From 69a2173fdbc31eda0110997e28fea2037e5e1558 Mon Sep 17 00:00:00 2001 From: Frank Karlitschek Date: Tue, 24 Apr 2012 14:00:44 +0200 Subject: [PATCH] non working app. moved to the apps-playground repository --- apps/files_versioning/ajax/gethead.php | 12 - apps/files_versioning/ajax/sethead.php | 14 - apps/files_versioning/appinfo/app.php | 20 - apps/files_versioning/appinfo/info.xml | 12 - apps/files_versioning/appinfo/version | 1 - apps/files_versioning/css/settings.css | 3 - apps/files_versioning/js/settings.js | 25 - apps/files_versioning/lib_granite.php | 12 - apps/files_versioning/settings.php | 34 - apps/files_versioning/templates/settings.php | 12 - apps/files_versioning/versionstorage.php | 386 ----------- apps/files_versioning/versionwrapper.php | 686 ------------------- 12 files changed, 1217 deletions(-) delete mode 100644 apps/files_versioning/ajax/gethead.php delete mode 100644 apps/files_versioning/ajax/sethead.php delete mode 100644 apps/files_versioning/appinfo/app.php delete mode 100644 apps/files_versioning/appinfo/info.xml delete mode 100644 apps/files_versioning/appinfo/version delete mode 100644 apps/files_versioning/css/settings.css delete mode 100644 apps/files_versioning/js/settings.js delete mode 100644 apps/files_versioning/lib_granite.php delete mode 100644 apps/files_versioning/settings.php delete mode 100644 apps/files_versioning/templates/settings.php delete mode 100644 apps/files_versioning/versionstorage.php delete mode 100644 apps/files_versioning/versionwrapper.php diff --git a/apps/files_versioning/ajax/gethead.php b/apps/files_versioning/ajax/gethead.php deleted file mode 100644 index cc93b7a1d17..00000000000 --- a/apps/files_versioning/ajax/gethead.php +++ /dev/null @@ -1,12 +0,0 @@ - $head)); diff --git a/apps/files_versioning/ajax/sethead.php b/apps/files_versioning/ajax/sethead.php deleted file mode 100644 index d1b2df9b00f..00000000000 --- a/apps/files_versioning/ajax/sethead.php +++ /dev/null @@ -1,14 +0,0 @@ - 10, - 'id' => 'files_versioning', - 'name' => 'Versioning and Backup' )); - -// Include stylesheets for the settings page -OC_Util::addStyle( 'files_versioning', 'settings' ); -OC_Util::addScript('files_versioning','settings'); - -// Register a settings section in the Admin > Personal page -OC_APP::registerPersonal('files_versioning','settings'); diff --git a/apps/files_versioning/appinfo/info.xml b/apps/files_versioning/appinfo/info.xml deleted file mode 100644 index b9f56f674a0..00000000000 --- a/apps/files_versioning/appinfo/info.xml +++ /dev/null @@ -1,12 +0,0 @@ - - - files_versioning - Versioning and Backup - GPLv2 - Craig Roberts - 3 - Versions files using Git repositories, providing a simple backup facility. Currently in *beta* and explicitly without warranty of any kind. - - - - diff --git a/apps/files_versioning/appinfo/version b/apps/files_versioning/appinfo/version deleted file mode 100644 index afaf360d37f..00000000000 --- a/apps/files_versioning/appinfo/version +++ /dev/null @@ -1 +0,0 @@ -1.0.0 \ No newline at end of file diff --git a/apps/files_versioning/css/settings.css b/apps/files_versioning/css/settings.css deleted file mode 100644 index afe2cd5508f..00000000000 --- a/apps/files_versioning/css/settings.css +++ /dev/null @@ -1,3 +0,0 @@ -#file_versioning_commit_chzn { - width: 15em; -} diff --git a/apps/files_versioning/js/settings.js b/apps/files_versioning/js/settings.js deleted file mode 100644 index 8dd13bac033..00000000000 --- a/apps/files_versioning/js/settings.js +++ /dev/null @@ -1,25 +0,0 @@ -$(document).ready(function(){ - $('#file_versioning_head').chosen(); - - $.getJSON(OC.filePath('files_versioning', 'ajax', 'gethead.php'), function(jsondata, status) { - - if (jsondata.head == 'HEAD') { - // Most recent commit, do nothing - } else { - $("#file_versioning_head").val(jsondata.head); - // Trigger the chosen update call - // See http://harvesthq.github.com/chosen/ - $("#file_versioning_head").trigger("liszt:updated"); - } - }); - - $('#file_versioning_head').change(function() { - - var data = $(this).serialize(); - $.post( OC.filePath('files_versioning', 'ajax', 'sethead.php'), data, function(data){ - if(data == 'error'){ - console.log('Saving new HEAD failed'); - } - }); - }); -}); diff --git a/apps/files_versioning/lib_granite.php b/apps/files_versioning/lib_granite.php deleted file mode 100644 index 571e5cea637..00000000000 --- a/apps/files_versioning/lib_granite.php +++ /dev/null @@ -1,12 +0,0 @@ -head(); -for ($i = 0; $i < 50; $i++) { - $commits[] = $commit; - $parents = $commit->parents(); - if (count($parents) > 0) { - $parent = $parents[0]; - } else { - break; - } - - $commit = $repository->factory('commit', $parent); -} - -$tmpl = new OC_Template( 'files_versioning', 'settings'); -$tmpl->assign('commits', $commits); -return $tmpl->fetchPage(); diff --git a/apps/files_versioning/templates/settings.php b/apps/files_versioning/templates/settings.php deleted file mode 100644 index 17f4cc7f77f..00000000000 --- a/apps/files_versioning/templates/settings.php +++ /dev/null @@ -1,12 +0,0 @@ -
- Versioning and Backup
-

Please note: Backing up large files (around 16MB+) will cause your backup history to grow very large, very quickly.

- - -
diff --git a/apps/files_versioning/versionstorage.php b/apps/files_versioning/versionstorage.php deleted file mode 100644 index d083e623df9..00000000000 --- a/apps/files_versioning/versionstorage.php +++ /dev/null @@ -1,386 +0,0 @@ -. - */ - -// Include Granite -require_once('lib_granite.php'); - -// Create a top-level 'Backup' directory if it does not already exist -$user = OC_User::getUser(); -if (OC_Filesystem::$loaded and !OC_Filesystem::is_dir('/Backup')) { - OC_Filesystem::mkdir('/Backup'); - OC_Preferences::setValue(OC_User::getUser(), 'files_versioning', 'head', 'HEAD'); -} - -// Generate the repository path (currently using 'full' repositories, as opposed to bare ones) -$repo_path = DIRECTORY_SEPARATOR - . OC_User::getUser() - . DIRECTORY_SEPARATOR - . 'files' - . DIRECTORY_SEPARATOR - . 'Backup'; - -// Mount the 'Backup' folder using the versioned storage provider below -OC_Filesystem::mount('OC_Filestorage_Versioned', array('repo'=>$repo_path), $repo_path . DIRECTORY_SEPARATOR); - -class OC_Filestorage_Versioned extends OC_Filestorage { - - /** - * Holds an instance of Granite\Git\Repository - */ - protected $repo; - - /** - * Constructs a new OC_Filestorage_Versioned instance, expects an associative - * array with a `repo` key set to the path of the repository's `.git` folder - * - * @param array $parameters An array containing the key `repo` pointing to the - * repository path. - */ - public function __construct($parameters) { - // Get the full path to the repository folder - $path = OC_Config::getValue('datadirectory', OC::$SERVERROOT.'/data') - . $parameters['repo'] - . DIRECTORY_SEPARATOR - . '.git' - . DIRECTORY_SEPARATOR; - - try { - // Attempt to load the repository - $this->repo = new Granite\Git\Repository($path); - } catch (InvalidArgumentException $e) { - // $path is not a valid Git repository, we must create one - Granite\Git\Repository::init($path); - - // Load the newly-initialised repository - $this->repo = new Granite\Git\Repository($path); - - /** - * Create an initial commit with a README file - * FIXME: This functionality should be transferred to the Granite library - */ - $blob = new Granite\Git\Blob($this->repo->path()); - $blob->content('Your Backup directory is now ready for use.'); - - // Create a new tree to hold the README file - $tree = $this->repo->factory('tree'); - // Create a tree node to represent the README blob - $tree_node = new Granite\Git\Tree\Node('README', '100644', $blob->sha()); - $tree->nodes(array($tree_node->name() => $tree_node)); - - // Create an initial commit - $commit = new Granite\Git\Commit($this->repo->path()); - $user_string = OC_User::getUser() . ' ' . time() . ' +0000'; - $commit->author($user_string); - $commit->committer($user_string); - $commit->message('Initial commit'); - $commit->tree($tree); - - // Write it all to disk - $blob->write(); - $tree->write(); - $commit->write(); - - // Update the HEAD for the 'master' branch - $this->repo->head('master', $commit->sha()); - } - - // Update the class pointer to the HEAD - $head = OC_Preferences::getValue(OC_User::getUser(), 'files_versioning', 'head', 'HEAD'); - - // Load the most recent commit if the preference is not set - if ($head == 'HEAD') { - $this->head = $this->repo->head()->sha(); - } else { - $this->head = $head; - } - } - - public function mkdir($path) { - if (mkdir("versioned:/{$this->repo->path()}$path#{$this->head}")) { - $this->head = $this->repo->head()->sha(); - OC_Preferences::setValue(OC_User::getUser(), 'files_versioning', 'head', $head); - return true; - } - - return false; - } - - public function rmdir($path) { - - } - - /** - * Returns a directory handle to the requested path, or FALSE on failure - * - * @param string $path The directory path to open - * - * @return boolean|resource A directory handle, or FALSE on failure - */ - public function opendir($path) { - return opendir("versioned:/{$this->repo->path()}$path#{$this->head}"); - } - - /** - * Returns TRUE if $path is a directory, or FALSE if not - * - * @param string $path The path to check - * - * @return boolean - */ - public function is_dir($path) { - return $this->filetype($path) == 'dir'; - } - - /** - * Returns TRUE if $path is a file, or FALSE if not - * - * @param string $path The path to check - * - * @return boolean - */ - public function is_file($path) { - return $this->filetype($path) == 'file'; - } - - public function stat($path) - { - return stat("versioned:/{$this->repo->path()}$path#{$this->head}"); - } - - /** - * Returns the strings 'dir' or 'file', depending on the type of $path - * - * @param string $path The path to check - * - * @return string Returns 'dir' if a directory, 'file' otherwise - */ - public function filetype($path) { - if ($path == "" || $path == "/") { - return 'dir'; - } else { - if (substr($path, -1) == '/') { - $path = substr($path, 0, -1); - } - - $node = $this->tree_search($this->repo, $this->repo->factory('commit', $this->head)->tree(), $path); - - // Does it exist, or is it new? - if ($node == null) { - // New file - return 'file'; - } else { - // Is it a tree? - try { - $this->repo->factory('tree', $node); - return 'dir'; - } catch (InvalidArgumentException $e) { - // Nope, must be a blob - return 'file'; - } - } - } - } - - public function filesize($path) { - return filesize("versioned:/{$this->repo->path()}$path#{$this->head}"); - } - - /** - * Returns a boolean value representing whether $path is readable - * - * @param string $path The path to check - *( - * @return boolean Whether or not the path is readable - */ - public function is_readable($path) { - return true; - } - - /** - * Returns a boolean value representing whether $path is writable - * - * @param string $path The path to check - *( - * @return boolean Whether or not the path is writable - */ - public function is_writable($path) { - - $head = OC_Preferences::getValue(OC_User::getUser(), 'files_versioning', 'head', 'HEAD'); - if ($head !== 'HEAD' && $head !== $this->repo->head()->sha()) { - // Cannot modify previous commits - return false; - } - return true; - } - - /** - * Returns a boolean value representing whether $path exists - * - * @param string $path The path to check - *( - * @return boolean Whether or not the path exists - */ - public function file_exists($path) { - return file_exists("versioned:/{$this->repo->path()}$path#{$this->head}"); - } - - /** - * Returns an integer value representing the inode change time - * (NOT IMPLEMENTED) - * - * @param string $path The path to check - *( - * @return int Timestamp of the last inode change - */ - public function filectime($path) { - return -1; - } - - /** - * Returns an integer value representing the file modification time - * - * @param string $path The path to check - *( - * @return int Timestamp of the last file modification - */ - public function filemtime($path) { - return filemtime("versioned:/{$this->repo->path()}$path#{$this->head}"); - } - - public function file_get_contents($path) { - return file_get_contents("versioned:/{$this->repo->path()}$path#{$this->head}"); - } - - public function file_put_contents($path, $data) { - $success = file_put_contents("versioned:/{$this->repo->path()}$path#{$this->head}", $data); - if ($success !== false) { - // Update the HEAD in the preferences - OC_Preferences::setValue(OC_User::getUser(), 'files_versioning', 'head', $this->repo->head()->sha()); - return $success; - } - - return false; - } - - public function unlink($path) { - - } - - public function rename($path1, $path2) { - - } - - public function copy($path1, $path2) { - - } - - public function fopen($path, $mode) { - return fopen("versioned:/{$this->repo->path()}$path#{$this->head}", $mode); - } - - public function getMimeType($path) { - if ($this->filetype($path) == 'dir') { - return 'httpd/unix-directory'; - } elseif ($this->filesize($path) == 0) { - // File's empty, returning text/plain allows opening in the web editor - return 'text/plain'; - } else { - $finfo = new finfo(FILEINFO_MIME_TYPE); - /** - * We need to represent the repository path, the file path, and the - * revision, which can be simply achieved with a convention of using - * `.git` in the repository directory (bare or not) and the '#part' - * segment of a URL to specify the revision. For example - * - * versioned://var/www/myrepo.git/docs/README.md#HEAD ('bare' repo) - * versioned://var/www/myrepo/.git/docs/README.md#HEAD ('full' repo) - * versioned://var/www/myrepo/.git/docs/README.md#6a8f...8a54 ('full' repo and SHA-1 commit ID) - */ - $mime = $finfo->buffer(file_get_contents("versioned:/{$this->repo->path()}$path#{$this->head}")); - return $mime; - } - } - - /** - * Generates a hash based on the file contents - * - * @param string $type The hashing algorithm to use (e.g. 'md5', 'sha256', etc.) - * @param string $path The file to be hashed - * @param boolean $raw Outputs binary data if true, lowercase hex digits otherwise - * - * @return string Hashed string representing the file contents - */ - public function hash($type, $path, $raw) { - return hash($type, file_get_contents($path), $raw); - } - - public function free_space($path) { - } - - public function search($query) { - - } - - public function touch($path, $mtime=null) { - - } - - - public function getLocalFile($path) { - } - - /** - * Recursively searches a tree for a path, returning FALSE if is not found - * or an SHA-1 id if it is found. - * - * @param string $repo The repository containing the tree object - * @param string $tree The tree object to search - * @param string $path The path to search for (relative to the tree) - * @param int $depth The depth of the current search (for recursion) - * - * @return string|boolean The SHA-1 id of the sub-tree - */ - private function tree_search($repo, $tree, $path, $depth = 0) - { - $paths = array_values(explode(DIRECTORY_SEPARATOR, $path)); - - $current_path = $paths[$depth]; - - $nodes = $tree->nodes(); - foreach ($nodes as $node) { - if ($node->name() == $current_path) { - - if (count($paths)-1 == $depth) { - // Stop, found it - return $node->sha(); - } - - // Recurse if necessary - if ($node->isDirectory()) { - $tree = $this->repo->factory('tree', $node->sha()); - return $this->tree_search($repo, $tree, $path, $depth + 1); - } - } - } - - return false; - } - -} diff --git a/apps/files_versioning/versionwrapper.php b/apps/files_versioning/versionwrapper.php deleted file mode 100644 index b83a4fd3b22..00000000000 --- a/apps/files_versioning/versionwrapper.php +++ /dev/null @@ -1,686 +0,0 @@ -tree); - return true; - } - - /** - * Open directory handle - */ - public function dir_opendir($path, $options) { - // Parse the URL into a repository directory, file path and commit ID - list($this->repo, $repo_file, $this->commit) = $this->parse_url($path); - - if ($repo_file == '' || $repo_file == '/') { - // Set the tree property for the future `readdir()` etc. calls - $this->tree = array_values($this->commit->tree()->nodes()); - return true; - } elseif ($this->tree_search($this->repo, $this->commit->tree(), $repo_file) !== false) { - // Something exists at this path, is it a directory though? - try { - $tree = $this->repo->factory( - 'tree', - $this->tree_search($this->repo, $this->commit->tree(), $repo_file) - ); - $this->tree = array_values($tree->nodes()); - return true; - } catch (InvalidArgumentException $e) { - // Trying to call `opendir()` on a file, return false below - } - } - - // Unable to find the directory, return false - return false; - } - - /** - * Read entry from directory handle - */ - public function dir_readdir() { - return isset($this->tree[$this->dir_position]) - ? $this->tree[$this->dir_position++]->name() - : false; - } - - /** - * Rewind directory handle - */ - public function dir_rewinddir() { - $this->dir_position = 0; - } - - /** - * Create a directory - * Git doesn't track empty directories, so a ".empty" file is added instead - */ - public function mkdir($path, $mode, $options) { - // Parse the URL into a repository directory, file path and commit ID - list($this->repo, $repo_file, $this->commit) = $this->parse_url($path); - - // Create an empty file for Git - $empty = new Granite\Git\Blob($this->repo->path()); - $empty->content(''); - $empty->write(); - - if (dirname($repo_file) == '.') { - // Adding a new directory to the root tree - $tree = $this->repo->head()->tree(); - } else { - $tree = $this->repo->factory('tree', $this->tree_search( - $this->repo, $this->repo->head()->tree(), dirname($repo_file) - ) - ); - } - - // Create our new tree, with our empty file - $dir = $this->repo->factory('tree'); - $nodes = array(); - $nodes[self::EMPTYFILE] = new Granite\Git\Tree\Node(self::EMPTYFILE, '100644', $empty->sha()); - $dir->nodes($nodes); - $dir->write(); - - // Add our new tree to its parent - $nodes = $tree->nodes(); - $nodes[basename($repo_file)] = new Granite\Git\Tree\Node(basename($repo_file), '040000', $dir->sha()); - $tree->nodes($nodes); - $tree->write(); - - // We need to recursively update each parent tree, since they are all - // hashed and the changes will cascade back up the chain - - // So, we're currently at the bottom-most directory - $current_dir = dirname($repo_file); - $previous_tree = $tree; - - if ($current_dir !== '.') { - do { - // Determine the parent directory - $previous_dir = $current_dir; - $current_dir = dirname($current_dir); - - $current_tree = $current_dir !== '.' - ? $this->repo->factory( - 'tree', $this->tree_search( - $this->repo, - $this->repo->head()->tree(), - $current_dir - ) - ) - : $this->repo->head()->tree(); - - $current_nodes = $current_tree->nodes(); - $current_nodes[basename($previous_dir)] = new Granite\Git\Tree\Node( - basename($previous_dir), '040000', $previous_tree->sha() - ); - $current_tree->nodes($current_nodes); - $current_tree->write(); - - $previous_tree = $current_tree; - } while ($current_dir !== '.'); - - $tree = $previous_tree; - } - - // Create a new commit to represent this write - $commit = $this->repo->factory('commit'); - $username = OC_User::getUser(); - $user_string = $username . ' ' . time() . ' +0000'; - $commit->author($user_string); - $commit->committer($user_string); - $commit->message("$username created the `$repo_file` directory, " . date('d F Y H:i', time()) . '.'); - $commit->parents(array($this->repo->head()->sha())); - $commit->tree($tree); - - // Write it to disk - $commit->write(); - - // Update the HEAD for the 'master' branch - $this->repo->head('master', $commit->sha()); - - return true; - } - - /** - * Renames a file or directory - */ - public function rename($path_from, $path_to) { - - } - - /** - * Removes a directory - */ - public function rmdir($path, $options) { - - } - - /** - * Retrieve the underlaying resource (NOT IMPLEMENTED) - */ - public function stream_cast($cast_as) { - return false; - } - - /** - * Close a resource - */ - public function stream_close() { - unset($this->blob); - return true; - } - - /** - * Tests for end-of-file on a file pointer - */ - public function stream_eof() { - return !($this->file_position < strlen($this->blob)); - } - - /** - * Flushes the output (NOT IMPLEMENTED) - */ - public function stream_flush() { - return false; - } - - /** - * Advisory file locking (NOT IMPLEMENTED) - */ - public function stream_lock($operation) { - return false; - } - - /** - * Change stream options (NOT IMPLEMENTED) - * Called in response to `chgrp()`, `chown()`, `chmod()` and `touch()` - */ - public function stream_metadata($path, $option, $var) { - return false; - } - - /** - * Opens file or URL - */ - public function stream_open($path, $mode, $options, &$opened_path) { - // Store the path, so we can use it later in `stream_write()` if necessary - $this->path = $path; - // Parse the URL into a repository directory, file path and commit ID - list($this->repo, $repo_file, $this->commit) = $this->parse_url($path); - - $file = $this->tree_search($this->repo, $this->commit->tree(), $repo_file); - if ($file !== false) { - try { - $this->blob = $this->repo->factory('blob', $file)->content(); - return true; - } catch (InvalidArgumentException $e) { - // Trying to open a directory, return false below - } - } elseif ($mode !== 'r') { - // All other modes allow opening for reading and writing, clearly - // some 'write' files may not exist yet... - return true; - } - - // File could not be found or is not actually a file - return false; - } - - /** - * Read from stream - */ - public function stream_read($count) { - // Fetch the remaining set of bytes - $bytes = substr($this->blob, $this->file_position, $count); - - // If EOF or empty string, return false - if ($bytes == '' || $bytes == false) { - return false; - } - - // If $count does not extend past EOF, add $count to stream offset - if ($this->file_position + $count < strlen($this->blob)) { - $this->file_position += $count; - } else { - // Otherwise return all remaining bytes - $this->file_position = strlen($this->blob); - } - - return $bytes; - } - - /** - * Seeks to specific location in a stream - */ - public function stream_seek($offset, $whence = SEEK_SET) { - $new_offset = false; - - switch ($whence) - { - case SEEK_SET: - $new_offset = $offset; - break; - case SEEK_CUR: - $new_offset = $this->file_position += $offset; - break; - case SEEK_END: - $new_offset = strlen($this->blob) + $offset; - break; - } - - $this->file_position = $offset; - - return ($new_offset !== false); - } - - /** - * Change stream options (NOT IMPLEMENTED) - */ - public function stream_set_option($option, $arg1, $arg2) { - return false; - } - - /** - * Retrieve information about a file resource (NOT IMPLEMENTED) - */ - public function stream_stat() { - - } - - /** - * Retrieve the current position of a stream - */ - public function stream_tell() { - return $this->file_position; - } - - /** - * Truncate stream - */ - public function stream_truncate($new_size) { - - } - - /** - * Write to stream - * FIXME: Could use heavy refactoring - */ - public function stream_write($data) { - /** - * FIXME: This also needs to be added to Granite, in the form of `add()`, - * `rm()` and `commit()` calls - */ - - // Parse the URL into a repository directory, file path and commit ID - list($this->repo, $repo_file, $this->commit) = $this->parse_url($this->path); - - $node = $this->tree_search($this->repo, $this->commit->tree(), $repo_file); - - if ($node !== false) { - // File already exists, attempting modification of existing tree - try { - $this->repo->factory('blob', $node); - - // Create our new blob with the provided $data - $blob = $this->repo->factory('blob'); - $blob->content($data); - $blob->write(); - - // We know the tree exists, so strip the filename from the path and - // find it... - - if (dirname($repo_file) == '.' || dirname($repo_file) == '') { - // Root directory - $tree = $this->repo->head()->tree(); - } else { - // Sub-directory - $tree = $this->repo->factory('tree', $this->tree_search( - $this->repo, - $this->repo->head()->tree(), - dirname($repo_file) - ) - ); - } - - // Replace the old blob with our newly modified one - $tree_nodes = $tree->nodes(); - $tree_nodes[basename($repo_file)] = new Granite\Git\Tree\Node( - basename($repo_file), '100644', $blob->sha() - ); - $tree->nodes($tree_nodes); - $tree->write(); - - // We need to recursively update each parent tree, since they are all - // hashed and the changes will cascade back up the chain - - // So, we're currently at the bottom-most directory - $current_dir = dirname($repo_file); - $previous_tree = $tree; - - if ($current_dir !== '.') { - do { - // Determine the parent directory - $previous_dir = $current_dir; - $current_dir = dirname($current_dir); - - $current_tree = $current_dir !== '.' - ? $this->repo->factory( - 'tree', $this->tree_search( - $this->repo, - $this->repo->head()->tree(), - $current_dir - ) - ) - : $this->repo->head()->tree(); - - $current_nodes = $current_tree->nodes(); - $current_nodes[basename($previous_dir)] = new Granite\Git\Tree\Node( - basename($previous_dir), '040000', $previous_tree->sha() - ); - $current_tree->nodes($current_nodes); - $current_tree->write(); - - $previous_tree = $current_tree; - } while ($current_dir !== '.'); - } - - // Create a new commit to represent this write - $commit = $this->repo->factory('commit'); - $username = OC_User::getUser(); - $user_string = $username . ' ' . time() . ' +0000'; - $commit->author($user_string); - $commit->committer($user_string); - $commit->message("$username modified the `$repo_file` file, " . date('d F Y H:i', time()) . '.'); - $commit->parents(array($this->repo->head()->sha())); - $commit->tree($previous_tree); - - // Write it to disk - $commit->write(); - - // Update the HEAD for the 'master' branch - $this->repo->head('master', $commit->sha()); - - // If we made it this far, write was successful - update the stream - // position and return the number of bytes written - $this->file_position += strlen($data); - return strlen($data); - - } catch (InvalidArgumentException $e) { - // Attempting to write to a directory or other error, fail - return 0; - } - } else { - // File does not exist, needs to be created - - // Create our new blob with the provided $data - $blob = $this->repo->factory('blob'); - $blob->content($data); - $blob->write(); - - if (dirname($repo_file) == '.') { - // Trying to add a new file to the root tree, nice and easy - $tree = $this->repo->head()->tree(); - $tree_nodes = $tree->nodes(); - $tree_nodes[basename($repo_file)] = new Granite\Git\Tree\Node( - basename($repo_file), '100644', $blob->sha() - ); - $tree->nodes($tree_nodes); - $tree->write(); - } else { - // Trying to add a new file to a subdirectory, try and find it - $tree = $this->repo->factory('tree', $this->tree_search( - $this->repo, $this->repo->head()->tree(), dirname($repo_file) - ) - ); - - // Add the blob to the tree - $nodes = $tree->nodes(); - $nodes[basename($repo_file)] = new Granite\Git\Tree\Node( - basename($repo_file), '100644', $blob->sha() - ); - $tree->nodes($nodes); - $tree->write(); - - // We need to recursively update each parent tree, since they are all - // hashed and the changes will cascade back up the chain - - // So, we're currently at the bottom-most directory - $current_dir = dirname($repo_file); - $previous_tree = $tree; - - if ($current_dir !== '.') { - do { - // Determine the parent directory - $previous_dir = $current_dir; - $current_dir = dirname($current_dir); - - $current_tree = $current_dir !== '.' - ? $this->repo->factory( - 'tree', $this->tree_search( - $this->repo, - $this->repo->head()->tree(), - $current_dir - ) - ) - : $this->repo->head()->tree(); - - $current_nodes = $current_tree->nodes(); - $current_nodes[basename($previous_dir)] = new Granite\Git\Tree\Node( - basename($previous_dir), '040000', $previous_tree->sha() - ); - $current_tree->nodes($current_nodes); - $current_tree->write(); - - $previous_tree = $current_tree; - } while ($current_dir !== '.'); - - $tree = $previous_tree; - } - } - - // Create a new commit to represent this write - $commit = $this->repo->factory('commit'); - $username = OC_User::getUser(); - $user_string = $username . ' ' . time() . ' +0000'; - $commit->author($user_string); - $commit->committer($user_string); - $commit->message("$username created the `$repo_file` file, " . date('d F Y H:i', time()) . '.'); - $commit->parents(array($this->repo->head()->sha())); - $commit->tree($tree); // Top-level tree (NOT the newly modified tree) - - // Write it to disk - $commit->write(); - - // Update the HEAD for the 'master' branch - $this->repo->head('master', $commit->sha()); - - // If we made it this far, write was successful - update the stream - // position and return the number of bytes written - $this->file_position += strlen($data); - return strlen($data); - } - - // Write failed - return 0; - } - - /** - * Delete a file - */ - public function unlink($path) { - - } - - /** - * Retrieve information about a file - */ - public function url_stat($path, $flags) { - // Parse the URL into a repository directory, file path and commit ID - list($this->repo, $repo_file, $this->commit) = $this->parse_url($path); - - $node = $this->tree_search($this->repo, $this->commit->tree(), $repo_file); - - if ($node == false && $this->commit->sha() == $this->repo->head()->sha()) { - // A new file - no information available - $size = 0; - $mtime = -1; - } else { - - // Is it a directory? - try { - $this->repo->factory('tree', $node); - $size = 4096; // FIXME - } catch (InvalidArgumentException $e) { - // Must be a file - $size = strlen(file_get_contents($path)); - } - - // Parse the timestamp from the commit message - preg_match('/[0-9]{10}+/', $this->commit->committer(), $matches); - $mtime = $matches[0]; - } - - $stat["dev"] = ""; - $stat["ino"] = ""; - $stat["mode"] = ""; - $stat["nlink"] = ""; - $stat["uid"] = ""; - $stat["gid"] = ""; - $stat["rdev"] = ""; - $stat["size"] = $size; - $stat["atime"] = $mtime; - $stat["mtime"] = $mtime; - $stat["ctime"] = $mtime; - $stat["blksize"] = ""; - $stat["blocks"] = ""; - - return $stat; - } - - /** - * Debug function for development purposes - */ - private function debug($message, $level = OC_Log::DEBUG) - { - if ($this->debug) { - OC_Log::write('files_versioning', $message, $level); - } - } - - /** - * Parses a URL of the form: - * `versioned://path/to/git/repository/.git/path/to/file#SHA-1-commit-id` - * FIXME: Will throw an InvalidArgumentException if $path is invaid - * - * @param string $path The path to parse - * - * @return array An array containing an instance of Granite\Git\Repository, - * the file path, and an instance of Granite\Git\Commit - * @throws InvalidArgumentException If the repository cannot be loaded - */ - private function parse_url($path) - { - preg_match('/\/([A-Za-z0-9\/]+\.git\/)([A-Za-z0-9\/\.\/]*)(#([A-Fa-f0-9]+))*/', $path, $matches); - - // Load up the repo - $repo = new \Granite\Git\Repository($matches[1]); - // Parse the filename (stripping any trailing slashes) - $repo_file = $matches[2]; - if (substr($repo_file, -1) == '/') { - $repo_file = substr($repo_file, 0, -1); - } - - // Default to HEAD if no commit is provided - $repo_commit = isset($matches[4]) - ? $matches[4] - : $repo->head()->sha(); - - // Load the relevant commit - $commit = $repo->factory('commit', $repo_commit); - - return array($repo, $repo_file, $commit); - } - - /** - * Recursively searches a tree for a path, returning FALSE if is not found - * or an SHA-1 id if it is found. - * - * @param string $repo The repository containing the tree object - * @param string $tree The tree object to search - * @param string $path The path to search for (relative to the tree) - * @param int $depth The depth of the current search (for recursion) - * - * @return string|boolean The SHA-1 id of the sub-tree - */ - private function tree_search($repo, $tree, $path, $depth = 0) - { - $paths = array_values(explode(DIRECTORY_SEPARATOR, $path)); - - $current_path = $paths[$depth]; - - $nodes = $tree->nodes(); - foreach ($nodes as $node) { - if ($node->name() == $current_path) { - - if (count($paths)-1 == $depth) { - // Stop, found it - return $node->sha(); - } - - // Recurse if necessary - if ($node->isDirectory()) { - $tree = $this->repo->factory('tree', $node->sha()); - return $this->tree_search($repo, $tree, $path, $depth + 1); - } - } - } - - return false; - } - -} -- 2.39.5