Merge pull request #139 from fabrixxm/update

Experiment with on-line update

1 files changed, 261 insertions, 0 deletions

diff --git a/include/remoteupdate.php b/include/remoteupdate.php
new file mode 100644
index 000000000..aa30da06f
--- /dev/null
+++ b/include/remoteupdate.php
@@ -0,0 +1,261 @@
+<?php
+/* update friendika */
+define('APIBASE', 'http://github.com/api/v2/');
+define('F9KREPO', 'friendika/friendika');
+
+$up_totalfiles = 0;
+$up_countfiles = 0;
+$up_lastp = -1;
+
+function checkUpdate(){
+	$r = fetch_url( APIBASE."json/repos/show/".F9KREPO."/tags" );
+	$tags = json_decode($r);
+	
+	$tag = 0.0;
+	foreach ($tags->tags as $i=>$v){
+		$i = (float)$i;
+		if ($i>$tag) $tag=$i;
+	}
+	
+	if ($tag==0.0) return false;
+	$f = fetch_url("https://raw.github.com/".F9KREPO."/".$tag."/boot.php","r");
+	preg_match("|'FRIENDIKA_VERSION', *'([^']*)'|", $f, $m);
+	$version =  $m[1];
+	
+	$lv = explode(".", FRIENDIKA_VERSION);
+	$rv = explode(".",$version);
+	foreach($lv as $i=>$v){
+		if ((int)$lv[$i] < (int)$rv[$i]) {
+			return array($tag, $version, "https://github.com/friendika/friendika/zipball/".$tag);
+			break;
+		}
+	}
+	return false;
+}
+function canWeWrite(){
+	$bd = dirname(dirname(__file__));
+	return is_writable( $bd."/boot.php" );
+}
+
+function out($txt){ echo "§".$txt."§"; ob_end_flush(); flush();}
+
+function up_count($path){
+ 
+    $file_count = 0;
+ 
+    $dir_handle = opendir($path);
+ 
+    if (!$dir_handle) return -1;
+ 
+    while ($file = readdir($dir_handle)) {
+ 
+        if ($file == '.' || $file == '..') continue;
+		$file_count++;
+        
+        if (is_dir($path . $file)){      
+            $file_count += up_count($path . $file . DIRECTORY_SEPARATOR);
+        }
+        
+    }
+ 
+    closedir($dir_handle);
+ 
+    return $file_count;
+}
+
+
+
+function up_unzip($file, $folder="/tmp"){
+	$folder.="/";
+	$zip = zip_open($file);
+	if ($zip) {
+	  while ($zip_entry = zip_read($zip)) {
+		$zip_entry_name = zip_entry_name($zip_entry);
+		if (substr($zip_entry_name,strlen($zip_entry_name)-1,1)=="/"){
+			mkdir($folder.$zip_entry_name,0777, true);
+		} else {
+			$fp = fopen($folder.$zip_entry_name, "w");
+			if (zip_entry_open($zip, $zip_entry, "r")) {
+			  $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));
+			  fwrite($fp,"$buf");
+			  zip_entry_close($zip_entry);
+			  fclose($fp);
+			}
+		}
+	  }
+	  zip_close($zip);
+	}	
+}
+
+/**
+ * Walk recoursively in a folder and call a callback function on every
+ * dir entry.
+ * args:
+ * 	$dir		string		base dir to walk
+ * 	$callback	function	callback function
+ *  $sort		int			0: ascending, 1: descending
+ * 	$cb_argv	any			extra value passed to callback
+ * 
+ * callback signature:
+ * function name($fn, $dir [, $argv])
+ * 	$fn		string		full dir entry name
+ * 	$dir	string		start dir path
+ *  $argv	any			user value to callback
+ * 
+ */
+function up_walktree($dir, $callback=Null, $sort=0, $cb_argv=Null ,  $startdir=Null){
+	if (is_null($callback)) return;
+	if (is_null($startdir)) $startdir = $dir;
+	$res = scandir($dir, $sort);
+	foreach($res as $i=>$v){
+		if ($v!="." && $v!=".."){
+			$fn = $dir."/".$v;
+			if ($sort==0) $callback($fn, $startdir, $cb_argv);	
+			if (is_dir($fn)) up_walktree($fn, $callback, $sort, $cb_argv, $startdir);
+			if ($sort==1) $callback($fn, $startdir, $cb_argv);	
+		}
+	}
+	
+}
+
+function up_copy($fn, $dir){
+	global $up_countfiles, $up_totalfiles, $up_lastp;
+	$up_countfiles++; $prc=(int)(((float)$up_countfiles/(float)$up_totalfiles)*100);
+	
+	if (strpos($fn, ".gitignore")>-1 || strpos($fn, ".htaccess")>-1) return;  
+	$ddest = dirname(dirname(__file__));
+	$fd = str_replace($dir, $ddest, $fn);
+	
+	if (is_dir($fn) && !is_dir($fd)) {
+		$re=mkdir($fd,0777,true);
+	}
+	if (!is_dir($fn)){
+		$re=copy($fn, $fd);
+	}
+	
+	if ($re===false) { 
+		out("ERROR. Abort."); 
+		killme();
+	}
+	out("copy@Copy@$prc%");
+}
+
+function up_ftp($fn, $dir, $argv){
+	global $up_countfiles, $up_totalfiles, $up_lastp;
+	$up_countfiles++; $prc=(int)(((float)$up_countfiles/(float)$up_totalfiles)*100);
+
+	if (strpos($fn, ".gitignore")>-1 || strpos($fn, ".htaccess")>-1) return;
+	
+	list($ddest, $conn_id) = $argv;
+	$l = strlen($ddest)-1;
+	if (substr($ddest,$l,1)=="/") $ddest = substr($ddest,0,$l);
+	$fd = str_replace($dir, $ddest, $fn);
+	
+	if (is_dir($fn)){
+		if (ftp_nlist($conn_id, $fd)===false) { 
+			$ret = ftp_mkdir($conn_id, $fd);
+		} else {
+			$ret=true;
+		}
+	} else {
+		$ret = ftp_put($conn_id, $fd, $fn, FTP_BINARY); 
+	}
+	if (!$ret) { 
+		out("ERROR. Abort."); 
+		killme();
+	} 
+	out("copy@Copy@$prc%");
+}
+
+function up_rm($fn, $dir){
+	if (is_dir($fn)){
+		rmdir($fn);
+	} else {
+		unlink($fn);
+	}
+}
+
+function up_dlfile($url, $file) {
+	$in = fopen ($url, "r");
+	$out = fopen ($file, "w");
+	
+	$fs = filesize($url);
+	
+
+	if (!$in || !$out) return false;
+	
+	$s=0; $count=0;
+	while (!feof ($in)) {
+		$line = fgets ($in, 1024);
+		fwrite( $out, $line);
+		
+		$count++; $s += strlen($line);
+		if ($count==50){
+			$count=0;
+			$sp=$s/1024.0; $ex="Kb";
+			if ($sp>1024) { $sp=$sp/1024; $ex="Mb"; }
+			if ($sp>1024) { $sp=$sp/1024; $ex="Gb"; }
+			$sp = ((int)($sp*100))/100;
+			out("dwl@Download@".$sp.$ex);
+		}
+	}
+	fclose($in);
+	return true;
+}
+
+function doUpdate($remotefile, $ftpdata=false){
+	global $up_totalfiles;
+	
+	
+	$localtmpfile = tempnam("/tmp", "fk");
+	out("dwl@Download@starting...");
+	$rt= up_dlfile($remotefile, $localtmpfile);
+	if ($rt==false || filesize($localtmpfile)==0){
+		out("dwl@Download@ERROR.");
+		unlink($localtmpfile);
+		return;
+	}
+	out("dwl@Download@Ok.");
+	
+	out("unzip@Unzip@");
+	$tmpdirname = $localfile."ex";
+	mkdir($tmpdirname);
+	up_unzip($localtmpfile, $tmpdirname);
+	$basedir = glob($tmpdirname."/*"); $basedir=$basedir[0];
+	out ("unzip@Unzip@Ok.");
+	
+	$up_totalfiles = up_count($basedir."/");
+	
+	if (canWeWrite()){
+		out("copy@Copy@");
+		up_walktree($basedir, 'up_copy');
+	}
+	if ($ftpdata!==false && is_array($ftpdata) && $ftpdata['ftphost']!="" ){
+		out("ftpcon@Connect to FTP@");
+		$conn_id = ftp_connect($ftpdata['ftphost']);
+		$login_result = ftp_login($conn_id, $ftpdata['ftpuser'], $ftpdata['ftppwd']);
+		
+		if ((!$conn_id) || (!$login_result)) { 
+			out("ftpcon@Connect to FTP@FAILED");
+			up_clean($tmpdirname, $localtmpfile); 
+			return;
+		} else {
+			out("ftpcon@Connect to FTP@Ok.");
+		}
+		out("copy@Copy@");
+		up_walktree($basedir, 'up_ftp', 0, array( $ftpdata['ftppath'], $conn_id));
+ 
+		ftp_close($conn_id);
+	}
+
+	up_clean($tmpdirname, $localtmpfile); 
+	
+}
+
+function up_clean($tmpdirname, $localtmpfile){
+	out("clean@Clean up@");
+	unlink($localtmpfile);
+	up_walktree($tmpdirname, 'up_rm', 1);
+	rmdir($tmpdirname);
+	out("clean@Clean up@Ok.");
+}