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MDL-59700 filestorage: Add before_file_created hook

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Cameron Ball 2017-08-03 13:41:50 +08:00
parent 8146b1f06d
commit 8243706542
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GPG Key ID: 305B7F70214D810C
1 changed files with 25 additions and 6 deletions
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31
lib/filestorage/file_storage.php
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@ -1318,7 +1318,7 @@ class file_storage {
$newrecord->status = empty($filerecord->status) ? 0 : $filerecord->status;
$newrecord->sortorder = $filerecord->sortorder;
list($newrecord->contenthash, $newrecord->filesize, $newfile) = $this->add_file_to_pool($pathname);
list($newrecord->contenthash, $newrecord->filesize, $newfile) = $this->add_file_to_pool($pathname, null, $newrecord);
$newrecord->pathnamehash = $this->get_pathname_hash($newrecord->contextid, $newrecord->component, $newrecord->filearea, $newrecord->itemid, $newrecord->filepath, $newrecord->filename);
@ -1432,7 +1432,7 @@ class file_storage {
$newrecord->status = empty($filerecord->status) ? 0 : $filerecord->status;
$newrecord->sortorder = $filerecord->sortorder;
list($newrecord->contenthash, $newrecord->filesize, $newfile) = $this->add_string_to_pool($content);
list($newrecord->contenthash, $newrecord->filesize, $newfile) = $this->add_string_to_pool($content, $newrecord);
if (empty($filerecord->mimetype)) {
$newrecord->mimetype = $this->filesystem->mimetype_from_hash($newrecord->contenthash, $newrecord->filename);
} else {
@ -1570,7 +1570,7 @@ class file_storage {
} else {
// External file doesn't have content in moodle.
// So we create an empty file for it.
list($filerecord->contenthash, $filerecord->filesize, $newfile) = $this->add_string_to_pool(null);
list($filerecord->contenthash, $filerecord->filesize, $newfile) = $this->add_string_to_pool(null, $filerecord);
}
}
@ -1759,10 +1759,12 @@ class file_storage {
* Add file content to sha1 pool.
*
* @param string $pathname path to file
* @param string $contenthash sha1 hash of content if known (performance only)
* @param string|null $contenthash sha1 hash of content if known (performance only)
* @param stdClass|null $newrecord New file record
* @return array (contenthash, filesize, newfile)
*/
public function add_file_to_pool($pathname, $contenthash = NULL) {
public function add_file_to_pool($pathname, $contenthash = null, $newrecord = null) {
$this->call_before_file_created_plugin_functions($newrecord, $pathname);
return $this->filesystem->add_file_from_path($pathname, $contenthash);
}
@ -1772,10 +1774,27 @@ class file_storage {
* @param string $content file content - binary string
* @return array (contenthash, filesize, newfile)
*/
public function add_string_to_pool($content) {
public function add_string_to_pool($content, $newrecord = null) {
$this->call_before_file_created_plugin_functions($newrecord, null, $content);
return $this->filesystem->add_file_from_string($content);
}
/**
* before_file_created hook.
*
* @param stdClass|null $newrecord New file record.
* @param string|null $pathname Path to file.
* @param string|null $content File content.
*/
protected function call_before_file_created_plugin_functions($newrecord, $pathname = null, $content = null) {
$pluginsfunction = get_plugins_with_function('before_file_created');
foreach ($pluginsfunction as $plugintype => $plugins) {
foreach ($plugins as $pluginfunction) {
$pluginfunction($newrecord, ['pathname' => $pathname, 'content' => $content]);
}
}
}
/**
* Serve file content using X-Sendfile header.
* Please make sure that all headers are already sent