie_user_hash($cdom, $cname, $namespace_inroom, |
&GDBM_WRCREAT()); |
&GDBM_WRCREAT()); |
if ($hashref) { |
if ($hashref) { |
$hashref->{$uname.':'.$udom}=time; |
$hashref->{$uname.':'.$udom}=time; |
Line 5788 sub get_chat {
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Line 5931 sub get_chat {
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} |
} |
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sub chat_add { |
sub chat_add { |
my ($cdom,$cname,$newchat)=@_; |
my ($cdom,$cname,$newchat,$group)=@_; |
my @entries=(); |
my @entries=(); |
my $time=time; |
my $time=time; |
my $hashref = &tie_user_hash($cdom, $cname, 'nohist_chatroom', |
my $namespace = 'nohist_chatroom'; |
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my $logfile = 'chatroom.log'; |
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if (defined($group)) { |
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$namespace .= '_'.$group; |
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$logfile = 'chatroom_'.$group.'.log'; |
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} |
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my $hashref = &tie_user_hash($cdom, $cname, $namespace, |
&GDBM_WRCREAT()); |
&GDBM_WRCREAT()); |
if ($hashref) { |
if ($hashref) { |
@entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref)); |
@entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref)); |
Line 5814 sub chat_add {
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Line 5963 sub chat_add {
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} |
} |
{ |
{ |
my $proname=&propath($cdom,$cname); |
my $proname=&propath($cdom,$cname); |
if (open(CHATLOG,">>$proname/chatroom.log")) { |
if (open(CHATLOG,">>$proname/$logfile")) { |
print CHATLOG ("$time:".&unescape($newchat)."\n"); |
print CHATLOG ("$time:".&unescape($newchat)."\n"); |
} |
} |
close(CHATLOG); |
close(CHATLOG); |
Line 6089 sub convert_photo {
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Line 6238 sub convert_photo {
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sub sethost { |
sub sethost { |
my ($remotereq) = @_; |
my ($remotereq) = @_; |
my (undef,$hostid)=split(/:/,$remotereq); |
my (undef,$hostid)=split(/:/,$remotereq); |
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# ignore sethost if we are already correct |
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if ($hostid eq $currenthostid) { |
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return 'ok'; |
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} |
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if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; } |
if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) { |
$currenthostid =$hostid; |
$currenthostid =$hostid; |