publiclink plugin
Allows sharing files by creating a public link, no gui yet.
This commit is contained in:
Robin Appelman
parent
8465f76e7e
commit
9dd0d90f69
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<?xml version="1.0" encoding="ISO-8859-1" ?>
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<database>
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<name>*dbname*</name>
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<create>true</create>
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<overwrite>false</overwrite>
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<charset>latin1</charset>
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<table>
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<name>*dbprefix*publiclink</name>
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<declaration>
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<field>
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<name>token</name>
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<type>text</type>
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<default></default>
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<notnull>true</notnull>
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<length>40</length>
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</field>
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<field>
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<name>path</name>
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<type>text</type>
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<default></default>
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<notnull>true</notnull>
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<length>128</length>
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</field>
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<field>
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<name>user</name>
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<type>text</type>
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<default>
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</default>
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<notnull>true</notnull>
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<length>64</length>
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</field>
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<field>
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<name>expire_time</name>
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<type>timestamp</type>
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<notnull>true</notnull>
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</field>
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<index>
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<name>token</name>
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<unique>true</unique>
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<field>
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<name>token</name>
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<sorting>ascending</sorting>
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</field>
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</index>
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</declaration>
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</table>
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</database>
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<?php
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$RUNTIME_NOAPPS=true; //no need to load the apps
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require_once '../../lib/base.php';
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require_once 'lib_public.php';
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$token=$_GET['token'];
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OC_PublicLink::downloadFile($token);
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?>
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<?php
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class OC_PublicLink{
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/**
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* create a new public link
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* @param string path
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* @param int (optional) expiretime time the link expires, as timestamp
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*/
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public function __construct($path,$expiretime=0){
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if($path && OC_FILESYSTEM::file_exists($path)){
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$token=sha1("$path-$expiretime");
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$user=$_SESSION['user_id'];
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$query=OC_DB::prepare("INSERT INTO *PREFIX*publiclink VALUES(?,?,?,?)");
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$result=$query->execute(array($token,$path,$user,$expiretime));
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if( PEAR::isError($result)) {
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$entry = 'DB Error: "'.$result->getMessage().'"<br />';
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$entry .= 'Offending command was: '.$result->getDebugInfo().'<br />';
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error_log( $entry );
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die( $entry );
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}
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$this->token=$token;
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}
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}
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/**
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* download a file shared by a public link
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* @param string token
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*/
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public static function downloadFile($token){
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//remove expired links
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$query=OC_DB::prepare("DELETE FROM *PREFIX*publiclink WHERE expire_time < NOW() AND expire_time!=0");
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$query->execute();
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//get the path and the user
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$query=OC_DB::prepare("SELECT user,path FROM *PREFIX*publiclink WHERE token=?");
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$result=$query->execute(array($token));
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$data=$result->fetchAll();
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if(count($data)>0){
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$path=$data[0]['path'];
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$user=$data[0]['user'];
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//login
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$_SESSION['user_id']=$user;
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//prepare the filesystem
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OC_UTIL::setupFS();
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//get time mimetype and set the headers
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$mimetype=OC_FILESYSTEM::getMimeType($path);
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// header('Content-Disposition: attachment; filename="'.basename($path).'"');
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header('Content-Transfer-Encoding: binary');
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header('Expires: 0');
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
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header('Pragma: public');
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header('Content-Type: ' . $mimetype);
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header('Content-Length: ' . OC_FILESYSTEM::filesize($path));
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//download the file
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ob_clean();
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OC_FILESYSTEM::readfile($path);
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}else{
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header("HTTP/1.0 404 Not Found");
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echo '404 Not Found';
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die();
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}
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}
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/**
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* get the token for the public link
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* @return string
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*/
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public function getToken(){
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return $this->token;
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}
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private $token;
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}
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?>
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@ -0,0 +1,13 @@
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<?php
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$RUNTIME_NOAPPS=true; //no need to load the apps
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require_once '../../lib/base.php';
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require_once 'lib_public.php';
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$path=$_GET['path'];
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$expire=(isset($_GET['expire']))?$_GET['expire']:0;
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$link=new OC_PublicLink($path,$expire);
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echo $link->getToken();
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?>
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@ -0,0 +1,17 @@
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<?xml version="1.0"?>
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<plugin version="1.0">
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<info>
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<id>publiclink</id>
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<name>Simple file sharing by creating a public link to a file</name>
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<version>0.1</version>
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<licence>AGPL</licence>
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<author>Robin Appelman</author>
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<require>1.1</require>
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</info>
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<runtime>
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<include>lib_public.php</include>
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</runtime>
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<install>
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<database>db_structure.xml</database>
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</install>
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</plugin>
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