Issue #1377740 by jbrown, bvanmeurs, catch, anrikun, Jorrit, rpayanm, mvc, mikeytown2, chx: file_unmanaged_move() should issue rename() where possible instead of copy() & unlink()
Nathaniel Catchpole
parent
327f8e38be
commit
26cf55bb07
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@ -412,7 +412,7 @@ function file_valid_uri($uri) {
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}
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/**
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* Copies a file to a new location without invoking the file API.
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* Copies a file to a new location without database changes or hook invocation.
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*
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* This is a powerful function that in many ways performs like an advanced
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* version of copy().
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@ -422,10 +422,9 @@ function file_valid_uri($uri) {
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* - If the $source and $destination are equal, the behavior depends on the
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* $replace parameter. FILE_EXISTS_REPLACE will error out. FILE_EXISTS_RENAME
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* will rename the file until the $destination is unique.
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* - Provides a fallback using realpaths if the move fails using stream
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* wrappers. This can occur because PHP's copy() function does not properly
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* support streams if open_basedir is enabled. See
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* https://bugs.php.net/bug.php?id=60456
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* - Works around a PHP bug where copy() does not properly support streams if
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* safe_mode or open_basedir are enabled.
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* @see https://bugs.php.net/bug.php?id=60456
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*
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* @param $source
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* A string specifying the filepath or URI of the source file.
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@ -446,18 +445,66 @@ function file_valid_uri($uri) {
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* @see file_copy()
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*/
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function file_unmanaged_copy($source, $destination = NULL, $replace = FILE_EXISTS_RENAME) {
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if (!file_unmanaged_prepare($source, $destination, $replace)) {
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return FALSE;
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}
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// Attempt to resolve the URIs. This is necessary in certain configurations
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// (see above).
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$real_source = drupal_realpath($source) ?: $source;
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$real_destination = drupal_realpath($destination) ?: $destination;
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// Perform the copy operation.
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if (!@copy($real_source, $real_destination)) {
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\Drupal::logger('file')->error('The specified file %file could not be copied to %destination.', array('%file' => $source, '%destination' => $destination));
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return FALSE;
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}
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// Set the permissions on the new file.
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drupal_chmod($destination);
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return $destination;
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}
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/**
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* Internal function that prepares the destination for a file_unmanaged_copy or
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* file_unmanaged_move operation.
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*
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* - Checks if $source and $destination are valid and readable/writable.
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* - Checks that $source is not equal to $destination; if they are an error
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* is reported.
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* - If file already exists in $destination either the call will error out,
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* replace the file or rename the file based on the $replace parameter.
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*
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* @param $source
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* A string specifying the filepath or URI of the source file.
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* @param $destination
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* A URI containing the destination that $source should be moved/copied to.
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* The URI may be a bare filepath (without a scheme) and in that case the
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* default scheme (file://) will be used. If this value is omitted, Drupal's
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* default files scheme will be used, usually "public://".
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* @param $replace
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* Replace behavior when the destination file already exists:
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* - FILE_EXISTS_REPLACE - Replace the existing file.
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* - FILE_EXISTS_RENAME - Append _{incrementing number} until the filename is
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* unique.
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* - FILE_EXISTS_ERROR - Do nothing and return FALSE.
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*
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* @return
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* TRUE, or FALSE in the event of an error.
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*
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* @see file_unmanaged_copy()
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* @see file_unmanaged_move()
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*/
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function file_unmanaged_prepare($source, &$destination = NULL, $replace = FILE_EXISTS_RENAME) {
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$original_source = $source;
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$logger = \Drupal::logger('file');
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// Assert that the source file actually exists.
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if (!file_exists($source)) {
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// @todo Replace drupal_set_message() calls with exceptions instead.
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drupal_set_message(t('The specified file %file could not be copied because no file by that name exists. Please check that you supplied the correct filename.', array('%file' => $original_source)), 'error');
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drupal_set_message(t('The specified file %file could not be moved/copied because no file by that name exists. Please check that you supplied the correct filename.', array('%file' => $original_source)), 'error');
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if (($realpath = drupal_realpath($original_source)) !== FALSE) {
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$logger->notice('File %file (%realpath) could not be copied because it does not exist.', array('%file' => $original_source, '%realpath' => $realpath));
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$logger->notice('File %file (%realpath) could not be moved/copied because it does not exist.', array('%file' => $original_source, '%realpath' => $realpath));
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}
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else {
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$logger->notice('File %file could not be copied because it does not exist.', array('%file' => $original_source));
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$logger->notice('File %file could not be moved/copied because it does not exist.', array('%file' => $original_source));
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}
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return FALSE;
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}
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@ -478,8 +525,8 @@ function file_unmanaged_copy($source, $destination = NULL, $replace = FILE_EXIST
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$dirname = drupal_dirname($destination);
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if (!file_prepare_directory($dirname)) {
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// The destination is not valid.
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$logger->notice('File %file could not be copied because the destination directory %destination is not configured correctly.', array('%file' => $original_source, '%destination' => $dirname));
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drupal_set_message(t('The specified file %file could not be copied because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.', array('%file' => $original_source)), 'error');
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$logger->notice('File %file could not be moved/copied because the destination directory %destination is not configured correctly.', array('%file' => $original_source, '%destination' => $dirname));
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drupal_set_message(t('The specified file %file could not be moved/copied because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.', array('%file' => $original_source)), 'error');
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return FALSE;
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}
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}
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@ -487,8 +534,8 @@ function file_unmanaged_copy($source, $destination = NULL, $replace = FILE_EXIST
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// Determine whether we can perform this operation based on overwrite rules.
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$destination = file_destination($destination, $replace);
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if ($destination === FALSE) {
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drupal_set_message(t('The file %file could not be copied because a file by that name already exists in the destination directory.', array('%file' => $original_source)), 'error');
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$logger->notice('File %file could not be copied because a file by that name already exists in the destination directory (%destination)', array('%file' => $original_source, '%destination' => $destination));
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drupal_set_message(t('The file %file could not be moved/copied because a file by that name already exists in the destination directory.', array('%file' => $original_source)), 'error');
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$logger->notice('File %file could not be moved/copied because a file by that name already exists in the destination directory (%destination)', array('%file' => $original_source, '%destination' => $destination));
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return FALSE;
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}
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@ -496,26 +543,13 @@ function file_unmanaged_copy($source, $destination = NULL, $replace = FILE_EXIST
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$real_source = drupal_realpath($source);
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$real_destination = drupal_realpath($destination);
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if ($source == $destination || ($real_source !== FALSE) && ($real_source == $real_destination)) {
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drupal_set_message(t('The specified file %file was not copied because it would overwrite itself.', array('%file' => $source)), 'error');
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$logger->notice('File %file could not be copied because it would overwrite itself.', array('%file' => $source));
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drupal_set_message(t('The specified file %file was not moved/copied because it would overwrite itself.', array('%file' => $source)), 'error');
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$logger->notice('File %file could not be moved/copied because it would overwrite itself.', array('%file' => $source));
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return FALSE;
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}
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// Make sure the .htaccess files are present.
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file_ensure_htaccess();
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// Perform the copy operation.
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if (!@copy($source, $destination)) {
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// If the copy failed and realpaths exist, retry the operation using them
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// instead.
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if ($real_source === FALSE || $real_destination === FALSE || !@copy($real_source, $real_destination)) {
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$logger->error('The specified file %file could not be copied to %destination.', array('%file' => $source, '%destination' => $destination));
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return FALSE;
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}
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}
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// Set the permissions on the new file.
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drupal_chmod($destination);
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return $destination;
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return TRUE;
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}
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/**
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@ -566,12 +600,24 @@ function file_destination($destination, $replace) {
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/**
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* Moves a file to a new location without database changes or hook invocation.
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*
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* This is a powerful function that in many ways performs like an advanced
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* version of rename().
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* - Checks if $source and $destination are valid and readable/writable.
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* - Checks that $source is not equal to $destination; if they are an error
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* is reported.
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* - If file already exists in $destination either the call will error out,
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* replace the file or rename the file based on the $replace parameter.
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* - Works around a PHP bug where rename() does not properly support streams if
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* safe_mode or open_basedir are enabled.
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* @see https://bugs.php.net/bug.php?id=60456
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*
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* @param $source
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* A string specifying the filepath or URI of the original file.
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* A string specifying the filepath or URI of the source file.
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* @param $destination
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* A string containing the destination that $source should be moved to.
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* This must be a stream wrapper URI. If this value is omitted, Drupal's
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* default files scheme will be used, usually "public://".
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* A URI containing the destination that $source should be moved to. The
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* URI may be a bare filepath (without a scheme) and in that case the default
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* scheme (file://) will be used. If this value is omitted, Drupal's default
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* files scheme will be used, usually "public://".
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* @param $replace
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* Replace behavior when the destination file already exists:
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* - FILE_EXISTS_REPLACE - Replace the existing file.
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@ -580,16 +626,37 @@ function file_destination($destination, $replace) {
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* - FILE_EXISTS_ERROR - Do nothing and return FALSE.
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*
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* @return
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* The URI of the moved file, or FALSE in the event of an error.
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* The path to the new file, or FALSE in the event of an error.
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*
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* @see file_move()
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*/
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function file_unmanaged_move($source, $destination = NULL, $replace = FILE_EXISTS_RENAME) {
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$filepath = file_unmanaged_copy($source, $destination, $replace);
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if ($filepath == FALSE || file_unmanaged_delete($source) == FALSE) {
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if (!file_unmanaged_prepare($source, $destination, $replace)) {
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return FALSE;
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}
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return $filepath;
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// Ensure compatibility with Windows.
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// @see drupal_unlink()
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if ((substr(PHP_OS, 0, 3) == 'WIN') && (!file_stream_wrapper_valid_scheme(file_uri_scheme($source)))) {
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chmod($source, 0600);
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}
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// Attempt to resolve the URIs. This is necessary in certain configurations
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// (see above) and can also permit fast moves across local schemes.
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$real_source = drupal_realpath($source) ?: $source;
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$real_destination = drupal_realpath($destination) ?: $destination;
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// Perform the move operation.
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if (!@rename($real_source, $real_destination)) {
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// Fall back to slow copy and unlink procedure. This is necessary for
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// renames across schemes that are not local, or where rename() has not been
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// implemented. It's not necessary to use drupal_unlink() as the Windows
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// issue has already been resolved above.
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if (!@copy($real_source, $real_destination) || !@unlink($real_source)) {
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\Drupal::logger('file')->error('The specified file %file could not be moved to %destination.', array('%file' => $source, '%destination' => $destination));
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return FALSE;
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}
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}
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// Set the permissions on the new file.
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drupal_chmod($destination);
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return $destination;
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}
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/**
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@ -134,7 +134,8 @@ function drupal_theme_rebuild() {
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*/
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function drupal_find_theme_functions($cache, $prefixes) {
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$implementations = [];
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$grouped_functions = \Drupal::service('theme.registry')->getPrefixGroupedUserFunctions();
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$functions = get_defined_functions();
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$theme_functions = preg_grep('/^(' . implode(')|(', $prefixes) . ')_/', $functions['user']);
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foreach ($cache as $hook => $info) {
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foreach ($prefixes as $prefix) {
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@ -150,10 +151,8 @@ function drupal_find_theme_functions($cache, $prefixes) {
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// are found using the base hook's pattern, not a pattern from an
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// intermediary suggestion.
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$pattern = isset($info['pattern']) ? $info['pattern'] : ($hook . '__');
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// Grep only the functions which are within the prefix group.
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list($first_prefix,) = explode('_', $prefix, 2);
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if (!isset($info['base hook']) && !empty($pattern) && isset($grouped_functions[$first_prefix])) {
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$matches = preg_grep('/^' . $prefix . '_' . $pattern . '/', $grouped_functions[$first_prefix]);
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if (!isset($info['base hook']) && !empty($pattern)) {
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$matches = preg_grep('/^' . $prefix . '_' . $pattern . '/', $theme_functions);
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if ($matches) {
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foreach ($matches as $match) {
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$new_hook = substr($match, strlen($prefix) + 1);
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@ -185,8 +185,6 @@ function file_copy(FileInterface $source, $destination = NULL, $replace = FILE_E
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/**
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* Moves a file to a new location and update the file's database entry.
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*
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* Moving a file is performed by copying the file to the new location and then
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* deleting the original.
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* - Checks if $source and $destination are valid and readable/writable.
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* - Performs a file move if $source is not equal to $destination.
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* - If file already exists in $destination either the call will error out,
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