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Merge branch 'MDL-42714-master' of git://github.com/sammarshallou/moodle

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This commit is contained in:
Eloy Lafuente (stronk7) 2013-11-06 23:35:37 +01:00
commit e916eb407c
9 changed files with 65 additions and 5 deletions
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3
admin/settings/development.php
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@ -27,6 +27,9 @@ if ($hassiteconfig) { // speedup for non-admins, add all caps used on this page
$temp->add(new admin_setting_configcheckbox('enabletgzbackups',
new lang_string('enabletgzbackups', 'admin'),
new lang_string('enabletgzbackups_desc', 'admin'), 0));
$temp->add(new admin_setting_php_extension_enabled('zlibenabled',
get_string('zlibenabled', 'admin'),
get_string('enabletgzbackups_nozlib', 'admin'), 'zlib'));
$ADMIN->add('experimental', $temp);

2
lang/en/admin.php
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@ -491,6 +491,7 @@ $string['enablesafebrowserintegration'] = 'Enable Safe Exam Browser integration'
$string['enablestats'] = 'Enable statistics';
$string['enabletgzbackups'] = 'Enable new backup format';
$string['enabletgzbackups_desc'] = 'If enabled, future backups will be created in a new compression format for .mbz files (internally stored as a .tar.gz file). This removes the 4GB backup size restriction and may improve performance. Restore supports both formats and the difference should be transparent to users.';
$string['enabletgzbackups_nozlib'] = 'PHP extension ‘zlib’ is not available. The new backup format relies on this extension and will be disabled until zlib is installed and enabled.';
$string['enabletrusttext'] = 'Enable trusted content';
$string['enablewebservices'] = 'Enable web services';
$string['enablewsdocumentation'] = 'Web services documentation';
@ -1130,6 +1131,7 @@ $string['webproxyinfo'] = 'Fill in following options if your Moodle server can n
$string['xmlrpcrecommended'] = 'The xmlrpc extension is needed for hub communication, and useful for web services and Moodle networking';
$string['yuicomboloading'] = 'YUI combo loading';
$string['ziprequired'] = 'The Zip PHP extension is now required by Moodle, info-ZIP binaries or PclZip library are not used anymore.';
$string['zlibenabled'] = 'zlib enabled';
$string['caching'] = 'Caching';

1
lang/en/backup.php
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@ -117,6 +117,7 @@ $string['errorminbackup20version'] = 'This backup file has been created with one
$string['errorrestorefrontpage'] = 'Restoring over front page is not allowed.';
$string['errorinvalidformat'] = 'Unknown backup format';
$string['errorinvalidformatinfo'] = 'The selected file is not a valid Moodle backup file and can\'t be restored.';
$string['errortgznozlib'] = 'The selected file is in the new backup format and cannot be restored because the zlib PHP extension is not available on this system.';
$string['executionsuccess'] = 'The backup file was successfully created.';
$string['filename'] = 'Filename';
$string['filealiasesrestorefailures'] = 'Aliases restore failures';

13
lib/filestorage/mbz_packer.php
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@ -137,14 +137,16 @@ class mbz_packer extends file_packer {
}
/**
* Selects appropriate packer for new archive depending on system option.
* Selects appropriate packer for new archive depending on system option
* and whether required extension is available.
*
* @return file_packer Suitable packer
*/
protected function get_packer_for_archive_operation() {
global $CFG;
require_once($CFG->dirroot . '/lib/filestorage/tgz_packer.php');
if ($CFG->enabletgzbackups) {
if ($CFG->enabletgzbackups && tgz_packer::has_required_extension()) {
return get_file_packer('application/x-gzip');
} else {
return get_file_packer('application/zip');
@ -156,13 +158,18 @@ class mbz_packer extends file_packer {
*
* @param string|stored_file $archivefile full pathname of zip file or stored_file instance
* @return file_packer Suitable packer
* @throws moodle_exception If the file cannot be restored because of missing zlib
*/
protected function get_packer_for_read_operation($archivefile) {
global $CFG;
require_once($CFG->dirroot . '/lib/filestorage/tgz_packer.php');
if (tgz_packer::is_tgz_file($archivefile)) {
return get_file_packer('application/x-gzip');
if (tgz_packer::has_required_extension()) {
return get_file_packer('application/x-gzip');
} else {
throw new moodle_exception('errortgznozlib', 'backup');
}
} else {
return get_file_packer('application/zip');
}

5
lib/filestorage/tests/mbz_packer_test.php
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@ -35,6 +35,11 @@ class core_files_mbz_packer_testcase extends advanced_testcase {
// Get backup packer.
$packer = get_file_packer('application/vnd.moodle.backup');
require_once($CFG->dirroot . '/lib/filestorage/tgz_packer.php');
if (!tgz_packer::has_required_extension()) {
$this->markTestSkipped('zlib not available');
return;
}
// Set up basic archive contents.
$files = array('1.txt' => array('frog'));

33
lib/filestorage/tests/tgz_packer_test.php
View File

@ -114,6 +114,9 @@ class core_files_tgz_packer_testcase extends advanced_testcase implements file_p
public function test_to_normal_files() {
global $CFG;
$packer = get_file_packer('application/x-gzip');
if (self::skip_because_missing_zlib()) {
return;
}
// Archive files.
$files = $this->prepare_file_list();
@ -154,6 +157,9 @@ class core_files_tgz_packer_testcase extends advanced_testcase implements file_p
*/
public function test_to_stored_files() {
global $CFG;
if (self::skip_because_missing_zlib()) {
return;
}
$packer = get_file_packer('application/x-gzip');
// Archive files.
@ -220,6 +226,9 @@ class core_files_tgz_packer_testcase extends advanced_testcase implements file_p
*/
public function test_only_specified_files() {
global $CFG;
if (self::skip_because_missing_zlib()) {
return;
}
$packer = get_file_packer('application/x-gzip');
// Archive files.
@ -252,6 +261,9 @@ class core_files_tgz_packer_testcase extends advanced_testcase implements file_p
*/
public function test_file_progress() {
global $CFG;
if (self::skip_because_missing_zlib()) {
return;
}
// Set up.
$filelist = $this->prepare_file_list();
@ -309,6 +321,9 @@ class core_files_tgz_packer_testcase extends advanced_testcase implements file_p
*/
public function test_list_files() {
global $CFG;
if (self::skip_because_missing_zlib()) {
return;
}
// Set up.
$filelist = $this->prepare_file_list();
@ -376,6 +391,9 @@ class core_files_tgz_packer_testcase extends advanced_testcase implements file_p
public function test_is_tgz_file() {
global $CFG;
if (self::skip_because_missing_zlib()) {
return;
}
// Set up.
$filelist = $this->prepare_file_list();
@ -428,4 +446,19 @@ class core_files_tgz_packer_testcase extends advanced_testcase implements file_p
public function progress($progress = file_progress::INDETERMINATE, $max = file_progress::INDETERMINATE) {
$this->progress[] = array($progress, $max);
}
/**
* Checks if zlib is available. If not, marks current test as skipped.
*
* @return bool True if text should be skipped
*/
protected function skip_because_missing_zlib() {
global $CFG;
require_once($CFG->dirroot . '/lib/filestorage/tgz_packer.php');
if (!tgz_packer::has_required_extension()) {
$this->markTestSkipped('zlib not available');
return true;
}
return false;
}
}

10
lib/filestorage/tgz_packer.php
View File

@ -695,6 +695,16 @@ class tgz_packer extends file_packer {
fclose($fp);
return ($firstbytes[0] == "\x1f" && $firstbytes[1] == "\x8b");
}
/**
* The zlib extension is required for this packer to work. This is a single
* location for the code to check whether the extension is available.
*
* @return bool True if the extension is available OK
*/
public static function has_required_extension() {
return extension_loaded('zlib');
}
}

1
mod/assign/feedback/editpdf/lang/en/assignfeedback_editpdf.php
View File

@ -89,5 +89,4 @@ $string['unsavedchanges'] = 'Unsaved changes';
$string['viewfeedbackonline'] = 'View annotated pdf...';
$string['white'] = 'White';
$string['yellow'] = 'Yellow';
$string['zlibenabled'] = 'zlib enabled';
$string['zlibnotavailable'] = 'Php extension "zlib" is not available. The annotate PDF feature relies on this php extension and will be disabled until zlib is installed and enabled.';

2
mod/assign/feedback/editpdf/settings.php
View File

@ -40,7 +40,7 @@ $settings->add(new admin_setting_configexecutable('assignfeedback_editpdf/gspath
'/usr/bin/gs'));
$setting = new admin_setting_php_extension_enabled('assignfeedback_editpdf/zlibenabled',
get_string('zlibenabled', 'assignfeedback_editpdf'),
get_string('zlibenabled', 'admin'),
get_string('zlibnotavailable', 'assignfeedback_editpdf'),
'zlib');