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https://github.com/EGroupware/egroupware.git
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* CalDAV/CardDAV: continous display (like tail -f) of logs inside EGroupware
This commit is contained in:
Ralf Becker
parent
9d704a7c0d
commit
9dd3b99353
@ -50,6 +50,15 @@ class egw_tail
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*/
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protected $filename;
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/**
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* Methods allowed to call via menuaction
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*
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* @var array
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*/
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public $public_functions = array(
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'download' => true,
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);
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/**
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* Constructor
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*
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@ -63,7 +72,7 @@ class egw_tail
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{
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$this->filename = $filename;
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if (!in_array($filename,$this->filenames)) $this->filenames[] = $filename;
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if (!$this->filenames || !in_array($filename,$this->filenames)) $this->filenames[] = $filename;
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}
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}
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@ -72,6 +81,7 @@ class egw_tail
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*
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* @param string $filename
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* @param int $start=0 last position in log-file
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* @throws egw_exception_wrong_parameter
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*/
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public function ajax_chunk($filename,$start=0)
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{
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@ -81,37 +91,87 @@ class egw_tail
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}
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if ($filename[0] != '/') $filename = $GLOBALS['egw_info']['server']['files_dir'].'/'.$filename;
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if (!$start || $start < 0)
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if (file_exists($filename))
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{
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$start = filesize($filename) - 4*self::MAX_CHUNK_SIZE;
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if ($start < 0) $start = 0;
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$size = filesize($filename);
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if (!$start || $start < 0 || $start > $size || $size-$start > 4*self::MAX_CHUNK_SIZE)
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{
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$start = $size - 4*self::MAX_CHUNK_SIZE;
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if ($start < 0) $start = 0;
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}
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$size = egw_vfs::hsize($size);
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$content = file_get_contents($filename, false, null, $start, self::MAX_CHUNK_SIZE);
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$length = bytes($content);
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$writable = is_writable($filename) || is_writable(dirname($filename));
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}
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else
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{
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$start = $length = 0;
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$content = '';
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$writable = $size = false;
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}
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$content = file_get_contents($filename, false, null, $start, self::MAX_CHUNK_SIZE);
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$length = bytes($content);
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$response = egw_json_response::get();
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$response->data(array( // send all responses as data
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'size' => $size,
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'writable' => $writable,
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'next' => $start + $length,
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'length' => $length,
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'content' => $content,
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));
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}
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/**
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* Ajax callback to delete log-file
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*
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* @param string $filename
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* @param boolean $truncate=false true: truncate file, false: delete file
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* @throws egw_exception_wrong_parameter
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*/
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public function ajax_delete($filename,$truncate=false)
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{
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if (!in_array($filename,$this->filenames))
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{
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throw new egw_exception_wrong_parameter("Not allowed to view '$filename'!");
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}
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if ($filename[0] != '/') $filename = $GLOBALS['egw_info']['server']['files_dir'].'/'.$filename;
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if ($truncate)
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{
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file_put_contents($filename, '');
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}
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else
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{
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unlink($filename);
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}
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}
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/**
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* Return html & javascript for logviewer
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*
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* @param string $header=null default $this->filename
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* @param string $id='log'
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* @return string
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* @throws egw_exception_wrong_parameter
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*/
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public function show($id='log')
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public function show($header=null, $id='log')
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{
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if (!isset($this->filename))
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{
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throw new egw_exception_wrong_parameter("Must be instanciated with filename!");
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}
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if (is_null($header)) $header = $this->filename;
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return '
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<script type="text/javascript">
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var '.$id.'_tail_start = 0;
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function button_'.$id.'(button)
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{
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if (button.id != "clear_'.$id.'")
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{
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var ajax = new egw_json_request("home.egw_tail.ajax_delete",["'.$this->filename.'",button.id=="empty_'.$id.'"]);
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ajax.sendRequest(true);
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}
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$j("#'.$id.'").text("");
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}
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function refresh_'.$id.'()
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{
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var ajax = new egw_json_request("home.egw_tail.ajax_chunk",["'.$this->filename.'",'.$id.'_tail_start]);
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@ -121,31 +181,84 @@ function refresh_'.$id.'()
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var log = $j("#'.$id.'").append(_data.content.replace(/</g,"<"));
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log.animate({ scrollTop: log.attr("scrollHeight") - log.height() + 20 }, 500);
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}
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if (_data.size === false)
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{
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$j("#download_'.$id.'").hide();
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}
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else
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{
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$j("#download_'.$id.'").show().attr("title","'.lang('Size').': "+_data.size);
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}
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if (_data.writable === false)
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{
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$j("#delete_'.$id.'").hide();
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$j("#empty_'.$id.'").hide();
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}
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else
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{
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$j("#delete_'.$id.'").show();
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$j("#empty_'.$id.'").show();
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}
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window.setTimeout(refresh_'.$id.',_data.length?200:2000);
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});
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}
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function resize_'.$id.'()
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{
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$j("#'.$id.'").width(egw_getWindowInnerWidth()-20).height(egw_getWindowInnerHeight()-33);
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}
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$j(document).ready(function()
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{
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var log = $j("#'.$id.'");
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log.width(log.width());
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resize_'.$id.'();
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refresh_'.$id.'();
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});
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$j(window).resize(resize_'.$id.');
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</script>
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<pre class="tail" id="'.$id.'" style="width: 100%; border: 2px groove silver; height: 480px; overflow: auto;"></pre>';
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<p style="float: left; margin: 5px"><b>'.htmlspecialchars($header).'</b></p>
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<div style="float: right; margin: 2px; margin-right: 5px">
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'.html::form(
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html::input('clear_'.$id,lang('Clear window'),'button','id="clear_'.$id.'" onClick="button_'.$id.'(this)"')."\n".
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html::input('delete_'.$id,lang('Delete file'),'button','id="delete_'.$id.'" onClick="button_'.$id.'(this)"')."\n".
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html::input('empty_'.$id,lang('Empty file'),'button','id="empty_'.$id.'" onClick="button_'.$id.'(this)"')."\n".
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html::input('download_'.$id,lang('Download'),'submit','id="download_'.$id.'"'),
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'','/index.php',array(
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'menuaction' => 'phpgwapi.egw_tail.download',
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'filename' => $this->filename,
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)).'
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</div>
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<pre class="tail" id="'.$id.'" style="clear: both; width: 99.5%; border: 2px groove silver; margin-bottom: 0; overflow: auto;"></pre>';
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}
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/**
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* Download a file specified per GET parameter (must be in $this->filesnames!)
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*
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* @throws egw_exception_wrong_parameter
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*/
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public function download()
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{
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$filename = $_GET['filename'];
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if (!in_array($filename,$this->filenames))
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{
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throw new egw_exception_wrong_parameter("Not allowed to download '$filename'!");
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}
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html::content_header(basename($filename),'text/plain');
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if ($filename[0] != '/') $filename = $GLOBALS['egw_info']['server']['files_dir'].'/'.$filename;
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while(ob_get_level()) ob_end_clean(); // stop all output buffering, to NOT run into memory_limit
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readfile($filename);
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common::egw_exit();
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}
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}
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// some testcode, if this file is called via it's URL
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if (isset($_SERVER['SCRIPT_FILENAME']) && $_SERVER['SCRIPT_FILENAME'] == __FILE__)
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// some testcode, if this file is called via it's URL (you need to uncomment and adapt filename!)
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/*if (isset($_SERVER['SCRIPT_FILENAME']) && $_SERVER['SCRIPT_FILENAME'] == __FILE__)
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{
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$GLOBALS['egw_info'] = array(
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'flags' => array(
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'currentapp' => 'admin',
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'nonavbar' => true,
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),
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);
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include_once '../../header.inc.php';
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$error_log = new egw_tail($file='/opt/local/apache2/logs/error_log');
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echo "<h3>$file</h3>\n";
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$error_log = new egw_tail('/opt/local/apache2/logs/error_log');
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echo $error_log->show();
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}
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}*/
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@ -16,6 +16,10 @@
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*/
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class groupdav_hooks
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{
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public $public_functions = array(
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'log' => true,
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);
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/**
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* Show GroupDAV preferences link in preferences
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*
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@ -69,23 +73,88 @@ class groupdav_hooks
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}
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}
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$settings[] = array(
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'type' => 'section',
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'title' => 'Debuging',
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);
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$settings['debug_level'] = array(
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'type' => 'select',
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'label' => 'Debug level for Apache/PHP error-log',
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'name' => 'debug_level',
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'help' => 'Enables debug-messages to Apache/PHP error-log, allowing to diagnose problems on a per user basis.',
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'values' => array(
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'0' => 'Off',
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'r' => 'Requests and truncated responses',
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'f' => 'Requests and full responses to files directory',
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'1' => 'Debug 1 - function calls',
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'2' => 'Debug 2 - more info',
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'3' => 'Debug 3 - complete $_SERVER array',
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'0' => lang('Off'),
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'r' => lang('Requests and truncated responses'),
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'f' => lang('Requests and full responses to files directory'),
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),
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'xmlrpc' => true,
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'admin' => false,
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'default' => '0',
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);
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if ($GLOBALS['type'] === 'forced' || $GLOBALS['type'] === 'user' &&
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$GLOBALS['egw_info']['user']['preferences']['groupdav']['debug-log'] !== 'never')
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{
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if ($GLOBALS['type'] === 'user')
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{
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$logs = array();
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if (($files = scandir($log_dir=$GLOBALS['egw_info']['server']['files_dir'].'/groupdav')))
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{
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$account_lid_len = strlen($GLOBALS['egw_info']['user']['account_lid']);
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foreach($files as $log)
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{
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if (substr($log,0,$account_lid_len+1) == $GLOBALS['egw_info']['user']['account_lid'].'-' &&
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substr($log,-4) == '.log')
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{
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$logs['groupdav/'.$log] = egw_time::to(filemtime($log_dir.'/'.$log)).': '.
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str_replace('!','/',substr($log,$account_lid_len+1,-4));
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}
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}
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}
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$link = egw::link('/index.php',array(
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'menuaction' => 'groupdav.groupdav_hooks.log',
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'filename' => '',
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));
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$onchange = "egw_openWindowCentered('$link'+encodeURIComponent(this.value), '_blank', 1000, 500); this.value=''";
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}
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else // allow to force users to NOT be able to delete their profiles
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{
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$logs = array('never' => lang('Never'));
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}
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$settings['show-log'] = array(
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'type' => 'select',
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'label' => 'Show log of following device',
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'name' => 'show-log',
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'help' => lang('You need to set above debug-level to "%1" to create/update a log.',
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lang('Requests and full responses to files directory')),
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'values' => $logs,
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'xmlrpc' => True,
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'admin' => False,
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'onchange' => $onchange,
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);
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}
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return $settings;
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}
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/**
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* Open log window for log-file specified in GET parameter filename (relative to files_dir)
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*
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* $_GET['filename'] has to be in groupdav sub-dir of files_dir and start with account_lid of current user
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*
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* @throws egw_exception_wrong_parameter
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*/
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public function log()
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{
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$filename = $_GET['filename'];
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if (!preg_match('|^groupdav/'.preg_quote($GLOBALS['egw_info']['user']['account_lid'],'|').'-[^/]+\.log$|',$filename))
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{
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throw new egw_exception_wrong_parameter("Access denied to file '$filename'!");
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}
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$GLOBALS['egw_info']['flags']['css'] = '
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body { background-color: #e0e0e0; }
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pre.tail { background-color: white; padding-left: 5px; margin-left: 5px; }
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';
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$header = str_replace('!','/',substr($filename,10+strlen($GLOBALS['egw_info']['user']['account_lid']),-4));
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$tail = new egw_tail($filename);
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$GLOBALS['egw']->framework->render($tail->show($header),false,false);
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}
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}
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@ -267,7 +267,8 @@ class uisettings
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$valarray['help'],
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$valarray['default'],
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$valarray['run_lang'],
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$valarray['type'] == 'multiselect'
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$valarray['type'] == 'multiselect',
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$valarray['onchange']
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);
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break;
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case 'check':
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@ -518,7 +519,7 @@ class uisettings
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$this->t->fp('rows','section_row',True);
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}
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function create_select_box($label,$name,$values,$help='',$default='',$run_lang=True,$multiple=false)
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function create_select_box($label,$name,$values,$help='',$default='',$run_lang=True,$multiple=false,$onchange=null)
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{
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$_appname = $this->check_app();
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if($this->is_forced_value($_appname,$name))
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@ -548,7 +549,8 @@ class uisettings
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}
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if (is_array($extra)) $values = $extra + (is_array($values)?$values:array($values));
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$select = html::select($GLOBALS['type'].'['.$name.']',$default,$values,true);
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$select = html::select($GLOBALS['type'].'['.$name.']',$default,$values,true,
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$onchange?'onchange="'.str_replace('"','\\"',htmlspecialchars($onchange)).'"':'');
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}
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else
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{
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