X-Git-Url: http://git.pjr.cc/?p=gwvp.git;a=blobdiff_plain;f=archive%2Fgwvpgitbackend_poccode.php;fp=archive%2Fgwvpgitbackend_poccode.php;h=9ad85aef3f8fd463a19341200446b5df778894ee;hp=0000000000000000000000000000000000000000;hb=942b821d861aba1da43ef6c999141853e9f8b3a8;hpb=e9c10b0bc2d09d21b4ff0e630a140ddc58a7dccb

diff --git a/archive/gwvpgitbackend_poccode.php b/archive/gwvpgitbackend_poccode.php
new file mode 100644
index 0000000..9ad85ae
--- /dev/null
+++ b/archive/gwvpgitbackend_poccode.php
@@ -0,0 +1,217 @@
+<?php
+
+
+function goWebGitBackEnd()
+{
+	if(!isset($_SERVER["PHP_AUTH_USER"])) {
+		header('WWW-Authenticate: Basic realm="My Realm"');
+		header('HTTP/1.0 401 Unauthorized');
+		exit(0);
+	} else {
+		
+		// well, i cant believe it, but this actually freaking works... for pulls/clones anyways... commits are not working...
+		// but wow thats better then what i had hoped for
+		// first thing to do
+		$fh   = fopen('php://input', "r");
+		
+		$k1 = print_r($_REQUEST, true);
+		$k2 = print_r($_SERVER, true);
+		$k3 = print_r($_POST, true);
+		$k4 = print_r($_GET, true);
+		error_log("k1: $k1");
+		error_log("k2: $k2");
+		error_log("k3: $k3");
+		error_log("k4: $k4");
+		error_log($_SERVER["REQUEST_URI"]);
+		
+		$ruri = $_SERVER["REQUEST_URI"];
+		$euri = str_replace("test.git", "", $_REQUEST["q"]);
+		
+		$rmeth = $_SERVER["REQUEST_METHOD"];
+		
+		$qs = "";
+		foreach($_REQUEST as $key => $var) {
+			if($key != "q") {
+				//error_log("adding, $var from $key");
+				if($qs == "") $qs.="$key=$var";
+				else $qs.="&$key=$var";
+			}
+		}
+		
+		//sleep(2);
+		
+		
+		
+		// this is where the fun, it ends.
+		$myoutput = "";
+		unset($myoutput);
+		
+		// this be nasty!
+		
+		// setup env
+		if(isset($procenv))	unset($procenv);
+		$procenv["GATEWAY_INTERFACE"] = "CGI/1.1";
+		$procenv["PATH_TRANSLATED"] = "/var/cache/git/test.git$euri";
+		$procenv["REQUEST_METHOD"] = "$rmeth";
+		$procenv["GIT_HTTP_EXPORT_ALL"] = "1";
+		$procenv["QUERY_STRING"] = "$qs";
+		$procenv["HTTP_USER_AGENT"] = "git/1.7.1";
+		$procenv["REMOTE_USER"] = "user";
+		$procenv["REMOTE_ADDR"] = "1.2.3.4";
+		$procenv["AUTH_TYPE"] = "Basic";
+		
+		if(isset($_SERVER["CONTENT_TYPE"])) { 
+			$procenv["CONTENT_TYPE"] = $_SERVER["CONTENT_TYPE"];
+		} else {
+			//$procenv["CONTENT_TYPE"] = "";
+		}
+		if(isset($_SERVER["CONTENT_LENGTH"])) { 
+			$procenv["CONTENT_LENGTH"] = $_SERVER["CONTENT_LENGTH"];
+		}
+		
+		
+
+		$pwd = "/var/cache/git";
+		
+		//error_log("openproc");
+		$proc = proc_open("/usr/lib/git-core/git-http-backend", array(array("pipe","rb"),array("pipe","wb"),array("file","/tmp/err", "a")), $pipes, $pwd, $procenv);
+		//$proc = proc_open("/home/paulr/src/eclipse-workspace/gwvp/datacatch/../datacatcher.sh", array(array("pipe","r"),array("pipe","w"),array("file","/tmp/err", "a")), $pipes, $pwd, $procenv);
+		//error_log("openproc2, $proc");
+		
+		//error_log("openproc3");
+		
+		//if($rmeth == "POST") {
+		//}
+		
+		
+		//error_log("openproc4");
+		
+		$untilblank = false;
+		while(!$untilblank&&!feof($pipes[1])) {
+			$lines_t = fgets($pipes[1]);
+			$lines = trim($lines_t);
+			error_log("got line: $lines");
+			if($lines_t == "\r\n") {
+				$untilblank = true;
+				error_log("now blank");
+			} else header($lines);
+			if($lines === false) {
+				error_log("got an unexpexted exit...");
+				exit(0);
+			}
+			
+		}
+		
+		//error_log("openproc5");
+		// if would seam that post and output must be synchronised together somehow... i think
+		/*
+		$fh   = fopen('php://input', 'rb');
+			if ($fh) {
+  				while (!feof($fh)) {
+    				$s = fread($fh, 1024);
+    				if($s === false) {
+    					error_log("unexpected eror on input read");
+    				}
+    				fwrite($pipes[0], $s);
+  				}
+  				fclose($fh);
+			}
+		
+		// now the body
+		$fl = fopen("/tmp/pushpipe", "ab");
+		while(!feof($pipes[1])) {
+			$d =  fread($pipes[1], 1024);
+			error_log("got read, $d");
+			if($d === false) {
+				errog_log("got unexpected false on reads");
+			} else {
+				echo $d;
+				fwrite($fl, $d);
+			}
+		}*/
+		
+		// oh god, something goes wrong with all this data and i dont know what it is
+		// but i think its cause proc_open doesnt deal with binary data properly
+		$firstline = true;
+		$continue = true;
+		//$fl = fopen("/tmp/pushpipe", "w");
+		
+		if(!stream_set_blocking($fh,0)) {
+			error_log("cant set input non-blocking");
+		}
+		// problem no 1 - dont do this
+		//if(!stream_set_blocking($pipes[0],0)) {
+			//error_log("cant set pipe 0 non-blocking");
+		//}
+		if(!stream_set_blocking($pipes[1],0)) {
+			error_log("cant set pipe1 non-blocking");
+		}
+		
+		// i was going to use stream_select, but i feel this works better like this
+		while($continue) {
+			// do client
+			if(!feof($fh)) {
+				$from_client_data = fread($fh,8192);
+				if($from_client_data !== false) fwrite($pipes[0], $from_client_data);
+				fflush($pipes[0]);
+				//fwrite($fl, $from_client_data);
+				$client_len = strlen($from_client_data);
+			} else {
+				error_log("client end");
+				$client_len = 0;
+			}
+			
+			// do cgi
+			// sometimes, we get a \r\n from the cgi, i do not know why she swallowed the fly,
+			// but i do know that the fgets for the headers above should have comsued that
+			if(!feof($pipes[1])) {
+				$from_cgi_data_t = fread($pipes[1],8192);
+				$from_cgi_data = $from_cgi_data_t;
+				
+				// i dont know if this will solve it... it coudl cause some serious issues elsewhere
+				// TODO: this is a hack, i need to know why the fgets above doesn consume the \r\n even tho it reads it
+				// i.e. why the pointer doesnt increment over it, cause the freads above then get them again.
+				if($firstline) {
+					if(strlen($from_cgi_data_t)>0) {
+						$from_cgi_data = preg_replace("/^\r\n/", "", $from_cgi_data_t);
+						$firstline = false;
+					}
+				}
+				
+				if($from_cgi_data !== false) {
+					echo $from_cgi_data;
+					flush();
+				}
+				$cgi_len = strlen($from_cgi_data);
+			} else {
+				error_log("cgi end");
+				$cgi_len = 0;
+			}
+			
+			if(feof($pipes[1])) $continue = false;
+			else {
+				if($client_len == 0 && $cgi_len == 0) {
+					usleep(200000);
+					error_log("sleep tick");
+				} else {
+					error_log("sizes: $client_len, $cgi_len");
+					if($cgi_len > 0) {
+						error_log("from cgi: \"$from_cgi_data\"");
+					}
+				}
+			}
+			
+		}
+		
+		
+		//fclose($fl);
+		fclose($fh);
+		fclose($pipes[1]);
+		fclose($pipes[0]);
+		
+		//error_log("openproc6");
+		
+	}
+}
+
+?>
\ No newline at end of file